Annotation of loncom/homework/grades.pm, revision 1.671

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.671   ! raeburn     4: # $Id: grades.pm,v 1.670 2012/01/02 22:09:25 raeburn Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       albertel   28: 
1.529     jms        29: 
                     30: 
1.1       albertel   31: package Apache::grades;
                     32: use strict;
                     33: use Apache::style;
                     34: use Apache::lonxml;
                     35: use Apache::lonnet;
1.3       albertel   36: use Apache::loncommon;
1.112     ng         37: use Apache::lonhtmlcommon;
1.68      ng         38: use Apache::lonnavmaps;
1.1       albertel   39: use Apache::lonhomework;
1.456     banghart   40: use Apache::lonpickcode;
1.55      matthew    41: use Apache::loncoursedata;
1.362     albertel   42: use Apache::lonmsg();
1.646     raeburn    43: use Apache::Constants qw(:common :http);
1.167     sakharuk   44: use Apache::lonlocal;
1.386     raeburn    45: use Apache::lonenc;
1.622     www        46: use Apache::lonstathelpers;
1.639     www        47: use Apache::lonquickgrades;
1.657     raeburn    48: use Apache::bridgetask();
1.170     albertel   49: use String::Similarity;
1.359     www        50: use LONCAPA;
                     51: 
1.315     bowersj2   52: use POSIX qw(floor);
1.87      www        53: 
1.435     foxr       54: 
1.513     foxr       55: 
1.435     foxr       56: my %perm=();
1.447     foxr       57: 
1.513     foxr       58: #  These variables are used to recover from ssi errors
                     59: 
                     60: my $ssi_retries = 5;
                     61: my $ssi_error;
                     62: my $ssi_error_resource;
                     63: my $ssi_error_message;
                     64: 
                     65: 
                     66: sub ssi_with_retries {
                     67:     my ($resource, $retries, %form) = @_;
                     68:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                     69:     if ($response->is_error) {
                     70: 	$ssi_error          = 1;
                     71: 	$ssi_error_resource = $resource;
                     72: 	$ssi_error_message  = $response->code . " " . $response->message;
                     73:     }
                     74: 
                     75:     return $content;
                     76: 
                     77: }
                     78: #
                     79: #  Prodcuces an ssi retry failure error message to the user:
                     80: #
                     81: 
                     82: sub ssi_print_error {
                     83:     my ($r) = @_;
1.516     raeburn    84:     my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
                     85:     $r->print('
                     86: <br />
                     87: <h2>'.&mt('An unrecoverable network error occurred:').'</h2>
                     88: <p>
                     89: '.&mt('Unable to retrieve a resource from a server:').'<br />
                     90: '.&mt('Resource:').' '.$ssi_error_resource.'<br />
                     91: '.&mt('Error:').' '.$ssi_error_message.'
                     92: </p>
                     93: <p>'.
                     94: &mt('It is recommended that you try again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.
                     95: &mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
                     96: '</p>');
                     97:     return;
1.513     foxr       98: }
                     99: 
1.44      ng        100: #
1.146     albertel  101: # --- Retrieve the parts from the metadata file.---
1.598     www       102: # Returns an array of everything that the resources stores away
                    103: #
                    104: 
1.44      ng        105: sub getpartlist {
1.582     raeburn   106:     my ($symb,$errorref) = @_;
1.439     albertel  107: 
                    108:     my $navmap   = Apache::lonnavmaps::navmap->new();
1.582     raeburn   109:     unless (ref($navmap)) {
                    110:         if (ref($errorref)) { 
                    111:             $$errorref = 'navmap';
                    112:             return;
                    113:         }
                    114:     }
1.439     albertel  115:     my $res      = $navmap->getBySymb($symb);
                    116:     my $partlist = $res->parts();
                    117:     my $url      = $res->src();
                    118:     my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                    119: 
1.146     albertel  120:     my @stores;
1.439     albertel  121:     foreach my $part (@{ $partlist }) {
1.146     albertel  122: 	foreach my $key (@metakeys) {
                    123: 	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
                    124: 	}
                    125:     }
                    126:     return @stores;
1.2       albertel  127: }
                    128: 
1.129     ng        129: #--- Format fullname, username:domain if different for display
                    130: #--- Use anywhere where the student names are listed
                    131: sub nameUserString {
                    132:     my ($type,$fullname,$uname,$udom) = @_;
                    133:     if ($type eq 'header') {
1.485     albertel  134: 	return '<b>&nbsp;'.&mt('Fullname').'&nbsp;</b><span class="LC_internal_info">('.&mt('Username').')</span>';
1.129     ng        135:     } else {
1.398     albertel  136: 	return '&nbsp;'.$fullname.'<span class="LC_internal_info">&nbsp;('.$uname.
                    137: 	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</span>';
1.129     ng        138:     }
                    139: }
                    140: 
1.44      ng        141: #--- Get the partlist and the response type for a given problem. ---
                    142: #--- Indicate if a response type is coded handgraded or not. ---
1.623     www       143: #--- Sets response_error pointer to "1" if navmaps object broken ---
1.39      ng        144: sub response_type {
1.582     raeburn   145:     my ($symb,$response_error) = @_;
1.377     albertel  146: 
                    147:     my $navmap = Apache::lonnavmaps::navmap->new();
1.582     raeburn   148:     unless (ref($navmap)) {
                    149:         if (ref($response_error)) {
                    150:             $$response_error = 1;
                    151:         }
                    152:         return;
                    153:     }
1.377     albertel  154:     my $res = $navmap->getBySymb($symb);
1.593     raeburn   155:     unless (ref($res)) {
                    156:         $$response_error = 1;
                    157:         return;
                    158:     }
1.377     albertel  159:     my $partlist = $res->parts();
1.392     albertel  160:     my %vPart = 
                    161: 	map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart'));
1.377     albertel  162:     my (%response_types,%handgrade);
                    163:     foreach my $part (@{ $partlist }) {
1.392     albertel  164: 	next if (%vPart && !exists($vPart{$part}));
                    165: 
1.377     albertel  166: 	my @types = $res->responseType($part);
                    167: 	my @ids = $res->responseIds($part);
                    168: 	for (my $i=0; $i < scalar(@ids); $i++) {
                    169: 	    $response_types{$part}{$ids[$i]} = $types[$i];
                    170: 	    $handgrade{$part.'_'.$ids[$i]} = 
                    171: 		&Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i].
                    172: 				     '.handgrade',$symb);
1.41      ng        173: 	}
                    174:     }
1.377     albertel  175:     return ($partlist,\%handgrade,\%response_types);
1.39      ng        176: }
                    177: 
1.375     albertel  178: sub flatten_responseType {
                    179:     my ($responseType) = @_;
                    180:     my @part_response_id =
                    181: 	map { 
                    182: 	    my $part = $_;
                    183: 	    map {
                    184: 		[$part,$_]
                    185: 		} sort(keys(%{ $responseType->{$part} }));
                    186: 	} sort(keys(%$responseType));
                    187:     return @part_response_id;
                    188: }
                    189: 
1.207     albertel  190: sub get_display_part {
1.324     albertel  191:     my ($partID,$symb)=@_;
1.207     albertel  192:     my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
                    193:     if (defined($display) and $display ne '') {
1.577     bisitz    194:         $display.= ' (<span class="LC_internal_info">'
                    195:                   .&mt('Part ID: [_1]',$partID).'</span>)';
1.207     albertel  196:     } else {
                    197: 	$display=$partID;
                    198:     }
                    199:     return $display;
                    200: }
1.269     raeburn   201: 
1.434     albertel  202: sub reset_caches {
                    203:     &reset_analyze_cache();
                    204:     &reset_perm();
                    205: }
                    206: 
                    207: {
                    208:     my %analyze_cache;
1.557     raeburn   209:     my %analyze_cache_formkeys;
1.148     albertel  210: 
1.434     albertel  211:     sub reset_analyze_cache {
                    212: 	undef(%analyze_cache);
1.557     raeburn   213:         undef(%analyze_cache_formkeys);
1.434     albertel  214:     }
                    215: 
                    216:     sub get_analyze {
1.649     raeburn   217: 	my ($symb,$uname,$udom,$no_increment,$add_to_hash,$type,$trial,$rndseed,$bubbles_per_row)=@_;
1.434     albertel  218: 	my $key = "$symb\0$uname\0$udom";
1.640     raeburn   219:         if ($type eq 'randomizetry') {
                    220:             if ($trial ne '') {
                    221:                 $key .= "\0".$trial;
                    222:             }
                    223:         }
1.557     raeburn   224: 	if (exists($analyze_cache{$key})) {
                    225:             my $getupdate = 0;
                    226:             if (ref($add_to_hash) eq 'HASH') {
                    227:                 foreach my $item (keys(%{$add_to_hash})) {
                    228:                     if (ref($analyze_cache_formkeys{$key}) eq 'HASH') {
                    229:                         if (!exists($analyze_cache_formkeys{$key}{$item})) {
                    230:                             $getupdate = 1;
                    231:                             last;
                    232:                         }
                    233:                     } else {
                    234:                         $getupdate = 1;
                    235:                     }
                    236:                 }
                    237:             }
                    238:             if (!$getupdate) {
                    239:                 return $analyze_cache{$key};
                    240:             }
                    241:         }
1.434     albertel  242: 
                    243: 	my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
                    244: 	$url=&Apache::lonnet::clutter($url);
1.557     raeburn   245:         my %form = ('grade_target'      => 'analyze',
                    246:                     'grade_domain'      => $udom,
                    247:                     'grade_symb'        => $symb,
                    248:                     'grade_courseid'    =>  $env{'request.course.id'},
                    249:                     'grade_username'    => $uname,
                    250:                     'grade_noincrement' => $no_increment);
1.649     raeburn   251:         if ($bubbles_per_row ne '') {
                    252:             $form{'bubbles_per_row'} = $bubbles_per_row;
                    253:         }
1.640     raeburn   254:         if ($type eq 'randomizetry') {
                    255:             $form{'grade_questiontype'} = $type;
                    256:             if ($rndseed ne '') {
                    257:                 $form{'grade_rndseed'} = $rndseed;
                    258:             }
                    259:         }
1.557     raeburn   260:         if (ref($add_to_hash)) {
                    261:             %form = (%form,%{$add_to_hash});
1.640     raeburn   262:         }
1.557     raeburn   263: 	my $subresult=&ssi_with_retries($url, $ssi_retries,%form);
1.434     albertel  264: 	(undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
                    265: 	my %analyze=&Apache::lonnet::str2hash($subresult);
1.557     raeburn   266:         if (ref($add_to_hash) eq 'HASH') {
                    267:             $analyze_cache_formkeys{$key} = $add_to_hash;
                    268:         } else {
                    269:             $analyze_cache_formkeys{$key} = {};
                    270:         }
1.434     albertel  271: 	return $analyze_cache{$key} = \%analyze;
                    272:     }
                    273: 
                    274:     sub get_order {
1.640     raeburn   275: 	my ($partid,$respid,$symb,$uname,$udom,$no_increment,$type,$trial,$rndseed)=@_;
                    276: 	my $analyze = &get_analyze($symb,$uname,$udom,$no_increment,undef,$type,$trial,$rndseed);
1.434     albertel  277: 	return $analyze->{"$partid.$respid.shown"};
                    278:     }
                    279: 
                    280:     sub get_radiobutton_correct_foil {
1.640     raeburn   281: 	my ($partid,$respid,$symb,$uname,$udom,$type,$trial,$rndseed)=@_;
                    282: 	my $analyze = &get_analyze($symb,$uname,$udom,undef,undef,$type,$trial,$rndseed);
                    283:         my $foils = &get_order($partid,$respid,$symb,$uname,$udom,undef,$type,$trial,$rndseed);
1.555     raeburn   284:         if (ref($foils) eq 'ARRAY') {
                    285: 	    foreach my $foil (@{$foils}) {
                    286: 	        if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') {
                    287: 		    return $foil;
                    288: 	        }
1.434     albertel  289: 	    }
                    290: 	}
                    291:     }
1.554     raeburn   292: 
                    293:     sub scantron_partids_tograde {
1.649     raeburn   294:         my ($resource,$cid,$uname,$udom,$check_for_randomlist,$bubbles_per_row) = @_;
1.554     raeburn   295:         my (%analysis,@parts);
                    296:         if (ref($resource)) {
                    297:             my $symb = $resource->symb();
1.557     raeburn   298:             my $add_to_form;
                    299:             if ($check_for_randomlist) {
                    300:                 $add_to_form = { 'check_parts_withrandomlist' => 1,};
                    301:             }
1.649     raeburn   302:             my $analyze = 
                    303:                 &get_analyze($symb,$uname,$udom,undef,$add_to_form,
                    304:                              undef,undef,undef,$bubbles_per_row);
1.554     raeburn   305:             if (ref($analyze) eq 'HASH') {
                    306:                 %analysis = %{$analyze};
                    307:             }
                    308:             if (ref($analysis{'parts'}) eq 'ARRAY') {
                    309:                 foreach my $part (@{$analysis{'parts'}}) {
                    310:                     my ($id,$respid) = split(/\./,$part);
                    311:                     if (!&Apache::loncommon::check_if_partid_hidden($id,$symb,$udom,$uname)) {
                    312:                         push(@parts,$part);
                    313:                     }
                    314:                 }
                    315:             }
                    316:         }
                    317:         return (\%analysis,\@parts);
                    318:     }
                    319: 
1.148     albertel  320: }
1.434     albertel  321: 
1.118     ng        322: #--- Clean response type for display
1.335     albertel  323: #--- Currently filters option/rank/radiobutton/match/essay/Task
                    324: #        response types only.
1.118     ng        325: sub cleanRecord {
1.336     albertel  326:     my ($answer,$response,$symb,$partid,$respid,$record,$order,$version,
1.640     raeburn   327: 	$uname,$udom,$type,$trial,$rndseed) = @_;
1.398     albertel  328:     my $grayFont = '<span class="LC_internal_info">';
1.148     albertel  329:     if ($response =~ /^(option|rank)$/) {
                    330: 	my %answer=&Apache::lonnet::str2hash($answer);
                    331: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    332: 	my ($toprow,$bottomrow);
                    333: 	foreach my $foil (@$order) {
                    334: 	    if ($grading{$foil} == 1) {
                    335: 		$toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
                    336: 	    } else {
                    337: 		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
                    338: 	    }
1.398     albertel  339: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  340: 	}
                    341: 	return '<blockquote><table border="1">'.
1.466     albertel  342: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    343: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.660     raeburn   344: 	    $bottomrow.'</tr></table></blockquote>';
1.148     albertel  345:     } elsif ($response eq 'match') {
                    346: 	my %answer=&Apache::lonnet::str2hash($answer);
                    347: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    348: 	my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
                    349: 	my ($toprow,$middlerow,$bottomrow);
                    350: 	foreach my $foil (@$order) {
                    351: 	    my $item=shift(@items);
                    352: 	    if ($grading{$foil} == 1) {
                    353: 		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
1.398     albertel  354: 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</span></b></td>';
1.148     albertel  355: 	    } else {
                    356: 		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
1.398     albertel  357: 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</span></i></td>';
1.148     albertel  358: 	    }
1.398     albertel  359: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.118     ng        360: 	}
1.126     ng        361: 	return '<blockquote><table border="1">'.
1.466     albertel  362: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    363: 	    '<tr valign="top"><td>'.$grayFont.&mt('Item ID').'</span></td>'.
1.148     albertel  364: 	    $middlerow.'</tr>'.
1.466     albertel  365: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.660     raeburn   366: 	    $bottomrow.'</tr></table></blockquote>';
1.148     albertel  367:     } elsif ($response eq 'radiobutton') {
                    368: 	my %answer=&Apache::lonnet::str2hash($answer);
                    369: 	my ($toprow,$bottomrow);
1.434     albertel  370: 	my $correct = 
1.640     raeburn   371: 	    &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom,$type,$trial,$rndseed);
1.434     albertel  372: 	foreach my $foil (@$order) {
1.148     albertel  373: 	    if (exists($answer{$foil})) {
1.434     albertel  374: 		if ($foil eq $correct) {
1.466     albertel  375: 		    $toprow.='<td><b>'.&mt('true').'</b></td>';
1.148     albertel  376: 		} else {
1.466     albertel  377: 		    $toprow.='<td><i>'.&mt('true').'</i></td>';
1.148     albertel  378: 		}
                    379: 	    } else {
1.466     albertel  380: 		$toprow.='<td>'.&mt('false').'</td>';
1.148     albertel  381: 	    }
1.398     albertel  382: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  383: 	}
                    384: 	return '<blockquote><table border="1">'.
1.466     albertel  385: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    386: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.660     raeburn   387: 	    $bottomrow.'</tr></table></blockquote>';
1.148     albertel  388:     } elsif ($response eq 'essay') {
1.257     albertel  389: 	if (! exists ($env{'form.'.$symb})) {
1.122     ng        390: 	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel  391: 						  $env{'course.'.$env{'request.course.id'}.'.domain'},
                    392: 						  $env{'course.'.$env{'request.course.id'}.'.num'});
1.122     ng        393: 
1.257     albertel  394: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                    395: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                    396: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                    397: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                    398: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                    399: 	    $env{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob.
1.122     ng        400: 	}
1.166     albertel  401: 	$answer =~ s-\n-<br />-g;
                    402: 	return '<br /><br /><blockquote><tt>'.&keywords_highlight($answer).'</tt></blockquote>';
1.268     albertel  403:     } elsif ( $response eq 'organic') {
                    404: 	my $result='Smile representation: "<tt>'.$answer.'</tt>"';
                    405: 	my $jme=$record->{$version."resource.$partid.$respid.molecule"};
                    406: 	$result.=&Apache::chemresponse::jme_img($jme,$answer,400);
                    407: 	return $result;
1.335     albertel  408:     } elsif ( $response eq 'Task') {
                    409: 	if ( $answer eq 'SUBMITTED') {
                    410: 	    my $files = $record->{$version."resource.$respid.$partid.bridgetask.portfiles"};
1.336     albertel  411: 	    my $result = &Apache::bridgetask::file_list($files,$uname,$udom);
1.335     albertel  412: 	    return $result;
                    413: 	} elsif ( grep(/^\Q$version\E.*?\.instance$/, keys(%{$record})) ) {
                    414: 	    my @matches = grep(/^\Q$version\E.*?\.instance$/,
                    415: 			       keys(%{$record}));
                    416: 	    return join('<br />',($version,@matches));
                    417: 			       
                    418: 			       
                    419: 	} else {
                    420: 	    my $result =
                    421: 		'<p>'
                    422: 		.&mt('Overall result: [_1]',
                    423: 		     $record->{$version."resource.$respid.$partid.status"})
                    424: 		.'</p>';
                    425: 	    
                    426: 	    $result .= '<ul>';
                    427: 	    my @grade = grep(/^\Q${version}resource.$respid.$partid.\E[^.]*[.]status$/,
                    428: 			     keys(%{$record}));
                    429: 	    foreach my $grade (sort(@grade)) {
                    430: 		my ($dim) = ($grade =~/[.]([^.]+)[.]status$/);
                    431: 		$result.= '<li>'.&mt("Dimension: [_1], status [_2] ",
                    432: 				     $dim, $record->{$grade}).
                    433: 			  '</li>';
                    434: 	    }
                    435: 	    $result.='</ul>';
                    436: 	    return $result;
                    437: 	}
1.440     albertel  438:     } elsif ( $response =~ m/(?:numerical|formula)/) {
                    439: 	$answer = 
                    440: 	    &Apache::loncommon::format_previous_attempt_value('submission',
                    441: 							      $answer);
1.122     ng        442:     }
1.118     ng        443:     return $answer;
                    444: }
                    445: 
                    446: #-- A couple of common js functions
                    447: sub commonJSfunctions {
                    448:     my $request = shift;
1.597     wenzelju  449:     $request->print(&Apache::lonhtmlcommon::scripttag(<<COMMONJSFUNCTIONS));
1.118     ng        450:     function radioSelection(radioButton) {
                    451: 	var selection=null;
                    452: 	if (radioButton.length > 1) {
                    453: 	    for (var i=0; i<radioButton.length; i++) {
                    454: 		if (radioButton[i].checked) {
                    455: 		    return radioButton[i].value;
                    456: 		}
                    457: 	    }
                    458: 	} else {
                    459: 	    if (radioButton.checked) return radioButton.value;
                    460: 	}
                    461: 	return selection;
                    462:     }
                    463: 
                    464:     function pullDownSelection(selectOne) {
                    465: 	var selection="";
                    466: 	if (selectOne.length > 1) {
                    467: 	    for (var i=0; i<selectOne.length; i++) {
                    468: 		if (selectOne[i].selected) {
                    469: 		    return selectOne[i].value;
                    470: 		}
                    471: 	    }
                    472: 	} else {
1.138     albertel  473:             // only one value it must be the selected one
                    474: 	    return selectOne.value;
1.118     ng        475: 	}
                    476:     }
                    477: COMMONJSFUNCTIONS
                    478: }
                    479: 
1.44      ng        480: #--- Dumps the class list with usernames,list of sections,
                    481: #--- section, ids and fullnames for each user.
                    482: sub getclasslist {
1.449     banghart  483:     my ($getsec,$filterlist,$getgroup) = @_;
1.291     albertel  484:     my @getsec;
1.450     banghart  485:     my @getgroup;
1.442     banghart  486:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.291     albertel  487:     if (!ref($getsec)) {
                    488: 	if ($getsec ne '' && $getsec ne 'all') {
                    489: 	    @getsec=($getsec);
                    490: 	}
                    491:     } else {
                    492: 	@getsec=@{$getsec};
                    493:     }
                    494:     if (grep(/^all$/,@getsec)) { undef(@getsec); }
1.450     banghart  495:     if (!ref($getgroup)) {
                    496: 	if ($getgroup ne '' && $getgroup ne 'all') {
                    497: 	    @getgroup=($getgroup);
                    498: 	}
                    499:     } else {
                    500: 	@getgroup=@{$getgroup};
                    501:     }
                    502:     if (grep(/^all$/,@getgroup)) { undef(@getgroup); }
1.291     albertel  503: 
1.449     banghart  504:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1.49      albertel  505:     # Bail out if we were unable to get the classlist
1.56      matthew   506:     return if (! defined($classlist));
1.449     banghart  507:     &Apache::loncoursedata::get_group_memberships($classlist,$keylist);
1.56      matthew   508:     #
                    509:     my %sections;
                    510:     my %fullnames;
1.205     matthew   511:     foreach my $student (keys(%$classlist)) {
                    512:         my $end      = 
                    513:             $classlist->{$student}->[&Apache::loncoursedata::CL_END()];
                    514:         my $start    = 
                    515:             $classlist->{$student}->[&Apache::loncoursedata::CL_START()];
                    516:         my $id       = 
                    517:             $classlist->{$student}->[&Apache::loncoursedata::CL_ID()];
                    518:         my $section  = 
                    519:             $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
                    520:         my $fullname = 
                    521:             $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()];
                    522:         my $status   = 
                    523:             $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()];
1.449     banghart  524:         my $group   = 
                    525:             $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
1.76      ng        526: 	# filter students according to status selected
1.442     banghart  527: 	if ($filterlist && (!($stu_status =~ /Any/))) {
                    528: 	    if (!($stu_status =~ $status)) {
1.450     banghart  529: 		delete($classlist->{$student});
1.76      ng        530: 		next;
                    531: 	    }
                    532: 	}
1.450     banghart  533: 	# filter students according to groups selected
1.453     banghart  534: 	my @stu_groups = split(/,/,$group);
1.450     banghart  535: 	if (@getgroup) {
                    536: 	    my $exclude = 1;
1.454     banghart  537: 	    foreach my $grp (@getgroup) {
                    538: 	        foreach my $stu_group (@stu_groups) {
1.453     banghart  539: 	            if ($stu_group eq $grp) {
                    540: 	                $exclude = 0;
                    541:     	            } 
1.450     banghart  542: 	        }
1.453     banghart  543:     	        if (($grp eq 'none') && !$group) {
                    544:         	        $exclude = 0;
                    545:         	}
1.450     banghart  546: 	    }
                    547: 	    if ($exclude) {
                    548: 	        delete($classlist->{$student});
                    549: 	    }
                    550: 	}
1.205     matthew   551: 	$section = ($section ne '' ? $section : 'none');
1.106     albertel  552: 	if (&canview($section)) {
1.291     albertel  553: 	    if (!@getsec || grep(/^\Q$section\E$/,@getsec)) {
1.103     albertel  554: 		$sections{$section}++;
1.450     banghart  555: 		if ($classlist->{$student}) {
                    556: 		    $fullnames{$student}=$fullname;
                    557: 		}
1.103     albertel  558: 	    } else {
1.205     matthew   559: 		delete($classlist->{$student});
1.103     albertel  560: 	    }
                    561: 	} else {
1.205     matthew   562: 	    delete($classlist->{$student});
1.103     albertel  563: 	}
1.44      ng        564:     }
                    565:     my %seen = ();
1.56      matthew   566:     my @sections = sort(keys(%sections));
                    567:     return ($classlist,\@sections,\%fullnames);
1.44      ng        568: }
                    569: 
1.103     albertel  570: sub canmodify {
                    571:     my ($sec)=@_;
                    572:     if ($perm{'mgr'}) {
                    573: 	if (!defined($perm{'mgr_section'})) {
                    574: 	    # can modify whole class
                    575: 	    return 1;
                    576: 	} else {
                    577: 	    if ($sec eq $perm{'mgr_section'}) {
                    578: 		#can modify the requested section
                    579: 		return 1;
                    580: 	    } else {
                    581: 		# can't modify the request section
                    582: 		return 0;
                    583: 	    }
                    584: 	}
                    585:     }
                    586:     #can't modify
                    587:     return 0;
                    588: }
                    589: 
                    590: sub canview {
                    591:     my ($sec)=@_;
                    592:     if ($perm{'vgr'}) {
                    593: 	if (!defined($perm{'vgr_section'})) {
                    594: 	    # can modify whole class
                    595: 	    return 1;
                    596: 	} else {
                    597: 	    if ($sec eq $perm{'vgr_section'}) {
                    598: 		#can modify the requested section
                    599: 		return 1;
                    600: 	    } else {
                    601: 		# can't modify the request section
                    602: 		return 0;
                    603: 	    }
                    604: 	}
                    605:     }
                    606:     #can't modify
                    607:     return 0;
                    608: }
                    609: 
1.44      ng        610: #--- Retrieve the grade status of a student for all the parts
                    611: sub student_gradeStatus {
1.324     albertel  612:     my ($symb,$udom,$uname,$partlist) = @_;
1.257     albertel  613:     my %record     = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.44      ng        614:     my %partstatus = ();
                    615:     foreach (@$partlist) {
1.128     ng        616: 	my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
1.44      ng        617: 	$status              = 'nothing' if ($status eq '');
                    618: 	$partstatus{$_}      = $status;
                    619: 	my $subkey           = "resource.$_.submitted_by";
                    620: 	$partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
                    621:     }
                    622:     return %partstatus;
                    623: }
                    624: 
1.45      ng        625: # hidden form and javascript that calls the form
                    626: # Use by verifyscript and viewgrades
                    627: # Shows a student's view of problem and submission
                    628: sub jscriptNform {
1.324     albertel  629:     my ($symb) = @_;
1.442     banghart  630:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.597     wenzelju  631:     my $jscript= &Apache::lonhtmlcommon::scripttag(
1.45      ng        632: 	'    function viewOneStudent(user,domain) {'."\n".
                    633: 	'	document.onestudent.student.value = user;'."\n".
                    634: 	'	document.onestudent.userdom.value = domain;'."\n".
                    635: 	'	document.onestudent.submit();'."\n".
                    636: 	'    }'."\n".
1.597     wenzelju  637: 	"\n");
1.45      ng        638:     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
1.418     albertel  639: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.442     banghart  640: 	'<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
1.45      ng        641: 	'<input type="hidden" name="command" value="submission" />'."\n".
                    642: 	'<input type="hidden" name="student" value="" />'."\n".
                    643: 	'<input type="hidden" name="userdom" value="" />'."\n".
                    644: 	'</form>'."\n";
                    645:     return $jscript;
                    646: }
1.39      ng        647: 
1.447     foxr      648: 
                    649: 
1.315     bowersj2  650: # Given the score (as a number [0-1] and the weight) what is the final
                    651: # point value? This function will round to the nearest tenth, third,
                    652: # or quarter if one of those is within the tolerance of .00001.
1.316     albertel  653: sub compute_points {
1.315     bowersj2  654:     my ($score, $weight) = @_;
                    655:     
                    656:     my $tolerance = .00001;
                    657:     my $points = $score * $weight;
                    658: 
                    659:     # Check for nearness to 1/x.
                    660:     my $check_for_nearness = sub {
                    661:         my ($factor) = @_;
                    662:         my $num = ($points * $factor) + $tolerance;
                    663:         my $floored_num = floor($num);
1.316     albertel  664:         if ($num - $floored_num < 2 * $tolerance * $factor) {
1.315     bowersj2  665:             return $floored_num / $factor;
                    666:         }
                    667:         return $points;
                    668:     };
                    669: 
                    670:     $points = $check_for_nearness->(10);
                    671:     $points = $check_for_nearness->(3);
                    672:     $points = $check_for_nearness->(4);
                    673:     
                    674:     return $points;
                    675: }
                    676: 
1.44      ng        677: #------------------ End of general use routines --------------------
1.87      www       678: 
                    679: #
                    680: # Find most similar essay
                    681: #
                    682: 
                    683: sub most_similar {
1.426     albertel  684:     my ($uname,$udom,$uessay,$old_essays)=@_;
1.87      www       685: 
                    686: # ignore spaces and punctuation
                    687: 
                    688:     $uessay=~s/\W+/ /gs;
                    689: 
1.282     www       690: # ignore empty submissions (occuring when only files are sent)
                    691: 
1.598     www       692:     unless ($uessay=~/\w+/s) { return ''; }
1.282     www       693: 
1.87      www       694: # these will be returned. Do not care if not at least 50 percent similar
1.88      www       695:     my $limit=0.6;
1.87      www       696:     my $sname='';
                    697:     my $sdom='';
                    698:     my $scrsid='';
                    699:     my $sessay='';
                    700: # go through all essays ...
1.426     albertel  701:     foreach my $tkey (keys(%$old_essays)) {
                    702: 	my ($tname,$tdom,$tcrsid)=map {&unescape($_)} (split(/\./,$tkey));
1.87      www       703: # ... except the same student
1.426     albertel  704:         next if (($tname eq $uname) && ($tdom eq $udom));
                    705: 	my $tessay=$old_essays->{$tkey};
                    706: 	$tessay=~s/\W+/ /gs;
1.87      www       707: # String similarity gives up if not even limit
1.426     albertel  708: 	my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
1.87      www       709: # Found one
1.426     albertel  710: 	if ($tsimilar>$limit) {
                    711: 	    $limit=$tsimilar;
                    712: 	    $sname=$tname;
                    713: 	    $sdom=$tdom;
                    714: 	    $scrsid=$tcrsid;
                    715: 	    $sessay=$old_essays->{$tkey};
                    716: 	}
1.87      www       717:     }
1.88      www       718:     if ($limit>0.6) {
1.87      www       719:        return ($sname,$sdom,$scrsid,$sessay,$limit);
                    720:     } else {
                    721:        return ('','','','',0);
                    722:     }
                    723: }
                    724: 
1.44      ng        725: #-------------------------------------------------------------------
                    726: 
                    727: #------------------------------------ Receipt Verification Routines
1.45      ng        728: #
1.602     www       729: 
                    730: sub initialverifyreceipt {
1.608     www       731:    my ($request,$symb) = @_;
1.602     www       732:    &commonJSfunctions($request);
1.605     www       733:    return '<form name="gradingMenu"><input type="submit" value="'.&mt('Verify Receipt Number.').'" />'.
1.602     www       734:         &Apache::lonnet::recprefix($env{'request.course.id'}).
                    735:         '-<input type="text" name="receipt" size="4" />'.
1.603     www       736:         '<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
                    737:         '<input type="hidden" name="command" value="verify" />'.
                    738:         "</form>\n";
1.602     www       739: }
                    740: 
1.44      ng        741: #--- Check whether a receipt number is valid.---
                    742: sub verifyreceipt {
1.608     www       743:     my ($request,$symb)  = @_;
1.44      ng        744: 
1.257     albertel  745:     my $courseid = $env{'request.course.id'};
1.184     www       746:     my $receipt  = &Apache::lonnet::recprefix($courseid).'-'.
1.257     albertel  747: 	$env{'form.receipt'};
1.44      ng        748:     $receipt     =~ s/[^\-\d]//g;
                    749: 
1.487     albertel  750:     my $title.=
                    751: 	'<h3><span class="LC_info">'.
1.605     www       752: 	&mt('Verifying Receipt Number [_1]',$receipt).
                    753: 	'</span></h3>'."\n";
1.44      ng        754: 
                    755:     my ($string,$contents,$matches) = ('','',0);
1.56      matthew   756:     my (undef,undef,$fullname) = &getclasslist('all','0');
1.177     albertel  757:     
                    758:     my $receiptparts=0;
1.390     albertel  759:     if ($env{"course.$courseid.receiptalg"} eq 'receipt2' ||
                    760: 	$env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; }
1.177     albertel  761:     my $parts=['0'];
1.582     raeburn   762:     if ($receiptparts) {
                    763:         my $res_error; 
                    764:         ($parts)=&response_type($symb,\$res_error);
                    765:         if ($res_error) {
                    766:             return &navmap_errormsg();
                    767:         } 
                    768:     }
1.486     albertel  769:     
                    770:     my $header = 
                    771: 	&Apache::loncommon::start_data_table().
                    772: 	&Apache::loncommon::start_data_table_header_row().
1.487     albertel  773: 	'<th>&nbsp;'.&mt('Fullname').'&nbsp;</th>'."\n".
                    774: 	'<th>&nbsp;'.&mt('Username').'&nbsp;</th>'."\n".
                    775: 	'<th>&nbsp;'.&mt('Domain').'&nbsp;</th>';
1.486     albertel  776:     if ($receiptparts) {
1.487     albertel  777: 	$header.='<th>&nbsp;'.&mt('Problem Part').'&nbsp;</th>';
1.486     albertel  778:     }
                    779:     $header.=
                    780: 	&Apache::loncommon::end_data_table_header_row();
                    781: 
1.294     albertel  782:     foreach (sort 
                    783: 	     {
                    784: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    785: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    786: 		 }
                    787: 		 return $a cmp $b;
                    788: 	     } (keys(%$fullname))) {
1.44      ng        789: 	my ($uname,$udom)=split(/\:/);
1.177     albertel  790: 	foreach my $part (@$parts) {
                    791: 	    if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
1.486     albertel  792: 		$contents.=
                    793: 		    &Apache::loncommon::start_data_table_row().
                    794: 		    '<td>&nbsp;'."\n".
1.177     albertel  795: 		    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel  796: 		    '\');" target="_self">'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
1.177     albertel  797: 		    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
                    798: 		    '<td>&nbsp;'.$udom.'&nbsp;</td>';
                    799: 		if ($receiptparts) {
                    800: 		    $contents.='<td>&nbsp;'.$part.'&nbsp;</td>';
                    801: 		}
1.486     albertel  802: 		$contents.= 
                    803: 		    &Apache::loncommon::end_data_table_row()."\n";
1.177     albertel  804: 		
                    805: 		$matches++;
                    806: 	    }
1.44      ng        807: 	}
                    808:     }
                    809:     if ($matches == 0) {
1.584     bisitz    810:         $string = $title
                    811:                  .'<p class="LC_warning">'
                    812:                  .&mt('No match found for the above receipt number.')
                    813:                  .'</p>';
1.44      ng        814:     } else {
1.324     albertel  815: 	$string = &jscriptNform($symb).$title.
1.487     albertel  816: 	    '<p>'.
1.584     bisitz    817: 	    &mt('The above receipt number matches the following [quant,_1,student].',$matches).
1.487     albertel  818: 	    '</p>'.
1.486     albertel  819: 	    $header.
                    820: 	    $contents.
                    821: 	    &Apache::loncommon::end_data_table()."\n";
1.44      ng        822:     }
1.614     www       823:     return $string;
1.44      ng        824: }
                    825: 
                    826: #--- This is called by a number of programs.
                    827: #--- Called from the Grading Menu - View/Grade an individual student
                    828: #--- Also called directly when one clicks on the subm button 
                    829: #    on the problem page.
1.30      ng        830: sub listStudents {
1.617     www       831:     my ($request,$symb,$submitonly) = @_;
1.49      albertel  832: 
1.257     albertel  833:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                    834:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                    835:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
1.449     banghart  836:     my $getgroup  = $env{'form.group'} eq '' ? 'all' : $env{'form.group'};
1.617     www       837:     unless ($submitonly) {
                    838:        $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
                    839:     }
1.49      albertel  840: 
1.632     www       841:     my $result='';
1.623     www       842:     my $res_error;
                    843:     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
1.49      albertel  844: 
1.559     raeburn   845:     my %lt = &Apache::lonlocal::texthash (
                    846: 		'multiple' => 'Please select a student or group of students before clicking on the Next button.',
                    847: 		'single'   => 'Please select the student before clicking on the Next button.',
                    848: 	     );
1.597     wenzelju  849:     $request->print(&Apache::lonhtmlcommon::scripttag(<<LISTJAVASCRIPT));
1.110     ng        850:     function checkSelect(checkBox) {
                    851: 	var ctr=0;
                    852: 	var sense="";
                    853: 	if (checkBox.length > 1) {
                    854: 	    for (var i=0; i<checkBox.length; i++) {
                    855: 		if (checkBox[i].checked) {
                    856: 		    ctr++;
                    857: 		}
                    858: 	    }
1.485     albertel  859: 	    sense = '$lt{'multiple'}';
1.110     ng        860: 	} else {
                    861: 	    if (checkBox.checked) {
                    862: 		ctr = 1;
                    863: 	    }
1.485     albertel  864: 	    sense = '$lt{'single'}';
1.110     ng        865: 	}
                    866: 	if (ctr == 0) {
1.485     albertel  867: 	    alert(sense);
1.110     ng        868: 	    return false;
                    869: 	}
                    870: 	document.gradesub.submit();
                    871:     }
                    872: 
                    873:     function reLoadList(formname) {
1.112     ng        874: 	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
1.110     ng        875: 	formname.command.value = 'submission';
                    876: 	formname.submit();
                    877:     }
1.45      ng        878: LISTJAVASCRIPT
                    879: 
1.118     ng        880:     &commonJSfunctions($request);
1.41      ng        881:     $request->print($result);
1.39      ng        882: 
1.154     albertel  883:     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
1.598     www       884: 	"\n";
1.485     albertel  885: 	
1.561     bisitz    886:     $gradeTable .= &Apache::lonhtmlcommon::start_pick_box();
                    887:     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('View Problem Text'))
                    888:                   .'<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n"
                    889:                   .'<label><input type="radio" name="vProb" value="yes" /> '.&mt('one student').' </label>'."\n"
                    890:                   .'<label><input type="radio" name="vProb" value="all" /> '.&mt('all students').' </label><br />'."\n"
                    891:                   .&Apache::lonhtmlcommon::row_closure();
                    892:     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('View Answer'))
                    893:                   .'<label><input type="radio" name="vAns" value="no"  /> '.&mt('no').' </label>'."\n"
                    894:                   .'<label><input type="radio" name="vAns" value="yes" /> '.&mt('one student').' </label>'."\n"
                    895:                   .'<label><input type="radio" name="vAns" value="all" checked="checked" /> '.&mt('all students').' </label><br />'."\n"
                    896:                   .&Apache::lonhtmlcommon::row_closure();
1.485     albertel  897: 
                    898:     my $submission_options;
1.442     banghart  899:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
                    900:     my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
1.257     albertel  901:     $env{'form.Status'} = $saveStatus;
1.485     albertel  902:     $submission_options.=
1.592     bisitz    903:         '<span class="LC_nobreak">'.
1.624     www       904:         '<label><input type="radio" name="lastSub" value="lastonly" /> '.
1.592     bisitz    905:         &mt('last submission only').' </label></span>'."\n".
                    906:         '<span class="LC_nobreak">'.
                    907:         '<label><input type="radio" name="lastSub" value="last" /> '.
                    908:         &mt('last submission &amp; parts info').' </label></span>'."\n".
                    909:         '<span class="LC_nobreak">'.
1.628     www       910:         '<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> '.
1.592     bisitz    911:         &mt('by dates and submissions').'</label></span>'."\n".
                    912:         '<span class="LC_nobreak">'.
                    913:         '<label><input type="radio" name="lastSub" value="all" /> '.
                    914:         &mt('all details').'</label></span>';
1.561     bisitz    915:     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Submissions'))
                    916:                   .$submission_options
                    917:                   .&Apache::lonhtmlcommon::row_closure();
                    918: 
                    919:     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Grading Increments'))
                    920:                   .'<select name="increment">'
                    921:                   .'<option value="1">'.&mt('Whole Points').'</option>'
                    922:                   .'<option value=".5">'.&mt('Half Points').'</option>'
                    923:                   .'<option value=".25">'.&mt('Quarter Points').'</option>'
                    924:                   .'<option value=".1">'.&mt('Tenths of a Point').'</option>'
                    925:                   .'</select>'
                    926:                   .&Apache::lonhtmlcommon::row_closure();
1.485     albertel  927: 
                    928:     $gradeTable .= 
1.432     banghart  929:         &build_section_inputs().
1.45      ng        930: 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
1.418     albertel  931: 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.110     ng        932: 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
                    933: 
1.618     www       934:     if (exists($env{'form.Status'})) {
1.561     bisitz    935: 	$gradeTable .= '<input type="hidden" name="Status" value="'.$stu_status.'" />'."\n";
1.124     ng        936:     } else {
1.561     bisitz    937:         $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Student Status'))
                    938:                       .&Apache::lonhtmlcommon::StatusOptions(
                    939:                            $saveStatus,undef,1,'javascript:reLoadList(this.form);')
                    940:                       .&Apache::lonhtmlcommon::row_closure();
1.124     ng        941:     }
1.112     ng        942: 
1.561     bisitz    943:     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Check For Plagiarism'))
                    944:                   .'<input type="checkbox" name="checkPlag" checked="checked" />'
                    945:                   .&Apache::lonhtmlcommon::row_closure(1)
                    946:                   .&Apache::lonhtmlcommon::end_pick_box();
                    947: 
                    948:     $gradeTable .= '<p>'
1.618     www       949:                   .&mt("To view/grade/regrade a submission or a group of submissions, click on the check box(es) next to the student's name(s). Then click on the Next button.")."\n"
1.561     bisitz    950:                   .'<input type="hidden" name="command" value="processGroup" />'
                    951:                   .'</p>';
1.249     albertel  952: 
                    953: # checkall buttons
                    954:     $gradeTable.=&check_script('gradesub', 'stuinfo');
1.110     ng        955:     $gradeTable.='<input type="button" '."\n".
1.589     bisitz    956:         'onclick="javascript:checkSelect(this.form.stuinfo);" '."\n".
                    957:         'value="'.&mt('Next').' &rarr;" /> <br />'."\n";
1.249     albertel  958:     $gradeTable.=&check_buttons();
1.450     banghart  959:     my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup);
1.474     albertel  960:     $gradeTable.= &Apache::loncommon::start_data_table().
                    961: 	&Apache::loncommon::start_data_table_header_row();
1.110     ng        962:     my $loop = 0;
                    963:     while ($loop < 2) {
1.485     albertel  964: 	$gradeTable.='<th>'.&mt('No.').'</th><th>'.&mt('Select').'</th>'.
                    965: 	    '<th>'.&nameUserString('header').'&nbsp;'.&mt('Section/Group').'</th>';
1.618     www       966: 	if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
1.485     albertel  967: 	    foreach my $part (sort(@$partlist)) {
                    968: 		my $display_part=
                    969: 		    &get_display_part((split(/_/,$part))[0],$symb);
                    970: 		$gradeTable.=
                    971: 		    '<th>'.&mt('Part: [_1] Status',$display_part).'</th>';
1.110     ng        972: 	    }
1.301     albertel  973: 	} elsif ($submitonly eq 'queued') {
1.474     albertel  974: 	    $gradeTable.='<th>'.&mt('Queue Status').'&nbsp;</th>';
1.110     ng        975: 	}
                    976: 	$loop++;
1.126     ng        977: #	$gradeTable.='<td></td>' if ($loop%2 ==1);
1.41      ng        978:     }
1.474     albertel  979:     $gradeTable.=&Apache::loncommon::end_data_table_header_row()."\n";
1.41      ng        980: 
1.45      ng        981:     my $ctr = 0;
1.294     albertel  982:     foreach my $student (sort 
                    983: 			 {
                    984: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    985: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    986: 			     }
                    987: 			     return $a cmp $b;
                    988: 			 }
                    989: 			 (keys(%$fullname))) {
1.41      ng        990: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel  991: 
1.110     ng        992: 	my %status = ();
1.301     albertel  993: 
                    994: 	if ($submitonly eq 'queued') {
                    995: 	    my %queue_status = 
                    996: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                    997: 							$udom,$uname);
                    998: 	    next if (!defined($queue_status{'gradingqueue'}));
                    999: 	    $status{'gradingqueue'} = $queue_status{'gradingqueue'};
                   1000: 	}
                   1001: 
1.618     www      1002: 	if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
1.324     albertel 1003: 	    (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel 1004: 	    my $submitted = 0;
1.164     albertel 1005: 	    my $graded = 0;
1.248     albertel 1006: 	    my $incorrect = 0;
1.110     ng       1007: 	    foreach (keys(%status)) {
1.145     albertel 1008: 		$submitted = 1 if ($status{$_} ne 'nothing');
1.248     albertel 1009: 		$graded = 1 if ($status{$_} =~ /^ungraded/);
                   1010: 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
                   1011: 		
1.110     ng       1012: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                   1013: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
1.145     albertel 1014: 		    $submitted = 0;
1.150     albertel 1015: 		    my ($part)=split(/\./,$partid);
1.110     ng       1016: 		    $gradeTable.='<input type="hidden" name="'.
1.150     albertel 1017: 			$student.':'.$part.':submitted_by" value="'.
1.110     ng       1018: 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
                   1019: 		}
1.41      ng       1020: 	    }
1.248     albertel 1021: 	    
1.156     albertel 1022: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                   1023: 				     $submitonly eq 'incorrect' ||
                   1024: 				     $submitonly eq 'graded'));
1.248     albertel 1025: 	    next if (!$graded && ($submitonly eq 'graded'));
                   1026: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng       1027: 	}
1.34      ng       1028: 
1.45      ng       1029: 	$ctr++;
1.249     albertel 1030: 	my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
1.452     banghart 1031:         my $group = $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
1.104     albertel 1032: 	if ( $perm{'vgr'} eq 'F' ) {
1.474     albertel 1033: 	    if ($ctr%2 ==1) {
                   1034: 		$gradeTable.= &Apache::loncommon::start_data_table_row();
                   1035: 	    }
1.126     ng       1036: 	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
1.563     bisitz   1037:                '<td align="center"><label><input type="checkbox" name="stuinfo" value="'.
1.249     albertel 1038:                $student.':'.$$fullname{$student}.':::SECTION'.$section.
                   1039: 	       ')&nbsp;" />&nbsp;&nbsp;</label></td>'."\n".'<td>'.
                   1040: 	       &nameUserString(undef,$$fullname{$student},$uname,$udom).
1.474     albertel 1041: 	       '&nbsp;'.$section.($group ne '' ?'/'.$group:'').'</td>'."\n";
1.110     ng       1042: 
1.618     www      1043: 	    if ($submitonly ne 'all') {
1.524     raeburn  1044: 		foreach (sort(keys(%status))) {
1.485     albertel 1045: 		    next if ($_ =~ /^resource.*?submitted_by$/);
                   1046: 		    $gradeTable.='<td align="center">&nbsp;'.&mt($status{$_}).'&nbsp;</td>'."\n";
1.110     ng       1047: 		}
1.41      ng       1048: 	    }
1.126     ng       1049: #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
1.474     albertel 1050: 	    if ($ctr%2 ==0) {
                   1051: 		$gradeTable.=&Apache::loncommon::end_data_table_row()."\n";
                   1052: 	    }
1.41      ng       1053: 	}
                   1054:     }
1.110     ng       1055:     if ($ctr%2 ==1) {
1.126     ng       1056: 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
1.618     www      1057: 	    if (($submitonly ne 'queued') && ($submitonly ne 'all')) {
1.110     ng       1058: 		foreach (@$partlist) {
                   1059: 		    $gradeTable.='<td>&nbsp;</td>';
                   1060: 		}
1.301     albertel 1061: 	    } elsif ($submitonly eq 'queued') {
                   1062: 		$gradeTable.='<td>&nbsp;</td>';
1.110     ng       1063: 	    }
1.474     albertel 1064: 	$gradeTable.=&Apache::loncommon::end_data_table_row();
1.110     ng       1065:     }
                   1066: 
1.474     albertel 1067:     $gradeTable.=&Apache::loncommon::end_data_table()."\n".
1.589     bisitz   1068:         '<input type="button" '.
                   1069:         'onclick="javascript:checkSelect(this.form.stuinfo);" '.
                   1070:         'value="'.&mt('Next').' &rarr;" /></form>'."\n";
1.45      ng       1071:     if ($ctr == 0) {
1.96      albertel 1072: 	my $num_students=(scalar(keys(%$fullname)));
                   1073: 	if ($num_students eq 0) {
1.485     albertel 1074: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.&mt('There are no students currently enrolled.').'</span>';
1.96      albertel 1075: 	} else {
1.171     albertel 1076: 	    my $submissions='submissions';
                   1077: 	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
                   1078: 	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
1.301     albertel 1079: 	    if ($submitonly eq 'queued'   ) { $submissions = 'queued submissions'; }
1.398     albertel 1080: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.
1.485     albertel 1081: 		&mt('No '.$submissions.' found for this resource for any students. ([_1] students checked for '.$submissions.')',
                   1082: 		    $num_students).
                   1083: 		'</span><br />';
1.96      albertel 1084: 	}
1.46      ng       1085:     } elsif ($ctr == 1) {
1.474     albertel 1086: 	$gradeTable =~ s/type="checkbox"/type="checkbox" checked="checked"/;
1.45      ng       1087:     }
                   1088:     $request->print($gradeTable);
1.44      ng       1089:     return '';
1.10      ng       1090: }
                   1091: 
1.44      ng       1092: #---- Called from the listStudents routine
1.249     albertel 1093: 
                   1094: sub check_script {
                   1095:     my ($form, $type)=@_;
1.597     wenzelju 1096:     my $chkallscript= &Apache::lonhtmlcommon::scripttag('
1.249     albertel 1097:     function checkall() {
                   1098:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1099:             ele = document.forms.'.$form.'.elements[i];
                   1100:             if (ele.name == "'.$type.'") {
                   1101:             document.forms.'.$form.'.elements[i].checked=true;
                   1102:                                        }
                   1103:         }
                   1104:     }
                   1105: 
                   1106:     function checksec() {
                   1107:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1108:             ele = document.forms.'.$form.'.elements[i];
                   1109:            string = document.forms.'.$form.'.chksec.value;
                   1110:            if
                   1111:           (ele.value.indexOf(":::SECTION"+string)>0) {
                   1112:               document.forms.'.$form.'.elements[i].checked=true;
                   1113:             }
                   1114:         }
                   1115:     }
                   1116: 
                   1117: 
                   1118:     function uncheckall() {
                   1119:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1120:             ele = document.forms.'.$form.'.elements[i];
                   1121:             if (ele.name == "'.$type.'") {
                   1122:             document.forms.'.$form.'.elements[i].checked=false;
                   1123:                                        }
                   1124:         }
                   1125:     }
                   1126: 
1.597     wenzelju 1127: '."\n");
1.249     albertel 1128:     return $chkallscript;
                   1129: }
                   1130: 
                   1131: sub check_buttons {
1.485     albertel 1132:     my $buttons.='<input type="button" onclick="checkall()" value="'.&mt('Check All').'" />';
                   1133:     $buttons.='<input type="button" onclick="uncheckall()" value="'.&mt('Uncheck All').'" />&nbsp;';
                   1134:     $buttons.='<input type="button" onclick="checksec()" value="'.&mt('Check Section/Group').'" />';
1.249     albertel 1135:     $buttons.='<input type="text" size="5" name="chksec" />&nbsp;';
                   1136:     return $buttons;
                   1137: }
                   1138: 
1.44      ng       1139: #     Displays the submissions for one student or a group of students
1.34      ng       1140: sub processGroup {
1.619     www      1141:     my ($request,$symb)  = @_;
1.41      ng       1142:     my $ctr        = 0;
1.155     albertel 1143:     my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.41      ng       1144:     my $total      = scalar(@stuchecked)-1;
1.45      ng       1145: 
1.396     banghart 1146:     foreach my $student (@stuchecked) {
                   1147: 	my ($uname,$udom,$fullname) = split(/:/,$student);
1.257     albertel 1148: 	$env{'form.student'}        = $uname;
                   1149: 	$env{'form.userdom'}        = $udom;
                   1150: 	$env{'form.fullname'}       = $fullname;
1.619     www      1151: 	&submission($request,$ctr,$total,$symb);
1.41      ng       1152: 	$ctr++;
                   1153:     }
                   1154:     return '';
1.35      ng       1155: }
1.34      ng       1156: 
1.44      ng       1157: #------------------------------------------------------------------------------------
                   1158: #
                   1159: #-------------------------- Next few routines handles grading by student, essentially
                   1160: #                           handles essay response type problem/part
                   1161: #
                   1162: #--- Javascript to handle the submission page functionality ---
                   1163: sub sub_page_js {
                   1164:     my $request = shift;
1.539     riegler  1165: 	    my $alertmsg = &mt('A number equal or greater than 0 is expected. Entered value = ');
1.597     wenzelju 1166:     $request->print(&Apache::lonhtmlcommon::scripttag(<<SUBJAVASCRIPT));
1.71      ng       1167:     function updateRadio(formname,id,weight) {
1.125     ng       1168: 	var gradeBox = formname["GD_BOX"+id];
                   1169: 	var radioButton = formname["RADVAL"+id];
                   1170: 	var oldpts = formname["oldpts"+id].value;
1.72      ng       1171: 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
1.71      ng       1172: 	gradeBox.value = pts;
                   1173: 	var resetbox = false;
                   1174: 	if (isNaN(pts) || pts < 0) {
1.539     riegler  1175: 	    alert("$alertmsg"+pts);
1.71      ng       1176: 	    for (var i=0; i<radioButton.length; i++) {
                   1177: 		if (radioButton[i].checked) {
                   1178: 		    gradeBox.value = i;
                   1179: 		    resetbox = true;
                   1180: 		}
                   1181: 	    }
                   1182: 	    if (!resetbox) {
                   1183: 		formtextbox.value = "";
                   1184: 	    }
                   1185: 	    return;
1.44      ng       1186: 	}
1.71      ng       1187: 
                   1188: 	if (pts > weight) {
                   1189: 	    var resp = confirm("You entered a value ("+pts+
                   1190: 			       ") greater than the weight for the part. Accept?");
                   1191: 	    if (resp == false) {
1.125     ng       1192: 		gradeBox.value = oldpts;
1.71      ng       1193: 		return;
                   1194: 	    }
1.44      ng       1195: 	}
1.13      albertel 1196: 
1.71      ng       1197: 	for (var i=0; i<radioButton.length; i++) {
                   1198: 	    radioButton[i].checked=false;
                   1199: 	    if (pts == i && pts != "") {
                   1200: 		radioButton[i].checked=true;
                   1201: 	    }
                   1202: 	}
                   1203: 	updateSelect(formname,id);
1.125     ng       1204: 	formname["stores"+id].value = "0";
1.41      ng       1205:     }
1.5       albertel 1206: 
1.72      ng       1207:     function writeBox(formname,id,pts) {
1.125     ng       1208: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1209: 	if (checkSolved(formname,id) == 'update') {
                   1210: 	    gradeBox.value = pts;
                   1211: 	} else {
1.125     ng       1212: 	    var oldpts = formname["oldpts"+id].value;
1.72      ng       1213: 	    gradeBox.value = oldpts;
1.125     ng       1214: 	    var radioButton = formname["RADVAL"+id];
1.71      ng       1215: 	    for (var i=0; i<radioButton.length; i++) {
                   1216: 		radioButton[i].checked=false;
1.72      ng       1217: 		if (i == oldpts) {
1.71      ng       1218: 		    radioButton[i].checked=true;
                   1219: 		}
                   1220: 	    }
1.41      ng       1221: 	}
1.125     ng       1222: 	formname["stores"+id].value = "0";
1.71      ng       1223: 	updateSelect(formname,id);
                   1224: 	return;
1.41      ng       1225:     }
1.44      ng       1226: 
1.71      ng       1227:     function clearRadBox(formname,id) {
                   1228: 	if (checkSolved(formname,id) == 'noupdate') {
                   1229: 	    updateSelect(formname,id);
                   1230: 	    return;
                   1231: 	}
1.125     ng       1232: 	gradeSelect = formname["GD_SEL"+id];
1.71      ng       1233: 	for (var i=0; i<gradeSelect.length; i++) {
                   1234: 	    if (gradeSelect[i].selected) {
                   1235: 		var selectx=i;
                   1236: 	    }
                   1237: 	}
1.125     ng       1238: 	var stores = formname["stores"+id];
1.71      ng       1239: 	if (selectx == stores.value) { return };
1.125     ng       1240: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1241: 	gradeBox.value = "";
1.125     ng       1242: 	var radioButton = formname["RADVAL"+id];
1.71      ng       1243: 	for (var i=0; i<radioButton.length; i++) {
                   1244: 	    radioButton[i].checked=false;
                   1245: 	}
                   1246: 	stores.value = selectx;
                   1247:     }
1.5       albertel 1248: 
1.71      ng       1249:     function checkSolved(formname,id) {
1.125     ng       1250: 	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
1.118     ng       1251: 	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
                   1252: 	    if (!reply) {return "noupdate";}
1.120     ng       1253: 	    formname.overRideScore.value = 'yes';
1.41      ng       1254: 	}
1.71      ng       1255: 	return "update";
1.13      albertel 1256:     }
1.71      ng       1257: 
                   1258:     function updateSelect(formname,id) {
1.125     ng       1259: 	formname["GD_SEL"+id][0].selected = true;
1.71      ng       1260: 	return;
1.41      ng       1261:     }
1.33      ng       1262: 
1.121     ng       1263: //=========== Check that a point is assigned for all the parts  ============
1.71      ng       1264:     function checksubmit(formname,val,total,parttot) {
1.121     ng       1265: 	formname.gradeOpt.value = val;
1.71      ng       1266: 	if (val == "Save & Next") {
                   1267: 	    for (i=0;i<=total;i++) {
                   1268: 		for (j=0;j<parttot;j++) {
1.125     ng       1269: 		    var partid = formname["partid"+i+"_"+j].value;
1.127     ng       1270: 		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1271: 			var points = formname["GD_BOX"+i+"_"+partid].value;
1.71      ng       1272: 			if (points == "") {
1.125     ng       1273: 			    var name = formname["name"+i].value;
1.129     ng       1274: 			    var studentID = (name != '' ? name : formname["unamedom"+i].value);
                   1275: 			    var resp = confirm("You did not assign a score for "+studentID+
                   1276: 					       ", part "+partid+". Continue?");
1.71      ng       1277: 			    if (resp == false) {
1.125     ng       1278: 				formname["GD_BOX"+i+"_"+partid].focus();
1.71      ng       1279: 				return false;
                   1280: 			    }
                   1281: 			}
                   1282: 		    }
                   1283: 		    
                   1284: 		}
                   1285: 	    }
                   1286: 	    
                   1287: 	}
1.120     ng       1288: 	formname.submit();
                   1289:     }
                   1290: 
1.71      ng       1291: //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
                   1292:     function checkSubmitPage(formname,total) {
                   1293: 	noscore = new Array(100);
                   1294: 	var ptr = 0;
                   1295: 	for (i=1;i<total;i++) {
1.125     ng       1296: 	    var partid = formname["q_"+i].value;
1.127     ng       1297: 	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1298: 		var points = formname["GD_BOX"+i+"_"+partid].value;
                   1299: 		var status = formname["solved"+i+"_"+partid].value;
1.71      ng       1300: 		if (points == "" && status != "correct_by_student") {
                   1301: 		    noscore[ptr] = i;
                   1302: 		    ptr++;
                   1303: 		}
                   1304: 	    }
                   1305: 	}
                   1306: 	if (ptr != 0) {
                   1307: 	    var sense = ptr == 1 ? ": " : "s: ";
                   1308: 	    var prolist = "";
                   1309: 	    if (ptr == 1) {
                   1310: 		prolist = noscore[0];
                   1311: 	    } else {
                   1312: 		var i = 0;
                   1313: 		while (i < ptr-1) {
                   1314: 		    prolist += noscore[i]+", ";
                   1315: 		    i++;
                   1316: 		}
                   1317: 		prolist += "and "+noscore[i];
                   1318: 	    }
                   1319: 	    var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
                   1320: 	    if (resp == false) {
                   1321: 		return false;
                   1322: 	    }
                   1323: 	}
1.45      ng       1324: 
1.71      ng       1325: 	formname.submit();
                   1326:     }
                   1327: SUBJAVASCRIPT
                   1328: }
1.45      ng       1329: 
1.71      ng       1330: #--- javascript for essay type problem --
                   1331: sub sub_page_kw_js {
                   1332:     my $request = shift;
1.80      ng       1333:     my $iconpath = $request->dir_config('lonIconsURL');
1.118     ng       1334:     &commonJSfunctions($request);
1.350     albertel 1335: 
1.629     www      1336:     my $inner_js_msg_central= (<<INNERJS);
                   1337: <script type="text/javascript">
1.350     albertel 1338:     function checkInput() {
                   1339:       opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);
                   1340:       var nmsg   = opener.document.SCORE.savemsgN.value;
                   1341:       var usrctr = document.msgcenter.usrctr.value;
                   1342:       var newval = opener.document.SCORE["newmsg"+usrctr];
                   1343:       newval.value = opener.checkEntities(document.msgcenter.newmsg.value);
                   1344: 
                   1345:       var msgchk = "";
                   1346:       if (document.msgcenter.subchk.checked) {
                   1347:          msgchk = "msgsub,";
                   1348:       }
                   1349:       var includemsg = 0;
                   1350:       for (var i=1; i<=nmsg; i++) {
                   1351:           var opnmsg = opener.document.SCORE["savemsg"+i];
                   1352:           var frmmsg = document.msgcenter["msg"+i];
                   1353:           opnmsg.value = opener.checkEntities(frmmsg.value);
                   1354:           var showflg = opener.document.SCORE["shownOnce"+i];
                   1355:           showflg.value = "1";
                   1356:           var chkbox = document.msgcenter["msgn"+i];
                   1357:           if (chkbox.checked) {
                   1358:              msgchk += "savemsg"+i+",";
                   1359:              includemsg = 1;
                   1360:           }
                   1361:       }
                   1362:       if (document.msgcenter.newmsgchk.checked) {
                   1363:          msgchk += "newmsg"+usrctr;
                   1364:          includemsg = 1;
                   1365:       }
                   1366:       imgformname = opener.document.SCORE["mailicon"+usrctr];
                   1367:       imgformname.src = "$iconpath/"+((includemsg) ? "mailto.gif" : "mailbkgrd.gif");
                   1368:       var includemsg = opener.document.SCORE["includemsg"+usrctr];
                   1369:       includemsg.value = msgchk;
                   1370: 
                   1371:       self.close()
                   1372: 
                   1373:     }
1.629     www      1374: </script>
1.350     albertel 1375: INNERJS
                   1376: 
1.629     www      1377:     my $inner_js_highlight_central= (<<INNERJS);
                   1378: <script type="text/javascript">
1.351     albertel 1379:     function updateChoice(flag) {
                   1380:       opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);
                   1381:       opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);
                   1382:       opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);
                   1383:       opener.document.SCORE.refresh.value = "on";
                   1384:       if (opener.document.SCORE.keywords.value!=""){
                   1385:          opener.document.SCORE.submit();
                   1386:       }
                   1387:       self.close()
                   1388:     }
1.629     www      1389: </script>
1.351     albertel 1390: INNERJS
                   1391: 
                   1392:     my $start_page_msg_central = 
                   1393:         &Apache::loncommon::start_page('Message Central',$inner_js_msg_central,
                   1394: 				       {'js_ready'  => 1,
                   1395: 					'only_body' => 1,
                   1396: 					'bgcolor'   =>'#FFFFFF',});
                   1397:     my $end_page_msg_central = 
                   1398: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1399: 
                   1400: 
                   1401:     my $start_page_highlight_central = 
                   1402:         &Apache::loncommon::start_page('Highlight Central',
                   1403: 				       $inner_js_highlight_central,
1.350     albertel 1404: 				       {'js_ready'  => 1,
                   1405: 					'only_body' => 1,
                   1406: 					'bgcolor'   =>'#FFFFFF',});
1.351     albertel 1407:     my $end_page_highlight_central = 
1.350     albertel 1408: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1409: 
1.219     www      1410:     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.236     albertel 1411:     $docopen=~s/^document\.//;
1.652     raeburn  1412:     my %lt = &Apache::lonlocal::texthash(
                   1413:                 keyw => 'Keywords list, separated by a space. Add/delete to list if desired.',
                   1414:                 plse => 'Please select a word or group of words from document and then click this link.',
                   1415:                 adds => 'Add selection to keyword list? Edit if desired.',
                   1416:                 comp => 'Compose Message for: ',
                   1417:                 incl => 'Include',
1.656     raeburn  1418:                 type => 'Type',
1.652     raeburn  1419:                 subj => 'Subject',
                   1420:                 mesa => 'Message',
                   1421:                 new  => 'New',
                   1422:                 save => 'Save',
                   1423:                 canc => 'Cancel',
                   1424:                 kehi => 'Keyword Highlight Options',
                   1425:                 txtc => 'Text Color',
                   1426:                 font => 'Font Size',
1.656     raeburn  1427:                 fnst => 'Font Style',
1.652     raeburn  1428:              );
1.597     wenzelju 1429:     $request->print(&Apache::lonhtmlcommon::scripttag(<<SUBJAVASCRIPT));
1.45      ng       1430: 
1.44      ng       1431: //===================== Show list of keywords ====================
1.122     ng       1432:   function keywords(formname) {
1.652     raeburn  1433:     var nret = prompt("$lt{'keyw'}",formname.keywords.value);
1.44      ng       1434:     if (nret==null) return;
1.122     ng       1435:     formname.keywords.value = nret;
1.44      ng       1436: 
1.122     ng       1437:     if (formname.keywords.value != "") {
1.128     ng       1438: 	formname.refresh.value = "on";
1.122     ng       1439: 	formname.submit();
1.44      ng       1440:     }
                   1441:     return;
                   1442:   }
                   1443: 
                   1444: //===================== Script to view submitted by ==================
                   1445:   function viewSubmitter(submitter) {
                   1446:     document.SCORE.refresh.value = "on";
                   1447:     document.SCORE.NCT.value = "1";
                   1448:     document.SCORE.unamedom0.value = submitter;
                   1449:     document.SCORE.submit();
                   1450:     return;
                   1451:   }
                   1452: 
                   1453: //===================== Script to add keyword(s) ==================
                   1454:   function getSel() {
                   1455:     if (document.getSelection) txt = document.getSelection();
                   1456:     else if (document.selection) txt = document.selection.createRange().text;
                   1457:     else return;
                   1458:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
                   1459:     if (cleantxt=="") {
1.652     raeburn  1460: 	alert("$lt{'plse'}");
1.44      ng       1461: 	return;
                   1462:     }
1.652     raeburn  1463:     var nret = prompt("$lt{'adds'}",cleantxt);
1.44      ng       1464:     if (nret==null) return;
1.127     ng       1465:     document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
1.44      ng       1466:     if (document.SCORE.keywords.value != "") {
1.127     ng       1467: 	document.SCORE.refresh.value = "on";
1.44      ng       1468: 	document.SCORE.submit();
                   1469:     }
                   1470:     return;
                   1471:   }
                   1472: 
                   1473: //====================== Script for composing message ==============
1.80      ng       1474:    // preload images
                   1475:    img1 = new Image();
                   1476:    img1.src = "$iconpath/mailbkgrd.gif";
                   1477:    img2 = new Image();
                   1478:    img2.src = "$iconpath/mailto.gif";
                   1479: 
1.44      ng       1480:   function msgCenter(msgform,usrctr,fullname) {
                   1481:     var Nmsg  = msgform.savemsgN.value;
                   1482:     savedMsgHeader(Nmsg,usrctr,fullname);
                   1483:     var subject = msgform.msgsub.value;
1.127     ng       1484:     var msgchk = document.SCORE["includemsg"+usrctr].value;
1.44      ng       1485:     re = /msgsub/;
                   1486:     var shwsel = "";
                   1487:     if (re.test(msgchk)) { shwsel = "checked" }
1.123     ng       1488:     subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
                   1489:     displaySubject(checkEntities(subject),shwsel);
1.44      ng       1490:     for (var i=1; i<=Nmsg; i++) {
1.123     ng       1491: 	var testmsg = "savemsg"+i+",";
                   1492: 	re = new RegExp(testmsg,"g");
1.44      ng       1493: 	shwsel = "";
                   1494: 	if (re.test(msgchk)) { shwsel = "checked" }
1.125     ng       1495: 	var message = document.SCORE["savemsg"+i].value;
1.126     ng       1496: 	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
1.123     ng       1497: 	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
                   1498: 	                                   //any &lt; is already converted to <, etc. However, only once!!
