Annotation of loncom/homework/grades.pm, revision 1.421

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.421   ! www         4: # $Id: grades.pm,v 1.420 2007/07/04 20:28:44 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;
1.55      matthew    38: use Apache::loncoursedata;
1.362     albertel   39: use Apache::lonmsg();
1.1       albertel   40: use Apache::Constants qw(:common);
1.167     sakharuk   41: use Apache::lonlocal;
1.386     raeburn    42: use Apache::lonenc;
1.170     albertel   43: use String::Similarity;
1.359     www        44: use LONCAPA;
                     45: 
1.315     bowersj2   46: use POSIX qw(floor);
1.87      www        47: 
                     48: my %oldessays=();
1.103     albertel   49: my %perm=();
1.1       albertel   50: 
1.68      ng         51: # ----- These first few routines are general use routines.----
1.44      ng         52: #
1.146     albertel   53: # --- Retrieve the parts from the metadata file.---
1.44      ng         54: sub getpartlist {
1.324     albertel   55:     my ($symb) = @_;
                     56:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.146     albertel   57:     my $partorder = &Apache::lonnet::metadata($url, 'partorder');
                     58:     my @parts;
                     59:     if ($partorder) {
                     60: 	for my $part (split (/,/,$partorder)) {
                     61: 	    if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
                     62: 		push(@parts, $part);
                     63: 	    }
                     64: 	}	    
                     65:     } else {
                     66: 	my $metadata = &Apache::lonnet::metadata($url, 'packages');
                     67: 	foreach (split(/\,/,$metadata)) {
                     68: 	    if ($_ =~ /^part_(.*)$/) {
                     69: 		if (!&Apache::loncommon::check_if_partid_hidden($1,$symb)) {
                     70: 		    push(@parts, $1);
                     71: 		}
                     72: 	    }
1.41      ng         73: 	}
1.16      albertel   74:     }
1.146     albertel   75:     my @stores;
                     76:     foreach my $part (@parts) {
                     77: 	my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                     78: 	foreach my $key (@metakeys) {
                     79: 	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
                     80: 	}
                     81:     }
                     82:     return @stores;
1.2       albertel   83: }
                     84: 
1.44      ng         85: # --- Get the symbolic name of a problem and the url
1.324     albertel   86: sub get_symb {
1.173     albertel   87:     my ($request,$silent) = @_;
1.257     albertel   88:     (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                     89:     my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
1.173     albertel   90:     if ($symb eq '') { 
                     91: 	if (!$silent) {
                     92: 	    $request->print("Unable to handle ambiguous references:$url:.");
                     93: 	    return ();
                     94: 	}
                     95:     }
1.418     albertel   96:     &Apache::lonenc::check_decrypt(\$symb);
1.324     albertel   97:     return ($symb);
1.32      ng         98: }
                     99: 
1.129     ng        100: #--- Format fullname, username:domain if different for display
                    101: #--- Use anywhere where the student names are listed
                    102: sub nameUserString {
                    103:     my ($type,$fullname,$uname,$udom) = @_;
                    104:     if ($type eq 'header') {
1.398     albertel  105: 	return '<b>&nbsp;Fullname&nbsp;</b><span class="LC_internal_info">(Username)</span>';
1.129     ng        106:     } else {
1.398     albertel  107: 	return '&nbsp;'.$fullname.'<span class="LC_internal_info">&nbsp;('.$uname.
                    108: 	    ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</span>';
1.129     ng        109:     }
                    110: }
                    111: 
1.44      ng        112: #--- Get the partlist and the response type for a given problem. ---
                    113: #--- Indicate if a response type is coded handgraded or not. ---
1.39      ng        114: sub response_type {
1.324     albertel  115:     my ($symb) = shift;
1.377     albertel  116: 
                    117:     my $navmap = Apache::lonnavmaps::navmap->new();
                    118:     my $res = $navmap->getBySymb($symb);
                    119:     my $partlist = $res->parts();
1.392     albertel  120:     my %vPart = 
                    121: 	map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart'));
1.377     albertel  122:     my (%response_types,%handgrade);
                    123:     foreach my $part (@{ $partlist }) {
1.392     albertel  124: 	next if (%vPart && !exists($vPart{$part}));
                    125: 
1.377     albertel  126: 	my @types = $res->responseType($part);
                    127: 	my @ids = $res->responseIds($part);
                    128: 	for (my $i=0; $i < scalar(@ids); $i++) {
                    129: 	    $response_types{$part}{$ids[$i]} = $types[$i];
                    130: 	    $handgrade{$part.'_'.$ids[$i]} = 
                    131: 		&Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i].
                    132: 				     '.handgrade',$symb);
1.41      ng        133: 	}
                    134:     }
1.377     albertel  135:     return ($partlist,\%handgrade,\%response_types);
1.39      ng        136: }
                    137: 
1.375     albertel  138: sub flatten_responseType {
                    139:     my ($responseType) = @_;
                    140:     my @part_response_id =
                    141: 	map { 
                    142: 	    my $part = $_;
                    143: 	    map {
                    144: 		[$part,$_]
                    145: 		} sort(keys(%{ $responseType->{$part} }));
                    146: 	} sort(keys(%$responseType));
                    147:     return @part_response_id;
                    148: }
                    149: 
1.207     albertel  150: sub get_display_part {
1.324     albertel  151:     my ($partID,$symb)=@_;
1.207     albertel  152:     my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
                    153:     if (defined($display) and $display ne '') {
1.398     albertel  154: 	$display.= " (<span class=\"LC_internal_info\">id $partID</span>)";
1.207     albertel  155:     } else {
                    156: 	$display=$partID;
                    157:     }
                    158:     return $display;
                    159: }
1.269     raeburn   160: 
1.118     ng        161: #--- Show resource title
                    162: #--- and parts and response type
                    163: sub showResourceInfo {
1.324     albertel  164:     my ($symb,$probTitle,$checkboxes) = @_;
1.154     albertel  165:     my $col=3;
                    166:     if ($checkboxes) { $col=4; }
1.398     albertel  167:     my $result = '<h3>'.&mt('Current Resource').': '.$probTitle.'</h3>'."\n";
                    168:     $result .='<table border="0">';
1.324     albertel  169:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.126     ng        170:     my %resptype = ();
1.122     ng        171:     my $hdgrade='no';
1.154     albertel  172:     my %partsseen;
1.375     albertel  173:     foreach my $partID (sort keys(%$responseType)) {
                    174: 	foreach my $resID (sort keys(%{ $responseType->{$partID} })) {
                    175: 	    my $handgrade=$$handgrade{$partID.'_'.$resID};
                    176: 	    my $responsetype = $responseType->{$partID}->{$resID};
                    177: 	    $hdgrade = $handgrade if ($handgrade eq 'yes');
                    178: 	    $result.='<tr>';
                    179: 	    if ($checkboxes) {
                    180: 		if (exists($partsseen{$partID})) {
                    181: 		    $result.="<td>&nbsp;</td>";
                    182: 		} else {
1.401     albertel  183: 		    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='checked' /></td>";
1.375     albertel  184: 		}
                    185: 		$partsseen{$partID}=1;
1.154     albertel  186: 	    }
1.375     albertel  187: 	    my $display_part=&get_display_part($partID,$symb);
1.398     albertel  188: 	    $result.='<td><b>Part: </b>'.$display_part.' <span class="LC_internal_info">'.
                    189: 		$resID.'</span></td>'.
1.375     albertel  190: 		'<td><b>Type: </b>'.$responsetype.'</td></tr>';
                    191: #	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
1.154     albertel  192: 	}
1.118     ng        193:     }
                    194:     $result.='</table>'."\n";
1.147     albertel  195:     return $result,$responseType,$hdgrade,$partlist,$handgrade;
1.118     ng        196: }
                    197: 
1.148     albertel  198: 
                    199: sub get_order {
                    200:     my ($partid,$respid,$symb,$uname,$udom)=@_;
                    201:     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
                    202:     $url=&Apache::lonnet::clutter($url);
                    203:     my $subresult=&Apache::lonnet::ssi($url,
                    204: 				       ('grade_target' => 'analyze'),
                    205: 				       ('grade_domain' => $udom),
                    206: 				       ('grade_symb' => $symb),
                    207: 				       ('grade_courseid' => 
1.257     albertel  208: 					        $env{'request.course.id'}),
1.148     albertel  209: 				       ('grade_username' => $uname));
1.149     albertel  210:     (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
1.148     albertel  211:     my %analyze=&Apache::lonnet::str2hash($subresult);
                    212:     return ($analyze{"$partid.$respid.shown"});
                    213: }
1.118     ng        214: #--- Clean response type for display
1.335     albertel  215: #--- Currently filters option/rank/radiobutton/match/essay/Task
                    216: #        response types only.
1.118     ng        217: sub cleanRecord {
1.336     albertel  218:     my ($answer,$response,$symb,$partid,$respid,$record,$order,$version,
                    219: 	$uname,$udom) = @_;
1.398     albertel  220:     my $grayFont = '<span class="LC_internal_info">';
1.148     albertel  221:     if ($response =~ /^(option|rank)$/) {
                    222: 	my %answer=&Apache::lonnet::str2hash($answer);
                    223: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    224: 	my ($toprow,$bottomrow);
                    225: 	foreach my $foil (@$order) {
                    226: 	    if ($grading{$foil} == 1) {
                    227: 		$toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
                    228: 	    } else {
                    229: 		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
                    230: 	    }
1.398     albertel  231: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  232: 	}
                    233: 	return '<blockquote><table border="1">'.
                    234: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
1.398     albertel  235: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
1.148     albertel  236: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
                    237:     } elsif ($response eq 'match') {
                    238: 	my %answer=&Apache::lonnet::str2hash($answer);
                    239: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
                    240: 	my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
                    241: 	my ($toprow,$middlerow,$bottomrow);
                    242: 	foreach my $foil (@$order) {
                    243: 	    my $item=shift(@items);
                    244: 	    if ($grading{$foil} == 1) {
                    245: 		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
1.398     albertel  246: 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</span></b></td>';
1.148     albertel  247: 	    } else {
                    248: 		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
1.398     albertel  249: 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</span></i></td>';
1.148     albertel  250: 	    }
1.398     albertel  251: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.118     ng        252: 	}
1.126     ng        253: 	return '<blockquote><table border="1">'.
1.148     albertel  254: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
1.398     albertel  255: 	    '<tr valign="top"><td>'.$grayFont.'Item ID</span></td>'.
1.148     albertel  256: 	    $middlerow.'</tr>'.
1.398     albertel  257: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
1.148     albertel  258: 	    $bottomrow.'</tr>'.'</table></blockquote>';
                    259:     } elsif ($response eq 'radiobutton') {
                    260: 	my %answer=&Apache::lonnet::str2hash($answer);
                    261: 	my ($toprow,$bottomrow);
                    262: 	my $correct=($order->[0])+1;
                    263: 	for (my $i=1;$i<=$#$order;$i++) {
                    264: 	    my $foil=$order->[$i];
                    265: 	    if (exists($answer{$foil})) {
                    266: 		if ($i == $correct) {
                    267: 		    $toprow.='<td><b>true</b></td>';
                    268: 		} else {
                    269: 		    $toprow.='<td><i>true</i></td>';
                    270: 		}
                    271: 	    } else {
                    272: 		$toprow.='<td>false</td>';
                    273: 	    }
1.398     albertel  274: 	    $bottomrow.='<td>'.$grayFont.$foil.'</span>&nbsp;</td>';
1.148     albertel  275: 	}
                    276: 	return '<blockquote><table border="1">'.
                    277: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
1.398     albertel  278: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</span></td>'.
1.148     albertel  279: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
                    280:     } elsif ($response eq 'essay') {
1.257     albertel  281: 	if (! exists ($env{'form.'.$symb})) {
1.122     ng        282: 	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel  283: 						  $env{'course.'.$env{'request.course.id'}.'.domain'},
                    284: 						  $env{'course.'.$env{'request.course.id'}.'.num'});
1.122     ng        285: 
1.257     albertel  286: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                    287: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                    288: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                    289: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                    290: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                    291: 	    $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        292: 	}
1.166     albertel  293: 	$answer =~ s-\n-<br />-g;
                    294: 	return '<br /><br /><blockquote><tt>'.&keywords_highlight($answer).'</tt></blockquote>';
1.268     albertel  295:     } elsif ( $response eq 'organic') {
                    296: 	my $result='Smile representation: "<tt>'.$answer.'</tt>"';
                    297: 	my $jme=$record->{$version."resource.$partid.$respid.molecule"};
                    298: 	$result.=&Apache::chemresponse::jme_img($jme,$answer,400);
                    299: 	return $result;
1.335     albertel  300:     } elsif ( $response eq 'Task') {
                    301: 	if ( $answer eq 'SUBMITTED') {
                    302: 	    my $files = $record->{$version."resource.$respid.$partid.bridgetask.portfiles"};
1.336     albertel  303: 	    my $result = &Apache::bridgetask::file_list($files,$uname,$udom);
1.335     albertel  304: 	    return $result;
                    305: 	} elsif ( grep(/^\Q$version\E.*?\.instance$/, keys(%{$record})) ) {
                    306: 	    my @matches = grep(/^\Q$version\E.*?\.instance$/,
                    307: 			       keys(%{$record}));
                    308: 	    return join('<br />',($version,@matches));
                    309: 			       
                    310: 			       
                    311: 	} else {
                    312: 	    my $result =
                    313: 		'<p>'
                    314: 		.&mt('Overall result: [_1]',
                    315: 		     $record->{$version."resource.$respid.$partid.status"})
                    316: 		.'</p>';
                    317: 	    
                    318: 	    $result .= '<ul>';
                    319: 	    my @grade = grep(/^\Q${version}resource.$respid.$partid.\E[^.]*[.]status$/,
                    320: 			     keys(%{$record}));
                    321: 	    foreach my $grade (sort(@grade)) {
                    322: 		my ($dim) = ($grade =~/[.]([^.]+)[.]status$/);
                    323: 		$result.= '<li>'.&mt("Dimension: [_1], status [_2] ",
                    324: 				     $dim, $record->{$grade}).
                    325: 			  '</li>';
                    326: 	    }
                    327: 	    $result.='</ul>';
                    328: 	    return $result;
                    329: 	}
                    330:        
1.122     ng        331:     }
1.118     ng        332:     return $answer;
                    333: }
                    334: 
                    335: #-- A couple of common js functions
                    336: sub commonJSfunctions {
                    337:     my $request = shift;
                    338:     $request->print(<<COMMONJSFUNCTIONS);
                    339: <script type="text/javascript" language="javascript">
                    340:     function radioSelection(radioButton) {
                    341: 	var selection=null;
                    342: 	if (radioButton.length > 1) {
                    343: 	    for (var i=0; i<radioButton.length; i++) {
                    344: 		if (radioButton[i].checked) {
                    345: 		    return radioButton[i].value;
                    346: 		}
                    347: 	    }
                    348: 	} else {
                    349: 	    if (radioButton.checked) return radioButton.value;
                    350: 	}
                    351: 	return selection;
                    352:     }
                    353: 
                    354:     function pullDownSelection(selectOne) {
                    355: 	var selection="";
                    356: 	if (selectOne.length > 1) {
                    357: 	    for (var i=0; i<selectOne.length; i++) {
                    358: 		if (selectOne[i].selected) {
                    359: 		    return selectOne[i].value;
                    360: 		}
                    361: 	    }
                    362: 	} else {
1.138     albertel  363:             // only one value it must be the selected one
                    364: 	    return selectOne.value;
1.118     ng        365: 	}
                    366:     }
                    367: </script>
                    368: COMMONJSFUNCTIONS
                    369: }
                    370: 
1.44      ng        371: #--- Dumps the class list with usernames,list of sections,
                    372: #--- section, ids and fullnames for each user.
                    373: sub getclasslist {
1.76      ng        374:     my ($getsec,$filterlist) = @_;
1.291     albertel  375:     my @getsec;
                    376:     if (!ref($getsec)) {
                    377: 	if ($getsec ne '' && $getsec ne 'all') {
                    378: 	    @getsec=($getsec);
                    379: 	}
                    380:     } else {
                    381: 	@getsec=@{$getsec};
                    382:     }
                    383:     if (grep(/^all$/,@getsec)) { undef(@getsec); }
                    384: 
1.56      matthew   385:     my $classlist=&Apache::loncoursedata::get_classlist();
1.49      albertel  386:     # Bail out if we were unable to get the classlist
1.56      matthew   387:     return if (! defined($classlist));
                    388:     #
                    389:     my %sections;
                    390:     my %fullnames;
1.205     matthew   391:     foreach my $student (keys(%$classlist)) {
                    392:         my $end      = 
                    393:             $classlist->{$student}->[&Apache::loncoursedata::CL_END()];
                    394:         my $start    = 
                    395:             $classlist->{$student}->[&Apache::loncoursedata::CL_START()];
                    396:         my $id       = 
                    397:             $classlist->{$student}->[&Apache::loncoursedata::CL_ID()];
                    398:         my $section  = 
                    399:             $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
                    400:         my $fullname = 
                    401:             $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()];
                    402:         my $status   = 
                    403:             $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()];
1.76      ng        404: 	# filter students according to status selected
1.257     albertel  405: 	if ($filterlist && $env{'form.Status'} ne 'Any') {
                    406: 	    if ($env{'form.Status'} ne $status) {
1.205     matthew   407: 		delete ($classlist->{$student});
1.76      ng        408: 		next;
                    409: 	    }
                    410: 	}
1.205     matthew   411: 	$section = ($section ne '' ? $section : 'none');
1.106     albertel  412: 	if (&canview($section)) {
1.291     albertel  413: 	    if (!@getsec || grep(/^\Q$section\E$/,@getsec)) {
1.103     albertel  414: 		$sections{$section}++;
1.205     matthew   415: 		$fullnames{$student}=$fullname;
1.103     albertel  416: 	    } else {
1.205     matthew   417: 		delete($classlist->{$student});
1.103     albertel  418: 	    }
                    419: 	} else {
1.205     matthew   420: 	    delete($classlist->{$student});
1.103     albertel  421: 	}
1.44      ng        422:     }
                    423:     my %seen = ();
1.56      matthew   424:     my @sections = sort(keys(%sections));
                    425:     return ($classlist,\@sections,\%fullnames);
1.44      ng        426: }
                    427: 
1.103     albertel  428: sub canmodify {
                    429:     my ($sec)=@_;
                    430:     if ($perm{'mgr'}) {
                    431: 	if (!defined($perm{'mgr_section'})) {
                    432: 	    # can modify whole class
                    433: 	    return 1;
                    434: 	} else {
                    435: 	    if ($sec eq $perm{'mgr_section'}) {
                    436: 		#can modify the requested section
                    437: 		return 1;
                    438: 	    } else {
                    439: 		# can't modify the request section
                    440: 		return 0;
                    441: 	    }
                    442: 	}
                    443:     }
                    444:     #can't modify
                    445:     return 0;
                    446: }
                    447: 
                    448: sub canview {
                    449:     my ($sec)=@_;
                    450:     if ($perm{'vgr'}) {
                    451: 	if (!defined($perm{'vgr_section'})) {
                    452: 	    # can modify whole class
                    453: 	    return 1;
                    454: 	} else {
                    455: 	    if ($sec eq $perm{'vgr_section'}) {
                    456: 		#can modify the requested section
                    457: 		return 1;
                    458: 	    } else {
                    459: 		# can't modify the request section
                    460: 		return 0;
                    461: 	    }
                    462: 	}
                    463:     }
                    464:     #can't modify
                    465:     return 0;
                    466: }
                    467: 
1.44      ng        468: #--- Retrieve the grade status of a student for all the parts
                    469: sub student_gradeStatus {
1.324     albertel  470:     my ($symb,$udom,$uname,$partlist) = @_;
1.257     albertel  471:     my %record     = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.44      ng        472:     my %partstatus = ();
                    473:     foreach (@$partlist) {
1.128     ng        474: 	my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
1.44      ng        475: 	$status              = 'nothing' if ($status eq '');
                    476: 	$partstatus{$_}      = $status;
                    477: 	my $subkey           = "resource.$_.submitted_by";
                    478: 	$partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
                    479:     }
                    480:     return %partstatus;
                    481: }
                    482: 
1.45      ng        483: # hidden form and javascript that calls the form
                    484: # Use by verifyscript and viewgrades
                    485: # Shows a student's view of problem and submission
                    486: sub jscriptNform {
1.324     albertel  487:     my ($symb) = @_;
1.45      ng        488:     my $jscript='<script type="text/javascript" language="javascript">'."\n".
                    489: 	'    function viewOneStudent(user,domain) {'."\n".
                    490: 	'	document.onestudent.student.value = user;'."\n".
                    491: 	'	document.onestudent.userdom.value = domain;'."\n".
                    492: 	'	document.onestudent.submit();'."\n".
                    493: 	'    }'."\n".
                    494: 	'</script>'."\n";
                    495:     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
1.418     albertel  496: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel  497: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
                    498: 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n".
                    499: 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
1.45      ng        500: 	'<input type="hidden" name="command" value="submission" />'."\n".
                    501: 	'<input type="hidden" name="student" value="" />'."\n".
                    502: 	'<input type="hidden" name="userdom" value="" />'."\n".
                    503: 	'</form>'."\n";
                    504:     return $jscript;
                    505: }
1.39      ng        506: 
1.315     bowersj2  507: # Given the score (as a number [0-1] and the weight) what is the final
                    508: # point value? This function will round to the nearest tenth, third,
                    509: # or quarter if one of those is within the tolerance of .00001.
1.316     albertel  510: sub compute_points {
1.315     bowersj2  511:     my ($score, $weight) = @_;
                    512:     
                    513:     my $tolerance = .00001;
                    514:     my $points = $score * $weight;
                    515: 
                    516:     # Check for nearness to 1/x.
                    517:     my $check_for_nearness = sub {
                    518:         my ($factor) = @_;
                    519:         my $num = ($points * $factor) + $tolerance;
                    520:         my $floored_num = floor($num);
1.316     albertel  521:         if ($num - $floored_num < 2 * $tolerance * $factor) {
1.315     bowersj2  522:             return $floored_num / $factor;
                    523:         }
                    524:         return $points;
                    525:     };
                    526: 
                    527:     $points = $check_for_nearness->(10);
                    528:     $points = $check_for_nearness->(3);
                    529:     $points = $check_for_nearness->(4);
                    530:     
                    531:     return $points;
                    532: }
                    533: 
1.44      ng        534: #------------------ End of general use routines --------------------
1.87      www       535: 
                    536: #
                    537: # Find most similar essay
                    538: #
                    539: 
                    540: sub most_similar {
                    541:     my ($uname,$udom,$uessay)=@_;
                    542: 
                    543: # ignore spaces and punctuation
                    544: 
                    545:     $uessay=~s/\W+/ /gs;
                    546: 
1.282     www       547: # ignore empty submissions (occuring when only files are sent)
                    548: 
                    549:     unless ($uessay=~/\w+/) { return ''; }
                    550: 
1.87      www       551: # these will be returned. Do not care if not at least 50 percent similar
1.88      www       552:     my $limit=0.6;
1.87      www       553:     my $sname='';
                    554:     my $sdom='';
                    555:     my $scrsid='';
                    556:     my $sessay='';
                    557: # go through all essays ...
                    558:     foreach my $tkey (keys %oldessays) {
                    559: 	my ($tname,$tdom,$tcrsid)=split(/\./,$tkey);
                    560: # ... except the same student
1.88      www       561:         if (($tname ne $uname) || ($tdom ne $udom)) {
1.87      www       562: 	    my $tessay=$oldessays{$tkey};
                    563:             $tessay=~s/\W+/ /gs;
                    564: # String similarity gives up if not even limit
1.88      www       565:             my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
1.87      www       566: # Found one
                    567:             if ($tsimilar>$limit) {
                    568: 		$limit=$tsimilar;
                    569:                 $sname=$tname;
1.88      www       570:                 $sdom=$tdom;
1.87      www       571:                 $scrsid=$tcrsid;
                    572:                 $sessay=$oldessays{$tkey};
                    573:             }
                    574:         } 
                    575:     }
1.88      www       576:     if ($limit>0.6) {
1.87      www       577:        return ($sname,$sdom,$scrsid,$sessay,$limit);
                    578:     } else {
                    579:        return ('','','','',0);
                    580:     }
                    581: }
                    582: 
1.44      ng        583: #-------------------------------------------------------------------
                    584: 
                    585: #------------------------------------ Receipt Verification Routines
1.45      ng        586: #
1.44      ng        587: #--- Check whether a receipt number is valid.---
                    588: sub verifyreceipt {
                    589:     my $request  = shift;
                    590: 
1.257     albertel  591:     my $courseid = $env{'request.course.id'};
1.184     www       592:     my $receipt  = &Apache::lonnet::recprefix($courseid).'-'.
1.257     albertel  593: 	$env{'form.receipt'};
1.44      ng        594:     $receipt     =~ s/[^\-\d]//g;
1.378     albertel  595:     my ($symb)   = &get_symb($request);
1.44      ng        596: 
1.398     albertel  597:     my $title.='<h3><span class="LC_info">Verifying Submission Receipt '.
                    598: 	$receipt.'</h3></span>'."\n".
                    599: 	'<h4><b>Resource: </b>'.$env{'form.probTitle'}.'</h4><br /><br />'."\n";
1.44      ng        600: 
                    601:     my ($string,$contents,$matches) = ('','',0);
1.56      matthew   602:     my (undef,undef,$fullname) = &getclasslist('all','0');
1.177     albertel  603:     
                    604:     my $receiptparts=0;
1.390     albertel  605:     if ($env{"course.$courseid.receiptalg"} eq 'receipt2' ||
                    606: 	$env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; }
1.177     albertel  607:     my $parts=['0'];
1.324     albertel  608:     if ($receiptparts) { ($parts)=&response_type($symb); }
1.294     albertel  609:     foreach (sort 
                    610: 	     {
                    611: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    612: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    613: 		 }
                    614: 		 return $a cmp $b;
                    615: 	     } (keys(%$fullname))) {
1.44      ng        616: 	my ($uname,$udom)=split(/\:/);
1.177     albertel  617: 	foreach my $part (@$parts) {
                    618: 	    if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
                    619: 		$contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
                    620: 		    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel  621: 		    '\');" target="_self">'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
1.177     albertel  622: 		    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
                    623: 		    '<td>&nbsp;'.$udom.'&nbsp;</td>';
                    624: 		if ($receiptparts) {
                    625: 		    $contents.='<td>&nbsp;'.$part.'&nbsp;</td>';
                    626: 		}
                    627: 		$contents.='</tr>'."\n";
                    628: 		
                    629: 		$matches++;
                    630: 	    }
1.44      ng        631: 	}
                    632:     }
                    633:     if ($matches == 0) {
                    634: 	$string = $title.'No match found for the above receipt.';
                    635:     } else {
1.324     albertel  636: 	$string = &jscriptNform($symb).$title.
1.44      ng        637: 	    'The above receipt matches the following student'.
                    638: 	    ($matches <= 1 ? '.' : 's.')."\n".
                    639: 	    '<table border="0"><tr><td bgcolor="#777777">'."\n".
                    640: 	    '<table border="0"><tr bgcolor="#e6ffff">'."\n".
                    641: 	    '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
                    642: 	    '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
1.177     albertel  643: 	    '<td><b>&nbsp;Domain&nbsp;</b></td>';
                    644: 	if ($receiptparts) {
                    645: 	    $string.='<td>&nbsp;Problem Part&nbsp;</td>';
                    646: 	}
                    647: 	$string.='</tr>'."\n".$contents.
1.44      ng        648: 	    '</table></td></tr></table>'."\n";
                    649:     }
1.324     albertel  650:     return $string.&show_grading_menu_form($symb);
1.44      ng        651: }
                    652: 
                    653: #--- This is called by a number of programs.
                    654: #--- Called from the Grading Menu - View/Grade an individual student
                    655: #--- Also called directly when one clicks on the subm button 
                    656: #    on the problem page.
1.30      ng        657: sub listStudents {
1.41      ng        658:     my ($request) = shift;
1.49      albertel  659: 
1.324     albertel  660:     my ($symb) = &get_symb($request);
1.257     albertel  661:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                    662:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                    663:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                    664:     my $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
                    665: 
                    666:     my $viewgrade = $env{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
                    667:     $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
                    668: 	&Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
1.49      albertel  669: 
1.398     albertel  670:     my $result='<h3><span class="LC_info">&nbsp;'.$viewgrade.
                    671: 	' Submissions for a Student or a Group of Students</span></h3>';
1.118     ng        672: 
1.324     albertel  673:     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes'));
1.49      albertel  674: 
1.45      ng        675:     $request->print(<<LISTJAVASCRIPT);
                    676: <script type="text/javascript" language="javascript">
1.110     ng        677:     function checkSelect(checkBox) {
                    678: 	var ctr=0;
                    679: 	var sense="";
                    680: 	if (checkBox.length > 1) {
                    681: 	    for (var i=0; i<checkBox.length; i++) {
                    682: 		if (checkBox[i].checked) {
                    683: 		    ctr++;
                    684: 		}
                    685: 	    }
                    686: 	    sense = "a student or group of students";
                    687: 	} else {
                    688: 	    if (checkBox.checked) {
                    689: 		ctr = 1;
                    690: 	    }
                    691: 	    sense = "the student";
                    692: 	}
                    693: 	if (ctr == 0) {
1.126     ng        694: 	    alert("Please select "+sense+" before clicking on the Next button.");
1.110     ng        695: 	    return false;
                    696: 	}
                    697: 	document.gradesub.submit();
                    698:     }
                    699: 
                    700:     function reLoadList(formname) {
1.112     ng        701: 	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
1.110     ng        702: 	formname.command.value = 'submission';
                    703: 	formname.submit();
                    704:     }
1.45      ng        705: </script>
                    706: LISTJAVASCRIPT
                    707: 
1.118     ng        708:     &commonJSfunctions($request);
1.41      ng        709:     $request->print($result);
1.39      ng        710: 
1.401     albertel  711:     my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : '';
                    712:     my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : '';
1.154     albertel  713:     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
                    714: 	"\n".$table.
1.401     albertel  715: 	'&nbsp;<b>View Problem Text: </b><label><input type="radio" name="vProb" value="no" checked="checked" /> no </label>'."\n".
1.267     albertel  716: 	'<label><input type="radio" name="vProb" value="yes" /> one student </label>'."\n".
                    717: 	'<label><input type="radio" name="vProb" value="all" /> all students </label><br />'."\n".
                    718: 	'&nbsp;<b>View Answer: </b><label><input type="radio" name="vAns" value="no"  /> no </label>'."\n".
                    719: 	'<label><input type="radio" name="vAns" value="yes" /> one student </label>'."\n".
1.401     albertel  720: 	'<label><input type="radio" name="vAns" value="all" checked="checked" /> all students </label><br />'."\n".
1.49      albertel  721: 	'&nbsp;<b>Submissions: </b>'."\n";
1.257     albertel  722:     if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
1.267     albertel  723: 	$gradeTable.='<label><input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only </label>'."\n";
1.49      albertel  724:     }
1.110     ng        725: 
1.257     albertel  726:     my $saveStatus = $env{'form.Status'} eq '' ? 'Active' : $env{'form.Status'};
                    727:     $env{'form.Status'} = $saveStatus;
1.110     ng        728: 
1.267     albertel  729:     $gradeTable.='<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only </label>'."\n".
                    730: 	'<label><input type="radio" name="lastSub" value="last" /> last submission & parts info </label>'."\n".
                    731: 	'<label><input type="radio" name="lastSub" value="datesub" /> by dates and submissions </label>'."\n".
1.348     bowersj2  732: 	'<label><input type="radio" name="lastSub" value="all" /> all details</label><br />'."\n".
                    733:         '&nbsp;<b>Grading Increments:</b> <select name="increment">'.
                    734:         '<option value="1">Whole Points</option>'.
                    735:         '<option value=".5">Half Points</option>'.
1.349     albertel  736:         '<option value=".25">Quarter Points</option>'.
                    737:         '<option value=".1">Tenths of a Point</option>'.
1.348     bowersj2  738:         '</select>'.
                    739: 
1.45      ng        740: 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
                    741: 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
1.257     albertel  742: 	'<input type="hidden" name="handgrade"   value="'.$env{'form.handgrade'}.'" /><br />'."\n".
                    743: 	'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" /><br />'."\n".
                    744: 	'<input type="hidden" name="saveState"   value="'.$env{'form.saveState'}.'" />'."\n".
                    745: 	'<input type="hidden" name="probTitle"   value="'.$env{'form.probTitle'}.'" />'."\n".
1.418     albertel  746: 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.110     ng        747: 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
                    748: 
1.257     albertel  749:     if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) {
                    750: 	$gradeTable.='<input type="hidden" name="Status"   value="'.$env{'form.Status'}.'" />'."\n";
1.124     ng        751:     } else {
                    752: 	$gradeTable.='<b>Student Status:</b> '.
                    753: 	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
                    754:     }
1.112     ng        755: 
1.126     ng        756:     $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
                    757: 	'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
1.110     ng        758: 	'<input type="hidden" name="command" value="processGroup" />'."\n";
1.249     albertel  759: 
                    760: # checkall buttons
                    761:     $gradeTable.=&check_script('gradesub', 'stuinfo');
1.110     ng        762:     $gradeTable.='<input type="button" '."\n".
1.45      ng        763: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
1.249     albertel  764: 	'value="Next->" /> <br />'."\n";
                    765:     $gradeTable.=&check_buttons();
1.401     albertel  766:     $gradeTable.='<label><input type="checkbox" name="checkPlag" checked="checked" />Check For Plagiarism</label>';
1.249     albertel  767:     my ($classlist, undef, $fullname) = &getclasslist($getsec,'1');
1.45      ng        768:     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
1.110     ng        769: 	'<table border="0"><tr bgcolor="#e6ffff">';
                    770:     my $loop = 0;
                    771:     while ($loop < 2) {
1.126     ng        772: 	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
1.250     albertel  773: 	    '<td>'.&nameUserString('header').'&nbsp;Section/Group</td>';
1.301     albertel  774: 	if ($env{'form.showgrading'} eq 'yes' 
                    775: 	    && $submitonly ne 'queued'
                    776: 	    && $submitonly ne 'all') {
1.110     ng        777: 	    foreach (sort(@$partlist)) {
1.324     albertel  778: 		my $display_part=&get_display_part((split(/_/))[0],$symb);
1.207     albertel  779: 		$gradeTable.='<td><b>&nbsp;Part: '.$display_part.
                    780: 		    ' Status&nbsp;</b></td>';
1.110     ng        781: 	    }
1.301     albertel  782: 	} elsif ($submitonly eq 'queued') {
                    783: 	    $gradeTable.='<td><b>&nbsp;'.&mt('Queue Status').'&nbsp;</b></td>';
1.110     ng        784: 	}
                    785: 	$loop++;
1.126     ng        786: #	$gradeTable.='<td></td>' if ($loop%2 ==1);
1.41      ng        787:     }
1.45      ng        788:     $gradeTable.='</tr>'."\n";
1.41      ng        789: 
1.45      ng        790:     my $ctr = 0;
1.294     albertel  791:     foreach my $student (sort 
                    792: 			 {
                    793: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                    794: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                    795: 			     }
                    796: 			     return $a cmp $b;
                    797: 			 }
                    798: 			 (keys(%$fullname))) {
1.41      ng        799: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel  800: 
1.110     ng        801: 	my %status = ();
1.301     albertel  802: 
                    803: 	if ($submitonly eq 'queued') {
                    804: 	    my %queue_status = 
                    805: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                    806: 							$udom,$uname);
                    807: 	    next if (!defined($queue_status{'gradingqueue'}));
                    808: 	    $status{'gradingqueue'} = $queue_status{'gradingqueue'};
                    809: 	}
                    810: 
                    811: 	if ($env{'form.showgrading'} eq 'yes' 
                    812: 	    && $submitonly ne 'queued'
                    813: 	    && $submitonly ne 'all') {
1.324     albertel  814: 	    (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel  815: 	    my $submitted = 0;
1.164     albertel  816: 	    my $graded = 0;
1.248     albertel  817: 	    my $incorrect = 0;
1.110     ng        818: 	    foreach (keys(%status)) {
1.145     albertel  819: 		$submitted = 1 if ($status{$_} ne 'nothing');
1.248     albertel  820: 		$graded = 1 if ($status{$_} =~ /^ungraded/);
                    821: 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
                    822: 		
1.110     ng        823: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                    824: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
1.145     albertel  825: 		    $submitted = 0;
1.150     albertel  826: 		    my ($part)=split(/\./,$partid);
1.110     ng        827: 		    $gradeTable.='<input type="hidden" name="'.
1.150     albertel  828: 			$student.':'.$part.':submitted_by" value="'.
1.110     ng        829: 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
                    830: 		}
1.41      ng        831: 	    }
1.248     albertel  832: 	    
1.156     albertel  833: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                    834: 				     $submitonly eq 'incorrect' ||
                    835: 				     $submitonly eq 'graded'));
1.248     albertel  836: 	    next if (!$graded && ($submitonly eq 'graded'));
                    837: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng        838: 	}
1.34      ng        839: 
1.45      ng        840: 	$ctr++;
1.249     albertel  841: 	my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()];
                    842: 
1.104     albertel  843: 	if ( $perm{'vgr'} eq 'F' ) {
1.110     ng        844: 	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
1.126     ng        845: 	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
1.249     albertel  846:                '<td align="center"><label><input type=checkbox name="stuinfo" value="'.
                    847:                $student.':'.$$fullname{$student}.':::SECTION'.$section.
                    848: 	       ')&nbsp;" />&nbsp;&nbsp;</label></td>'."\n".'<td>'.
                    849: 	       &nameUserString(undef,$$fullname{$student},$uname,$udom).
                    850: 	       '&nbsp;'.$section.'</td>'."\n";
1.110     ng        851: 
1.257     albertel  852: 	    if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
1.110     ng        853: 		foreach (sort keys(%status)) {
                    854: 		    next if (/^resource.*?submitted_by$/);
1.276     albertel  855: 		    $gradeTable.='<td align="center">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
1.110     ng        856: 		}
1.41      ng        857: 	    }
1.126     ng        858: #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
1.110     ng        859: 	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
1.41      ng        860: 	}
                    861:     }
1.110     ng        862:     if ($ctr%2 ==1) {
1.126     ng        863: 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
1.301     albertel  864: 	    if ($env{'form.showgrading'} eq 'yes' 
                    865: 		&& $submitonly ne 'queued'
                    866: 		&& $submitonly ne 'all') {
1.110     ng        867: 		foreach (@$partlist) {
                    868: 		    $gradeTable.='<td>&nbsp;</td>';
                    869: 		}
1.301     albertel  870: 	    } elsif ($submitonly eq 'queued') {
                    871: 		$gradeTable.='<td>&nbsp;</td>';
1.110     ng        872: 	    }
                    873: 	$gradeTable.='</tr>';
                    874:     }
                    875: 
1.249     albertel  876:     $gradeTable.='</table></td></tr></table>'."\n".
1.45      ng        877: 	'<input type="button" '.
                    878: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
1.126     ng        879: 	'value="Next->" /></form>'."\n";
1.45      ng        880:     if ($ctr == 0) {
1.96      albertel  881: 	my $num_students=(scalar(keys(%$fullname)));
                    882: 	if ($num_students eq 0) {
1.398     albertel  883: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">There are no students currently enrolled.</span>';
1.96      albertel  884: 	} else {
1.171     albertel  885: 	    my $submissions='submissions';
                    886: 	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
                    887: 	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
1.301     albertel  888: 	    if ($submitonly eq 'queued'   ) { $submissions = 'queued submissions'; }
1.398     albertel  889: 	    $gradeTable='<br />&nbsp;<span class="LC_warning">'.
1.171     albertel  890: 		'No '.$submissions.' found for this resource for any students. ('.$num_students.
