Annotation of loncom/homework/grades.pm, revision 1.513

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.513   ! foxr        4: # $Id: grades.pm,v 1.512 2008/03/03 23:36:30 www 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: 
                     29: package Apache::grades;
                     30: use strict;
                     31: use Apache::style;
                     32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.3       albertel   34: use Apache::loncommon;
1.112     ng         35: use Apache::lonhtmlcommon;
1.68      ng         36: use Apache::lonnavmaps;
1.1       albertel   37: use Apache::lonhomework;
1.456     banghart   38: use Apache::lonpickcode;
1.55      matthew    39: use Apache::loncoursedata;
1.362     albertel   40: use Apache::lonmsg();
1.1       albertel   41: use Apache::Constants qw(:common);
1.167     sakharuk   42: use Apache::lonlocal;
1.386     raeburn    43: use Apache::lonenc;
1.170     albertel   44: use String::Similarity;
1.359     www        45: use LONCAPA;
                     46: 
1.315     bowersj2   47: use POSIX qw(floor);
1.87      www        48: 
1.435     foxr       49: 
1.513   ! foxr       50: 
1.435     foxr       51: my %perm=();
1.447     foxr       52: 
1.513   ! foxr       53: #  These variables are used to recover from ssi errors
        !            54: 
        !            55: my $ssi_retries = 5;
        !            56: my $ssi_error;
        !            57: my $ssi_error_resource;
        !            58: my $ssi_error_message;
        !            59: 
        !            60: 
        !            61: #  Do an ssi with retries:
        !            62: #  While I'd love to factor out this with the vesrion in lonprintout,
        !            63: #  that would either require a data coupling between modules, which I refuse to perpetuate
        !            64: #  (there's quite enough of that already), or would require the invention of another infrastructure
        !            65: #  I'm not quite ready to invent (e.g. an ssi_with_retry object).
        !            66: #
        !            67: # At least the logic that drives this has been pulled out into loncommon.
        !            68: 
        !            69: 
        !            70: #
        !            71: #   ssi_with_retries - Does the server side include of a resource.
        !            72: #                      if the ssi call returns an error we'll retry it up to
        !            73: #                      the number of times requested by the caller.
        !            74: #                      If we still have a proble, no text is appended to the
        !            75: #                      output and we set some global variables.
        !            76: #                      to indicate to the caller an SSI error occured.  
        !            77: #                      All of this is supposed to deal with the issues described
        !            78: #                      in LonCAPA BZ 5631 see:
        !            79: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
        !            80: #                      by informing the user that this happened.
        !            81: #
        !            82: # Parameters:
        !            83: #   resource   - The resource to include.  This is passed directly, without
        !            84: #                interpretation to lonnet::ssi.
        !            85: #   form       - The form hash parameters that guide the interpretation of the resource
        !            86: #                
        !            87: #   retries    - Number of retries allowed before giving up completely.
        !            88: # Returns:
        !            89: #   On success, returns the rendered resource identified by the resource parameter.
        !            90: # Side Effects:
        !            91: #   The following global variables can be set:
        !            92: #    ssi_error                - If an unrecoverable error occured this becomes true.
        !            93: #                               It is up to the caller to initialize this to false
        !            94: #                               if desired.
        !            95: #    ssi_last_error_resource  - If an unrecoverable error occured, this is the value
        !            96: #                               of the resource that could not be rendered by the ssi
        !            97: #                               call.
        !            98: #    ssi_last_error           - The error string fetched from the ssi response
        !            99: #                               in the event of an error.
        !           100: #
        !           101: sub ssi_with_retries {
        !           102:     my ($resource, $retries, %form) = @_;
        !           103:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
        !           104:     if ($response->is_error) {
        !           105: 	$ssi_error          = 1;
        !           106: 	$ssi_error_resource = $resource;
        !           107: 	$ssi_error_message  = $response->code . " " . $response->message;
        !           108:     }
        !           109: 
        !           110:     return $content;
        !           111: 
        !           112: }
        !           113: #
        !           114: #  Prodcuces an ssi retry failure error message to the user:
        !           115: #
        !           116: 
        !           117: sub ssi_print_error {
        !           118:     my ($r) = @_;
        !           119:     $r->print('<h2>Unrecoverable network error</h2>');
        !           120:     $r->print('<p>Unable to perform a resource fetch from a server: <br />');
        !           121:     $r->print("Resource: $ssi_error_resource <br />");
        !           122:     $r->print("Error: $ssi_error_message <br /> Try again later.");
        !           123:     $r->print('If errors persist, contact LonCAPA support for assistance</p>');
        !           124: }
        !           125: 
1.44      ng        126: #
1.146     albertel  127: # --- Retrieve the parts from the metadata file.---
1.44      ng        128: sub getpartlist {
1.324     albertel  129:     my ($symb) = @_;
1.439     albertel  130: 
                    131:     my $navmap   = Apache::lonnavmaps::navmap->new();
                    132:     my $res      = $navmap->getBySymb($symb);
                    133:     my $partlist = $res->parts();
                    134:     my $url      = $res->src();
                    135:     my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                    136: 
1.146     albertel  137:     my @stores;
1.439     albertel  138:     foreach my $part (@{ $partlist }) {
1.146     albertel  139: 	foreach my $key (@metakeys) {
                    140: 	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
                    141: 	}
                    142:     }
                    143:     return @stores;
1.2       albertel  144: }
                    145: 
1.44      ng        146: # --- Get the symbolic name of a problem and the url
1.324     albertel  147: sub get_symb {
1.173     albertel  148:     my ($request,$silent) = @_;
1.257     albertel  149:     (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                    150:     my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
1.173     albertel  151:     if ($symb eq '') { 
                    152: 	if (!$silent) {
                    153: 	    $request->print("Unable to handle ambiguous references:$url:.");
                    154: 	    return ();
                    155: 	}
                    156:     }
1.418     albertel  157:     &Apache::lonenc::check_decrypt(\$symb);
1.324     albertel  158:     return ($symb);
1.32      ng        159: }
                    160: 
1.129     ng        161: #--- Format fullname, username:domain if different for display
                    162: #--- Use anywhere where the student names are listed
                    163: sub nameUserString {
                    164:     my ($type,$fullname,$uname,$udom) = @_;
                    165:     if ($type eq 'header') {
1.485     albertel  166: 	return '<b>&nbsp;'.&mt('Fullname').'&nbsp;</b><span class="LC_internal_info">('.&mt('Username').')</span>';
1.129     ng        167:     } else {
1.398     albertel  168: 	return '&nbsp;'.$fullname.'<span class="LC_internal_info">&nbsp;('.$uname.
                    169: 	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</span>';
1.129     ng        170:     }
                    171: }
                    172: 
1.44      ng        173: #--- Get the partlist and the response type for a given problem. ---
                    174: #--- Indicate if a response type is coded handgraded or not. ---
1.39      ng        175: sub response_type {
1.324     albertel  176:     my ($symb) = shift;
1.377     albertel  177: 
                    178:     my $navmap = Apache::lonnavmaps::navmap->new();
                    179:     my $res = $navmap->getBySymb($symb);
                    180:     my $partlist = $res->parts();
1.392     albertel  181:     my %vPart = 
                    182: 	map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart'));
1.377     albertel  183:     my (%response_types,%handgrade);
                    184:     foreach my $part (@{ $partlist }) {
1.392     albertel  185: 	next if (%vPart && !exists($vPart{$part}));
                    186: 
1.377     albertel  187: 	my @types = $res->responseType($part);
                    188: 	my @ids = $res->responseIds($part);
                    189: 	for (my $i=0; $i < scalar(@ids); $i++) {
                    190: 	    $response_types{$part}{$ids[$i]} = $types[$i];
                    191: 	    $handgrade{$part.'_'.$ids[$i]} = 
                    192: 		&Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i].
                    193: 				     '.handgrade',$symb);
1.41      ng        194: 	}
                    195:     }
1.377     albertel  196:     return ($partlist,\%handgrade,\%response_types);
1.39      ng        197: }
                    198: 
1.375     albertel  199: sub flatten_responseType {
                    200:     my ($responseType) = @_;
                    201:     my @part_response_id =
                    202: 	map { 
                    203: 	    my $part = $_;
                    204: 	    map {
                    205: 		[$part,$_]
                    206: 		} sort(keys(%{ $responseType->{$part} }));
                    207: 	} sort(keys(%$responseType));
                    208:     return @part_response_id;
                    209: }
                    210: 
1.207     albertel  211: sub get_display_part {
1.324     albertel  212:     my ($partID,$symb)=@_;
1.207     albertel  213:     my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
                    214:     if (defined($display) and $display ne '') {
1.398     albertel  215: 	$display.= " (<span class=\"LC_internal_info\">id $partID</span>)";
1.207     albertel  216:     } else {
                    217: 	$display=$partID;
                    218:     }
                    219:     return $display;
                    220: }
1.269     raeburn   221: 
1.118     ng        222: #--- Show resource title
                    223: #--- and parts and response type
                    224: sub showResourceInfo {
1.324     albertel  225:     my ($symb,$probTitle,$checkboxes) = @_;
1.154     albertel  226:     my $col=3;
                    227:     if ($checkboxes) { $col=4; }
1.398     albertel  228:     my $result = '<h3>'.&mt('Current Resource').': '.$probTitle.'</h3>'."\n";
                    229:     $result .='<table border="0">';
1.324     albertel  230:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.126     ng        231:     my %resptype = ();
1.122     ng        232:     my $hdgrade='no';
1.154     albertel  233:     my %partsseen;
1.375     albertel  234:     foreach my $partID (sort keys(%$responseType)) {
                    235: 	foreach my $resID (sort keys(%{ $responseType->{$partID} })) {
                    236: 	    my $handgrade=$$handgrade{$partID.'_'.$resID};
                    237: 	    my $responsetype = $responseType->{$partID}->{$resID};
                    238: 	    $hdgrade = $handgrade if ($handgrade eq 'yes');
                    239: 	    $result.='<tr>';
                    240: 	    if ($checkboxes) {
                    241: 		if (exists($partsseen{$partID})) {
                    242: 		    $result.="<td>&nbsp;</td>";
                    243: 		} else {
1.401     albertel  244: 		    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='checked' /></td>";
1.375     albertel  245: 		}
                    246: 		$partsseen{$partID}=1;
1.154     albertel  247: 	    }
1.375     albertel  248: 	    my $display_part=&get_display_part($partID,$symb);
1.485     albertel  249: 	    $result.='<td>'.&mt('<b>Part: </b>[_1]',$display_part).' <span class="LC_internal_info">'.
1.398     albertel  250: 		$resID.'</span></td>'.
1.485     albertel  251: 		'<td>'.&mt('<b>Type: </b>[_1]',$responsetype).'</td></tr>';
                    252: #	    '<td>'.&mt('<b>Handgrade: </b>[_1]',$handgrade).'</td></tr>';
1.154     albertel  253: 	}
1.118     ng        254:     }
                    255:     $result.='</table>'."\n";
1.147     albertel  256:     return $result,$responseType,$hdgrade,$partlist,$handgrade;
1.118     ng        257: }
                    258: 
1.434     albertel  259: sub reset_caches {
                    260:     &reset_analyze_cache();
                    261:     &reset_perm();
                    262: }
                    263: 
                    264: {
                    265:     my %analyze_cache;
1.148     albertel  266: 
1.434     albertel  267:     sub reset_analyze_cache {
                    268: 	undef(%analyze_cache);
                    269:     }
                    270: 
                    271:     sub get_analyze {
                    272: 	my ($symb,$uname,$udom)=@_;
                    273: 	my $key = "$symb\0$uname\0$udom";
                    274: 	return $analyze_cache{$key} if (exists($analyze_cache{$key}));
                    275: 
                    276: 	my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
                    277: 	$url=&Apache::lonnet::clutter($url);
1.513   ! foxr      278: 	my $subresult=&ssi_with_retries($url, $ssi_retries,
1.434     albertel  279: 					   ('grade_target' => 'analyze'),
                    280: 					   ('grade_domain' => $udom),
                    281: 					   ('grade_symb' => $symb),
                    282: 					   ('grade_courseid' => 
                    283: 					    $env{'request.course.id'}),
                    284: 					   ('grade_username' => $uname));
                    285: 	(undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
                    286: 	my %analyze=&Apache::lonnet::str2hash($subresult);
                    287: 	return $analyze_cache{$key} = \%analyze;
                    288:     }
                    289: 
                    290:     sub get_order {
                    291: 	my ($partid,$respid,$symb,$uname,$udom)=@_;
                    292: 	my $analyze = &get_analyze($symb,$uname,$udom);
                    293: 	return $analyze->{"$partid.$respid.shown"};
                    294:     }
                    295: 
                    296:     sub get_radiobutton_correct_foil {
                    297: 	my ($partid,$respid,$symb,$uname,$udom)=@_;
                    298: 	my $analyze = &get_analyze($symb,$uname,$udom);
                    299: 	foreach my $foil (@{&get_order($partid,$respid,$symb,$uname,$udom)}) {
                    300: 	    if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') {
                    301: 		return $foil;
                    302: 	    }
                    303: 	}
                    304:     }
1.148     albertel  305: }
1.434     albertel  306: 
1.118     ng        307: #--- Clean response type for display
1.335     albertel  308: #--- Currently filters option/rank/radiobutton/match/essay/Task
                    309: #        response types only.
1.118     ng        310: sub cleanRecord {
1.336     albertel  311:     my ($answer,$response,$symb,$partid,$respid,$record,$order,$version,
                    312: 	$uname,$udom) = @_;
1.398     albertel  313:     my $grayFont = '<span class="LC_internal_info">';
1.148     albertel  314:     if ($response =~ /^(option|rank)$/) {
                    315: 	my %answer=&Apache::lonnet::str2hash($answer);
                    316: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    317: 	my ($toprow,$bottomrow);
                    318: 	foreach my $foil (@$order) {
                    319: 	    if ($grading{$foil} == 1) {
                    320: 		$toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
                    321: 	    } else {
                    322: 		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
                    323: 	    }
1.398     albertel  324: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  325: 	}
                    326: 	return '<blockquote><table border="1">'.
1.466     albertel  327: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    328: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.148     albertel  329: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
                    330:     } elsif ($response eq 'match') {
                    331: 	my %answer=&Apache::lonnet::str2hash($answer);
                    332: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    333: 	my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
                    334: 	my ($toprow,$middlerow,$bottomrow);
                    335: 	foreach my $foil (@$order) {
                    336: 	    my $item=shift(@items);
                    337: 	    if ($grading{$foil} == 1) {
                    338: 		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
1.398     albertel  339: 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</span></b></td>';
1.148     albertel  340: 	    } else {
                    341: 		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
1.398     albertel  342: 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</span></i></td>';
1.148     albertel  343: 	    }
1.398     albertel  344: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.118     ng        345: 	}
1.126     ng        346: 	return '<blockquote><table border="1">'.
1.466     albertel  347: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    348: 	    '<tr valign="top"><td>'.$grayFont.&mt('Item ID').'</span></td>'.
1.148     albertel  349: 	    $middlerow.'</tr>'.
1.466     albertel  350: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.148     albertel  351: 	    $bottomrow.'</tr>'.'</table></blockquote>';
                    352:     } elsif ($response eq 'radiobutton') {
                    353: 	my %answer=&Apache::lonnet::str2hash($answer);
                    354: 	my ($toprow,$bottomrow);
1.434     albertel  355: 	my $correct = 
                    356: 	    &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom);
                    357: 	foreach my $foil (@$order) {
1.148     albertel  358: 	    if (exists($answer{$foil})) {
1.434     albertel  359: 		if ($foil eq $correct) {
1.466     albertel  360: 		    $toprow.='<td><b>'.&mt('true').'</b></td>';
1.148     albertel  361: 		} else {
1.466     albertel  362: 		    $toprow.='<td><i>'.&mt('true').'</i></td>';
1.148     albertel  363: 		}
                    364: 	    } else {
1.466     albertel  365: 		$toprow.='<td>'.&mt('false').'</td>';
1.148     albertel  366: 	    }
1.398     albertel  367: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  368: 	}
                    369: 	return '<blockquote><table border="1">'.
1.466     albertel  370: 	    '<tr valign="top"><td>'.&mt('Answer').'</td>'.$toprow.'</tr>'.
                    371: 	    '<tr valign="top"><td>'.$grayFont.&mt('Option ID').'</span></td>'.
1.148     albertel  372: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
                    373:     } elsif ($response eq 'essay') {
1.257     albertel  374: 	if (! exists ($env{'form.'.$symb})) {
1.122     ng        375: 	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel  376: 						  $env{'course.'.$env{'request.course.id'}.'.domain'},
                    377: 						  $env{'course.'.$env{'request.course.id'}.'.num'});
1.122     ng        378: 
1.257     albertel  379: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                    380: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                    381: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                    382: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                    383: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                    384: 	    $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        385: 	}
1.166     albertel  386: 	$answer =~ s-\n-<br />-g;
                    387: 	return '<br /><br /><blockquote><tt>'.&keywords_highlight($answer).'</tt></blockquote>';
1.268     albertel  388:     } elsif ( $response eq 'organic') {
                    389: 	my $result='Smile representation: "<tt>'.$answer.'</tt>"';
                    390: 	my $jme=$record->{$version."resource.$partid.$respid.molecule"};
                    391: 	$result.=&Apache::chemresponse::jme_img($jme,$answer,400);
                    392: 	return $result;
1.335     albertel  393:     } elsif ( $response eq 'Task') {
                    394: 	if ( $answer eq 'SUBMITTED') {
                    395: 	    my $files = $record->{$version."resource.$respid.$partid.bridgetask.portfiles"};
1.336     albertel  396: 	    my $result = &Apache::bridgetask::file_list($files,$uname,$udom);
1.335     albertel  397: 	    return $result;
                    398: 	} elsif ( grep(/^\Q$version\E.*?\.instance$/, keys(%{$record})) ) {
                    399: 	    my @matches = grep(/^\Q$version\E.*?\.instance$/,
                    400: 			       keys(%{$record}));
                    401: 	    return join('<br />',($version,@matches));
                    402: 			       
                    403: 			       
                    404: 	} else {
                    405: 	    my $result =
                    406: 		'<p>'
                    407: 		.&mt('Overall result: [_1]',
                    408: 		     $record->{$version."resource.$respid.$partid.status"})
                    409: 		.'</p>';
                    410: 	    
                    411: 	    $result .= '<ul>';
                    412: 	    my @grade = grep(/^\Q${version}resource.$respid.$partid.\E[^.]*[.]status$/,
                    413: 			     keys(%{$record}));
                    414: 	    foreach my $grade (sort(@grade)) {
                    415: 		my ($dim) = ($grade =~/[.]([^.]+)[.]status$/);
                    416: 		$result.= '<li>'.&mt("Dimension: [_1], status [_2] ",
                    417: 				     $dim, $record->{$grade}).
                    418: 			  '</li>';
                    419: 	    }
                    420: 	    $result.='</ul>';
                    421: 	    return $result;
                    422: 	}
1.440     albertel  423:     } elsif ( $response =~ m/(?:numerical|formula)/) {
                    424: 	$answer = 
                    425: 	    &Apache::loncommon::format_previous_attempt_value('submission',
                    426: 							      $answer);
1.122     ng        427:     }
1.118     ng        428:     return $answer;
                    429: }
                    430: 
                    431: #-- A couple of common js functions
                    432: sub commonJSfunctions {
                    433:     my $request = shift;
                    434:     $request->print(<<COMMONJSFUNCTIONS);
                    435: <script type="text/javascript" language="javascript">
                    436:     function radioSelection(radioButton) {
                    437: 	var selection=null;
                    438: 	if (radioButton.length > 1) {
                    439: 	    for (var i=0; i<radioButton.length; i++) {
                    440: 		if (radioButton[i].checked) {
                    441: 		    return radioButton[i].value;
                    442: 		}
                    443: 	    }
                    444: 	} else {
                    445: 	    if (radioButton.checked) return radioButton.value;
                    446: 	}
                    447: 	return selection;
                    448:     }
                    449: 
                    450:     function pullDownSelection(selectOne) {
                    451: 	var selection="";
                    452: 	if (selectOne.length > 1) {
                    453: 	    for (var i=0; i<selectOne.length; i++) {
                    454: 		if (selectOne[i].selected) {
                    455: 		    return selectOne[i].value;
                    456: 		}
                    457: 	    }
                    458: 	} else {
1.138     albertel  459:             // only one value it must be the selected one
                    460: 	    return selectOne.value;
1.118     ng        461: 	}
                    462:     }
                    463: </script>
                    464: COMMONJSFUNCTIONS
                    465: }
                    466: 
1.44      ng        467: #--- Dumps the class list with usernames,list of sections,
                    468: #--- section, ids and fullnames for each user.
                    469: sub getclasslist {
1.449     banghart  470:     my ($getsec,$filterlist,$getgroup) = @_;
1.291     albertel  471:     my @getsec;
1.450     banghart  472:     my @getgroup;
1.442     banghart  473:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.291     albertel  474:     if (!ref($getsec)) {
                    475: 	if ($getsec ne '' && $getsec ne 'all') {
                    476: 	    @getsec=($getsec);
                    477: 	}
                    478:     } else {
                    479: 	@getsec=@{$getsec};
                    480:     }
                    481:     if (grep(/^all$/,@getsec)) { undef(@getsec); }
1.450     banghart  482:     if (!ref($getgroup)) {
                    483: 	if ($getgroup ne '' && $getgroup ne 'all') {
                    484: 	    @getgroup=($getgroup);
                    485: 	}
                    486:     } else {
                    487: 	@getgroup=@{$getgroup};
                    488:     }
                    489:     if (grep(/^all$/,@getgroup)) { undef(@getgroup); }
1.291     albertel  490: 
1.449     banghart  491:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1.49      albertel  492:     # Bail out if we were unable to get the classlist
1.56      matthew   493:     return if (! defined($classlist));
1.449     banghart  494:     &Apache::loncoursedata::get_group_memberships($classlist,$keylist);
1.56      matthew   495:     #
                    496:     my %sections;
                    497:     my %fullnames;
1.205     matthew   498:     foreach my $student (keys(%$classlist)) {
                    499:         my $end      = 
                    500:             $classlist->{$student}->[&Apache::loncoursedata::CL_END()];
                    501:         my $start    = 
                    502:             $classlist->{$student}->[&Apache::loncoursedata::CL_START()];
                    503:         my $id       = 
                    504:             $classlist->{$student}->[&Apache::loncoursedata::CL_ID()];
                    505:         my $section  = 
                    506:             $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
                    507:         my $fullname = 
                    508:             $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()];
                    509:         my $status   = 
                    510:             $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()];
1.449     banghart  511:         my $group   = 
                    512:             $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
1.76      ng        513: 	# filter students according to status selected
1.442     banghart  514: 	if ($filterlist && (!($stu_status =~ /Any/))) {
                    515: 	    if (!($stu_status =~ $status)) {
1.450     banghart  516: 		delete($classlist->{$student});
1.76      ng        517: 		next;
                    518: 	    }
                    519: 	}
1.450     banghart  520: 	# filter students according to groups selected
1.453     banghart  521: 	my @stu_groups = split(/,/,$group);
1.450     banghart  522: 	if (@getgroup) {
                    523: 	    my $exclude = 1;
1.454     banghart  524: 	    foreach my $grp (@getgroup) {
                    525: 	        foreach my $stu_group (@stu_groups) {
1.453     banghart  526: 	            if ($stu_group eq $grp) {
                    527: 	                $exclude = 0;
                    528:     	            } 
1.450     banghart  529: 	        }
1.453     banghart  530:     	        if (($grp eq 'none') && !$group) {
                    531:         	        $exclude = 0;
                    532:         	}
1.450     banghart  533: 	    }
                    534: 	    if ($exclude) {
                    535: 	        delete($classlist->{$student});
                    536: 	    }
                    537: 	}
1.205     matthew   538: 	$section = ($section ne '' ? $section : 'none');
1.106     albertel  539: 	if (&canview($section)) {
1.291     albertel  540: 	    if (!@getsec || grep(/^\Q$section\E$/,@getsec)) {
1.103     albertel  541: 		$sections{$section}++;
1.450     banghart  542: 		if ($classlist->{$student}) {
                    543: 		    $fullnames{$student}=$fullname;
                    544: 		}
1.103     albertel  545: 	    } else {
1.205     matthew   546: 		delete($classlist->{$student});
1.103     albertel  547: 	    }
                    548: 	} else {
1.205     matthew   549: 	    delete($classlist->{$student});
1.103     albertel  550: 	}
1.44      ng        551:     }
                    552:     my %seen = ();
1.56      matthew   553:     my @sections = sort(keys(%sections));
                    554:     return ($classlist,\@sections,\%fullnames);
1.44      ng        555: }
                    556: 
1.103     albertel  557: sub canmodify {
                    558:     my ($sec)=@_;
                    559:     if ($perm{'mgr'}) {
                    560: 	if (!defined($perm{'mgr_section'})) {
                    561: 	    # can modify whole class
                    562: 	    return 1;
                    563: 	} else {
                    564: 	    if ($sec eq $perm{'mgr_section'}) {
                    565: 		#can modify the requested section
                    566: 		return 1;
                    567: 	    } else {
                    568: 		# can't modify the request section
                    569: 		return 0;
                    570: 	    }
                    571: 	}
                    572:     }
                    573:     #can't modify
                    574:     return 0;
                    575: }
                    576: 
                    577: sub canview {
                    578:     my ($sec)=@_;
                    579:     if ($perm{'vgr'}) {
                    580: 	if (!defined($perm{'vgr_section'})) {
                    581: 	    # can modify whole class
                    582: 	    return 1;
                    583: 	} else {
                    584: 	    if ($sec eq $perm{'vgr_section'}) {
                    585: 		#can modify the requested section
                    586: 		return 1;
                    587: 	    } else {
                    588: 		# can't modify the request section
                    589: 		return 0;
                    590: 	    }
                    591: 	}
                    592:     }
                    593:     #can't modify
                    594:     return 0;
                    595: }
                    596: 
1.44      ng        597: #--- Retrieve the grade status of a student for all the parts
                    598: sub student_gradeStatus {
1.324     albertel  599:     my ($symb,$udom,$uname,$partlist) = @_;
1.257     albertel  600:     my %record     = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.44      ng        601:     my %partstatus = ();
                    602:     foreach (@$partlist) {
1.128     ng        603: 	my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
1.44      ng        604: 	$status              = 'nothing' if ($status eq '');
                    605: 	$partstatus{$_}      = $status;
                    606: 	my $subkey           = "resource.$_.submitted_by";
                    607: 	$partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
                    608:     }
                    609:     return %partstatus;
                    610: }
                    611: 
1.45      ng        612: # hidden form and javascript that calls the form
                    613: # Use by verifyscript and viewgrades
                    614: # Shows a student's view of problem and submission
                    615: sub jscriptNform {
1.324     albertel  616:     my ($symb) = @_;
1.442     banghart  617:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.45      ng        618:     my $jscript='<script type="text/javascript" language="javascript">'."\n".
                    619: 	'    function viewOneStudent(user,domain) {'."\n".
                    620: 	'	document.onestudent.student.value = user;'."\n".
                    621: 	'	document.onestudent.userdom.value = domain;'."\n".
                    622: 	'	document.onestudent.submit();'."\n".
                    623: 	'    }'."\n".
                    624: 	'</script>'."\n";
                    625:     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
1.418     albertel  626: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel  627: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
                    628: 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n".
1.442     banghart  629: 	'<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
1.45      ng        630: 	'<input type="hidden" name="command" value="submission" />'."\n".
                    631: 	'<input type="hidden" name="student" value="" />'."\n".
                    632: 	'<input type="hidden" name="userdom" value="" />'."\n".
                    633: 	'</form>'."\n";
                    634:     return $jscript;
                    635: }
1.39      ng        636: 
1.447     foxr      637: 
                    638: 
1.315     bowersj2  639: # Given the score (as a number [0-1] and the weight) what is the final
                    640: # point value? This function will round to the nearest tenth, third,
                    641: # or quarter if one of those is within the tolerance of .00001.
1.316     albertel  642: sub compute_points {
1.315     bowersj2  643:     my ($score, $weight) = @_;
                    644:     
                    645:     my $tolerance = .00001;
                    646:     my $points = $score * $weight;
                    647: 
                    648:     # Check for nearness to 1/x.
                    649:     my $check_for_nearness = sub {
                    650:         my ($factor) = @_;
                    651:         my $num = ($points * $factor) + $tolerance;
                    652:         my $floored_num = floor($num);
1.316     albertel  653:         if ($num - $floored_num < 2 * $tolerance * $factor) {
1.315     bowersj2  654:             return $floored_num / $factor;
                    655:         }
                    656:         return $points;
                    657:     };
                    658: 
                    659:     $points = $check_for_nearness->(10);
                    660:     $points = $check_for_nearness->(3);
                    661:     $points = $check_for_nearness->(4);
                    662:     
                    663:     return $points;
                    664: }
                    665: 
1.44      ng        666: #------------------ End of general use routines --------------------
1.87      www       667: 
                    668: #
                    669: # Find most similar essay
                    670: #
                    671: 
                    672: sub most_similar {
1.426     albertel  673:     my ($uname,$udom,$uessay,$old_essays)=@_;
1.87      www       674: 
                    675: # ignore spaces and punctuation
                    676: 
                    677:     $uessay=~s/\W+/ /gs;
                    678: 
1.282     www       679: # ignore empty submissions (occuring when only files are sent)
                    680: 
                    681:     unless ($uessay=~/\w+/) { return ''; }
                    682: 
1.87      www       683: # these will be returned. Do not care if not at least 50 percent similar
1.88      www       684:     my $limit=0.6;
1.87      www       685:     my $sname='';
                    686:     my $sdom='';
                    687:     my $scrsid='';
                    688:     my $sessay='';
                    689: # go through all essays ...
1.426     albertel  690:     foreach my $tkey (keys(%$old_essays)) {
                    691: 	my ($tname,$tdom,$tcrsid)=map {&unescape($_)} (split(/\./,$tkey));
1.87      www       692: # ... except the same student
1.426     albertel  693:         next if (($tname eq $uname) && ($tdom eq $udom));
                    694: 	my $tessay=$old_essays->{$tkey};
                    695: 	$tessay=~s/\W+/ /gs;
1.87      www       696: # String similarity gives up if not even limit
1.426     albertel  697: 	my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
1.87      www       698: # Found one
1.426     albertel  699: 	if ($tsimilar>$limit) {
                    700: 	    $limit=$tsimilar;
                    701: 	    $sname=$tname;
                    702: 	    $sdom=$tdom;
                    703: 	    $scrsid=$tcrsid;
                    704: 	    $sessay=$old_essays->{$tkey};
                    705: 	}
1.87      www       706:     }
1.88      www       707:     if ($limit>0.6) {
1.87      www       708:        return ($sname,$sdom,$scrsid,$sessay,$limit);
                    709:     } else {
                    710:        return ('','','','',0);
                    711:     }
                    712: }
                    713: 
1.44      ng        714: #-------------------------------------------------------------------
                    715: 
                    716: #------------------------------------ Receipt Verification Routines
1.45      ng        717: #
1.44      ng        718: #--- Check whether a receipt number is valid.---
                    719: sub verifyreceipt {
                    720:     my $request  = shift;
                    721: 
1.257     albertel  722:     my $courseid = $env{'request.course.id'};
1.184     www       723:     my $receipt  = &Apache::lonnet::recprefix($courseid).'-'.
1.257     albertel  724: 	$env{'form.receipt'};
1.44      ng        725:     $receipt     =~ s/[^\-\d]//g;
1.378     albertel  726:     my ($symb)   = &get_symb($request);
1.44      ng        727: 
1.487     albertel  728:     my $title.=
                    729: 	'<h3><span class="LC_info">'.
                    730: 	&mt('Verifying Submission Receipt [_1]',$receipt).
                    731: 	'</span></h3>'."\n".
                    732: 	'<h4>'.&mt('<b>Resource: </b>[_1]',$env{'form.probTitle'}).
                    733: 	'</h4>'."\n";
1.44      ng        734: 
                    735:     my ($string,$contents,$matches) = ('','',0);
1.56      matthew   736:     my (undef,undef,$fullname) = &getclasslist('all','0');
1.177     albertel  737:     
                    738:     my $receiptparts=0;
1.390     albertel  739:     if ($env{"course.$courseid.receiptalg"} eq 'receipt2' ||
                    740: 	$env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; }
1.177     albertel  741:     my $parts=['0'];
1.324     albertel  742:     if ($receiptparts) { ($parts)=&response_type($symb); }
1.486     albertel  743:     
                    744:     my $header = 
                    745: 	&Apache::loncommon::start_data_table().
                    746: 	&Apache::loncommon::start_data_table_header_row().
1.487     albertel  747: 	'<th>&nbsp;'.&mt('Fullname').'&nbsp;</th>'."\n".
                    748: 	'<th>&nbsp;'.&mt('Username').'&nbsp;</th>'."\n".
                    749: 	'<th>&nbsp;'.&mt('Domain').'&nbsp;</th>';
1.486     albertel  750:     if ($receiptparts) {
1.487     albertel  751: 	$header.='<th>&nbsp;'.&mt('Problem Part').'&nbsp;</th>';
1.486     albertel  752:     }
                    753:     $header.=
                    754: 	&Apache::loncommon::end_data_table_header_row();
                    755: 
1.294     albertel  756:     foreach (sort 
                    757: 	     {
                    758: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    759: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    760: 		 }
                    761: 		 return $a cmp $b;
                    762: 	     } (keys(%$fullname))) {
1.44      ng        763: 	my ($uname,$udom)=split(/\:/);
1.177     albertel  764: 	foreach my $part (@$parts) {
                    765: 	    if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
1.486     albertel  766: 		$contents.=
                    767: 		    &Apache::loncommon::start_data_table_row().
                    768: 		    '<td>&nbsp;'."\n".
1.177     albertel  769: 		    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel  770: 		    '\');" target="_self">'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
1.177     albertel  771: 		    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
                    772: 		    '<td>&nbsp;'.$udom.'&nbsp;</td>';
                    773: 		if ($receiptparts) {
                    774: 		    $contents.='<td>&nbsp;'.$part.'&nbsp;</td>';
                    775: 		}
1.486     albertel  776: 		$contents.= 
                    777: 		    &Apache::loncommon::end_data_table_row()."\n";
1.177     albertel  778: 		
                    779: 		$matches++;
                    780: 	    }
1.44      ng        781: 	}
                    782:     }
                    783:     if ($matches == 0) {
1.487     albertel  784: 	$string = $title.&mt('No match found for the above receipt.');
1.44      ng        785:     } else {
1.324     albertel  786: 	$string = &jscriptNform($symb).$title.
1.487     albertel  787: 	    '<p>'.
                    788: 	    &mt('The above receipt matches the following [numerate,_1,student].',$matches).
                    789: 	    '</p>'.
1.486     albertel  790: 	    $header.
                    791: 	    $contents.
                    792: 	    &Apache::loncommon::end_data_table()."\n";
1.44      ng        793:     }
1.324     albertel  794:     return $string.&show_grading_menu_form($symb);
1.44      ng        795: }
                    796: 
                    797: #--- This is called by a number of programs.
                    798: #--- Called from the Grading Menu - View/Grade an individual student
                    799: #--- Also called directly when one clicks on the subm button 
                    800: #    on the problem page.
1.30      ng        801: sub listStudents {
1.41      ng        802:     my ($request) = shift;
1.49      albertel  803: 
1.324     albertel  804:     my ($symb) = &get_symb($request);
1.257     albertel  805:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                    806:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                    807:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
1.449     banghart  808:     my $getgroup  = $env{'form.group'} eq '' ? 'all' : $env{'form.group'};
1.257     albertel  809:     my $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
                    810:     my $viewgrade = $env{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
                    811:     $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
                    812: 	&Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
1.49      albertel  813: 
1.485     albertel  814:     my $result='<h3><span class="LC_info">&nbsp;'.
                    815: 	&mt($viewgrade.' Submissions for a Student or a Group of Students')
                    816: 	.'</span></h3>';
1.118     ng        817: 
1.324     albertel  818:     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes'));
1.49      albertel  819: 
1.485     albertel  820:     my %lt = ( 'multiple' =>
                    821: 	       "Please select a student or group of students before clicking on the Next button.",
                    822: 	       'single'   =>
                    823: 	       "Please select the student before clicking on the Next button.",
                    824: 	       );
                    825:     %lt = &Apache::lonlocal::texthash(%lt);
1.45      ng        826:     $request->print(<<LISTJAVASCRIPT);
                    827: <script type="text/javascript" language="javascript">
1.110     ng        828:     function checkSelect(checkBox) {
                    829: 	var ctr=0;
                    830: 	var sense="";
                    831: 	if (checkBox.length > 1) {
                    832: 	    for (var i=0; i<checkBox.length; i++) {
                    833: 		if (checkBox[i].checked) {
                    834: 		    ctr++;
                    835: 		}
                    836: 	    }
1.485     albertel  837: 	    sense = '$lt{'multiple'}';
1.110     ng        838: 	} else {
                    839: 	    if (checkBox.checked) {
                    840: 		ctr = 1;
                    841: 	    }
1.485     albertel  842: 	    sense = '$lt{'single'}';
1.110     ng        843: 	}
                    844: 	if (ctr == 0) {
1.485     albertel  845: 	    alert(sense);
1.110     ng        846: 	    return false;
                    847: 	}
                    848: 	document.gradesub.submit();
                    849:     }
                    850: 
                    851:     function reLoadList(formname) {
1.112     ng        852: 	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
1.110     ng        853: 	formname.command.value = 'submission';
                    854: 	formname.submit();
                    855:     }
1.45      ng        856: </script>
                    857: LISTJAVASCRIPT
                    858: 
1.118     ng        859:     &commonJSfunctions($request);
1.41      ng        860:     $request->print($result);
1.39      ng        861: 
1.401     albertel  862:     my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : '';
                    863:     my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : '';
1.154     albertel  864:     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
1.485     albertel  865: 	"\n".$table;
                    866: 	
                    867:     $gradeTable .= 
                    868: 	'&nbsp;'.
                    869: 	&mt('<b>View Problem Text: </b>[_1]',
                    870: 	    '<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n".
                    871: 	    '<label><input type="radio" name="vProb" value="yes" /> '.&mt('one student').' </label>'."\n".
                    872: 	    '<label><input type="radio" name="vProb" value="all" /> '.&mt('all students').' </label>').'<br />'."\n";
                    873:     $gradeTable .= 
                    874: 	'&nbsp;'.
                    875: 	&mt('<b>View Answer: </b>[_1]',
                    876: 	    '<label><input type="radio" name="vAns" value="no"  /> '.&mt('no').' </label>'."\n".
                    877: 	    '<label><input type="radio" name="vAns" value="yes" /> '.&mt('one student').' </label>'."\n".
                    878: 	    '<label><input type="radio" name="vAns" value="all" checked="checked" /> '.&mt('all students').' </label>').'<br />'."\n";
                    879: 
                    880:     my $submission_options;
1.257     albertel  881:     if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
1.485     albertel  882: 	$submission_options.=
                    883: 	    '<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> '.&mt('essay part only').' </label>'."\n";
1.49      albertel  884:     }
1.442     banghart  885:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
                    886:     my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
1.257     albertel  887:     $env{'form.Status'} = $saveStatus;
1.485     albertel  888:     $submission_options.=
                    889: 	'<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> '.&mt('last submission only').' </label>'."\n".
                    890: 	'<label><input type="radio" name="lastSub" value="last" /> '.&mt('last submission &amp; parts info').' </label>'."\n".
                    891: 	'<label><input type="radio" name="lastSub" value="datesub" /> '.&mt('by dates and submissions').' </label>'."\n".
                    892: 	'<label><input type="radio" name="lastSub" value="all" /> '.&mt('all details').'</label>';
                    893:     $gradeTable .= 
                    894: 	'&nbsp;'.
                    895: 	&mt('<b>Submissions: </b>[_1]',$submission_options).'<br />'."\n";
                    896: 
                    897:     $gradeTable .= 
                    898:         '&nbsp;'.
                    899: 	&mt('<b>Grading Increments:</b> [_1]',
                    900: 	    '<select name="increment">'.
                    901: 	    '<option value="1">'.&mt('Whole Points').'</option>'.
                    902: 	    '<option value=".5">'.&mt('Half Points').'</option>'.
                    903: 	    '<option value=".25">'.&mt('Quarter Points').'</option>'.
                    904: 	    '<option value=".1">'.&mt('Tenths of a Point').'</option>'.
                    905: 	    '</select>');
                    906:     
                    907:     $gradeTable .= 
1.432     banghart  908:         &build_section_inputs().
1.45      ng        909: 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
1.257     albertel  910: 	'<input type="hidden" name="handgrade"   value="'.$env{'form.handgrade'}.'" /><br />'."\n".
                    911: 	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
                    912: 	'<input type="hidden" name="saveState"   value="'.$env{'form.saveState'}.'" />'."\n".
                    913: 	'<input type="hidden" name="probTitle"   value="'.$env{'form.probTitle'}.'" />'."\n".
1.418     albertel  914: 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.110     ng        915: 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
                    916: 
1.257     albertel  917:     if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) {
1.442     banghart  918: 	$gradeTable.='<input type="hidden" name="Status"   value="'.$stu_status.'" />'."\n";
1.124     ng        919:     } else {
1.485     albertel  920: 	$gradeTable.=&mt('<b>Student Status:</b> [_1]',
                    921: 			 &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);')).'<br />';
1.124     ng        922:     }
1.112     ng        923: 
1.485     albertel  924:     $gradeTable.=&mt('To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
                    925: 	'next to the student\'s name(s). Then click on the Next button.').'<br />'."\n".
1.110     ng        926: 	'<input type="hidden" name="command" value="processGroup" />'."\n";
1.249     albertel  927: 
                    928: # checkall buttons
                    929:     $gradeTable.=&check_script('gradesub', 'stuinfo');
1.110     ng        930:     $gradeTable.='<input type="button" '."\n".
1.45      ng        931: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
1.485     albertel  932: 	'value="'.&mt('Next-&gt;').'" /> <br />'."\n";
1.249     albertel  933:     $gradeTable.=&check_buttons();
1.485     albertel  934:     $gradeTable.='<label><input type="checkbox" name="checkPlag" checked="checked" />'.&mt('Check For Plagiarism').'</label>';
1.450     banghart  935:     my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup);
1.474     albertel  936:     $gradeTable.= &Apache::loncommon::start_data_table().
                    937: 	&Apache::loncommon::start_data_table_header_row();
1.110     ng        938:     my $loop = 0;
                    939:     while ($loop < 2) {
1.485     albertel  940: 	$gradeTable.='<th>'.&mt('No.').'</th><th>'.&mt('Select').'</th>'.
                    941: 	    '<th>'.&nameUserString('header').'&nbsp;'.&mt('Section/Group').'</th>';
1.301     albertel  942: 	if ($env{'form.showgrading'} eq 'yes' 
                    943: 	    && $submitonly ne 'queued'
                    944: 	    && $submitonly ne 'all') {
1.485     albertel  945: 	    foreach my $part (sort(@$partlist)) {
                    946: 		my $display_part=
                    947: 		    &get_display_part((split(/_/,$part))[0],$symb);
                    948: 		$gradeTable.=
                    949: 		    '<th>'.&mt('Part: [_1] Status',$display_part).'</th>';
1.110     ng        950: 	    }
1.301     albertel  951: 	} elsif ($submitonly eq 'queued') {
1.474     albertel  952: 	    $gradeTable.='<th>'.&mt('Queue Status').'&nbsp;</th>';
1.110     ng        953: 	}
                    954: 	$loop++;
1.126     ng        955: #	$gradeTable.='<td></td>' if ($loop%2 ==1);
1.41      ng        956:     }
1.474     albertel  957:     $gradeTable.=&Apache::loncommon::end_data_table_header_row()."\n";
1.41      ng        958: 
1.45      ng        959:     my $ctr = 0;
1.294     albertel  960:     foreach my $student (sort 
                    961: 			 {
                    962: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    963: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    964: 			     }
                    965: 			     return $a cmp $b;
                    966: 			 }
                    967: 			 (keys(%$fullname))) {
1.41      ng        968: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel  969: 
1.110     ng        970: 	my %status = ();
1.301     albertel  971: 
                    972: 	if ($submitonly eq 'queued') {
                    973: 	    my %queue_status = 
                    974: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                    975: 							$udom,$uname);
                    976: 	    next if (!defined($queue_status{'gradingqueue'}));
                    977: 	    $status{'gradingqueue'} = $queue_status{'gradingqueue'};
                    978: 	}
                    979: 
                    980: 	if ($env{'form.showgrading'} eq 'yes' 
                    981: 	    && $submitonly ne 'queued'
                    982: 	    && $submitonly ne 'all') {
1.324     albertel  983: 	    (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel  984: 	    my $submitted = 0;
1.164     albertel  985: 	    my $graded = 0;
1.248     albertel  986: 	    my $incorrect = 0;
1.110     ng        987: 	    foreach (keys(%status)) {
1.145     albertel  988: 		$submitted = 1 if ($status{$_} ne 'nothing');
1.248     albertel  989: 		$graded = 1 if ($status{$_} =~ /^ungraded/);
                    990: 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
                    991: 		
1.110     ng        992: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                    993: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
1.145     albertel  994: 		    $submitted = 0;
1.150     albertel  995: 		    my ($part)=split(/\./,$partid);
1.110     ng        996: 		    $gradeTable.='<input type="hidden" name="'.
1.150     albertel  997: 			$student.':'.$part.':submitted_by" value="'.
1.110     ng        998: 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
                    999: 		}
1.41      ng       1000: 	    }
1.248     albertel 1001: 	    
1.156     albertel 1002: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                   1003: 				     $submitonly eq 'incorrect' ||
                   1004: 				     $submitonly eq 'graded'));
1.248     albertel 1005: 	    next if (!$graded && ($submitonly eq 'graded'));
                   1006: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng       1007: 	}
1.34      ng       1008: 
1.45      ng       1009: 	$ctr++;
1.249     albertel 1010: 	my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
1.452     banghart 1011:         my $group = $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()];
1.104     albertel 1012: 	if ( $perm{'vgr'} eq 'F' ) {
1.474     albertel 1013: 	    if ($ctr%2 ==1) {
                   1014: 		$gradeTable.= &Apache::loncommon::start_data_table_row();
                   1015: 	    }
1.126     ng       1016: 	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
1.249     albertel 1017:                '<td align="center"><label><input type=checkbox name="stuinfo" value="'.
                   1018:                $student.':'.$$fullname{$student}.':::SECTION'.$section.
                   1019: 	       ')&nbsp;" />&nbsp;&nbsp;</label></td>'."\n".'<td>'.
                   1020: 	       &nameUserString(undef,$$fullname{$student},$uname,$udom).
1.474     albertel 1021: 	       '&nbsp;'.$section.($group ne '' ?'/'.$group:'').'</td>'."\n";
1.110     ng       1022: 
1.257     albertel 1023: 	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
1.110     ng       1024: 		foreach (sort keys(%status)) {
1.485     albertel 1025: 		    next if ($_ =~ /^resource.*?submitted_by$/);
                   1026: 		    $gradeTable.='<td align="center">&nbsp;'.&mt($status{$_}).'&nbsp;</td>'."\n";
1.110     ng       1027: 		}
1.41      ng       1028: 	    }
1.126     ng       1029: #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
1.474     albertel 1030: 	    if ($ctr%2 ==0) {
                   1031: 		$gradeTable.=&Apache::loncommon::end_data_table_row()."\n";
                   1032: 	    }
1.41      ng       1033: 	}
                   1034:     }
1.110     ng       1035:     if ($ctr%2 ==1) {
1.126     ng       1036: 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
1.301     albertel 1037: 	    if ($env{'form.showgrading'} eq 'yes' 
                   1038: 		&& $submitonly ne 'queued'
                   1039: 		&& $submitonly ne 'all') {
1.110     ng       1040: 		foreach (@$partlist) {
                   1041: 		    $gradeTable.='<td>&nbsp;</td>';
                   1042: 		}
1.301     albertel 1043: 	    } elsif ($submitonly eq 'queued') {
                   1044: 		$gradeTable.='<td>&nbsp;</td>';
1.110     ng       1045: 	    }
1.474     albertel 1046: 	$gradeTable.=&Apache::loncommon::end_data_table_row();
1.110     ng       1047:     }
                   1048: 
1.474     albertel 1049:     $gradeTable.=&Apache::loncommon::end_data_table()."\n".
1.45      ng       1050: 	'<input type="button" '.
                   1051: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
1.485     albertel 1052: 	'value="'.&mt('Next-&gt;').'" /></form>'."\n";
1.45      ng       1053:     if ($ctr == 0) {
1.96      albertel 1054: 	my $num_students=(scalar(keys(%$fullname)));
                   1055: 	if ($num_students eq 0) {
1.485     albertel 1056: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.&mt('There are no students currently enrolled.').'</span>';
1.96      albertel 1057: 	} else {
1.171     albertel 1058: 	    my $submissions='submissions';
                   1059: 	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
                   1060: 	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
1.301     albertel 1061: 	    if ($submitonly eq 'queued'   ) { $submissions = 'queued submissions'; }
1.398     albertel 1062: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.
1.485     albertel 1063: 		&mt('No '.$submissions.' found for this resource for any students. ([_1] students checked for '.$submissions.')',
                   1064: 		    $num_students).