1.44      ng       1499:     }
1.125     ng       1500:     newmsg = document.SCORE["newmsg"+usrctr].value;
1.44      ng       1501:     shwsel = "";
                   1502:     re = /newmsg/;
                   1503:     if (re.test(msgchk)) { shwsel = "checked" }
                   1504:     newMsg(newmsg,shwsel);
                   1505:     msgTail(); 
                   1506:     return;
                   1507:   }
                   1508: 
1.123     ng       1509:   function checkEntities(strx) {
                   1510:     if (strx.length == 0) return strx;
                   1511:     var orgStr = ["&", "<", ">", '"']; 
                   1512:     var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
                   1513:     var counter = 0;
                   1514:     while (counter < 4) {
                   1515: 	strx = strReplace(strx,orgStr[counter],newStr[counter]);
                   1516: 	counter++;
                   1517:     }
                   1518:     return strx;
                   1519:   }
                   1520: 
                   1521:   function strReplace(strx, orgStr, newStr) {
                   1522:     return strx.split(orgStr).join(newStr);
                   1523:   }
                   1524: 
1.44      ng       1525:   function savedMsgHeader(Nmsg,usrctr,fullname) {
1.76      ng       1526:     var height = 70*Nmsg+250;
1.44      ng       1527:     if (height > 600) {
                   1528: 	height = 600;
                   1529:     }
1.118     ng       1530:     var xpos = (screen.width-600)/2;
                   1531:     xpos = (xpos < 0) ? '0' : xpos;
                   1532:     var ypos = (screen.height-height)/2-30;
                   1533:     ypos = (ypos < 0) ? '0' : ypos;
                   1534: 
1.668     www      1535:     pWin = window.open('', 'MessageCenter', 'resizable=yes,toolbar=no,location=no,scrollbars=yes,screenx='+xpos+',screeny='+ypos+',width=700,height='+height);
1.76      ng       1536:     pWin.focus();
                   1537:     pDoc = pWin.document;
1.219     www      1538:     pDoc.$docopen;
1.351     albertel 1539:     pDoc.write('$start_page_msg_central');
1.76      ng       1540: 
                   1541:     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
                   1542:     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
1.652     raeburn  1543:     pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;$lt{'comp'}\"+fullname+\"<\\/span><\\/h3><br /><br />");
1.76      ng       1544: 
1.564     bisitz   1545:     pDoc.write('<table border="0" width="100%"><tr><td bgcolor="#777777">');
                   1546:     pDoc.write('<table border="0" width="100%"><tr bgcolor="#DDFFFF">');
1.656     raeburn  1547:     pDoc.write("<td><b>$lt{'type'}<\\/b><\\/td><td><b>$lt{'incl'}<\\/b><\\/td><td><b>$lt{'mesa'}<\\/td><\\/tr>");
1.44      ng       1548: }
                   1549:     function displaySubject(msg,shwsel) {
1.76      ng       1550:     pDoc = pWin.document;
                   1551:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.652     raeburn  1552:     pDoc.write("<td>$lt{'subj'}<\\/td>");
1.465     albertel 1553:     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1554:     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"><\\/td><\\/tr>");
1.44      ng       1555: }
                   1556: 
1.72      ng       1557:   function displaySavedMsg(ctr,msg,shwsel) {
1.76      ng       1558:     pDoc = pWin.document;
                   1559:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.465     albertel 1560:     pDoc.write("<td align=\\"center\\">"+ctr+"<\\/td>");
                   1561:     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1562:     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"<\\/textarea><\\/td><\\/tr>");
1.44      ng       1563: }
                   1564: 
                   1565:   function newMsg(newmsg,shwsel) {
1.76      ng       1566:     pDoc = pWin.document;
                   1567:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.652     raeburn  1568:     pDoc.write("<td align=\\"center\\">$lt{'new'}<\\/td>");
1.465     albertel 1569:     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1570:     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"<\\/textarea><\\/td><\\/tr>");
1.44      ng       1571: }
                   1572: 
                   1573:   function msgTail() {
1.76      ng       1574:     pDoc = pWin.document;
1.465     albertel 1575:     pDoc.write("<\\/table>");
                   1576:     pDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
1.652     raeburn  1577:     pDoc.write("<input type=\\"button\\" value=\\"$lt{'save'}\\" onclick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
                   1578:     pDoc.write("<input type=\\"button\\" value=\\"$lt{'canc'}\\" onclick=\\"self.close()\\"><br /><br />");
1.465     albertel 1579:     pDoc.write("<\\/form>");
1.351     albertel 1580:     pDoc.write('$end_page_msg_central');
1.128     ng       1581:     pDoc.close();
1.44      ng       1582: }
                   1583: 
                   1584: //====================== Script for keyword highlight options ==============
                   1585:   function kwhighlight() {
                   1586:     var kwclr    = document.SCORE.kwclr.value;
                   1587:     var kwsize   = document.SCORE.kwsize.value;
                   1588:     var kwstyle  = document.SCORE.kwstyle.value;
                   1589:     var redsel = "";
                   1590:     var grnsel = "";
                   1591:     var blusel = "";
                   1592:     if (kwclr=="red")   {var redsel="checked"};
                   1593:     if (kwclr=="green") {var grnsel="checked"};
                   1594:     if (kwclr=="blue")  {var blusel="checked"};
                   1595:     var sznsel = "";
                   1596:     var sz1sel = "";
                   1597:     var sz2sel = "";
                   1598:     if (kwsize=="0")  {var sznsel="checked"};
                   1599:     if (kwsize=="+1") {var sz1sel="checked"};
                   1600:     if (kwsize=="+2") {var sz2sel="checked"};
                   1601:     var synsel = "";
                   1602:     var syisel = "";
                   1603:     var sybsel = "";
                   1604:     if (kwstyle=="")    {var synsel="checked"};
                   1605:     if (kwstyle=="<i>") {var syisel="checked"};
                   1606:     if (kwstyle=="<b>") {var sybsel="checked"};
                   1607:     highlightCentral();
                   1608:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
                   1609:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
                   1610:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
                   1611:     highlightend();
                   1612:     return;
                   1613:   }
                   1614: 
                   1615:   function highlightCentral() {
1.76      ng       1616: //    if (window.hwdWin) window.hwdWin.close();
1.118     ng       1617:     var xpos = (screen.width-400)/2;
                   1618:     xpos = (xpos < 0) ? '0' : xpos;
                   1619:     var ypos = (screen.height-330)/2-30;
                   1620:     ypos = (ypos < 0) ? '0' : ypos;
                   1621: 
1.206     albertel 1622:     hwdWin = window.open('', 'KeywordHighlightCentral', 'resizeable=yes,toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
1.76      ng       1623:     hwdWin.focus();
                   1624:     var hDoc = hwdWin.document;
1.219     www      1625:     hDoc.$docopen;
1.351     albertel 1626:     hDoc.write('$start_page_highlight_central');
1.76      ng       1627:     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
1.652     raeburn  1628:     hDoc.write("<h3><span class=\\"LC_info\\">&nbsp;$lt{'kehi'}<\\/span><\\/h3><br /><br />");
1.76      ng       1629: 
1.564     bisitz   1630:     hDoc.write('<table border="0" width="100%"><tr><td bgcolor="#777777">');
                   1631:     hDoc.write('<table border="0" width="100%"><tr bgcolor="#DDFFFF">');
1.656     raeburn  1632:     hDoc.write("<td><b>$lt{'txtc'}<\\/b><\\/td><td><b>$lt{'font'}<\\/b><\\/td><td><b>$lt{'fnst'}<\\/td><\\/tr>");
1.44      ng       1633:   }
                   1634: 
                   1635:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
1.76      ng       1636:     var hDoc = hwdWin.document;
                   1637:     hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1638:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1639:     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"<\\/td>");
1.76      ng       1640:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1641:     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"<\\/td>");
1.76      ng       1642:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1643:     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"<\\/td>");
                   1644:     hDoc.write("<\\/tr>");
1.44      ng       1645:   }
                   1646: 
                   1647:   function highlightend() { 
1.76      ng       1648:     var hDoc = hwdWin.document;
1.465     albertel 1649:     hDoc.write("<\\/table>");
                   1650:     hDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
1.652     raeburn  1651:     hDoc.write("<input type=\\"button\\" value=\\"$lt{'save'}\\" onclick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
                   1652:     hDoc.write("<input type=\\"button\\" value=\\"$lt{'canc'}\\" onclick=\\"self.close()\\"><br /><br />");
1.465     albertel 1653:     hDoc.write("<\\/form>");
1.351     albertel 1654:     hDoc.write('$end_page_highlight_central');
1.128     ng       1655:     hDoc.close();
1.44      ng       1656:   }
                   1657: 
                   1658: SUBJAVASCRIPT
                   1659: }
                   1660: 
1.349     albertel 1661: sub get_increment {
1.348     bowersj2 1662:     my $increment = $env{'form.increment'};
                   1663:     if ($increment != 1 && $increment != .5 && $increment != .25 &&
                   1664:         $increment != .1) {
                   1665:         $increment = 1;
                   1666:     }
                   1667:     return $increment;
                   1668: }
                   1669: 
1.585     bisitz   1670: sub gradeBox_start {
                   1671:     return (
                   1672:         &Apache::loncommon::start_data_table()
                   1673:        .&Apache::loncommon::start_data_table_header_row()
                   1674:        .'<th>'.&mt('Part').'</th>'
                   1675:        .'<th>'.&mt('Points').'</th>'
                   1676:        .'<th>&nbsp;</th>'
                   1677:        .'<th>'.&mt('Assign Grade').'</th>'
                   1678:        .'<th>'.&mt('Weight').'</th>'
                   1679:        .'<th>'.&mt('Grade Status').'</th>'
                   1680:        .&Apache::loncommon::end_data_table_header_row()
                   1681:     );
                   1682: }
                   1683: 
                   1684: sub gradeBox_end {
                   1685:     return (
                   1686:         &Apache::loncommon::end_data_table()
                   1687:     );
                   1688: }
1.71      ng       1689: #--- displays the grading box, used in essay type problem and grading by page/sequence
                   1690: sub gradeBox {
1.322     albertel 1691:     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
1.381     albertel 1692:     my $checkIcon = '<img alt="'.&mt('Check Mark').
1.485     albertel 1693: 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
1.71      ng       1694:     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
1.466     albertel 1695:     my $wgtmsg = ($wgt > 0) ? &mt('(problem weight)') 
                   1696:                            : '<span class="LC_info">'.&mt('problem weight assigned by computer').'</span>';
1.71      ng       1697:     $wgt       = ($wgt > 0 ? $wgt : '1');
                   1698:     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
1.320     albertel 1699: 		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
1.71      ng       1700:     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
1.466     albertel 1701:     my $display_part= &get_display_part($partid,$symb);
1.270     albertel 1702:     my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   1703: 				       [$partid]);
                   1704:     my $aggtries = $$record{'resource.'.$partid.'.tries'};
1.269     raeburn  1705:     if ($last_resets{$partid}) {
                   1706:         $aggtries = &get_num_tries($record,$last_resets{$partid},$partid);
                   1707:     }
1.585     bisitz   1708:     $result.=&Apache::loncommon::start_data_table_row();
1.71      ng       1709:     my $ctr = 0;
1.348     bowersj2 1710:     my $thisweight = 0;
1.349     albertel 1711:     my $increment = &get_increment();
1.485     albertel 1712: 
                   1713:     my $radio.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
1.348     bowersj2 1714:     while ($thisweight<=$wgt) {
1.532     bisitz   1715: 	$radio.= '<td><span class="LC_nobreak"><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
1.589     bisitz   1716:         'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
1.348     bowersj2 1717: 	    $thisweight.')" value="'.$thisweight.'" '.
1.401     albertel 1718: 	    ($score eq $thisweight ? 'checked="checked"':'').' /> '.$thisweight."</label></span></td>\n";
1.485     albertel 1719: 	$radio.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
1.348     bowersj2 1720:         $thisweight += $increment;
1.71      ng       1721: 	$ctr++;
                   1722:     }
1.485     albertel 1723:     $radio.='</tr></table>';
                   1724: 
                   1725:     my $line.='<input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
1.71      ng       1726: 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
1.589     bisitz   1727: 	'onchange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
1.71      ng       1728: 	$wgt.')" /></td>'."\n";
1.485     albertel 1729:     $line.='<td>/'.$wgt.' '.$wgtmsg.
1.71      ng       1730: 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
1.585     bisitz   1731: 	' </td>'."\n";
                   1732:     $line.='<td><select name="GD_SEL'.$counter.'_'.$partid.'" '.
1.589     bisitz   1733: 	'onchange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
1.71      ng       1734:     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
1.485     albertel 1735: 	$line.='<option></option>'.
                   1736: 	    '<option value="excused" selected="selected">'.&mt('excused').'</option>';
1.71      ng       1737:     } else {
1.485     albertel 1738: 	$line.='<option selected="selected"></option>'.
                   1739: 	    '<option value="excused" >'.&mt('excused').'</option>';
1.71      ng       1740:     }
1.485     albertel 1741:     $line.='<option value="reset status">'.&mt('reset status').'</option></select>'."\n";
                   1742: 
                   1743: 
                   1744:     $result .= 
1.585     bisitz   1745: 	    '<td>'.$display_part.'</td><td>'.$radio.'</td><td>'.&mt('or').'</td><td>'.$line.'</td>';
                   1746:     $result.=&Apache::loncommon::end_data_table_row();
1.71      ng       1747:     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
                   1748: 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
                   1749: 	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
1.269     raeburn  1750: 	$$record{'resource.'.$partid.'.solved'}.'" />'."\n".
                   1751:         '<input type="hidden" name="totaltries'.$counter.'_'.$partid.'" value="'.
                   1752:         $$record{'resource.'.$partid.'.tries'}.'" />'."\n".
                   1753:         '<input type="hidden" name="aggtries'.$counter.'_'.$partid.'" value="'.
                   1754:         $aggtries.'" />'."\n";
1.582     raeburn  1755:     my $res_error;
                   1756:     $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record,\$res_error);
                   1757:     if ($res_error) {
                   1758:         return &navmap_errormsg();
                   1759:     }
1.318     banghart 1760:     return $result;
                   1761: }
1.322     albertel 1762: 
                   1763: sub handback_box {
1.623     www      1764:     my ($symb,$uname,$udom,$counter,$partid,$record,$res_error_pointer) = @_;
                   1765:     my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error_pointer);
1.323     banghart 1766:     my (@respids);
1.652     raeburn  1767:     my @part_response_id = &flatten_responseType($responseType);
1.375     albertel 1768:     foreach my $part_response_id (@part_response_id) {
                   1769:     	my ($part,$resp) = @{ $part_response_id };
1.323     banghart 1770:         if ($part eq $partid) {
1.375     albertel 1771:             push(@respids,$resp);
1.323     banghart 1772:         }
                   1773:     }
1.318     banghart 1774:     my $result;
1.323     banghart 1775:     foreach my $respid (@respids) {
1.322     albertel 1776: 	my $prefix = $counter.'_'.$partid.'_'.$respid.'_';
                   1777: 	my $files=&get_submitted_files($udom,$uname,$partid,$respid,$record);
                   1778: 	next if (!@$files);
1.654     raeburn  1779: 	my $file_counter = 0;
1.313     banghart 1780: 	foreach my $file (@$files) {
1.368     banghart 1781: 	    if ($file =~ /\/portfolio\//) {
1.654     raeburn  1782:                 $file_counter++;
1.368     banghart 1783:     	        my ($file_path, $file_disp) = ($file =~ m|(.+/)(.+)$|);
                   1784:     	        my ($name,$version,$ext) = &file_name_version_ext($file_disp);
                   1785:     	        $file_disp = "$name.$ext";
                   1786:     	        $file = $file_path.$file_disp;
                   1787:     	        $result.=&mt('Return commented version of [_1] to student.',
                   1788:     			 '<span class="LC_filename">'.$file_disp.'</span>');
                   1789:     	        $result.='<input type="file"   name="'.$prefix.'returndoc'.$file_counter.'" />'."\n";
1.654     raeburn  1790:     	        $result.='<input type="hidden" name="'.$prefix.'origdoc'.$file_counter.'" value="'.$file.'" /><br />'."\n";
1.368     banghart 1791: 	    }
1.322     albertel 1792: 	}
1.654     raeburn  1793:         if ($file_counter) {
                   1794:             $result .= '<input type="hidden" name="'.$prefix.'countreturndoc" value="'.$file_counter.'" />'."\n".
                   1795:                        '<span class="LC_info">'.
                   1796:                        '('.&mt('File(s) will be uploaded when you click on Save &amp; Next below.',$file_counter).')</span><br /><br />';
                   1797:         }
1.313     banghart 1798:     }
1.318     banghart 1799:     return $result;    
1.71      ng       1800: }
1.44      ng       1801: 
1.58      albertel 1802: sub show_problem {
1.382     albertel 1803:     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode,$form) = @_;
1.144     albertel 1804:     my $rendered;
1.382     albertel 1805:     my %form = ((ref($form) eq 'HASH')? %{$form} : ());
1.329     albertel 1806:     &Apache::lonxml::remember_problem_counter();
1.144     albertel 1807:     if ($mode eq 'both' or $mode eq 'text') {
                   1808: 	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
1.382     albertel 1809: 						       $env{'request.course.id'},
                   1810: 						       undef,\%form);
1.144     albertel 1811:     }
1.58      albertel 1812:     if ($removeform) {
                   1813: 	$rendered=~s|<form(.*?)>||g;
                   1814: 	$rendered=~s|</form>||g;
1.374     albertel 1815: 	$rendered=~s|(<input[^>]*name\s*=\s*"?)(\w+)("?)|$1would_have_been_$2$3|g;
1.58      albertel 1816:     }
1.144     albertel 1817:     my $companswer;
                   1818:     if ($mode eq 'both' or $mode eq 'answer') {
1.329     albertel 1819: 	&Apache::lonxml::restore_problem_counter();
1.382     albertel 1820: 	$companswer=
                   1821: 	    &Apache::loncommon::get_student_answers($symb,$uname,$udom,
                   1822: 						    $env{'request.course.id'},
                   1823: 						    %form);
1.144     albertel 1824:     }
1.58      albertel 1825:     if ($removeform) {
                   1826: 	$companswer=~s|<form(.*?)>||g;
                   1827: 	$companswer=~s|</form>||g;
1.144     albertel 1828: 	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
1.58      albertel 1829:     }
1.671   ! raeburn  1830:     my $renderheading = &mt('View of the problem');
        !          1831:     my $answerheading = &mt('Correct answer');
        !          1832:     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
        !          1833:         my $stu_fullname = $env{'form.fullname'};
        !          1834:         if ($stu_fullname eq '') {
        !          1835:             $stu_fullname = &Apache::loncommon::plainname($uname,$udom,'lastname');
        !          1836:         }
        !          1837:         my $forwhom = &nameUserString(undef,$stu_fullname,$uname,$udom);
        !          1838:         if ($forwhom ne '') {
        !          1839:             $renderheading = &mt('View of the problem for[_1]',$forwhom);
        !          1840:             $answerheading = &mt('Correct answer for[_1]',$forwhom);
        !          1841:         }
        !          1842:     }
1.468     albertel 1843:     $rendered=
1.588     bisitz   1844:         '<div class="LC_Box">'
1.671   ! raeburn  1845:        .'<h3 class="LC_hcell">'.$renderheading.'</h3>'
1.588     bisitz   1846:        .$rendered
                   1847:        .'</div>';
1.468     albertel 1848:     $companswer=
1.588     bisitz   1849:         '<div class="LC_Box">'
1.671   ! raeburn  1850:        .'<h3 class="LC_hcell">'.$answerheading.'</h3>'
1.588     bisitz   1851:        .$companswer
                   1852:        .'</div>';
1.468     albertel 1853:     my $result;
1.144     albertel 1854:     if ($mode eq 'both') {
1.588     bisitz   1855:         $result=$rendered.$companswer;
1.144     albertel 1856:     } elsif ($mode eq 'text') {
1.588     bisitz   1857:         $result=$rendered;
1.144     albertel 1858:     } elsif ($mode eq 'answer') {
1.588     bisitz   1859:         $result=$companswer;
1.144     albertel 1860:     }
1.71      ng       1861:     return $result;
1.58      albertel 1862: }
1.397     albertel 1863: 
1.396     banghart 1864: sub files_exist {
                   1865:     my ($r, $symb) = @_;
                   1866:     my @students = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.397     albertel 1867: 
1.396     banghart 1868:     foreach my $student (@students) {
                   1869:         my ($uname,$udom,$fullname) = split(/:/,$student);
1.397     albertel 1870:         my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   1871: 					      $udom,$uname);
1.396     banghart 1872:         my ($string,$timestamp)= &get_last_submission(\%record);
1.397     albertel 1873:         foreach my $submission (@$string) {
                   1874:             my ($partid,$respid) =
                   1875: 		($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
                   1876:             my $files=&get_submitted_files($udom,$uname,$partid,$respid,
                   1877: 					   \%record);
                   1878:             return 1 if (@$files);
1.396     banghart 1879:         }
                   1880:     }
1.397     albertel 1881:     return 0;
1.396     banghart 1882: }
1.397     albertel 1883: 
1.394     banghart 1884: sub download_all_link {
                   1885:     my ($r,$symb) = @_;
1.621     www      1886:     unless (&files_exist($r, $symb)) {
                   1887:        $r->print(&mt('There are currently no submitted documents.'));
                   1888:        return;
                   1889:     }
                   1890: 
1.395     albertel 1891:     my $all_students = 
                   1892: 	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
                   1893: 
                   1894:     my $parts =
                   1895: 	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
                   1896: 
1.394     banghart 1897:     my $identifier = &Apache::loncommon::get_cgi_id();
1.514     raeburn  1898:     &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students,
                   1899:                              'cgi.'.$identifier.'.symb' => $symb,
                   1900:                              'cgi.'.$identifier.'.parts' => $parts,});
1.395     albertel 1901:     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
                   1902: 	      &mt('Download All Submitted Documents').'</a>');
1.621     www      1903:     return;
                   1904: }
                   1905: 
                   1906: sub submit_download_link {
                   1907:     my ($request,$symb) = @_;
                   1908:     if (!$symb) { return ''; }
                   1909: #FIXME: Figure out which type of problem this is and provide appropriate download
                   1910:     &download_all_link($request,$symb);
1.394     banghart 1911: }
1.395     albertel 1912: 
1.432     banghart 1913: sub build_section_inputs {
                   1914:     my $section_inputs;
                   1915:     if ($env{'form.section'} eq '') {
                   1916:         $section_inputs .= '<input type="hidden" name="section" value="all" />'."\n";
                   1917:     } else {
                   1918:         my @sections = &Apache::loncommon::get_env_multiple('form.section');
1.434     albertel 1919:         foreach my $section (@sections) {
1.432     banghart 1920:             $section_inputs .= '<input type="hidden" name="section" value="'.$section.'" />'."\n";
                   1921:         }
                   1922:     }
                   1923:     return $section_inputs;
                   1924: }
                   1925: 
1.44      ng       1926: # --------------------------- show submissions of a student, option to grade 
                   1927: sub submission {
1.608     www      1928:     my ($request,$counter,$total,$symb) = @_;
1.257     albertel 1929:     my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
                   1930:     $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
                   1931:     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
                   1932:     $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq '';
1.608     www      1933: 
1.605     www      1934:     my $probtitle=&Apache::lonnet::gettitle($symb); 
1.324     albertel 1935:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
1.104     albertel 1936: 
                   1937:     if (!&canview($usec)) {
1.398     albertel 1938: 	$request->print('<span class="LC_warning">Unable to view requested student.('.
                   1939: 			$uname.':'.$udom.' in section '.$usec.' in course id '.
                   1940: 			$env{'request.course.id'}.')</span>');
1.104     albertel 1941: 	return;
                   1942:     }
                   1943: 
1.257     albertel 1944:     if (!$env{'form.lastSub'}) { $env{'form.lastSub'} = 'datesub'; }
                   1945:     if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; }
                   1946:     if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; }
                   1947:     my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.381     albertel 1948:     my $checkIcon = '<img alt="'.&mt('Check Mark').
                   1949: 	'" src="'.$request->dir_config('lonIconsURL').
1.122     ng       1950: 	'/check.gif" height="16" border="0" />';
1.41      ng       1951: 
1.426     albertel 1952:     my %old_essays;
1.41      ng       1953:     # header info
                   1954:     if ($counter == 0) {
                   1955: 	&sub_page_js($request);
1.621     www      1956: 	&sub_page_kw_js($request);
1.118     ng       1957: 
1.44      ng       1958: 	# option to display problem, only once else it cause problems 
                   1959:         # with the form later since the problem has a form.
1.257     albertel 1960: 	if ($env{'form.vProb'} eq 'yes' or $env{'form.vAns'} eq 'yes') {
1.144     albertel 1961: 	    my $mode;
1.257     albertel 1962: 	    if ($env{'form.vProb'} eq 'yes' && $env{'form.vAns'} eq 'yes') {
1.144     albertel 1963: 		$mode='both';
1.257     albertel 1964: 	    } elsif ($env{'form.vProb'} eq 'yes') {
1.144     albertel 1965: 		$mode='text';
1.257     albertel 1966: 	    } elsif ($env{'form.vAns'} eq 'yes') {
1.144     albertel 1967: 		$mode='answer';
                   1968: 	    }
1.329     albertel 1969: 	    &Apache::lonxml::clear_problem_counter();
1.144     albertel 1970: 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
1.41      ng       1971: 	}
1.441     www      1972: 
1.44      ng       1973: 	# kwclr is the only variable that is guaranteed to be non blank 
                   1974:         # if this subroutine has been called once.
1.41      ng       1975: 	my %keyhash = ();
1.624     www      1976: #	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
                   1977:         if (1) {
1.41      ng       1978: 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel 1979: 					     $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1980: 					     $env{'course.'.$env{'request.course.id'}.'.num'});
1.41      ng       1981: 
1.257     albertel 1982: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                   1983: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                   1984: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                   1985: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                   1986: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                   1987: 	    $env{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
1.605     www      1988: 		$keyhash{$symb.'_subject'} : $probtitle;
1.257     albertel 1989: 	    $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
1.41      ng       1990: 	}
1.257     albertel 1991: 	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
1.442     banghart 1992: 	my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.303     banghart 1993: 	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
1.41      ng       1994: 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
1.442     banghart 1995: 			'<input type="hidden" name="Status"     value="'.$stu_status.'" />'."\n".
1.120     ng       1996: 			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
1.41      ng       1997: 			'<input type="hidden" name="refresh"    value="off" />'."\n".
1.120     ng       1998: 			'<input type="hidden" name="studentNo"  value="" />'."\n".
                   1999: 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
1.418     albertel 2000: 			'<input type="hidden" name="symb"       value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 2001: 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
                   2002: 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
                   2003: 			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
1.432     banghart 2004: 			&build_section_inputs().
1.326     albertel 2005: 			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
1.41      ng       2006: 			'<input type="hidden" name="NCT"'.
1.257     albertel 2007: 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
1.624     www      2008: #	if ($env{'form.handgrade'} eq 'yes') {
                   2009:         if (1) {
1.257     albertel 2010: 	    $request->print('<input type="hidden" name="keywords" value="'.$env{'form.keywords'}.'" />'."\n".
                   2011: 			    '<input type="hidden" name="kwclr"    value="'.$env{'form.kwclr'}.'" />'."\n".
                   2012: 			    '<input type="hidden" name="kwsize"   value="'.$env{'form.kwsize'}.'" />'."\n".
                   2013: 			    '<input type="hidden" name="kwstyle"  value="'.$env{'form.kwstyle'}.'" />'."\n".
                   2014: 			    '<input type="hidden" name="msgsub"   value="'.$env{'form.msgsub'}.'" />'."\n".
1.123     ng       2015: 			    '<input type="hidden" name="shownSub" value="0" />'."\n".
1.257     albertel 2016: 			    '<input type="hidden" name="savemsgN" value="'.$env{'form.savemsgN'}.'" />'."\n");
1.154     albertel 2017: 	    foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
                   2018: 		$request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
                   2019: 	    }
1.123     ng       2020: 	}
1.41      ng       2021: 	
                   2022: 	my ($cts,$prnmsg) = (1,'');
1.257     albertel 2023: 	while ($cts <= $env{'form.savemsgN'}) {
1.41      ng       2024: 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
1.123     ng       2025: 		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
1.257     albertel 2026: 		 &Apache::lonfeedback::clear_out_html($env{'form.savemsg'.$cts}) :
1.80      ng       2027: 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
1.123     ng       2028: 		'" />'."\n".
                   2029: 		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
1.41      ng       2030: 	    $cts++;
                   2031: 	}
                   2032: 	$request->print($prnmsg);
1.32      ng       2033: 
1.624     www      2034: #	if ($env{'form.handgrade'} eq 'yes') {
                   2035:         if (1) {
1.652     raeburn  2036: 
                   2037:             my %lt = &Apache::lonlocal::texthash(
                   2038:                           keyw => 'Keyword Options',
1.655     raeburn  2039:                           list => 'List',
1.652     raeburn  2040:                           past => 'Paste Selection to List',
1.661     www      2041:                           high => 'Highlight Attribute',
1.652     raeburn  2042:                      );    
1.88      www      2043: #
                   2044: # Print out the keyword options line
                   2045: #
1.41      ng       2046: 	    $request->print(<<KEYWORDS);
1.652     raeburn  2047: <br /><b>$lt{'keyw'}:</b>&nbsp;
1.655     raeburn  2048: <a href="javascript:keywords(document.SCORE);" target="_self">$lt{'list'}</a>&nbsp; &nbsp;
1.589     bisitz   2049: <a href="#" onmousedown="javascript:getSel(); return false"
1.652     raeburn  2050:  CLASS="page">$lt{'past'}</a>&nbsp; &nbsp;
                   2051: <a href="javascript:kwhighlight();" target="_self">$lt{'high'}</a><br /><br />
1.38      ng       2052: KEYWORDS
1.88      www      2053: #
                   2054: # Load the other essays for similarity check
                   2055: #
1.324     albertel 2056:             my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb);
1.384     albertel 2057: 	    my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
1.359     www      2058: 	    $apath=&escape($apath);
1.88      www      2059: 	    $apath=~s/\W/\_/gs;
1.426     albertel 2060: 	    %old_essays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
1.41      ng       2061:         }
                   2062:     }
1.44      ng       2063: 
1.441     www      2064: # This is where output for one specific student would start
1.592     bisitz   2065:     my $add_class = ($counter%2) ? ' LC_grade_show_user_odd_row' : '';
                   2066:     $request->print(
                   2067:         "\n\n"
                   2068:        .'<div class="LC_grade_show_user'.$add_class.'">'
                   2069:        .'<h2>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'</h2>'
                   2070:        ."\n"
                   2071:     );
1.441     www      2072: 
1.592     bisitz   2073:     # Show additional functions if allowed
                   2074:     if ($perm{'vgr'}) {
                   2075:         $request->print(
                   2076:             &Apache::loncommon::track_student_link(
                   2077:                 &mt('View recent activity'),
                   2078:                 $uname,$udom,'check')
                   2079:            .' '
                   2080:         );
                   2081:     }
                   2082:     if ($perm{'opa'}) {
                   2083:         $request->print(
                   2084:             &Apache::loncommon::pprmlink(
                   2085:                 &mt('Set/Change parameters'),
                   2086:                 $uname,$udom,$symb,'check'));
                   2087:     }
                   2088: 
                   2089:     # Show Problem
1.257     albertel 2090:     if ($env{'form.vProb'} eq 'all' or $env{'form.vAns'} eq 'all') {
1.144     albertel 2091: 	my $mode;
1.257     albertel 2092: 	if ($env{'form.vProb'} eq 'all' && $env{'form.vAns'} eq 'all') {
1.144     albertel 2093: 	    $mode='both';
1.257     albertel 2094: 	} elsif ($env{'form.vProb'} eq 'all' ) {
1.144     albertel 2095: 	    $mode='text';
1.257     albertel 2096: 	} elsif ($env{'form.vAns'} eq 'all') {
1.144     albertel 2097: 	    $mode='answer';
                   2098: 	}
1.329     albertel 2099: 	&Apache::lonxml::clear_problem_counter();
1.475     albertel 2100: 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,{'request.prefix' => 'ctr'.$counter}));
1.58      albertel 2101:     }
1.144     albertel 2102: 
1.257     albertel 2103:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.582     raeburn  2104:     my $res_error;
                   2105:     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
                   2106:     if ($res_error) {
                   2107:         $request->print(&navmap_errormsg());
                   2108:         return;
                   2109:     }
1.41      ng       2110: 
1.44      ng       2111:     # Display student info
1.41      ng       2112:     $request->print(($counter == 0 ? '' : '<br />'));
1.590     bisitz   2113: 
                   2114:     my $result='<div class="LC_Box">'
                   2115:               .'<h3 class="LC_hcell">'.&mt('Submissions').'</h3>';
1.45      ng       2116:     $result.='<input type="hidden" name="name'.$counter.
1.588     bisitz   2117:              '" value="'.$env{'form.fullname'}.'" />'."\n";
1.624     www      2118: #    if ($env{'form.handgrade'} eq 'no') {
                   2119:     if (1) {
1.588     bisitz   2120:         $result.='<p class="LC_info">'
                   2121:                 .&mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)
                   2122:                 ."</p>\n";
1.469     albertel 2123:     }
                   2124: 
1.118     ng       2125:     # If any part of the problem is an essay-response (handgraded), then check for collaborators
1.464     albertel 2126:     my $fullname;
                   2127:     my $col_fullnames = [];
1.624     www      2128: #    if ($env{'form.handgrade'} eq 'yes') {
                   2129:     if (1) {
1.464     albertel 2130: 	(my $sub_result,$fullname,$col_fullnames)=
                   2131: 	    &check_collaborators($symb,$uname,$udom,\%record,$handgrade,
                   2132: 				 $counter);
                   2133: 	$result.=$sub_result;
1.41      ng       2134:     }
1.44      ng       2135:     $request->print($result."\n");
1.588     bisitz   2136: 
1.44      ng       2137:     # print student answer/submission
1.588     bisitz   2138:     # Options are (1) Handgraded submission only
1.44      ng       2139:     #             (2) Last submission, includes submission that is not handgraded 
                   2140:     #                  (for multi-response type part)
                   2141:     #             (3) Last submission plus the parts info
                   2142:     #             (4) The whole record for this student
1.257     albertel 2143:     if ($env{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
1.151     albertel 2144: 	my ($string,$timestamp)= &get_last_submission(\%record);
1.468     albertel 2145: 	
                   2146: 	my $lastsubonly;
                   2147: 
1.588     bisitz   2148:         if ($$timestamp eq '') {
                   2149:             $lastsubonly.='<div class="LC_grade_submissions_body">'.$$string[0].'</div>'; 
                   2150:         } else {
1.592     bisitz   2151:             $lastsubonly =
                   2152:                 '<div class="LC_grade_submissions_body">'
                   2153:                .'<b>'.&mt('Date Submitted:').'</b> '.$$timestamp."\n";
1.468     albertel 2154: 
1.151     albertel 2155: 	    my %seenparts;
1.375     albertel 2156: 	    my @part_response_id = &flatten_responseType($responseType);
                   2157: 	    foreach my $part (@part_response_id) {
1.393     albertel 2158: 		next if ($env{'form.lastSub'} eq 'hdgrade' 
                   2159: 			 && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes');
                   2160: 
1.375     albertel 2161: 		my ($partid,$respid) = @{ $part };
1.324     albertel 2162: 		my $display_part=&get_display_part($partid,$symb);
1.257     albertel 2163: 		if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
1.151     albertel 2164: 		    if (exists($seenparts{$partid})) { next; }
                   2165: 		    $seenparts{$partid}=1;
1.207     albertel 2166: 		    my $submitby='<b>Part:</b> '.$display_part.
                   2167: 			' <b>Collaborative submission by:</b> '.
1.151     albertel 2168: 			'<a href="javascript:viewSubmitter(\''.
1.257     albertel 2169: 			$env{"form.$uname:$udom:$partid:submitted_by"}.
1.417     albertel 2170: 			'\');" target="_self">'.
1.257     albertel 2171: 			$$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
1.151     albertel 2172: 		    $request->print($submitby);
                   2173: 		    next;
                   2174: 		}
                   2175: 		my $responsetype = $responseType->{$partid}->{$respid};
                   2176: 		if (!exists($record{"resource.$partid.$respid.submission"})) {
1.577     bisitz   2177:                     $lastsubonly.="\n".'<div class="LC_grade_submission_part">'.
                   2178:                         '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
                   2179:                         ' <span class="LC_internal_info">'.
1.623     www      2180:                         '('.&mt('Response ID: [_1]',$respid).')'.
1.577     bisitz   2181:                         '</span>&nbsp; &nbsp;'.
1.539     riegler  2182: 			'<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span><br /><br /></div>';
1.151     albertel 2183: 		    next;
                   2184: 		}
1.468     albertel 2185: 		foreach my $submission (@$string) {
                   2186: 		    my ($partid,$respid) = ($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
1.375     albertel 2187: 		    if (join('_',@{$part}) ne ($partid.'_'.$respid)) { next; }
1.596     raeburn  2188: 		    my ($ressub,$hide,$subval) = split(/:/,$submission,3);
1.151     albertel 2189: 		    # Similarity check
                   2190: 		    my $similar='';
1.640     raeburn  2191:                     my ($type,$trial,$rndseed);
                   2192:                     if ($hide eq 'rand') {
                   2193:                         $type = 'randomizetry';
                   2194:                         $trial = $record{"resource.$partid.tries"};
                   2195:                         $rndseed = $record{"resource.$partid.rndseed"};
                   2196:                     }
1.257     albertel 2197: 		    if($env{'form.checkPlag'}){
1.151     albertel 2198: 			my ($oname,$odom,$ocrsid,$oessay,$osim)=
1.426     albertel 2199: 			    &most_similar($uname,$udom,$subval,\%old_essays);
1.151     albertel 2200: 			if ($osim) {
                   2201: 			    $osim=int($osim*100.0);
1.426     albertel 2202: 			    my %old_course_desc = 
                   2203: 				&Apache::lonnet::coursedescription($ocrsid,
                   2204: 								   {'one_time' => 1});
                   2205: 
1.640     raeburn  2206:                             if ($hide eq 'anon') {
1.596     raeburn  2207:                                 $similar='<hr /><span class="LC_warning">'.&mt("Essay was found to be similar to another essay submitted for this assignment.").'<br />'.
                   2208:                                          &mt('As the current submission is for an anonymous survey, no other details are available.').'</span><hr />';
                   2209:                             } else {
                   2210: 			        $similar="<hr /><h3><span class=\"LC_warning\">".
                   2211: 				    &mt('Essay is [_1]% similar to an essay by [_2] in course [_3] (course id [_4]:[_5])',
                   2212: 				        $osim,
                   2213: 				        &Apache::loncommon::plainname($oname,$odom).' ('.$oname.':'.$odom.')',
                   2214: 				        $old_course_desc{'description'},
                   2215: 				        $old_course_desc{'num'},
                   2216: 				        $old_course_desc{'domain'}).
                   2217: 				    '</span></h3><blockquote><i>'.
                   2218: 				    &keywords_highlight($oessay).
                   2219: 				    '</i></blockquote><hr />';
                   2220:                             }
1.151     albertel 2221: 			}
1.150     albertel 2222: 		    }
1.640     raeburn  2223: 		    my $order=&get_order($partid,$respid,$symb,$uname,$udom,
                   2224:                                          undef,$type,$trial,$rndseed);
1.257     albertel 2225: 		    if ($env{'form.lastSub'} eq 'lastonly' || 
                   2226: 			($env{'form.lastSub'} eq 'hdgrade' && 
1.377     albertel 2227: 			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
1.324     albertel 2228: 			my $display_part=&get_display_part($partid,$symb);
1.577     bisitz   2229:                         $lastsubonly.='<div class="LC_grade_submission_part">'.
                   2230:                             '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
                   2231:                             ' <span class="LC_internal_info">'.
1.623     www      2232:                             '('.&mt('Response ID: [_1]',$respid).')'.
1.597     wenzelju 2233:                             '</span>&nbsp; &nbsp;';
1.313     banghart 2234: 			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
                   2235: 			if (@$files) {
1.640     raeburn  2236:                             if ($hide eq 'anon') {
1.596     raeburn  2237:                                 $lastsubonly.='<br />'.&mt('[quant,_1,file] uploaded to this anonymous survey',scalar(@{$files}));
                   2238:                             } else {
                   2239:                                 $lastsubonly.='<br /><span class="LC_warning">'.&mt('Like all files provided by users, this file may contain viruses').'</span><br />';
                   2240:                                 foreach my $file (@$files) {
                   2241:                                     &Apache::lonnet::allowuploaded('/adm/grades',$file);
                   2242:                                     $lastsubonly.='<br /><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border="0" /> '.$file.'</a>';
                   2243:                                 }
                   2244:                             }
1.236     albertel 2245: 			    $lastsubonly.='<br />';
1.41      ng       2246: 			}
1.640     raeburn  2247:                         if ($hide eq 'anon') {
1.596     raeburn  2248:                             $lastsubonly.='<b>'.&mt('Anonymous Survey').'</b>'; 
                   2249:                         } else {
                   2250: 			    $lastsubonly.='<b>'.&mt('Submitted Answer:').' </b>'.
                   2251: 			        &cleanRecord($subval,$responsetype,$symb,$partid,
1.640     raeburn  2252: 					     $respid,\%record,$order,undef,$uname,$udom,$type,$trial,$rndseed);
1.596     raeburn  2253:                         }
1.151     albertel 2254: 			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
1.468     albertel 2255: 			$lastsubonly.='</div>';
1.41      ng       2256: 		    }
                   2257: 		}
                   2258: 	    }
1.588     bisitz   2259: 	    $lastsubonly.='</div>'."\n"; # End: LC_grade_submissions_body
1.151     albertel 2260: 	}
                   2261: 	$request->print($lastsubonly);
1.468     albertel 2262:    } elsif ($env{'form.lastSub'} eq 'datesub') {
1.623     www      2263:         my ($parts,$handgrade,$responseType) = &response_type($symb,\$res_error);
1.148     albertel 2264: 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
1.257     albertel 2265:     } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
1.41      ng       2266: 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
1.257     albertel 2267: 								 $env{'request.course.id'},
1.44      ng       2268: 								 $last,'.submission',
                   2269: 								 'Apache::grades::keywords_highlight'));
1.41      ng       2270:     }
1.121     ng       2271:     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
                   2272: 	.$udom.'" />'."\n");
1.44      ng       2273:     # return if view submission with no grading option
1.618     www      2274:     if (!&canmodify($usec)) {
1.633     www      2275: 	$request->print('<p><span class="LC_warning">'.&mt('No grading privileges').'</span></p></div>');
1.41      ng       2276: 	return;
1.180     albertel 2277:     } else {
1.468     albertel 2278: 	$request->print('</div>'."\n");
1.41      ng       2279:     }
1.33      ng       2280: 
1.121     ng       2281:     # essay grading message center
1.624     www      2282: #    if ($env{'form.handgrade'} eq 'yes') {
                   2283:     if (1) {
1.468     albertel 2284: 	my $result='<div class="LC_grade_message_center">';
                   2285:     
                   2286: 	$result.='<div class="LC_grade_message_center_header">'.
                   2287: 	    &mt('Send Message').'</div><div class="LC_grade_message_center_body">';
1.257     albertel 2288: 	my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
1.118     ng       2289: 	my $msgfor = $givenn.' '.$lastname;
1.464     albertel 2290: 	if (scalar(@$col_fullnames) > 0) {
                   2291: 	    my $lastone = pop(@$col_fullnames);
                   2292: 	    $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.';
1.118     ng       2293: 	}
                   2294: 	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
1.468     albertel 2295: 	$result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
1.121     ng       2296: 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
                   2297: 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
1.417     albertel 2298: 	    ',\''.$msgfor.'\');" target="_self">'.
1.464     albertel 2299: 	    &mt('Compose message to student').(scalar(@$col_fullnames) >= 1 ? 's' : '').'</a><label> ('.
1.350     albertel 2300: 	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
1.118     ng       2301: 	    '<img src="'.$request->dir_config('lonIconsURL').
                   2302: 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
1.298     www      2303: 	    '<br />&nbsp;('.
1.468     albertel 2304: 	    &mt('Message will be sent when you click on Save &amp; Next below.').")\n";
                   2305: 	$result.='</div></div>';
1.121     ng       2306: 	$request->print($result);
1.118     ng       2307:     }
1.41      ng       2308: 
                   2309:     my %seen = ();
                   2310:     my @partlist;
1.129     ng       2311:     my @gradePartRespid;
1.375     albertel 2312:     my @part_response_id = &flatten_responseType($responseType);
1.585     bisitz   2313:     $request->print(
1.588     bisitz   2314:         '<div class="LC_Box">'
                   2315:        .'<h3 class="LC_hcell">'.&mt('Assign Grades').'</h3>'
1.585     bisitz   2316:     );
1.592     bisitz   2317:     $request->print(&gradeBox_start());
1.375     albertel 2318:     foreach my $part_response_id (@part_response_id) {
                   2319:     	my ($partid,$respid) = @{ $part_response_id };
                   2320: 	my $part_resp = join('_',@{ $part_response_id });
1.322     albertel 2321: 	next if ($seen{$partid} > 0);
1.41      ng       2322: 	$seen{$partid}++;
1.393     albertel 2323: 	next if ($$handgrade{$part_resp} ne 'yes' 
                   2324: 		 && $env{'form.lastSub'} eq 'hdgrade');
1.524     raeburn  2325: 	push(@partlist,$partid);
                   2326: 	push(@gradePartRespid,$partid.'.'.$respid);
1.322     albertel 2327: 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
1.41      ng       2328:     }
1.585     bisitz   2329:     $request->print(&gradeBox_end()); # </div>
                   2330:     $request->print('</div>');
1.468     albertel 2331: 
                   2332:     $request->print('<div class="LC_grade_info_links">');
                   2333:     $request->print('</div>');
                   2334: 
1.45      ng       2335:     $result='<input type="hidden" name="partlist'.$counter.
                   2336: 	'" value="'.(join ":",@partlist).'" />'."\n";
1.129     ng       2337:     $result.='<input type="hidden" name="gradePartRespid'.
                   2338: 	'" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
1.45      ng       2339:     my $ctr = 0;
                   2340:     while ($ctr < scalar(@partlist)) {
                   2341: 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
                   2342: 	    $partlist[$ctr].'" />'."\n";
                   2343: 	$ctr++;
                   2344:     }
1.468     albertel 2345:     $request->print($result.''."\n");
1.41      ng       2346: 
1.441     www      2347: # Done with printing info for one student
                   2348: 
1.468     albertel 2349:     $request->print('</div>');#LC_grade_show_user
1.441     www      2350: 
                   2351: 
1.41      ng       2352:     # print end of form
                   2353:     if ($counter == $total) {
1.592     bisitz   2354:         my $endform='<br /><hr /><table border="0"><tr><td>'."\n";
1.485     albertel 2355: 	$endform.='<input type="button" value="'.&mt('Save &amp; Next').'" '.
1.589     bisitz   2356: 	    'onclick="javascript:checksubmit(this.form,\'Save & Next\','.
1.417     albertel 2357: 	    $total.','.scalar(@partlist).');" target="_self" /> &nbsp;'."\n";
1.119     ng       2358: 	my $ntstu ='<select name="NTSTU">'.
                   2359: 	    '<option>1</option><option>2</option>'.
                   2360: 	    '<option>3</option><option>5</option>'.
                   2361: 	    '<option>7</option><option>10</option></select>'."\n";
1.257     albertel 2362: 	my $nsel = ($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : '1');
1.401     albertel 2363: 	$ntstu =~ s/<option>$nsel</<option selected="selected">$nsel</;
1.578     raeburn  2364:         $endform.=&mt('[_1]student(s)',$ntstu);
1.485     albertel 2365: 	$endform.='&nbsp;&nbsp;<input type="button" value="'.&mt('Previous').'" '.
1.589     bisitz   2366: 	    'onclick="javascript:checksubmit(this.form,\'Previous\');" target="_self" /> &nbsp;'."\n".
1.485     albertel 2367: 	    '<input type="button" value="'.&mt('Next').'" '.
1.589     bisitz   2368: 	    'onclick="javascript:checksubmit(this.form,\'Next\');" target="_self" /> &nbsp;';
1.592     bisitz   2369:         $endform.='<span class="LC_warning">'.
                   2370:                   &mt('(Next and Previous (student) do not save the scores.)').
                   2371:                   '</span>'."\n" ;
1.349     albertel 2372:         $endform.="<input type='hidden' value='".&get_increment().
1.348     bowersj2 2373:             "' name='increment' />";
1.485     albertel 2374: 	$endform.='</td></tr></table></form>';
1.41      ng       2375: 	$request->print($endform);
                   2376:     }
                   2377:     return '';
1.38      ng       2378: }
                   2379: 
1.464     albertel 2380: sub check_collaborators {
                   2381:     my ($symb,$uname,$udom,$record,$handgrade,$counter) = @_;
                   2382:     my ($result,@col_fullnames);
                   2383:     my ($classlist,undef,$fullname) = &getclasslist('all','0');
                   2384:     foreach my $part (keys(%$handgrade)) {
                   2385: 	my $ncol = &Apache::lonnet::EXT('resource.'.$part.
                   2386: 					'.maxcollaborators',
                   2387: 					$symb,$udom,$uname);
                   2388: 	next if ($ncol <= 0);
                   2389: 	$part =~ s/\_/\./g;
                   2390: 	next if ($record->{'resource.'.$part.'.collaborators'} eq '');
                   2391: 	my (@good_collaborators, @bad_collaborators);
                   2392: 	foreach my $possible_collaborator
1.630     www      2393: 	    (split(/[,;\s]+/,$record->{'resource.'.$part.'.collaborators'})) { 
1.464     albertel 2394: 	    $possible_collaborator =~ s/[\$\^\(\)]//g;
                   2395: 	    next if ($possible_collaborator eq '');
1.631     www      2396: 	    my ($co_name,$co_dom) = split(/:/,$possible_collaborator);
1.464     albertel 2397: 	    $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
                   2398: 	    next if ($co_name eq $uname && $co_dom eq $udom);
                   2399: 	    # Doing this grep allows 'fuzzy' specification
                   2400: 	    my @matches = grep(/^\Q$co_name\E:\Q$co_dom\E$/i, 
                   2401: 			       keys(%$classlist));
                   2402: 	    if (! scalar(@matches)) {
                   2403: 		push(@bad_collaborators, $possible_collaborator);
                   2404: 	    } else {
                   2405: 		push(@good_collaborators, @matches);
                   2406: 	    }
                   2407: 	}
                   2408: 	if (scalar(@good_collaborators) != 0) {
1.630     www      2409: 	    $result.='<br />'.&mt('Collaborators:').'<ol>';
1.464     albertel 2410: 	    foreach my $name (@good_collaborators) {
                   2411: 		my ($lastname,$givenn) = split(/,/,$$fullname{$name});
                   2412: 		push(@col_fullnames, $givenn.' '.$lastname);
1.630     www      2413: 		$result.='<li>'.$fullname->{$name}.'</li>';
1.464     albertel 2414: 	    }
1.630     www      2415: 	    $result.='</ol><br />'."\n";
1.466     albertel 2416: 	    my ($part)=split(/\./,$part);
1.464     albertel 2417: 	    $result.='<input type="hidden" name="collaborator'.$counter.
                   2418: 		'" value="'.$part.':'.(join ':',@good_collaborators).'" />'.
                   2419: 		"\n";
                   2420: 	}
                   2421: 	if (scalar(@bad_collaborators) > 0) {
1.466     albertel 2422: 	    $result.='<div class="LC_warning">';
1.464     albertel 2423: 	    $result.=&mt('This student has submitted [quant,_1,invalid collaborator]: [_2]',scalar(@bad_collaborators),join(', ',@bad_collaborators));
                   2424: 	    $result .= '</div>';
                   2425: 	}         
                   2426: 	if (scalar(@bad_collaborators > $ncol)) {
1.466     albertel 2427: 	    $result .= '<div class="LC_warning">';
1.464     albertel 2428: 	    $result .= &mt('This student has submitted too many '.
                   2429: 		'collaborators.  Maximum is [_1].',$ncol);
                   2430: 	    $result .= '</div>';
                   2431: 	}
                   2432:     }
                   2433:     return ($result,$fullname,\@col_fullnames);
                   2434: }
                   2435: 
1.44      ng       2436: #--- Retrieve the last submission for all the parts
1.38      ng       2437: sub get_last_submission {
1.119     ng       2438:     my ($returnhash)=@_;
1.596     raeburn  2439:     my (@string,$timestamp,%lasthidden);
1.119     ng       2440:     if ($$returnhash{'version'}) {
1.46      ng       2441: 	my %lasthash=();
                   2442: 	my ($version);
1.119     ng       2443: 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
1.397     albertel 2444: 	    foreach my $key (sort(split(/\:/,
                   2445: 					$$returnhash{$version.':keys'}))) {
                   2446: 		$lasthash{$key}=$$returnhash{$version.':'.$key};
                   2447: 		$timestamp = 
1.545     raeburn  2448: 		    &Apache::lonlocal::locallocaltime($$returnhash{$version.':timestamp'});
1.46      ng       2449: 	    }
                   2450: 	}
1.640     raeburn  2451:         my (%typeparts,%randombytry);
1.596     raeburn  2452:         my $showsurv = 
                   2453:             &Apache::lonnet::allowed('vas',$env{'request.course.id'});
                   2454:         foreach my $key (sort(keys(%lasthash))) {
                   2455:             if ($key =~ /\.type$/) {
                   2456:                 if (($lasthash{$key} eq 'anonsurvey') || 
1.640     raeburn  2457:                     ($lasthash{$key} eq 'anonsurveycred') ||
                   2458:                     ($lasthash{$key} eq 'randomizetry')) {
1.596     raeburn  2459:                     my ($ign,@parts) = split(/\./,$key);
                   2460:                     pop(@parts);
1.641     raeburn  2461:                     my $id = join('.',@parts);
1.640     raeburn  2462:                     if ($lasthash{$key} eq 'randomizetry') {
                   2463:                         $randombytry{$ign.'.'.$id} = $lasthash{$key};
                   2464:                     } else {
                   2465:                         unless ($showsurv) {
                   2466:                             $typeparts{$ign.'.'.$id} = $lasthash{$key};
                   2467:                         }
1.596     raeburn  2468:                     }
                   2469:                     delete($lasthash{$key});
                   2470:                 }
                   2471:             }
                   2472:         }
                   2473:         my @hidden = keys(%typeparts);
1.640     raeburn  2474:         my @randomize = keys(%randombytry);
1.397     albertel 2475: 	foreach my $key (keys(%lasthash)) {
                   2476: 	    next if ($key !~ /\.submission$/);
1.596     raeburn  2477:             my $hide;
                   2478:             if (@hidden) {
                   2479:                 foreach my $id (@hidden) {
                   2480:                     if ($key =~ /^\Q$id\E/) {
1.640     raeburn  2481:                         $hide = 'anon';
1.596     raeburn  2482:                         last;
                   2483:                     }
                   2484:                 }
                   2485:             }
1.640     raeburn  2486:             unless ($hide) {
                   2487:                 if (@randomize) {
                   2488:                     foreach my $id (@hidden) {
                   2489:                         if ($key =~ /^\Q$id\E/) {
                   2490:                             $hide = 'rand';
                   2491:                             last;
                   2492:                         }
                   2493:                     }
                   2494:                 }
                   2495:             }
1.397     albertel 2496: 	    my ($partid,$foo) = split(/submission$/,$key);
                   2497: 	    my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
1.398     albertel 2498: 		'<span class="LC_warning">Draft Copy</span> ' : '';
1.596     raeburn  2499: 	    push(@string, join(':', $key, $hide, $draft.$lasthash{$key}));
1.41      ng       2500: 	}
                   2501:     }
1.397     albertel 2502:     if (!@string) {
                   2503: 	$string[0] =
1.539     riegler  2504: 	    '<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span>';
1.397     albertel 2505:     }
                   2506:     return (\@string,\$timestamp);
1.38      ng       2507: }
1.35      ng       2508: 
1.44      ng       2509: #--- High light keywords, with style choosen by user.
1.38      ng       2510: sub keywords_highlight {
1.44      ng       2511:     my $string    = shift;
1.257     albertel 2512:     my $size      = $env{'form.kwsize'} eq '0' ? '' : 'size='.$env{'form.kwsize'};
                   2513:     my $styleon   = $env{'form.kwstyle'} eq ''  ? '' : $env{'form.kwstyle'};
1.41      ng       2514:     (my $styleoff = $styleon) =~ s/\</\<\//;
1.257     albertel 2515:     my @keylist   = split(/[,\s+]/,$env{'form.keywords'});
1.398     albertel 2516:     foreach my $keyword (@keylist) {
                   2517: 	$string =~ s/\b\Q$keyword\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$keyword$styleoff<\/font>/gi;
1.41      ng       2518:     }
                   2519:     return $string;
1.38      ng       2520: }
1.36      ng       2521: 
1.671   ! raeburn  2522: # For Tasks provide a mechanism to display previous version for one specific student
        !          2523: 
        !          2524: sub show_previous_task_version {
        !          2525:     my ($request,$symb) = @_;
        !          2526:     if ($symb eq '') {
        !          2527:         $request->print("Unable to handle ambiguous references.");
        !          2528: 
        !          2529:         return '';
        !          2530:     }
        !          2531:     my ($uname,$udom) = ($env{'form.student'},$env{'form.userdom'});
        !          2532:     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
        !          2533:     if (!&canview($usec)) {
        !          2534:         $request->print('<span class="LC_warning">Unable to view previous version for requested student.('.
        !          2535:                         $uname.':'.$udom.' in section '.$usec.' in course id '.
        !          2536:                         $env{'request.course.id'}.')</span>');
        !          2537:         return;
        !          2538:     }
        !          2539:     my $mode = 'both';
        !          2540:     my $isTask = ($symb =~/\.task$/);
        !          2541:     if ($isTask) {
        !          2542:         if ($env{'form.previousversion'} =~ /^\d+$/) {
        !          2543:             if ($env{'form.fullname'} eq '') {
        !          2544:                 $env{'form.fullname'} =
        !          2545:                     &Apache::loncommon::plainname($uname,$udom,'lastname');
        !          2546:             }
        !          2547:             my $probtitle=&Apache::lonnet::gettitle($symb);
        !          2548:             $request->print("\n\n".
        !          2549:                             '<div class="LC_grade_show_user">'.
        !          2550:                             '<h2>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
        !          2551:                             '</h2>'."\n");
        !          2552:             &Apache::lonxml::clear_problem_counter();
        !          2553:             $request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,
        !          2554:                             {'previousversion' => $env{'form.previousversion'} }));
        !          2555:             $request->print("\n</div>");
        !          2556:         }
        !          2557:     }
        !          2558:     return;
        !          2559: }
        !          2560: 
        !          2561: sub choose_task_version_form {
        !          2562:     my ($symb,$uname,$udom,$nomenu) = @_;
        !          2563:     my $isTask = ($symb =~/\.task$/);
        !          2564:     my ($current,$version,$result,$js,$displayed,$rowtitle);
        !          2565:     if ($isTask) {
        !          2566:         my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
        !          2567:                                               $udom,$uname);
        !          2568:         if (($record{'resource.0.version'} eq '') ||
        !          2569:             ($record{'resource.0.version'} < 2)) {
        !          2570:             return ($record{'resource.0.version'},
        !          2571:                     $record{'resource.0.version'},$result,$js);
        !          2572:         } else {
        !          2573:             $current = $record{'resource.0.version'};
        !          2574:         }
        !          2575:         if ($env{'form.previousversion'}) {
        !          2576:             $displayed = $env{'form.previousversion'};
        !          2577:             $rowtitle = &mt('Choose another version:')
        !          2578:         } else {
        !          2579:             $displayed = $current;
        !          2580:             $rowtitle = &mt('Show earlier version:');
        !          2581:         }
        !          2582:         $result = '<div class="LC_left_float">';
        !          2583:         my $list;
        !          2584:         my $numversions = 0;
        !          2585:         for (my $i=1; $i<=$record{'resource.0.version'}; $i++) {
        !          2586:             if ($i == $current) {
        !          2587:                 if (!$env{'form.previousversion'} || $nomenu) {
        !          2588:                     next;
        !          2589:                 } else {
        !          2590:                     $list .= '<option value="'.$i.'">'.&mt('Current').'</option>'."\n";
        !          2591:                     $numversions ++;
        !          2592:                 }
        !          2593:             } elsif (defined($record{'resource.'.$i.'.0.status'})) {
        !          2594:                 unless ($i == $env{'form.previousversion'}) {
        !          2595:                     $numversions ++;
        !          2596:                 }
        !          2597:                 $list .= '<option value="'.$i.'">'.$i.'</option>'."\n";
        !          2598:             }
        !          2599:         }
        !          2600:         if ($numversions) {
        !          2601:             $symb = &HTML::Entities::encode($symb,'<>"&');
        !          2602:             $result .=
        !          2603:                 '<form name="getprev" method="post" action=""'.