1.398     albertel  891: 		' students checked for '.$submissions.')</span><br />';
1.96      albertel  892: 	}
1.46      ng        893:     } elsif ($ctr == 1) {
                    894: 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
1.45      ng        895:     }
1.324     albertel  896:     $gradeTable.=&show_grading_menu_form($symb);
1.45      ng        897:     $request->print($gradeTable);
1.44      ng        898:     return '';
1.10      ng        899: }
                    900: 
1.44      ng        901: #---- Called from the listStudents routine
1.249     albertel  902: 
                    903: sub check_script {
                    904:     my ($form, $type)=@_;
                    905:     my $chkallscript='<script type="text/javascript">
                    906:     function checkall() {
                    907:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                    908:             ele = document.forms.'.$form.'.elements[i];
                    909:             if (ele.name == "'.$type.'") {
                    910:             document.forms.'.$form.'.elements[i].checked=true;
                    911:                                        }
                    912:         }
                    913:     }
                    914: 
                    915:     function checksec() {
                    916:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                    917:             ele = document.forms.'.$form.'.elements[i];
                    918:            string = document.forms.'.$form.'.chksec.value;
                    919:            if
                    920:           (ele.value.indexOf(":::SECTION"+string)>0) {
                    921:               document.forms.'.$form.'.elements[i].checked=true;
                    922:             }
                    923:         }
                    924:     }
                    925: 
                    926: 
                    927:     function uncheckall() {
                    928:         for (i=0; i<document.forms.'.$form.'.elements.length; i++) {
                    929:             ele = document.forms.'.$form.'.elements[i];
                    930:             if (ele.name == "'.$type.'") {
                    931:             document.forms.'.$form.'.elements[i].checked=false;
                    932:                                        }
                    933:         }
                    934:     }
                    935: 
                    936: </script>'."\n";
                    937:     return $chkallscript;
                    938: }
                    939: 
                    940: sub check_buttons {
                    941:     my $buttons.='<input type="button" onclick="checkall()" value="Check All" />';
                    942:     $buttons.='<input type="button" onclick="uncheckall()" value="Uncheck All" />&nbsp;';
                    943:     $buttons.='<input type="button" onclick="checksec()" value="Check Section/Group" />';
                    944:     $buttons.='<input type="text" size="5" name="chksec" />&nbsp;';
                    945:     return $buttons;
                    946: }
                    947: 
1.44      ng        948: #     Displays the submissions for one student or a group of students
1.34      ng        949: sub processGroup {
1.41      ng        950:     my ($request)  = shift;
                    951:     my $ctr        = 0;
1.155     albertel  952:     my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.41      ng        953:     my $total      = scalar(@stuchecked)-1;
1.45      ng        954: 
1.396     banghart  955:     foreach my $student (@stuchecked) {
                    956: 	my ($uname,$udom,$fullname) = split(/:/,$student);
1.257     albertel  957: 	$env{'form.student'}        = $uname;
                    958: 	$env{'form.userdom'}        = $udom;
                    959: 	$env{'form.fullname'}       = $fullname;
1.41      ng        960: 	&submission($request,$ctr,$total);
                    961: 	$ctr++;
                    962:     }
                    963:     return '';
1.35      ng        964: }
1.34      ng        965: 
1.44      ng        966: #------------------------------------------------------------------------------------
                    967: #
                    968: #-------------------------- Next few routines handles grading by student, essentially
                    969: #                           handles essay response type problem/part
                    970: #
                    971: #--- Javascript to handle the submission page functionality ---
                    972: sub sub_page_js {
                    973:     my $request = shift;
                    974:     $request->print(<<SUBJAVASCRIPT);
                    975: <script type="text/javascript" language="javascript">
1.71      ng        976:     function updateRadio(formname,id,weight) {
1.125     ng        977: 	var gradeBox = formname["GD_BOX"+id];
                    978: 	var radioButton = formname["RADVAL"+id];
                    979: 	var oldpts = formname["oldpts"+id].value;
1.72      ng        980: 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
1.71      ng        981: 	gradeBox.value = pts;
                    982: 	var resetbox = false;
                    983: 	if (isNaN(pts) || pts < 0) {
                    984: 	    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
                    985: 	    for (var i=0; i<radioButton.length; i++) {
                    986: 		if (radioButton[i].checked) {
                    987: 		    gradeBox.value = i;
                    988: 		    resetbox = true;
                    989: 		}
                    990: 	    }
                    991: 	    if (!resetbox) {
                    992: 		formtextbox.value = "";
                    993: 	    }
                    994: 	    return;
1.44      ng        995: 	}
1.71      ng        996: 
                    997: 	if (pts > weight) {
                    998: 	    var resp = confirm("You entered a value ("+pts+
                    999: 			       ") greater than the weight for the part. Accept?");
                   1000: 	    if (resp == false) {
1.125     ng       1001: 		gradeBox.value = oldpts;
1.71      ng       1002: 		return;
                   1003: 	    }
1.44      ng       1004: 	}
1.13      albertel 1005: 
1.71      ng       1006: 	for (var i=0; i<radioButton.length; i++) {
                   1007: 	    radioButton[i].checked=false;
                   1008: 	    if (pts == i && pts != "") {
                   1009: 		radioButton[i].checked=true;
                   1010: 	    }
                   1011: 	}
                   1012: 	updateSelect(formname,id);
1.125     ng       1013: 	formname["stores"+id].value = "0";
1.41      ng       1014:     }
1.5       albertel 1015: 
1.72      ng       1016:     function writeBox(formname,id,pts) {
1.125     ng       1017: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1018: 	if (checkSolved(formname,id) == 'update') {
                   1019: 	    gradeBox.value = pts;
                   1020: 	} else {
1.125     ng       1021: 	    var oldpts = formname["oldpts"+id].value;
1.72      ng       1022: 	    gradeBox.value = oldpts;
1.125     ng       1023: 	    var radioButton = formname["RADVAL"+id];
1.71      ng       1024: 	    for (var i=0; i<radioButton.length; i++) {
                   1025: 		radioButton[i].checked=false;
1.72      ng       1026: 		if (i == oldpts) {
1.71      ng       1027: 		    radioButton[i].checked=true;
                   1028: 		}
                   1029: 	    }
1.41      ng       1030: 	}
1.125     ng       1031: 	formname["stores"+id].value = "0";
1.71      ng       1032: 	updateSelect(formname,id);
                   1033: 	return;
1.41      ng       1034:     }
1.44      ng       1035: 
1.71      ng       1036:     function clearRadBox(formname,id) {
                   1037: 	if (checkSolved(formname,id) == 'noupdate') {
                   1038: 	    updateSelect(formname,id);
                   1039: 	    return;
                   1040: 	}
1.125     ng       1041: 	gradeSelect = formname["GD_SEL"+id];
1.71      ng       1042: 	for (var i=0; i<gradeSelect.length; i++) {
                   1043: 	    if (gradeSelect[i].selected) {
                   1044: 		var selectx=i;
                   1045: 	    }
                   1046: 	}
1.125     ng       1047: 	var stores = formname["stores"+id];
1.71      ng       1048: 	if (selectx == stores.value) { return };
1.125     ng       1049: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng       1050: 	gradeBox.value = "";
1.125     ng       1051: 	var radioButton = formname["RADVAL"+id];
1.71      ng       1052: 	for (var i=0; i<radioButton.length; i++) {
                   1053: 	    radioButton[i].checked=false;
                   1054: 	}
                   1055: 	stores.value = selectx;
                   1056:     }
1.5       albertel 1057: 
1.71      ng       1058:     function checkSolved(formname,id) {
1.125     ng       1059: 	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
1.118     ng       1060: 	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
                   1061: 	    if (!reply) {return "noupdate";}
1.120     ng       1062: 	    formname.overRideScore.value = 'yes';
1.41      ng       1063: 	}
1.71      ng       1064: 	return "update";
1.13      albertel 1065:     }
1.71      ng       1066: 
                   1067:     function updateSelect(formname,id) {
1.125     ng       1068: 	formname["GD_SEL"+id][0].selected = true;
1.71      ng       1069: 	return;
1.41      ng       1070:     }
1.33      ng       1071: 
1.121     ng       1072: //=========== Check that a point is assigned for all the parts  ============
1.71      ng       1073:     function checksubmit(formname,val,total,parttot) {
1.121     ng       1074: 	formname.gradeOpt.value = val;
1.71      ng       1075: 	if (val == "Save & Next") {
                   1076: 	    for (i=0;i<=total;i++) {
                   1077: 		for (j=0;j<parttot;j++) {
1.125     ng       1078: 		    var partid = formname["partid"+i+"_"+j].value;
1.127     ng       1079: 		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1080: 			var points = formname["GD_BOX"+i+"_"+partid].value;
1.71      ng       1081: 			if (points == "") {
1.125     ng       1082: 			    var name = formname["name"+i].value;
1.129     ng       1083: 			    var studentID = (name != '' ? name : formname["unamedom"+i].value);
                   1084: 			    var resp = confirm("You did not assign a score for "+studentID+
                   1085: 					       ", part "+partid+". Continue?");
1.71      ng       1086: 			    if (resp == false) {
1.125     ng       1087: 				formname["GD_BOX"+i+"_"+partid].focus();
1.71      ng       1088: 				return false;
                   1089: 			    }
                   1090: 			}
                   1091: 		    }
                   1092: 		    
                   1093: 		}
                   1094: 	    }
                   1095: 	    
                   1096: 	}
1.121     ng       1097: 	if (val == "Grade Student") {
                   1098: 	    formname.showgrading.value = "yes";
                   1099: 	    if (formname.Status.value == "") {
                   1100: 		formname.Status.value = "Active";
                   1101: 	    }
                   1102: 	    formname.studentNo.value = total;
                   1103: 	}
1.120     ng       1104: 	formname.submit();
                   1105:     }
                   1106: 
1.71      ng       1107: //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
                   1108:     function checkSubmitPage(formname,total) {
                   1109: 	noscore = new Array(100);
                   1110: 	var ptr = 0;
                   1111: 	for (i=1;i<total;i++) {
1.125     ng       1112: 	    var partid = formname["q_"+i].value;
1.127     ng       1113: 	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng       1114: 		var points = formname["GD_BOX"+i+"_"+partid].value;
                   1115: 		var status = formname["solved"+i+"_"+partid].value;
1.71      ng       1116: 		if (points == "" && status != "correct_by_student") {
                   1117: 		    noscore[ptr] = i;
                   1118: 		    ptr++;
                   1119: 		}
                   1120: 	    }
                   1121: 	}
                   1122: 	if (ptr != 0) {
                   1123: 	    var sense = ptr == 1 ? ": " : "s: ";
                   1124: 	    var prolist = "";
                   1125: 	    if (ptr == 1) {
                   1126: 		prolist = noscore[0];
                   1127: 	    } else {
                   1128: 		var i = 0;
                   1129: 		while (i < ptr-1) {
                   1130: 		    prolist += noscore[i]+", ";
                   1131: 		    i++;
                   1132: 		}
                   1133: 		prolist += "and "+noscore[i];
                   1134: 	    }
                   1135: 	    var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
                   1136: 	    if (resp == false) {
                   1137: 		return false;
                   1138: 	    }
                   1139: 	}
1.45      ng       1140: 
1.71      ng       1141: 	formname.submit();
                   1142:     }
                   1143: </script>
                   1144: SUBJAVASCRIPT
                   1145: }
1.45      ng       1146: 
1.71      ng       1147: #--- javascript for essay type problem --
                   1148: sub sub_page_kw_js {
                   1149:     my $request = shift;
1.80      ng       1150:     my $iconpath = $request->dir_config('lonIconsURL');
1.118     ng       1151:     &commonJSfunctions($request);
1.350     albertel 1152: 
1.351     albertel 1153:     my $inner_js_msg_central=<<INNERJS;
1.350     albertel 1154:     <script text="text/javascript">
                   1155:     function checkInput() {
                   1156:       opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);
                   1157:       var nmsg   = opener.document.SCORE.savemsgN.value;
                   1158:       var usrctr = document.msgcenter.usrctr.value;
                   1159:       var newval = opener.document.SCORE["newmsg"+usrctr];
                   1160:       newval.value = opener.checkEntities(document.msgcenter.newmsg.value);
                   1161: 
                   1162:       var msgchk = "";
                   1163:       if (document.msgcenter.subchk.checked) {
                   1164:          msgchk = "msgsub,";
                   1165:       }
                   1166:       var includemsg = 0;
                   1167:       for (var i=1; i<=nmsg; i++) {
                   1168:           var opnmsg = opener.document.SCORE["savemsg"+i];
                   1169:           var frmmsg = document.msgcenter["msg"+i];
                   1170:           opnmsg.value = opener.checkEntities(frmmsg.value);
                   1171:           var showflg = opener.document.SCORE["shownOnce"+i];
                   1172:           showflg.value = "1";
                   1173:           var chkbox = document.msgcenter["msgn"+i];
                   1174:           if (chkbox.checked) {
                   1175:              msgchk += "savemsg"+i+",";
                   1176:              includemsg = 1;
                   1177:           }
                   1178:       }
                   1179:       if (document.msgcenter.newmsgchk.checked) {
                   1180:          msgchk += "newmsg"+usrctr;
                   1181:          includemsg = 1;
                   1182:       }
                   1183:       imgformname = opener.document.SCORE["mailicon"+usrctr];
                   1184:       imgformname.src = "$iconpath/"+((includemsg) ? "mailto.gif" : "mailbkgrd.gif");
                   1185:       var includemsg = opener.document.SCORE["includemsg"+usrctr];
                   1186:       includemsg.value = msgchk;
                   1187: 
                   1188:       self.close()
                   1189: 
                   1190:     }
                   1191:     </script>
                   1192: INNERJS
                   1193: 
1.351     albertel 1194:     my $inner_js_highlight_central=<<INNERJS;
                   1195:  <script type="text/javascript">
                   1196:     function updateChoice(flag) {
                   1197:       opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);
                   1198:       opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);
                   1199:       opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);
                   1200:       opener.document.SCORE.refresh.value = "on";
                   1201:       if (opener.document.SCORE.keywords.value!=""){
                   1202:          opener.document.SCORE.submit();
                   1203:       }
                   1204:       self.close()
                   1205:     }
                   1206: </script>
                   1207: INNERJS
                   1208: 
                   1209:     my $start_page_msg_central = 
                   1210:         &Apache::loncommon::start_page('Message Central',$inner_js_msg_central,
                   1211: 				       {'js_ready'  => 1,
                   1212: 					'only_body' => 1,
                   1213: 					'bgcolor'   =>'#FFFFFF',});
                   1214:     my $end_page_msg_central = 
                   1215: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1216: 
                   1217: 
                   1218:     my $start_page_highlight_central = 
                   1219:         &Apache::loncommon::start_page('Highlight Central',
                   1220: 				       $inner_js_highlight_central,
1.350     albertel 1221: 				       {'js_ready'  => 1,
                   1222: 					'only_body' => 1,
                   1223: 					'bgcolor'   =>'#FFFFFF',});
1.351     albertel 1224:     my $end_page_highlight_central = 
1.350     albertel 1225: 	&Apache::loncommon::end_page({'js_ready' => 1});
                   1226: 
1.219     www      1227:     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.236     albertel 1228:     $docopen=~s/^document\.//;
1.71      ng       1229:     $request->print(<<SUBJAVASCRIPT);
                   1230: <script type="text/javascript" language="javascript">
1.45      ng       1231: 
1.44      ng       1232: //===================== Show list of keywords ====================
1.122     ng       1233:   function keywords(formname) {
                   1234:     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
1.44      ng       1235:     if (nret==null) return;
1.122     ng       1236:     formname.keywords.value = nret;
1.44      ng       1237: 
1.122     ng       1238:     if (formname.keywords.value != "") {
1.128     ng       1239: 	formname.refresh.value = "on";
1.122     ng       1240: 	formname.submit();
1.44      ng       1241:     }
                   1242:     return;
                   1243:   }
                   1244: 
                   1245: //===================== Script to view submitted by ==================
                   1246:   function viewSubmitter(submitter) {
                   1247:     document.SCORE.refresh.value = "on";
                   1248:     document.SCORE.NCT.value = "1";
                   1249:     document.SCORE.unamedom0.value = submitter;
                   1250:     document.SCORE.submit();
                   1251:     return;
                   1252:   }
                   1253: 
                   1254: //===================== Script to add keyword(s) ==================
                   1255:   function getSel() {
                   1256:     if (document.getSelection) txt = document.getSelection();
                   1257:     else if (document.selection) txt = document.selection.createRange().text;
                   1258:     else return;
                   1259:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
                   1260:     if (cleantxt=="") {
1.46      ng       1261: 	alert("Please select a word or group of words from document and then click this link.");
1.44      ng       1262: 	return;
                   1263:     }
                   1264:     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
                   1265:     if (nret==null) return;
1.127     ng       1266:     document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
1.44      ng       1267:     if (document.SCORE.keywords.value != "") {
1.127     ng       1268: 	document.SCORE.refresh.value = "on";
1.44      ng       1269: 	document.SCORE.submit();
                   1270:     }
                   1271:     return;
                   1272:   }
                   1273: 
                   1274: //====================== Script for composing message ==============
1.80      ng       1275:    // preload images
                   1276:    img1 = new Image();
                   1277:    img1.src = "$iconpath/mailbkgrd.gif";
                   1278:    img2 = new Image();
                   1279:    img2.src = "$iconpath/mailto.gif";
                   1280: 
1.44      ng       1281:   function msgCenter(msgform,usrctr,fullname) {
                   1282:     var Nmsg  = msgform.savemsgN.value;
                   1283:     savedMsgHeader(Nmsg,usrctr,fullname);
                   1284:     var subject = msgform.msgsub.value;
1.127     ng       1285:     var msgchk = document.SCORE["includemsg"+usrctr].value;
1.44      ng       1286:     re = /msgsub/;
                   1287:     var shwsel = "";
                   1288:     if (re.test(msgchk)) { shwsel = "checked" }
1.123     ng       1289:     subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
                   1290:     displaySubject(checkEntities(subject),shwsel);
1.44      ng       1291:     for (var i=1; i<=Nmsg; i++) {
1.123     ng       1292: 	var testmsg = "savemsg"+i+",";
                   1293: 	re = new RegExp(testmsg,"g");
1.44      ng       1294: 	shwsel = "";
                   1295: 	if (re.test(msgchk)) { shwsel = "checked" }
1.125     ng       1296: 	var message = document.SCORE["savemsg"+i].value;
1.126     ng       1297: 	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
1.123     ng       1298: 	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
                   1299: 	                                   //any &lt; is already converted to <, etc. However, only once!!
1.44      ng       1300:     }
1.125     ng       1301:     newmsg = document.SCORE["newmsg"+usrctr].value;
1.44      ng       1302:     shwsel = "";
                   1303:     re = /newmsg/;
                   1304:     if (re.test(msgchk)) { shwsel = "checked" }
                   1305:     newMsg(newmsg,shwsel);
                   1306:     msgTail(); 
                   1307:     return;
                   1308:   }
                   1309: 
1.123     ng       1310:   function checkEntities(strx) {
                   1311:     if (strx.length == 0) return strx;
                   1312:     var orgStr = ["&", "<", ">", '"']; 
                   1313:     var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
                   1314:     var counter = 0;
                   1315:     while (counter < 4) {
                   1316: 	strx = strReplace(strx,orgStr[counter],newStr[counter]);
                   1317: 	counter++;
                   1318:     }
                   1319:     return strx;
                   1320:   }
                   1321: 
                   1322:   function strReplace(strx, orgStr, newStr) {
                   1323:     return strx.split(orgStr).join(newStr);
                   1324:   }
                   1325: 
1.44      ng       1326:   function savedMsgHeader(Nmsg,usrctr,fullname) {
1.76      ng       1327:     var height = 70*Nmsg+250;
1.44      ng       1328:     var scrollbar = "no";
                   1329:     if (height > 600) {
                   1330: 	height = 600;
                   1331: 	scrollbar = "yes";
                   1332:     }
1.118     ng       1333:     var xpos = (screen.width-600)/2;
                   1334:     xpos = (xpos < 0) ? '0' : xpos;
                   1335:     var ypos = (screen.height-height)/2-30;
                   1336:     ypos = (ypos < 0) ? '0' : ypos;
                   1337: 
1.206     albertel 1338:     pWin = window.open('', 'MessageCenter', 'resizable=yes,toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
1.76      ng       1339:     pWin.focus();
                   1340:     pDoc = pWin.document;
1.219     www      1341:     pDoc.$docopen;
1.351     albertel 1342:     pDoc.write('$start_page_msg_central');
1.76      ng       1343: 
                   1344:     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
                   1345:     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
1.398     albertel 1346:     pDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Compose Message for \"+fullname+\"</span></h3><br /><br />");
1.76      ng       1347: 
                   1348:     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1349:     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                   1350:     pDoc.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
1.44      ng       1351: }
                   1352:     function displaySubject(msg,shwsel) {
1.76      ng       1353:     pDoc = pWin.document;
                   1354:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1355:     pDoc.write("<td>Subject</td>");
                   1356:     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1357:     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
1.44      ng       1358: }
                   1359: 
1.72      ng       1360:   function displaySavedMsg(ctr,msg,shwsel) {
1.76      ng       1361:     pDoc = pWin.document;
                   1362:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1363:     pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
                   1364:     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1365:     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"</textarea></td></tr>");
1.44      ng       1366: }
                   1367: 
                   1368:   function newMsg(newmsg,shwsel) {
1.76      ng       1369:     pDoc = pWin.document;
                   1370:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1371:     pDoc.write("<td align=\\"center\\">New</td>");
                   1372:     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1373:     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"</textarea></td></tr>");
1.44      ng       1374: }
                   1375: 
                   1376:   function msgTail() {
1.76      ng       1377:     pDoc = pWin.document;
                   1378:     pDoc.write("</table>");
                   1379:     pDoc.write("</td></tr></table>&nbsp;");
                   1380:     pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
1.326     albertel 1381:     pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
1.76      ng       1382:     pDoc.write("</form>");
1.351     albertel 1383:     pDoc.write('$end_page_msg_central');
1.128     ng       1384:     pDoc.close();
1.44      ng       1385: }
                   1386: 
                   1387: //====================== Script for keyword highlight options ==============
                   1388:   function kwhighlight() {
                   1389:     var kwclr    = document.SCORE.kwclr.value;
                   1390:     var kwsize   = document.SCORE.kwsize.value;
                   1391:     var kwstyle  = document.SCORE.kwstyle.value;
                   1392:     var redsel = "";
                   1393:     var grnsel = "";
                   1394:     var blusel = "";
                   1395:     if (kwclr=="red")   {var redsel="checked"};
                   1396:     if (kwclr=="green") {var grnsel="checked"};
                   1397:     if (kwclr=="blue")  {var blusel="checked"};
                   1398:     var sznsel = "";
                   1399:     var sz1sel = "";
                   1400:     var sz2sel = "";
                   1401:     if (kwsize=="0")  {var sznsel="checked"};
                   1402:     if (kwsize=="+1") {var sz1sel="checked"};
                   1403:     if (kwsize=="+2") {var sz2sel="checked"};
                   1404:     var synsel = "";
                   1405:     var syisel = "";
                   1406:     var sybsel = "";
                   1407:     if (kwstyle=="")    {var synsel="checked"};
                   1408:     if (kwstyle=="<i>") {var syisel="checked"};
                   1409:     if (kwstyle=="<b>") {var sybsel="checked"};
                   1410:     highlightCentral();
                   1411:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
                   1412:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
                   1413:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
                   1414:     highlightend();
                   1415:     return;
                   1416:   }
                   1417: 
                   1418:   function highlightCentral() {
1.76      ng       1419: //    if (window.hwdWin) window.hwdWin.close();
1.118     ng       1420:     var xpos = (screen.width-400)/2;
                   1421:     xpos = (xpos < 0) ? '0' : xpos;
                   1422:     var ypos = (screen.height-330)/2-30;
                   1423:     ypos = (ypos < 0) ? '0' : ypos;
                   1424: 
1.206     albertel 1425:     hwdWin = window.open('', 'KeywordHighlightCentral', 'resizeable=yes,toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
1.76      ng       1426:     hwdWin.focus();
                   1427:     var hDoc = hwdWin.document;
1.219     www      1428:     hDoc.$docopen;
1.351     albertel 1429:     hDoc.write('$start_page_highlight_central');
1.76      ng       1430:     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
1.398     albertel 1431:     hDoc.write("<h3><span class=\\"LC_info\\">&nbsp;Keyword Highlight Options</span></h3><br /><br />");
1.76      ng       1432: 
                   1433:     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1434:     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                   1435:     hDoc.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
1.44      ng       1436:   }
                   1437: 
                   1438:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
1.76      ng       1439:     var hDoc = hwdWin.document;
                   1440:     hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1441:     hDoc.write("<td align=\\"left\\">");
                   1442:     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
                   1443:     hDoc.write("<td align=\\"left\\">");
                   1444:     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
                   1445:     hDoc.write("<td align=\\"left\\">");
                   1446:     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
                   1447:     hDoc.write("</tr>");
1.44      ng       1448:   }
                   1449: 
                   1450:   function highlightend() { 
1.76      ng       1451:     var hDoc = hwdWin.document;
                   1452:     hDoc.write("</table>");
                   1453:     hDoc.write("</td></tr></table>&nbsp;");
                   1454:     hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
1.326     albertel 1455:     hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br /><br />");
1.76      ng       1456:     hDoc.write("</form>");
1.351     albertel 1457:     hDoc.write('$end_page_highlight_central');
1.128     ng       1458:     hDoc.close();
1.44      ng       1459:   }
                   1460: 
                   1461: </script>
                   1462: SUBJAVASCRIPT
                   1463: }
                   1464: 
1.349     albertel 1465: sub get_increment {
1.348     bowersj2 1466:     my $increment = $env{'form.increment'};
                   1467:     if ($increment != 1 && $increment != .5 && $increment != .25 &&
                   1468:         $increment != .1) {
                   1469:         $increment = 1;
                   1470:     }
                   1471:     return $increment;
                   1472: }
                   1473: 
1.71      ng       1474: #--- displays the grading box, used in essay type problem and grading by page/sequence
                   1475: sub gradeBox {
1.322     albertel 1476:     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
1.381     albertel 1477:     my $checkIcon = '<img alt="'.&mt('Check Mark').
                   1478: 	'" src="'.$request->dir_config('lonIconsURL').
1.71      ng       1479: 	'/check.gif" height="16" border="0" />';
                   1480:     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
                   1481:     my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 
1.398     albertel 1482: 		  '<span class="LC_info">problem weight assigned by computer</span>');
1.71      ng       1483:     $wgt       = ($wgt > 0 ? $wgt : '1');
                   1484:     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
1.320     albertel 1485: 		  '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt));
1.71      ng       1486:     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
1.324     albertel 1487:     my $display_part=&get_display_part($partid,$symb);
1.270     albertel 1488:     my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   1489: 				       [$partid]);
                   1490:     my $aggtries = $$record{'resource.'.$partid.'.tries'};
1.269     raeburn  1491:     if ($last_resets{$partid}) {
                   1492:         $aggtries = &get_num_tries($record,$last_resets{$partid},$partid);
                   1493:     }
1.71      ng       1494:     $result.='<table border="0"><tr><td>'.
1.207     albertel 1495: 	'<b>Part: </b>'.$display_part.' <b>Points: </b></td><td>'."\n";
1.71      ng       1496:     my $ctr = 0;
1.348     bowersj2 1497:     my $thisweight = 0;
1.349     albertel 1498:     my $increment = &get_increment();
1.71      ng       1499:     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
1.348     bowersj2 1500:     while ($thisweight<=$wgt) {
1.381     albertel 1501: 	$result.= '<td><span style="white-space: nowrap;"><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
1.71      ng       1502: 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
1.348     bowersj2 1503: 	    $thisweight.')" value="'.$thisweight.'" '.
1.401     albertel 1504: 	    ($score eq $thisweight ? 'checked="checked"':'').' /> '.$thisweight."</label></span></td>\n";
1.71      ng       1505: 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
1.348     bowersj2 1506:         $thisweight += $increment;
1.71      ng       1507: 	$ctr++;
                   1508:     }
                   1509:     $result.='</tr></table>';
                   1510:     $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
                   1511:     $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
                   1512: 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
                   1513: 	'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
                   1514: 	$wgt.')" /></td>'."\n";
                   1515:     $result.='<td>/'.$wgt.' '.$wgtmsg.
                   1516: 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
                   1517: 	' </td><td>'."\n";
                   1518:     $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
                   1519: 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
                   1520:     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
1.384     albertel 1521: 	$result.='<option></option>'.
1.401     albertel 1522: 	    '<option selected="selected">excused</option>';
1.71      ng       1523:     } else {
1.401     albertel 1524: 	$result.='<option selected="selected"></option>'.
1.125     ng       1525: 	    '<option>excused</option>';
1.71      ng       1526:     }
1.125     ng       1527:     $result.='<option>reset status</option></select>'."\n";
1.381     albertel 1528:     $result.="&nbsp;&nbsp;\n";
1.71      ng       1529:     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
                   1530: 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
                   1531: 	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
1.269     raeburn  1532: 	$$record{'resource.'.$partid.'.solved'}.'" />'."\n".
                   1533:         '<input type="hidden" name="totaltries'.$counter.'_'.$partid.'" value="'.
                   1534:         $$record{'resource.'.$partid.'.tries'}.'" />'."\n".
                   1535:         '<input type="hidden" name="aggtries'.$counter.'_'.$partid.'" value="'.
                   1536:         $aggtries.'" />'."\n";
1.71      ng       1537:     $result.='</td></tr></table>'."\n";
1.323     banghart 1538:     $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record);
1.318     banghart 1539:     return $result;
                   1540: }
1.322     albertel 1541: 
                   1542: sub handback_box {
1.323     banghart 1543:     my ($symb,$uname,$udom,$counter,$partid,$record) = @_;
1.324     albertel 1544:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.323     banghart 1545:     my (@respids);
1.375     albertel 1546:      my @part_response_id = &flatten_responseType($responseType);
                   1547:     foreach my $part_response_id (@part_response_id) {
                   1548:     	my ($part,$resp) = @{ $part_response_id };
1.323     banghart 1549:         if ($part eq $partid) {
1.375     albertel 1550:             push(@respids,$resp);
1.323     banghart 1551:         }
                   1552:     }
1.318     banghart 1553:     my $result;
1.323     banghart 1554:     foreach my $respid (@respids) {
1.322     albertel 1555: 	my $prefix = $counter.'_'.$partid.'_'.$respid.'_';
                   1556: 	my $files=&get_submitted_files($udom,$uname,$partid,$respid,$record);
                   1557: 	next if (!@$files);
                   1558: 	my $file_counter = 1;
1.313     banghart 1559: 	foreach my $file (@$files) {
1.368     banghart 1560: 	    if ($file =~ /\/portfolio\//) {
                   1561:     	        my ($file_path, $file_disp) = ($file =~ m|(.+/)(.+)$|);
                   1562:     	        my ($name,$version,$ext) = &file_name_version_ext($file_disp);
                   1563:     	        $file_disp = "$name.$ext";
                   1564:     	        $file = $file_path.$file_disp;
                   1565:     	        $result.=&mt('Return commented version of [_1] to student.',
                   1566:     			 '<span class="LC_filename">'.$file_disp.'</span>');
                   1567:     	        $result.='<input type="file"   name="'.$prefix.'returndoc'.$file_counter.'" />'."\n";
                   1568:     	        $result.='<input type="hidden" name="'.$prefix.'origdoc'.$file_counter.'" value="'.$file.'" /><br />';
1.369     banghart 1569:     	        $result.='(File will be uploaded when you click on Save & Next below.)<br />';
1.368     banghart 1570:     	        $file_counter++;
                   1571: 	    }
1.322     albertel 1572: 	}
1.313     banghart 1573:     }
1.318     banghart 1574:     return $result;    
1.71      ng       1575: }
1.44      ng       1576: 
1.58      albertel 1577: sub show_problem {
1.382     albertel 1578:     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode,$form) = @_;
1.144     albertel 1579:     my $rendered;
1.382     albertel 1580:     my %form = ((ref($form) eq 'HASH')? %{$form} : ());
1.329     albertel 1581:     &Apache::lonxml::remember_problem_counter();
1.144     albertel 1582:     if ($mode eq 'both' or $mode eq 'text') {
                   1583: 	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
1.382     albertel 1584: 						       $env{'request.course.id'},
                   1585: 						       undef,\%form);
1.144     albertel 1586:     }
1.58      albertel 1587:     if ($removeform) {
                   1588: 	$rendered=~s|<form(.*?)>||g;
                   1589: 	$rendered=~s|</form>||g;
1.374     albertel 1590: 	$rendered=~s|(<input[^>]*name\s*=\s*"?)(\w+)("?)|$1would_have_been_$2$3|g;
1.58      albertel 1591:     }
1.144     albertel 1592:     my $companswer;
                   1593:     if ($mode eq 'both' or $mode eq 'answer') {
1.329     albertel 1594: 	&Apache::lonxml::restore_problem_counter();
1.382     albertel 1595: 	$companswer=
                   1596: 	    &Apache::loncommon::get_student_answers($symb,$uname,$udom,
                   1597: 						    $env{'request.course.id'},
                   1598: 						    %form);
1.144     albertel 1599:     }
1.58      albertel 1600:     if ($removeform) {
                   1601: 	$companswer=~s|<form(.*?)>||g;
                   1602: 	$companswer=~s|</form>||g;
1.144     albertel 1603: 	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
1.58      albertel 1604:     }
                   1605:     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.71      ng       1606:     $result.='<table border="0" width="100%">';
1.144     albertel 1607:     if ($viewon) {
                   1608: 	$result.='<tr><td bgcolor="#e6ffff"><b> ';
                   1609: 	if ($mode eq 'both' or $mode eq 'text') {
                   1610: 	    $result.='View of the problem - ';
                   1611: 	} else {
                   1612: 	    $result.='Correct answer: ';
                   1613: 	}
1.257     albertel 1614: 	$result.=$env{'form.fullname'}.'</b></td></tr>';
1.144     albertel 1615:     }
                   1616:     if ($mode eq 'both') {
                   1617: 	$result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
                   1618: 	$result.='<b>Correct answer:</b><br />'.$companswer;
                   1619:     } elsif ($mode eq 'text') {
                   1620: 	$result.='<tr><td bgcolor="#ffffff">'.$rendered;
                   1621:     } elsif ($mode eq 'answer') {
                   1622: 	$result.='<tr><td bgcolor="#ffffff">'.$companswer;
                   1623:     }
1.58      albertel 1624:     $result.='</td></tr></table>';
                   1625:     $result.='</td></tr></table><br />';
1.71      ng       1626:     return $result;
1.58      albertel 1627: }
1.397     albertel 1628: 
1.396     banghart 1629: sub files_exist {
                   1630:     my ($r, $symb) = @_;
                   1631:     my @students = &Apache::loncommon::get_env_multiple('form.stuinfo');
1.397     albertel 1632: 
1.396     banghart 1633:     foreach my $student (@students) {
                   1634:         my ($uname,$udom,$fullname) = split(/:/,$student);
1.397     albertel 1635:         my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   1636: 					      $udom,$uname);
1.396     banghart 1637:         my ($string,$timestamp)= &get_last_submission(\%record);
1.397     albertel 1638:         foreach my $submission (@$string) {
                   1639:             my ($partid,$respid) =
                   1640: 		($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/);
                   1641:             my $files=&get_submitted_files($udom,$uname,$partid,$respid,
                   1642: 					   \%record);
                   1643:             return 1 if (@$files);
1.396     banghart 1644:         }
                   1645:     }
1.397     albertel 1646:     return 0;
1.396     banghart 1647: }
1.397     albertel 1648: 
1.394     banghart 1649: sub download_all_link {
                   1650:     my ($r,$symb) = @_;
1.395     albertel 1651:     my $all_students = 
                   1652: 	join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo'));
                   1653: 
                   1654:     my $parts =
                   1655: 	join("\n",&Apache::loncommon::get_env_multiple('form.vPart'));
                   1656: 
1.394     banghart 1657:     my $identifier = &Apache::loncommon::get_cgi_id();
                   1658:     &Apache::lonnet::appenv('cgi.'.$identifier.'.students' => $all_students,
                   1659:                             'cgi.'.$identifier.'.symb' => $symb,
1.395     albertel 1660:                             'cgi.'.$identifier.'.parts' => $parts,);
                   1661:     $r->print('<a href="/cgi-bin/multidownload.pl?'.$identifier.'">'.
                   1662: 	      &mt('Download All Submitted Documents').'</a>');
1.394     banghart 1663:     return
                   1664: }
1.395     albertel 1665: 
1.44      ng       1666: # --------------------------- show submissions of a student, option to grade 
                   1667: sub submission {
                   1668:     my ($request,$counter,$total) = @_;
                   1669: 
1.257     albertel 1670:     my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
                   1671:     $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
                   1672:     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
                   1673:     $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq '';
1.41      ng       1674: 
1.324     albertel 1675:     my $symb = &get_symb($request); 
                   1676:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
1.104     albertel 1677: 
                   1678:     if (!&canview($usec)) {
1.398     albertel 1679: 	$request->print('<span class="LC_warning">Unable to view requested student.('.
                   1680: 			$uname.':'.$udom.' in section '.$usec.' in course id '.
                   1681: 			$env{'request.course.id'}.')</span>');
1.324     albertel 1682: 	$request->print(&show_grading_menu_form($symb));
1.104     albertel 1683: 	return;
                   1684:     }
                   1685: 
1.257     albertel 1686:     if (!$env{'form.lastSub'}) { $env{'form.lastSub'} = 'datesub'; }
                   1687:     if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; }
                   1688:     if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; }
                   1689:     my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.381     albertel 1690:     my $checkIcon = '<img alt="'.&mt('Check Mark').
                   1691: 	'" src="'.$request->dir_config('lonIconsURL').
1.122     ng       1692: 	'/check.gif" height="16" border="0" />';
1.41      ng       1693: 
                   1694:     # header info
                   1695:     if ($counter == 0) {
                   1696: 	&sub_page_js($request);
1.257     albertel 1697: 	&sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes');
                   1698: 	$env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? 
                   1699: 	    &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'};
1.397     albertel 1700: 	if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) {
1.396     banghart 1701: 	    &download_all_link($request, $symb);
                   1702: 	}
1.398     albertel 1703: 	$request->print('<h3>&nbsp;<span class="LC_info">Submission Record</span></h3>'."\n".
                   1704: 			'<h4>&nbsp;<b>Resource: </b>'.$env{'form.probTitle'}.'</h4>'."\n");
1.118     ng       1705: 
1.257     albertel 1706: 	if ($env{'form.handgrade'} eq 'no') {
1.118     ng       1707: 	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
                   1708: 		$checkIcon.' symbol.'."\n";
                   1709: 	    $request->print($checkMark);
                   1710: 	}
1.41      ng       1711: 
1.44      ng       1712: 	# option to display problem, only once else it cause problems 
                   1713:         # with the form later since the problem has a form.
1.257     albertel 1714: 	if ($env{'form.vProb'} eq 'yes' or $env{'form.vAns'} eq 'yes') {
1.144     albertel 1715: 	    my $mode;
1.257     albertel 1716: 	    if ($env{'form.vProb'} eq 'yes' && $env{'form.vAns'} eq 'yes') {
1.144     albertel 1717: 		$mode='both';
1.257     albertel 1718: 	    } elsif ($env{'form.vProb'} eq 'yes') {
1.144     albertel 1719: 		$mode='text';
1.257     albertel 1720: 	    } elsif ($env{'form.vAns'} eq 'yes') {
1.144     albertel 1721: 		$mode='answer';
                   1722: 	    }
1.329     albertel 1723: 	    &Apache::lonxml::clear_problem_counter();
1.144     albertel 1724: 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
1.41      ng       1725: 	}
                   1726: 	
1.44      ng       1727: 	# kwclr is the only variable that is guaranteed to be non blank 
                   1728:         # if this subroutine has been called once.
1.41      ng       1729: 	my %keyhash = ();
1.257     albertel 1730: 	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
1.41      ng       1731: 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
1.257     albertel 1732: 					     $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1733: 					     $env{'course.'.$env{'request.course.id'}.'.num'});
1.41      ng       1734: 
1.257     albertel 1735: 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
                   1736: 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                   1737: 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                   1738: 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                   1739: 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                   1740: 	    $env{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
                   1741: 		$keyhash{$symb.'_subject'} : $env{'form.probTitle'};
                   1742: 	    $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
1.41      ng       1743: 	}
1.257     albertel 1744: 	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
1.44      ng       1745: 
1.303     banghart 1746: 	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
1.41      ng       1747: 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
1.257     albertel 1748: 			'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
                   1749: 			'<input type="hidden" name="Status"     value="'.$env{'form.Status'}.'" />'."\n".