                   1065: 		'</span><br />';
1.96      albertel 1066: 	}
1.46      ng       1067:     } elsif ($ctr == 1) {
1.474     albertel 1068: 	$gradeTable =~ s/type="checkbox"/type="checkbox" checked="checked"/;
1.45      ng       1069:     }
1.324     albertel 1070:     $gradeTable.=&show_grading_menu_form($symb);
1.45      ng       1071:     $request->print($gradeTable);
1.44      ng       1072:     return '';
1.10      ng       1073: }
                   1074: 
1.44      ng       1075: #---- Called from the listStudents routine
1.249     albertel 1076: 
                   1077: sub check_script {
                   1078:     my ($form, $type)=@_;
                   1079:     my $chkallscript='<script type="text/javascript">
                   1080:     function checkall() {
                   1081:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1082:             ele = document.forms.'.$form.'.elements[i];
                   1083:             if (ele.name == "'.$type.'") {
                   1084:             document.forms.'.$form.'.elements[i].checked=true;
                   1085:                                        }
                   1086:         }
                   1087:     }
                   1088: 
                   1089:     function checksec() {
                   1090:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1091:             ele = document.forms.'.$form.'.elements[i];
                   1092:            string = document.forms.'.$form.'.chksec.value;
                   1093:            if
                   1094:           (ele.value.indexOf(":::SECTION"+string)>0) {
                   1095:               document.forms.'.$form.'.elements[i].checked=true;
                   1096:             }
                   1097:         }
                   1098:     }
                   1099: 
                   1100: 
                   1101:     function uncheckall() {
                   1102:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                   1103:             ele = document.forms.'.$form.'.elements[i];
                   1104:             if (ele.name == "'.$type.'") {
                   1105:             document.forms.'.$form.'.elements[i].checked=false;
                   1106:                                        }
                   1107:         }
                   1108:     }
                   1109: 
                   1110: </script>'."\n";
                   1111:     return $chkallscript;
                   1112: }
                   1113: 
                   1114: sub check_buttons {
1.485     albertel 1115:     my $buttons.='<input type="button" onclick="checkall()" value="'.&mt('Check All').'" />';
                   1116:     $buttons.='<input type="button" onclick="uncheckall()" value="'.&mt('Uncheck All').'" />&nbsp;';
                   1117:     $buttons.='<input type="button" onclick="checksec()" value="'.&mt('Check Section/Group').'" />';
1.249     albertel 1118:     $buttons.='<input type="text" size="5" name="chksec" />&nbsp;';
                   1119:     return $buttons;
                   1120: }
                   1121: 
1.44      ng       1122: #     Displays the submissions for one student or a group of students
1.34      ng       1123: sub processGroup {
1.41      ng       1124:     my ($request)  = shift;
                   1125:     my $ctr        = 0;
1.155     albertel 1126:     my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.41      ng       1127:     my $total      = scalar(@stuchecked)-1;
1.45      ng       1128: 
1.396     banghart 1129:     foreach my $student (@stuchecked) {
                   1130: 	my ($uname,$udom,$fullname) = split(/:/,$student);
1.257     albertel 1131: 	$env{'form.student'}        = $uname;
                   1132: 	$env{'form.userdom'}        = $udom;
                   1133: 	$env{'form.fullname'}       = $fullname;
1.41      ng       1134: 	&submission($request,$ctr,$total);
                   1135: 	$ctr++;
                   1136:     }
                   1137:     return '';
1.35      ng       1138: }
1.34      ng       1139: 
1.44      ng       1140: #------------------------------------------------------------------------------------
                   1141: #
                   1142: #-------------------------- Next few routines handles grading by student, essentially
                   1143: #                           handles essay response type problem/part
                   1144: #
                   1145: #--- Javascript to handle the submission page functionality ---
                   1146: sub sub_page_js {
                   1147:     my $request = shift;
                   1148:     $request->print(<<SUBJAVASCRIPT);
                   1149: <script type="text/javascript" language="javascript">
1.71      ng       1150:     function updateRadio(formname,id,weight) {
1.125     ng       1151: 	var gradeBox = formname["GD_BOX"+id];
                   1152: 	var radioButton = formname["RADVAL"+id];
                   1153: 	var oldpts = formname["oldpts"+id].value;
1.72      ng       1154: 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
1.71      ng       1155: 	gradeBox.value = pts;
                   1156: 	var resetbox = false;
                   1157: 	if (isNaN(pts) || pts < 0) {
                   1158: 	    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
                   1159: 	    for (var i=0; i<radioButton.length; i++) {
                   1160: 		if (radioButton[i].checked) {
                   1161: 		    gradeBox.value = i;
                   1162: 		    resetbox = true;
                   1163: 		}
                   1164: 	    }
                   1165: 	    if (!resetbox) {
                   1166: 		formtextbox.value = "";
                   1167: 	    }
                   1168: 	    return;
1.44      ng       1169: 	}
1.71      ng       1170: 
                   1171: 	if (pts > weight) {
                   1172: 	    var resp = confirm("You entered a value ("+pts+
                   1173: 			       ") greater than the weight for the part. Accept?");
                   1174: 	    if (resp == false) {
1.125     ng       1175: 		gradeBox.value = oldpts;
1.71      ng       1176: 		return;
                   1177: 	    }
1.44      ng       1178: 	}
1.13      albertel 1179: 
1.71      ng       1180: 	for (var i=0; i<radioButton.length; i++) {
                   1181: 	    radioButton[i].checked=false;
                   1182: 	    if (pts == i && pts != "") {
                   1183: 		radioButton[i].checked=true;
                   1184: 	    }
                   1185: 	}
                   1186: 	updateSelect(formname,id);
1.125     ng       1187: 	formname["stores"+id].value = "0";
1.41      ng       1188:     }
1.5       albertel 1189: 
1.72      ng       1190:     function writeBox(formname,id,pts) {
1.125     ng       1191: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1192: 	if (checkSolved(formname,id) == 'update') {
                   1193: 	    gradeBox.value = pts;
                   1194: 	} else {
1.125     ng       1195: 	    var oldpts = formname["oldpts"+id].value;
1.72      ng       1196: 	    gradeBox.value = oldpts;
1.125     ng       1197: 	    var radioButton = formname["RADVAL"+id];
1.71      ng       1198: 	    for (var i=0; i<radioButton.length; i++) {
                   1199: 		radioButton[i].checked=false;
1.72      ng       1200: 		if (i == oldpts) {
1.71      ng       1201: 		    radioButton[i].checked=true;
                   1202: 		}
                   1203: 	    }
1.41      ng       1204: 	}
1.125     ng       1205: 	formname["stores"+id].value = "0";
1.71      ng       1206: 	updateSelect(formname,id);
                   1207: 	return;
1.41      ng       1208:     }
1.44      ng       1209: 
1.71      ng       1210:     function clearRadBox(formname,id) {
                   1211: 	if (checkSolved(formname,id) == 'noupdate') {
                   1212: 	    updateSelect(formname,id);
                   1213: 	    return;
                   1214: 	}
1.125     ng       1215: 	gradeSelect = formname["GD_SEL"+id];
1.71      ng       1216: 	for (var i=0; i<gradeSelect.length; i++) {
                   1217: 	    if (gradeSelect[i].selected) {
                   1218: 		var selectx=i;
                   1219: 	    }
                   1220: 	}
1.125     ng       1221: 	var stores = formname["stores"+id];
1.71      ng       1222: 	if (selectx == stores.value) { return };
1.125     ng       1223: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1224: 	gradeBox.value = "";
1.125     ng       1225: 	var radioButton = formname["RADVAL"+id];
1.71      ng       1226: 	for (var i=0; i<radioButton.length; i++) {
                   1227: 	    radioButton[i].checked=false;
                   1228: 	}
                   1229: 	stores.value = selectx;
                   1230:     }
1.5       albertel 1231: 
1.71      ng       1232:     function checkSolved(formname,id) {
1.125     ng       1233: 	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
1.118     ng       1234: 	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
                   1235: 	    if (!reply) {return "noupdate";}
1.120     ng       1236: 	    formname.overRideScore.value = 'yes';
1.41      ng       1237: 	}
1.71      ng       1238: 	return "update";
1.13      albertel 1239:     }
1.71      ng       1240: 
                   1241:     function updateSelect(formname,id) {
1.125     ng       1242: 	formname["GD_SEL"+id][0].selected = true;
1.71      ng       1243: 	return;
1.41      ng       1244:     }
1.33      ng       1245: 
1.121     ng       1246: //=========== Check that a point is assigned for all the parts  ============
1.71      ng       1247:     function checksubmit(formname,val,total,parttot) {
1.121     ng       1248: 	formname.gradeOpt.value = val;
1.71      ng       1249: 	if (val == "Save & Next") {
                   1250: 	    for (i=0;i<=total;i++) {
                   1251: 		for (j=0;j<parttot;j++) {
1.125     ng       1252: 		    var partid = formname["partid"+i+"_"+j].value;
1.127     ng       1253: 		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1254: 			var points = formname["GD_BOX"+i+"_"+partid].value;
1.71      ng       1255: 			if (points == "") {
1.125     ng       1256: 			    var name = formname["name"+i].value;
1.129     ng       1257: 			    var studentID = (name != '' ? name : formname["unamedom"+i].value);
                   1258: 			    var resp = confirm("You did not assign a score for "+studentID+
                   1259: 					       ", part "+partid+". Continue?");
1.71      ng       1260: 			    if (resp == false) {
1.125     ng       1261: 				formname["GD_BOX"+i+"_"+partid].focus();
1.71      ng       1262: 				return false;
                   1263: 			    }
                   1264: 			}
                   1265: 		    }
                   1266: 		    
                   1267: 		}
                   1268: 	    }
                   1269: 	    
                   1270: 	}
1.121     ng       1271: 	if (val == "Grade Student") {
                   1272: 	    formname.showgrading.value = "yes";
                   1273: 	    if (formname.Status.value == "") {
                   1274: 		formname.Status.value = "Active";
                   1275: 	    }
                   1276: 	    formname.studentNo.value = total;
                   1277: 	}
1.120     ng       1278: 	formname.submit();
                   1279:     }
                   1280: 
1.71      ng       1281: //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
                   1282:     function checkSubmitPage(formname,total) {
                   1283: 	noscore = new Array(100);
                   1284: 	var ptr = 0;
                   1285: 	for (i=1;i<total;i++) {
1.125     ng       1286: 	    var partid = formname["q_"+i].value;
1.127     ng       1287: 	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1288: 		var points = formname["GD_BOX"+i+"_"+partid].value;
                   1289: 		var status = formname["solved"+i+"_"+partid].value;
1.71      ng       1290: 		if (points == "" && status != "correct_by_student") {
                   1291: 		    noscore[ptr] = i;
                   1292: 		    ptr++;
                   1293: 		}
                   1294: 	    }
                   1295: 	}
                   1296: 	if (ptr != 0) {
                   1297: 	    var sense = ptr == 1 ? ": " : "s: ";
                   1298: 	    var prolist = "";
                   1299: 	    if (ptr == 1) {
                   1300: 		prolist = noscore[0];
                   1301: 	    } else {
                   1302: 		var i = 0;
                   1303: 		while (i < ptr-1) {
                   1304: 		    prolist += noscore[i]+", ";
                   1305: 		    i++;
                   1306: 		}
                   1307: 		prolist += "and "+noscore[i];
                   1308: 	    }
                   1309: 	    var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
                   1310: 	    if (resp == false) {
                   1311: 		return false;
                   1312: 	    }
                   1313: 	}
1.45      ng       1314: 
1.71      ng       1315: 	formname.submit();
                   1316:     }
                   1317: </script>
                   1318: SUBJAVASCRIPT
                   1319: }
1.45      ng       1320: 
1.71      ng       1321: #--- javascript for essay type problem --
                   1322: sub sub_page_kw_js {
                   1323:     my $request = shift;
1.80      ng       1324:     my $iconpath = $request->dir_config('lonIconsURL');
1.118     ng       1325:     &commonJSfunctions($request);
1.350     albertel 1326: 
1.351     albertel 1327:     my $inner_js_msg_central=<<INNERJS;
1.350     albertel 1328:     <script text="text/javascript">
                   1329:     function checkInput() {
                   1330:       opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);
                   1331:       var nmsg   = opener.document.SCORE.savemsgN.value;
                   1332:       var usrctr = document.msgcenter.usrctr.value;
                   1333:       var newval = opener.document.SCORE["newmsg"+usrctr];
                   1334:       newval.value = opener.checkEntities(document.msgcenter.newmsg.value);
                   1335: 
                   1336:       var msgchk = "";
                   1337:       if (document.msgcenter.subchk.checked) {
                   1338:          msgchk = "msgsub,";
                   1339:       }
                   1340:       var includemsg = 0;
                   1341:       for (var i=1; i<=nmsg; i++) {
                   1342:           var opnmsg = opener.document.SCORE["savemsg"+i];
                   1343:           var frmmsg = document.msgcenter["msg"+i];
                   1344:           opnmsg.value = opener.checkEntities(frmmsg.value);
                   1345:           var showflg = opener.document.SCORE["shownOnce"+i];
                   1346:           showflg.value = "1";
                   1347:           var chkbox = document.msgcenter["msgn"+i];
                   1348:           if (chkbox.checked) {
                   1349:              msgchk += "savemsg"+i+",";
                   1350:              includemsg = 1;
                   1351:           }
                   1352:       }
                   1353:       if (document.msgcenter.newmsgchk.checked) {
                   1354:          msgchk += "newmsg"+usrctr;
                   1355:          includemsg = 1;
                   1356:       }
                   1357:       imgformname = opener.document.SCORE["mailicon"+usrctr];
                   1358:       imgformname.src = "$iconpath/"+((includemsg) ? "mailto.gif" : "mailbkgrd.gif");
                   1359:       var includemsg = opener.document.SCORE["includemsg"+usrctr];
                   1360:       includemsg.value = msgchk;
                   1361: 
                   1362:       self.close()
                   1363: 
                   1364:     }
                   1365:     </script>
                   1366: INNERJS
                   1367: 
1.351     albertel 1368:     my $inner_js_highlight_central=<<INNERJS;
                   1369:  <script type="text/javascript">
                   1370:     function updateChoice(flag) {
                   1371:       opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);
                   1372:       opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);
                   1373:       opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);
                   1374:       opener.document.SCORE.refresh.value = "on";
                   1375:       if (opener.document.SCORE.keywords.value!=""){
                   1376:          opener.document.SCORE.submit();
                   1377:       }
                   1378:       self.close()
                   1379:     }
                   1380: </script>
                   1381: INNERJS
                   1382: 
                   1383:     my $start_page_msg_central = 
                   1384:         &Apache::loncommon::start_page('Message Central',$inner_js_msg_central,
                   1385: 				       {'js_ready'  => 1,
                   1386: 					'only_body' => 1,
                   1387: 					'bgcolor'   =>'#FFFFFF',});
                   1388:     my $end_page_msg_central = 
                   1389: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1390: 
                   1391: 
                   1392:     my $start_page_highlight_central = 
                   1393:         &Apache::loncommon::start_page('Highlight Central',
                   1394: 				       $inner_js_highlight_central,
1.350     albertel 1395: 				       {'js_ready'  => 1,
                   1396: 					'only_body' => 1,
                   1397: 					'bgcolor'   =>'#FFFFFF',});
1.351     albertel 1398:     my $end_page_highlight_central = 
1.350     albertel 1399: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1400: 
1.219     www      1401:     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.236     albertel 1402:     $docopen=~s/^document\.//;
1.71      ng       1403:     $request->print(<<SUBJAVASCRIPT);
                   1404: <script type="text/javascript" language="javascript">
1.45      ng       1405: 
1.44      ng       1406: //===================== Show list of keywords ====================
1.122     ng       1407:   function keywords(formname) {
                   1408:     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
1.44      ng       1409:     if (nret==null) return;
1.122     ng       1410:     formname.keywords.value = nret;
1.44      ng       1411: 
1.122     ng       1412:     if (formname.keywords.value != "") {
1.128     ng       1413: 	formname.refresh.value = "on";
1.122     ng       1414: 	formname.submit();
1.44      ng       1415:     }
                   1416:     return;
                   1417:   }
                   1418: 
                   1419: //===================== Script to view submitted by ==================
                   1420:   function viewSubmitter(submitter) {
                   1421:     document.SCORE.refresh.value = "on";
                   1422:     document.SCORE.NCT.value = "1";
                   1423:     document.SCORE.unamedom0.value = submitter;
                   1424:     document.SCORE.submit();
                   1425:     return;
                   1426:   }
                   1427: 
                   1428: //===================== Script to add keyword(s) ==================
                   1429:   function getSel() {
                   1430:     if (document.getSelection) txt = document.getSelection();
                   1431:     else if (document.selection) txt = document.selection.createRange().text;
                   1432:     else return;
                   1433:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
                   1434:     if (cleantxt=="") {
1.46      ng       1435: 	alert("Please select a word or group of words from document and then click this link.");
1.44      ng       1436: 	return;
                   1437:     }
                   1438:     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
                   1439:     if (nret==null) return;
1.127     ng       1440:     document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
1.44      ng       1441:     if (document.SCORE.keywords.value != "") {
1.127     ng       1442: 	document.SCORE.refresh.value = "on";
1.44      ng       1443: 	document.SCORE.submit();
                   1444:     }
                   1445:     return;
                   1446:   }
                   1447: 
                   1448: //====================== Script for composing message ==============
1.80      ng       1449:    // preload images
                   1450:    img1 = new Image();
                   1451:    img1.src = "$iconpath/mailbkgrd.gif";
                   1452:    img2 = new Image();
                   1453:    img2.src = "$iconpath/mailto.gif";
                   1454: 
1.44      ng       1455:   function msgCenter(msgform,usrctr,fullname) {
                   1456:     var Nmsg  = msgform.savemsgN.value;
                   1457:     savedMsgHeader(Nmsg,usrctr,fullname);
                   1458:     var subject = msgform.msgsub.value;
1.127     ng       1459:     var msgchk = document.SCORE["includemsg"+usrctr].value;
1.44      ng       1460:     re = /msgsub/;
                   1461:     var shwsel = "";
                   1462:     if (re.test(msgchk)) { shwsel = "checked" }
1.123     ng       1463:     subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
                   1464:     displaySubject(checkEntities(subject),shwsel);
1.44      ng       1465:     for (var i=1; i<=Nmsg; i++) {
1.123     ng       1466: 	var testmsg = "savemsg"+i+",";
                   1467: 	re = new RegExp(testmsg,"g");
1.44      ng       1468: 	shwsel = "";
                   1469: 	if (re.test(msgchk)) { shwsel = "checked" }
1.125     ng       1470: 	var message = document.SCORE["savemsg"+i].value;
1.126     ng       1471: 	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
1.123     ng       1472: 	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
                   1473: 	                                   //any &lt; is already converted to <, etc. However, only once!!
1.44      ng       1474:     }
1.125     ng       1475:     newmsg = document.SCORE["newmsg"+usrctr].value;
1.44      ng       1476:     shwsel = "";
                   1477:     re = /newmsg/;
                   1478:     if (re.test(msgchk)) { shwsel = "checked" }
                   1479:     newMsg(newmsg,shwsel);
                   1480:     msgTail(); 
                   1481:     return;
                   1482:   }
                   1483: 
1.123     ng       1484:   function checkEntities(strx) {
                   1485:     if (strx.length == 0) return strx;
                   1486:     var orgStr = ["&", "<", ">", '"']; 
                   1487:     var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
                   1488:     var counter = 0;
                   1489:     while (counter < 4) {
                   1490: 	strx = strReplace(strx,orgStr[counter],newStr[counter]);
                   1491: 	counter++;
                   1492:     }
                   1493:     return strx;
                   1494:   }
                   1495: 
                   1496:   function strReplace(strx, orgStr, newStr) {
                   1497:     return strx.split(orgStr).join(newStr);
                   1498:   }
                   1499: 
1.44      ng       1500:   function savedMsgHeader(Nmsg,usrctr,fullname) {
1.76      ng       1501:     var height = 70*Nmsg+250;
1.44      ng       1502:     var scrollbar = "no";
                   1503:     if (height > 600) {
                   1504: 	height = 600;
                   1505: 	scrollbar = "yes";
                   1506:     }
1.118     ng       1507:     var xpos = (screen.width-600)/2;
                   1508:     xpos = (xpos < 0) ? '0' : xpos;
                   1509:     var ypos = (screen.height-height)/2-30;
                   1510:     ypos = (ypos < 0) ? '0' : ypos;
                   1511: 
1.206     albertel 1512:     pWin = window.open('', 'MessageCenter', 'resizable=yes,toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
1.76      ng       1513:     pWin.focus();
                   1514:     pDoc = pWin.document;
1.219     www      1515:     pDoc.$docopen;
1.351     albertel 1516:     pDoc.write('$start_page_msg_central');
1.76      ng       1517: 
                   1518:     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
                   1519:     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
1.465     albertel 1520:     pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Compose Message for \"+fullname+\"<\\/span><\\/h3><br /><br />");
1.76      ng       1521: 
                   1522:     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1523:     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
1.465     albertel 1524:     pDoc.write("<td><b>Type<\\/b><\\/td><td><b>Include<\\/b><\\/td><td><b>Message<\\/td><\\/tr>");
1.44      ng       1525: }
                   1526:     function displaySubject(msg,shwsel) {
1.76      ng       1527:     pDoc = pWin.document;
                   1528:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.465     albertel 1529:     pDoc.write("<td>Subject<\\/td>");
                   1530:     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1531:     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"><\\/td><\\/tr>");
1.44      ng       1532: }
                   1533: 
1.72      ng       1534:   function displaySavedMsg(ctr,msg,shwsel) {
1.76      ng       1535:     pDoc = pWin.document;
                   1536:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.465     albertel 1537:     pDoc.write("<td align=\\"center\\">"+ctr+"<\\/td>");
                   1538:     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1539:     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"<\\/textarea><\\/td><\\/tr>");
1.44      ng       1540: }
                   1541: 
                   1542:   function newMsg(newmsg,shwsel) {
1.76      ng       1543:     pDoc = pWin.document;
                   1544:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
1.465     albertel 1545:     pDoc.write("<td align=\\"center\\">New<\\/td>");
                   1546:     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"><\\/td>");
                   1547:     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"<\\/textarea><\\/td><\\/tr>");
1.44      ng       1548: }
                   1549: 
                   1550:   function msgTail() {
1.76      ng       1551:     pDoc = pWin.document;
1.465     albertel 1552:     pDoc.write("<\\/table>");
                   1553:     pDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
1.76      ng       1554:     pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
1.326     albertel 1555:     pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
1.465     albertel 1556:     pDoc.write("<\\/form>");
1.351     albertel 1557:     pDoc.write('$end_page_msg_central');
1.128     ng       1558:     pDoc.close();
1.44      ng       1559: }
                   1560: 
                   1561: //====================== Script for keyword highlight options ==============
                   1562:   function kwhighlight() {
                   1563:     var kwclr    = document.SCORE.kwclr.value;
                   1564:     var kwsize   = document.SCORE.kwsize.value;
                   1565:     var kwstyle  = document.SCORE.kwstyle.value;
                   1566:     var redsel = "";
                   1567:     var grnsel = "";
                   1568:     var blusel = "";
                   1569:     if (kwclr=="red")   {var redsel="checked"};
                   1570:     if (kwclr=="green") {var grnsel="checked"};
                   1571:     if (kwclr=="blue")  {var blusel="checked"};
                   1572:     var sznsel = "";
                   1573:     var sz1sel = "";
                   1574:     var sz2sel = "";
                   1575:     if (kwsize=="0")  {var sznsel="checked"};
                   1576:     if (kwsize=="+1") {var sz1sel="checked"};
                   1577:     if (kwsize=="+2") {var sz2sel="checked"};
                   1578:     var synsel = "";
                   1579:     var syisel = "";
                   1580:     var sybsel = "";
                   1581:     if (kwstyle=="")    {var synsel="checked"};
                   1582:     if (kwstyle=="<i>") {var syisel="checked"};
                   1583:     if (kwstyle=="<b>") {var sybsel="checked"};
                   1584:     highlightCentral();
                   1585:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
                   1586:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
                   1587:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
                   1588:     highlightend();
                   1589:     return;
                   1590:   }
                   1591: 
                   1592:   function highlightCentral() {
1.76      ng       1593: //    if (window.hwdWin) window.hwdWin.close();
1.118     ng       1594:     var xpos = (screen.width-400)/2;
                   1595:     xpos = (xpos < 0) ? '0' : xpos;
                   1596:     var ypos = (screen.height-330)/2-30;
                   1597:     ypos = (ypos < 0) ? '0' : ypos;
                   1598: 
1.206     albertel 1599:     hwdWin = window.open('', 'KeywordHighlightCentral', 'resizeable=yes,toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
1.76      ng       1600:     hwdWin.focus();
                   1601:     var hDoc = hwdWin.document;
1.219     www      1602:     hDoc.$docopen;
1.351     albertel 1603:     hDoc.write('$start_page_highlight_central');
1.76      ng       1604:     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
1.465     albertel 1605:     hDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Keyword Highlight Options<\\/span><\\/h3><br /><br />");
1.76      ng       1606: 
                   1607:     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1608:     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
1.465     albertel 1609:     hDoc.write("<td><b>Text Color<\\/b><\\/td><td><b>Font Size<\\/b><\\/td><td><b>Font Style<\\/td><\\/tr>");
1.44      ng       1610:   }
                   1611: 
                   1612:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
1.76      ng       1613:     var hDoc = hwdWin.document;
                   1614:     hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1615:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1616:     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"<\\/td>");
1.76      ng       1617:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1618:     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"<\\/td>");
1.76      ng       1619:     hDoc.write("<td align=\\"left\\">");
1.465     albertel 1620:     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"<\\/td>");
                   1621:     hDoc.write("<\\/tr>");
1.44      ng       1622:   }
                   1623: 
                   1624:   function highlightend() { 
1.76      ng       1625:     var hDoc = hwdWin.document;
1.465     albertel 1626:     hDoc.write("<\\/table>");
                   1627:     hDoc.write("<\\/td><\\/tr><\\/table>&nbsp;");
1.76      ng       1628:     hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
1.326     albertel 1629:     hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
1.465     albertel 1630:     hDoc.write("<\\/form>");
1.351     albertel 1631:     hDoc.write('$end_page_highlight_central');
1.128     ng       1632:     hDoc.close();
1.44      ng       1633:   }
                   1634: 
                   1635: </script>
                   1636: SUBJAVASCRIPT
                   1637: }
                   1638: 
1.349     albertel 1639: sub get_increment {
1.348     bowersj2 1640:     my $increment = $env{'form.increment'};
                   1641:     if ($increment != 1 && $increment != .5 && $increment != .25 &&
                   1642:         $increment != .1) {
                   1643:         $increment = 1;
                   1644:     }
                   1645:     return $increment;
                   1646: }
                   1647: 
1.71      ng       1648: #--- displays the grading box, used in essay type problem and grading by page/sequence
                   1649: sub gradeBox {
1.322     albertel 1650:     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
1.381     albertel 1651:     my $checkIcon = '<img alt="'.&mt('Check Mark').
1.485     albertel 1652: 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
1.71      ng       1653:     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
1.466     albertel 1654:     my $wgtmsg = ($wgt > 0) ? &mt('(problem weight)') 
                   1655:                            : '<span class="LC_info">'.&mt('problem weight assigned by computer').'</span>';
1.71      ng       1656:     $wgt       = ($wgt > 0 ? $wgt : '1');
                   1657:     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
1.320     albertel 1658: 		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
1.71      ng       1659:     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
1.466     albertel 1660:     my $display_part= &get_display_part($partid,$symb);
1.270     albertel 1661:     my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   1662: 				       [$partid]);
                   1663:     my $aggtries = $$record{'resource.'.$partid.'.tries'};
1.269     raeburn  1664:     if ($last_resets{$partid}) {
                   1665:         $aggtries = &get_num_tries($record,$last_resets{$partid},$partid);
                   1666:     }
1.485     albertel 1667:     $result.='<table border="0"><tr>';
1.71      ng       1668:     my $ctr = 0;
1.348     bowersj2 1669:     my $thisweight = 0;
1.349     albertel 1670:     my $increment = &get_increment();
1.485     albertel 1671: 
                   1672:     my $radio.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
1.348     bowersj2 1673:     while ($thisweight<=$wgt) {
1.485     albertel 1674: 	$radio.= '<td><span style="white-space: nowrap;"><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
1.71      ng       1675: 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
1.348     bowersj2 1676: 	    $thisweight.')" value="'.$thisweight.'" '.
1.401     albertel 1677: 	    ($score eq $thisweight ? 'checked="checked"':'').' /> '.$thisweight."</label></span></td>\n";
1.485     albertel 1678: 	$radio.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
1.348     bowersj2 1679:         $thisweight += $increment;
1.71      ng       1680: 	$ctr++;
                   1681:     }
1.485     albertel 1682:     $radio.='</tr></table>';
                   1683: 
                   1684:     my $line.='<input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
1.71      ng       1685: 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
                   1686: 	'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
                   1687: 	$wgt.')" /></td>'."\n";
1.485     albertel 1688:     $line.='<td>/'.$wgt.' '.$wgtmsg.
1.71      ng       1689: 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
                   1690: 	' </td><td>'."\n";
1.485     albertel 1691:     $line.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
1.71      ng       1692: 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
                   1693:     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
1.485     albertel 1694: 	$line.='<option></option>'.
                   1695: 	    '<option value="excused" selected="selected">'.&mt('excused').'</option>';
1.71      ng       1696:     } else {
1.485     albertel 1697: 	$line.='<option selected="selected"></option>'.
                   1698: 	    '<option value="excused" >'.&mt('excused').'</option>';
1.71      ng       1699:     }
1.485     albertel 1700:     $line.='<option value="reset status">'.&mt('reset status').'</option></select>'."\n";
                   1701: 
                   1702: 
                   1703:     $result .= 
                   1704: 	&mt('<td><b>Part:</b></td><td>[_1]</td><td><b>Points:</b></td><td>[_2]</td><td>or</td><td>[_3]</td>',$display_part,$radio,$line);
                   1705: 
                   1706:     
                   1707:     $result.='</tr></table>'."\n";
1.71      ng       1708:     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
                   1709: 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
                   1710: 	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
1.269     raeburn  1711: 	$$record{'resource.'.$partid.'.solved'}.'" />'."\n".
                   1712:         '<input type="hidden" name="totaltries'.$counter.'_'.$partid.'" value="'.
                   1713:         $$record{'resource.'.$partid.'.tries'}.'" />'."\n".
                   1714:         '<input type="hidden" name="aggtries'.$counter.'_'.$partid.'" value="'.
                   1715:         $aggtries.'" />'."\n";
1.323     banghart 1716:     $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record);
1.318     banghart 1717:     return $result;
                   1718: }
1.322     albertel 1719: 
                   1720: sub handback_box {
1.323     banghart 1721:     my ($symb,$uname,$udom,$counter,$partid,$record) = @_;
1.324     albertel 1722:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.323     banghart 1723:     my (@respids);
1.375     albertel 1724:      my @part_response_id = &flatten_responseType($responseType);
                   1725:     foreach my $part_response_id (@part_response_id) {
                   1726:     	my ($part,$resp) = @{ $part_response_id };
1.323     banghart 1727:         if ($part eq $partid) {
1.375     albertel 1728:             push(@respids,$resp);
1.323     banghart 1729:         }
                   1730:     }
1.318     banghart 1731:     my $result;
1.323     banghart 1732:     foreach my $respid (@respids) {
1.322     albertel 1733: 	my $prefix = $counter.'_'.$partid.'_'.$respid.'_';
                   1734: 	my $files=&get_submitted_files($udom,$uname,$partid,$respid,$record);
                   1735: 	next if (!@$files);
                   1736: 	my $file_counter = 1;
1.313     banghart 1737: 	foreach my $file (@$files) {
1.368     banghart 1738: 	    if ($file =~ /\/portfolio\//) {
                   1739:     	        my ($file_path, $file_disp) = ($file =~ m|(.+/)(.+)$|);
                   1740:     	        my ($name,$version,$ext) = &file_name_version_ext($file_disp);
                   1741:     	        $file_disp = "$name.$ext";
                   1742:     	        $file = $file_path.$file_disp;
                   1743:     	        $result.=&mt('Return commented version of [_1] to student.',
                   1744:     			 '<span class="LC_filename">'.$file_disp.'</span>');
                   1745:     	        $result.='<input type="file"   name="'.$prefix.'returndoc'.$file_counter.'" />'."\n";
                   1746:     	        $result.='<input type="hidden" name="'.$prefix.'origdoc'.$file_counter.'" value="'.$file.'" /><br />';
1.485     albertel 1747:     	        $result.='('.&mt('File will be uploaded when you click on Save &amp; Next below.').')<br />';
1.368     banghart 1748:     	        $file_counter++;
                   1749: 	    }
1.322     albertel 1750: 	}
1.313     banghart 1751:     }
1.318     banghart 1752:     return $result;    
1.71      ng       1753: }
1.44      ng       1754: 
1.58      albertel 1755: sub show_problem {
1.382     albertel 1756:     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode,$form) = @_;
1.144     albertel 1757:     my $rendered;
1.382     albertel 1758:     my %form = ((ref($form) eq 'HASH')? %{$form} : ());
1.329     albertel 1759:     &Apache::lonxml::remember_problem_counter();
1.144     albertel 1760:     if ($mode eq 'both' or $mode eq 'text') {
                   1761: 	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
1.382     albertel 1762: 						       $env{'request.course.id'},
                   1763: 						       undef,\%form);
1.144     albertel 1764:     }
1.58      albertel 1765:     if ($removeform) {
                   1766: 	$rendered=~s|<form(.*?)>||g;
                   1767: 	$rendered=~s|</form>||g;
1.374     albertel 1768: 	$rendered=~s|(<input[^>]*name\s*=\s*"?)(\w+)("?)|$1would_have_been_$2$3|g;
1.58      albertel 1769:     }
1.144     albertel 1770:     my $companswer;
                   1771:     if ($mode eq 'both' or $mode eq 'answer') {
1.329     albertel 1772: 	&Apache::lonxml::restore_problem_counter();
1.382     albertel 1773: 	$companswer=
                   1774: 	    &Apache::loncommon::get_student_answers($symb,$uname,$udom,
                   1775: 						    $env{'request.course.id'},
                   1776: 						    %form);
1.144     albertel 1777:     }
1.58      albertel 1778:     if ($removeform) {
                   1779: 	$companswer=~s|<form(.*?)>||g;
                   1780: 	$companswer=~s|</form>||g;
1.144     albertel 1781: 	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
1.58      albertel 1782:     }
1.468     albertel 1783:     $rendered=
                   1784: 	'<div class="LC_grade_show_problem_header">'.
                   1785: 	&mt('View of the problem').
                   1786: 	'</div><div class="LC_grade_show_problem_problem">'.
                   1787: 	$rendered.
                   1788: 	'</div>';
                   1789:     $companswer=
                   1790: 	'<div class="LC_grade_show_problem_header">'.
                   1791: 	&mt('Correct answer').
                   1792: 	'</div><div class="LC_grade_show_problem_problem">'.
                   1793: 	$companswer.
                   1794: 	'</div>';
                   1795:     my $result;
1.144     albertel 1796:     if ($mode eq 'both') {
1.468     albertel 1797: 	$result=$rendered.$companswer;
1.144     albertel 1798:     } elsif ($mode eq 'text') {
1.468     albertel 1799: 	$result=$rendered;
1.144     albertel 1800:     } elsif ($mode eq 'answer') {
1.468     albertel 1801: 	$result=$companswer;
1.144     albertel 1802:     }
1.468     albertel 1803:     $result='<div class="LC_grade_show_problem">'.$result.'</div>';
1.71      ng       1804:     return $result;
1.58      albertel 1805: }
1.397     albertel 1806: 
1.396     banghart 1807: sub files_exist {
                   1808:     my ($r, $symb) = @_;
                   1809:     my @students = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.397     albertel 1810: 
1.396     banghart 1811:     foreach my $student (@students) {
                   1812:         my ($uname,$udom,$fullname) = split(/:/,$student);
1.397     albertel 1813:         my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   1814: 					      $udom,$uname);
1.396     banghart 1815:         my ($string,$timestamp)= &get_last_submission(\%record);
1.397     albertel 1816:         foreach my $submission (@$string) {
                   1817:             my ($partid,$respid) =
                   1818: 		($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
                   1819:             my $files=&get_submitted_files($udom,$uname,$partid,$respid,
                   1820: 					   \%record);
                   1821:             return 1 if (@$files);
1.396     banghart 1822:         }
                   1823:     }
1.397     albertel 1824:     return 0;
1.396     banghart 1825: }
1.397     albertel 1826: 
1.394     banghart 1827: sub download_all_link {
                   1828:     my ($r,$symb) = @_;
1.395     albertel 1829:     my $all_students = 
                   1830: 	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
                   1831: 
                   1832:     my $parts =
                   1833: 	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
                   1834: 
1.394     banghart 1835:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1836:     &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students,
                   1837:                             'cgi.'.$identifier.'.symb' => $symb,
1.395     albertel 1838:                             'cgi.'.$identifier.'.parts' => $parts,);
                   1839:     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
                   1840: 	      &mt('Download All Submitted Documents').'</a>');
1.394     banghart 1841:     return
                   1842: }
1.395     albertel 1843: 
1.432     banghart 1844: sub build_section_inputs {
                   1845:     my $section_inputs;
                   1846:     if ($env{'form.section'} eq '') {
                   1847:         $section_inputs .= '<input type="hidden" name="section" value="all" />'."\n";
                   1848:     } else {
                   1849:         my @sections = &Apache::loncommon::get_env_multiple('form.section');
1.434     albertel 1850:         foreach my $section (@sections) {
1.432     banghart 1851:             $section_inputs .= '<input type="hidden" name="section" value="'.$section.'" />'."\n";
                   1852:         }
                   1853:     }
                   1854:     return $section_inputs;
                   1855: }
                   1856: 
1.44      ng       1857: # --------------------------- show submissions of a student, option to grade 
                   1858: sub submission {
                   1859:     my ($request,$counter,$total) = @_;
1.257     albertel 1860:     my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
                   1861:     $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
                   1862:     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
                   1863:     $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq '';
1.324     albertel 1864:     my $symb = &get_symb($request); 
                   1865:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
1.104     albertel 1866: 
                   1867:     if (!&canview($usec)) {
1.398     albertel 1868: 	$request->print('<span class="LC_warning">Unable to view requested student.('.
                   1869: 			$uname.':'.$udom.' in section '.$usec.' in course id '.
                   1870: 			$env{'request.course.id'}.')</span>');
1.324     albertel 1871: 	$request->print(&show_grading_menu_form($symb));
1.104     albertel 1872: 	return;
                   1873:     }
                   1874: 
1.257     albertel 1875:     if (!$env{'form.lastSub'}) { $env{'form.lastSub'} = 'datesub'; }
                   1876:     if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; }
                   1877:     if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; }
                   1878:     my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.381     albertel 1879:     my $checkIcon = '<img alt="'.&mt('Check Mark').
                   1880: 	'" src="'.$request->dir_config('lonIconsURL').
1.122     ng       1881: 	'/check.gif" height="16" border="0" />';
1.41      ng       1882: 
1.426     albertel 1883:     my %old_essays;
1.41      ng       1884:     # header info
                   1885:     if ($counter == 0) {
                   1886: 	&sub_page_js($request);
1.257     albertel 1887: 	&sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes');
                   1888: 	$env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
                   1889: 	    &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
1.397     albertel 1890: 	if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) {
1.396     banghart 1891: 	    &download_all_link($request, $symb);
                   1892: 	}
1.485     albertel 1893: 	$request->print('<h3>&nbsp;<span class="LC_info">'.&mt('Submission Record').'</span></h3>'."\n".
                   1894: 			'<h4>&nbsp;'.&mt('<b>Resource: </b> [_1]',$env{'form.probTitle'}).'</h4>'."\n");
1.118     ng       1895: 
1.44      ng       1896: 	# option to display problem, only once else it cause problems 
                   1897:         # with the form later since the problem has a form.
1.257     albertel 1898: 	if ($env{'form.vProb'} eq 'yes' or $env{'form.vAns'} eq 'yes') {
1.144     albertel 1899: 	    my $mode;
1.257     albertel 1900: 	    if ($env{'form.vProb'} eq 'yes' && $env{'form.vAns'} eq 'yes') {
1.144     albertel 1901: 		$mode='both';
1.257     albertel 1902: 	    } elsif ($env{'form.vProb'} eq 'yes') {
1.144     albertel 1903: 		$mode='text';
1.257     albertel 1904: 	    } elsif ($env{'form.vAns'} eq 'yes') {
1.144     albertel 1905: 		$mode='answer';
                   1906: 	    }
1.329     albertel 1907: 	    &Apache::lonxml::clear_problem_counter();
1.144     albertel 1908: 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
1.41      ng       1909: 	}
1.441     www      1910: 
1.44      ng       1911: 	# kwclr is the only variable that is guaranteed to be non blank 
                   1912:         # if this subroutine has been called once.
1.41      ng       1913: 	my %keyhash = ();
1.257     albertel 1914: 	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
1.41      ng       1915: 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel 1916: 					     $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1917: 					     $env{'course.'.$env{'request.course.id'}.'.num'});
1.41      ng       1918: 
1.257     albertel 1919: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                   1920: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                   1921: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                   1922: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                   1923: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                   1924: 	    $env{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
                   1925: 		$keyhash{$symb.'_subject'} : $env{'form.probTitle'};
                   1926: 	    $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
1.41      ng       1927: 	}
1.257     albertel 1928: 	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
1.442     banghart 1929: 	my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.303     banghart 1930: 	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
1.41      ng       1931: 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
1.257     albertel 1932: 			'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
1.442     banghart 1933: 			'<input type="hidden" name="Status"     value="'.$stu_status.'" />'."\n".
1.120     ng       1934: 			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
1.257     albertel 1935: 			'<input type="hidden" name="probTitle"  value="'.$env{'form.probTitle'}.'" />'."\n".
1.41      ng       1936: 			'<input type="hidden" name="refresh"    value="off" />'."\n".
1.120     ng       1937: 			'<input type="hidden" name="studentNo"  value="" />'."\n".
                   1938: 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
1.418     albertel 1939: 			'<input type="hidden" name="symb"       value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 1940: 			'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" />'."\n".
                   1941: 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
                   1942: 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
                   1943: 			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
1.432     banghart 1944: 			&build_section_inputs().
1.326     albertel 1945: 			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
                   1946: 			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'" />'."\n".
1.41      ng       1947: 			'<input type="hidden" name="NCT"'.
1.257     albertel 1948: 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
                   1949: 	if ($env{'form.handgrade'} eq 'yes') {
                   1950: 	    $request->print('<input type="hidden" name="keywords" value="'.$env{'form.keywords'}.'" />'."\n".
                   1951: 			    '<input type="hidden" name="kwclr"    value="'.$env{'form.kwclr'}.'" />'."\n".
                   1952: 			    '<input type="hidden" name="kwsize"   value="'.$env{'form.kwsize'}.'" />'."\n".
                   1953: 			    '<input type="hidden" name="kwstyle"  value="'.$env{'form.kwstyle'}.'" />'."\n".
                   1954: 			    '<input type="hidden" name="msgsub"   value="'.$env{'form.msgsub'}.'" />'."\n".
1.123     ng       1955: 			    '<input type="hidden" name="shownSub" value="0" />'."\n".
1.257     albertel 1956: 			    '<input type="hidden" name="savemsgN" value="'.$env{'form.savemsgN'}.'" />'."\n");
1.154     albertel 1957: 	    foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
                   1958: 		$request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
                   1959: 	    }
1.123     ng       1960: 	}
1.41      ng       1961: 	
                   1962: 	my ($cts,$prnmsg) = (1,'');
1.257     albertel 1963: 	while ($cts <= $env{'form.savemsgN'}) {
1.41      ng       1964: 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
1.123     ng       1965: 		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
1.257     albertel 1966: 		 &Apache::lonfeedback::clear_out_html($env{'form.savemsg'.$cts}) :
1.80      ng       1967: 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
1.123     ng       1968: 		'" />'."\n".
                   1969: 		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
1.41      ng       1970: 	    $cts++;
                   1971: 	}
                   1972: 	$request->print($prnmsg);
1.32      ng       1973: 
1.257     albertel 1974: 	if ($env{'form.handgrade'} eq 'yes' && $env{'form.showgrading'} eq 'yes') {
1.88      www      1975: #
                   1976: # Print out the keyword options line
                   1977: #
1.41      ng       1978: 	    $request->print(<<KEYWORDS);
1.38      ng       1979: &nbsp;<b>Keyword Options:</b>&nbsp;
1.417     albertel 1980: <a href="javascript:keywords(document.SCORE);" target="_self">List</a>&nbsp; &nbsp;
1.38      ng       1981: <a href="#" onMouseDown="javascript:getSel(); return false"
                   1982:  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
1.417     albertel 1983: <a href="javascript:kwhighlight();" target="_self">Highlight Attribute</a><br /><br />
1.38      ng       1984: KEYWORDS
1.88      www      1985: #
                   1986: # Load the other essays for similarity check
                   1987: #
1.324     albertel 1988:             my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb);
1.384     albertel 1989: 	    my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
1.359     www      1990: 	    $apath=&escape($apath);
1.88      www      1991: 	    $apath=~s/\W/\_/gs;
1.426     albertel 1992: 	    %old_essays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
1.41      ng       1993:         }
                   1994:     }
1.44      ng       1995: 
1.441     www      1996: # This is where output for one specific student would start
1.468     albertel 1997:     my $add_class = ($counter%2) ? 'LC_grade_show_user_odd_row' : '';
1.441     www      1998:     $request->print("\n\n".
1.468     albertel 1999:                     '<div class="LC_grade_show_user '.$add_class.'">'.
                   2000: 		    '<div class="LC_grade_user_name">'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'</div>'.
                   2001: 		    '<div class="LC_grade_show_user_body">'."\n");
1.441     www      2002: 
1.257     albertel 2003:     if ($env{'form.vProb'} eq 'all' or $env{'form.vAns'} eq 'all') {
1.144     albertel 2004: 	my $mode;
1.257     albertel 2005: 	if ($env{'form.vProb'} eq 'all' && $env{'form.vAns'} eq 'all') {
1.144     albertel 2006: 	    $mode='both';
1.257     albertel 2007: 	} elsif ($env{'form.vProb'} eq 'all' ) {
1.144     albertel 2008: 	    $mode='text';
1.257     albertel 2009: 	} elsif ($env{'form.vAns'} eq 'all') {
1.144     albertel 2010: 	    $mode='answer';
                   2011: 	}
1.329     albertel 2012: 	&Apache::lonxml::clear_problem_counter();
1.475     albertel 2013: 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,{'request.prefix' => 'ctr'.$counter}));
1.58      albertel 2014:     }
1.144     albertel 2015: 
1.257     albertel 2016:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.324     albertel 2017:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.41      ng       2018: 
1.44      ng       2019:     # Display student info
1.41      ng       2020:     $request->print(($counter == 0 ? '' : '<br />'));
1.468     albertel 2021:     my $result='<div class="LC_grade_submissions">';
                   2022:     
                   2023:     $result.='<div class="LC_grade_submissions_header">';
                   2024:     $result.= &mt('Submissions');
1.45      ng       2025:     $result.='<input type="hidden" name="name'.$counter.
1.257     albertel 2026: 	'" value="'.$env{'form.fullname'}.'" />'."\n";
1.469     albertel 2027:     if ($env{'form.handgrade'} eq 'no') {
                   2028: 	$result.='<span class="LC_grade_check_note">'.
                   2029: 	    &mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)."</span>\n";
                   2030: 
                   2031:     }
                   2032: 
                   2033: 
1.41      ng       2034: 
1.118     ng       2035:     # If any part of the problem is an essay-response (handgraded), then check for collaborators
1.464     albertel 2036:     my $fullname;
                   2037:     my $col_fullnames = [];
1.257     albertel 2038:     if ($env{'form.handgrade'} eq 'yes') {
1.464     albertel 2039: 	(my $sub_result,$fullname,$col_fullnames)=
                   2040: 	    &check_collaborators($symb,$uname,$udom,\%record,$handgrade,
                   2041: 				 $counter);
                   2042: 	$result.=$sub_result;
1.41      ng       2043:     }
1.44      ng       2044:     $request->print($result."\n");
1.468     albertel 2045:     $request->print('</div>'."\n");
1.44      ng       2046:     # print student answer/submission
                   2047:     # Options are (1) Handgaded submission only
                   2048:     #             (2) Last submission, includes submission that is not handgraded 
                   2049:     #                  (for multi-response type part)
                   2050:     #             (3) Last submission plus the parts info
                   2051:     #             (4) The whole record for this student
1.257     albertel 2052:     if ($env{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
1.151     albertel 2053: 	my ($string,$timestamp)= &get_last_submission(\%record);
1.468     albertel 2054: 	
                   2055: 	my $lastsubonly;
                   2056: 
1.151     albertel 2057: 	if ($$timestamp eq '') {
1.468     albertel 2058: 	    $lastsubonly.='<div class="LC_grade_submissions_body">'.$$string[0].'</div>'; 
1.151     albertel 2059: 	} else {
1.468     albertel 2060: 	    $lastsubonly = '<div class="LC_grade_submissions_body"> <b>Date Submitted:</b> '.$$timestamp."\n";
                   2061: 
1.151     albertel 2062: 	    my %seenparts;
1.375     albertel 2063: 	    my @part_response_id = &flatten_responseType($responseType);
                   2064: 	    foreach my $part (@part_response_id) {
1.393     albertel 2065: 		next if ($env{'form.lastSub'} eq 'hdgrade' 
                   2066: 			 && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes');
                   2067: 
1.375     albertel 2068: 		my ($partid,$respid) = @{ $part };
1.324     albertel 2069: 		my $display_part=&get_display_part($partid,$symb);
1.257     albertel 2070: 		if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
1.151     albertel 2071: 		    if (exists($seenparts{$partid})) { next; }
                   2072: 		    $seenparts{$partid}=1;
1.207     albertel 2073: 		    my $submitby='<b>Part:</b> '.$display_part.
                   2074: 			' <b>Collaborative submission by:</b> '.
1.151     albertel 2075: 			'<a href="javascript:viewSubmitter(\''.
1.257     albertel 2076: 			$env{"form.$uname:$udom:$partid:submitted_by"}.
1.417     albertel 2077: 			'\');" target="_self">'.
1.257     albertel 2078: 			$$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
1.151     albertel 2079: 		    $request->print($submitby);
                   2080: 		    next;
                   2081: 		}
                   2082: 		my $responsetype = $responseType->{$partid}->{$respid};
                   2083: 		if (!exists($record{"resource.$partid.$respid.submission"})) {
1.468     albertel 2084: 		    $lastsubonly.="\n".'<div class="LC_grade_submission_part"><b>Part:</b> '.
1.398     albertel 2085: 			$display_part.' <span class="LC_internal_info">( ID '.$respid.
                   2086: 			' )</span>&nbsp; &nbsp;'.
1.468     albertel 2087: 			'<span class="LC_warning">'.&mt('Nothing submitted - no attempts').'</span><br /><br /></div>';
1.151     albertel 2088: 		    next;
                   2089: 		}
1.468     albertel 2090: 		foreach my $submission (@$string) {
                   2091: 		    my ($partid,$respid) = ($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
1.375     albertel 2092: 		    if (join('_',@{$part}) ne ($partid.'_'.$respid)) { next; }
1.468     albertel 2093: 		    my ($ressub,$subval) = split(/:/,$submission,2);
1.151     albertel 2094: 		    # Similarity check
                   2095: 		    my $similar='';
1.257     albertel 2096: 		    if($env{'form.checkPlag'}){
1.151     albertel 2097: 			my ($oname,$odom,$ocrsid,$oessay,$osim)=
1.426     albertel 2098: 			    &most_similar($uname,$udom,$subval,\%old_essays);
1.151     albertel 2099: 			if ($osim) {
                   2100: 			    $osim=int($osim*100.0);
1.426     albertel 2101: 			    my %old_course_desc = 
                   2102: 				&Apache::lonnet::coursedescription($ocrsid,
                   2103: 								   {'one_time' => 1});
                   2104: 
                   2105: 			    $similar="<hr /><h3><span class=\"LC_warning\">".
1.427     albertel 2106: 				&mt('Essay is [_1]% similar to an essay by [_2] ([_3]:[_4]) in course [_5] (course id [_6]:[_7])',
1.426     albertel 2107: 				    $osim,
                   2108: 				    &Apache::loncommon::plainname($oname,$odom),
1.427     albertel 2109: 				    $oname,$odom,
1.426     albertel 2110: 				    $old_course_desc{'description'},
1.427     albertel 2111: 				    $old_course_desc{'num'},
1.426     albertel 2112: 				    $old_course_desc{'domain'}).
1.398     albertel 2113: 				'</span></h3><blockquote><i>'.
1.151     albertel 2114: 				&keywords_highlight($oessay).
                   2115: 				'</i></blockquote><hr />';
                   2116: 			}
1.150     albertel 2117: 		    }
1.151     albertel 2118: 		    my $order=&get_order($partid,$respid,$symb,$uname,$udom);
1.257     albertel 2119: 		    if ($env{'form.lastSub'} eq 'lastonly' || 
                   2120: 			($env{'form.lastSub'} eq 'hdgrade' && 
1.377     albertel 2121: 			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
1.324     albertel 2122: 			my $display_part=&get_display_part($partid,$symb);
1.468     albertel 2123: 			$lastsubonly.='<div class="LC_grade_submission_part"><b>Part:</b> '.
1.403     albertel 2124: 			    $display_part.' <span class="LC_internal_info">( ID '.$respid.
1.398     albertel 2125: 			    ' )</span>&nbsp; &nbsp;';
1.313     banghart 2126: 			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
                   2127: 			if (@$files) {
1.468     albertel 2128: 			    $lastsubonly.='<br /><span class="LC_warning">'.&mt('Like all files provided by users, this file may contain virusses').'</span><br />';
1.303     banghart 2129: 			    my $file_counter = 0;
1.313     banghart 2130: 			    foreach my $file (@$files) {
1.468     albertel 2131: 			        $file_counter++;
1.232     albertel 2132: 				&Apache::lonnet::allowuploaded('/adm/grades',$file);
1.335     albertel 2133: 				$lastsubonly.='<br /><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
1.232     albertel 2134: 			    }
1.236     albertel 2135: 			    $lastsubonly.='<br />';
1.41      ng       2136: 			}
1.468     albertel 2137: 			$lastsubonly.='<b>'.&mt('Submitted Answer:').' </b>'.
1.151     albertel 2138: 			    &cleanRecord($subval,$responsetype,$symb,$partid,
                   2139: 					 $respid,\%record,$order);
                   2140: 			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
1.468     albertel 2141: 			$lastsubonly.='</div>';
1.41      ng       2142: 		    }
                   2143: 		}
                   2144: 	    }
1.468     albertel 2145: 	    $lastsubonly.='</div>'."\n";
1.151     albertel 2146: 	}
                   2147: 	$request->print($lastsubonly);
1.468     albertel 2148:    } elsif ($env{'form.lastSub'} eq 'datesub') {
1.324     albertel 2149: 	my (undef,$responseType,undef,$parts) = &showResourceInfo($symb);
1.148     albertel 2150: 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
1.257     albertel 2151:     } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
1.41      ng       2152: 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
1.257     albertel 2153: 								 $env{'request.course.id'},
1.44      ng       2154: 								 $last,'.submission',
                   2155: 								 'Apache::grades::keywords_highlight'));
1.41      ng       2156:     }
1.120     ng       2157: 
1.121     ng       2158:     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
                   2159: 	.$udom.'" />'."\n");
1.44      ng       2160:     # return if view submission with no grading option
1.257     albertel 2161:     if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) {
1.120     ng       2162: 	my $toGrade.='<input type="button" value="Grade Student" '.
1.121     ng       2163: 	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
1.417     albertel 2164: 	    .$counter.'\');" target="_self" /> &nbsp;'."\n" if (&canmodify($usec));
1.468     albertel 2165: 	$toGrade.='</div>'."\n";
1.257     albertel 2166: 	if (($env{'form.command'} eq 'submission') || 
                   2167: 	    ($env{'form.command'} eq 'processGroup' && $counter == $total)) {
1.324     albertel 2168: 	    $toGrade.='</form>'.&show_grading_menu_form($symb); 
1.169     albertel 2169: 	}
1.180     albertel 2170: 	$request->print($toGrade);
1.41      ng       2171: 	return;
1.180     albertel 2172:     } else {
1.468     albertel 2173: 	$request->print('</div>'."\n");
1.41      ng       2174:     }
1.33      ng       2175: 
1.121     ng       2176:     # essay grading message center
1.257     albertel 2177:     if ($env{'form.handgrade'} eq 'yes') {
1.468     albertel 2178: 	my $result='<div class="LC_grade_message_center">';
                   2179:     
                   2180: 	$result.='<div class="LC_grade_message_center_header">'.
                   2181: 	    &mt('Send Message').'</div><div class="LC_grade_message_center_body">';
1.257     albertel 2182: 	my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
1.118     ng       2183: 	my $msgfor = $givenn.' '.$lastname;
1.464     albertel 2184: 	if (scalar(@$col_fullnames) > 0) {
                   2185: 	    my $lastone = pop(@$col_fullnames);
                   2186: 	    $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.';
1.118     ng       2187: 	}
                   2188: 	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
1.468     albertel 2189: 	$result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
1.121     ng       2190: 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
                   2191: 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
1.417     albertel 2192: 	    ',\''.$msgfor.'\');" target="_self">'.
1.464     albertel 2193: 	    &mt('Compose message to student').(scalar(@$col_fullnames) >= 1 ? 's' : '').'</a><label> ('.
1.350     albertel 2194: 	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
1.118     ng       2195: 	    '<img src="'.$request->dir_config('lonIconsURL').
                   2196: 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
1.298     www      2197: 	    '<br />&nbsp;('.
1.468     albertel 2198: 	    &mt('Message will be sent when you click on Save &amp; Next below.').")\n";
                   2199: 	$result.='</div></div>';
1.121     ng       2200: 	$request->print($result);
1.118     ng       2201:     }
1.41      ng       2202: 
                   2203:     my %seen = ();
                   2204:     my @partlist;
1.129     ng       2205:     my @gradePartRespid;
1.375     albertel 2206:     my @part_response_id = &flatten_responseType($responseType);
1.468     albertel 2207:     $request->print('<div class="LC_grade_assign">'.
                   2208: 		    
                   2209: 		    '<div class="LC_grade_assign_header">'.
                   2210: 		    &mt('Assign Grades').'</div>'.