        !          2604:                 ' onsubmit="return previousVersion('."'$uname','$udom','$symb','$displayed'".');">'.
        !          2605:                 &Apache::loncommon::start_data_table().
        !          2606:                 &Apache::loncommon::start_data_table_row().
        !          2607:                 '<th align="left">'.$rowtitle.'</th>'.
        !          2608:                 '<td><select name="version">'.
        !          2609:                 '<option>'.&mt('Select').'</option>'.
        !          2610:                 $list.
        !          2611:                 '</select></td>'.
        !          2612:                 &Apache::loncommon::end_data_table_row();
        !          2613:             unless ($nomenu) {
        !          2614:                 $result .= &Apache::loncommon::start_data_table_row().
        !          2615:                 '<th align="left">'.&mt('Open in new window').'</th>'.
        !          2616:                 '<td><span class="LC_nobreak">'.
        !          2617:                 '<label><input type="radio" name="prevwin" value="1" />'.
        !          2618:                 &mt('Yes').'</label>'.
        !          2619:                 '<label><input type="radio" name="prevwin" value="0" checked="checked" />'.&mt('No').'</label>'.
        !          2620:                 '</span></td>'.
        !          2621:                 &Apache::loncommon::end_data_table_row();
        !          2622:             }
        !          2623:             $result .=
        !          2624:                 &Apache::loncommon::start_data_table_row().
        !          2625:                 '<th align="left">&nbsp;</th>'.
        !          2626:                 '<td>'.
        !          2627:                 '<input type="submit" name="prevsub" value="'.&mt('Display').'" />'.
        !          2628:                 '</td>'.
        !          2629:                 &Apache::loncommon::end_data_table_row().
        !          2630:                 &Apache::loncommon::end_data_table().
        !          2631:                 '</form>';
        !          2632:             $js = &previous_display_javascript($nomenu,$current);
        !          2633:         } elsif ($displayed && $nomenu) {
        !          2634:             $result .= '<a href="javascript:window.close()">'.&mt('Close window').'</a>';
        !          2635:         } else {
        !          2636:             $result .= &mt('No previous versions to show for this student');
        !          2637:         }
        !          2638:         $result .= '</div>';
        !          2639:     }
        !          2640:     return ($current,$displayed,$result,$js);
        !          2641: }
        !          2642: 
        !          2643: sub previous_display_javascript {
        !          2644:     my ($nomenu,$current) = @_;
        !          2645:     my $js = <<"JSONE";
        !          2646: <script type="text/javascript">
        !          2647: // <![CDATA[
        !          2648: function previousVersion(uname,udom,symb) {
        !          2649:     var current = '$current';
        !          2650:     var version = document.getprev.version.options[document.getprev.version.selectedIndex].value;
        !          2651:     var prevstr = new RegExp("^\\\\d+\$");
        !          2652:     if (!prevstr.test(version)) {
        !          2653:         return false;
        !          2654:     }
        !          2655:     var url = '';
        !          2656:     if (version == current) {
        !          2657:         url = '/adm/grades?student='+uname+'&userdom='+udom+'&symb='+symb+'&command=submission';
        !          2658:     } else {
        !          2659:         url = '/adm/grades?student='+uname+'&userdom='+udom+'&symb='+symb+'&command=versionsub&previousversion='+version;
        !          2660:     }
        !          2661: JSONE
        !          2662:     if ($nomenu) {
        !          2663:         $js .= <<"JSTWO";
        !          2664:     document.location.href = url;
        !          2665: JSTWO
        !          2666:     } else {
        !          2667:         $js .= <<"JSTHREE";
        !          2668:     var newwin = 0;
        !          2669:     for (var i=0; i<document.getprev.prevwin.length; i++) {
        !          2670:         if (document.getprev.prevwin[i].checked == true) {
        !          2671:             newwin = document.getprev.prevwin[i].value;
        !          2672:         }
        !          2673:     }
        !          2674:     if (newwin == 1) {
        !          2675:         var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
        !          2676:         url = url+'&inhibitmenu=yes';
        !          2677:         if (typeof(previousWin) == 'undefined' || previousWin.closed) {
        !          2678:             previousWin = window.open(url,'',options,1);
        !          2679:         } else {
        !          2680:             previousWin.location.href = url;
        !          2681:         }
        !          2682:         previousWin.focus();
        !          2683:         return false;
        !          2684:     } else {
        !          2685:         document.location.href = url;
        !          2686:         return false;
        !          2687:     }
        !          2688: JSTHREE
        !          2689:     }
        !          2690:     $js .= <<"ENDJS";
        !          2691:     return false;
        !          2692: }
        !          2693: // ]]>
        !          2694: </script>
        !          2695: ENDJS
        !          2696: 
        !          2697: }
        !          2698: 
1.44      ng       2699: #--- Called from submission routine
1.38      ng       2700: sub processHandGrade {
1.608     www      2701:     my ($request,$symb) = @_;
1.324     albertel 2702:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.257     albertel 2703:     my $button = $env{'form.gradeOpt'};
                   2704:     my $ngrade = $env{'form.NCT'};
                   2705:     my $ntstu  = $env{'form.NTSTU'};
1.301     albertel 2706:     my $cdom   = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2707:     my $cnum   = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2708: 
1.44      ng       2709:     if ($button eq 'Save & Next') {
                   2710: 	my $ctr = 0;
                   2711: 	while ($ctr < $ngrade) {
1.257     albertel 2712: 	    my ($uname,$udom) = split(/:/,$env{'form.unamedom'.$ctr});
1.324     albertel 2713: 	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$symb,$uname,$udom,$ctr);
1.71      ng       2714: 	    if ($errorflag eq 'no_score') {
                   2715: 		$ctr++;
                   2716: 		next;
                   2717: 	    }
1.104     albertel 2718: 	    if ($errorflag eq 'not_allowed') {
1.398     albertel 2719: 		$request->print("<span class=\"LC_warning\">Not allowed to modify grades for $uname:$udom</span>");
1.104     albertel 2720: 		$ctr++;
                   2721: 		next;
                   2722: 	    }
1.257     albertel 2723: 	    my $includemsg = $env{'form.includemsg'.$ctr};
1.44      ng       2724: 	    my ($subject,$message,$msgstatus) = ('','','');
1.418     albertel 2725: 	    my $restitle = &Apache::lonnet::gettitle($symb);
                   2726:             my ($feedurl,$showsymb) =
                   2727: 		&get_feedurl_and_symb($symb,$uname,$udom);
                   2728: 	    my $messagetail;
1.62      albertel 2729: 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
1.298     www      2730: 		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
1.295     www      2731: 		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
1.386     raeburn  2732: 		$subject.=' ['.$restitle.']';
1.44      ng       2733: 		my (@msgnum) = split(/,/,$includemsg);
                   2734: 		foreach (@msgnum) {
1.257     albertel 2735: 		    $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
1.44      ng       2736: 		}
1.80      ng       2737: 		$message =&Apache::lonfeedback::clear_out_html($message);
1.298     www      2738: 		if ($env{'form.withgrades'.$ctr}) {
                   2739: 		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
1.386     raeburn  2740: 		    $messagetail = " for <a href=\"".
1.605     www      2741: 		                   $feedurl."?symb=$showsymb\">$restitle</a>";
1.386     raeburn  2742: 		}
                   2743: 		$msgstatus = 
                   2744:                     &Apache::lonmsg::user_normal_msg($uname,$udom,$subject,
                   2745: 						     $message.$messagetail,
1.418     albertel 2746:                                                      undef,$feedurl,undef,
1.386     raeburn  2747:                                                      undef,undef,$showsymb,
                   2748:                                                      $restitle);
1.574     bisitz   2749: 		$request->print('<br />'.&mt('Sending message to [_1]',$uname.':'.$udom).': '.
1.652     raeburn  2750: 				$msgstatus.'<br />');
1.44      ng       2751: 	    }
1.257     albertel 2752: 	    if ($env{'form.collaborator'.$ctr}) {
1.155     albertel 2753: 		my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
1.150     albertel 2754: 		foreach my $collabstr (@collabstrs) {
                   2755: 		    my ($part,@collaborators) = split(/:/,$collabstr);
1.310     banghart 2756: 		    foreach my $collaborator (@collaborators) {
1.150     albertel 2757: 			my ($errorflag,$pts,$wgt) = 
1.324     albertel 2758: 			    &saveHandGrade($request,$symb,$collaborator,$udom,$ctr,
1.257     albertel 2759: 					   $env{'form.unamedom'.$ctr},$part);
1.150     albertel 2760: 			if ($errorflag eq 'not_allowed') {
1.362     albertel 2761: 			    $request->print("<span class=\"LC_error\">".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom")."</span>");
1.150     albertel 2762: 			    next;
1.418     albertel 2763: 			} elsif ($message ne '') {
                   2764: 			    my ($baseurl,$showsymb) = 
                   2765: 				&get_feedurl_and_symb($symb,$collaborator,
                   2766: 						      $udom);
                   2767: 			    if ($env{'form.withgrades'.$ctr}) {
                   2768: 				$messagetail = " for <a href=\"".
1.605     www      2769:                                     $baseurl."?symb=$showsymb\">$restitle</a>";
1.150     albertel 2770: 			    }
1.418     albertel 2771: 			    $msgstatus = 
                   2772: 				&Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
1.104     albertel 2773: 			}
1.44      ng       2774: 		    }
                   2775: 		}
                   2776: 	    }
                   2777: 	    $ctr++;
                   2778: 	}
                   2779:     }
                   2780: 
1.624     www      2781: #    if ($env{'form.handgrade'} eq 'yes') {
                   2782:     if (1) {
1.119     ng       2783: 	# Keywords sorted in alphabatical order
1.257     albertel 2784: 	my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
1.119     ng       2785: 	my %keyhash = ();
1.257     albertel 2786: 	$env{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
                   2787: 	$env{'form.keywords'}           =~ s/^\s+|\s+$//;
                   2788: 	my (@keywords) = sort(split(/\s+/,$env{'form.keywords'}));
                   2789: 	$env{'form.keywords'} = join(' ',@keywords);
                   2790: 	$keyhash{$symb.'_keywords'}     = $env{'form.keywords'};
                   2791: 	$keyhash{$symb.'_subject'}      = $env{'form.msgsub'};
                   2792: 	$keyhash{$loginuser.'_kwclr'}   = $env{'form.kwclr'};
                   2793: 	$keyhash{$loginuser.'_kwsize'}  = $env{'form.kwsize'};
                   2794: 	$keyhash{$loginuser.'_kwstyle'} = $env{'form.kwstyle'};
1.119     ng       2795: 
                   2796: 	# message center - Order of message gets changed. Blank line is eliminated.
1.257     albertel 2797: 	# New messages are saved in env for the next student.
1.119     ng       2798: 	# All messages are saved in nohist_handgrade.db
                   2799: 	my ($ctr,$idx) = (1,1);
1.257     albertel 2800: 	while ($ctr <= $env{'form.savemsgN'}) {
                   2801: 	    if ($env{'form.savemsg'.$ctr} ne '') {
                   2802: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.savemsg'.$ctr};
1.119     ng       2803: 		$idx++;
                   2804: 	    }
                   2805: 	    $ctr++;
1.41      ng       2806: 	}
1.119     ng       2807: 	$ctr = 0;
                   2808: 	while ($ctr < $ngrade) {
1.257     albertel 2809: 	    if ($env{'form.newmsg'.$ctr} ne '') {
                   2810: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr};
                   2811: 		$env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr};
1.119     ng       2812: 		$idx++;
                   2813: 	    }
                   2814: 	    $ctr++;
1.41      ng       2815: 	}
1.257     albertel 2816: 	$env{'form.savemsgN'} = --$idx;
                   2817: 	$keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'};
1.119     ng       2818: 	my $putresult = &Apache::lonnet::put
1.301     albertel 2819: 	    ('nohist_handgrade',\%keyhash,$cdom,$cnum);
1.41      ng       2820:     }
1.44      ng       2821:     # Called by Save & Refresh from Highlight Attribute Window
1.257     albertel 2822:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
                   2823:     if ($env{'form.refresh'} eq 'on') {
1.86      ng       2824: 	my ($ctr,$total) = (0,0);
                   2825: 	while ($ctr < $ngrade) {
1.257     albertel 2826: 	    $total++ if  $env{'form.unamedom'.$ctr} ne '';
1.86      ng       2827: 	    $ctr++;
                   2828: 	}
1.257     albertel 2829: 	$env{'form.NTSTU'}=$ngrade;
1.86      ng       2830: 	$ctr = 0;
                   2831: 	while ($ctr < $total) {
1.257     albertel 2832: 	    my $processUser = $env{'form.unamedom'.$ctr};
                   2833: 	    ($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
                   2834: 	    $env{'form.fullname'} = $$fullname{$processUser};
1.625     www      2835: 	    &submission($request,$ctr,$total-1,$symb);
1.41      ng       2836: 	    $ctr++;
                   2837: 	}
                   2838: 	return '';
                   2839:     }
1.36      ng       2840: 
1.44      ng       2841:     # Get the next/previous one or group of students
1.257     albertel 2842:     my $firststu = $env{'form.unamedom0'};
                   2843:     my $laststu = $env{'form.unamedom'.($ngrade-1)};
1.119     ng       2844:     my $ctr = 2;
1.41      ng       2845:     while ($laststu eq '') {
1.257     albertel 2846: 	$laststu  = $env{'form.unamedom'.($ngrade-$ctr)};
1.41      ng       2847: 	$ctr++;
                   2848: 	$laststu = $firststu if ($ctr > $ngrade);
                   2849:     }
1.44      ng       2850: 
1.41      ng       2851:     my (@parsedlist,@nextlist);
                   2852:     my ($nextflg) = 0;
1.524     raeburn  2853:     foreach my $item (sort 
1.294     albertel 2854: 	     {
                   2855: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   2856: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   2857: 		 }
                   2858: 		 return $a cmp $b;
                   2859: 	     } (keys(%$fullname))) {
1.605     www      2860: # FIXME: this is fishy, looks like the button label
1.41      ng       2861: 	if ($nextflg == 1 && $button =~ /Next$/) {
1.524     raeburn  2862: 	    push(@parsedlist,$item);
1.41      ng       2863: 	}
1.524     raeburn  2864: 	$nextflg = 1 if ($item eq $laststu);
1.41      ng       2865: 	if ($button eq 'Previous') {
1.524     raeburn  2866: 	    last if ($item eq $firststu);
                   2867: 	    push(@parsedlist,$item);
1.41      ng       2868: 	}
                   2869:     }
                   2870:     $ctr = 0;
1.605     www      2871: # FIXME: this is fishy, looks like the button label
1.41      ng       2872:     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
1.582     raeburn  2873:     my $res_error;
                   2874:     my ($partlist) = &response_type($symb,\$res_error);
                   2875:     if ($res_error) {
                   2876:         $request->print(&navmap_errormsg());
                   2877:         return;
                   2878:     }
1.41      ng       2879:     foreach my $student (@parsedlist) {
1.257     albertel 2880: 	my $submitonly=$env{'form.submitonly'};
1.41      ng       2881: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel 2882: 	
                   2883: 	if ($submitonly eq 'queued') {
                   2884: 	    my %queue_status = 
                   2885: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                   2886: 							$udom,$uname);
                   2887: 	    next if (!defined($queue_status{'gradingqueue'}));
                   2888: 	}
                   2889: 
1.156     albertel 2890: 	if ($submitonly =~ /^(yes|graded|incorrect)$/) {
1.257     albertel 2891: #	    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.324     albertel 2892: 	    my %status=&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel 2893: 	    my $submitted = 0;
1.248     albertel 2894: 	    my $ungraded = 0;
                   2895: 	    my $incorrect = 0;
1.524     raeburn  2896: 	    foreach my $item (keys(%status)) {
                   2897: 		$submitted = 1 if ($status{$item} ne 'nothing');
                   2898: 		$ungraded = 1 if ($status{$item} =~ /^ungraded/);
                   2899: 		$incorrect = 1 if ($status{$item} =~ /^incorrect/);
                   2900: 		my ($foo,$partid,$foo1) = split(/\./,$item);
1.145     albertel 2901: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
                   2902: 		    $submitted = 0;
                   2903: 		}
1.41      ng       2904: 	    }
1.156     albertel 2905: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                   2906: 				     $submitonly eq 'incorrect' ||
                   2907: 				     $submitonly eq 'graded'));
1.248     albertel 2908: 	    next if (!$ungraded && ($submitonly eq 'graded'));
                   2909: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng       2910: 	}
1.524     raeburn  2911: 	push(@nextlist,$student) if ($ctr < $ntstu);
1.129     ng       2912: 	last if ($ctr == $ntstu);
1.41      ng       2913: 	$ctr++;
                   2914:     }
1.36      ng       2915: 
1.41      ng       2916:     $ctr = 0;
                   2917:     my $total = scalar(@nextlist)-1;
1.39      ng       2918: 
1.524     raeburn  2919:     foreach (sort(@nextlist)) {
1.41      ng       2920: 	my ($uname,$udom,$submitter) = split(/:/);
1.257     albertel 2921: 	$env{'form.student'}  = $uname;
                   2922: 	$env{'form.userdom'}  = $udom;
                   2923: 	$env{'form.fullname'} = $$fullname{$_};
1.625     www      2924: 	&submission($request,$ctr,$total,$symb);
1.41      ng       2925: 	$ctr++;
                   2926:     }
                   2927:     if ($total < 0) {
1.653     raeburn  2928: 	my $the_end.='<p>'.&mt('[_1]Message:[_2] No more students for this section or class.','<b>','</b>').'</p>'."\n";
1.41      ng       2929: 	$request->print($the_end);
                   2930:     }
                   2931:     return '';
1.38      ng       2932: }
1.36      ng       2933: 
1.44      ng       2934: #---- Save the score and award for each student, if changed
1.38      ng       2935: sub saveHandGrade {
1.324     albertel 2936:     my ($request,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
1.342     banghart 2937:     my @version_parts;
1.104     albertel 2938:     my $usec = &Apache::lonnet::getsection($domain,$stuname,
1.257     albertel 2939: 					   $env{'request.course.id'});
1.104     albertel 2940:     if (!&canmodify($usec)) { return('not_allowed'); }
1.337     banghart 2941:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$domain,$stuname);
1.251     banghart 2942:     my @parts_graded;
1.77      ng       2943:     my %newrecord  = ();
                   2944:     my ($pts,$wgt) = ('','');
1.269     raeburn  2945:     my %aggregate = ();
                   2946:     my $aggregateflag = 0;
1.301     albertel 2947:     my @parts = split(/:/,$env{'form.partlist'.$newflg});
                   2948:     foreach my $new_part (@parts) {
1.337     banghart 2949: 	#collaborator ($submi may vary for different parts
1.259     banghart 2950: 	if ($submitter && $new_part ne $part) { next; }
                   2951: 	my $dropMenu = $env{'form.GD_SEL'.$newflg.'_'.$new_part};
1.125     ng       2952: 	if ($dropMenu eq 'excused') {
1.259     banghart 2953: 	    if ($record{'resource.'.$new_part.'.solved'} ne 'excused') {
                   2954: 		$newrecord{'resource.'.$new_part.'.solved'} = 'excused';
                   2955: 		if (exists($record{'resource.'.$new_part.'.awarded'})) {
                   2956: 		    $newrecord{'resource.'.$new_part.'.awarded'} = '';
1.58      albertel 2957: 		}
1.364     banghart 2958: 	        $newrecord{'resource.'.$new_part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.58      albertel 2959: 	    }
1.125     ng       2960: 	} elsif ($dropMenu eq 'reset status'
1.259     banghart 2961: 		 && exists($record{'resource.'.$new_part.'.solved'})) { #don't bother if no old records -> no attempts
1.524     raeburn  2962: 	    foreach my $key (keys(%record)) {
1.259     banghart 2963: 		if ($key=~/^resource\.\Q$new_part\E\./) { $newrecord{$key} = ''; }
1.197     albertel 2964: 	    }
1.259     banghart 2965: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 2966: 		"$env{'user.name'}:$env{'user.domain'}";
1.270     albertel 2967:             my $totaltries = $record{'resource.'.$part.'.tries'};
                   2968: 
                   2969:             my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   2970: 					       [$new_part]);
                   2971:             my $aggtries =$totaltries;
1.269     raeburn  2972:             if ($last_resets{$new_part}) {
1.270     albertel 2973:                 $aggtries = &get_num_tries(\%record,$last_resets{$new_part},
                   2974: 					   $new_part);
1.269     raeburn  2975:             }
1.270     albertel 2976: 
                   2977:             my $solvedstatus = $record{'resource.'.$new_part.'.solved'};
1.269     raeburn  2978:             if ($aggtries > 0) {
1.327     albertel 2979:                 &decrement_aggs($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus);
1.269     raeburn  2980:                 $aggregateflag = 1;
                   2981:             }
1.125     ng       2982: 	} elsif ($dropMenu eq '') {
1.259     banghart 2983: 	    $pts = ($env{'form.GD_BOX'.$newflg.'_'.$new_part} ne '' ? 
                   2984: 		    $env{'form.GD_BOX'.$newflg.'_'.$new_part} : 
                   2985: 		    $env{'form.RADVAL'.$newflg.'_'.$new_part});
                   2986: 	    if ($pts eq '' && $env{'form.GD_SEL'.$newflg.'_'.$new_part} eq '') {
1.153     albertel 2987: 		next;
                   2988: 	    }
1.259     banghart 2989: 	    $wgt = $env{'form.WGT'.$newflg.'_'.$new_part} eq '' ? 1 : 
                   2990: 		$env{'form.WGT'.$newflg.'_'.$new_part};
1.41      ng       2991: 	    my $partial= $pts/$wgt;
1.259     banghart 2992: 	    if ($partial eq $record{'resource.'.$new_part.'.awarded'}) {
1.153     albertel 2993: 		#do not update score for part if not changed.
1.346     banghart 2994:                 &handback_files($request,$symb,$stuname,$domain,$newflg,$new_part,\%newrecord);
1.153     albertel 2995: 		next;
1.251     banghart 2996: 	    } else {
1.524     raeburn  2997: 	        push(@parts_graded,$new_part);
1.153     albertel 2998: 	    }
1.259     banghart 2999: 	    if ($record{'resource.'.$new_part.'.awarded'} ne $partial) {
                   3000: 		$newrecord{'resource.'.$new_part.'.awarded'}  = $partial;
1.153     albertel 3001: 	    }
1.259     banghart 3002: 	    my $reckey = 'resource.'.$new_part.'.solved';
1.41      ng       3003: 	    if ($partial == 0) {
1.153     albertel 3004: 		if ($record{$reckey} ne 'incorrect_by_override') {
                   3005: 		    $newrecord{$reckey} = 'incorrect_by_override';
                   3006: 		}
1.41      ng       3007: 	    } else {
1.153     albertel 3008: 		if ($record{$reckey} ne 'correct_by_override') {
                   3009: 		    $newrecord{$reckey} = 'correct_by_override';
                   3010: 		}
                   3011: 	    }	    
                   3012: 	    if ($submitter && 
1.259     banghart 3013: 		($record{'resource.'.$new_part.'.submitted_by'} ne $submitter)) {
                   3014: 		$newrecord{'resource.'.$new_part.'.submitted_by'} = $submitter;
1.41      ng       3015: 	    }
1.259     banghart 3016: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 3017: 		"$env{'user.name'}:$env{'user.domain'}";
1.41      ng       3018: 	}
1.259     banghart 3019: 	# unless problem has been graded, set flag to version the submitted files
1.305     banghart 3020: 	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || 
                   3021: 	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
                   3022: 	        $dropMenu eq 'reset status')
                   3023: 	   {
1.524     raeburn  3024: 	    push(@version_parts,$new_part);
1.259     banghart 3025: 	}
1.41      ng       3026:     }
1.301     albertel 3027:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3028:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3029: 
1.344     albertel 3030:     if (%newrecord) {
                   3031:         if (@version_parts) {
1.364     banghart 3032:             my @changed_keys = &version_portfiles(\%record, \@parts_graded, 
                   3033:                                 $env{'request.course.id'}, $symb, $domain, $stuname, \@version_parts);
1.344     albertel 3034: 	    @newrecord{@changed_keys} = @record{@changed_keys};
1.367     albertel 3035: 	    foreach my $new_part (@version_parts) {
                   3036: 		&handback_files($request,$symb,$stuname,$domain,$newflg,
                   3037: 				$new_part,\%newrecord);
                   3038: 	    }
1.259     banghart 3039:         }
1.44      ng       3040: 	&Apache::lonnet::cstore(\%newrecord,$symb,
1.257     albertel 3041: 				$env{'request.course.id'},$domain,$stuname);
1.380     albertel 3042: 	&check_and_remove_from_queue(\@parts,\%record,\%newrecord,$symb,
                   3043: 				     $cdom,$cnum,$domain,$stuname);
1.41      ng       3044:     }
1.269     raeburn  3045:     if ($aggregateflag) {
                   3046:         &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 3047: 			      $cdom,$cnum);
1.269     raeburn  3048:     }
1.301     albertel 3049:     return ('',$pts,$wgt);
1.36      ng       3050: }
1.322     albertel 3051: 
1.380     albertel 3052: sub check_and_remove_from_queue {
                   3053:     my ($parts,$record,$newrecord,$symb,$cdom,$cnum,$domain,$stuname) = @_;
                   3054:     my @ungraded_parts;
                   3055:     foreach my $part (@{$parts}) {
                   3056: 	if (    $record->{   'resource.'.$part.'.awarded'} eq ''
                   3057: 	     && $record->{   'resource.'.$part.'.solved' } ne 'excused'
                   3058: 	     && $newrecord->{'resource.'.$part.'.awarded'} eq ''
                   3059: 	     && $newrecord->{'resource.'.$part.'.solved' } ne 'excused'
                   3060: 		) {
                   3061: 	    push(@ungraded_parts, $part);
                   3062: 	}
                   3063:     }
                   3064:     if ( !@ungraded_parts ) {
                   3065: 	&Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom,
                   3066: 					       $cnum,$domain,$stuname);
                   3067:     }
                   3068: }
                   3069: 
1.337     banghart 3070: sub handback_files {
                   3071:     my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
1.517     raeburn  3072:     my $portfolio_root = '/userfiles/portfolio';
1.582     raeburn  3073:     my $res_error;
                   3074:     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
                   3075:     if ($res_error) {
                   3076:         $request->print('<br />'.&navmap_errormsg().'<br />');
                   3077:         return;
                   3078:     }
1.654     raeburn  3079:     my @handedback;
                   3080:     my $file_msg;
1.375     albertel 3081:     my @part_response_id = &flatten_responseType($responseType);
                   3082:     foreach my $part_response_id (@part_response_id) {
                   3083:     	my ($part_id,$resp_id) = @{ $part_response_id };
                   3084: 	my $part_resp = join('_',@{ $part_response_id });
1.654     raeburn  3085:         if (($env{'form.'.$newflg.'_'.$part_resp.'_countreturndoc'} =~ /^\d+$/) & ($new_part eq $part_id)) {
                   3086:             for (my $counter=1; $counter<=$env{'form.'.$newflg.'_'.$part_resp.'_countreturndoc'}; $counter++) {
                   3087:                 # if multiple files are uploaded names will be 'returndoc2','returndoc3' 
                   3088:                 if ($env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$counter}) {
                   3089:                     my $fname=$env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$counter.'.filename'};
1.338     banghart 3090:                     my ($directory,$answer_file) = 
1.654     raeburn  3091:                         ($env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$counter} =~ /^(.*?)([^\/]*)$/);
1.338     banghart 3092:                     my ($answer_name,$answer_ver,$answer_ext) =
                   3093: 		        &file_name_version_ext($answer_file);
1.355     banghart 3094: 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
1.517     raeburn  3095:                     my $getpropath = 1;
1.662     raeburn  3096:                     my ($dir_list,$listerror) = 
                   3097:                         &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,
                   3098:                                                  $domain,$stuname,$getpropath);
                   3099: 		    my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
1.355     banghart 3100:                     # fix file name
                   3101:                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
                   3102:                     my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain,
1.654     raeburn  3103:             	                                $newflg.'_'.$part_resp.'_returndoc'.$counter,
1.355     banghart 3104:             	                                $save_file_name);
1.337     banghart 3105:                     if ($result !~ m|^/uploaded/|) {
1.536     raeburn  3106:                         $request->print('<br /><span class="LC_error">'.
                   3107:                             &mt('An error occurred ([_1]) while trying to upload [_2].',
1.654     raeburn  3108:                                 $result,$newflg.'_'.$part_resp.'_returndoc'.$counter).
1.536     raeburn  3109:                                         '</span>');
1.356     banghart 3110:                     } else {
1.360     banghart 3111:                         # mark the file as read only
1.654     raeburn  3112:                         push(@handedback,$save_file_name);
1.367     albertel 3113: 			if (exists($$newrecord{"resource.$new_part.$resp_id.handback"})) {
                   3114: 			    $$newrecord{"resource.$new_part.$resp_id.handback"}.=',';
                   3115: 			}
                   3116:                         $$newrecord{"resource.$new_part.$resp_id.handback"} .= $save_file_name;
1.654     raeburn  3117: 			$file_msg.= '<span class="LC_filename"><a href="/uploaded/'."$domain/$stuname/".$save_file_name.'">'.$save_file_name."</a></span> <br />";
1.337     banghart 3118:                     }
1.654     raeburn  3119:                     $request->print('<br />'.&mt('[_1] will be the uploaded file name [_2]','<span class="LC_info">'.$fname.'</span>','<span class="LC_filename">'.$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$counter}.'</span>'));
1.337     banghart 3120:                 }
                   3121:             }
                   3122:         }
1.654     raeburn  3123:     }
                   3124:     if (@handedback > 0) {
                   3125:         $request->print('<br />');
                   3126:         my @what = ($symb,$env{'request.course.id'},'handback');
                   3127:         &Apache::lonnet::mark_as_readonly($domain,$stuname,\@handedback,\@what);
                   3128:         my $user_lh = &Apache::loncommon::user_lang($stuname,$domain,$env{'request.course.id'});    
                   3129:         my ($subject,$message);
                   3130:         if (scalar(@handedback) == 1) {
                   3131:             $subject = &mt_user($user_lh,'File Handed Back by Instructor');
                   3132:             $message = &mt_user($user_lh,'A file has been returned that was originally submitted in response to: ');
                   3133:         } else {
                   3134:             $subject = &mt_user($user_lh,'Files Handed Back by Instructor');
                   3135:             $message = &mt_user($user_lh,'Files have been returned that were originally submitted in response to: ');
                   3136:         }
                   3137:         $message .= "<p><strong>".&Apache::lonnet::gettitle($symb)." </strong></p>";
                   3138:         $message .= &mt_user($user_lh,'The returned file(s) are named: [_1]',"<br />$file_msg <br />").
                   3139:                     &mt_user($user_lh,'The file(s) can be found in your [_1]portfolio[_2].','<a href="/adm/portfolio">','</a>');
                   3140:         my ($feedurl,$showsymb) =
                   3141:             &get_feedurl_and_symb($symb,$domain,$stuname);
                   3142:         my $restitle = &Apache::lonnet::gettitle($symb);
                   3143:         $subject .= ' '.&mt_user($user_lh,'(File Returned)').' ['.$restitle.']';
                   3144:         my $msgstatus =
                   3145:              &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject,
                   3146:                  $message,undef,$feedurl,undef,undef,undef,$showsymb,
                   3147:                  $restitle);
                   3148:         if ($msgstatus) {
                   3149:             $request->print(&mt('Notification message status: [_1]','<span class="LC_info">'.$msgstatus.'</span>').'<br />');
                   3150:         }
                   3151:     }
1.338     banghart 3152:     return;
1.337     banghart 3153: }
                   3154: 
1.418     albertel 3155: sub get_feedurl_and_symb {
                   3156:     my ($symb,$uname,$udom) = @_;
                   3157:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
                   3158:     $url = &Apache::lonnet::clutter($url);
                   3159:     my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
                   3160: 					$symb,$udom,$uname);
                   3161:     if ($encrypturl =~ /^yes$/i) {
                   3162: 	&Apache::lonenc::encrypted(\$url,1);
                   3163: 	&Apache::lonenc::encrypted(\$symb,1);
                   3164:     }
                   3165:     return ($url,$symb);
                   3166: }
                   3167: 
1.313     banghart 3168: sub get_submitted_files {
                   3169:     my ($udom,$uname,$partid,$respid,$record) = @_;
                   3170:     my @files;
                   3171:     if ($$record{"resource.$partid.$respid.portfiles"}) {
                   3172:         my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
                   3173:         foreach my $file (split(',',$$record{"resource.$partid.$respid.portfiles"})) {
                   3174:     	    push(@files,$file_url.$file);
                   3175:         }
                   3176:     }
                   3177:     if ($$record{"resource.$partid.$respid.uploadedurl"}) {
                   3178:         push(@files,$$record{"resource.$partid.$respid.uploadedurl"});
                   3179:     }
                   3180:     return (\@files);
                   3181: }
1.322     albertel 3182: 
1.269     raeburn  3183: # ----------- Provides number of tries since last reset.
                   3184: sub get_num_tries {
                   3185:     my ($record,$last_reset,$part) = @_;
                   3186:     my $timestamp = '';
                   3187:     my $num_tries = 0;
                   3188:     if ($$record{'version'}) {
                   3189:         for (my $version=$$record{'version'};$version>=1;$version--) {
                   3190:             if (exists($$record{$version.':resource.'.$part.'.solved'})) {
                   3191:                 $timestamp = $$record{$version.':timestamp'};
                   3192:                 if ($timestamp > $last_reset) {
                   3193:                     $num_tries ++;
                   3194:                 } else {
                   3195:                     last;
                   3196:                 }
                   3197:             }
                   3198:         }
                   3199:     }
                   3200:     return $num_tries;
                   3201: }
                   3202: 
                   3203: # ----------- Determine decrements required in aggregate totals 
                   3204: sub decrement_aggs {
                   3205:     my ($symb,$part,$aggregate,$aggtries,$totaltries,$solvedstatus) = @_;
                   3206:     my %decrement = (
                   3207:                         attempts => 0,
                   3208:                         users => 0,
                   3209:                         correct => 0
                   3210:                     );
                   3211:     $decrement{'attempts'} = $aggtries;
                   3212:     if ($solvedstatus =~ /^correct/) {
                   3213:         $decrement{'correct'} = 1;
                   3214:     }
                   3215:     if ($aggtries == $totaltries) {
                   3216:         $decrement{'users'} = 1;
                   3217:     }
1.524     raeburn  3218:     foreach my $type (keys(%decrement)) {
1.269     raeburn  3219:         $$aggregate{$symb."\0".$part."\0".$type} = -$decrement{$type};
                   3220:     }
                   3221:     return;
                   3222: }
                   3223: 
                   3224: # ----------- Determine timestamps for last reset of aggregate totals for parts  
                   3225: sub get_last_resets {
1.270     albertel 3226:     my ($symb,$courseid,$partids) =@_;
                   3227:     my %last_resets;
1.269     raeburn  3228:     my $cdom = $env{'course.'.$courseid.'.domain'};
                   3229:     my $cname = $env{'course.'.$courseid.'.num'};
1.271     albertel 3230:     my @keys;
                   3231:     foreach my $part (@{$partids}) {
                   3232: 	push(@keys,"$symb\0$part\0resettime");
                   3233:     }
                   3234:     my %results=&Apache::lonnet::get('nohist_resourcetracker',\@keys,
                   3235: 				     $cdom,$cname);
                   3236:     foreach my $part (@{$partids}) {
                   3237: 	$last_resets{$part}=$results{"$symb\0$part\0resettime"};
1.269     raeburn  3238:     }
1.270     albertel 3239:     return %last_resets;
1.269     raeburn  3240: }
                   3241: 
1.251     banghart 3242: # ----------- Handles creating versions for portfolio files as answers
                   3243: sub version_portfiles {
1.343     banghart 3244:     my ($record, $parts_graded, $courseid, $symb, $domain, $stu_name, $v_flag) = @_;
1.263     banghart 3245:     my $version_parts = join('|',@$v_flag);
1.343     banghart 3246:     my @returned_keys;
1.255     banghart 3247:     my $parts = join('|', @$parts_graded);
1.517     raeburn  3248:     my $portfolio_root = '/userfiles/portfolio';
1.277     albertel 3249:     foreach my $key (keys(%$record)) {
1.259     banghart 3250:         my $new_portfiles;
1.263     banghart 3251:         if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
1.342     banghart 3252:             my @versioned_portfiles;
1.367     albertel 3253:             my @portfiles = split(/\s*,\s*/,$$record{$key});
1.252     banghart 3254:             foreach my $file (@portfiles) {
1.306     banghart 3255:                 &Apache::lonnet::unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
1.304     albertel 3256:                 my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
                   3257: 		my ($answer_name,$answer_ver,$answer_ext) =
                   3258: 		    &file_name_version_ext($answer_file);
1.517     raeburn  3259:                 my $getpropath = 1;    
1.662     raeburn  3260:                 my ($dir_list,$listerror) = 
                   3261:                     &Apache::lonnet::dirlist($portfolio_root.$directory,$domain,
                   3262:                                              $stu_name,$getpropath);
                   3263:                 my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
1.306     banghart 3264:                 my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
                   3265:                 if ($new_answer ne 'problem getting file') {
1.342     banghart 3266:                     push(@versioned_portfiles, $directory.$new_answer);
1.306     banghart 3267:                     &Apache::lonnet::mark_as_readonly($domain,$stu_name,
1.367     albertel 3268:                         [$directory.$new_answer],
1.306     banghart 3269:                         [$symb,$env{'request.course.id'},'graded']);
1.259     banghart 3270:                 }
1.252     banghart 3271:             }
1.343     banghart 3272:             $$record{$key} = join(',',@versioned_portfiles);
                   3273:             push(@returned_keys,$key);
1.251     banghart 3274:         }
                   3275:     } 
1.343     banghart 3276:     return (@returned_keys);   
1.305     banghart 3277: }
                   3278: 
1.307     banghart 3279: sub get_next_version {
1.341     banghart 3280:     my ($answer_name, $answer_ext, $dir_list) = @_;
1.307     banghart 3281:     my $version;
1.662     raeburn  3282:     if (ref($dir_list) eq 'ARRAY') {
                   3283:         foreach my $row (@{$dir_list}) {
                   3284:             my ($file) = split(/\&/,$row,2);
                   3285:             my ($file_name,$file_version,$file_ext) =
                   3286: 	        &file_name_version_ext($file);
                   3287:             if (($file_name eq $answer_name) && 
                   3288: 	        ($file_ext eq $answer_ext)) {
                   3289:                      # gets here if filename and extension match, 
                   3290:                      # regardless of version
1.307     banghart 3291:                 if ($file_version ne '') {
1.662     raeburn  3292:                     # a versioned file is found  so save it for later
                   3293:                     if ($file_version > $version) {
                   3294: 		        $version = $file_version;
                   3295: 	            }
                   3296:                 }
1.307     banghart 3297:             }
                   3298:         }
1.662     raeburn  3299:     }
1.307     banghart 3300:     $version ++;
                   3301:     return($version);
                   3302: }
                   3303: 
1.305     banghart 3304: sub version_selected_portfile {
1.306     banghart 3305:     my ($domain,$stu_name,$directory,$file_name,$version) = @_;
                   3306:     my ($answer_name,$answer_ver,$answer_ext) =
                   3307:         &file_name_version_ext($file_name);
                   3308:     my $new_answer;
                   3309:     $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
                   3310:     if($env{'form.copy'} eq '-1') {
                   3311:         $new_answer = 'problem getting file';
                   3312:     } else {
                   3313:         $new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
                   3314:         my $copy_result = &Apache::lonnet::finishuserfileupload(
                   3315:                             $stu_name,$domain,'copy',
                   3316: 		        '/portfolio'.$directory.$new_answer);
                   3317:     }    
                   3318:     return ($new_answer);
1.251     banghart 3319: }
                   3320: 
1.304     albertel 3321: sub file_name_version_ext {
                   3322:     my ($file)=@_;
                   3323:     my @file_parts = split(/\./, $file);
                   3324:     my ($name,$version,$ext);
                   3325:     if (@file_parts > 1) {
                   3326: 	$ext=pop(@file_parts);
                   3327: 	if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
                   3328: 	    $version=pop(@file_parts);
                   3329: 	}
                   3330: 	$name=join('.',@file_parts);
                   3331:     } else {
                   3332: 	$name=join('.',@file_parts);
                   3333:     }
                   3334:     return($name,$version,$ext);
                   3335: }
                   3336: 
1.44      ng       3337: #--------------------------------------------------------------------------------------
                   3338: #
                   3339: #-------------------------- Next few routines handles grading by section or whole class
                   3340: #
                   3341: #--- Javascript to handle grading by section or whole class
1.42      ng       3342: sub viewgrades_js {
                   3343:     my ($request) = shift;
                   3344: 
1.539     riegler  3345:     my $alertmsg = &mt('A number equal or greater than 0 is expected. Entered value = ');
1.597     wenzelju 3346:     $request->print(&Apache::lonhtmlcommon::scripttag(<<VIEWJAVASCRIPT));
1.45      ng       3347:    function writePoint(partid,weight,point) {
1.125     ng       3348: 	var radioButton = document.classgrade["RADVAL_"+partid];
                   3349: 	var textbox = document.classgrade["TEXTVAL_"+partid];
1.42      ng       3350: 	if (point == "textval") {
1.125     ng       3351: 	    point = document.classgrade["TEXTVAL_"+partid].value;
1.109     matthew  3352: 	    if (isNaN(point) || parseFloat(point) < 0) {
1.539     riegler  3353: 		alert("$alertmsg"+parseFloat(point));
1.42      ng       3354: 		var resetbox = false;
                   3355: 		for (var i=0; i<radioButton.length; i++) {
                   3356: 		    if (radioButton[i].checked) {
                   3357: 			textbox.value = i;
                   3358: 			resetbox = true;
                   3359: 		    }
                   3360: 		}
                   3361: 		if (!resetbox) {
                   3362: 		    textbox.value = "";
                   3363: 		}
                   3364: 		return;
                   3365: 	    }
1.109     matthew  3366: 	    if (parseFloat(point) > parseFloat(weight)) {
                   3367: 		var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       3368: 				   ") greater than the weight for the part. Accept?");
                   3369: 		if (resp == false) {
                   3370: 		    textbox.value = "";
                   3371: 		    return;
                   3372: 		}
                   3373: 	    }
1.42      ng       3374: 	    for (var i=0; i<radioButton.length; i++) {
                   3375: 		radioButton[i].checked=false;
1.109     matthew  3376: 		if (parseFloat(point) == i) {
1.42      ng       3377: 		    radioButton[i].checked=true;
                   3378: 		}
                   3379: 	    }
1.41      ng       3380: 
1.42      ng       3381: 	} else {
1.125     ng       3382: 	    textbox.value = parseFloat(point);
1.42      ng       3383: 	}
1.41      ng       3384: 	for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3385: 	    var user = document.classgrade["ctr"+i].value;
1.289     albertel 3386: 	    user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3387: 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3388: 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3389: 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       3390: 	    if (saveval != "correct") {
                   3391: 		scorename.value = point;
1.43      ng       3392: 		if (selname[0].selected != true) {
                   3393: 		    selname[0].selected = true;
                   3394: 		}
1.42      ng       3395: 	    }
                   3396: 	}
1.125     ng       3397: 	document.classgrade["SELVAL_"+partid][0].selected = true;
1.42      ng       3398:     }
                   3399: 
                   3400:     function writeRadText(partid,weight) {
1.125     ng       3401: 	var selval   = document.classgrade["SELVAL_"+partid];
                   3402: 	var radioButton = document.classgrade["RADVAL_"+partid];
1.265     www      3403:         var override = document.classgrade["FORCE_"+partid].checked;
1.125     ng       3404: 	var textbox = document.classgrade["TEXTVAL_"+partid];
                   3405: 	if (selval[1].selected || selval[2].selected) {
1.42      ng       3406: 	    for (var i=0; i<radioButton.length; i++) {
                   3407: 		radioButton[i].checked=false;
                   3408: 
                   3409: 	    }
                   3410: 	    textbox.value = "";
                   3411: 
                   3412: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3413: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3414: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3415: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3416: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3417: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      3418: 		if ((saveval != "correct") || override) {
1.42      ng       3419: 		    scorename.value = "";
1.125     ng       3420: 		    if (selval[1].selected) {
                   3421: 			selname[1].selected = true;
                   3422: 		    } else {
                   3423: 			selname[2].selected = true;
                   3424: 			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
                   3425: 			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
                   3426: 		    }
1.42      ng       3427: 		}
                   3428: 	    }
1.43      ng       3429: 	} else {
                   3430: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3431: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3432: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3433: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3434: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3435: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      3436: 		if ((saveval != "correct") || override) {
1.125     ng       3437: 		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
1.43      ng       3438: 		    selname[0].selected = true;
                   3439: 		}
                   3440: 	    }
                   3441: 	}	    
1.42      ng       3442:     }
                   3443: 
                   3444:     function changeSelect(partid,user) {
1.125     ng       3445: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   3446: 	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
1.44      ng       3447: 	var point  = textbox.value;
1.125     ng       3448: 	var weight = document.classgrade["weight_"+partid].value;
1.44      ng       3449: 
1.109     matthew  3450: 	if (isNaN(point) || parseFloat(point) < 0) {
1.539     riegler  3451: 	    alert("$alertmsg"+parseFloat(point));
1.44      ng       3452: 	    textbox.value = "";
                   3453: 	    return;
                   3454: 	}
1.109     matthew  3455: 	if (parseFloat(point) > parseFloat(weight)) {
                   3456: 	    var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       3457: 			       ") greater than the weight of the part. Accept?");
                   3458: 	    if (resp == false) {
                   3459: 		textbox.value = "";
                   3460: 		return;
                   3461: 	    }
                   3462: 	}
1.42      ng       3463: 	selval[0].selected = true;
                   3464:     }
                   3465: 
                   3466:     function changeOneScore(partid,user) {
1.125     ng       3467: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   3468: 	if (selval[1].selected || selval[2].selected) {
                   3469: 	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
                   3470: 	    if (selval[2].selected) {
                   3471: 		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
                   3472: 	    }
1.269     raeburn  3473:         }
1.42      ng       3474:     }
                   3475: 
                   3476:     function resetEntry(numpart) {
                   3477: 	for (ctpart=0;ctpart<numpart;ctpart++) {
1.125     ng       3478: 	    var partid = document.classgrade["partid_"+ctpart].value;
                   3479: 	    var radioButton = document.classgrade["RADVAL_"+partid];
                   3480: 	    var textbox = document.classgrade["TEXTVAL_"+partid];
                   3481: 	    var selval  = document.classgrade["SELVAL_"+partid];
1.42      ng       3482: 	    for (var i=0; i<radioButton.length; i++) {
                   3483: 		radioButton[i].checked=false;
                   3484: 
                   3485: 	    }
                   3486: 	    textbox.value = "";
                   3487: 	    selval[0].selected = true;
                   3488: 
                   3489: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3490: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3491: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3492: 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3493: 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
                   3494: 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
                   3495: 		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
                   3496: 		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3497: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       3498: 		if (saveselval == "excused") {
1.43      ng       3499: 		    if (selname[1].selected == false) { selname[1].selected = true;}
1.42      ng       3500: 		} else {
1.43      ng       3501: 		    if (selname[0].selected == false) {selname[0].selected = true};
1.42      ng       3502: 		}
                   3503: 	    }
1.41      ng       3504: 	}
1.42      ng       3505:     }
                   3506: 
1.41      ng       3507: VIEWJAVASCRIPT
1.42      ng       3508: }
                   3509: 
1.44      ng       3510: #--- show scores for a section or whole class w/ option to change/update a score
1.42      ng       3511: sub viewgrades {
1.608     www      3512:     my ($request,$symb) = @_;
1.42      ng       3513:     &viewgrades_js($request);
1.41      ng       3514: 
1.168     albertel 3515:     #need to make sure we have the correct data for later EXT calls, 
                   3516:     #thus invalidate the cache
                   3517:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 3518:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   3519:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 3520:     &Apache::lonnet::clear_EXT_cache_status();
                   3521: 
1.398     albertel 3522:     my $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>';
1.41      ng       3523: 
                   3524:     #view individual student submission form - called using Javascript viewOneStudent
1.324     albertel 3525:     $result.=&jscriptNform($symb);
1.41      ng       3526: 
1.44      ng       3527:     #beginning of class grading form
1.442     banghart 3528:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.41      ng       3529:     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
1.418     albertel 3530: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.38      ng       3531: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
1.432     banghart 3532: 	&build_section_inputs().
1.442     banghart 3533: 	'<input type="hidden" name="Status" value="'.$env{'stu_status'}.'" />'."\n".
1.72      ng       3534: 
1.560     raeburn  3535:     my ($common_header,$specific_header);
1.257     albertel 3536:     if ($env{'form.section'} eq 'all') {
1.560     raeburn  3537: 	$common_header = &mt('Assign Common Grade to Class');
                   3538:         $specific_header = &mt('Assign Grade to Specific Students in Class');
1.257     albertel 3539:     } elsif ($env{'form.section'} eq 'none') {
1.560     raeburn  3540:         $common_header = &mt('Assign Common Grade to Students in no Section');
                   3541: 	$specific_header = &mt('Assign Grade to Specific Students in no Section');
1.52      albertel 3542:     } else {
1.560     raeburn  3543:         my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
                   3544:         $common_header = &mt('Assign Common Grade to Students in Section(s) [_1]',$section_display);
                   3545: 	$specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1]',$section_display);
1.52      albertel 3546:     }
1.560     raeburn  3547:     $result.= '<h3>'.$common_header.'</h3>'.&Apache::loncommon::start_data_table();
1.44      ng       3548:     #radio buttons/text box for assigning points for a section or class.
                   3549:     #handles different parts of a problem
1.582     raeburn  3550:     my $res_error;
                   3551:     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
                   3552:     if ($res_error) {
                   3553:         return &navmap_errormsg();
                   3554:     }
1.42      ng       3555:     my %weight = ();
                   3556:     my $ctsparts = 0;
1.45      ng       3557:     my %seen = ();
1.375     albertel 3558:     my @part_response_id = &flatten_responseType($responseType);
                   3559:     foreach my $part_response_id (@part_response_id) {
                   3560:     	my ($partid,$respid) = @{ $part_response_id };
                   3561: 	my $part_resp = join('_',@{ $part_response_id });
1.45      ng       3562: 	next if $seen{$partid};
                   3563: 	$seen{$partid}++;
1.375     albertel 3564: 	my $handgrade=$$handgrade{$part_resp};
1.42      ng       3565: 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
                   3566: 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
                   3567: 
1.324     albertel 3568: 	my $display_part=&get_display_part($partid,$symb);
1.485     albertel 3569: 	my $radio.='<table border="0"><tr>';  
1.41      ng       3570: 	my $ctr = 0;
1.42      ng       3571: 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
1.485     albertel 3572: 	    $radio.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
1.54      albertel 3573: 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
1.288     albertel 3574: 		','.$ctr.')" />'.$ctr."</label></td>\n";
1.41      ng       3575: 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
                   3576: 	    $ctr++;
                   3577: 	}
1.485     albertel 3578: 	$radio.='</tr></table>';
                   3579: 	my $line = '<input type="text" name="TEXTVAL_'.
1.589     bisitz   3580: 	    $partid.'" size="4" '.'onchange="javascript:writePoint(\''.
1.54      albertel 3581: 		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
1.539     riegler  3582: 	    $weight{$partid}.' '.&mt('(problem weight)').'</td>'."\n";
                   3583: 	$line.= '<td><b>'.&mt('Grade Status').':</b><select name="SELVAL_'.$partid.'"'.
1.589     bisitz   3584: 	    'onchange="javascript:writeRadText(\''.$partid.'\','.
1.59      albertel 3585: 		$weight{$partid}.')"> '.
1.401     albertel 3586: 	    '<option selected="selected"> </option>'.
1.485     albertel 3587: 	    '<option value="excused">'.&mt('excused').'</option>'.
                   3588: 	    '<option value="reset status">'.&mt('reset status').'</option>'.
                   3589: 	    '</select></td>'.
                   3590:             '<td><label><input type="checkbox" name="FORCE_'.$partid.'" />'.&mt('Override "Correct"').'</label>';
                   3591: 	$line.='<input type="hidden" name="partid_'.
                   3592: 	    $ctsparts.'" value="'.$partid.'" />'."\n";
                   3593: 	$line.='<input type="hidden" name="weight_'.
                   3594: 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
                   3595: 
                   3596: 	$result.=
                   3597: 	    &Apache::loncommon::start_data_table_row()."\n".
1.577     bisitz   3598: 	    '<td><b>'.&mt('Part:').'</b></td><td>'.$display_part.'</td><td><b>'.&mt('Points:').'</b></td><td>'.$radio.'</td><td>'.&mt('or').'</td><td>'.$line.'</td>'.
1.485     albertel 3599: 	    &Apache::loncommon::end_data_table_row()."\n";
1.42      ng       3600: 	$ctsparts++;
1.41      ng       3601:     }
1.474     albertel 3602:     $result.=&Apache::loncommon::end_data_table()."\n".
1.52      albertel 3603: 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
1.485     albertel 3604:     $result.='<input type="button" value="'.&mt('Revert to Default').'" '.
1.589     bisitz   3605: 	'onclick="javascript:resetEntry('.$ctsparts.');" />';
1.41      ng       3606: 
1.44      ng       3607:     #table listing all the students in a section/class
                   3608:     #header of table
1.560     raeburn  3609:     $result.= '<h3>'.$specific_header.'</h3>'.
                   3610:               &Apache::loncommon::start_data_table().
                   3611: 	      &Apache::loncommon::start_data_table_header_row().
                   3612: 	      '<th>'.&mt('No.').'</th>'.
                   3613: 	      '<th>'.&nameUserString('header')."</th>\n";
1.582     raeburn  3614:     my $partserror;
                   3615:     my (@parts) = sort(&getpartlist($symb,\$partserror));
                   3616:     if ($partserror) {
                   3617:         return &navmap_errormsg();
                   3618:     }
1.324     albertel 3619:     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
1.269     raeburn  3620:     my @partids = ();
1.41      ng       3621:     foreach my $part (@parts) {
                   3622: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
1.539     riegler  3623:         my $narrowtext = &mt('Tries');
                   3624: 	$display =~ s|^Number of Attempts|$narrowtext <br />|; # makes the column narrower
1.41      ng       3625: 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
1.207     albertel 3626: 	my ($partid) = &split_part_type($part);
1.524     raeburn  3627:         push(@partids,$partid);
1.628     www      3628: #
                   3629: # FIXME: Looks like $display looks at English text
                   3630: #
1.324     albertel 3631: 	my $display_part=&get_display_part($partid,$symb);
1.41      ng       3632: 	if ($display =~ /^Partial Credit Factor/) {
1.485     albertel 3633: 	    $result.='<th>'.
                   3634: 		&mt('Score Part: [_1]<br /> (weight = [_2])',
                   3635: 		    $display_part,$weight{$partid}).'</th>'."\n";
1.41      ng       3636: 	    next;
1.485     albertel 3637: 	    
1.207     albertel 3638: 	} else {
1.485     albertel 3639: 	    if ($display =~ /Problem Status/) {
                   3640: 		my $grade_status_mt = &mt('Grade Status');
                   3641: 		$display =~ s{Problem Status}{$grade_status_mt<br />};
                   3642: 	    }
                   3643: 	    my $part_mt = &mt('Part:');
                   3644: 	    $display =~s{\[Part: \Q$partid\E\]}{$part_mt $display_part};
1.41      ng       3645: 	}
1.485     albertel 3646: 
1.474     albertel 3647: 	$result.='<th>'.$display.'</th>'."\n";
1.41      ng       3648:     }
1.474     albertel 3649:     $result.=&Apache::loncommon::end_data_table_header_row();
1.44      ng       3650: 
1.270     albertel 3651:     my %last_resets = 
                   3652: 	&get_last_resets($symb,$env{'request.course.id'},\@partids);
1.269     raeburn  3653: 
1.41      ng       3654:     #get info for each student
1.44      ng       3655:     #list all the students - with points and grade status
1.257     albertel 3656:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
1.41      ng       3657:     my $ctr = 0;
1.294     albertel 3658:     foreach (sort 
                   3659: 	     {
                   3660: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   3661: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   3662: 		 }
                   3663: 		 return $a cmp $b;
                   3664: 	     } (keys(%$fullname))) {
1.126     ng       3665: 	$ctr++;
1.324     albertel 3666: 	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
1.269     raeburn  3667: 				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
1.41      ng       3668:     }
1.474     albertel 3669:     $result.=&Apache::loncommon::end_data_table();
1.41      ng       3670:     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
1.485     albertel 3671:     $result.='<input type="button" value="'.&mt('Save').'" '.
1.589     bisitz   3672: 	'onclick="javascript:submit();" target="_self" /></form>'."\n";
1.96      albertel 3673:     if (scalar(%$fullname) eq 0) {
                   3674: 	my $colspan=3+scalar(@parts);
1.433     banghart 3675: 	my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
1.442     banghart 3676:         my $stu_status = join(' or ',&Apache::loncommon::get_env_multiple('form.Status'));
1.433     banghart 3677: 	$result='<span class="LC_warning">'.
1.485     albertel 3678: 	    &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.',
1.442     banghart 3679: 	        $section_display, $stu_status).
1.433     banghart 3680: 	    '</span>';
1.96      albertel 3681:     }
1.41      ng       3682:     return $result;
                   3683: }
                   3684: 
1.44      ng       3685: #--- call by previous routine to display each student
1.41      ng       3686: sub viewstudentgrade {
1.324     albertel 3687:     my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
1.44      ng       3688:     my ($uname,$udom) = split(/:/,$student);
                   3689:     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
1.269     raeburn  3690:     my %aggregates = (); 
1.474     albertel 3691:     my $result=&Apache::loncommon::start_data_table_row().'<td align="right">'.
1.233     albertel 3692: 	'<input type="hidden" name="ctr'.($ctr-1).'" value="'.$student.'" />'.
                   3693: 	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
1.44      ng       3694: 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel 3695: 	'\');" target="_self">'.$fullname.'</a> '.
1.398     albertel 3696: 	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
1.281     albertel 3697:     $student=~s/:/_/; # colon doen't work in javascript for names
1.63      albertel 3698:     foreach my $apart (@$parts) {
                   3699: 	my ($part,$type) = &split_part_type($apart);
1.41      ng       3700: 	my $score=$record{"resource.$part.$type"};
1.276     albertel 3701:         $result.='<td align="center">';
1.269     raeburn  3702:         my ($aggtries,$totaltries);
                   3703:         unless (exists($aggregates{$part})) {
1.270     albertel 3704: 	    $totaltries = $record{'resource.'.$part.'.tries'};
                   3705: 
                   3706: 	    $aggtries = $totaltries;
1.269     raeburn  3707:             if ($$last_resets{$part}) {  
1.270     albertel 3708:                 $aggtries = &get_num_tries(\%record,$$last_resets{$part},
                   3709: 					   $part);
                   3710:             }
1.269     raeburn  3711:             $result.='<input type="hidden" name="'.
                   3712:                 'GD_'.$student.'_'.$part.'_aggtries" value="'.$aggtries.'" />'."\n";
                   3713:             $result.='<input type="hidden" name="'.
                   3714:                 'GD_'.$student.'_'.$part.'_totaltries" value="'.$totaltries.'" />'."\n";
                   3715:             $aggregates{$part} = 1;
                   3716:         }
1.41      ng       3717: 	if ($type eq 'awarded') {
1.320     albertel 3718: 	    my $pts = $score eq '' ? '' : &compute_points($score,$$weight{$part});
1.42      ng       3719: 	    $result.='<input type="hidden" name="'.
1.89      albertel 3720: 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
1.233     albertel 3721: 	    $result.='<input type="text" name="'.
1.89      albertel 3722: 		'GD_'.$student.'_'.$part.'_awarded" '.
1.589     bisitz   3723:                 'onchange="javascript:changeSelect(\''.$part.'\',\''.$student.
1.44      ng       3724: 		'\')" value="'.$pts.'" size="4" /></td>'."\n";
1.41      ng       3725: 	} elsif ($type eq 'solved') {
                   3726: 	    my ($status,$foo)=split(/_/,$score,2);
                   3727: 	    $status = 'nothing' if ($status eq '');
1.89      albertel 3728: 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
1.54      albertel 3729: 		$part.'_solved_s" value="'.$status.'" />'."\n";
1.233     albertel 3730: 	    $result.='&nbsp;<select name="'.
1.89      albertel 3731: 		'GD_'.$student.'_'.$part.'_solved" '.
1.589     bisitz   3732:                 'onchange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
1.485     albertel 3733: 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="selected" value="excused">'.&mt('excused').'</option>' 
                   3734: 		: '<option selected="selected"> </option><option value="excused">'.&mt('excused').'</option>')."\n";
                   3735: 	    $result.='<option value="reset status">'.&mt('reset status').'</option>';
1.126     ng       3736: 	    $result.="</select>&nbsp;</td>\n";
1.122     ng       3737: 	} else {
                   3738: 	    $result.='<input type="hidden" name="'.
                   3739: 		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
                   3740: 		    "\n";
1.233     albertel 3741: 	    $result.='<input type="text" name="'.
1.122     ng       3742: 		'GD_'.$student.'_'.$part.'_'.$type.'" '.
                   3743: 		'value="'.$score.'" size="4" /></td>'."\n";
1.41      ng       3744: 	}
                   3745:     }
1.474     albertel 3746:     $result.=&Apache::loncommon::end_data_table_row();
1.41      ng       3747:     return $result;
1.38      ng       3748: }
                   3749: 
1.44      ng       3750: #--- change scores for all the students in a section/class
                   3751: #    record does not get update if unchanged
1.38      ng       3752: sub editgrades {
1.608     www      3753:     my ($request,$symb) = @_;
1.41      ng       3754: 
1.433     banghart 3755:     my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
1.477     albertel 3756:     my $title='<h2>'.&mt('Current Grade Status').'</h2>';
1.433     banghart 3757:     $title.='<h4>'.&mt('<b>Section: </b>[_1]',$section_display).'</h4>'."\n";
1.126     ng       3758: 
1.477     albertel 3759:     my $result= &Apache::loncommon::start_data_table().
                   3760: 	&Apache::loncommon::start_data_table_header_row().
                   3761: 	'<th rowspan="2" valign="middle">'.&mt('No.').'</th>'.
                   3762: 	'<th rowspan="2" valign="middle">'.&nameUserString('header')."</th>\n";
1.43      ng       3763:     my %scoreptr = (
                   3764: 		    'correct'  =>'correct_by_override',
                   3765: 		    'incorrect'=>'incorrect_by_override',
                   3766: 		    'excused'  =>'excused',
                   3767: 		    'ungraded' =>'ungraded_attempted',
1.596     raeburn  3768:                     'credited' =>'credit_attempted',
1.43      ng       3769: 		    'nothing'  => '',
                   3770: 		    );
1.257     albertel 3771:     my ($classlist,undef,$fullname) = &getclasslist($env{'form.section'},'0');
1.34      ng       3772: 
1.44      ng       3773:     my (@partid);
                   3774:     my %weight = ();
1.54      albertel 3775:     my %columns = ();
1.44      ng       3776:     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
1.54      albertel 3777: 
1.582     raeburn  3778:     my $partserror;
                   3779:     my (@parts) = sort(&getpartlist($symb,\$partserror));
                   3780:     if ($partserror) {
                   3781:         return &navmap_errormsg();
                   3782:     }
1.54      albertel 3783:     my $header;
1.257     albertel 3784:     while ($ctr < $env{'form.totalparts'}) {
                   3785: 	my $partid = $env{'form.partid_'.$ctr};
1.524     raeburn  3786: 	push(@partid,$partid);
1.257     albertel 3787: 	$weight{$partid} = $env{'form.weight_'.$partid};
1.44      ng       3788: 	$ctr++;
1.54      albertel 3789:     }
1.324     albertel 3790:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.54      albertel 3791:     foreach my $partid (@partid) {
1.478     albertel 3792: 	$header .= '<th align="center">'.&mt('Old Score').'</th>'.