1.120     ng       1750: 			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
1.257     albertel 1751: 			'<input type="hidden" name="probTitle"  value="'.$env{'form.probTitle'}.'" />'."\n".
1.41      ng       1752: 			'<input type="hidden" name="refresh"    value="off" />'."\n".
1.120     ng       1753: 			'<input type="hidden" name="studentNo"  value="" />'."\n".
                   1754: 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
1.418     albertel 1755: 			'<input type="hidden" name="symb"       value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 1756: 			'<input type="hidden" name="showgrading" value="'.$env{'form.showgrading'}.'" />'."\n".
                   1757: 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
                   1758: 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
                   1759: 			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
1.326     albertel 1760: 			'<input type="hidden" name="section"    value="'.$env{'form.section'}.'" />'."\n".
                   1761: 			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
                   1762: 			'<input type="hidden" name="handgrade"  value="'.$env{'form.handgrade'}.'" />'."\n".
1.41      ng       1763: 			'<input type="hidden" name="NCT"'.
1.257     albertel 1764: 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
                   1765: 	if ($env{'form.handgrade'} eq 'yes') {
                   1766: 	    $request->print('<input type="hidden" name="keywords" value="'.$env{'form.keywords'}.'" />'."\n".
                   1767: 			    '<input type="hidden" name="kwclr"    value="'.$env{'form.kwclr'}.'" />'."\n".
                   1768: 			    '<input type="hidden" name="kwsize"   value="'.$env{'form.kwsize'}.'" />'."\n".
                   1769: 			    '<input type="hidden" name="kwstyle"  value="'.$env{'form.kwstyle'}.'" />'."\n".
                   1770: 			    '<input type="hidden" name="msgsub"   value="'.$env{'form.msgsub'}.'" />'."\n".
1.123     ng       1771: 			    '<input type="hidden" name="shownSub" value="0" />'."\n".
1.257     albertel 1772: 			    '<input type="hidden" name="savemsgN" value="'.$env{'form.savemsgN'}.'" />'."\n");
1.154     albertel 1773: 	    foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
                   1774: 		$request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
                   1775: 	    }
1.123     ng       1776: 	}
1.41      ng       1777: 	
                   1778: 	my ($cts,$prnmsg) = (1,'');
1.257     albertel 1779: 	while ($cts <= $env{'form.savemsgN'}) {
1.41      ng       1780: 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
1.123     ng       1781: 		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
1.257     albertel 1782: 		 &Apache::lonfeedback::clear_out_html($env{'form.savemsg'.$cts}) :
1.80      ng       1783: 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
1.123     ng       1784: 		'" />'."\n".
                   1785: 		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
1.41      ng       1786: 	    $cts++;
                   1787: 	}
                   1788: 	$request->print($prnmsg);
1.32      ng       1789: 
1.257     albertel 1790: 	if ($env{'form.handgrade'} eq 'yes' && $env{'form.showgrading'} eq 'yes') {
1.88      www      1791: #
                   1792: # Print out the keyword options line
                   1793: #
1.41      ng       1794: 	    $request->print(<<KEYWORDS);
1.38      ng       1795: &nbsp;<b>Keyword Options:</b>&nbsp;
1.417     albertel 1796: <a href="javascript:keywords(document.SCORE);" target="_self">List</a>&nbsp; &nbsp;
1.38      ng       1797: <a href="#" onMouseDown="javascript:getSel(); return false"
                   1798:  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
1.417     albertel 1799: <a href="javascript:kwhighlight();" target="_self">Highlight Attribute</a><br /><br />
1.38      ng       1800: KEYWORDS
1.88      www      1801: #
                   1802: # Load the other essays for similarity check
                   1803: #
1.324     albertel 1804:             my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb);
1.384     albertel 1805: 	    my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
1.359     www      1806: 	    $apath=&escape($apath);
1.88      www      1807: 	    $apath=~s/\W/\_/gs;
                   1808: 	    %oldessays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
1.41      ng       1809:         }
                   1810:     }
1.44      ng       1811: 
1.257     albertel 1812:     if ($env{'form.vProb'} eq 'all' or $env{'form.vAns'} eq 'all') {
1.71      ng       1813: 	$request->print('<br /><br /><br />') if ($counter > 0);
1.144     albertel 1814: 	my $mode;
1.257     albertel 1815: 	if ($env{'form.vProb'} eq 'all' && $env{'form.vAns'} eq 'all') {
1.144     albertel 1816: 	    $mode='both';
1.257     albertel 1817: 	} elsif ($env{'form.vProb'} eq 'all' ) {
1.144     albertel 1818: 	    $mode='text';
1.257     albertel 1819: 	} elsif ($env{'form.vAns'} eq 'all') {
1.144     albertel 1820: 	    $mode='answer';
                   1821: 	}
1.329     albertel 1822: 	&Apache::lonxml::clear_problem_counter();
1.144     albertel 1823: 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
1.58      albertel 1824:     }
1.144     albertel 1825: 
1.257     albertel 1826:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.324     albertel 1827:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.41      ng       1828: 
1.44      ng       1829:     # Display student info
1.41      ng       1830:     $request->print(($counter == 0 ? '' : '<br />'));
1.326     albertel 1831:     my $result='<table border="0" width="100%"><tr><td bgcolor="#777777">'."\n".
                   1832: 	'<table border="0" width="100%"><tr bgcolor="#edffff"><td>'."\n";
1.44      ng       1833: 
1.257     albertel 1834:     $result.='<b>Fullname: </b>'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'<br />'."\n";
1.45      ng       1835:     $result.='<input type="hidden" name="name'.$counter.
1.257     albertel 1836: 	'" value="'.$env{'form.fullname'}.'" />'."\n";
1.41      ng       1837: 
1.118     ng       1838:     # If any part of the problem is an essay-response (handgraded), then check for collaborators
1.45      ng       1839:     my @col_fullnames;
1.56      matthew  1840:     my ($classlist,$fullname);
1.257     albertel 1841:     if ($env{'form.handgrade'} eq 'yes') {
1.80      ng       1842: 	($classlist,undef,$fullname) = &getclasslist('all','0');
1.41      ng       1843: 	for (keys (%$handgrade)) {
1.44      ng       1844: 	    my $ncol = &Apache::lonnet::EXT('resource.'.$_.
1.57      matthew  1845: 					    '.maxcollaborators',
                   1846:                                             $symb,$udom,$uname);
                   1847: 	    next if ($ncol <= 0);
                   1848:             s/\_/\./g;
                   1849:             next if ($record{'resource.'.$_.'.collaborators'} eq '');
1.86      ng       1850:             my @goodcollaborators = ();
                   1851:             my @badcollaborators  = ();
                   1852: 	    foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) { 
                   1853: 		$_ =~ s/[\$\^\(\)]//g;
                   1854: 		next if ($_ eq '');
1.80      ng       1855: 		my ($co_name,$co_dom) = split /\@|:/,$_;
1.86      ng       1856: 		$co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
1.80      ng       1857: 		next if ($co_name eq $uname && $co_dom eq $udom);
1.86      ng       1858: 		# Doing this grep allows 'fuzzy' specification
                   1859: 		my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
                   1860: 		if (! scalar(@Matches)) {
                   1861: 		    push @badcollaborators,$_;
                   1862: 		} else {
                   1863: 		    push @goodcollaborators, @Matches;
                   1864: 		}
1.80      ng       1865: 	    }
1.86      ng       1866:             if (scalar(@goodcollaborators) != 0) {
1.57      matthew  1867:                 $result.='<b>Collaborators: </b>';
1.86      ng       1868:                 foreach (@goodcollaborators) {
                   1869: 		    my ($lastname,$givenn) = split(/,/,$$fullname{$_});
                   1870: 		    push @col_fullnames, $givenn.' '.$lastname;
                   1871: 		    $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
                   1872: 		}
1.57      matthew  1873:                 $result.='<br />'."\n";
1.150     albertel 1874: 		my ($part)=split(/\./,$_);
1.86      ng       1875: 		$result.='<input type="hidden" name="collaborator'.$counter.
1.150     albertel 1876: 		    '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
                   1877: 		    "\n";
1.86      ng       1878: 	    }
                   1879: 	    if (scalar(@badcollaborators) > 0) {
                   1880: 		$result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
                   1881: 		$result.='This student has submitted ';
                   1882: 		$result.=(scalar(@badcollaborators) == 1) ? 'an invalid collaborator' : 'invalid collaborators';
                   1883: 		$result .= ': '.join(', ',@badcollaborators);
                   1884: 		$result .= '</td></tr></table>';
                   1885: 	    }         
                   1886: 	    if (scalar(@badcollaborators > $ncol)) {
                   1887: 		$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>';
                   1888: 		$result .= 'This student has submitted too many '.
                   1889: 		    'collaborators.  Maximum is '.$ncol.'.';
                   1890: 		$result .= '</td></tr></table>';
                   1891: 	    }
1.41      ng       1892: 	}
                   1893:     }
1.44      ng       1894:     $request->print($result."\n");
1.33      ng       1895: 
1.44      ng       1896:     # print student answer/submission
                   1897:     # Options are (1) Handgaded submission only
                   1898:     #             (2) Last submission, includes submission that is not handgraded 
                   1899:     #                  (for multi-response type part)
                   1900:     #             (3) Last submission plus the parts info
                   1901:     #             (4) The whole record for this student
1.257     albertel 1902:     if ($env{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
1.151     albertel 1903: 	my ($string,$timestamp)= &get_last_submission(\%record);
                   1904: 	my $lastsubonly=''.
                   1905: 	    ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
                   1906: 	     $$timestamp)."</td></tr>\n";
                   1907: 	if ($$timestamp eq '') {
                   1908: 	    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
                   1909: 	} else {
                   1910: 	    my %seenparts;
1.375     albertel 1911: 	    my @part_response_id = &flatten_responseType($responseType);
                   1912: 	    foreach my $part (@part_response_id) {
1.393     albertel 1913: 		next if ($env{'form.lastSub'} eq 'hdgrade' 
                   1914: 			 && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes');
                   1915: 
1.375     albertel 1916: 		my ($partid,$respid) = @{ $part };
1.324     albertel 1917: 		my $display_part=&get_display_part($partid,$symb);
1.257     albertel 1918: 		if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
1.151     albertel 1919: 		    if (exists($seenparts{$partid})) { next; }
                   1920: 		    $seenparts{$partid}=1;
1.207     albertel 1921: 		    my $submitby='<b>Part:</b> '.$display_part.
                   1922: 			' <b>Collaborative submission by:</b> '.
1.151     albertel 1923: 			'<a href="javascript:viewSubmitter(\''.
1.257     albertel 1924: 			$env{"form.$uname:$udom:$partid:submitted_by"}.
1.417     albertel 1925: 			'\');" target="_self">'.
1.257     albertel 1926: 			$$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
1.151     albertel 1927: 		    $request->print($submitby);
                   1928: 		    next;
                   1929: 		}
                   1930: 		my $responsetype = $responseType->{$partid}->{$respid};
                   1931: 		if (!exists($record{"resource.$partid.$respid.submission"})) {
1.207     albertel 1932: 		    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
1.398     albertel 1933: 			$display_part.' <span class="LC_internal_info">( ID '.$respid.
                   1934: 			' )</span>&nbsp; &nbsp;'.
                   1935: 			'<span class="LC_warning">Nothing submitted - no attempts</span><br /><br />';
1.151     albertel 1936: 		    next;
                   1937: 		}
                   1938: 		foreach (@$string) {
                   1939: 		    my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
1.375     albertel 1940: 		    if (join('_',@{$part}) ne ($partid.'_'.$respid)) { next; }
1.151     albertel 1941: 		    my ($ressub,$subval) = split(/:/,$_,2);
                   1942: 		    # Similarity check
                   1943: 		    my $similar='';
1.257     albertel 1944: 		    if($env{'form.checkPlag'}){
1.151     albertel 1945: 			my ($oname,$odom,$ocrsid,$oessay,$osim)=
                   1946: 			    &most_similar($uname,$udom,$subval);
                   1947: 			if ($osim) {
                   1948: 			    $osim=int($osim*100.0);
1.398     albertel 1949: 			    $similar="<hr /><h3><span class=\"LC_warning\">Essay".
1.151     albertel 1950: 				" is $osim% similar to an essay by ".
                   1951: 				&Apache::loncommon::plainname($oname,$odom).
1.398     albertel 1952: 				'</span></h3><blockquote><i>'.
1.151     albertel 1953: 				&keywords_highlight($oessay).
                   1954: 				'</i></blockquote><hr />';
                   1955: 			}
1.150     albertel 1956: 		    }
1.151     albertel 1957: 		    my $order=&get_order($partid,$respid,$symb,$uname,$udom);
1.257     albertel 1958: 		    if ($env{'form.lastSub'} eq 'lastonly' || 
                   1959: 			($env{'form.lastSub'} eq 'hdgrade' && 
1.377     albertel 1960: 			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
1.324     albertel 1961: 			my $display_part=&get_display_part($partid,$symb);
1.403     albertel 1962: 			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
                   1963: 			    $display_part.' <span class="LC_internal_info">( ID '.$respid.
1.398     albertel 1964: 			    ' )</span>&nbsp; &nbsp;';
1.313     banghart 1965: 			my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record);
                   1966: 			if (@$files) {
1.398     albertel 1967: 			    $lastsubonly.='<br /><span class="LC_warning">Like all files provided by users, this file may contain virusses</span><br />';
1.303     banghart 1968: 			    my $file_counter = 0;
1.313     banghart 1969: 			    foreach my $file (@$files) {
1.303     banghart 1970: 			        $file_counter ++;
1.232     albertel 1971: 				&Apache::lonnet::allowuploaded('/adm/grades',$file);
1.335     albertel 1972: 				$lastsubonly.='<br /><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.&Apache::loncommon::icon($file).'" border=0"> '.$file.'</a>';
1.232     albertel 1973: 			    }
1.236     albertel 1974: 			    $lastsubonly.='<br />';
1.41      ng       1975: 			}
1.151     albertel 1976: 			$lastsubonly.='<b>Submitted Answer: </b>'.
                   1977: 			    &cleanRecord($subval,$responsetype,$symb,$partid,
                   1978: 					 $respid,\%record,$order);
                   1979: 			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
1.41      ng       1980: 		    }
                   1981: 		}
                   1982: 	    }
1.151     albertel 1983: 	}
                   1984: 	$lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
                   1985: 	$request->print($lastsubonly);
1.257     albertel 1986:     } elsif ($env{'form.lastSub'} eq 'datesub') {
1.324     albertel 1987: 	my (undef,$responseType,undef,$parts) = &showResourceInfo($symb);
1.148     albertel 1988: 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
1.257     albertel 1989:     } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) {
1.41      ng       1990: 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
1.257     albertel 1991: 								 $env{'request.course.id'},
1.44      ng       1992: 								 $last,'.submission',
                   1993: 								 'Apache::grades::keywords_highlight'));
1.41      ng       1994:     }
1.120     ng       1995: 
1.121     ng       1996:     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
                   1997: 	.$udom.'" />'."\n");
1.41      ng       1998:     
1.44      ng       1999:     # return if view submission with no grading option
1.257     albertel 2000:     if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) {
1.120     ng       2001: 	my $toGrade.='<input type="button" value="Grade Student" '.
1.121     ng       2002: 	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
1.417     albertel 2003: 	    .$counter.'\');" target="_self" /> &nbsp;'."\n" if (&canmodify($usec));
1.169     albertel 2004: 	$toGrade.='</td></tr></table></td></tr></table>'."\n";
1.257     albertel 2005: 	if (($env{'form.command'} eq 'submission') || 
                   2006: 	    ($env{'form.command'} eq 'processGroup' && $counter == $total)) {
1.324     albertel 2007: 	    $toGrade.='</form>'.&show_grading_menu_form($symb); 
1.169     albertel 2008: 	}
1.180     albertel 2009: 	$request->print($toGrade);
1.41      ng       2010: 	return;
1.180     albertel 2011:     } else {
                   2012: 	$request->print('</td></tr></table></td></tr></table>'."\n");
1.41      ng       2013:     }
1.33      ng       2014: 
1.121     ng       2015:     # essay grading message center
1.257     albertel 2016:     if ($env{'form.handgrade'} eq 'yes') {
                   2017: 	my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
1.118     ng       2018: 	my $msgfor = $givenn.' '.$lastname;
                   2019: 	if (scalar(@col_fullnames) > 0) {
                   2020: 	    my $lastone = pop @col_fullnames;
                   2021: 	    $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
                   2022: 	}
                   2023: 	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
1.121     ng       2024: 	$result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
                   2025: 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
                   2026: 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
1.417     albertel 2027: 	    ',\''.$msgfor.'\');" target="_self">'.
1.350     albertel 2028: 	    &mt('Compose message to student').(scalar(@col_fullnames) >= 1 ? 's' : '').'</a><label> ('.
                   2029: 	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
1.118     ng       2030: 	    '<img src="'.$request->dir_config('lonIconsURL').
                   2031: 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
1.298     www      2032: 	    '<br />&nbsp;('.
                   2033: 	    &mt('Message will be sent when you click on Save & Next below.').")\n";
1.121     ng       2034: 	$request->print($result);
1.118     ng       2035:     }
1.300     albertel 2036:     if ($perm{'vgr'}) {
1.297     www      2037: 	$request->print('<br />'.
1.300     albertel 2038: 	    &Apache::loncommon::track_student_link(&mt('View recent activity'),
                   2039: 						   $uname,$udom,'check'));
1.297     www      2040:     }
1.300     albertel 2041:     if ($perm{'opa'}) {
1.297     www      2042: 	$request->print('<br />'.
1.300     albertel 2043: 	    &Apache::loncommon::pprmlink(&mt('Set/Change parameters'),
                   2044: 					 $uname,$udom,$symb,'check'));
1.297     www      2045:     }
1.41      ng       2046: 
                   2047:     my %seen = ();
                   2048:     my @partlist;
1.129     ng       2049:     my @gradePartRespid;
1.375     albertel 2050:     my @part_response_id = &flatten_responseType($responseType);
                   2051:     foreach my $part_response_id (@part_response_id) {
                   2052:     	my ($partid,$respid) = @{ $part_response_id };
                   2053: 	my $part_resp = join('_',@{ $part_response_id });
1.322     albertel 2054: 	next if ($seen{$partid} > 0);
1.41      ng       2055: 	$seen{$partid}++;
1.393     albertel 2056: 	next if ($$handgrade{$part_resp} ne 'yes' 
                   2057: 		 && $env{'form.lastSub'} eq 'hdgrade');
1.41      ng       2058: 	push @partlist,$partid;
1.129     ng       2059: 	push @gradePartRespid,$partid.'.'.$respid;
1.322     albertel 2060: 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
1.41      ng       2061:     }
1.45      ng       2062:     $result='<input type="hidden" name="partlist'.$counter.
                   2063: 	'" value="'.(join ":",@partlist).'" />'."\n";
1.129     ng       2064:     $result.='<input type="hidden" name="gradePartRespid'.
                   2065: 	'" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
1.45      ng       2066:     my $ctr = 0;
                   2067:     while ($ctr < scalar(@partlist)) {
                   2068: 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
                   2069: 	    $partlist[$ctr].'" />'."\n";
                   2070: 	$ctr++;
                   2071:     }
                   2072:     $request->print($result.'</td></tr></table></td></tr></table>'."\n");
1.41      ng       2073: 
                   2074:     # print end of form
                   2075:     if ($counter == $total) {
1.297     www      2076: 	my $endform='<table border="0"><tr><td>'."\n";
1.119     ng       2077: 	$endform.='<input type="button" value="Save & Next" '.
                   2078: 	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
1.417     albertel 2079: 	    $total.','.scalar(@partlist).');" target="_self" /> &nbsp;'."\n";
1.119     ng       2080: 	my $ntstu ='<select name="NTSTU">'.
                   2081: 	    '<option>1</option><option>2</option>'.
                   2082: 	    '<option>3</option><option>5</option>'.
                   2083: 	    '<option>7</option><option>10</option></select>'."\n";
1.257     albertel 2084: 	my $nsel = ($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : '1');
1.401     albertel 2085: 	$ntstu =~ s/<option>$nsel</<option selected="selected">$nsel</;
1.119     ng       2086: 	$endform.=$ntstu.'student(s) &nbsp;&nbsp;';
1.126     ng       2087: 	$endform.='<input type="button" value="Previous" '.
1.417     albertel 2088: 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" target="_self" /> &nbsp;'."\n".
1.126     ng       2089: 	    '<input type="button" value="Next" '.
1.417     albertel 2090: 	    'onClick="javascript:checksubmit(this.form,\'Next\');" target="_self" /> &nbsp;';
1.126     ng       2091: 	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
1.349     albertel 2092:         $endform.="<input type='hidden' value='".&get_increment().
1.348     bowersj2 2093:             "' name='increment' />";
1.45      ng       2094: 	$endform.='</td><tr></table></form>';
1.324     albertel 2095: 	$endform.=&show_grading_menu_form($symb);
1.41      ng       2096: 	$request->print($endform);
                   2097:     }
                   2098:     return '';
1.38      ng       2099: }
                   2100: 
1.44      ng       2101: #--- Retrieve the last submission for all the parts
1.38      ng       2102: sub get_last_submission {
1.119     ng       2103:     my ($returnhash)=@_;
1.46      ng       2104:     my (@string,$timestamp);
1.119     ng       2105:     if ($$returnhash{'version'}) {
1.46      ng       2106: 	my %lasthash=();
                   2107: 	my ($version);
1.119     ng       2108: 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
1.397     albertel 2109: 	    foreach my $key (sort(split(/\:/,
                   2110: 					$$returnhash{$version.':keys'}))) {
                   2111: 		$lasthash{$key}=$$returnhash{$version.':'.$key};
                   2112: 		$timestamp = 
                   2113: 		    scalar(localtime($$returnhash{$version.':timestamp'}));
1.46      ng       2114: 	    }
                   2115: 	}
1.397     albertel 2116: 	foreach my $key (keys(%lasthash)) {
                   2117: 	    next if ($key !~ /\.submission$/);
                   2118: 
                   2119: 	    my ($partid,$foo) = split(/submission$/,$key);
                   2120: 	    my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
1.398     albertel 2121: 		'<span class="LC_warning">Draft Copy</span> ' : '';
1.397     albertel 2122: 	    push(@string, join(':', $key, $draft.$lasthash{$key}));
1.41      ng       2123: 	}
                   2124:     }
1.397     albertel 2125:     if (!@string) {
                   2126: 	$string[0] =
1.398     albertel 2127: 	    '<span class="LC_warning">Nothing submitted - no attempts.</span>';
1.397     albertel 2128:     }
                   2129:     return (\@string,\$timestamp);
1.38      ng       2130: }
1.35      ng       2131: 
1.44      ng       2132: #--- High light keywords, with style choosen by user.
1.38      ng       2133: sub keywords_highlight {
1.44      ng       2134:     my $string    = shift;
1.257     albertel 2135:     my $size      = $env{'form.kwsize'} eq '0' ? '' : 'size='.$env{'form.kwsize'};
                   2136:     my $styleon   = $env{'form.kwstyle'} eq ''  ? '' : $env{'form.kwstyle'};
1.41      ng       2137:     (my $styleoff = $styleon) =~ s/\</\<\//;
1.257     albertel 2138:     my @keylist   = split(/[,\s+]/,$env{'form.keywords'});
1.398     albertel 2139:     foreach my $keyword (@keylist) {
                   2140: 	$string =~ s/\b\Q$keyword\E(\b|\.)/<font color\=$env{'form.kwclr'} $size\>$styleon$keyword$styleoff<\/font>/gi;
1.41      ng       2141:     }
                   2142:     return $string;
1.38      ng       2143: }
1.36      ng       2144: 
1.44      ng       2145: #--- Called from submission routine
1.38      ng       2146: sub processHandGrade {
1.41      ng       2147:     my ($request) = shift;
1.324     albertel 2148:     my $symb   = &get_symb($request);
                   2149:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.257     albertel 2150:     my $button = $env{'form.gradeOpt'};
                   2151:     my $ngrade = $env{'form.NCT'};
                   2152:     my $ntstu  = $env{'form.NTSTU'};
1.301     albertel 2153:     my $cdom   = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2154:     my $cnum   = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2155: 
1.44      ng       2156:     if ($button eq 'Save & Next') {
                   2157: 	my $ctr = 0;
                   2158: 	while ($ctr < $ngrade) {
1.257     albertel 2159: 	    my ($uname,$udom) = split(/:/,$env{'form.unamedom'.$ctr});
1.324     albertel 2160: 	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$symb,$uname,$udom,$ctr);
1.71      ng       2161: 	    if ($errorflag eq 'no_score') {
                   2162: 		$ctr++;
                   2163: 		next;
                   2164: 	    }
1.104     albertel 2165: 	    if ($errorflag eq 'not_allowed') {
1.398     albertel 2166: 		$request->print("<span class=\"LC_warning\">Not allowed to modify grades for $uname:$udom</span>");
1.104     albertel 2167: 		$ctr++;
                   2168: 		next;
                   2169: 	    }
1.257     albertel 2170: 	    my $includemsg = $env{'form.includemsg'.$ctr};
1.44      ng       2171: 	    my ($subject,$message,$msgstatus) = ('','','');
1.418     albertel 2172: 	    my $restitle = &Apache::lonnet::gettitle($symb);
                   2173:             my ($feedurl,$showsymb) =
                   2174: 		&get_feedurl_and_symb($symb,$uname,$udom);
                   2175: 	    my $messagetail;
1.62      albertel 2176: 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
1.298     www      2177: 		$subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/);
1.295     www      2178: 		unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); }
1.386     raeburn  2179: 		$subject.=' ['.$restitle.']';
1.44      ng       2180: 		my (@msgnum) = split(/,/,$includemsg);
                   2181: 		foreach (@msgnum) {
1.257     albertel 2182: 		    $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
1.44      ng       2183: 		}
1.80      ng       2184: 		$message =&Apache::lonfeedback::clear_out_html($message);
1.298     www      2185: 		if ($env{'form.withgrades'.$ctr}) {
                   2186: 		    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
1.386     raeburn  2187: 		    $messagetail = " for <a href=\"".
1.418     albertel 2188: 		                   $feedurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
1.386     raeburn  2189: 		}
                   2190: 		$msgstatus = 
                   2191:                     &Apache::lonmsg::user_normal_msg($uname,$udom,$subject,
                   2192: 						     $message.$messagetail,
1.418     albertel 2193:                                                      undef,$feedurl,undef,
1.386     raeburn  2194:                                                      undef,undef,$showsymb,
                   2195:                                                      $restitle);
                   2196: 		$request->print('<br />'.&mt('Sending message to [_1]:[_2]',$uname,$udom).': '.
1.296     www      2197: 				$msgstatus);
1.44      ng       2198: 	    }
1.257     albertel 2199: 	    if ($env{'form.collaborator'.$ctr}) {
1.155     albertel 2200: 		my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
1.150     albertel 2201: 		foreach my $collabstr (@collabstrs) {
                   2202: 		    my ($part,@collaborators) = split(/:/,$collabstr);
1.310     banghart 2203: 		    foreach my $collaborator (@collaborators) {
1.150     albertel 2204: 			my ($errorflag,$pts,$wgt) = 
1.324     albertel 2205: 			    &saveHandGrade($request,$symb,$collaborator,$udom,$ctr,
1.257     albertel 2206: 					   $env{'form.unamedom'.$ctr},$part);
1.150     albertel 2207: 			if ($errorflag eq 'not_allowed') {
1.362     albertel 2208: 			    $request->print("<span class=\"LC_error\">".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom")."</span>");
1.150     albertel 2209: 			    next;
1.418     albertel 2210: 			} elsif ($message ne '') {
                   2211: 			    my ($baseurl,$showsymb) = 
                   2212: 				&get_feedurl_and_symb($symb,$collaborator,
                   2213: 						      $udom);
                   2214: 			    if ($env{'form.withgrades'.$ctr}) {
                   2215: 				$messagetail = " for <a href=\"".
1.386     raeburn  2216:                                     $baseurl."?symb=$showsymb\">$env{'form.probTitle'}</a>";
1.150     albertel 2217: 			    }
1.418     albertel 2218: 			    $msgstatus = 
                   2219: 				&Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle);
1.104     albertel 2220: 			}
1.44      ng       2221: 		    }
                   2222: 		}
                   2223: 	    }
                   2224: 	    $ctr++;
                   2225: 	}
                   2226:     }
                   2227: 
1.257     albertel 2228:     if ($env{'form.handgrade'} eq 'yes') {
1.119     ng       2229: 	# Keywords sorted in alphabatical order
1.257     albertel 2230: 	my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
1.119     ng       2231: 	my %keyhash = ();
1.257     albertel 2232: 	$env{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
                   2233: 	$env{'form.keywords'}           =~ s/^\s+|\s+$//;
                   2234: 	my (@keywords) = sort(split(/\s+/,$env{'form.keywords'}));
                   2235: 	$env{'form.keywords'} = join(' ',@keywords);
                   2236: 	$keyhash{$symb.'_keywords'}     = $env{'form.keywords'};
                   2237: 	$keyhash{$symb.'_subject'}      = $env{'form.msgsub'};
                   2238: 	$keyhash{$loginuser.'_kwclr'}   = $env{'form.kwclr'};
                   2239: 	$keyhash{$loginuser.'_kwsize'}  = $env{'form.kwsize'};
                   2240: 	$keyhash{$loginuser.'_kwstyle'} = $env{'form.kwstyle'};
1.119     ng       2241: 
                   2242: 	# message center - Order of message gets changed. Blank line is eliminated.
1.257     albertel 2243: 	# New messages are saved in env for the next student.
1.119     ng       2244: 	# All messages are saved in nohist_handgrade.db
                   2245: 	my ($ctr,$idx) = (1,1);
1.257     albertel 2246: 	while ($ctr <= $env{'form.savemsgN'}) {
                   2247: 	    if ($env{'form.savemsg'.$ctr} ne '') {
                   2248: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.savemsg'.$ctr};
1.119     ng       2249: 		$idx++;
                   2250: 	    }
                   2251: 	    $ctr++;
1.41      ng       2252: 	}
1.119     ng       2253: 	$ctr = 0;
                   2254: 	while ($ctr < $ngrade) {
1.257     albertel 2255: 	    if ($env{'form.newmsg'.$ctr} ne '') {
                   2256: 		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr};
                   2257: 		$env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr};
1.119     ng       2258: 		$idx++;
                   2259: 	    }
                   2260: 	    $ctr++;
1.41      ng       2261: 	}
1.257     albertel 2262: 	$env{'form.savemsgN'} = --$idx;
                   2263: 	$keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'};
1.119     ng       2264: 	my $putresult = &Apache::lonnet::put
1.301     albertel 2265: 	    ('nohist_handgrade',\%keyhash,$cdom,$cnum);
1.41      ng       2266:     }
1.44      ng       2267:     # Called by Save & Refresh from Highlight Attribute Window
1.257     albertel 2268:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
                   2269:     if ($env{'form.refresh'} eq 'on') {
1.86      ng       2270: 	my ($ctr,$total) = (0,0);
                   2271: 	while ($ctr < $ngrade) {
1.257     albertel 2272: 	    $total++ if  $env{'form.unamedom'.$ctr} ne '';
1.86      ng       2273: 	    $ctr++;
                   2274: 	}
1.257     albertel 2275: 	$env{'form.NTSTU'}=$ngrade;
1.86      ng       2276: 	$ctr = 0;
                   2277: 	while ($ctr < $total) {
1.257     albertel 2278: 	    my $processUser = $env{'form.unamedom'.$ctr};
                   2279: 	    ($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
                   2280: 	    $env{'form.fullname'} = $$fullname{$processUser};
1.86      ng       2281: 	    &submission($request,$ctr,$total-1);
1.41      ng       2282: 	    $ctr++;
                   2283: 	}
                   2284: 	return '';
                   2285:     }
1.36      ng       2286: 
1.121     ng       2287: # Go directly to grade student - from submission or link from chart page
1.120     ng       2288:     if ($button eq 'Grade Student') {
1.324     albertel 2289: 	(undef,undef,$env{'form.handgrade'},undef,undef) = &showResourceInfo($symb);
1.257     albertel 2290: 	my $processUser = $env{'form.unamedom'.$env{'form.studentNo'}};
                   2291: 	($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser);
                   2292: 	$env{'form.fullname'} = $$fullname{$processUser};
1.120     ng       2293: 	&submission($request,0,0);
                   2294: 	return '';
                   2295:     }
                   2296: 
1.44      ng       2297:     # Get the next/previous one or group of students
1.257     albertel 2298:     my $firststu = $env{'form.unamedom0'};
                   2299:     my $laststu = $env{'form.unamedom'.($ngrade-1)};
1.119     ng       2300:     my $ctr = 2;
1.41      ng       2301:     while ($laststu eq '') {
1.257     albertel 2302: 	$laststu  = $env{'form.unamedom'.($ngrade-$ctr)};
1.41      ng       2303: 	$ctr++;
                   2304: 	$laststu = $firststu if ($ctr > $ngrade);
                   2305:     }
1.44      ng       2306: 
1.41      ng       2307:     my (@parsedlist,@nextlist);
                   2308:     my ($nextflg) = 0;
1.294     albertel 2309:     foreach (sort 
                   2310: 	     {
                   2311: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   2312: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   2313: 		 }
                   2314: 		 return $a cmp $b;
                   2315: 	     } (keys(%$fullname))) {
1.41      ng       2316: 	if ($nextflg == 1 && $button =~ /Next$/) {
                   2317: 	    push @parsedlist,$_;
                   2318: 	}
                   2319: 	$nextflg = 1 if ($_ eq $laststu);
                   2320: 	if ($button eq 'Previous') {
                   2321: 	    last if ($_ eq $firststu);
                   2322: 	    push @parsedlist,$_;
                   2323: 	}
                   2324:     }
                   2325:     $ctr = 0;
                   2326:     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
1.324     albertel 2327:     my ($partlist) = &response_type($symb);
1.41      ng       2328:     foreach my $student (@parsedlist) {
1.257     albertel 2329: 	my $submitonly=$env{'form.submitonly'};
1.41      ng       2330: 	my ($uname,$udom) = split(/:/,$student);
1.301     albertel 2331: 	
                   2332: 	if ($submitonly eq 'queued') {
                   2333: 	    my %queue_status = 
                   2334: 		&Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
                   2335: 							$udom,$uname);
                   2336: 	    next if (!defined($queue_status{'gradingqueue'}));
                   2337: 	}
                   2338: 
1.156     albertel 2339: 	if ($submitonly =~ /^(yes|graded|incorrect)$/) {
1.257     albertel 2340: #	    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
1.324     albertel 2341: 	    my %status=&student_gradeStatus($symb,$udom,$uname,$partlist);
1.145     albertel 2342: 	    my $submitted = 0;
1.248     albertel 2343: 	    my $ungraded = 0;
                   2344: 	    my $incorrect = 0;
1.145     albertel 2345: 	    foreach (keys(%status)) {
                   2346: 		$submitted = 1 if ($status{$_} ne 'nothing');
1.248     albertel 2347: 		$ungraded = 1 if ($status{$_} =~ /^ungraded/);
                   2348: 		$incorrect = 1 if ($status{$_} =~ /^incorrect/);
1.145     albertel 2349: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                   2350: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
                   2351: 		    $submitted = 0;
                   2352: 		}
1.41      ng       2353: 	    }
1.156     albertel 2354: 	    next if (!$submitted && ($submitonly eq 'yes' ||
                   2355: 				     $submitonly eq 'incorrect' ||
                   2356: 				     $submitonly eq 'graded'));
1.248     albertel 2357: 	    next if (!$ungraded && ($submitonly eq 'graded'));
                   2358: 	    next if (!$incorrect && $submitonly eq 'incorrect');
1.41      ng       2359: 	}
                   2360: 	push @nextlist,$student if ($ctr < $ntstu);
1.129     ng       2361: 	last if ($ctr == $ntstu);
1.41      ng       2362: 	$ctr++;
                   2363:     }
1.36      ng       2364: 
1.41      ng       2365:     $ctr = 0;
                   2366:     my $total = scalar(@nextlist)-1;
1.39      ng       2367: 
1.41      ng       2368:     foreach (sort @nextlist) {
                   2369: 	my ($uname,$udom,$submitter) = split(/:/);
1.257     albertel 2370: 	$env{'form.student'}  = $uname;
                   2371: 	$env{'form.userdom'}  = $udom;
                   2372: 	$env{'form.fullname'} = $$fullname{$_};
1.41      ng       2373: 	&submission($request,$ctr,$total);
                   2374: 	$ctr++;
                   2375:     }
                   2376:     if ($total < 0) {
1.398     albertel 2377: 	my $the_end = '<h3><span class="LC_info">LON-CAPA User Message</span></h3><br />'."\n";
1.41      ng       2378: 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
                   2379: 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
1.324     albertel 2380: 	$the_end.=&show_grading_menu_form($symb);
1.41      ng       2381: 	$request->print($the_end);
                   2382:     }
                   2383:     return '';
1.38      ng       2384: }
1.36      ng       2385: 
1.44      ng       2386: #---- Save the score and award for each student, if changed
1.38      ng       2387: sub saveHandGrade {
1.324     albertel 2388:     my ($request,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
1.342     banghart 2389:     my @version_parts;
1.104     albertel 2390:     my $usec = &Apache::lonnet::getsection($domain,$stuname,
1.257     albertel 2391: 					   $env{'request.course.id'});
1.104     albertel 2392:     if (!&canmodify($usec)) { return('not_allowed'); }
1.337     banghart 2393:     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$domain,$stuname);
1.251     banghart 2394:     my @parts_graded;
1.77      ng       2395:     my %newrecord  = ();
                   2396:     my ($pts,$wgt) = ('','');
1.269     raeburn  2397:     my %aggregate = ();
                   2398:     my $aggregateflag = 0;
1.301     albertel 2399:     my @parts = split(/:/,$env{'form.partlist'.$newflg});
                   2400:     foreach my $new_part (@parts) {
1.337     banghart 2401: 	#collaborator ($submi may vary for different parts
1.259     banghart 2402: 	if ($submitter && $new_part ne $part) { next; }
                   2403: 	my $dropMenu = $env{'form.GD_SEL'.$newflg.'_'.$new_part};
1.125     ng       2404: 	if ($dropMenu eq 'excused') {
1.259     banghart 2405: 	    if ($record{'resource.'.$new_part.'.solved'} ne 'excused') {
                   2406: 		$newrecord{'resource.'.$new_part.'.solved'} = 'excused';
                   2407: 		if (exists($record{'resource.'.$new_part.'.awarded'})) {
                   2408: 		    $newrecord{'resource.'.$new_part.'.awarded'} = '';
1.58      albertel 2409: 		}
1.364     banghart 2410: 	        $newrecord{'resource.'.$new_part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.58      albertel 2411: 	    }
1.125     ng       2412: 	} elsif ($dropMenu eq 'reset status'
1.259     banghart 2413: 		 && exists($record{'resource.'.$new_part.'.solved'})) { #don't bother if no old records -> no attempts
1.197     albertel 2414: 	    foreach my $key (keys (%record)) {
1.259     banghart 2415: 		if ($key=~/^resource\.\Q$new_part\E\./) { $newrecord{$key} = ''; }
1.197     albertel 2416: 	    }
1.259     banghart 2417: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 2418: 		"$env{'user.name'}:$env{'user.domain'}";
1.270     albertel 2419:             my $totaltries = $record{'resource.'.$part.'.tries'};
                   2420: 
                   2421:             my %last_resets = &get_last_resets($symb,$env{'request.course.id'},
                   2422: 					       [$new_part]);
                   2423:             my $aggtries =$totaltries;
1.269     raeburn  2424:             if ($last_resets{$new_part}) {
1.270     albertel 2425:                 $aggtries = &get_num_tries(\%record,$last_resets{$new_part},
                   2426: 					   $new_part);
1.269     raeburn  2427:             }
1.270     albertel 2428: 
                   2429:             my $solvedstatus = $record{'resource.'.$new_part.'.solved'};
1.269     raeburn  2430:             if ($aggtries > 0) {
1.327     albertel 2431:                 &decrement_aggs($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus);
1.269     raeburn  2432:                 $aggregateflag = 1;
                   2433:             }
1.125     ng       2434: 	} elsif ($dropMenu eq '') {
1.259     banghart 2435: 	    $pts = ($env{'form.GD_BOX'.$newflg.'_'.$new_part} ne '' ? 