                   2211: 		    '<div class="LC_grade_assign_body">');
1.375     albertel 2212:     foreach my $part_response_id (@part_response_id) {
                   2213:     	my ($partid,$respid) = @{ $part_response_id };
                   2214: 	my $part_resp = join('_',@{ $part_response_id });
1.322     albertel 2215: 	next if ($seen{$partid} > 0);
1.41      ng       2216: 	$seen{$partid}++;
1.393     albertel 2217: 	next if ($$handgrade{$part_resp} ne 'yes' 
                   2218: 		 && $env{'form.lastSub'} eq 'hdgrade');
1.41      ng       2219: 	push @partlist,$partid;
1.129     ng       2220: 	push @gradePartRespid,$partid.'.'.$respid;
1.322     albertel 2221: 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
1.41      ng       2222:     }
1.468     albertel 2223:     $request->print('</div></div>');
                   2224: 
                   2225:     $request->print('<div class="LC_grade_info_links">');
                   2226:     if ($perm{'vgr'}) {
                   2227: 	$request->print(
                   2228: 	    &Apache::loncommon::track_student_link(&mt('View recent activity'),
                   2229: 						   $uname,$udom,'check'));
                   2230:     }
                   2231:     if ($perm{'opa'}) {
                   2232: 	$request->print(
                   2233: 	    &Apache::loncommon::pprmlink(&mt('Set/Change parameters'),
                   2234: 					 $uname,$udom,$symb,'check'));
                   2235:     }
                   2236:     $request->print('</div>');
                   2237: 
1.45      ng       2238:     $result='<input type="hidden" name="partlist'.$counter.
                   2239: 	'" value="'.(join ":",@partlist).'" />'."\n";
1.129     ng       2240:     $result.='<input type="hidden" name="gradePartRespid'.
                   2241: 	'" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
1.45      ng       2242:     my $ctr = 0;
                   2243:     while ($ctr < scalar(@partlist)) {
                   2244: 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
                   2245: 	    $partlist[$ctr].'" />'."\n";
                   2246: 	$ctr++;
                   2247:     }
1.468     albertel 2248:     $request->print($result.''."\n");
1.41      ng       2249: 
1.441     www      2250: # Done with printing info for one student
                   2251: 
1.468     albertel 2252:     $request->print('</div>');#LC_grade_show_user_body
                   2253:     $request->print('</div>');#LC_grade_show_user
1.441     www      2254: 
                   2255: 
1.41      ng       2256:     # print end of form
                   2257:     if ($counter == $total) {
1.297     www      2258: 	my $endform='<table border="0"><tr><td>'."\n";
1.485     albertel 2259: 	$endform.='<input type="button" value="'.&mt('Save &amp; Next').'" '.
1.119     ng       2260: 	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
1.417     albertel 2261: 	    $total.','.scalar(@partlist).');" target="_self" /> &nbsp;'."\n";
1.119     ng       2262: 	my $ntstu ='<select name="NTSTU">'.
                   2263: 	    '<option>1</option><option>2</option>'.
                   2264: 	    '<option>3</option><option>5</option>'.
                   2265: 	    '<option>7</option><option>10</option></select>'."\n";
1.257     albertel 2266: 	my $nsel = ($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : '1');
1.401     albertel 2267: 	$ntstu =~ s/<option>$nsel</<option selected="selected">$nsel</;
1.485     albertel 2268: 	$endform.=&mt('[_1]student(s)',$ntstu);
                   2269: 	$endform.='&nbsp;&nbsp;<input type="button" value="'.&mt('Previous').'" '.
1.417     albertel 2270: 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" target="_self" /> &nbsp;'."\n".
1.485     albertel 2271: 	    '<input type="button" value="'.&mt('Next').'" '.
1.417     albertel 2272: 	    'onClick="javascript:checksubmit(this.form,\'Next\');" target="_self" /> &nbsp;';
1.485     albertel 2273: 	$endform.=&mt('(Next and Previous (student) do not save the scores.)')."\n" ;
1.349     albertel 2274:         $endform.="<input type='hidden' value='".&get_increment().
1.348     bowersj2 2275:             "' name='increment' />";
1.485     albertel 2276: 	$endform.='</td></tr></table></form>';
1.324     albertel 2277: 	$endform.=&show_grading_menu_form($symb);
1.41      ng       2278: 	$request->print($endform);
                   2279:     }
                   2280:     return '';
1.38      ng       2281: }
                   2282: 
1.464     albertel 2283: sub check_collaborators {
                   2284:     my ($symb,$uname,$udom,$record,$handgrade,$counter) = @_;
                   2285:     my ($result,@col_fullnames);
                   2286:     my ($classlist,undef,$fullname) = &getclasslist('all','0');
                   2287:     foreach my $part (keys(%$handgrade)) {
                   2288: 	my $ncol = &Apache::lonnet::EXT('resource.'.$part.
                   2289: 					'.maxcollaborators',
                   2290: 					$symb,$udom,$uname);
                   2291: 	next if ($ncol <= 0);
                   2292: 	$part =~ s/\_/\./g;
                   2293: 	next if ($record->{'resource.'.$part.'.collaborators'} eq '');
                   2294: 	my (@good_collaborators, @bad_collaborators);
                   2295: 	foreach my $possible_collaborator
                   2296: 	    (split(/,?\s+/,$record->{'resource.'.$part.'.collaborators'})) { 
                   2297: 	    $possible_collaborator =~ s/[\$\^\(\)]//g;
                   2298: 	    next if ($possible_collaborator eq '');
                   2299: 	    my ($co_name,$co_dom) = split(/\@|:/,$possible_collaborator);
                   2300: 	    $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
                   2301: 	    next if ($co_name eq $uname && $co_dom eq $udom);
                   2302: 	    # Doing this grep allows 'fuzzy' specification
                   2303: 	    my @matches = grep(/^\Q$co_name\E:\Q$co_dom\E$/i, 
                   2304: 			       keys(%$classlist));
                   2305: 	    if (! scalar(@matches)) {
                   2306: 		push(@bad_collaborators, $possible_collaborator);
                   2307: 	    } else {
                   2308: 		push(@good_collaborators, @matches);
                   2309: 	    }
                   2310: 	}
                   2311: 	if (scalar(@good_collaborators) != 0) {
1.466     albertel 2312: 	    $result.='<br />'.&mt('Collaborators: ');
1.464     albertel 2313: 	    foreach my $name (@good_collaborators) {
                   2314: 		my ($lastname,$givenn) = split(/,/,$$fullname{$name});
                   2315: 		push(@col_fullnames, $givenn.' '.$lastname);
                   2316: 		$result.=$fullname->{$name}.'&nbsp; &nbsp; &nbsp;';
                   2317: 	    }
                   2318: 	    $result.='<br />'."\n";
1.466     albertel 2319: 	    my ($part)=split(/\./,$part);
1.464     albertel 2320: 	    $result.='<input type="hidden" name="collaborator'.$counter.
                   2321: 		'" value="'.$part.':'.(join ':',@good_collaborators).'" />'.
                   2322: 		"\n";
                   2323: 	}
                   2324: 	if (scalar(@bad_collaborators) > 0) {
1.466     albertel 2325: 	    $result.='<div class="LC_warning">';
1.464     albertel 2326: 	    $result.=&mt('This student has submitted [quant,_1,invalid collaborator]: [_2]',scalar(@bad_collaborators),join(', ',@bad_collaborators));
                   2327: 	    $result .= '</div>';
                   2328: 	}         
                   2329: 	if (scalar(@bad_collaborators > $ncol)) {
1.466     albertel 2330: 	    $result .= '<div class="LC_warning">';
1.464     albertel 2331: 	    $result .= &mt('This student has submitted too many '.
                   2332: 		'collaborators.  Maximum is [_1].',$ncol);
                   2333: 	    $result .= '</div>';
                   2334: 	}
                   2335:     }
                   2336:     return ($result,$fullname,\@col_fullnames);
                   2337: }
                   2338: 
1.44      ng       2339: #--- Retrieve the last submission for all the parts
1.38      ng       2340: sub get_last_submission {
1.119     ng       2341:     my ($returnhash)=@_;
1.46      ng       2342:     my (@string,$timestamp);
1.119     ng       2343:     if ($$returnhash{'version'}) {
1.46      ng       2344: 	my %lasthash=();
                   2345: 	my ($version);
1.119     ng       2346: 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
1.397     albertel 2347: 	    foreach my $key (sort(split(/\:/,
                   2348: 					$$returnhash{$version.':keys'}))) {
                   2349: 		$lasthash{$key}=$$returnhash{$version.':'.$key};
                   2350: 		$timestamp = 
                   2351: 		    scalar(localtime($$returnhash{$version.':timestamp'}));
1.46      ng       2352: 	    }
                   2353: 	}
1.397     albertel 2354: 	foreach my $key (keys(%lasthash)) {
                   2355: 	    next if ($key !~ /\.submission$/);
                   2356: 
                   2357: 	    my ($partid,$foo) = split(/submission$/,$key);
                   2358: 	    my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
1.398     albertel 2359: 		'<span class="LC_warning">Draft Copy</span> ' : '';
1.397     albertel 2360: 	    push(@string, join(':', $key, $draft.$lasthash{$key}));
1.41      ng       2361: 	}
                   2362:     }
1.397     albertel 2363:     if (!@string) {
                   2364: 	$string[0] =
1.398     albertel 2365: 	    '<span class="LC_warning">Nothing submitted - no attempts.</span>';
1.397     albertel 2366:     }
                   2367:     return (\@string,\$timestamp);
1.38      ng       2368: }
1.35      ng       2369: 
1.44      ng       2370: #--- High light keywords, with style choosen by user.
1.38      ng       2371: sub keywords_highlight {
1.44      ng       2372:     my $string    = shift;
1.257     albertel 2373:     my $size      = $env{'form.kwsize'} eq '0' ? '' : 'size='.$env{'form.kwsize'};
                   2374:     my $styleon   = $env{'form.kwstyle'} eq ''  ? '' : $env{'form.kwstyle'};
1.41      ng       2375:     (my $styleoff = $styleon) =~ s/\</\<\//;
1.257     albertel 2376:     my @keylist   = split(/[,\s+]/,$env{'form.keywords'});
1.398     albertel 2377:     foreach my $keyword (@keylist) {
                   2378: 	$string =~ s/\b\Q$keyword\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$keyword$styleoff<\/font>/gi;
1.41      ng       2379:     }
                   2380:     return $string;
1.38      ng       2381: }
1.36      ng       2382: 
1.44      ng       2383: #--- Called from submission routine
1.38      ng       2384: sub processHandGrade {
1.41      ng       2385:     my ($request) = shift;
1.324     albertel 2386:     my $symb   = &get_symb($request);
                   2387:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.257     albertel 2388:     my $button = $env{'form.gradeOpt'};
                   2389:     my $ngrade = $env{'form.NCT'};
                   2390:     my $ntstu  = $env{'form.NTSTU'};
1.301     albertel 2391:     my $cdom   = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2392:     my $cnum   = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2393: 
1.44      ng       2394:     if ($button eq 'Save & Next') {
                   2395: 	my $ctr = 0;
                   2396: 	while ($ctr < $ngrade) {
1.257     albertel 2397: 	    my ($uname,$udom) = split(/:/,$env{'form.unamedom'.$ctr});
1.324     albertel 2398: 	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$symb,$uname,$udom,$ctr);
1.71      ng       2399: 	    if ($errorflag eq 'no_score') {
                   2400: 		$ctr++;
                   2401: 		next;
                   2402: 	    }
1.104     albertel 2403: 	    if ($errorflag eq 'not_allowed') {
1.398     albertel 2404: 		$request->print("<span class=\"LC_warning\">Not allowed to modify grades for $uname:$udom</span>");
1.104     albertel 2405: 		$ctr++;
                   2406: 		next;
                   2407: 	    }
1.257     albertel 2408: 	    my $includemsg = $env{'form.includemsg'.$ctr};
1.44      ng       2409: 	    my ($subject,$message,$msgstatus) = ('','','');
1.418     albertel 2410: 	    my $restitle = &Apache::lonnet::gettitle($symb);
                   2411:             my ($feedurl,$showsymb) =
                   2412: 		&get_feedurl_and_symb($symb,$uname,$udom);
                   2413: 	    my $messagetail;
1.62      albertel 2414: 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
1.298     www      2415: 		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
1.295     www      2416: 		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
1.386     raeburn  2417: 		$subject.=' ['.$restitle.']';
1.44      ng       2418: 		my (@msgnum) = split(/,/,$includemsg);
                   2419: 		foreach (@msgnum) {
1.257     albertel 2420: 		    $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
1.44      ng       2421: 		}
1.80      ng       2422: 		$message =&Apache::lonfeedback::clear_out_html($message);
1.298     www      2423: 		if ($env{'form.withgrades'.$ctr}) {
                   2424: 		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
1.386     raeburn  2425: 		    $messagetail = " for <a href=\"".
1.418     albertel 2426: 		                   $feedurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
1.386     raeburn  2427: 		}
                   2428: 		$msgstatus = 
                   2429:                     &Apache::lonmsg::user_normal_msg($uname,$udom,$subject,
                   2430: 						     $message.$messagetail,
1.418     albertel 2431:                                                      undef,$feedurl,undef,
1.386     raeburn  2432:                                                      undef,undef,$showsymb,
                   2433:                                                      $restitle);
                   2434: 		$request->print('<br />'.&mt('Sending message to [_1]:[_2]',$uname,$udom).': '.
1.296     www      2435: 				$msgstatus);
1.44      ng       2436: 	    }
1.257     albertel 2437: 	    if ($env{'form.collaborator'.$ctr}) {
1.155     albertel 2438: 		my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
1.150     albertel 2439: 		foreach my $collabstr (@collabstrs) {
                   2440: 		    my ($part,@collaborators) = split(/:/,$collabstr);
1.310     banghart 2441: 		    foreach my $collaborator (@collaborators) {
1.150     albertel 2442: 			my ($errorflag,$pts,$wgt) = 
1.324     albertel 2443: 			    &saveHandGrade($request,$symb,$collaborator,$udom,$ctr,
1.257     albertel 2444: 					   $env{'form.unamedom'.$ctr},$part);
1.150     albertel 2445: 			if ($errorflag eq 'not_allowed') {
1.362     albertel 2446: 			    $request->print("<span class=\"LC_error\">".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom")."</span>");
1.150     albertel 2447: 			    next;
1.418     albertel 2448: 			} elsif ($message ne '') {
                   2449: 			    my ($baseurl,$showsymb) = 
                   2450: 				&get_feedurl_and_symb($symb,$collaborator,
                   2451: 						      $udom);
                   2452: 			    if ($env{'form.withgrades'.$ctr}) {
                   2453: 				$messagetail = " for <a href=\"".
1.386     raeburn  2454:                                     $baseurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
1.150     albertel 2455: 			    }
1.418     albertel 2456: 			    $msgstatus = 
                   2457: 				&Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
1.104     albertel 2458: 			}
1.44      ng       2459: 		    }
                   2460: 		}
                   2461: 	    }
                   2462: 	    $ctr++;
                   2463: 	}
                   2464:     }
                   2465: 
1.257     albertel 2466:     if ($env{'form.handgrade'} eq 'yes') {
1.119     ng       2467: 	# Keywords sorted in alphabatical order
1.257     albertel 2468: 	my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
1.119     ng       2469: 	my %keyhash = ();
1.257     albertel 2470: 	$env{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
                   2471: 	$env{'form.keywords'}           =~ s/^\s+|\s+$//;
                   2472: 	my (@keywords) = sort(split(/\s+/,$env{'form.keywords'}));
                   2473: 	$env{'form.keywords'} = join(' ',@keywords);
                   2474: 	$keyhash{$symb.'_keywords'}     = $env{'form.keywords'};
                   2475: 	$keyhash{$symb.'_subject'}      = $env{'form.msgsub'};
                   2476: 	$keyhash{$loginuser.'_kwclr'}   = $env{'form.kwclr'};
                   2477: 	$keyhash{$loginuser.'_kwsize'}  = $env{'form.kwsize'};
                   2478: 	$keyhash{$loginuser.'_kwstyle'} = $env{'form.kwstyle'};
1.119     ng       2479: 
                   2480: 	# message center - Order of message gets changed. Blank line is eliminated.
1.257     albertel 2481: 	# New messages are saved in env for the next student.
1.119     ng       2482: 	# All messages are saved in nohist_handgrade.db
                   2483: 	my ($ctr,$idx) = (1,1);
1.257     albertel 2484: 	while ($ctr <= $env{'form.savemsgN'}) {
                   2485: 	    if ($env{'form.savemsg'.$ctr} ne '') {
                   2486: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.savemsg'.$ctr};
1.119     ng       2487: 		$idx++;
                   2488: 	    }
                   2489: 	    $ctr++;
1.41      ng       2490: 	}
1.119     ng       2491: 	$ctr = 0;
                   2492: 	while ($ctr < $ngrade) {
1.257     albertel 2493: 	    if ($env{'form.newmsg'.$ctr} ne '') {
                   2494: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr};
                   2495: 		$env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr};
1.119     ng       2496: 		$idx++;
                   2497: 	    }
                   2498: 	    $ctr++;
1.41      ng       2499: 	}
1.257     albertel 2500: 	$env{'form.savemsgN'} = --$idx;
                   2501: 	$keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'};
1.119     ng       2502: 	my $putresult = &Apache::lonnet::put
1.301     albertel 2503: 	    ('nohist_handgrade',\%keyhash,$cdom,$cnum);
1.41      ng       2504:     }
1.44      ng       2505:     # Called by Save & Refresh from Highlight Attribute Window
1.257     albertel 2506:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
                   2507:     if ($env{'form.refresh'} eq 'on') {
1.86      ng       2508: 	my ($ctr,$total) = (0,0);
                   2509: 	while ($ctr < $ngrade) {
1.257     albertel 2510: 	    $total++ if  $env{'form.unamedom'.$ctr} ne '';
1.86      ng       2511: 	    $ctr++;
                   2512: 	}
1.257     albertel 2513: 	$env{'form.NTSTU'}=$ngrade;
1.86      ng       2514: 	$ctr = 0;
                   2515: 	while ($ctr < $total) {
1.257     albertel 2516: 	    my $processUser = $env{'form.unamedom'.$ctr};
                   2517: 	    ($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
                   2518: 	    $env{'form.fullname'} = $$fullname{$processUser};
1.86      ng       2519: 	    &submission($request,$ctr,$total-1);
1.41      ng       2520: 	    $ctr++;
                   2521: 	}
                   2522: 	return '';
                   2523:     }
1.36      ng       2524: 
1.121     ng       2525: # Go directly to grade student - from submission or link from chart page
1.120     ng       2526:     if ($button eq 'Grade Student') {
1.324     albertel 2527: 	(undef,undef,$env{'form.handgrade'},undef,undef) = &showResourceInfo($symb);
1.257     albertel 2528: 	my $processUser = $env{'form.unamedom'.$env{'form.studentNo'}};
                   2529: 	($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
                   2530: 	$env{'form.fullname'} = $$fullname{$processUser};
1.120     ng       2531: 	&submission($request,0,0);
                   2532: 	return '';
                   2533:     }
                   2534: 
1.44      ng       2535:     # Get the next/previous one or group of students
1.257     albertel 2536:     my $firststu = $env{'form.unamedom0'};
                   2537:     my $laststu = $env{'form.unamedom'.($ngrade-1)};
1.119     ng       2538:     my $ctr = 2;
1.41      ng       2539:     while ($laststu eq '') {
1.257     albertel 2540: 	$laststu  = $env{'form.unamedom'.($ngrade-$ctr)};
1.41      ng       2541: 	$ctr++;
                   2542: 	$laststu = $firststu if ($ctr > $ngrade);
                   2543:     }
1.44      ng       2544: 
1.41      ng       2545:     my (@parsedlist,@nextlist);
                   2546:     my ($nextflg) = 0;
1.294     albertel 2547:     foreach (sort 
                   2548: 	     {
                   2549: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   2550: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   2551: 		 }
                   2552: 		 return $a cmp $b;
                   2553: 	     } (keys(%$fullname))) {
1.41      ng       2554: 	if ($nextflg == 1 && $button =~ /Next$/) {
                   2555: 	    push @parsedlist,$_;
                   2556: 	}
                   2557: 	$nextflg = 1 if ($_ eq $laststu);
                   2558: 	if ($button eq 'Previous') {
                   2559: 	    last if ($_ eq $firststu);
                   2560: 	    push @parsedlist,$_;
                   2561: 	}
                   2562:     }
                   2563:     $ctr = 0;
                   2564:     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
1.324     albertel 2565:     my ($partlist) = &response_type($symb);
1.41      ng       2566:     foreach my $student (@parsedlist) {
1.257     albertel 2567: 	my $submitonly=$env{'form.submitonly'};
1.41      ng       2568: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel 2569: 	
                   2570: 	if ($submitonly eq 'queued') {
                   2571: 	    my %queue_status = 
                   2572: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                   2573: 							$udom,$uname);
                   2574: 	    next if (!defined($queue_status{'gradingqueue'}));
                   2575: 	}
                   2576: 
1.156     albertel 2577: 	if ($submitonly =~ /^(yes|graded|incorrect)$/) {
1.257     albertel 2578: #	    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.324     albertel 2579: 	    my %status=&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel 2580: 	    my $submitted = 0;
1.248     albertel 2581: 	    my $ungraded = 0;
                   2582: 	    my $incorrect = 0;
1.145     albertel 2583: 	    foreach (keys(%status)) {
                   2584: 		$submitted = 1 if ($status{$_} ne 'nothing');
1.248     albertel 2585: 		$ungraded = 1 if ($status{$_} =~ /^ungraded/);
                   2586: 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
1.145     albertel 2587: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                   2588: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
                   2589: 		    $submitted = 0;
                   2590: 		}
1.41      ng       2591: 	    }
1.156     albertel 2592: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                   2593: 				     $submitonly eq 'incorrect' ||
                   2594: 				     $submitonly eq 'graded'));
1.248     albertel 2595: 	    next if (!$ungraded && ($submitonly eq 'graded'));
                   2596: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng       2597: 	}
                   2598: 	push @nextlist,$student if ($ctr < $ntstu);
1.129     ng       2599: 	last if ($ctr == $ntstu);
1.41      ng       2600: 	$ctr++;
                   2601:     }
1.36      ng       2602: 
1.41      ng       2603:     $ctr = 0;
                   2604:     my $total = scalar(@nextlist)-1;
1.39      ng       2605: 
1.41      ng       2606:     foreach (sort @nextlist) {
                   2607: 	my ($uname,$udom,$submitter) = split(/:/);
1.257     albertel 2608: 	$env{'form.student'}  = $uname;
                   2609: 	$env{'form.userdom'}  = $udom;
                   2610: 	$env{'form.fullname'} = $$fullname{$_};
1.41      ng       2611: 	&submission($request,$ctr,$total);
                   2612: 	$ctr++;
                   2613:     }
                   2614:     if ($total < 0) {
1.485     albertel 2615: 	my $the_end = '<h3><span class="LC_info">'.&mt('LON-CAPA User Message').'</span></h3><br />'."\n";
                   2616: 	$the_end.=&mt('<b>Message: </b> No more students for this section or class.').'<br /><br />'."\n";
                   2617: 	$the_end.=&mt('Click on the button below to return to the grading menu.').'<br /><br />'."\n";
1.324     albertel 2618: 	$the_end.=&show_grading_menu_form($symb);
1.41      ng       2619: 	$request->print($the_end);
                   2620:     }
                   2621:     return '';
1.38      ng       2622: }
1.36      ng       2623: 
1.44      ng       2624: #---- Save the score and award for each student, if changed
1.38      ng       2625: sub saveHandGrade {
1.324     albertel 2626:     my ($request,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
1.342     banghart 2627:     my @version_parts;
1.104     albertel 2628:     my $usec = &Apache::lonnet::getsection($domain,$stuname,
1.257     albertel 2629: 					   $env{'request.course.id'});
1.104     albertel 2630:     if (!&canmodify($usec)) { return('not_allowed'); }
1.337     banghart 2631:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$domain,$stuname);
1.251     banghart 2632:     my @parts_graded;
1.77      ng       2633:     my %newrecord  = ();
                   2634:     my ($pts,$wgt) = ('','');
1.269     raeburn  2635:     my %aggregate = ();
                   2636:     my $aggregateflag = 0;
1.301     albertel 2637:     my @parts = split(/:/,$env{'form.partlist'.$newflg});
                   2638:     foreach my $new_part (@parts) {
1.337     banghart 2639: 	#collaborator ($submi may vary for different parts
1.259     banghart 2640: 	if ($submitter && $new_part ne $part) { next; }
                   2641: 	my $dropMenu = $env{'form.GD_SEL'.$newflg.'_'.$new_part};
1.125     ng       2642: 	if ($dropMenu eq 'excused') {
1.259     banghart 2643: 	    if ($record{'resource.'.$new_part.'.solved'} ne 'excused') {
                   2644: 		$newrecord{'resource.'.$new_part.'.solved'} = 'excused';
                   2645: 		if (exists($record{'resource.'.$new_part.'.awarded'})) {
                   2646: 		    $newrecord{'resource.'.$new_part.'.awarded'} = '';
1.58      albertel 2647: 		}
1.364     banghart 2648: 	        $newrecord{'resource.'.$new_part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.58      albertel 2649: 	    }
1.125     ng       2650: 	} elsif ($dropMenu eq 'reset status'
1.259     banghart 2651: 		 && exists($record{'resource.'.$new_part.'.solved'})) { #don't bother if no old records -> no attempts
1.197     albertel 2652: 	    foreach my $key (keys (%record)) {
1.259     banghart 2653: 		if ($key=~/^resource\.\Q$new_part\E\./) { $newrecord{$key} = ''; }
1.197     albertel 2654: 	    }
1.259     banghart 2655: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 2656: 		"$env{'user.name'}:$env{'user.domain'}";
1.270     albertel 2657:             my $totaltries = $record{'resource.'.$part.'.tries'};
                   2658: 
                   2659:             my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   2660: 					       [$new_part]);
                   2661:             my $aggtries =$totaltries;
1.269     raeburn  2662:             if ($last_resets{$new_part}) {
1.270     albertel 2663:                 $aggtries = &get_num_tries(\%record,$last_resets{$new_part},
                   2664: 					   $new_part);
1.269     raeburn  2665:             }
1.270     albertel 2666: 
                   2667:             my $solvedstatus = $record{'resource.'.$new_part.'.solved'};
1.269     raeburn  2668:             if ($aggtries > 0) {
1.327     albertel 2669:                 &decrement_aggs($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus);
1.269     raeburn  2670:                 $aggregateflag = 1;
                   2671:             }
1.125     ng       2672: 	} elsif ($dropMenu eq '') {
1.259     banghart 2673: 	    $pts = ($env{'form.GD_BOX'.$newflg.'_'.$new_part} ne '' ? 
                   2674: 		    $env{'form.GD_BOX'.$newflg.'_'.$new_part} : 
                   2675: 		    $env{'form.RADVAL'.$newflg.'_'.$new_part});
                   2676: 	    if ($pts eq '' && $env{'form.GD_SEL'.$newflg.'_'.$new_part} eq '') {
1.153     albertel 2677: 		next;
                   2678: 	    }
1.259     banghart 2679: 	    $wgt = $env{'form.WGT'.$newflg.'_'.$new_part} eq '' ? 1 : 
                   2680: 		$env{'form.WGT'.$newflg.'_'.$new_part};
1.41      ng       2681: 	    my $partial= $pts/$wgt;
1.259     banghart 2682: 	    if ($partial eq $record{'resource.'.$new_part.'.awarded'}) {
1.153     albertel 2683: 		#do not update score for part if not changed.
1.346     banghart 2684:                 &handback_files($request,$symb,$stuname,$domain,$newflg,$new_part,\%newrecord);
1.153     albertel 2685: 		next;
1.251     banghart 2686: 	    } else {
1.259     banghart 2687: 	        push @parts_graded, $new_part;
1.153     albertel 2688: 	    }
1.259     banghart 2689: 	    if ($record{'resource.'.$new_part.'.awarded'} ne $partial) {
                   2690: 		$newrecord{'resource.'.$new_part.'.awarded'}  = $partial;
1.153     albertel 2691: 	    }
1.259     banghart 2692: 	    my $reckey = 'resource.'.$new_part.'.solved';
1.41      ng       2693: 	    if ($partial == 0) {
1.153     albertel 2694: 		if ($record{$reckey} ne 'incorrect_by_override') {
                   2695: 		    $newrecord{$reckey} = 'incorrect_by_override';
                   2696: 		}
1.41      ng       2697: 	    } else {
1.153     albertel 2698: 		if ($record{$reckey} ne 'correct_by_override') {
                   2699: 		    $newrecord{$reckey} = 'correct_by_override';
                   2700: 		}
                   2701: 	    }	    
                   2702: 	    if ($submitter && 
1.259     banghart 2703: 		($record{'resource.'.$new_part.'.submitted_by'} ne $submitter)) {
                   2704: 		$newrecord{'resource.'.$new_part.'.submitted_by'} = $submitter;
1.41      ng       2705: 	    }
1.259     banghart 2706: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 2707: 		"$env{'user.name'}:$env{'user.domain'}";
1.41      ng       2708: 	}
1.259     banghart 2709: 	# unless problem has been graded, set flag to version the submitted files
1.305     banghart 2710: 	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || 
                   2711: 	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
                   2712: 	        $dropMenu eq 'reset status')
                   2713: 	   {
1.342     banghart 2714: 	    push (@version_parts,$new_part);
1.259     banghart 2715: 	}
1.41      ng       2716:     }
1.301     albertel 2717:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2718:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2719: 
1.344     albertel 2720:     if (%newrecord) {
                   2721:         if (@version_parts) {
1.364     banghart 2722:             my @changed_keys = &version_portfiles(\%record, \@parts_graded, 
                   2723:                                 $env{'request.course.id'}, $symb, $domain, $stuname, \@version_parts);
1.344     albertel 2724: 	    @newrecord{@changed_keys} = @record{@changed_keys};
1.367     albertel 2725: 	    foreach my $new_part (@version_parts) {
                   2726: 		&handback_files($request,$symb,$stuname,$domain,$newflg,
                   2727: 				$new_part,\%newrecord);
                   2728: 	    }
1.259     banghart 2729:         }
1.44      ng       2730: 	&Apache::lonnet::cstore(\%newrecord,$symb,
1.257     albertel 2731: 				$env{'request.course.id'},$domain,$stuname);
1.380     albertel 2732: 	&check_and_remove_from_queue(\@parts,\%record,\%newrecord,$symb,
                   2733: 				     $cdom,$cnum,$domain,$stuname);
1.41      ng       2734:     }
1.269     raeburn  2735:     if ($aggregateflag) {
                   2736:         &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 2737: 			      $cdom,$cnum);
1.269     raeburn  2738:     }
1.301     albertel 2739:     return ('',$pts,$wgt);
1.36      ng       2740: }
1.322     albertel 2741: 
1.380     albertel 2742: sub check_and_remove_from_queue {
                   2743:     my ($parts,$record,$newrecord,$symb,$cdom,$cnum,$domain,$stuname) = @_;
                   2744:     my @ungraded_parts;
                   2745:     foreach my $part (@{$parts}) {
                   2746: 	if (    $record->{   'resource.'.$part.'.awarded'} eq ''
                   2747: 	     && $record->{   'resource.'.$part.'.solved' } ne 'excused'
                   2748: 	     && $newrecord->{'resource.'.$part.'.awarded'} eq ''
                   2749: 	     && $newrecord->{'resource.'.$part.'.solved' } ne 'excused'
                   2750: 		) {
                   2751: 	    push(@ungraded_parts, $part);
                   2752: 	}
                   2753:     }
                   2754:     if ( !@ungraded_parts ) {
                   2755: 	&Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom,
                   2756: 					       $cnum,$domain,$stuname);
                   2757:     }
                   2758: }
                   2759: 
1.337     banghart 2760: sub handback_files {
                   2761:     my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
1.359     www      2762:     my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio';
                   2763:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.375     albertel 2764: 
                   2765:     my @part_response_id = &flatten_responseType($responseType);
                   2766:     foreach my $part_response_id (@part_response_id) {
                   2767:     	my ($part_id,$resp_id) = @{ $part_response_id };
                   2768: 	my $part_resp = join('_',@{ $part_response_id });
1.337     banghart 2769:             if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part == $part_id)) {
                   2770:                 # if multiple files are uploaded names will be 'returndoc2','returndoc3'
                   2771:                 my $file_counter = 1;
1.367     albertel 2772: 		my $file_msg;
1.337     banghart 2773:                 while ($env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter}) {
                   2774:                     my $fname=$env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'.filename'};
1.338     banghart 2775:                     my ($directory,$answer_file) = 
                   2776:                         ($env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter} =~ /^(.*?)([^\/]*)$/);
                   2777:                     my ($answer_name,$answer_ver,$answer_ext) =
                   2778: 		        &file_name_version_ext($answer_file);
1.355     banghart 2779: 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
1.341     banghart 2780: 		    my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root);
1.338     banghart 2781: 		    my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
1.355     banghart 2782:                     # fix file name
                   2783:                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
                   2784:                     my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain,
                   2785:             	                                $newflg.'_'.$part_resp.'_returndoc'.$file_counter,
                   2786:             	                                $save_file_name);
1.337     banghart 2787:                     if ($result !~ m|^/uploaded/|) {
1.401     albertel 2788:                         $request->print('<span class="LC_error">An error occurred ('.$result.
1.398     albertel 2789:                         ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'</span><br />');
1.356     banghart 2790:                     } else {
1.360     banghart 2791:                         # mark the file as read only
                   2792:                         my @files = ($save_file_name);
1.372     albertel 2793:                         my @what = ($symb,$env{'request.course.id'},'handback');
1.360     banghart 2794:                         &Apache::lonnet::mark_as_readonly($domain,$stuname,\@files,\@what);
1.367     albertel 2795: 			if (exists($$newrecord{"resource.$new_part.$resp_id.handback"})) {
                   2796: 			    $$newrecord{"resource.$new_part.$resp_id.handback"}.=',';
                   2797: 			}
                   2798:                         $$newrecord{"resource.$new_part.$resp_id.handback"} .= $save_file_name;
                   2799: 			$file_msg.= "\n".'<br /><span class="LC_filename"><a href="/uploaded/'."$domain/$stuname/".$save_file_name.'">'.$save_file_name."</a></span><br />";
                   2800: 
1.337     banghart 2801:                     }
                   2802:                     $request->print("<br />".$fname." will be the uploaded file name");
1.354     albertel 2803:                     $request->print(" ".$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter});
1.337     banghart 2804:                     $file_counter++;
                   2805:                 }
1.367     albertel 2806: 		my $subject = "File Handed Back by Instructor ";
                   2807: 		my $message = "A file has been returned that was originally submitted in reponse to: <br />";
                   2808: 		$message .= "<strong>".&Apache::lonnet::gettitle($symb)."</strong><br />";
                   2809: 		$message .= ' The returned file(s) are named: '. $file_msg;
                   2810: 		$message .= " and can be found in your portfolio space.";
1.418     albertel 2811: 		my ($feedurl,$showsymb) = 
                   2812: 		    &get_feedurl_and_symb($symb,$domain,$stuname);
1.386     raeburn  2813:                 my $restitle = &Apache::lonnet::gettitle($symb);
                   2814: 		my $msgstatus = 
                   2815:                    &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject.
                   2816: 			 ' (File Returned) ['.$restitle.']',$message,undef,
1.418     albertel 2817:                          $feedurl,undef,undef,undef,$showsymb,$restitle);
1.337     banghart 2818:             }
                   2819:         }
1.338     banghart 2820:     return;
1.337     banghart 2821: }
                   2822: 
1.418     albertel 2823: sub get_feedurl_and_symb {
                   2824:     my ($symb,$uname,$udom) = @_;
                   2825:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
                   2826:     $url = &Apache::lonnet::clutter($url);
                   2827:     my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
                   2828: 					$symb,$udom,$uname);
                   2829:     if ($encrypturl =~ /^yes$/i) {
                   2830: 	&Apache::lonenc::encrypted(\$url,1);
                   2831: 	&Apache::lonenc::encrypted(\$symb,1);
                   2832:     }
                   2833:     return ($url,$symb);
                   2834: }
                   2835: 
1.313     banghart 2836: sub get_submitted_files {
                   2837:     my ($udom,$uname,$partid,$respid,$record) = @_;
                   2838:     my @files;
                   2839:     if ($$record{"resource.$partid.$respid.portfiles"}) {
                   2840:         my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
                   2841:         foreach my $file (split(',',$$record{"resource.$partid.$respid.portfiles"})) {
                   2842:     	    push(@files,$file_url.$file);
                   2843:         }
                   2844:     }
                   2845:     if ($$record{"resource.$partid.$respid.uploadedurl"}) {
                   2846:         push(@files,$$record{"resource.$partid.$respid.uploadedurl"});
                   2847:     }
                   2848:     return (\@files);
                   2849: }
1.322     albertel 2850: 
1.269     raeburn  2851: # ----------- Provides number of tries since last reset.
                   2852: sub get_num_tries {
                   2853:     my ($record,$last_reset,$part) = @_;
                   2854:     my $timestamp = '';
                   2855:     my $num_tries = 0;
                   2856:     if ($$record{'version'}) {
                   2857:         for (my $version=$$record{'version'};$version>=1;$version--) {
                   2858:             if (exists($$record{$version.':resource.'.$part.'.solved'})) {
                   2859:                 $timestamp = $$record{$version.':timestamp'};
                   2860:                 if ($timestamp > $last_reset) {
                   2861:                     $num_tries ++;
                   2862:                 } else {
                   2863:                     last;
                   2864:                 }
                   2865:             }
                   2866:         }
                   2867:     }
                   2868:     return $num_tries;
                   2869: }
                   2870: 
                   2871: # ----------- Determine decrements required in aggregate totals 
                   2872: sub decrement_aggs {
                   2873:     my ($symb,$part,$aggregate,$aggtries,$totaltries,$solvedstatus) = @_;
                   2874:     my %decrement = (
                   2875:                         attempts => 0,
                   2876:                         users => 0,
                   2877:                         correct => 0
                   2878:                     );
                   2879:     $decrement{'attempts'} = $aggtries;
                   2880:     if ($solvedstatus =~ /^correct/) {
                   2881:         $decrement{'correct'} = 1;
                   2882:     }
                   2883:     if ($aggtries == $totaltries) {
                   2884:         $decrement{'users'} = 1;
                   2885:     }
                   2886:     foreach my $type (keys (%decrement)) {
                   2887:         $$aggregate{$symb."\0".$part."\0".$type} = -$decrement{$type};
                   2888:     }
                   2889:     return;
                   2890: }
                   2891: 
                   2892: # ----------- Determine timestamps for last reset of aggregate totals for parts  
                   2893: sub get_last_resets {
1.270     albertel 2894:     my ($symb,$courseid,$partids) =@_;
                   2895:     my %last_resets;
1.269     raeburn  2896:     my $cdom = $env{'course.'.$courseid.'.domain'};
                   2897:     my $cname = $env{'course.'.$courseid.'.num'};
1.271     albertel 2898:     my @keys;
                   2899:     foreach my $part (@{$partids}) {
                   2900: 	push(@keys,"$symb\0$part\0resettime");
                   2901:     }
                   2902:     my %results=&Apache::lonnet::get('nohist_resourcetracker',\@keys,
                   2903: 				     $cdom,$cname);
                   2904:     foreach my $part (@{$partids}) {
                   2905: 	$last_resets{$part}=$results{"$symb\0$part\0resettime"};
1.269     raeburn  2906:     }
1.270     albertel 2907:     return %last_resets;
1.269     raeburn  2908: }
                   2909: 
1.251     banghart 2910: # ----------- Handles creating versions for portfolio files as answers
                   2911: sub version_portfiles {
1.343     banghart 2912:     my ($record, $parts_graded, $courseid, $symb, $domain, $stu_name, $v_flag) = @_;
1.263     banghart 2913:     my $version_parts = join('|',@$v_flag);
1.343     banghart 2914:     my @returned_keys;
1.255     banghart 2915:     my $parts = join('|', @$parts_graded);
1.359     www      2916:     my $portfolio_root = &propath($domain,$stu_name).
                   2917: 	'/userfiles/portfolio';
1.277     albertel 2918:     foreach my $key (keys(%$record)) {
1.259     banghart 2919:         my $new_portfiles;
1.263     banghart 2920:         if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
1.342     banghart 2921:             my @versioned_portfiles;
1.367     albertel 2922:             my @portfiles = split(/\s*,\s*/,$$record{$key});
1.252     banghart 2923:             foreach my $file (@portfiles) {
1.306     banghart 2924:                 &Apache::lonnet::unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
1.304     albertel 2925:                 my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
                   2926: 		my ($answer_name,$answer_ver,$answer_ext) =
                   2927: 		    &file_name_version_ext($answer_file);
1.306     banghart 2928:                 my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root);
1.342     banghart 2929:                 my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
1.306     banghart 2930:                 my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
                   2931:                 if ($new_answer ne 'problem getting file') {
1.342     banghart 2932:                     push(@versioned_portfiles, $directory.$new_answer);
1.306     banghart 2933:                     &Apache::lonnet::mark_as_readonly($domain,$stu_name,
1.367     albertel 2934:                         [$directory.$new_answer],
1.306     banghart 2935:                         [$symb,$env{'request.course.id'},'graded']);
1.259     banghart 2936:                 }
1.252     banghart 2937:             }
1.343     banghart 2938:             $$record{$key} = join(',',@versioned_portfiles);
                   2939:             push(@returned_keys,$key);
1.251     banghart 2940:         }
                   2941:     } 
1.343     banghart 2942:     return (@returned_keys);   
1.305     banghart 2943: }
                   2944: 
1.307     banghart 2945: sub get_next_version {
1.341     banghart 2946:     my ($answer_name, $answer_ext, $dir_list) = @_;
1.307     banghart 2947:     my $version;
                   2948:     foreach my $row (@$dir_list) {
                   2949:         my ($file) = split(/\&/,$row,2);
                   2950:         my ($file_name,$file_version,$file_ext) =
                   2951: 	    &file_name_version_ext($file);
                   2952:         if (($file_name eq $answer_name) && 
                   2953: 	    ($file_ext eq $answer_ext)) {
                   2954:                 # gets here if filename and extension match, regardless of version
                   2955:                 if ($file_version ne '') {
                   2956:                 # a versioned file is found  so save it for later
                   2957:                 if ($file_version > $version) {
                   2958: 		    $version = $file_version;
                   2959: 	        }
                   2960:             }
                   2961:         }
                   2962:     } 
                   2963:     $version ++;
                   2964:     return($version);
                   2965: }
                   2966: 
1.305     banghart 2967: sub version_selected_portfile {
1.306     banghart 2968:     my ($domain,$stu_name,$directory,$file_name,$version) = @_;
                   2969:     my ($answer_name,$answer_ver,$answer_ext) =
                   2970:         &file_name_version_ext($file_name);
                   2971:     my $new_answer;
                   2972:     $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
                   2973:     if($env{'form.copy'} eq '-1') {
                   2974:         $new_answer = 'problem getting file';
                   2975:     } else {
                   2976:         $new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
                   2977:         my $copy_result = &Apache::lonnet::finishuserfileupload(
                   2978:                             $stu_name,$domain,'copy',
                   2979: 		        '/portfolio'.$directory.$new_answer);
                   2980:     }    
                   2981:     return ($new_answer);
1.251     banghart 2982: }
                   2983: 
1.304     albertel 2984: sub file_name_version_ext {
                   2985:     my ($file)=@_;
                   2986:     my @file_parts = split(/\./, $file);
                   2987:     my ($name,$version,$ext);
                   2988:     if (@file_parts > 1) {
                   2989: 	$ext=pop(@file_parts);
                   2990: 	if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
                   2991: 	    $version=pop(@file_parts);
                   2992: 	}
                   2993: 	$name=join('.',@file_parts);
                   2994:     } else {
                   2995: 	$name=join('.',@file_parts);
                   2996:     }
                   2997:     return($name,$version,$ext);
                   2998: }
                   2999: 
1.44      ng       3000: #--------------------------------------------------------------------------------------
                   3001: #
                   3002: #-------------------------- Next few routines handles grading by section or whole class
                   3003: #
                   3004: #--- Javascript to handle grading by section or whole class
1.42      ng       3005: sub viewgrades_js {
                   3006:     my ($request) = shift;
                   3007: 
1.41      ng       3008:     $request->print(<<VIEWJAVASCRIPT);
                   3009: <script type="text/javascript" language="javascript">
1.45      ng       3010:    function writePoint(partid,weight,point) {
1.125     ng       3011: 	var radioButton = document.classgrade["RADVAL_"+partid];
                   3012: 	var textbox = document.classgrade["TEXTVAL_"+partid];
1.42      ng       3013: 	if (point == "textval") {
1.125     ng       3014: 	    point = document.classgrade["TEXTVAL_"+partid].value;
1.109     matthew  3015: 	    if (isNaN(point) || parseFloat(point) < 0) {
                   3016: 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.42      ng       3017: 		var resetbox = false;
                   3018: 		for (var i=0; i<radioButton.length; i++) {
                   3019: 		    if (radioButton[i].checked) {
                   3020: 			textbox.value = i;
                   3021: 			resetbox = true;
                   3022: 		    }
                   3023: 		}
                   3024: 		if (!resetbox) {
                   3025: 		    textbox.value = "";
                   3026: 		}
                   3027: 		return;
                   3028: 	    }
1.109     matthew  3029: 	    if (parseFloat(point) > parseFloat(weight)) {
                   3030: 		var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       3031: 				   ") greater than the weight for the part. Accept?");
                   3032: 		if (resp == false) {
                   3033: 		    textbox.value = "";
                   3034: 		    return;
                   3035: 		}
                   3036: 	    }
1.42      ng       3037: 	    for (var i=0; i<radioButton.length; i++) {
                   3038: 		radioButton[i].checked=false;
1.109     matthew  3039: 		if (parseFloat(point) == i) {
1.42      ng       3040: 		    radioButton[i].checked=true;
                   3041: 		}
                   3042: 	    }
1.41      ng       3043: 
1.42      ng       3044: 	} else {
1.125     ng       3045: 	    textbox.value = parseFloat(point);
1.42      ng       3046: 	}
1.41      ng       3047: 	for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3048: 	    var user = document.classgrade["ctr"+i].value;
1.289     albertel 3049: 	    user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3050: 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3051: 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3052: 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       3053: 	    if (saveval != "correct") {
                   3054: 		scorename.value = point;
1.43      ng       3055: 		if (selname[0].selected != true) {
                   3056: 		    selname[0].selected = true;
                   3057: 		}
1.42      ng       3058: 	    }
                   3059: 	}
1.125     ng       3060: 	document.classgrade["SELVAL_"+partid][0].selected = true;
1.42      ng       3061:     }
                   3062: 
                   3063:     function writeRadText(partid,weight) {
1.125     ng       3064: 	var selval   = document.classgrade["SELVAL_"+partid];
                   3065: 	var radioButton = document.classgrade["RADVAL_"+partid];
1.265     www      3066:         var override = document.classgrade["FORCE_"+partid].checked;
1.125     ng       3067: 	var textbox = document.classgrade["TEXTVAL_"+partid];
                   3068: 	if (selval[1].selected || selval[2].selected) {
1.42      ng       3069: 	    for (var i=0; i<radioButton.length; i++) {
                   3070: 		radioButton[i].checked=false;
                   3071: 
                   3072: 	    }
                   3073: 	    textbox.value = "";
                   3074: 
                   3075: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3076: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3077: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3078: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3079: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3080: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      3081: 		if ((saveval != "correct") || override) {
1.42      ng       3082: 		    scorename.value = "";
1.125     ng       3083: 		    if (selval[1].selected) {
                   3084: 			selname[1].selected = true;
                   3085: 		    } else {
                   3086: 			selname[2].selected = true;
                   3087: 			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
                   3088: 			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
                   3089: 		    }
1.42      ng       3090: 		}
                   3091: 	    }
1.43      ng       3092: 	} else {
                   3093: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3094: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3095: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3096: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3097: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3098: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      3099: 		if ((saveval != "correct") || override) {
1.125     ng       3100: 		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
1.43      ng       3101: 		    selname[0].selected = true;
                   3102: 		}
                   3103: 	    }
                   3104: 	}	    
1.42      ng       3105:     }
                   3106: 
                   3107:     function changeSelect(partid,user) {
1.125     ng       3108: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   3109: 	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
1.44      ng       3110: 	var point  = textbox.value;
1.125     ng       3111: 	var weight = document.classgrade["weight_"+partid].value;
1.44      ng       3112: 
1.109     matthew  3113: 	if (isNaN(point) || parseFloat(point) < 0) {
                   3114: 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.44      ng       3115: 	    textbox.value = "";
                   3116: 	    return;
                   3117: 	}
1.109     matthew  3118: 	if (parseFloat(point) > parseFloat(weight)) {
                   3119: 	    var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       3120: 			       ") greater than the weight of the part. Accept?");
                   3121: 	    if (resp == false) {
                   3122: 		textbox.value = "";
                   3123: 		return;
                   3124: 	    }
                   3125: 	}
1.42      ng       3126: 	selval[0].selected = true;
                   3127:     }
                   3128: 
                   3129:     function changeOneScore(partid,user) {
1.125     ng       3130: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   3131: 	if (selval[1].selected || selval[2].selected) {
                   3132: 	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
                   3133: 	    if (selval[2].selected) {
                   3134: 		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
                   3135: 	    }
1.269     raeburn  3136:         }
1.42      ng       3137:     }
                   3138: 
                   3139:     function resetEntry(numpart) {
                   3140: 	for (ctpart=0;ctpart<numpart;ctpart++) {
1.125     ng       3141: 	    var partid = document.classgrade["partid_"+ctpart].value;
                   3142: 	    var radioButton = document.classgrade["RADVAL_"+partid];
                   3143: 	    var textbox = document.classgrade["TEXTVAL_"+partid];
                   3144: 	    var selval  = document.classgrade["SELVAL_"+partid];
1.42      ng       3145: 	    for (var i=0; i<radioButton.length; i++) {
                   3146: 		radioButton[i].checked=false;
                   3147: 
                   3148: 	    }
                   3149: 	    textbox.value = "";
                   3150: 	    selval[0].selected = true;
                   3151: 
                   3152: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       3153: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 3154: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       3155: 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   3156: 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
                   3157: 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
                   3158: 		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
                   3159: 		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   3160: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       3161: 		if (saveselval == "excused") {
1.43      ng       3162: 		    if (selname[1].selected == false) { selname[1].selected = true;}
1.42      ng       3163: 		} else {
1.43      ng       3164: 		    if (selname[0].selected == false) {selname[0].selected = true};
1.42      ng       3165: 		}
                   3166: 	    }
1.41      ng       3167: 	}
1.42      ng       3168:     }
                   3169: 
1.41      ng       3170: </script>
                   3171: VIEWJAVASCRIPT
1.42      ng       3172: }
                   3173: 
1.44      ng       3174: #--- show scores for a section or whole class w/ option to change/update a score
1.42      ng       3175: sub viewgrades {
                   3176:     my ($request) = shift;
                   3177:     &viewgrades_js($request);
1.41      ng       3178: 
1.324     albertel 3179:     my ($symb) = &get_symb($request);
1.168     albertel 3180:     #need to make sure we have the correct data for later EXT calls, 
                   3181:     #thus invalidate the cache
                   3182:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 3183:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   3184:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 3185:     &Apache::lonnet::clear_EXT_cache_status();
                   3186: 
1.398     albertel 3187:     my $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>';
1.485     albertel 3188:     $result.='<h4>'.&mt('<b>Current Resource: </b>[_1]',$env{'form.probTitle'}).'</h4>'."\n";
1.41      ng       3189: 
                   3190:     #view individual student submission form - called using Javascript viewOneStudent
1.324     albertel 3191:     $result.=&jscriptNform($symb);
1.41      ng       3192: 
1.44      ng       3193:     #beginning of class grading form
1.442     banghart 3194:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
1.41      ng       3195:     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
1.418     albertel 3196: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.38      ng       3197: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
1.432     banghart 3198: 	&build_section_inputs().
1.257     albertel 3199: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
1.442     banghart 3200: 	'<input type="hidden" name="Status" value="'.$env{'stu_status'}.'" />'."\n".
1.257     albertel 3201: 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
1.72      ng       3202: 
1.126     ng       3203:     my $sectionClass;
1.430     banghart 3204:     my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
1.257     albertel 3205:     if ($env{'form.section'} eq 'all') {
1.485     albertel 3206: 	$sectionClass='Class';
1.257     albertel 3207:     } elsif ($env{'form.section'} eq 'none') {
1.485     albertel 3208: 	$sectionClass='Students in no Section';
1.52      albertel 3209:     } else {
1.485     albertel 3210: 	$sectionClass='Students in Section(s) [_1]';
1.52      albertel 3211:     }
1.485     albertel 3212:     $result.=
                   3213: 	'<h3>'.
                   3214: 	&mt("Assign Common Grade To $sectionClass",$section_display).'</h3>';
1.474     albertel 3215:     $result.= &Apache::loncommon::start_data_table();
1.44      ng       3216:     #radio buttons/text box for assigning points for a section or class.
                   3217:     #handles different parts of a problem
1.375     albertel 3218:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.42      ng       3219:     my %weight = ();
                   3220:     my $ctsparts = 0;
1.45      ng       3221:     my %seen = ();
1.375     albertel 3222:     my @part_response_id = &flatten_responseType($responseType);
                   3223:     foreach my $part_response_id (@part_response_id) {
                   3224:     	my ($partid,$respid) = @{ $part_response_id };
                   3225: 	my $part_resp = join('_',@{ $part_response_id });
1.45      ng       3226: 	next if $seen{$partid};
                   3227: 	$seen{$partid}++;
1.375     albertel 3228: 	my $handgrade=$$handgrade{$part_resp};
1.42      ng       3229: 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
                   3230: 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
                   3231: 
1.324     albertel 3232: 	my $display_part=&get_display_part($partid,$symb);
1.485     albertel 3233: 	my $radio.='<table border="0"><tr>';  
1.41      ng       3234: 	my $ctr = 0;
1.42      ng       3235: 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
1.485     albertel 3236: 	    $radio.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
1.54      albertel 3237: 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
1.288     albertel 3238: 		','.$ctr.')" />'.$ctr."</label></td>\n";
1.41      ng       3239: 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
                   3240: 	    $ctr++;
                   3241: 	}
1.485     albertel 3242: 	$radio.='</tr></table>';
                   3243: 	my $line = '<input type="text" name="TEXTVAL_'.