                   3793: 	    '<th align="center">'.&mt('New Score').'</th>';
1.54      albertel 3794: 	$columns{$partid}=2;
                   3795: 	foreach my $stores (@parts) {
                   3796: 	    my ($part,$type) = &split_part_type($stores);
                   3797: 	    if ($part !~ m/^\Q$partid\E/) { next;}
                   3798: 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
                   3799: 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
1.551     raeburn  3800: 	    $display =~ s/\[Part: \Q$part\E\]//;
1.539     riegler  3801:             my $narrowtext = &mt('Tries');
                   3802: 	    $display =~ s/Number of Attempts/$narrowtext/;
                   3803: 	    $header .= '<th align="center">'.&mt('Old').' '.$display.'</th>'.
                   3804: 		'<th align="center">'.&mt('New').' '.$display.'</th>';
1.54      albertel 3805: 	    $columns{$partid}+=2;
                   3806: 	}
                   3807:     }
                   3808:     foreach my $partid (@partid) {
1.324     albertel 3809: 	my $display_part=&get_display_part($partid,$symb);
1.478     albertel 3810: 	$result .= '<th colspan="'.$columns{$partid}.'" align="center">'.
                   3811: 	    &mt('Part: [_1] (Weight = [_2])',$display_part,$weight{$partid}).
                   3812: 	    '</th>';
1.54      albertel 3813: 
1.44      ng       3814:     }
1.477     albertel 3815:     $result .= &Apache::loncommon::end_data_table_header_row().
                   3816: 	&Apache::loncommon::start_data_table_header_row().
                   3817: 	$header.
                   3818: 	&Apache::loncommon::end_data_table_header_row();
                   3819:     my @noupdate;
1.126     ng       3820:     my ($updateCtr,$noupdateCtr) = (1,1);
1.257     albertel 3821:     for ($i=0; $i<$env{'form.total'}; $i++) {
1.93      albertel 3822: 	my $line;
1.257     albertel 3823: 	my $user = $env{'form.ctr'.$i};
1.281     albertel 3824: 	my ($uname,$udom)=split(/:/,$user);
1.44      ng       3825: 	my %newrecord;
                   3826: 	my $updateflag = 0;
1.281     albertel 3827: 	$line .= '<td>'.&nameUserString(undef,$$fullname{$user},$uname,$udom).'</td>';
1.108     albertel 3828: 	my $usec=$classlist->{"$uname:$udom"}[5];
1.105     albertel 3829: 	if (!&canmodify($usec)) {
1.126     ng       3830: 	    my $numcols=scalar(@partid)*4+2;
1.477     albertel 3831: 	    push(@noupdate,
1.478     albertel 3832: 		 $line."<td colspan=\"$numcols\"><span class=\"LC_warning\">".
                   3833: 		 &mt('Not allowed to modify student')."</span></td></tr>");
1.105     albertel 3834: 	    next;
                   3835: 	}
1.269     raeburn  3836:         my %aggregate = ();
                   3837:         my $aggregateflag = 0;
1.281     albertel 3838: 	$user=~s/:/_/; # colon doen't work in javascript for names
1.44      ng       3839: 	foreach (@partid) {
1.257     albertel 3840: 	    my $old_aw    = $env{'form.GD_'.$user.'_'.$_.'_awarded_s'};
1.54      albertel 3841: 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
                   3842: 	    my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
1.257     albertel 3843: 	    my $old_score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
                   3844: 	    my $awarded   = $env{'form.GD_'.$user.'_'.$_.'_awarded'};
1.54      albertel 3845: 	    my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
                   3846: 	    my $partial   = $awarded eq '' ? '' : $pcr;
1.44      ng       3847: 	    my $score;
                   3848: 	    if ($partial eq '') {
1.257     albertel 3849: 		$score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
1.44      ng       3850: 	    } elsif ($partial > 0) {
                   3851: 		$score = 'correct_by_override';
                   3852: 	    } elsif ($partial == 0) {
                   3853: 		$score = 'incorrect_by_override';
                   3854: 	    }
1.257     albertel 3855: 	    my $dropMenu = $env{'form.GD_'.$user.'_'.$_.'_solved'};
1.125     ng       3856: 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
                   3857: 
1.292     albertel 3858: 	    $newrecord{'resource.'.$_.'.regrader'}=
                   3859: 		"$env{'user.name'}:$env{'user.domain'}";
1.125     ng       3860: 	    if ($dropMenu eq 'reset status' &&
                   3861: 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
1.299     albertel 3862: 		$newrecord{'resource.'.$_.'.tries'} = '';
1.125     ng       3863: 		$newrecord{'resource.'.$_.'.solved'} = '';
                   3864: 		$newrecord{'resource.'.$_.'.award'} = '';
1.299     albertel 3865: 		$newrecord{'resource.'.$_.'.awarded'} = '';
1.125     ng       3866: 		$updateflag = 1;
1.269     raeburn  3867:                 if ($env{'form.GD_'.$user.'_'.$_.'_aggtries'} > 0) {
                   3868:                     my $aggtries = $env{'form.GD_'.$user.'_'.$_.'_aggtries'};
                   3869:                     my $totaltries = $env{'form.GD_'.$user.'_'.$_.'_totaltries'};
                   3870:                     my $solvedstatus = $env{'form.GD_'.$user.'_'.$_.'_solved_s'};
                   3871:                     &decrement_aggs($symb,$_,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   3872:                     $aggregateflag = 1;
                   3873:                 }
1.139     albertel 3874: 	    } elsif (!($old_part eq $partial && $old_score eq $score)) {
                   3875: 		$updateflag = 1;
                   3876: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
                   3877: 		$newrecord{'resource.'.$_.'.solved'}   = $score;
                   3878: 		$rec_update++;
1.125     ng       3879: 	    }
                   3880: 
1.93      albertel 3881: 	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.44      ng       3882: 		'<td align="center">'.$awarded.
                   3883: 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
1.5       albertel 3884: 
1.54      albertel 3885: 
                   3886: 	    my $partid=$_;
                   3887: 	    foreach my $stores (@parts) {
                   3888: 		my ($part,$type) = &split_part_type($stores);
                   3889: 		if ($part !~ m/^\Q$partid\E/) { next;}
                   3890: 		if ($type eq 'awarded' || $type eq 'solved') { next; }
1.257     albertel 3891: 		my $old_aw    = $env{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
                   3892: 		my $awarded   = $env{'form.GD_'.$user.'_'.$part.'_'.$type};
1.54      albertel 3893: 		if ($awarded ne '' && $awarded ne $old_aw) {
                   3894: 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
1.257     albertel 3895: 		    $newrecord{'resource.'.$part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.54      albertel 3896: 		    $updateflag=1;
                   3897: 		}
1.93      albertel 3898: 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.54      albertel 3899: 		    '<td align="center">'.$awarded.'&nbsp;</td>';
                   3900: 	    }
1.44      ng       3901: 	}
1.477     albertel 3902: 	$line.="\n";
1.301     albertel 3903: 
                   3904: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3905: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3906: 
1.44      ng       3907: 	if ($updateflag) {
                   3908: 	    $count++;
1.257     albertel 3909: 	    &Apache::lonnet::cstore(\%newrecord,$symb,$env{'request.course.id'},
1.89      albertel 3910: 				    $udom,$uname);
1.301     albertel 3911: 
                   3912: 	    if (&Apache::bridgetask::in_queue('gradingqueue',$symb,$cdom,
                   3913: 					      $cnum,$udom,$uname)) {
                   3914: 		# need to figure out if should be in queue.
                   3915: 		my %record =  
                   3916: 		    &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   3917: 					     $udom,$uname);
                   3918: 		my $all_graded = 1;
                   3919: 		my $none_graded = 1;
                   3920: 		foreach my $part (@parts) {
                   3921: 		    if ( $record{'resource.'.$part.'.awarded'} eq '' ) {
                   3922: 			$all_graded = 0;
                   3923: 		    } else {
                   3924: 			$none_graded = 0;
                   3925: 		    }
                   3926: 		}
                   3927: 
                   3928: 		if ($all_graded || $none_graded) {
                   3929: 		    &Apache::bridgetask::remove_from_queue('gradingqueue',
                   3930: 							   $symb,$cdom,$cnum,
                   3931: 							   $udom,$uname);
                   3932: 		}
                   3933: 	    }
                   3934: 
1.477     albertel 3935: 	    $result.=&Apache::loncommon::start_data_table_row().
                   3936: 		'<td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line.
                   3937: 		&Apache::loncommon::end_data_table_row();
1.126     ng       3938: 	    $updateCtr++;
1.93      albertel 3939: 	} else {
1.477     albertel 3940: 	    push(@noupdate,
                   3941: 		 '<td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line);
1.126     ng       3942: 	    $noupdateCtr++;
1.44      ng       3943: 	}
1.269     raeburn  3944:         if ($aggregateflag) {
                   3945:             &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 3946: 				  $cdom,$cnum);
1.269     raeburn  3947:         }
1.93      albertel 3948:     }
1.477     albertel 3949:     if (@noupdate) {
1.126     ng       3950: #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
                   3951: 	my $numcols=scalar(@partid)*4+2;
1.477     albertel 3952: 	$result .= &Apache::loncommon::start_data_table_row('LC_empty_row').
1.478     albertel 3953: 	    '<td align="center" colspan="'.$numcols.'">'.
                   3954: 	    &mt('No Changes Occurred For the Students Below').
                   3955: 	    '</td>'.
1.477     albertel 3956: 	    &Apache::loncommon::end_data_table_row();
                   3957: 	foreach my $line (@noupdate) {
                   3958: 	    $result.=
                   3959: 		&Apache::loncommon::start_data_table_row().
                   3960: 		$line.
                   3961: 		&Apache::loncommon::end_data_table_row();
                   3962: 	}
1.44      ng       3963:     }
1.614     www      3964:     $result .= &Apache::loncommon::end_data_table();
1.478     albertel 3965:     my $msg = '<p><b>'.
                   3966: 	&mt('Number of records updated = [_1] for [quant,_2,student].',
                   3967: 	    $rec_update,$count).'</b><br />'.
                   3968: 	'<b>'.&mt('Total number of students = [_1]',$env{'form.total'}).
                   3969: 	'</b></p>';
1.44      ng       3970:     return $title.$msg.$result;
1.5       albertel 3971: }
1.54      albertel 3972: 
                   3973: sub split_part_type {
                   3974:     my ($partstr) = @_;
                   3975:     my ($temp,@allparts)=split(/_/,$partstr);
                   3976:     my $type=pop(@allparts);
1.439     albertel 3977:     my $part=join('_',@allparts);
1.54      albertel 3978:     return ($part,$type);
                   3979: }
                   3980: 
1.44      ng       3981: #------------- end of section for handling grading by section/class ---------
                   3982: #
                   3983: #----------------------------------------------------------------------------
                   3984: 
1.5       albertel 3985: 
1.44      ng       3986: #----------------------------------------------------------------------------
                   3987: #
                   3988: #-------------------------- Next few routines handles grading by csv upload
                   3989: #
                   3990: #--- Javascript to handle csv upload
1.27      albertel 3991: sub csvupload_javascript_reverse_associate {
1.573     bisitz   3992:     my $error1=&mt('You need to specify the username or the student/employee ID');
1.246     albertel 3993:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 3994:   return(<<ENDPICK);
                   3995:   function verify(vf) {
                   3996:     var foundsomething=0;
                   3997:     var founduname=0;
1.243     albertel 3998:     var foundID=0;
1.27      albertel 3999:     for (i=0;i<=vf.nfields.value;i++) {
                   4000:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 4001:       if (i==0 && tw!=0) { foundID=1; }
                   4002:       if (i==1 && tw!=0) { founduname=1; }
                   4003:       if (i!=0 && i!=1 && i!=2 && tw!=0) { foundsomething=1; }
1.27      albertel 4004:     }
1.246     albertel 4005:     if (founduname==0 && foundID==0) {
                   4006: 	alert('$error1');
                   4007: 	return;
1.27      albertel 4008:     }
                   4009:     if (foundsomething==0) {
1.246     albertel 4010: 	alert('$error2');
                   4011: 	return;
1.27      albertel 4012:     }
                   4013:     vf.submit();
                   4014:   }
                   4015:   function flip(vf,tf) {
                   4016:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   4017:     var i;
                   4018:     for (i=0;i<=vf.nfields.value;i++) {
                   4019:       //can not pick the same destination field for both name and domain
                   4020:       if (((i ==0)||(i ==1)) && 
                   4021:           ((tf==0)||(tf==1)) && 
                   4022:           (i!=tf) &&
                   4023:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   4024:         eval('vf.f'+i+'.selectedIndex=0;')
                   4025:       }
                   4026:     }
                   4027:   }
                   4028: ENDPICK
                   4029: }
                   4030: 
                   4031: sub csvupload_javascript_forward_associate {
1.573     bisitz   4032:     my $error1=&mt('You need to specify the username or the student/employee ID');
1.246     albertel 4033:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 4034:   return(<<ENDPICK);
                   4035:   function verify(vf) {
                   4036:     var foundsomething=0;
                   4037:     var founduname=0;
1.243     albertel 4038:     var foundID=0;
1.27      albertel 4039:     for (i=0;i<=vf.nfields.value;i++) {
                   4040:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 4041:       if (tw==1) { foundID=1; }
                   4042:       if (tw==2) { founduname=1; }
                   4043:       if (tw>3) { foundsomething=1; }
1.27      albertel 4044:     }
1.246     albertel 4045:     if (founduname==0 && foundID==0) {
                   4046: 	alert('$error1');
                   4047: 	return;
1.27      albertel 4048:     }
                   4049:     if (foundsomething==0) {
1.246     albertel 4050: 	alert('$error2');
                   4051: 	return;
1.27      albertel 4052:     }
                   4053:     vf.submit();
                   4054:   }
                   4055:   function flip(vf,tf) {
                   4056:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   4057:     var i;
                   4058:     //can not pick the same destination field twice
                   4059:     for (i=0;i<=vf.nfields.value;i++) {
                   4060:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   4061:         eval('vf.f'+i+'.selectedIndex=0;')
                   4062:       }
                   4063:     }
                   4064:   }
                   4065: ENDPICK
                   4066: }
                   4067: 
1.26      albertel 4068: sub csvuploadmap_header {
1.324     albertel 4069:     my ($request,$symb,$datatoken,$distotal)= @_;
1.41      ng       4070:     my $javascript;
1.257     albertel 4071:     if ($env{'form.upfile_associate'} eq 'reverse') {
1.41      ng       4072: 	$javascript=&csvupload_javascript_reverse_associate();
                   4073:     } else {
                   4074: 	$javascript=&csvupload_javascript_forward_associate();
                   4075:     }
1.45      ng       4076: 
1.418     albertel 4077:     $symb = &Apache::lonenc::check_encrypt($symb);
1.632     www      4078:     $request->print('<form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">'.
                   4079:                     &mt('Total number of records found in file: [_1]',$distotal).'<hr />'.
                   4080:                     &mt('Associate entries from the uploaded file with as many fields as you can.'));
                   4081:     my $reverse=&mt("Reverse Association");
1.41      ng       4082:     $request->print(<<ENDPICK);
1.632     www      4083: <br />
                   4084: <input type="button" value="$reverse" onclick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1.26      albertel 4085: <input type="hidden" name="associate"  value="" />
                   4086: <input type="hidden" name="phase"      value="three" />
                   4087: <input type="hidden" name="datatoken"  value="$datatoken" />
1.257     albertel 4088: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
                   4089: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
1.26      albertel 4090: <input type="hidden" name="upfile_associate" 
1.257     albertel 4091:                                        value="$env{'form.upfile_associate'}" />
1.26      albertel 4092: <input type="hidden" name="symb"       value="$symb" />
1.246     albertel 4093: <input type="hidden" name="command"    value="csvuploadoptions" />
1.26      albertel 4094: <hr />
                   4095: ENDPICK
1.597     wenzelju 4096:     $request->print(&Apache::lonhtmlcommon::scripttag($javascript));
1.118     ng       4097:     return '';
1.26      albertel 4098: 
                   4099: }
                   4100: 
                   4101: sub csvupload_fields {
1.582     raeburn  4102:     my ($symb,$errorref) = @_;
                   4103:     my (@parts) = &getpartlist($symb,$errorref);
                   4104:     if (ref($errorref)) {
                   4105:         if ($$errorref) {
                   4106:             return;
                   4107:         }
                   4108:     }
                   4109: 
1.556     weissno  4110:     my @fields=(['ID','Student/Employee ID'],
1.243     albertel 4111: 		['username','Student Username'],
                   4112: 		['domain','Student Domain']);
1.324     albertel 4113:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.41      ng       4114:     foreach my $part (sort(@parts)) {
                   4115: 	my @datum;
                   4116: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
                   4117: 	my $name=$part;
                   4118: 	if  (!$display) { $display = $name; }
                   4119: 	@datum=($name,$display);
1.244     albertel 4120: 	if ($name=~/^stores_(.*)_awarded/) {
                   4121: 	    push(@fields,['stores_'.$1.'_points',"Points [Part: $1]"]);
                   4122: 	}
1.41      ng       4123: 	push(@fields,\@datum);
                   4124:     }
                   4125:     return (@fields);
1.26      albertel 4126: }
                   4127: 
                   4128: sub csvuploadmap_footer {
1.41      ng       4129:     my ($request,$i,$keyfields) =@_;
                   4130:     $request->print(<<ENDPICK);
1.26      albertel 4131: </table>
                   4132: <input type="hidden" name="nfields" value="$i" />
                   4133: <input type="hidden" name="keyfields" value="$keyfields" />
1.589     bisitz   4134: <input type="button" onclick="javascript:verify(this.form)" value="Assign Grades" /><br />
1.26      albertel 4135: </form>
                   4136: ENDPICK
                   4137: }
                   4138: 
1.283     albertel 4139: sub checkforfile_js {
1.638     www      4140:     my $alertmsg = &mt('Please use the browse button to select a file from your local directory.');
1.597     wenzelju 4141:     my $result = &Apache::lonhtmlcommon::scripttag(<<CSVFORMJS);
1.86      ng       4142:     function checkUpload(formname) {
                   4143: 	if (formname.upfile.value == "") {
1.539     riegler  4144: 	    alert("$alertmsg");
1.86      ng       4145: 	    return false;
                   4146: 	}
                   4147: 	formname.submit();
                   4148:     }
                   4149: CSVFORMJS
1.283     albertel 4150:     return $result;
                   4151: }
                   4152: 
                   4153: sub upcsvScores_form {
1.608     www      4154:     my ($request,$symb) = @_;
1.283     albertel 4155:     if (!$symb) {return '';}
                   4156:     my $result=&checkforfile_js();
1.632     www      4157:     $result.=&Apache::loncommon::start_data_table().
                   4158:              &Apache::loncommon::start_data_table_header_row().
                   4159:              '<th>'.&mt('Specify a file containing the class scores for current resource.').'</th>'.
                   4160:              &Apache::loncommon::end_data_table_header_row().
                   4161:              &Apache::loncommon::start_data_table_row().'<td>';
1.370     www      4162:     my $upload=&mt("Upload Scores");
1.86      ng       4163:     my $upfile_select=&Apache::loncommon::upfile_select_html();
1.245     albertel 4164:     my $ignore=&mt('Ignore First Line');
1.418     albertel 4165:     $symb = &Apache::lonenc::check_encrypt($symb);
1.86      ng       4166:     $result.=<<ENDUPFORM;
1.106     albertel 4167: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.86      ng       4168: <input type="hidden" name="symb" value="$symb" />
                   4169: <input type="hidden" name="command" value="csvuploadmap" />
                   4170: $upfile_select
1.589     bisitz   4171: <br /><input type="button" onclick="javascript:checkUpload(this.form);" value="$upload" />
1.86      ng       4172: </form>
                   4173: ENDUPFORM
1.370     www      4174:     $result.=&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1.632     www      4175:                            &mt("How do I create a CSV file from a spreadsheet")).
                   4176:              '</td>'.
                   4177:             &Apache::loncommon::end_data_table_row().
                   4178:             &Apache::loncommon::end_data_table();
1.86      ng       4179:     return $result;
                   4180: }
                   4181: 
                   4182: 
1.26      albertel 4183: sub csvuploadmap {
1.608     www      4184:     my ($request,$symb)= @_;
1.41      ng       4185:     if (!$symb) {return '';}
1.72      ng       4186: 
1.41      ng       4187:     my $datatoken;
1.257     albertel 4188:     if (!$env{'form.datatoken'}) {
1.41      ng       4189: 	$datatoken=&Apache::loncommon::upfile_store($request);
1.26      albertel 4190:     } else {
1.257     albertel 4191: 	$datatoken=$env{'form.datatoken'};
1.41      ng       4192: 	&Apache::loncommon::load_tmp_file($request);
1.26      albertel 4193:     }
1.41      ng       4194:     my @records=&Apache::loncommon::upfile_record_sep();
1.324     albertel 4195:     &csvuploadmap_header($request,$symb,$datatoken,$#records+1);
1.41      ng       4196:     my ($i,$keyfields);
                   4197:     if (@records) {
1.582     raeburn  4198:         my $fieldserror;
                   4199: 	my @fields=&csvupload_fields($symb,\$fieldserror);
                   4200:         if ($fieldserror) {
                   4201:             $request->print(&navmap_errormsg());
                   4202:             return;
                   4203:         }
1.257     albertel 4204: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
1.41      ng       4205: 	    &Apache::loncommon::csv_print_samples($request,\@records);
                   4206: 	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
                   4207: 							  \@fields);
                   4208: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
                   4209: 	    chop($keyfields);
                   4210: 	} else {
                   4211: 	    unshift(@fields,['none','']);
                   4212: 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
                   4213: 							    \@fields);
1.311     banghart 4214:             foreach my $rec (@records) {
                   4215:                 my %temp = &Apache::loncommon::record_sep($rec);
                   4216:                 if (%temp) {
                   4217:                     $keyfields=join(',',sort(keys(%temp)));
                   4218:                     last;
                   4219:                 }
                   4220:             }
1.41      ng       4221: 	}
                   4222:     }
                   4223:     &csvuploadmap_footer($request,$i,$keyfields);
1.72      ng       4224: 
1.41      ng       4225:     return '';
1.27      albertel 4226: }
                   4227: 
1.246     albertel 4228: sub csvuploadoptions {
1.608     www      4229:     my ($request,$symb)= @_;
1.632     www      4230:     my $overwrite=&mt('Overwrite any existing score');
1.246     albertel 4231:     $request->print(<<ENDPICK);
                   4232: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                   4233: <input type="hidden" name="command"    value="csvuploadassign" />
                   4234: <p>
                   4235: <label>
                   4236:    <input type="checkbox" name="overwite_scores" checked="checked" />
1.632     www      4237:    $overwrite
1.246     albertel 4238: </label>
                   4239: </p>
                   4240: ENDPICK
                   4241:     my %fields=&get_fields();
                   4242:     if (!defined($fields{'domain'})) {
1.257     albertel 4243: 	my $domform = &Apache::loncommon::select_dom_form($env{'request.role.domain'},'default_domain');
1.632     www      4244: 	$request->print("\n<p>".&mt('Users are in domain: [_1]',$domform)."</p>\n");
1.246     albertel 4245:     }
1.257     albertel 4246:     foreach my $key (sort(keys(%env))) {
1.246     albertel 4247: 	if ($key !~ /^form\.(.*)$/) { next; }
                   4248: 	my $cleankey=$1;
                   4249: 	if ($cleankey eq 'command') { next; }
                   4250: 	$request->print('<input type="hidden" name="'.$cleankey.
1.257     albertel 4251: 			'"  value="'.$env{$key}.'" />'."\n");
1.246     albertel 4252:     }
                   4253:     # FIXME do a check for any duplicated user ids...
                   4254:     # FIXME do a check for any invalid user ids?...
1.290     albertel 4255:     $request->print('<input type="submit" value="Assign Grades" /><br />
                   4256: <hr /></form>'."\n");
1.246     albertel 4257:     return '';
                   4258: }
                   4259: 
                   4260: sub get_fields {
                   4261:     my %fields;
1.257     albertel 4262:     my @keyfields = split(/\,/,$env{'form.keyfields'});
                   4263:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
                   4264: 	if ($env{'form.upfile_associate'} eq 'reverse') {
                   4265: 	    if ($env{'form.f'.$i} ne 'none') {
                   4266: 		$fields{$keyfields[$i]}=$env{'form.f'.$i};
1.41      ng       4267: 	    }
                   4268: 	} else {
1.257     albertel 4269: 	    if ($env{'form.f'.$i} ne 'none') {
                   4270: 		$fields{$env{'form.f'.$i}}=$keyfields[$i];
1.41      ng       4271: 	    }
                   4272: 	}
1.27      albertel 4273:     }
1.246     albertel 4274:     return %fields;
                   4275: }
                   4276: 
                   4277: sub csvuploadassign {
1.608     www      4278:     my ($request,$symb)= @_;
1.246     albertel 4279:     if (!$symb) {return '';}
1.345     bowersj2 4280:     my $error_msg = '';
1.246     albertel 4281:     &Apache::loncommon::load_tmp_file($request);
                   4282:     my @gradedata = &Apache::loncommon::upfile_record_sep();
                   4283:     my %fields=&get_fields();
1.257     albertel 4284:     my $courseid=$env{'request.course.id'};
1.97      albertel 4285:     my ($classlist) = &getclasslist('all',0);
1.106     albertel 4286:     my @notallowed;
1.41      ng       4287:     my @skipped;
1.657     raeburn  4288:     my @warnings;
1.41      ng       4289:     my $countdone=0;
                   4290:     foreach my $grade (@gradedata) {
                   4291: 	my %entries=&Apache::loncommon::record_sep($grade);
1.246     albertel 4292: 	my $domain;
                   4293: 	if ($entries{$fields{'domain'}}) {
                   4294: 	    $domain=$entries{$fields{'domain'}};
                   4295: 	} else {
1.257     albertel 4296: 	    $domain=$env{'form.default_domain'};
1.246     albertel 4297: 	}
1.243     albertel 4298: 	$domain=~s/\s//g;
1.41      ng       4299: 	my $username=$entries{$fields{'username'}};
1.160     albertel 4300: 	$username=~s/\s//g;
1.243     albertel 4301: 	if (!$username) {
                   4302: 	    my $id=$entries{$fields{'ID'}};
1.247     albertel 4303: 	    $id=~s/\s//g;
1.243     albertel 4304: 	    my %ids=&Apache::lonnet::idget($domain,$id);
                   4305: 	    $username=$ids{$id};
                   4306: 	}
1.41      ng       4307: 	if (!exists($$classlist{"$username:$domain"})) {
1.247     albertel 4308: 	    my $id=$entries{$fields{'ID'}};
                   4309: 	    $id=~s/\s//g;
                   4310: 	    if ($id) {
                   4311: 		push(@skipped,"$id:$domain");
                   4312: 	    } else {
                   4313: 		push(@skipped,"$username:$domain");
                   4314: 	    }
1.41      ng       4315: 	    next;
                   4316: 	}
1.108     albertel 4317: 	my $usec=$classlist->{"$username:$domain"}[5];
1.106     albertel 4318: 	if (!&canmodify($usec)) {
                   4319: 	    push(@notallowed,"$username:$domain");
                   4320: 	    next;
                   4321: 	}
1.244     albertel 4322: 	my %points;
1.41      ng       4323: 	my %grades;
                   4324: 	foreach my $dest (keys(%fields)) {
1.244     albertel 4325: 	    if ($dest eq 'ID' || $dest eq 'username' ||
                   4326: 		$dest eq 'domain') { next; }
                   4327: 	    if ($entries{$fields{$dest}} =~ /^\s*$/) { next; }
                   4328: 	    if ($dest=~/stores_(.*)_points/) {
                   4329: 		my $part=$1;
                   4330: 		my $wgt =&Apache::lonnet::EXT('resource.'.$part.'.weight',
                   4331: 					      $symb,$domain,$username);
1.345     bowersj2 4332:                 if ($wgt) {
                   4333:                     $entries{$fields{$dest}}=~s/\s//g;
                   4334:                     my $pcr=$entries{$fields{$dest}} / $wgt;
1.463     albertel 4335:                     my $award=($pcr == 0) ? 'incorrect_by_override'
                   4336:                                           : 'correct_by_override';
1.638     www      4337:                     if ($pcr>1) {
1.657     raeburn  4338:                        push(@warnings,&mt("[_1]: point value larger than weight","$username:$domain"));
1.638     www      4339:                     }
1.345     bowersj2 4340:                     $grades{"resource.$part.awarded"}=$pcr;
                   4341:                     $grades{"resource.$part.solved"}=$award;
                   4342:                     $points{$part}=1;
                   4343:                 } else {
                   4344:                     $error_msg = "<br />" .
                   4345:                         &mt("Some point values were assigned"
                   4346:                             ." for problems with a weight "
                   4347:                             ."of zero. These values were "
                   4348:                             ."ignored.");
                   4349:                 }
1.244     albertel 4350: 	    } else {
                   4351: 		if ($dest=~/stores_(.*)_awarded/) { if ($points{$1}) {next;} }
                   4352: 		if ($dest=~/stores_(.*)_solved/)  { if ($points{$1}) {next;} }
                   4353: 		my $store_key=$dest;
                   4354: 		$store_key=~s/^stores/resource/;
                   4355: 		$store_key=~s/_/\./g;
                   4356: 		$grades{$store_key}=$entries{$fields{$dest}};
                   4357: 	    }
1.41      ng       4358: 	}
1.508     www      4359: 	if (! %grades) { 
                   4360:            push(@skipped,&mt("[_1]: no data to save","$username:$domain")); 
                   4361:         } else {
                   4362: 	   $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
                   4363: 	   my $result=&Apache::lonnet::cstore(\%grades,$symb,
1.302     albertel 4364: 					   $env{'request.course.id'},
                   4365: 					   $domain,$username);
1.508     www      4366: 	   if ($result eq 'ok') {
1.627     www      4367: # Successfully stored
1.508     www      4368: 	      $request->print('.');
1.627     www      4369: # Remove from grading queue
                   4370:               &Apache::bridgetask::remove_from_queue('gradingqueue',$symb,
                   4371:                                              $env{'course.'.$env{'request.course.id'}.'.domain'},
                   4372:                                              $env{'course.'.$env{'request.course.id'}.'.num'},
                   4373:                                              $domain,$username);
                   4374:               $countdone++;
                   4375:            } else {
1.508     www      4376: 	      $request->print("<p><span class=\"LC_error\">".
                   4377:                               &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]",
                   4378:                                   "$username:$domain",$result)."</span></p>");
                   4379: 	   }
                   4380: 	   $request->rflush();
                   4381:         }
1.41      ng       4382:     }
1.570     www      4383:     $request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt("Saved scores for [quant,_1,student]",$countdone),$countdone==0));
1.657     raeburn  4384:     if (@warnings) {
                   4385:         $request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt('Warnings generated for the following saved scores:'),1).'<br />');
                   4386:         $request->print(join(', ',@warnings));
                   4387:     }
1.41      ng       4388:     if (@skipped) {
1.571     www      4389: 	$request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt('No scores stored for the following username(s):'),1).'<br />');
                   4390:         $request->print(join(', ',@skipped));
1.106     albertel 4391:     }
                   4392:     if (@notallowed) {
1.571     www      4393: 	$request->print('<br />'.&Apache::lonhtmlcommon::confirm_success(&mt('Modification of scores not allowed for the following username(s):'),1).'<br />');
                   4394: 	$request->print(join(', ',@notallowed));
1.41      ng       4395:     }
1.106     albertel 4396:     $request->print("<br />\n");
1.345     bowersj2 4397:     return $error_msg;
1.26      albertel 4398: }
1.44      ng       4399: #------------- end of section for handling csv file upload ---------
                   4400: #
                   4401: #-------------------------------------------------------------------
                   4402: #
1.122     ng       4403: #-------------- Next few routines handle grading by page/sequence
1.72      ng       4404: #
                   4405: #--- Select a page/sequence and a student to grade
1.68      ng       4406: sub pickStudentPage {
1.608     www      4407:     my ($request,$symb) = @_;
1.68      ng       4408: 
1.539     riegler  4409:     my $alertmsg = &mt('Please select the student you wish to grade.');
1.597     wenzelju 4410:     $request->print(&Apache::lonhtmlcommon::scripttag(<<LISTJAVASCRIPT));
1.68      ng       4411: 
                   4412: function checkPickOne(formname) {
1.76      ng       4413:     if (radioSelection(formname.student) == null) {
1.539     riegler  4414: 	alert("$alertmsg");
1.68      ng       4415: 	return;
                   4416:     }
1.125     ng       4417:     ptr = pullDownSelection(formname.selectpage);
                   4418:     formname.page.value = formname["page"+ptr].value;
                   4419:     formname.title.value = formname["title"+ptr].value;
1.68      ng       4420:     formname.submit();
                   4421: }
                   4422: 
                   4423: LISTJAVASCRIPT
1.118     ng       4424:     &commonJSfunctions($request);
1.608     www      4425: 
1.257     albertel 4426:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4427:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4428:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
1.68      ng       4429: 
1.398     albertel 4430:     my $result='<h3><span class="LC_info">&nbsp;'.
1.485     albertel 4431: 	&mt('Manual Grading by Page or Sequence').'</span></h3>';
1.68      ng       4432: 
1.80      ng       4433:     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
1.582     raeburn  4434:     my $map_error;
                   4435:     my ($titles,$symbx) = &getSymbMap($map_error);
                   4436:     if ($map_error) {
                   4437:         $request->print(&navmap_errormsg());
                   4438:         return; 
                   4439:     }
1.137     albertel 4440:     my ($curpage) =&Apache::lonnet::decode_symb($symb); 
                   4441: #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
                   4442: #    my $type=($curpage =~ /\.(page|sequence)/);
1.485     albertel 4443:     my $select = '<select name="selectpage">'."\n";
1.70      ng       4444:     my $ctr=0;
1.68      ng       4445:     foreach (@$titles) {
                   4446: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
1.485     albertel 4447: 	$select.='<option value="'.$ctr.'" '.
1.401     albertel 4448: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.71      ng       4449: 	    '>'.$showtitle.'</option>'."\n";
1.70      ng       4450: 	$ctr++;
1.68      ng       4451:     }
1.485     albertel 4452:     $select.= '</select>';
1.539     riegler  4453:     $result.='&nbsp;<b>'.&mt('Problems from').':</b> '.$select."<br />\n";
1.485     albertel 4454: 
1.70      ng       4455:     $ctr=0;
                   4456:     foreach (@$titles) {
                   4457: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   4458: 	$result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
                   4459: 	$result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
                   4460: 	$ctr++;
                   4461:     }
1.72      ng       4462:     $result.='<input type="hidden" name="page" />'."\n".
                   4463: 	'<input type="hidden" name="title" />'."\n";
1.68      ng       4464: 
1.485     albertel 4465:     my $options =
                   4466: 	'<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n".
                   4467: 	'<label><input type="radio" name="vProb" value="yes" /> '.&mt('yes').' </label>'."<br />\n";
1.539     riegler  4468:     $result.='&nbsp;<b>'.&mt('View Problem Text').': </b>'.$options;
1.485     albertel 4469: 
                   4470:     $options =
                   4471: 	'<label><input type="radio" name="lastSub" value="none" /> '.&mt('none').' </label>'."\n".
                   4472: 	'<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> '.&mt('by dates and submissions').'</label>'."\n".
                   4473: 	'<label><input type="radio" name="lastSub" value="all" /> '.&mt('all details').' </label>'."\n";
1.539     riegler  4474:     $result.='&nbsp;<b>'.&mt('Submissions').': </b>'.$options;
1.432     banghart 4475:     
                   4476:     $result.=&build_section_inputs();
1.442     banghart 4477:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
                   4478:     $result.='<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
1.72      ng       4479: 	'<input type="hidden" name="command" value="displayPage" />'."\n".
1.613     www      4480: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."<br />\n";
1.72      ng       4481: 
1.539     riegler  4482:     $result.='&nbsp;<b>'.&mt('Use CODE').': </b> <input type="text" name="CODE" value="" /> <br />'."\n";
1.382     albertel 4483: 
1.80      ng       4484:     $result.='&nbsp;<input type="button" '.
1.589     bisitz   4485:              'onclick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' &rarr;" /><br />'."\n";
1.72      ng       4486: 
1.68      ng       4487:     $request->print($result);
                   4488: 
1.485     albertel 4489:     my $studentTable.='&nbsp;<b>'.&mt('Select a student you wish to grade and then click on the Next button.').'</b><br />'.
1.484     albertel 4490: 	&Apache::loncommon::start_data_table().
                   4491: 	&Apache::loncommon::start_data_table_header_row().
1.485     albertel 4492: 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
1.484     albertel 4493: 	'<th>'.&nameUserString('header').'</th>'.
1.485     albertel 4494: 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
1.484     albertel 4495: 	'<th>'.&nameUserString('header').'</th>'.
                   4496: 	&Apache::loncommon::end_data_table_header_row();
1.68      ng       4497:  
1.76      ng       4498:     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
1.68      ng       4499:     my $ptr = 1;
1.294     albertel 4500:     foreach my $student (sort 
                   4501: 			 {
                   4502: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   4503: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   4504: 			     }
                   4505: 			     return $a cmp $b;
                   4506: 			 } (keys(%$fullname))) {
1.68      ng       4507: 	my ($uname,$udom) = split(/:/,$student);
1.484     albertel 4508: 	$studentTable.=($ptr%2==1 ? &Apache::loncommon::start_data_table_row()
                   4509:                                   : '</td>');
1.126     ng       4510: 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
1.288     albertel 4511: 	$studentTable.='<td>&nbsp;<label><input type="radio" name="student" value="'.$student.'" /> '
                   4512: 	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."</label>\n";
1.484     albertel 4513: 	$studentTable.=
                   4514: 	    ($ptr%2 == 0 ? '</td>'.&Apache::loncommon::end_data_table_row() 
                   4515:                          : '');
1.68      ng       4516: 	$ptr++;
                   4517:     }
1.484     albertel 4518:     if ($ptr%2 == 0) {
                   4519: 	$studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td>'.
                   4520: 	    &Apache::loncommon::end_data_table_row();
                   4521:     }
                   4522:     $studentTable.=&Apache::loncommon::end_data_table()."\n";
1.126     ng       4523:     $studentTable.='<input type="button" '.
1.589     bisitz   4524:                    'onclick="javascript:checkPickOne(this.form);" value="'.&mt('Next').' &rarr;" /></form>'."\n";
1.68      ng       4525: 
                   4526:     $request->print($studentTable);
                   4527: 
                   4528:     return '';
                   4529: }
                   4530: 
                   4531: sub getSymbMap {
1.582     raeburn  4532:     my ($map_error) = @_;
1.132     bowersj2 4533:     my $navmap = Apache::lonnavmaps::navmap->new();
1.582     raeburn  4534:     unless (ref($navmap)) {
                   4535:         if (ref($map_error)) {
                   4536:             $$map_error = 'navmap';
                   4537:         }
                   4538:         return;
                   4539:     }
1.68      ng       4540:     my %symbx = ();
                   4541:     my @titles = ();
1.117     bowersj2 4542:     my $minder = 0;
                   4543: 
                   4544:     # Gather every sequence that has problems.
1.240     albertel 4545:     my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); },
                   4546: 					       1,0,1);
1.117     bowersj2 4547:     for my $sequence ($navmap->getById('0.0'), @sequences) {
1.241     albertel 4548: 	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
1.381     albertel 4549: 	    my $title = $minder.'.'.
                   4550: 		&HTML::Entities::encode($sequence->compTitle(),'"\'&');
                   4551: 	    push(@titles, $title); # minder in case two titles are identical
                   4552: 	    $symbx{$title} = &HTML::Entities::encode($sequence->symb(),'"\'&');
1.117     bowersj2 4553: 	    $minder++;
1.241     albertel 4554: 	}
1.68      ng       4555:     }
                   4556:     return \@titles,\%symbx;
                   4557: }
                   4558: 
1.72      ng       4559: #
                   4560: #--- Displays a page/sequence w/wo problems, w/wo submissions
1.68      ng       4561: sub displayPage {
1.608     www      4562:     my ($request,$symb) = @_;
1.257     albertel 4563:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4564:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4565:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   4566:     my $pageTitle = $env{'form.page'};
1.103     albertel 4567:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 4568:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   4569:     my $usec=$classlist->{$env{'form.student'}}[5];
1.168     albertel 4570: 
                   4571:     #need to make sure we have the correct data for later EXT calls, 
                   4572:     #thus invalidate the cache
                   4573:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 4574:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   4575:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 4576:     &Apache::lonnet::clear_EXT_cache_status();
                   4577: 
1.103     albertel 4578:     if (!&canview($usec)) {
1.485     albertel 4579: 	$request->print('<span class="LC_warning">'.&mt('Unable to view requested student. ([_1])',$env{'form.student'}).'</span>');
1.103     albertel 4580: 	return;
                   4581:     }
1.398     albertel 4582:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.485     albertel 4583:     $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).
1.129     ng       4584: 	'</h3>'."\n";
1.500     albertel 4585:     $env{'form.CODE'} = uc($env{'form.CODE'});
1.501     foxr     4586:     if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) {
1.485     albertel 4587: 	$result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";
1.382     albertel 4588:     } else {
                   4589: 	delete($env{'form.CODE'});
                   4590:     }
1.71      ng       4591:     &sub_page_js($request);
                   4592:     $request->print($result);
                   4593: 
1.132     bowersj2 4594:     my $navmap = Apache::lonnavmaps::navmap->new();
1.582     raeburn  4595:     unless (ref($navmap)) {
                   4596:         $request->print(&navmap_errormsg());
                   4597:         return;
                   4598:     }
1.257     albertel 4599:     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'});
1.68      ng       4600:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 4601:     if (!$map) {
1.485     albertel 4602: 	$request->print('<span class="LC_warning">'.&mt('Unable to view requested sequence. ([_1])',$resUrl).'</span>');
1.288     albertel 4603: 	return; 
                   4604:     }
1.68      ng       4605:     my $iterator = $navmap->getIterator($map->map_start(),
                   4606: 					$map->map_finish());
                   4607: 
1.71      ng       4608:     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
1.72      ng       4609: 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
1.257     albertel 4610: 	'<input type="hidden" name="fullname" value="'.$$fullname{$env{'form.student'}}.'" />'."\n".
                   4611: 	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
1.72      ng       4612: 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
1.257     albertel 4613: 	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
1.418     albertel 4614: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.613     www      4615: 	'<input type="hidden" name="overRideScore" value="no" />'."\n";
1.71      ng       4616: 
1.382     albertel 4617:     if (defined($env{'form.CODE'})) {
                   4618: 	$studentTable.=
                   4619: 	    '<input type="hidden" name="CODE" value="'.$env{'form.CODE'}.'" />'."\n";
                   4620:     }
1.381     albertel 4621:     my $checkIcon = '<img alt="'.&mt('Check Mark').
1.485     albertel 4622: 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
1.71      ng       4623: 
1.594     bisitz   4624:     $studentTable.='&nbsp;<span class="LC_info">'.
                   4625:         &mt('Problems graded correct by the computer are marked with a [_1] symbol.',$checkIcon).
                   4626:         '</span>'."\n".
1.484     albertel 4627: 	&Apache::loncommon::start_data_table().
                   4628: 	&Apache::loncommon::start_data_table_header_row().
                   4629: 	'<th align="center">&nbsp;Prob.&nbsp;</th>'.
1.485     albertel 4630: 	'<th>&nbsp;'.($env{'form.vProb'} eq 'no' ? &mt('Title') : &mt('Problem Text')).'/'.&mt('Grade').'</th>'.
1.484     albertel 4631: 	&Apache::loncommon::end_data_table_header_row();
1.71      ng       4632: 
1.329     albertel 4633:     &Apache::lonxml::clear_problem_counter();
1.196     albertel 4634:     my ($depth,$question,$prob) = (1,1,1);
1.68      ng       4635:     $iterator->next(); # skip the first BEGIN_MAP
                   4636:     my $curRes = $iterator->next(); # for "current resource"
1.101     albertel 4637:     while ($depth > 0) {
1.68      ng       4638:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4639:         if($curRes == $iterator->END_MAP) { $depth--; }
1.68      ng       4640: 
1.385     albertel 4641:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4642: 	    my $parts = $curRes->parts();
1.68      ng       4643:             my $title = $curRes->compTitle();
1.71      ng       4644: 	    my $symbx = $curRes->symb();
1.484     albertel 4645: 	    $studentTable.=
                   4646: 		&Apache::loncommon::start_data_table_row().
                   4647: 		'<td align="center" valign="top" >'.$prob.
1.485     albertel 4648: 		(scalar(@{$parts}) == 1 ? '' 
1.640     raeburn  4649: 		                        : '<br />('.&mt('[_1]parts)',
                   4650: 							scalar(@{$parts}).'&nbsp;')
1.485     albertel 4651: 		 ).
                   4652: 		 '</td>';
1.71      ng       4653: 	    $studentTable.='<td valign="top">';
1.382     albertel 4654: 	    my %form = ('CODE' => $env{'form.CODE'},);
1.257     albertel 4655: 	    if ($env{'form.vProb'} eq 'yes' ) {
1.144     albertel 4656: 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
1.383     albertel 4657: 					     undef,'both',\%form);
1.71      ng       4658: 	    } else {
1.382     albertel 4659: 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'},%form);
1.80      ng       4660: 		$companswer =~ s|<form(.*?)>||g;
                   4661: 		$companswer =~ s|</form>||g;
1.71      ng       4662: #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
1.116     ng       4663: #		    $companswer =~ s/$1/ /ms;
1.326     albertel 4664: #		    $request->print('match='.$1."<br />\n");
1.71      ng       4665: #		}
1.116     ng       4666: #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
1.539     riegler  4667: 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;<b>'.&mt('Correct answer').':</b><br />'.$companswer;
1.71      ng       4668: 	    }
                   4669: 
1.257     albertel 4670: 	    my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname);
1.125     ng       4671: 
1.257     albertel 4672: 	    if ($env{'form.lastSub'} eq 'datesub') {
1.71      ng       4673: 		if ($record{'version'} eq '') {
1.485     albertel 4674: 		    $studentTable.='<br />&nbsp;<span class="LC_warning">'.&mt('No recorded submission for this problem.').'</span><br />';
1.71      ng       4675: 		} else {
1.116     ng       4676: 		    my %responseType = ();
                   4677: 		    foreach my $partid (@{$parts}) {
1.147     albertel 4678: 			my @responseIds =$curRes->responseIds($partid);
                   4679: 			my @responseType =$curRes->responseType($partid);
                   4680: 			my %responseIds;
                   4681: 			for (my $i=0;$i<=$#responseIds;$i++) {
                   4682: 			    $responseIds{$responseIds[$i]}=$responseType[$i];
                   4683: 			}
                   4684: 			$responseType{$partid} = \%responseIds;
1.116     ng       4685: 		    }
1.148     albertel 4686: 		    $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
1.147     albertel 4687: 
1.71      ng       4688: 		}
1.257     albertel 4689: 	    } elsif ($env{'form.lastSub'} eq 'all') {
                   4690: 		my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.71      ng       4691: 		$studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
1.257     albertel 4692: 									$env{'request.course.id'},
1.71      ng       4693: 									'','.submission');
                   4694:  
                   4695: 	    }
1.103     albertel 4696: 	    if (&canmodify($usec)) {
1.585     bisitz   4697:             $studentTable.=&gradeBox_start();
1.103     albertel 4698: 		foreach my $partid (@{$parts}) {
                   4699: 		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
                   4700: 		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
                   4701: 		    $question++;
                   4702: 		}
1.585     bisitz   4703:             $studentTable.=&gradeBox_end();
1.196     albertel 4704: 		$prob++;
1.71      ng       4705: 	    }
                   4706: 	    $studentTable.='</td></tr>';
1.68      ng       4707: 
1.103     albertel 4708: 	}
1.68      ng       4709:         $curRes = $iterator->next();
                   4710:     }
                   4711: 
1.589     bisitz   4712:     $studentTable.=
                   4713:         '</table>'."\n".
                   4714:         '<input type="button" value="'.&mt('Save').'" '.
                   4715:         'onclick="javascript:checkSubmitPage(this.form,'.$question.');" />'.
                   4716:         '</form>'."\n";
1.71      ng       4717:     $request->print($studentTable);
                   4718: 
                   4719:     return '';
1.119     ng       4720: }
                   4721: 
                   4722: sub displaySubByDates {
1.148     albertel 4723:     my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
1.224     albertel 4724:     my $isCODE=0;
1.335     albertel 4725:     my $isTask = ($symb =~/\.task$/);
1.224     albertel 4726:     if (exists($record->{'resource.CODE'})) { $isCODE=1; }
1.467     albertel 4727:     my $studentTable=&Apache::loncommon::start_data_table().
                   4728: 	&Apache::loncommon::start_data_table_header_row().
                   4729: 	'<th>'.&mt('Date/Time').'</th>'.
                   4730: 	($isCODE?'<th>'.&mt('CODE').'</th>':'').
1.671   ! raeburn  4731:         ($isTask?'<th>'.&mt('Version').'</th>':'').
1.467     albertel 4732: 	'<th>'.&mt('Submission').'</th>'.
                   4733: 	'<th>'.&mt('Status').'</th>'.
                   4734: 	&Apache::loncommon::end_data_table_header_row();
1.119     ng       4735:     my ($version);
                   4736:     my %mark;
1.148     albertel 4737:     my %orders;
1.119     ng       4738:     $mark{'correct_by_student'} = $checkIcon;
1.147     albertel 4739:     if (!exists($$record{'1:timestamp'})) {
1.539     riegler  4740: 	return '<br />&nbsp;<span class="LC_warning">'.&mt('Nothing submitted - no attempts.').'</span><br />';
1.147     albertel 4741:     }
1.335     albertel 4742: 
                   4743:     my $interaction;
1.525     raeburn  4744:     my $no_increment = 1;
1.640     raeburn  4745:     my %lastrndseed;
1.119     ng       4746:     for ($version=1;$version<=$$record{'version'};$version++) {
1.467     albertel 4747: 	my $timestamp = 
                   4748: 	    &Apache::lonlocal::locallocaltime($$record{$version.':timestamp'});
1.335     albertel 4749: 	if (exists($$record{$version.':resource.0.version'})) {
                   4750: 	    $interaction = $$record{$version.':resource.0.version'};
                   4751: 	}
1.671   ! raeburn  4752:         if ($isTask && $env{'form.previousversion'}) {
        !          4753:             next unless ($interaction == $env{'form.previousversion'});
        !          4754:         }
1.335     albertel 4755: 	my $where = ($isTask ? "$version:resource.$interaction"
                   4756: 		             : "$version:resource");
1.467     albertel 4757: 	$studentTable.=&Apache::loncommon::start_data_table_row().
                   4758: 	    '<td>'.$timestamp.'</td>';
1.224     albertel 4759: 	if ($isCODE) {
                   4760: 	    $studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
                   4761: 	}
1.671   ! raeburn  4762:         if ($isTask) {
        !          4763:             $studentTable.='<td>'.$interaction.'</td>';
        !          4764:         }
1.119     ng       4765: 	my @versionKeys = split(/\:/,$$record{$version.':keys'});
                   4766: 	my @displaySub = ();
                   4767: 	foreach my $partid (@{$parts}) {
1.640     raeburn  4768:             my ($hidden,$type);
                   4769:             $type = $$record{$version.':resource.'.$partid.'.type'};
                   4770:             if (($type eq 'anonsurvey') || ($type eq 'anonsurveycred')) {
1.596     raeburn  4771:                 $hidden = 1;
                   4772:             }
1.335     albertel 4773: 	    my @matchKey = ($isTask ? sort(grep /^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys)
                   4774: 			            : sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys));
                   4775: 	    
1.122     ng       4776: #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
1.324     albertel 4777: 	    my $display_part=&get_display_part($partid,$symb);
1.147     albertel 4778: 	    foreach my $matchKey (@matchKey) {
1.198     albertel 4779: 		if (exists($$record{$version.':'.$matchKey}) &&
                   4780: 		    $$record{$version.':'.$matchKey} ne '') {
1.596     raeburn  4781:                     
1.335     albertel 4782: 		    my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/)
                   4783: 				               : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/));
1.670     raeburn  4784:                     $displaySub[0].='<span class="LC_nobreak">';
1.577     bisitz   4785:                     $displaySub[0].='<b>'.&mt('Part: [_1]',$display_part).'</b>'
                   4786:                                    .' <span class="LC_internal_info">'
1.625     www      4787:                                    .'('.&mt('Response ID: [_1]',$responseId).')'
1.577     bisitz   4788:                                    .'</span>'
                   4789:                                    .' <b>';
1.596     raeburn  4790:                     if ($hidden) {
                   4791:                         $displaySub[0].= &mt('Anonymous Survey').'</b>';
                   4792:                     } else {
1.640     raeburn  4793:                         my ($trial,$rndseed,$newvariation);
                   4794:                         if ($type eq 'randomizetry') {
                   4795:                             $trial = $$record{"$where.$partid.tries"};
                   4796:                             $rndseed = $$record{"$where.$partid.rndseed"};
                   4797:                         }
1.596     raeburn  4798: 		        if ($$record{"$where.$partid.tries"} eq '') {
                   4799: 			    $displaySub[0].=&mt('Trial not counted');
                   4800: 		        } else {
                   4801: 			    $displaySub[0].=&mt('Trial: [_1]',
1.467     albertel 4802: 					    $$record{"$where.$partid.tries"});
1.640     raeburn  4803:                             if ($rndseed || $lastrndseed{$partid}) {
                   4804:                                 if ($rndseed ne $lastrndseed{$partid}) {
                   4805:                                     $newvariation = '&nbsp;('.&mt('New variation this try').')';
                   4806:                                 }
                   4807:                             }
                   4808:                             $lastrndseed{$partid} = $rndseed;
1.596     raeburn  4809: 		        }
                   4810: 		        my $responseType=($isTask ? 'Task'
1.335     albertel 4811:                                               : $responseType->{$partid}->{$responseId});
1.596     raeburn  4812: 		        if (!exists($orders{$partid})) { $orders{$partid}={}; }
1.640     raeburn  4813: 		        if ((!exists($orders{$partid}->{$responseId})) || ($trial)) {
1.596     raeburn  4814: 			    $orders{$partid}->{$responseId}=
                   4815: 			        &get_order($partid,$responseId,$symb,$uname,$udom,
1.640     raeburn  4816:                                            $no_increment,$type,$trial,$rndseed);
1.596     raeburn  4817: 		        }
1.640     raeburn  4818: 		        $displaySub[0].='</b>'.$newvariation.'</span>'; # /nobreak
1.596     raeburn  4819: 		        $displaySub[0].='&nbsp; '.
1.640     raeburn  4820: 			    &cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom,$type,$trial,$rndseed).'<br />';
1.596     raeburn  4821:                     }
1.147     albertel 4822: 		}
                   4823: 	    }
1.335     albertel 4824: 	    if (exists($$record{"$where.$partid.checkedin"})) {
1.485     albertel 4825: 		$displaySub[1].=&mt('Checked in by [_1] into slot [_2]',
                   4826: 				    $$record{"$where.$partid.checkedin"},
                   4827: 				    $$record{"$where.$partid.checkedin.slot"}).
                   4828: 					'<br />';
1.335     albertel 4829: 	    }
                   4830: 	    if (exists $$record{"$where.$partid.award"}) {
1.485     albertel 4831: 		$displaySub[1].='<b>'.&mt('Part:').'</b>&nbsp;'.$display_part.' &nbsp;'.
1.335     albertel 4832: 		    lc($$record{"$where.$partid.award"}).' '.
                   4833: 		    $mark{$$record{"$where.$partid.solved"}}.
1.147     albertel 4834: 		    '<br />';
                   4835: 	    }
1.335     albertel 4836: 	    if (exists $$record{"$where.$partid.regrader"}) {
                   4837: 		$displaySub[2].=$$record{"$where.$partid.regrader"}.
                   4838: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
                   4839: 	    } elsif ($$record{"$version:resource.$partid.regrader"} =~ /\S/) {
                   4840: 		$displaySub[2].=
                   4841: 		    $$record{"$version:resource.$partid.regrader"}.
1.207     albertel 4842: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
1.147     albertel 4843: 	    }
                   4844: 	}
                   4845: 	# needed because old essay regrader has not parts info
                   4846: 	if (exists $$record{"$version:resource.regrader"}) {
                   4847: 	    $displaySub[2].=$$record{"$version:resource.regrader"};
                   4848: 	}
                   4849: 	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
                   4850: 	if ($displaySub[2]) {
1.467     albertel 4851: 	    $studentTable.=&mt('Manually graded by [_1]',$displaySub[2]);
1.147     albertel 4852: 	}
1.467     albertel 4853: 	$studentTable.='&nbsp;</td>'.
                   4854: 	    &Apache::loncommon::end_data_table_row();
1.119     ng       4855:     }
1.467     albertel 4856:     $studentTable.=&Apache::loncommon::end_data_table();
1.119     ng       4857:     return $studentTable;
1.71      ng       4858: }
                   4859: 
                   4860: sub updateGradeByPage {
1.608     www      4861:     my ($request,$symb) = @_;
1.71      ng       4862: 
1.257     albertel 4863:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4864:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4865:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   4866:     my $pageTitle = $env{'form.page'};
1.103     albertel 4867:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 4868:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   4869:     my $usec=$classlist->{$env{'form.student'}}[5];
1.103     albertel 4870:     if (!&canmodify($usec)) {
1.526     raeburn  4871: 	$request->print('<span class="LC_warning">'.&mt('Unable to modify requested student ([_1])',$env{'form.student'}).'</span>');
1.103     albertel 4872: 	return;
                   4873:     }
1.398     albertel 4874:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.526     raeburn  4875:     $result.='<h3>&nbsp;'.&mt('Student: ').&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
1.129     ng       4876: 	'</h3>'."\n";
1.70      ng       4877: 
1.68      ng       4878:     $request->print($result);
                   4879: 
1.582     raeburn  4880: 
1.132     bowersj2 4881:     my $navmap = Apache::lonnavmaps::navmap->new();
1.582     raeburn  4882:     unless (ref($navmap)) {
                   4883:         $request->print(&navmap_errormsg());
                   4884:         return;
                   4885:     }
1.257     albertel 4886:     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'});
1.71      ng       4887:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 4888:     if (!$map) {
1.527     raeburn  4889: 	$request->print('<span class="LC_warning">'.&mt('Unable to grade requested sequence ([_1]).',$resUrl).'</span>');
1.288     albertel 4890: 	return; 
                   4891:     }
1.71      ng       4892:     my $iterator = $navmap->getIterator($map->map_start(),
                   4893: 					$map->map_finish());
1.70      ng       4894: 
1.484     albertel 4895:     my $studentTable=
                   4896: 	&Apache::loncommon::start_data_table().
                   4897: 	&Apache::loncommon::start_data_table_header_row().
1.485     albertel 4898: 	'<th align="center">&nbsp;'.&mt('Prob.').'&nbsp;</th>'.
                   4899: 	'<th>&nbsp;'.&mt('Title').'&nbsp;</th>'.
                   4900: 	'<th>&nbsp;'.&mt('Previous Score').'&nbsp;</th>'.
                   4901: 	'<th>&nbsp;'.&mt('New Score').'&nbsp;</th>'.
1.484     albertel 4902: 	&Apache::loncommon::end_data_table_header_row();
1.71      ng       4903: 
                   4904:     $iterator->next(); # skip the first BEGIN_MAP
                   4905:     my $curRes = $iterator->next(); # for "current resource"
1.196     albertel 4906:     my ($depth,$question,$prob,$changeflag)= (1,1,1,0);
1.101     albertel 4907:     while ($depth > 0) {
1.71      ng       4908:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4909:         if($curRes == $iterator->END_MAP) { $depth--; }
1.71      ng       4910: 
1.385     albertel 4911:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4912: 	    my $parts = $curRes->parts();
1.71      ng       4913:             my $title = $curRes->compTitle();
                   4914: 	    my $symbx = $curRes->symb();
1.484     albertel 4915: 	    $studentTable.=
                   4916: 		&Apache::loncommon::start_data_table_row().
                   4917: 		'<td align="center" valign="top" >'.$prob.
1.485     albertel 4918: 		(scalar(@{$parts}) == 1 ? '' 
1.640     raeburn  4919:                                         : '<br />('.&mt('[quant,_1,part]',scalar(@{$parts}))
1.526     raeburn  4920: 		.')').'</td>';
1.71      ng       4921: 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
                   4922: 
                   4923: 	    my %newrecord=();
                   4924: 	    my @displayPts=();
1.269     raeburn  4925:             my %aggregate = ();
                   4926:             my $aggregateflag = 0;
1.71      ng       4927: 	    foreach my $partid (@{$parts}) {
1.257     albertel 4928: 		my $newpts = $env{'form.GD_BOX'.$question.'_'.$partid};
                   4929: 		my $oldpts = $env{'form.oldpts'.$question.'_'.$partid};
1.71      ng       4930: 
1.257     albertel 4931: 		my $wgt = $env{'form.WGT'.$question.'_'.$partid} != 0 ? 
                   4932: 		    $env{'form.WGT'.$question.'_'.$partid} : 1;
1.71      ng       4933: 		my $partial = $newpts/$wgt;
                   4934: 		my $score;
                   4935: 		if ($partial > 0) {
                   4936: 		    $score = 'correct_by_override';
1.125     ng       4937: 		} elsif ($newpts ne '') { #empty is taken as 0
1.71      ng       4938: 		    $score = 'incorrect_by_override';
                   4939: 		}
1.257     albertel 4940: 		my $dropMenu = $env{'form.GD_SEL'.$question.'_'.$partid};
1.125     ng       4941: 		if ($dropMenu eq 'excused') {
1.71      ng       4942: 		    $partial = '';
                   4943: 		    $score = 'excused';
1.125     ng       4944: 		} elsif ($dropMenu eq 'reset status'
1.257     albertel 4945: 			 && $env{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
1.125     ng       4946: 		    $newrecord{'resource.'.$partid.'.tries'} = 0;
                   4947: 		    $newrecord{'resource.'.$partid.'.solved'} = '';
                   4948: 		    $newrecord{'resource.'.$partid.'.award'} = '';
                   4949: 		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
1.257     albertel 4950: 		    $newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}";
1.125     ng       4951: 		    $changeflag++;
                   4952: 		    $newpts = '';
1.269     raeburn  4953:                     
                   4954:                     my $aggtries =  $env{'form.aggtries'.$question.'_'.$partid};
                   4955:                     my $totaltries = $env{'form.totaltries'.$question.'_'.$partid};
                   4956:                     my $solvedstatus = $env{'form.solved'.$question.'_'.$partid};
                   4957:                     if ($aggtries > 0) {
                   4958:                         &decrement_aggs($symbx,$partid,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   4959:                         $aggregateflag = 1;
                   4960:                     }
1.71      ng       4961: 		}
1.324     albertel 4962: 		my $display_part=&get_display_part($partid,$curRes->symb());
1.257     albertel 4963: 		my $oldstatus = $env{'form.solved'.$question.'_'.$partid};
1.526     raeburn  4964: 		$displayPts[0].='&nbsp;<b>'.&mt('Part').':</b> '.$display_part.' = '.
1.71      ng       4965: 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
1.326     albertel 4966: 		    '&nbsp;<br />';
1.526     raeburn  4967: 		$displayPts[1].='&nbsp;<b>'.&mt('Part').':</b> '.$display_part.' = '.
1.125     ng       4968: 		     (($score eq 'excused') ? 'excused' : $newpts).