                   2436: 		    $env{'form.GD_BOX'.$newflg.'_'.$new_part} : 
                   2437: 		    $env{'form.RADVAL'.$newflg.'_'.$new_part});
                   2438: 	    if ($pts eq '' && $env{'form.GD_SEL'.$newflg.'_'.$new_part} eq '') {
1.153     albertel 2439: 		next;
                   2440: 	    }
1.259     banghart 2441: 	    $wgt = $env{'form.WGT'.$newflg.'_'.$new_part} eq '' ? 1 : 
                   2442: 		$env{'form.WGT'.$newflg.'_'.$new_part};
1.41      ng       2443: 	    my $partial= $pts/$wgt;
1.259     banghart 2444: 	    if ($partial eq $record{'resource.'.$new_part.'.awarded'}) {
1.153     albertel 2445: 		#do not update score for part if not changed.
1.346     banghart 2446:                 &handback_files($request,$symb,$stuname,$domain,$newflg,$new_part,\%newrecord);
1.153     albertel 2447: 		next;
1.251     banghart 2448: 	    } else {
1.259     banghart 2449: 	        push @parts_graded, $new_part;
1.153     albertel 2450: 	    }
1.259     banghart 2451: 	    if ($record{'resource.'.$new_part.'.awarded'} ne $partial) {
                   2452: 		$newrecord{'resource.'.$new_part.'.awarded'}  = $partial;
1.153     albertel 2453: 	    }
1.259     banghart 2454: 	    my $reckey = 'resource.'.$new_part.'.solved';
1.41      ng       2455: 	    if ($partial == 0) {
1.153     albertel 2456: 		if ($record{$reckey} ne 'incorrect_by_override') {
                   2457: 		    $newrecord{$reckey} = 'incorrect_by_override';
                   2458: 		}
1.41      ng       2459: 	    } else {
1.153     albertel 2460: 		if ($record{$reckey} ne 'correct_by_override') {
                   2461: 		    $newrecord{$reckey} = 'correct_by_override';
                   2462: 		}
                   2463: 	    }	    
                   2464: 	    if ($submitter && 
1.259     banghart 2465: 		($record{'resource.'.$new_part.'.submitted_by'} ne $submitter)) {
                   2466: 		$newrecord{'resource.'.$new_part.'.submitted_by'} = $submitter;
1.41      ng       2467: 	    }
1.259     banghart 2468: 	    $newrecord{'resource.'.$new_part.'.regrader'}=
1.257     albertel 2469: 		"$env{'user.name'}:$env{'user.domain'}";
1.41      ng       2470: 	}
1.259     banghart 2471: 	# unless problem has been graded, set flag to version the submitted files
1.305     banghart 2472: 	unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/  || 
                   2473: 	        $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' ||
                   2474: 	        $dropMenu eq 'reset status')
                   2475: 	   {
1.342     banghart 2476: 	    push (@version_parts,$new_part);
1.259     banghart 2477: 	}
1.41      ng       2478:     }
1.301     albertel 2479:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2480:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2481: 
1.344     albertel 2482:     if (%newrecord) {
                   2483:         if (@version_parts) {
1.364     banghart 2484:             my @changed_keys = &version_portfiles(\%record, \@parts_graded, 
                   2485:                                 $env{'request.course.id'}, $symb, $domain, $stuname, \@version_parts);
1.344     albertel 2486: 	    @newrecord{@changed_keys} = @record{@changed_keys};
1.367     albertel 2487: 	    foreach my $new_part (@version_parts) {
                   2488: 		&handback_files($request,$symb,$stuname,$domain,$newflg,
                   2489: 				$new_part,\%newrecord);
                   2490: 	    }
1.259     banghart 2491:         }
1.44      ng       2492: 	&Apache::lonnet::cstore(\%newrecord,$symb,
1.257     albertel 2493: 				$env{'request.course.id'},$domain,$stuname);
1.380     albertel 2494: 	&check_and_remove_from_queue(\@parts,\%record,\%newrecord,$symb,
                   2495: 				     $cdom,$cnum,$domain,$stuname);
1.41      ng       2496:     }
1.269     raeburn  2497:     if ($aggregateflag) {
                   2498:         &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 2499: 			      $cdom,$cnum);
1.269     raeburn  2500:     }
1.301     albertel 2501:     return ('',$pts,$wgt);
1.36      ng       2502: }
1.322     albertel 2503: 
1.380     albertel 2504: sub check_and_remove_from_queue {
                   2505:     my ($parts,$record,$newrecord,$symb,$cdom,$cnum,$domain,$stuname) = @_;
                   2506:     my @ungraded_parts;
                   2507:     foreach my $part (@{$parts}) {
                   2508: 	if (    $record->{   'resource.'.$part.'.awarded'} eq ''
                   2509: 	     && $record->{   'resource.'.$part.'.solved' } ne 'excused'
                   2510: 	     && $newrecord->{'resource.'.$part.'.awarded'} eq ''
                   2511: 	     && $newrecord->{'resource.'.$part.'.solved' } ne 'excused'
                   2512: 		) {
                   2513: 	    push(@ungraded_parts, $part);
                   2514: 	}
                   2515:     }
                   2516:     if ( !@ungraded_parts ) {
                   2517: 	&Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom,
                   2518: 					       $cnum,$domain,$stuname);
                   2519:     }
                   2520: }
                   2521: 
1.337     banghart 2522: sub handback_files {
                   2523:     my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_;
1.359     www      2524:     my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio';
                   2525:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.375     albertel 2526: 
                   2527:     my @part_response_id = &flatten_responseType($responseType);
                   2528:     foreach my $part_response_id (@part_response_id) {
                   2529:     	my ($part_id,$resp_id) = @{ $part_response_id };
                   2530: 	my $part_resp = join('_',@{ $part_response_id });
1.337     banghart 2531:             if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part == $part_id)) {
                   2532:                 # if multiple files are uploaded names will be 'returndoc2','returndoc3'
                   2533:                 my $file_counter = 1;
1.367     albertel 2534: 		my $file_msg;
1.337     banghart 2535:                 while ($env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter}) {
                   2536:                     my $fname=$env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'.filename'};
1.338     banghart 2537:                     my ($directory,$answer_file) = 
                   2538:                         ($env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter} =~ /^(.*?)([^\/]*)$/);
                   2539:                     my ($answer_name,$answer_ver,$answer_ext) =
                   2540: 		        &file_name_version_ext($answer_file);
1.355     banghart 2541: 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
1.341     banghart 2542: 		    my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root);
1.338     banghart 2543: 		    my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
1.355     banghart 2544:                     # fix file name
                   2545:                     my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/);
                   2546:                     my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain,
                   2547:             	                                $newflg.'_'.$part_resp.'_returndoc'.$file_counter,
                   2548:             	                                $save_file_name);
1.337     banghart 2549:                     if ($result !~ m|^/uploaded/|) {
1.401     albertel 2550:                         $request->print('<span class="LC_error">An error occurred ('.$result.
1.398     albertel 2551:                         ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'</span><br />');
1.356     banghart 2552:                     } else {
1.360     banghart 2553:                         # mark the file as read only
                   2554:                         my @files = ($save_file_name);
1.372     albertel 2555:                         my @what = ($symb,$env{'request.course.id'},'handback');
1.360     banghart 2556:                         &Apache::lonnet::mark_as_readonly($domain,$stuname,\@files,\@what);
1.367     albertel 2557: 			if (exists($$newrecord{"resource.$new_part.$resp_id.handback"})) {
                   2558: 			    $$newrecord{"resource.$new_part.$resp_id.handback"}.=',';
                   2559: 			}
                   2560:                         $$newrecord{"resource.$new_part.$resp_id.handback"} .= $save_file_name;
                   2561: 			$file_msg.= "\n".'<br /><span class="LC_filename"><a href="/uploaded/'."$domain/$stuname/".$save_file_name.'">'.$save_file_name."</a></span><br />";
                   2562: 
1.337     banghart 2563:                     }
                   2564:                     $request->print("<br />".$fname." will be the uploaded file name");
1.354     albertel 2565:                     $request->print(" ".$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter});
1.337     banghart 2566:                     $file_counter++;
                   2567:                 }
1.367     albertel 2568: 		my $subject = "File Handed Back by Instructor ";
                   2569: 		my $message = "A file has been returned that was originally submitted in reponse to: <br />";
                   2570: 		$message .= "<strong>".&Apache::lonnet::gettitle($symb)."</strong><br />";
                   2571: 		$message .= ' The returned file(s) are named: '. $file_msg;
                   2572: 		$message .= " and can be found in your portfolio space.";
1.418     albertel 2573: 		my ($feedurl,$showsymb) = 
                   2574: 		    &get_feedurl_and_symb($symb,$domain,$stuname);
1.386     raeburn  2575:                 my $restitle = &Apache::lonnet::gettitle($symb);
                   2576: 		my $msgstatus = 
                   2577:                    &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject.
                   2578: 			 ' (File Returned) ['.$restitle.']',$message,undef,
1.418     albertel 2579:                          $feedurl,undef,undef,undef,$showsymb,$restitle);
1.337     banghart 2580:             }
                   2581:         }
1.338     banghart 2582:     return;
1.337     banghart 2583: }
                   2584: 
1.418     albertel 2585: sub get_feedurl_and_symb {
                   2586:     my ($symb,$uname,$udom) = @_;
                   2587:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
                   2588:     $url = &Apache::lonnet::clutter($url);
                   2589:     my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl',
                   2590: 					$symb,$udom,$uname);
                   2591:     if ($encrypturl =~ /^yes$/i) {
                   2592: 	&Apache::lonenc::encrypted(\$url,1);
                   2593: 	&Apache::lonenc::encrypted(\$symb,1);
                   2594:     }
                   2595:     return ($url,$symb);
                   2596: }
                   2597: 
1.313     banghart 2598: sub get_submitted_files {
                   2599:     my ($udom,$uname,$partid,$respid,$record) = @_;
                   2600:     my @files;
                   2601:     if ($$record{"resource.$partid.$respid.portfiles"}) {
                   2602:         my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';
                   2603:         foreach my $file (split(',',$$record{"resource.$partid.$respid.portfiles"})) {
                   2604:     	    push(@files,$file_url.$file);
                   2605:         }
                   2606:     }
                   2607:     if ($$record{"resource.$partid.$respid.uploadedurl"}) {
                   2608:         push(@files,$$record{"resource.$partid.$respid.uploadedurl"});
                   2609:     }
                   2610:     return (\@files);
                   2611: }
1.322     albertel 2612: 
1.269     raeburn  2613: # ----------- Provides number of tries since last reset.
                   2614: sub get_num_tries {
                   2615:     my ($record,$last_reset,$part) = @_;
                   2616:     my $timestamp = '';
                   2617:     my $num_tries = 0;
                   2618:     if ($$record{'version'}) {
                   2619:         for (my $version=$$record{'version'};$version>=1;$version--) {
                   2620:             if (exists($$record{$version.':resource.'.$part.'.solved'})) {
                   2621:                 $timestamp = $$record{$version.':timestamp'};
                   2622:                 if ($timestamp > $last_reset) {
                   2623:                     $num_tries ++;
                   2624:                 } else {
                   2625:                     last;
                   2626:                 }
                   2627:             }
                   2628:         }
                   2629:     }
                   2630:     return $num_tries;
                   2631: }
                   2632: 
                   2633: # ----------- Determine decrements required in aggregate totals 
                   2634: sub decrement_aggs {
                   2635:     my ($symb,$part,$aggregate,$aggtries,$totaltries,$solvedstatus) = @_;
                   2636:     my %decrement = (
                   2637:                         attempts => 0,
                   2638:                         users => 0,
                   2639:                         correct => 0
                   2640:                     );
                   2641:     $decrement{'attempts'} = $aggtries;
                   2642:     if ($solvedstatus =~ /^correct/) {
                   2643:         $decrement{'correct'} = 1;
                   2644:     }
                   2645:     if ($aggtries == $totaltries) {
                   2646:         $decrement{'users'} = 1;
                   2647:     }
                   2648:     foreach my $type (keys (%decrement)) {
                   2649:         $$aggregate{$symb."\0".$part."\0".$type} = -$decrement{$type};
                   2650:     }
                   2651:     return;
                   2652: }
                   2653: 
                   2654: # ----------- Determine timestamps for last reset of aggregate totals for parts  
                   2655: sub get_last_resets {
1.270     albertel 2656:     my ($symb,$courseid,$partids) =@_;
                   2657:     my %last_resets;
1.269     raeburn  2658:     my $cdom = $env{'course.'.$courseid.'.domain'};
                   2659:     my $cname = $env{'course.'.$courseid.'.num'};
1.271     albertel 2660:     my @keys;
                   2661:     foreach my $part (@{$partids}) {
                   2662: 	push(@keys,"$symb\0$part\0resettime");
                   2663:     }
                   2664:     my %results=&Apache::lonnet::get('nohist_resourcetracker',\@keys,
                   2665: 				     $cdom,$cname);
                   2666:     foreach my $part (@{$partids}) {
                   2667: 	$last_resets{$part}=$results{"$symb\0$part\0resettime"};
1.269     raeburn  2668:     }
1.270     albertel 2669:     return %last_resets;
1.269     raeburn  2670: }
                   2671: 
1.251     banghart 2672: # ----------- Handles creating versions for portfolio files as answers
                   2673: sub version_portfiles {
1.343     banghart 2674:     my ($record, $parts_graded, $courseid, $symb, $domain, $stu_name, $v_flag) = @_;
1.263     banghart 2675:     my $version_parts = join('|',@$v_flag);
1.343     banghart 2676:     my @returned_keys;
1.255     banghart 2677:     my $parts = join('|', @$parts_graded);
1.359     www      2678:     my $portfolio_root = &propath($domain,$stu_name).
                   2679: 	'/userfiles/portfolio';
1.277     albertel 2680:     foreach my $key (keys(%$record)) {
1.259     banghart 2681:         my $new_portfiles;
1.263     banghart 2682:         if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) {
1.342     banghart 2683:             my @versioned_portfiles;
1.367     albertel 2684:             my @portfiles = split(/\s*,\s*/,$$record{$key});
1.252     banghart 2685:             foreach my $file (@portfiles) {
1.306     banghart 2686:                 &Apache::lonnet::unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
1.304     albertel 2687:                 my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
                   2688: 		my ($answer_name,$answer_ver,$answer_ext) =
                   2689: 		    &file_name_version_ext($answer_file);
1.306     banghart 2690:                 my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root);
1.342     banghart 2691:                 my $version = &get_next_version($answer_name, $answer_ext, \@dir_list);
1.306     banghart 2692:                 my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version);
                   2693:                 if ($new_answer ne 'problem getting file') {
1.342     banghart 2694:                     push(@versioned_portfiles, $directory.$new_answer);
1.306     banghart 2695:                     &Apache::lonnet::mark_as_readonly($domain,$stu_name,
1.367     albertel 2696:                         [$directory.$new_answer],
1.306     banghart 2697:                         [$symb,$env{'request.course.id'},'graded']);
1.259     banghart 2698:                 }
1.252     banghart 2699:             }
1.343     banghart 2700:             $$record{$key} = join(',',@versioned_portfiles);
                   2701:             push(@returned_keys,$key);
1.251     banghart 2702:         }
                   2703:     } 
1.343     banghart 2704:     return (@returned_keys);   
1.305     banghart 2705: }
                   2706: 
1.307     banghart 2707: sub get_next_version {
1.341     banghart 2708:     my ($answer_name, $answer_ext, $dir_list) = @_;
1.307     banghart 2709:     my $version;
                   2710:     foreach my $row (@$dir_list) {
                   2711:         my ($file) = split(/\&/,$row,2);
                   2712:         my ($file_name,$file_version,$file_ext) =
                   2713: 	    &file_name_version_ext($file);
                   2714:         if (($file_name eq $answer_name) && 
                   2715: 	    ($file_ext eq $answer_ext)) {
                   2716:                 # gets here if filename and extension match, regardless of version
                   2717:                 if ($file_version ne '') {
                   2718:                 # a versioned file is found  so save it for later
                   2719:                 if ($file_version > $version) {
                   2720: 		    $version = $file_version;
                   2721: 	        }
                   2722:             }
                   2723:         }
                   2724:     } 
                   2725:     $version ++;
                   2726:     return($version);
                   2727: }
                   2728: 
1.305     banghart 2729: sub version_selected_portfile {
1.306     banghart 2730:     my ($domain,$stu_name,$directory,$file_name,$version) = @_;
                   2731:     my ($answer_name,$answer_ver,$answer_ext) =
                   2732:         &file_name_version_ext($file_name);
                   2733:     my $new_answer;
                   2734:     $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
                   2735:     if($env{'form.copy'} eq '-1') {
                   2736:         &Apache::lonnet::logthis('problem getting file '.$file_name);
                   2737:         $new_answer = 'problem getting file';
                   2738:     } else {
                   2739:         $new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
                   2740:         my $copy_result = &Apache::lonnet::finishuserfileupload(
                   2741:                             $stu_name,$domain,'copy',
                   2742: 		        '/portfolio'.$directory.$new_answer);
                   2743:     }    
                   2744:     return ($new_answer);
1.251     banghart 2745: }
                   2746: 
1.304     albertel 2747: sub file_name_version_ext {
                   2748:     my ($file)=@_;
                   2749:     my @file_parts = split(/\./, $file);
                   2750:     my ($name,$version,$ext);
                   2751:     if (@file_parts > 1) {
                   2752: 	$ext=pop(@file_parts);
                   2753: 	if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
                   2754: 	    $version=pop(@file_parts);
                   2755: 	}
                   2756: 	$name=join('.',@file_parts);
                   2757:     } else {
                   2758: 	$name=join('.',@file_parts);
                   2759:     }
                   2760:     return($name,$version,$ext);
                   2761: }
                   2762: 
1.44      ng       2763: #--------------------------------------------------------------------------------------
                   2764: #
                   2765: #-------------------------- Next few routines handles grading by section or whole class
                   2766: #
                   2767: #--- Javascript to handle grading by section or whole class
1.42      ng       2768: sub viewgrades_js {
                   2769:     my ($request) = shift;
                   2770: 
1.41      ng       2771:     $request->print(<<VIEWJAVASCRIPT);
                   2772: <script type="text/javascript" language="javascript">
1.45      ng       2773:    function writePoint(partid,weight,point) {
1.125     ng       2774: 	var radioButton = document.classgrade["RADVAL_"+partid];
                   2775: 	var textbox = document.classgrade["TEXTVAL_"+partid];
1.42      ng       2776: 	if (point == "textval") {
1.125     ng       2777: 	    point = document.classgrade["TEXTVAL_"+partid].value;
1.109     matthew  2778: 	    if (isNaN(point) || parseFloat(point) < 0) {
                   2779: 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.42      ng       2780: 		var resetbox = false;
                   2781: 		for (var i=0; i<radioButton.length; i++) {
                   2782: 		    if (radioButton[i].checked) {
                   2783: 			textbox.value = i;
                   2784: 			resetbox = true;
                   2785: 		    }
                   2786: 		}
                   2787: 		if (!resetbox) {
                   2788: 		    textbox.value = "";
                   2789: 		}
                   2790: 		return;
                   2791: 	    }
1.109     matthew  2792: 	    if (parseFloat(point) > parseFloat(weight)) {
                   2793: 		var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       2794: 				   ") greater than the weight for the part. Accept?");
                   2795: 		if (resp == false) {
                   2796: 		    textbox.value = "";
                   2797: 		    return;
                   2798: 		}
                   2799: 	    }
1.42      ng       2800: 	    for (var i=0; i<radioButton.length; i++) {
                   2801: 		radioButton[i].checked=false;
1.109     matthew  2802: 		if (parseFloat(point) == i) {
1.42      ng       2803: 		    radioButton[i].checked=true;
                   2804: 		}
                   2805: 	    }
1.41      ng       2806: 
1.42      ng       2807: 	} else {
1.125     ng       2808: 	    textbox.value = parseFloat(point);
1.42      ng       2809: 	}
1.41      ng       2810: 	for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       2811: 	    var user = document.classgrade["ctr"+i].value;
1.289     albertel 2812: 	    user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       2813: 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   2814: 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   2815: 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       2816: 	    if (saveval != "correct") {
                   2817: 		scorename.value = point;
1.43      ng       2818: 		if (selname[0].selected != true) {
                   2819: 		    selname[0].selected = true;
                   2820: 		}
1.42      ng       2821: 	    }
                   2822: 	}
1.125     ng       2823: 	document.classgrade["SELVAL_"+partid][0].selected = true;
1.42      ng       2824:     }
                   2825: 
                   2826:     function writeRadText(partid,weight) {
1.125     ng       2827: 	var selval   = document.classgrade["SELVAL_"+partid];
                   2828: 	var radioButton = document.classgrade["RADVAL_"+partid];
1.265     www      2829:         var override = document.classgrade["FORCE_"+partid].checked;
1.125     ng       2830: 	var textbox = document.classgrade["TEXTVAL_"+partid];
                   2831: 	if (selval[1].selected || selval[2].selected) {
1.42      ng       2832: 	    for (var i=0; i<radioButton.length; i++) {
                   2833: 		radioButton[i].checked=false;
                   2834: 
                   2835: 	    }
                   2836: 	    textbox.value = "";
                   2837: 
                   2838: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       2839: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 2840: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       2841: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   2842: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   2843: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      2844: 		if ((saveval != "correct") || override) {
1.42      ng       2845: 		    scorename.value = "";
1.125     ng       2846: 		    if (selval[1].selected) {
                   2847: 			selname[1].selected = true;
                   2848: 		    } else {
                   2849: 			selname[2].selected = true;
                   2850: 			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
                   2851: 			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
                   2852: 		    }
1.42      ng       2853: 		}
                   2854: 	    }
1.43      ng       2855: 	} else {
                   2856: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       2857: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 2858: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       2859: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   2860: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   2861: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.265     www      2862: 		if ((saveval != "correct") || override) {
1.125     ng       2863: 		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
1.43      ng       2864: 		    selname[0].selected = true;
                   2865: 		}
                   2866: 	    }
                   2867: 	}	    
1.42      ng       2868:     }
                   2869: 
                   2870:     function changeSelect(partid,user) {
1.125     ng       2871: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   2872: 	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
1.44      ng       2873: 	var point  = textbox.value;
1.125     ng       2874: 	var weight = document.classgrade["weight_"+partid].value;
1.44      ng       2875: 
1.109     matthew  2876: 	if (isNaN(point) || parseFloat(point) < 0) {
                   2877: 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.44      ng       2878: 	    textbox.value = "";
                   2879: 	    return;
                   2880: 	}
1.109     matthew  2881: 	if (parseFloat(point) > parseFloat(weight)) {
                   2882: 	    var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       2883: 			       ") greater than the weight of the part. Accept?");
                   2884: 	    if (resp == false) {
                   2885: 		textbox.value = "";
                   2886: 		return;
                   2887: 	    }
                   2888: 	}
1.42      ng       2889: 	selval[0].selected = true;
                   2890:     }
                   2891: 
                   2892:     function changeOneScore(partid,user) {
1.125     ng       2893: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   2894: 	if (selval[1].selected || selval[2].selected) {
                   2895: 	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
                   2896: 	    if (selval[2].selected) {
                   2897: 		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
                   2898: 	    }
1.269     raeburn  2899:         }
1.42      ng       2900:     }
                   2901: 
                   2902:     function resetEntry(numpart) {
                   2903: 	for (ctpart=0;ctpart<numpart;ctpart++) {
1.125     ng       2904: 	    var partid = document.classgrade["partid_"+ctpart].value;
                   2905: 	    var radioButton = document.classgrade["RADVAL_"+partid];
                   2906: 	    var textbox = document.classgrade["TEXTVAL_"+partid];
                   2907: 	    var selval  = document.classgrade["SELVAL_"+partid];
1.42      ng       2908: 	    for (var i=0; i<radioButton.length; i++) {
                   2909: 		radioButton[i].checked=false;
                   2910: 
                   2911: 	    }
                   2912: 	    textbox.value = "";
                   2913: 	    selval[0].selected = true;
                   2914: 
                   2915: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       2916: 		var user = document.classgrade["ctr"+i].value;
1.289     albertel 2917: 		user = user.replace(new RegExp(':', 'g'),"_");
1.125     ng       2918: 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   2919: 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
                   2920: 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
                   2921: 		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
                   2922: 		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   2923: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       2924: 		if (saveselval == "excused") {
1.43      ng       2925: 		    if (selname[1].selected == false) { selname[1].selected = true;}
1.42      ng       2926: 		} else {
1.43      ng       2927: 		    if (selname[0].selected == false) {selname[0].selected = true};
1.42      ng       2928: 		}
                   2929: 	    }
1.41      ng       2930: 	}
1.42      ng       2931:     }
                   2932: 
1.41      ng       2933: </script>
                   2934: VIEWJAVASCRIPT
1.42      ng       2935: }
                   2936: 
1.44      ng       2937: #--- show scores for a section or whole class w/ option to change/update a score
1.42      ng       2938: sub viewgrades {
                   2939:     my ($request) = shift;
                   2940:     &viewgrades_js($request);
1.41      ng       2941: 
1.324     albertel 2942:     my ($symb) = &get_symb($request);
1.168     albertel 2943:     #need to make sure we have the correct data for later EXT calls, 
                   2944:     #thus invalidate the cache
                   2945:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 2946:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   2947:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 2948:     &Apache::lonnet::clear_EXT_cache_status();
                   2949: 
1.398     albertel 2950:     my $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>';
                   2951:     $result.='<h4><b>Current Resource: </b>'.$env{'form.probTitle'}.'</h4>'."\n";
1.41      ng       2952: 
                   2953:     #view individual student submission form - called using Javascript viewOneStudent
1.324     albertel 2954:     $result.=&jscriptNform($symb);
1.41      ng       2955: 
1.44      ng       2956:     #beginning of class grading form
1.41      ng       2957:     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
1.418     albertel 2958: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.38      ng       2959: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
1.257     albertel 2960: 	'<input type="hidden" name="section" value="'.$env{'form.section'}.'" />'."\n".
                   2961: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
                   2962: 	'<input type="hidden" name="Status" value="'.$env{'form.Status'}.'" />'."\n".
                   2963: 	'<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
1.72      ng       2964: 
1.126     ng       2965:     my $sectionClass;
1.257     albertel 2966:     if ($env{'form.section'} eq 'all') {
1.126     ng       2967: 	$sectionClass='Class </h3>';
1.257     albertel 2968:     } elsif ($env{'form.section'} eq 'none') {
1.126     ng       2969: 	$sectionClass='Students in no Section </h3>';
1.52      albertel 2970:     } else {
1.257     albertel 2971: 	$sectionClass='Students in Section '.$env{'form.section'}.'</h3>';
1.52      albertel 2972:     }
1.126     ng       2973:     $result.='<h3>Assign Common Grade To '.$sectionClass;
1.52      albertel 2974:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
                   2975: 	'<table border=0><tr bgcolor="#ffffdd"><td>';
1.44      ng       2976:     #radio buttons/text box for assigning points for a section or class.
                   2977:     #handles different parts of a problem
1.375     albertel 2978:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
1.42      ng       2979:     my %weight = ();
                   2980:     my $ctsparts = 0;
1.41      ng       2981:     $result.='<table border="0">';
1.45      ng       2982:     my %seen = ();
1.375     albertel 2983:     my @part_response_id = &flatten_responseType($responseType);
                   2984:     foreach my $part_response_id (@part_response_id) {
                   2985:     	my ($partid,$respid) = @{ $part_response_id };
                   2986: 	my $part_resp = join('_',@{ $part_response_id });
1.45      ng       2987: 	next if $seen{$partid};
                   2988: 	$seen{$partid}++;
1.375     albertel 2989: 	my $handgrade=$$handgrade{$part_resp};
1.42      ng       2990: 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
                   2991: 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
                   2992: 
1.44      ng       2993: 	$result.='<input type="hidden" name="partid_'.
                   2994: 	    $ctsparts.'" value="'.$partid.'" />'."\n";
                   2995: 	$result.='<input type="hidden" name="weight_'.
                   2996: 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
1.324     albertel 2997: 	my $display_part=&get_display_part($partid,$symb);
1.207     albertel 2998: 	$result.='<tr><td><b>Part:</b> '.$display_part.'&nbsp; &nbsp;<b>Point:</b> </td><td>';
1.42      ng       2999: 	$result.='<table border="0"><tr>';  
1.41      ng       3000: 	my $ctr = 0;
1.42      ng       3001: 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
1.288     albertel 3002: 	    $result.= '<td><label><input type="radio" name="RADVAL_'.$partid.'" '.
1.54      albertel 3003: 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
1.288     albertel 3004: 		','.$ctr.')" />'.$ctr."</label></td>\n";
1.41      ng       3005: 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
                   3006: 	    $ctr++;
                   3007: 	}
                   3008: 	$result.='</tr></table>';
1.44      ng       3009: 	$result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
1.54      albertel 3010: 	    $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
                   3011: 		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
1.42      ng       3012: 	    $weight{$partid}.' (problem weight)</td>'."\n";
                   3013: 	$result.= '</td><td><select name="SELVAL_'.$partid.'"'.
1.54      albertel 3014: 	    'onChange="javascript:writeRadText(\''.$partid.'\','.
1.59      albertel 3015: 		$weight{$partid}.')"> '.
1.401     albertel 3016: 	    '<option selected="selected"> </option>'.
1.125     ng       3017: 	    '<option>excused</option>'.
1.265     www      3018: 	    '<option>reset status</option></select></td>'.
1.266     albertel 3019:             '<td><label><input type="checkbox" name="FORCE_'.$partid.'" /> Override "Correct"</label></td></tr>'."\n";
1.42      ng       3020: 	$ctsparts++;
1.41      ng       3021:     }
1.52      albertel 3022:     $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
                   3023: 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
1.391     banghart 3024:     $result.='<input type="button" value="Revert to Default" '.
1.417     albertel 3025: 	'onClick="javascript:resetEntry('.$ctsparts.');" target="_self" />';
1.41      ng       3026: 
1.44      ng       3027:     #table listing all the students in a section/class
                   3028:     #header of table
1.126     ng       3029:     $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
1.42      ng       3030:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
1.126     ng       3031: 	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
1.129     ng       3032: 	'<td>'.&nameUserString('header')."</td>\n";
1.324     albertel 3033:     my (@parts) = sort(&getpartlist($symb));
                   3034:     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
1.269     raeburn  3035:     my @partids = ();
1.41      ng       3036:     foreach my $part (@parts) {
                   3037: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
1.126     ng       3038: 	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
1.41      ng       3039: 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
1.207     albertel 3040: 	my ($partid) = &split_part_type($part);
1.269     raeburn  3041:         push(@partids, $partid);
1.324     albertel 3042: 	my $display_part=&get_display_part($partid,$symb);
1.41      ng       3043: 	if ($display =~ /^Partial Credit Factor/) {
1.207     albertel 3044: 	    $result.='<td><b>Score Part:</b> '.$display_part.
                   3045: 		' <br /><b>(weight = '.$weight{$partid}.')</b></td>'."\n";
1.41      ng       3046: 	    next;
1.207     albertel 3047: 	} else {
                   3048: 	    $display =~s/\[Part: \Q$partid\E\]/Part:<\/b> $display_part/;
1.41      ng       3049: 	}
1.53      albertel 3050: 	$display =~ s|Problem Status|Grade Status<br />|;
1.207     albertel 3051: 	$result.='<td><b>'.$display.'</td>'."\n";
1.41      ng       3052:     }
                   3053:     $result.='</tr>';
1.44      ng       3054: 
1.270     albertel 3055:     my %last_resets = 
                   3056: 	&get_last_resets($symb,$env{'request.course.id'},\@partids);
1.269     raeburn  3057: 
1.41      ng       3058:     #get info for each student
1.44      ng       3059:     #list all the students - with points and grade status
1.257     albertel 3060:     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
1.41      ng       3061:     my $ctr = 0;
1.294     albertel 3062:     foreach (sort 
                   3063: 	     {
                   3064: 		 if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   3065: 		     return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   3066: 		 }
                   3067: 		 return $a cmp $b;
                   3068: 	     } (keys(%$fullname))) {
1.126     ng       3069: 	$ctr++;
1.324     albertel 3070: 	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
1.269     raeburn  3071: 				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
1.41      ng       3072:     }
                   3073:     $result.='</table></td></tr></table>';
                   3074:     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
1.126     ng       3075:     $result.='<input type="button" value="Save" '.
1.417     albertel 3076: 	'onClick="javascript:submit();" target="_self" /></form>'."\n";
1.96      albertel 3077:     if (scalar(%$fullname) eq 0) {
                   3078: 	my $colspan=3+scalar(@parts);
1.398     albertel 3079: 	$result='<span class="LC_warning">There are no students in section "'.$env{'form.section'}.
                   3080: 	    '" with enrollment status "'.$env{'form.Status'}.'" to modify or grade.</span>';
1.96      albertel 3081:     }
1.324     albertel 3082:     $result.=&show_grading_menu_form($symb);
1.41      ng       3083:     return $result;
                   3084: }
                   3085: 
1.44      ng       3086: #--- call by previous routine to display each student
1.41      ng       3087: sub viewstudentgrade {
1.324     albertel 3088:     my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
1.44      ng       3089:     my ($uname,$udom) = split(/:/,$student);
                   3090:     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
1.269     raeburn  3091:     my %aggregates = (); 
1.233     albertel 3092:     my $result='<tr bgcolor="#ffffdd"><td align="right">'.
                   3093: 	'<input type="hidden" name="ctr'.($ctr-1).'" value="'.$student.'" />'.
                   3094: 	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
1.44      ng       3095: 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.417     albertel 3096: 	'\');" target="_self">'.$fullname.'</a> '.
1.398     albertel 3097: 	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
1.281     albertel 3098:     $student=~s/:/_/; # colon doen't work in javascript for names
1.63      albertel 3099:     foreach my $apart (@$parts) {
                   3100: 	my ($part,$type) = &split_part_type($apart);
1.41      ng       3101: 	my $score=$record{"resource.$part.$type"};
1.276     albertel 3102:         $result.='<td align="center">';
1.269     raeburn  3103:         my ($aggtries,$totaltries);
                   3104:         unless (exists($aggregates{$part})) {
1.270     albertel 3105: 	    $totaltries = $record{'resource.'.$part.'.tries'};
                   3106: 
                   3107: 	    $aggtries = $totaltries;
1.269     raeburn  3108:             if ($$last_resets{$part}) {  
1.270     albertel 3109:                 $aggtries = &get_num_tries(\%record,$$last_resets{$part},
                   3110: 					   $part);
                   3111:             }
1.269     raeburn  3112:             $result.='<input type="hidden" name="'.
                   3113:                 'GD_'.$student.'_'.$part.'_aggtries" value="'.$aggtries.'" />'."\n";
                   3114:             $result.='<input type="hidden" name="'.
                   3115:                 'GD_'.$student.'_'.$part.'_totaltries" value="'.$totaltries.'" />'."\n";
                   3116:             $aggregates{$part} = 1;
                   3117:         }
1.41      ng       3118: 	if ($type eq 'awarded') {
1.320     albertel 3119: 	    my $pts = $score eq '' ? '' : &compute_points($score,$$weight{$part});
1.42      ng       3120: 	    $result.='<input type="hidden" name="'.
1.89      albertel 3121: 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
1.233     albertel 3122: 	    $result.='<input type="text" name="'.
1.89      albertel 3123: 		'GD_'.$student.'_'.$part.'_awarded" '.
                   3124: 		'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
1.44      ng       3125: 		'\')" value="'.$pts.'" size="4" /></td>'."\n";
1.41      ng       3126: 	} elsif ($type eq 'solved') {
                   3127: 	    my ($status,$foo)=split(/_/,$score,2);
                   3128: 	    $status = 'nothing' if ($status eq '');
1.89      albertel 3129: 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
1.54      albertel 3130: 		$part.'_solved_s" value="'.$status.'" />'."\n";
1.233     albertel 3131: 	    $result.='&nbsp;<select name="'.
1.89      albertel 3132: 		'GD_'.$student.'_'.$part.'_solved" '.
                   3133: 		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
1.401     albertel 3134: 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="selected">excused</option>' 
                   3135: 		: '<option selected="selected"> </option><option>excused</option>')."\n";
1.125     ng       3136: 	    $result.='<option>reset status</option>';
1.126     ng       3137: 	    $result.="</select>&nbsp;</td>\n";
1.122     ng       3138: 	} else {
                   3139: 	    $result.='<input type="hidden" name="'.
                   3140: 		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
                   3141: 		    "\n";
1.233     albertel 3142: 	    $result.='<input type="text" name="'.
1.122     ng       3143: 		'GD_'.$student.'_'.$part.'_'.$type.'" '.
                   3144: 		'value="'.$score.'" size="4" /></td>'."\n";
1.41      ng       3145: 	}
                   3146:     }
                   3147:     $result.='</tr>';
                   3148:     return $result;
1.38      ng       3149: }
                   3150: 
1.44      ng       3151: #--- change scores for all the students in a section/class
                   3152: #    record does not get update if unchanged
1.38      ng       3153: sub editgrades {
1.41      ng       3154:     my ($request) = @_;
                   3155: 
1.324     albertel 3156:     my $symb=&get_symb($request);
1.398     albertel 3157:     my $title='<h3><span class="LC_info">Current Grade Status</span></h3>';
                   3158:     $title.='<h4><b>Current Resource: </b>'.$env{'form.probTitle'}.'</h4><br />'."\n";
                   3159:     $title.='<h4><b>Section: </b>'.$env{'form.section'}.'</h4>'."\n";
1.126     ng       3160: 
1.44      ng       3161:     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
1.129     ng       3162:     $result.= '<table border="0"><tr bgcolor="#deffff">'.
                   3163: 	'<td rowspan=2 valign="center">&nbsp;<b>No.</b>&nbsp;</td>'.
                   3164: 	'<td rowspan=2 valign="center">'.&nameUserString('header')."</td>\n";
1.43      ng       3165: 
                   3166:     my %scoreptr = (
                   3167: 		    'correct'  =>'correct_by_override',
                   3168: 		    'incorrect'=>'incorrect_by_override',
                   3169: 		    'excused'  =>'excused',
                   3170: 		    'ungraded' =>'ungraded_attempted',
                   3171: 		    'nothing'  => '',
                   3172: 		    );
1.257     albertel 3173:     my ($classlist,undef,$fullname) = &getclasslist($env{'form.section'},'0');
1.34      ng       3174: 
1.44      ng       3175:     my (@partid);
                   3176:     my %weight = ();
1.54      albertel 3177:     my %columns = ();
1.44      ng       3178:     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
1.54      albertel 3179: 
1.324     albertel 3180:     my (@parts) = sort(&getpartlist($symb));
1.54      albertel 3181:     my $header;
1.257     albertel 3182:     while ($ctr < $env{'form.totalparts'}) {
                   3183: 	my $partid = $env{'form.partid_'.$ctr};
1.44      ng       3184: 	push @partid,$partid;
1.257     albertel 3185: 	$weight{$partid} = $env{'form.weight_'.$partid};
1.44      ng       3186: 	$ctr++;
1.54      albertel 3187:     }
1.324     albertel 3188:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.54      albertel 3189:     foreach my $partid (@partid) {
                   3190: 	$header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
                   3191: 	    '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
                   3192: 	$columns{$partid}=2;
                   3193: 	foreach my $stores (@parts) {
                   3194: 	    my ($part,$type) = &split_part_type($stores);
                   3195: 	    if ($part !~ m/^\Q$partid\E/) { next;}
                   3196: 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
                   3197: 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
                   3198: 	    $display =~ s/\[Part: (\w)+\]//;
1.125     ng       3199: 	    $display =~ s/Number of Attempts/Tries/;
                   3200: 	    $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
                   3201: 		'<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
1.54      albertel 3202: 	    $columns{$partid}+=2;
                   3203: 	}
                   3204:     }
                   3205:     foreach my $partid (@partid) {
1.324     albertel 3206: 	my $display_part=&get_display_part($partid,$symb);
1.54      albertel 3207: 	$result .= '<td colspan="'.$columns{$partid}.