1.54      albertel 3244: 	    $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
                   3245: 		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
1.42      ng       3246: 	    $weight{$partid}.' (problem weight)</td>'."\n";
1.485     albertel 3247: 	$line.= '<td><select name="SELVAL_'.$partid.'"'.
1.54      albertel 3248: 	    'onChange="javascript:writeRadText(\''.$partid.'\','.
1.59      albertel 3249: 		$weight{$partid}.')"> '.
1.401     albertel 3250: 	    '<option selected="selected"> </option>'.
1.485     albertel 3251: 	    '<option value="excused">'.&mt('excused').'</option>'.
                   3252: 	    '<option value="reset status">'.&mt('reset status').'</option>'.
                   3253: 	    '</select></td>'.
                   3254:             '<td><label><input type="checkbox" name="FORCE_'.$partid.'" />'.&mt('Override "Correct"').'</label>';
                   3255: 	$line.='<input type="hidden" name="partid_'.
                   3256: 	    $ctsparts.'" value="'.$partid.'" />'."\n";
                   3257: 	$line.='<input type="hidden" name="weight_'.
                   3258: 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
                   3259: 
                   3260: 	$result.=
                   3261: 	    &Apache::loncommon::start_data_table_row()."\n".
                   3262: 	    &mt('<td><b>Part:</b></td><td>[_1]</td><td><b>Points:</b></td><td>[_2]</td><td>or</td><td>[_3]</td>',$display_part,$radio,$line).
                   3263: 	    &Apache::loncommon::end_data_table_row()."\n";
1.42      ng       3264: 	$ctsparts++;
1.41      ng       3265:     }
1.474     albertel 3266:     $result.=&Apache::loncommon::end_data_table()."\n".
1.52      albertel 3267: 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
1.485     albertel 3268:     $result.='<input type="button" value="'.&mt('Revert to Default').'" '.
1.474     albertel 3269: 	'onClick="javascript:resetEntry('.$ctsparts.');" />';
1.41      ng       3270: 
1.44      ng       3271:     #table listing all the students in a section/class
                   3272:     #header of table
1.485     albertel 3273:     $result.= '<h3>'.&mt('Assign Grade to Specific Students in '.$sectionClass,
                   3274: 			 $section_display).'</h3>';
1.474     albertel 3275:     $result.= &Apache::loncommon::start_data_table().
                   3276: 	&Apache::loncommon::start_data_table_header_row().
1.485     albertel 3277: 	'<th>'.&mt('No.').'</th>'.
1.474     albertel 3278: 	'<th>'.&nameUserString('header')."</th>\n";
1.324     albertel 3279:     my (@parts) = sort(&getpartlist($symb));
                   3280:     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
1.269     raeburn  3281:     my @partids = ();
1.41      ng       3282:     foreach my $part (@parts) {
                   3283: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
1.126     ng       3284: 	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
1.41      ng       3285: 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
1.207     albertel 3286: 	my ($partid) = &split_part_type($part);
1.269     raeburn  3287:         push(@partids, $partid);
1.324     albertel 3288: 	my $display_part=&get_display_part($partid,$symb);
1.41      ng       3289: 	if ($display =~ /^Partial Credit Factor/) {
1.485     albertel 3290: 	    $result.='<th>'.
                   3291: 		&mt('Score Part: [_1]<br /> (weight = [_2])',
                   3292: 		    $display_part,$weight{$partid}).'</th>'."\n";
1.41      ng       3293: 	    next;
1.485     albertel 3294: 	    
1.207     albertel 3295: 	} else {
1.485     albertel 3296: 	    if ($display =~ /Problem Status/) {
                   3297: 		my $grade_status_mt = &mt('Grade Status');
                   3298: 		$display =~ s{Problem Status}{$grade_status_mt<br />};
                   3299: 	    }
                   3300: 	    my $part_mt = &mt('Part:');
                   3301: 	    $display =~s{\[Part: \Q$partid\E\]}{$part_mt $display_part};
1.41      ng       3302: 	}
1.485     albertel 3303: 
1.474     albertel 3304: 	$result.='<th>'.$display.'</th>'."\n";
1.41      ng       3305:     }
1.474     albertel 3306:     $result.=&Apache::loncommon::end_data_table_header_row();
1.44      ng       3307: 
1.270     albertel 3308:     my %last_resets = 
                   3309: 	&get_last_resets($symb,$env{'request.course.id'},\@partids);
1.269     raeburn  3310: 
1.41      ng       3311:     #get info for each student
1.44      ng       3312:     #list all the students - with points and grade status
1.257     albertel 3313:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
1.41      ng       3314:     my $ctr = 0;
1.294     albertel 3315:     foreach (sort 
                   3316: 	     {
                   3317: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   3318: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   3319: 		 }
                   3320: 		 return $a cmp $b;
                   3321: 	     } (keys(%$fullname))) {
1.126     ng       3322: 	$ctr++;
1.324     albertel 3323: 	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
1.269     raeburn  3324: 				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
1.41      ng       3325:     }
1.474     albertel 3326:     $result.=&Apache::loncommon::end_data_table();
1.41      ng       3327:     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
1.485     albertel 3328:     $result.='<input type="button" value="'.&mt('Save').'" '.
1.417     albertel 3329: 	'onClick="javascript:submit();" target="_self" /></form>'."\n";
1.96      albertel 3330:     if (scalar(%$fullname) eq 0) {
                   3331: 	my $colspan=3+scalar(@parts);
1.433     banghart 3332: 	my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
1.442     banghart 3333:         my $stu_status = join(' or ',&Apache::loncommon::get_env_multiple('form.Status'));
1.433     banghart 3334: 	$result='<span class="LC_warning">'.
1.485     albertel 3335: 	    &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.',
1.442     banghart 3336: 	        $section_display, $stu_status).
1.433     banghart 3337: 	    '</span>';
1.96      albertel 3338:     }
1.324     albertel 3339:     $result.=&show_grading_menu_form($symb);
1.41      ng       3340:     return $result;
                   3341: }
                   3342: 
1.44      ng       3343: #--- call by previous routine to display each student
1.41      ng       3344: sub viewstudentgrade {
1.324     albertel 3345:     my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
1.44      ng       3346:     my ($uname,$udom) = split(/:/,$student);
                   3347:     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
1.269     raeburn  3348:     my %aggregates = (); 
1.474     albertel 3349:     my $result=&Apache::loncommon::start_data_table_row().'<td align="right">'.
1.233     albertel 3350: 	'<input type="hidden" name="ctr'.($ctr-1).'" value="'.$student.'" />'.
                   3351: 	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
1.44      ng       3352: 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel 3353: 	'\');" target="_self">'.$fullname.'</a> '.
1.398     albertel 3354: 	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
1.281     albertel 3355:     $student=~s/:/_/; # colon doen't work in javascript for names
1.63      albertel 3356:     foreach my $apart (@$parts) {
                   3357: 	my ($part,$type) = &split_part_type($apart);
1.41      ng       3358: 	my $score=$record{"resource.$part.$type"};
1.276     albertel 3359:         $result.='<td align="center">';
1.269     raeburn  3360:         my ($aggtries,$totaltries);
                   3361:         unless (exists($aggregates{$part})) {
1.270     albertel 3362: 	    $totaltries = $record{'resource.'.$part.'.tries'};
                   3363: 
                   3364: 	    $aggtries = $totaltries;
1.269     raeburn  3365:             if ($$last_resets{$part}) {  
1.270     albertel 3366:                 $aggtries = &get_num_tries(\%record,$$last_resets{$part},
                   3367: 					   $part);
                   3368:             }
1.269     raeburn  3369:             $result.='<input type="hidden" name="'.
                   3370:                 'GD_'.$student.'_'.$part.'_aggtries" value="'.$aggtries.'" />'."\n";
                   3371:             $result.='<input type="hidden" name="'.
                   3372:                 'GD_'.$student.'_'.$part.'_totaltries" value="'.$totaltries.'" />'."\n";
                   3373:             $aggregates{$part} = 1;
                   3374:         }
1.41      ng       3375: 	if ($type eq 'awarded') {
1.320     albertel 3376: 	    my $pts = $score eq '' ? '' : &compute_points($score,$$weight{$part});
1.42      ng       3377: 	    $result.='<input type="hidden" name="'.
1.89      albertel 3378: 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
1.233     albertel 3379: 	    $result.='<input type="text" name="'.
1.89      albertel 3380: 		'GD_'.$student.'_'.$part.'_awarded" '.
                   3381: 		'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
1.44      ng       3382: 		'\')" value="'.$pts.'" size="4" /></td>'."\n";
1.41      ng       3383: 	} elsif ($type eq 'solved') {
                   3384: 	    my ($status,$foo)=split(/_/,$score,2);
                   3385: 	    $status = 'nothing' if ($status eq '');
1.89      albertel 3386: 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
1.54      albertel 3387: 		$part.'_solved_s" value="'.$status.'" />'."\n";
1.233     albertel 3388: 	    $result.='&nbsp;<select name="'.
1.89      albertel 3389: 		'GD_'.$student.'_'.$part.'_solved" '.
                   3390: 		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
1.485     albertel 3391: 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="selected" value="excused">'.&mt('excused').'</option>' 
                   3392: 		: '<option selected="selected"> </option><option value="excused">'.&mt('excused').'</option>')."\n";
                   3393: 	    $result.='<option value="reset status">'.&mt('reset status').'</option>';
1.126     ng       3394: 	    $result.="</select>&nbsp;</td>\n";
1.122     ng       3395: 	} else {
                   3396: 	    $result.='<input type="hidden" name="'.
                   3397: 		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
                   3398: 		    "\n";
1.233     albertel 3399: 	    $result.='<input type="text" name="'.
1.122     ng       3400: 		'GD_'.$student.'_'.$part.'_'.$type.'" '.
                   3401: 		'value="'.$score.'" size="4" /></td>'."\n";
1.41      ng       3402: 	}
                   3403:     }
1.474     albertel 3404:     $result.=&Apache::loncommon::end_data_table_row();
1.41      ng       3405:     return $result;
1.38      ng       3406: }
                   3407: 
1.44      ng       3408: #--- change scores for all the students in a section/class
                   3409: #    record does not get update if unchanged
1.38      ng       3410: sub editgrades {
1.41      ng       3411:     my ($request) = @_;
                   3412: 
1.324     albertel 3413:     my $symb=&get_symb($request);
1.433     banghart 3414:     my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
1.477     albertel 3415:     my $title='<h2>'.&mt('Current Grade Status').'</h2>';
                   3416:     $title.='<h4>'.&mt('<b>Current Resource: </b>[_1]',$env{'form.probTitle'}).'</h4>'."\n";
1.433     banghart 3417:     $title.='<h4>'.&mt('<b>Section: </b>[_1]',$section_display).'</h4>'."\n";
1.126     ng       3418: 
1.477     albertel 3419:     my $result= &Apache::loncommon::start_data_table().
                   3420: 	&Apache::loncommon::start_data_table_header_row().
                   3421: 	'<th rowspan="2" valign="middle">'.&mt('No.').'</th>'.
                   3422: 	'<th rowspan="2" valign="middle">'.&nameUserString('header')."</th>\n";
1.43      ng       3423:     my %scoreptr = (
                   3424: 		    'correct'  =>'correct_by_override',
                   3425: 		    'incorrect'=>'incorrect_by_override',
                   3426: 		    'excused'  =>'excused',
                   3427: 		    'ungraded' =>'ungraded_attempted',
                   3428: 		    'nothing'  => '',
                   3429: 		    );
1.257     albertel 3430:     my ($classlist,undef,$fullname) = &getclasslist($env{'form.section'},'0');
1.34      ng       3431: 
1.44      ng       3432:     my (@partid);
                   3433:     my %weight = ();
1.54      albertel 3434:     my %columns = ();
1.44      ng       3435:     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
1.54      albertel 3436: 
1.324     albertel 3437:     my (@parts) = sort(&getpartlist($symb));
1.54      albertel 3438:     my $header;
1.257     albertel 3439:     while ($ctr < $env{'form.totalparts'}) {
                   3440: 	my $partid = $env{'form.partid_'.$ctr};
1.44      ng       3441: 	push @partid,$partid;
1.257     albertel 3442: 	$weight{$partid} = $env{'form.weight_'.$partid};
1.44      ng       3443: 	$ctr++;
1.54      albertel 3444:     }
1.324     albertel 3445:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.54      albertel 3446:     foreach my $partid (@partid) {
1.478     albertel 3447: 	$header .= '<th align="center">'.&mt('Old Score').'</th>'.
                   3448: 	    '<th align="center">'.&mt('New Score').'</th>';
1.54      albertel 3449: 	$columns{$partid}=2;
                   3450: 	foreach my $stores (@parts) {
                   3451: 	    my ($part,$type) = &split_part_type($stores);
                   3452: 	    if ($part !~ m/^\Q$partid\E/) { next;}
                   3453: 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
                   3454: 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
                   3455: 	    $display =~ s/\[Part: (\w)+\]//;
1.125     ng       3456: 	    $display =~ s/Number of Attempts/Tries/;
1.478     albertel 3457: 	    $header .= '<th align="center">'.&mt('Old '.$display).'</th>'.
                   3458: 		'<th align="center">'.&mt('New '.$display).'</th>';
1.54      albertel 3459: 	    $columns{$partid}+=2;
                   3460: 	}
                   3461:     }
                   3462:     foreach my $partid (@partid) {
1.324     albertel 3463: 	my $display_part=&get_display_part($partid,$symb);
1.478     albertel 3464: 	$result .= '<th colspan="'.$columns{$partid}.'" align="center">'.
                   3465: 	    &mt('Part: [_1] (Weight = [_2])',$display_part,$weight{$partid}).
                   3466: 	    '</th>';
1.54      albertel 3467: 
1.44      ng       3468:     }
1.477     albertel 3469:     $result .= &Apache::loncommon::end_data_table_header_row().
                   3470: 	&Apache::loncommon::start_data_table_header_row().
                   3471: 	$header.
                   3472: 	&Apache::loncommon::end_data_table_header_row();
                   3473:     my @noupdate;
1.126     ng       3474:     my ($updateCtr,$noupdateCtr) = (1,1);
1.257     albertel 3475:     for ($i=0; $i<$env{'form.total'}; $i++) {
1.93      albertel 3476: 	my $line;
1.257     albertel 3477: 	my $user = $env{'form.ctr'.$i};
1.281     albertel 3478: 	my ($uname,$udom)=split(/:/,$user);
1.44      ng       3479: 	my %newrecord;
                   3480: 	my $updateflag = 0;
1.281     albertel 3481: 	$line .= '<td>'.&nameUserString(undef,$$fullname{$user},$uname,$udom).'</td>';
1.108     albertel 3482: 	my $usec=$classlist->{"$uname:$udom"}[5];
1.105     albertel 3483: 	if (!&canmodify($usec)) {
1.126     ng       3484: 	    my $numcols=scalar(@partid)*4+2;
1.477     albertel 3485: 	    push(@noupdate,
1.478     albertel 3486: 		 $line."<td colspan=\"$numcols\"><span class=\"LC_warning\">".
                   3487: 		 &mt('Not allowed to modify student')."</span></td></tr>");
1.105     albertel 3488: 	    next;
                   3489: 	}
1.269     raeburn  3490:         my %aggregate = ();
                   3491:         my $aggregateflag = 0;
1.281     albertel 3492: 	$user=~s/:/_/; # colon doen't work in javascript for names
1.44      ng       3493: 	foreach (@partid) {
1.257     albertel 3494: 	    my $old_aw    = $env{'form.GD_'.$user.'_'.$_.'_awarded_s'};
1.54      albertel 3495: 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
                   3496: 	    my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
1.257     albertel 3497: 	    my $old_score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
                   3498: 	    my $awarded   = $env{'form.GD_'.$user.'_'.$_.'_awarded'};
1.54      albertel 3499: 	    my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
                   3500: 	    my $partial   = $awarded eq '' ? '' : $pcr;
1.44      ng       3501: 	    my $score;
                   3502: 	    if ($partial eq '') {
1.257     albertel 3503: 		$score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
1.44      ng       3504: 	    } elsif ($partial > 0) {
                   3505: 		$score = 'correct_by_override';
                   3506: 	    } elsif ($partial == 0) {
                   3507: 		$score = 'incorrect_by_override';
                   3508: 	    }
1.257     albertel 3509: 	    my $dropMenu = $env{'form.GD_'.$user.'_'.$_.'_solved'};
1.125     ng       3510: 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
                   3511: 
1.292     albertel 3512: 	    $newrecord{'resource.'.$_.'.regrader'}=
                   3513: 		"$env{'user.name'}:$env{'user.domain'}";
1.125     ng       3514: 	    if ($dropMenu eq 'reset status' &&
                   3515: 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
1.299     albertel 3516: 		$newrecord{'resource.'.$_.'.tries'} = '';
1.125     ng       3517: 		$newrecord{'resource.'.$_.'.solved'} = '';
                   3518: 		$newrecord{'resource.'.$_.'.award'} = '';
1.299     albertel 3519: 		$newrecord{'resource.'.$_.'.awarded'} = '';
1.125     ng       3520: 		$updateflag = 1;
1.269     raeburn  3521:                 if ($env{'form.GD_'.$user.'_'.$_.'_aggtries'} > 0) {
                   3522:                     my $aggtries = $env{'form.GD_'.$user.'_'.$_.'_aggtries'};
                   3523:                     my $totaltries = $env{'form.GD_'.$user.'_'.$_.'_totaltries'};
                   3524:                     my $solvedstatus = $env{'form.GD_'.$user.'_'.$_.'_solved_s'};
                   3525:                     &decrement_aggs($symb,$_,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   3526:                     $aggregateflag = 1;
                   3527:                 }
1.139     albertel 3528: 	    } elsif (!($old_part eq $partial && $old_score eq $score)) {
                   3529: 		$updateflag = 1;
                   3530: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
                   3531: 		$newrecord{'resource.'.$_.'.solved'}   = $score;
                   3532: 		$rec_update++;
1.125     ng       3533: 	    }
                   3534: 
1.93      albertel 3535: 	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.44      ng       3536: 		'<td align="center">'.$awarded.
                   3537: 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
1.5       albertel 3538: 
1.54      albertel 3539: 
                   3540: 	    my $partid=$_;
                   3541: 	    foreach my $stores (@parts) {
                   3542: 		my ($part,$type) = &split_part_type($stores);
                   3543: 		if ($part !~ m/^\Q$partid\E/) { next;}
                   3544: 		if ($type eq 'awarded' || $type eq 'solved') { next; }
1.257     albertel 3545: 		my $old_aw    = $env{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
                   3546: 		my $awarded   = $env{'form.GD_'.$user.'_'.$part.'_'.$type};
1.54      albertel 3547: 		if ($awarded ne '' && $awarded ne $old_aw) {
                   3548: 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
1.257     albertel 3549: 		    $newrecord{'resource.'.$part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.54      albertel 3550: 		    $updateflag=1;
                   3551: 		}
1.93      albertel 3552: 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.54      albertel 3553: 		    '<td align="center">'.$awarded.'&nbsp;</td>';
                   3554: 	    }
1.44      ng       3555: 	}
1.477     albertel 3556: 	$line.="\n";
1.301     albertel 3557: 
                   3558: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3559: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3560: 
1.44      ng       3561: 	if ($updateflag) {
                   3562: 	    $count++;
1.257     albertel 3563: 	    &Apache::lonnet::cstore(\%newrecord,$symb,$env{'request.course.id'},
1.89      albertel 3564: 				    $udom,$uname);
1.301     albertel 3565: 
                   3566: 	    if (&Apache::bridgetask::in_queue('gradingqueue',$symb,$cdom,
                   3567: 					      $cnum,$udom,$uname)) {
                   3568: 		# need to figure out if should be in queue.
                   3569: 		my %record =  
                   3570: 		    &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   3571: 					     $udom,$uname);
                   3572: 		my $all_graded = 1;
                   3573: 		my $none_graded = 1;
                   3574: 		foreach my $part (@parts) {
                   3575: 		    if ( $record{'resource.'.$part.'.awarded'} eq '' ) {
                   3576: 			$all_graded = 0;
                   3577: 		    } else {
                   3578: 			$none_graded = 0;
                   3579: 		    }
                   3580: 		}
                   3581: 
                   3582: 		if ($all_graded || $none_graded) {
                   3583: 		    &Apache::bridgetask::remove_from_queue('gradingqueue',
                   3584: 							   $symb,$cdom,$cnum,
                   3585: 							   $udom,$uname);
                   3586: 		}
                   3587: 	    }
                   3588: 
1.477     albertel 3589: 	    $result.=&Apache::loncommon::start_data_table_row().
                   3590: 		'<td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line.
                   3591: 		&Apache::loncommon::end_data_table_row();
1.126     ng       3592: 	    $updateCtr++;
1.93      albertel 3593: 	} else {
1.477     albertel 3594: 	    push(@noupdate,
                   3595: 		 '<td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line);
1.126     ng       3596: 	    $noupdateCtr++;
1.44      ng       3597: 	}
1.269     raeburn  3598:         if ($aggregateflag) {
                   3599:             &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 3600: 				  $cdom,$cnum);
1.269     raeburn  3601:         }
1.93      albertel 3602:     }
1.477     albertel 3603:     if (@noupdate) {
1.126     ng       3604: #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
                   3605: 	my $numcols=scalar(@partid)*4+2;
1.477     albertel 3606: 	$result .= &Apache::loncommon::start_data_table_row('LC_empty_row').
1.478     albertel 3607: 	    '<td align="center" colspan="'.$numcols.'">'.
                   3608: 	    &mt('No Changes Occurred For the Students Below').
                   3609: 	    '</td>'.
1.477     albertel 3610: 	    &Apache::loncommon::end_data_table_row();
                   3611: 	foreach my $line (@noupdate) {
                   3612: 	    $result.=
                   3613: 		&Apache::loncommon::start_data_table_row().
                   3614: 		$line.
                   3615: 		&Apache::loncommon::end_data_table_row();
                   3616: 	}
1.44      ng       3617:     }
1.477     albertel 3618:     $result .= &Apache::loncommon::end_data_table().
                   3619: 	&show_grading_menu_form($symb);
1.478     albertel 3620:     my $msg = '<p><b>'.
                   3621: 	&mt('Number of records updated = [_1] for [quant,_2,student].',
                   3622: 	    $rec_update,$count).'</b><br />'.
                   3623: 	'<b>'.&mt('Total number of students = [_1]',$env{'form.total'}).
                   3624: 	'</b></p>';
1.44      ng       3625:     return $title.$msg.$result;
1.5       albertel 3626: }
1.54      albertel 3627: 
                   3628: sub split_part_type {
                   3629:     my ($partstr) = @_;
                   3630:     my ($temp,@allparts)=split(/_/,$partstr);
                   3631:     my $type=pop(@allparts);
1.439     albertel 3632:     my $part=join('_',@allparts);
1.54      albertel 3633:     return ($part,$type);
                   3634: }
                   3635: 
1.44      ng       3636: #------------- end of section for handling grading by section/class ---------
                   3637: #
                   3638: #----------------------------------------------------------------------------
                   3639: 
1.5       albertel 3640: 
1.44      ng       3641: #----------------------------------------------------------------------------
                   3642: #
                   3643: #-------------------------- Next few routines handles grading by csv upload
                   3644: #
                   3645: #--- Javascript to handle csv upload
1.27      albertel 3646: sub csvupload_javascript_reverse_associate {
1.246     albertel 3647:     my $error1=&mt('You need to specify the username or ID');
                   3648:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 3649:   return(<<ENDPICK);
                   3650:   function verify(vf) {
                   3651:     var foundsomething=0;
                   3652:     var founduname=0;
1.243     albertel 3653:     var foundID=0;
1.27      albertel 3654:     for (i=0;i<=vf.nfields.value;i++) {
                   3655:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 3656:       if (i==0 && tw!=0) { foundID=1; }
                   3657:       if (i==1 && tw!=0) { founduname=1; }
                   3658:       if (i!=0 && i!=1 && i!=2 && tw!=0) { foundsomething=1; }
1.27      albertel 3659:     }
1.246     albertel 3660:     if (founduname==0 && foundID==0) {
                   3661: 	alert('$error1');
                   3662: 	return;
1.27      albertel 3663:     }
                   3664:     if (foundsomething==0) {
1.246     albertel 3665: 	alert('$error2');
                   3666: 	return;
1.27      albertel 3667:     }
                   3668:     vf.submit();
                   3669:   }
                   3670:   function flip(vf,tf) {
                   3671:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   3672:     var i;
                   3673:     for (i=0;i<=vf.nfields.value;i++) {
                   3674:       //can not pick the same destination field for both name and domain
                   3675:       if (((i ==0)||(i ==1)) && 
                   3676:           ((tf==0)||(tf==1)) && 
                   3677:           (i!=tf) &&
                   3678:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   3679:         eval('vf.f'+i+'.selectedIndex=0;')
                   3680:       }
                   3681:     }
                   3682:   }
                   3683: ENDPICK
                   3684: }
                   3685: 
                   3686: sub csvupload_javascript_forward_associate {
1.246     albertel 3687:     my $error1=&mt('You need to specify the username or ID');
                   3688:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 3689:   return(<<ENDPICK);
                   3690:   function verify(vf) {
                   3691:     var foundsomething=0;
                   3692:     var founduname=0;
1.243     albertel 3693:     var foundID=0;
1.27      albertel 3694:     for (i=0;i<=vf.nfields.value;i++) {
                   3695:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 3696:       if (tw==1) { foundID=1; }
                   3697:       if (tw==2) { founduname=1; }
                   3698:       if (tw>3) { foundsomething=1; }
1.27      albertel 3699:     }
1.246     albertel 3700:     if (founduname==0 && foundID==0) {
                   3701: 	alert('$error1');
                   3702: 	return;
1.27      albertel 3703:     }
                   3704:     if (foundsomething==0) {
1.246     albertel 3705: 	alert('$error2');
                   3706: 	return;
1.27      albertel 3707:     }
                   3708:     vf.submit();
                   3709:   }
                   3710:   function flip(vf,tf) {
                   3711:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   3712:     var i;
                   3713:     //can not pick the same destination field twice
                   3714:     for (i=0;i<=vf.nfields.value;i++) {
                   3715:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   3716:         eval('vf.f'+i+'.selectedIndex=0;')
                   3717:       }
                   3718:     }
                   3719:   }
                   3720: ENDPICK
                   3721: }
                   3722: 
1.26      albertel 3723: sub csvuploadmap_header {
1.324     albertel 3724:     my ($request,$symb,$datatoken,$distotal)= @_;
1.41      ng       3725:     my $javascript;
1.257     albertel 3726:     if ($env{'form.upfile_associate'} eq 'reverse') {
1.41      ng       3727: 	$javascript=&csvupload_javascript_reverse_associate();
                   3728:     } else {
                   3729: 	$javascript=&csvupload_javascript_forward_associate();
                   3730:     }
1.45      ng       3731: 
1.324     albertel 3732:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.257     albertel 3733:     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
1.245     albertel 3734:     my $ignore=&mt('Ignore First Line');
1.418     albertel 3735:     $symb = &Apache::lonenc::check_encrypt($symb);
1.41      ng       3736:     $request->print(<<ENDPICK);
1.26      albertel 3737: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.398     albertel 3738: <h3><span class="LC_info">Uploading Class Grades</span></h3>
1.45      ng       3739: $result
1.326     albertel 3740: <hr />
1.26      albertel 3741: <h3>Identify fields</h3>
                   3742: Total number of records found in file: $distotal <hr />
                   3743: Enter as many fields as you can. The system will inform you and bring you back
                   3744: to this page if the data selected is insufficient to run your class.<hr />
                   3745: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1.245     albertel 3746: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
1.26      albertel 3747: <input type="hidden" name="associate"  value="" />
                   3748: <input type="hidden" name="phase"      value="three" />
                   3749: <input type="hidden" name="datatoken"  value="$datatoken" />
1.257     albertel 3750: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
                   3751: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
1.26      albertel 3752: <input type="hidden" name="upfile_associate" 
1.257     albertel 3753:                                        value="$env{'form.upfile_associate'}" />
1.26      albertel 3754: <input type="hidden" name="symb"       value="$symb" />
1.257     albertel 3755: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
                   3756: <input type="hidden" name="probTitle"  value="$env{'form.probTitle'}" />
1.246     albertel 3757: <input type="hidden" name="command"    value="csvuploadoptions" />
1.26      albertel 3758: <hr />
                   3759: <script type="text/javascript" language="Javascript">
                   3760: $javascript
                   3761: </script>
                   3762: ENDPICK
1.118     ng       3763:     return '';
1.26      albertel 3764: 
                   3765: }
                   3766: 
                   3767: sub csvupload_fields {
1.324     albertel 3768:     my ($symb) = @_;
                   3769:     my (@parts) = &getpartlist($symb);
1.243     albertel 3770:     my @fields=(['ID','Student ID'],
                   3771: 		['username','Student Username'],
                   3772: 		['domain','Student Domain']);
1.324     albertel 3773:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.41      ng       3774:     foreach my $part (sort(@parts)) {
                   3775: 	my @datum;
                   3776: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
                   3777: 	my $name=$part;
                   3778: 	if  (!$display) { $display = $name; }
                   3779: 	@datum=($name,$display);
1.244     albertel 3780: 	if ($name=~/^stores_(.*)_awarded/) {
                   3781: 	    push(@fields,['stores_'.$1.'_points',"Points [Part: $1]"]);
                   3782: 	}
1.41      ng       3783: 	push(@fields,\@datum);
                   3784:     }
                   3785:     return (@fields);
1.26      albertel 3786: }
                   3787: 
                   3788: sub csvuploadmap_footer {
1.41      ng       3789:     my ($request,$i,$keyfields) =@_;
                   3790:     $request->print(<<ENDPICK);
1.26      albertel 3791: </table>
                   3792: <input type="hidden" name="nfields" value="$i" />
                   3793: <input type="hidden" name="keyfields" value="$keyfields" />
                   3794: <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
                   3795: </form>
                   3796: ENDPICK
                   3797: }
                   3798: 
1.283     albertel 3799: sub checkforfile_js {
1.86      ng       3800:     my $result =<<CSVFORMJS;
                   3801: <script type="text/javascript" language="javascript">
                   3802:     function checkUpload(formname) {
                   3803: 	if (formname.upfile.value == "") {
                   3804: 	    alert("Please use the browse button to select a file from your local directory.");
                   3805: 	    return false;
                   3806: 	}
                   3807: 	formname.submit();
                   3808:     }
                   3809:     </script>
                   3810: CSVFORMJS
1.283     albertel 3811:     return $result;
                   3812: }
                   3813: 
                   3814: sub upcsvScores_form {
                   3815:     my ($request) = shift;
1.324     albertel 3816:     my ($symb)=&get_symb($request);
1.283     albertel 3817:     if (!$symb) {return '';}
                   3818:     my $result=&checkforfile_js();
1.257     albertel 3819:     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
1.324     albertel 3820:     my ($table) = &showResourceInfo($symb,$env{'form.probTitle'});
1.118     ng       3821:     $result.=$table;
1.326     albertel 3822:     $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
                   3823:     $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
1.370     www      3824:     $result.='&nbsp;<b>'.&mt('Specify a file containing the class scores for current resource').
1.86      ng       3825: 	'.</b></td></tr>'."\n";
                   3826:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
1.370     www      3827:     my $upload=&mt("Upload Scores");
1.86      ng       3828:     my $upfile_select=&Apache::loncommon::upfile_select_html();
1.245     albertel 3829:     my $ignore=&mt('Ignore First Line');
1.418     albertel 3830:     $symb = &Apache::lonenc::check_encrypt($symb);
1.86      ng       3831:     $result.=<<ENDUPFORM;
1.106     albertel 3832: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.86      ng       3833: <input type="hidden" name="symb" value="$symb" />
                   3834: <input type="hidden" name="command" value="csvuploadmap" />
1.257     albertel 3835: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   3836: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
1.86      ng       3837: $upfile_select
1.370     www      3838: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="$upload" />
1.283     albertel 3839: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
1.86      ng       3840: </form>
                   3841: ENDUPFORM
1.370     www      3842:     $result.=&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
                   3843:                            &mt("How do I create a CSV file from a spreadsheet"))
                   3844:     .'</td></tr></table>'."\n";
1.86      ng       3845:     $result.='</td></tr></table><br /><br />'."\n";
1.324     albertel 3846:     $result.=&show_grading_menu_form($symb);
1.86      ng       3847:     return $result;
                   3848: }
                   3849: 
                   3850: 
1.26      albertel 3851: sub csvuploadmap {
1.41      ng       3852:     my ($request)= @_;
1.324     albertel 3853:     my ($symb)=&get_symb($request);
1.41      ng       3854:     if (!$symb) {return '';}
1.72      ng       3855: 
1.41      ng       3856:     my $datatoken;
1.257     albertel 3857:     if (!$env{'form.datatoken'}) {
1.41      ng       3858: 	$datatoken=&Apache::loncommon::upfile_store($request);
1.26      albertel 3859:     } else {
1.257     albertel 3860: 	$datatoken=$env{'form.datatoken'};
1.41      ng       3861: 	&Apache::loncommon::load_tmp_file($request);
1.26      albertel 3862:     }
1.41      ng       3863:     my @records=&Apache::loncommon::upfile_record_sep();
1.257     albertel 3864:     if ($env{'form.noFirstLine'}) { shift(@records); }
1.324     albertel 3865:     &csvuploadmap_header($request,$symb,$datatoken,$#records+1);
1.41      ng       3866:     my ($i,$keyfields);
                   3867:     if (@records) {
1.324     albertel 3868: 	my @fields=&csvupload_fields($symb);
1.45      ng       3869: 
1.257     albertel 3870: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
1.41      ng       3871: 	    &Apache::loncommon::csv_print_samples($request,\@records);
                   3872: 	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
                   3873: 							  \@fields);
                   3874: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
                   3875: 	    chop($keyfields);
                   3876: 	} else {
                   3877: 	    unshift(@fields,['none','']);
                   3878: 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
                   3879: 							    \@fields);
1.311     banghart 3880:             foreach my $rec (@records) {
                   3881:                 my %temp = &Apache::loncommon::record_sep($rec);
                   3882:                 if (%temp) {
                   3883:                     $keyfields=join(',',sort(keys(%temp)));
                   3884:                     last;
                   3885:                 }
                   3886:             }
1.41      ng       3887: 	}
                   3888:     }
                   3889:     &csvuploadmap_footer($request,$i,$keyfields);
1.324     albertel 3890:     $request->print(&show_grading_menu_form($symb));
1.72      ng       3891: 
1.41      ng       3892:     return '';
1.27      albertel 3893: }
                   3894: 
1.246     albertel 3895: sub csvuploadoptions {
1.41      ng       3896:     my ($request)= @_;
1.324     albertel 3897:     my ($symb)=&get_symb($request);
1.257     albertel 3898:     my $checked=(($env{'form.noFirstLine'})?'1':'0');
1.246     albertel 3899:     my $ignore=&mt('Ignore First Line');
                   3900:     $request->print(<<ENDPICK);
                   3901: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.398     albertel 3902: <h3><span class="LC_info">Uploading Class Grade Options</span></h3>
1.246     albertel 3903: <input type="hidden" name="command"    value="csvuploadassign" />
1.302     albertel 3904: <!--
1.246     albertel 3905: <p>
                   3906: <label>
                   3907:    <input type="checkbox" name="show_full_results" />
                   3908:    Show a table of all changes
                   3909: </label>
                   3910: </p>
1.302     albertel 3911: -->
1.246     albertel 3912: <p>
                   3913: <label>
                   3914:    <input type="checkbox" name="overwite_scores" checked="checked" />
                   3915:    Overwrite any existing score
                   3916: </label>
                   3917: </p>
                   3918: ENDPICK
                   3919:     my %fields=&get_fields();
                   3920:     if (!defined($fields{'domain'})) {
1.257     albertel 3921: 	my $domform = &Apache::loncommon::select_dom_form($env{'request.role.domain'},'default_domain');
1.246     albertel 3922: 	$request->print("\n<p> Users are in domain: ".$domform."</p>\n");
                   3923:     }
1.257     albertel 3924:     foreach my $key (sort(keys(%env))) {
1.246     albertel 3925: 	if ($key !~ /^form\.(.*)$/) { next; }
                   3926: 	my $cleankey=$1;
                   3927: 	if ($cleankey eq 'command') { next; }
                   3928: 	$request->print('<input type="hidden" name="'.$cleankey.
1.257     albertel 3929: 			'"  value="'.$env{$key}.'" />'."\n");
1.246     albertel 3930:     }
                   3931:     # FIXME do a check for any duplicated user ids...
                   3932:     # FIXME do a check for any invalid user ids?...
1.290     albertel 3933:     $request->print('<input type="submit" value="Assign Grades" /><br />
                   3934: <hr /></form>'."\n");
1.324     albertel 3935:     $request->print(&show_grading_menu_form($symb));
1.246     albertel 3936:     return '';
                   3937: }
                   3938: 
                   3939: sub get_fields {
                   3940:     my %fields;
1.257     albertel 3941:     my @keyfields = split(/\,/,$env{'form.keyfields'});
                   3942:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
                   3943: 	if ($env{'form.upfile_associate'} eq 'reverse') {
                   3944: 	    if ($env{'form.f'.$i} ne 'none') {
                   3945: 		$fields{$keyfields[$i]}=$env{'form.f'.$i};
1.41      ng       3946: 	    }
                   3947: 	} else {
1.257     albertel 3948: 	    if ($env{'form.f'.$i} ne 'none') {
                   3949: 		$fields{$env{'form.f'.$i}}=$keyfields[$i];
1.41      ng       3950: 	    }
                   3951: 	}
1.27      albertel 3952:     }
1.246     albertel 3953:     return %fields;
                   3954: }
                   3955: 
                   3956: sub csvuploadassign {
                   3957:     my ($request)= @_;
1.324     albertel 3958:     my ($symb)=&get_symb($request);
1.246     albertel 3959:     if (!$symb) {return '';}
1.345     bowersj2 3960:     my $error_msg = '';
1.246     albertel 3961:     &Apache::loncommon::load_tmp_file($request);
                   3962:     my @gradedata = &Apache::loncommon::upfile_record_sep();
1.257     albertel 3963:     if ($env{'form.noFirstLine'}) { shift(@gradedata); }
1.246     albertel 3964:     my %fields=&get_fields();
1.41      ng       3965:     $request->print('<h3>Assigning Grades</h3>');
1.257     albertel 3966:     my $courseid=$env{'request.course.id'};
1.97      albertel 3967:     my ($classlist) = &getclasslist('all',0);
1.106     albertel 3968:     my @notallowed;
1.41      ng       3969:     my @skipped;
                   3970:     my $countdone=0;
                   3971:     foreach my $grade (@gradedata) {
                   3972: 	my %entries=&Apache::loncommon::record_sep($grade);
1.246     albertel 3973: 	my $domain;
                   3974: 	if ($entries{$fields{'domain'}}) {
                   3975: 	    $domain=$entries{$fields{'domain'}};
                   3976: 	} else {
1.257     albertel 3977: 	    $domain=$env{'form.default_domain'};
1.246     albertel 3978: 	}
1.243     albertel 3979: 	$domain=~s/\s//g;
1.41      ng       3980: 	my $username=$entries{$fields{'username'}};
1.160     albertel 3981: 	$username=~s/\s//g;
1.243     albertel 3982: 	if (!$username) {
                   3983: 	    my $id=$entries{$fields{'ID'}};
1.247     albertel 3984: 	    $id=~s/\s//g;
1.243     albertel 3985: 	    my %ids=&Apache::lonnet::idget($domain,$id);
                   3986: 	    $username=$ids{$id};
                   3987: 	}
1.41      ng       3988: 	if (!exists($$classlist{"$username:$domain"})) {
1.247     albertel 3989: 	    my $id=$entries{$fields{'ID'}};
                   3990: 	    $id=~s/\s//g;
                   3991: 	    if ($id) {
                   3992: 		push(@skipped,"$id:$domain");
                   3993: 	    } else {
                   3994: 		push(@skipped,"$username:$domain");
                   3995: 	    }
1.41      ng       3996: 	    next;
                   3997: 	}
1.108     albertel 3998: 	my $usec=$classlist->{"$username:$domain"}[5];
1.106     albertel 3999: 	if (!&canmodify($usec)) {
                   4000: 	    push(@notallowed,"$username:$domain");
                   4001: 	    next;
                   4002: 	}
1.244     albertel 4003: 	my %points;
1.41      ng       4004: 	my %grades;
                   4005: 	foreach my $dest (keys(%fields)) {
1.244     albertel 4006: 	    if ($dest eq 'ID' || $dest eq 'username' ||
                   4007: 		$dest eq 'domain') { next; }
                   4008: 	    if ($entries{$fields{$dest}} =~ /^\s*$/) { next; }
                   4009: 	    if ($dest=~/stores_(.*)_points/) {
                   4010: 		my $part=$1;
                   4011: 		my $wgt =&Apache::lonnet::EXT('resource.'.$part.'.weight',
                   4012: 					      $symb,$domain,$username);
1.345     bowersj2 4013:                 if ($wgt) {
                   4014:                     $entries{$fields{$dest}}=~s/\s//g;
                   4015:                     my $pcr=$entries{$fields{$dest}} / $wgt;
1.463     albertel 4016:                     my $award=($pcr == 0) ? 'incorrect_by_override'
                   4017:                                           : 'correct_by_override';
1.345     bowersj2 4018:                     $grades{"resource.$part.awarded"}=$pcr;
                   4019:                     $grades{"resource.$part.solved"}=$award;
                   4020:                     $points{$part}=1;
                   4021:                 } else {
                   4022:                     $error_msg = "<br />" .
                   4023:                         &mt("Some point values were assigned"
                   4024:                             ." for problems with a weight "
                   4025:                             ."of zero. These values were "
                   4026:                             ."ignored.");
                   4027:                 }
1.244     albertel 4028: 	    } else {
                   4029: 		if ($dest=~/stores_(.*)_awarded/) { if ($points{$1}) {next;} }
                   4030: 		if ($dest=~/stores_(.*)_solved/)  { if ($points{$1}) {next;} }
                   4031: 		my $store_key=$dest;
                   4032: 		$store_key=~s/^stores/resource/;
                   4033: 		$store_key=~s/_/\./g;
                   4034: 		$grades{$store_key}=$entries{$fields{$dest}};
                   4035: 	    }
1.41      ng       4036: 	}
1.508     www      4037: 	if (! %grades) { 
                   4038:            push(@skipped,&mt("[_1]: no data to save","$username:$domain")); 
                   4039:         } else {
                   4040: 	   $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
                   4041: 	   my $result=&Apache::lonnet::cstore(\%grades,$symb,
1.302     albertel 4042: 					   $env{'request.course.id'},
                   4043: 					   $domain,$username);
1.508     www      4044: 	   if ($result eq 'ok') {
                   4045: 	      $request->print('.');
                   4046: 	   } else {
                   4047: 	      $request->print("<p><span class=\"LC_error\">".
                   4048:                               &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]",
                   4049:                                   "$username:$domain",$result)."</span></p>");
                   4050: 	   }
                   4051: 	   $request->rflush();
                   4052: 	   $countdone++;
                   4053:         }
1.41      ng       4054:     }
1.508     www      4055:     $request->print('<br /><span class="LC_info">'.&mt("Saved [_1] students",$countdone)."</span>\n");
1.41      ng       4056:     if (@skipped) {
1.508     www      4057: 	$request->print('<p><span class="LC_warning">'.&mt('Skipped Students').'</span></p>');
1.106     albertel 4058: 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
                   4059:     }
                   4060:     if (@notallowed) {
1.508     www      4061: 	$request->print('<p><span class="LC_error">'.&mt('Students Not Allowed to Modify').'</span></p>');
1.106     albertel 4062: 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
1.41      ng       4063:     }
1.106     albertel 4064:     $request->print("<br />\n");
1.324     albertel 4065:     $request->print(&show_grading_menu_form($symb));
1.345     bowersj2 4066:     return $error_msg;
1.26      albertel 4067: }
1.44      ng       4068: #------------- end of section for handling csv file upload ---------
                   4069: #
                   4070: #-------------------------------------------------------------------
                   4071: #
1.122     ng       4072: #-------------- Next few routines handle grading by page/sequence
1.72      ng       4073: #
                   4074: #--- Select a page/sequence and a student to grade
1.68      ng       4075: sub pickStudentPage {
                   4076:     my ($request) = shift;
                   4077: 
                   4078:     $request->print(<<LISTJAVASCRIPT);
                   4079: <script type="text/javascript" language="javascript">
                   4080: 
                   4081: function checkPickOne(formname) {
1.76      ng       4082:     if (radioSelection(formname.student) == null) {
1.68      ng       4083: 	alert("Please select the student you wish to grade.");
                   4084: 	return;
                   4085:     }
1.125     ng       4086:     ptr = pullDownSelection(formname.selectpage);
                   4087:     formname.page.value = formname["page"+ptr].value;
                   4088:     formname.title.value = formname["title"+ptr].value;
1.68      ng       4089:     formname.submit();
                   4090: }
                   4091: 
                   4092: </script>
                   4093: LISTJAVASCRIPT
1.118     ng       4094:     &commonJSfunctions($request);
1.324     albertel 4095:     my ($symb) = &get_symb($request);
1.257     albertel 4096:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4097:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4098:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
1.68      ng       4099: 
1.398     albertel 4100:     my $result='<h3><span class="LC_info">&nbsp;'.
1.485     albertel 4101: 	&mt('Manual Grading by Page or Sequence').'</span></h3>';
1.68      ng       4102: 
1.80      ng       4103:     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
1.423     albertel 4104:     my ($titles,$symbx) = &getSymbMap();
1.137     albertel 4105:     my ($curpage) =&Apache::lonnet::decode_symb($symb); 
                   4106: #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
                   4107: #    my $type=($curpage =~ /\.(page|sequence)/);
1.485     albertel 4108:     my $select = '<select name="selectpage">'."\n";
1.70      ng       4109:     my $ctr=0;
1.68      ng       4110:     foreach (@$titles) {
                   4111: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
1.485     albertel 4112: 	$select.='<option value="'.$ctr.'" '.
1.401     albertel 4113: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.71      ng       4114: 	    '>'.$showtitle.'</option>'."\n";
1.70      ng       4115: 	$ctr++;
1.68      ng       4116:     }
1.485     albertel 4117:     $select.= '</select>';
                   4118:     $result.=&mt('&nbsp;<b>Problems from:</b> [_1]',$select)."<br />\n";
                   4119: 
1.70      ng       4120:     $ctr=0;
                   4121:     foreach (@$titles) {
                   4122: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   4123: 	$result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
                   4124: 	$result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
                   4125: 	$ctr++;
                   4126:     }
1.72      ng       4127:     $result.='<input type="hidden" name="page" />'."\n".
                   4128: 	'<input type="hidden" name="title" />'."\n";
1.68      ng       4129: 
1.485     albertel 4130:     my $options =
                   4131: 	'<label><input type="radio" name="vProb" value="no" checked="checked" /> '.&mt('no').' </label>'."\n".
                   4132: 	'<label><input type="radio" name="vProb" value="yes" /> '.&mt('yes').' </label>'."<br />\n";
                   4133:     $result.='&nbsp;'.&mt('<b>View Problems Text: </b> [_1]',$options);
                   4134: 
                   4135:     $options =
                   4136: 	'<label><input type="radio" name="lastSub" value="none" /> '.&mt('none').' </label>'."\n".
                   4137: 	'<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> '.&mt('by dates and submissions').'</label>'."\n".
                   4138: 	'<label><input type="radio" name="lastSub" value="all" /> '.&mt('all details').' </label>'."\n";
                   4139:     $result.='&nbsp;'.&mt('<b>Submission Details: </b>[_1]',$options);
1.432     banghart 4140:     
                   4141:     $result.=&build_section_inputs();
1.442     banghart 4142:     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
                   4143:     $result.='<input type="hidden" name="Status"  value="'.$stu_status.'" />'."\n".
1.72      ng       4144: 	'<input type="hidden" name="command" value="displayPage" />'."\n".
1.418     albertel 4145: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 4146: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
1.72      ng       4147: 
1.485     albertel 4148:     $result.='&nbsp;'.&mt('<b>Use CODE: [_1] </b>',
                   4149: 			  '<input type="text" name="CODE" value="" />').
                   4150: 			      '<br />'."\n";
1.382     albertel 4151: 
1.80      ng       4152:     $result.='&nbsp;<input type="button" '.
1.485     albertel 4153: 	'onClick="javascript:checkPickOne(this.form);" value="'.&mt('Next-&gt;').'" /><br />'."\n";
1.72      ng       4154: 
1.68      ng       4155:     $request->print($result);
                   4156: 
1.485     albertel 4157:     my $studentTable.='&nbsp;<b>'.&mt('Select a student you wish to grade and then click on the Next button.').'</b><br />'.
1.484     albertel 4158: 	&Apache::loncommon::start_data_table().
                   4159: 	&Apache::loncommon::start_data_table_header_row().
1.485     albertel 4160: 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
1.484     albertel 4161: 	'<th>'.&nameUserString('header').'</th>'.
1.485     albertel 4162: 	'<th align="right">&nbsp;'.&mt('No.').'</th>'.
1.484     albertel 4163: 	'<th>'.&nameUserString('header').'</th>'.
                   4164: 	&Apache::loncommon::end_data_table_header_row();
1.68      ng       4165:  
1.76      ng       4166:     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
1.68      ng       4167:     my $ptr = 1;
1.294     albertel 4168:     foreach my $student (sort 
                   4169: 			 {
                   4170: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   4171: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   4172: 			     }
                   4173: 			     return $a cmp $b;
                   4174: 			 } (keys(%$fullname))) {
1.68      ng       4175: 	my ($uname,$udom) = split(/:/,$student);
1.484     albertel 4176: 	$studentTable.=($ptr%2==1 ? &Apache::loncommon::start_data_table_row()
                   4177:                                   : '</td>');
1.126     ng       4178: 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
1.288     albertel 4179: 	$studentTable.='<td>&nbsp;<label><input type="radio" name="student" value="'.$student.'" /> '
                   4180: 	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."</label>\n";
1.484     albertel 4181: 	$studentTable.=
                   4182: 	    ($ptr%2 == 0 ? '</td>'.&Apache::loncommon::end_data_table_row() 
                   4183:                          : '');
1.68      ng       4184: 	$ptr++;
                   4185:     }
1.484     albertel 4186:     if ($ptr%2 == 0) {
                   4187: 	$studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td>'.
                   4188: 	    &Apache::loncommon::end_data_table_row();
                   4189:     }
                   4190:     $studentTable.=&Apache::loncommon::end_data_table()."\n";
1.126     ng       4191:     $studentTable.='<input type="button" '.
1.485     albertel 4192: 	'onClick="javascript:checkPickOne(this.form);" value="'.&mt('Next-&gt;').'" /></form>'."\n";
1.68      ng       4193: 
1.324     albertel 4194:     $studentTable.=&show_grading_menu_form($symb);
1.68      ng       4195:     $request->print($studentTable);
                   4196: 
                   4197:     return '';
                   4198: }
                   4199: 
                   4200: sub getSymbMap {
1.132     bowersj2 4201:     my $navmap = Apache::lonnavmaps::navmap->new();
1.68      ng       4202: 
                   4203:     my %symbx = ();
                   4204:     my @titles = ();
1.117     bowersj2 4205:     my $minder = 0;
                   4206: 
                   4207:     # Gather every sequence that has problems.
1.240     albertel 4208:     my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); },
                   4209: 					       1,0,1);
1.117     bowersj2 4210:     for my $sequence ($navmap->getById('0.0'), @sequences) {
1.241     albertel 4211: 	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
1.381     albertel 4212: 	    my $title = $minder.'.'.
                   4213: 		&HTML::Entities::encode($sequence->compTitle(),'"\'&');
                   4214: 	    push(@titles, $title); # minder in case two titles are identical
                   4215: 	    $symbx{$title} = &HTML::Entities::encode($sequence->symb(),'"\'&');
1.117     bowersj2 4216: 	    $minder++;
1.241     albertel 4217: 	}
1.68      ng       4218:     }
                   4219:     return \@titles,\%symbx;
                   4220: }
                   4221: 
1.72      ng       4222: #
                   4223: #--- Displays a page/sequence w/wo problems, w/wo submissions
1.68      ng       4224: sub displayPage {
                   4225:     my ($request) = shift;
                   4226: 
1.324     albertel 4227:     my ($symb) = &get_symb($request);
1.257     albertel 4228:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4229:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4230:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   4231:     my $pageTitle = $env{'form.page'};
1.103     albertel 4232:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 4233:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   4234:     my $usec=$classlist->{$env{'form.student'}}[5];
1.168     albertel 4235: 
                   4236:     #need to make sure we have the correct data for later EXT calls, 
                   4237:     #thus invalidate the cache
                   4238:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 4239:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   4240:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 4241:     &Apache::lonnet::clear_EXT_cache_status();
                   4242: 
1.103     albertel 4243:     if (!&canview($usec)) {
1.485     albertel 4244: 	$request->print('<span class="LC_warning">'.&mt('Unable to view requested student. ([_1])',$env{'form.student'}).'</span>');
1.324     albertel 4245: 	$request->print(&show_grading_menu_form($symb));
1.103     albertel 4246: 	return;
                   4247:     }
1.398     albertel 4248:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.485     albertel 4249:     $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).
1.129     ng       4250: 	'</h3>'."\n";
1.500     albertel 4251:     $env{'form.CODE'} = uc($env{'form.CODE'});
1.501     foxr     4252:     if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) {
1.485     albertel 4253: 	$result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";
1.382     albertel 4254:     } else {
                   4255: 	delete($env{'form.CODE'});
                   4256:     }
1.71      ng       4257:     &sub_page_js($request);
                   4258:     $request->print($result);
                   4259: 
1.132     bowersj2 4260:     my $navmap = Apache::lonnavmaps::navmap->new();
1.257     albertel 4261:     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'});
1.68      ng       4262:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 4263:     if (!$map) {
1.485     albertel 4264: 	$request->print('<span class="LC_warning">'.&mt('Unable to view requested sequence. ([_1])',$resUrl).'</span>');
1.324     albertel 4265: 	$request->print(&show_grading_menu_form($symb));
1.288     albertel 4266: 	return; 
                   4267:     }
1.68      ng       4268:     my $iterator = $navmap->getIterator($map->map_start(),
                   4269: 					$map->map_finish());
                   4270: 
1.71      ng       4271:     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
1.72      ng       4272: 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
1.257     albertel 4273: 	'<input type="hidden" name="fullname" value="'.$$fullname{$env{'form.student'}}.'" />'."\n".