1.326     albertel 4969: 		    '&nbsp;<br />';
1.71      ng       4970: 		$question++;
1.380     albertel 4971: 		next if ($dropMenu eq 'reset status' || ($newpts eq $oldpts && $score ne 'excused'));
1.125     ng       4972: 
1.71      ng       4973: 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
1.125     ng       4974: 		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
1.257     albertel 4975: 		$newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}"
1.125     ng       4976: 		    if (scalar(keys(%newrecord)) > 0);
1.71      ng       4977: 
                   4978: 		$changeflag++;
                   4979: 	    }
                   4980: 	    if (scalar(keys(%newrecord)) > 0) {
1.382     albertel 4981: 		my %record = 
                   4982: 		    &Apache::lonnet::restore($symbx,$env{'request.course.id'},
                   4983: 					     $udom,$uname);
                   4984: 
                   4985: 		if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
                   4986: 		    $newrecord{'resource.CODE'} = $env{'form.CODE'};
                   4987: 		} elsif (&Apache::lonnet::validCODE($record{'resource.CODE'})) {
                   4988: 		    $newrecord{'resource.CODE'} = '';
                   4989: 		}
1.257     albertel 4990: 		&Apache::lonnet::cstore(\%newrecord,$symbx,$env{'request.course.id'},
1.71      ng       4991: 					$udom,$uname);
1.382     albertel 4992: 		%record = &Apache::lonnet::restore($symbx,
                   4993: 						   $env{'request.course.id'},
                   4994: 						   $udom,$uname);
1.380     albertel 4995: 		&check_and_remove_from_queue($parts,\%record,undef,$symbx,
                   4996: 					     $cdom,$cnum,$udom,$uname);
1.71      ng       4997: 	    }
1.380     albertel 4998: 	    
1.269     raeburn  4999:             if ($aggregateflag) {
                   5000:                 &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
                   5001:                       $env{'course.'.$env{'request.course.id'}.'.domain'},
                   5002:                       $env{'course.'.$env{'request.course.id'}.'.num'});
                   5003:             }
1.125     ng       5004: 
1.71      ng       5005: 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
                   5006: 		'<td valign="top">'.$displayPts[1].'</td>'.
1.484     albertel 5007: 		&Apache::loncommon::end_data_table_row();
1.68      ng       5008: 
1.196     albertel 5009: 	    $prob++;
1.68      ng       5010: 	}
1.71      ng       5011:         $curRes = $iterator->next();
1.68      ng       5012:     }
1.98      albertel 5013: 
1.484     albertel 5014:     $studentTable.=&Apache::loncommon::end_data_table();
1.526     raeburn  5015:     my $grademsg=($changeflag == 0 ? &mt('No score was changed or updated.') :
                   5016: 		  &mt('The scores were changed for [quant,_1,problem].',
                   5017: 		  $changeflag));
1.76      ng       5018:     $request->print($grademsg.$studentTable);
1.68      ng       5019: 
1.70      ng       5020:     return '';
                   5021: }
                   5022: 
1.72      ng       5023: #-------- end of section for handling grading by page/sequence ---------
                   5024: #
                   5025: #-------------------------------------------------------------------
                   5026: 
1.581     www      5027: #-------------------- Bubblesheet (Scantron) Grading -------------------
1.75      albertel 5028: #
                   5029: #------ start of section for handling grading by page/sequence ---------
                   5030: 
1.423     albertel 5031: =pod
                   5032: 
                   5033: =head1 Bubble sheet grading routines
                   5034: 
1.424     albertel 5035:   For this documentation:
                   5036: 
                   5037:    'scanline' refers to the full line of characters
                   5038:    from the file that we are parsing that represents one entire sheet
                   5039: 
                   5040:    'bubble line' refers to the data
1.659     raeburn  5041:    representing the line of bubbles that are on the physical bubblesheet
1.424     albertel 5042: 
                   5043: 
1.659     raeburn  5044: The overall process is that a scanned in bubblesheet data is uploaded
1.424     albertel 5045: into a course. When a user wants to grade, they select a
1.659     raeburn  5046: sequence/folder of resources, a file of bubblesheet info, and pick
1.424     albertel 5047: one of the predefined configurations for what each scanline looks
                   5048: like.
                   5049: 
                   5050: Next each scanline is checked for any errors of either 'missing
1.435     foxr     5051: bubbles' (it's an error because it may have been mis-scanned
1.424     albertel 5052: because too light bubbling), 'double bubble' (each bubble line should
                   5053: have no more that one letter picked), invalid or duplicated CODE,
1.556     weissno  5054: invalid student/employee ID
1.424     albertel 5055: 
                   5056: If the CODE option is used that determines the randomization of the
1.556     weissno  5057: homework problems, either way the student/employee ID is looked up into a
1.424     albertel 5058: username:domain.
                   5059: 
                   5060: During the validation phase the instructor can choose to skip scanlines. 
                   5061: 
1.659     raeburn  5062: After the validation phase, there are now 3 bubblesheet files
1.424     albertel 5063: 
                   5064:   scantron_original_filename (unmodified original file)
                   5065:   scantron_corrected_filename (file where the corrected information has replaced the original information)
                   5066:   scantron_skipped_filename (contains the exact text of scanlines that where skipped)
                   5067: 
                   5068: Also there is a separate hash nohist_scantrondata that contains extra
1.659     raeburn  5069: correction information that isn't representable in the bubblesheet
1.424     albertel 5070: file (see &scantron_getfile() for more information)
                   5071: 
                   5072: After all scanlines are either valid, marked as valid or skipped, then
                   5073: foreach line foreach problem in the picked sequence, an ssi request is
                   5074: made that simulates a user submitting their selected letter(s) against
                   5075: the homework problem.
1.423     albertel 5076: 
                   5077: =over 4
                   5078: 
                   5079: 
                   5080: 
                   5081: =item defaultFormData
                   5082: 
                   5083:   Returns html hidden inputs used to hold context/default values.
                   5084: 
                   5085:  Arguments:
                   5086:   $symb - $symb of the current resource 
                   5087: 
                   5088: =cut
1.422     foxr     5089: 
1.81      albertel 5090: sub defaultFormData {
1.324     albertel 5091:     my ($symb)=@_;
1.613     www      5092:     return '<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />';
1.81      albertel 5093: }
                   5094: 
1.447     foxr     5095: 
1.423     albertel 5096: =pod 
                   5097: 
                   5098: =item getSequenceDropDown
                   5099: 
                   5100:    Return html dropdown of possible sequences to grade
                   5101:  
                   5102:  Arguments:
1.582     raeburn  5103:    $symb - $symb of the current resource
                   5104:    $map_error - ref to scalar which will container error if
                   5105:                 $navmap object is unavailable in &getSymbMap().
1.423     albertel 5106: 
                   5107: =cut
1.422     foxr     5108: 
1.75      albertel 5109: sub getSequenceDropDown {
1.582     raeburn  5110:     my ($symb,$map_error)=@_;
1.75      albertel 5111:     my $result='<select name="selectpage">'."\n";
1.582     raeburn  5112:     my ($titles,$symbx) = &getSymbMap($map_error);
                   5113:     if (ref($map_error)) {
                   5114:         return if ($$map_error);
                   5115:     }
1.137     albertel 5116:     my ($curpage)=&Apache::lonnet::decode_symb($symb); 
1.75      albertel 5117:     my $ctr=0;
                   5118:     foreach (@$titles) {
                   5119: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   5120: 	$result.='<option value="'.$$symbx{$_}.'" '.
1.401     albertel 5121: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.75      albertel 5122: 	    '>'.$showtitle.'</option>'."\n";
                   5123: 	$ctr++;
                   5124:     }
                   5125:     $result.= '</select>';
                   5126:     return $result;
                   5127: }
                   5128: 
1.495     albertel 5129: my %bubble_lines_per_response;     # no. bubble lines for each response.
1.554     raeburn  5130:                                    # key is zero-based index - 0, 1, 2 ...
1.495     albertel 5131: 
                   5132: my %first_bubble_line;             # First bubble line no. for each bubble.
                   5133: 
1.509     raeburn  5134: my %subdivided_bubble_lines;       # no. bubble lines for optionresponse, 
                   5135:                                    # matchresponse or rankresponse, where 
                   5136:                                    # an individual response can have multiple 
                   5137:                                    # lines
1.503     raeburn  5138: 
                   5139: my %responsetype_per_response;     # responsetype for each response
                   5140: 
1.495     albertel 5141: # Save and restore the bubble lines array to the form env.
                   5142: 
                   5143: 
                   5144: sub save_bubble_lines {
                   5145:     foreach my $line (keys(%bubble_lines_per_response)) {
                   5146: 	$env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
                   5147: 	$env{"form.scantron.first_bubble_line.$line"} =
                   5148: 	    $first_bubble_line{$line};
1.503     raeburn  5149:         $env{"form.scantron.sub_bubblelines.$line"} = 
                   5150:             $subdivided_bubble_lines{$line};
                   5151:         $env{"form.scantron.responsetype.$line"} =
                   5152:             $responsetype_per_response{$line};
1.495     albertel 5153:     }
                   5154: }
                   5155: 
                   5156: 
                   5157: sub restore_bubble_lines {
                   5158:     my $line = 0;
                   5159:     %bubble_lines_per_response = ();
                   5160:     while ($env{"form.scantron.bubblelines.$line"}) {
                   5161: 	my $value = $env{"form.scantron.bubblelines.$line"};
                   5162: 	$bubble_lines_per_response{$line} = $value;
                   5163: 	$first_bubble_line{$line}  =
                   5164: 	    $env{"form.scantron.first_bubble_line.$line"};
1.503     raeburn  5165:         $subdivided_bubble_lines{$line} =
                   5166:             $env{"form.scantron.sub_bubblelines.$line"};
                   5167:         $responsetype_per_response{$line} =
                   5168:             $env{"form.scantron.responsetype.$line"};
1.495     albertel 5169: 	$line++;
                   5170:     }
                   5171: }
                   5172: 
                   5173: #  Given the parsed scanline, get the response for 
                   5174: #  'answer' number n:
                   5175: 
                   5176: sub get_response_bubbles {
                   5177:     my ($parsed_line, $response)  = @_;
                   5178: 
                   5179:     my $bubble_line = $first_bubble_line{$response-1} +1;
                   5180:     my $bubble_lines= $bubble_lines_per_response{$response-1};
                   5181:     
                   5182:     my $selected = "";
                   5183: 
                   5184:     for (my $bline = 0; $bline < $bubble_lines; $bline++) {
                   5185: 	$selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
                   5186: 	$bubble_line++;
                   5187:     }
                   5188:     return $selected;
                   5189: }
1.423     albertel 5190: 
                   5191: =pod 
                   5192: 
                   5193: =item scantron_filenames
                   5194: 
                   5195:    Returns a list of the scantron files in the current course 
                   5196: 
                   5197: =cut
1.422     foxr     5198: 
1.202     albertel 5199: sub scantron_filenames {
1.257     albertel 5200:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   5201:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
1.517     raeburn  5202:     my $getpropath = 1;
1.662     raeburn  5203:     my ($dirlist,$listerror) = &Apache::lonnet::dirlist('userfiles',$cdom,
                   5204:                                                         $cname,$getpropath);
1.202     albertel 5205:     my @possiblenames;
1.662     raeburn  5206:     if (ref($dirlist) eq 'ARRAY') {
                   5207:         foreach my $filename (sort(@{$dirlist})) {
                   5208: 	    ($filename)=split(/&/,$filename);
                   5209: 	    if ($filename!~/^scantron_orig_/) { next ; }
                   5210: 	    $filename=~s/^scantron_orig_//;
                   5211: 	    push(@possiblenames,$filename);
                   5212:         }
1.202     albertel 5213:     }
                   5214:     return @possiblenames;
                   5215: }
                   5216: 
1.423     albertel 5217: =pod 
                   5218: 
                   5219: =item scantron_uploads
                   5220: 
                   5221:    Returns  html drop-down list of scantron files in current course.
                   5222: 
                   5223:  Arguments:
                   5224:    $file2grade - filename to set as selected in the dropdown
                   5225: 
                   5226: =cut
1.422     foxr     5227: 
1.202     albertel 5228: sub scantron_uploads {
1.209     ng       5229:     my ($file2grade) = @_;
1.202     albertel 5230:     my $result=	'<select name="scantron_selectfile">';
                   5231:     $result.="<option></option>";
                   5232:     foreach my $filename (sort(&scantron_filenames())) {
1.401     albertel 5233: 	$result.="<option".($filename eq $file2grade ? ' selected="selected"':'').">$filename</option>\n";
1.81      albertel 5234:     }
                   5235:     $result.="</select>";
                   5236:     return $result;
                   5237: }
                   5238: 
1.423     albertel 5239: =pod 
                   5240: 
                   5241: =item scantron_scantab
                   5242: 
                   5243:   Returns html drop down of the scantron formats in the scantronformat.tab
                   5244:   file.
                   5245: 
                   5246: =cut
1.422     foxr     5247: 
1.82      albertel 5248: sub scantron_scantab {
                   5249:     my $result='<select name="scantron_format">'."\n";
1.191     albertel 5250:     $result.='<option></option>'."\n";
1.518     raeburn  5251:     my @lines = &get_scantronformat_file();
                   5252:     if (@lines > 0) {
                   5253:         foreach my $line (@lines) {
                   5254:             next if (($line =~ /^\#/) || ($line eq ''));
                   5255: 	    my ($name,$descrip)=split(/:/,$line);
                   5256: 	    $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
                   5257:         }
1.82      albertel 5258:     }
                   5259:     $result.='</select>'."\n";
1.518     raeburn  5260:     return $result;
                   5261: }
                   5262: 
                   5263: =pod
                   5264: 
                   5265: =item get_scantronformat_file
                   5266: 
                   5267:   Returns an array containing lines from the scantron format file for
                   5268:   the domain of the course.
                   5269: 
                   5270:   If a url for a custom.tab file is listed in domain's configuration.db, 
                   5271:   lines are from this file.
                   5272: 
                   5273:   Otherwise, if a default.tab has been published in RES space by the 
                   5274:   domainconfig user, lines are from this file.
                   5275: 
                   5276:   Otherwise, fall back to getting lines from the legacy file on the
1.519     raeburn  5277:   local server:  /home/httpd/lonTabs/default_scantronformat.tab    
1.82      albertel 5278: 
1.518     raeburn  5279: =cut
                   5280: 
                   5281: sub get_scantronformat_file {
                   5282:     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
                   5283:     my %domconfig = &Apache::lonnet::get_dom('configuration',['scantron'],$cdom);
                   5284:     my $gottab = 0;
                   5285:     my @lines;
                   5286:     if (ref($domconfig{'scantron'}) eq 'HASH') {
                   5287:         if ($domconfig{'scantron'}{'scantronformat'} ne '') {
                   5288:             my $formatfile = &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
                   5289:             if ($formatfile ne '-1') {
                   5290:                 @lines = split("\n",$formatfile,-1);
                   5291:                 $gottab = 1;
                   5292:             }
                   5293:         }
                   5294:     }
                   5295:     if (!$gottab) {
                   5296:         my $confname = $cdom.'-domainconfig';
                   5297:         my $default = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
                   5298:         my $formatfile =  &Apache::lonnet::getfile($default);
                   5299:         if ($formatfile ne '-1') {
                   5300:             @lines = split("\n",$formatfile,-1);
                   5301:             $gottab = 1;
                   5302:         }
                   5303:     }
                   5304:     if (!$gottab) {
1.519     raeburn  5305:         my @domains = &Apache::lonnet::current_machine_domains();
                   5306:         if (grep(/^\Q$cdom\E$/,@domains)) {
                   5307:             my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   5308:             @lines = <$fh>;
                   5309:             close($fh);
                   5310:         } else {
                   5311:             my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/default_scantronformat.tab');
                   5312:             @lines = <$fh>;
                   5313:             close($fh);
                   5314:         }
1.518     raeburn  5315:     }
                   5316:     return @lines;
1.82      albertel 5317: }
                   5318: 
1.423     albertel 5319: =pod 
                   5320: 
                   5321: =item scantron_CODElist
                   5322: 
                   5323:   Returns html drop down of the saved CODE lists from current course,
                   5324:   generated from earlier printings.
                   5325: 
                   5326: =cut
1.422     foxr     5327: 
1.186     albertel 5328: sub scantron_CODElist {
1.257     albertel 5329:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   5330:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.186     albertel 5331:     my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   5332:     my $namechoice='<option></option>';
1.225     albertel 5333:     foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.191     albertel 5334: 	if ($name =~ /^error: 2 /) { next; }
1.278     albertel 5335: 	if ($name =~ /^type\0/) { next; }
1.186     albertel 5336: 	$namechoice.='<option value="'.$name.'">'.$name.'</option>';
                   5337:     }
                   5338:     $namechoice='<select name="scantron_CODElist">'.$namechoice.'</select>';
                   5339:     return $namechoice;
                   5340: }
                   5341: 
1.423     albertel 5342: =pod 
                   5343: 
                   5344: =item scantron_CODEunique
                   5345: 
                   5346:   Returns the html for "Each CODE to be used once" radio.
                   5347: 
                   5348: =cut
1.422     foxr     5349: 
1.186     albertel 5350: sub scantron_CODEunique {
1.532     bisitz   5351:     my $result='<span class="LC_nobreak">
1.272     albertel 5352:                  <label><input type="radio" name="scantron_CODEunique"
1.423     albertel 5353:                         value="yes" checked="checked" />'.&mt('Yes').' </label>
1.381     albertel 5354:                 </span>
1.532     bisitz   5355:                 <span class="LC_nobreak">
1.272     albertel 5356:                  <label><input type="radio" name="scantron_CODEunique"
1.423     albertel 5357:                         value="no" />'.&mt('No').' </label>
1.381     albertel 5358:                 </span>';
1.186     albertel 5359:     return $result;
                   5360: }
1.423     albertel 5361: 
                   5362: =pod 
                   5363: 
                   5364: =item scantron_selectphase
                   5365: 
1.659     raeburn  5366:   Generates the initial screen to start the bubblesheet process.
1.423     albertel 5367:   Allows for - starting a grading run.
1.424     albertel 5368:              - downloading existing scan data (original, corrected
1.423     albertel 5369:                                                 or skipped info)
                   5370: 
                   5371:              - uploading new scan data
                   5372: 
                   5373:  Arguments:
                   5374:   $r          - The Apache request object
                   5375:   $file2grade - name of the file that contain the scanned data to score
                   5376: 
                   5377: =cut
1.186     albertel 5378: 
1.75      albertel 5379: sub scantron_selectphase {
1.608     www      5380:     my ($r,$file2grade,$symb) = @_;
1.75      albertel 5381:     if (!$symb) {return '';}
1.582     raeburn  5382:     my $map_error;
                   5383:     my $sequence_selector=&getSequenceDropDown($symb,\$map_error);
                   5384:     if ($map_error) {
                   5385:         $r->print('<br />'.&navmap_errormsg().'<br />');
                   5386:         return;
                   5387:     }
1.324     albertel 5388:     my $default_form_data=&defaultFormData($symb);
1.209     ng       5389:     my $file_selector=&scantron_uploads($file2grade);
1.82      albertel 5390:     my $format_selector=&scantron_scantab();
1.186     albertel 5391:     my $CODE_selector=&scantron_CODElist();
                   5392:     my $CODE_unique=&scantron_CODEunique();
1.75      albertel 5393:     my $result;
1.422     foxr     5394: 
1.513     foxr     5395:     $ssi_error = 0;
                   5396: 
1.606     wenzelju 5397:     if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) ||
                   5398:         &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
                   5399: 
                   5400: 	# Chunk of form to prompt for a scantron file upload.
                   5401: 
                   5402:         $r->print('
                   5403:     <br />
                   5404:     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   5405:        '.&Apache::loncommon::start_data_table_header_row().'
                   5406:             <th>
                   5407:               &nbsp;'.&mt('Specify a bubblesheet data file to upload.').'
                   5408:             </th>
                   5409:        '.&Apache::loncommon::end_data_table_header_row().'
                   5410:        '.&Apache::loncommon::start_data_table_row().'
                   5411:             <td>
                   5412: ');
1.608     www      5413:     my $default_form_data=&defaultFormData($symb);
1.606     wenzelju 5414:     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
                   5415:     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
                   5416:     $r->print(&Apache::lonhtmlcommon::scripttag('
                   5417:     function checkUpload(formname) {
                   5418: 	if (formname.upfile.value == "") {
                   5419: 	    alert("'.&mt('Please use the browse button to select a file from your local directory.').'");
                   5420: 	    return false;
                   5421: 	}
                   5422: 	formname.submit();
                   5423:     }'));
                   5424:     $r->print('
                   5425:               <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
                   5426:                 '.$default_form_data.'
                   5427:                 <input name="courseid" type="hidden" value="'.$cnum.'" />
                   5428:                 <input name="domainid" type="hidden" value="'.$cdom.'" />
                   5429:                 <input name="command" value="scantronupload_save" type="hidden" />
                   5430:                 '.&mt('File to upload: [_1]','<input type="file" name="upfile" size="50" />').'
                   5431:                 <br />
                   5432:                 <input type="button" onclick="javascript:checkUpload(this.form);" value="'.&mt('Upload Bubblesheet Data').'" />
                   5433:               </form>
                   5434: ');
                   5435: 
                   5436:         $r->print('
                   5437:             </td>
                   5438:        '.&Apache::loncommon::end_data_table_row().'
                   5439:        '.&Apache::loncommon::end_data_table().'
                   5440: ');
                   5441:     }
                   5442: 
1.422     foxr     5443:     # Chunk of form to prompt for a file to grade and how:
                   5444: 
1.489     albertel 5445:     $result.= '
                   5446:     <br />
                   5447:     <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
                   5448:     <input type="hidden" name="command" value="scantron_warning" />
                   5449:     '.$default_form_data.'
                   5450:     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   5451:        '.&Apache::loncommon::start_data_table_header_row().'
                   5452:             <th colspan="2">
1.492     albertel 5453:               &nbsp;'.&mt('Specify file and which Folder/Sequence to grade').'
1.489     albertel 5454:             </th>
                   5455:        '.&Apache::loncommon::end_data_table_header_row().'
                   5456:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5457:             <td> '.&mt('Sequence to grade:').' </td><td> '.$sequence_selector.' </td>
1.489     albertel 5458:        '.&Apache::loncommon::end_data_table_row().'
                   5459:        '.&Apache::loncommon::start_data_table_row().'
1.572     www      5460:             <td> '.&mt('Filename of bubblesheet data file:').' </td><td> '.$file_selector.' </td>
1.489     albertel 5461:        '.&Apache::loncommon::end_data_table_row().'
                   5462:        '.&Apache::loncommon::start_data_table_row().'
1.572     www      5463:             <td> '.&mt('Format of bubblesheet data file:').' </td><td> '.$format_selector.' </td>
1.489     albertel 5464:        '.&Apache::loncommon::end_data_table_row().'
                   5465:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5466:             <td> '.&mt('Saved CODEs to validate against:').' </td><td> '.$CODE_selector.' </td>
1.489     albertel 5467:        '.&Apache::loncommon::end_data_table_row().'
                   5468:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5469:             <td> '.&mt('Each CODE is only to be used once:').'</td><td> '.$CODE_unique.' </td>
1.489     albertel 5470:        '.&Apache::loncommon::end_data_table_row().'
                   5471:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5472: 	    <td> '.&mt('Options:').' </td>
1.187     albertel 5473:             <td>
1.492     albertel 5474: 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> '.&mt('Do only previously skipped records').'</label> <br />
                   5475:                <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> '.&mt('Remove all existing corrections').'</label> <br />
                   5476:                <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources when grading').'</label>
1.187     albertel 5477: 	    </td>
1.489     albertel 5478:        '.&Apache::loncommon::end_data_table_row().'
                   5479:        '.&Apache::loncommon::start_data_table_row().'
1.174     albertel 5480:             <td colspan="2">
1.572     www      5481:               <input type="submit" value="'.&mt('Grading: Validate Bubblesheet Records').'" />
1.162     albertel 5482:             </td>
1.489     albertel 5483:        '.&Apache::loncommon::end_data_table_row().'
                   5484:     '.&Apache::loncommon::end_data_table().'
                   5485:     </form>
                   5486: ';
1.162     albertel 5487:    
                   5488:     $r->print($result);
                   5489: 
1.422     foxr     5490: 
                   5491: 
                   5492:     # Chunk of the form that prompts to view a scoring office file,
                   5493:     # corrected file, skipped records in a file.
                   5494: 
1.489     albertel 5495:     $r->print('
                   5496:    <br />
                   5497:    <form action="/adm/grades" name="scantron_download">
                   5498:      '.$default_form_data.'
                   5499:      <input type="hidden" name="command" value="scantron_download" />
                   5500:      '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   5501:        '.&Apache::loncommon::start_data_table_header_row().'
                   5502:               <th>
1.492     albertel 5503:                 &nbsp;'.&mt('Download a scoring office file').'
1.489     albertel 5504:               </th>
                   5505:        '.&Apache::loncommon::end_data_table_header_row().'
                   5506:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5507:               <td> '.&mt('Filename of scoring office file: [_1]',$file_selector).' 
1.489     albertel 5508:                 <br />
1.492     albertel 5509:                 <input type="submit" value="'.&mt('Download: Show List of Associated Files').'" />
1.489     albertel 5510:        '.&Apache::loncommon::end_data_table_row().'
                   5511:      '.&Apache::loncommon::end_data_table().'
                   5512:    </form>
                   5513:    <br />
                   5514: ');
1.162     albertel 5515: 
1.457     banghart 5516:     &Apache::lonpickcode::code_list($r,2);
1.523     raeburn  5517: 
1.528     raeburn  5518:     $r->print('<br /><form method="post" name="checkscantron">'.
1.523     raeburn  5519:              $default_form_data."\n".
                   5520:              &Apache::loncommon::start_data_table('LC_scantron_action')."\n".
                   5521:              &Apache::loncommon::start_data_table_header_row()."\n".
                   5522:              '<th colspan="2">
1.572     www      5523:               &nbsp;'.&mt('Review bubblesheet data and submissions for a previously graded folder/sequence')."\n".
1.523     raeburn  5524:              '</th>'."\n".
                   5525:               &Apache::loncommon::end_data_table_header_row()."\n".
                   5526:               &Apache::loncommon::start_data_table_row()."\n".
                   5527:               '<td> '.&mt('Graded folder/sequence:').' </td>'."\n".
                   5528:               '<td> '.$sequence_selector.' </td>'.
                   5529:               &Apache::loncommon::end_data_table_row()."\n".
                   5530:               &Apache::loncommon::start_data_table_row()."\n".
                   5531:               '<td> '.&mt('Filename of scoring office file:').' </td>'."\n".
                   5532:               '<td> '.$file_selector.' </td>'."\n".
                   5533:               &Apache::loncommon::end_data_table_row()."\n".
                   5534:               &Apache::loncommon::start_data_table_row()."\n".
                   5535:               '<td> '.&mt('Format of data file:').' </td>'."\n".
                   5536:               '<td> '.$format_selector.' </td>'."\n".
                   5537:               &Apache::loncommon::end_data_table_row()."\n".
                   5538:               &Apache::loncommon::start_data_table_row()."\n".
1.557     raeburn  5539:               '<td> '.&mt('Options').' </td>'."\n".
                   5540:               '<td> <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources').'</label></td>'.
                   5541:               &Apache::loncommon::end_data_table_row()."\n".
                   5542:               &Apache::loncommon::start_data_table_row()."\n".
1.523     raeburn  5543:               '<td colspan="2">'."\n".
                   5544:               '<input type="hidden" name="command" value="checksubmissions" />'."\n".
1.575     www      5545:               '<input type="submit" value="'.&mt('Review Bubblesheet Data and Submission Records').'" />'."\n".
1.523     raeburn  5546:               '</td>'."\n".
                   5547:               &Apache::loncommon::end_data_table_row()."\n".
                   5548:               &Apache::loncommon::end_data_table()."\n".
                   5549:               '</form><br />');
                   5550:     return;
1.75      albertel 5551: }
                   5552: 
1.423     albertel 5553: =pod
                   5554: 
                   5555: =item get_scantron_config
                   5556: 
                   5557:    Parse and return the scantron configuration line selected as a
                   5558:    hash of configuration file fields.
                   5559: 
                   5560:  Arguments:
                   5561:     which - the name of the configuration to parse from the file.
                   5562: 
                   5563: 
                   5564:  Returns:
                   5565:             If the named configuration is not in the file, an empty
                   5566:             hash is returned.
                   5567:     a hash with the fields
                   5568:       name         - internal name for the this configuration setup
                   5569:       description  - text to display to operator that describes this config
                   5570:       CODElocation - if 0 or the string 'none'
                   5571:                           - no CODE exists for this config
                   5572:                      if -1 || the string 'letter'
                   5573:                           - a CODE exists for this config and is
                   5574:                             a string of letters
                   5575:                      Unsupported value (but planned for future support)
                   5576:                           if a positive integer
                   5577:                                - The CODE exists as the first n items from
                   5578:                                  the question section of the form
                   5579:                           if the string 'number'
                   5580:                                - The CODE exists for this config and is
                   5581:                                  a string of numbers
                   5582:       CODEstart   - (only matter if a CODE exists) column in the line where
                   5583:                      the CODE starts
                   5584:       CODElength  - length of the CODE
1.573     bisitz   5585:       IDstart     - column where the student/employee ID starts
1.556     weissno  5586:       IDlength    - length of the student/employee ID info
1.423     albertel 5587:       Qstart      - column where the information from the bubbled
                   5588:                     'questions' start
                   5589:       Qlength     - number of columns comprising a single bubble line from
                   5590:                     the sheet. (usually either 1 or 10)
1.424     albertel 5591:       Qon         - either a single character representing the character used
1.423     albertel 5592:                     to signal a bubble was chosen in the positional setup, or
                   5593:                     the string 'letter' if the letter of the chosen bubble is
                   5594:                     in the final, or 'number' if a number representing the
                   5595:                     chosen bubble is in the file (1->A 0->J)
1.424     albertel 5596:       Qoff        - the character used to represent that a bubble was
                   5597:                     left blank
1.423     albertel 5598:       PaperID     - if the scanning process generates a unique number for each
                   5599:                     sheet scanned the column that this ID number starts in
                   5600:       PaperIDlength - number of columns that comprise the unique ID number
                   5601:                       for the sheet of paper
1.424     albertel 5602:       FirstName   - column that the first name starts in
1.423     albertel 5603:       FirstNameLength - number of columns that the first name spans
                   5604:  
                   5605:       LastName    - column that the last name starts in
                   5606:       LastNameLength - number of columns that the last name spans
1.649     raeburn  5607:       BubblesPerRow - number of bubbles available in each row used to 
                   5608:                       bubble an answer. (If not specified, 10 assumed).
1.671   ! raeburn  5609: 
1.423     albertel 5610: =cut
1.422     foxr     5611: 
1.82      albertel 5612: sub get_scantron_config {
                   5613:     my ($which) = @_;
1.518     raeburn  5614:     my @lines = &get_scantronformat_file();
1.82      albertel 5615:     my %config;
1.157     albertel 5616:     #FIXME probably should move to XML it has already gotten a bit much now
1.518     raeburn  5617:     foreach my $line (@lines) {
1.82      albertel 5618: 	my ($name,$descrip)=split(/:/,$line);
                   5619: 	if ($name ne $which ) { next; }
                   5620: 	chomp($line);
                   5621: 	my @config=split(/:/,$line);
                   5622: 	$config{'name'}=$config[0];
                   5623: 	$config{'description'}=$config[1];
                   5624: 	$config{'CODElocation'}=$config[2];
                   5625: 	$config{'CODEstart'}=$config[3];
                   5626: 	$config{'CODElength'}=$config[4];
                   5627: 	$config{'IDstart'}=$config[5];
                   5628: 	$config{'IDlength'}=$config[6];
                   5629: 	$config{'Qstart'}=$config[7];
1.497     foxr     5630:  	$config{'Qlength'}=$config[8];
1.82      albertel 5631: 	$config{'Qoff'}=$config[9];
                   5632: 	$config{'Qon'}=$config[10];
1.157     albertel 5633: 	$config{'PaperID'}=$config[11];
                   5634: 	$config{'PaperIDlength'}=$config[12];
                   5635: 	$config{'FirstName'}=$config[13];
                   5636: 	$config{'FirstNamelength'}=$config[14];
                   5637: 	$config{'LastName'}=$config[15];
                   5638: 	$config{'LastNamelength'}=$config[16];
1.649     raeburn  5639:         $config{'BubblesPerRow'}=$config[17];
1.82      albertel 5640: 	last;
                   5641:     }
                   5642:     return %config;
                   5643: }
                   5644: 
1.423     albertel 5645: =pod 
                   5646: 
                   5647: =item username_to_idmap
                   5648: 
1.556     weissno  5649:     creates a hash keyed by student/employee ID with values of the corresponding
1.423     albertel 5650:     student username:domain.
                   5651: 
                   5652:   Arguments:
                   5653: 
                   5654:     $classlist - reference to the class list hash. This is a hash
                   5655:                  keyed by student name:domain  whose elements are references
1.424     albertel 5656:                  to arrays containing various chunks of information
1.423     albertel 5657:                  about the student. (See loncoursedata for more info).
                   5658: 
                   5659:   Returns
                   5660:     %idmap - the constructed hash
                   5661: 
                   5662: =cut
                   5663: 
1.82      albertel 5664: sub username_to_idmap {
                   5665:     my ($classlist)= @_;
                   5666:     my %idmap;
                   5667:     foreach my $student (keys(%$classlist)) {
                   5668: 	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
                   5669: 	    $student;
                   5670:     }
                   5671:     return %idmap;
                   5672: }
1.423     albertel 5673: 
                   5674: =pod
                   5675: 
1.424     albertel 5676: =item scantron_fixup_scanline
1.423     albertel 5677: 
                   5678:    Process a requested correction to a scanline.
                   5679: 
                   5680:   Arguments:
                   5681:     $scantron_config   - hash from &get_scantron_config()
                   5682:     $scan_data         - hash of correction information 
                   5683:                           (see &scantron_getfile())
                   5684:     $line              - existing scanline
                   5685:     $whichline         - line number of the passed in scanline
                   5686:     $field             - type of change to process 
                   5687:                          (either 
1.573     bisitz   5688:                           'ID'     -> correct the student/employee ID
1.423     albertel 5689:                           'CODE'   -> correct the CODE
                   5690:                           'answer' -> fixup the submitted answers)
                   5691:     
                   5692:    $args               - hash of additional info,
                   5693:                           - 'ID' 
                   5694:                                'newid' -> studentID to use in replacement
1.424     albertel 5695:                                           of existing one
1.423     albertel 5696:                           - 'CODE' 
                   5697:                                'CODE_ignore_dup' - set to true if duplicates
                   5698:                                                    should be ignored.
                   5699: 	                       'CODE' - is new code or 'use_unfound'
1.424     albertel 5700:                                         if the existing unfound code should
1.423     albertel 5701:                                         be used as is
                   5702:                           - 'answer'
                   5703:                                'response' - new answer or 'none' if blank
                   5704:                                'question' - the bubble line to change
1.503     raeburn  5705:                                'questionnum' - the question identifier,
                   5706:                                                may include subquestion. 
1.423     albertel 5707: 
                   5708:   Returns:
                   5709:     $line - the modified scanline
                   5710: 
                   5711:   Side effects: 
                   5712:     $scan_data - may be updated
                   5713: 
                   5714: =cut
                   5715: 
1.82      albertel 5716: 
1.157     albertel 5717: sub scantron_fixup_scanline {
                   5718:     my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
                   5719:     if ($field eq 'ID') {
                   5720: 	if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
1.186     albertel 5721: 	    return ($line,1,'New value too large');
1.157     albertel 5722: 	}
                   5723: 	if (length($args->{'newid'}) < $$scantron_config{'IDlength'}) {
                   5724: 	    $args->{'newid'}=sprintf('%-'.$$scantron_config{'IDlength'}.'s',
                   5725: 				     $args->{'newid'});
                   5726: 	}
                   5727: 	substr($line,$$scantron_config{'IDstart'}-1,
                   5728: 	       $$scantron_config{'IDlength'})=$args->{'newid'};
                   5729: 	if ($args->{'newid'}=~/^\s*$/) {
                   5730: 	    &scan_data($scan_data,"$whichline.user",
                   5731: 		       $args->{'username'}.':'.$args->{'domain'});
                   5732: 	}
1.186     albertel 5733:     } elsif ($field eq 'CODE') {
1.192     albertel 5734: 	if ($args->{'CODE_ignore_dup'}) {
                   5735: 	    &scan_data($scan_data,"$whichline.CODE_ignore_dup",'1');
                   5736: 	}
                   5737: 	&scan_data($scan_data,"$whichline.useCODE",'1');
                   5738: 	if ($args->{'CODE'} ne 'use_unfound') {
1.191     albertel 5739: 	    if (length($args->{'CODE'}) > $$scantron_config{'CODElength'}) {
                   5740: 		return ($line,1,'New CODE value too large');
                   5741: 	    }
                   5742: 	    if (length($args->{'CODE'}) < $$scantron_config{'CODElength'}) {
                   5743: 		$args->{'CODE'}=sprintf('%-'.$$scantron_config{'CODElength'}.'s',$args->{'CODE'});
                   5744: 	    }
                   5745: 	    substr($line,$$scantron_config{'CODEstart'}-1,
                   5746: 		   $$scantron_config{'CODElength'})=$args->{'CODE'};
1.186     albertel 5747: 	}
1.157     albertel 5748:     } elsif ($field eq 'answer') {
1.497     foxr     5749: 	my $length=$scantron_config->{'Qlength'};
1.157     albertel 5750: 	my $off=$scantron_config->{'Qoff'};
                   5751: 	my $on=$scantron_config->{'Qon'};
1.497     foxr     5752: 	my $answer=${off}x$length;
                   5753: 	if ($args->{'response'} eq 'none') {
                   5754: 	    &scan_data($scan_data,
1.503     raeburn  5755: 		       "$whichline.no_bubble.".$args->{'questionnum'},'1');
1.497     foxr     5756: 	} else {
                   5757: 	    if ($on eq 'letter') {
                   5758: 		my @alphabet=('A'..'Z');
                   5759: 		$answer=$alphabet[$args->{'response'}];
                   5760: 	    } elsif ($on eq 'number') {
                   5761: 		$answer=$args->{'response'}+1;
                   5762: 		if ($answer == 10) { $answer = '0'; }
1.274     albertel 5763: 	    } else {
1.497     foxr     5764: 		substr($answer,$args->{'response'},1)=$on;
1.274     albertel 5765: 	    }
1.497     foxr     5766: 	    &scan_data($scan_data,
1.503     raeburn  5767: 		       "$whichline.no_bubble.".$args->{'questionnum'},undef,'1');
1.157     albertel 5768: 	}
1.497     foxr     5769: 	my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
                   5770: 	substr($line,$where-1,$length)=$answer;
1.157     albertel 5771:     }
                   5772:     return $line;
                   5773: }
1.423     albertel 5774: 
                   5775: =pod
                   5776: 
                   5777: =item scan_data
                   5778: 
                   5779:     Edit or look up  an item in the scan_data hash.
                   5780: 
                   5781:   Arguments:
                   5782:     $scan_data  - The hash (see scantron_getfile)
                   5783:     $key        - shorthand of the key to edit (actual key is
1.424     albertel 5784:                   scantronfilename_key).
1.423     albertel 5785:     $data        - New value of the hash entry.
                   5786:     $delete      - If true, the entry is removed from the hash.
                   5787: 
                   5788:   Returns:
                   5789:     The new value of the hash table field (undefined if deleted).
                   5790: 
                   5791: =cut
                   5792: 
                   5793: 
1.157     albertel 5794: sub scan_data {
                   5795:     my ($scan_data,$key,$value,$delete)=@_;
1.257     albertel 5796:     my $filename=$env{'form.scantron_selectfile'};
1.157     albertel 5797:     if (defined($value)) {
                   5798: 	$scan_data->{$filename.'_'.$key} = $value;
                   5799:     }
                   5800:     if ($delete) { delete($scan_data->{$filename.'_'.$key}); }
                   5801:     return $scan_data->{$filename.'_'.$key};
                   5802: }
1.423     albertel 5803: 
1.495     albertel 5804: # ----- These first few routines are general use routines.----
                   5805: 
                   5806: # Return the number of occurences of a pattern in a string.
                   5807: 
                   5808: sub occurence_count {
                   5809:     my ($string, $pattern) = @_;
                   5810: 
                   5811:     my @matches = ($string =~ /$pattern/g);
                   5812: 
                   5813:     return scalar(@matches);
                   5814: }
                   5815: 
                   5816: 
                   5817: # Take a string known to have digits and convert all the
                   5818: # digits into letters in the range J,A..I.
                   5819: 
                   5820: sub digits_to_letters {
                   5821:     my ($input) = @_;
                   5822: 
                   5823:     my @alphabet = ('J', 'A'..'I');
                   5824: 
                   5825:     my @input    = split(//, $input);
                   5826:     my $output ='';
                   5827:     for (my $i = 0; $i < scalar(@input); $i++) {
                   5828: 	if ($input[$i] =~ /\d/) {
                   5829: 	    $output .= $alphabet[$input[$i]];
                   5830: 	} else {
                   5831: 	    $output .= $input[$i];
                   5832: 	}
                   5833:     }
                   5834:     return $output;
                   5835: }
                   5836: 
1.423     albertel 5837: =pod 
                   5838: 
                   5839: =item scantron_parse_scanline
                   5840: 
                   5841:   Decodes a scanline from the selected scantron file
                   5842: 
                   5843:  Arguments:
                   5844:     line             - The text of the scantron file line to process
                   5845:     whichline        - Line number
                   5846:     scantron_config  - Hash describing the format of the scantron lines.
                   5847:     scan_data        - Hash of extra information about the scanline
                   5848:                        (see scantron_getfile for more information)
                   5849:     just_header      - True if should not process question answers but only
                   5850:                        the stuff to the left of the answers.
                   5851:  Returns:
                   5852:    Hash containing the result of parsing the scanline
                   5853: 
                   5854:    Keys are all proceeded by the string 'scantron.'
                   5855: 
                   5856:        CODE    - the CODE in use for this scanline
                   5857:        useCODE - 1 if the CODE is invalid but it usage has been forced
                   5858:                  by the operator
                   5859:        CODE_ignore_dup - 1 if the CODE is a duplicated use when unique
                   5860:                             CODEs were selected, but the usage has been
                   5861:                             forced by the operator
1.556     weissno  5862:        ID  - student/employee ID
1.423     albertel 5863:        PaperID - if used, the ID number printed on the sheet when the 
                   5864:                  paper was scanned
                   5865:        FirstName - first name from the sheet
                   5866:        LastName  - last name from the sheet
                   5867: 
                   5868:      if just_header was not true these key may also exist
                   5869: 
1.447     foxr     5870:        missingerror - a list of bubble ranges that are considered to be answers
                   5871:                       to a single question that don't have any bubbles filled in.
                   5872:                       Of the form questionnumber:firstbubblenumber:count.
                   5873:        doubleerror  - a list of bubble ranges that are considered to be answers
                   5874:                       to a single question that have more than one bubble filled in.
                   5875:                       Of the form questionnumber::firstbubblenumber:count
                   5876:    
                   5877:                 In the above, count is the number of bubble responses in the
                   5878:                 input line needed to represent the possible answers to the question.
                   5879:                 e.g. a radioresponse with 15 choices in an answer sheet with 10 choices
                   5880:                 per line would have count = 2.
                   5881: 
1.423     albertel 5882:        maxquest     - the number of the last bubble line that was parsed
                   5883: 
                   5884:        (<number> starts at 1)
                   5885:        <number>.answer - zero or more letters representing the selected
                   5886:                          letters from the scanline for the bubble line 
                   5887:                          <number>.
                   5888:                          if blank there was either no bubble or there where
                   5889:                          multiple bubbles, (consult the keys missingerror and
                   5890:                          doubleerror if this is an error condition)
                   5891: 
                   5892: =cut
                   5893: 
1.82      albertel 5894: sub scantron_parse_scanline {
1.423     albertel 5895:     my ($line,$whichline,$scantron_config,$scan_data,$just_header)=@_;
1.470     foxr     5896: 
1.82      albertel 5897:     my %record;
1.550     raeburn  5898:     my $lastpos = $env{'form.scantron_maxbubble'}*$$scantron_config{'Qlength'};
                   5899:     my $questions=substr($line,$$scantron_config{'Qstart'}-1,$lastpos);  # Answers
1.422     foxr     5900:     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);     # earlier stuff
1.278     albertel 5901:     if (!($$scantron_config{'CODElocation'} eq 0 ||
                   5902: 	  $$scantron_config{'CODElocation'} eq 'none')) {
                   5903: 	if ($$scantron_config{'CODElocation'} < 0 ||
                   5904: 	    $$scantron_config{'CODElocation'} eq 'letter' ||
                   5905: 	    $$scantron_config{'CODElocation'} eq 'number') {
1.191     albertel 5906: 	    $record{'scantron.CODE'}=substr($data,
                   5907: 					    $$scantron_config{'CODEstart'}-1,
1.83      albertel 5908: 					    $$scantron_config{'CODElength'});
1.191     albertel 5909: 	    if (&scan_data($scan_data,"$whichline.useCODE")) {
                   5910: 		$record{'scantron.useCODE'}=1;
                   5911: 	    }
1.192     albertel 5912: 	    if (&scan_data($scan_data,"$whichline.CODE_ignore_dup")) {
                   5913: 		$record{'scantron.CODE_ignore_dup'}=1;
                   5914: 	    }
1.82      albertel 5915: 	} else {
                   5916: 	    #FIXME interpret first N questions
                   5917: 	}
                   5918:     }
1.83      albertel 5919:     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
                   5920: 				  $$scantron_config{'IDlength'});
1.157     albertel 5921:     $record{'scantron.PaperID'}=
                   5922: 	substr($data,$$scantron_config{'PaperID'}-1,
                   5923: 	       $$scantron_config{'PaperIDlength'});
                   5924:     $record{'scantron.FirstName'}=
                   5925: 	substr($data,$$scantron_config{'FirstName'}-1,
                   5926: 	       $$scantron_config{'FirstNamelength'});
                   5927:     $record{'scantron.LastName'}=
                   5928: 	substr($data,$$scantron_config{'LastName'}-1,
                   5929: 	       $$scantron_config{'LastNamelength'});
1.423     albertel 5930:     if ($just_header) { return \%record; }
1.194     albertel 5931: 
1.82      albertel 5932:     my @alphabet=('A'..'Z');
                   5933:     my $questnum=0;
1.447     foxr     5934:     my $ansnum  =1;		# Multiple 'answer lines'/question.
                   5935: 
1.470     foxr     5936:     chomp($questions);		# Get rid of any trailing \n.
                   5937:     $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).
                   5938:     while (length($questions)) {
1.447     foxr     5939: 	my $answers_needed = $bubble_lines_per_response{$questnum};
1.503     raeburn  5940:         my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)
                   5941:                              || 1;
                   5942:         $questnum++;
                   5943:         my $quest_id = $questnum;
                   5944:         my $currentquest = substr($questions,0,$answer_length);
                   5945:         $questions       = substr($questions,$answer_length);
                   5946:         if (length($currentquest) < $answer_length) { next; }
                   5947: 
                   5948:         if ($subdivided_bubble_lines{$questnum-1} =~ /,/) {
                   5949:             my $subquestnum = 1;
                   5950:             my $subquestions = $currentquest;
                   5951:             my @subanswers_needed = 
                   5952:                 split(/,/,$subdivided_bubble_lines{$questnum-1});  
                   5953:             foreach my $subans (@subanswers_needed) {
                   5954:                 my $subans_length =
                   5955:                     ($$scantron_config{'Qlength'} * $subans)  || 1;
                   5956:                 my $currsubquest = substr($subquestions,0,$subans_length);
                   5957:                 $subquestions   = substr($subquestions,$subans_length);
                   5958:                 $quest_id = "$questnum.$subquestnum";
                   5959:                 if (($$scantron_config{'Qon'} eq 'letter') ||
                   5960:                     ($$scantron_config{'Qon'} eq 'number')) {
                   5961:                     $ansnum = &scantron_validator_lettnum($ansnum, 
                   5962:                         $questnum,$quest_id,$subans,$currsubquest,$whichline,
                   5963:                         \@alphabet,\%record,$scantron_config,$scan_data);
                   5964:                 } else {
                   5965:                     $ansnum = &scantron_validator_positional($ansnum,
                   5966:                         $questnum,$quest_id,$subans,$currsubquest,$whichline,                        \@alphabet,\%record,$scantron_config,$scan_data);
                   5967:                 }
                   5968:                 $subquestnum ++;
                   5969:             }
                   5970:         } else {
                   5971:             if (($$scantron_config{'Qon'} eq 'letter') ||
                   5972:                 ($$scantron_config{'Qon'} eq 'number')) {
                   5973:                 $ansnum = &scantron_validator_lettnum($ansnum,$questnum,
                   5974:                     $quest_id,$answers_needed,$currentquest,$whichline,
                   5975:                     \@alphabet,\%record,$scantron_config,$scan_data);
                   5976:             } else {
                   5977:                 $ansnum = &scantron_validator_positional($ansnum,$questnum,
                   5978:                     $quest_id,$answers_needed,$currentquest,$whichline,
                   5979:                     \@alphabet,\%record,$scantron_config,$scan_data);
                   5980:             }
                   5981:         }
                   5982:     }
                   5983:     $record{'scantron.maxquest'}=$questnum;
                   5984:     return \%record;
                   5985: }
1.447     foxr     5986: 
1.503     raeburn  5987: sub scantron_validator_lettnum {
                   5988:     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline,
                   5989:         $alphabet,$record,$scantron_config,$scan_data) = @_;
                   5990: 
                   5991:     # Qon 'letter' implies for each slot in currquest we have:
                   5992:     #    ? or * for doubles, a letter in A-Z for a bubble, and
                   5993:     #    about anything else (esp. a value of Qoff) for missing
                   5994:     #    bubbles.
                   5995:     #
                   5996:     # Qon 'number' implies each slot gives a digit that indexes the
                   5997:     #    bubbles filled, or Qoff, or a non-number for unbubbled lines,
                   5998:     #    and * or ? for double bubbles on a single line.
                   5999:     #
1.447     foxr     6000: 
1.503     raeburn  6001:     my $matchon;
                   6002:     if ($$scantron_config{'Qon'} eq 'letter') {
                   6003:         $matchon = '[A-Z]';
                   6004:     } elsif ($$scantron_config{'Qon'} eq 'number') {
                   6005:         $matchon = '\d';
                   6006:     }
                   6007:     my $occurrences = 0;
                   6008:     if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
                   6009:         ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
1.510     raeburn  6010:         ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
                   6011:         ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
                   6012:         ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
                   6013:         ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
1.503     raeburn  6014:         my @singlelines = split('',$currquest);
                   6015:         foreach my $entry (@singlelines) {
                   6016:             $occurrences = &occurence_count($entry,$matchon);
                   6017:             if ($occurrences > 1) {
                   6018:                 last;
                   6019:             }
                   6020:         } 
                   6021:     } else {
                   6022:         $occurrences = &occurence_count($currquest,$matchon); 
                   6023:     }
                   6024:     if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) {
                   6025:         push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   6026:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   6027:             my $bubble = substr($currquest,$ans,1);
                   6028:             if ($bubble =~ /$matchon/ ) {
                   6029:                 if ($$scantron_config{'Qon'} eq 'number') {
                   6030:                     if ($bubble == 0) {
                   6031:                         $bubble = 10; 
                   6032:                     }
                   6033:                     $record->{"scantron.$ansnum.answer"} = 
                   6034:                         $alphabet->[$bubble-1];
                   6035:                 } else {
                   6036:                     $record->{"scantron.$ansnum.answer"} = $bubble;
                   6037:                 }
                   6038:             } else {
                   6039:                 $record->{"scantron.$ansnum.answer"}='';
                   6040:             }
                   6041:             $ansnum++;
                   6042:         }
                   6043:     } elsif (!defined($currquest)
                   6044:             || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest))
                   6045:             || (&occurence_count($currquest,$matchon) == 0)) {
                   6046:         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
                   6047:             $record->{"scantron.$ansnum.answer"}='';
                   6048:             $ansnum++;
                   6049:         }
                   6050:         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
                   6051:             push(@{$record->{'scantron.missingerror'}},$quest_id);
                   6052:         }
                   6053:     } else {
                   6054:         if ($$scantron_config{'Qon'} eq 'number') {
                   6055:             $currquest = &digits_to_letters($currquest);            
                   6056:         }
                   6057:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   6058:             my $bubble = substr($currquest,$ans,1);
                   6059:             $record->{"scantron.$ansnum.answer"} = $bubble;
                   6060:             $ansnum++;
                   6061:         }
                   6062:     }
                   6063:     return $ansnum;
                   6064: }
1.447     foxr     6065: 
1.503     raeburn  6066: sub scantron_validator_positional {
                   6067:     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,
                   6068:         $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_;
1.447     foxr     6069: 
1.503     raeburn  6070:     # Otherwise there's a positional notation;
                   6071:     # each bubble line requires Qlength items, and there are filled in
                   6072:     # bubbles for each case where there 'Qon' characters.
                   6073:     #
1.447     foxr     6074: 
1.503     raeburn  6075:     my @array=split($$scantron_config{'Qon'},$currquest,-1);
1.447     foxr     6076: 
1.503     raeburn  6077:     # If the split only gives us one element.. the full length of the
                   6078:     # answer string, no bubbles are filled in:
1.447     foxr     6079: 
1.507     raeburn  6080:     if ($answers_needed eq '') {
                   6081:         return;
                   6082:     }
                   6083: 
1.503     raeburn  6084:     if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
                   6085:         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
                   6086:             $record->{"scantron.$ansnum.answer"}='';
                   6087:             $ansnum++;
                   6088:         }
                   6089:         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
                   6090:             push(@{$record->{"scantron.missingerror"}},$quest_id);
                   6091:         }
                   6092:     } elsif (scalar(@array) == 2) {
                   6093:         my $location = length($array[0]);
                   6094:         my $line_num = int($location / $$scantron_config{'Qlength'});
                   6095:         my $bubble   = $alphabet->[$location % $$scantron_config{'Qlength'}];
                   6096:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   6097:             if ($ans eq $line_num) {
                   6098:                 $record->{"scantron.$ansnum.answer"} = $bubble;
                   6099:             } else {
                   6100:                 $record->{"scantron.$ansnum.answer"} = ' ';
                   6101:             }
                   6102:             $ansnum++;
                   6103:          }
                   6104:     } else {
                   6105:         #  If there's more than one instance of a bubble character
                   6106:         #  That's a double bubble; with positional notation we can
                   6107:         #  record all the bubbles filled in as well as the
                   6108:         #  fact this response consists of multiple bubbles.
                   6109:         #
                   6110:         if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
                   6111:             ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
1.510     raeburn  6112:             ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
                   6113:             ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
                   6114:             ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
                   6115:             ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
1.503     raeburn  6116:             my $doubleerror = 0;
                   6117:             while (($currquest >= $$scantron_config{'Qlength'}) && 
                   6118:                    (!$doubleerror)) {
                   6119:                my $currline = substr($currquest,0,$$scantron_config{'Qlength'});
                   6120:                $currquest = substr($currquest,$$scantron_config{'Qlength'});
                   6121:                my @currarray = split($$scantron_config{'Qon'},$currline,-1);
                   6122:                if (length(@currarray) > 2) {
                   6123:                    $doubleerror = 1;
                   6124:                } 
                   6125:             }
                   6126:             if ($doubleerror) {
                   6127:                 push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   6128:             }
                   6129:         } else {
                   6130:             push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   6131:         }
                   6132:         my $item = $ansnum;
                   6133:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   6134:             $record->{"scantron.$item.answer"} = '';
                   6135:             $item ++;
                   6136:         }
1.447     foxr     6137: 
1.503     raeburn  6138:         my @ans=@array;
                   6139:         my $i=0;
                   6140:         my $increment = 0;
                   6141:         while ($#ans) {
                   6142:             $i+=length($ans[0]) + $increment;
                   6143:             my $line   = int($i/$$scantron_config{'Qlength'} + $ansnum);
                   6144:             my $bubble = $i%$$scantron_config{'Qlength'};
                   6145:             $record->{"scantron.$line.answer"}.=$alphabet->[$bubble];
                   6146:             shift(@ans);
                   6147:             $increment = 1;
                   6148:         }
                   6149:         $ansnum += $answers_needed;
1.82      albertel 6150:     }
1.503     raeburn  6151:     return $ansnum;
1.82      albertel 6152: }
                   6153: 
1.423     albertel 6154: =pod
                   6155: 
                   6156: =item scantron_add_delay
                   6157: 
                   6158:    Adds an error message that occurred during the grading phase to a
                   6159:    queue of messages to be shown after grading pass is complete
                   6160: 
                   6161:  Arguments:
1.424     albertel 6162:    $delayqueue  - arrary ref of hash ref of error messages
1.423     albertel 6163:    $scanline    - the scanline that caused the error
                   6164:    $errormesage - the error message
                   6165:    $errorcode   - a numeric code for the error
                   6166: 
                   6167:  Side Effects:
1.424     albertel 6168:    updates the $delayqueue to have a new hash ref of the error
1.423     albertel 6169: 
                   6170: =cut
                   6171: 
1.82      albertel 6172: sub scantron_add_delay {
1.140     albertel 6173:     my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
                   6174:     push(@$delayqueue,
                   6175: 	 {'line' => $scanline, 'emsg' => $errormessage,
                   6176: 	  'ecode' => $errorcode }
                   6177: 	 );
1.82      albertel 6178: }
                   6179: 
1.423     albertel 6180: =pod
                   6181: 
                   6182: =item scantron_find_student
                   6183: 
1.424     albertel 6184:    Finds the username for the current scanline
                   6185: 
                   6186:   Arguments:
                   6187:    $scantron_record - hash result from scantron_parse_scanline
                   6188:    $scan_data       - hash of correction information 
                   6189:                       (see &scantron_getfile() form more information)
                   6190:    $idmap           - hash from &username_to_idmap()
                   6191:    $line            - number of current scanline
                   6192:  
                   6193:   Returns:
                   6194:    Either 'username:domain' or undef if unknown
                   6195: 
1.423     albertel 6196: =cut
                   6197: 
1.82      albertel 6198: sub scantron_find_student {
1.157     albertel 6199:     my ($scantron_record,$scan_data,$idmap,$line)=@_;
1.83      albertel 6200:     my $scanID=$$scantron_record{'scantron.ID'};
1.157     albertel 6201:     if ($scanID =~ /^\s*$/) {
                   6202:  	return &scan_data($scan_data,"$line.user");
                   6203:     }
1.83      albertel 6204:     foreach my $id (keys(%$idmap)) {
1.157     albertel 6205:  	if (lc($id) eq lc($scanID)) {
                   6206:  	    return $$idmap{$id};
                   6207:  	}
1.83      albertel 6208:     }
                   6209:     return undef;
                   6210: }
                   6211: 
1.423     albertel 6212: =pod
                   6213: 
                   6214: =item scantron_filter
                   6215: 
1.424     albertel 6216:    Filter sub for lonnavmaps, filters out hidden resources if ignore
                   6217:    hidden resources was selected
                   6218: 
1.423     albertel 6219: =cut
                   6220: 
1.83      albertel 6221: sub scantron_filter {
                   6222:     my ($curres)=@_;
1.331     albertel 6223: 
                   6224:     if (ref($curres) && $curres->is_problem()) {
                   6225: 	# if the user has asked to not have either hidden
                   6226: 	# or 'randomout' controlled resources to be graded
                   6227: 	# don't include them
                   6228: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   6229: 	    && $curres->randomout) {
                   6230: 	    return 0;
                   6231: 	}
1.83      albertel 6232: 	return 1;
                   6233:     }
                   6234:     return 0;
1.82      albertel 6235: }
                   6236: 
1.423     albertel 6237: =pod
                   6238: 
                   6239: =item scantron_process_corrections
                   6240: 
1.424     albertel 6241:    Gets correction information out of submitted form data and corrects
                   6242:    the scanline
                   6243: 
1.423     albertel 6244: =cut
                   6245: 
1.157     albertel 6246: sub scantron_process_corrections {
                   6247:     my ($r) = @_;
1.257     albertel 6248:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 6249:     my ($scanlines,$scan_data)=&scantron_getfile();
                   6250:     my $classlist=&Apache::loncoursedata::get_classlist();
1.257     albertel 6251:     my $which=$env{'form.scantron_line'};
1.200     albertel 6252:     my $line=&scantron_get_line($scanlines,$scan_data,$which);
1.157     albertel 6253:     my ($skip,$err,$errmsg);
1.257     albertel 6254:     if ($env{'form.scantron_skip_record'}) {
1.157     albertel 6255: 	$skip=1;
1.257     albertel 6256:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) {
                   6257: 	my $newstudent=$env{'form.scantron_username'}.':'.
                   6258: 	    $env{'form.scantron_domain'};
1.157     albertel 6259: 	my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
                   6260: 	($line,$err,$errmsg)=
                   6261: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
                   6262: 				     'ID',{'newid'=>$newid,
1.257     albertel 6263: 				    'username'=>$env{'form.scantron_username'},
                   6264: 				    'domain'=>$env{'form.scantron_domain'}});
                   6265:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)CODE$/) {
                   6266: 	my $resolution=$env{'form.scantron_CODE_resolution'};
1.190     albertel 6267: 	my $newCODE;
1.192     albertel 6268: 	my %args;
1.190     albertel 6269: 	if      ($resolution eq 'use_unfound') {
1.191     albertel 6270: 	    $newCODE='use_unfound';
1.190     albertel 6271: 	} elsif ($resolution eq 'use_found') {
1.257     albertel 6272: 	    $newCODE=$env{'form.scantron_CODE_selectedvalue'};
1.190     albertel 6273: 	} elsif ($resolution eq 'use_typed') {
1.257     albertel 6274: 	    $newCODE=$env{'form.scantron_CODE_newvalue'};
1.194     albertel 6275: 	} elsif ($resolution =~ /^use_closest_(\d+)/) {
1.257     albertel 6276: 	    $newCODE=$env{"form.scantron_CODE_closest_$1"};
1.190     albertel 6277: 	}
1.257     albertel 6278: 	if ($env{'form.scantron_corrections'} eq 'duplicateCODE') {
1.192     albertel 6279: 	    $args{'CODE_ignore_dup'}=1;
                   6280: 	}
                   6281: 	$args{'CODE'}=$newCODE;
1.186     albertel 6282: 	($line,$err,$errmsg)=
                   6283: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
1.192     albertel 6284: 				     'CODE',\%args);
1.257     albertel 6285:     } elsif ($env{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
                   6286: 	foreach my $question (split(',',$env{'form.scantron_questions'})) {
1.157     albertel 6287: 	    ($line,$err,$errmsg)=
                   6288: 		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
                   6289: 					 $which,'answer',
                   6290: 					 { 'question'=>$question,
1.503     raeburn  6291: 		      		   'response'=>$env{"form.scantron_correct_Q_$question"},
                   6292:                                    'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}});
1.157     albertel 6293: 	    if ($err) { last; }
                   6294: 	}
                   6295:     }
                   6296:     if ($err) {
1.398     albertel 6297: 	$r->print("<span class=\"LC_warning\">Unable to accept last correction, an error occurred :$errmsg:</span>");
1.157     albertel 6298:     } else {
1.200     albertel 6299: 	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
1.157     albertel 6300: 	&scantron_putfile($scanlines,$scan_data);
                   6301:     }
                   6302: }
                   6303: 
1.423     albertel 6304: =pod
                   6305: 
                   6306: =item reset_skipping_status
                   6307: 
1.424     albertel 6308:    Forgets the current set of remember skipped scanlines (and thus
                   6309:    reverts back to considering all lines in the
                   6310:    scantron_skipped_<filename> file)
                   6311: 
1.423     albertel 6312: =cut
                   6313: 
1.200     albertel 6314: sub reset_skipping_status {
                   6315:     my ($scanlines,$scan_data)=&scantron_getfile();
                   6316:     &scan_data($scan_data,'remember_skipping',undef,1);
                   6317:     &scantron_putfile(undef,$scan_data);
                   6318: }
                   6319: 
1.423     albertel 6320: =pod
                   6321: 
                   6322: =item start_skipping
                   6323: 
1.424     albertel 6324:    Marks a scanline to be skipped. 
                   6325: 
1.423     albertel 6326: =cut
                   6327: 
1.376     albertel 6328: sub start_skipping {
1.200     albertel 6329:     my ($scan_data,$i)=@_;
                   6330:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 6331:     if ($env{'form.scantron_options_redo'} =~ /^redo_/) {
                   6332: 	$remembered{$i}=2;
                   6333:     } else {
                   6334: 	$remembered{$i}=1;
                   6335:     }
1.200     albertel 6336:     &scan_data($scan_data,'remember_skipping',join(':',%remembered));
                   6337: }
                   6338: 
1.423     albertel 6339: =pod
                   6340: 
                   6341: =item should_be_skipped
                   6342: 
1.424     albertel 6343:    Checks whether a scanline should be skipped.
                   6344: 
1.423     albertel 6345: =cut
                   6346: 
1.200     albertel 6347: sub should_be_skipped {
1.376     albertel 6348:     my ($scanlines,$scan_data,$i)=@_;
1.257     albertel 6349:     if ($env{'form.scantron_options_redo'} !~ /^redo_/) {
1.200     albertel 6350: 	# not redoing old skips
1.376     albertel 6351: 	if ($scanlines->{'skipped'}[$i]) { return 1; }
1.200     albertel 6352: 	return 0;
                   6353:     }
                   6354:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 6355: 
                   6356:     if (exists($remembered{$i}) && $remembered{$i} != 2 ) {
                   6357: 	return 0;
                   6358:     }
1.200     albertel 6359:     return 1;
                   6360: }
                   6361: 
1.423     albertel 6362: =pod
                   6363: 
                   6364: =item remember_current_skipped
                   6365: 
1.424     albertel 6366:    Discovers what scanlines are in the scantron_skipped_<filename>
                   6367:    file and remembers them into scan_data for later use.