1.207     albertel 3208: 	    '" align="center"><b>Part:</b> '.$display_part.
                   3209: 	    ' (Weight = '.$weight{$partid}.')</td>';
1.54      albertel 3210: 
1.44      ng       3211:     }
                   3212:     $result .= '</tr><tr bgcolor="#deffff">';
1.54      albertel 3213:     $result .= $header;
1.44      ng       3214:     $result .= '</tr>'."\n";
1.93      albertel 3215:     my $noupdate;
1.126     ng       3216:     my ($updateCtr,$noupdateCtr) = (1,1);
1.257     albertel 3217:     for ($i=0; $i<$env{'form.total'}; $i++) {
1.93      albertel 3218: 	my $line;
1.257     albertel 3219: 	my $user = $env{'form.ctr'.$i};
1.281     albertel 3220: 	my ($uname,$udom)=split(/:/,$user);
1.44      ng       3221: 	my %newrecord;
                   3222: 	my $updateflag = 0;
1.281     albertel 3223: 	$line .= '<td>'.&nameUserString(undef,$$fullname{$user},$uname,$udom).'</td>';
1.108     albertel 3224: 	my $usec=$classlist->{"$uname:$udom"}[5];
1.105     albertel 3225: 	if (!&canmodify($usec)) {
1.126     ng       3226: 	    my $numcols=scalar(@partid)*4+2;
1.399     albertel 3227: 	    $noupdate.=$line."<td colspan=\"$numcols\"><span class=\"LC_warning\">Not allowed to modify student</span></td></tr>";
1.105     albertel 3228: 	    next;
                   3229: 	}
1.269     raeburn  3230:         my %aggregate = ();
                   3231:         my $aggregateflag = 0;
1.281     albertel 3232: 	$user=~s/:/_/; # colon doen't work in javascript for names
1.44      ng       3233: 	foreach (@partid) {
1.257     albertel 3234: 	    my $old_aw    = $env{'form.GD_'.$user.'_'.$_.'_awarded_s'};
1.54      albertel 3235: 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
                   3236: 	    my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
1.257     albertel 3237: 	    my $old_score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
                   3238: 	    my $awarded   = $env{'form.GD_'.$user.'_'.$_.'_awarded'};
1.54      albertel 3239: 	    my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
                   3240: 	    my $partial   = $awarded eq '' ? '' : $pcr;
1.44      ng       3241: 	    my $score;
                   3242: 	    if ($partial eq '') {
1.257     albertel 3243: 		$score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}};
1.44      ng       3244: 	    } elsif ($partial > 0) {
                   3245: 		$score = 'correct_by_override';
                   3246: 	    } elsif ($partial == 0) {
                   3247: 		$score = 'incorrect_by_override';
                   3248: 	    }
1.257     albertel 3249: 	    my $dropMenu = $env{'form.GD_'.$user.'_'.$_.'_solved'};
1.125     ng       3250: 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
                   3251: 
1.292     albertel 3252: 	    $newrecord{'resource.'.$_.'.regrader'}=
                   3253: 		"$env{'user.name'}:$env{'user.domain'}";
1.125     ng       3254: 	    if ($dropMenu eq 'reset status' &&
                   3255: 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
1.299     albertel 3256: 		$newrecord{'resource.'.$_.'.tries'} = '';
1.125     ng       3257: 		$newrecord{'resource.'.$_.'.solved'} = '';
                   3258: 		$newrecord{'resource.'.$_.'.award'} = '';
1.299     albertel 3259: 		$newrecord{'resource.'.$_.'.awarded'} = '';
1.125     ng       3260: 		$updateflag = 1;
1.269     raeburn  3261:                 if ($env{'form.GD_'.$user.'_'.$_.'_aggtries'} > 0) {
                   3262:                     my $aggtries = $env{'form.GD_'.$user.'_'.$_.'_aggtries'};
                   3263:                     my $totaltries = $env{'form.GD_'.$user.'_'.$_.'_totaltries'};
                   3264:                     my $solvedstatus = $env{'form.GD_'.$user.'_'.$_.'_solved_s'};
                   3265:                     &decrement_aggs($symb,$_,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   3266:                     $aggregateflag = 1;
                   3267:                 }
1.139     albertel 3268: 	    } elsif (!($old_part eq $partial && $old_score eq $score)) {
                   3269: 		$updateflag = 1;
                   3270: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
                   3271: 		$newrecord{'resource.'.$_.'.solved'}   = $score;
                   3272: 		$rec_update++;
1.125     ng       3273: 	    }
                   3274: 
1.93      albertel 3275: 	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.44      ng       3276: 		'<td align="center">'.$awarded.
                   3277: 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
1.5       albertel 3278: 
1.54      albertel 3279: 
                   3280: 	    my $partid=$_;
                   3281: 	    foreach my $stores (@parts) {
                   3282: 		my ($part,$type) = &split_part_type($stores);
                   3283: 		if ($part !~ m/^\Q$partid\E/) { next;}
                   3284: 		if ($type eq 'awarded' || $type eq 'solved') { next; }
1.257     albertel 3285: 		my $old_aw    = $env{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
                   3286: 		my $awarded   = $env{'form.GD_'.$user.'_'.$part.'_'.$type};
1.54      albertel 3287: 		if ($awarded ne '' && $awarded ne $old_aw) {
                   3288: 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
1.257     albertel 3289: 		    $newrecord{'resource.'.$part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}";
1.54      albertel 3290: 		    $updateflag=1;
                   3291: 		}
1.93      albertel 3292: 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.54      albertel 3293: 		    '<td align="center">'.$awarded.'&nbsp;</td>';
                   3294: 	    }
1.44      ng       3295: 	}
1.93      albertel 3296: 	$line.='</tr>'."\n";
1.301     albertel 3297: 
                   3298: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3299: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3300: 
1.44      ng       3301: 	if ($updateflag) {
                   3302: 	    $count++;
1.257     albertel 3303: 	    &Apache::lonnet::cstore(\%newrecord,$symb,$env{'request.course.id'},
1.89      albertel 3304: 				    $udom,$uname);
1.301     albertel 3305: 
                   3306: 	    if (&Apache::bridgetask::in_queue('gradingqueue',$symb,$cdom,
                   3307: 					      $cnum,$udom,$uname)) {
                   3308: 		# need to figure out if should be in queue.
                   3309: 		my %record =  
                   3310: 		    &Apache::lonnet::restore($symb,$env{'request.course.id'},
                   3311: 					     $udom,$uname);
                   3312: 		my $all_graded = 1;
                   3313: 		my $none_graded = 1;
                   3314: 		foreach my $part (@parts) {
                   3315: 		    if ( $record{'resource.'.$part.'.awarded'} eq '' ) {
                   3316: 			$all_graded = 0;
                   3317: 		    } else {
                   3318: 			$none_graded = 0;
                   3319: 		    }
                   3320: 		}
                   3321: 
                   3322: 		if ($all_graded || $none_graded) {
                   3323: 		    &Apache::bridgetask::remove_from_queue('gradingqueue',
                   3324: 							   $symb,$cdom,$cnum,
                   3325: 							   $udom,$uname);
                   3326: 		}
                   3327: 	    }
                   3328: 
1.126     ng       3329: 	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
                   3330: 	    $updateCtr++;
1.93      albertel 3331: 	} else {
1.126     ng       3332: 	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
                   3333: 	    $noupdateCtr++;
1.44      ng       3334: 	}
1.269     raeburn  3335:         if ($aggregateflag) {
                   3336:             &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
1.301     albertel 3337: 				  $cdom,$cnum);
1.269     raeburn  3338:         }
1.93      albertel 3339:     }
                   3340:     if ($noupdate) {
1.126     ng       3341: #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
                   3342: 	my $numcols=scalar(@partid)*4+2;
1.204     albertel 3343: 	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr><tr bgcolor="#ffffde">'.$noupdate;
1.44      ng       3344:     }
1.72      ng       3345:     $result .= '</table></td></tr></table>'."\n".
1.324     albertel 3346: 	&show_grading_menu_form ($symb);
1.125     ng       3347:     my $msg = '<br /><b>Number of records updated = '.$rec_update.
1.44      ng       3348: 	' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
1.257     albertel 3349: 	'<b>Total number of students = '.$env{'form.total'}.'</b><br />';
1.44      ng       3350:     return $title.$msg.$result;
1.5       albertel 3351: }
1.54      albertel 3352: 
                   3353: sub split_part_type {
                   3354:     my ($partstr) = @_;
                   3355:     my ($temp,@allparts)=split(/_/,$partstr);
                   3356:     my $type=pop(@allparts);
                   3357:     my $part=join('.',@allparts);
                   3358:     return ($part,$type);
                   3359: }
                   3360: 
1.44      ng       3361: #------------- end of section for handling grading by section/class ---------
                   3362: #
                   3363: #----------------------------------------------------------------------------
                   3364: 
1.5       albertel 3365: 
1.44      ng       3366: #----------------------------------------------------------------------------
                   3367: #
                   3368: #-------------------------- Next few routines handles grading by csv upload
                   3369: #
                   3370: #--- Javascript to handle csv upload
1.27      albertel 3371: sub csvupload_javascript_reverse_associate {
1.246     albertel 3372:     my $error1=&mt('You need to specify the username or ID');
                   3373:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 3374:   return(<<ENDPICK);
                   3375:   function verify(vf) {
                   3376:     var foundsomething=0;
                   3377:     var founduname=0;
1.243     albertel 3378:     var foundID=0;
1.27      albertel 3379:     for (i=0;i<=vf.nfields.value;i++) {
                   3380:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 3381:       if (i==0 && tw!=0) { foundID=1; }
                   3382:       if (i==1 && tw!=0) { founduname=1; }
                   3383:       if (i!=0 && i!=1 && i!=2 && tw!=0) { foundsomething=1; }
1.27      albertel 3384:     }
1.246     albertel 3385:     if (founduname==0 && foundID==0) {
                   3386: 	alert('$error1');
                   3387: 	return;
1.27      albertel 3388:     }
                   3389:     if (foundsomething==0) {
1.246     albertel 3390: 	alert('$error2');
                   3391: 	return;
1.27      albertel 3392:     }
                   3393:     vf.submit();
                   3394:   }
                   3395:   function flip(vf,tf) {
                   3396:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   3397:     var i;
                   3398:     for (i=0;i<=vf.nfields.value;i++) {
                   3399:       //can not pick the same destination field for both name and domain
                   3400:       if (((i ==0)||(i ==1)) && 
                   3401:           ((tf==0)||(tf==1)) && 
                   3402:           (i!=tf) &&
                   3403:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   3404:         eval('vf.f'+i+'.selectedIndex=0;')
                   3405:       }
                   3406:     }
                   3407:   }
                   3408: ENDPICK
                   3409: }
                   3410: 
                   3411: sub csvupload_javascript_forward_associate {
1.246     albertel 3412:     my $error1=&mt('You need to specify the username or ID');
                   3413:     my $error2=&mt('You need to specify at least one grading field');
1.27      albertel 3414:   return(<<ENDPICK);
                   3415:   function verify(vf) {
                   3416:     var foundsomething=0;
                   3417:     var founduname=0;
1.243     albertel 3418:     var foundID=0;
1.27      albertel 3419:     for (i=0;i<=vf.nfields.value;i++) {
                   3420:       tw=eval('vf.f'+i+'.selectedIndex');
1.243     albertel 3421:       if (tw==1) { foundID=1; }
                   3422:       if (tw==2) { founduname=1; }
                   3423:       if (tw>3) { foundsomething=1; }
1.27      albertel 3424:     }
1.246     albertel 3425:     if (founduname==0 && foundID==0) {
                   3426: 	alert('$error1');
                   3427: 	return;
1.27      albertel 3428:     }
                   3429:     if (foundsomething==0) {
1.246     albertel 3430: 	alert('$error2');
                   3431: 	return;
1.27      albertel 3432:     }
                   3433:     vf.submit();
                   3434:   }
                   3435:   function flip(vf,tf) {
                   3436:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   3437:     var i;
                   3438:     //can not pick the same destination field twice
                   3439:     for (i=0;i<=vf.nfields.value;i++) {
                   3440:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   3441:         eval('vf.f'+i+'.selectedIndex=0;')
                   3442:       }
                   3443:     }
                   3444:   }
                   3445: ENDPICK
                   3446: }
                   3447: 
1.26      albertel 3448: sub csvuploadmap_header {
1.324     albertel 3449:     my ($request,$symb,$datatoken,$distotal)= @_;
1.41      ng       3450:     my $javascript;
1.257     albertel 3451:     if ($env{'form.upfile_associate'} eq 'reverse') {
1.41      ng       3452: 	$javascript=&csvupload_javascript_reverse_associate();
                   3453:     } else {
                   3454: 	$javascript=&csvupload_javascript_forward_associate();
                   3455:     }
1.45      ng       3456: 
1.324     albertel 3457:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.257     albertel 3458:     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
1.245     albertel 3459:     my $ignore=&mt('Ignore First Line');
1.418     albertel 3460:     $symb = &Apache::lonenc::check_encrypt($symb);
1.41      ng       3461:     $request->print(<<ENDPICK);
1.26      albertel 3462: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.398     albertel 3463: <h3><span class="LC_info">Uploading Class Grades</span></h3>
1.45      ng       3464: $result
1.326     albertel 3465: <hr />
1.26      albertel 3466: <h3>Identify fields</h3>
                   3467: Total number of records found in file: $distotal <hr />
                   3468: Enter as many fields as you can. The system will inform you and bring you back
                   3469: to this page if the data selected is insufficient to run your class.<hr />
                   3470: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1.245     albertel 3471: <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
1.26      albertel 3472: <input type="hidden" name="associate"  value="" />
                   3473: <input type="hidden" name="phase"      value="three" />
                   3474: <input type="hidden" name="datatoken"  value="$datatoken" />
1.257     albertel 3475: <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
                   3476: <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
1.26      albertel 3477: <input type="hidden" name="upfile_associate" 
1.257     albertel 3478:                                        value="$env{'form.upfile_associate'}" />
1.26      albertel 3479: <input type="hidden" name="symb"       value="$symb" />
1.257     albertel 3480: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
                   3481: <input type="hidden" name="probTitle"  value="$env{'form.probTitle'}" />
1.246     albertel 3482: <input type="hidden" name="command"    value="csvuploadoptions" />
1.26      albertel 3483: <hr />
                   3484: <script type="text/javascript" language="Javascript">
                   3485: $javascript
                   3486: </script>
                   3487: ENDPICK
1.118     ng       3488:     return '';
1.26      albertel 3489: 
                   3490: }
                   3491: 
                   3492: sub csvupload_fields {
1.324     albertel 3493:     my ($symb) = @_;
                   3494:     my (@parts) = &getpartlist($symb);
1.243     albertel 3495:     my @fields=(['ID','Student ID'],
                   3496: 		['username','Student Username'],
                   3497: 		['domain','Student Domain']);
1.324     albertel 3498:     my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb);
1.41      ng       3499:     foreach my $part (sort(@parts)) {
                   3500: 	my @datum;
                   3501: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
                   3502: 	my $name=$part;
                   3503: 	if  (!$display) { $display = $name; }
                   3504: 	@datum=($name,$display);
1.244     albertel 3505: 	if ($name=~/^stores_(.*)_awarded/) {
                   3506: 	    push(@fields,['stores_'.$1.'_points',"Points [Part: $1]"]);
                   3507: 	}
1.41      ng       3508: 	push(@fields,\@datum);
                   3509:     }
                   3510:     return (@fields);
1.26      albertel 3511: }
                   3512: 
                   3513: sub csvuploadmap_footer {
1.41      ng       3514:     my ($request,$i,$keyfields) =@_;
                   3515:     $request->print(<<ENDPICK);
1.26      albertel 3516: </table>
                   3517: <input type="hidden" name="nfields" value="$i" />
                   3518: <input type="hidden" name="keyfields" value="$keyfields" />
                   3519: <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
                   3520: </form>
                   3521: ENDPICK
                   3522: }
                   3523: 
1.283     albertel 3524: sub checkforfile_js {
1.86      ng       3525:     my $result =<<CSVFORMJS;
                   3526: <script type="text/javascript" language="javascript">
                   3527:     function checkUpload(formname) {
                   3528: 	if (formname.upfile.value == "") {
                   3529: 	    alert("Please use the browse button to select a file from your local directory.");
                   3530: 	    return false;
                   3531: 	}
                   3532: 	formname.submit();
                   3533:     }
                   3534:     </script>
                   3535: CSVFORMJS
1.283     albertel 3536:     return $result;
                   3537: }
                   3538: 
                   3539: sub upcsvScores_form {
                   3540:     my ($request) = shift;
1.324     albertel 3541:     my ($symb)=&get_symb($request);
1.283     albertel 3542:     if (!$symb) {return '';}
                   3543:     my $result=&checkforfile_js();
1.257     albertel 3544:     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
1.324     albertel 3545:     my ($table) = &showResourceInfo($symb,$env{'form.probTitle'});
1.118     ng       3546:     $result.=$table;
1.326     albertel 3547:     $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
                   3548:     $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
1.370     www      3549:     $result.='&nbsp;<b>'.&mt('Specify a file containing the class scores for current resource').
1.86      ng       3550: 	'.</b></td></tr>'."\n";
                   3551:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
1.370     www      3552:     my $upload=&mt("Upload Scores");
1.86      ng       3553:     my $upfile_select=&Apache::loncommon::upfile_select_html();
1.245     albertel 3554:     my $ignore=&mt('Ignore First Line');
1.418     albertel 3555:     $symb = &Apache::lonenc::check_encrypt($symb);
1.86      ng       3556:     $result.=<<ENDUPFORM;
1.106     albertel 3557: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.86      ng       3558: <input type="hidden" name="symb" value="$symb" />
                   3559: <input type="hidden" name="command" value="csvuploadmap" />
1.257     albertel 3560: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   3561: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
1.86      ng       3562: $upfile_select
1.370     www      3563: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="$upload" />
1.283     albertel 3564: <label><input type="checkbox" name="noFirstLine" />$ignore</label>
1.86      ng       3565: </form>
                   3566: ENDUPFORM
1.370     www      3567:     $result.=&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
                   3568:                            &mt("How do I create a CSV file from a spreadsheet"))
                   3569:     .'</td></tr></table>'."\n";
1.86      ng       3570:     $result.='</td></tr></table><br /><br />'."\n";
1.324     albertel 3571:     $result.=&show_grading_menu_form($symb);
1.86      ng       3572:     return $result;
                   3573: }
                   3574: 
                   3575: 
1.26      albertel 3576: sub csvuploadmap {
1.41      ng       3577:     my ($request)= @_;
1.324     albertel 3578:     my ($symb)=&get_symb($request);
1.41      ng       3579:     if (!$symb) {return '';}
1.72      ng       3580: 
1.41      ng       3581:     my $datatoken;
1.257     albertel 3582:     if (!$env{'form.datatoken'}) {
1.41      ng       3583: 	$datatoken=&Apache::loncommon::upfile_store($request);
1.26      albertel 3584:     } else {
1.257     albertel 3585: 	$datatoken=$env{'form.datatoken'};
1.41      ng       3586: 	&Apache::loncommon::load_tmp_file($request);
1.26      albertel 3587:     }
1.41      ng       3588:     my @records=&Apache::loncommon::upfile_record_sep();
1.257     albertel 3589:     if ($env{'form.noFirstLine'}) { shift(@records); }
1.324     albertel 3590:     &csvuploadmap_header($request,$symb,$datatoken,$#records+1);
1.41      ng       3591:     my ($i,$keyfields);
                   3592:     if (@records) {
1.324     albertel 3593: 	my @fields=&csvupload_fields($symb);
1.45      ng       3594: 
1.257     albertel 3595: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
1.41      ng       3596: 	    &Apache::loncommon::csv_print_samples($request,\@records);
                   3597: 	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
                   3598: 							  \@fields);
                   3599: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
                   3600: 	    chop($keyfields);
                   3601: 	} else {
                   3602: 	    unshift(@fields,['none','']);
                   3603: 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
                   3604: 							    \@fields);
1.311     banghart 3605:             foreach my $rec (@records) {
                   3606:                 my %temp = &Apache::loncommon::record_sep($rec);
                   3607:                 if (%temp) {
                   3608:                     $keyfields=join(',',sort(keys(%temp)));
                   3609:                     last;
                   3610:                 }
                   3611:             }
1.41      ng       3612: 	}
                   3613:     }
                   3614:     &csvuploadmap_footer($request,$i,$keyfields);
1.324     albertel 3615:     $request->print(&show_grading_menu_form($symb));
1.72      ng       3616: 
1.41      ng       3617:     return '';
1.27      albertel 3618: }
                   3619: 
1.246     albertel 3620: sub csvuploadoptions {
1.41      ng       3621:     my ($request)= @_;
1.324     albertel 3622:     my ($symb)=&get_symb($request);
1.257     albertel 3623:     my $checked=(($env{'form.noFirstLine'})?'1':'0');
1.246     albertel 3624:     my $ignore=&mt('Ignore First Line');
                   3625:     $request->print(<<ENDPICK);
                   3626: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.398     albertel 3627: <h3><span class="LC_info">Uploading Class Grade Options</span></h3>
1.246     albertel 3628: <input type="hidden" name="command"    value="csvuploadassign" />
1.302     albertel 3629: <!--
1.246     albertel 3630: <p>
                   3631: <label>
                   3632:    <input type="checkbox" name="show_full_results" />
                   3633:    Show a table of all changes
                   3634: </label>
                   3635: </p>
1.302     albertel 3636: -->
1.246     albertel 3637: <p>
                   3638: <label>
                   3639:    <input type="checkbox" name="overwite_scores" checked="checked" />
                   3640:    Overwrite any existing score
                   3641: </label>
                   3642: </p>
                   3643: ENDPICK
                   3644:     my %fields=&get_fields();
                   3645:     if (!defined($fields{'domain'})) {
1.257     albertel 3646: 	my $domform = &Apache::loncommon::select_dom_form($env{'request.role.domain'},'default_domain');
1.246     albertel 3647: 	$request->print("\n<p> Users are in domain: ".$domform."</p>\n");
                   3648:     }
1.257     albertel 3649:     foreach my $key (sort(keys(%env))) {
1.246     albertel 3650: 	if ($key !~ /^form\.(.*)$/) { next; }
                   3651: 	my $cleankey=$1;
                   3652: 	if ($cleankey eq 'command') { next; }
                   3653: 	$request->print('<input type="hidden" name="'.$cleankey.
1.257     albertel 3654: 			'"  value="'.$env{$key}.'" />'."\n");
1.246     albertel 3655:     }
                   3656:     # FIXME do a check for any duplicated user ids...
                   3657:     # FIXME do a check for any invalid user ids?...
1.290     albertel 3658:     $request->print('<input type="submit" value="Assign Grades" /><br />
                   3659: <hr /></form>'."\n");
1.324     albertel 3660:     $request->print(&show_grading_menu_form($symb));
1.246     albertel 3661:     return '';
                   3662: }
                   3663: 
                   3664: sub get_fields {
                   3665:     my %fields;
1.257     albertel 3666:     my @keyfields = split(/\,/,$env{'form.keyfields'});
                   3667:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
                   3668: 	if ($env{'form.upfile_associate'} eq 'reverse') {
                   3669: 	    if ($env{'form.f'.$i} ne 'none') {
                   3670: 		$fields{$keyfields[$i]}=$env{'form.f'.$i};
1.41      ng       3671: 	    }
                   3672: 	} else {
1.257     albertel 3673: 	    if ($env{'form.f'.$i} ne 'none') {
                   3674: 		$fields{$env{'form.f'.$i}}=$keyfields[$i];
1.41      ng       3675: 	    }
                   3676: 	}
1.27      albertel 3677:     }
1.246     albertel 3678:     return %fields;
                   3679: }
                   3680: 
                   3681: sub csvuploadassign {
                   3682:     my ($request)= @_;
1.324     albertel 3683:     my ($symb)=&get_symb($request);
1.246     albertel 3684:     if (!$symb) {return '';}
1.345     bowersj2 3685:     my $error_msg = '';
1.246     albertel 3686:     &Apache::loncommon::load_tmp_file($request);
                   3687:     my @gradedata = &Apache::loncommon::upfile_record_sep();
1.257     albertel 3688:     if ($env{'form.noFirstLine'}) { shift(@gradedata); }
1.246     albertel 3689:     my %fields=&get_fields();
1.41      ng       3690:     $request->print('<h3>Assigning Grades</h3>');
1.257     albertel 3691:     my $courseid=$env{'request.course.id'};
1.97      albertel 3692:     my ($classlist) = &getclasslist('all',0);
1.106     albertel 3693:     my @notallowed;
1.41      ng       3694:     my @skipped;
                   3695:     my $countdone=0;
                   3696:     foreach my $grade (@gradedata) {
                   3697: 	my %entries=&Apache::loncommon::record_sep($grade);
1.246     albertel 3698: 	my $domain;
                   3699: 	if ($entries{$fields{'domain'}}) {
                   3700: 	    $domain=$entries{$fields{'domain'}};
                   3701: 	} else {
1.257     albertel 3702: 	    $domain=$env{'form.default_domain'};
1.246     albertel 3703: 	}
1.243     albertel 3704: 	$domain=~s/\s//g;
1.41      ng       3705: 	my $username=$entries{$fields{'username'}};
1.160     albertel 3706: 	$username=~s/\s//g;
1.243     albertel 3707: 	if (!$username) {
                   3708: 	    my $id=$entries{$fields{'ID'}};
1.247     albertel 3709: 	    $id=~s/\s//g;
1.243     albertel 3710: 	    my %ids=&Apache::lonnet::idget($domain,$id);
                   3711: 	    $username=$ids{$id};
                   3712: 	}
1.41      ng       3713: 	if (!exists($$classlist{"$username:$domain"})) {
1.247     albertel 3714: 	    my $id=$entries{$fields{'ID'}};
                   3715: 	    $id=~s/\s//g;
                   3716: 	    if ($id) {
                   3717: 		push(@skipped,"$id:$domain");
                   3718: 	    } else {
                   3719: 		push(@skipped,"$username:$domain");
                   3720: 	    }
1.41      ng       3721: 	    next;
                   3722: 	}
1.108     albertel 3723: 	my $usec=$classlist->{"$username:$domain"}[5];
1.106     albertel 3724: 	if (!&canmodify($usec)) {
                   3725: 	    push(@notallowed,"$username:$domain");
                   3726: 	    next;
                   3727: 	}
1.244     albertel 3728: 	my %points;
1.41      ng       3729: 	my %grades;
                   3730: 	foreach my $dest (keys(%fields)) {
1.244     albertel 3731: 	    if ($dest eq 'ID' || $dest eq 'username' ||
                   3732: 		$dest eq 'domain') { next; }
                   3733: 	    if ($entries{$fields{$dest}} =~ /^\s*$/) { next; }
                   3734: 	    if ($dest=~/stores_(.*)_points/) {
                   3735: 		my $part=$1;
                   3736: 		my $wgt =&Apache::lonnet::EXT('resource.'.$part.'.weight',
                   3737: 					      $symb,$domain,$username);
1.345     bowersj2 3738:                 if ($wgt) {
                   3739:                     $entries{$fields{$dest}}=~s/\s//g;
                   3740:                     my $pcr=$entries{$fields{$dest}} / $wgt;
                   3741:                     my $award='correct_by_override';
                   3742:                     $grades{"resource.$part.awarded"}=$pcr;
                   3743:                     $grades{"resource.$part.solved"}=$award;
                   3744:                     $points{$part}=1;
                   3745:                 } else {
                   3746:                     $error_msg = "<br />" .
                   3747:                         &mt("Some point values were assigned"
                   3748:                             ." for problems with a weight "
                   3749:                             ."of zero. These values were "
                   3750:                             ."ignored.");
                   3751:                 }
1.244     albertel 3752: 	    } else {
                   3753: 		if ($dest=~/stores_(.*)_awarded/) { if ($points{$1}) {next;} }
                   3754: 		if ($dest=~/stores_(.*)_solved/)  { if ($points{$1}) {next;} }
                   3755: 		my $store_key=$dest;
                   3756: 		$store_key=~s/^stores/resource/;
                   3757: 		$store_key=~s/_/\./g;
                   3758: 		$grades{$store_key}=$entries{$fields{$dest}};
                   3759: 	    }
1.41      ng       3760: 	}
1.398     albertel 3761: 	if (! %grades) { push(@skipped,"$username:$domain no data to save"); }
1.257     albertel 3762: 	$grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
1.244     albertel 3763: #	&Apache::lonnet::logthis(" storing ".(join('-',%grades)));
1.302     albertel 3764: 	my $result=&Apache::lonnet::cstore(\%grades,$symb,
                   3765: 					   $env{'request.course.id'},
                   3766: 					   $domain,$username);
                   3767: 	if ($result eq 'ok') {
                   3768: 	    $request->print('.');
                   3769: 	} else {
                   3770: 	    $request->print("<p>
1.398     albertel 3771:                               <span class=\"LC_error\">
                   3772:                                  Failed to save student $username:$domain.
                   3773:                                  Message when trying to save was ($result)
                   3774:                               </span>
1.302     albertel 3775:                              </p>" );
                   3776: 	}
1.41      ng       3777: 	$request->rflush();
                   3778: 	$countdone++;
                   3779:     }
1.398     albertel 3780:     $request->print("<br />Saved $countdone students\n");
1.41      ng       3781:     if (@skipped) {
1.398     albertel 3782: 	$request->print('<p><h4><b>Skipped Students</b></h4></p>');
1.106     albertel 3783: 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
                   3784:     }
                   3785:     if (@notallowed) {
1.398     albertel 3786: 	$request->print('<p><span class="LC_error">Students Not Allowed to Modify</span></p>');
1.106     albertel 3787: 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
1.41      ng       3788:     }
1.106     albertel 3789:     $request->print("<br />\n");
1.324     albertel 3790:     $request->print(&show_grading_menu_form($symb));
1.345     bowersj2 3791:     return $error_msg;
1.26      albertel 3792: }
1.44      ng       3793: #------------- end of section for handling csv file upload ---------
                   3794: #
                   3795: #-------------------------------------------------------------------
                   3796: #
1.122     ng       3797: #-------------- Next few routines handle grading by page/sequence
1.72      ng       3798: #
                   3799: #--- Select a page/sequence and a student to grade
1.68      ng       3800: sub pickStudentPage {
                   3801:     my ($request) = shift;
                   3802: 
                   3803:     $request->print(<<LISTJAVASCRIPT);
                   3804: <script type="text/javascript" language="javascript">
                   3805: 
                   3806: function checkPickOne(formname) {
1.76      ng       3807:     if (radioSelection(formname.student) == null) {
1.68      ng       3808: 	alert("Please select the student you wish to grade.");
                   3809: 	return;
                   3810:     }
1.125     ng       3811:     ptr = pullDownSelection(formname.selectpage);
                   3812:     formname.page.value = formname["page"+ptr].value;
                   3813:     formname.title.value = formname["title"+ptr].value;
1.68      ng       3814:     formname.submit();
                   3815: }
                   3816: 
                   3817: </script>
                   3818: LISTJAVASCRIPT
1.118     ng       3819:     &commonJSfunctions($request);
1.324     albertel 3820:     my ($symb) = &get_symb($request);
1.257     albertel 3821:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   3822:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   3823:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
1.68      ng       3824: 
1.398     albertel 3825:     my $result='<h3><span class="LC_info">&nbsp;'.
                   3826: 	'Manual Grading by Page or Sequence</span></h3>';
1.68      ng       3827: 
1.80      ng       3828:     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
1.70      ng       3829:     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
1.74      albertel 3830:     my ($titles,$symbx) = &getSymbMap($request);
1.137     albertel 3831:     my ($curpage) =&Apache::lonnet::decode_symb($symb); 
                   3832: #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
                   3833: #    my $type=($curpage =~ /\.(page|sequence)/);
1.70      ng       3834:     my $ctr=0;
1.68      ng       3835:     foreach (@$titles) {
                   3836: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
1.70      ng       3837: 	$result.='<option value="'.$ctr.'" '.
1.401     albertel 3838: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.71      ng       3839: 	    '>'.$showtitle.'</option>'."\n";
1.70      ng       3840: 	$ctr++;
1.68      ng       3841:     }
1.326     albertel 3842:     $result.= '</select>'."<br />\n";
1.70      ng       3843:     $ctr=0;
                   3844:     foreach (@$titles) {
                   3845: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   3846: 	$result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
                   3847: 	$result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
                   3848: 	$ctr++;
                   3849:     }
1.72      ng       3850:     $result.='<input type="hidden" name="page" />'."\n".
                   3851: 	'<input type="hidden" name="title" />'."\n";
1.68      ng       3852: 
1.401     albertel 3853:     $result.='&nbsp;<b>View Problems Text: </b><label><input type="radio" name="vProb" value="no" checked="checked" /> no </label>'."\n".
1.288     albertel 3854: 	'<label><input type="radio" name="vProb" value="yes" /> yes </label>'."<br />\n";
1.72      ng       3855: 
1.71      ng       3856:     $result.='&nbsp;<b>Submission Details: </b>'.
1.288     albertel 3857: 	'<label><input type="radio" name="lastSub" value="none" /> none</label>'."\n".
1.401     albertel 3858: 	'<label><input type="radio" name="lastSub" value="datesub" checked="checked" /> by dates and submissions</label>'."\n".
1.288     albertel 3859: 	'<label><input type="radio" name="lastSub" value="all" /> all details</label>'."\n";
1.72      ng       3860: 
1.68      ng       3861:     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
1.257     albertel 3862: 	'<input type="hidden" name="Status"  value="'.$env{'form.Status'}.'" />'."\n".
1.72      ng       3863: 	'<input type="hidden" name="command" value="displayPage" />'."\n".
1.418     albertel 3864: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 3865: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."<br />\n";
1.72      ng       3866: 
1.382     albertel 3867:     $result.='&nbsp;<b>'.&mt('Use CODE:').' </b>'.
                   3868: 	'<input type="text" name="CODE" value="" /><br />'."\n";
                   3869: 
1.80      ng       3870:     $result.='&nbsp;<input type="button" '.
1.126     ng       3871: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
1.72      ng       3872: 
1.68      ng       3873:     $request->print($result);
                   3874: 
1.326     albertel 3875:     my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br />'.
1.68      ng       3876: 	'<table border="0"><tr><td bgcolor="#777777">'.
                   3877: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.126     ng       3878: 	'<td align="right">&nbsp;<b>No.</b></td>'.
1.129     ng       3879: 	'<td>'.&nameUserString('header').'</td>'.
1.126     ng       3880: 	'<td align="right">&nbsp;<b>No.</b></td>'.
1.129     ng       3881: 	'<td>'.&nameUserString('header').'</td></tr>';
1.68      ng       3882:  
1.76      ng       3883:     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
1.68      ng       3884:     my $ptr = 1;
1.294     albertel 3885:     foreach my $student (sort 
                   3886: 			 {
                   3887: 			     if (lc($$fullname{$a}) ne lc($$fullname{$b})) {
                   3888: 				 return (lc($$fullname{$a}) cmp lc($$fullname{$b}));
                   3889: 			     }
                   3890: 			     return $a cmp $b;
                   3891: 			 } (keys(%$fullname))) {
1.68      ng       3892: 	my ($uname,$udom) = split(/:/,$student);
1.126     ng       3893: 	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
                   3894: 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
1.288     albertel 3895: 	$studentTable.='<td>&nbsp;<label><input type="radio" name="student" value="'.$student.'" /> '
                   3896: 	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."</label>\n";
1.126     ng       3897: 	$studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
1.68      ng       3898: 	$ptr++;
                   3899:     }
1.381     albertel 3900:     $studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td></tr>' if ($ptr%2 == 0);
                   3901:     $studentTable.='</table></td></tr></table>'."\n";
1.126     ng       3902:     $studentTable.='<input type="button" '.
                   3903: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
1.68      ng       3904: 
1.324     albertel 3905:     $studentTable.=&show_grading_menu_form($symb);
1.68      ng       3906:     $request->print($studentTable);
                   3907: 
                   3908:     return '';
                   3909: }
                   3910: 
                   3911: sub getSymbMap {
1.74      albertel 3912:     my ($request) = @_;
1.132     bowersj2 3913:     my $navmap = Apache::lonnavmaps::navmap->new();
1.68      ng       3914: 
                   3915:     my %symbx = ();
                   3916:     my @titles = ();
1.117     bowersj2 3917:     my $minder = 0;
                   3918: 
                   3919:     # Gather every sequence that has problems.
1.240     albertel 3920:     my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); },
                   3921: 					       1,0,1);
1.117     bowersj2 3922:     for my $sequence ($navmap->getById('0.0'), @sequences) {
1.241     albertel 3923: 	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
1.381     albertel 3924: 	    my $title = $minder.'.'.
                   3925: 		&HTML::Entities::encode($sequence->compTitle(),'"\'&');
                   3926: 	    push(@titles, $title); # minder in case two titles are identical
                   3927: 	    $symbx{$title} = &HTML::Entities::encode($sequence->symb(),'"\'&');
1.117     bowersj2 3928: 	    $minder++;
1.241     albertel 3929: 	}
1.68      ng       3930:     }
                   3931:     return \@titles,\%symbx;
                   3932: }
                   3933: 
1.72      ng       3934: #
                   3935: #--- Displays a page/sequence w/wo problems, w/wo submissions
1.68      ng       3936: sub displayPage {
                   3937:     my ($request) = shift;
                   3938: 
1.324     albertel 3939:     my ($symb) = &get_symb($request);
1.257     albertel 3940:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   3941:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   3942:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   3943:     my $pageTitle = $env{'form.page'};
1.103     albertel 3944:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 3945:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   3946:     my $usec=$classlist->{$env{'form.student'}}[5];
1.168     albertel 3947: 
                   3948:     #need to make sure we have the correct data for later EXT calls, 
                   3949:     #thus invalidate the cache
                   3950:     &Apache::lonnet::devalidatecourseresdata(
1.257     albertel 3951:                  $env{'course.'.$env{'request.course.id'}.'.num'},
                   3952:                  $env{'course.'.$env{'request.course.id'}.'.domain'});
1.168     albertel 3953:     &Apache::lonnet::clear_EXT_cache_status();
                   3954: 
1.103     albertel 3955:     if (!&canview($usec)) {
1.398     albertel 3956: 	$request->print('<span class="LC_warning">Unable to view requested student.('.$env{'form.student'}.')</span>');
1.324     albertel 3957: 	$request->print(&show_grading_menu_form($symb));
1.103     albertel 3958: 	return;
                   3959:     }
1.398     albertel 3960:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.257     albertel 3961:     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom).
1.129     ng       3962: 	'</h3>'."\n";
1.382     albertel 3963:     if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
                   3964: 	$result.='<h3>&nbsp;CODE: '.$env{'form.CODE'}.'</h3>'."\n";
                   3965:     } else {
                   3966: 	delete($env{'form.CODE'});
                   3967:     }
1.71      ng       3968:     &sub_page_js($request);
                   3969:     $request->print($result);
                   3970: 
1.132     bowersj2 3971:     my $navmap = Apache::lonnavmaps::navmap->new();
1.257     albertel 3972:     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'});
1.68      ng       3973:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 3974:     if (!$map) {
1.398     albertel 3975: 	$request->print('<span class="LC_warning">Unable to view requested sequence. ('.$resUrl.')</span>');
1.324     albertel 3976: 	$request->print(&show_grading_menu_form($symb));
1.288     albertel 3977: 	return; 
                   3978:     }
1.68      ng       3979:     my $iterator = $navmap->getIterator($map->map_start(),
                   3980: 					$map->map_finish());
                   3981: 
1.71      ng       3982:     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
1.72      ng       3983: 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
1.257     albertel 3984: 	'<input type="hidden" name="fullname" value="'.$$fullname{$env{'form.student'}}.'" />'."\n".