                   4274: 	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
1.72      ng       4275: 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
1.257     albertel 4276: 	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
1.418     albertel 4277: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.125     ng       4278: 	'<input type="hidden" name="overRideScore" value="no" />'."\n".
1.257     albertel 4279: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n";
1.71      ng       4280: 
1.382     albertel 4281:     if (defined($env{'form.CODE'})) {
                   4282: 	$studentTable.=
                   4283: 	    '<input type="hidden" name="CODE" value="'.$env{'form.CODE'}.'" />'."\n";
                   4284:     }
1.381     albertel 4285:     my $checkIcon = '<img alt="'.&mt('Check Mark').
1.485     albertel 4286: 	'" src="'.&Apache::loncommon::lonhttpdurl($request->dir_config('lonIconsURL').'/check.gif').'" height="16" border="0" />';
1.71      ng       4287: 
1.485     albertel 4288:     $studentTable.='&nbsp;'.&mt('<b>Note:</b> Problems graded correct by the computer are marked with a [_1] symbol.',$checkIcon)."\n".
1.484     albertel 4289: 	&Apache::loncommon::start_data_table().
                   4290: 	&Apache::loncommon::start_data_table_header_row().
                   4291: 	'<th align="center">&nbsp;Prob.&nbsp;</th>'.
1.485     albertel 4292: 	'<th>&nbsp;'.($env{'form.vProb'} eq 'no' ? &mt('Title') : &mt('Problem Text')).'/'.&mt('Grade').'</th>'.
1.484     albertel 4293: 	&Apache::loncommon::end_data_table_header_row();
1.71      ng       4294: 
1.329     albertel 4295:     &Apache::lonxml::clear_problem_counter();
1.196     albertel 4296:     my ($depth,$question,$prob) = (1,1,1);
1.68      ng       4297:     $iterator->next(); # skip the first BEGIN_MAP
                   4298:     my $curRes = $iterator->next(); # for "current resource"
1.101     albertel 4299:     while ($depth > 0) {
1.68      ng       4300:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4301:         if($curRes == $iterator->END_MAP) { $depth--; }
1.68      ng       4302: 
1.385     albertel 4303:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4304: 	    my $parts = $curRes->parts();
1.68      ng       4305:             my $title = $curRes->compTitle();
1.71      ng       4306: 	    my $symbx = $curRes->symb();
1.484     albertel 4307: 	    $studentTable.=
                   4308: 		&Apache::loncommon::start_data_table_row().
                   4309: 		'<td align="center" valign="top" >'.$prob.
1.485     albertel 4310: 		(scalar(@{$parts}) == 1 ? '' 
                   4311: 		                        : '<br />('.&mt('[_1]&nbsp;parts)',
                   4312: 							scalar(@{$parts}))
                   4313: 		 ).
                   4314: 		 '</td>';
1.71      ng       4315: 	    $studentTable.='<td valign="top">';
1.382     albertel 4316: 	    my %form = ('CODE' => $env{'form.CODE'},);
1.257     albertel 4317: 	    if ($env{'form.vProb'} eq 'yes' ) {
1.144     albertel 4318: 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
1.383     albertel 4319: 					     undef,'both',\%form);
1.71      ng       4320: 	    } else {
1.382     albertel 4321: 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'},%form);
1.80      ng       4322: 		$companswer =~ s|<form(.*?)>||g;
                   4323: 		$companswer =~ s|</form>||g;
1.71      ng       4324: #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
1.116     ng       4325: #		    $companswer =~ s/$1/ /ms;
1.326     albertel 4326: #		    $request->print('match='.$1."<br />\n");
1.71      ng       4327: #		}
1.116     ng       4328: #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
1.485     albertel 4329: 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;'.&mt('<b>Correct answer:</b><br />[_1]',$companswer);
1.71      ng       4330: 	    }
                   4331: 
1.257     albertel 4332: 	    my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname);
1.125     ng       4333: 
1.257     albertel 4334: 	    if ($env{'form.lastSub'} eq 'datesub') {
1.71      ng       4335: 		if ($record{'version'} eq '') {
1.485     albertel 4336: 		    $studentTable.='<br />&nbsp;<span class="LC_warning">'.&mt('No recorded submission for this problem.').'</span><br />';
1.71      ng       4337: 		} else {
1.116     ng       4338: 		    my %responseType = ();
                   4339: 		    foreach my $partid (@{$parts}) {
1.147     albertel 4340: 			my @responseIds =$curRes->responseIds($partid);
                   4341: 			my @responseType =$curRes->responseType($partid);
                   4342: 			my %responseIds;
                   4343: 			for (my $i=0;$i<=$#responseIds;$i++) {
                   4344: 			    $responseIds{$responseIds[$i]}=$responseType[$i];
                   4345: 			}
                   4346: 			$responseType{$partid} = \%responseIds;
1.116     ng       4347: 		    }
1.148     albertel 4348: 		    $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
1.147     albertel 4349: 
1.71      ng       4350: 		}
1.257     albertel 4351: 	    } elsif ($env{'form.lastSub'} eq 'all') {
                   4352: 		my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.71      ng       4353: 		$studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
1.257     albertel 4354: 									$env{'request.course.id'},
1.71      ng       4355: 									'','.submission');
                   4356:  
                   4357: 	    }
1.103     albertel 4358: 	    if (&canmodify($usec)) {
                   4359: 		foreach my $partid (@{$parts}) {
                   4360: 		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
                   4361: 		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
                   4362: 		    $question++;
                   4363: 		}
1.196     albertel 4364: 		$prob++;
1.71      ng       4365: 	    }
                   4366: 	    $studentTable.='</td></tr>';
1.68      ng       4367: 
1.103     albertel 4368: 	}
1.68      ng       4369:         $curRes = $iterator->next();
                   4370:     }
                   4371: 
1.485     albertel 4372:     $studentTable.='</table>'."\n".
                   4373: 	'<input type="button" value="'.&mt('Save').'" '.
1.381     albertel 4374: 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" />'.
1.71      ng       4375: 	'</form>'."\n";
1.324     albertel 4376:     $studentTable.=&show_grading_menu_form($symb);
1.71      ng       4377:     $request->print($studentTable);
                   4378: 
                   4379:     return '';
1.119     ng       4380: }
                   4381: 
                   4382: sub displaySubByDates {
1.148     albertel 4383:     my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
1.224     albertel 4384:     my $isCODE=0;
1.335     albertel 4385:     my $isTask = ($symb =~/\.task$/);
1.224     albertel 4386:     if (exists($record->{'resource.CODE'})) { $isCODE=1; }
1.467     albertel 4387:     my $studentTable=&Apache::loncommon::start_data_table().
                   4388: 	&Apache::loncommon::start_data_table_header_row().
                   4389: 	'<th>'.&mt('Date/Time').'</th>'.
                   4390: 	($isCODE?'<th>'.&mt('CODE').'</th>':'').
                   4391: 	'<th>'.&mt('Submission').'</th>'.
                   4392: 	'<th>'.&mt('Status').'</th>'.
                   4393: 	&Apache::loncommon::end_data_table_header_row();
1.119     ng       4394:     my ($version);
                   4395:     my %mark;
1.148     albertel 4396:     my %orders;
1.119     ng       4397:     $mark{'correct_by_student'} = $checkIcon;
1.147     albertel 4398:     if (!exists($$record{'1:timestamp'})) {
1.467     albertel 4399: 	return '<br />&nbsp;<span class="LC_warning">'.&mt('Nothing submitted - no attempts').'</span><br />';
1.147     albertel 4400:     }
1.335     albertel 4401: 
                   4402:     my $interaction;
1.119     ng       4403:     for ($version=1;$version<=$$record{'version'};$version++) {
1.467     albertel 4404: 	my $timestamp = 
                   4405: 	    &Apache::lonlocal::locallocaltime($$record{$version.':timestamp'});
1.335     albertel 4406: 	if (exists($$record{$version.':resource.0.version'})) {
                   4407: 	    $interaction = $$record{$version.':resource.0.version'};
                   4408: 	}
                   4409: 
                   4410: 	my $where = ($isTask ? "$version:resource.$interaction"
                   4411: 		             : "$version:resource");
1.467     albertel 4412: 	$studentTable.=&Apache::loncommon::start_data_table_row().
                   4413: 	    '<td>'.$timestamp.'</td>';
1.224     albertel 4414: 	if ($isCODE) {
                   4415: 	    $studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
                   4416: 	}
1.119     ng       4417: 	my @versionKeys = split(/\:/,$$record{$version.':keys'});
                   4418: 	my @displaySub = ();
                   4419: 	foreach my $partid (@{$parts}) {
1.335     albertel 4420: 	    my @matchKey = ($isTask ? sort(grep /^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys)
                   4421: 			            : sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys));
                   4422: 	    
                   4423: 
1.122     ng       4424: #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
1.324     albertel 4425: 	    my $display_part=&get_display_part($partid,$symb);
1.147     albertel 4426: 	    foreach my $matchKey (@matchKey) {
1.198     albertel 4427: 		if (exists($$record{$version.':'.$matchKey}) &&
                   4428: 		    $$record{$version.':'.$matchKey} ne '') {
1.335     albertel 4429: 
                   4430: 		    my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/)
                   4431: 				               : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/));
1.467     albertel 4432: 		    $displaySub[0].='<b>'.&mt('Part:').'</b>&nbsp;'.$display_part.'&nbsp;';
                   4433: 		    $displaySub[0].='<span class="LC_internal_info">('.&mt('ID').'&nbsp;'.
1.398     albertel 4434: 			$responseId.')</span>&nbsp;<b>';
1.335     albertel 4435: 		    if ($$record{"$where.$partid.tries"} eq '') {
1.467     albertel 4436: 			$displaySub[0].=&mt('Trial&nbsp;not&nbsp;counted');
1.147     albertel 4437: 		    } else {
1.467     albertel 4438: 			$displaySub[0].=&mt('Trial&nbsp;[_1]',
                   4439: 					    $$record{"$where.$partid.tries"});
1.147     albertel 4440: 		    }
1.335     albertel 4441: 		    my $responseType=($isTask ? 'Task'
                   4442:                                               : $responseType->{$partid}->{$responseId});
1.148     albertel 4443: 		    if (!exists($orders{$partid})) { $orders{$partid}={}; }
                   4444: 		    if (!exists($orders{$partid}->{$responseId})) {
                   4445: 			$orders{$partid}->{$responseId}=
                   4446: 			    &get_order($partid,$responseId,$symb,$uname,$udom);
                   4447: 		    }
1.147     albertel 4448: 		    $displaySub[0].='</b>&nbsp; '.
1.336     albertel 4449: 			&cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom).'<br />';
1.147     albertel 4450: 		}
                   4451: 	    }
1.335     albertel 4452: 	    if (exists($$record{"$where.$partid.checkedin"})) {
1.485     albertel 4453: 		$displaySub[1].=&mt('Checked in by [_1] into slot [_2]',
                   4454: 				    $$record{"$where.$partid.checkedin"},
                   4455: 				    $$record{"$where.$partid.checkedin.slot"}).
                   4456: 					'<br />';
1.335     albertel 4457: 	    }
                   4458: 	    if (exists $$record{"$where.$partid.award"}) {
1.485     albertel 4459: 		$displaySub[1].='<b>'.&mt('Part:').'</b>&nbsp;'.$display_part.' &nbsp;'.
1.335     albertel 4460: 		    lc($$record{"$where.$partid.award"}).' '.
                   4461: 		    $mark{$$record{"$where.$partid.solved"}}.
1.147     albertel 4462: 		    '<br />';
                   4463: 	    }
1.335     albertel 4464: 	    if (exists $$record{"$where.$partid.regrader"}) {
                   4465: 		$displaySub[2].=$$record{"$where.$partid.regrader"}.
                   4466: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
                   4467: 	    } elsif ($$record{"$version:resource.$partid.regrader"} =~ /\S/) {
                   4468: 		$displaySub[2].=
                   4469: 		    $$record{"$version:resource.$partid.regrader"}.
1.207     albertel 4470: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
1.147     albertel 4471: 	    }
                   4472: 	}
                   4473: 	# needed because old essay regrader has not parts info
                   4474: 	if (exists $$record{"$version:resource.regrader"}) {
                   4475: 	    $displaySub[2].=$$record{"$version:resource.regrader"};
                   4476: 	}
                   4477: 	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
                   4478: 	if ($displaySub[2]) {
1.467     albertel 4479: 	    $studentTable.=&mt('Manually graded by [_1]',$displaySub[2]);
1.147     albertel 4480: 	}
1.467     albertel 4481: 	$studentTable.='&nbsp;</td>'.
                   4482: 	    &Apache::loncommon::end_data_table_row();
1.119     ng       4483:     }
1.467     albertel 4484:     $studentTable.=&Apache::loncommon::end_data_table();
1.119     ng       4485:     return $studentTable;
1.71      ng       4486: }
                   4487: 
                   4488: sub updateGradeByPage {
                   4489:     my ($request) = shift;
                   4490: 
1.257     albertel 4491:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4492:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4493:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   4494:     my $pageTitle = $env{'form.page'};
1.103     albertel 4495:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 4496:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   4497:     my $usec=$classlist->{$env{'form.student'}}[5];
1.103     albertel 4498:     if (!&canmodify($usec)) {
1.398     albertel 4499: 	$request->print('<span class="LC_warning">Unable to modify requested student.('.$env{'form.student'}.'</span>');
1.324     albertel 4500: 	$request->print(&show_grading_menu_form($env{'form.symb'}));
1.103     albertel 4501: 	return;
                   4502:     }
1.398     albertel 4503:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.257     albertel 4504:     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
1.129     ng       4505: 	'</h3>'."\n";
1.70      ng       4506: 
1.68      ng       4507:     $request->print($result);
                   4508: 
1.132     bowersj2 4509:     my $navmap = Apache::lonnavmaps::navmap->new();
1.257     albertel 4510:     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'});
1.71      ng       4511:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 4512:     if (!$map) {
1.398     albertel 4513: 	$request->print('<span class="LC_warning">Unable to grade requested sequence. ('.$resUrl.')</span>');
1.324     albertel 4514: 	my ($symb)=&get_symb($request);
                   4515: 	$request->print(&show_grading_menu_form($symb));
1.288     albertel 4516: 	return; 
                   4517:     }
1.71      ng       4518:     my $iterator = $navmap->getIterator($map->map_start(),
                   4519: 					$map->map_finish());
1.70      ng       4520: 
1.484     albertel 4521:     my $studentTable=
                   4522: 	&Apache::loncommon::start_data_table().
                   4523: 	&Apache::loncommon::start_data_table_header_row().
1.485     albertel 4524: 	'<th align="center">&nbsp;'.&mt('Prob.').'&nbsp;</th>'.
                   4525: 	'<th>&nbsp;'.&mt('Title').'&nbsp;</th>'.
                   4526: 	'<th>&nbsp;'.&mt('Previous Score').'&nbsp;</th>'.
                   4527: 	'<th>&nbsp;'.&mt('New Score').'&nbsp;</th>'.
1.484     albertel 4528: 	&Apache::loncommon::end_data_table_header_row();
1.71      ng       4529: 
                   4530:     $iterator->next(); # skip the first BEGIN_MAP
                   4531:     my $curRes = $iterator->next(); # for "current resource"
1.196     albertel 4532:     my ($depth,$question,$prob,$changeflag)= (1,1,1,0);
1.101     albertel 4533:     while ($depth > 0) {
1.71      ng       4534:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4535:         if($curRes == $iterator->END_MAP) { $depth--; }
1.71      ng       4536: 
1.385     albertel 4537:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4538: 	    my $parts = $curRes->parts();
1.71      ng       4539:             my $title = $curRes->compTitle();
                   4540: 	    my $symbx = $curRes->symb();
1.484     albertel 4541: 	    $studentTable.=
                   4542: 		&Apache::loncommon::start_data_table_row().
                   4543: 		'<td align="center" valign="top" >'.$prob.
1.485     albertel 4544: 		(scalar(@{$parts}) == 1 ? '' 
                   4545:                                         : '<br />('.&mt('[quant,_1,&nbsp;parts]',scalar(@{$parts}))
                   4546: 		 ).')</td>';
1.71      ng       4547: 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
                   4548: 
                   4549: 	    my %newrecord=();
                   4550: 	    my @displayPts=();
1.269     raeburn  4551:             my %aggregate = ();
                   4552:             my $aggregateflag = 0;
1.71      ng       4553: 	    foreach my $partid (@{$parts}) {
1.257     albertel 4554: 		my $newpts = $env{'form.GD_BOX'.$question.'_'.$partid};
                   4555: 		my $oldpts = $env{'form.oldpts'.$question.'_'.$partid};
1.71      ng       4556: 
1.257     albertel 4557: 		my $wgt = $env{'form.WGT'.$question.'_'.$partid} != 0 ? 
                   4558: 		    $env{'form.WGT'.$question.'_'.$partid} : 1;
1.71      ng       4559: 		my $partial = $newpts/$wgt;
                   4560: 		my $score;
                   4561: 		if ($partial > 0) {
                   4562: 		    $score = 'correct_by_override';
1.125     ng       4563: 		} elsif ($newpts ne '') { #empty is taken as 0
1.71      ng       4564: 		    $score = 'incorrect_by_override';
                   4565: 		}
1.257     albertel 4566: 		my $dropMenu = $env{'form.GD_SEL'.$question.'_'.$partid};
1.125     ng       4567: 		if ($dropMenu eq 'excused') {
1.71      ng       4568: 		    $partial = '';
                   4569: 		    $score = 'excused';
1.125     ng       4570: 		} elsif ($dropMenu eq 'reset status'
1.257     albertel 4571: 			 && $env{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
1.125     ng       4572: 		    $newrecord{'resource.'.$partid.'.tries'} = 0;
                   4573: 		    $newrecord{'resource.'.$partid.'.solved'} = '';
                   4574: 		    $newrecord{'resource.'.$partid.'.award'} = '';
                   4575: 		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
1.257     albertel 4576: 		    $newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}";
1.125     ng       4577: 		    $changeflag++;
                   4578: 		    $newpts = '';
1.269     raeburn  4579:                     
                   4580:                     my $aggtries =  $env{'form.aggtries'.$question.'_'.$partid};
                   4581:                     my $totaltries = $env{'form.totaltries'.$question.'_'.$partid};
                   4582:                     my $solvedstatus = $env{'form.solved'.$question.'_'.$partid};
                   4583:                     if ($aggtries > 0) {
                   4584:                         &decrement_aggs($symbx,$partid,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   4585:                         $aggregateflag = 1;
                   4586:                     }
1.71      ng       4587: 		}
1.324     albertel 4588: 		my $display_part=&get_display_part($partid,$curRes->symb());
1.257     albertel 4589: 		my $oldstatus = $env{'form.solved'.$question.'_'.$partid};
1.207     albertel 4590: 		$displayPts[0].='&nbsp;<b>Part:</b> '.$display_part.' = '.
1.71      ng       4591: 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
1.326     albertel 4592: 		    '&nbsp;<br />';
1.207     albertel 4593: 		$displayPts[1].='&nbsp;<b>Part:</b> '.$display_part.' = '.
1.125     ng       4594: 		     (($score eq 'excused') ? 'excused' : $newpts).
1.326     albertel 4595: 		    '&nbsp;<br />';
1.71      ng       4596: 		$question++;
1.380     albertel 4597: 		next if ($dropMenu eq 'reset status' || ($newpts eq $oldpts && $score ne 'excused'));
1.125     ng       4598: 
1.71      ng       4599: 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
1.125     ng       4600: 		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
1.257     albertel 4601: 		$newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}"
1.125     ng       4602: 		    if (scalar(keys(%newrecord)) > 0);
1.71      ng       4603: 
                   4604: 		$changeflag++;
                   4605: 	    }
                   4606: 	    if (scalar(keys(%newrecord)) > 0) {
1.382     albertel 4607: 		my %record = 
                   4608: 		    &Apache::lonnet::restore($symbx,$env{'request.course.id'},
                   4609: 					     $udom,$uname);
                   4610: 
                   4611: 		if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
                   4612: 		    $newrecord{'resource.CODE'} = $env{'form.CODE'};
                   4613: 		} elsif (&Apache::lonnet::validCODE($record{'resource.CODE'})) {
                   4614: 		    $newrecord{'resource.CODE'} = '';
                   4615: 		}
1.257     albertel 4616: 		&Apache::lonnet::cstore(\%newrecord,$symbx,$env{'request.course.id'},
1.71      ng       4617: 					$udom,$uname);
1.382     albertel 4618: 		%record = &Apache::lonnet::restore($symbx,
                   4619: 						   $env{'request.course.id'},
                   4620: 						   $udom,$uname);
1.380     albertel 4621: 		&check_and_remove_from_queue($parts,\%record,undef,$symbx,
                   4622: 					     $cdom,$cnum,$udom,$uname);
1.71      ng       4623: 	    }
1.380     albertel 4624: 	    
1.269     raeburn  4625:             if ($aggregateflag) {
                   4626:                 &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
                   4627:                       $env{'course.'.$env{'request.course.id'}.'.domain'},
                   4628:                       $env{'course.'.$env{'request.course.id'}.'.num'});
                   4629:             }
1.125     ng       4630: 
1.71      ng       4631: 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
                   4632: 		'<td valign="top">'.$displayPts[1].'</td>'.
1.484     albertel 4633: 		&Apache::loncommon::end_data_table_row();
1.68      ng       4634: 
1.196     albertel 4635: 	    $prob++;
1.68      ng       4636: 	}
1.71      ng       4637:         $curRes = $iterator->next();
1.68      ng       4638:     }
1.98      albertel 4639: 
1.484     albertel 4640:     $studentTable.=&Apache::loncommon::end_data_table();
1.324     albertel 4641:     $studentTable.=&show_grading_menu_form($env{'form.symb'});
1.76      ng       4642:     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
                   4643: 		  'The scores were changed for '.
                   4644: 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
                   4645:     $request->print($grademsg.$studentTable);
1.68      ng       4646: 
1.70      ng       4647:     return '';
                   4648: }
                   4649: 
1.72      ng       4650: #-------- end of section for handling grading by page/sequence ---------
                   4651: #
                   4652: #-------------------------------------------------------------------
                   4653: 
1.75      albertel 4654: #--------------------Scantron Grading-----------------------------------
                   4655: #
                   4656: #------ start of section for handling grading by page/sequence ---------
                   4657: 
1.423     albertel 4658: =pod
                   4659: 
                   4660: =head1 Bubble sheet grading routines
                   4661: 
1.424     albertel 4662:   For this documentation:
                   4663: 
                   4664:    'scanline' refers to the full line of characters
                   4665:    from the file that we are parsing that represents one entire sheet
                   4666: 
                   4667:    'bubble line' refers to the data
                   4668:    representing the line of bubbles that are on the physical bubble sheet
                   4669: 
                   4670: 
                   4671: The overall process is that a scanned in bubble sheet data is uploaded
                   4672: into a course. When a user wants to grade, they select a
                   4673: sequence/folder of resources, a file of bubble sheet info, and pick
                   4674: one of the predefined configurations for what each scanline looks
                   4675: like.
                   4676: 
                   4677: Next each scanline is checked for any errors of either 'missing
1.435     foxr     4678: bubbles' (it's an error because it may have been mis-scanned
1.424     albertel 4679: because too light bubbling), 'double bubble' (each bubble line should
                   4680: have no more that one letter picked), invalid or duplicated CODE,
                   4681: invalid student ID
                   4682: 
                   4683: If the CODE option is used that determines the randomization of the
                   4684: homework problems, either way the student ID is looked up into a
                   4685: username:domain.
                   4686: 
                   4687: During the validation phase the instructor can choose to skip scanlines. 
                   4688: 
1.435     foxr     4689: After the validation phase, there are now 3 bubble sheet files
1.424     albertel 4690: 
                   4691:   scantron_original_filename (unmodified original file)
                   4692:   scantron_corrected_filename (file where the corrected information has replaced the original information)
                   4693:   scantron_skipped_filename (contains the exact text of scanlines that where skipped)
                   4694: 
                   4695: Also there is a separate hash nohist_scantrondata that contains extra
                   4696: correction information that isn't representable in the bubble sheet
                   4697: file (see &scantron_getfile() for more information)
                   4698: 
                   4699: After all scanlines are either valid, marked as valid or skipped, then
                   4700: foreach line foreach problem in the picked sequence, an ssi request is
                   4701: made that simulates a user submitting their selected letter(s) against
                   4702: the homework problem.
1.423     albertel 4703: 
                   4704: =over 4
                   4705: 
                   4706: 
                   4707: 
                   4708: =item defaultFormData
                   4709: 
                   4710:   Returns html hidden inputs used to hold context/default values.
                   4711: 
                   4712:  Arguments:
                   4713:   $symb - $symb of the current resource 
                   4714: 
                   4715: =cut
1.422     foxr     4716: 
1.81      albertel 4717: sub defaultFormData {
1.324     albertel 4718:     my ($symb)=@_;
1.447     foxr     4719:     return '<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 4720:      '<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
                   4721:      '<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
1.81      albertel 4722: }
                   4723: 
1.447     foxr     4724: 
1.423     albertel 4725: =pod 
                   4726: 
                   4727: =item getSequenceDropDown
                   4728: 
                   4729:    Return html dropdown of possible sequences to grade
                   4730:  
                   4731:  Arguments:
                   4732:    $symb - $symb of the current resource 
                   4733: 
                   4734: =cut
1.422     foxr     4735: 
1.75      albertel 4736: sub getSequenceDropDown {
1.423     albertel 4737:     my ($symb)=@_;
1.75      albertel 4738:     my $result='<select name="selectpage">'."\n";
1.423     albertel 4739:     my ($titles,$symbx) = &getSymbMap();
1.137     albertel 4740:     my ($curpage)=&Apache::lonnet::decode_symb($symb); 
1.75      albertel 4741:     my $ctr=0;
                   4742:     foreach (@$titles) {
                   4743: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   4744: 	$result.='<option value="'.$$symbx{$_}.'" '.
1.401     albertel 4745: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.75      albertel 4746: 	    '>'.$showtitle.'</option>'."\n";
                   4747: 	$ctr++;
                   4748:     }
                   4749:     $result.= '</select>';
                   4750:     return $result;
                   4751: }
                   4752: 
1.495     albertel 4753: my %bubble_lines_per_response;     # no. bubble lines for each response.
                   4754:                                    # index is "symb.part_id"
                   4755: 
                   4756: my %first_bubble_line;             # First bubble line no. for each bubble.
                   4757: 
1.509     raeburn  4758: my %subdivided_bubble_lines;       # no. bubble lines for optionresponse, 
                   4759:                                    # matchresponse or rankresponse, where 
                   4760:                                    # an individual response can have multiple 
                   4761:                                    # lines
1.503     raeburn  4762: 
                   4763: my %responsetype_per_response;     # responsetype for each response
                   4764: 
1.495     albertel 4765: # Save and restore the bubble lines array to the form env.
                   4766: 
                   4767: 
                   4768: sub save_bubble_lines {
                   4769:     foreach my $line (keys(%bubble_lines_per_response)) {
                   4770: 	$env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
                   4771: 	$env{"form.scantron.first_bubble_line.$line"} =
                   4772: 	    $first_bubble_line{$line};
1.503     raeburn  4773:         $env{"form.scantron.sub_bubblelines.$line"} = 
                   4774:             $subdivided_bubble_lines{$line};
                   4775:         $env{"form.scantron.responsetype.$line"} =
                   4776:             $responsetype_per_response{$line};
1.495     albertel 4777:     }
                   4778: }
                   4779: 
                   4780: 
                   4781: sub restore_bubble_lines {
                   4782:     my $line = 0;
                   4783:     %bubble_lines_per_response = ();
                   4784:     while ($env{"form.scantron.bubblelines.$line"}) {
                   4785: 	my $value = $env{"form.scantron.bubblelines.$line"};
                   4786: 	$bubble_lines_per_response{$line} = $value;
                   4787: 	$first_bubble_line{$line}  =
                   4788: 	    $env{"form.scantron.first_bubble_line.$line"};
1.503     raeburn  4789:         $subdivided_bubble_lines{$line} =
                   4790:             $env{"form.scantron.sub_bubblelines.$line"};
                   4791:         $responsetype_per_response{$line} =
                   4792:             $env{"form.scantron.responsetype.$line"};
1.495     albertel 4793: 	$line++;
                   4794:     }
                   4795: 
                   4796: }
                   4797: 
                   4798: #  Given the parsed scanline, get the response for 
                   4799: #  'answer' number n:
                   4800: 
                   4801: sub get_response_bubbles {
                   4802:     my ($parsed_line, $response)  = @_;
                   4803: 
                   4804: 
                   4805:     my $bubble_line = $first_bubble_line{$response-1} +1;
                   4806:     my $bubble_lines= $bubble_lines_per_response{$response-1};
                   4807:     
                   4808:     my $selected = "";
                   4809: 
                   4810:     for (my $bline = 0; $bline < $bubble_lines; $bline++) {
                   4811: 	$selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
                   4812: 	$bubble_line++;
                   4813:     }
                   4814:     return $selected;
                   4815: }
1.423     albertel 4816: 
                   4817: =pod 
                   4818: 
                   4819: =item scantron_filenames
                   4820: 
                   4821:    Returns a list of the scantron files in the current course 
                   4822: 
                   4823: =cut
1.422     foxr     4824: 
1.202     albertel 4825: sub scantron_filenames {
1.257     albertel 4826:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   4827:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
1.157     albertel 4828:     my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
1.359     www      4829: 				    &propath($cdom,$cname));
1.202     albertel 4830:     my @possiblenames;
1.201     albertel 4831:     foreach my $filename (sort(@files)) {
1.157     albertel 4832: 	($filename)=split(/&/,$filename);
                   4833: 	if ($filename!~/^scantron_orig_/) { next ; }
                   4834: 	$filename=~s/^scantron_orig_//;
1.202     albertel 4835: 	push(@possiblenames,$filename);
                   4836:     }
                   4837:     return @possiblenames;
                   4838: }
                   4839: 
1.423     albertel 4840: =pod 
                   4841: 
                   4842: =item scantron_uploads
                   4843: 
                   4844:    Returns  html drop-down list of scantron files in current course.
                   4845: 
                   4846:  Arguments:
                   4847:    $file2grade - filename to set as selected in the dropdown
                   4848: 
                   4849: =cut
1.422     foxr     4850: 
1.202     albertel 4851: sub scantron_uploads {
1.209     ng       4852:     my ($file2grade) = @_;
1.202     albertel 4853:     my $result=	'<select name="scantron_selectfile">';
                   4854:     $result.="<option></option>";
                   4855:     foreach my $filename (sort(&scantron_filenames())) {
1.401     albertel 4856: 	$result.="<option".($filename eq $file2grade ? ' selected="selected"':'').">$filename</option>\n";
1.81      albertel 4857:     }
                   4858:     $result.="</select>";
                   4859:     return $result;
                   4860: }
                   4861: 
1.423     albertel 4862: =pod 
                   4863: 
                   4864: =item scantron_scantab
                   4865: 
                   4866:   Returns html drop down of the scantron formats in the scantronformat.tab
                   4867:   file.
                   4868: 
                   4869: =cut
1.422     foxr     4870: 
1.82      albertel 4871: sub scantron_scantab {
                   4872:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   4873:     my $result='<select name="scantron_format">'."\n";
1.191     albertel 4874:     $result.='<option></option>'."\n";
1.82      albertel 4875:     foreach my $line (<$fh>) {
                   4876: 	my ($name,$descrip)=split(/:/,$line);
                   4877: 	if ($name =~ /^\#/) { next; }
                   4878: 	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
                   4879:     }
                   4880:     $result.='</select>'."\n";
                   4881: 
                   4882:     return $result;
                   4883: }
                   4884: 
1.423     albertel 4885: =pod 
                   4886: 
                   4887: =item scantron_CODElist
                   4888: 
                   4889:   Returns html drop down of the saved CODE lists from current course,
                   4890:   generated from earlier printings.
                   4891: 
                   4892: =cut
1.422     foxr     4893: 
1.186     albertel 4894: sub scantron_CODElist {
1.257     albertel 4895:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4896:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.186     albertel 4897:     my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4898:     my $namechoice='<option></option>';
1.225     albertel 4899:     foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.191     albertel 4900: 	if ($name =~ /^error: 2 /) { next; }
1.278     albertel 4901: 	if ($name =~ /^type\0/) { next; }
1.186     albertel 4902: 	$namechoice.='<option value="'.$name.'">'.$name.'</option>';
                   4903:     }
                   4904:     $namechoice='<select name="scantron_CODElist">'.$namechoice.'</select>';
                   4905:     return $namechoice;
                   4906: }
                   4907: 
1.423     albertel 4908: =pod 
                   4909: 
                   4910: =item scantron_CODEunique
                   4911: 
                   4912:   Returns the html for "Each CODE to be used once" radio.
                   4913: 
                   4914: =cut
1.422     foxr     4915: 
1.186     albertel 4916: sub scantron_CODEunique {
1.381     albertel 4917:     my $result='<span style="white-space: nowrap;">
1.272     albertel 4918:                  <label><input type="radio" name="scantron_CODEunique"
1.423     albertel 4919:                         value="yes" checked="checked" />'.&mt('Yes').' </label>
1.381     albertel 4920:                 </span>
                   4921:                 <span style="white-space: nowrap;">
1.272     albertel 4922:                  <label><input type="radio" name="scantron_CODEunique"
1.423     albertel 4923:                         value="no" />'.&mt('No').' </label>
1.381     albertel 4924:                 </span>';
1.186     albertel 4925:     return $result;
                   4926: }
1.423     albertel 4927: 
                   4928: =pod 
                   4929: 
                   4930: =item scantron_selectphase
                   4931: 
                   4932:   Generates the initial screen to start the bubble sheet process.
                   4933:   Allows for - starting a grading run.
1.424     albertel 4934:              - downloading existing scan data (original, corrected
1.423     albertel 4935:                                                 or skipped info)
                   4936: 
                   4937:              - uploading new scan data
                   4938: 
                   4939:  Arguments:
                   4940:   $r          - The Apache request object
                   4941:   $file2grade - name of the file that contain the scanned data to score
                   4942: 
                   4943: =cut
1.186     albertel 4944: 
1.75      albertel 4945: sub scantron_selectphase {
1.209     ng       4946:     my ($r,$file2grade) = @_;
1.324     albertel 4947:     my ($symb)=&get_symb($r);
1.75      albertel 4948:     if (!$symb) {return '';}
1.423     albertel 4949:     my $sequence_selector=&getSequenceDropDown($symb);
1.324     albertel 4950:     my $default_form_data=&defaultFormData($symb);
                   4951:     my $grading_menu_button=&show_grading_menu_form($symb);
1.209     ng       4952:     my $file_selector=&scantron_uploads($file2grade);
1.82      albertel 4953:     my $format_selector=&scantron_scantab();
1.186     albertel 4954:     my $CODE_selector=&scantron_CODElist();
                   4955:     my $CODE_unique=&scantron_CODEunique();
1.75      albertel 4956:     my $result;
1.422     foxr     4957: 
1.513   ! foxr     4958:     $ssi_error = 0;
        !          4959: 
1.422     foxr     4960:     # Chunk of form to prompt for a file to grade and how:
                   4961: 
1.489     albertel 4962:     $result.= '
                   4963:     <br />
                   4964:     <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
                   4965:     <input type="hidden" name="command" value="scantron_warning" />
                   4966:     '.$default_form_data.'
                   4967:     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   4968:        '.&Apache::loncommon::start_data_table_header_row().'
                   4969:             <th colspan="2">
1.492     albertel 4970:               &nbsp;'.&mt('Specify file and which Folder/Sequence to grade').'
1.489     albertel 4971:             </th>
                   4972:        '.&Apache::loncommon::end_data_table_header_row().'
                   4973:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4974:             <td> '.&mt('Sequence to grade:').' </td><td> '.$sequence_selector.' </td>
1.489     albertel 4975:        '.&Apache::loncommon::end_data_table_row().'
                   4976:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4977:             <td> '.&mt('Filename of scoring office file:').' </td><td> '.$file_selector.' </td>
1.489     albertel 4978:        '.&Apache::loncommon::end_data_table_row().'
                   4979:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4980:             <td> '.&mt('Format of data file:').' </td><td> '.$format_selector.' </td>
1.489     albertel 4981:        '.&Apache::loncommon::end_data_table_row().'
                   4982:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4983:             <td> '.&mt('Saved CODEs to validate against:').' </td><td> '.$CODE_selector.' </td>
1.489     albertel 4984:        '.&Apache::loncommon::end_data_table_row().'
                   4985:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4986:             <td> '.&mt('Each CODE is only to be used once:').'</td><td> '.$CODE_unique.' </td>
1.489     albertel 4987:        '.&Apache::loncommon::end_data_table_row().'
                   4988:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 4989: 	    <td> '.&mt('Options:').' </td>
1.187     albertel 4990:             <td>
1.492     albertel 4991: 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> '.&mt('Do only previously skipped records').'</label> <br />
                   4992:                <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> '.&mt('Remove all existing corrections').'</label> <br />
                   4993:                <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> '.&mt('Skip hidden resources when grading').'</label>
1.187     albertel 4994: 	    </td>
1.489     albertel 4995:        '.&Apache::loncommon::end_data_table_row().'
                   4996:        '.&Apache::loncommon::start_data_table_row().'
1.174     albertel 4997:             <td colspan="2">
1.492     albertel 4998:               <input type="submit" value="'.&mt('Grading: Validate Scantron Records').'" />
1.162     albertel 4999:             </td>
1.489     albertel 5000:        '.&Apache::loncommon::end_data_table_row().'
                   5001:     '.&Apache::loncommon::end_data_table().'
                   5002:     </form>
                   5003: ';
1.162     albertel 5004:    
                   5005:     $r->print($result);
                   5006: 
1.257     albertel 5007:     if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) ||
                   5008:         &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
1.162     albertel 5009: 
1.422     foxr     5010: 	# Chunk of form to prompt for a scantron file upload.
                   5011: 
1.489     albertel 5012:         $r->print('
                   5013:     <br />
                   5014:     '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   5015:        '.&Apache::loncommon::start_data_table_header_row().'
                   5016:             <th>
1.492     albertel 5017:               &nbsp;'.&mt('Specify a Scantron data file to upload.').'
1.489     albertel 5018:             </th>
                   5019:        '.&Apache::loncommon::end_data_table_header_row().'
                   5020:        '.&Apache::loncommon::start_data_table_row().'
1.162     albertel 5021:             <td>
1.489     albertel 5022: ');
1.324     albertel 5023:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.257     albertel 5024:     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
                   5025:     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
1.492     albertel 5026:     $r->print('
1.174     albertel 5027:               <script type="text/javascript" language="javascript">
                   5028:     function checkUpload(formname) {
                   5029: 	if (formname.upfile.value == "") {
1.492     albertel 5030: 	    alert("'.&mt('Please use the browse button to select a file from your local directory.').'");
1.174     albertel 5031: 	    return false;
                   5032: 	}
                   5033: 	formname.submit();
                   5034:     }
                   5035:               </script>
                   5036: 
1.492     albertel 5037:               <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
                   5038:                 '.$default_form_data.'
                   5039:                 <input name="courseid" type="hidden" value="'.$cnum.'" />
                   5040:                 <input name="domainid" type="hidden" value="'.$cdom.'" />
                   5041:                 <input name="command" value="scantronupload_save" type="hidden" />
                   5042:                 '.&mt('File to upload: [_1]','<input type="file" name="upfile" size="50" />').'
1.174     albertel 5043:                 <br />
1.492     albertel 5044:                 <input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Scantron Data').'" />
1.174     albertel 5045:               </form>
1.492     albertel 5046: ');
1.162     albertel 5047: 
1.489     albertel 5048:         $r->print('
1.162     albertel 5049:             </td>
1.489     albertel 5050:        '.&Apache::loncommon::end_data_table_row().'
                   5051:        '.&Apache::loncommon::end_data_table().'
                   5052: ');
1.162     albertel 5053:     }
1.422     foxr     5054: 
                   5055:     # Chunk of the form that prompts to view a scoring office file,
                   5056:     # corrected file, skipped records in a file.
                   5057: 
1.489     albertel 5058:     $r->print('
                   5059:    <br />
                   5060:    <form action="/adm/grades" name="scantron_download">
                   5061:      '.$default_form_data.'
                   5062:      <input type="hidden" name="command" value="scantron_download" />
                   5063:      '.&Apache::loncommon::start_data_table('LC_scantron_action').'
                   5064:        '.&Apache::loncommon::start_data_table_header_row().'
                   5065:               <th>
1.492     albertel 5066:                 &nbsp;'.&mt('Download a scoring office file').'
1.489     albertel 5067:               </th>
                   5068:        '.&Apache::loncommon::end_data_table_header_row().'
                   5069:        '.&Apache::loncommon::start_data_table_row().'
1.492     albertel 5070:               <td> '.&mt('Filename of scoring office file: [_1]',$file_selector).' 
1.489     albertel 5071:                 <br />
1.492     albertel 5072:                 <input type="submit" value="'.&mt('Download: Show List of Associated Files').'" />
1.489     albertel 5073:        '.&Apache::loncommon::end_data_table_row().'
                   5074:      '.&Apache::loncommon::end_data_table().'
                   5075:    </form>
                   5076:    <br />
                   5077: ');
1.162     albertel 5078: 
1.457     banghart 5079:     &Apache::lonpickcode::code_list($r,2);
                   5080:     $r->print($grading_menu_button);
1.162     albertel 5081:     return
1.75      albertel 5082: }
                   5083: 
1.423     albertel 5084: =pod
                   5085: 
                   5086: =item get_scantron_config
                   5087: 
                   5088:    Parse and return the scantron configuration line selected as a
                   5089:    hash of configuration file fields.
                   5090: 
                   5091:  Arguments:
                   5092:     which - the name of the configuration to parse from the file.
                   5093: 
                   5094: 
                   5095:  Returns:
                   5096:             If the named configuration is not in the file, an empty
                   5097:             hash is returned.
                   5098:     a hash with the fields
                   5099:       name         - internal name for the this configuration setup
                   5100:       description  - text to display to operator that describes this config
                   5101:       CODElocation - if 0 or the string 'none'
                   5102:                           - no CODE exists for this config
                   5103:                      if -1 || the string 'letter'
                   5104:                           - a CODE exists for this config and is
                   5105:                             a string of letters
                   5106:                      Unsupported value (but planned for future support)
                   5107:                           if a positive integer
                   5108:                                - The CODE exists as the first n items from
                   5109:                                  the question section of the form
                   5110:                           if the string 'number'
                   5111:                                - The CODE exists for this config and is
                   5112:                                  a string of numbers
                   5113:       CODEstart   - (only matter if a CODE exists) column in the line where
                   5114:                      the CODE starts
                   5115:       CODElength  - length of the CODE
                   5116:       IDstart     - column where the student ID number starts
                   5117:       IDlength    - length of the student ID info
                   5118:       Qstart      - column where the information from the bubbled
                   5119:                     'questions' start
                   5120:       Qlength     - number of columns comprising a single bubble line from
                   5121:                     the sheet. (usually either 1 or 10)
1.424     albertel 5122:       Qon         - either a single character representing the character used
1.423     albertel 5123:                     to signal a bubble was chosen in the positional setup, or
                   5124:                     the string 'letter' if the letter of the chosen bubble is
                   5125:                     in the final, or 'number' if a number representing the
                   5126:                     chosen bubble is in the file (1->A 0->J)
1.424     albertel 5127:       Qoff        - the character used to represent that a bubble was
                   5128:                     left blank
1.423     albertel 5129:       PaperID     - if the scanning process generates a unique number for each
                   5130:                     sheet scanned the column that this ID number starts in
                   5131:       PaperIDlength - number of columns that comprise the unique ID number
                   5132:                       for the sheet of paper
1.424     albertel 5133:       FirstName   - column that the first name starts in
1.423     albertel 5134:       FirstNameLength - number of columns that the first name spans
                   5135:  
                   5136:       LastName    - column that the last name starts in
                   5137:       LastNameLength - number of columns that the last name spans
                   5138: 
                   5139: =cut
1.422     foxr     5140: 
1.82      albertel 5141: sub get_scantron_config {
                   5142:     my ($which) = @_;
                   5143:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   5144:     my %config;
1.157     albertel 5145:     #FIXME probably should move to XML it has already gotten a bit much now
1.82      albertel 5146:     foreach my $line (<$fh>) {
                   5147: 	my ($name,$descrip)=split(/:/,$line);
                   5148: 	if ($name ne $which ) { next; }
                   5149: 	chomp($line);
                   5150: 	my @config=split(/:/,$line);
                   5151: 	$config{'name'}=$config[0];
                   5152: 	$config{'description'}=$config[1];
                   5153: 	$config{'CODElocation'}=$config[2];
                   5154: 	$config{'CODEstart'}=$config[3];
                   5155: 	$config{'CODElength'}=$config[4];
                   5156: 	$config{'IDstart'}=$config[5];
                   5157: 	$config{'IDlength'}=$config[6];
                   5158: 	$config{'Qstart'}=$config[7];
1.497     foxr     5159:  	$config{'Qlength'}=$config[8];
1.82      albertel 5160: 	$config{'Qoff'}=$config[9];
                   5161: 	$config{'Qon'}=$config[10];
1.157     albertel 5162: 	$config{'PaperID'}=$config[11];
                   5163: 	$config{'PaperIDlength'}=$config[12];
                   5164: 	$config{'FirstName'}=$config[13];
                   5165: 	$config{'FirstNamelength'}=$config[14];
                   5166: 	$config{'LastName'}=$config[15];
                   5167: 	$config{'LastNamelength'}=$config[16];
1.82      albertel 5168: 	last;
                   5169:     }
                   5170:     return %config;
                   5171: }
                   5172: 
1.423     albertel 5173: =pod 
                   5174: 
                   5175: =item username_to_idmap
                   5176: 
                   5177:     creates a hash keyed by student id with values of the corresponding
                   5178:     student username:domain.
                   5179: 
                   5180:   Arguments:
                   5181: 
                   5182:     $classlist - reference to the class list hash. This is a hash
                   5183:                  keyed by student name:domain  whose elements are references
1.424     albertel 5184:                  to arrays containing various chunks of information
1.423     albertel 5185:                  about the student. (See loncoursedata for more info).
                   5186: 
                   5187:   Returns
                   5188:     %idmap - the constructed hash
                   5189: 
                   5190: =cut
                   5191: 
1.82      albertel 5192: sub username_to_idmap {
                   5193:     my ($classlist)= @_;
                   5194:     my %idmap;
                   5195:     foreach my $student (keys(%$classlist)) {
                   5196: 	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
                   5197: 	    $student;
                   5198:     }
                   5199:     return %idmap;
                   5200: }
1.423     albertel 5201: 
                   5202: =pod
                   5203: 
1.424     albertel 5204: =item scantron_fixup_scanline
1.423     albertel 5205: 
                   5206:    Process a requested correction to a scanline.
                   5207: 
                   5208:   Arguments:
                   5209:     $scantron_config   - hash from &get_scantron_config()
                   5210:     $scan_data         - hash of correction information 
                   5211:                           (see &scantron_getfile())
                   5212:     $line              - existing scanline
                   5213:     $whichline         - line number of the passed in scanline
                   5214:     $field             - type of change to process 
                   5215:                          (either 
                   5216:                           'ID'     -> correct the student ID number
                   5217:                           'CODE'   -> correct the CODE
                   5218:                           'answer' -> fixup the submitted answers)
                   5219:     
                   5220:    $args               - hash of additional info,
                   5221:                           - 'ID' 
                   5222:                                'newid' -> studentID to use in replacement
1.424     albertel 5223:                                           of existing one
1.423     albertel 5224:                           - 'CODE' 
                   5225:                                'CODE_ignore_dup' - set to true if duplicates
                   5226:                                                    should be ignored.
                   5227: 	                       'CODE' - is new code or 'use_unfound'
1.424     albertel 5228:                                         if the existing unfound code should
1.423     albertel 5229:                                         be used as is
                   5230:                           - 'answer'
                   5231:                                'response' - new answer or 'none' if blank
                   5232:                                'question' - the bubble line to change
1.503     raeburn  5233:                                'questionnum' - the question identifier,
                   5234:                                                may include subquestion. 
1.423     albertel 5235: 
                   5236:   Returns:
                   5237:     $line - the modified scanline
                   5238: 
                   5239:   Side effects: 
                   5240:     $scan_data - may be updated
                   5241: 
                   5242: =cut
                   5243: 
1.82      albertel 5244: 
1.157     albertel 5245: sub scantron_fixup_scanline {
                   5246:     my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
                   5247:     if ($field eq 'ID') {
                   5248: 	if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
1.186     albertel 5249: 	    return ($line,1,'New value too large');
1.157     albertel 5250: 	}
                   5251: 	if (length($args->{'newid'}) < $$scantron_config{'IDlength'}) {
                   5252: 	    $args->{'newid'}=sprintf('%-'.$$scantron_config{'IDlength'}.'s',
                   5253: 				     $args->{'newid'});
                   5254: 	}
                   5255: 	substr($line,$$scantron_config{'IDstart'}-1,
                   5256: 	       $$scantron_config{'IDlength'})=$args->{'newid'};
                   5257: 	if ($args->{'newid'}=~/^\s*$/) {
                   5258: 	    &scan_data($scan_data,"$whichline.user",
                   5259: 		       $args->{'username'}.':'.$args->{'domain'});
                   5260: 	}
1.186     albertel 5261:     } elsif ($field eq 'CODE') {
1.192     albertel 5262: 	if ($args->{'CODE_ignore_dup'}) {
                   5263: 	    &scan_data($scan_data,"$whichline.CODE_ignore_dup",'1');
                   5264: 	}
                   5265: 	&scan_data($scan_data,"$whichline.useCODE",'1');
                   5266: 	if ($args->{'CODE'} ne 'use_unfound') {
1.191     albertel 5267: 	    if (length($args->{'CODE'}) > $$scantron_config{'CODElength'}) {
                   5268: 		return ($line,1,'New CODE value too large');
                   5269: 	    }
                   5270: 	    if (length($args->{'CODE'}) < $$scantron_config{'CODElength'}) {
                   5271: 		$args->{'CODE'}=sprintf('%-'.$$scantron_config{'CODElength'}.'s',$args->{'CODE'});
                   5272: 	    }
                   5273: 	    substr($line,$$scantron_config{'CODEstart'}-1,
                   5274: 		   $$scantron_config{'CODElength'})=$args->{'CODE'};
1.186     albertel 5275: 	}
1.157     albertel 5276:     } elsif ($field eq 'answer') {
1.497     foxr     5277: 	my $length=$scantron_config->{'Qlength'};
1.157     albertel 5278: 	my $off=$scantron_config->{'Qoff'};
                   5279: 	my $on=$scantron_config->{'Qon'};
1.497     foxr     5280: 	my $answer=${off}x$length;
                   5281: 	if ($args->{'response'} eq 'none') {
                   5282: 	    &scan_data($scan_data,
1.503     raeburn  5283: 		       "$whichline.no_bubble.".$args->{'questionnum'},'1');
1.497     foxr     5284: 	} else {
                   5285: 	    if ($on eq 'letter') {
                   5286: 		my @alphabet=('A'..'Z');
                   5287: 		$answer=$alphabet[$args->{'response'}];
                   5288: 	    } elsif ($on eq 'number') {
                   5289: 		$answer=$args->{'response'}+1;
                   5290: 		if ($answer == 10) { $answer = '0'; }
1.274     albertel 5291: 	    } else {
1.497     foxr     5292: 		substr($answer,$args->{'response'},1)=$on;
1.274     albertel 5293: 	    }
1.497     foxr     5294: 	    &scan_data($scan_data,
1.503     raeburn  5295: 		       "$whichline.no_bubble.".$args->{'questionnum'},undef,'1');
1.157     albertel 5296: 	}
1.497     foxr     5297: 	my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
                   5298: 	substr($line,$where-1,$length)=$answer;
1.157     albertel 5299:     }
                   5300:     return $line;
                   5301: }
1.423     albertel 5302: 
                   5303: =pod
                   5304: 
                   5305: =item scan_data
                   5306: 
                   5307:     Edit or look up  an item in the scan_data hash.
                   5308: 
                   5309:   Arguments:
                   5310:     $scan_data  - The hash (see scantron_getfile)
                   5311:     $key        - shorthand of the key to edit (actual key is
1.424     albertel 5312:                   scantronfilename_key).
1.423     albertel 5313:     $data        - New value of the hash entry.
                   5314:     $delete      - If true, the entry is removed from the hash.
                   5315: 
                   5316:   Returns:
                   5317:     The new value of the hash table field (undefined if deleted).
                   5318: 
                   5319: =cut
                   5320: 
                   5321: 
1.157     albertel 5322: sub scan_data {
                   5323:     my ($scan_data,$key,$value,$delete)=@_;
1.257     albertel 5324:     my $filename=$env{'form.scantron_selectfile'};
1.157     albertel 5325:     if (defined($value)) {
                   5326: 	$scan_data->{$filename.'_'.$key} = $value;
                   5327:     }
                   5328:     if ($delete) { delete($scan_data->{$filename.'_'.$key}); }
                   5329:     return $scan_data->{$filename.'_'.$key};
                   5330: }
1.423     albertel 5331: 
1.495     albertel 5332: # ----- These first few routines are general use routines.----
                   5333: 
                   5334: # Return the number of occurences of a pattern in a string.
                   5335: 
                   5336: sub occurence_count {
                   5337:     my ($string, $pattern) = @_;
                   5338: 
                   5339:     my @matches = ($string =~ /$pattern/g);
                   5340: 
                   5341:     return scalar(@matches);
                   5342: }
                   5343: 
                   5344: 
                   5345: # Take a string known to have digits and convert all the
                   5346: # digits into letters in the range J,A..I.