                   6368: 
1.423     albertel 6369: =cut
                   6370: 
1.200     albertel 6371: sub remember_current_skipped {
                   6372:     my ($scanlines,$scan_data)=&scantron_getfile();
                   6373:     my %to_remember;
                   6374:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   6375: 	if ($scanlines->{'skipped'}[$i]) {
                   6376: 	    $to_remember{$i}=1;
                   6377: 	}
                   6378:     }
1.376     albertel 6379: 
1.200     albertel 6380:     &scan_data($scan_data,'remember_skipping',join(':',%to_remember));
                   6381:     &scantron_putfile(undef,$scan_data);
                   6382: }
                   6383: 
1.423     albertel 6384: =pod
                   6385: 
                   6386: =item check_for_error
                   6387: 
1.424     albertel 6388:     Checks if there was an error when attempting to remove a specific
1.659     raeburn  6389:     scantron_.. bubblesheet data file. Prints out an error if
1.424     albertel 6390:     something went wrong.
                   6391: 
1.423     albertel 6392: =cut
                   6393: 
1.200     albertel 6394: sub check_for_error {
                   6395:     my ($r,$result)=@_;
                   6396:     if ($result ne 'ok' && $result ne 'not_found' ) {
1.492     albertel 6397: 	$r->print(&mt("An error occurred ([_1]) when trying to remove the existing corrections.",$result));
1.200     albertel 6398:     }
                   6399: }
1.157     albertel 6400: 
1.423     albertel 6401: =pod
                   6402: 
                   6403: =item scantron_warning_screen
                   6404: 
1.424     albertel 6405:    Interstitial screen to make sure the operator has selected the
                   6406:    correct options before we start the validation phase.
                   6407: 
1.423     albertel 6408: =cut
                   6409: 
1.203     albertel 6410: sub scantron_warning_screen {
1.650     raeburn  6411:     my ($button_text,$symb)=@_;
1.257     albertel 6412:     my $title=&Apache::lonnet::gettitle($env{'form.selectpage'});
1.284     albertel 6413:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.373     albertel 6414:     my $CODElist;
1.284     albertel 6415:     if ($scantron_config{'CODElocation'} &&
                   6416: 	$scantron_config{'CODEstart'} &&
                   6417: 	$scantron_config{'CODElength'}) {
                   6418: 	$CODElist=$env{'form.scantron_CODElist'};
1.398     albertel 6419: 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
1.284     albertel 6420: 	$CODElist=
1.492     albertel 6421: 	    '<tr><td><b>'.&mt('List of CODES to validate against:').'</b></td><td><tt>'.
1.373     albertel 6422: 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
1.284     albertel 6423:     }
1.663     raeburn  6424:     my $lastbubblepoints;
                   6425:     if ($env{'form.scantron_lastbubblepoints'} ne '') {
                   6426:         $lastbubblepoints =
                   6427:             '<tr><td><b>'.&mt('Hand-graded items: points from last bubble in row').'</b></td><td><tt>'.
                   6428:             $env{'form.scantron_lastbubblepoints'}.'</tt></td></tr>';
                   6429:     }
1.492     albertel 6430:     return ('
1.203     albertel 6431: <p>
1.492     albertel 6432: <span class="LC_warning">
                   6433: '.&mt('Please double check the information below before clicking on \'[_1]\'',&mt($button_text)).'</span>
1.203     albertel 6434: </p>
                   6435: <table>
1.492     albertel 6436: <tr><td><b>'.&mt('Sequence to be Graded:').'</b></td><td>'.$title.'</td></tr>
                   6437: <tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
1.663     raeburn  6438: '.$CODElist.$lastbubblepoints.'
1.203     albertel 6439: </table>
1.650     raeburn  6440: <p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'<br />
                   6441: '.&mt('If something is incorrect, please return to [_1]Grade/Manage/Review Bubblesheets[_2] to start over.','<a href="/adm/grades?symb='.$symb.'&command=scantron_selectphase" class="LC_info">','</a>').'</p>
1.203     albertel 6442: 
                   6443: <br />
1.492     albertel 6444: ');
1.203     albertel 6445: }
                   6446: 
1.423     albertel 6447: =pod
                   6448: 
                   6449: =item scantron_do_warning
                   6450: 
1.424     albertel 6451:    Check if the operator has picked something for all required
                   6452:    fields. Error out if something is missing.
                   6453: 
1.423     albertel 6454: =cut
                   6455: 
1.203     albertel 6456: sub scantron_do_warning {
1.608     www      6457:     my ($r,$symb)=@_;
1.203     albertel 6458:     if (!$symb) {return '';}
1.324     albertel 6459:     my $default_form_data=&defaultFormData($symb);
1.203     albertel 6460:     $r->print(&scantron_form_start().$default_form_data);
1.257     albertel 6461:     if ( $env{'form.selectpage'} eq '' ||
                   6462: 	 $env{'form.scantron_selectfile'} eq '' ||
                   6463: 	 $env{'form.scantron_format'} eq '' ) {
1.642     raeburn  6464: 	$r->print("<p>".&mt('You have forgotten to specify some information. Please go Back and try again.')."</p>");
1.257     albertel 6465: 	if ( $env{'form.selectpage'} eq '') {
1.492     albertel 6466: 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a Sequence to grade').'</span></p>');
1.237     albertel 6467: 	} 
1.257     albertel 6468: 	if ( $env{'form.scantron_selectfile'} eq '') {
1.642     raeburn  6469: 	    $r->print('<p><span class="LC_error">'.&mt("You have not selected a file that contains the student's response data.").'</span></p>');
1.237     albertel 6470: 	} 
1.257     albertel 6471: 	if ( $env{'form.scantron_format'} eq '') {
1.642     raeburn  6472: 	    $r->print('<p><span class="LC_error">'.&mt("You have not selected the format of the student's response data.").'</span></p>');
1.237     albertel 6473: 	} 
                   6474:     } else {
1.650     raeburn  6475: 	my $warning=&scantron_warning_screen('Grading: Validate Records',$symb);
1.663     raeburn  6476:         my $bubbledbyhand=&hand_bubble_option();
1.492     albertel 6477: 	$r->print('
1.663     raeburn  6478: '.$warning.$bubbledbyhand.'
1.492     albertel 6479: <input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
1.203     albertel 6480: <input type="hidden" name="command" value="scantron_validate" />
1.492     albertel 6481: ');
1.237     albertel 6482:     }
1.614     www      6483:     $r->print("</form><br />");
1.203     albertel 6484:     return '';
                   6485: }
                   6486: 
1.423     albertel 6487: =pod
                   6488: 
                   6489: =item scantron_form_start
                   6490: 
1.424     albertel 6491:     html hidden input for remembering all selected grading options
                   6492: 
1.423     albertel 6493: =cut
                   6494: 
1.203     albertel 6495: sub scantron_form_start {
                   6496:     my ($max_bubble)=@_;
                   6497:     my $result= <<SCANTRONFORM;
                   6498: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
1.257     albertel 6499:   <input type="hidden" name="selectpage" value="$env{'form.selectpage'}" />
                   6500:   <input type="hidden" name="scantron_format" value="$env{'form.scantron_format'}" />
                   6501:   <input type="hidden" name="scantron_selectfile" value="$env{'form.scantron_selectfile'}" />
1.218     albertel 6502:   <input type="hidden" name="scantron_maxbubble" value="$max_bubble" />
1.257     albertel 6503:   <input type="hidden" name="scantron_CODElist" value="$env{'form.scantron_CODElist'}" />
                   6504:   <input type="hidden" name="scantron_CODEunique" value="$env{'form.scantron_CODEunique'}" />
                   6505:   <input type="hidden" name="scantron_options_redo" value="$env{'form.scantron_options_redo'}" />
                   6506:   <input type="hidden" name="scantron_options_ignore" value="$env{'form.scantron_options_ignore'}" />
1.331     albertel 6507:   <input type="hidden" name="scantron_options_hidden" value="$env{'form.scantron_options_hidden'}" />
1.203     albertel 6508: SCANTRONFORM
1.447     foxr     6509: 
                   6510:   my $line = 0;
                   6511:     while (defined($env{"form.scantron.bubblelines.$line"})) {
                   6512:        my $chunk =
                   6513: 	   '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";
1.448     foxr     6514:        $chunk .=
                   6515: 	   '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";
1.503     raeburn  6516:        $chunk .= 
                   6517:            '<input type="hidden" name="scantron.sub_bubblelines.'.$line.'" value="'.$env{"form.scantron.sub_bubblelines.$line"}.'" />'."\n";
1.504     raeburn  6518:        $chunk .=
                   6519:            '<input type="hidden" name="scantron.responsetype.'.$line.'" value="'.$env{"form.scantron.responsetype.$line"}.'" />'."\n";
1.447     foxr     6520:        $result .= $chunk;
                   6521:        $line++;
                   6522:    }
1.203     albertel 6523:     return $result;
                   6524: }
                   6525: 
1.423     albertel 6526: =pod
                   6527: 
                   6528: =item scantron_validate_file
                   6529: 
1.659     raeburn  6530:     Dispatch routine for doing validation of a bubblesheet data file.
1.424     albertel 6531: 
                   6532:     Also processes any necessary information resets that need to
                   6533:     occur before validation begins (ignore previous corrections,
                   6534:     restarting the skipped records processing)
                   6535: 
1.423     albertel 6536: =cut
                   6537: 
1.157     albertel 6538: sub scantron_validate_file {
1.608     www      6539:     my ($r,$symb) = @_;
1.157     albertel 6540:     if (!$symb) {return '';}
1.324     albertel 6541:     my $default_form_data=&defaultFormData($symb);
1.200     albertel 6542:     
                   6543:     # do the detection of only doing skipped records first befroe we delete
1.424     albertel 6544:     # them when doing the corrections reset
1.257     albertel 6545:     if ($env{'form.scantron_options_redo'} ne 'redo_skipped_ready') {
1.200     albertel 6546: 	&reset_skipping_status();
                   6547:     }
1.257     albertel 6548:     if ($env{'form.scantron_options_redo'} eq 'redo_skipped') {
1.200     albertel 6549: 	&remember_current_skipped();
1.257     albertel 6550: 	$env{'form.scantron_options_redo'}='redo_skipped_ready';
1.200     albertel 6551:     }
                   6552: 
1.257     albertel 6553:     if ($env{'form.scantron_options_ignore'} eq 'ignore_corrections') {
1.200     albertel 6554: 	&check_for_error($r,&scantron_remove_file('corrected'));
                   6555: 	&check_for_error($r,&scantron_remove_file('skipped'));
                   6556: 	&check_for_error($r,&scantron_remove_scan_data());
1.257     albertel 6557: 	$env{'form.scantron_options_ignore'}='done';
1.192     albertel 6558:     }
1.200     albertel 6559: 
1.257     albertel 6560:     if ($env{'form.scantron_corrections'}) {
1.157     albertel 6561: 	&scantron_process_corrections($r);
                   6562:     }
1.503     raeburn  6563:     $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
1.157     albertel 6564:     #get the student pick code ready
                   6565:     $r->print(&Apache::loncommon::studentbrowser_javascript());
1.582     raeburn  6566:     my $nav_error;
1.649     raeburn  6567:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
                   6568:     my $max_bubble=&scantron_get_maxbubble(\$nav_error,\%scantron_config);
1.582     raeburn  6569:     if ($nav_error) {
                   6570:         $r->print(&navmap_errormsg());
                   6571:         return '';
                   6572:     }
1.203     albertel 6573:     my $result=&scantron_form_start($max_bubble).$default_form_data;
1.663     raeburn  6574:     if ($env{'form.scantron_lastbubblepoints'} ne '') {
                   6575:         $result .= '<input type="hidden" name="scantron_lastbubblepoints" value="'.$env{'form.scantron_lastbubblepoints'}.'" />';
                   6576:     }
1.157     albertel 6577:     $r->print($result);
                   6578:     
1.334     albertel 6579:     my @validate_phases=( 'sequence',
                   6580: 			  'ID',
1.157     albertel 6581: 			  'CODE',
                   6582: 			  'doublebubble',
                   6583: 			  'missingbubbles');
1.257     albertel 6584:     if (!$env{'form.validatepass'}) {
                   6585: 	$env{'form.validatepass'} = 0;
1.157     albertel 6586:     }
1.257     albertel 6587:     my $currentphase=$env{'form.validatepass'};
1.157     albertel 6588: 
1.448     foxr     6589: 
1.157     albertel 6590:     my $stop=0;
                   6591:     while (!$stop && $currentphase < scalar(@validate_phases)) {
1.503     raeburn  6592: 	$r->print(&mt('Validating '.$validate_phases[$currentphase]).'<br />');
1.157     albertel 6593: 	$r->rflush();
                   6594: 	my $which="scantron_validate_".$validate_phases[$currentphase];
                   6595: 	{
                   6596: 	    no strict 'refs';
                   6597: 	    ($stop,$currentphase)=&$which($r,$currentphase);
                   6598: 	}
                   6599:     }
                   6600:     if (!$stop) {
1.650     raeburn  6601: 	my $warning=&scantron_warning_screen('Start Grading',$symb);
1.542     raeburn  6602: 	$r->print(&mt('Validation process complete.').'<br />'.
                   6603:                   $warning.
                   6604:                   &mt('Perform verification for each student after storage of submissions?').
                   6605:                   '&nbsp;<span class="LC_nobreak"><label>'.
                   6606:                   '<input type="radio" name="verifyrecord" value="1" />'.&mt('Yes').'</label>'.
                   6607:                   ('&nbsp;'x3).'<label>'.
                   6608:                   '<input type="radio" name="verifyrecord" value="0" checked="checked" />'.&mt('No').
                   6609:                   '</label></span><br />'.
                   6610:                   &mt('Grading will take longer if you use verification.').'<br />'.
1.650     raeburn  6611:                   &mt('Otherwise, Grade/Manage/Review Bubblesheets [_1] Review bubblesheet data can be used once grading is complete.','&raquo;').'<br /><br />'.
1.542     raeburn  6612:                   '<input type="submit" name="submit" value="'.&mt('Start Grading').'" />'.
                   6613:                   '<input type="hidden" name="command" value="scantron_process" />'."\n");
1.157     albertel 6614:     } else {
                   6615: 	$r->print('<input type="hidden" name="command" value="scantron_validate" />');
                   6616: 	$r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
                   6617:     }
                   6618:     if ($stop) {
1.334     albertel 6619: 	if ($validate_phases[$currentphase] eq 'sequence') {
1.539     riegler  6620: 	    $r->print('<input type="submit" name="submit" value="'.&mt('Ignore').' &rarr; " />');
1.492     albertel 6621: 	    $r->print(' '.&mt('this error').' <br />');
1.334     albertel 6622: 
1.650     raeburn  6623: 	    $r->print('<p>'.&mt('Or return to [_1]Grade/Manage/Review Bubblesheets[_2] to start over.','<a href="/adm/grades?symb='.$symb.'&command=scantron_selectphase" class="LC_info">','</a>').'</p>');
1.334     albertel 6624: 	} else {
1.503     raeburn  6625:             if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') {
1.539     riegler  6626: 	        $r->print('<input type="button" name="submitbutton" value="'.&mt('Continue').' &rarr;" onclick="javascript:verify_bubble_radio(this.form)" />');
1.503     raeburn  6627:             } else {
1.539     riegler  6628:                 $r->print('<input type="submit" name="submit" value="'.&mt('Continue').' &rarr;" />');
1.503     raeburn  6629:             }
1.492     albertel 6630: 	    $r->print(' '.&mt('using corrected info').' <br />');
                   6631: 	    $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");
                   6632: 	    $r->print(" ".&mt("this scanline saving it for later."));
1.334     albertel 6633: 	}
1.157     albertel 6634:     }
1.614     www      6635:     $r->print(" </form><br />");
1.157     albertel 6636:     return '';
                   6637: }
                   6638: 
1.423     albertel 6639: 
                   6640: =pod
                   6641: 
                   6642: =item scantron_remove_file
                   6643: 
1.659     raeburn  6644:    Removes the requested bubblesheet data file, makes sure that
1.424     albertel 6645:    scantron_original_<filename> is never removed
                   6646: 
                   6647: 
1.423     albertel 6648: =cut
                   6649: 
1.200     albertel 6650: sub scantron_remove_file {
1.192     albertel 6651:     my ($which)=@_;
1.257     albertel 6652:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6653:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 6654:     my $file='scantron_';
1.200     albertel 6655:     if ($which eq 'corrected' || $which eq 'skipped') {
                   6656: 	$file.=$which.'_';
1.192     albertel 6657:     } else {
                   6658: 	return 'refused';
                   6659:     }
1.257     albertel 6660:     $file.=$env{'form.scantron_selectfile'};
1.200     albertel 6661:     return &Apache::lonnet::removeuserfile($cname,$cdom,$file);
                   6662: }
                   6663: 
1.423     albertel 6664: 
                   6665: =pod
                   6666: 
                   6667: =item scantron_remove_scan_data
                   6668: 
1.659     raeburn  6669:    Removes all scan_data correction for the requested bubblesheet
1.424     albertel 6670:    data file.  (In the case that both the are doing skipped records we need
                   6671:    to remember the old skipped lines for the time being so that element
                   6672:    persists for a while.)
                   6673: 
1.423     albertel 6674: =cut
                   6675: 
1.200     albertel 6676: sub scantron_remove_scan_data {
1.257     albertel 6677:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6678:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 6679:     my @keys=&Apache::lonnet::getkeys('nohist_scantrondata',$cdom,$cname);
                   6680:     my @todelete;
1.257     albertel 6681:     my $filename=$env{'form.scantron_selectfile'};
1.192     albertel 6682:     foreach my $key (@keys) {
                   6683: 	if ($key=~/^\Q$filename\E_/) {
1.257     albertel 6684: 	    if ($env{'form.scantron_options_redo'} eq 'redo_skipped_ready' &&
1.200     albertel 6685: 		$key=~/remember_skipping/) {
                   6686: 		next;
                   6687: 	    }
1.192     albertel 6688: 	    push(@todelete,$key);
                   6689: 	}
                   6690:     }
1.200     albertel 6691:     my $result;
1.192     albertel 6692:     if (@todelete) {
1.491     albertel 6693: 	$result = &Apache::lonnet::del('nohist_scantrondata',
                   6694: 				       \@todelete,$cdom,$cname);
                   6695:     } else {
                   6696: 	$result = 'ok';
1.192     albertel 6697:     }
                   6698:     return $result;
                   6699: }
                   6700: 
1.423     albertel 6701: 
                   6702: =pod
                   6703: 
                   6704: =item scantron_getfile
                   6705: 
1.659     raeburn  6706:     Fetches the requested bubblesheet data file (all 3 versions), and
1.424     albertel 6707:     the scan_data hash
                   6708:   
                   6709:   Arguments:
                   6710:     None
                   6711: 
                   6712:   Returns:
                   6713:     2 hash references
                   6714: 
                   6715:      - first one has 
                   6716:          orig      -
                   6717:          corrected -
                   6718:          skipped   -  each of which points to an array ref of the specified
                   6719:                       file broken up into individual lines
                   6720:          count     - number of scanlines
                   6721:  
                   6722:      - second is the scan_data hash possible keys are
1.425     albertel 6723:        ($number refers to scanline numbered $number and thus the key affects
                   6724:         only that scanline
                   6725:         $bubline refers to the specific bubble line element and the aspects
                   6726:         refers to that specific bubble line element)
                   6727: 
                   6728:        $number.user - username:domain to use
                   6729:        $number.CODE_ignore_dup 
                   6730:                     - ignore the duplicate CODE error 
                   6731:        $number.useCODE
                   6732:                     - use the CODE in the scanline as is
                   6733:        $number.no_bubble.$bubline
                   6734:                     - it is valid that there is no bubbled in bubble
                   6735:                       at $number $bubline
                   6736:        remember_skipping
                   6737:                     - a frozen hash containing keys of $number and values
                   6738:                       of either 
                   6739:                         1 - we are on a 'do skipped records pass' and plan
                   6740:                             on processing this line
                   6741:                         2 - we are on a 'do skipped records pass' and this
                   6742:                             scanline has been marked to skip yet again
1.424     albertel 6743: 
1.423     albertel 6744: =cut
                   6745: 
1.157     albertel 6746: sub scantron_getfile {
1.200     albertel 6747:     #FIXME really would prefer a scantron directory
1.257     albertel 6748:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6749:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.157     albertel 6750:     my $lines;
                   6751:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6752: 		       'scantron_orig_'.$env{'form.scantron_selectfile'});
1.157     albertel 6753:     my %scanlines;
                   6754:     $scanlines{'orig'}=[(split("\n",$lines,-1))];
                   6755:     my $temp=$scanlines{'orig'};
                   6756:     $scanlines{'count'}=$#$temp;
                   6757: 
                   6758:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6759: 		       'scantron_corrected_'.$env{'form.scantron_selectfile'});
1.157     albertel 6760:     if ($lines eq '-1') {
                   6761: 	$scanlines{'corrected'}=[];
                   6762:     } else {
                   6763: 	$scanlines{'corrected'}=[(split("\n",$lines,-1))];
                   6764:     }
                   6765:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6766: 		       'scantron_skipped_'.$env{'form.scantron_selectfile'});
1.157     albertel 6767:     if ($lines eq '-1') {
                   6768: 	$scanlines{'skipped'}=[];
                   6769:     } else {
                   6770: 	$scanlines{'skipped'}=[(split("\n",$lines,-1))];
                   6771:     }
1.175     albertel 6772:     my @tmp=&Apache::lonnet::dump('nohist_scantrondata',$cdom,$cname);
1.157     albertel 6773:     if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); }
                   6774:     my %scan_data = @tmp;
                   6775:     return (\%scanlines,\%scan_data);
                   6776: }
                   6777: 
1.423     albertel 6778: =pod
                   6779: 
                   6780: =item lonnet_putfile
                   6781: 
1.424     albertel 6782:    Wrapper routine to call &Apache::lonnet::finishuserfileupload
                   6783: 
                   6784:  Arguments:
                   6785:    $contents - data to store
                   6786:    $filename - filename to store $contents into
                   6787: 
                   6788:  Returns:
                   6789:    result value from &Apache::lonnet::finishuserfileupload
                   6790: 
1.423     albertel 6791: =cut
                   6792: 
1.157     albertel 6793: sub lonnet_putfile {
                   6794:     my ($contents,$filename)=@_;
1.257     albertel 6795:     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6796:     my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   6797:     $env{'form.sillywaytopassafilearound'}=$contents;
1.275     albertel 6798:     &Apache::lonnet::finishuserfileupload($docuname,$docudom,'sillywaytopassafilearound',$filename);
1.157     albertel 6799: 
                   6800: }
                   6801: 
1.423     albertel 6802: =pod
                   6803: 
                   6804: =item scantron_putfile
                   6805: 
1.659     raeburn  6806:     Stores the current version of the bubblesheet data files, and the
1.424     albertel 6807:     scan_data hash. (Does not modify the original version only the
                   6808:     corrected and skipped versions.
                   6809: 
                   6810:  Arguments:
                   6811:     $scanlines - hash ref that looks like the first return value from
                   6812:                  &scantron_getfile()
                   6813:     $scan_data - hash ref that looks like the second return value from
                   6814:                  &scantron_getfile()
                   6815: 
1.423     albertel 6816: =cut
                   6817: 
1.157     albertel 6818: sub scantron_putfile {
                   6819:     my ($scanlines,$scan_data) = @_;
1.200     albertel 6820:     #FIXME really would prefer a scantron directory
1.257     albertel 6821:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6822:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.200     albertel 6823:     if ($scanlines) {
                   6824: 	my $prefix='scantron_';
1.157     albertel 6825: # no need to update orig, shouldn't change
                   6826: #   &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'.
1.257     albertel 6827: #		    $env{'form.scantron_selectfile'});
1.200     albertel 6828: 	&lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}),
                   6829: 			$prefix.'corrected_'.
1.257     albertel 6830: 			$env{'form.scantron_selectfile'});
1.200     albertel 6831: 	&lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}),
                   6832: 			$prefix.'skipped_'.
1.257     albertel 6833: 			$env{'form.scantron_selectfile'});
1.200     albertel 6834:     }
1.175     albertel 6835:     &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname);
1.157     albertel 6836: }
                   6837: 
1.423     albertel 6838: =pod
                   6839: 
                   6840: =item scantron_get_line
                   6841: 
1.424     albertel 6842:    Returns the correct version of the scanline
                   6843: 
                   6844:  Arguments:
                   6845:     $scanlines - hash ref that looks like the first return value from
                   6846:                  &scantron_getfile()
                   6847:     $scan_data - hash ref that looks like the second return value from
                   6848:                  &scantron_getfile()
                   6849:     $i         - number of the requested line (starts at 0)
                   6850: 
                   6851:  Returns:
                   6852:    A scanline, (either the original or the corrected one if it
                   6853:    exists), or undef if the requested scanline should be
                   6854:    skipped. (Either because it's an skipped scanline, or it's an
                   6855:    unskipped scanline and we are not doing a 'do skipped scanlines'
                   6856:    pass.
                   6857: 
1.423     albertel 6858: =cut
                   6859: 
1.157     albertel 6860: sub scantron_get_line {
1.200     albertel 6861:     my ($scanlines,$scan_data,$i)=@_;
1.376     albertel 6862:     if (&should_be_skipped($scanlines,$scan_data,$i)) { return undef; }
                   6863:     #if ($scanlines->{'skipped'}[$i]) { return undef; }
1.157     albertel 6864:     if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];}
                   6865:     return $scanlines->{'orig'}[$i]; 
                   6866: }
                   6867: 
1.423     albertel 6868: =pod
                   6869: 
                   6870: =item scantron_todo_count
                   6871: 
1.424     albertel 6872:     Counts the number of scanlines that need processing.
                   6873: 
                   6874:  Arguments:
                   6875:     $scanlines - hash ref that looks like the first return value from
                   6876:                  &scantron_getfile()
                   6877:     $scan_data - hash ref that looks like the second return value from
                   6878:                  &scantron_getfile()
                   6879: 
                   6880:  Returns:
                   6881:     $count - number of scanlines to process
                   6882: 
1.423     albertel 6883: =cut
                   6884: 
1.200     albertel 6885: sub get_todo_count {
                   6886:     my ($scanlines,$scan_data)=@_;
                   6887:     my $count=0;
                   6888:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   6889: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
                   6890: 	if ($line=~/^[\s\cz]*$/) { next; }
                   6891: 	$count++;
                   6892:     }
                   6893:     return $count;
                   6894: }
                   6895: 
1.423     albertel 6896: =pod
                   6897: 
                   6898: =item scantron_put_line
                   6899: 
1.659     raeburn  6900:     Updates the 'corrected' or 'skipped' versions of the bubblesheet
1.424     albertel 6901:     data file.
                   6902: 
                   6903:  Arguments:
                   6904:     $scanlines - hash ref that looks like the first return value from
                   6905:                  &scantron_getfile()
                   6906:     $scan_data - hash ref that looks like the second return value from
                   6907:                  &scantron_getfile()
                   6908:     $i         - line number to update
                   6909:     $newline   - contents of the updated scanline
                   6910:     $skip      - if true make the line for skipping and update the
                   6911:                  'skipped' file
                   6912: 
1.423     albertel 6913: =cut
                   6914: 
1.157     albertel 6915: sub scantron_put_line {
1.200     albertel 6916:     my ($scanlines,$scan_data,$i,$newline,$skip)=@_;
1.157     albertel 6917:     if ($skip) {
                   6918: 	$scanlines->{'skipped'}[$i]=$newline;
1.376     albertel 6919: 	&start_skipping($scan_data,$i);
1.157     albertel 6920: 	return;
                   6921:     }
                   6922:     $scanlines->{'corrected'}[$i]=$newline;
                   6923: }
                   6924: 
1.423     albertel 6925: =pod
                   6926: 
                   6927: =item scantron_clear_skip
                   6928: 
1.424     albertel 6929:    Remove a line from the 'skipped' file
                   6930: 
                   6931:  Arguments:
                   6932:     $scanlines - hash ref that looks like the first return value from
                   6933:                  &scantron_getfile()
                   6934:     $scan_data - hash ref that looks like the second return value from
                   6935:                  &scantron_getfile()
                   6936:     $i         - line number to update
                   6937: 
1.423     albertel 6938: =cut
                   6939: 
1.376     albertel 6940: sub scantron_clear_skip {
                   6941:     my ($scanlines,$scan_data,$i)=@_;
                   6942:     if (exists($scanlines->{'skipped'}[$i])) {
                   6943: 	undef($scanlines->{'skipped'}[$i]);
                   6944: 	return 1;
                   6945:     }
                   6946:     return 0;
                   6947: }
                   6948: 
1.423     albertel 6949: =pod
                   6950: 
                   6951: =item scantron_filter_not_exam
                   6952: 
1.424     albertel 6953:    Filter routine used by &Apache::lonnavmaps::retrieveResources(), to
                   6954:    filter out resources that are not marked as 'exam' mode
                   6955: 
1.423     albertel 6956: =cut
                   6957: 
1.334     albertel 6958: sub scantron_filter_not_exam {
                   6959:     my ($curres)=@_;
                   6960:     
                   6961:     if (ref($curres) && $curres->is_problem() && !$curres->is_exam()) {
                   6962: 	# if the user has asked to not have either hidden
                   6963: 	# or 'randomout' controlled resources to be graded
                   6964: 	# don't include them
                   6965: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   6966: 	    && $curres->randomout) {
                   6967: 	    return 0;
                   6968: 	}
                   6969: 	return 1;
                   6970:     }
                   6971:     return 0;
                   6972: }
                   6973: 
1.423     albertel 6974: =pod
                   6975: 
                   6976: =item scantron_validate_sequence
                   6977: 
1.424     albertel 6978:     Validates the selected sequence, checking for resource that are
                   6979:     not set to exam mode.
                   6980: 
1.423     albertel 6981: =cut
                   6982: 
1.334     albertel 6983: sub scantron_validate_sequence {
                   6984:     my ($r,$currentphase) = @_;
                   6985: 
                   6986:     my $navmap=Apache::lonnavmaps::navmap->new();
1.582     raeburn  6987:     unless (ref($navmap)) {
                   6988:         $r->print(&navmap_errormsg());
                   6989:         return (1,$currentphase);
                   6990:     }
1.334     albertel 6991:     my (undef,undef,$sequence)=
                   6992: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
                   6993: 
                   6994:     my $map=$navmap->getResourceByUrl($sequence);
                   6995: 
                   6996:     $r->print('<input type="hidden" name="validate_sequence_exam"
                   6997:                                     value="ignore" />');
                   6998:     if ($env{'form.validate_sequence_exam'} ne 'ignore') {
                   6999: 	my @resources=
                   7000: 	    $navmap->retrieveResources($map,\&scantron_filter_not_exam,1,0);
                   7001: 	if (@resources) {
1.357     banghart 7002: 	    $r->print("<p>".&mt('Some resources in the sequence currently are not set to exam mode. Grading these resources currently may not work correctly.')."</p>");
1.334     albertel 7003: 	    return (1,$currentphase);
                   7004: 	}
                   7005:     }
                   7006: 
                   7007:     return (0,$currentphase+1);
                   7008: }
                   7009: 
1.423     albertel 7010: 
                   7011: 
1.157     albertel 7012: sub scantron_validate_ID {
                   7013:     my ($r,$currentphase) = @_;
                   7014:     
                   7015:     #get student info
                   7016:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7017:     my %idmap=&username_to_idmap($classlist);
                   7018: 
                   7019:     #get scantron line setup
1.257     albertel 7020:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7021:     my ($scanlines,$scan_data)=&scantron_getfile();
1.582     raeburn  7022: 
                   7023:     my $nav_error;
1.649     raeburn  7024:     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # parse needs the bubble_lines.. array.
1.582     raeburn  7025:     if ($nav_error) {
                   7026:         $r->print(&navmap_errormsg());
                   7027:         return(1,$currentphase);
                   7028:     }
1.157     albertel 7029: 
                   7030:     my %found=('ids'=>{},'usernames'=>{});
                   7031:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7032: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7033: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7034: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7035: 						 $scan_data);
                   7036: 	my $id=$$scan_record{'scantron.ID'};
                   7037: 	my $found;
                   7038: 	foreach my $checkid (keys(%idmap)) {
                   7039: 	    if (lc($checkid) eq lc($id)) { $found=$checkid;last; }
                   7040: 	}
                   7041: 	if ($found) {
                   7042: 	    my $username=$idmap{$found};
                   7043: 	    if ($found{'ids'}{$found}) {
                   7044: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   7045: 					 $line,'duplicateID',$found);
1.194     albertel 7046: 		return(1,$currentphase);
1.157     albertel 7047: 	    } elsif ($found{'usernames'}{$username}) {
                   7048: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   7049: 					 $line,'duplicateID',$username);
1.194     albertel 7050: 		return(1,$currentphase);
1.157     albertel 7051: 	    }
1.186     albertel 7052: 	    #FIXME store away line we previously saw the ID on to use above
1.157     albertel 7053: 	    $found{'ids'}{$found}++;
                   7054: 	    $found{'usernames'}{$username}++;
                   7055: 	} else {
                   7056: 	    if ($id =~ /^\s*$/) {
1.158     albertel 7057: 		my $username=&scan_data($scan_data,"$i.user");
1.157     albertel 7058: 		if (defined($username) && $found{'usernames'}{$username}) {
                   7059: 		    &scantron_get_correction($r,$i,$scan_record,
                   7060: 					     \%scantron_config,
                   7061: 					     $line,'duplicateID',$username);
1.194     albertel 7062: 		    return(1,$currentphase);
1.157     albertel 7063: 		} elsif (!defined($username)) {
                   7064: 		    &scantron_get_correction($r,$i,$scan_record,
                   7065: 					     \%scantron_config,
                   7066: 					     $line,'incorrectID');
1.194     albertel 7067: 		    return(1,$currentphase);
1.157     albertel 7068: 		}
                   7069: 		$found{'usernames'}{$username}++;
                   7070: 	    } else {
                   7071: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   7072: 					 $line,'incorrectID');
1.194     albertel 7073: 		return(1,$currentphase);
1.157     albertel 7074: 	    }
                   7075: 	}
                   7076:     }
                   7077: 
                   7078:     return (0,$currentphase+1);
                   7079: }
                   7080: 
1.423     albertel 7081: 
1.157     albertel 7082: sub scantron_get_correction {
                   7083:     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
1.454     banghart 7084: #FIXME in the case of a duplicated ID the previous line, probably need
1.157     albertel 7085: #to show both the current line and the previous one and allow skipping
                   7086: #the previous one or the current one
                   7087: 
1.333     albertel 7088:     if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
1.658     bisitz   7089:         $r->print(
                   7090:             '<p class="LC_warning">'
                   7091:            .&mt('An error was detected ([_1]) for PaperID [_2]',
                   7092:                 "<b>$error</b>",
                   7093:                 '<tt>'.$$scan_record{'scantron.PaperID'}.'</tt>')
                   7094:            ."</p> \n");
1.157     albertel 7095:     } else {
1.658     bisitz   7096:         $r->print(
                   7097:             '<p class="LC_warning">'
                   7098:            .&mt('An error was detected ([_1]) in scanline [_2] [_3]',
                   7099:                 "<b>$error</b>", $i, "<pre>$line</pre>")
                   7100:            ."</p> \n");
                   7101:     }
                   7102:     my $message =
                   7103:         '<p>'
                   7104:        .&mt('The ID on the form is [_1]',
                   7105:             "<tt>$$scan_record{'scantron.ID'}</tt>")
                   7106:        .'<br />'
1.665     raeburn  7107:        .&mt('The name on the paper is [_1], [_2]',
1.658     bisitz   7108:             $$scan_record{'scantron.LastName'},
                   7109:             $$scan_record{'scantron.FirstName'})
                   7110:        .'</p>';
1.242     albertel 7111: 
1.157     albertel 7112:     $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
                   7113:     $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
1.503     raeburn  7114:                            # Array populated for doublebubble or
                   7115:     my @lines_to_correct;  # missingbubble errors to build javascript
                   7116:                            # to validate radio button checking   
                   7117: 
1.157     albertel 7118:     if ($error =~ /ID$/) {
1.186     albertel 7119: 	if ($error eq 'incorrectID') {
1.658     bisitz   7120:             $r->print('<p class="LC_warning">'.&mt("The encoded ID is not in the classlist").
1.492     albertel 7121: 		      "</p>\n");
1.157     albertel 7122: 	} elsif ($error eq 'duplicateID') {
1.658     bisitz   7123:             $r->print('<p class="LC_warning">'.&mt("The encoded ID has also been used by a previous paper [_1]",$arg)."</p>\n");
1.157     albertel 7124: 	}
1.242     albertel 7125: 	$r->print($message);
1.492     albertel 7126: 	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
1.157     albertel 7127: 	$r->print("\n<ul><li> ");
                   7128: 	#FIXME it would be nice if this sent back the user ID and
                   7129: 	#could do partial userID matches
                   7130: 	$r->print(&Apache::loncommon::selectstudent_link('scantronupload',
                   7131: 				       'scantron_username','scantron_domain'));
                   7132: 	$r->print(": <input type='text' name='scantron_username' value='' />");
                   7133: 	$r->print("\n@".
1.257     albertel 7134: 		 &Apache::loncommon::select_dom_form($env{'request.role.domain'},'scantron_domain'));
1.157     albertel 7135: 
                   7136: 	$r->print('</li>');
1.186     albertel 7137:     } elsif ($error =~ /CODE$/) {
                   7138: 	if ($error eq 'incorrectCODE') {
1.658     bisitz   7139: 	    $r->print('<p class="LC_warning">'.&mt("The encoded CODE is not in the list of possible CODEs.")."</p>\n");
1.186     albertel 7140: 	} elsif ($error eq 'duplicateCODE') {
1.658     bisitz   7141: 	    $r->print('<p class="LC_warning">'.&mt("The encoded CODE has also been used by a previous paper [_1], and CODEs are supposed to be unique.",join(', ',@{$arg}))."</p>\n");
1.186     albertel 7142: 	}
1.658     bisitz   7143: 	$r->print("<p>".&mt('The CODE on the form is [_1]',
                   7144: 			    "<tt>'$$scan_record{'scantron.CODE'}'</tt>")
                   7145:                  ."</p>\n");
1.242     albertel 7146: 	$r->print($message);
1.658     bisitz   7147: 	$r->print("<p>".&mt("How should I handle this?")."</p>\n");
1.187     albertel 7148: 	$r->print("\n<br /> ");
1.194     albertel 7149: 	my $i=0;
1.273     albertel 7150: 	if ($error eq 'incorrectCODE' 
                   7151: 	    && $$scan_record{'scantron.CODE'}=~/\S/ ) {
1.194     albertel 7152: 	    my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'});
1.278     albertel 7153: 	    if ($closest > 0) {
                   7154: 		foreach my $testcode (@{$closest}) {
                   7155: 		    my $checked='';
1.569     bisitz   7156: 		    if (!$i) { $checked=' checked="checked"'; }
1.492     albertel 7157: 		    $r->print("
                   7158:    <label>
1.569     bisitz   7159:        <input type='radio' name='scantron_CODE_resolution' value='use_closest_$i'$checked />
1.492     albertel 7160:        ".&mt("Use the similar CODE [_1] instead.",
                   7161: 	    "<b><tt>".$testcode."</tt></b>")."
                   7162:     </label>
                   7163:     <input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
1.278     albertel 7164: 		    $r->print("\n<br />");
                   7165: 		    $i++;
                   7166: 		}
1.194     albertel 7167: 	    }
                   7168: 	}
1.273     albertel 7169: 	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
1.569     bisitz   7170: 	    my $checked; if (!$i) { $checked=' checked="checked"'; }
1.492     albertel 7171: 	    $r->print("
                   7172:     <label>
1.569     bisitz   7173:         <input type='radio' name='scantron_CODE_resolution' value='use_unfound'$checked />
1.659     raeburn  7174:        ".&mt("Use the CODE [_1] that was on the paper, ignoring the error.",
1.492     albertel 7175: 	     "<b><tt>".$$scan_record{'scantron.CODE'}."</tt></b>")."
                   7176:     </label>");
1.273     albertel 7177: 	    $r->print("\n<br />");
                   7178: 	}
1.194     albertel 7179: 
1.597     wenzelju 7180: 	$r->print(&Apache::lonhtmlcommon::scripttag(<<ENDSCRIPT));
1.188     albertel 7181: function change_radio(field) {
1.190     albertel 7182:     var slct=document.scantronupload.scantron_CODE_resolution;
1.188     albertel 7183:     var i;
                   7184:     for (i=0;i<slct.length;i++) {
                   7185:         if (slct[i].value==field) { slct[i].checked=true; }
                   7186:     }
                   7187: }
                   7188: ENDSCRIPT
1.187     albertel 7189: 	my $href="/adm/pickcode?".
1.359     www      7190: 	   "form=".&escape("scantronupload").
                   7191: 	   "&scantron_format=".&escape($env{'form.scantron_format'}).
                   7192: 	   "&scantron_CODElist=".&escape($env{'form.scantron_CODElist'}).
                   7193: 	   "&curCODE=".&escape($$scan_record{'scantron.CODE'}).
                   7194: 	   "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'});
1.332     albertel 7195: 	if ($env{'form.scantron_CODElist'} =~ /\S/) { 
1.492     albertel 7196: 	    $r->print("
                   7197:     <label>
                   7198:        <input type='radio' name='scantron_CODE_resolution' value='use_found' />
                   7199:        ".&mt("[_1]Select[_2] a CODE from the list of all CODEs and use it.",
                   7200: 	     "<a target='_blank' href='$href'>","</a>")."
                   7201:     </label> 
1.558     bisitz   7202:     ".&mt("Selected CODE is [_1]",'<input readonly="readonly" type="text" size="8" name="scantron_CODE_selectedvalue" onfocus="javascript:change_radio(\'use_found\')" onchange="javascript:change_radio(\'use_found\')" />'));
1.332     albertel 7203: 	    $r->print("\n<br />");
                   7204: 	}
1.492     albertel 7205: 	$r->print("
                   7206:     <label>
                   7207:        <input type='radio' name='scantron_CODE_resolution' value='use_typed' />
                   7208:        ".&mt("Use [_1] as the CODE.",
                   7209: 	     "</label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" />"));
1.187     albertel 7210: 	$r->print("\n<br /><br />");
1.157     albertel 7211:     } elsif ($error eq 'doublebubble') {
1.658     bisitz   7212: 	$r->print('<p class="LC_warning">'.&mt("There have been multiple bubbles scanned for some question(s)")."</p>\n");
1.497     foxr     7213: 
                   7214: 	# The form field scantron_questions is acutally a list of line numbers.
                   7215: 	# represented by this form so:
                   7216: 
                   7217: 	my $line_list = &questions_to_line_list($arg);
                   7218: 
1.157     albertel 7219: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
1.497     foxr     7220: 		  $line_list.'" />');
1.242     albertel 7221: 	$r->print($message);
1.492     albertel 7222: 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");
1.157     albertel 7223: 	foreach my $question (@{$arg}) {
1.503     raeburn  7224: 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                   7225:                                                    $scan_record, $error);
1.524     raeburn  7226:             push(@lines_to_correct,@linenums);
1.157     albertel 7227: 	}
1.503     raeburn  7228:         $r->print(&verify_bubbles_checked(@lines_to_correct));
1.157     albertel 7229:     } elsif ($error eq 'missingbubble') {
1.658     bisitz   7230: 	$r->print('<p class="LC_warning">'.&mt("There have been [_1]no[_2] bubbles scanned for some question(s)",'<b>','</b>')."</p>\n");
1.242     albertel 7231: 	$r->print($message);
1.492     albertel 7232: 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");
1.503     raeburn  7233: 	$r->print(&mt("Some questions have no scanned bubbles.")."\n");
1.497     foxr     7234: 
1.503     raeburn  7235: 	# The form field scantron_questions is actually a list of line numbers not
1.497     foxr     7236: 	# a list of question numbers. Therefore:
                   7237: 	#
                   7238: 	
                   7239: 	my $line_list = &questions_to_line_list($arg);
                   7240: 
1.157     albertel 7241: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
1.497     foxr     7242: 		  $line_list.'" />');
1.157     albertel 7243: 	foreach my $question (@{$arg}) {
1.503     raeburn  7244: 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                   7245:                                                    $scan_record, $error);
1.524     raeburn  7246:             push(@lines_to_correct,@linenums);
1.157     albertel 7247: 	}
1.503     raeburn  7248:         $r->print(&verify_bubbles_checked(@lines_to_correct));
1.157     albertel 7249:     } else {
                   7250: 	$r->print("\n<ul>");
                   7251:     }
                   7252:     $r->print("\n</li></ul>");
1.497     foxr     7253: }
                   7254: 
1.503     raeburn  7255: sub verify_bubbles_checked {
                   7256:     my (@ansnums) = @_;
                   7257:     my $ansnumstr = join('","',@ansnums);
                   7258:     my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines.");
1.597     wenzelju 7259:     my $output = &Apache::lonhtmlcommon::scripttag((<<ENDSCRIPT));
1.503     raeburn  7260: function verify_bubble_radio(form) {
                   7261:     var ansnumArray = new Array ("$ansnumstr");
                   7262:     var need_bubble_count = 0;
                   7263:     for (var i=0; i<ansnumArray.length; i++) {
                   7264:         if (form.elements["scantron_correct_Q_"+ansnumArray[i]].length > 1) {
                   7265:             var bubble_picked = 0; 
                   7266:             for (var j=0; j<form.elements["scantron_correct_Q_"+ansnumArray[i]].length; j++) {
                   7267:                 if (form.elements["scantron_correct_Q_"+ansnumArray[i]][j].checked == true) {
                   7268:                     bubble_picked = 1;
                   7269:                 }
                   7270:             }
                   7271:             if (bubble_picked == 0) {
                   7272:                 need_bubble_count ++;
                   7273:             }
                   7274:         }
                   7275:     }
                   7276:     if (need_bubble_count) {
                   7277:         alert("$warning");
                   7278:         return;
                   7279:     }
                   7280:     form.submit(); 
                   7281: }
                   7282: ENDSCRIPT
                   7283:     return $output;
                   7284: }
                   7285: 
1.497     foxr     7286: =pod
                   7287: 
                   7288: =item  questions_to_line_list
1.157     albertel 7289: 
1.497     foxr     7290: Converts a list of questions into a string of comma separated
                   7291: line numbers in the answer sheet used by the questions.  This is
                   7292: used to fill in the scantron_questions form field.
                   7293: 
                   7294:   Arguments:
                   7295:      questions    - Reference to an array of questions.
                   7296: 
                   7297: =cut
                   7298: 
                   7299: 
                   7300: sub questions_to_line_list {
                   7301:     my ($questions) = @_;
                   7302:     my @lines;
                   7303: 
1.503     raeburn  7304:     foreach my $item (@{$questions}) {
                   7305:         my $question = $item;
                   7306:         my ($first,$count,$last);
                   7307:         if ($item =~ /^(\d+)\.(\d+)$/) {
                   7308:             $question = $1;
                   7309:             my $subquestion = $2;
                   7310:             $first = $first_bubble_line{$question-1} + 1;
                   7311:             my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   7312:             my $subcount = 1;
                   7313:             while ($subcount<$subquestion) {
                   7314:                 $first += $subans[$subcount-1];
                   7315:                 $subcount ++;
                   7316:             }
                   7317:             $count = $subans[$subquestion-1];
                   7318:         } else {
                   7319: 	    $first   = $first_bubble_line{$question-1} + 1;
                   7320: 	    $count   = $bubble_lines_per_response{$question-1};
                   7321:         }
1.506     raeburn  7322:         $last = $first+$count-1;
1.503     raeburn  7323:         push(@lines, ($first..$last));
1.497     foxr     7324:     }
                   7325:     return join(',', @lines);
                   7326: }
                   7327: 
                   7328: =pod 
                   7329: 
                   7330: =item prompt_for_corrections
                   7331: 
                   7332: Prompts for a potentially multiline correction to the
                   7333: user's bubbling (factors out common code from scantron_get_correction
                   7334: for multi and missing bubble cases).
                   7335: 
                   7336:  Arguments:
                   7337:    $r           - Apache request object.
                   7338:    $question    - The question number to prompt for.
                   7339:    $scan_config - The scantron file configuration hash.
                   7340:    $scan_record - Reference to the hash that has the the parsed scanlines.
1.503     raeburn  7341:    $error       - Type of error
1.497     foxr     7342: 
                   7343:  Implicit inputs:
                   7344:    %bubble_lines_per_response   - Starting line numbers for each question.
                   7345:                                   Numbered from 0 (but question numbers are from
                   7346:                                   1.
                   7347:    %first_bubble_line           - Starting bubble line for each question.
1.509     raeburn  7348:    %subdivided_bubble_lines     - optionresponse, matchresponse and rankresponse 
                   7349:                                   type problems render as separate sub-questions, 
1.503     raeburn  7350:                                   in exam mode. This hash contains a 
                   7351:                                   comma-separated list of the lines per 
                   7352:                                   sub-question.
1.510     raeburn  7353:    %responsetype_per_response   - essayresponse, formularesponse,
                   7354:                                   stringresponse, imageresponse, reactionresponse,
                   7355:                                   and organicresponse type problem parts can have
1.503     raeburn  7356:                                   multiple lines per response if the weight
                   7357:                                   assigned exceeds 10.  In this case, only
                   7358:                                   one bubble per line is permitted, but more 
                   7359:                                   than one line might contain bubbles, e.g.
                   7360:                                   bubbling of: line 1 - J, line 2 - J, 
                   7361:                                   line 3 - B would assign 22 points.  
1.497     foxr     7362: 
                   7363: =cut
                   7364: 
                   7365: sub prompt_for_corrections {
1.503     raeburn  7366:     my ($r, $question, $scan_config, $scan_record, $error) = @_;
                   7367:     my ($current_line,$lines);
                   7368:     my @linenums;
                   7369:     my $questionnum = $question;
                   7370:     if ($question =~ /^(\d+)\.(\d+)$/) {
                   7371:         $question = $1;
                   7372:         $current_line = $first_bubble_line{$question-1} + 1 ;
                   7373:         my $subquestion = $2;
                   7374:         my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   7375:         my $subcount = 1;
                   7376:         while ($subcount<$subquestion) {
                   7377:             $current_line += $subans[$subcount-1];
                   7378:             $subcount ++;
                   7379:         }
                   7380:         $lines = $subans[$subquestion-1];
                   7381:     } else {
                   7382:         $current_line = $first_bubble_line{$question-1} + 1 ;
                   7383:         $lines        = $bubble_lines_per_response{$question-1};
                   7384:     }
1.497     foxr     7385:     if ($lines > 1) {
1.503     raeburn  7386:         $r->print(&mt('The group of bubble lines below responds to a single question.').'<br />');
                   7387:         if (($responsetype_per_response{$question-1} eq 'essayresponse') ||
                   7388:             ($responsetype_per_response{$question-1} eq 'formularesponse') ||
1.510     raeburn  7389:             ($responsetype_per_response{$question-1} eq 'stringresponse') ||
                   7390:             ($responsetype_per_response{$question-1} eq 'imageresponse') ||
                   7391:             ($responsetype_per_response{$question-1} eq 'reactionresponse') ||
                   7392:             ($responsetype_per_response{$question-1} eq 'organicresponse')) {
1.572     www      7393:             $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their bubblesheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during bubblesheet grading by selecting a bubble in at least one line.').'<br />'.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'<br />'.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'<br /><br />');
1.503     raeburn  7394:         } else {
                   7395:             $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");
                   7396:         }
1.497     foxr     7397:     }
                   7398:     for (my $i =0; $i < $lines; $i++) {
1.503     raeburn  7399:         my $selected = $$scan_record{"scantron.$current_line.answer"};
                   7400: 	&scantron_bubble_selector($r,$scan_config,$current_line, 
                   7401: 	        		  $questionnum,$error,split('', $selected));
1.524     raeburn  7402:         push(@linenums,$current_line);
1.497     foxr     7403: 	$current_line++;
                   7404:     }
                   7405:     if ($lines > 1) {
                   7406: 	$r->print("<hr /><br />");
                   7407:     }
1.503     raeburn  7408:     return @linenums;
1.157     albertel 7409: }
1.423     albertel 7410: 
                   7411: =pod
                   7412: 
                   7413: =item scantron_bubble_selector
                   7414:   
                   7415:    Generates the html radiobuttons to correct a single bubble line
1.424     albertel 7416:    possibly showing the existing the selected bubbles if known
1.423     albertel 7417: 
                   7418:  Arguments:
                   7419:     $r           - Apache request object
                   7420:     $scan_config - hash from &get_scantron_config()
1.497     foxr     7421:     $line        - Number of the line being displayed.
1.503     raeburn  7422:     $questionnum - Question number (may include subquestion)
                   7423:     $error       - Type of error.
1.497     foxr     7424:     @selected    - Array of bubbles picked on this line.
1.423     albertel 7425: 
                   7426: =cut
                   7427: 
1.157     albertel 7428: sub scantron_bubble_selector {
1.503     raeburn  7429:     my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_;
1.157     albertel 7430:     my $max=$$scan_config{'Qlength'};
1.274     albertel 7431: 
                   7432:     my $scmode=$$scan_config{'Qon'};
1.649     raeburn  7433:     if ($scmode eq 'number' || $scmode eq 'letter') { 
                   7434:         if (($$scan_config{'BubblesPerRow'} =~ /^\d+$/) &&
                   7435:             ($$scan_config{'BubblesPerRow'} > 0)) {
                   7436:             $max=$$scan_config{'BubblesPerRow'};
                   7437:             if (($scmode eq 'number') && ($max > 10)) {
                   7438:                 $max = 10;
                   7439:             } elsif (($scmode eq 'letter') && $max > 26) {
                   7440:                 $max = 26;
                   7441:             }
                   7442:         } else {
                   7443:             $max = 10;
                   7444:         }
                   7445:     }
1.274     albertel 7446: 
1.157     albertel 7447:     my @alphabet=('A'..'Z');
1.503     raeburn  7448:     $r->print(&Apache::loncommon::start_data_table().
                   7449:               &Apache::loncommon::start_data_table_row());
                   7450:     $r->print('<td rowspan="2" class="LC_leftcol_header">'.$line.'</td>');
1.497     foxr     7451:     for (my $i=0;$i<$max+1;$i++) {
                   7452: 	$r->print("\n".'<td align="center">');
                   7453: 	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
                   7454: 	else { $r->print('&nbsp;'); }
                   7455: 	$r->print('</td>');
                   7456:     }
1.503     raeburn  7457:     $r->print(&Apache::loncommon::end_data_table_row().
                   7458:               &Apache::loncommon::start_data_table_row());
1.497     foxr     7459:     for (my $i=0;$i<$max;$i++) {
                   7460: 	$r->print("\n".
                   7461: 		  '<td><label><input type="radio" name="scantron_correct_Q_'.
                   7462: 		  $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
                   7463:     }
1.503     raeburn  7464:     my $nobub_checked = ' ';
                   7465:     if ($error eq 'missingbubble') {
                   7466:         $nobub_checked = ' checked = "checked" ';
                   7467:     }
                   7468:     $r->print("\n".'<td><label><input type="radio" name="scantron_correct_Q_'.
                   7469: 	      $line.'" value="none"'.$nobub_checked.'/>'.&mt('No bubble').
                   7470:               '</label>'."\n".'<input type="hidden" name="scantron_questionnum_Q_'.
                   7471:               $line.'" value="'.$questionnum.'" /></td>');
                   7472:     $r->print(&Apache::loncommon::end_data_table_row().
                   7473:               &Apache::loncommon::end_data_table());
1.157     albertel 7474: }
                   7475: 
1.423     albertel 7476: =pod
                   7477: 
                   7478: =item num_matches
                   7479: 
1.424     albertel 7480:    Counts the number of characters that are the same between the two arguments.
                   7481: 
                   7482:  Arguments:
                   7483:    $orig - CODE from the scanline
                   7484:    $code - CODE to match against
                   7485: 
                   7486:  Returns:
                   7487:    $count - integer count of the number of same characters between the
                   7488:             two arguments
                   7489: 
1.423     albertel 7490: =cut
                   7491: 
1.194     albertel 7492: sub num_matches {
                   7493:     my ($orig,$code) = @_;
                   7494:     my @code=split(//,$code);
                   7495:     my @orig=split(//,$orig);
                   7496:     my $same=0;
                   7497:     for (my $i=0;$i<scalar(@code);$i++) {
                   7498: 	if ($code[$i] eq $orig[$i]) { $same++; }
                   7499:     }
                   7500:     return $same;
                   7501: }
                   7502: 
1.423     albertel 7503: =pod
                   7504: 
                   7505: =item scantron_get_closely_matching_CODEs
                   7506: 
1.424     albertel 7507:    Cycles through all CODEs and finds the set that has the greatest
                   7508:    number of same characters as the provided CODE
                   7509: 
                   7510:  Arguments:
                   7511:    $allcodes - hash ref returned by &get_codes()
                   7512:    $CODE     - CODE from the current scanline
                   7513: 
                   7514:  Returns:
                   7515:    2 element list
                   7516:     - first elements is number of how closely matching the best fit is 
                   7517:       (5 means best set has 5 matching characters)
                   7518:     - second element is an arrary ref containing the set of valid CODEs
                   7519:       that best fit the passed in CODE
                   7520: 
1.423     albertel 7521: =cut
                   7522: 
1.194     albertel 7523: sub scantron_get_closely_matching_CODEs {
                   7524:     my ($allcodes,$CODE)=@_;
                   7525:     my @CODEs;
                   7526:     foreach my $testcode (sort(keys(%{$allcodes}))) {
                   7527: 	push(@{$CODEs[&num_matches($CODE,$testcode)]},$testcode);
                   7528:     }
                   7529: 
                   7530:     return ($#CODEs,$CODEs[-1]);
                   7531: }
                   7532: 
1.423     albertel 7533: =pod
                   7534: 
                   7535: =item get_codes
                   7536: 
1.424     albertel 7537:    Builds a hash which has keys of all of the valid CODEs from the selected
                   7538:    set of remembered CODEs.
                   7539: 
                   7540:  Arguments:
                   7541:   $old_name - name of the set of remembered CODEs
                   7542:   $cdom     - domain of the course
                   7543:   $cnum     - internal course name
                   7544: 
                   7545:  Returns:
                   7546:   %allcodes - keys are the valid CODEs, values are all 1
                   7547: 
1.423     albertel 7548: =cut
                   7549: 
1.194     albertel 7550: sub get_codes {
1.280     foxr     7551:     my ($old_name, $cdom, $cnum) = @_;
                   7552:     if (!$old_name) {
                   7553: 	$old_name=$env{'form.scantron_CODElist'};
                   7554:     }
                   7555:     if (!$cdom) {
                   7556: 	$cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   7557:     }
                   7558:     if (!$cnum) {
                   7559: 	$cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
                   7560:     }
1.278     albertel 7561:     my %result=&Apache::lonnet::get('CODEs',[$old_name,"type\0$old_name"],
                   7562: 				    $cdom,$cnum);
                   7563:     my %allcodes;
                   7564:     if ($result{"type\0$old_name"} eq 'number') {
                   7565: 	%allcodes=map {($_,1)} split(',',$result{$old_name});
                   7566:     } else {
                   7567: 	%allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
                   7568:     }
1.194     albertel 7569:     return %allcodes;
                   7570: }
                   7571: 
1.423     albertel 7572: =pod
                   7573: 
                   7574: =item scantron_validate_CODE
                   7575: 
1.424     albertel 7576:    Validates all scanlines in the selected file to not have any
                   7577:    invalid or underspecified CODEs and that none of the codes are
                   7578:    duplicated if this was requested.
                   7579: 
1.423     albertel 7580: =cut
                   7581: 
1.157     albertel 7582: sub scantron_validate_CODE {
                   7583:     my ($r,$currentphase) = @_;
1.257     albertel 7584:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.186     albertel 7585:     if ($scantron_config{'CODElocation'} &&
                   7586: 	$scantron_config{'CODEstart'} &&
                   7587: 	$scantron_config{'CODElength'}) {
1.257     albertel 7588: 	if (!defined($env{'form.scantron_CODElist'})) {
1.186     albertel 7589: 	    &FIXME_blow_up()
                   7590: 	}
                   7591:     } else {
                   7592: 	return (0,$currentphase+1);
                   7593:     }
                   7594:     
                   7595:     my %usedCODEs;
                   7596: 
1.194     albertel 7597:     my %allcodes=&get_codes();
1.186     albertel 7598: 
1.582     raeburn  7599:     my $nav_error;
1.649     raeburn  7600:     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # parse needs the lines per response array.
1.582     raeburn  7601:     if ($nav_error) {
                   7602:         $r->print(&navmap_errormsg());
                   7603:         return(1,$currentphase);
                   7604:     }
1.447     foxr     7605: 
1.186     albertel 7606:     my ($scanlines,$scan_data)=&scantron_getfile();
                   7607:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7608: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.186     albertel 7609: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7610: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7611: 						 $scan_data);
                   7612: 	my $CODE=$$scan_record{'scantron.CODE'};
                   7613: 	my $error=0;
1.224     albertel 7614: 	if (!&Apache::lonnet::validCODE($CODE)) {
                   7615: 	    &scantron_get_correction($r,$i,$scan_record,
                   7616: 				     \%scantron_config,
                   7617: 				     $line,'incorrectCODE',\%allcodes);
                   7618: 	    return(1,$currentphase);
                   7619: 	}
1.221     albertel 7620: 	if (%allcodes && !exists($allcodes{$CODE}) 
                   7621: 	    && !$$scan_record{'scantron.useCODE'}) {
1.186     albertel 7622: 	    &scantron_get_correction($r,$i,$scan_record,
                   7623: 				     \%scantron_config,
1.194     albertel 7624: 				     $line,'incorrectCODE',\%allcodes);
                   7625: 	    return(1,$currentphase);
1.186     albertel 7626: 	}
1.214     albertel 7627: 	if (exists($usedCODEs{$CODE}) 
1.257     albertel 7628: 	    && $env{'form.scantron_CODEunique'} eq 'yes'
1.192     albertel 7629: 	    && !$$scan_record{'scantron.CODE_ignore_dup'}) {
1.186     albertel 7630: 	    &scantron_get_correction($r,$i,$scan_record,
                   7631: 				     \%scantron_config,
1.194     albertel 7632: 				     $line,'duplicateCODE',$usedCODEs{$CODE});
                   7633: 	    return(1,$currentphase);
1.186     albertel 7634: 	}
1.524     raeburn  7635: 	push(@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
1.186     albertel 7636:     }
1.157     albertel 7637:     return (0,$currentphase+1);
                   7638: }
                   7639: 
1.423     albertel 7640: =pod
                   7641: 
                   7642: =item scantron_validate_doublebubble
                   7643: 
1.424     albertel 7644:    Validates all scanlines in the selected file to not have any
                   7645:    bubble lines with multiple bubbles marked.
                   7646: 
1.423     albertel 7647: =cut
                   7648: 
1.157     albertel 7649: sub scantron_validate_doublebubble {
                   7650:     my ($r,$currentphase) = @_;
                   7651:     #get student info
                   7652:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7653:     my %idmap=&username_to_idmap($classlist);
                   7654: 
                   7655:     #get scantron line setup
1.257     albertel 7656:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7657:     my ($scanlines,$scan_data)=&scantron_getfile();
1.583     raeburn  7658:     my $nav_error;
1.649     raeburn  7659:     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # parse needs the bubble line array.