                   3985: 	'<input type="hidden" name="student" value="'.$env{'form.student'}.'" />'."\n".
1.72      ng       3986: 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
1.257     albertel 3987: 	'<input type="hidden" name="title"   value="'.$env{'form.title'}.'" />'."\n".
1.418     albertel 3988: 	'<input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.125     ng       3989: 	'<input type="hidden" name="overRideScore" value="no" />'."\n".
1.257     albertel 3990: 	'<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n";
1.71      ng       3991: 
1.382     albertel 3992:     if (defined($env{'form.CODE'})) {
                   3993: 	$studentTable.=
                   3994: 	    '<input type="hidden" name="CODE" value="'.$env{'form.CODE'}.'" />'."\n";
                   3995:     }
1.381     albertel 3996:     my $checkIcon = '<img alt="'.&mt('Check Mark').
                   3997: 	'" src="'.$request->dir_config('lonIconsURL').
1.71      ng       3998: 	'/check.gif" height="16" border="0" />';
                   3999: 
1.118     ng       4000:     $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
                   4001: 	' symbol.'."\n".
1.71      ng       4002: 	'<table border="0"><tr><td bgcolor="#777777">'.
                   4003: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.118     ng       4004: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
1.257     albertel 4005: 	'<td><b>&nbsp;'.($env{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
1.71      ng       4006: 
1.329     albertel 4007:     &Apache::lonxml::clear_problem_counter();
1.196     albertel 4008:     my ($depth,$question,$prob) = (1,1,1);
1.68      ng       4009:     $iterator->next(); # skip the first BEGIN_MAP
                   4010:     my $curRes = $iterator->next(); # for "current resource"
1.101     albertel 4011:     while ($depth > 0) {
1.68      ng       4012:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4013:         if($curRes == $iterator->END_MAP) { $depth--; }
1.68      ng       4014: 
1.385     albertel 4015:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4016: 	    my $parts = $curRes->parts();
1.68      ng       4017:             my $title = $curRes->compTitle();
1.71      ng       4018: 	    my $symbx = $curRes->symb();
1.196     albertel 4019: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
1.326     albertel 4020: 		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
1.71      ng       4021: 	    $studentTable.='<td valign="top">';
1.382     albertel 4022: 	    my %form = ('CODE' => $env{'form.CODE'},);
1.257     albertel 4023: 	    if ($env{'form.vProb'} eq 'yes' ) {
1.144     albertel 4024: 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
1.383     albertel 4025: 					     undef,'both',\%form);
1.71      ng       4026: 	    } else {
1.382     albertel 4027: 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'},%form);
1.80      ng       4028: 		$companswer =~ s|<form(.*?)>||g;
                   4029: 		$companswer =~ s|</form>||g;
1.71      ng       4030: #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
1.116     ng       4031: #		    $companswer =~ s/$1/ /ms;
1.326     albertel 4032: #		    $request->print('match='.$1."<br />\n");
1.71      ng       4033: #		}
1.116     ng       4034: #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
1.326     albertel 4035: 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br />&nbsp;<b>Correct answer:</b><br />'.$companswer;
1.71      ng       4036: 	    }
                   4037: 
1.257     albertel 4038: 	    my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname);
1.125     ng       4039: 
1.257     albertel 4040: 	    if ($env{'form.lastSub'} eq 'datesub') {
1.71      ng       4041: 		if ($record{'version'} eq '') {
1.398     albertel 4042: 		    $studentTable.='<br />&nbsp;<span class="LC_warning">No recorded submission for this problem</span><br />';
1.71      ng       4043: 		} else {
1.116     ng       4044: 		    my %responseType = ();
                   4045: 		    foreach my $partid (@{$parts}) {
1.147     albertel 4046: 			my @responseIds =$curRes->responseIds($partid);
                   4047: 			my @responseType =$curRes->responseType($partid);
                   4048: 			my %responseIds;
                   4049: 			for (my $i=0;$i<=$#responseIds;$i++) {
                   4050: 			    $responseIds{$responseIds[$i]}=$responseType[$i];
                   4051: 			}
                   4052: 			$responseType{$partid} = \%responseIds;
1.116     ng       4053: 		    }
1.148     albertel 4054: 		    $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
1.147     albertel 4055: 
1.71      ng       4056: 		}
1.257     albertel 4057: 	    } elsif ($env{'form.lastSub'} eq 'all') {
                   4058: 		my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
1.71      ng       4059: 		$studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
1.257     albertel 4060: 									$env{'request.course.id'},
1.71      ng       4061: 									'','.submission');
                   4062:  
                   4063: 	    }
1.103     albertel 4064: 	    if (&canmodify($usec)) {
                   4065: 		foreach my $partid (@{$parts}) {
                   4066: 		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
                   4067: 		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
                   4068: 		    $question++;
                   4069: 		}
1.196     albertel 4070: 		$prob++;
1.71      ng       4071: 	    }
                   4072: 	    $studentTable.='</td></tr>';
1.68      ng       4073: 
1.103     albertel 4074: 	}
1.68      ng       4075:         $curRes = $iterator->next();
                   4076:     }
                   4077: 
1.381     albertel 4078:     $studentTable.='</table></td></tr></table>'."\n".
1.125     ng       4079: 	'<input type="button" value="Save" '.
1.381     albertel 4080: 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" />'.
1.71      ng       4081: 	'</form>'."\n";
1.324     albertel 4082:     $studentTable.=&show_grading_menu_form($symb);
1.71      ng       4083:     $request->print($studentTable);
                   4084: 
                   4085:     return '';
1.119     ng       4086: }
                   4087: 
                   4088: sub displaySubByDates {
1.148     albertel 4089:     my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
1.224     albertel 4090:     my $isCODE=0;
1.335     albertel 4091:     my $isTask = ($symb =~/\.task$/);
1.224     albertel 4092:     if (exists($record->{'resource.CODE'})) { $isCODE=1; }
1.119     ng       4093:     my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
                   4094: 	'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
                   4095: 	'<td><b>Date/Time</b></td>'.
1.224     albertel 4096: 	($isCODE?'<td><b>CODE</b></td>':'').
1.119     ng       4097: 	'<td><b>Submission</b></td>'.
                   4098: 	'<td><b>Status&nbsp;</b></td></tr>';
                   4099:     my ($version);
                   4100:     my %mark;
1.148     albertel 4101:     my %orders;
1.119     ng       4102:     $mark{'correct_by_student'} = $checkIcon;
1.147     albertel 4103:     if (!exists($$record{'1:timestamp'})) {
1.398     albertel 4104: 	return '<br />&nbsp;<span class="LC_warning">Nothing submitted - no attempts</span><br />';
1.147     albertel 4105:     }
1.335     albertel 4106: 
                   4107:     my $interaction;
1.119     ng       4108:     for ($version=1;$version<=$$record{'version'};$version++) {
                   4109: 	my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
1.335     albertel 4110: 	if (exists($$record{$version.':resource.0.version'})) {
                   4111: 	    $interaction = $$record{$version.':resource.0.version'};
                   4112: 	}
                   4113: 
                   4114: 	my $where = ($isTask ? "$version:resource.$interaction"
                   4115: 		             : "$version:resource");
                   4116: 	#&Apache::lonnet::logthis(" got $where");
1.119     ng       4117: 	$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
1.224     albertel 4118: 	if ($isCODE) {
                   4119: 	    $studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
                   4120: 	}
1.119     ng       4121: 	my @versionKeys = split(/\:/,$$record{$version.':keys'});
                   4122: 	my @displaySub = ();
                   4123: 	foreach my $partid (@{$parts}) {
1.335     albertel 4124: 	    my @matchKey = ($isTask ? sort(grep /^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys)
                   4125: 			            : sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys));
                   4126: 	    
                   4127: 
1.122     ng       4128: #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
1.324     albertel 4129: 	    my $display_part=&get_display_part($partid,$symb);
1.147     albertel 4130: 	    foreach my $matchKey (@matchKey) {
1.198     albertel 4131: 		if (exists($$record{$version.':'.$matchKey}) &&
                   4132: 		    $$record{$version.':'.$matchKey} ne '') {
1.335     albertel 4133: 
                   4134: 		    my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/)
                   4135: 				               : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/));
                   4136: 		    #&Apache::lonnet::logthis("match $matchKey $responseId (".$$record{$version.':'.$matchKey});
1.207     albertel 4137: 		    $displaySub[0].='<b>Part:</b>&nbsp;'.$display_part.'&nbsp;';
1.398     albertel 4138: 		    $displaySub[0].='<span class="LC_internal_info">(ID&nbsp;'.
                   4139: 			$responseId.')</span>&nbsp;<b>';
1.335     albertel 4140: 		    if ($$record{"$where.$partid.tries"} eq '') {
1.147     albertel 4141: 			$displaySub[0].='Trial&nbsp;not&nbsp;counted';
                   4142: 		    } else {
                   4143: 			$displaySub[0].='Trial&nbsp;'.
1.335     albertel 4144: 			    $$record{"$where.$partid.tries"};
1.147     albertel 4145: 		    }
1.335     albertel 4146: 		    my $responseType=($isTask ? 'Task'
                   4147:                                               : $responseType->{$partid}->{$responseId});
1.148     albertel 4148: 		    if (!exists($orders{$partid})) { $orders{$partid}={}; }
                   4149: 		    if (!exists($orders{$partid}->{$responseId})) {
                   4150: 			$orders{$partid}->{$responseId}=
                   4151: 			    &get_order($partid,$responseId,$symb,$uname,$udom);
                   4152: 		    }
1.147     albertel 4153: 		    $displaySub[0].='</b>&nbsp; '.
1.336     albertel 4154: 			&cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom).'<br />';
1.147     albertel 4155: 		}
                   4156: 	    }
1.335     albertel 4157: 	    if (exists($$record{"$where.$partid.checkedin"})) {
                   4158: 		$displaySub[1].='Checked in by '.
                   4159: 		    $$record{"$where.$partid.checkedin"}.' into slot '.
                   4160: 		    $$record{"$where.$partid.checkedin.slot"}.
                   4161: 		    '<br />';
                   4162: 	    }
                   4163: 	    if (exists $$record{"$where.$partid.award"}) {
1.207     albertel 4164: 		$displaySub[1].='<b>Part:</b>&nbsp;'.$display_part.' &nbsp;'.
1.335     albertel 4165: 		    lc($$record{"$where.$partid.award"}).' '.
                   4166: 		    $mark{$$record{"$where.$partid.solved"}}.
1.147     albertel 4167: 		    '<br />';
                   4168: 	    }
1.335     albertel 4169: 	    if (exists $$record{"$where.$partid.regrader"}) {
                   4170: 		$displaySub[2].=$$record{"$where.$partid.regrader"}.
                   4171: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
                   4172: 	    } elsif ($$record{"$version:resource.$partid.regrader"} =~ /\S/) {
                   4173: 		$displaySub[2].=
                   4174: 		    $$record{"$version:resource.$partid.regrader"}.
1.207     albertel 4175: 		    ' (<b>'.&mt('Part').':</b> '.$display_part.')';
1.147     albertel 4176: 	    }
                   4177: 	}
                   4178: 	# needed because old essay regrader has not parts info
                   4179: 	if (exists $$record{"$version:resource.regrader"}) {
                   4180: 	    $displaySub[2].=$$record{"$version:resource.regrader"};
                   4181: 	}
                   4182: 	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
                   4183: 	if ($displaySub[2]) {
                   4184: 	    $studentTable.='Manually graded by '.$displaySub[2];
                   4185: 	}
1.382     albertel 4186: 	$studentTable.='&nbsp;</td></tr>';
1.147     albertel 4187:     
1.119     ng       4188:     }
                   4189:     $studentTable.='</table></td></tr></table>';
                   4190:     return $studentTable;
1.71      ng       4191: }
                   4192: 
                   4193: sub updateGradeByPage {
                   4194:     my ($request) = shift;
                   4195: 
1.257     albertel 4196:     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
                   4197:     my $cnum      = $env{"course.$env{'request.course.id'}.num"};
                   4198:     my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
                   4199:     my $pageTitle = $env{'form.page'};
1.103     albertel 4200:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.257     albertel 4201:     my ($uname,$udom) = split(/:/,$env{'form.student'});
                   4202:     my $usec=$classlist->{$env{'form.student'}}[5];
1.103     albertel 4203:     if (!&canmodify($usec)) {
1.398     albertel 4204: 	$request->print('<span class="LC_warning">Unable to modify requested student.('.$env{'form.student'}.'</span>');
1.324     albertel 4205: 	$request->print(&show_grading_menu_form($env{'form.symb'}));
1.103     albertel 4206: 	return;
                   4207:     }
1.398     albertel 4208:     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
1.257     albertel 4209:     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).
1.129     ng       4210: 	'</h3>'."\n";
1.70      ng       4211: 
1.68      ng       4212:     $request->print($result);
                   4213: 
1.132     bowersj2 4214:     my $navmap = Apache::lonnavmaps::navmap->new();
1.257     albertel 4215:     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'});
1.71      ng       4216:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
1.288     albertel 4217:     if (!$map) {
1.398     albertel 4218: 	$request->print('<span class="LC_warning">Unable to grade requested sequence. ('.$resUrl.')</span>');
1.324     albertel 4219: 	my ($symb)=&get_symb($request);
                   4220: 	$request->print(&show_grading_menu_form($symb));
1.288     albertel 4221: 	return; 
                   4222:     }
1.71      ng       4223:     my $iterator = $navmap->getIterator($map->map_start(),
                   4224: 					$map->map_finish());
1.70      ng       4225: 
1.71      ng       4226:     my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
1.68      ng       4227: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.125     ng       4228: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
1.71      ng       4229: 	'<td><b>&nbsp;Title&nbsp;</b></td>'.
                   4230: 	'<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
                   4231: 	'<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
                   4232: 
                   4233:     $iterator->next(); # skip the first BEGIN_MAP
                   4234:     my $curRes = $iterator->next(); # for "current resource"
1.196     albertel 4235:     my ($depth,$question,$prob,$changeflag)= (1,1,1,0);
1.101     albertel 4236:     while ($depth > 0) {
1.71      ng       4237:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 4238:         if($curRes == $iterator->END_MAP) { $depth--; }
1.71      ng       4239: 
1.385     albertel 4240:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 4241: 	    my $parts = $curRes->parts();
1.71      ng       4242:             my $title = $curRes->compTitle();
                   4243: 	    my $symbx = $curRes->symb();
1.196     albertel 4244: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
1.326     albertel 4245: 		(scalar(@{$parts}) == 1 ? '' : '<br />('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
1.71      ng       4246: 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
                   4247: 
                   4248: 	    my %newrecord=();
                   4249: 	    my @displayPts=();
1.269     raeburn  4250:             my %aggregate = ();
                   4251:             my $aggregateflag = 0;
1.71      ng       4252: 	    foreach my $partid (@{$parts}) {
1.257     albertel 4253: 		my $newpts = $env{'form.GD_BOX'.$question.'_'.$partid};
                   4254: 		my $oldpts = $env{'form.oldpts'.$question.'_'.$partid};
1.71      ng       4255: 
1.257     albertel 4256: 		my $wgt = $env{'form.WGT'.$question.'_'.$partid} != 0 ? 
                   4257: 		    $env{'form.WGT'.$question.'_'.$partid} : 1;
1.71      ng       4258: 		my $partial = $newpts/$wgt;
                   4259: 		my $score;
                   4260: 		if ($partial > 0) {
                   4261: 		    $score = 'correct_by_override';
1.125     ng       4262: 		} elsif ($newpts ne '') { #empty is taken as 0
1.71      ng       4263: 		    $score = 'incorrect_by_override';
                   4264: 		}
1.257     albertel 4265: 		my $dropMenu = $env{'form.GD_SEL'.$question.'_'.$partid};
1.125     ng       4266: 		if ($dropMenu eq 'excused') {
1.71      ng       4267: 		    $partial = '';
                   4268: 		    $score = 'excused';
1.125     ng       4269: 		} elsif ($dropMenu eq 'reset status'
1.257     albertel 4270: 			 && $env{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
1.125     ng       4271: 		    $newrecord{'resource.'.$partid.'.tries'} = 0;
                   4272: 		    $newrecord{'resource.'.$partid.'.solved'} = '';
                   4273: 		    $newrecord{'resource.'.$partid.'.award'} = '';
                   4274: 		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
1.257     albertel 4275: 		    $newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}";
1.125     ng       4276: 		    $changeflag++;
                   4277: 		    $newpts = '';
1.269     raeburn  4278:                     
                   4279:                     my $aggtries =  $env{'form.aggtries'.$question.'_'.$partid};
                   4280:                     my $totaltries = $env{'form.totaltries'.$question.'_'.$partid};
                   4281:                     my $solvedstatus = $env{'form.solved'.$question.'_'.$partid};
                   4282:                     if ($aggtries > 0) {
                   4283:                         &decrement_aggs($symbx,$partid,\%aggregate,$aggtries,$totaltries,$solvedstatus);
                   4284:                         $aggregateflag = 1;
                   4285:                     }
1.71      ng       4286: 		}
1.324     albertel 4287: 		my $display_part=&get_display_part($partid,$curRes->symb());
1.257     albertel 4288: 		my $oldstatus = $env{'form.solved'.$question.'_'.$partid};
1.207     albertel 4289: 		$displayPts[0].='&nbsp;<b>Part:</b> '.$display_part.' = '.
1.71      ng       4290: 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
1.326     albertel 4291: 		    '&nbsp;<br />';
1.207     albertel 4292: 		$displayPts[1].='&nbsp;<b>Part:</b> '.$display_part.' = '.
1.125     ng       4293: 		     (($score eq 'excused') ? 'excused' : $newpts).
1.326     albertel 4294: 		    '&nbsp;<br />';
1.71      ng       4295: 		$question++;
1.380     albertel 4296: 		next if ($dropMenu eq 'reset status' || ($newpts eq $oldpts && $score ne 'excused'));
1.125     ng       4297: 
1.71      ng       4298: 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
1.125     ng       4299: 		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
1.257     albertel 4300: 		$newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}"
1.125     ng       4301: 		    if (scalar(keys(%newrecord)) > 0);
1.71      ng       4302: 
                   4303: 		$changeflag++;
                   4304: 	    }
                   4305: 	    if (scalar(keys(%newrecord)) > 0) {
1.382     albertel 4306: 		my %record = 
                   4307: 		    &Apache::lonnet::restore($symbx,$env{'request.course.id'},
                   4308: 					     $udom,$uname);
                   4309: 
                   4310: 		if (&Apache::lonnet::validCODE($env{'form.CODE'})) {
                   4311: 		    $newrecord{'resource.CODE'} = $env{'form.CODE'};
                   4312: 		} elsif (&Apache::lonnet::validCODE($record{'resource.CODE'})) {
                   4313: 		    $newrecord{'resource.CODE'} = '';
                   4314: 		}
1.257     albertel 4315: 		&Apache::lonnet::cstore(\%newrecord,$symbx,$env{'request.course.id'},
1.71      ng       4316: 					$udom,$uname);
1.382     albertel 4317: 		%record = &Apache::lonnet::restore($symbx,
                   4318: 						   $env{'request.course.id'},
                   4319: 						   $udom,$uname);
1.380     albertel 4320: 		&check_and_remove_from_queue($parts,\%record,undef,$symbx,
                   4321: 					     $cdom,$cnum,$udom,$uname);
1.71      ng       4322: 	    }
1.380     albertel 4323: 	    
1.269     raeburn  4324:             if ($aggregateflag) {
                   4325:                 &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
                   4326:                       $env{'course.'.$env{'request.course.id'}.'.domain'},
                   4327:                       $env{'course.'.$env{'request.course.id'}.'.num'});
                   4328:             }
1.125     ng       4329: 
1.71      ng       4330: 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
                   4331: 		'<td valign="top">'.$displayPts[1].'</td>'.
                   4332: 		'</tr>';
1.68      ng       4333: 
1.196     albertel 4334: 	    $prob++;
1.68      ng       4335: 	}
1.71      ng       4336:         $curRes = $iterator->next();
1.68      ng       4337:     }
1.98      albertel 4338: 
1.71      ng       4339:     $studentTable.='</td></tr></table></td></tr></table>';
1.324     albertel 4340:     $studentTable.=&show_grading_menu_form($env{'form.symb'});
1.76      ng       4341:     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
                   4342: 		  'The scores were changed for '.
                   4343: 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
                   4344:     $request->print($grademsg.$studentTable);
1.68      ng       4345: 
1.70      ng       4346:     return '';
                   4347: }
                   4348: 
1.72      ng       4349: #-------- end of section for handling grading by page/sequence ---------
                   4350: #
                   4351: #-------------------------------------------------------------------
                   4352: 
1.75      albertel 4353: #--------------------Scantron Grading-----------------------------------
                   4354: #
                   4355: #------ start of section for handling grading by page/sequence ---------
                   4356: 
1.81      albertel 4357: sub defaultFormData {
1.324     albertel 4358:     my ($symb)=@_;
1.81      albertel 4359:     return '
1.418     albertel 4360:       <input type="hidden" name="symb"    value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 4361:      '<input type="hidden" name="saveState" value="'.$env{'form.saveState'}.'" />'."\n".
                   4362:      '<input type="hidden" name="probTitle" value="'.$env{'form.probTitle'}.'" />'."\n";
1.81      albertel 4363: }
                   4364: 
1.75      albertel 4365: sub getSequenceDropDown {
                   4366:     my ($request,$symb)=@_;
                   4367:     my $result='<select name="selectpage">'."\n";
                   4368:     my ($titles,$symbx) = &getSymbMap($request);
1.137     albertel 4369:     my ($curpage)=&Apache::lonnet::decode_symb($symb); 
1.75      albertel 4370:     my $ctr=0;
                   4371:     foreach (@$titles) {
                   4372: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   4373: 	$result.='<option value="'.$$symbx{$_}.'" '.
1.401     albertel 4374: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="selected"' : '').
1.75      albertel 4375: 	    '>'.$showtitle.'</option>'."\n";
                   4376: 	$ctr++;
                   4377:     }
                   4378:     $result.= '</select>';
                   4379:     return $result;
                   4380: }
                   4381: 
1.202     albertel 4382: sub scantron_filenames {
1.257     albertel 4383:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   4384:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
1.157     albertel 4385:     my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
1.359     www      4386: 				    &propath($cdom,$cname));
1.202     albertel 4387:     my @possiblenames;
1.201     albertel 4388:     foreach my $filename (sort(@files)) {
1.157     albertel 4389: 	($filename)=split(/&/,$filename);
                   4390: 	if ($filename!~/^scantron_orig_/) { next ; }
                   4391: 	$filename=~s/^scantron_orig_//;
1.202     albertel 4392: 	push(@possiblenames,$filename);
                   4393:     }
                   4394:     return @possiblenames;
                   4395: }
                   4396: 
                   4397: sub scantron_uploads {
1.209     ng       4398:     my ($file2grade) = @_;
1.202     albertel 4399:     my $result=	'<select name="scantron_selectfile">';
                   4400:     $result.="<option></option>";
                   4401:     foreach my $filename (sort(&scantron_filenames())) {
1.401     albertel 4402: 	$result.="<option".($filename eq $file2grade ? ' selected="selected"':'').">$filename</option>\n";
1.81      albertel 4403:     }
                   4404:     $result.="</select>";
                   4405:     return $result;
                   4406: }
                   4407: 
1.82      albertel 4408: sub scantron_scantab {
                   4409:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   4410:     my $result='<select name="scantron_format">'."\n";
1.191     albertel 4411:     $result.='<option></option>'."\n";
1.82      albertel 4412:     foreach my $line (<$fh>) {
                   4413: 	my ($name,$descrip)=split(/:/,$line);
                   4414: 	if ($name =~ /^\#/) { next; }
                   4415: 	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
                   4416:     }
                   4417:     $result.='</select>'."\n";
                   4418: 
                   4419:     return $result;
                   4420: }
                   4421: 
1.186     albertel 4422: sub scantron_CODElist {
1.257     albertel 4423:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4424:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.186     albertel 4425:     my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4426:     my $namechoice='<option></option>';
1.225     albertel 4427:     foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.191     albertel 4428: 	if ($name =~ /^error: 2 /) { next; }
1.278     albertel 4429: 	if ($name =~ /^type\0/) { next; }
1.186     albertel 4430: 	$namechoice.='<option value="'.$name.'">'.$name.'</option>';
                   4431:     }
                   4432:     $namechoice='<select name="scantron_CODElist">'.$namechoice.'</select>';
                   4433:     return $namechoice;
                   4434: }
                   4435: 
                   4436: sub scantron_CODEunique {
1.381     albertel 4437:     my $result='<span style="white-space: nowrap;">
1.272     albertel 4438:                  <label><input type="radio" name="scantron_CODEunique"
1.308     albertel 4439:                         value="yes" checked="checked" /> Yes </label>
1.381     albertel 4440:                 </span>
                   4441:                 <span style="white-space: nowrap;">
1.272     albertel 4442:                  <label><input type="radio" name="scantron_CODEunique"
1.308     albertel 4443:                         value="no" /> No </label>
1.381     albertel 4444:                 </span>';
1.186     albertel 4445:     return $result;
                   4446: }
                   4447: 
1.75      albertel 4448: sub scantron_selectphase {
1.209     ng       4449:     my ($r,$file2grade) = @_;
1.324     albertel 4450:     my ($symb)=&get_symb($r);
1.75      albertel 4451:     if (!$symb) {return '';}
                   4452:     my $sequence_selector=&getSequenceDropDown($r,$symb);
1.324     albertel 4453:     my $default_form_data=&defaultFormData($symb);
                   4454:     my $grading_menu_button=&show_grading_menu_form($symb);
1.209     ng       4455:     my $file_selector=&scantron_uploads($file2grade);
1.82      albertel 4456:     my $format_selector=&scantron_scantab();
1.186     albertel 4457:     my $CODE_selector=&scantron_CODElist();
                   4458:     my $CODE_unique=&scantron_CODEunique();
1.75      albertel 4459:     my $result;
1.157     albertel 4460:     #FIXME allow instructor to be able to download the scantron file
                   4461:     # and to upload it,
1.75      albertel 4462:     $result.= <<SCANTRONFORM;
1.162     albertel 4463:     <table width="100%" border="0">
1.75      albertel 4464:     <tr>
1.226     albertel 4465:      <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
1.75      albertel 4466:       <td bgcolor="#777777">
1.203     albertel 4467:        <input type="hidden" name="command" value="scantron_warning" />
1.162     albertel 4468:         $default_form_data
1.75      albertel 4469:         <table width="100%" border="0">
                   4470:           <tr bgcolor="#e6ffff">
1.174     albertel 4471:             <td colspan="2">
                   4472:               &nbsp;<b>Specify file and which Folder/Sequence to grade</b>
1.75      albertel 4473:             </td>
                   4474:           </tr>
                   4475:           <tr bgcolor="#ffffe6">
1.174     albertel 4476:             <td> Sequence to grade: </td><td> $sequence_selector </td>
1.75      albertel 4477:           </tr>
                   4478:           <tr bgcolor="#ffffe6">
1.174     albertel 4479:             <td> Filename of scoring office file: </td><td> $file_selector </td>
1.75      albertel 4480:           </tr>
1.82      albertel 4481:           <tr bgcolor="#ffffe6">
1.174     albertel 4482:             <td> Format of data file: </td><td> $format_selector </td>
1.82      albertel 4483:           </tr>
1.157     albertel 4484:           <tr bgcolor="#ffffe6">
1.186     albertel 4485:             <td> Saved CODEs to validate against: </td><td> $CODE_selector</td>
                   4486:           </tr>
                   4487:           <tr bgcolor="#ffffe6">
                   4488:             <td> Each CODE is only to be used once:</td><td> $CODE_unique </td>
                   4489:           </tr>
                   4490:           <tr bgcolor="#ffffe6">
1.187     albertel 4491: 	    <td> Options: </td>
                   4492:             <td>
1.272     albertel 4493: 	       <label><input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> Do only previously skipped records</label> <br />
1.331     albertel 4494:                <label><input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all exisiting corrections</label> <br />
                   4495:                <label><input type="checkbox" name="scantron_options_hidden" value="ignore_hidden"/> Skip hidden resources when grading</label>
1.187     albertel 4496: 	    </td>
                   4497:           </tr>
                   4498:           <tr bgcolor="#ffffe6">
1.174     albertel 4499:             <td colspan="2">
1.265     www      4500:               <input type="submit" value="Grading: Validate Scantron Records" />
1.162     albertel 4501:             </td>
                   4502:           </tr>
                   4503:         </table>
1.226     albertel 4504:        </td>
                   4505:      </form>
1.162     albertel 4506:     </tr>
                   4507: SCANTRONFORM
                   4508:    
                   4509:     $r->print($result);
                   4510: 
1.257     albertel 4511:     if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) ||
                   4512:         &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
1.162     albertel 4513: 
                   4514:         $r->print(<<SCANTRONFORM);
                   4515:     <tr>
                   4516:       <td bgcolor="#777777">
                   4517:         <table width="100%" border="0">
                   4518:           <tr bgcolor="#e6ffff">
                   4519:             <td>
1.174     albertel 4520:               &nbsp;<b>Specify a Scantron data file to upload.</b>
1.162     albertel 4521:             </td>
                   4522:           </tr>
                   4523:           <tr bgcolor="#ffffe6">
                   4524:             <td>
                   4525: SCANTRONFORM
1.324     albertel 4526:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.257     albertel 4527:     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4528:     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
1.174     albertel 4529:     $r->print(<<UPLOAD);
                   4530:               <script type="text/javascript" language="javascript">
                   4531:     function checkUpload(formname) {
                   4532: 	if (formname.upfile.value == "") {
                   4533: 	    alert("Please use the browse button to select a file from your local directory.");
                   4534: 	    return false;
                   4535: 	}
                   4536: 	formname.submit();
                   4537:     }
                   4538:               </script>
                   4539: 
                   4540:               <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
                   4541:                 $default_form_data
                   4542:                 <input name='courseid' type='hidden' value='$cnum' />
                   4543:                 <input name='domainid' type='hidden' value='$cdom' />
                   4544:                 <input name='command' value='scantronupload_save' type='hidden' />
                   4545:                 File to upload:<input type="file" name="upfile" size="50" />
                   4546:                 <br />
                   4547:                 <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
                   4548:               </form>
                   4549: UPLOAD
1.162     albertel 4550: 
                   4551:         $r->print(<<SCANTRONFORM);
                   4552:             </td>
                   4553:           </tr>
1.75      albertel 4554:         </table>
                   4555:       </td>
                   4556:     </tr>
1.162     albertel 4557: SCANTRONFORM
                   4558:     }
1.187     albertel 4559:     $r->print(<<SCANTRONFORM);
                   4560:     <tr>
1.226     albertel 4561:       <form action='/adm/grades' name='scantron_download'>
                   4562:         <td bgcolor="#777777">
1.379     albertel 4563: 	  $default_form_data
1.187     albertel 4564:           <input type="hidden" name="command" value="scantron_download" />
                   4565:           <table width="100%" border="0">
                   4566:             <tr bgcolor="#e6ffff">
                   4567:               <td colspan="2">
                   4568:                 &nbsp;<b>Download a scoring office file</b>
                   4569:               </td>
                   4570:             </tr>
                   4571:             <tr bgcolor="#ffffe6">
                   4572:               <td> Filename of scoring office file: </td><td> $file_selector </td>
                   4573:             </tr>
                   4574:             <tr bgcolor="#ffffe6">
                   4575:               <td colspan="2">
1.293     www      4576:                 <input type="submit" value="Download: Show List of Associated Files" />
1.187     albertel 4577:               </td>
                   4578:             </tr>
                   4579:           </table>
1.226     albertel 4580:         </td>
                   4581:       </form>
1.187     albertel 4582:     </tr>
                   4583: SCANTRONFORM
1.162     albertel 4584: 
                   4585:     $r->print(<<SCANTRONFORM);
1.75      albertel 4586:   </table>
1.81      albertel 4587: $grading_menu_button
1.75      albertel 4588: SCANTRONFORM
                   4589: 
1.162     albertel 4590:     return
1.75      albertel 4591: }
                   4592: 
1.82      albertel 4593: sub get_scantron_config {
                   4594:     my ($which) = @_;
                   4595:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   4596:     my %config;
1.157     albertel 4597:     #FIXME probably should move to XML it has already gotten a bit much now
1.82      albertel 4598:     foreach my $line (<$fh>) {
                   4599: 	my ($name,$descrip)=split(/:/,$line);
                   4600: 	if ($name ne $which ) { next; }
                   4601: 	chomp($line);
                   4602: 	my @config=split(/:/,$line);
                   4603: 	$config{'name'}=$config[0];
                   4604: 	$config{'description'}=$config[1];
                   4605: 	$config{'CODElocation'}=$config[2];
                   4606: 	$config{'CODEstart'}=$config[3];
                   4607: 	$config{'CODElength'}=$config[4];
                   4608: 	$config{'IDstart'}=$config[5];
                   4609: 	$config{'IDlength'}=$config[6];
                   4610: 	$config{'Qstart'}=$config[7];
                   4611: 	$config{'Qlength'}=$config[8];
                   4612: 	$config{'Qoff'}=$config[9];
                   4613: 	$config{'Qon'}=$config[10];
1.157     albertel 4614: 	$config{'PaperID'}=$config[11];
                   4615: 	$config{'PaperIDlength'}=$config[12];
                   4616: 	$config{'FirstName'}=$config[13];
                   4617: 	$config{'FirstNamelength'}=$config[14];
                   4618: 	$config{'LastName'}=$config[15];
                   4619: 	$config{'LastNamelength'}=$config[16];
1.82      albertel 4620: 	last;
                   4621:     }
                   4622:     return %config;
                   4623: }
                   4624: 
                   4625: sub username_to_idmap {
                   4626:     my ($classlist)= @_;
                   4627:     my %idmap;
                   4628:     foreach my $student (keys(%$classlist)) {
                   4629: 	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
                   4630: 	    $student;
                   4631:     }
                   4632:     return %idmap;
                   4633: }
                   4634: 
1.157     albertel 4635: sub scantron_fixup_scanline {
                   4636:     my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
                   4637:     if ($field eq 'ID') {
                   4638: 	if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
1.186     albertel 4639: 	    return ($line,1,'New value too large');
1.157     albertel 4640: 	}
                   4641: 	if (length($args->{'newid'}) < $$scantron_config{'IDlength'}) {
                   4642: 	    $args->{'newid'}=sprintf('%-'.$$scantron_config{'IDlength'}.'s',
                   4643: 				     $args->{'newid'});
                   4644: 	}
                   4645: 	substr($line,$$scantron_config{'IDstart'}-1,
                   4646: 	       $$scantron_config{'IDlength'})=$args->{'newid'};
                   4647: 	if ($args->{'newid'}=~/^\s*$/) {
                   4648: 	    &scan_data($scan_data,"$whichline.user",
                   4649: 		       $args->{'username'}.':'.$args->{'domain'});
                   4650: 	}
1.186     albertel 4651:     } elsif ($field eq 'CODE') {
1.192     albertel 4652: 	if ($args->{'CODE_ignore_dup'}) {
                   4653: 	    &scan_data($scan_data,"$whichline.CODE_ignore_dup",'1');
                   4654: 	}
                   4655: 	&scan_data($scan_data,"$whichline.useCODE",'1');
                   4656: 	if ($args->{'CODE'} ne 'use_unfound') {
1.191     albertel 4657: 	    if (length($args->{'CODE'}) > $$scantron_config{'CODElength'}) {
                   4658: 		return ($line,1,'New CODE value too large');
                   4659: 	    }
                   4660: 	    if (length($args->{'CODE'}) < $$scantron_config{'CODElength'}) {
                   4661: 		$args->{'CODE'}=sprintf('%-'.$$scantron_config{'CODElength'}.'s',$args->{'CODE'});
                   4662: 	    }
                   4663: 	    substr($line,$$scantron_config{'CODEstart'}-1,
                   4664: 		   $$scantron_config{'CODElength'})=$args->{'CODE'};
1.186     albertel 4665: 	}
1.157     albertel 4666:     } elsif ($field eq 'answer') {
                   4667: 	my $length=$scantron_config->{'Qlength'};
                   4668: 	my $off=$scantron_config->{'Qoff'};
                   4669: 	my $on=$scantron_config->{'Qon'};
                   4670: 	my $answer=${off}x$length;
                   4671: 	if ($args->{'response'} eq 'none') {
                   4672: 	    &scan_data($scan_data,
                   4673: 		       "$whichline.no_bubble.".$args->{'question'},'1');
                   4674: 	} else {
1.274     albertel 4675: 	    if ($on eq 'letter') {
                   4676: 		my @alphabet=('A'..'Z');
                   4677: 		$answer=$alphabet[$args->{'response'}];
                   4678: 	    } elsif ($on eq 'number') {
                   4679: 		$answer=$args->{'response'}+1;
1.389     albertel 4680: 		if ($answer == 10) { $answer = '0'; }
1.274     albertel 4681: 	    } else {
                   4682: 		substr($answer,$args->{'response'},1)=$on;
                   4683: 	    }
1.157     albertel 4684: 	    &scan_data($scan_data,
                   4685: 		       "$whichline.no_bubble.".$args->{'question'},undef,'1');
                   4686: 	}
                   4687: 	my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
                   4688: 	substr($line,$where-1,$length)=$answer;
                   4689:     }
                   4690:     return $line;
                   4691: }
                   4692: 
                   4693: sub scan_data {
                   4694:     my ($scan_data,$key,$value,$delete)=@_;
1.257     albertel 4695:     my $filename=$env{'form.scantron_selectfile'};
1.157     albertel 4696:     if (defined($value)) {
                   4697: 	$scan_data->{$filename.'_'.$key} = $value;
                   4698:     }
                   4699:     if ($delete) { delete($scan_data->{$filename.'_'.$key}); }
                   4700:     return $scan_data->{$filename.'_'.$key};
                   4701: }
                   4702: 
1.82      albertel 4703: sub scantron_parse_scanline {
1.194     albertel 4704:     my ($line,$whichline,$scantron_config,$scan_data,$justHeader)=@_;
1.82      albertel 4705:     my %record;
                   4706:     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
                   4707:     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
1.278     albertel 4708:     if (!($$scantron_config{'CODElocation'} eq 0 ||
                   4709: 	  $$scantron_config{'CODElocation'} eq 'none')) {
                   4710: 	if ($$scantron_config{'CODElocation'} < 0 ||
                   4711: 	    $$scantron_config{'CODElocation'} eq 'letter' ||
                   4712: 	    $$scantron_config{'CODElocation'} eq 'number') {
1.191     albertel 4713: 	    $record{'scantron.CODE'}=substr($data,
                   4714: 					    $$scantron_config{'CODEstart'}-1,
1.83      albertel 4715: 					    $$scantron_config{'CODElength'});
1.191     albertel 4716: 	    if (&scan_data($scan_data,"$whichline.useCODE")) {
                   4717: 		$record{'scantron.useCODE'}=1;
                   4718: 	    }
1.192     albertel 4719: 	    if (&scan_data($scan_data,"$whichline.CODE_ignore_dup")) {
                   4720: 		$record{'scantron.CODE_ignore_dup'}=1;
                   4721: 	    }
1.82      albertel 4722: 	} else {
                   4723: 	    #FIXME interpret first N questions
                   4724: 	}
                   4725:     }
1.83      albertel 4726:     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
                   4727: 				  $$scantron_config{'IDlength'});
1.157     albertel 4728:     $record{'scantron.PaperID'}=
                   4729: 	substr($data,$$scantron_config{'PaperID'}-1,
                   4730: 	       $$scantron_config{'PaperIDlength'});
                   4731:     $record{'scantron.FirstName'}=
                   4732: 	substr($data,$$scantron_config{'FirstName'}-1,
                   4733: 	       $$scantron_config{'FirstNamelength'});
                   4734:     $record{'scantron.LastName'}=
                   4735: 	substr($data,$$scantron_config{'LastName'}-1,
                   4736: 	       $$scantron_config{'LastNamelength'});
1.194     albertel 4737:     if ($justHeader) { return \%record; }
                   4738: 
1.82      albertel 4739:     my @alphabet=('A'..'Z');
                   4740:     my $questnum=0;
                   4741:     while ($questions) {
                   4742: 	$questnum++;
                   4743: 	my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
                   4744: 	substr($questions,0,$$scantron_config{'Qlength'})='';
1.83      albertel 4745: 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
1.239     albertel 4746: 	if ($$scantron_config{'Qon'} eq 'letter') {
1.371     albertel 4747: 	    if ($currentquest eq '?'