                   5347: 
                   5348: sub digits_to_letters {
                   5349:     my ($input) = @_;
                   5350: 
                   5351:     my @alphabet = ('J', 'A'..'I');
                   5352: 
                   5353:     my @input    = split(//, $input);
                   5354:     my $output ='';
                   5355:     for (my $i = 0; $i < scalar(@input); $i++) {
                   5356: 	if ($input[$i] =~ /\d/) {
                   5357: 	    $output .= $alphabet[$input[$i]];
                   5358: 	} else {
                   5359: 	    $output .= $input[$i];
                   5360: 	}
                   5361:     }
                   5362:     return $output;
                   5363: }
                   5364: 
1.423     albertel 5365: =pod 
                   5366: 
                   5367: =item scantron_parse_scanline
                   5368: 
                   5369:   Decodes a scanline from the selected scantron file
                   5370: 
                   5371:  Arguments:
                   5372:     line             - The text of the scantron file line to process
                   5373:     whichline        - Line number
                   5374:     scantron_config  - Hash describing the format of the scantron lines.
                   5375:     scan_data        - Hash of extra information about the scanline
                   5376:                        (see scantron_getfile for more information)
                   5377:     just_header      - True if should not process question answers but only
                   5378:                        the stuff to the left of the answers.
                   5379:  Returns:
                   5380:    Hash containing the result of parsing the scanline
                   5381: 
                   5382:    Keys are all proceeded by the string 'scantron.'
                   5383: 
                   5384:        CODE    - the CODE in use for this scanline
                   5385:        useCODE - 1 if the CODE is invalid but it usage has been forced
                   5386:                  by the operator
                   5387:        CODE_ignore_dup - 1 if the CODE is a duplicated use when unique
                   5388:                             CODEs were selected, but the usage has been
                   5389:                             forced by the operator
                   5390:        ID  - student ID
                   5391:        PaperID - if used, the ID number printed on the sheet when the 
                   5392:                  paper was scanned
                   5393:        FirstName - first name from the sheet
                   5394:        LastName  - last name from the sheet
                   5395: 
                   5396:      if just_header was not true these key may also exist
                   5397: 
1.447     foxr     5398:        missingerror - a list of bubble ranges that are considered to be answers
                   5399:                       to a single question that don't have any bubbles filled in.
                   5400:                       Of the form questionnumber:firstbubblenumber:count.
                   5401:        doubleerror  - a list of bubble ranges that are considered to be answers
                   5402:                       to a single question that have more than one bubble filled in.
                   5403:                       Of the form questionnumber::firstbubblenumber:count
                   5404:    
                   5405:                 In the above, count is the number of bubble responses in the
                   5406:                 input line needed to represent the possible answers to the question.
                   5407:                 e.g. a radioresponse with 15 choices in an answer sheet with 10 choices
                   5408:                 per line would have count = 2.
                   5409: 
1.423     albertel 5410:        maxquest     - the number of the last bubble line that was parsed
                   5411: 
                   5412:        (<number> starts at 1)
                   5413:        <number>.answer - zero or more letters representing the selected
                   5414:                          letters from the scanline for the bubble line 
                   5415:                          <number>.
                   5416:                          if blank there was either no bubble or there where
                   5417:                          multiple bubbles, (consult the keys missingerror and
                   5418:                          doubleerror if this is an error condition)
                   5419: 
                   5420: =cut
                   5421: 
1.82      albertel 5422: sub scantron_parse_scanline {
1.423     albertel 5423:     my ($line,$whichline,$scantron_config,$scan_data,$just_header)=@_;
1.470     foxr     5424: 
1.82      albertel 5425:     my %record;
1.422     foxr     5426:     my $questions=substr($line,$$scantron_config{'Qstart'}-1);  # Answers
                   5427:     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);     # earlier stuff
1.278     albertel 5428:     if (!($$scantron_config{'CODElocation'} eq 0 ||
                   5429: 	  $$scantron_config{'CODElocation'} eq 'none')) {
                   5430: 	if ($$scantron_config{'CODElocation'} < 0 ||
                   5431: 	    $$scantron_config{'CODElocation'} eq 'letter' ||
                   5432: 	    $$scantron_config{'CODElocation'} eq 'number') {
1.191     albertel 5433: 	    $record{'scantron.CODE'}=substr($data,
                   5434: 					    $$scantron_config{'CODEstart'}-1,
1.83      albertel 5435: 					    $$scantron_config{'CODElength'});
1.191     albertel 5436: 	    if (&scan_data($scan_data,"$whichline.useCODE")) {
                   5437: 		$record{'scantron.useCODE'}=1;
                   5438: 	    }
1.192     albertel 5439: 	    if (&scan_data($scan_data,"$whichline.CODE_ignore_dup")) {
                   5440: 		$record{'scantron.CODE_ignore_dup'}=1;
                   5441: 	    }
1.82      albertel 5442: 	} else {
                   5443: 	    #FIXME interpret first N questions
                   5444: 	}
                   5445:     }
1.83      albertel 5446:     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
                   5447: 				  $$scantron_config{'IDlength'});
1.157     albertel 5448:     $record{'scantron.PaperID'}=
                   5449: 	substr($data,$$scantron_config{'PaperID'}-1,
                   5450: 	       $$scantron_config{'PaperIDlength'});
                   5451:     $record{'scantron.FirstName'}=
                   5452: 	substr($data,$$scantron_config{'FirstName'}-1,
                   5453: 	       $$scantron_config{'FirstNamelength'});
                   5454:     $record{'scantron.LastName'}=
                   5455: 	substr($data,$$scantron_config{'LastName'}-1,
                   5456: 	       $$scantron_config{'LastNamelength'});
1.423     albertel 5457:     if ($just_header) { return \%record; }
1.194     albertel 5458: 
1.82      albertel 5459:     my @alphabet=('A'..'Z');
                   5460:     my $questnum=0;
1.447     foxr     5461:     my $ansnum  =1;		# Multiple 'answer lines'/question.
                   5462: 
1.470     foxr     5463:     chomp($questions);		# Get rid of any trailing \n.
                   5464:     $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).
                   5465:     while (length($questions)) {
1.447     foxr     5466: 	my $answers_needed = $bubble_lines_per_response{$questnum};
1.503     raeburn  5467:         my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)
                   5468:                              || 1;
                   5469:         $questnum++;
                   5470:         my $quest_id = $questnum;
                   5471:         my $currentquest = substr($questions,0,$answer_length);
                   5472:         $questions       = substr($questions,$answer_length);
                   5473:         if (length($currentquest) < $answer_length) { next; }
                   5474: 
                   5475:         if ($subdivided_bubble_lines{$questnum-1} =~ /,/) {
                   5476:             my $subquestnum = 1;
                   5477:             my $subquestions = $currentquest;
                   5478:             my @subanswers_needed = 
                   5479:                 split(/,/,$subdivided_bubble_lines{$questnum-1});  
                   5480:             foreach my $subans (@subanswers_needed) {
                   5481:                 my $subans_length =
                   5482:                     ($$scantron_config{'Qlength'} * $subans)  || 1;
                   5483:                 my $currsubquest = substr($subquestions,0,$subans_length);
                   5484:                 $subquestions   = substr($subquestions,$subans_length);
                   5485:                 $quest_id = "$questnum.$subquestnum";
                   5486:                 if (($$scantron_config{'Qon'} eq 'letter') ||
                   5487:                     ($$scantron_config{'Qon'} eq 'number')) {
                   5488:                     $ansnum = &scantron_validator_lettnum($ansnum, 
                   5489:                         $questnum,$quest_id,$subans,$currsubquest,$whichline,
                   5490:                         \@alphabet,\%record,$scantron_config,$scan_data);
                   5491:                 } else {
                   5492:                     $ansnum = &scantron_validator_positional($ansnum,
                   5493:                         $questnum,$quest_id,$subans,$currsubquest,$whichline,                        \@alphabet,\%record,$scantron_config,$scan_data);
                   5494:                 }
                   5495:                 $subquestnum ++;
                   5496:             }
                   5497:         } else {
                   5498:             if (($$scantron_config{'Qon'} eq 'letter') ||
                   5499:                 ($$scantron_config{'Qon'} eq 'number')) {
                   5500:                 $ansnum = &scantron_validator_lettnum($ansnum,$questnum,
                   5501:                     $quest_id,$answers_needed,$currentquest,$whichline,
                   5502:                     \@alphabet,\%record,$scantron_config,$scan_data);
                   5503:             } else {
                   5504:                 $ansnum = &scantron_validator_positional($ansnum,$questnum,
                   5505:                     $quest_id,$answers_needed,$currentquest,$whichline,
                   5506:                     \@alphabet,\%record,$scantron_config,$scan_data);
                   5507:             }
                   5508:         }
                   5509:     }
                   5510:     $record{'scantron.maxquest'}=$questnum;
                   5511:     return \%record;
                   5512: }
1.447     foxr     5513: 
1.503     raeburn  5514: sub scantron_validator_lettnum {
                   5515:     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline,
                   5516:         $alphabet,$record,$scantron_config,$scan_data) = @_;
                   5517: 
                   5518:     # Qon 'letter' implies for each slot in currquest we have:
                   5519:     #    ? or * for doubles, a letter in A-Z for a bubble, and
                   5520:     #    about anything else (esp. a value of Qoff) for missing
                   5521:     #    bubbles.
                   5522:     #
                   5523:     # Qon 'number' implies each slot gives a digit that indexes the
                   5524:     #    bubbles filled, or Qoff, or a non-number for unbubbled lines,
                   5525:     #    and * or ? for double bubbles on a single line.
                   5526:     #
1.447     foxr     5527: 
1.503     raeburn  5528:     my $matchon;
                   5529:     if ($$scantron_config{'Qon'} eq 'letter') {
                   5530:         $matchon = '[A-Z]';
                   5531:     } elsif ($$scantron_config{'Qon'} eq 'number') {
                   5532:         $matchon = '\d';
                   5533:     }
                   5534:     my $occurrences = 0;
                   5535:     if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
                   5536:         ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
1.510     raeburn  5537:         ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
                   5538:         ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
                   5539:         ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
                   5540:         ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
1.503     raeburn  5541:         my @singlelines = split('',$currquest);
                   5542:         foreach my $entry (@singlelines) {
                   5543:             $occurrences = &occurence_count($entry,$matchon);
                   5544:             if ($occurrences > 1) {
                   5545:                 last;
                   5546:             }
                   5547:         } 
                   5548:     } else {
                   5549:         $occurrences = &occurence_count($currquest,$matchon); 
                   5550:     }
                   5551:     if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) {
                   5552:         push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   5553:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   5554:             my $bubble = substr($currquest,$ans,1);
                   5555:             if ($bubble =~ /$matchon/ ) {
                   5556:                 if ($$scantron_config{'Qon'} eq 'number') {
                   5557:                     if ($bubble == 0) {
                   5558:                         $bubble = 10; 
                   5559:                     }
                   5560:                     $record->{"scantron.$ansnum.answer"} = 
                   5561:                         $alphabet->[$bubble-1];
                   5562:                 } else {
                   5563:                     $record->{"scantron.$ansnum.answer"} = $bubble;
                   5564:                 }
                   5565:             } else {
                   5566:                 $record->{"scantron.$ansnum.answer"}='';
                   5567:             }
                   5568:             $ansnum++;
                   5569:         }
                   5570:     } elsif (!defined($currquest)
                   5571:             || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest))
                   5572:             || (&occurence_count($currquest,$matchon) == 0)) {
                   5573:         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
                   5574:             $record->{"scantron.$ansnum.answer"}='';
                   5575:             $ansnum++;
                   5576:         }
                   5577:         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
                   5578:             push(@{$record->{'scantron.missingerror'}},$quest_id);
                   5579:         }
                   5580:     } else {
                   5581:         if ($$scantron_config{'Qon'} eq 'number') {
                   5582:             $currquest = &digits_to_letters($currquest);            
                   5583:         }
                   5584:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   5585:             my $bubble = substr($currquest,$ans,1);
                   5586:             $record->{"scantron.$ansnum.answer"} = $bubble;
                   5587:             $ansnum++;
                   5588:         }
                   5589:     }
                   5590:     return $ansnum;
                   5591: }
1.447     foxr     5592: 
1.503     raeburn  5593: sub scantron_validator_positional {
                   5594:     my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,
                   5595:         $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_;
1.447     foxr     5596: 
1.503     raeburn  5597:     # Otherwise there's a positional notation;
                   5598:     # each bubble line requires Qlength items, and there are filled in
                   5599:     # bubbles for each case where there 'Qon' characters.
                   5600:     #
1.447     foxr     5601: 
1.503     raeburn  5602:     my @array=split($$scantron_config{'Qon'},$currquest,-1);
1.447     foxr     5603: 
1.503     raeburn  5604:     # If the split only gives us one element.. the full length of the
                   5605:     # answer string, no bubbles are filled in:
1.447     foxr     5606: 
1.507     raeburn  5607:     if ($answers_needed eq '') {
                   5608:         return;
                   5609:     }
                   5610: 
1.503     raeburn  5611:     if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
                   5612:         for (my $ans=0; $ans<$answers_needed; $ans++ ) {
                   5613:             $record->{"scantron.$ansnum.answer"}='';
                   5614:             $ansnum++;
                   5615:         }
                   5616:         if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
                   5617:             push(@{$record->{"scantron.missingerror"}},$quest_id);
                   5618:         }
                   5619:     } elsif (scalar(@array) == 2) {
                   5620:         my $location = length($array[0]);
                   5621:         my $line_num = int($location / $$scantron_config{'Qlength'});
                   5622:         my $bubble   = $alphabet->[$location % $$scantron_config{'Qlength'}];
                   5623:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   5624:             if ($ans eq $line_num) {
                   5625:                 $record->{"scantron.$ansnum.answer"} = $bubble;
                   5626:             } else {
                   5627:                 $record->{"scantron.$ansnum.answer"} = ' ';
                   5628:             }
                   5629:             $ansnum++;
                   5630:          }
                   5631:     } else {
                   5632:         #  If there's more than one instance of a bubble character
                   5633:         #  That's a double bubble; with positional notation we can
                   5634:         #  record all the bubbles filled in as well as the
                   5635:         #  fact this response consists of multiple bubbles.
                   5636:         #
                   5637:         if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
                   5638:             ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
1.510     raeburn  5639:             ($responsetype_per_response{$questnum-1} eq 'stringresponse') ||
                   5640:             ($responsetype_per_response{$questnum-1} eq 'imageresponse') ||
                   5641:             ($responsetype_per_response{$questnum-1} eq 'reactionresponse') ||
                   5642:             ($responsetype_per_response{$questnum-1} eq 'organicresponse')) {
1.503     raeburn  5643:             my $doubleerror = 0;
                   5644:             while (($currquest >= $$scantron_config{'Qlength'}) && 
                   5645:                    (!$doubleerror)) {
                   5646:                my $currline = substr($currquest,0,$$scantron_config{'Qlength'});
                   5647:                $currquest = substr($currquest,$$scantron_config{'Qlength'});
                   5648:                my @currarray = split($$scantron_config{'Qon'},$currline,-1);
                   5649:                if (length(@currarray) > 2) {
                   5650:                    $doubleerror = 1;
                   5651:                } 
                   5652:             }
                   5653:             if ($doubleerror) {
                   5654:                 push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   5655:             }
                   5656:         } else {
                   5657:             push(@{$record->{'scantron.doubleerror'}},$quest_id);
                   5658:         }
                   5659:         my $item = $ansnum;
                   5660:         for (my $ans=0; $ans<$answers_needed; $ans++) {
                   5661:             $record->{"scantron.$item.answer"} = '';
                   5662:             $item ++;
                   5663:         }
1.447     foxr     5664: 
1.503     raeburn  5665:         my @ans=@array;
                   5666:         my $i=0;
                   5667:         my $increment = 0;
                   5668:         while ($#ans) {
                   5669:             $i+=length($ans[0]) + $increment;
                   5670:             my $line   = int($i/$$scantron_config{'Qlength'} + $ansnum);
                   5671:             my $bubble = $i%$$scantron_config{'Qlength'};
                   5672:             $record->{"scantron.$line.answer"}.=$alphabet->[$bubble];
                   5673:             shift(@ans);
                   5674:             $increment = 1;
                   5675:         }
                   5676:         $ansnum += $answers_needed;
1.82      albertel 5677:     }
1.503     raeburn  5678:     return $ansnum;
1.82      albertel 5679: }
                   5680: 
1.423     albertel 5681: =pod
                   5682: 
                   5683: =item scantron_add_delay
                   5684: 
                   5685:    Adds an error message that occurred during the grading phase to a
                   5686:    queue of messages to be shown after grading pass is complete
                   5687: 
                   5688:  Arguments:
1.424     albertel 5689:    $delayqueue  - arrary ref of hash ref of error messages
1.423     albertel 5690:    $scanline    - the scanline that caused the error
                   5691:    $errormesage - the error message
                   5692:    $errorcode   - a numeric code for the error
                   5693: 
                   5694:  Side Effects:
1.424     albertel 5695:    updates the $delayqueue to have a new hash ref of the error
1.423     albertel 5696: 
                   5697: =cut
                   5698: 
1.82      albertel 5699: sub scantron_add_delay {
1.140     albertel 5700:     my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
                   5701:     push(@$delayqueue,
                   5702: 	 {'line' => $scanline, 'emsg' => $errormessage,
                   5703: 	  'ecode' => $errorcode }
                   5704: 	 );
1.82      albertel 5705: }
                   5706: 
1.423     albertel 5707: =pod
                   5708: 
                   5709: =item scantron_find_student
                   5710: 
1.424     albertel 5711:    Finds the username for the current scanline
                   5712: 
                   5713:   Arguments:
                   5714:    $scantron_record - hash result from scantron_parse_scanline
                   5715:    $scan_data       - hash of correction information 
                   5716:                       (see &scantron_getfile() form more information)
                   5717:    $idmap           - hash from &username_to_idmap()
                   5718:    $line            - number of current scanline
                   5719:  
                   5720:   Returns:
                   5721:    Either 'username:domain' or undef if unknown
                   5722: 
1.423     albertel 5723: =cut
                   5724: 
1.82      albertel 5725: sub scantron_find_student {
1.157     albertel 5726:     my ($scantron_record,$scan_data,$idmap,$line)=@_;
1.83      albertel 5727:     my $scanID=$$scantron_record{'scantron.ID'};
1.157     albertel 5728:     if ($scanID =~ /^\s*$/) {
                   5729:  	return &scan_data($scan_data,"$line.user");
                   5730:     }
1.83      albertel 5731:     foreach my $id (keys(%$idmap)) {
1.157     albertel 5732:  	if (lc($id) eq lc($scanID)) {
                   5733:  	    return $$idmap{$id};
                   5734:  	}
1.83      albertel 5735:     }
                   5736:     return undef;
                   5737: }
                   5738: 
1.423     albertel 5739: =pod
                   5740: 
                   5741: =item scantron_filter
                   5742: 
1.424     albertel 5743:    Filter sub for lonnavmaps, filters out hidden resources if ignore
                   5744:    hidden resources was selected
                   5745: 
1.423     albertel 5746: =cut
                   5747: 
1.83      albertel 5748: sub scantron_filter {
                   5749:     my ($curres)=@_;
1.331     albertel 5750: 
                   5751:     if (ref($curres) && $curres->is_problem()) {
                   5752: 	# if the user has asked to not have either hidden
                   5753: 	# or 'randomout' controlled resources to be graded
                   5754: 	# don't include them
                   5755: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   5756: 	    && $curres->randomout) {
                   5757: 	    return 0;
                   5758: 	}
1.83      albertel 5759: 	return 1;
                   5760:     }
                   5761:     return 0;
1.82      albertel 5762: }
                   5763: 
1.423     albertel 5764: =pod
                   5765: 
                   5766: =item scantron_process_corrections
                   5767: 
1.424     albertel 5768:    Gets correction information out of submitted form data and corrects
                   5769:    the scanline
                   5770: 
1.423     albertel 5771: =cut
                   5772: 
1.157     albertel 5773: sub scantron_process_corrections {
                   5774:     my ($r) = @_;
1.257     albertel 5775:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 5776:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5777:     my $classlist=&Apache::loncoursedata::get_classlist();
1.257     albertel 5778:     my $which=$env{'form.scantron_line'};
1.200     albertel 5779:     my $line=&scantron_get_line($scanlines,$scan_data,$which);
1.157     albertel 5780:     my ($skip,$err,$errmsg);
1.257     albertel 5781:     if ($env{'form.scantron_skip_record'}) {
1.157     albertel 5782: 	$skip=1;
1.257     albertel 5783:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) {
                   5784: 	my $newstudent=$env{'form.scantron_username'}.':'.
                   5785: 	    $env{'form.scantron_domain'};
1.157     albertel 5786: 	my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
                   5787: 	($line,$err,$errmsg)=
                   5788: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
                   5789: 				     'ID',{'newid'=>$newid,
1.257     albertel 5790: 				    'username'=>$env{'form.scantron_username'},
                   5791: 				    'domain'=>$env{'form.scantron_domain'}});
                   5792:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)CODE$/) {
                   5793: 	my $resolution=$env{'form.scantron_CODE_resolution'};
1.190     albertel 5794: 	my $newCODE;
1.192     albertel 5795: 	my %args;
1.190     albertel 5796: 	if      ($resolution eq 'use_unfound') {
1.191     albertel 5797: 	    $newCODE='use_unfound';
1.190     albertel 5798: 	} elsif ($resolution eq 'use_found') {
1.257     albertel 5799: 	    $newCODE=$env{'form.scantron_CODE_selectedvalue'};
1.190     albertel 5800: 	} elsif ($resolution eq 'use_typed') {
1.257     albertel 5801: 	    $newCODE=$env{'form.scantron_CODE_newvalue'};
1.194     albertel 5802: 	} elsif ($resolution =~ /^use_closest_(\d+)/) {
1.257     albertel 5803: 	    $newCODE=$env{"form.scantron_CODE_closest_$1"};
1.190     albertel 5804: 	}
1.257     albertel 5805: 	if ($env{'form.scantron_corrections'} eq 'duplicateCODE') {
1.192     albertel 5806: 	    $args{'CODE_ignore_dup'}=1;
                   5807: 	}
                   5808: 	$args{'CODE'}=$newCODE;
1.186     albertel 5809: 	($line,$err,$errmsg)=
                   5810: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
1.192     albertel 5811: 				     'CODE',\%args);
1.257     albertel 5812:     } elsif ($env{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
                   5813: 	foreach my $question (split(',',$env{'form.scantron_questions'})) {
1.157     albertel 5814: 	    ($line,$err,$errmsg)=
                   5815: 		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
                   5816: 					 $which,'answer',
                   5817: 					 { 'question'=>$question,
1.503     raeburn  5818: 		      		   'response'=>$env{"form.scantron_correct_Q_$question"},
                   5819:                                    'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}});
1.157     albertel 5820: 	    if ($err) { last; }
                   5821: 	}
                   5822:     }
                   5823:     if ($err) {
1.398     albertel 5824: 	$r->print("<span class=\"LC_warning\">Unable to accept last correction, an error occurred :$errmsg:</span>");
1.157     albertel 5825:     } else {
1.200     albertel 5826: 	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
1.157     albertel 5827: 	&scantron_putfile($scanlines,$scan_data);
                   5828:     }
                   5829: }
                   5830: 
1.423     albertel 5831: =pod
                   5832: 
                   5833: =item reset_skipping_status
                   5834: 
1.424     albertel 5835:    Forgets the current set of remember skipped scanlines (and thus
                   5836:    reverts back to considering all lines in the
                   5837:    scantron_skipped_<filename> file)
                   5838: 
1.423     albertel 5839: =cut
                   5840: 
1.200     albertel 5841: sub reset_skipping_status {
                   5842:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5843:     &scan_data($scan_data,'remember_skipping',undef,1);
                   5844:     &scantron_putfile(undef,$scan_data);
                   5845: }
                   5846: 
1.423     albertel 5847: =pod
                   5848: 
                   5849: =item start_skipping
                   5850: 
1.424     albertel 5851:    Marks a scanline to be skipped. 
                   5852: 
1.423     albertel 5853: =cut
                   5854: 
1.376     albertel 5855: sub start_skipping {
1.200     albertel 5856:     my ($scan_data,$i)=@_;
                   5857:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 5858:     if ($env{'form.scantron_options_redo'} =~ /^redo_/) {
                   5859: 	$remembered{$i}=2;
                   5860:     } else {
                   5861: 	$remembered{$i}=1;
                   5862:     }
1.200     albertel 5863:     &scan_data($scan_data,'remember_skipping',join(':',%remembered));
                   5864: }
                   5865: 
1.423     albertel 5866: =pod
                   5867: 
                   5868: =item should_be_skipped
                   5869: 
1.424     albertel 5870:    Checks whether a scanline should be skipped.
                   5871: 
1.423     albertel 5872: =cut
                   5873: 
1.200     albertel 5874: sub should_be_skipped {
1.376     albertel 5875:     my ($scanlines,$scan_data,$i)=@_;
1.257     albertel 5876:     if ($env{'form.scantron_options_redo'} !~ /^redo_/) {
1.200     albertel 5877: 	# not redoing old skips
1.376     albertel 5878: 	if ($scanlines->{'skipped'}[$i]) { return 1; }
1.200     albertel 5879: 	return 0;
                   5880:     }
                   5881:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 5882: 
                   5883:     if (exists($remembered{$i}) && $remembered{$i} != 2 ) {
                   5884: 	return 0;
                   5885:     }
1.200     albertel 5886:     return 1;
                   5887: }
                   5888: 
1.423     albertel 5889: =pod
                   5890: 
                   5891: =item remember_current_skipped
                   5892: 
1.424     albertel 5893:    Discovers what scanlines are in the scantron_skipped_<filename>
                   5894:    file and remembers them into scan_data for later use.
                   5895: 
1.423     albertel 5896: =cut
                   5897: 
1.200     albertel 5898: sub remember_current_skipped {
                   5899:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5900:     my %to_remember;
                   5901:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   5902: 	if ($scanlines->{'skipped'}[$i]) {
                   5903: 	    $to_remember{$i}=1;
                   5904: 	}
                   5905:     }
1.376     albertel 5906: 
1.200     albertel 5907:     &scan_data($scan_data,'remember_skipping',join(':',%to_remember));
                   5908:     &scantron_putfile(undef,$scan_data);
                   5909: }
                   5910: 
1.423     albertel 5911: =pod
                   5912: 
                   5913: =item check_for_error
                   5914: 
1.424     albertel 5915:     Checks if there was an error when attempting to remove a specific
                   5916:     scantron_.. bubble sheet data file. Prints out an error if
                   5917:     something went wrong.
                   5918: 
1.423     albertel 5919: =cut
                   5920: 
1.200     albertel 5921: sub check_for_error {
                   5922:     my ($r,$result)=@_;
                   5923:     if ($result ne 'ok' && $result ne 'not_found' ) {
1.492     albertel 5924: 	$r->print(&mt("An error occurred ([_1]) when trying to remove the existing corrections.",$result));
1.200     albertel 5925:     }
                   5926: }
1.157     albertel 5927: 
1.423     albertel 5928: =pod
                   5929: 
                   5930: =item scantron_warning_screen
                   5931: 
1.424     albertel 5932:    Interstitial screen to make sure the operator has selected the
                   5933:    correct options before we start the validation phase.
                   5934: 
1.423     albertel 5935: =cut
                   5936: 
1.203     albertel 5937: sub scantron_warning_screen {
                   5938:     my ($button_text)=@_;
1.257     albertel 5939:     my $title=&Apache::lonnet::gettitle($env{'form.selectpage'});
1.284     albertel 5940:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.373     albertel 5941:     my $CODElist;
1.284     albertel 5942:     if ($scantron_config{'CODElocation'} &&
                   5943: 	$scantron_config{'CODEstart'} &&
                   5944: 	$scantron_config{'CODElength'}) {
                   5945: 	$CODElist=$env{'form.scantron_CODElist'};
1.398     albertel 5946: 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
1.284     albertel 5947: 	$CODElist=
1.492     albertel 5948: 	    '<tr><td><b>'.&mt('List of CODES to validate against:').'</b></td><td><tt>'.
1.373     albertel 5949: 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
1.284     albertel 5950:     }
1.492     albertel 5951:     return ('
1.203     albertel 5952: <p>
1.492     albertel 5953: <span class="LC_warning">
                   5954: '.&mt('Please double check the information below before clicking on \'[_1]\'',&mt($button_text)).'</span>
1.203     albertel 5955: </p>
                   5956: <table>
1.492     albertel 5957: <tr><td><b>'.&mt('Sequence to be Graded:').'</b></td><td>'.$title.'</td></tr>
                   5958: <tr><td><b>'.&mt('Data File that will be used:').'</b></td><td><tt>'.$env{'form.scantron_selectfile'}.'</tt></td></tr>
                   5959: '.$CODElist.'
1.203     albertel 5960: </table>
                   5961: <br />
1.492     albertel 5962: <p> '.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'</p>
                   5963: <p> '.&mt('If something is incorrect, please click the \'Grading Menu\' button to start over.').'</p>
1.203     albertel 5964: 
                   5965: <br />
1.492     albertel 5966: ');
1.203     albertel 5967: }
                   5968: 
1.423     albertel 5969: =pod
                   5970: 
                   5971: =item scantron_do_warning
                   5972: 
1.424     albertel 5973:    Check if the operator has picked something for all required
                   5974:    fields. Error out if something is missing.
                   5975: 
1.423     albertel 5976: =cut
                   5977: 
1.203     albertel 5978: sub scantron_do_warning {
                   5979:     my ($r)=@_;
1.324     albertel 5980:     my ($symb)=&get_symb($r);
1.203     albertel 5981:     if (!$symb) {return '';}
1.324     albertel 5982:     my $default_form_data=&defaultFormData($symb);
1.203     albertel 5983:     $r->print(&scantron_form_start().$default_form_data);
1.257     albertel 5984:     if ( $env{'form.selectpage'} eq '' ||
                   5985: 	 $env{'form.scantron_selectfile'} eq '' ||
                   5986: 	 $env{'form.scantron_format'} eq '' ) {
1.492     albertel 5987: 	$r->print("<p>".&mt('You have forgetten to specify some information. Please go Back and try again.')."</p>");
1.257     albertel 5988: 	if ( $env{'form.selectpage'} eq '') {
1.492     albertel 5989: 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a Sequence to grade').'</span></p>');
1.237     albertel 5990: 	} 
1.257     albertel 5991: 	if ( $env{'form.scantron_selectfile'} eq '') {
1.492     albertel 5992: 	    $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 5993: 	} 
1.257     albertel 5994: 	if ( $env{'form.scantron_format'} eq '') {
1.492     albertel 5995: 	    $r->print('<p><span class="LC_error">'.&mt('You have not selected a the format of the student\'s response data.').'</span></p>');
1.237     albertel 5996: 	} 
                   5997:     } else {
1.265     www      5998: 	my $warning=&scantron_warning_screen('Grading: Validate Records');
1.492     albertel 5999: 	$r->print('
                   6000: '.$warning.'
                   6001: <input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
1.203     albertel 6002: <input type="hidden" name="command" value="scantron_validate" />
1.492     albertel 6003: ');
1.237     albertel 6004:     }
1.352     albertel 6005:     $r->print("</form><br />".&show_grading_menu_form($symb));
1.203     albertel 6006:     return '';
                   6007: }
                   6008: 
1.423     albertel 6009: =pod
                   6010: 
                   6011: =item scantron_form_start
                   6012: 
1.424     albertel 6013:     html hidden input for remembering all selected grading options
                   6014: 
1.423     albertel 6015: =cut
                   6016: 
1.203     albertel 6017: sub scantron_form_start {
                   6018:     my ($max_bubble)=@_;
                   6019:     my $result= <<SCANTRONFORM;
                   6020: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
1.257     albertel 6021:   <input type="hidden" name="selectpage" value="$env{'form.selectpage'}" />
                   6022:   <input type="hidden" name="scantron_format" value="$env{'form.scantron_format'}" />
                   6023:   <input type="hidden" name="scantron_selectfile" value="$env{'form.scantron_selectfile'}" />
1.218     albertel 6024:   <input type="hidden" name="scantron_maxbubble" value="$max_bubble" />
1.257     albertel 6025:   <input type="hidden" name="scantron_CODElist" value="$env{'form.scantron_CODElist'}" />
                   6026:   <input type="hidden" name="scantron_CODEunique" value="$env{'form.scantron_CODEunique'}" />
                   6027:   <input type="hidden" name="scantron_options_redo" value="$env{'form.scantron_options_redo'}" />
                   6028:   <input type="hidden" name="scantron_options_ignore" value="$env{'form.scantron_options_ignore'}" />
1.331     albertel 6029:   <input type="hidden" name="scantron_options_hidden" value="$env{'form.scantron_options_hidden'}" />
1.203     albertel 6030: SCANTRONFORM
1.447     foxr     6031: 
                   6032:   my $line = 0;
                   6033:     while (defined($env{"form.scantron.bubblelines.$line"})) {
                   6034:        my $chunk =
                   6035: 	   '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";
1.448     foxr     6036:        $chunk .=
                   6037: 	   '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";
1.503     raeburn  6038:        $chunk .= 
                   6039:            '<input type="hidden" name="scantron.sub_bubblelines.'.$line.'" value="'.$env{"form.scantron.sub_bubblelines.$line"}.'" />'."\n";
1.504     raeburn  6040:        $chunk .=
                   6041:            '<input type="hidden" name="scantron.responsetype.'.$line.'" value="'.$env{"form.scantron.responsetype.$line"}.'" />'."\n";
1.447     foxr     6042:        $result .= $chunk;
                   6043:        $line++;
                   6044:    }
1.203     albertel 6045:     return $result;
                   6046: }
                   6047: 
1.423     albertel 6048: =pod
                   6049: 
                   6050: =item scantron_validate_file
                   6051: 
1.424     albertel 6052:     Dispatch routine for doing validation of a bubble sheet data file.
                   6053: 
                   6054:     Also processes any necessary information resets that need to
                   6055:     occur before validation begins (ignore previous corrections,
                   6056:     restarting the skipped records processing)
                   6057: 
1.423     albertel 6058: =cut
                   6059: 
1.157     albertel 6060: sub scantron_validate_file {
                   6061:     my ($r) = @_;
1.324     albertel 6062:     my ($symb)=&get_symb($r);
1.157     albertel 6063:     if (!$symb) {return '';}
1.324     albertel 6064:     my $default_form_data=&defaultFormData($symb);
1.200     albertel 6065:     
                   6066:     # do the detection of only doing skipped records first befroe we delete
1.424     albertel 6067:     # them when doing the corrections reset
1.257     albertel 6068:     if ($env{'form.scantron_options_redo'} ne 'redo_skipped_ready') {
1.200     albertel 6069: 	&reset_skipping_status();
                   6070:     }
1.257     albertel 6071:     if ($env{'form.scantron_options_redo'} eq 'redo_skipped') {
1.200     albertel 6072: 	&remember_current_skipped();
1.257     albertel 6073: 	$env{'form.scantron_options_redo'}='redo_skipped_ready';
1.200     albertel 6074:     }
                   6075: 
1.257     albertel 6076:     if ($env{'form.scantron_options_ignore'} eq 'ignore_corrections') {
1.200     albertel 6077: 	&check_for_error($r,&scantron_remove_file('corrected'));
                   6078: 	&check_for_error($r,&scantron_remove_file('skipped'));
                   6079: 	&check_for_error($r,&scantron_remove_scan_data());
1.257     albertel 6080: 	$env{'form.scantron_options_ignore'}='done';
1.192     albertel 6081:     }
1.200     albertel 6082: 
1.257     albertel 6083:     if ($env{'form.scantron_corrections'}) {
1.157     albertel 6084: 	&scantron_process_corrections($r);
                   6085:     }
1.503     raeburn  6086:     $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
1.157     albertel 6087:     #get the student pick code ready
                   6088:     $r->print(&Apache::loncommon::studentbrowser_javascript());
1.330     albertel 6089:     my $max_bubble=&scantron_get_maxbubble();
1.203     albertel 6090:     my $result=&scantron_form_start($max_bubble).$default_form_data;
1.157     albertel 6091:     $r->print($result);
                   6092:     
1.334     albertel 6093:     my @validate_phases=( 'sequence',
                   6094: 			  'ID',
1.157     albertel 6095: 			  'CODE',
                   6096: 			  'doublebubble',
                   6097: 			  'missingbubbles');
1.257     albertel 6098:     if (!$env{'form.validatepass'}) {
                   6099: 	$env{'form.validatepass'} = 0;
1.157     albertel 6100:     }
1.257     albertel 6101:     my $currentphase=$env{'form.validatepass'};
1.157     albertel 6102: 
1.448     foxr     6103: 
1.157     albertel 6104:     my $stop=0;
                   6105:     while (!$stop && $currentphase < scalar(@validate_phases)) {
1.503     raeburn  6106: 	$r->print(&mt('Validating '.$validate_phases[$currentphase]).'<br />');
1.157     albertel 6107: 	$r->rflush();
                   6108: 	my $which="scantron_validate_".$validate_phases[$currentphase];
                   6109: 	{
                   6110: 	    no strict 'refs';
                   6111: 	    ($stop,$currentphase)=&$which($r,$currentphase);
                   6112: 	}
                   6113:     }
                   6114:     if (!$stop) {
1.203     albertel 6115: 	my $warning=&scantron_warning_screen('Start Grading');
1.512     www      6116: 	$r->print(&mt('Validation process complete.').'<br />
1.492     albertel 6117: '.$warning.'
                   6118: <input type="submit" name="submit" value="'.&mt('Start Grading').'" />
1.203     albertel 6119: <input type="hidden" name="command" value="scantron_process" />
1.492     albertel 6120: ');
1.203     albertel 6121: 
1.157     albertel 6122:     } else {
                   6123: 	$r->print('<input type="hidden" name="command" value="scantron_validate" />');
                   6124: 	$r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
                   6125:     }
                   6126:     if ($stop) {
1.334     albertel 6127: 	if ($validate_phases[$currentphase] eq 'sequence') {
1.492     albertel 6128: 	    $r->print('<input type="submit" name="submit" value="'.&mt('Ignore -&gt;').' " />');
                   6129: 	    $r->print(' '.&mt('this error').' <br />');
1.334     albertel 6130: 
1.492     albertel 6131: 	    $r->print(" <p>".&mt("Or click the 'Grading Menu' button to start over.")."</p>");
1.334     albertel 6132: 	} else {
1.503     raeburn  6133:             if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') {
                   6134: 	        $r->print('<input type="button" name="submitbutton" value="'.&mt('Continue -&gt;').'" onclick="javascript:verify_bubble_radio(this.form)" />');
                   6135:             } else {
                   6136:                 $r->print('<input type="submit" name="submit" value="'.&mt('Continue -&gt;').'" />');
                   6137:             }
1.492     albertel 6138: 	    $r->print(' '.&mt('using corrected info').' <br />');
                   6139: 	    $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");
                   6140: 	    $r->print(" ".&mt("this scanline saving it for later."));
1.334     albertel 6141: 	}
1.157     albertel 6142:     }
1.352     albertel 6143:     $r->print(" </form><br />".&show_grading_menu_form($symb));
1.157     albertel 6144:     return '';
                   6145: }
                   6146: 
1.423     albertel 6147: 
                   6148: =pod
                   6149: 
                   6150: =item scantron_remove_file
                   6151: 
1.424     albertel 6152:    Removes the requested bubble sheet data file, makes sure that
                   6153:    scantron_original_<filename> is never removed
                   6154: 
                   6155: 
1.423     albertel 6156: =cut
                   6157: 
1.200     albertel 6158: sub scantron_remove_file {
1.192     albertel 6159:     my ($which)=@_;
1.257     albertel 6160:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6161:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 6162:     my $file='scantron_';
1.200     albertel 6163:     if ($which eq 'corrected' || $which eq 'skipped') {
                   6164: 	$file.=$which.'_';
1.192     albertel 6165:     } else {
                   6166: 	return 'refused';
                   6167:     }
1.257     albertel 6168:     $file.=$env{'form.scantron_selectfile'};
1.200     albertel 6169:     return &Apache::lonnet::removeuserfile($cname,$cdom,$file);
                   6170: }
                   6171: 
1.423     albertel 6172: 
                   6173: =pod
                   6174: 
                   6175: =item scantron_remove_scan_data
                   6176: 
1.424     albertel 6177:    Removes all scan_data correction for the requested bubble sheet
                   6178:    data file.  (In the case that both the are doing skipped records we need
                   6179:    to remember the old skipped lines for the time being so that element
                   6180:    persists for a while.)
                   6181: 
1.423     albertel 6182: =cut
                   6183: 
1.200     albertel 6184: sub scantron_remove_scan_data {
1.257     albertel 6185:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6186:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 6187:     my @keys=&Apache::lonnet::getkeys('nohist_scantrondata',$cdom,$cname);
                   6188:     my @todelete;
1.257     albertel 6189:     my $filename=$env{'form.scantron_selectfile'};
1.192     albertel 6190:     foreach my $key (@keys) {
                   6191: 	if ($key=~/^\Q$filename\E_/) {
1.257     albertel 6192: 	    if ($env{'form.scantron_options_redo'} eq 'redo_skipped_ready' &&
1.200     albertel 6193: 		$key=~/remember_skipping/) {
                   6194: 		next;
                   6195: 	    }
1.192     albertel 6196: 	    push(@todelete,$key);
                   6197: 	}
                   6198:     }
1.200     albertel 6199:     my $result;
1.192     albertel 6200:     if (@todelete) {
1.491     albertel 6201: 	$result = &Apache::lonnet::del('nohist_scantrondata',
                   6202: 				       \@todelete,$cdom,$cname);
                   6203:     } else {
                   6204: 	$result = 'ok';
1.192     albertel 6205:     }
                   6206:     return $result;
                   6207: }
                   6208: 
1.423     albertel 6209: 
                   6210: =pod
                   6211: 
                   6212: =item scantron_getfile
                   6213: 
1.424     albertel 6214:     Fetches the requested bubble sheet data file (all 3 versions), and
                   6215:     the scan_data hash
                   6216:   
                   6217:   Arguments:
                   6218:     None
                   6219: 
                   6220:   Returns:
                   6221:     2 hash references
                   6222: 
                   6223:      - first one has 
                   6224:          orig      -
                   6225:          corrected -
                   6226:          skipped   -  each of which points to an array ref of the specified
                   6227:                       file broken up into individual lines
                   6228:          count     - number of scanlines
                   6229:  
                   6230:      - second is the scan_data hash possible keys are
1.425     albertel 6231:        ($number refers to scanline numbered $number and thus the key affects
                   6232:         only that scanline
                   6233:         $bubline refers to the specific bubble line element and the aspects
                   6234:         refers to that specific bubble line element)
                   6235: 
                   6236:        $number.user - username:domain to use
                   6237:        $number.CODE_ignore_dup 
                   6238:                     - ignore the duplicate CODE error 
                   6239:        $number.useCODE
                   6240:                     - use the CODE in the scanline as is
                   6241:        $number.no_bubble.$bubline
                   6242:                     - it is valid that there is no bubbled in bubble
                   6243:                       at $number $bubline
                   6244:        remember_skipping
                   6245:                     - a frozen hash containing keys of $number and values
                   6246:                       of either 
                   6247:                         1 - we are on a 'do skipped records pass' and plan
                   6248:                             on processing this line
                   6249:                         2 - we are on a 'do skipped records pass' and this
                   6250:                             scanline has been marked to skip yet again
1.424     albertel 6251: 
1.423     albertel 6252: =cut
                   6253: 
1.157     albertel 6254: sub scantron_getfile {
1.200     albertel 6255:     #FIXME really would prefer a scantron directory
1.257     albertel 6256:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6257:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.157     albertel 6258:     my $lines;
                   6259:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6260: 		       'scantron_orig_'.$env{'form.scantron_selectfile'});
1.157     albertel 6261:     my %scanlines;
                   6262:     $scanlines{'orig'}=[(split("\n",$lines,-1))];
                   6263:     my $temp=$scanlines{'orig'};
                   6264:     $scanlines{'count'}=$#$temp;
                   6265: 
                   6266:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6267: 		       'scantron_corrected_'.$env{'form.scantron_selectfile'});
1.157     albertel 6268:     if ($lines eq '-1') {
                   6269: 	$scanlines{'corrected'}=[];
                   6270:     } else {
                   6271: 	$scanlines{'corrected'}=[(split("\n",$lines,-1))];
                   6272:     }
                   6273:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 6274: 		       'scantron_skipped_'.$env{'form.scantron_selectfile'});
1.157     albertel 6275:     if ($lines eq '-1') {
                   6276: 	$scanlines{'skipped'}=[];
                   6277:     } else {
                   6278: 	$scanlines{'skipped'}=[(split("\n",$lines,-1))];
                   6279:     }
1.175     albertel 6280:     my @tmp=&Apache::lonnet::dump('nohist_scantrondata',$cdom,$cname);
1.157     albertel 6281:     if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); }
                   6282:     my %scan_data = @tmp;
                   6283:     return (\%scanlines,\%scan_data);
                   6284: }
                   6285: 
1.423     albertel 6286: =pod
                   6287: 
                   6288: =item lonnet_putfile
                   6289: 
1.424     albertel 6290:    Wrapper routine to call &Apache::lonnet::finishuserfileupload
                   6291: 
                   6292:  Arguments:
                   6293:    $contents - data to store
                   6294:    $filename - filename to store $contents into
                   6295: 
                   6296:  Returns:
                   6297:    result value from &Apache::lonnet::finishuserfileupload
                   6298: 
1.423     albertel 6299: =cut
                   6300: 
1.157     albertel 6301: sub lonnet_putfile {
                   6302:     my ($contents,$filename)=@_;
1.257     albertel 6303:     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6304:     my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   6305:     $env{'form.sillywaytopassafilearound'}=$contents;
1.275     albertel 6306:     &Apache::lonnet::finishuserfileupload($docuname,$docudom,'sillywaytopassafilearound',$filename);
1.157     albertel 6307: 
                   6308: }
                   6309: 
1.423     albertel 6310: =pod
                   6311: 
                   6312: =item scantron_putfile
                   6313: 
1.424     albertel 6314:     Stores the current version of the bubble sheet data files, and the
                   6315:     scan_data hash. (Does not modify the original version only the
                   6316:     corrected and skipped versions.
                   6317: 
                   6318:  Arguments:
                   6319:     $scanlines - hash ref that looks like the first return value from
                   6320:                  &scantron_getfile()
                   6321:     $scan_data - hash ref that looks like the second return value from
                   6322:                  &scantron_getfile()
                   6323: 
1.423     albertel 6324: =cut
                   6325: 
1.157     albertel 6326: sub scantron_putfile {
                   6327:     my ($scanlines,$scan_data) = @_;
1.200     albertel 6328:     #FIXME really would prefer a scantron directory
1.257     albertel 6329:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6330:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.200     albertel 6331:     if ($scanlines) {
                   6332: 	my $prefix='scantron_';
1.157     albertel 6333: # no need to update orig, shouldn't change
                   6334: #   &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'.
1.257     albertel 6335: #		    $env{'form.scantron_selectfile'});
1.200     albertel 6336: 	&lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}),
                   6337: 			$prefix.'corrected_'.
1.257     albertel 6338: 			$env{'form.scantron_selectfile'});
1.200     albertel 6339: 	&lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}),
                   6340: 			$prefix.'skipped_'.
1.257     albertel 6341: 			$env{'form.scantron_selectfile'});
1.200     albertel 6342:     }
1.175     albertel 6343:     &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname);
1.157     albertel 6344: }
                   6345: 
1.423     albertel 6346: =pod
                   6347: 
                   6348: =item scantron_get_line
                   6349: 
1.424     albertel 6350:    Returns the correct version of the scanline
                   6351: 
                   6352:  Arguments:
                   6353:     $scanlines - hash ref that looks like the first return value from
                   6354:                  &scantron_getfile()
                   6355:     $scan_data - hash ref that looks like the second return value from
                   6356:                  &scantron_getfile()
                   6357:     $i         - number of the requested line (starts at 0)
                   6358: 
                   6359:  Returns:
                   6360:    A scanline, (either the original or the corrected one if it
                   6361:    exists), or undef if the requested scanline should be
                   6362:    skipped. (Either because it's an skipped scanline, or it's an
                   6363:    unskipped scanline and we are not doing a 'do skipped scanlines'
                   6364:    pass.
                   6365: 
1.423     albertel 6366: =cut
                   6367: 
1.157     albertel 6368: sub scantron_get_line {
1.200     albertel 6369:     my ($scanlines,$scan_data,$i)=@_;
1.376     albertel 6370:     if (&should_be_skipped($scanlines,$scan_data,$i)) { return undef; }
                   6371:     #if ($scanlines->{'skipped'}[$i]) { return undef; }
1.157     albertel 6372:     if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];}
                   6373:     return $scanlines->{'orig'}[$i]; 
                   6374: }
                   6375: 
1.423     albertel 6376: =pod
                   6377: 
                   6378: =item scantron_todo_count
                   6379: 
1.424     albertel 6380:     Counts the number of scanlines that need processing.
                   6381: 
                   6382:  Arguments:
                   6383:     $scanlines - hash ref that looks like the first return value from
                   6384:                  &scantron_getfile()
                   6385:     $scan_data - hash ref that looks like the second return value from
                   6386:                  &scantron_getfile()
                   6387: 
                   6388:  Returns:
                   6389:     $count - number of scanlines to process
                   6390: 
1.423     albertel 6391: =cut
                   6392: 
1.200     albertel 6393: sub get_todo_count {
                   6394:     my ($scanlines,$scan_data)=@_;
                   6395:     my $count=0;
                   6396:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   6397: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
                   6398: 	if ($line=~/^[\s\cz]*$/) { next; }
                   6399: 	$count++;
                   6400:     }
                   6401:     return $count;
                   6402: }
                   6403: 
1.423     albertel 6404: =pod
                   6405: 
                   6406: =item scantron_put_line
                   6407: 
1.424     albertel 6408:     Updates the 'corrected' or 'skipped' versions of the bubble sheet
                   6409:     data file.
                   6410: 
                   6411:  Arguments:
                   6412:     $scanlines - hash ref that looks like the first return value from
                   6413:                  &scantron_getfile()
                   6414:     $scan_data - hash ref that looks like the second return value from
                   6415:                  &scantron_getfile()
                   6416:     $i         - line number to update
                   6417:     $newline   - contents of the updated scanline
                   6418:     $skip      - if true make the line for skipping and update the
                   6419:                  'skipped' file
                   6420: 
1.423     albertel 6421: =cut
                   6422: 
1.157     albertel 6423: sub scantron_put_line {
1.200     albertel 6424:     my ($scanlines,$scan_data,$i,$newline,$skip)=@_;
1.157     albertel 6425:     if ($skip) {
                   6426: 	$scanlines->{'skipped'}[$i]=$newline;
1.376     albertel 6427: 	&start_skipping($scan_data,$i);
1.157     albertel 6428: 	return;
                   6429:     }
                   6430:     $scanlines->{'corrected'}[$i]=$newline;
                   6431: }
                   6432: 
1.423     albertel 6433: =pod
                   6434: 
                   6435: =item scantron_clear_skip
                   6436: 
1.424     albertel 6437:    Remove a line from the 'skipped' file
                   6438: 
                   6439:  Arguments:
                   6440:     $scanlines - hash ref that looks like the first return value from
                   6441:                  &scantron_getfile()
                   6442:     $scan_data - hash ref that looks like the second return value from
                   6443:                  &scantron_getfile()
                   6444:     $i         - line number to update
                   6445: 
1.423     albertel 6446: =cut
                   6447: 
1.376     albertel 6448: sub scantron_clear_skip {
                   6449:     my ($scanlines,$scan_data,$i)=@_;
                   6450:     if (exists($scanlines->{'skipped'}[$i])) {
                   6451: 	undef($scanlines->{'skipped'}[$i]);
                   6452: 	return 1;
                   6453:     }
                   6454:     return 0;
                   6455: }
                   6456: 
1.423     albertel 6457: =pod
                   6458: 
                   6459: =item scantron_filter_not_exam
                   6460: 
1.424     albertel 6461:    Filter routine used by &Apache::lonnavmaps::retrieveResources(), to
                   6462:    filter out resources that are not marked as 'exam' mode
                   6463: 
1.423     albertel 6464: =cut
                   6465: 
1.334     albertel 6466: sub scantron_filter_not_exam {
                   6467:     my ($curres)=@_;
                   6468:     
                   6469:     if (ref($curres) && $curres->is_problem() && !$curres->is_exam()) {
                   6470: 	# if the user has asked to not have either hidden
                   6471: 	# or 'randomout' controlled resources to be graded
                   6472: 	# don't include them
                   6473: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   6474: 	    && $curres->randomout) {
                   6475: 	    return 0;
                   6476: 	}
                   6477: 	return 1;
                   6478:     }
                   6479:     return 0;
                   6480: }
                   6481: 
1.423     albertel 6482: =pod
                   6483: 
                   6484: =item scantron_validate_sequence
                   6485: 
1.424     albertel 6486:     Validates the selected sequence, checking for resource that are
                   6487:     not set to exam mode.
                   6488: 
1.423     albertel 6489: =cut
                   6490: 
1.334     albertel 6491: sub scantron_validate_sequence {
                   6492:     my ($r,$currentphase) = @_;
                   6493: 
                   6494:     my $navmap=Apache::lonnavmaps::navmap->new();
                   6495:     my (undef,undef,$sequence)=
                   6496: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
                   6497: 
                   6498:     my $map=$navmap->getResourceByUrl($sequence);
                   6499: 
                   6500:     $r->print('<input type="hidden" name="validate_sequence_exam"
                   6501:                                     value="ignore" />');
                   6502:     if ($env{'form.validate_sequence_exam'} ne 'ignore') {
                   6503: 	my @resources=
                   6504: 	    $navmap->retrieveResources($map,\&scantron_filter_not_exam,1,0);
                   6505: 	if (@resources) {
1.357     banghart 6506: 	    $r->print("<p>".&mt('Some resources in the sequence currently are not set to exam mode. Grading these resources currently may not work correctly.')."</p>");
1.334     albertel 6507: 	    return (1,$currentphase);
                   6508: 	}
                   6509:     }
                   6510: 
                   6511:     return (0,$currentphase+1);
                   6512: }
                   6513: 
1.423     albertel 6514: =pod
                   6515: 
                   6516: =item scantron_validate_ID
                   6517: 
1.424     albertel 6518:    Validates all scanlines in the selected file to not have any
                   6519:    invalid or underspecified student IDs
                   6520: 
1.423     albertel 6521: =cut
                   6522: 
1.157     albertel 6523: sub scantron_validate_ID {
                   6524:     my ($r,$currentphase) = @_;
                   6525:     
                   6526:     #get student info
                   6527:     my $classlist=&Apache::loncoursedata::get_classlist();
                   6528:     my %idmap=&username_to_idmap($classlist);
                   6529: 
                   6530:     #get scantron line setup
1.257     albertel 6531:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 6532:     my ($scanlines,$scan_data)=&scantron_getfile();
1.447     foxr     6533:     
                   6534:     &scantron_get_maxbubble();	# parse needs the bubble_lines.. array.