1.583     raeburn  7660:     if ($nav_error) {
                   7661:         $r->print(&navmap_errormsg());
                   7662:         return(1,$currentphase);
                   7663:     }
1.447     foxr     7664: 
1.157     albertel 7665:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7666: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7667: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7668: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7669: 						 $scan_data);
                   7670: 	if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
                   7671: 	&scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
                   7672: 				 'doublebubble',
                   7673: 				 $$scan_record{'scantron.doubleerror'});
                   7674:     	return (1,$currentphase);
                   7675:     }
                   7676:     return (0,$currentphase+1);
                   7677: }
                   7678: 
1.423     albertel 7679: 
1.503     raeburn  7680: sub scantron_get_maxbubble {
1.649     raeburn  7681:     my ($nav_error,$scantron_config) = @_;
1.257     albertel 7682:     if (defined($env{'form.scantron_maxbubble'}) &&
                   7683: 	$env{'form.scantron_maxbubble'}) {
1.447     foxr     7684: 	&restore_bubble_lines();
1.257     albertel 7685: 	return $env{'form.scantron_maxbubble'};
1.191     albertel 7686:     }
1.330     albertel 7687: 
1.447     foxr     7688:     my (undef, undef, $sequence) =
1.257     albertel 7689: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.330     albertel 7690: 
1.447     foxr     7691:     my $navmap=Apache::lonnavmaps::navmap->new();
1.582     raeburn  7692:     unless (ref($navmap)) {
                   7693:         if (ref($nav_error)) {
                   7694:             $$nav_error = 1;
                   7695:         }
1.591     raeburn  7696:         return;
1.582     raeburn  7697:     }
1.191     albertel 7698:     my $map=$navmap->getResourceByUrl($sequence);
                   7699:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.649     raeburn  7700:     my $bubbles_per_row = &bubblesheet_bubbles_per_row($scantron_config);
1.330     albertel 7701: 
                   7702:     &Apache::lonxml::clear_problem_counter();
                   7703: 
1.557     raeburn  7704:     my $uname       = $env{'user.name'};
                   7705:     my $udom        = $env{'user.domain'};
1.435     foxr     7706:     my $cid         = $env{'request.course.id'};
                   7707:     my $total_lines = 0;
                   7708:     %bubble_lines_per_response = ();
1.447     foxr     7709:     %first_bubble_line         = ();
1.503     raeburn  7710:     %subdivided_bubble_lines   = ();
                   7711:     %responsetype_per_response = ();
1.554     raeburn  7712: 
1.447     foxr     7713:     my $response_number = 0;
                   7714:     my $bubble_line     = 0;
1.191     albertel 7715:     foreach my $resource (@resources) {
1.649     raeburn  7716:         my ($analysis,$parts) = &scantron_partids_tograde($resource,$cid,$uname,$udom,undef,$bubbles_per_row);
1.542     raeburn  7717:         if ((ref($analysis) eq 'HASH') && (ref($parts) eq 'ARRAY')) {
                   7718: 	    foreach my $part_id (@{$parts}) {
                   7719:                 my $lines;
                   7720: 
                   7721: 	        # TODO - make this a persistent hash not an array.
                   7722: 
                   7723:                 # optionresponse, matchresponse and rankresponse type items 
                   7724:                 # render as separate sub-questions in exam mode.
                   7725:                 if (($analysis->{$part_id.'.type'} eq 'optionresponse') ||
                   7726:                     ($analysis->{$part_id.'.type'} eq 'matchresponse') ||
                   7727:                     ($analysis->{$part_id.'.type'} eq 'rankresponse')) {
                   7728:                     my ($numbub,$numshown);
                   7729:                     if ($analysis->{$part_id.'.type'} eq 'optionresponse') {
                   7730:                         if (ref($analysis->{$part_id.'.options'}) eq 'ARRAY') {
                   7731:                             $numbub = scalar(@{$analysis->{$part_id.'.options'}});
                   7732:                         }
                   7733:                     } elsif ($analysis->{$part_id.'.type'} eq 'matchresponse') {
                   7734:                         if (ref($analysis->{$part_id.'.items'}) eq 'ARRAY') {
                   7735:                             $numbub = scalar(@{$analysis->{$part_id.'.items'}});
                   7736:                         }
                   7737:                     } elsif ($analysis->{$part_id.'.type'} eq 'rankresponse') {
                   7738:                         if (ref($analysis->{$part_id.'.foils'}) eq 'ARRAY') {
                   7739:                             $numbub = scalar(@{$analysis->{$part_id.'.foils'}});
                   7740:                         }
                   7741:                     }
                   7742:                     if (ref($analysis->{$part_id.'.shown'}) eq 'ARRAY') {
                   7743:                         $numshown = scalar(@{$analysis->{$part_id.'.shown'}});
                   7744:                     }
1.649     raeburn  7745:                     my $bubbles_per_row =
                   7746:                         &bubblesheet_bubbles_per_row($scantron_config);
                   7747:                     my $inner_bubble_lines = int($numbub/$bubbles_per_row);
                   7748:                     if (($numbub % $bubbles_per_row) != 0) {
1.542     raeburn  7749:                         $inner_bubble_lines++;
                   7750:                     }
                   7751:                     for (my $i=0; $i<$numshown; $i++) {
                   7752:                         $subdivided_bubble_lines{$response_number} .= 
                   7753:                             $inner_bubble_lines.',';
                   7754:                     }
                   7755:                     $subdivided_bubble_lines{$response_number} =~ s/,$//;
                   7756:                     $lines = $numshown * $inner_bubble_lines;
                   7757:                 } else {
                   7758:                     $lines = $analysis->{"$part_id.bubble_lines"};
1.649     raeburn  7759:                 }
1.542     raeburn  7760: 
                   7761:                 $first_bubble_line{$response_number} = $bubble_line;
                   7762: 	        $bubble_lines_per_response{$response_number} = $lines;
                   7763:                 $responsetype_per_response{$response_number} = 
                   7764:                     $analysis->{$part_id.'.type'};
                   7765: 	        $response_number++;
                   7766: 
                   7767: 	        $bubble_line +=  $lines;
                   7768: 	        $total_lines +=  $lines;
                   7769: 	    }
                   7770:         }
                   7771:     }
1.552     raeburn  7772:     &Apache::lonnet::delenv('scantron.');
1.542     raeburn  7773: 
                   7774:     &save_bubble_lines();
                   7775:     $env{'form.scantron_maxbubble'} =
                   7776: 	$total_lines;
                   7777:     return $env{'form.scantron_maxbubble'};
                   7778: }
1.523     raeburn  7779: 
1.649     raeburn  7780: sub bubblesheet_bubbles_per_row {
                   7781:     my ($scantron_config) = @_;
                   7782:     my $bubbles_per_row;
                   7783:     if (ref($scantron_config) eq 'HASH') {
                   7784:         $bubbles_per_row = $scantron_config->{'BubblesPerRow'};
                   7785:     }
                   7786:     if ((!$bubbles_per_row) || ($bubbles_per_row < 1)) {
                   7787:         $bubbles_per_row = 10;
                   7788:     }
                   7789:     return $bubbles_per_row;
                   7790: }
                   7791: 
1.157     albertel 7792: sub scantron_validate_missingbubbles {
                   7793:     my ($r,$currentphase) = @_;
                   7794:     #get student info
                   7795:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7796:     my %idmap=&username_to_idmap($classlist);
                   7797: 
                   7798:     #get scantron line setup
1.257     albertel 7799:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7800:     my ($scanlines,$scan_data)=&scantron_getfile();
1.582     raeburn  7801:     my $nav_error;
1.649     raeburn  7802:     my $max_bubble=&scantron_get_maxbubble(\$nav_error,\%scantron_config);
1.582     raeburn  7803:     if ($nav_error) {
                   7804:         return(1,$currentphase);
                   7805:     }
1.157     albertel 7806:     if (!$max_bubble) { $max_bubble=2**31; }
                   7807:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7808: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7809: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7810: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7811: 						 $scan_data);
                   7812: 	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
                   7813: 	my @to_correct;
1.470     foxr     7814: 	
                   7815: 	# Probably here's where the error is...
                   7816: 
1.157     albertel 7817: 	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
1.505     raeburn  7818:             my $lastbubble;
                   7819:             if ($missing =~ /^(\d+)\.(\d+)$/) {
                   7820:                my $question = $1;
                   7821:                my $subquestion = $2;
                   7822:                if (!defined($first_bubble_line{$question -1})) { next; }
                   7823:                my $first = $first_bubble_line{$question-1};
                   7824:                my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   7825:                my $subcount = 1;
                   7826:                while ($subcount<$subquestion) {
                   7827:                    $first += $subans[$subcount-1];
                   7828:                    $subcount ++;
                   7829:                }
                   7830:                my $count = $subans[$subquestion-1];
                   7831:                $lastbubble = $first + $count;
                   7832:             } else {
                   7833:                 if (!defined($first_bubble_line{$missing - 1})) { next; }
                   7834:                 $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1};
                   7835:             }
                   7836:             if ($lastbubble > $max_bubble) { next; }
1.157     albertel 7837: 	    push(@to_correct,$missing);
                   7838: 	}
                   7839: 	if (@to_correct) {
                   7840: 	    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   7841: 				     $line,'missingbubble',\@to_correct);
                   7842: 	    return (1,$currentphase);
                   7843: 	}
                   7844: 
                   7845:     }
                   7846:     return (0,$currentphase+1);
                   7847: }
                   7848: 
1.663     raeburn  7849: sub hand_bubble_option {
                   7850:     my (undef, undef, $sequence) =
                   7851:         &Apache::lonnet::decode_symb($env{'form.selectpage'});
                   7852:     return if ($sequence eq '');
                   7853:     my $navmap = Apache::lonnavmaps::navmap->new();
                   7854:     unless (ref($navmap)) {
                   7855:         return;
                   7856:     }
                   7857:     my $needs_hand_bubbles;
                   7858:     my $map=$navmap->getResourceByUrl($sequence);
                   7859:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
                   7860:     foreach my $res (@resources) {
                   7861:         if (ref($res)) {
                   7862:             if ($res->is_problem()) {
                   7863:                 my $partlist = $res->parts();
                   7864:                 foreach my $part (@{ $partlist }) {
                   7865:                     my @types = $res->responseType($part);
                   7866:                     if (grep(/^(chem|essay|image|formula|math|string|functionplot)$/,@types)) {
                   7867:                         $needs_hand_bubbles = 1;
                   7868:                         last;
                   7869:                     }
                   7870:                 }
                   7871:             }
                   7872:         }
                   7873:     }
                   7874:     if ($needs_hand_bubbles) {
                   7875:         my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
                   7876:         my $bubbles_per_row = &bubblesheet_bubbles_per_row(\%scantron_config);
                   7877:         return &mt('The sequence to be graded contains response types which are handgraded.').'<p>'.
                   7878:                &mt('If you have already graded these by bubbling sheets to indicate points awarded, [_1]what point value is assigned to a filled last bubble in each row?','<br />').
                   7879:                '<label><input type="radio" name="scantron_lastbubblepoints" value="'.$bubbles_per_row.'" checked="checked" />'.&mt('[quant,_1,point]',$bubbles_per_row).'</label>&nbsp;'.&mt('or').'&nbsp;'.
                   7880:                '<label><input type="radio" name="scantron_lastbubblepoints" value="0"/>0 points</label></p>';
                   7881:     }
                   7882:     return;
                   7883: }
1.423     albertel 7884: 
1.82      albertel 7885: sub scantron_process_students {
1.608     www      7886:     my ($r,$symb) = @_;
1.513     foxr     7887: 
1.257     albertel 7888:     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.513     foxr     7889:     if (!$symb) {
                   7890: 	return '';
                   7891:     }
1.324     albertel 7892:     my $default_form_data=&defaultFormData($symb);
1.82      albertel 7893: 
1.257     albertel 7894:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.649     raeburn  7895:     my $bubbles_per_row =
                   7896:         &bubblesheet_bubbles_per_row(\%scantron_config);
1.157     albertel 7897:     my ($scanlines,$scan_data)=&scantron_getfile();
1.82      albertel 7898:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7899:     my %idmap=&username_to_idmap($classlist);
1.132     bowersj2 7900:     my $navmap=Apache::lonnavmaps::navmap->new();
1.582     raeburn  7901:     unless (ref($navmap)) {
                   7902:         $r->print(&navmap_errormsg());
                   7903:         return '';
                   7904:     }  
1.83      albertel 7905:     my $map=$navmap->getResourceByUrl($sequence);
                   7906:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.557     raeburn  7907:     my (%grader_partids_by_symb,%grader_randomlists_by_symb);
                   7908:     &graders_resources_pass(\@resources,\%grader_partids_by_symb,
1.649     raeburn  7909:                             \%grader_randomlists_by_symb,$bubbles_per_row);
1.586     raeburn  7910:     my $resource_error;
1.557     raeburn  7911:     foreach my $resource (@resources) {
1.586     raeburn  7912:         my $ressymb;
                   7913:         if (ref($resource)) {
                   7914:             $ressymb = $resource->symb();
                   7915:         } else {
                   7916:             $resource_error = 1;
                   7917:             last;
                   7918:         }
1.557     raeburn  7919:         my ($analysis,$parts) =
                   7920:             &scantron_partids_tograde($resource,$env{'request.course.id'},
1.649     raeburn  7921:                                       $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
1.557     raeburn  7922:         $grader_partids_by_symb{$ressymb} = $parts;
                   7923:         if (ref($analysis) eq 'HASH') {
                   7924:             if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
                   7925:                 $grader_randomlists_by_symb{$ressymb} = 
                   7926:                     $analysis->{'parts_withrandomlist'};
                   7927:             }
                   7928:         }
                   7929:     }
1.586     raeburn  7930:     if ($resource_error) {
                   7931:         $r->print(&navmap_errormsg());
                   7932:         return '';
                   7933:     }
1.557     raeburn  7934: 
1.554     raeburn  7935:     my ($uname,$udom);
1.82      albertel 7936:     my $result= <<SCANTRONFORM;
1.81      albertel 7937: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
                   7938:   <input type="hidden" name="command" value="scantron_configphase" />
                   7939:   $default_form_data
                   7940: SCANTRONFORM
1.82      albertel 7941:     $r->print($result);
                   7942: 
                   7943:     my @delayqueue;
1.542     raeburn  7944:     my (%completedstudents,%scandata);
1.140     albertel 7945:     
1.520     www      7946:     my $lock=&Apache::lonnet::set_lock(&mt('Grading bubblesheet exam'));
1.200     albertel 7947:     my $count=&get_todo_count($scanlines,$scan_data);
1.667     www      7948:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$count);
                   7949:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,'Processing first student');
1.542     raeburn  7950:     $r->print('<br />');
1.140     albertel 7951:     my $start=&Time::HiRes::time();
1.158     albertel 7952:     my $i=-1;
1.542     raeburn  7953:     my $started;
1.447     foxr     7954: 
1.582     raeburn  7955:     my $nav_error;
1.649     raeburn  7956:     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # Need the bubble lines array to parse.
1.582     raeburn  7957:     if ($nav_error) {
                   7958:         $r->print(&navmap_errormsg());
                   7959:         return '';
                   7960:     }
                   7961: 
1.513     foxr     7962:     # If an ssi failed in scantron_get_maxbubble, put an error message out to
                   7963:     # the user and return.
                   7964: 
                   7965:     if ($ssi_error) {
                   7966: 	$r->print("</form>");
                   7967: 	&ssi_print_error($r);
1.520     www      7968:         &Apache::lonnet::remove_lock($lock);
1.513     foxr     7969: 	return '';		# Dunno why the other returns return '' rather than just returning.
                   7970:     }
1.447     foxr     7971: 
1.542     raeburn  7972:     my %lettdig = &letter_to_digits();
                   7973:     my $numletts = scalar(keys(%lettdig));
                   7974: 
1.157     albertel 7975:     while ($i<$scanlines->{'count'}) {
                   7976:  	($uname,$udom)=('','');
                   7977:  	$i++;
1.200     albertel 7978:  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7979:  	if ($line=~/^[\s\cz]*$/) { next; }
1.200     albertel 7980: 	if ($started) {
1.667     www      7981: 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.200     albertel 7982: 	}
                   7983: 	$started=1;
1.157     albertel 7984:  	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7985:  						 $scan_data);
                   7986:  	unless ($uname=&scantron_find_student($scan_record,$scan_data,
                   7987:  					      \%idmap,$i)) {
                   7988:   	    &scantron_add_delay(\@delayqueue,$line,
                   7989:  				'Unable to find a student that matches',1);
                   7990:  	    next;
                   7991:   	}
                   7992:  	if (exists $completedstudents{$uname}) {
                   7993:  	    &scantron_add_delay(\@delayqueue,$line,
                   7994:  				'Student '.$uname.' has multiple sheets',2);
                   7995:  	    next;
                   7996:  	}
                   7997:   	($uname,$udom)=split(/:/,$uname);
1.330     albertel 7998: 
1.586     raeburn  7999:         my (%partids_by_symb,$res_error);
1.554     raeburn  8000:         foreach my $resource (@resources) {
1.586     raeburn  8001:             my $ressymb;
                   8002:             if (ref($resource)) {
                   8003:                 $ressymb = $resource->symb();
                   8004:             } else {
                   8005:                 $res_error = 1;
                   8006:                 last;
                   8007:             }
1.557     raeburn  8008:             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
                   8009:                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
                   8010:                 my ($analysis,$parts) =
1.649     raeburn  8011:                     &scantron_partids_tograde($resource,$env{'request.course.id'},$uname,$udom,undef,$bubbles_per_row);
1.557     raeburn  8012:                 $partids_by_symb{$ressymb} = $parts;
                   8013:             } else {
                   8014:                 $partids_by_symb{$ressymb} = $grader_partids_by_symb{$ressymb};
                   8015:             }
1.554     raeburn  8016:         }
                   8017: 
1.586     raeburn  8018:         if ($res_error) {
                   8019:             &scantron_add_delay(\@delayqueue,$line,
                   8020:                                 'An error occurred while grading student '.$uname,2);
                   8021:             next;
                   8022:         }
                   8023: 
1.330     albertel 8024: 	&Apache::lonxml::clear_problem_counter();
1.514     raeburn  8025:   	&Apache::lonnet::appenv($scan_record);
1.376     albertel 8026: 
                   8027: 	if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
                   8028: 	    &scantron_putfile($scanlines,$scan_data);
                   8029: 	}
1.161     albertel 8030: 	
1.542     raeburn  8031:         my $scancode;
                   8032:         if ((exists($scan_record->{'scantron.CODE'})) &&
                   8033:             (&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'}))) {
                   8034:             $scancode = $scan_record->{'scantron.CODE'};
                   8035:         } else {
                   8036:             $scancode = '';
                   8037:         }
                   8038: 
                   8039:         if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
1.649     raeburn  8040:                                    \@resources,\%partids_by_symb,
                   8041:                                    $bubbles_per_row) eq 'ssi_error') {
1.542     raeburn  8042:             $ssi_error = 0; # So end of handler error message does not trigger.
                   8043:             $r->print("</form>");
                   8044:             &ssi_print_error($r);
                   8045:             &Apache::lonnet::remove_lock($lock);
                   8046:             return '';      # Why return ''?  Beats me.
                   8047:         }
1.513     foxr     8048: 
1.140     albertel 8049: 	$completedstudents{$uname}={'line'=>$line};
1.542     raeburn  8050:         if ($env{'form.verifyrecord'}) {
                   8051:             my $lastpos = $env{'form.scantron_maxbubble'}*$scantron_config{'Qlength'};
                   8052:             my $studentdata = substr($line,$scantron_config{'Qstart'}-1,$lastpos);
                   8053:             chomp($studentdata);
                   8054:             $studentdata =~ s/\r$//;
                   8055:             my $studentrecord = '';
                   8056:             my $counter = -1;
                   8057:             foreach my $resource (@resources) {
1.554     raeburn  8058:                 my $ressymb = $resource->symb();
1.542     raeburn  8059:                 ($counter,my $recording) =
                   8060:                     &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
1.554     raeburn  8061:                                              $counter,$studentdata,$partids_by_symb{$ressymb},
1.542     raeburn  8062:                                              \%scantron_config,\%lettdig,$numletts);
                   8063:                 $studentrecord .= $recording;
                   8064:             }
                   8065:             if ($studentrecord ne $studentdata) {
1.554     raeburn  8066:                 &Apache::lonxml::clear_problem_counter();
                   8067:                 if (&grade_student_bubbles($r,$uname,$udom,$scan_record,$scancode,
1.649     raeburn  8068:                                            \@resources,\%partids_by_symb,
                   8069:                                            $bubbles_per_row) eq 'ssi_error') {
1.554     raeburn  8070:                     $ssi_error = 0; # So end of handler error message does not trigger.
                   8071:                     $r->print("</form>");
                   8072:                     &ssi_print_error($r);
                   8073:                     &Apache::lonnet::remove_lock($lock);
                   8074:                     delete($completedstudents{$uname});
                   8075:                     return '';
                   8076:                 }
1.542     raeburn  8077:                 $counter = -1;
                   8078:                 $studentrecord = '';
                   8079:                 foreach my $resource (@resources) {
1.554     raeburn  8080:                     my $ressymb = $resource->symb();
1.542     raeburn  8081:                     ($counter,my $recording) =
                   8082:                         &verify_scantron_grading($resource,$udom,$uname,$env{'request.course.id'},
1.554     raeburn  8083:                                                  $counter,$studentdata,$partids_by_symb{$ressymb},
1.542     raeburn  8084:                                                  \%scantron_config,\%lettdig,$numletts);
                   8085:                     $studentrecord .= $recording;
                   8086:                 }
                   8087:                 if ($studentrecord ne $studentdata) {
1.658     bisitz   8088:                     $r->print('<p><span class="LC_warning">');
1.542     raeburn  8089:                     if ($scancode eq '') {
1.658     bisitz   8090:                         $r->print(&mt('Mismatch grading bubblesheet for user: [_1] with ID: [_2].',
1.542     raeburn  8091:                                   $uname.':'.$udom,$scan_record->{'scantron.ID'}));
                   8092:                     } else {
1.658     bisitz   8093:                         $r->print(&mt('Mismatch grading bubblesheet for user: [_1] with ID: [_2] and CODE: [_3].',
1.542     raeburn  8094:                                   $uname.':'.$udom,$scan_record->{'scantron.ID'},$scancode));
                   8095:                     }
                   8096:                     $r->print('</span><br />'.&Apache::loncommon::start_data_table()."\n".
                   8097:                               &Apache::loncommon::start_data_table_header_row()."\n".
                   8098:                               '<th>'.&mt('Source').'</th><th>'.&mt('Bubbled responses').'</th>'.
                   8099:                               &Apache::loncommon::end_data_table_header_row()."\n".
                   8100:                               &Apache::loncommon::start_data_table_row().
1.658     bisitz   8101:                               '<td>'.&mt('Bubblesheet').'</td>'.
                   8102:                               '<td><span class="LC_nobreak"><tt>'.$studentdata.'</tt></span></td>'.
1.542     raeburn  8103:                               &Apache::loncommon::end_data_table_row().
                   8104:                               &Apache::loncommon::start_data_table_row().
1.658     bisitz   8105:                               '<td>'.&mt('Stored submissions').'</td>'.
                   8106:                               '<td><span class="LC_nobreak"><tt>'.$studentrecord.'</tt></span></td>'."\n".
1.542     raeburn  8107:                               &Apache::loncommon::end_data_table_row().
                   8108:                               &Apache::loncommon::end_data_table().'</p>');
                   8109:                 } else {
                   8110:                     $r->print('<br /><span class="LC_warning">'.
                   8111:                              &mt('A second grading pass was needed for user: [_1] with ID: [_2], because a mismatch was seen on the first pass.',$uname.':'.$udom,$scan_record->{'scantron.ID'}).'<br />'.
                   8112:                              &mt("As a consequence, this user's submission history records two tries.").
                   8113:                                  '</span><br />');
                   8114:                 }
                   8115:             }
                   8116:         }
1.543     raeburn  8117:         if (&Apache::loncommon::connection_aborted($r)) { last; }
1.140     albertel 8118:     } continue {
1.330     albertel 8119: 	&Apache::lonxml::clear_problem_counter();
1.552     raeburn  8120: 	&Apache::lonnet::delenv('scantron.');
1.82      albertel 8121:     }
1.140     albertel 8122:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1.520     www      8123:     &Apache::lonnet::remove_lock($lock);
1.172     albertel 8124: #    my $lasttime = &Time::HiRes::time()-$start;
                   8125: #    $r->print("<p>took $lasttime</p>");
1.140     albertel 8126: 
1.200     albertel 8127:     $r->print("</form>");
1.157     albertel 8128:     return '';
1.75      albertel 8129: }
1.157     albertel 8130: 
1.557     raeburn  8131: sub graders_resources_pass {
1.649     raeburn  8132:     my ($resources,$grader_partids_by_symb,$grader_randomlists_by_symb,
                   8133:         $bubbles_per_row) = @_;
1.557     raeburn  8134:     if ((ref($resources) eq 'ARRAY') && (ref($grader_partids_by_symb)) && 
                   8135:         (ref($grader_randomlists_by_symb) eq 'HASH')) {
                   8136:         foreach my $resource (@{$resources}) {
                   8137:             my $ressymb = $resource->symb();
                   8138:             my ($analysis,$parts) =
                   8139:                 &scantron_partids_tograde($resource,$env{'request.course.id'},
1.649     raeburn  8140:                                           $env{'user.name'},$env{'user.domain'},1,$bubbles_per_row);
1.557     raeburn  8141:             $grader_partids_by_symb->{$ressymb} = $parts;
                   8142:             if (ref($analysis) eq 'HASH') {
                   8143:                 if (ref($analysis->{'parts_withrandomlist'}) eq 'ARRAY') {
                   8144:                     $grader_randomlists_by_symb->{$ressymb} =
                   8145:                         $analysis->{'parts_withrandomlist'};
                   8146:                 }
                   8147:             }
                   8148:         }
                   8149:     }
                   8150:     return;
                   8151: }
                   8152: 
1.542     raeburn  8153: sub grade_student_bubbles {
1.649     raeburn  8154:     my ($r,$uname,$udom,$scan_record,$scancode,$resources,$parts,$bubbles_per_row) = @_;
                   8155: # Walk folder as student here to get resources in order student sees.
1.554     raeburn  8156:     if (ref($resources) eq 'ARRAY') {
                   8157:         my $count = 0;
                   8158:         foreach my $resource (@{$resources}) {
                   8159:             my $ressymb = $resource->symb();
                   8160:             my %form = ('submitted'      => 'scantron',
                   8161:                         'grade_target'   => 'grade',
                   8162:                         'grade_username' => $uname,
                   8163:                         'grade_domain'   => $udom,
                   8164:                         'grade_courseid' => $env{'request.course.id'},
                   8165:                         'grade_symb'     => $ressymb,
                   8166:                         'CODE'           => $scancode
                   8167:                        );
1.649     raeburn  8168:             if ($bubbles_per_row ne '') {
                   8169:                 $form{'bubbles_per_row'} = $bubbles_per_row;
                   8170:             }
1.663     raeburn  8171:             if ($env{'form.scantron_lastbubblepoints'} ne '') {
                   8172:                 $form{'scantron_lastbubblepoints'} = $env{'form.scantron_lastbubblepoints'};
                   8173:             }
1.554     raeburn  8174:             if (ref($parts) eq 'HASH') {
                   8175:                 if (ref($parts->{$ressymb}) eq 'ARRAY') {
                   8176:                     foreach my $part (@{$parts->{$ressymb}}) {
                   8177:                         $form{'scantron_questnum_start.'.$part} =
                   8178:                             1+$env{'form.scantron.first_bubble_line.'.$count};
                   8179:                         $count++;
                   8180:                     }
                   8181:                 }
                   8182:             }
                   8183:             my $result=&ssi_with_retries($resource->src(),$ssi_retries,%form);
                   8184:             return 'ssi_error' if ($ssi_error);
                   8185:             last if (&Apache::loncommon::connection_aborted($r));
                   8186:         }
1.542     raeburn  8187:     }
                   8188:     return;
                   8189: }
                   8190: 
1.157     albertel 8191: sub scantron_upload_scantron_data {
1.608     www      8192:     my ($r,$symb)=@_;
1.565     raeburn  8193:     my $dom = $env{'request.role.domain'};
                   8194:     my $domdesc = &Apache::lonnet::domain($dom,'description');
                   8195:     $r->print(&Apache::loncommon::coursebrowser_javascript($dom));
1.157     albertel 8196:     my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid',
1.181     albertel 8197: 							  'domainid',
1.565     raeburn  8198: 							  'coursename',$dom);
                   8199:     my $syllabuslink = '<a href="javascript:ToSyllabus();">'.&mt('Syllabus').'</a>'.
                   8200:                        ('&nbsp'x2).&mt('(shows course personnel)'); 
1.608     www      8201:     my $default_form_data=&defaultFormData($symb);
1.579     raeburn  8202:     my $nofile_alert = &mt('Please use the browse button to select a file from your local directory.');
                   8203:     my $nocourseid_alert = &mt("Please use the 'Select Course' link to open a separate window where you can search for a course to which a file can be uploaded.");
1.597     wenzelju 8204:     $r->print(&Apache::lonhtmlcommon::scripttag('
1.157     albertel 8205:     function checkUpload(formname) {
                   8206: 	if (formname.upfile.value == "") {
1.579     raeburn  8207: 	    alert("'.$nofile_alert.'");
1.157     albertel 8208: 	    return false;
                   8209: 	}
1.565     raeburn  8210:         if (formname.courseid.value == "") {
1.579     raeburn  8211:             alert("'.$nocourseid_alert.'");
1.565     raeburn  8212:             return false;
                   8213:         }
1.157     albertel 8214: 	formname.submit();
                   8215:     }
1.565     raeburn  8216: 
                   8217:     function ToSyllabus() {
                   8218:         var cdom = '."'$dom'".';
                   8219:         var cnum = document.rules.courseid.value;
                   8220:         if (cdom == "" || cdom == null) {
                   8221:             return;
                   8222:         }
                   8223:         if (cnum == "" || cnum == null) {
                   8224:            return;
                   8225:         }
                   8226:         syllwin=window.open("/public/"+cdom+"/"+cnum+"/syllabus","LONCAPASyllabus",
                   8227:                             "height=350,width=350,scrollbars=yes,menubar=no");
                   8228:         return;
                   8229:     }
                   8230: 
1.597     wenzelju 8231: '));
                   8232:     $r->print('
1.648     bisitz   8233: <h3>'.&mt('Send bubblesheet data to a course').'</h3>
1.566     raeburn  8234: 
1.492     albertel 8235: <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
1.565     raeburn  8236: '.$default_form_data.
                   8237:   &Apache::lonhtmlcommon::start_pick_box().
                   8238:   &Apache::lonhtmlcommon::row_title(&mt('Course ID')).
                   8239:   '<input name="courseid" type="text" size="30" />'.$select_link.
                   8240:   &Apache::lonhtmlcommon::row_closure().
                   8241:   &Apache::lonhtmlcommon::row_title(&mt('Course Name')).
                   8242:   '<input name="coursename" type="text" size="30" />'.$syllabuslink.
                   8243:   &Apache::lonhtmlcommon::row_closure().
                   8244:   &Apache::lonhtmlcommon::row_title(&mt('Domain')).
                   8245:   '<input name="domainid" type="hidden" />'.$domdesc.
                   8246:   &Apache::lonhtmlcommon::row_closure().
                   8247:   &Apache::lonhtmlcommon::row_title(&mt('File to upload')).
                   8248:   '<input type="file" name="upfile" size="50" />'.
                   8249:   &Apache::lonhtmlcommon::row_closure(1).
                   8250:   &Apache::lonhtmlcommon::end_pick_box().'<br />
                   8251: 
1.492     albertel 8252: <input name="command" value="scantronupload_save" type="hidden" />
1.589     bisitz   8253: <input type="button" onclick="javascript:checkUpload(this.form);" value="'.&mt('Upload Bubblesheet Data').'" />
1.157     albertel 8254: </form>
1.492     albertel 8255: ');
1.157     albertel 8256:     return '';
                   8257: }
                   8258: 
1.423     albertel 8259: 
1.157     albertel 8260: sub scantron_upload_scantron_data_save {
1.608     www      8261:     my($r,$symb)=@_;
1.182     albertel 8262:     my $doanotherupload=
                   8263: 	'<br /><form action="/adm/grades" method="post">'."\n".
                   8264: 	'<input type="hidden" name="command" value="scantronupload" />'."\n".
1.492     albertel 8265: 	'<input type="submit" name="submit" value="'.&mt('Do Another Upload').'" />'."\n".
1.182     albertel 8266: 	'</form>'."\n";
1.257     albertel 8267:     if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
1.162     albertel 8268: 	!&Apache::lonnet::allowed('usc',
1.257     albertel 8269: 			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
1.575     www      8270: 	$r->print(&mt("You are not allowed to upload bubblesheet data to the requested course.")."<br />");
1.614     www      8271: 	unless ($symb) {
1.182     albertel 8272: 	    $r->print($doanotherupload);
                   8273: 	}
1.162     albertel 8274: 	return '';
                   8275:     }
1.257     albertel 8276:     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
1.568     raeburn  8277:     my $uploadedfile;
1.567     raeburn  8278:     $r->print('<h3>'.&mt("Uploading file to [_1]",$coursedata{'description'}).'</h3>');
1.257     albertel 8279:     if (length($env{'form.upfile'}) < 2) {
1.568     raeburn  8280:         $r->print(&mt('[_1]Error:[_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.','<span class="LC_error">','</span>','<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>'));
1.183     albertel 8281:     } else {
1.568     raeburn  8282:         my $result = 
                   8283:             &Apache::lonnet::userfileupload('upfile','','scantron','','','',
                   8284:                                             $env{'form.courseid'},$env{'form.domainid'});
                   8285: 	if ($result =~ m{^/uploaded/}) {
1.567     raeburn  8286: 	    $r->print(&mt('[_1]Success:[_2] Successfully uploaded [_3] bytes of data into location: [_4]',
                   8287:                           '<span class="LC_success">','</span>',(length($env{'form.upfile'})-1),
                   8288: 			  '<span class="LC_filename">'.$result.'</span>'));
1.568     raeburn  8289:             ($uploadedfile) = ($result =~ m{/([^/]+)$});
1.567     raeburn  8290:             $r->print(&validate_uploaded_scantron_file($env{'form.domainid'},
1.568     raeburn  8291:                                                        $env{'form.courseid'},$uploadedfile));
1.210     albertel 8292: 	} else {
1.567     raeburn  8293: 	    $r->print(&mt('[_1]Error:[_2] An error ([_3]) occurred when attempting to upload the file, [_4]',
                   8294:                           '<span class="LC_error">','</span>',$result,
1.568     raeburn  8295: 			  '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>'));
1.183     albertel 8296: 	}
                   8297:     }
1.174     albertel 8298:     if ($symb) {
1.612     www      8299: 	$r->print(&scantron_selectphase($r,$uploadedfile,$symb));
1.174     albertel 8300:     } else {
1.182     albertel 8301: 	$r->print($doanotherupload);
1.174     albertel 8302:     }
1.157     albertel 8303:     return '';
                   8304: }
                   8305: 
1.567     raeburn  8306: sub validate_uploaded_scantron_file {
                   8307:     my ($cdom,$cname,$fname) = @_;
                   8308:     my $scanlines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.$fname);
                   8309:     my @lines;
                   8310:     if ($scanlines ne '-1') {
                   8311:         @lines=split("\n",$scanlines,-1);
                   8312:     }
                   8313:     my $output;
                   8314:     if (@lines) {
                   8315:         my (%counts,$max_match_format);
                   8316:         my ($max_match_count,$max_match_pct) = (0,0);
                   8317:         my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cname);
                   8318:         my %idmap = &username_to_idmap($classlist);
                   8319:         foreach my $key (keys(%idmap)) {
                   8320:             my $lckey = lc($key);
                   8321:             $idmap{$lckey} = $idmap{$key};
                   8322:         }
                   8323:         my %unique_formats;
                   8324:         my @formatlines = &get_scantronformat_file();
                   8325:         foreach my $line (@formatlines) {
                   8326:             chomp($line);
                   8327:             my @config = split(/:/,$line);
                   8328:             my $idstart = $config[5];
                   8329:             my $idlength = $config[6];
                   8330:             if (($idstart ne '') && ($idlength > 0)) {
                   8331:                 if (ref($unique_formats{$idstart.':'.$idlength}) eq 'ARRAY') {
                   8332:                     push(@{$unique_formats{$idstart.':'.$idlength}},$config[0].':'.$config[1]); 
                   8333:                 } else {
                   8334:                     $unique_formats{$idstart.':'.$idlength} = [$config[0].':'.$config[1]];
                   8335:                 }
                   8336:             }
                   8337:         }
                   8338:         foreach my $key (keys(%unique_formats)) {
                   8339:             my ($idstart,$idlength) = split(':',$key);
                   8340:             %{$counts{$key}} = (
                   8341:                                'found'   => 0,
                   8342:                                'total'   => 0,
                   8343:                               );
                   8344:             foreach my $line (@lines) {
                   8345:                 next if ($line =~ /^#/);
                   8346:                 next if ($line =~ /^[\s\cz]*$/);
                   8347:                 my $id = substr($line,$idstart-1,$idlength);
                   8348:                 $id = lc($id);
                   8349:                 if (exists($idmap{$id})) {
                   8350:                     $counts{$key}{'found'} ++;
                   8351:                 }
                   8352:                 $counts{$key}{'total'} ++;
                   8353:             }
                   8354:             if ($counts{$key}{'total'}) {
                   8355:                 my $percent_match = (100*$counts{$key}{'found'})/($counts{$key}{'total'});
                   8356:                 if (($max_match_format eq '') || ($percent_match > $max_match_pct)) {
                   8357:                     $max_match_pct = $percent_match;
                   8358:                     $max_match_format = $key;
                   8359:                     $max_match_count = $counts{$key}{'total'};
                   8360:                 }
                   8361:             }
                   8362:         }
                   8363:         if (ref($unique_formats{$max_match_format}) eq 'ARRAY') {
                   8364:             my $format_descs;
                   8365:             my $numwithformat = @{$unique_formats{$max_match_format}};
                   8366:             for (my $i=0; $i<$numwithformat; $i++) {
                   8367:                 my ($name,$desc) = split(':',$unique_formats{$max_match_format}[$i]);
                   8368:                 if ($i<$numwithformat-2) {
                   8369:                     $format_descs .= '"<i>'.$desc.'</i>", ';
                   8370:                 } elsif ($i==$numwithformat-2) {
                   8371:                     $format_descs .= '"<i>'.$desc.'</i>" '.&mt('and').' ';
                   8372:                 } elsif ($i==$numwithformat-1) {
                   8373:                     $format_descs .= '"<i>'.$desc.'</i>"';
                   8374:                 }
                   8375:             }
                   8376:             my $showpct = sprintf("%.0f",$max_match_pct).'%';
                   8377:             $output .= '<br />'.&mt('Comparison of student IDs in the uploaded file with the course roster found matches for [_1] of the [_2] entries in the file (for the format defined for [_3]).','<b>'.$showpct.'</b>','<b>'.$max_match_count.'</b>',$format_descs).
                   8378:                        '<br />'.&mt('A low percentage of matches results from one of the following:').'<ul>'.
                   8379:                        '<li>'.&mt('The file was uploaded to the wrong course').'</li>'.
                   8380:                        '<li>'.&mt('The data are not in the format expected for the domain: [_1]',
                   8381:                                   '<i>'.$cdom.'</i>').'</li>'.
                   8382:                        '<li>'.&mt('Students did not bubble their IDs, or mis-bubbled them').'</li>'.
                   8383:                        '<li>'.&mt('The course roster is not up to date').'</li>'.
                   8384:                        '</ul>';
                   8385:         }
                   8386:     } else {
                   8387:         $output = '<span class="LC_warning">'.&mt('Uploaded file contained no data').'</span>';
                   8388:     }
                   8389:     return $output;
                   8390: }
                   8391: 
1.202     albertel 8392: sub valid_file {
                   8393:     my ($requested_file)=@_;
                   8394:     foreach my $filename (sort(&scantron_filenames())) {
                   8395: 	if ($requested_file eq $filename) { return 1; }
                   8396:     }
                   8397:     return 0;
                   8398: }
                   8399: 
                   8400: sub scantron_download_scantron_data {
1.608     www      8401:     my ($r,$symb)=@_;
                   8402:     my $default_form_data=&defaultFormData($symb);
1.257     albertel 8403:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   8404:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   8405:     my $file=$env{'form.scantron_selectfile'};
1.202     albertel 8406:     if (! &valid_file($file)) {
1.492     albertel 8407: 	$r->print('
1.202     albertel 8408: 	<p>
1.492     albertel 8409: 	    '.&mt('The requested file name was invalid.').'
1.202     albertel 8410:         </p>
1.492     albertel 8411: ');
1.202     albertel 8412: 	return;
                   8413:     }
                   8414:     my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
                   8415:     my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file;
                   8416:     my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file;
                   8417:     &Apache::lonnet::allowuploaded('/adm/grades',$orig);
                   8418:     &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
                   8419:     &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
1.492     albertel 8420:     $r->print('
1.202     albertel 8421:     <p>
1.492     albertel 8422: 	'.&mt('[_1]Original[_2] file as uploaded by the scantron office.',
                   8423: 	      '<a href="'.$orig.'">','</a>').'
1.202     albertel 8424:     </p>
                   8425:     <p>
1.492     albertel 8426: 	'.&mt('[_1]Corrections[_2], a file of corrected records that were used in grading.',
                   8427: 	      '<a href="'.$corrected.'">','</a>').'
1.202     albertel 8428:     </p>
                   8429:     <p>
1.492     albertel 8430: 	'.&mt('[_1]Skipped[_2], a file of records that were skipped.',
                   8431: 	      '<a href="'.$skipped.'">','</a>').'
1.202     albertel 8432:     </p>
1.492     albertel 8433: ');
1.202     albertel 8434:     return '';
                   8435: }
1.157     albertel 8436: 
1.523     raeburn  8437: sub checkscantron_results {
1.608     www      8438:     my ($r,$symb) = @_;
1.523     raeburn  8439:     if (!$symb) {return '';}
                   8440:     my $cid = $env{'request.course.id'};
1.542     raeburn  8441:     my %lettdig = &letter_to_digits();
1.523     raeburn  8442:     my $numletts = scalar(keys(%lettdig));
                   8443:     my $cnum = $env{'course.'.$cid.'.num'};
                   8444:     my $cdom = $env{'course.'.$cid.'.domain'};
                   8445:     my (undef, undef, $sequence) = &Apache::lonnet::decode_symb($env{'form.selectpage'});
                   8446:     my %record;
                   8447:     my %scantron_config =
                   8448:         &Apache::grades::get_scantron_config($env{'form.scantron_format'});
1.649     raeburn  8449:     my $bubbles_per_row = &bubblesheet_bubbles_per_row(\%scantron_config);
1.523     raeburn  8450:     my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile();
                   8451:     my $classlist=&Apache::loncoursedata::get_classlist();
                   8452:     my %idmap=&Apache::grades::username_to_idmap($classlist);
                   8453:     my $navmap=Apache::lonnavmaps::navmap->new();
1.582     raeburn  8454:     unless (ref($navmap)) {
                   8455:         $r->print(&navmap_errormsg());
                   8456:         return '';
                   8457:     }
1.523     raeburn  8458:     my $map=$navmap->getResourceByUrl($sequence);
1.557     raeburn  8459:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
                   8460:     my (%grader_partids_by_symb,%grader_randomlists_by_symb);
                   8461:     &graders_resources_pass(\@resources,\%grader_partids_by_symb,                             \%grader_randomlists_by_symb);
                   8462: 
1.554     raeburn  8463:     my ($uname,$udom);
1.523     raeburn  8464:     my (%scandata,%lastname,%bylast);
                   8465:     $r->print('
                   8466: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="checkscantron">'."\n");
                   8467: 
                   8468:     my @delayqueue;
                   8469:     my %completedstudents;
                   8470: 
                   8471:     my $count=&Apache::grades::get_todo_count($scanlines,$scan_data);
1.667     www      8472:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$count);
1.546     raeburn  8473:     my ($username,$domain,$started);
1.582     raeburn  8474:     my $nav_error;
1.649     raeburn  8475:     &scantron_get_maxbubble(\$nav_error,\%scantron_config); # Need the bubble lines array to parse.
1.582     raeburn  8476:     if ($nav_error) {
                   8477:         $r->print(&navmap_errormsg());
                   8478:         return '';
                   8479:     }
1.523     raeburn  8480: 
1.667     www      8481:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,'Processing first student');
1.523     raeburn  8482:     my $start=&Time::HiRes::time();
                   8483:     my $i=-1;
                   8484: 
                   8485:     while ($i<$scanlines->{'count'}) {
                   8486:         ($username,$domain,$uname)=('','','');
                   8487:         $i++;
                   8488:         my $line=&Apache::grades::scantron_get_line($scanlines,$scan_data,$i);
                   8489:         if ($line=~/^[\s\cz]*$/) { next; }
                   8490:         if ($started) {
1.667     www      8491:             &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.523     raeburn  8492:         }
                   8493:         $started=1;
                   8494:         my $scan_record=
                   8495:             &Apache::grades::scantron_parse_scanline($line,$i,\%scantron_config,
                   8496:                                                      $scan_data);
                   8497:         unless ($uname=&Apache::grades::scantron_find_student($scan_record,$scan_data,
                   8498:                                                               \%idmap,$i)) {
                   8499:             &Apache::grades::scantron_add_delay(\@delayqueue,$line,
                   8500:                                 'Unable to find a student that matches',1);
                   8501:             next;
                   8502:         }
                   8503:         if (exists $completedstudents{$uname}) {
                   8504:             &Apache::grades::scantron_add_delay(\@delayqueue,$line,
                   8505:                                 'Student '.$uname.' has multiple sheets',2);
                   8506:             next;
                   8507:         }
                   8508:         my $pid = $scan_record->{'scantron.ID'};
                   8509:         $lastname{$pid} = $scan_record->{'scantron.LastName'};
                   8510:         push(@{$bylast{$lastname{$pid}}},$pid);
                   8511:         my $lastpos = $env{'form.scantron_maxbubble'}*$scantron_config{'Qlength'};
                   8512:         $scandata{$pid} = substr($line,$scantron_config{'Qstart'}-1,$lastpos);
                   8513:         chomp($scandata{$pid});
                   8514:         $scandata{$pid} =~ s/\r$//;
                   8515:         ($username,$domain)=split(/:/,$uname);
                   8516:         my $counter = -1;
                   8517:         foreach my $resource (@resources) {
1.557     raeburn  8518:             my $parts;
1.554     raeburn  8519:             my $ressymb = $resource->symb();
1.557     raeburn  8520:             if ((exists($grader_randomlists_by_symb{$ressymb})) ||
                   8521:                 (ref($grader_partids_by_symb{$ressymb}) ne 'ARRAY')) {
                   8522:                 (my $analysis,$parts) =
1.649     raeburn  8523:                     &scantron_partids_tograde($resource,$env{'request.course.id'},$username,$domain,undef,$bubbles_per_row);
1.557     raeburn  8524:             } else {
                   8525:                 $parts = $grader_partids_by_symb{$ressymb};
                   8526:             }
1.542     raeburn  8527:             ($counter,my $recording) =
                   8528:                 &verify_scantron_grading($resource,$domain,$username,$cid,$counter,
1.554     raeburn  8529:                                          $scandata{$pid},$parts,
1.542     raeburn  8530:                                          \%scantron_config,\%lettdig,$numletts);
                   8531:             $record{$pid} .= $recording;
1.523     raeburn  8532:         }
                   8533:     }
                   8534:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   8535:     $r->print('<br />');
                   8536:     my ($okstudents,$badstudents,$numstudents,$passed,$failed);
                   8537:     $passed = 0;
                   8538:     $failed = 0;
                   8539:     $numstudents = 0;
                   8540:     foreach my $last (sort(keys(%bylast))) {
                   8541:         if (ref($bylast{$last}) eq 'ARRAY') {
                   8542:             foreach my $pid (sort(@{$bylast{$last}})) {
                   8543:                 my $showscandata = $scandata{$pid};
                   8544:                 my $showrecord = $record{$pid};
                   8545:                 $showscandata =~ s/\s/&nbsp;/g;
                   8546:                 $showrecord =~ s/\s/&nbsp;/g;
                   8547:                 if ($scandata{$pid} eq $record{$pid}) {
                   8548:                     my $css_class = ($passed % 2)?'LC_odd_row':'LC_even_row';
                   8549:                     $okstudents .= '<tr class="'.$css_class.'">'.
1.581     www      8550: '<td>'.&mt('Bubblesheet').'</td><td>'.$showscandata.'</td><td rowspan="2">'.$last.'</td><td rowspan="2">'.$pid.'</td>'."\n".
1.523     raeburn  8551: '</tr>'."\n".
                   8552: '<tr class="'.$css_class.'">'."\n".
                   8553: '<td>Submissions</td><td>'.$showrecord.'</td></tr>'."\n";
                   8554:                     $passed ++;
                   8555:                 } else {
                   8556:                     my $css_class = ($failed % 2)?'LC_odd_row':'LC_even_row';
1.581     www      8557:                     $badstudents .= '<tr class="'.$css_class.'"><td>'.&mt('Bubblesheet').'</td><td><span class="LC_nobreak">'.$scandata{$pid}.'</span></td><td rowspan="2">'.$last.'</td><td rowspan="2">'.$pid.'</td>'."\n".
1.523     raeburn  8558: '</tr>'."\n".
                   8559: '<tr class="'.$css_class.'">'."\n".
                   8560: '<td>Submissions</td><td><span class="LC_nobreak">'.$record{$pid}.'</span></td>'."\n".
                   8561: '</tr>'."\n";
                   8562:                     $failed ++;
                   8563:                 }
                   8564:                 $numstudents ++;
                   8565:             }
                   8566:         }
                   8567:     }
1.648     bisitz   8568:     $r->print(
                   8569:         '<p>'
                   8570:        .&mt('Comparison of bubblesheet data (including corrections) with corresponding submission records (most recent submission) for [_1][quant,_2,student][_3] ([quant,_4,bubblesheet line] per student).',
                   8571:             '<b>',
                   8572:             $numstudents,
                   8573:             '</b>',
                   8574:             $env{'form.scantron_maxbubble'})
                   8575:        .'</p>'
                   8576:     );
1.523     raeburn  8577:     $r->print('<p>'.&mt('Exact matches for <b>[quant,_1,student]</b>.',$passed).'<br />'.&mt('Discrepancies detected for <b>[quant,_1,student]</b>.',$failed).'</p>');
                   8578:     if ($passed) {
1.572     www      8579:         $r->print(&mt('Students with exact correspondence between bubblesheet data and submissions are as follows:').'<br /><br />');
1.523     raeburn  8580:         $r->print(&Apache::loncommon::start_data_table()."\n".
                   8581:                  &Apache::loncommon::start_data_table_header_row()."\n".
                   8582:                  '<th>'.&mt('Source').'</th><th>'.&mt('Bubble records').'</th><th>'.&mt('Name').'</th><th>'.&mt('ID').'</th>'.
                   8583:                  &Apache::loncommon::end_data_table_header_row()."\n".
                   8584:                  $okstudents."\n".
                   8585:                  &Apache::loncommon::end_data_table().'<br />');
                   8586:     }
                   8587:     if ($failed) {
1.572     www      8588:         $r->print(&mt('Students with differences between bubblesheet data and submissions are as follows:').'<br /><br />');
1.523     raeburn  8589:         $r->print(&Apache::loncommon::start_data_table()."\n".
                   8590:                  &Apache::loncommon::start_data_table_header_row()."\n".
                   8591:                  '<th>'.&mt('Source').'</th><th>'.&mt('Bubble records').'</th><th>'.&mt('Name').'</th><th>'.&mt('ID').'</th>'.
                   8592:                  &Apache::loncommon::end_data_table_header_row()."\n".
                   8593:                  $badstudents."\n".
                   8594:                  &Apache::loncommon::end_data_table()).'<br />'.
1.572     www      8595:                  &mt('Differences can occur if submissions were modified using manual grading after a bubblesheet grading pass.').'<br />'.&mt('If unexpected discrepancies were detected, it is recommended that you inspect the original bubblesheets.');  
1.523     raeburn  8596:     }
1.614     www      8597:     $r->print('</form><br />');
1.523     raeburn  8598:     return;
                   8599: }
                   8600: 
1.542     raeburn  8601: sub verify_scantron_grading {
1.554     raeburn  8602:     my ($resource,$domain,$username,$cid,$counter,$scandata,$partids,
1.542     raeburn  8603:         $scantron_config,$lettdig,$numletts) = @_;
                   8604:     my ($record,%expected,%startpos);
                   8605:     return ($counter,$record) if (!ref($resource));
                   8606:     return ($counter,$record) if (!$resource->is_problem());
                   8607:     my $symb = $resource->symb();
1.554     raeburn  8608:     return ($counter,$record) if (ref($partids) ne 'ARRAY');
                   8609:     foreach my $part_id (@{$partids}) {
1.542     raeburn  8610:         $counter ++;
                   8611:         $expected{$part_id} = 0;
                   8612:         if ($env{"form.scantron.sub_bubblelines.$counter"}) {
                   8613:             my @sub_lines = split(/,/,$env{"form.scantron.sub_bubblelines.$counter"});
                   8614:             foreach my $item (@sub_lines) {
                   8615:                 $expected{$part_id} += $item;
                   8616:             }
                   8617:         } else {
                   8618:             $expected{$part_id} = $env{"form.scantron.bubblelines.$counter"};
                   8619:         }
                   8620:         $startpos{$part_id} = $env{"form.scantron.first_bubble_line.$counter"};
                   8621:     }
                   8622:     if ($symb) {
                   8623:         my %recorded;
                   8624:         my (%returnhash) = &Apache::lonnet::restore($symb,$cid,$domain,$username);
                   8625:         if ($returnhash{'version'}) {
                   8626:             my %lasthash=();
                   8627:             my $version;
                   8628:             for ($version=1;$version<=$returnhash{'version'};$version++) {
                   8629:                 foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) {
                   8630:                     $lasthash{$key}=$returnhash{$version.':'.$key};
                   8631:                 }
                   8632:             }
                   8633:             foreach my $key (keys(%lasthash)) {
                   8634:                 if ($key =~ /\.scantron$/) {
                   8635:                     my $value = &unescape($lasthash{$key});
                   8636:                     my ($part_id) = ($key =~ /^resource\.(.+)\.scantron$/);
                   8637:                     if ($value eq '') {
                   8638:                         for (my $i=0; $i<$expected{$part_id}; $i++) {
                   8639:                             for (my $j=0; $j<$scantron_config->{'length'}; $j++) {
                   8640:                                 $recorded{$part_id} .= $scantron_config->{'Qoff'};
                   8641:                             }
                   8642:                         }
                   8643:                     } else {
                   8644:                         my @tocheck;
                   8645:                         my @items = split(//,$value);
                   8646:                         if (($scantron_config->{'Qon'} eq 'letter') ||
                   8647:                             ($scantron_config->{'Qon'} eq 'number')) {
                   8648:                             if (@items < $expected{$part_id}) {
                   8649:                                 my $fragment = substr($scandata,$startpos{$part_id},$expected{$part_id});
                   8650:                                 my @singles = split(//,$fragment);
                   8651:                                 foreach my $pos (@singles) {
                   8652:                                     if ($pos eq ' ') {
                   8653:                                         push(@tocheck,$pos);
                   8654:                                     } else {
                   8655:                                         my $next = shift(@items);
                   8656:                                         push(@tocheck,$next);
                   8657:                                     }
                   8658:                                 }
                   8659:                             } else {
                   8660:                                 @tocheck = @items;
                   8661:                             }
                   8662:                             foreach my $letter (@tocheck) {
                   8663:                                 if ($scantron_config->{'Qon'} eq 'letter') {
                   8664:                                     if ($letter !~ /^[A-J]$/) {
                   8665:                                         $letter = $scantron_config->{'Qoff'};
                   8666:                                     }
                   8667:                                     $recorded{$part_id} .= $letter;
                   8668:                                 } elsif ($scantron_config->{'Qon'} eq 'number') {
                   8669:                                     my $digit;
                   8670:                                     if ($letter !~ /^[A-J]$/) {
                   8671:                                         $digit = $scantron_config->{'Qoff'};
                   8672:                                     } else {
                   8673:                                         $digit = $lettdig->{$letter};
                   8674:                                     }
                   8675:                                     $recorded{$part_id} .= $digit;
                   8676:                                 }
                   8677:                             }
                   8678:                         } else {
                   8679:                             @tocheck = @items;
                   8680:                             for (my $i=0; $i<$expected{$part_id}; $i++) {
                   8681:                                 my $curr_sub = shift(@tocheck);
                   8682:                                 my $digit;
                   8683:                                 if ($curr_sub =~ /^[A-J]$/) {
                   8684:                                     $digit = $lettdig->{$curr_sub}-1;
                   8685:                                 }
                   8686:                                 if ($curr_sub eq 'J') {
                   8687:                                     $digit += scalar($numletts);
                   8688:                                 }
                   8689:                                 for (my $j=0; $j<$scantron_config->{'Qlength'}; $j++) {
                   8690:                                     if ($j == $digit) {
                   8691:                                         $recorded{$part_id} .= $scantron_config->{'Qon'};
                   8692:                                     } else {
                   8693:                                         $recorded{$part_id} .= $scantron_config->{'Qoff'};
                   8694:                                     }
                   8695:                                 }
                   8696:                             }
                   8697:                         }
                   8698:                     }
                   8699:                 }
                   8700:             }
                   8701:         }
1.554     raeburn  8702:         foreach my $part_id (@{$partids}) {
1.542     raeburn  8703:             if ($recorded{$part_id} eq '') {
                   8704:                 for (my $i=0; $i<$expected{$part_id}; $i++) {
                   8705:                     for (my $j=0; $j<$scantron_config->{'Qlength'}; $j++) {
                   8706:                         $recorded{$part_id} .= $scantron_config->{'Qoff'};
                   8707:                     }
                   8708:                 }
                   8709:             }
                   8710:             $record .= $recorded{$part_id};
                   8711:         }
                   8712:     }
                   8713:     return ($counter,$record);
                   8714: }
                   8715: 
                   8716: sub letter_to_digits { 
                   8717:     my %lettdig = (
                   8718:                     A => 1,
                   8719:                     B => 2,
                   8720:                     C => 3,
                   8721:                     D => 4,
                   8722:                     E => 5,
                   8723:                     F => 6,
                   8724:                     G => 7,
                   8725:                     H => 8,
                   8726:                     I => 9,
                   8727:                     J => 0,
                   8728:                   );
                   8729:     return %lettdig;
                   8730: }
                   8731: 
1.423     albertel 8732: 
1.75      albertel 8733: #-------- end of section for handling grading scantron forms -------
                   8734: #
                   8735: #-------------------------------------------------------------------
                   8736: 
1.72      ng       8737: #-------------------------- Menu interface -------------------------
                   8738: #
1.614     www      8739: #--- Href with symb and command ---
                   8740: 
                   8741: sub href_symb_cmd {
                   8742:     my ($symb,$cmd)=@_;
1.669     raeburn  8743:     return '/adm/grades?symb='.&HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'<>&"').'&amp;command='.$cmd;
1.72      ng       8744: }
                   8745: 
1.443     banghart 8746: sub grading_menu {
1.608     www      8747:     my ($request,$symb) = @_;
1.443     banghart 8748:     if (!$symb) {return '';}
                   8749: 
                   8750:     my %fields = ('symb'=>&Apache::lonenc::check_encrypt($symb),
1.618     www      8751:                   'command'=>'individual');
1.538     schulted 8752:     
1.598     www      8753:     my $url1a = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8754: 
                   8755:     $fields{'command'}='ungraded';
                   8756:     my $url1b=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8757: 
                   8758:     $fields{'command'}='table';
                   8759:     my $url1c=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8760: 
                   8761:     $fields{'command'}='all_for_one';
                   8762:     my $url1d=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8763: 
1.621     www      8764:     $fields{'command'}='downloadfilesselect';
                   8765:     my $url1e=&Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8766: 
1.443     banghart 8767:     $fields{'command'} = 'csvform';
1.538     schulted 8768:     my $url2 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8769:     
1.443     banghart 8770:     $fields{'command'} = 'processclicker';
1.538     schulted 8771:     my $url3 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   8772:     
1.443     banghart 8773:     $fields{'command'} = 'scantron_selectphase';
1.538     schulted 8774:     my $url4 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
1.602     www      8775: 
                   8776:     $fields{'command'} = 'initialverifyreceipt';
                   8777:     my $url5 = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
1.538     schulted 8778:     
1.598     www      8779:     my @menu = ({	categorytitle=>'Hand Grading',
1.538     schulted 8780:             items =>[
1.598     www      8781:                         {	linktext => 'Select individual students to grade',
                   8782:                     		url => $url1a,
1.538     schulted 8783:                     		permission => 'F',
1.636     wenzelju 8784:                     		icon => 'grade_students.png',
1.598     www      8785:                     		linktitle => 'Grade current resource for a selection of students.'
                   8786:                         }, 
                   8787:                         {       linktext => 'Grade ungraded submissions.',
                   8788:                                 url => $url1b,
                   8789:                                 permission => 'F',
1.636     wenzelju 8790:                                 icon => 'ungrade_sub.png',
1.598     www      8791:                                 linktitle => 'Grade all submissions that have not been graded yet.'
1.538     schulted 8792:                         },
1.598     www      8793: 
                   8794:                         {       linktext => 'Grading table',
                   8795:                                 url => $url1c,
                   8796:                                 permission => 'F',
1.636     wenzelju 8797:                                 icon => 'grading_table.png',
1.598     www      8798:                                 linktitle => 'Grade current resource for all students.'
                   8799:                         },
1.615     www      8800:                         {       linktext => 'Grade page/folder for one student',
1.598     www      8801:                                 url => $url1d,
                   8802:                                 permission => 'F',
1.636     wenzelju 8803:                                 icon => 'grade_PageFolder.png',
1.598     www      8804:                                 linktitle => 'Grade all resources in current page/sequence/folder for one student.'
1.621     www      8805:                         },
                   8806:                         {       linktext => 'Download submissions',
                   8807:                                 url => $url1e,
                   8808:                                 permission => 'F',
1.636     wenzelju 8809:                                 icon => 'download_sub.png',
1.621     www      8810:                                 linktitle => 'Download all students submissions.'
1.598     www      8811:                         }]},
                   8812:                          { categorytitle=>'Automated Grading',
                   8813:                items =>[
                   8814: 
1.538     schulted 8815:                 	    {	linktext => 'Upload Scores',
                   8816:                     		url => $url2,
                   8817:                     		permission => 'F',
                   8818:                     		icon => 'uploadscores.png',
                   8819:                     		linktitle => 'Specify a file containing the class scores for current resource.'
                   8820:                 	    },
                   8821:                 	    {	linktext => 'Process Clicker',
                   8822:                     		url => $url3,
                   8823:                     		permission => 'F',
                   8824:                     		icon => 'addClickerInfoFile.png',
                   8825:                     		linktitle => 'Specify a file containing the clicker information for this resource.'
                   8826:                 	    },
1.587     raeburn  8827:                 	    {	linktext => 'Grade/Manage/Review Bubblesheets',
1.538     schulted 8828:                     		url => $url4,
                   8829:                     		permission => 'F',
1.636     wenzelju 8830:                     		icon => 'bubblesheet.png',
1.648     bisitz   8831:                     		linktitle => 'Grade bubblesheet exams, upload/download bubblesheet data files, and review previously graded bubblesheet exams.'
1.602     www      8832:                 	    },
1.616     www      8833:                             {   linktext => 'Verify Receipt Number',
1.602     www      8834:                                 url => $url5,
                   8835:                                 permission => 'F',
1.636     wenzelju 8836:                                 icon => 'receipt_number.png',
1.602     www      8837:                                 linktitle => 'Verify a system-generated receipt number for correct problem solution.'
                   8838:                             }
                   8839: 
1.538     schulted 8840:                     ]
                   8841:             });
                   8842: 
1.443     banghart 8843:     # Create the menu
                   8844:     my $Str;
1.445     banghart 8845:     $Str .= '<form method="post" action="" name="gradingMenu">';
                   8846:     $Str .= '<input type="hidden" name="command" value="" />'.
1.618     www      8847:     	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
1.445     banghart 8848: 
1.602     www      8849:     $Str .= &Apache::lonhtmlcommon::generate_menu(@menu);
1.443     banghart 8850:     return $Str;    
                   8851: }
                   8852: 
1.598     www      8853: 
                   8854: sub ungraded {
                   8855:     my ($request)=@_;
                   8856:     &submit_options($request);
                   8857: }
                   8858: 
1.599     www      8859: sub submit_options_sequence {
1.608     www      8860:     my ($request,$symb) = @_;
1.599     www      8861:     if (!$symb) {return '';}
1.600     www      8862:     &commonJSfunctions($request);
                   8863:     my $result;
1.599     www      8864: 
1.600     www      8865:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
1.618     www      8866:         '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
1.632     www      8867:     $result.=&selectfield(0).
1.601     www      8868:             '<input type="hidden" name="command" value="pickStudentPage" />
1.600     www      8869:             <div>
                   8870:               <input type="submit" value="'.&mt('Next').' &rarr;" />
                   8871:             </div>
                   8872:         </div>
                   8873:   </form>';
                   8874:     return $result;
                   8875: }
                   8876: 
                   8877: sub submit_options_table {
1.608     www      8878:     my ($request,$symb) = @_;
1.600     www      8879:     if (!$symb) {return '';}
1.599     www      8880:     &commonJSfunctions($request);
                   8881:     my $result;
                   8882: 
                   8883:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
1.618     www      8884:         '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
1.599     www      8885: 
1.632     www      8886:     $result.=&selectfield(0).