                   4748: 		|| $currentquest eq '*') {
1.274     albertel 4749: 		push(@{$record{'scantron.doubleerror'}},$questnum);
                   4750: 		$record{"scantron.$questnum.answer"}='';
1.389     albertel 4751: 	    } elsif (!defined($currentquest)
1.274     albertel 4752: 		     || $currentquest eq $$scantron_config{'Qoff'}
                   4753: 		     || $currentquest !~ /^[A-Z]$/) {
1.239     albertel 4754: 		$record{"scantron.$questnum.answer"}='';
                   4755: 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
                   4756: 		    push(@{$record{"scantron.missingerror"}},$questnum);
                   4757: 		}
                   4758: 	    } else {
                   4759: 		$record{"scantron.$questnum.answer"}=$currentquest;
                   4760: 	    }
                   4761: 	} elsif ($$scantron_config{'Qon'} eq 'number') {
1.371     albertel 4762: 	    if ($currentquest eq '?'
                   4763: 		|| $currentquest eq '*') {
1.274     albertel 4764: 		push(@{$record{'scantron.doubleerror'}},$questnum);
                   4765: 		$record{"scantron.$questnum.answer"}='';
1.389     albertel 4766: 	    } elsif (!defined($currentquest)
                   4767: 		     || $currentquest eq $$scantron_config{'Qoff'} 
                   4768: 		     || $currentquest !~ /^\d$/) {
1.239     albertel 4769: 		$record{"scantron.$questnum.answer"}='';
                   4770: 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
                   4771: 		    push(@{$record{"scantron.missingerror"}},$questnum);
                   4772: 		}
                   4773: 	    } else {
1.371     albertel 4774: 		# wrap zero back to J
                   4775: 		if ($currentquest eq '0') {
                   4776: 		    $record{"scantron.$questnum.answer"}=
                   4777: 			$alphabet[9];
                   4778: 		} else {
                   4779: 		    $record{"scantron.$questnum.answer"}=
                   4780: 			$alphabet[$currentquest-1];
                   4781: 		}
1.239     albertel 4782: 	    }
1.82      albertel 4783: 	} else {
1.239     albertel 4784: 	    my @array=split($$scantron_config{'Qon'},$currentquest,-1);
                   4785: 	    if (length($array[0]) eq $$scantron_config{'Qlength'}) {
                   4786: 		$record{"scantron.$questnum.answer"}='';
                   4787: 		if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
                   4788: 		    push(@{$record{"scantron.missingerror"}},$questnum);
                   4789: 		}
                   4790: 	    } else {
                   4791: 		$record{"scantron.$questnum.answer"}=
                   4792: 		    $alphabet[length($array[0])];
                   4793: 	    }
                   4794: 	    if (scalar(@array) gt 2) {
                   4795: 		push(@{$record{'scantron.doubleerror'}},$questnum);
                   4796: 		my @ans=@array;
                   4797: 		my $i=length($ans[0]);shift(@ans);
                   4798: 		while ($#ans) {
                   4799: 		    $i+=length($ans[0])+1;
                   4800: 		    $record{"scantron.$questnum.answer"}.=$alphabet[$i];
                   4801: 		    shift(@ans);
                   4802: 		}
                   4803: 	    }
1.82      albertel 4804: 	}
                   4805:     }
1.83      albertel 4806:     $record{'scantron.maxquest'}=$questnum;
                   4807:     return \%record;
1.82      albertel 4808: }
                   4809: 
                   4810: sub scantron_add_delay {
1.140     albertel 4811:     my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
                   4812:     push(@$delayqueue,
                   4813: 	 {'line' => $scanline, 'emsg' => $errormessage,
                   4814: 	  'ecode' => $errorcode }
                   4815: 	 );
1.82      albertel 4816: }
                   4817: 
                   4818: sub scantron_find_student {
1.157     albertel 4819:     my ($scantron_record,$scan_data,$idmap,$line)=@_;
1.83      albertel 4820:     my $scanID=$$scantron_record{'scantron.ID'};
1.157     albertel 4821:     if ($scanID =~ /^\s*$/) {
                   4822:  	return &scan_data($scan_data,"$line.user");
                   4823:     }
1.83      albertel 4824:     foreach my $id (keys(%$idmap)) {
1.157     albertel 4825:  	if (lc($id) eq lc($scanID)) {
                   4826:  	    return $$idmap{$id};
                   4827:  	}
1.83      albertel 4828:     }
                   4829:     return undef;
                   4830: }
                   4831: 
                   4832: sub scantron_filter {
                   4833:     my ($curres)=@_;
1.331     albertel 4834: 
                   4835:     if (ref($curres) && $curres->is_problem()) {
                   4836: 	# if the user has asked to not have either hidden
                   4837: 	# or 'randomout' controlled resources to be graded
                   4838: 	# don't include them
                   4839: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   4840: 	    && $curres->randomout) {
                   4841: 	    return 0;
                   4842: 	}
1.83      albertel 4843: 	return 1;
                   4844:     }
                   4845:     return 0;
1.82      albertel 4846: }
                   4847: 
1.157     albertel 4848: sub scantron_process_corrections {
                   4849:     my ($r) = @_;
1.257     albertel 4850:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 4851:     my ($scanlines,$scan_data)=&scantron_getfile();
                   4852:     my $classlist=&Apache::loncoursedata::get_classlist();
1.257     albertel 4853:     my $which=$env{'form.scantron_line'};
1.200     albertel 4854:     my $line=&scantron_get_line($scanlines,$scan_data,$which);
1.157     albertel 4855:     my ($skip,$err,$errmsg);
1.257     albertel 4856:     if ($env{'form.scantron_skip_record'}) {
1.157     albertel 4857: 	$skip=1;
1.257     albertel 4858:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) {
                   4859: 	my $newstudent=$env{'form.scantron_username'}.':'.
                   4860: 	    $env{'form.scantron_domain'};
1.157     albertel 4861: 	my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
                   4862: 	($line,$err,$errmsg)=
                   4863: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
                   4864: 				     'ID',{'newid'=>$newid,
1.257     albertel 4865: 				    'username'=>$env{'form.scantron_username'},
                   4866: 				    'domain'=>$env{'form.scantron_domain'}});
                   4867:     } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)CODE$/) {
                   4868: 	my $resolution=$env{'form.scantron_CODE_resolution'};
1.190     albertel 4869: 	my $newCODE;
1.192     albertel 4870: 	my %args;
1.190     albertel 4871: 	if      ($resolution eq 'use_unfound') {
1.191     albertel 4872: 	    $newCODE='use_unfound';
1.190     albertel 4873: 	} elsif ($resolution eq 'use_found') {
1.257     albertel 4874: 	    $newCODE=$env{'form.scantron_CODE_selectedvalue'};
1.190     albertel 4875: 	} elsif ($resolution eq 'use_typed') {
1.257     albertel 4876: 	    $newCODE=$env{'form.scantron_CODE_newvalue'};
1.194     albertel 4877: 	} elsif ($resolution =~ /^use_closest_(\d+)/) {
1.257     albertel 4878: 	    $newCODE=$env{"form.scantron_CODE_closest_$1"};
1.190     albertel 4879: 	}
1.257     albertel 4880: 	if ($env{'form.scantron_corrections'} eq 'duplicateCODE') {
1.192     albertel 4881: 	    $args{'CODE_ignore_dup'}=1;
                   4882: 	}
                   4883: 	$args{'CODE'}=$newCODE;
1.186     albertel 4884: 	($line,$err,$errmsg)=
                   4885: 	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
1.192     albertel 4886: 				     'CODE',\%args);
1.257     albertel 4887:     } elsif ($env{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
                   4888: 	foreach my $question (split(',',$env{'form.scantron_questions'})) {
1.157     albertel 4889: 	    ($line,$err,$errmsg)=
                   4890: 		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
                   4891: 					 $which,'answer',
                   4892: 					 { 'question'=>$question,
1.257     albertel 4893: 		       'response'=>$env{"form.scantron_correct_Q_$question"}});
1.157     albertel 4894: 	    if ($err) { last; }
                   4895: 	}
                   4896:     }
                   4897:     if ($err) {
1.398     albertel 4898: 	$r->print("<span class=\"LC_warning\">Unable to accept last correction, an error occurred :$errmsg:</span>");
1.157     albertel 4899:     } else {
1.200     albertel 4900: 	&scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
1.157     albertel 4901: 	&scantron_putfile($scanlines,$scan_data);
                   4902:     }
                   4903: }
                   4904: 
1.200     albertel 4905: sub reset_skipping_status {
                   4906:     my ($scanlines,$scan_data)=&scantron_getfile();
                   4907:     &scan_data($scan_data,'remember_skipping',undef,1);
                   4908:     &scantron_putfile(undef,$scan_data);
                   4909: }
                   4910: 
1.376     albertel 4911: sub start_skipping {
1.200     albertel 4912:     my ($scan_data,$i)=@_;
                   4913:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 4914:     if ($env{'form.scantron_options_redo'} =~ /^redo_/) {
                   4915: 	$remembered{$i}=2;
                   4916:     } else {
                   4917: 	$remembered{$i}=1;
                   4918:     }
1.200     albertel 4919:     &scan_data($scan_data,'remember_skipping',join(':',%remembered));
                   4920: }
                   4921: 
                   4922: sub should_be_skipped {
1.376     albertel 4923:     my ($scanlines,$scan_data,$i)=@_;
1.257     albertel 4924:     if ($env{'form.scantron_options_redo'} !~ /^redo_/) {
1.200     albertel 4925: 	# not redoing old skips
1.376     albertel 4926: 	if ($scanlines->{'skipped'}[$i]) { return 1; }
1.200     albertel 4927: 	return 0;
                   4928:     }
                   4929:     my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
1.376     albertel 4930: 
                   4931:     if (exists($remembered{$i}) && $remembered{$i} != 2 ) {
                   4932: 	return 0;
                   4933:     }
1.200     albertel 4934:     return 1;
                   4935: }
                   4936: 
                   4937: sub remember_current_skipped {
                   4938:     my ($scanlines,$scan_data)=&scantron_getfile();
                   4939:     my %to_remember;
                   4940:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   4941: 	if ($scanlines->{'skipped'}[$i]) {
                   4942: 	    $to_remember{$i}=1;
                   4943: 	}
                   4944:     }
1.376     albertel 4945: 
1.200     albertel 4946:     &scan_data($scan_data,'remember_skipping',join(':',%to_remember));
                   4947:     &scantron_putfile(undef,$scan_data);
                   4948: }
                   4949: 
                   4950: sub check_for_error {
                   4951:     my ($r,$result)=@_;
                   4952:     if ($result ne 'ok' && $result ne 'not_found' ) {
1.401     albertel 4953: 	$r->print("An error occurred ($result) when trying to Remove the existing corrections.");
1.200     albertel 4954:     }
                   4955: }
1.157     albertel 4956: 
1.203     albertel 4957: sub scantron_warning_screen {
                   4958:     my ($button_text)=@_;
1.257     albertel 4959:     my $title=&Apache::lonnet::gettitle($env{'form.selectpage'});
1.284     albertel 4960:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.373     albertel 4961:     my $CODElist;
1.284     albertel 4962:     if ($scantron_config{'CODElocation'} &&
                   4963: 	$scantron_config{'CODEstart'} &&
                   4964: 	$scantron_config{'CODElength'}) {
                   4965: 	$CODElist=$env{'form.scantron_CODElist'};
1.398     albertel 4966: 	if ($env{'form.scantron_CODElist'} eq '') { $CODElist='<span class="LC_warning">None</span>'; }
1.284     albertel 4967: 	$CODElist=
                   4968: 	    '<tr><td><b>List of CODES to validate against:</b></td><td><tt>'.
1.373     albertel 4969: 	    $env{'form.scantron_CODElist'}.'</tt></td></tr>';
1.284     albertel 4970:     }
1.203     albertel 4971:     return (<<STUFF);
                   4972: <p>
1.398     albertel 4973: <span class="LC_warning">Please double check the information
                   4974:                  below before clicking on '$button_text'</span>
1.203     albertel 4975: </p>
                   4976: <table>
1.284     albertel 4977: <tr><td><b>Sequence to be Graded:</b></td><td>$title</td></tr>
1.257     albertel 4978: <tr><td><b>Data File that will be used:</b></td><td><tt>$env{'form.scantron_selectfile'}</tt></td></tr>
1.284     albertel 4979: $CODElist
1.203     albertel 4980: </table>
                   4981: <br />
                   4982: <p> If this information is correct, please click on '$button_text'.</p>
                   4983: <p> If something is incorrect, please click the 'Grading Menu' button to start over.</p>
                   4984: 
                   4985: <br />
                   4986: STUFF
                   4987: }
                   4988: 
                   4989: sub scantron_do_warning {
                   4990:     my ($r)=@_;
1.324     albertel 4991:     my ($symb)=&get_symb($r);
1.203     albertel 4992:     if (!$symb) {return '';}
1.324     albertel 4993:     my $default_form_data=&defaultFormData($symb);
1.203     albertel 4994:     $r->print(&scantron_form_start().$default_form_data);
1.257     albertel 4995:     if ( $env{'form.selectpage'} eq '' ||
                   4996: 	 $env{'form.scantron_selectfile'} eq '' ||
                   4997: 	 $env{'form.scantron_format'} eq '' ) {
1.237     albertel 4998: 	$r->print("<p>You have forgetten to specify some information. Please go Back and try again.</p>");
1.257     albertel 4999: 	if ( $env{'form.selectpage'} eq '') {
1.398     albertel 5000: 	    $r->print('<p><span class="LC_error">You have not selected a Sequence to grade</span></p>');
1.237     albertel 5001: 	} 
1.257     albertel 5002: 	if ( $env{'form.scantron_selectfile'} eq '') {
1.398     albertel 5003: 	    $r->print('<p><span class="LC_error">You have not selected a file that contains the student\'s response data.</span></p>');
1.237     albertel 5004: 	} 
1.257     albertel 5005: 	if ( $env{'form.scantron_format'} eq '') {
1.398     albertel 5006: 	    $r->print('<p><span class="LC_error">You have not selected a the format of the student\'s response data.</span></p>');
1.237     albertel 5007: 	} 
                   5008:     } else {
1.265     www      5009: 	my $warning=&scantron_warning_screen('Grading: Validate Records');
1.237     albertel 5010: 	$r->print(<<STUFF);
1.203     albertel 5011: $warning
1.265     www      5012: <input type="submit" name="submit" value="Grading: Validate Records" />
1.203     albertel 5013: <input type="hidden" name="command" value="scantron_validate" />
                   5014: STUFF
1.237     albertel 5015:     }
1.352     albertel 5016:     $r->print("</form><br />".&show_grading_menu_form($symb));
1.203     albertel 5017:     return '';
                   5018: }
                   5019: 
                   5020: sub scantron_form_start {
                   5021:     my ($max_bubble)=@_;
                   5022:     my $result= <<SCANTRONFORM;
                   5023: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
1.257     albertel 5024:   <input type="hidden" name="selectpage" value="$env{'form.selectpage'}" />
                   5025:   <input type="hidden" name="scantron_format" value="$env{'form.scantron_format'}" />
                   5026:   <input type="hidden" name="scantron_selectfile" value="$env{'form.scantron_selectfile'}" />
1.218     albertel 5027:   <input type="hidden" name="scantron_maxbubble" value="$max_bubble" />
1.257     albertel 5028:   <input type="hidden" name="scantron_CODElist" value="$env{'form.scantron_CODElist'}" />
                   5029:   <input type="hidden" name="scantron_CODEunique" value="$env{'form.scantron_CODEunique'}" />
                   5030:   <input type="hidden" name="scantron_options_redo" value="$env{'form.scantron_options_redo'}" />
                   5031:   <input type="hidden" name="scantron_options_ignore" value="$env{'form.scantron_options_ignore'}" />
1.331     albertel 5032:   <input type="hidden" name="scantron_options_hidden" value="$env{'form.scantron_options_hidden'}" />
1.203     albertel 5033: SCANTRONFORM
                   5034:     return $result;
                   5035: }
                   5036: 
1.157     albertel 5037: sub scantron_validate_file {
                   5038:     my ($r) = @_;
1.324     albertel 5039:     my ($symb)=&get_symb($r);
1.157     albertel 5040:     if (!$symb) {return '';}
1.324     albertel 5041:     my $default_form_data=&defaultFormData($symb);
1.200     albertel 5042:     
                   5043:     # do the detection of only doing skipped records first befroe we delete
                   5044:     # them  when doing the corrections reset
1.257     albertel 5045:     if ($env{'form.scantron_options_redo'} ne 'redo_skipped_ready') {
1.200     albertel 5046: 	&reset_skipping_status();
                   5047:     }
1.257     albertel 5048:     if ($env{'form.scantron_options_redo'} eq 'redo_skipped') {
1.200     albertel 5049: 	&remember_current_skipped();
1.257     albertel 5050: 	$env{'form.scantron_options_redo'}='redo_skipped_ready';
1.200     albertel 5051:     }
                   5052: 
1.257     albertel 5053:     if ($env{'form.scantron_options_ignore'} eq 'ignore_corrections') {
1.200     albertel 5054: 	&check_for_error($r,&scantron_remove_file('corrected'));
                   5055: 	&check_for_error($r,&scantron_remove_file('skipped'));
                   5056: 	&check_for_error($r,&scantron_remove_scan_data());
1.257     albertel 5057: 	$env{'form.scantron_options_ignore'}='done';
1.192     albertel 5058:     }
1.200     albertel 5059: 
1.257     albertel 5060:     if ($env{'form.scantron_corrections'}) {
1.157     albertel 5061: 	&scantron_process_corrections($r);
                   5062:     }
1.191     albertel 5063:     $r->print("<p>Gathering neccessary info.</p>");$r->rflush();
1.157     albertel 5064:     #get the student pick code ready
                   5065:     $r->print(&Apache::loncommon::studentbrowser_javascript());
1.330     albertel 5066:     my $max_bubble=&scantron_get_maxbubble();
1.203     albertel 5067:     my $result=&scantron_form_start($max_bubble).$default_form_data;
1.157     albertel 5068:     $r->print($result);
                   5069:     
1.334     albertel 5070:     my @validate_phases=( 'sequence',
                   5071: 			  'ID',
1.157     albertel 5072: 			  'CODE',
                   5073: 			  'doublebubble',
                   5074: 			  'missingbubbles');
1.257     albertel 5075:     if (!$env{'form.validatepass'}) {
                   5076: 	$env{'form.validatepass'} = 0;
1.157     albertel 5077:     }
1.257     albertel 5078:     my $currentphase=$env{'form.validatepass'};
1.157     albertel 5079: 
                   5080:     my $stop=0;
                   5081:     while (!$stop && $currentphase < scalar(@validate_phases)) {
                   5082: 	$r->print("<p> Validating ".$validate_phases[$currentphase]."</p>");
                   5083: 	$r->rflush();
                   5084: 	my $which="scantron_validate_".$validate_phases[$currentphase];
                   5085: 	{
                   5086: 	    no strict 'refs';
                   5087: 	    ($stop,$currentphase)=&$which($r,$currentphase);
                   5088: 	}
                   5089:     }
                   5090:     if (!$stop) {
1.203     albertel 5091: 	my $warning=&scantron_warning_screen('Start Grading');
                   5092: 	$r->print(<<STUFF);
                   5093: Validation process complete.<br />
                   5094: $warning
                   5095: <input type="submit" name="submit" value="Start Grading" />
                   5096: <input type="hidden" name="command" value="scantron_process" />
                   5097: STUFF
                   5098: 
1.157     albertel 5099:     } else {
                   5100: 	$r->print('<input type="hidden" name="command" value="scantron_validate" />');
                   5101: 	$r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
                   5102:     }
                   5103:     if ($stop) {
1.334     albertel 5104: 	if ($validate_phases[$currentphase] eq 'sequence') {
                   5105: 	    $r->print('<input type="submit" name="submit" value="Ignore -> " />');
                   5106: 	    $r->print(' this error <br />');
                   5107: 
                   5108: 	    $r->print(" <p>Or click the 'Grading Menu' button to start over.</p>");
                   5109: 	} else {
                   5110: 	    $r->print('<input type="submit" name="submit" value="Continue ->" />');
                   5111: 	    $r->print(' using corrected info <br />');
                   5112: 	    $r->print("<input type='submit' value='Skip' name='scantron_skip_record' />");
                   5113: 	    $r->print(" this scanline saving it for later.");
                   5114: 	}
1.157     albertel 5115:     }
1.352     albertel 5116:     $r->print(" </form><br />".&show_grading_menu_form($symb));
1.157     albertel 5117:     return '';
                   5118: }
                   5119: 
1.200     albertel 5120: sub scantron_remove_file {
1.192     albertel 5121:     my ($which)=@_;
1.257     albertel 5122:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5123:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 5124:     my $file='scantron_';
1.200     albertel 5125:     if ($which eq 'corrected' || $which eq 'skipped') {
                   5126: 	$file.=$which.'_';
1.192     albertel 5127:     } else {
                   5128: 	return 'refused';
                   5129:     }
1.257     albertel 5130:     $file.=$env{'form.scantron_selectfile'};
1.200     albertel 5131:     return &Apache::lonnet::removeuserfile($cname,$cdom,$file);
                   5132: }
                   5133: 
                   5134: sub scantron_remove_scan_data {
1.257     albertel 5135:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5136:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.192     albertel 5137:     my @keys=&Apache::lonnet::getkeys('nohist_scantrondata',$cdom,$cname);
                   5138:     my @todelete;
1.257     albertel 5139:     my $filename=$env{'form.scantron_selectfile'};
1.192     albertel 5140:     foreach my $key (@keys) {
                   5141: 	if ($key=~/^\Q$filename\E_/) {
1.257     albertel 5142: 	    if ($env{'form.scantron_options_redo'} eq 'redo_skipped_ready' &&
1.200     albertel 5143: 		$key=~/remember_skipping/) {
                   5144: 		next;
                   5145: 	    }
1.192     albertel 5146: 	    push(@todelete,$key);
                   5147: 	}
                   5148:     }
1.200     albertel 5149:     my $result;
1.192     albertel 5150:     if (@todelete) {
1.200     albertel 5151: 	$result=&Apache::lonnet::del('nohist_scantrondata',\@todelete,$cdom,$cname);
1.192     albertel 5152:     }
                   5153:     return $result;
                   5154: }
                   5155: 
1.157     albertel 5156: sub scantron_getfile {
1.200     albertel 5157:     #FIXME really would prefer a scantron directory
1.257     albertel 5158:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5159:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.157     albertel 5160:     my $lines;
                   5161:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 5162: 		       'scantron_orig_'.$env{'form.scantron_selectfile'});
1.157     albertel 5163:     my %scanlines;
                   5164:     $scanlines{'orig'}=[(split("\n",$lines,-1))];
                   5165:     my $temp=$scanlines{'orig'};
                   5166:     $scanlines{'count'}=$#$temp;
                   5167: 
                   5168:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 5169: 		       'scantron_corrected_'.$env{'form.scantron_selectfile'});
1.157     albertel 5170:     if ($lines eq '-1') {
                   5171: 	$scanlines{'corrected'}=[];
                   5172:     } else {
                   5173: 	$scanlines{'corrected'}=[(split("\n",$lines,-1))];
                   5174:     }
                   5175:     $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
1.257     albertel 5176: 		       'scantron_skipped_'.$env{'form.scantron_selectfile'});
1.157     albertel 5177:     if ($lines eq '-1') {
                   5178: 	$scanlines{'skipped'}=[];
                   5179:     } else {
                   5180: 	$scanlines{'skipped'}=[(split("\n",$lines,-1))];
                   5181:     }
1.175     albertel 5182:     my @tmp=&Apache::lonnet::dump('nohist_scantrondata',$cdom,$cname);
1.157     albertel 5183:     if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); }
                   5184:     my %scan_data = @tmp;
                   5185:     return (\%scanlines,\%scan_data);
                   5186: }
                   5187: 
                   5188: sub lonnet_putfile {
                   5189:     my ($contents,$filename)=@_;
1.257     albertel 5190:     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5191:     my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   5192:     $env{'form.sillywaytopassafilearound'}=$contents;
1.275     albertel 5193:     &Apache::lonnet::finishuserfileupload($docuname,$docudom,'sillywaytopassafilearound',$filename);
1.157     albertel 5194: 
                   5195: }
                   5196: 
                   5197: sub scantron_putfile {
                   5198:     my ($scanlines,$scan_data) = @_;
1.200     albertel 5199:     #FIXME really would prefer a scantron directory
1.257     albertel 5200:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5201:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.200     albertel 5202:     if ($scanlines) {
                   5203: 	my $prefix='scantron_';
1.157     albertel 5204: # no need to update orig, shouldn't change
                   5205: #   &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'.
1.257     albertel 5206: #		    $env{'form.scantron_selectfile'});
1.200     albertel 5207: 	&lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}),
                   5208: 			$prefix.'corrected_'.
1.257     albertel 5209: 			$env{'form.scantron_selectfile'});
1.200     albertel 5210: 	&lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}),
                   5211: 			$prefix.'skipped_'.
1.257     albertel 5212: 			$env{'form.scantron_selectfile'});
1.200     albertel 5213:     }
1.175     albertel 5214:     &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname);
1.157     albertel 5215: }
                   5216: 
                   5217: sub scantron_get_line {
1.200     albertel 5218:     my ($scanlines,$scan_data,$i)=@_;
1.376     albertel 5219:     if (&should_be_skipped($scanlines,$scan_data,$i)) { return undef; }
                   5220:     #if ($scanlines->{'skipped'}[$i]) { return undef; }
1.157     albertel 5221:     if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];}
                   5222:     return $scanlines->{'orig'}[$i]; 
                   5223: }
                   5224: 
1.200     albertel 5225: sub get_todo_count {
                   5226:     my ($scanlines,$scan_data)=@_;
                   5227:     my $count=0;
                   5228:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
                   5229: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
                   5230: 	if ($line=~/^[\s\cz]*$/) { next; }
                   5231: 	$count++;
                   5232:     }
                   5233:     return $count;
                   5234: }
                   5235: 
1.157     albertel 5236: sub scantron_put_line {
1.200     albertel 5237:     my ($scanlines,$scan_data,$i,$newline,$skip)=@_;
1.157     albertel 5238:     if ($skip) {
                   5239: 	$scanlines->{'skipped'}[$i]=$newline;
1.376     albertel 5240: 	&start_skipping($scan_data,$i);
1.157     albertel 5241: 	return;
                   5242:     }
                   5243:     $scanlines->{'corrected'}[$i]=$newline;
                   5244: }
                   5245: 
1.376     albertel 5246: sub scantron_clear_skip {
                   5247:     my ($scanlines,$scan_data,$i)=@_;
                   5248:     if (exists($scanlines->{'skipped'}[$i])) {
                   5249: 	undef($scanlines->{'skipped'}[$i]);
                   5250: 	return 1;
                   5251:     }
                   5252:     return 0;
                   5253: }
                   5254: 
1.334     albertel 5255: sub scantron_filter_not_exam {
                   5256:     my ($curres)=@_;
                   5257:     
                   5258:     if (ref($curres) && $curres->is_problem() && !$curres->is_exam()) {
                   5259: 	# if the user has asked to not have either hidden
                   5260: 	# or 'randomout' controlled resources to be graded
                   5261: 	# don't include them
                   5262: 	if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden'
                   5263: 	    && $curres->randomout) {
                   5264: 	    return 0;
                   5265: 	}
                   5266: 	return 1;
                   5267:     }
                   5268:     return 0;
                   5269: }
                   5270: 
                   5271: sub scantron_validate_sequence {
                   5272:     my ($r,$currentphase) = @_;
                   5273: 
                   5274:     my $navmap=Apache::lonnavmaps::navmap->new();
                   5275:     my (undef,undef,$sequence)=
                   5276: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
                   5277: 
                   5278:     my $map=$navmap->getResourceByUrl($sequence);
                   5279: 
                   5280:     $r->print('<input type="hidden" name="validate_sequence_exam"
                   5281:                                     value="ignore" />');
                   5282:     if ($env{'form.validate_sequence_exam'} ne 'ignore') {
                   5283: 	my @resources=
                   5284: 	    $navmap->retrieveResources($map,\&scantron_filter_not_exam,1,0);
                   5285: 	if (@resources) {
1.357     banghart 5286: 	    $r->print("<p>".&mt('Some resources in the sequence currently are not set to exam mode. Grading these resources currently may not work correctly.')."</p>");
1.334     albertel 5287: 	    return (1,$currentphase);
                   5288: 	}
                   5289:     }
                   5290: 
                   5291:     return (0,$currentphase+1);
                   5292: }
                   5293: 
1.157     albertel 5294: sub scantron_validate_ID {
                   5295:     my ($r,$currentphase) = @_;
                   5296:     
                   5297:     #get student info
                   5298:     my $classlist=&Apache::loncoursedata::get_classlist();
                   5299:     my %idmap=&username_to_idmap($classlist);
                   5300: 
                   5301:     #get scantron line setup
1.257     albertel 5302:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 5303:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5304: 
                   5305:     my %found=('ids'=>{},'usernames'=>{});
                   5306:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 5307: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 5308: 	if ($line=~/^[\s\cz]*$/) { next; }
                   5309: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   5310: 						 $scan_data);
                   5311: 	my $id=$$scan_record{'scantron.ID'};
                   5312: 	my $found;
                   5313: 	foreach my $checkid (keys(%idmap)) {
                   5314: 	    if (lc($checkid) eq lc($id)) { $found=$checkid;last; }
                   5315: 	}
                   5316: 	if ($found) {
                   5317: 	    my $username=$idmap{$found};
                   5318: 	    if ($found{'ids'}{$found}) {
                   5319: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   5320: 					 $line,'duplicateID',$found);
1.194     albertel 5321: 		return(1,$currentphase);
1.157     albertel 5322: 	    } elsif ($found{'usernames'}{$username}) {
                   5323: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   5324: 					 $line,'duplicateID',$username);
1.194     albertel 5325: 		return(1,$currentphase);
1.157     albertel 5326: 	    }
1.186     albertel 5327: 	    #FIXME store away line we previously saw the ID on to use above
1.157     albertel 5328: 	    $found{'ids'}{$found}++;
                   5329: 	    $found{'usernames'}{$username}++;
                   5330: 	} else {
                   5331: 	    if ($id =~ /^\s*$/) {
1.158     albertel 5332: 		my $username=&scan_data($scan_data,"$i.user");
1.157     albertel 5333: 		if (defined($username) && $found{'usernames'}{$username}) {
                   5334: 		    &scantron_get_correction($r,$i,$scan_record,
                   5335: 					     \%scantron_config,
                   5336: 					     $line,'duplicateID',$username);
1.194     albertel 5337: 		    return(1,$currentphase);
1.157     albertel 5338: 		} elsif (!defined($username)) {
                   5339: 		    &scantron_get_correction($r,$i,$scan_record,
                   5340: 					     \%scantron_config,
                   5341: 					     $line,'incorrectID');
1.194     albertel 5342: 		    return(1,$currentphase);
1.157     albertel 5343: 		}
                   5344: 		$found{'usernames'}{$username}++;
                   5345: 	    } else {
                   5346: 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   5347: 					 $line,'incorrectID');
1.194     albertel 5348: 		return(1,$currentphase);
1.157     albertel 5349: 	    }
                   5350: 	}
                   5351:     }
                   5352: 
                   5353:     return (0,$currentphase+1);
                   5354: }
                   5355: 
                   5356: sub scantron_get_correction {
                   5357:     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
                   5358: 
                   5359: #FIXME in the case of a duplicated ID the previous line, probaly need
                   5360: #to show both the current line and the previous one and allow skipping
                   5361: #the previous one or the current one
                   5362: 
1.161     albertel 5363:     $r->print("<p><b>An error was detected ($error)</b>");
1.333     albertel 5364:     if ( $$scan_record{'scantron.PaperID'} =~ /\S/) {
1.157     albertel 5365: 	$r->print(" for PaperID <tt>".
                   5366: 		  $$scan_record{'scantron.PaperID'}."</tt> \n");
                   5367:     } else {
                   5368: 	$r->print(" in scanline $i <pre>".
                   5369: 		  $line."</pre> \n");
                   5370:     }
1.242     albertel 5371:     my $message="<p>The ID on the form is  <tt>".
                   5372: 	$$scan_record{'scantron.ID'}."</tt><br />\n".
                   5373: 	"The name on the paper is ".
                   5374: 	$$scan_record{'scantron.LastName'}.",".
                   5375: 	$$scan_record{'scantron.FirstName'}."</p>";
                   5376: 
1.157     albertel 5377:     $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
                   5378:     $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
                   5379:     if ($error =~ /ID$/) {
1.186     albertel 5380: 	if ($error eq 'incorrectID') {
1.157     albertel 5381: 	    $r->print("The encoded ID is not in the classlist</p>\n");
                   5382: 	} elsif ($error eq 'duplicateID') {
                   5383: 	    $r->print("The encoded ID has also been used by a previous paper $arg</p>\n");
                   5384: 	}
1.242     albertel 5385: 	$r->print($message);
1.157     albertel 5386: 	$r->print("<p>How should I handle this? <br /> \n");
                   5387: 	$r->print("\n<ul><li> ");
                   5388: 	#FIXME it would be nice if this sent back the user ID and
                   5389: 	#could do partial userID matches
                   5390: 	$r->print(&Apache::loncommon::selectstudent_link('scantronupload',
                   5391: 				       'scantron_username','scantron_domain'));
                   5392: 	$r->print(": <input type='text' name='scantron_username' value='' />");
                   5393: 	$r->print("\n@".
1.257     albertel 5394: 		 &Apache::loncommon::select_dom_form($env{'request.role.domain'},'scantron_domain'));
1.157     albertel 5395: 
                   5396: 	$r->print('</li>');
1.186     albertel 5397:     } elsif ($error =~ /CODE$/) {
                   5398: 	if ($error eq 'incorrectCODE') {
1.187     albertel 5399: 	    $r->print("</p><p>The encoded CODE is not in the list of possible CODEs</p>\n");
1.186     albertel 5400: 	} elsif ($error eq 'duplicateCODE') {
1.194     albertel 5401: 	    $r->print("</p><p>The encoded CODE has also been used by a previous paper ".join(', ',@{$arg}).", and CODEs are supposed to be unique</p>\n");
1.186     albertel 5402: 	}
1.224     albertel 5403: 	$r->print("<p>The CODE on the form is  <tt>'".
                   5404: 		  $$scan_record{'scantron.CODE'}."'</tt><br />\n");
1.242     albertel 5405: 	$r->print($message);
1.186     albertel 5406: 	$r->print("<p>How should I handle this? <br /> \n");
1.187     albertel 5407: 	$r->print("\n<br /> ");
1.194     albertel 5408: 	my $i=0;
1.273     albertel 5409: 	if ($error eq 'incorrectCODE' 
                   5410: 	    && $$scan_record{'scantron.CODE'}=~/\S/ ) {
1.194     albertel 5411: 	    my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'});
1.278     albertel 5412: 	    if ($closest > 0) {
                   5413: 		foreach my $testcode (@{$closest}) {
                   5414: 		    my $checked='';
1.401     albertel 5415: 		    if (!$i) { $checked=' checked="checked" '; }
1.278     albertel 5416: 		    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.</label><input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
                   5417: 		    $r->print("\n<br />");
                   5418: 		    $i++;
                   5419: 		}
1.194     albertel 5420: 	    }
                   5421: 	}
1.273     albertel 5422: 	if ($$scan_record{'scantron.CODE'}=~/\S/ ) {
1.401     albertel 5423: 	    my $checked; if (!$i) { $checked=' checked="checked" '; }
1.273     albertel 5424: 	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked /> Use the CODE <b><tt>".$$scan_record{'scantron.CODE'}."</tt></b> that is was on the paper, ignoring the error.</label>");
                   5425: 	    $r->print("\n<br />");
                   5426: 	}
1.194     albertel 5427: 
1.188     albertel 5428: 	$r->print(<<ENDSCRIPT);
                   5429: <script type="text/javascript">
                   5430: function change_radio(field) {
1.190     albertel 5431:     var slct=document.scantronupload.scantron_CODE_resolution;
1.188     albertel 5432:     var i;
                   5433:     for (i=0;i<slct.length;i++) {
                   5434:         if (slct[i].value==field) { slct[i].checked=true; }
                   5435:     }
                   5436: }
                   5437: </script>
                   5438: ENDSCRIPT
1.187     albertel 5439: 	my $href="/adm/pickcode?".
1.359     www      5440: 	   "form=".&escape("scantronupload").
                   5441: 	   "&scantron_format=".&escape($env{'form.scantron_format'}).
                   5442: 	   "&scantron_CODElist=".&escape($env{'form.scantron_CODElist'}).
                   5443: 	   "&curCODE=".&escape($$scan_record{'scantron.CODE'}).
                   5444: 	   "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'});
1.332     albertel 5445: 	if ($env{'form.scantron_CODElist'} =~ /\S/) { 
                   5446: 	    $r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it.</label> Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
                   5447: 	    $r->print("\n<br />");
                   5448: 	}
1.272     albertel 5449: 	$r->print("<label><input type='radio' name='scantron_CODE_resolution' value='use_typed' /> Use </label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" /> as the CODE.");
1.187     albertel 5450: 	$r->print("\n<br /><br />");
1.157     albertel 5451:     } elsif ($error eq 'doublebubble') {
                   5452: 	$r->print("<p>There have been multiple bubbles scanned for a some question(s)</p>\n");
                   5453: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
                   5454: 		  join(',',@{$arg}).'" />');
1.242     albertel 5455: 	$r->print($message);
1.157     albertel 5456: 	$r->print("<p>Please indicate which bubble should be used for grading</p>");
                   5457: 	foreach my $question (@{$arg}) {
                   5458: 	    my $selected=$$scan_record{"scantron.$question.answer"};
                   5459: 	    &scantron_bubble_selector($r,$scan_config,$question,split('',$selected));
                   5460: 	}
                   5461:     } elsif ($error eq 'missingbubble') {
                   5462: 	$r->print("<p>There have been <b>no</b> bubbles scanned for some question(s)</p>\n");
1.242     albertel 5463: 	$r->print($message);
1.157     albertel 5464: 	$r->print("<p>Please indicate which bubble should be used for grading</p>");
                   5465: 	$r->print("Some questions have no scanned bubbles\n");
                   5466: 	$r->print('<input type="hidden" name="scantron_questions" value="'.
                   5467: 		  join(',',@{$arg}).'" />');
                   5468: 	foreach my $question (@{$arg}) {
                   5469: 	    my $selected=$$scan_record{"scantron.$question.answer"};
                   5470: 	    &scantron_bubble_selector($r,$scan_config,$question);
                   5471: 	}
                   5472:     } else {
                   5473: 	$r->print("\n<ul>");
                   5474:     }
                   5475:     $r->print("\n</li></ul>");
                   5476: 
                   5477: }
                   5478: 
                   5479: sub scantron_bubble_selector {
                   5480:     my ($r,$scan_config,$quest,@selected)=@_;
                   5481:     my $max=$$scan_config{'Qlength'};
1.274     albertel 5482: 
                   5483:     my $scmode=$$scan_config{'Qon'};
                   5484:     if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }	     
                   5485: 
1.157     albertel 5486:     my @alphabet=('A'..'Z');
                   5487:     $r->print("<table border='1'><tr><td rowspan='2'>$quest</td>");
                   5488:     for (my $i=0;$i<$max+1;$i++) {
1.274     albertel 5489: 	$r->print("\n".'<td align="center">');
1.157     albertel 5490: 	if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
                   5491: 	else { $r->print('&nbsp;'); }
                   5492: 	$r->print('</td>');
                   5493:     }
1.274     albertel 5494:     $r->print('</tr><tr>');
1.157     albertel 5495:     for (my $i=0;$i<$max;$i++) {
1.274     albertel 5496: 	$r->print("\n".
                   5497: 		  '<td><label><input type="radio" name="scantron_correct_Q_'.