1.157     albertel 6535: 
                   6536:     my %found=('ids'=>{},'usernames'=>{});
                   6537:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 6538: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 6539: 	if ($line=~/^[\s\cz]*$/) { next; }
                   6540: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   6541: 						 $scan_data);
                   6542: 	my $id=$$scan_record{'scantron.ID'};
                   6543: 	my $found;
                   6544: 	foreach my $checkid (keys(%idmap)) {
                   6545: 	    if (lc($checkid) eq lc($id)) { $found=$checkid;last; }
                   6546: 	}
                   6547: 	if ($found) {
                   6548: 	    my $username=$idmap{$found};
                   6549: 	    if ($found{'ids'}{$found}) {
                   6550: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   6551: 					 $line,'duplicateID',$found);
1.194     albertel 6552: 		return(1,$currentphase);
1.157     albertel 6553: 	    } elsif ($found{'usernames'}{$username}) {
                   6554: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   6555: 					 $line,'duplicateID',$username);
1.194     albertel 6556: 		return(1,$currentphase);
1.157     albertel 6557: 	    }
1.186     albertel 6558: 	    #FIXME store away line we previously saw the ID on to use above
1.157     albertel 6559: 	    $found{'ids'}{$found}++;
                   6560: 	    $found{'usernames'}{$username}++;
                   6561: 	} else {
                   6562: 	    if ($id =~ /^\s*$/) {
1.158     albertel 6563: 		my $username=&scan_data($scan_data,"$i.user");
1.157     albertel 6564: 		if (defined($username) && $found{'usernames'}{$username}) {
                   6565: 		    &scantron_get_correction($r,$i,$scan_record,
                   6566: 					     \%scantron_config,
                   6567: 					     $line,'duplicateID',$username);
1.194     albertel 6568: 		    return(1,$currentphase);
1.157     albertel 6569: 		} elsif (!defined($username)) {
                   6570: 		    &scantron_get_correction($r,$i,$scan_record,
                   6571: 					     \%scantron_config,
                   6572: 					     $line,'incorrectID');
1.194     albertel 6573: 		    return(1,$currentphase);
1.157     albertel 6574: 		}
                   6575: 		$found{'usernames'}{$username}++;
                   6576: 	    } else {
                   6577: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   6578: 					 $line,'incorrectID');
1.194     albertel 6579: 		return(1,$currentphase);
1.157     albertel 6580: 	    }
                   6581: 	}
                   6582:     }
                   6583: 
                   6584:     return (0,$currentphase+1);
                   6585: }
                   6586: 
1.423     albertel 6587: =pod
                   6588: 
                   6589: =item scantron_get_correction
                   6590: 
1.424     albertel 6591:    Builds the interface screen to interact with the operator to fix a
                   6592:    specific error condition in a specific scanline
                   6593: 
                   6594:  Arguments:
                   6595:     $r           - Apache request object
                   6596:     $i           - number of the current scanline
                   6597:     $scan_record - hash ref as returned from &scantron_parse_scanline()
                   6598:     $scan_config - hash ref as returned from &get_scantron_config()
                   6599:     $line        - full contents of the current scanline
                   6600:     $error       - error condition, valid values are
                   6601:                    'incorrectCODE', 'duplicateCODE',
                   6602:                    'doublebubble', 'missingbubble',
                   6603:                    'duplicateID', 'incorrectID'
                   6604:     $arg         - extra information needed
                   6605:        For errors:
                   6606:          - duplicateID   - paper number that this studentID was seen before on
                   6607:          - duplicateCODE - array ref of the paper numbers this CODE was
                   6608:                            seen on before
                   6609:          - incorrectCODE - current incorrect CODE 
                   6610:          - doublebubble  - array ref of the bubble lines that have double
                   6611:                            bubble errors
                   6612:          - missingbubble - array ref of the bubble lines that have missing
                   6613:                            bubble errors
                   6614: 
1.423     albertel 6615: =cut
                   6616: 
1.157     albertel 6617: sub scantron_get_correction {
                   6618:     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
1.454     banghart 6619: #FIXME in the case of a duplicated ID the previous line, probably need
1.157     albertel 6620: #to show both the current line and the previous one and allow skipping
                   6621: #the previous one or the current one
                   6622: 
1.333     albertel 6623:     if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
1.492     albertel 6624: 	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
                   6625: 			    " for PaperID <tt>[_1]</tt>",
                   6626: 			    $$scan_record{'scantron.PaperID'})."</p> \n");
1.157     albertel 6627:     } else {
1.492     albertel 6628: 	$r->print("<p>".&mt("<b>An error was detected ($error)</b>".
                   6629: 			    " in scanline [_1] <pre>[_2]</pre>",
                   6630: 			    $i,$line)."</p> \n");
                   6631:     }
                   6632:     my $message="<p>".&mt("The ID on the form is  <tt>[_1]</tt><br />".
                   6633: 			  "The name on the paper is [_2],[_3]",
                   6634: 			  $$scan_record{'scantron.ID'},
                   6635: 			  $$scan_record{'scantron.LastName'},
                   6636: 			  $$scan_record{'scantron.FirstName'})."</p>";
1.242     albertel 6637: 
1.157     albertel 6638:     $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
                   6639:     $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
1.503     raeburn  6640:                            # Array populated for doublebubble or
                   6641:     my @lines_to_correct;  # missingbubble errors to build javascript
                   6642:                            # to validate radio button checking   
                   6643: 
1.157     albertel 6644:     if ($error =~ /ID$/) {
1.186     albertel 6645: 	if ($error eq 'incorrectID') {
1.492     albertel 6646: 	    $r->print("<p>".&mt("The encoded ID is not in the classlist").
                   6647: 		      "</p>\n");
1.157     albertel 6648: 	} elsif ($error eq 'duplicateID') {
1.492     albertel 6649: 	    $r->print("<p>".&mt("The encoded ID has also been used by a previous paper [_1]",$arg)."</p>\n");
1.157     albertel 6650: 	}
1.242     albertel 6651: 	$r->print($message);
1.492     albertel 6652: 	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
1.157     albertel 6653: 	$r->print("\n<ul><li> ");
                   6654: 	#FIXME it would be nice if this sent back the user ID and
                   6655: 	#could do partial userID matches
                   6656: 	$r->print(&Apache::loncommon::selectstudent_link('scantronupload',
                   6657: 				       'scantron_username','scantron_domain'));
                   6658: 	$r->print(": <input type='text' name='scantron_username' value='' />");
                   6659: 	$r->print("\n@".
1.257     albertel 6660: 		 &Apache::loncommon::select_dom_form($env{'request.role.domain'},'scantron_domain'));
1.157     albertel 6661: 
                   6662: 	$r->print('</li>');
1.186     albertel 6663:     } elsif ($error =~ /CODE$/) {
                   6664: 	if ($error eq 'incorrectCODE') {
1.492     albertel 6665: 	    $r->print("<p>".&mt("The encoded CODE is not in the list of possible CODEs.")."</p>\n");
1.186     albertel 6666: 	} elsif ($error eq 'duplicateCODE') {
1.492     albertel 6667: 	    $r->print("<p>".&mt("The encoded CODE has also been used by a previous paper [_1], and CODEs are supposed to be unique.",join(', ',@{$arg}))."</p>\n");
1.186     albertel 6668: 	}
1.492     albertel 6669: 	$r->print("<p>".&mt("The CODE on the form is  <tt>'[_1]'</tt>",
                   6670: 			    $$scan_record{'scantron.CODE'})."<br />\n");
1.242     albertel 6671: 	$r->print($message);
1.492     albertel 6672: 	$r->print("<p>".&mt("How should I handle this?")." <br /> \n");
1.187     albertel 6673: 	$r->print("\n<br /> ");
1.194     albertel 6674: 	my $i=0;
1.273     albertel 6675: 	if ($error eq 'incorrectCODE' 
                   6676: 	    && $$scan_record{'scantron.CODE'}=~/\S/ ) {
1.194     albertel 6677: 	    my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'});
1.278     albertel 6678: 	    if ($closest > 0) {
                   6679: 		foreach my $testcode (@{$closest}) {
                   6680: 		    my $checked='';
1.401     albertel 6681: 		    if (!$i) { $checked=' checked="checked" '; }
1.492     albertel 6682: 		    $r->print("
                   6683:    <label>
                   6684:        <input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked />
                   6685:        ".&mt("Use the similar CODE [_1] instead.",
                   6686: 	    "<b><tt>".$testcode."</tt></b>")."
                   6687:     </label>
                   6688:     <input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
1.278     albertel 6689: 		    $r->print("\n<br />");
                   6690: 		    $i++;
                   6691: 		}
1.194     albertel 6692: 	    }
                   6693: 	}
1.273     albertel 6694: 	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
1.401     albertel 6695: 	    my $checked; if (!$i) { $checked=' checked="checked" '; }
1.492     albertel 6696: 	    $r->print("
                   6697:     <label>
                   6698:         <input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked />
                   6699:        ".&mt("Use the CODE [_1] that is was on the paper, ignoring the error.",
                   6700: 	     "<b><tt>".$$scan_record{'scantron.CODE'}."</tt></b>")."
                   6701:     </label>");
1.273     albertel 6702: 	    $r->print("\n<br />");
                   6703: 	}
1.194     albertel 6704: 
1.188     albertel 6705: 	$r->print(<<ENDSCRIPT);
                   6706: <script type="text/javascript">
                   6707: function change_radio(field) {
1.190     albertel 6708:     var slct=document.scantronupload.scantron_CODE_resolution;
1.188     albertel 6709:     var i;
                   6710:     for (i=0;i<slct.length;i++) {
                   6711:         if (slct[i].value==field) { slct[i].checked=true; }
                   6712:     }
                   6713: }
                   6714: </script>
                   6715: ENDSCRIPT
1.187     albertel 6716: 	my $href="/adm/pickcode?".
1.359     www      6717: 	   "form=".&escape("scantronupload").
                   6718: 	   "&scantron_format=".&escape($env{'form.scantron_format'}).
                   6719: 	   "&scantron_CODElist=".&escape($env{'form.scantron_CODElist'}).
                   6720: 	   "&curCODE=".&escape($$scan_record{'scantron.CODE'}).
                   6721: 	   "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'});
1.332     albertel 6722: 	if ($env{'form.scantron_CODElist'} =~ /\S/) { 
1.492     albertel 6723: 	    $r->print("
                   6724:     <label>
                   6725:        <input type='radio' name='scantron_CODE_resolution' value='use_found' />
                   6726:        ".&mt("[_1]Select[_2] a CODE from the list of all CODEs and use it.",
                   6727: 	     "<a target='_blank' href='$href'>","</a>")."
                   6728:     </label> 
                   6729:     ".&mt("Selected CODE is [_1]","<input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />"));
1.332     albertel 6730: 	    $r->print("\n<br />");
                   6731: 	}
1.492     albertel 6732: 	$r->print("
                   6733:     <label>
                   6734:        <input type='radio' name='scantron_CODE_resolution' value='use_typed' />
                   6735:        ".&mt("Use [_1] as the CODE.",
                   6736: 	     "</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 6737: 	$r->print("\n<br /><br />");
1.157     albertel 6738:     } elsif ($error eq 'doublebubble') {
1.503     raeburn  6739: 	$r->print("<p>".&mt("There have been multiple bubbles scanned for some question(s)")."</p>\n");
1.497     foxr     6740: 
                   6741: 	# The form field scantron_questions is acutally a list of line numbers.
                   6742: 	# represented by this form so:
                   6743: 
                   6744: 	my $line_list = &questions_to_line_list($arg);
                   6745: 
1.157     albertel 6746: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
1.497     foxr     6747: 		  $line_list.'" />');
1.242     albertel 6748: 	$r->print($message);
1.492     albertel 6749: 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");
1.157     albertel 6750: 	foreach my $question (@{$arg}) {
1.503     raeburn  6751: 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                   6752:                                                    $scan_record, $error);
                   6753:             push (@lines_to_correct,@linenums);
1.157     albertel 6754: 	}
1.503     raeburn  6755:         $r->print(&verify_bubbles_checked(@lines_to_correct));
1.157     albertel 6756:     } elsif ($error eq 'missingbubble') {
1.492     albertel 6757: 	$r->print("<p>".&mt("There have been <b>no</b> bubbles scanned for some question(s)")."</p>\n");
1.242     albertel 6758: 	$r->print($message);
1.492     albertel 6759: 	$r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");
1.503     raeburn  6760: 	$r->print(&mt("Some questions have no scanned bubbles.")."\n");
1.497     foxr     6761: 
1.503     raeburn  6762: 	# The form field scantron_questions is actually a list of line numbers not
1.497     foxr     6763: 	# a list of question numbers. Therefore:
                   6764: 	#
                   6765: 	
                   6766: 	my $line_list = &questions_to_line_list($arg);
                   6767: 
1.157     albertel 6768: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
1.497     foxr     6769: 		  $line_list.'" />');
1.157     albertel 6770: 	foreach my $question (@{$arg}) {
1.503     raeburn  6771: 	    my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                   6772:                                                    $scan_record, $error);
                   6773:             push (@lines_to_correct,@linenums);
1.157     albertel 6774: 	}
1.503     raeburn  6775:         $r->print(&verify_bubbles_checked(@lines_to_correct));
1.157     albertel 6776:     } else {
                   6777: 	$r->print("\n<ul>");
                   6778:     }
                   6779:     $r->print("\n</li></ul>");
1.497     foxr     6780: }
                   6781: 
1.503     raeburn  6782: sub verify_bubbles_checked {
                   6783:     my (@ansnums) = @_;
                   6784:     my $ansnumstr = join('","',@ansnums);
                   6785:     my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines.");
                   6786:     my $output = (<<ENDSCRIPT);
                   6787: <script type="text/javascript">
                   6788: function verify_bubble_radio(form) {
                   6789:     var ansnumArray = new Array ("$ansnumstr");
                   6790:     var need_bubble_count = 0;
                   6791:     for (var i=0; i<ansnumArray.length; i++) {
                   6792:         if (form.elements["scantron_correct_Q_"+ansnumArray[i]].length > 1) {
                   6793:             var bubble_picked = 0; 
                   6794:             for (var j=0; j<form.elements["scantron_correct_Q_"+ansnumArray[i]].length; j++) {
                   6795:                 if (form.elements["scantron_correct_Q_"+ansnumArray[i]][j].checked == true) {
                   6796:                     bubble_picked = 1;
                   6797:                 }
                   6798:             }
                   6799:             if (bubble_picked == 0) {
                   6800:                 need_bubble_count ++;
                   6801:             }
                   6802:         }
                   6803:     }
                   6804:     if (need_bubble_count) {
                   6805:         alert("$warning");
                   6806:         return;
                   6807:     }
                   6808:     form.submit(); 
                   6809: }
                   6810: </script>
                   6811: ENDSCRIPT
                   6812:     return $output;
                   6813: }
                   6814: 
1.497     foxr     6815: =pod
                   6816: 
                   6817: =item  questions_to_line_list
1.157     albertel 6818: 
1.497     foxr     6819: Converts a list of questions into a string of comma separated
                   6820: line numbers in the answer sheet used by the questions.  This is
                   6821: used to fill in the scantron_questions form field.
                   6822: 
                   6823:   Arguments:
                   6824:      questions    - Reference to an array of questions.
                   6825: 
                   6826: =cut
                   6827: 
                   6828: 
                   6829: sub questions_to_line_list {
                   6830:     my ($questions) = @_;
                   6831:     my @lines;
                   6832: 
1.503     raeburn  6833:     foreach my $item (@{$questions}) {
                   6834:         my $question = $item;
                   6835:         my ($first,$count,$last);
                   6836:         if ($item =~ /^(\d+)\.(\d+)$/) {
                   6837:             $question = $1;
                   6838:             my $subquestion = $2;
                   6839:             $first = $first_bubble_line{$question-1} + 1;
                   6840:             my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   6841:             my $subcount = 1;
                   6842:             while ($subcount<$subquestion) {
                   6843:                 $first += $subans[$subcount-1];
                   6844:                 $subcount ++;
                   6845:             }
                   6846:             $count = $subans[$subquestion-1];
                   6847:         } else {
                   6848: 	    $first   = $first_bubble_line{$question-1} + 1;
                   6849: 	    $count   = $bubble_lines_per_response{$question-1};
                   6850:         }
1.506     raeburn  6851:         $last = $first+$count-1;
1.503     raeburn  6852:         push(@lines, ($first..$last));
1.497     foxr     6853:     }
                   6854:     return join(',', @lines);
                   6855: }
                   6856: 
                   6857: =pod 
                   6858: 
                   6859: =item prompt_for_corrections
                   6860: 
                   6861: Prompts for a potentially multiline correction to the
                   6862: user's bubbling (factors out common code from scantron_get_correction
                   6863: for multi and missing bubble cases).
                   6864: 
                   6865:  Arguments:
                   6866:    $r           - Apache request object.
                   6867:    $question    - The question number to prompt for.
                   6868:    $scan_config - The scantron file configuration hash.
                   6869:    $scan_record - Reference to the hash that has the the parsed scanlines.
1.503     raeburn  6870:    $error       - Type of error
1.497     foxr     6871: 
                   6872:  Implicit inputs:
                   6873:    %bubble_lines_per_response   - Starting line numbers for each question.
                   6874:                                   Numbered from 0 (but question numbers are from
                   6875:                                   1.
                   6876:    %first_bubble_line           - Starting bubble line for each question.
1.509     raeburn  6877:    %subdivided_bubble_lines     - optionresponse, matchresponse and rankresponse 
                   6878:                                   type problems render as separate sub-questions, 
1.503     raeburn  6879:                                   in exam mode. This hash contains a 
                   6880:                                   comma-separated list of the lines per 
                   6881:                                   sub-question.
1.510     raeburn  6882:    %responsetype_per_response   - essayresponse, formularesponse,
                   6883:                                   stringresponse, imageresponse, reactionresponse,
                   6884:                                   and organicresponse type problem parts can have
1.503     raeburn  6885:                                   multiple lines per response if the weight
                   6886:                                   assigned exceeds 10.  In this case, only
                   6887:                                   one bubble per line is permitted, but more 
                   6888:                                   than one line might contain bubbles, e.g.
                   6889:                                   bubbling of: line 1 - J, line 2 - J, 
                   6890:                                   line 3 - B would assign 22 points.  
1.497     foxr     6891: 
                   6892: =cut
                   6893: 
                   6894: sub prompt_for_corrections {
1.503     raeburn  6895:     my ($r, $question, $scan_config, $scan_record, $error) = @_;
                   6896:     my ($current_line,$lines);
                   6897:     my @linenums;
                   6898:     my $questionnum = $question;
                   6899:     if ($question =~ /^(\d+)\.(\d+)$/) {
                   6900:         $question = $1;
                   6901:         $current_line = $first_bubble_line{$question-1} + 1 ;
                   6902:         my $subquestion = $2;
                   6903:         my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   6904:         my $subcount = 1;
                   6905:         while ($subcount<$subquestion) {
                   6906:             $current_line += $subans[$subcount-1];
                   6907:             $subcount ++;
                   6908:         }
                   6909:         $lines = $subans[$subquestion-1];
                   6910:     } else {
                   6911:         $current_line = $first_bubble_line{$question-1} + 1 ;
                   6912:         $lines        = $bubble_lines_per_response{$question-1};
                   6913:     }
1.497     foxr     6914:     if ($lines > 1) {
1.503     raeburn  6915:         $r->print(&mt('The group of bubble lines below responds to a single question.').'<br />');
                   6916:         if (($responsetype_per_response{$question-1} eq 'essayresponse') ||
                   6917:             ($responsetype_per_response{$question-1} eq 'formularesponse') ||
1.510     raeburn  6918:             ($responsetype_per_response{$question-1} eq 'stringresponse') ||
                   6919:             ($responsetype_per_response{$question-1} eq 'imageresponse') ||
                   6920:             ($responsetype_per_response{$question-1} eq 'reactionresponse') ||
                   6921:             ($responsetype_per_response{$question-1} eq 'organicresponse')) {
1.503     raeburn  6922:             $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their scantron sheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during scantron 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 />');
                   6923:         } else {
                   6924:             $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");
                   6925:         }
1.497     foxr     6926:     }
                   6927:     for (my $i =0; $i < $lines; $i++) {
1.503     raeburn  6928:         my $selected = $$scan_record{"scantron.$current_line.answer"};
                   6929: 	&scantron_bubble_selector($r,$scan_config,$current_line, 
                   6930: 	        		  $questionnum,$error,split('', $selected));
                   6931:         push (@linenums,$current_line);
1.497     foxr     6932: 	$current_line++;
                   6933:     }
                   6934:     if ($lines > 1) {
                   6935: 	$r->print("<hr /><br />");
                   6936:     }
1.503     raeburn  6937:     return @linenums;
1.157     albertel 6938: }
1.423     albertel 6939: 
                   6940: =pod
                   6941: 
                   6942: =item scantron_bubble_selector
                   6943:   
                   6944:    Generates the html radiobuttons to correct a single bubble line
1.424     albertel 6945:    possibly showing the existing the selected bubbles if known
1.423     albertel 6946: 
                   6947:  Arguments:
                   6948:     $r           - Apache request object
                   6949:     $scan_config - hash from &get_scantron_config()
1.497     foxr     6950:     $line        - Number of the line being displayed.
1.503     raeburn  6951:     $questionnum - Question number (may include subquestion)
                   6952:     $error       - Type of error.
1.497     foxr     6953:     @selected    - Array of bubbles picked on this line.
1.423     albertel 6954: 
                   6955: =cut
                   6956: 
1.157     albertel 6957: sub scantron_bubble_selector {
1.503     raeburn  6958:     my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_;
1.157     albertel 6959:     my $max=$$scan_config{'Qlength'};
1.274     albertel 6960: 
                   6961:     my $scmode=$$scan_config{'Qon'};
                   6962:     if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }	     
                   6963: 
1.157     albertel 6964:     my @alphabet=('A'..'Z');
1.503     raeburn  6965:     $r->print(&Apache::loncommon::start_data_table().
                   6966:               &Apache::loncommon::start_data_table_row());
                   6967:     $r->print('<td rowspan="2" class="LC_leftcol_header">'.$line.'</td>');
1.497     foxr     6968:     for (my $i=0;$i<$max+1;$i++) {
                   6969: 	$r->print("\n".'<td align="center">');
                   6970: 	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
                   6971: 	else { $r->print('&nbsp;'); }
                   6972: 	$r->print('</td>');
                   6973:     }
1.503     raeburn  6974:     $r->print(&Apache::loncommon::end_data_table_row().
                   6975:               &Apache::loncommon::start_data_table_row());
1.497     foxr     6976:     for (my $i=0;$i<$max;$i++) {
                   6977: 	$r->print("\n".
                   6978: 		  '<td><label><input type="radio" name="scantron_correct_Q_'.
                   6979: 		  $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
                   6980:     }
1.503     raeburn  6981:     my $nobub_checked = ' ';
                   6982:     if ($error eq 'missingbubble') {
                   6983:         $nobub_checked = ' checked = "checked" ';
                   6984:     }
                   6985:     $r->print("\n".'<td><label><input type="radio" name="scantron_correct_Q_'.
                   6986: 	      $line.'" value="none"'.$nobub_checked.'/>'.&mt('No bubble').
                   6987:               '</label>'."\n".'<input type="hidden" name="scantron_questionnum_Q_'.
                   6988:               $line.'" value="'.$questionnum.'" /></td>');
                   6989:     $r->print(&Apache::loncommon::end_data_table_row().
                   6990:               &Apache::loncommon::end_data_table());
1.157     albertel 6991: }
                   6992: 
1.423     albertel 6993: =pod
                   6994: 
                   6995: =item num_matches
                   6996: 
1.424     albertel 6997:    Counts the number of characters that are the same between the two arguments.
                   6998: 
                   6999:  Arguments:
                   7000:    $orig - CODE from the scanline
                   7001:    $code - CODE to match against
                   7002: 
                   7003:  Returns:
                   7004:    $count - integer count of the number of same characters between the
                   7005:             two arguments
                   7006: 
1.423     albertel 7007: =cut
                   7008: 
1.194     albertel 7009: sub num_matches {
                   7010:     my ($orig,$code) = @_;
                   7011:     my @code=split(//,$code);
                   7012:     my @orig=split(//,$orig);
                   7013:     my $same=0;
                   7014:     for (my $i=0;$i<scalar(@code);$i++) {
                   7015: 	if ($code[$i] eq $orig[$i]) { $same++; }
                   7016:     }
                   7017:     return $same;
                   7018: }
                   7019: 
1.423     albertel 7020: =pod
                   7021: 
                   7022: =item scantron_get_closely_matching_CODEs
                   7023: 
1.424     albertel 7024:    Cycles through all CODEs and finds the set that has the greatest
                   7025:    number of same characters as the provided CODE
                   7026: 
                   7027:  Arguments:
                   7028:    $allcodes - hash ref returned by &get_codes()
                   7029:    $CODE     - CODE from the current scanline
                   7030: 
                   7031:  Returns:
                   7032:    2 element list
                   7033:     - first elements is number of how closely matching the best fit is 
                   7034:       (5 means best set has 5 matching characters)
                   7035:     - second element is an arrary ref containing the set of valid CODEs
                   7036:       that best fit the passed in CODE
                   7037: 
1.423     albertel 7038: =cut
                   7039: 
1.194     albertel 7040: sub scantron_get_closely_matching_CODEs {
                   7041:     my ($allcodes,$CODE)=@_;
                   7042:     my @CODEs;
                   7043:     foreach my $testcode (sort(keys(%{$allcodes}))) {
                   7044: 	push(@{$CODEs[&num_matches($CODE,$testcode)]},$testcode);
                   7045:     }
                   7046: 
                   7047:     return ($#CODEs,$CODEs[-1]);
                   7048: }
                   7049: 
1.423     albertel 7050: =pod
                   7051: 
                   7052: =item get_codes
                   7053: 
1.424     albertel 7054:    Builds a hash which has keys of all of the valid CODEs from the selected
                   7055:    set of remembered CODEs.
                   7056: 
                   7057:  Arguments:
                   7058:   $old_name - name of the set of remembered CODEs
                   7059:   $cdom     - domain of the course
                   7060:   $cnum     - internal course name
                   7061: 
                   7062:  Returns:
                   7063:   %allcodes - keys are the valid CODEs, values are all 1
                   7064: 
1.423     albertel 7065: =cut
                   7066: 
1.194     albertel 7067: sub get_codes {
1.280     foxr     7068:     my ($old_name, $cdom, $cnum) = @_;
                   7069:     if (!$old_name) {
                   7070: 	$old_name=$env{'form.scantron_CODElist'};
                   7071:     }
                   7072:     if (!$cdom) {
                   7073: 	$cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   7074:     }
                   7075:     if (!$cnum) {
                   7076: 	$cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
                   7077:     }
1.278     albertel 7078:     my %result=&Apache::lonnet::get('CODEs',[$old_name,"type\0$old_name"],
                   7079: 				    $cdom,$cnum);
                   7080:     my %allcodes;
                   7081:     if ($result{"type\0$old_name"} eq 'number') {
                   7082: 	%allcodes=map {($_,1)} split(',',$result{$old_name});
                   7083:     } else {
                   7084: 	%allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
                   7085:     }
1.194     albertel 7086:     return %allcodes;
                   7087: }
                   7088: 
1.423     albertel 7089: =pod
                   7090: 
                   7091: =item scantron_validate_CODE
                   7092: 
1.424     albertel 7093:    Validates all scanlines in the selected file to not have any
                   7094:    invalid or underspecified CODEs and that none of the codes are
                   7095:    duplicated if this was requested.
                   7096: 
1.423     albertel 7097: =cut
                   7098: 
1.157     albertel 7099: sub scantron_validate_CODE {
                   7100:     my ($r,$currentphase) = @_;
1.257     albertel 7101:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.186     albertel 7102:     if ($scantron_config{'CODElocation'} &&
                   7103: 	$scantron_config{'CODEstart'} &&
                   7104: 	$scantron_config{'CODElength'}) {
1.257     albertel 7105: 	if (!defined($env{'form.scantron_CODElist'})) {
1.186     albertel 7106: 	    &FIXME_blow_up()
                   7107: 	}
                   7108:     } else {
                   7109: 	return (0,$currentphase+1);
                   7110:     }
                   7111:     
                   7112:     my %usedCODEs;
                   7113: 
1.194     albertel 7114:     my %allcodes=&get_codes();
1.186     albertel 7115: 
1.447     foxr     7116:     &scantron_get_maxbubble();	# parse needs the lines per response array.
                   7117: 
1.186     albertel 7118:     my ($scanlines,$scan_data)=&scantron_getfile();
                   7119:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7120: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.186     albertel 7121: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7122: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7123: 						 $scan_data);
                   7124: 	my $CODE=$$scan_record{'scantron.CODE'};
                   7125: 	my $error=0;
1.224     albertel 7126: 	if (!&Apache::lonnet::validCODE($CODE)) {
                   7127: 	    &scantron_get_correction($r,$i,$scan_record,
                   7128: 				     \%scantron_config,
                   7129: 				     $line,'incorrectCODE',\%allcodes);
                   7130: 	    return(1,$currentphase);
                   7131: 	}
1.221     albertel 7132: 	if (%allcodes && !exists($allcodes{$CODE}) 
                   7133: 	    && !$$scan_record{'scantron.useCODE'}) {
1.186     albertel 7134: 	    &scantron_get_correction($r,$i,$scan_record,
                   7135: 				     \%scantron_config,
1.194     albertel 7136: 				     $line,'incorrectCODE',\%allcodes);
                   7137: 	    return(1,$currentphase);
1.186     albertel 7138: 	}
1.214     albertel 7139: 	if (exists($usedCODEs{$CODE}) 
1.257     albertel 7140: 	    && $env{'form.scantron_CODEunique'} eq 'yes'
1.192     albertel 7141: 	    && !$$scan_record{'scantron.CODE_ignore_dup'}) {
1.186     albertel 7142: 	    &scantron_get_correction($r,$i,$scan_record,
                   7143: 				     \%scantron_config,
1.194     albertel 7144: 				     $line,'duplicateCODE',$usedCODEs{$CODE});
                   7145: 	    return(1,$currentphase);
1.186     albertel 7146: 	}
1.194     albertel 7147: 	push (@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
1.186     albertel 7148:     }
1.157     albertel 7149:     return (0,$currentphase+1);
                   7150: }
                   7151: 
1.423     albertel 7152: =pod
                   7153: 
                   7154: =item scantron_validate_doublebubble
                   7155: 
1.424     albertel 7156:    Validates all scanlines in the selected file to not have any
                   7157:    bubble lines with multiple bubbles marked.
                   7158: 
1.423     albertel 7159: =cut
                   7160: 
1.157     albertel 7161: sub scantron_validate_doublebubble {
                   7162:     my ($r,$currentphase) = @_;
                   7163:     #get student info
                   7164:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7165:     my %idmap=&username_to_idmap($classlist);
                   7166: 
                   7167:     #get scantron line setup
1.257     albertel 7168:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7169:     my ($scanlines,$scan_data)=&scantron_getfile();
1.447     foxr     7170:     &scantron_get_maxbubble();	# parse needs the bubble line array.
                   7171: 
1.157     albertel 7172:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7173: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7174: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7175: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7176: 						 $scan_data);
                   7177: 	if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
                   7178: 	&scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
                   7179: 				 'doublebubble',
                   7180: 				 $$scan_record{'scantron.doubleerror'});
                   7181:     	return (1,$currentphase);
                   7182:     }
                   7183:     return (0,$currentphase+1);
                   7184: }
                   7185: 
1.423     albertel 7186: =pod
                   7187: 
                   7188: =item scantron_get_maxbubble
                   7189: 
1.424     albertel 7190:    Returns the maximum number of bubble lines that are expected to
                   7191:    occur. Does this by walking the selected sequence rendering the
                   7192:    resource and then checking &Apache::lonxml::get_problem_counter()
                   7193:    for what the current value of the problem counter is.
                   7194: 
1.447     foxr     7195:    Caches the results to $env{'form.scantron_maxbubble'},
1.503     raeburn  7196:    $env{'form.scantron.bubble_lines.n'}, 
                   7197:    $env{'form.scantron.first_bubble_line.n'} and
                   7198:    $env{"form.scantron.sub_bubblelines.n"}
1.447     foxr     7199:    which are the total number of bubble, lines, the number of bubble
1.503     raeburn  7200:    lines for response n and number of the first bubble line for response n,
                   7201:    and a comma separated list of numbers of bubble lines for sub-questions
1.509     raeburn  7202:    (for optionresponse, matchresponse, and rankresponse items), for response n.  
1.424     albertel 7203: 
1.423     albertel 7204: =cut
                   7205: 
1.503     raeburn  7206: sub scantron_get_maxbubble {
1.257     albertel 7207:     if (defined($env{'form.scantron_maxbubble'}) &&
                   7208: 	$env{'form.scantron_maxbubble'}) {
1.447     foxr     7209: 	&restore_bubble_lines();
1.257     albertel 7210: 	return $env{'form.scantron_maxbubble'};
1.191     albertel 7211:     }
1.330     albertel 7212: 
1.447     foxr     7213:     my (undef, undef, $sequence) =
1.257     albertel 7214: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.330     albertel 7215: 
1.447     foxr     7216:     my $navmap=Apache::lonnavmaps::navmap->new();
1.191     albertel 7217:     my $map=$navmap->getResourceByUrl($sequence);
                   7218:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.330     albertel 7219: 
                   7220:     &Apache::lonxml::clear_problem_counter();
                   7221: 
1.435     foxr     7222:     my $uname       = $env{'form.student'};
                   7223:     my $udom        = $env{'form.userdom'};
                   7224:     my $cid         = $env{'request.course.id'};
                   7225:     my $total_lines = 0;
                   7226:     %bubble_lines_per_response = ();
1.447     foxr     7227:     %first_bubble_line         = ();
1.503     raeburn  7228:     %subdivided_bubble_lines   = ();
                   7229:     %responsetype_per_response = ();
1.447     foxr     7230:   
                   7231:     my $response_number = 0;
                   7232:     my $bubble_line     = 0;
1.191     albertel 7233:     foreach my $resource (@resources) {
1.510     raeburn  7234:         # Need to retrieve part IDs and response IDs because essayresponse,
                   7235:         # reactionresponse and organicresponse items are not included in 
                   7236:         # $analysis{'parts'} from lonnet::ssi.  
1.503     raeburn  7237:         my %possible_part_ids; 
                   7238:         if (ref($resource->parts()) eq 'ARRAY') { 
                   7239:             foreach my $part (@{$resource->parts()}) {
                   7240:                 my @resp_ids = $resource->responseIds($part);
                   7241:                 foreach my $id (@resp_ids) {
                   7242:                     $possible_part_ids{$part.'.'.$id} = 1;
                   7243:                 }
                   7244:             }
                   7245:         }
1.513   ! foxr     7246: 	my $result=&ssi_with_retries($resource->src(), $ssi_retries,
1.435     foxr     7247: 					('symb' => $resource->symb()),
                   7248: 					('grade_target' => 'analyze'),
                   7249: 					('grade_courseid' => $cid),
                   7250: 					('grade_domain' => $udom),
                   7251: 					('grade_username' => $uname));
1.436     albertel 7252: 	my (undef, $an) =
1.435     foxr     7253: 	    split(/_HASH_REF__/,$result, 2);
                   7254: 
1.503     raeburn  7255:         my @parts;
                   7256: 
1.435     foxr     7257: 	my %analysis = &Apache::lonnet::str2hash($an);
                   7258: 
1.503     raeburn  7259:         if (ref($analysis{'parts'}) eq 'ARRAY') {
                   7260:             @parts = @{$analysis{'parts'}};
                   7261:         }
                   7262:         # Add part_ids for any essayresponse items. 
                   7263:         foreach my $part_id (keys(%possible_part_ids)) {
1.510     raeburn  7264:             if (($analysis{$part_id.'.type'} eq 'essayresponse') ||
                   7265:                 ($analysis{$part_id.'.type'} eq 'reactionresponse') ||
                   7266:                 ($analysis{$part_id.'.type'} eq 'organicresponse')) {
1.503     raeburn  7267:                 if (!grep(/^\Q$part_id\E$/,@parts)) {
                   7268:                     push (@parts,$part_id);
                   7269:                 }
                   7270:             }
                   7271:         }
1.435     foxr     7272: 
1.503     raeburn  7273: 	foreach my $part_id (@parts) {
                   7274:             my $lines = $analysis{"$part_id.bubble_lines"};
1.447     foxr     7275: 
                   7276: 	    # TODO - make this a persistent hash not an array.
                   7277: 
1.509     raeburn  7278:             # optionresponse, matchresponse and rankresponse type items 
                   7279:             # render as separate sub-questions in exam mode.
1.503     raeburn  7280:             if (($analysis{$part_id.'.type'} eq 'optionresponse') ||
1.509     raeburn  7281:                 ($analysis{$part_id.'.type'} eq 'matchresponse') ||
                   7282:                 ($analysis{$part_id.'.type'} eq 'rankresponse')) {
1.503     raeburn  7283:                 my ($numbub,$numshown);
                   7284:                 if ($analysis{$part_id.'.type'} eq 'optionresponse') {
                   7285:                     if (ref($analysis{$part_id.'.options'}) eq 'ARRAY') {
                   7286:                         $numbub = scalar(@{$analysis{$part_id.'.options'}});
                   7287:                     }
                   7288:                 } elsif ($analysis{$part_id.'.type'} eq 'matchresponse') {
                   7289:                     if (ref($analysis{$part_id.'.items'}) eq 'ARRAY') {
                   7290:                         $numbub = scalar(@{$analysis{$part_id.'.items'}});
                   7291:                     }
1.509     raeburn  7292:                 } elsif ($analysis{$part_id.'.type'} eq 'rankresponse') {
                   7293:                     if (ref($analysis{$part_id.'.foils'}) eq 'ARRAY') {
                   7294:                         $numbub = scalar(@{$analysis{$part_id.'.foils'}});
                   7295:                     }
1.503     raeburn  7296:                 }
                   7297:                 if (ref($analysis{$part_id.'.shown'}) eq 'ARRAY') {
                   7298:                     $numshown = scalar(@{$analysis{$part_id.'.shown'}});
                   7299:                 }
                   7300:                 my $bubbles_per_line = 10;
                   7301:                 my $inner_bubble_lines = int($numshown/$bubbles_per_line);
                   7302:                 if (($numshown % $bubbles_per_line) != 0) {
                   7303:                     $inner_bubble_lines++;
                   7304:                 }
                   7305:                 for (my $i=0; $i<$numshown; $i++) {
                   7306:                     $subdivided_bubble_lines{$response_number} .= 
                   7307:                         $inner_bubble_lines.',';
                   7308:                 }
                   7309:                 $subdivided_bubble_lines{$response_number} =~ s/,$//;
                   7310:             } 
1.447     foxr     7311: 
1.503     raeburn  7312:             $first_bubble_line{$response_number} = $bubble_line;
                   7313: 	    $bubble_lines_per_response{$response_number} = $lines;
                   7314:             $responsetype_per_response{$response_number} = 
                   7315:                 $analysis{$part_id.'.type'};
1.447     foxr     7316: 	    $response_number++;
                   7317: 
                   7318: 	    $bubble_line +=  $lines;
                   7319: 	    $total_lines +=  $lines;
1.435     foxr     7320: 	}
                   7321: 
1.191     albertel 7322:     }
                   7323:     &Apache::lonnet::delenv('scantron\.');
1.447     foxr     7324: 
                   7325:     &save_bubble_lines();
1.330     albertel 7326:     $env{'form.scantron_maxbubble'} =
1.435     foxr     7327: 	$total_lines;
1.257     albertel 7328:     return $env{'form.scantron_maxbubble'};
1.191     albertel 7329: }
                   7330: 
1.423     albertel 7331: =pod
                   7332: 
                   7333: =item scantron_validate_missingbubbles
                   7334: 
1.424     albertel 7335:    Validates all scanlines in the selected file to not have any
1.447     foxr     7336:     answers that don't have bubbles that have not been verified
                   7337:     to be bubble free.
1.424     albertel 7338: 
1.423     albertel 7339: =cut
                   7340: 
1.157     albertel 7341: sub scantron_validate_missingbubbles {
                   7342:     my ($r,$currentphase) = @_;
                   7343:     #get student info
                   7344:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7345:     my %idmap=&username_to_idmap($classlist);
                   7346: 
                   7347:     #get scantron line setup
1.257     albertel 7348:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7349:     my ($scanlines,$scan_data)=&scantron_getfile();
1.191     albertel 7350:     my $max_bubble=&scantron_get_maxbubble();
1.157     albertel 7351:     if (!$max_bubble) { $max_bubble=2**31; }
                   7352:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 7353: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7354: 	if ($line=~/^[\s\cz]*$/) { next; }
                   7355: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7356: 						 $scan_data);
                   7357: 	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
                   7358: 	my @to_correct;
1.470     foxr     7359: 	
                   7360: 	# Probably here's where the error is...
                   7361: 
1.157     albertel 7362: 	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
1.505     raeburn  7363:             my $lastbubble;
                   7364:             if ($missing =~ /^(\d+)\.(\d+)$/) {
                   7365:                my $question = $1;
                   7366:                my $subquestion = $2;
                   7367:                if (!defined($first_bubble_line{$question -1})) { next; }
                   7368:                my $first = $first_bubble_line{$question-1};
                   7369:                my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
                   7370:                my $subcount = 1;
                   7371:                while ($subcount<$subquestion) {
                   7372:                    $first += $subans[$subcount-1];
                   7373:                    $subcount ++;
                   7374:                }
                   7375:                my $count = $subans[$subquestion-1];
                   7376:                $lastbubble = $first + $count;
                   7377:             } else {
                   7378:                 if (!defined($first_bubble_line{$missing - 1})) { next; }
                   7379:                 $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1};
                   7380:             }
                   7381:             if ($lastbubble > $max_bubble) { next; }
1.157     albertel 7382: 	    push(@to_correct,$missing);
                   7383: 	}
                   7384: 	if (@to_correct) {
                   7385: 	    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   7386: 				     $line,'missingbubble',\@to_correct);
                   7387: 	    return (1,$currentphase);
                   7388: 	}
                   7389: 
                   7390:     }
                   7391:     return (0,$currentphase+1);
                   7392: }
                   7393: 
1.423     albertel 7394: =pod
                   7395: 
                   7396: =item scantron_process_students
                   7397: 
                   7398:    Routine that does the actual grading of the bubble sheet information.
                   7399: 
                   7400:    The parsed scanline hash is added to %env 
                   7401: 
                   7402:    Then foreach unskipped scanline it does an &Apache::lonnet::ssi()
                   7403:    foreach resource , with the form data of
                   7404: 
                   7405: 	'submitted'     =>'scantron' 
                   7406: 	'grade_target'  =>'grade',
                   7407: 	'grade_username'=> username of student
                   7408: 	'grade_domain'  => domain of student
                   7409: 	'grade_courseid'=> of course
                   7410: 	'grade_symb'    => symb of resource to grade
                   7411: 
                   7412:     This triggers a grading pass. The problem grading code takes care
                   7413:     of converting the bubbled letter information (now in %env) into a
                   7414:     valid submission.
                   7415: 
                   7416: =cut
                   7417: 
1.82      albertel 7418: sub scantron_process_students {
1.75      albertel 7419:     my ($r) = @_;
1.513   ! foxr     7420: 
1.257     albertel 7421:     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.324     albertel 7422:     my ($symb)=&get_symb($r);
1.513   ! foxr     7423:     if (!$symb) {
        !          7424: 	return '';
        !          7425:     }
1.324     albertel 7426:     my $default_form_data=&defaultFormData($symb);
1.82      albertel 7427: 
1.257     albertel 7428:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 7429:     my ($scanlines,$scan_data)=&scantron_getfile();
1.82      albertel 7430:     my $classlist=&Apache::loncoursedata::get_classlist();
                   7431:     my %idmap=&username_to_idmap($classlist);
1.132     bowersj2 7432:     my $navmap=Apache::lonnavmaps::navmap->new();
1.83      albertel 7433:     my $map=$navmap->getResourceByUrl($sequence);
                   7434:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.140     albertel 7435: #    $r->print("geto ".scalar(@resources)."<br />");
1.82      albertel 7436:     my $result= <<SCANTRONFORM;
1.81      albertel 7437: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
                   7438:   <input type="hidden" name="command" value="scantron_configphase" />
                   7439:   $default_form_data
                   7440: SCANTRONFORM
1.82      albertel 7441:     $r->print($result);
                   7442: 
                   7443:     my @delayqueue;
1.140     albertel 7444:     my %completedstudents;
                   7445:     
1.200     albertel 7446:     my $count=&get_todo_count($scanlines,$scan_data);
1.157     albertel 7447:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
1.200     albertel 7448:  				    'Scantron Progress',$count,
1.195     albertel 7449: 				    'inline',undef,'scantronupload');
1.140     albertel 7450:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                   7451: 					  'Processing first student');
                   7452:     my $start=&Time::HiRes::time();
1.158     albertel 7453:     my $i=-1;
1.200     albertel 7454:     my ($uname,$udom,$started);
1.447     foxr     7455: 
                   7456:     &scantron_get_maxbubble();	# Need the bubble lines array to parse.
1.513   ! foxr     7457:     
        !          7458: 
        !          7459:     # If an ssi failed in scantron_get_maxbubble, put an error message out to
        !          7460:     # the user and return.
        !          7461: 
        !          7462:     if ($ssi_error) {
        !          7463: 	$r->print("</form>");
        !          7464: 	&ssi_print_error($r);
        !          7465: 	$r->print(&show_grading_menu_form($symb));
        !          7466: 	return '';		# Dunno why the other returns return '' rather than just returning.
        !          7467:     }
1.447     foxr     7468: 
1.157     albertel 7469:     while ($i<$scanlines->{'count'}) {
                   7470:  	($uname,$udom)=('','');
                   7471:  	$i++;
1.200     albertel 7472:  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 7473:  	if ($line=~/^[\s\cz]*$/) { next; }
1.200     albertel 7474: 	if ($started) {
                   7475: 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   7476: 						     'last student');
                   7477: 	}
                   7478: 	$started=1;
1.157     albertel 7479:  	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   7480:  						 $scan_data);
                   7481:  	unless ($uname=&scantron_find_student($scan_record,$scan_data,
                   7482:  					      \%idmap,$i)) {
                   7483:   	    &scantron_add_delay(\@delayqueue,$line,
                   7484:  				'Unable to find a student that matches',1);
                   7485:  	    next;
                   7486:   	}
                   7487:  	if (exists $completedstudents{$uname}) {
                   7488:  	    &scantron_add_delay(\@delayqueue,$line,
                   7489:  				'Student '.$uname.' has multiple sheets',2);
                   7490:  	    next;
                   7491:  	}
                   7492:   	($uname,$udom)=split(/:/,$uname);
1.330     albertel 7493: 
                   7494: 	&Apache::lonxml::clear_problem_counter();
1.157     albertel 7495:   	&Apache::lonnet::appenv(%$scan_record);
1.376     albertel 7496: 
                   7497: 	if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
                   7498: 	    &scantron_putfile($scanlines,$scan_data);
                   7499: 	}
1.161     albertel 7500: 	
                   7501: 	my $i=0;
1.83      albertel 7502: 	foreach my $resource (@resources) {
1.85      albertel 7503: 	    $i++;
1.193     albertel 7504: 	    my %form=('submitted'     =>'scantron',
                   7505: 		      'grade_target'  =>'grade',
                   7506: 		      'grade_username'=>$uname,
                   7507: 		      'grade_domain'  =>$udom,
1.257     albertel 7508: 		      'grade_courseid'=>$env{'request.course.id'},
1.193     albertel 7509: 		      'grade_symb'    =>$resource->symb());
1.383     albertel 7510: 	    if (exists($scan_record->{'scantron.CODE'})
                   7511: 		&& 
                   7512: 		&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'})) {
1.193     albertel 7513: 		$form{'CODE'}=$scan_record->{'scantron.CODE'};
1.224     albertel 7514: 	    } else {
                   7515: 		$form{'CODE'}='';
1.513   ! foxr     7516: 	    } 
        !          7517: 	    my $result=&ssi_with_retries($resource->src(), $ssi_retries, %form);
        !          7518: 	    if ($ssi_error) {
        !          7519: 		$ssi_error = 0;	# So end of handler error message does not trigger.
        !          7520: 		$r->print("</form>");
        !          7521: 		&ssi_print_error($r);
        !          7522: 		$r->print(&show_grading_menu_form($symb));
        !          7523: 		return '';	# Why return ''?  Beats me.
1.193     albertel 7524: 	    }
1.513   ! foxr     7525: 
1.213     albertel 7526: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.83      albertel 7527: 	}
1.140     albertel 7528: 	$completedstudents{$uname}={'line'=>$line};
1.213     albertel 7529: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.140     albertel 7530:     } continue {
1.330     albertel 7531: 	&Apache::lonxml::clear_problem_counter();
1.83      albertel 7532: 	&Apache::lonnet::delenv('scantron\.');
1.82      albertel 7533:     }
1.140     albertel 7534:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1.172     albertel 7535: #    my $lasttime = &Time::HiRes::time()-$start;
                   7536: #    $r->print("<p>took $lasttime</p>");
1.140     albertel 7537: 
1.200     albertel 7538:     $r->print("</form>");
1.324     albertel 7539:     $r->print(&show_grading_menu_form($symb));
1.157     albertel 7540:     return '';
1.75      albertel 7541: }
1.157     albertel 7542: 
1.423     albertel 7543: =pod
                   7544: 
                   7545: =item scantron_upload_scantron_data
                   7546: 
                   7547:     Creates the screen for adding a new bubble sheet data file to a course.
                   7548: 
                   7549: =cut
                   7550: 
1.157     albertel 7551: sub scantron_upload_scantron_data {
                   7552:     my ($r)=@_;
1.257     albertel 7553:     $r->print(&Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'}));
1.157     albertel 7554:     my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid',
1.181     albertel 7555: 							  'domainid',
                   7556: 							  'coursename');
1.257     albertel 7557:     my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'},
1.157     albertel 7558: 						   'domainid');
1.324     albertel 7559:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.492     albertel 7560:     $r->print('
1.157     albertel 7561: <script type="text/javascript" language="javascript">
                   7562:     function checkUpload(formname) {
                   7563: 	if (formname.upfile.value == "") {
                   7564: 	    alert("Please use the browse button to select a file from your local directory.");
                   7565: 	    return false;
                   7566: 	}
                   7567: 	formname.submit();
                   7568:     }
                   7569: </script>
                   7570: 
1.492     albertel 7571: <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
                   7572: '.$default_form_data.'
1.181     albertel 7573: <table>
1.492     albertel 7574: <tr><td>'.$select_link.'                             </td></tr>
                   7575: <tr><td>'.&mt('Course ID:').'     </td>
                   7576:     <td><input name="courseid"   type="text" />      </td></tr>
                   7577: <tr><td>'.&mt('Course Name:').'   </td>
                   7578:     <td><input name="coursename" type="text" />      </td></tr>
                   7579: <tr><td>'.&mt('Domain:').'        </td>
                   7580:     <td>'.$domsel.'                                  </td></tr>
                   7581: <tr><td>'.&mt('File to upload:').'</td>
                   7582:     <td><input type="file" name="upfile" size="50" /></td></tr>
1.181     albertel 7583: </table>
1.492     albertel 7584: <input name="command" value="scantronupload_save" type="hidden" />
                   7585: <input type="button" onClick="javascript:checkUpload(this.form);" value="'.&mt('Upload Scantron Data').'" />
1.157     albertel 7586: </form>
1.492     albertel 7587: ');
1.157     albertel 7588:     return '';
                   7589: }
                   7590: 
1.423     albertel 7591: =pod
                   7592: 
                   7593: =item scantron_upload_scantron_data_save
                   7594: 
                   7595:    Adds a provided bubble information data file to the course if user
                   7596:    has the correct privileges to do so.  
                   7597: 
                   7598: =cut
                   7599: 
1.157     albertel 7600: sub scantron_upload_scantron_data_save {
                   7601:     my($r)=@_;
1.324     albertel 7602:     my ($symb)=&get_symb($r,1);
1.182     albertel 7603:     my $doanotherupload=
                   7604: 	'<br /><form action="/adm/grades" method="post">'."\n".
                   7605: 	'<input type="hidden" name="command" value="scantronupload" />'."\n".
1.492     albertel 7606: 	'<input type="submit" name="submit" value="'.&mt('Do Another Upload').'" />'."\n".