1.601     www      8887:             '<input type="hidden" name="command" value="viewgrades" />
1.599     www      8888:             <div>
                   8889:               <input type="submit" value="'.&mt('Next').' &rarr;" />
                   8890:             </div>
                   8891:         </div>
                   8892:   </form>';
                   8893:     return $result;
                   8894: }
1.443     banghart 8895: 
1.621     www      8896: sub submit_options_download {
                   8897:     my ($request,$symb) = @_;
                   8898:     if (!$symb) {return '';}
                   8899: 
                   8900:     &commonJSfunctions($request);
                   8901: 
                   8902:     my $result='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
                   8903:         '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
                   8904:     $result.='
                   8905: <h2>
                   8906:   '.&mt('Select Students for Which to Download Submissions').'
                   8907: </h2>'.&selectfield(1).'
                   8908:                 <input type="hidden" name="command" value="downloadfileslink" /> 
                   8909:               <input type="submit" value="'.&mt('Next').' &rarr;" />
                   8910:             </div>
                   8911:           </div>
1.600     www      8912: 
                   8913: 
1.621     www      8914:   </form>';
                   8915:     return $result;
                   8916: }
                   8917: 
1.443     banghart 8918: #--- Displays the submissions first page -------
                   8919: sub submit_options {
1.608     www      8920:     my ($request,$symb) = @_;
1.72      ng       8921:     if (!$symb) {return '';}
                   8922: 
1.118     ng       8923:     &commonJSfunctions($request);
1.473     albertel 8924:     my $result;
1.533     bisitz   8925: 
1.72      ng       8926:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
1.618     www      8927: 	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
1.632     www      8928:     $result.=&selectfield(1).'
1.601     www      8929:                 <input type="hidden" name="command" value="submission" /> 
                   8930: 	      <input type="submit" value="'.&mt('Next').' &rarr;" />
                   8931:             </div>
                   8932:           </div>
                   8933: 
                   8934: 
                   8935:   </form>';
                   8936:     return $result;
                   8937: }
1.533     bisitz   8938: 
1.601     www      8939: sub selectfield {
                   8940:    my ($full)=@_;
1.635     raeburn  8941:    my %options = 
                   8942:           (&Apache::lonlocal::texthash(
                   8943:              'yes'       => 'with submissions',
                   8944:              'queued'    => 'in grading queue',
                   8945:              'graded'    => 'with ungraded submissions',
                   8946:              'incorrect' => 'with incorrect submissions',
                   8947:              'all'       => 'with any status'),
                   8948:              'select_form_order' => ['yes','queued','graded','incorrect','all']);
1.601     www      8949:    my $result='<div class="LC_columnSection">
1.537     harmsja  8950:   
1.533     bisitz   8951:     <fieldset>
                   8952:       <legend>
                   8953:        '.&mt('Sections').'
                   8954:       </legend>
1.601     www      8955:       '.&Apache::lonstatistics::SectionSelect('section','multiple',5).'
1.533     bisitz   8956:     </fieldset>
1.537     harmsja  8957:   
1.533     bisitz   8958:     <fieldset>
                   8959:       <legend>
                   8960:         '.&mt('Groups').'
                   8961:       </legend>
                   8962:       '.&Apache::lonstatistics::GroupSelect('group','multiple',5).'
                   8963:     </fieldset>
1.537     harmsja  8964:   
1.533     bisitz   8965:     <fieldset>
                   8966:       <legend>
                   8967:         '.&mt('Access Status').'
                   8968:       </legend>
1.601     www      8969:       '.&Apache::lonhtmlcommon::StatusOptions(undef,undef,5,undef,'mult').'
                   8970:     </fieldset>';
                   8971:     if ($full) {
                   8972:        $result.='
1.533     bisitz   8973:     <fieldset>
                   8974:       <legend>
                   8975:         '.&mt('Submission Status').'
1.601     www      8976:       </legend>'.
1.635     raeburn  8977:        &Apache::loncommon::select_form('all','submitonly',\%options).
1.601     www      8978:    '</fieldset>';
                   8979:     }
                   8980:     $result.='</div><br />';
1.44      ng       8981:     return $result;
1.2       albertel 8982: }
                   8983: 
1.285     albertel 8984: sub reset_perm {
                   8985:     undef(%perm);
                   8986: }
                   8987: 
                   8988: sub init_perm {
                   8989:     &reset_perm();
1.300     albertel 8990:     foreach my $test_perm ('vgr','mgr','opa') {
                   8991: 
                   8992: 	my $scope = $env{'request.course.id'};
                   8993: 	if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) {
                   8994: 
                   8995: 	    $scope .= '/'.$env{'request.course.sec'};
                   8996: 	    if ( $perm{$test_perm}=
                   8997: 		 &Apache::lonnet::allowed($test_perm,$scope)) {
                   8998: 		$perm{$test_perm.'_section'}=$env{'request.course.sec'};
                   8999: 	    } else {
                   9000: 		delete($perm{$test_perm});
                   9001: 	    }
1.285     albertel 9002: 	}
                   9003:     }
                   9004: }
                   9005: 
1.400     www      9006: sub gather_clicker_ids {
1.408     albertel 9007:     my %clicker_ids;
1.400     www      9008: 
                   9009:     my $classlist = &Apache::loncoursedata::get_classlist();
                   9010: 
                   9011:     # Set up a couple variables.
1.407     albertel 9012:     my $username_idx = &Apache::loncoursedata::CL_SNAME();
                   9013:     my $domain_idx   = &Apache::loncoursedata::CL_SDOM();
1.438     www      9014:     my $status_idx   = &Apache::loncoursedata::CL_STATUS();
1.400     www      9015: 
1.407     albertel 9016:     foreach my $student (keys(%$classlist)) {
1.438     www      9017:         if ($classlist->{$student}->[$status_idx] ne 'Active') { next; }
1.407     albertel 9018:         my $username = $classlist->{$student}->[$username_idx];
                   9019:         my $domain   = $classlist->{$student}->[$domain_idx];
1.400     www      9020:         my $clickers =
1.408     albertel 9021: 	    (&Apache::lonnet::userenvironment($domain,$username,'clickers'))[1];
1.400     www      9022:         foreach my $id (split(/\,/,$clickers)) {
1.414     www      9023:             $id=~s/^[\#0]+//;
1.421     www      9024:             $id=~s/[\-\:]//g;
1.407     albertel 9025:             if (exists($clicker_ids{$id})) {
1.408     albertel 9026: 		$clicker_ids{$id}.=','.$username.':'.$domain;
1.400     www      9027:             } else {
1.408     albertel 9028: 		$clicker_ids{$id}=$username.':'.$domain;
1.400     www      9029:             }
                   9030:         }
                   9031:     }
1.407     albertel 9032:     return %clicker_ids;
1.400     www      9033: }
                   9034: 
1.402     www      9035: sub gather_adv_clicker_ids {
1.408     albertel 9036:     my %clicker_ids;
1.402     www      9037:     my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
                   9038:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   9039:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.409     albertel 9040:     foreach my $element (sort(keys(%coursepersonnel))) {
1.402     www      9041:         foreach my $person (split(/\,/,$coursepersonnel{$element})) {
                   9042:             my ($puname,$pudom)=split(/\:/,$person);
                   9043:             my $clickers =
1.408     albertel 9044: 		(&Apache::lonnet::userenvironment($pudom,$puname,'clickers'))[1];
1.405     www      9045:             foreach my $id (split(/\,/,$clickers)) {
1.414     www      9046: 		$id=~s/^[\#0]+//;
1.421     www      9047:                 $id=~s/[\-\:]//g;
1.408     albertel 9048: 		if (exists($clicker_ids{$id})) {
                   9049: 		    $clicker_ids{$id}.=','.$puname.':'.$pudom;
                   9050: 		} else {
                   9051: 		    $clicker_ids{$id}=$puname.':'.$pudom;
                   9052: 		}
1.405     www      9053:             }
1.402     www      9054:         }
                   9055:     }
1.407     albertel 9056:     return %clicker_ids;
1.402     www      9057: }
                   9058: 
1.413     www      9059: sub clicker_grading_parameters {
                   9060:     return ('gradingmechanism' => 'scalar',
                   9061:             'upfiletype' => 'scalar',
                   9062:             'specificid' => 'scalar',
                   9063:             'pcorrect' => 'scalar',
                   9064:             'pincorrect' => 'scalar');
                   9065: }
                   9066: 
1.400     www      9067: sub process_clicker {
1.608     www      9068:     my ($r,$symb)=@_;
1.400     www      9069:     if (!$symb) {return '';}
                   9070:     my $result=&checkforfile_js();
1.632     www      9071:     $result.=&Apache::loncommon::start_data_table().
                   9072:              &Apache::loncommon::start_data_table_header_row().
                   9073:              '<th>'.&mt('Specify a file containing clicker information and set grading options.').'</th>'.
                   9074:              &Apache::loncommon::end_data_table_header_row().
                   9075:              &Apache::loncommon::start_data_table_row()."<td>\n";
1.413     www      9076: # Attempt to restore parameters from last session, set defaults if not present
                   9077:     my %Saveable_Parameters=&clicker_grading_parameters();
                   9078:     &Apache::loncommon::restore_course_settings('grades_clicker',
                   9079:                                                  \%Saveable_Parameters);
                   9080:     if (!$env{'form.pcorrect'}) { $env{'form.pcorrect'}=100; }
                   9081:     if (!$env{'form.pincorrect'}) { $env{'form.pincorrect'}=100; }
                   9082:     if (!$env{'form.gradingmechanism'}) { $env{'form.gradingmechanism'}='attendance'; }
                   9083:     if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; }
                   9084: 
                   9085:     my %checked;
1.521     www      9086:     foreach my $gradingmechanism ('attendance','personnel','specific','given') {
1.413     www      9087:        if ($env{'form.gradingmechanism'} eq $gradingmechanism) {
1.569     bisitz   9088:           $checked{$gradingmechanism}=' checked="checked"';
1.413     www      9089:        }
                   9090:     }
                   9091: 
1.632     www      9092:     my $upload=&mt("Evaluate File");
1.400     www      9093:     my $type=&mt("Type");
1.402     www      9094:     my $attendance=&mt("Award points just for participation");
                   9095:     my $personnel=&mt("Correctness determined from response by course personnel");
1.414     www      9096:     my $specific=&mt("Correctness determined from response with clicker ID(s)"); 
1.521     www      9097:     my $given=&mt("Correctness determined from given list of answers").' '.
                   9098:               '<font size="-2"><tt>('.&mt("Provide comma-separated list. Use '*' for any answer correct, '-' for skip").')</tt></font>';
1.402     www      9099:     my $pcorrect=&mt("Percentage points for correct solution");
                   9100:     my $pincorrect=&mt("Percentage points for incorrect solution");
1.413     www      9101:     my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
1.635     raeburn  9102: 						   {'iclicker' => 'i>clicker',
1.666     www      9103:                                                     'interwrite' => 'interwrite PRS',
                   9104:                                                     'turning' => 'Turning Technologies'});
1.418     albertel 9105:     $symb = &Apache::lonenc::check_encrypt($symb);
1.597     wenzelju 9106:     $result.= &Apache::lonhtmlcommon::scripttag(<<ENDUPFORM);
1.402     www      9107: function sanitycheck() {
                   9108: // Accept only integer percentages
                   9109:    document.forms.gradesupload.pcorrect.value=Math.round(document.forms.gradesupload.pcorrect.value);
                   9110:    document.forms.gradesupload.pincorrect.value=Math.round(document.forms.gradesupload.pincorrect.value);
                   9111: // Find out grading choice
                   9112:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   9113:       if (document.forms.gradesupload.gradingmechanism[i].checked) {
                   9114:          gradingchoice=document.forms.gradesupload.gradingmechanism[i].value;
                   9115:       }
                   9116:    }
                   9117: // By default, new choice equals user selection
                   9118:    newgradingchoice=gradingchoice;
                   9119: // Not good to give more points for false answers than correct ones
                   9120:    if (Math.round(document.forms.gradesupload.pcorrect.value)<Math.round(document.forms.gradesupload.pincorrect.value)) {
                   9121:       document.forms.gradesupload.pcorrect.value=document.forms.gradesupload.pincorrect.value;
                   9122:    }
                   9123: // If new choice is attendance only, and old choice was correctness-based, restore defaults
                   9124:    if ((gradingchoice=='attendance') && (document.forms.gradesupload.waschecked.value!='attendance')) {
                   9125:       document.forms.gradesupload.pcorrect.value=100;
                   9126:       document.forms.gradesupload.pincorrect.value=100;
                   9127:    }
                   9128: // If the values are different, cannot be attendance only
                   9129:    if ((Math.round(document.forms.gradesupload.pcorrect.value)!=Math.round(document.forms.gradesupload.pincorrect.value)) &&
                   9130:        (gradingchoice=='attendance')) {
                   9131:        newgradingchoice='personnel';
                   9132:    }
                   9133: // Change grading choice to new one
                   9134:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   9135:       if (document.forms.gradesupload.gradingmechanism[i].value==newgradingchoice) {
                   9136:          document.forms.gradesupload.gradingmechanism[i].checked=true;
                   9137:       } else {
                   9138:          document.forms.gradesupload.gradingmechanism[i].checked=false;
                   9139:       }
                   9140:    }
                   9141: // Remember the old state
                   9142:    document.forms.gradesupload.waschecked.value=newgradingchoice;
                   9143: }
1.597     wenzelju 9144: ENDUPFORM
                   9145:     $result.= <<ENDUPFORM;
1.400     www      9146: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                   9147: <input type="hidden" name="symb" value="$symb" />
                   9148: <input type="hidden" name="command" value="processclickerfile" />
                   9149: <input type="file" name="upfile" size="50" />
                   9150: <br /><label>$type: $selectform</label>
1.632     www      9151: ENDUPFORM
                   9152:     $result.='</td>'.&Apache::loncommon::end_data_table_row().
                   9153:                      &Apache::loncommon::start_data_table_row().'<td>'.(<<ENDGRADINGFORM);
                   9154:       <label><input type="radio" name="gradingmechanism" value="attendance"$checked{'attendance'} onclick="sanitycheck()" />$attendance </label>
1.589     bisitz   9155: <br /><label><input type="radio" name="gradingmechanism" value="personnel"$checked{'personnel'} onclick="sanitycheck()" />$personnel</label>
                   9156: <br /><label><input type="radio" name="gradingmechanism" value="specific"$checked{'specific'} onclick="sanitycheck()" />$specific </label>
1.414     www      9157: <input type="text" name="specificid" value="$env{'form.specificid'}" size="20" />
1.589     bisitz   9158: <br /><label><input type="radio" name="gradingmechanism" value="given"$checked{'given'} onclick="sanitycheck()" />$given </label>
1.521     www      9159: <br />&nbsp;&nbsp;&nbsp;
                   9160: <input type="text" name="givenanswer" size="50" />
1.413     www      9161: <input type="hidden" name="waschecked" value="$env{'form.gradingmechanism'}" />
1.632     www      9162: ENDGRADINGFORM
                   9163:          $result.='</td>'.&Apache::loncommon::end_data_table_row().
                   9164:                      &Apache::loncommon::start_data_table_row().'<td>'.(<<ENDPERCFORM);
                   9165:       <label>$pcorrect: <input type="text" name="pcorrect" size="4" value="$env{'form.pcorrect'}" onchange="sanitycheck()" /></label>
1.589     bisitz   9166: <br /><label>$pincorrect: <input type="text" name="pincorrect" size="4" value="$env{'form.pincorrect'}" onchange="sanitycheck()" /></label>
                   9167: <br /><input type="button" onclick="javascript:checkUpload(this.form);" value="$upload" />
1.597     wenzelju 9168: </form>'
1.632     www      9169: ENDPERCFORM
                   9170:     $result.='</td>'.
                   9171:              &Apache::loncommon::end_data_table_row().
                   9172:              &Apache::loncommon::end_data_table();
1.400     www      9173:     return $result;
                   9174: }
                   9175: 
                   9176: sub process_clicker_file {
1.608     www      9177:     my ($r,$symb)=@_;
1.400     www      9178:     if (!$symb) {return '';}
1.413     www      9179: 
                   9180:     my %Saveable_Parameters=&clicker_grading_parameters();
                   9181:     &Apache::loncommon::store_course_settings('grades_clicker',
                   9182:                                               \%Saveable_Parameters);
1.598     www      9183:     my $result='';
1.404     www      9184:     if (($env{'form.gradingmechanism'} eq 'specific') && ($env{'form.specificid'}!~/\w/)) {
1.408     albertel 9185: 	$result.='<span class="LC_error">'.&mt('You need to specify a clicker ID for the correct answer').'</span>';
1.614     www      9186: 	return $result;
1.404     www      9187:     }
1.522     www      9188:     if (($env{'form.gradingmechanism'} eq 'given') && ($env{'form.givenanswer'}!~/\S/)) {
1.521     www      9189:         $result.='<span class="LC_error">'.&mt('You need to specify the correct answer').'</span>';
1.614     www      9190:         return $result;
1.521     www      9191:     }
1.522     www      9192:     my $foundgiven=0;
1.521     www      9193:     if ($env{'form.gradingmechanism'} eq 'given') {
                   9194:         $env{'form.givenanswer'}=~s/^\s*//gs;
                   9195:         $env{'form.givenanswer'}=~s/\s*$//gs;
1.644     www      9196:         $env{'form.givenanswer'}=~s/[^a-zA-Z0-9\.\*\-\+]+/\,/g;
1.521     www      9197:         $env{'form.givenanswer'}=uc($env{'form.givenanswer'});
1.522     www      9198:         my @answers=split(/\,/,$env{'form.givenanswer'});
                   9199:         $foundgiven=$#answers+1;
1.521     www      9200:     }
1.407     albertel 9201:     my %clicker_ids=&gather_clicker_ids();
1.408     albertel 9202:     my %correct_ids;
1.404     www      9203:     if ($env{'form.gradingmechanism'} eq 'personnel') {
1.408     albertel 9204: 	%correct_ids=&gather_adv_clicker_ids();
1.404     www      9205:     }
                   9206:     if ($env{'form.gradingmechanism'} eq 'specific') {
1.414     www      9207: 	foreach my $correct_id (split(/[\s\,]/,$env{'form.specificid'})) {;
                   9208: 	   $correct_id=~tr/a-z/A-Z/;
                   9209: 	   $correct_id=~s/\s//gs;
                   9210: 	   $correct_id=~s/^[\#0]+//;
1.421     www      9211:            $correct_id=~s/[\-\:]//g;
1.414     www      9212:            if ($correct_id) {
                   9213: 	      $correct_ids{$correct_id}='specified';
                   9214:            }
                   9215:         }
1.400     www      9216:     }
1.404     www      9217:     if ($env{'form.gradingmechanism'} eq 'attendance') {
1.408     albertel 9218: 	$result.=&mt('Score based on attendance only');
1.521     www      9219:     } elsif ($env{'form.gradingmechanism'} eq 'given') {
1.522     www      9220:         $result.=&mt('Score based on [_1] ([_2] answers)','<tt>'.$env{'form.givenanswer'}.'</tt>',$foundgiven);
1.404     www      9221:     } else {
1.408     albertel 9222: 	my $number=0;
1.411     www      9223: 	$result.='<p><b>'.&mt('Correctness determined by the following IDs').'</b>';
1.408     albertel 9224: 	foreach my $id (sort(keys(%correct_ids))) {
1.411     www      9225: 	    $result.='<br /><tt>'.$id.'</tt> - ';
1.408     albertel 9226: 	    if ($correct_ids{$id} eq 'specified') {
                   9227: 		$result.=&mt('specified');
                   9228: 	    } else {
                   9229: 		my ($uname,$udom)=split(/\:/,$correct_ids{$id});
                   9230: 		$result.=&Apache::loncommon::plainname($uname,$udom);
                   9231: 	    }
                   9232: 	    $number++;
                   9233: 	}
1.411     www      9234:         $result.="</p>\n";
1.408     albertel 9235: 	if ($number==0) {
                   9236: 	    $result.='<span class="LC_error">'.&mt('No IDs found to determine correct answer').'</span>';
1.614     www      9237: 	    return $result;
1.408     albertel 9238: 	}
1.404     www      9239:     }
1.405     www      9240:     if (length($env{'form.upfile'}) < 2) {
1.407     albertel 9241:         $result.=&mt('[_1] Error: [_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.',
                   9242: 		     '<span class="LC_error">',
                   9243: 		     '</span>',
                   9244: 		     '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>');
1.614     www      9245:         return $result;
1.405     www      9246:     }
1.410     www      9247: 
                   9248: # Were able to get all the info needed, now analyze the file
                   9249: 
1.411     www      9250:     $result.=&Apache::loncommon::studentbrowser_javascript();
1.418     albertel 9251:     $symb = &Apache::lonenc::check_encrypt($symb);
1.632     www      9252:     $result.=&Apache::loncommon::start_data_table().
                   9253:              &Apache::loncommon::start_data_table_header_row().
                   9254:              '<th>'.&mt('Evaluate clicker file').'</th>'.
                   9255:              &Apache::loncommon::end_data_table_header_row().
                   9256:              &Apache::loncommon::start_data_table_row().(<<ENDHEADER);
                   9257: <td>
1.410     www      9258: <form method="post" action="/adm/grades" name="clickeranalysis">
                   9259: <input type="hidden" name="symb" value="$symb" />
                   9260: <input type="hidden" name="command" value="assignclickergrades" />
1.411     www      9261: <input type="hidden" name="gradingmechanism" value="$env{'form.gradingmechanism'}" />
                   9262: <input type="hidden" name="pcorrect" value="$env{'form.pcorrect'}" />
                   9263: <input type="hidden" name="pincorrect" value="$env{'form.pincorrect'}" />
1.410     www      9264: ENDHEADER
1.522     www      9265:     if ($env{'form.gradingmechanism'} eq 'given') {
                   9266:        $result.='<input type="hidden" name="correct:given" value="'.$env{'form.givenanswer'}.'" />';
                   9267:     } 
1.408     albertel 9268:     my %responses;
                   9269:     my @questiontitles;
1.405     www      9270:     my $errormsg='';
                   9271:     my $number=0;
                   9272:     if ($env{'form.upfiletype'} eq 'iclicker') {
1.408     albertel 9273: 	($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses);
1.406     www      9274:     }
1.419     www      9275:     if ($env{'form.upfiletype'} eq 'interwrite') {
                   9276:         ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses);
                   9277:     }
1.666     www      9278:     if ($env{'form.upfiletype'} eq 'turning') {
                   9279:         ($errormsg,$number)=&turning_eval(\@questiontitles,\%responses);
                   9280:     }
1.411     www      9281:     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
                   9282:              '<input type="hidden" name="number" value="'.$number.'" />'.
                   9283:              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
                   9284:                  $env{'form.pcorrect'},$env{'form.pincorrect'}).
                   9285:              '<br />';
1.522     www      9286:     if (($env{'form.gradingmechanism'} eq 'given') && ($number!=$foundgiven)) {
                   9287:        $result.='<span class="LC_error">'.&mt('Number of given answers does not agree with number of questions in file.').'</span>';
1.614     www      9288:        return $result;
1.522     www      9289:     } 
1.414     www      9290: # Remember Question Titles
                   9291: # FIXME: Possibly need delimiter other than ":"
                   9292:     for (my $i=0;$i<$number;$i++) {
                   9293:         $result.='<input type="hidden" name="question:'.$i.'" value="'.
                   9294:                  &HTML::Entities::encode($questiontitles[$i],'"&<>').'" />';
                   9295:     }
1.411     www      9296:     my $correct_count=0;
                   9297:     my $student_count=0;
                   9298:     my $unknown_count=0;
1.414     www      9299: # Match answers with usernames
                   9300: # FIXME: Possibly need delimiter other than ":"
1.409     albertel 9301:     foreach my $id (keys(%responses)) {
1.410     www      9302:        if ($correct_ids{$id}) {
1.414     www      9303:           $result.="\n".'<input type="hidden" name="correct:'.$correct_count.':'.$correct_ids{$id}.'" value="'.$responses{$id}.'" />';
1.411     www      9304:           $correct_count++;
1.410     www      9305:        } elsif ($clicker_ids{$id}) {
1.437     www      9306:           if ($clicker_ids{$id}=~/\,/) {
                   9307: # More than one user with the same clicker!
1.632     www      9308:              $result.="</td>".&Apache::loncommon::end_data_table_row().
                   9309:                            &Apache::loncommon::start_data_table_row()."<td>".
                   9310:                        &mt('Clicker registered more than once').": <tt>".$id."</tt><br />";
1.437     www      9311:              $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
                   9312:                            "<select name='multi".$id."'>";
                   9313:              foreach my $reguser (sort(split(/\,/,$clicker_ids{$id}))) {
                   9314:                  $result.="<option value='".$reguser."'>".&Apache::loncommon::plainname(split(/\:/,$reguser)).' ('.$reguser.')</option>';
                   9315:              }
                   9316:              $result.='</select>';
                   9317:              $unknown_count++;
                   9318:           } else {
                   9319: # Good: found one and only one user with the right clicker
                   9320:              $result.="\n".'<input type="hidden" name="student:'.$clicker_ids{$id}.'" value="'.$responses{$id}.'" />';
                   9321:              $student_count++;
                   9322:           }
1.410     www      9323:        } else {
1.632     www      9324:           $result.="</td>".&Apache::loncommon::end_data_table_row().
                   9325:                            &Apache::loncommon::start_data_table_row()."<td>".
                   9326:                     &mt('Unregistered Clicker')." <tt>".$id."</tt><br />";
1.411     www      9327:           $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
                   9328:                    "\n".&mt("Username").": <input type='text' name='uname".$id."' />&nbsp;".
                   9329:                    "\n".&mt("Domain").": ".
                   9330:                    &Apache::loncommon::select_dom_form($env{'course.'.$env{'request.course.id'}.'.domain'},'udom'.$id).'&nbsp;'.
1.643     www      9331:                    &Apache::loncommon::selectstudent_link('clickeranalysis','uname'.$id,'udom'.$id,0,$id);
1.411     www      9332:           $unknown_count++;
1.410     www      9333:        }
1.405     www      9334:     }
1.412     www      9335:     $result.='<hr />'.
                   9336:              &mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count);
1.521     www      9337:     if (($env{'form.gradingmechanism'} ne 'attendance') && ($env{'form.gradingmechanism'} ne 'given')) {
1.412     www      9338:        if ($correct_count==0) {
                   9339:           $errormsg.="Found no correct answers answers for grading!";
                   9340:        } elsif ($correct_count>1) {
1.414     www      9341:           $result.='<br /><span class="LC_warning">'.&mt("Found [_1] entries for grading!",$correct_count).'</span>';
1.412     www      9342:        }
                   9343:     }
1.428     www      9344:     if ($number<1) {
                   9345:        $errormsg.="Found no questions.";
                   9346:     }
1.412     www      9347:     if ($errormsg) {
                   9348:        $result.='<br /><span class="LC_error">'.&mt($errormsg).'</span>';
                   9349:     } else {
                   9350:        $result.='<br /><input type="submit" name="finalize" value="'.&mt('Finalize Grading').'" />';
                   9351:     }
1.632     www      9352:     $result.='</form></td>'.
                   9353:              &Apache::loncommon::end_data_table_row().
                   9354:              &Apache::loncommon::end_data_table();
1.614     www      9355:     return $result;
1.400     www      9356: }
                   9357: 
1.405     www      9358: sub iclicker_eval {
1.406     www      9359:     my ($questiontitles,$responses)=@_;
1.405     www      9360:     my $number=0;
                   9361:     my $errormsg='';
                   9362:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
1.410     www      9363:         my %components=&Apache::loncommon::record_sep($line);
                   9364:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.408     albertel 9365: 	if ($entries[0] eq 'Question') {
                   9366: 	    for (my $i=3;$i<$#entries;$i+=6) {
                   9367: 		$$questiontitles[$number]=$entries[$i];
                   9368: 		$number++;
                   9369: 	    }
                   9370: 	}
                   9371: 	if ($entries[0]=~/^\#/) {
                   9372: 	    my $id=$entries[0];
                   9373: 	    my @idresponses;
                   9374: 	    $id=~s/^[\#0]+//;
                   9375: 	    for (my $i=0;$i<$number;$i++) {
                   9376: 		my $idx=3+$i*6;
1.644     www      9377:                 $entries[$idx]=~s/[^a-zA-Z0-9\.\*\-\+]+//g;
1.408     albertel 9378: 		push(@idresponses,$entries[$idx]);
                   9379: 	    }
                   9380: 	    $$responses{$id}=join(',',@idresponses);
                   9381: 	}
1.405     www      9382:     }
                   9383:     return ($errormsg,$number);
                   9384: }
                   9385: 
1.419     www      9386: sub interwrite_eval {
                   9387:     my ($questiontitles,$responses)=@_;
                   9388:     my $number=0;
                   9389:     my $errormsg='';
1.420     www      9390:     my $skipline=1;
                   9391:     my $questionnumber=0;
                   9392:     my %idresponses=();
1.419     www      9393:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
                   9394:         my %components=&Apache::loncommon::record_sep($line);
                   9395:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.420     www      9396:         if ($entries[1] eq 'Time') { $skipline=0; next; }
                   9397:         if ($entries[1] eq 'Response') { $skipline=1; }
                   9398:         next if $skipline;
                   9399:         if ($entries[0]!=$questionnumber) {
                   9400:            $questionnumber=$entries[0];
                   9401:            $$questiontitles[$number]=&mt('Question [_1]',$questionnumber);
                   9402:            $number++;
1.419     www      9403:         }
1.420     www      9404:         my $id=$entries[4];
                   9405:         $id=~s/^[\#0]+//;
1.421     www      9406:         $id=~s/^v\d*\://i;
                   9407:         $id=~s/[\-\:]//g;
1.420     www      9408:         $idresponses{$id}[$number]=$entries[6];
                   9409:     }
1.524     raeburn  9410:     foreach my $id (keys(%idresponses)) {
1.420     www      9411:        $$responses{$id}=join(',',@{$idresponses{$id}});
                   9412:        $$responses{$id}=~s/^\s*\,//;
1.419     www      9413:     }
                   9414:     return ($errormsg,$number);
                   9415: }
                   9416: 
1.666     www      9417: sub turning_eval {
                   9418:     my ($questiontitles,$responses)=@_;
                   9419:     my $number=0;
                   9420:     my $errormsg='';
                   9421:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
                   9422:         my %components=&Apache::loncommon::record_sep($line);
                   9423:         my @entries=map {$components{$_}} (sort(keys(%components)));
                   9424:         if ($#entries>$number) { $number=$#entries; }
                   9425:         my $id=$entries[0];
                   9426:         my @idresponses;
                   9427:         $id=~s/^[\#0]+//;
                   9428:         unless ($id) { next; }
                   9429:         for (my $idx=1;$idx<=$#entries;$idx++) {
                   9430:             $entries[$idx]=~s/\,/\;/g;
                   9431:             $entries[$idx]=~s/[^a-zA-Z0-9\.\*\-\+\;]+//g;
                   9432:             push(@idresponses,$entries[$idx]);
                   9433:         }
                   9434:         $$responses{$id}=join(',',@idresponses);
                   9435:     }
                   9436:     for (my $i=1; $i<=$number; $i++) {
                   9437:         $$questiontitles[$i]=&mt('Question [_1]',$i);
                   9438:     }
                   9439:     return ($errormsg,$number);
                   9440: }
                   9441: 
                   9442: 
1.414     www      9443: sub assign_clicker_grades {
1.608     www      9444:     my ($r,$symb)=@_;
1.414     www      9445:     if (!$symb) {return '';}
1.416     www      9446: # See which part we are saving to
1.582     raeburn  9447:     my $res_error;
                   9448:     my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
                   9449:     if ($res_error) {
                   9450:         return &navmap_errormsg();
                   9451:     }
1.416     www      9452: # FIXME: This should probably look for the first handgradeable part
                   9453:     my $part=$$partlist[0];
                   9454: # Start screen output
1.632     www      9455:     my $result=&Apache::loncommon::start_data_table().
                   9456:              &Apache::loncommon::start_data_table_header_row().
                   9457:              '<th>'.&mt('Assigning grades based on clicker file').'</th>'.
                   9458:              &Apache::loncommon::end_data_table_header_row().
                   9459:              &Apache::loncommon::start_data_table_row().'<td>';
1.414     www      9460: # Get correct result
                   9461: # FIXME: Possibly need delimiter other than ":"
                   9462:     my @correct=();
1.415     www      9463:     my $gradingmechanism=$env{'form.gradingmechanism'};
                   9464:     my $number=$env{'form.number'};
                   9465:     if ($gradingmechanism ne 'attendance') {
1.414     www      9466:        foreach my $key (keys(%env)) {
                   9467:           if ($key=~/^form\.correct\:/) {
                   9468:              my @input=split(/\,/,$env{$key});
                   9469:              for (my $i=0;$i<=$#input;$i++) {
                   9470:                  if (($correct[$i]) && ($input[$i]) &&
                   9471:                      ($correct[$i] ne $input[$i])) {
                   9472:                     $result.='<br /><span class="LC_warning">'.
                   9473:                              &mt('More than one correct result given for question "[_1]": [_2] versus [_3].',
                   9474:                                  $env{'form.question:'.$i},$correct[$i],$input[$i]).'</span>';
1.644     www      9475:                  } elsif (($input[$i]) || ($input[$i] eq '0')) {
1.414     www      9476:                     $correct[$i]=$input[$i];
                   9477:                  }
                   9478:              }
                   9479:           }
                   9480:        }
1.415     www      9481:        for (my $i=0;$i<$number;$i++) {
1.644     www      9482:           if ((!$correct[$i]) && ($correct[$i] ne '0')) {
1.414     www      9483:              $result.='<br /><span class="LC_error">'.
                   9484:                       &mt('No correct result given for question "[_1]"!',
                   9485:                           $env{'form.question:'.$i}).'</span>';
                   9486:           }
                   9487:        }
1.644     www      9488:        $result.='<br />'.&mt("Correct answer: [_1]",join(', ',map { ((($_) || ($_ eq '0'))?$_:'-') } @correct));
1.414     www      9489:     }
                   9490: # Start grading
1.415     www      9491:     my $pcorrect=$env{'form.pcorrect'};
                   9492:     my $pincorrect=$env{'form.pincorrect'};
1.416     www      9493:     my $storecount=0;
1.632     www      9494:     my %users=();
1.415     www      9495:     foreach my $key (keys(%env)) {
1.420     www      9496:        my $user='';
1.415     www      9497:        if ($key=~/^form\.student\:(.*)$/) {
1.420     www      9498:           $user=$1;
                   9499:        }
                   9500:        if ($key=~/^form\.unknown\:(.*)$/) {
                   9501:           my $id=$1;
                   9502:           if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) {
                   9503:              $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id};
1.437     www      9504:           } elsif ($env{'form.multi'.$id}) {
                   9505:              $user=$env{'form.multi'.$id};
1.420     www      9506:           }
                   9507:        }
1.632     www      9508:        if ($user) {
                   9509:           if ($users{$user}) {
                   9510:              $result.='<br /><span class="LC_warning">'.
                   9511:                       &mt("More than one entry found for <tt>[_1]</tt>!",$user).
                   9512:                       '</span><br />';
                   9513:           }
                   9514:           $users{$user}=1; 
1.415     www      9515:           my @answer=split(/\,/,$env{$key});
                   9516:           my $sum=0;
1.522     www      9517:           my $realnumber=$number;
1.415     www      9518:           for (my $i=0;$i<$number;$i++) {
1.576     www      9519:              if  ($correct[$i] eq '-') {
                   9520:                 $realnumber--;
1.644     www      9521:              } elsif (($answer[$i]) || ($answer[$i]=~/^[0\.]+$/))  {
1.415     www      9522:                 if ($gradingmechanism eq 'attendance') {
                   9523:                    $sum+=$pcorrect;
1.576     www      9524:                 } elsif ($correct[$i] eq '*') {
1.522     www      9525:                    $sum+=$pcorrect;
1.415     www      9526:                 } else {
1.644     www      9527: # We actually grade if correct or not
                   9528:                    my $increment=$pincorrect;
                   9529: # Special case: numerical answer "0"
                   9530:                    if ($correct[$i] eq '0') {
                   9531:                       if ($answer[$i]=~/^[0\.]+$/) {
                   9532:                          $increment=$pcorrect;
                   9533:                       }
                   9534: # General numerical answer, both evaluate to something non-zero
                   9535:                    } elsif ((1.0*$correct[$i]!=0) && (1.0*$answer[$i]!=0)) {
                   9536:                       if (1.0*$correct[$i]==1.0*$answer[$i]) {
                   9537:                          $increment=$pcorrect;
                   9538:                       }
                   9539: # Must be just alphanumeric
                   9540:                    } elsif ($answer[$i] eq $correct[$i]) {
                   9541:                       $increment=$pcorrect;
1.415     www      9542:                    }
1.644     www      9543:                    $sum+=$increment;
1.415     www      9544:                 }
                   9545:              }
                   9546:           }
1.522     www      9547:           my $ave=$sum/(100*$realnumber);
1.416     www      9548: # Store
                   9549:           my ($username,$domain)=split(/\:/,$user);
                   9550:           my %grades=();
                   9551:           $grades{"resource.$part.solved"}='correct_by_override';
                   9552:           $grades{"resource.$part.awarded"}=$ave;
                   9553:           $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
                   9554:           my $returncode=&Apache::lonnet::cstore(\%grades,$symb,
                   9555:                                                  $env{'request.course.id'},
                   9556:                                                  $domain,$username);
                   9557:           if ($returncode ne 'ok') {
                   9558:              $result.="<br /><span class=\"LC_error\">Failed to save student $username:$domain. Message when trying to save was ($returncode)</span>";
                   9559:           } else {
                   9560:              $storecount++;
                   9561:           }
1.415     www      9562:        }
                   9563:     }
                   9564: # We are done
1.549     hauer    9565:     $result.='<br />'.&mt('Successfully stored grades for [quant,_1,student].',$storecount).
1.632     www      9566:              '</td>'.
                   9567:              &Apache::loncommon::end_data_table_row().
                   9568:              &Apache::loncommon::end_data_table();
1.614     www      9569:     return $result;
1.414     www      9570: }
                   9571: 
1.582     raeburn  9572: sub navmap_errormsg {
                   9573:     return '<div class="LC_error">'.
                   9574:            &mt('An error occurred retrieving information about resources in the course.').'<br />'.
1.595     raeburn  9575:            &mt('It is recommended that you [_1]re-initialize the course[_2] and then return to this grading page.','<a href="/adm/roles?selectrole=1&newrole='.$env{'request.role'}.'">','</a>').
1.582     raeburn  9576:            '</div>';
                   9577: }
1.607     droeschl 9578: 
1.609     www      9579: sub startpage {
1.671   ! raeburn  9580:     my ($r,$symb,$crumbs,$onlyfolderflag,$nodisplayflag,$stuvcurrent,$stuvdisp,$nomenu,$js) = @_;
        !          9581:     if ($nomenu) {
        !          9582:         $r->print(&Apache::loncommon::start_page("Student's Version",$js,{'only_body' => '1'}));
        !          9583:     } else {
        !          9584:         unshift(@$crumbs,{href=>&href_symb_cmd($symb,'gradingmenu'),text=>"Grading"});
        !          9585:         $r->print(&Apache::loncommon::start_page('Grading',$js,
        !          9586:                                                  {'bread_crumbs' => $crumbs}));
        !          9587:         &Apache::lonquickgrades::startGradeScreen($r,($env{'form.symb'}?'probgrading':'grading'));
        !          9588:     }
1.613     www      9589:     unless ($nodisplayflag) {
1.671   ! raeburn  9590:        $r->print(&Apache::lonhtmlcommon::resource_info_box($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp));
1.613     www      9591:     }
1.607     droeschl 9592: }
1.582     raeburn  9593: 
1.622     www      9594: sub select_problem {
                   9595:     my ($r)=@_;
1.632     www      9596:     $r->print('<h3>'.&mt('Select the problem or one of the problems you want to grade').'</h3><form action="/adm/grades">');
1.622     www      9597:     $r->print(&Apache::lonstathelpers::problem_selector('.',undef,1));
                   9598:     $r->print('<input type="hidden" name="command" value="gradingmenu" />');
                   9599:     $r->print('<input type="submit" value="'.&mt('Next').' &rarr;" /></form>');
                   9600: }
                   9601: 
1.1       albertel 9602: sub handler {
1.41      ng       9603:     my $request=$_[0];
1.434     albertel 9604:     &reset_caches();
1.646     raeburn  9605:     if ($request->header_only) {
                   9606:         &Apache::loncommon::content_type($request,'text/html');
                   9607:         $request->send_http_header;
                   9608:         return OK;
                   9609:     }
                   9610:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
                   9611: 
1.664     raeburn  9612: # see what command we need to execute
                   9613: 
                   9614:     my @commands=&Apache::loncommon::get_env_multiple('form.command');
                   9615:     my $command=$commands[0];
                   9616: 
1.646     raeburn  9617:     &init_perm();
                   9618:     if (!$env{'request.course.id'}) {
1.664     raeburn  9619:         unless ((&Apache::lonnet::allowed('usc',$env{'request.role.domain'})) &&
                   9620:                 ($command =~ /^scantronupload/)) {
                   9621:             # Not in a course.
                   9622:             $env{'user.error.msg'}="/adm/grades::vgr:0:0:Cannot display grades page outside course context";
                   9623:             return HTTP_NOT_ACCEPTABLE;
                   9624:         }
1.646     raeburn  9625:     } elsif (!%perm) {
                   9626:         $request->internal_redirect('/adm/quickgrades');
1.41      ng       9627:     }
1.646     raeburn  9628:     &Apache::loncommon::content_type($request,'text/html');
1.41      ng       9629:     $request->send_http_header;
1.646     raeburn  9630: 
1.160     albertel 9631:     if ($#commands > 0) {
                   9632: 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
                   9633:     }
1.608     www      9634: 
                   9635: # see what the symb is
                   9636: 
                   9637:     my $symb=$env{'form.symb'};
                   9638:     unless ($symb) {
                   9639:        (my $url=$env{'form.url'}) =~ s-^https*://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                   9640:        $symb=&Apache::lonnet::symbread($url);
                   9641:     }
1.646     raeburn  9642:     &Apache::lonenc::check_decrypt(\$symb);
1.608     www      9643: 
1.513     foxr     9644:     $ssi_error = 0;
1.637     www      9645:     if (($symb eq '' || $command eq '') && ($env{'request.course.id'})) {
1.601     www      9646: #
1.637     www      9647: # Not called from a resource, but inside a course
1.601     www      9648: #    
1.622     www      9649:         &startpage($request,undef,[],1,1);
                   9650:         &select_problem($request);
1.41      ng       9651:     } else {
1.104     albertel 9652: 	if ($command eq 'submission' && $perm{'vgr'}) {
1.671   ! raeburn  9653:             my ($stuvcurrent,$stuvdisp,$versionform,$js);
        !          9654:             if (($env{'form.student'} ne '') && ($env{'form.userdom'} ne '')) {
        !          9655:                 ($stuvcurrent,$stuvdisp,$versionform,$js) =
        !          9656:                     &choose_task_version_form($symb,$env{'form.student'},
        !          9657:                                               $env{'form.userdom'});
        !          9658:             }
        !          9659:             &startpage($request,$symb,[{href=>"", text=>"Student Submissions"}],undef,undef,$stuvcurrent,$stuvdisp,undef,$js);
        !          9660:             if ($versionform) {
        !          9661:                 $request->print($versionform);
        !          9662:             }
        !          9663:             $request->print('<br clear="all" />');
1.611     www      9664: 	    ($env{'form.student'} eq '' ? &listStudents($request,$symb) : &submission($request,0,0,$symb));
1.671   ! raeburn  9665:         } elsif ($command eq 'versionsub' && $perm{'vgr'}) {
        !          9666:             my ($stuvcurrent,$stuvdisp,$versionform,$js) =
        !          9667:                 &choose_task_version_form($symb,$env{'form.student'},
        !          9668:                                           $env{'form.userdom'},
        !          9669:                                           $env{'form.inhibitmenu'});
        !          9670:             &startpage($request,$symb,[{href=>"", text=>"Previous Student Version"}],undef,undef,$stuvcurrent,$stuvdisp,$env{'form.inhibitmenu'},$js);
        !          9671:             if ($versionform) {
        !          9672:                 $request->print($versionform);
        !          9673:             }
        !          9674:             $request->print('<br clear="all" />');
        !          9675:             $request->print(&show_previous_task_version($request,$symb));
1.103     albertel 9676: 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
1.615     www      9677:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,'all_for_one'),text=>'Grade page/folder for one student'},
                   9678:                                        {href=>'',text=>'Select student'}],1,1);
1.608     www      9679: 	    &pickStudentPage($request,$symb);
1.103     albertel 9680: 	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
1.615     www      9681:             &startpage($request,$symb,
                   9682:                                       [{href=>&href_symb_cmd($symb,'all_for_one'),text=>'Grade page/folder for one student'},
                   9683:                                        {href=>'',text=>'Select student'},
                   9684:                                        {href=>'',text=>'Grade student'}],1,1);
1.608     www      9685: 	    &displayPage($request,$symb);
1.104     albertel 9686: 	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
1.616     www      9687:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,'all_for_one'),text=>'Grade page/folder for one student'},
                   9688:                                        {href=>'',text=>'Select student'},
                   9689:                                        {href=>'',text=>'Grade student'},
                   9690:                                        {href=>'',text=>'Store grades'}],1,1);
1.608     www      9691: 	    &updateGradeByPage($request,$symb);
1.104     albertel 9692: 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
1.619     www      9693:             &startpage($request,$symb,[{href=>'',text=>'...'},
                   9694:                                        {href=>'',text=>'Modify grades'}]);
1.608     www      9695: 	    &processGroup($request,$symb);
1.104     albertel 9696: 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
1.608     www      9697:             &startpage($request,$symb);
                   9698: 	    $request->print(&grading_menu($request,$symb));
1.598     www      9699: 	} elsif ($command eq 'individual' && $perm{'vgr'}) {
1.617     www      9700:             &startpage($request,$symb,[{href=>'',text=>'Select individual students to grade'}]);
1.608     www      9701: 	    $request->print(&submit_options($request,$symb));
1.598     www      9702:         } elsif ($command eq 'ungraded' && $perm{'vgr'}) {
1.617     www      9703:             &startpage($request,$symb,[{href=>'',text=>'Grade ungraded submissions'}]);
                   9704:             $request->print(&listStudents($request,$symb,'graded'));
1.598     www      9705:         } elsif ($command eq 'table' && $perm{'vgr'}) {
1.614     www      9706:             &startpage($request,$symb,[{href=>"", text=>"Grading table"}]);
1.611     www      9707:             $request->print(&submit_options_table($request,$symb));
1.598     www      9708:         } elsif ($command eq 'all_for_one' && $perm{'vgr'}) {
1.615     www      9709:             &startpage($request,$symb,[{href=>'',text=>'Grade page/folder for one student'}],1,1);
1.608     www      9710:             $request->print(&submit_options_sequence($request,$symb));
1.104     albertel 9711: 	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
1.614     www      9712:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,"table"), text=>"Grading table"},{href=>'', text=>"Modify grades"}]);
1.608     www      9713: 	    $request->print(&viewgrades($request,$symb));
1.104     albertel 9714: 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
1.620     www      9715:             &startpage($request,$symb,[{href=>'',text=>'...'},
                   9716:                                        {href=>'',text=>'Store grades'}]);
1.608     www      9717: 	    $request->print(&processHandGrade($request,$symb));
1.106     albertel 9718: 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
1.614     www      9719:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,"table"), text=>"Grading table"},
                   9720:                                        {href=>&href_symb_cmd($symb,'viewgrades').'&group=all&section=all&Status=Active',
                   9721:                                                                              text=>"Modify grades"},
                   9722:                                        {href=>'', text=>"Store grades"}]);
1.608     www      9723: 	    $request->print(&editgrades($request,$symb));
1.602     www      9724:         } elsif ($command eq 'initialverifyreceipt' && $perm{'vgr'}) {
1.616     www      9725:             &startpage($request,$symb,[{href=>'',text=>'Verify Receipt Number'}]);
1.611     www      9726:             $request->print(&initialverifyreceipt($request,$symb));
1.106     albertel 9727: 	} elsif ($command eq 'verify' && $perm{'vgr'}) {
1.616     www      9728:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,"initialverifyreceipt"),text=>'Verify Receipt Number'},
                   9729:                                        {href=>'',text=>'Verification Result'}]);
1.608     www      9730: 	    $request->print(&verifyreceipt($request,$symb));
1.400     www      9731:         } elsif ($command eq 'processclicker' && $perm{'mgr'}) {
1.615     www      9732:             &startpage($request,$symb,[{href=>'', text=>'Process clicker'}]);
1.608     www      9733:             $request->print(&process_clicker($request,$symb));
1.400     www      9734:         } elsif ($command eq 'processclickerfile' && $perm{'mgr'}) {
1.615     www      9735:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,'processclicker'), text=>'Process clicker'},
                   9736:                                        {href=>'', text=>'Process clicker file'}]);
1.608     www      9737:             $request->print(&process_clicker_file($request,$symb));
1.414     www      9738:         } elsif ($command eq 'assignclickergrades' && $perm{'mgr'}) {
1.615     www      9739:             &startpage($request,$symb,[{href=>&href_symb_cmd($symb,'processclicker'), text=>'Process clicker'},
                   9740:                                        {href=>'', text=>'Process clicker file'},
                   9741:                                        {href=>'', text=>'Store grades'}]);
1.608     www      9742:             $request->print(&assign_clicker_grades($request,$symb));
1.106     albertel 9743: 	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
1.627     www      9744:             &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9745: 	    $request->print(&upcsvScores_form($request,$symb));
1.106     albertel 9746: 	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
1.627     www      9747:             &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9748: 	    $request->print(&csvupload($request,$symb));
1.106     albertel 9749: 	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
1.627     www      9750:             &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9751: 	    $request->print(&csvuploadmap($request,$symb));
1.246     albertel 9752: 	} elsif ($command eq 'csvuploadoptions' && $perm{'mgr'}) {
1.257     albertel 9753: 	    if ($env{'form.associate'} ne 'Reverse Association') {
1.627     www      9754:                 &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9755: 		$request->print(&csvuploadoptions($request,$symb));
1.41      ng       9756: 	    } else {
1.257     albertel 9757: 		if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                   9758: 		    $env{'form.upfile_associate'} = 'reverse';
1.41      ng       9759: 		} else {
1.257     albertel 9760: 		    $env{'form.upfile_associate'} = 'forward';
1.41      ng       9761: 		}
1.627     www      9762:                 &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9763: 		$request->print(&csvuploadmap($request,$symb));
1.41      ng       9764: 	    }
1.246     albertel 9765: 	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'} ) {
1.627     www      9766:             &startpage($request,$symb,[{href=>'', text=>'Upload Scores'}],1,1);
1.608     www      9767: 	    $request->print(&csvuploadassign($request,$symb));
1.106     albertel 9768: 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
1.616     www      9769:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.612     www      9770: 	    $request->print(&scantron_selectphase($request,undef,$symb));
1.203     albertel 9771:  	} elsif ($command eq 'scantron_warning' && $perm{'mgr'}) {
1.616     www      9772:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9773:  	    $request->print(&scantron_do_warning($request,$symb));
1.142     albertel 9774: 	} elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
1.616     www      9775:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9776: 	    $request->print(&scantron_validate_file($request,$symb));
1.106     albertel 9777: 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
1.616     www      9778:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9779: 	    $request->print(&scantron_process_students($request,$symb));
1.157     albertel 9780:  	} elsif ($command eq 'scantronupload' && 
1.257     albertel 9781:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   9782: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.616     www      9783:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9784:  	    $request->print(&scantron_upload_scantron_data($request,$symb)); 
1.157     albertel 9785:  	} elsif ($command eq 'scantronupload_save' &&
1.257     albertel 9786:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   9787: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.616     www      9788:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9789:  	    $request->print(&scantron_upload_scantron_data_save($request,$symb));
1.202     albertel 9790:  	} elsif ($command eq 'scantron_download' &&
1.257     albertel 9791: 		 &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
1.616     www      9792:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.608     www      9793:  	    $request->print(&scantron_download_scantron_data($request,$symb));
1.523     raeburn  9794:         } elsif ($command eq 'checksubmissions' && $perm{'vgr'}) {
1.616     www      9795:             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
1.621     www      9796:             $request->print(&checkscantron_results($request,$symb));
                   9797:         } elsif ($command eq 'downloadfilesselect' && $perm{'vgr'}) {
                   9798:             &startpage($request,$symb,[{href=>'', text=>'Select which submissions to download'}]);
                   9799:             $request->print(&submit_options_download($request,$symb));
                   9800:          } elsif ($command eq 'downloadfileslink' && $perm{'vgr'}) {
                   9801:             &startpage($request,$symb,
                   9802:    [{href=>&href_symb_cmd($symb,'downloadfilesselect'), text=>'Select which submissions to download'},
                   9803:     {href=>'', text=>'Download submissions'}]);
                   9804:             &submit_download_link($request,$symb);
1.106     albertel 9805: 	} elsif ($command) {
1.620     www      9806:             &startpage($request,$symb,[{href=>'', text=>'Access denied'}]);
1.562     bisitz   9807: 	    $request->print('<p class="LC_error">'.&mt('Access Denied ([_1])',$command).'</p>');
1.26      albertel 9808: 	}
1.2       albertel 9809:     }
1.513     foxr     9810:     if ($ssi_error) {
                   9811: 	&ssi_print_error($request);
                   9812:     }
1.671   ! raeburn  9813:     if ($env{'form.inhibitmenu'}) {
        !          9814:         $request->print(&Apache::loncommon::end_page());
        !          9815:     } else {
        !          9816:         &Apache::lonquickgrades::endGradeScreen($request);
        !          9817:     }
1.434     albertel 9818:     &reset_caches();
1.646     raeburn  9819:     return OK;
1.44      ng       9820: }
                   9821: 
1.1       albertel 9822: 1;
                   9823: 
1.13      albertel 9824: __END__;
1.531     jms      9825: 
                   9826: 
                   9827: =head1 NAME
                   9828: 
                   9829: Apache::grades
                   9830: 
                   9831: =head1 SYNOPSIS
                   9832: 
                   9833: Handles the viewing of grades.
                   9834: 
                   9835: This is part of the LearningOnline Network with CAPA project
                   9836: described at http://www.lon-capa.org.
                   9837: 
                   9838: =head1 OVERVIEW
                   9839: 
                   9840: Do an ssi with retries:
                   9841: While I'd love to factor out this with the vesrion in lonprintout,
                   9842: that would either require a data coupling between modules, which I refuse to perpetuate (there's quite enough of that already), or would require the invention of another infrastructure
                   9843: I'm not quite ready to invent (e.g. an ssi_with_retry object).
                   9844: 
                   9845: At least the logic that drives this has been pulled out into loncommon.
                   9846: 
                   9847: 
                   9848: 
                   9849: ssi_with_retries - Does the server side include of a resource.
                   9850:                      if the ssi call returns an error we'll retry it up to
                   9851:                      the number of times requested by the caller.
                   9852:                      If we still have a proble, no text is appended to the
                   9853:                      output and we set some global variables.
                   9854:                      to indicate to the caller an SSI error occurred.  
                   9855:                      All of this is supposed to deal with the issues described
                   9856:                      in LonCAPA BZ 5631 see:
                   9857:                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                   9858:                      by informing the user that this happened.
                   9859: 
                   9860: Parameters:
                   9861:   resource   - The resource to include.  This is passed directly, without
                   9862:                interpretation to lonnet::ssi.
                   9863:   form       - The form hash parameters that guide the interpretation of the resource
                   9864:                
                   9865:   retries    - Number of retries allowed before giving up completely.
                   9866: Returns:
                   9867:   On success, returns the rendered resource identified by the resource parameter.
                   9868: Side Effects:
                   9869:   The following global variables can be set:
                   9870:    ssi_error                - If an unrecoverable error occurred this becomes true.
                   9871:                               It is up to the caller to initialize this to false
                   9872:                               if desired.
                   9873:    ssi_error_resource  - If an unrecoverable error occurred, this is the value
                   9874:                               of the resource that could not be rendered by the ssi
                   9875:                               call.
                   9876:    ssi_error_message   - The error string fetched from the ssi response
                   9877:                               in the event of an error.
                   9878: 
                   9879: 
                   9880: =head1 HANDLER SUBROUTINE
                   9881: 
                   9882: ssi_with_retries()
                   9883: 
                   9884: =head1 SUBROUTINES
                   9885: 
                   9886: =over
                   9887: 
1.671   ! raeburn  9888: =head1 Routines to display previous version of a Task for a specific student
        !          9889: 
        !          9890: Tasks are graded pass/fail. Students who have yet to pass a particular Task
        !          9891: can receive another opportunity. Access to tasks is slot-based. If a slot
        !          9892: requires a proctor to check-in the student, a new version of the Task will
        !          9893: be created when the student is checked in to the new opportunity.
        !          9894: 
        !          9895: If a particular student has tried two or more versions of a particular task,
        !          9896: the submission screen provides a user with vgr privileges (e.g., a Course
        !          9897: Coordinator) the ability to display a previous version worked on by the
        !          9898: student.  By default, the current version is displayed. If a previous version
        !          9899: has been selected for display, submission data are only shown that pertain
        !          9900: to that particular version, and the interface to submit grades is not shown.
        !          9901: 
        !          9902: =over 4
        !          9903: 
        !          9904: =item show_previous_task_version()
        !          9905: 
        !          9906: Displays a specified version of a student's Task, as the student sees it.
        !          9907: 
        !          9908: Inputs: 2
        !          9909:         request - request object
        !          9910:         symb    - unique symb for current instance of resource
        !          9911: 
        !          9912: Output: None.
        !          9913: 
        !          9914: Side Effects: calls &show_problem() to print version of Task, with
        !          9915:               version contained in form item: $env{'form.previousversion'}
        !          9916: 
        !          9917: =item choose_task_version_form()
        !          9918: 
        !          9919: Displays a web form used to select which version of a student's view of a
        !          9920: Task should be displayed.  Either launches a pop-up window, or replaces
        !          9921: content in existing pop-up, or replaces page in main window.
        !          9922: 
        !          9923: Inputs: 4
        !          9924:         symb    - unique symb for current instance of resource
        !          9925:         uname   - username of student
        !          9926:         udom    - domain of student
        !          9927:         nomenu  - 1 if display is in a pop-up window, and hence no menu
        !          9928:                   breadcrumbs etc., are displayed
        !          9929: 
        !          9930: Output: 4
        !          9931:         current   - student's current version
        !          9932:         displayed - student's version being displayed
        !          9933:         result    - scalar containing HTML for web form used to switch to
        !          9934:                     a different version (or a link to close window, if pop-up).
        !          9935:         js        - javascript for processing selection in versions web form
        !          9936: 
        !          9937: Side Effects: None.
        !          9938: 
        !          9939: =item previous_display_javascript()
        !          9940: 
        !          9941: Inputs: 2
        !          9942:         nomenu  - 1 if display is in a pop-up window, and hence no menu
        !          9943:                   breadcrumbs etc., are displayed.
        !          9944:         current - student's current version number.
        !          9945: 
        !          9946: Output: 1
        !          9947:         js      - javascript for processing selection in versions web form.
        !          9948: 
        !          9949: Side Effects: None.
        !          9950: 
        !          9951: =back
        !          9952: 
        !          9953: =head1 Routines to process bubblesheet data.
        !          9954: 
        !          9955: =over 4
        !          9956: 
1.531     jms      9957: =item scantron_get_correction() : 
                   9958: 
                   9959:    Builds the interface screen to interact with the operator to fix a
                   9960:    specific error condition in a specific scanline
                   9961: 
                   9962:  Arguments:
                   9963:     $r           - Apache request object
                   9964:     $i           - number of the current scanline
                   9965:     $scan_record - hash ref as returned from &scantron_parse_scanline()
                   9966:     $scan_config - hash ref as returned from &get_scantron_config()
                   9967:     $line        - full contents of the current scanline
                   9968:     $error       - error condition, valid values are
                   9969:                    'incorrectCODE', 'duplicateCODE',
                   9970:                    'doublebubble', 'missingbubble',
                   9971:                    'duplicateID', 'incorrectID'
                   9972:     $arg         - extra information needed
                   9973:        For errors:
                   9974:          - duplicateID   - paper number that this studentID was seen before on
                   9975:          - duplicateCODE - array ref of the paper numbers this CODE was
                   9976:                            seen on before
                   9977:          - incorrectCODE - current incorrect CODE 
                   9978:          - doublebubble  - array ref of the bubble lines that have double
                   9979:                            bubble errors
                   9980:          - missingbubble - array ref of the bubble lines that have missing
                   9981:                            bubble errors
                   9982: 
                   9983: =item  scantron_get_maxbubble() : 
                   9984: 
1.582     raeburn  9985:    Arguments:
                   9986:        $nav_error  - Reference to scalar which is a flag to indicate a
                   9987:                       failure to retrieve a navmap object.
                   9988:        if $nav_error is set to 1 by scantron_get_maxbubble(), the 
                   9989:        calling routine should trap the error condition and display the warning
                   9990:        found in &navmap_errormsg().
                   9991: 
1.649     raeburn  9992:        $scantron_config - Reference to bubblesheet format configuration hash.
                   9993: 
1.531     jms      9994:    Returns the maximum number of bubble lines that are expected to
                   9995:    occur. Does this by walking the selected sequence rendering the
                   9996:    resource and then checking &Apache::lonxml::get_problem_counter()
                   9997:    for what the current value of the problem counter is.
                   9998: 
                   9999:    Caches the results to $env{'form.scantron_maxbubble'},
                   10000:    $env{'form.scantron.bubble_lines.n'}, 
                   10001:    $env{'form.scantron.first_bubble_line.n'} and
                   10002:    $env{"form.scantron.sub_bubblelines.n"}
                   10003:    which are the total number of bubble, lines, the number of bubble
                   10004:    lines for response n and number of the first bubble line for response n,
                   10005:    and a comma separated list of numbers of bubble lines for sub-questions
                   10006:    (for optionresponse, matchresponse, and rankresponse items), for response n.  
                   10007: 
                   10008: 
                   10009: =item  scantron_validate_missingbubbles() : 
                   10010: 
                   10011:    Validates all scanlines in the selected file to not have any
                   10012:     answers that don't have bubbles that have not been verified
                   10013:     to be bubble free.
                   10014: 
                   10015: =item  scantron_process_students() : 
                   10016: 
1.659     raeburn  10017:    Routine that does the actual grading of the bubblesheet information.
1.531     jms      10018: 
                   10019:    The parsed scanline hash is added to %env 
                   10020: 
                   10021:    Then foreach unskipped scanline it does an &Apache::lonnet::ssi()
                   10022:    foreach resource , with the form data of
                   10023: 
                   10024: 	'submitted'     =>'scantron' 
                   10025: 	'grade_target'  =>'grade',
                   10026: 	'grade_username'=> username of student
                   10027: 	'grade_domain'  => domain of student
                   10028: 	'grade_courseid'=> of course
                   10029: 	'grade_symb'    => symb of resource to grade
                   10030: 
                   10031:     This triggers a grading pass. The problem grading code takes care
                   10032:     of converting the bubbled letter information (now in %env) into a
                   10033:     valid submission.
                   10034: 
                   10035: =item  scantron_upload_scantron_data() :
                   10036: 
1.659     raeburn  10037:     Creates the screen for adding a new bubblesheet data file to a course.
1.531     jms      10038: 
                   10039: =item  scantron_upload_scantron_data_save() : 
                   10040: 
                   10041:    Adds a provided bubble information data file to the course if user
                   10042:    has the correct privileges to do so. 
                   10043: 
                   10044: =item  valid_file() :
                   10045: 
                   10046:    Validates that the requested bubble data file exists in the course.
                   10047: 
                   10048: =item  scantron_download_scantron_data() : 
                   10049: 
                   10050:    Shows a list of the three internal files (original, corrected,
1.659     raeburn  10051:    skipped) for a specific bubblesheet data file that exists in the
1.531     jms      10052:    course.
                   10053: 
                   10054: =item  scantron_validate_ID() : 
                   10055: 
                   10056:    Validates all scanlines in the selected file to not have any
1.556     weissno  10057:    invalid or underspecified student/employee IDs
1.531     jms      10058: 
1.582     raeburn  10059: =item navmap_errormsg() :
                   10060: 
                   10061:    Returns HTML mark-up inside a <div></div> with a link to re-initialize the course.
1.671   ! raeburn  10062:    Should be called whenever the request to instantiate a navmap object fails.
        !          10063: 
        !          10064: =back
1.582     raeburn  10065: 
1.531     jms      10066: =back
                   10067: 
                   10068: =cut

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