1.182     albertel 7607: 	'</form>'."\n";
1.257     albertel 7608:     if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
1.162     albertel 7609: 	!&Apache::lonnet::allowed('usc',
1.257     albertel 7610: 			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
1.492     albertel 7611: 	$r->print(&mt("You are not allowed to upload Scantron data to the requested course.")."<br />");
1.182     albertel 7612: 	if ($symb) {
1.324     albertel 7613: 	    $r->print(&show_grading_menu_form($symb));
1.182     albertel 7614: 	} else {
                   7615: 	    $r->print($doanotherupload);
                   7616: 	}
1.162     albertel 7617: 	return '';
                   7618:     }
1.257     albertel 7619:     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
1.492     albertel 7620:     $r->print(&mt("Doing upload to [_1]",$coursedata{'description'})." <br />");
1.257     albertel 7621:     my $fname=$env{'form.upfile.filename'};
1.157     albertel 7622:     #FIXME
                   7623:     #copied from lonnet::userfileupload()
                   7624:     #make that function able to target a specified course
                   7625:     # Replace Windows backslashes by forward slashes
                   7626:     $fname=~s/\\/\//g;
                   7627:     # Get rid of everything but the actual filename
                   7628:     $fname=~s/^.*\/([^\/]+)$/$1/;
                   7629:     # Replace spaces by underscores
                   7630:     $fname=~s/\s+/\_/g;
                   7631:     # Replace all other weird characters by nothing
                   7632:     $fname=~s/[^\w\.\-]//g;
                   7633:     # See if there is anything left
                   7634:     unless ($fname) { return 'error: no uploaded file'; }
1.209     ng       7635:     my $uploadedfile=$fname;
1.157     albertel 7636:     $fname='scantron_orig_'.$fname;
1.257     albertel 7637:     if (length($env{'form.upfile'}) < 2) {
1.492     albertel 7638: 	$r->print(&mt("<span class=\"LC_error\">Error:</span> The file you attempted to upload, [_1]  contained no information. Please check that you entered the correct filename.",'<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));
1.183     albertel 7639:     } else {
1.275     albertel 7640: 	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
1.210     albertel 7641: 	if ($result =~ m|^/uploaded/|) {
1.492     albertel 7642: 	    $r->print(&mt("<span class=\"LC_success\">Success:</span> Successfully uploaded [_1] bytes of data into location [_2]",
                   7643: 			  (length($env{'form.upfile'})-1),
                   7644: 			  '<span class="LC_filename">'.$result."</span>"));
1.210     albertel 7645: 	} else {
1.492     albertel 7646: 	    $r->print(&mt("<span class=\"LC_error\">Error:</span> An error ([_1]) occurred when attempting to upload the file, [_2]",
                   7647: 			  $result,
                   7648: 			  '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</span>"));
                   7649: 
1.183     albertel 7650: 	}
                   7651:     }
1.174     albertel 7652:     if ($symb) {
1.209     ng       7653: 	$r->print(&scantron_selectphase($r,$uploadedfile));
1.174     albertel 7654:     } else {
1.182     albertel 7655: 	$r->print($doanotherupload);
1.174     albertel 7656:     }
1.157     albertel 7657:     return '';
                   7658: }
                   7659: 
1.423     albertel 7660: =pod
                   7661: 
                   7662: =item valid_file
                   7663: 
1.424     albertel 7664:    Validates that the requested bubble data file exists in the course.
1.423     albertel 7665: 
                   7666: =cut
                   7667: 
1.202     albertel 7668: sub valid_file {
                   7669:     my ($requested_file)=@_;
                   7670:     foreach my $filename (sort(&scantron_filenames())) {
                   7671: 	if ($requested_file eq $filename) { return 1; }
                   7672:     }
                   7673:     return 0;
                   7674: }
                   7675: 
1.423     albertel 7676: =pod
                   7677: 
                   7678: =item scantron_download_scantron_data
                   7679: 
                   7680:    Shows a list of the three internal files (original, corrected,
                   7681:    skipped) for a specific bubble sheet data file that exists in the
                   7682:    course.
                   7683: 
                   7684: =cut
                   7685: 
1.202     albertel 7686: sub scantron_download_scantron_data {
                   7687:     my ($r)=@_;
1.324     albertel 7688:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.257     albertel 7689:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   7690:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   7691:     my $file=$env{'form.scantron_selectfile'};
1.202     albertel 7692:     if (! &valid_file($file)) {
1.492     albertel 7693: 	$r->print('
1.202     albertel 7694: 	<p>
1.492     albertel 7695: 	    '.&mt('The requested file name was invalid.').'
1.202     albertel 7696:         </p>
1.492     albertel 7697: ');
1.324     albertel 7698: 	$r->print(&show_grading_menu_form(&get_symb($r,1)));
1.202     albertel 7699: 	return;
                   7700:     }
                   7701:     my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
                   7702:     my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file;
                   7703:     my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file;
                   7704:     &Apache::lonnet::allowuploaded('/adm/grades',$orig);
                   7705:     &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
                   7706:     &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
1.492     albertel 7707:     $r->print('
1.202     albertel 7708:     <p>
1.492     albertel 7709: 	'.&mt('[_1]Original[_2] file as uploaded by the scantron office.',
                   7710: 	      '<a href="'.$orig.'">','</a>').'
1.202     albertel 7711:     </p>
                   7712:     <p>
1.492     albertel 7713: 	'.&mt('[_1]Corrections[_2], a file of corrected records that were used in grading.',
                   7714: 	      '<a href="'.$corrected.'">','</a>').'
1.202     albertel 7715:     </p>
                   7716:     <p>
1.492     albertel 7717: 	'.&mt('[_1]Skipped[_2], a file of records that were skipped.',
                   7718: 	      '<a href="'.$skipped.'">','</a>').'
1.202     albertel 7719:     </p>
1.492     albertel 7720: ');
1.324     albertel 7721:     $r->print(&show_grading_menu_form(&get_symb($r,1)));
1.202     albertel 7722:     return '';
                   7723: }
1.157     albertel 7724: 
1.423     albertel 7725: =pod
                   7726: 
                   7727: =back
                   7728: 
                   7729: =cut
                   7730: 
1.75      albertel 7731: #-------- end of section for handling grading scantron forms -------
                   7732: #
                   7733: #-------------------------------------------------------------------
                   7734: 
1.72      ng       7735: #-------------------------- Menu interface -------------------------
                   7736: #
                   7737: #--- Show a Grading Menu button - Calls the next routine ---
                   7738: sub show_grading_menu_form {
1.324     albertel 7739:     my ($symb)=@_;
1.125     ng       7740:     my $result.='<br /><form action="/adm/grades" method="post">'."\n".
1.418     albertel 7741: 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 7742: 	'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
1.72      ng       7743: 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
1.478     albertel 7744: 	'<input type="submit" name="submit" value="'.&mt('Grading Menu').'" />'."\n".
1.72      ng       7745: 	'</form>'."\n";
                   7746:     return $result;
                   7747: }
                   7748: 
1.77      ng       7749: # -- Retrieve choices for grading form
                   7750: sub savedState {
                   7751:     my %savedState = ();
1.257     albertel 7752:     if ($env{'form.saveState'}) {
                   7753: 	foreach (split(/:/,$env{'form.saveState'})) {
1.77      ng       7754: 	    my ($key,$value) = split(/=/,$_,2);
                   7755: 	    $savedState{$key} = $value;
                   7756: 	}
                   7757:     }
                   7758:     return \%savedState;
                   7759: }
1.76      ng       7760: 
1.443     banghart 7761: sub grading_menu {
                   7762:     my ($request) = @_;
                   7763:     my ($symb)=&get_symb($request);
                   7764:     if (!$symb) {return '';}
                   7765:     my $probTitle = &Apache::lonnet::gettitle($symb);
                   7766:     my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
                   7767: 
1.444     banghart 7768:     $request->print($table);
1.443     banghart 7769:     my %fields = ('symb'=>&Apache::lonenc::check_encrypt($symb),
                   7770:                   'handgrade'=>$hdgrade,
                   7771:                   'probTitle'=>$probTitle,
                   7772:                   'command'=>'submit_options',
                   7773:                   'saveState'=>"",
                   7774:                   'gradingMenu'=>1,
                   7775:                   'showgrading'=>"yes");
                   7776:     my $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   7777:     my @menu = ({ url => $url,
                   7778:                      name => &mt('Manual Grading/View Submissions'),
                   7779:                      short_description => 
                   7780:     &mt('Start the process of hand grading submissions.'),
                   7781:                  });
                   7782:     $fields{'command'} = 'csvform';
                   7783:     $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   7784:     push (@menu, { url => $url,
                   7785:                    name => &mt('Upload Scores'),
                   7786:                    short_description => 
                   7787:             &mt('Specify a file containing the class scores for current resource.')});
                   7788:     $fields{'command'} = 'processclicker';
                   7789:     $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   7790:     push (@menu, { url => $url,
                   7791:                    name => &mt('Process Clicker'),
                   7792:                    short_description => 
                   7793:             &mt('Specify a file containing the clicker information for this resource.')});
                   7794:     $fields{'command'} = 'scantron_selectphase';
                   7795:     $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
                   7796:     push (@menu, { url => $url,
1.454     banghart 7797:                    name => &mt('Grade/Manage Scantron Forms'),
                   7798:                    short_description => 
                   7799:             &mt('')});
1.443     banghart 7800:     $fields{'command'} = 'verify';
                   7801:     $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields);
1.445     banghart 7802:     push (@menu, { url => "",
1.443     banghart 7803:                    name => &mt('Verify Receipt'),
                   7804:                    short_description => 
                   7805:             &mt('')});
                   7806:     #
                   7807:     # Create the menu
                   7808:     my $Str;
1.444     banghart 7809:     # $Str .= '<h2>'.&mt('Please select a grading task').'</h2>';
1.445     banghart 7810:     $Str .= '<form method="post" action="" name="gradingMenu">';
                   7811:     $Str .= '<input type="hidden" name="command" value="" />'.
                   7812:     	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
                   7813: 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
1.476     albertel 7814: 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
1.445     banghart 7815: 	'<input type="hidden" name="saveState"   value="" />'."\n".
                   7816: 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
                   7817: 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
                   7818: 
1.443     banghart 7819:     foreach my $menudata (@menu) {
1.445     banghart 7820:         if ($menudata->{'name'} ne &mt('Verify Receipt')) {
                   7821:             $Str .='    <h3><a '.
                   7822:                 $menudata->{'jscript'}.
                   7823:                 ' href="'.
                   7824:                 $menudata->{'url'}.'" >'.
                   7825:                 $menudata->{'name'}."</a></h3>\n";
                   7826:         } else {
1.511     www      7827:             $Str .='<hr /><input type="button" value="'.&mt('Verify Receipt').'" '.
1.445     banghart 7828:                 $menudata->{'jscript'}.
1.458     banghart 7829:                 ' onClick="javascript:checkChoice(document.forms.gradingMenu,\'5\',\'verify\')" '.
1.511     www      7830:                 ' /> '.
                   7831: 		&Apache::lonnet::recprefix($env{'request.course.id'}).
                   7832:                     '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />';
1.444     banghart 7833:         }
1.443     banghart 7834:         $Str .= '    '.('&nbsp;'x8).$menudata->{'short_description'}.
                   7835:             "\n";
                   7836:     }
1.444     banghart 7837:     $Str .="</form>\n";
1.443     banghart 7838:     $request->print(<<GRADINGMENUJS);
                   7839: <script type="text/javascript" language="javascript">
                   7840:     function checkChoice(formname,val,cmdx) {
                   7841: 	if (val <= 2) {
                   7842: 	    var cmd = radioSelection(formname.radioChoice);
                   7843: 	    var cmdsave = cmd;
                   7844: 	} else {
                   7845: 	    cmd = cmdx;
                   7846: 	    cmdsave = 'submission';
                   7847: 	}
                   7848: 	formname.command.value = cmd;
                   7849: 	if (val < 5) formname.submit();
                   7850: 	if (val == 5) {
1.458     banghart 7851: 	    if (!checkReceiptNo(formname,'notOK')) { 
                   7852: 	        return false;
                   7853: 	    } else {
                   7854: 	        formname.submit();
                   7855: 	    }
1.445     banghart 7856: 	}
                   7857:     }
1.443     banghart 7858: 
                   7859:     function checkReceiptNo(formname,nospace) {
                   7860: 	var receiptNo = formname.receipt.value;
                   7861: 	var checkOpt = false;
                   7862: 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
                   7863: 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
                   7864: 	if (checkOpt) {
                   7865: 	    alert("Please enter a receipt number given by a student in the receipt box.");
                   7866: 	    formname.receipt.value = "";
                   7867: 	    formname.receipt.focus();
                   7868: 	    return false;
                   7869: 	}
                   7870: 	return true;
                   7871:     }
                   7872: </script>
                   7873: GRADINGMENUJS
                   7874:     &commonJSfunctions($request);
                   7875:     return $Str;    
                   7876: }
                   7877: 
                   7878: 
                   7879: #--- Displays the submissions first page -------
                   7880: sub submit_options {
1.72      ng       7881:     my ($request) = @_;
1.324     albertel 7882:     my ($symb)=&get_symb($request);
1.72      ng       7883:     if (!$symb) {return '';}
1.76      ng       7884:     my $probTitle = &Apache::lonnet::gettitle($symb);
1.72      ng       7885: 
                   7886:     $request->print(<<GRADINGMENUJS);
                   7887: <script type="text/javascript" language="javascript">
1.116     ng       7888:     function checkChoice(formname,val,cmdx) {
                   7889: 	if (val <= 2) {
                   7890: 	    var cmd = radioSelection(formname.radioChoice);
1.118     ng       7891: 	    var cmdsave = cmd;
1.116     ng       7892: 	} else {
                   7893: 	    cmd = cmdx;
1.118     ng       7894: 	    cmdsave = 'submission';
1.116     ng       7895: 	}
                   7896: 	formname.command.value = cmd;
1.118     ng       7897: 	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
1.145     albertel 7898: 	    ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
1.116     ng       7899: 	if (val < 5) formname.submit();
                   7900: 	if (val == 5) {
1.72      ng       7901: 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
                   7902: 	    formname.submit();
                   7903: 	}
1.238     albertel 7904: 	if (val < 7) formname.submit();
1.72      ng       7905:     }
                   7906: 
                   7907:     function checkReceiptNo(formname,nospace) {
                   7908: 	var receiptNo = formname.receipt.value;
                   7909: 	var checkOpt = false;
                   7910: 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
                   7911: 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
                   7912: 	if (checkOpt) {
                   7913: 	    alert("Please enter a receipt number given by a student in the receipt box.");
                   7914: 	    formname.receipt.value = "";
                   7915: 	    formname.receipt.focus();
                   7916: 	    return false;
                   7917: 	}
                   7918: 	return true;
                   7919:     }
                   7920: </script>
                   7921: GRADINGMENUJS
1.118     ng       7922:     &commonJSfunctions($request);
1.324     albertel 7923:     my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
1.473     albertel 7924:     my $result;
1.76      ng       7925:     my (undef,$sections) = &getclasslist('all','0');
1.77      ng       7926:     my $savedState = &savedState();
1.118     ng       7927:     my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
1.77      ng       7928:     my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
1.118     ng       7929:     my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
1.77      ng       7930:     my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
1.72      ng       7931: 
                   7932:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
1.418     albertel 7933: 	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.72      ng       7934: 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
                   7935: 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
1.116     ng       7936: 	'<input type="hidden" name="command"     value="" />'."\n".
1.77      ng       7937: 	'<input type="hidden" name="saveState"   value="" />'."\n".
1.124     ng       7938: 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
1.72      ng       7939: 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
                   7940: 
1.472     albertel 7941:     $result.='
                   7942:     <div class="LC_grade_select_mode">
1.473     albertel 7943:       <div class="LC_grade_select_mode_current">
                   7944:         <h2>
                   7945:           '.&mt('Grade Current Resource').'
                   7946:         </h2>
                   7947:         <div class="LC_grade_select_mode_body">
                   7948:           <div class="LC_grades_resource_info">
                   7949:            '.$table.'
                   7950:           </div>
                   7951:           <div class="LC_grade_select_mode_selector">
                   7952:              <div class="LC_grade_select_mode_selector_header">
                   7953:                 '.&mt('Sections').'
                   7954:              </div>
                   7955:              <div class="LC_grade_select_mode_selector_body">
                   7956: 	       <select name="section" multiple="multiple" size="5">'."\n";
1.116     ng       7957:     if (ref($sections)) {
1.472     albertel 7958: 	foreach my $section (sort (@$sections)) {
                   7959: 	    $result.='<option value="'.$section.'" '.
                   7960: 		($saveSec eq $section ? 'selected="selected"':'').'>'.$section.'</option>'."\n";
1.155     albertel 7961: 	}
1.116     ng       7962:     }
1.401     albertel 7963:     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="selected"' : ''). '>all</option></select> &nbsp; ';
1.472     albertel 7964:     $result.='
1.473     albertel 7965:              </div>
                   7966:           </div>
                   7967:           <div class="LC_grade_select_mode_selector">
                   7968:              <div class="LC_grade_select_mode_selector_header">
                   7969:                 '.&mt('Groups').'
                   7970:              </div>
                   7971:              <div class="LC_grade_select_mode_selector_body">
                   7972:                 '.&Apache::lonstatistics::GroupSelect('group','multiple',5).'
                   7973:              </div>
1.472     albertel 7974:           </div>
1.473     albertel 7975:           <div class="LC_grade_select_mode_selector">
                   7976:              <div class="LC_grade_select_mode_selector_header">
                   7977:                 '.&mt('Access Status').'
                   7978:              </div>
                   7979:              <div class="LC_grade_select_mode_selector_body">
                   7980:                 '.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,5,undef,'mult').'
                   7981:              </div>
1.472     albertel 7982:           </div>
1.473     albertel 7983:           <div class="LC_grade_select_mode_selector">
                   7984:              <div class="LC_grade_select_mode_selector_header">
                   7985:                 '.&mt('Submission Status').'
                   7986:              </div>
                   7987:              <div class="LC_grade_select_mode_selector_body">
                   7988:                <select name="submitonly" size="5">
                   7989: 	         <option value="yes" '.      ($saveSub eq 'yes'       ? 'selected="selected"' : '').'>'.&mt('with submissions').'</option>
                   7990: 	         <option value="queued" '.   ($saveSub eq 'queued'    ? 'selected="selected"' : '').'>'.&mt('in grading queue').'</option>
                   7991: 	         <option value="graded" '.   ($saveSub eq 'graded'    ? 'selected="selected"' : '').'>'.&mt('with ungraded submissions').'</option>
                   7992: 	         <option value="incorrect" '.($saveSub eq 'incorrect' ? 'selected="selected"' : '').'>'.&mt('with incorrect submissions').'</option>
                   7993:                  <option value="all" '.      ($saveSub eq 'all'       ? 'selected="selected"' : '').'>'.&mt('with any status').'</option>
                   7994:                </select>
                   7995:              </div>
1.472     albertel 7996:           </div>
1.473     albertel 7997:           <div class="LC_grade_select_mode_type_body">
                   7998:             <div class="LC_grade_select_mode_type">
                   7999:               <label>
                   8000:                 <input type="radio" name="radioChoice" value="submission" '.
                   8001:                   ($saveCmd eq 'submission' ? 'checked="checked"' : '').' /> '.
                   8002:              &mt('Select individual students to grade and view submissions.').'
                   8003: 	      </label> 
                   8004:             </div>
                   8005:             <div class="LC_grade_select_mode_type">
                   8006: 	      <label>
                   8007:                 <input type="radio" name="radioChoice" value="viewgrades" '.
                   8008:                   ($saveCmd eq 'viewgrades' ? 'checked="checked"' : '').' /> '.
                   8009:                     &mt('Grade all selected students in a grading table.').'
                   8010:               </label>
                   8011:             </div>
                   8012:             <div class="LC_grade_select_mode_type">
                   8013: 	      <input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="'.&mt('Next-&gt;').'" />
                   8014:             </div>
1.472     albertel 8015:           </div>
1.473     albertel 8016:         </div>
                   8017:       </div>
                   8018:       <div class="LC_grade_select_mode_page">
                   8019:         <h2>
                   8020:          '.&mt('Grade Complete Folder for One Student').'
                   8021:         </h2>
                   8022:         <div class="LC_grades_select_mode_body">
                   8023:           <div class="LC_grade_select_mode_type_body">
                   8024:             <div class="LC_grade_select_mode_type">
                   8025:               <label>
                   8026:                 <input type="radio" name="radioChoice" value="pickStudentPage" '.
                   8027: 	  ($saveCmd eq 'pickStudentPage' ? 'checked="checked"' : '').' /> '.
                   8028:   &mt('The <b>complete</b> page/sequence/folder: For one student').'
                   8029:               </label>
                   8030:             </div>
                   8031:             <div class="LC_grade_select_mode_type">
                   8032: 	      <input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="'.&mt('Next-&gt;').'" />
                   8033:             </div>
1.472     albertel 8034:           </div>
                   8035:         </div>
                   8036:       </div>
                   8037:     </div>
                   8038:   </form>';
1.499     albertel 8039:     $result .= &show_grading_menu_form($symb);
1.44      ng       8040:     return $result;
1.2       albertel 8041: }
                   8042: 
1.285     albertel 8043: sub reset_perm {
                   8044:     undef(%perm);
                   8045: }
                   8046: 
                   8047: sub init_perm {
                   8048:     &reset_perm();
1.300     albertel 8049:     foreach my $test_perm ('vgr','mgr','opa') {
                   8050: 
                   8051: 	my $scope = $env{'request.course.id'};
                   8052: 	if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) {
                   8053: 
                   8054: 	    $scope .= '/'.$env{'request.course.sec'};
                   8055: 	    if ( $perm{$test_perm}=
                   8056: 		 &Apache::lonnet::allowed($test_perm,$scope)) {
                   8057: 		$perm{$test_perm.'_section'}=$env{'request.course.sec'};
                   8058: 	    } else {
                   8059: 		delete($perm{$test_perm});
                   8060: 	    }
1.285     albertel 8061: 	}
                   8062:     }
                   8063: }
                   8064: 
1.400     www      8065: sub gather_clicker_ids {
1.408     albertel 8066:     my %clicker_ids;
1.400     www      8067: 
                   8068:     my $classlist = &Apache::loncoursedata::get_classlist();
                   8069: 
                   8070:     # Set up a couple variables.
1.407     albertel 8071:     my $username_idx = &Apache::loncoursedata::CL_SNAME();
                   8072:     my $domain_idx   = &Apache::loncoursedata::CL_SDOM();
1.438     www      8073:     my $status_idx   = &Apache::loncoursedata::CL_STATUS();
1.400     www      8074: 
1.407     albertel 8075:     foreach my $student (keys(%$classlist)) {
1.438     www      8076:         if ($classlist->{$student}->[$status_idx] ne 'Active') { next; }
1.407     albertel 8077:         my $username = $classlist->{$student}->[$username_idx];
                   8078:         my $domain   = $classlist->{$student}->[$domain_idx];
1.400     www      8079:         my $clickers =
1.408     albertel 8080: 	    (&Apache::lonnet::userenvironment($domain,$username,'clickers'))[1];
1.400     www      8081:         foreach my $id (split(/\,/,$clickers)) {
1.414     www      8082:             $id=~s/^[\#0]+//;
1.421     www      8083:             $id=~s/[\-\:]//g;
1.407     albertel 8084:             if (exists($clicker_ids{$id})) {
1.408     albertel 8085: 		$clicker_ids{$id}.=','.$username.':'.$domain;
1.400     www      8086:             } else {
1.408     albertel 8087: 		$clicker_ids{$id}=$username.':'.$domain;
1.400     www      8088:             }
                   8089:         }
                   8090:     }
1.407     albertel 8091:     return %clicker_ids;
1.400     www      8092: }
                   8093: 
1.402     www      8094: sub gather_adv_clicker_ids {
1.408     albertel 8095:     my %clicker_ids;
1.402     www      8096:     my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
                   8097:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   8098:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.409     albertel 8099:     foreach my $element (sort(keys(%coursepersonnel))) {
1.402     www      8100:         foreach my $person (split(/\,/,$coursepersonnel{$element})) {
                   8101:             my ($puname,$pudom)=split(/\:/,$person);
                   8102:             my $clickers =
1.408     albertel 8103: 		(&Apache::lonnet::userenvironment($pudom,$puname,'clickers'))[1];
1.405     www      8104:             foreach my $id (split(/\,/,$clickers)) {
1.414     www      8105: 		$id=~s/^[\#0]+//;
1.421     www      8106:                 $id=~s/[\-\:]//g;
1.408     albertel 8107: 		if (exists($clicker_ids{$id})) {
                   8108: 		    $clicker_ids{$id}.=','.$puname.':'.$pudom;
                   8109: 		} else {
                   8110: 		    $clicker_ids{$id}=$puname.':'.$pudom;
                   8111: 		}
1.405     www      8112:             }
1.402     www      8113:         }
                   8114:     }
1.407     albertel 8115:     return %clicker_ids;
1.402     www      8116: }
                   8117: 
1.413     www      8118: sub clicker_grading_parameters {
                   8119:     return ('gradingmechanism' => 'scalar',
                   8120:             'upfiletype' => 'scalar',
                   8121:             'specificid' => 'scalar',
                   8122:             'pcorrect' => 'scalar',
                   8123:             'pincorrect' => 'scalar');
                   8124: }
                   8125: 
1.400     www      8126: sub process_clicker {
                   8127:     my ($r)=@_;
                   8128:     my ($symb)=&get_symb($r);
                   8129:     if (!$symb) {return '';}
                   8130:     my $result=&checkforfile_js();
                   8131:     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
                   8132:     my ($table) = &showResourceInfo($symb,$env{'form.probTitle'});
                   8133:     $result.=$table;
                   8134:     $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
                   8135:     $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
                   8136:     $result.='&nbsp;<b>'.&mt('Specify a file containing the clicker information for this resource').
                   8137:         '.</b></td></tr>'."\n";
                   8138:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
1.413     www      8139: # Attempt to restore parameters from last session, set defaults if not present
                   8140:     my %Saveable_Parameters=&clicker_grading_parameters();
                   8141:     &Apache::loncommon::restore_course_settings('grades_clicker',
                   8142:                                                  \%Saveable_Parameters);
                   8143:     if (!$env{'form.pcorrect'}) { $env{'form.pcorrect'}=100; }
                   8144:     if (!$env{'form.pincorrect'}) { $env{'form.pincorrect'}=100; }
                   8145:     if (!$env{'form.gradingmechanism'}) { $env{'form.gradingmechanism'}='attendance'; }
                   8146:     if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; }
                   8147: 
                   8148:     my %checked;
                   8149:     foreach my $gradingmechanism ('attendance','personnel','specific') {
                   8150:        if ($env{'form.gradingmechanism'} eq $gradingmechanism) {
                   8151:           $checked{$gradingmechanism}="checked='checked'";
                   8152:        }
                   8153:     }
                   8154: 
1.400     www      8155:     my $upload=&mt("Upload File");
                   8156:     my $type=&mt("Type");
1.402     www      8157:     my $attendance=&mt("Award points just for participation");
                   8158:     my $personnel=&mt("Correctness determined from response by course personnel");
1.414     www      8159:     my $specific=&mt("Correctness determined from response with clicker ID(s)"); 
1.402     www      8160:     my $pcorrect=&mt("Percentage points for correct solution");
                   8161:     my $pincorrect=&mt("Percentage points for incorrect solution");
1.413     www      8162:     my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
1.419     www      8163: 						   ('iclicker' => 'i>clicker',
                   8164:                                                     'interwrite' => 'interwrite PRS'));
1.418     albertel 8165:     $symb = &Apache::lonenc::check_encrypt($symb);
1.400     www      8166:     $result.=<<ENDUPFORM;
1.402     www      8167: <script type="text/javascript">
                   8168: function sanitycheck() {
                   8169: // Accept only integer percentages
                   8170:    document.forms.gradesupload.pcorrect.value=Math.round(document.forms.gradesupload.pcorrect.value);
                   8171:    document.forms.gradesupload.pincorrect.value=Math.round(document.forms.gradesupload.pincorrect.value);
                   8172: // Find out grading choice
                   8173:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   8174:       if (document.forms.gradesupload.gradingmechanism[i].checked) {
                   8175:          gradingchoice=document.forms.gradesupload.gradingmechanism[i].value;
                   8176:       }
                   8177:    }
                   8178: // By default, new choice equals user selection
                   8179:    newgradingchoice=gradingchoice;
                   8180: // Not good to give more points for false answers than correct ones
                   8181:    if (Math.round(document.forms.gradesupload.pcorrect.value)<Math.round(document.forms.gradesupload.pincorrect.value)) {
                   8182:       document.forms.gradesupload.pcorrect.value=document.forms.gradesupload.pincorrect.value;
                   8183:    }
                   8184: // If new choice is attendance only, and old choice was correctness-based, restore defaults
                   8185:    if ((gradingchoice=='attendance') && (document.forms.gradesupload.waschecked.value!='attendance')) {
                   8186:       document.forms.gradesupload.pcorrect.value=100;
                   8187:       document.forms.gradesupload.pincorrect.value=100;
                   8188:    }
                   8189: // If the values are different, cannot be attendance only
                   8190:    if ((Math.round(document.forms.gradesupload.pcorrect.value)!=Math.round(document.forms.gradesupload.pincorrect.value)) &&
                   8191:        (gradingchoice=='attendance')) {
                   8192:        newgradingchoice='personnel';
                   8193:    }
                   8194: // Change grading choice to new one
                   8195:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   8196:       if (document.forms.gradesupload.gradingmechanism[i].value==newgradingchoice) {
                   8197:          document.forms.gradesupload.gradingmechanism[i].checked=true;
                   8198:       } else {
                   8199:          document.forms.gradesupload.gradingmechanism[i].checked=false;
                   8200:       }
                   8201:    }
                   8202: // Remember the old state
                   8203:    document.forms.gradesupload.waschecked.value=newgradingchoice;
                   8204: }
                   8205: </script>
1.400     www      8206: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                   8207: <input type="hidden" name="symb" value="$symb" />
                   8208: <input type="hidden" name="command" value="processclickerfile" />
                   8209: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   8210: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
                   8211: <input type="file" name="upfile" size="50" />
                   8212: <br /><label>$type: $selectform</label>
1.451     albertel 8213: <br /><label><input type="radio" name="gradingmechanism" value="attendance" $checked{'attendance'} onClick="sanitycheck()" />$attendance </label>
                   8214: <br /><label><input type="radio" name="gradingmechanism" value="personnel" $checked{'personnel'} onClick="sanitycheck()" />$personnel</label>
                   8215: <br /><label><input type="radio" name="gradingmechanism" value="specific" $checked{'specific'} onClick="sanitycheck()" />$specific </label>
1.414     www      8216: <input type="text" name="specificid" value="$env{'form.specificid'}" size="20" />
1.413     www      8217: <input type="hidden" name="waschecked" value="$env{'form.gradingmechanism'}" />
                   8218: <br /><label>$pcorrect: <input type="text" name="pcorrect" size="4" value="$env{'form.pcorrect'}" onChange="sanitycheck()" /></label>
                   8219: <br /><label>$pincorrect: <input type="text" name="pincorrect" size="4" value="$env{'form.pincorrect'}" onChange="sanitycheck()" /></label>
1.400     www      8220: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="$upload" />
                   8221: </form>
                   8222: ENDUPFORM
                   8223:     $result.='</td></tr></table>'."\n".
                   8224:              '</td></tr></table><br /><br />'."\n";
                   8225:     $result.=&show_grading_menu_form($symb);
                   8226:     return $result;
                   8227: }
                   8228: 
                   8229: sub process_clicker_file {
                   8230:     my ($r)=@_;
                   8231:     my ($symb)=&get_symb($r);
                   8232:     if (!$symb) {return '';}
1.413     www      8233: 
                   8234:     my %Saveable_Parameters=&clicker_grading_parameters();
                   8235:     &Apache::loncommon::store_course_settings('grades_clicker',
                   8236:                                               \%Saveable_Parameters);
                   8237: 
1.400     www      8238:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.404     www      8239:     if (($env{'form.gradingmechanism'} eq 'specific') && ($env{'form.specificid'}!~/\w/)) {
1.408     albertel 8240: 	$result.='<span class="LC_error">'.&mt('You need to specify a clicker ID for the correct answer').'</span>';
                   8241: 	return $result.&show_grading_menu_form($symb);
1.404     www      8242:     }
1.407     albertel 8243:     my %clicker_ids=&gather_clicker_ids();
1.408     albertel 8244:     my %correct_ids;
1.404     www      8245:     if ($env{'form.gradingmechanism'} eq 'personnel') {
1.408     albertel 8246: 	%correct_ids=&gather_adv_clicker_ids();
1.404     www      8247:     }
                   8248:     if ($env{'form.gradingmechanism'} eq 'specific') {
1.414     www      8249: 	foreach my $correct_id (split(/[\s\,]/,$env{'form.specificid'})) {;
                   8250: 	   $correct_id=~tr/a-z/A-Z/;
                   8251: 	   $correct_id=~s/\s//gs;
                   8252: 	   $correct_id=~s/^[\#0]+//;
1.421     www      8253:            $correct_id=~s/[\-\:]//g;
1.414     www      8254:            if ($correct_id) {
                   8255: 	      $correct_ids{$correct_id}='specified';
                   8256:            }
                   8257:         }
1.400     www      8258:     }
1.404     www      8259:     if ($env{'form.gradingmechanism'} eq 'attendance') {
1.408     albertel 8260: 	$result.=&mt('Score based on attendance only');
1.404     www      8261:     } else {
1.408     albertel 8262: 	my $number=0;
1.411     www      8263: 	$result.='<p><b>'.&mt('Correctness determined by the following IDs').'</b>';
1.408     albertel 8264: 	foreach my $id (sort(keys(%correct_ids))) {
1.411     www      8265: 	    $result.='<br /><tt>'.$id.'</tt> - ';
1.408     albertel 8266: 	    if ($correct_ids{$id} eq 'specified') {
                   8267: 		$result.=&mt('specified');
                   8268: 	    } else {
                   8269: 		my ($uname,$udom)=split(/\:/,$correct_ids{$id});
                   8270: 		$result.=&Apache::loncommon::plainname($uname,$udom);
                   8271: 	    }
                   8272: 	    $number++;
                   8273: 	}
1.411     www      8274:         $result.="</p>\n";
1.408     albertel 8275: 	if ($number==0) {
                   8276: 	    $result.='<span class="LC_error">'.&mt('No IDs found to determine correct answer').'</span>';
                   8277: 	    return $result.&show_grading_menu_form($symb);
                   8278: 	}
1.404     www      8279:     }
1.405     www      8280:     if (length($env{'form.upfile'}) < 2) {
1.407     albertel 8281:         $result.=&mt('[_1] Error: [_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.',
                   8282: 		     '<span class="LC_error">',
                   8283: 		     '</span>',
                   8284: 		     '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>');
1.405     www      8285:         return $result.&show_grading_menu_form($symb);
                   8286:     }
1.410     www      8287: 
                   8288: # Were able to get all the info needed, now analyze the file
                   8289: 
1.411     www      8290:     $result.=&Apache::loncommon::studentbrowser_javascript();
1.418     albertel 8291:     $symb = &Apache::lonenc::check_encrypt($symb);
1.410     www      8292:     my $heading=&mt('Scanning clicker file');
                   8293:     $result.=(<<ENDHEADER);
                   8294: <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
                   8295: <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
                   8296: <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
                   8297: <form method="post" action="/adm/grades" name="clickeranalysis">
                   8298: <input type="hidden" name="symb" value="$symb" />
                   8299: <input type="hidden" name="command" value="assignclickergrades" />
                   8300: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   8301: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
1.411     www      8302: <input type="hidden" name="gradingmechanism" value="$env{'form.gradingmechanism'}" />
                   8303: <input type="hidden" name="pcorrect" value="$env{'form.pcorrect'}" />
                   8304: <input type="hidden" name="pincorrect" value="$env{'form.pincorrect'}" />
1.410     www      8305: ENDHEADER
1.408     albertel 8306:     my %responses;
                   8307:     my @questiontitles;
1.405     www      8308:     my $errormsg='';
                   8309:     my $number=0;
                   8310:     if ($env{'form.upfiletype'} eq 'iclicker') {
1.408     albertel 8311: 	($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses);
1.406     www      8312:     }
1.419     www      8313:     if ($env{'form.upfiletype'} eq 'interwrite') {
                   8314:         ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses);
                   8315:     }
1.411     www      8316:     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
                   8317:              '<input type="hidden" name="number" value="'.$number.'" />'.
                   8318:              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
                   8319:                  $env{'form.pcorrect'},$env{'form.pincorrect'}).
                   8320:              '<br />';
1.414     www      8321: # Remember Question Titles
                   8322: # FIXME: Possibly need delimiter other than ":"
                   8323:     for (my $i=0;$i<$number;$i++) {
                   8324:         $result.='<input type="hidden" name="question:'.$i.'" value="'.
                   8325:                  &HTML::Entities::encode($questiontitles[$i],'"&<>').'" />';
                   8326:     }
1.411     www      8327:     my $correct_count=0;
                   8328:     my $student_count=0;
                   8329:     my $unknown_count=0;
1.414     www      8330: # Match answers with usernames
                   8331: # FIXME: Possibly need delimiter other than ":"
1.409     albertel 8332:     foreach my $id (keys(%responses)) {
1.410     www      8333:        if ($correct_ids{$id}) {
1.414     www      8334:           $result.="\n".'<input type="hidden" name="correct:'.$correct_count.':'.$correct_ids{$id}.'" value="'.$responses{$id}.'" />';
1.411     www      8335:           $correct_count++;
1.410     www      8336:        } elsif ($clicker_ids{$id}) {
1.437     www      8337:           if ($clicker_ids{$id}=~/\,/) {
                   8338: # More than one user with the same clicker!
                   8339:              $result.="\n<hr />".&mt('Clicker registered more than once').": <tt>".$id."</tt><br />";
                   8340:              $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
                   8341:                            "<select name='multi".$id."'>";
                   8342:              foreach my $reguser (sort(split(/\,/,$clicker_ids{$id}))) {
                   8343:                  $result.="<option value='".$reguser."'>".&Apache::loncommon::plainname(split(/\:/,$reguser)).' ('.$reguser.')</option>';
                   8344:              }
                   8345:              $result.='</select>';
                   8346:              $unknown_count++;
                   8347:           } else {
                   8348: # Good: found one and only one user with the right clicker
                   8349:              $result.="\n".'<input type="hidden" name="student:'.$clicker_ids{$id}.'" value="'.$responses{$id}.'" />';
                   8350:              $student_count++;
                   8351:           }
1.410     www      8352:        } else {
1.411     www      8353:           $result.="\n<hr />".&mt('Unregistered Clicker')." <tt>".$id."</tt><br />";
                   8354:           $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
                   8355:                    "\n".&mt("Username").": <input type='text' name='uname".$id."' />&nbsp;".
                   8356:                    "\n".&mt("Domain").": ".
                   8357:                    &Apache::loncommon::select_dom_form($env{'course.'.$env{'request.course.id'}.'.domain'},'udom'.$id).'&nbsp;'.
                   8358:                    &Apache::loncommon::selectstudent_link('clickeranalysis','uname'.$id,'udom'.$id);
                   8359:           $unknown_count++;
1.410     www      8360:        }
1.405     www      8361:     }
1.412     www      8362:     $result.='<hr />'.
                   8363:              &mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count);
                   8364:     if ($env{'form.gradingmechanism'} ne 'attendance') {
                   8365:        if ($correct_count==0) {
                   8366:           $errormsg.="Found no correct answers answers for grading!";
                   8367:        } elsif ($correct_count>1) {
1.414     www      8368:           $result.='<br /><span class="LC_warning">'.&mt("Found [_1] entries for grading!",$correct_count).'</span>';
1.412     www      8369:        }
                   8370:     }
1.428     www      8371:     if ($number<1) {
                   8372:        $errormsg.="Found no questions.";
                   8373:     }
1.412     www      8374:     if ($errormsg) {
                   8375:        $result.='<br /><span class="LC_error">'.&mt($errormsg).'</span>';
                   8376:     } else {
                   8377:        $result.='<br /><input type="submit" name="finalize" value="'.&mt('Finalize Grading').'" />';
                   8378:     }
                   8379:     $result.='</form></td></tr></table>'."\n".
1.410     www      8380:              '</td></tr></table><br /><br />'."\n";
1.404     www      8381:     return $result.&show_grading_menu_form($symb);
1.400     www      8382: }
                   8383: 
1.405     www      8384: sub iclicker_eval {
1.406     www      8385:     my ($questiontitles,$responses)=@_;
1.405     www      8386:     my $number=0;
                   8387:     my $errormsg='';
                   8388:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
1.410     www      8389:         my %components=&Apache::loncommon::record_sep($line);
                   8390:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.408     albertel 8391: 	if ($entries[0] eq 'Question') {
                   8392: 	    for (my $i=3;$i<$#entries;$i+=6) {
                   8393: 		$$questiontitles[$number]=$entries[$i];
                   8394: 		$number++;
                   8395: 	    }
                   8396: 	}
                   8397: 	if ($entries[0]=~/^\#/) {
                   8398: 	    my $id=$entries[0];
                   8399: 	    my @idresponses;
                   8400: 	    $id=~s/^[\#0]+//;
                   8401: 	    for (my $i=0;$i<$number;$i++) {
                   8402: 		my $idx=3+$i*6;
                   8403: 		push(@idresponses,$entries[$idx]);
                   8404: 	    }
                   8405: 	    $$responses{$id}=join(',',@idresponses);
                   8406: 	}
1.405     www      8407:     }
                   8408:     return ($errormsg,$number);
                   8409: }
                   8410: 
1.419     www      8411: sub interwrite_eval {
                   8412:     my ($questiontitles,$responses)=@_;
                   8413:     my $number=0;
                   8414:     my $errormsg='';
1.420     www      8415:     my $skipline=1;
                   8416:     my $questionnumber=0;
                   8417:     my %idresponses=();
1.419     www      8418:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
                   8419:         my %components=&Apache::loncommon::record_sep($line);
                   8420:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.420     www      8421:         if ($entries[1] eq 'Time') { $skipline=0; next; }
                   8422:         if ($entries[1] eq 'Response') { $skipline=1; }
                   8423:         next if $skipline;
                   8424:         if ($entries[0]!=$questionnumber) {
                   8425:            $questionnumber=$entries[0];
                   8426:            $$questiontitles[$number]=&mt('Question [_1]',$questionnumber);
                   8427:            $number++;
1.419     www      8428:         }
1.420     www      8429:         my $id=$entries[4];
                   8430:         $id=~s/^[\#0]+//;
1.421     www      8431:         $id=~s/^v\d*\://i;
                   8432:         $id=~s/[\-\:]//g;
1.420     www      8433:         $idresponses{$id}[$number]=$entries[6];
                   8434:     }
                   8435:     foreach my $id (keys %idresponses) {
                   8436:        $$responses{$id}=join(',',@{$idresponses{$id}});
                   8437:        $$responses{$id}=~s/^\s*\,//;
1.419     www      8438:     }
                   8439:     return ($errormsg,$number);
                   8440: }
                   8441: 
1.414     www      8442: sub assign_clicker_grades {
                   8443:     my ($r)=@_;
                   8444:     my ($symb)=&get_symb($r);
                   8445:     if (!$symb) {return '';}
1.416     www      8446: # See which part we are saving to
                   8447:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
                   8448: # FIXME: This should probably look for the first handgradeable part
                   8449:     my $part=$$partlist[0];
                   8450: # Start screen output
1.414     www      8451:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.416     www      8452: 
1.414     www      8453:     my $heading=&mt('Assigning grades based on clicker file');
                   8454:     $result.=(<<ENDHEADER);
                   8455: <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
                   8456: <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
                   8457: <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
                   8458: ENDHEADER
                   8459: # Get correct result
                   8460: # FIXME: Possibly need delimiter other than ":"
                   8461:     my @correct=();
1.415     www      8462:     my $gradingmechanism=$env{'form.gradingmechanism'};
                   8463:     my $number=$env{'form.number'};
                   8464:     if ($gradingmechanism ne 'attendance') {
1.414     www      8465:        foreach my $key (keys(%env)) {
                   8466:           if ($key=~/^form\.correct\:/) {
                   8467:              my @input=split(/\,/,$env{$key});
                   8468:              for (my $i=0;$i<=$#input;$i++) {
                   8469:                  if (($correct[$i]) && ($input[$i]) &&
                   8470:                      ($correct[$i] ne $input[$i])) {
                   8471:                     $result.='<br /><span class="LC_warning">'.
                   8472:                              &mt('More than one correct result given for question "[_1]": [_2] versus [_3].',
                   8473:                                  $env{'form.question:'.$i},$correct[$i],$input[$i]).'</span>';
                   8474:                  } elsif ($input[$i]) {
                   8475:                     $correct[$i]=$input[$i];
                   8476:                  }
                   8477:              }
                   8478:           }
                   8479:        }
1.415     www      8480:        for (my $i=0;$i<$number;$i++) {
1.414     www      8481:           if (!$correct[$i]) {
                   8482:              $result.='<br /><span class="LC_error">'.
                   8483:                       &mt('No correct result given for question "[_1]"!',
                   8484:                           $env{'form.question:'.$i}).'</span>';
                   8485:           }
                   8486:        }
                   8487:        $result.='<br />'.&mt("Correct answer: [_1]",join(', ',map { ($_?$_:'-') } @correct));
                   8488:     }
                   8489: # Start grading
1.415     www      8490:     my $pcorrect=$env{'form.pcorrect'};
                   8491:     my $pincorrect=$env{'form.pincorrect'};
1.416     www      8492:     my $storecount=0;
1.415     www      8493:     foreach my $key (keys(%env)) {
1.420     www      8494:        my $user='';
1.415     www      8495:        if ($key=~/^form\.student\:(.*)$/) {
1.420     www      8496:           $user=$1;
                   8497:        }
                   8498:        if ($key=~/^form\.unknown\:(.*)$/) {
                   8499:           my $id=$1;
                   8500:           if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) {
                   8501:              $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id};
1.437     www      8502:           } elsif ($env{'form.multi'.$id}) {
                   8503:              $user=$env{'form.multi'.$id};
1.420     www      8504:           }
                   8505:        }
                   8506:        if ($user) { 
1.415     www      8507:           my @answer=split(/\,/,$env{$key});
                   8508:           my $sum=0;
                   8509:           for (my $i=0;$i<$number;$i++) {
                   8510:              if ($answer[$i]) {
                   8511:                 if ($gradingmechanism eq 'attendance') {
                   8512:                    $sum+=$pcorrect;
                   8513:                 } else {
                   8514:                    if ($answer[$i] eq $correct[$i]) {
                   8515:                       $sum+=$pcorrect;
                   8516:                    } else {
                   8517:                       $sum+=$pincorrect;
                   8518:                    }
                   8519:                 }
                   8520:              }
                   8521:           }
1.416     www      8522:           my $ave=$sum/(100*$number);
                   8523: # Store
                   8524:           my ($username,$domain)=split(/\:/,$user);
                   8525:           my %grades=();
                   8526:           $grades{"resource.$part.solved"}='correct_by_override';
                   8527:           $grades{"resource.$part.awarded"}=$ave;
                   8528:           $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
                   8529:           my $returncode=&Apache::lonnet::cstore(\%grades,$symb,
                   8530:                                                  $env{'request.course.id'},
                   8531:                                                  $domain,$username);
                   8532:           if ($returncode ne 'ok') {
                   8533:              $result.="<br /><span class=\"LC_error\">Failed to save student $username:$domain. Message when trying to save was ($returncode)</span>";
                   8534:           } else {
                   8535:              $storecount++;
                   8536:           }
1.415     www      8537:        }
                   8538:     }
                   8539: # We are done
1.416     www      8540:     $result.='<br />'.&mt('Successfully stored grades for [_1] student(s).',$storecount).
                   8541:              '</td></tr></table>'."\n".
1.414     www      8542:              '</td></tr></table><br /><br />'."\n";
                   8543:     return $result.&show_grading_menu_form($symb);
                   8544: }
                   8545: 
1.1       albertel 8546: sub handler {
1.41      ng       8547:     my $request=$_[0];
1.434     albertel 8548:     &reset_caches();
1.257     albertel 8549:     if ($env{'browser.mathml'}) {
1.141     www      8550: 	&Apache::loncommon::content_type($request,'text/xml');
1.41      ng       8551:     } else {
1.141     www      8552: 	&Apache::loncommon::content_type($request,'text/html');
1.41      ng       8553:     }
                   8554:     $request->send_http_header;
1.44      ng       8555:     return '' if $request->header_only;
1.41      ng       8556:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1.324     albertel 8557:     my $symb=&get_symb($request,1);
1.160     albertel 8558:     my @commands=&Apache::loncommon::get_env_multiple('form.command');
                   8559:     my $command=$commands[0];
1.447     foxr     8560: 
1.160     albertel 8561:     if ($#commands > 0) {
                   8562: 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
                   8563:     }
1.447     foxr     8564: 
1.513   ! foxr     8565:     $ssi_error = 0;
1.353     albertel 8566:     $request->print(&Apache::loncommon::start_page('Grading'));
1.324     albertel 8567:     if ($symb eq '' && $command eq '') {
1.257     albertel 8568: 	if ($env{'user.adv'}) {
                   8569: 	    if (($env{'form.codeone'}) && ($env{'form.codetwo'}) &&
                   8570: 		($env{'form.codethree'})) {
                   8571: 		my $token=$env{'form.codeone'}.'*'.$env{'form.codetwo'}.'*'.
                   8572: 		    $env{'form.codethree'};
1.41      ng       8573: 		my ($tsymb,$tuname,$tudom,$tcrsid)=
                   8574: 		    &Apache::lonnet::checkin($token);
                   8575: 		if ($tsymb) {
1.137     albertel 8576: 		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
1.41      ng       8577: 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
1.513   ! foxr     8578: 			$request->print(&ssi_with_retries('/res/'.$url, $ssi_retries,
1.99      albertel 8579: 					  ('grade_username' => $tuname,
                   8580: 					   'grade_domain' => $tudom,
                   8581: 					   'grade_courseid' => $tcrsid,
                   8582: 					   'grade_symb' => $tsymb)));
1.41      ng       8583: 		    } else {
1.45      ng       8584: 			$request->print('<h3>Not authorized: '.$token.'</h3>');
1.99      albertel 8585: 		    }
1.41      ng       8586: 		} else {
1.45      ng       8587: 		    $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
1.41      ng       8588: 		}
1.14      www      8589: 	    } else {
1.41      ng       8590: 		$request->print(&Apache::lonxml::tokeninputfield());
                   8591: 	    }
                   8592: 	}
                   8593:     } else {
1.285     albertel 8594: 	&init_perm();
1.104     albertel 8595: 	if ($command eq 'submission' && $perm{'vgr'}) {
1.257     albertel 8596: 	    ($env{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
1.103     albertel 8597: 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
1.68      ng       8598: 	    &pickStudentPage($request);
1.103     albertel 8599: 	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
1.68      ng       8600: 	    &displayPage($request);
1.104     albertel 8601: 	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
1.71      ng       8602: 	    &updateGradeByPage($request);
1.104     albertel 8603: 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
1.41      ng       8604: 	    &processGroup($request);
1.104     albertel 8605: 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
1.443     banghart 8606: 	    $request->print(&grading_menu($request));
                   8607: 	} elsif ($command eq 'submit_options' && $perm{'vgr'}) {
                   8608: 	    $request->print(&submit_options($request));
1.104     albertel 8609: 	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
1.41      ng       8610: 	    $request->print(&viewgrades($request));
1.104     albertel 8611: 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
1.41      ng       8612: 	    $request->print(&processHandGrade($request));
1.106     albertel 8613: 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
1.41      ng       8614: 	    $request->print(&editgrades($request));
1.106     albertel 8615: 	} elsif ($command eq 'verify' && $perm{'vgr'}) {
1.41      ng       8616: 	    $request->print(&verifyreceipt($request));
1.400     www      8617:         } elsif ($command eq 'processclicker' && $perm{'mgr'}) {
                   8618:             $request->print(&process_clicker($request));
                   8619:         } elsif ($command eq 'processclickerfile' && $perm{'mgr'}) {
                   8620:             $request->print(&process_clicker_file($request));
1.414     www      8621:         } elsif ($command eq 'assignclickergrades' && $perm{'mgr'}) {
                   8622:             $request->print(&assign_clicker_grades($request));
1.106     albertel 8623: 	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
1.72      ng       8624: 	    $request->print(&upcsvScores_form($request));
1.106     albertel 8625: 	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
1.41      ng       8626: 	    $request->print(&csvupload($request));
1.106     albertel 8627: 	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
1.41      ng       8628: 	    $request->print(&csvuploadmap($request));
1.246     albertel 8629: 	} elsif ($command eq 'csvuploadoptions' && $perm{'mgr'}) {
1.257     albertel 8630: 	    if ($env{'form.associate'} ne 'Reverse Association') {
1.246     albertel 8631: 		$request->print(&csvuploadoptions($request));
1.41      ng       8632: 	    } else {
1.257     albertel 8633: 		if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                   8634: 		    $env{'form.upfile_associate'} = 'reverse';
1.41      ng       8635: 		} else {
1.257     albertel 8636: 		    $env{'form.upfile_associate'} = 'forward';
1.41      ng       8637: 		}
                   8638: 		$request->print(&csvuploadmap($request));
                   8639: 	    }
1.246     albertel 8640: 	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'} ) {
                   8641: 	    $request->print(&csvuploadassign($request));
1.106     albertel 8642: 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
1.75      albertel 8643: 	    $request->print(&scantron_selectphase($request));
1.203     albertel 8644:  	} elsif ($command eq 'scantron_warning' && $perm{'mgr'}) {
                   8645:  	    $request->print(&scantron_do_warning($request));
1.142     albertel 8646: 	} elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
                   8647: 	    $request->print(&scantron_validate_file($request));
1.106     albertel 8648: 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
1.82      albertel 8649: 	    $request->print(&scantron_process_students($request));
1.157     albertel 8650:  	} elsif ($command eq 'scantronupload' && 
1.257     albertel 8651:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   8652: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.162     albertel 8653:  	    $request->print(&scantron_upload_scantron_data($request)); 
1.157     albertel 8654:  	} elsif ($command eq 'scantronupload_save' &&
1.257     albertel 8655:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   8656: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.157     albertel 8657:  	    $request->print(&scantron_upload_scantron_data_save($request));
1.202     albertel 8658:  	} elsif ($command eq 'scantron_download' &&
1.257     albertel 8659: 		 &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
1.162     albertel 8660:  	    $request->print(&scantron_download_scantron_data($request));
1.106     albertel 8661: 	} elsif ($command) {
1.157     albertel 8662: 	    $request->print("Access Denied ($command)");
1.26      albertel 8663: 	}
1.2       albertel 8664:     }
1.513   ! foxr     8665:     if ($ssi_error) {
        !          8666: 	&ssi_print_error($request);
        !          8667:     }
1.353     albertel 8668:     $request->print(&Apache::loncommon::end_page());
1.434     albertel 8669:     &reset_caches();
1.44      ng       8670:     return '';
                   8671: }
                   8672: 
1.1       albertel 8673: 1;
                   8674: 
1.13      albertel 8675: __END__;

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