1.272     albertel 5498: 		  $quest.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
1.157     albertel 5499:     }
1.272     albertel 5500:     $r->print('<td><label><input type="radio" name="scantron_correct_Q_'.
                   5501: 	      $quest.'" value="none" /> No bubble </label></td>');
1.157     albertel 5502:     $r->print('</tr></table>');
                   5503: }
                   5504: 
1.194     albertel 5505: sub num_matches {
                   5506:     my ($orig,$code) = @_;
                   5507:     my @code=split(//,$code);
                   5508:     my @orig=split(//,$orig);
                   5509:     my $same=0;
                   5510:     for (my $i=0;$i<scalar(@code);$i++) {
                   5511: 	if ($code[$i] eq $orig[$i]) { $same++; }
                   5512:     }
                   5513:     return $same;
                   5514: }
                   5515: 
                   5516: sub scantron_get_closely_matching_CODEs {
                   5517:     my ($allcodes,$CODE)=@_;
                   5518:     my @CODEs;
                   5519:     foreach my $testcode (sort(keys(%{$allcodes}))) {
                   5520: 	push(@{$CODEs[&num_matches($CODE,$testcode)]},$testcode);
                   5521:     }
                   5522: 
                   5523:     return ($#CODEs,$CODEs[-1]);
                   5524: }
                   5525: 
                   5526: sub get_codes {
1.280     foxr     5527:     my ($old_name, $cdom, $cnum) = @_;
                   5528:     if (!$old_name) {
                   5529: 	$old_name=$env{'form.scantron_CODElist'};
                   5530:     }
                   5531:     if (!$cdom) {
                   5532: 	$cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   5533:     }
                   5534:     if (!$cnum) {
                   5535: 	$cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
                   5536:     }
1.278     albertel 5537:     my %result=&Apache::lonnet::get('CODEs',[$old_name,"type\0$old_name"],
                   5538: 				    $cdom,$cnum);
                   5539:     my %allcodes;
                   5540:     if ($result{"type\0$old_name"} eq 'number') {
                   5541: 	%allcodes=map {($_,1)} split(',',$result{$old_name});
                   5542:     } else {
                   5543: 	%allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
                   5544:     }
1.194     albertel 5545:     return %allcodes;
                   5546: }
                   5547: 
1.157     albertel 5548: sub scantron_validate_CODE {
                   5549:     my ($r,$currentphase) = @_;
1.257     albertel 5550:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.186     albertel 5551:     if ($scantron_config{'CODElocation'} &&
                   5552: 	$scantron_config{'CODEstart'} &&
                   5553: 	$scantron_config{'CODElength'}) {
1.257     albertel 5554: 	if (!defined($env{'form.scantron_CODElist'})) {
1.186     albertel 5555: 	    &FIXME_blow_up()
                   5556: 	}
                   5557:     } else {
                   5558: 	return (0,$currentphase+1);
                   5559:     }
                   5560:     
                   5561:     my %usedCODEs;
                   5562: 
1.194     albertel 5563:     my %allcodes=&get_codes();
1.186     albertel 5564: 
                   5565:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5566:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 5567: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.186     albertel 5568: 	if ($line=~/^[\s\cz]*$/) { next; }
                   5569: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   5570: 						 $scan_data);
                   5571: 	my $CODE=$$scan_record{'scantron.CODE'};
                   5572: 	my $error=0;
1.224     albertel 5573: 	if (!&Apache::lonnet::validCODE($CODE)) {
                   5574: 	    &scantron_get_correction($r,$i,$scan_record,
                   5575: 				     \%scantron_config,
                   5576: 				     $line,'incorrectCODE',\%allcodes);
                   5577: 	    return(1,$currentphase);
                   5578: 	}
1.221     albertel 5579: 	if (%allcodes && !exists($allcodes{$CODE}) 
                   5580: 	    && !$$scan_record{'scantron.useCODE'}) {
1.186     albertel 5581: 	    &scantron_get_correction($r,$i,$scan_record,
                   5582: 				     \%scantron_config,
1.194     albertel 5583: 				     $line,'incorrectCODE',\%allcodes);
                   5584: 	    return(1,$currentphase);
1.186     albertel 5585: 	}
1.214     albertel 5586: 	if (exists($usedCODEs{$CODE}) 
1.257     albertel 5587: 	    && $env{'form.scantron_CODEunique'} eq 'yes'
1.192     albertel 5588: 	    && !$$scan_record{'scantron.CODE_ignore_dup'}) {
1.186     albertel 5589: 	    &scantron_get_correction($r,$i,$scan_record,
                   5590: 				     \%scantron_config,
1.194     albertel 5591: 				     $line,'duplicateCODE',$usedCODEs{$CODE});
                   5592: 	    return(1,$currentphase);
1.186     albertel 5593: 	}
1.194     albertel 5594: 	push (@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
1.186     albertel 5595:     }
1.157     albertel 5596:     return (0,$currentphase+1);
                   5597: }
                   5598: 
                   5599: sub scantron_validate_doublebubble {
                   5600:     my ($r,$currentphase) = @_;
                   5601:     #get student info
                   5602:     my $classlist=&Apache::loncoursedata::get_classlist();
                   5603:     my %idmap=&username_to_idmap($classlist);
                   5604: 
                   5605:     #get scantron line setup
1.257     albertel 5606:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 5607:     my ($scanlines,$scan_data)=&scantron_getfile();
                   5608:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 5609: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 5610: 	if ($line=~/^[\s\cz]*$/) { next; }
                   5611: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   5612: 						 $scan_data);
                   5613: 	if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
                   5614: 	&scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
                   5615: 				 'doublebubble',
                   5616: 				 $$scan_record{'scantron.doubleerror'});
                   5617:     	return (1,$currentphase);
                   5618:     }
                   5619:     return (0,$currentphase+1);
                   5620: }
                   5621: 
1.330     albertel 5622: sub scantron_get_maxbubble {    
1.257     albertel 5623:     if (defined($env{'form.scantron_maxbubble'}) &&
                   5624: 	$env{'form.scantron_maxbubble'}) {
                   5625: 	return $env{'form.scantron_maxbubble'};
1.191     albertel 5626:     }
1.330     albertel 5627: 
1.191     albertel 5628:     my $navmap=Apache::lonnavmaps::navmap->new();
                   5629:     my (undef,undef,$sequence)=
1.257     albertel 5630: 	&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.330     albertel 5631: 
1.191     albertel 5632:     my $map=$navmap->getResourceByUrl($sequence);
                   5633:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.330     albertel 5634: 
                   5635:     &Apache::lonxml::clear_problem_counter();
                   5636: 
1.191     albertel 5637:     foreach my $resource (@resources) {
1.330     albertel 5638: 	my $result=&Apache::lonnet::ssi($resource->src(),
                   5639: 					('symb' => $resource->symb()));
1.191     albertel 5640:     }
                   5641:     &Apache::lonnet::delenv('scantron\.');
1.330     albertel 5642:     $env{'form.scantron_maxbubble'} =
                   5643: 	&Apache::lonxml::get_problem_counter()-1;
                   5644: 
1.257     albertel 5645:     return $env{'form.scantron_maxbubble'};
1.191     albertel 5646: }
                   5647: 
1.157     albertel 5648: sub scantron_validate_missingbubbles {
                   5649:     my ($r,$currentphase) = @_;
                   5650:     #get student info
                   5651:     my $classlist=&Apache::loncoursedata::get_classlist();
                   5652:     my %idmap=&username_to_idmap($classlist);
                   5653: 
                   5654:     #get scantron line setup
1.257     albertel 5655:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 5656:     my ($scanlines,$scan_data)=&scantron_getfile();
1.191     albertel 5657:     my $max_bubble=&scantron_get_maxbubble();
1.157     albertel 5658:     if (!$max_bubble) { $max_bubble=2**31; }
                   5659:     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
1.200     albertel 5660: 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 5661: 	if ($line=~/^[\s\cz]*$/) { next; }
                   5662: 	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   5663: 						 $scan_data);
                   5664: 	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
                   5665: 	my @to_correct;
                   5666: 	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
                   5667: 	    if ($missing > $max_bubble) { next; }
                   5668: 	    push(@to_correct,$missing);
                   5669: 	}
                   5670: 	if (@to_correct) {
                   5671: 	    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
                   5672: 				     $line,'missingbubble',\@to_correct);
                   5673: 	    return (1,$currentphase);
                   5674: 	}
                   5675: 
                   5676:     }
                   5677:     return (0,$currentphase+1);
                   5678: }
                   5679: 
1.82      albertel 5680: sub scantron_process_students {
1.75      albertel 5681:     my ($r) = @_;
1.257     albertel 5682:     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'});
1.324     albertel 5683:     my ($symb)=&get_symb($r);
1.81      albertel 5684:     if (!$symb) {return '';}
1.324     albertel 5685:     my $default_form_data=&defaultFormData($symb);
1.82      albertel 5686: 
1.257     albertel 5687:     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
1.157     albertel 5688:     my ($scanlines,$scan_data)=&scantron_getfile();
1.82      albertel 5689:     my $classlist=&Apache::loncoursedata::get_classlist();
                   5690:     my %idmap=&username_to_idmap($classlist);
1.132     bowersj2 5691:     my $navmap=Apache::lonnavmaps::navmap->new();
1.83      albertel 5692:     my $map=$navmap->getResourceByUrl($sequence);
                   5693:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
1.140     albertel 5694: #    $r->print("geto ".scalar(@resources)."<br />");
1.82      albertel 5695:     my $result= <<SCANTRONFORM;
1.81      albertel 5696: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
                   5697:   <input type="hidden" name="command" value="scantron_configphase" />
                   5698:   $default_form_data
                   5699: SCANTRONFORM
1.82      albertel 5700:     $r->print($result);
                   5701: 
                   5702:     my @delayqueue;
1.140     albertel 5703:     my %completedstudents;
                   5704:     
1.200     albertel 5705:     my $count=&get_todo_count($scanlines,$scan_data);
1.157     albertel 5706:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
1.200     albertel 5707:  				    'Scantron Progress',$count,
1.195     albertel 5708: 				    'inline',undef,'scantronupload');
1.140     albertel 5709:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
                   5710: 					  'Processing first student');
                   5711:     my $start=&Time::HiRes::time();
1.158     albertel 5712:     my $i=-1;
1.200     albertel 5713:     my ($uname,$udom,$started);
1.157     albertel 5714:     while ($i<$scanlines->{'count'}) {
                   5715:  	($uname,$udom)=('','');
                   5716:  	$i++;
1.200     albertel 5717:  	my $line=&scantron_get_line($scanlines,$scan_data,$i);
1.157     albertel 5718:  	if ($line=~/^[\s\cz]*$/) { next; }
1.200     albertel 5719: 	if ($started) {
                   5720: 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   5721: 						     'last student');
                   5722: 	}
                   5723: 	$started=1;
1.157     albertel 5724:  	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
                   5725:  						 $scan_data);
                   5726:  	unless ($uname=&scantron_find_student($scan_record,$scan_data,
                   5727:  					      \%idmap,$i)) {
                   5728:   	    &scantron_add_delay(\@delayqueue,$line,
                   5729:  				'Unable to find a student that matches',1);
                   5730:  	    next;
                   5731:   	}
                   5732:  	if (exists $completedstudents{$uname}) {
                   5733:  	    &scantron_add_delay(\@delayqueue,$line,
                   5734:  				'Student '.$uname.' has multiple sheets',2);
                   5735:  	    next;
                   5736:  	}
                   5737:   	($uname,$udom)=split(/:/,$uname);
1.330     albertel 5738: 
                   5739: 	&Apache::lonxml::clear_problem_counter();
1.157     albertel 5740:   	&Apache::lonnet::appenv(%$scan_record);
1.376     albertel 5741: 
                   5742: 	if (&scantron_clear_skip($scanlines,$scan_data,$i)) {
                   5743: 	    &scantron_putfile($scanlines,$scan_data);
                   5744: 	}
1.161     albertel 5745: 	
                   5746: 	my $i=0;
1.83      albertel 5747: 	foreach my $resource (@resources) {
1.85      albertel 5748: 	    $i++;
1.193     albertel 5749: 	    my %form=('submitted'     =>'scantron',
                   5750: 		      'grade_target'  =>'grade',
                   5751: 		      'grade_username'=>$uname,
                   5752: 		      'grade_domain'  =>$udom,
1.257     albertel 5753: 		      'grade_courseid'=>$env{'request.course.id'},
1.193     albertel 5754: 		      'grade_symb'    =>$resource->symb());
1.383     albertel 5755: 	    if (exists($scan_record->{'scantron.CODE'})
                   5756: 		&& 
                   5757: 		&Apache::lonnet::validCODE($scan_record->{'scantron.CODE'})) {
1.193     albertel 5758: 		$form{'CODE'}=$scan_record->{'scantron.CODE'};
1.224     albertel 5759: 	    } else {
                   5760: 		$form{'CODE'}='';
1.193     albertel 5761: 	    }
                   5762: 	    my $result=&Apache::lonnet::ssi($resource->src(),%form);
1.227     albertel 5763: 	    if ($result ne '') {
                   5764: 		&Apache::lonnet::logthis("scantron grading error -> $result");
1.257     albertel 5765: 		&Apache::lonnet::logthis("scantron grading error info name $uname domain $udom course $env{'request.course.id'} url ".$resource->src());
1.227     albertel 5766: 	    }
1.213     albertel 5767: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.83      albertel 5768: 	}
1.140     albertel 5769: 	$completedstudents{$uname}={'line'=>$line};
1.213     albertel 5770: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.140     albertel 5771:     } continue {
1.330     albertel 5772: 	&Apache::lonxml::clear_problem_counter();
1.83      albertel 5773: 	&Apache::lonnet::delenv('scantron\.');
1.82      albertel 5774:     }
1.140     albertel 5775:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
1.172     albertel 5776: #    my $lasttime = &Time::HiRes::time()-$start;
                   5777: #    $r->print("<p>took $lasttime</p>");
1.140     albertel 5778: 
1.200     albertel 5779:     $r->print("</form>");
1.324     albertel 5780:     $r->print(&show_grading_menu_form($symb));
1.157     albertel 5781:     return '';
1.75      albertel 5782: }
1.157     albertel 5783: 
                   5784: sub scantron_upload_scantron_data {
                   5785:     my ($r)=@_;
1.257     albertel 5786:     $r->print(&Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'}));
1.157     albertel 5787:     my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid',
1.181     albertel 5788: 							  'domainid',
                   5789: 							  'coursename');
1.257     albertel 5790:     my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'},
1.157     albertel 5791: 						   'domainid');
1.324     albertel 5792:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.157     albertel 5793:     $r->print(<<UPLOAD);
                   5794: <script type="text/javascript" language="javascript">
                   5795:     function checkUpload(formname) {
                   5796: 	if (formname.upfile.value == "") {
                   5797: 	    alert("Please use the browse button to select a file from your local directory.");
                   5798: 	    return false;
                   5799: 	}
                   5800: 	formname.submit();
                   5801:     }
                   5802: </script>
                   5803: 
                   5804: <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
1.162     albertel 5805: $default_form_data
1.181     albertel 5806: <table>
                   5807: <tr><td>$select_link </td></tr>
                   5808: <tr><td>Course ID:   </td><td><input name='courseid' type='text' />  </td></tr>
                   5809: <tr><td>Course Name: </td><td><input name='coursename' type='text' /></td></tr>
                   5810: <tr><td>Domain:      </td><td>$domsel                                </td></tr>
                   5811: <tr><td>File to upload:</td><td><input type="file" name="upfile" size="50" /></td></tr>
                   5812: </table>
1.157     albertel 5813: <input name='command' value='scantronupload_save' type='hidden' />
                   5814: <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
                   5815: </form>
                   5816: UPLOAD
                   5817:     return '';
                   5818: }
                   5819: 
                   5820: sub scantron_upload_scantron_data_save {
                   5821:     my($r)=@_;
1.324     albertel 5822:     my ($symb)=&get_symb($r,1);
1.182     albertel 5823:     my $doanotherupload=
                   5824: 	'<br /><form action="/adm/grades" method="post">'."\n".
                   5825: 	'<input type="hidden" name="command" value="scantronupload" />'."\n".
                   5826: 	'<input type="submit" name="submit" value="Do Another Upload" />'."\n".
                   5827: 	'</form>'."\n";
1.257     albertel 5828:     if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
1.162     albertel 5829: 	!&Apache::lonnet::allowed('usc',
1.257     albertel 5830: 			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
1.162     albertel 5831: 	$r->print("You are not allowed to upload Scantron data to the requested course.<br />");
1.182     albertel 5832: 	if ($symb) {
1.324     albertel 5833: 	    $r->print(&show_grading_menu_form($symb));
1.182     albertel 5834: 	} else {
                   5835: 	    $r->print($doanotherupload);
                   5836: 	}
1.162     albertel 5837: 	return '';
                   5838:     }
1.257     albertel 5839:     my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'});
1.211     ng       5840:     $r->print("Doing upload to ".$coursedata{'description'}." <br />");
1.257     albertel 5841:     my $fname=$env{'form.upfile.filename'};
1.157     albertel 5842:     #FIXME
                   5843:     #copied from lonnet::userfileupload()
                   5844:     #make that function able to target a specified course
                   5845:     # Replace Windows backslashes by forward slashes
                   5846:     $fname=~s/\\/\//g;
                   5847:     # Get rid of everything but the actual filename
                   5848:     $fname=~s/^.*\/([^\/]+)$/$1/;
                   5849:     # Replace spaces by underscores
                   5850:     $fname=~s/\s+/\_/g;
                   5851:     # Replace all other weird characters by nothing
                   5852:     $fname=~s/[^\w\.\-]//g;
                   5853:     # See if there is anything left
                   5854:     unless ($fname) { return 'error: no uploaded file'; }
1.209     ng       5855:     my $uploadedfile=$fname;
1.157     albertel 5856:     $fname='scantron_orig_'.$fname;
1.257     albertel 5857:     if (length($env{'form.upfile'}) < 2) {
1.398     albertel 5858: 	$r->print("<span class=\"LC_error\">Error:</span> The file you attempted to upload, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
1.183     albertel 5859:     } else {
1.275     albertel 5860: 	my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname);
1.210     albertel 5861: 	if ($result =~ m|^/uploaded/|) {
1.398     albertel 5862: 	    $r->print("<span class=\"LC_success\">Success:</span> Successfully uploaded ".(length($env{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
1.210     albertel 5863: 	} else {
1.398     albertel 5864: 	    $r->print("<span class=\"LC_error\">Error:</span> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."</tt>");
1.183     albertel 5865: 	}
                   5866:     }
1.174     albertel 5867:     if ($symb) {
1.209     ng       5868: 	$r->print(&scantron_selectphase($r,$uploadedfile));
1.174     albertel 5869:     } else {
1.182     albertel 5870: 	$r->print($doanotherupload);
1.174     albertel 5871:     }
1.157     albertel 5872:     return '';
                   5873: }
                   5874: 
1.202     albertel 5875: sub valid_file {
                   5876:     my ($requested_file)=@_;
                   5877:     foreach my $filename (sort(&scantron_filenames())) {
                   5878: 	if ($requested_file eq $filename) { return 1; }
                   5879:     }
                   5880:     return 0;
                   5881: }
                   5882: 
                   5883: sub scantron_download_scantron_data {
                   5884:     my ($r)=@_;
1.324     albertel 5885:     my $default_form_data=&defaultFormData(&get_symb($r,1));
1.257     albertel 5886:     my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
                   5887:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   5888:     my $file=$env{'form.scantron_selectfile'};
1.202     albertel 5889:     if (! &valid_file($file)) {
                   5890: 	$r->print(<<ERROR);
                   5891: 	<p>
                   5892: 	    The requested file name was invalid.
                   5893:         </p>
                   5894: ERROR
1.324     albertel 5895: 	$r->print(&show_grading_menu_form(&get_symb($r,1)));
1.202     albertel 5896: 	return;
                   5897:     }
                   5898:     my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
                   5899:     my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file;
                   5900:     my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file;
                   5901:     &Apache::lonnet::allowuploaded('/adm/grades',$orig);
                   5902:     &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
                   5903:     &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
                   5904:     $r->print(<<DOWNLOAD);
                   5905:     <p>
                   5906: 	<a href="$orig">Original</a> file as uploaded by the scantron office.
                   5907:     </p>
                   5908:     <p>
                   5909: 	<a href="$corrected">Corrections</a>, a file of corrected records that were used in grading.
                   5910:     </p>
                   5911:     <p>
                   5912: 	<a href="$skipped">Skipped</a>, a file of records that were skipped.
                   5913:     </p>
                   5914: DOWNLOAD
1.324     albertel 5915:     $r->print(&show_grading_menu_form(&get_symb($r,1)));
1.202     albertel 5916:     return '';
                   5917: }
1.157     albertel 5918: 
1.75      albertel 5919: #-------- end of section for handling grading scantron forms -------
                   5920: #
                   5921: #-------------------------------------------------------------------
                   5922: 
1.72      ng       5923: #-------------------------- Menu interface -------------------------
                   5924: #
                   5925: #--- Show a Grading Menu button - Calls the next routine ---
                   5926: sub show_grading_menu_form {
1.324     albertel 5927:     my ($symb)=@_;
1.125     ng       5928:     my $result.='<br /><form action="/adm/grades" method="post">'."\n".
1.418     albertel 5929: 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.257     albertel 5930: 	'<input type="hidden" name="saveState"  value="'.$env{'form.saveState'}.'" />'."\n".
1.72      ng       5931: 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
                   5932: 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
                   5933: 	'</form>'."\n";
                   5934:     return $result;
                   5935: }
                   5936: 
1.77      ng       5937: # -- Retrieve choices for grading form
                   5938: sub savedState {
                   5939:     my %savedState = ();
1.257     albertel 5940:     if ($env{'form.saveState'}) {
                   5941: 	foreach (split(/:/,$env{'form.saveState'})) {
1.77      ng       5942: 	    my ($key,$value) = split(/=/,$_,2);
                   5943: 	    $savedState{$key} = $value;
                   5944: 	}
                   5945:     }
                   5946:     return \%savedState;
                   5947: }
1.76      ng       5948: 
1.72      ng       5949: #--- Displays the main menu page -------
                   5950: sub gradingmenu {
                   5951:     my ($request) = @_;
1.324     albertel 5952:     my ($symb)=&get_symb($request);
1.72      ng       5953:     if (!$symb) {return '';}
1.76      ng       5954:     my $probTitle = &Apache::lonnet::gettitle($symb);
1.72      ng       5955: 
                   5956:     $request->print(<<GRADINGMENUJS);
                   5957: <script type="text/javascript" language="javascript">
1.116     ng       5958:     function checkChoice(formname,val,cmdx) {
                   5959: 	if (val <= 2) {
                   5960: 	    var cmd = radioSelection(formname.radioChoice);
1.118     ng       5961: 	    var cmdsave = cmd;
1.116     ng       5962: 	} else {
                   5963: 	    cmd = cmdx;
1.118     ng       5964: 	    cmdsave = 'submission';
1.116     ng       5965: 	}
                   5966: 	formname.command.value = cmd;
1.118     ng       5967: 	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
1.145     albertel 5968: 	    ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
1.116     ng       5969: 	if (val < 5) formname.submit();
                   5970: 	if (val == 5) {
1.72      ng       5971: 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
                   5972: 	    formname.submit();
                   5973: 	}
1.238     albertel 5974: 	if (val < 7) formname.submit();
1.72      ng       5975:     }
                   5976: 
                   5977:     function checkReceiptNo(formname,nospace) {
                   5978: 	var receiptNo = formname.receipt.value;
                   5979: 	var checkOpt = false;
                   5980: 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
                   5981: 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
                   5982: 	if (checkOpt) {
                   5983: 	    alert("Please enter a receipt number given by a student in the receipt box.");
                   5984: 	    formname.receipt.value = "";
                   5985: 	    formname.receipt.focus();
                   5986: 	    return false;
                   5987: 	}
                   5988: 	return true;
                   5989:     }
                   5990: </script>
                   5991: GRADINGMENUJS
1.118     ng       5992:     &commonJSfunctions($request);
1.398     albertel 5993:     my $result='<h3>&nbsp;<span class="LC_info">Manual Grading/View Submission</span></h3>';
1.324     albertel 5994:     my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle);
1.118     ng       5995:     $result.=$table;
1.76      ng       5996:     my (undef,$sections) = &getclasslist('all','0');
1.77      ng       5997:     my $savedState = &savedState();
1.118     ng       5998:     my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
1.77      ng       5999:     my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
1.118     ng       6000:     my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
1.77      ng       6001:     my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
1.72      ng       6002: 
                   6003:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
1.418     albertel 6004: 	'<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
1.72      ng       6005: 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
                   6006: 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
1.116     ng       6007: 	'<input type="hidden" name="command"     value="" />'."\n".
1.77      ng       6008: 	'<input type="hidden" name="saveState"   value="" />'."\n".
1.124     ng       6009: 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
1.72      ng       6010: 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
                   6011: 
1.326     albertel 6012:     $result.='<table width="100%" border="0"><tr><td bgcolor=#777777>'."\n".
                   6013: 	'<table width="100%" border="0"><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
1.72      ng       6014: 	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
1.116     ng       6015: 	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
                   6016: 
1.326     albertel 6017:     $result.='<table width="100%" border="0">';
1.116     ng       6018:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
1.167     sakharuk 6019: 	'&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
1.116     ng       6020:     if (ref($sections)) {
1.155     albertel 6021: 	foreach (sort (@$sections)) {
                   6022: 	    $result.='<option value="'.$_.'" '.
1.401     albertel 6023: 		($saveSec eq $_ ? 'selected="selected"':'').'>'.$_.'</option>'."\n";
1.155     albertel 6024: 	}
1.116     ng       6025:     }
1.401     albertel 6026:     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="selected"' : ''). '>all</option></select> &nbsp; ';
1.116     ng       6027: 
1.401     albertel 6028:     $result.=&mt('Student Status').':'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
1.72      ng       6029: 
1.116     ng       6030:     $result.='</td></tr>';
                   6031: 
1.288     albertel 6032:     $result.='<tr bgcolor="#ffffe6"valign="top"><td><label>'.
1.118     ng       6033: 	'<input type="radio" name="radioChoice" value="submission" '.
1.401     albertel 6034: 	($saveCmd eq 'submission' ? 'checked="checked"' : '').' /> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
1.288     albertel 6035: 	'</label> <select name="submitonly">'.
1.145     albertel 6036: 	'<option value="yes" '.
1.401     albertel 6037: 	($saveSub eq 'yes' ? 'selected="selected"' : '').'>'.&mt('with submissions').'</option>'.
1.301     albertel 6038: 	'<option value="queued" '.
1.401     albertel 6039: 	($saveSub eq 'queued' ? 'selected="selected"' : '').'>'.&mt('in grading queue').'</option>'.
1.145     albertel 6040: 	'<option value="graded" '.
1.401     albertel 6041: 	($saveSub eq 'graded' ? 'selected="selected"' : '').'>'.&mt('with ungraded submissions').'</option>'.
1.156     albertel 6042: 	'<option value="incorrect" '.
1.401     albertel 6043: 	($saveSub eq 'incorrect' ? 'selected="selected"' : '').'>'.&mt('with incorrect submissions').'</option>'.
1.145     albertel 6044: 	'<option value="all" '.
1.401     albertel 6045: 	($saveSub eq 'all' ? 'selected="selected"' : '').'>'.&mt('with any status').'</option></select></td></tr>'."\n";
1.72      ng       6046: 
1.116     ng       6047:     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
1.288     albertel 6048: 	'<label><input type="radio" name="radioChoice" value="viewgrades" '.
1.401     albertel 6049: 	($saveCmd eq 'viewgrades' ? 'checked="checked"' : '').' /> '.
1.288     albertel 6050: 	'<b>Current Resource:</b> For all students in selected section or course</label></td></tr>'."\n";
1.72      ng       6051: 
1.118     ng       6052:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
1.288     albertel 6053: 	'<label><input type="radio" name="radioChoice" value="pickStudentPage" '.
1.401     albertel 6054: 	($saveCmd eq 'pickStudentPage' ? 'checked="checked"' : '').' /> '.
1.288     albertel 6055: 	'The <b>complete</b> set/page/sequence: For one student</label></td></tr>'."\n";
1.46      ng       6056: 
1.116     ng       6057:     $result.='<tr bgcolor="#ffffe6"><td><br />'.
1.126     ng       6058: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
1.116     ng       6059: 	'</td></tr></table>'."\n";
                   6060: 
                   6061:     $result.='</td><td valign="top">';
                   6062: 
1.326     albertel 6063:     $result.='<table width="100%" border="0">';
1.116     ng       6064:     $result.='<tr bgcolor="#ffffe6"><td>'.
1.184     www      6065: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="'.&mt('Upload').'" />'.
                   6066: 	' '.&mt('scores from file').' </td></tr>'."\n";
1.72      ng       6067: 
1.404     www      6068:     $result.='<tr bgcolor="#ffffe6"><td>'.
                   6069:         '<input type="button" onClick="javascript:checkChoice(this.form,\'6\',\'processclicker\');" value="'.&mt('Process').'" />'.
                   6070:         ' '.&mt('clicker file').' </td></tr>'."\n";
1.400     www      6071: 
1.75      albertel 6072:     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
1.116     ng       6073: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
1.184     www      6074: 	'" value="'.&mt('Grade').'" /> scantron forms</td></tr>'."\n";
1.75      albertel 6075: 
1.257     albertel 6076:     if ((&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) && ($symb)) {
1.72      ng       6077: 	$result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
1.184     www      6078: 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="'.&mt('Verify').'" />'.
                   6079: 	    ' '.&mt('receipt').': '.
1.257     albertel 6080: 	    &Apache::lonnet::recprefix($env{'request.course.id'}).
1.326     albertel 6081: 	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')" />'.
1.72      ng       6082: 	    '</td></tr>'."\n";
                   6083:     } 
1.238     albertel 6084:     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
                   6085: 	'<input type="button" onClick="javascript:this.form.action=\'/adm/helper/resettimes.helper\';this.form.submit();'.
                   6086: 	'" value="'.&mt('Manage').'" /> access times.</td></tr>'."\n";
1.279     albertel 6087:     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
                   6088: 	'<input type="button" onClick="javascript:this.form.command.value=\'codelist\';this.form.action=\'/adm/pickcode\';this.form.submit();'.
                   6089: 	'" value="'.&mt('View').'" /> saved CODEs.</td></tr>'."\n";
1.44      ng       6090: 
1.401     albertel 6091:     $result.='</table>'."\n".
1.72      ng       6092: 	'</td></tr></table>'."\n".
1.401     albertel 6093: 	'</td></tr></table></form>'."\n";
1.44      ng       6094:     return $result;
1.2       albertel 6095: }
                   6096: 
1.285     albertel 6097: sub reset_perm {
                   6098:     undef(%perm);
                   6099: }
                   6100: 
                   6101: sub init_perm {
                   6102:     &reset_perm();
1.300     albertel 6103:     foreach my $test_perm ('vgr','mgr','opa') {
                   6104: 
                   6105: 	my $scope = $env{'request.course.id'};
                   6106: 	if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) {
                   6107: 
                   6108: 	    $scope .= '/'.$env{'request.course.sec'};
                   6109: 	    if ( $perm{$test_perm}=
                   6110: 		 &Apache::lonnet::allowed($test_perm,$scope)) {
                   6111: 		$perm{$test_perm.'_section'}=$env{'request.course.sec'};
                   6112: 	    } else {
                   6113: 		delete($perm{$test_perm});
                   6114: 	    }
1.285     albertel 6115: 	}
                   6116:     }
                   6117: }
                   6118: 
1.400     www      6119: sub gather_clicker_ids {
1.408     albertel 6120:     my %clicker_ids;
1.400     www      6121: 
                   6122:     my $classlist = &Apache::loncoursedata::get_classlist();
                   6123: 
                   6124:     # Set up a couple variables.
1.407     albertel 6125:     my $username_idx = &Apache::loncoursedata::CL_SNAME();
                   6126:     my $domain_idx   = &Apache::loncoursedata::CL_SDOM();
1.400     www      6127: 
1.407     albertel 6128:     foreach my $student (keys(%$classlist)) {
1.400     www      6129: 
1.407     albertel 6130:         my $username = $classlist->{$student}->[$username_idx];
                   6131:         my $domain   = $classlist->{$student}->[$domain_idx];
1.400     www      6132:         my $clickers =
1.408     albertel 6133: 	    (&Apache::lonnet::userenvironment($domain,$username,'clickers'))[1];
1.400     www      6134:         foreach my $id (split(/\,/,$clickers)) {
1.414     www      6135:             $id=~s/^[\#0]+//;
1.421   ! www      6136:             $id=~s/[\-\:]//g;
1.407     albertel 6137:             if (exists($clicker_ids{$id})) {
1.408     albertel 6138: 		$clicker_ids{$id}.=','.$username.':'.$domain;
1.400     www      6139:             } else {
1.408     albertel 6140: 		$clicker_ids{$id}=$username.':'.$domain;
1.400     www      6141:             }
                   6142:         }
                   6143:     }
1.407     albertel 6144:     return %clicker_ids;
1.400     www      6145: }
                   6146: 
1.402     www      6147: sub gather_adv_clicker_ids {
1.408     albertel 6148:     my %clicker_ids;
1.402     www      6149:     my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
                   6150:     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                   6151:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.409     albertel 6152:     foreach my $element (sort(keys(%coursepersonnel))) {
1.402     www      6153:         foreach my $person (split(/\,/,$coursepersonnel{$element})) {
                   6154:             my ($puname,$pudom)=split(/\:/,$person);
                   6155:             my $clickers =
1.408     albertel 6156: 		(&Apache::lonnet::userenvironment($pudom,$puname,'clickers'))[1];
1.405     www      6157:             foreach my $id (split(/\,/,$clickers)) {
1.414     www      6158: 		$id=~s/^[\#0]+//;
1.421   ! www      6159:                 $id=~s/[\-\:]//g;
1.408     albertel 6160: 		if (exists($clicker_ids{$id})) {
                   6161: 		    $clicker_ids{$id}.=','.$puname.':'.$pudom;
                   6162: 		} else {
                   6163: 		    $clicker_ids{$id}=$puname.':'.$pudom;
                   6164: 		}
1.405     www      6165:             }
1.402     www      6166:         }
                   6167:     }
1.407     albertel 6168:     return %clicker_ids;
1.402     www      6169: }
                   6170: 
1.413     www      6171: sub clicker_grading_parameters {
                   6172:     return ('gradingmechanism' => 'scalar',
                   6173:             'upfiletype' => 'scalar',
                   6174:             'specificid' => 'scalar',
                   6175:             'pcorrect' => 'scalar',
                   6176:             'pincorrect' => 'scalar');
                   6177: }
                   6178: 
1.400     www      6179: sub process_clicker {
                   6180:     my ($r)=@_;
                   6181:     my ($symb)=&get_symb($r);
                   6182:     if (!$symb) {return '';}
                   6183:     my $result=&checkforfile_js();
                   6184:     $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
                   6185:     my ($table) = &showResourceInfo($symb,$env{'form.probTitle'});
                   6186:     $result.=$table;
                   6187:     $result.='<br /><table width="100%" border="0"><tr><td bgcolor="#777777">'."\n";
                   6188:     $result.='<table width="100%" border="0"><tr bgcolor="#e6ffff"><td>'."\n";
                   6189:     $result.='&nbsp;<b>'.&mt('Specify a file containing the clicker information for this resource').
                   6190:         '.</b></td></tr>'."\n";
                   6191:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
1.413     www      6192: # Attempt to restore parameters from last session, set defaults if not present
                   6193:     my %Saveable_Parameters=&clicker_grading_parameters();
                   6194:     &Apache::loncommon::restore_course_settings('grades_clicker',
                   6195:                                                  \%Saveable_Parameters);
                   6196:     if (!$env{'form.pcorrect'}) { $env{'form.pcorrect'}=100; }
                   6197:     if (!$env{'form.pincorrect'}) { $env{'form.pincorrect'}=100; }
                   6198:     if (!$env{'form.gradingmechanism'}) { $env{'form.gradingmechanism'}='attendance'; }
                   6199:     if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; }
                   6200: 
                   6201:     my %checked;
                   6202:     foreach my $gradingmechanism ('attendance','personnel','specific') {
                   6203:        if ($env{'form.gradingmechanism'} eq $gradingmechanism) {
                   6204:           $checked{$gradingmechanism}="checked='checked'";
                   6205:        }
                   6206:     }
                   6207: 
1.400     www      6208:     my $upload=&mt("Upload File");
                   6209:     my $type=&mt("Type");
1.402     www      6210:     my $attendance=&mt("Award points just for participation");
                   6211:     my $personnel=&mt("Correctness determined from response by course personnel");
1.414     www      6212:     my $specific=&mt("Correctness determined from response with clicker ID(s)"); 
1.402     www      6213:     my $pcorrect=&mt("Percentage points for correct solution");
                   6214:     my $pincorrect=&mt("Percentage points for incorrect solution");
1.413     www      6215:     my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype',
1.419     www      6216: 						   ('iclicker' => 'i>clicker',
                   6217:                                                     'interwrite' => 'interwrite PRS'));
1.418     albertel 6218:     $symb = &Apache::lonenc::check_encrypt($symb);
1.400     www      6219:     $result.=<<ENDUPFORM;
1.402     www      6220: <script type="text/javascript">
                   6221: function sanitycheck() {
                   6222: // Accept only integer percentages
                   6223:    document.forms.gradesupload.pcorrect.value=Math.round(document.forms.gradesupload.pcorrect.value);
                   6224:    document.forms.gradesupload.pincorrect.value=Math.round(document.forms.gradesupload.pincorrect.value);
                   6225: // Find out grading choice
                   6226:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   6227:       if (document.forms.gradesupload.gradingmechanism[i].checked) {
                   6228:          gradingchoice=document.forms.gradesupload.gradingmechanism[i].value;
                   6229:       }
                   6230:    }
                   6231: // By default, new choice equals user selection
                   6232:    newgradingchoice=gradingchoice;
                   6233: // Not good to give more points for false answers than correct ones
                   6234:    if (Math.round(document.forms.gradesupload.pcorrect.value)<Math.round(document.forms.gradesupload.pincorrect.value)) {
                   6235:       document.forms.gradesupload.pcorrect.value=document.forms.gradesupload.pincorrect.value;
                   6236:    }
                   6237: // If new choice is attendance only, and old choice was correctness-based, restore defaults
                   6238:    if ((gradingchoice=='attendance') && (document.forms.gradesupload.waschecked.value!='attendance')) {
                   6239:       document.forms.gradesupload.pcorrect.value=100;
                   6240:       document.forms.gradesupload.pincorrect.value=100;
                   6241:    }
                   6242: // If the values are different, cannot be attendance only
                   6243:    if ((Math.round(document.forms.gradesupload.pcorrect.value)!=Math.round(document.forms.gradesupload.pincorrect.value)) &&
                   6244:        (gradingchoice=='attendance')) {
                   6245:        newgradingchoice='personnel';
                   6246:    }
                   6247: // Change grading choice to new one
                   6248:    for (i=0; i<document.forms.gradesupload.gradingmechanism.length; i++) {
                   6249:       if (document.forms.gradesupload.gradingmechanism[i].value==newgradingchoice) {
                   6250:          document.forms.gradesupload.gradingmechanism[i].checked=true;
                   6251:       } else {
                   6252:          document.forms.gradesupload.gradingmechanism[i].checked=false;
                   6253:       }
                   6254:    }
                   6255: // Remember the old state
                   6256:    document.forms.gradesupload.waschecked.value=newgradingchoice;
                   6257: }
                   6258: </script>
1.400     www      6259: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                   6260: <input type="hidden" name="symb" value="$symb" />
                   6261: <input type="hidden" name="command" value="processclickerfile" />
                   6262: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   6263: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
                   6264: <input type="file" name="upfile" size="50" />
                   6265: <br /><label>$type: $selectform</label>
1.413     www      6266: <br /><label>$attendance: <input type="radio" name="gradingmechanism" value="attendance" $checked{'attendance'} onClick="sanitycheck()" /></label>
                   6267: <br /><label>$personnel: <input type="radio" name="gradingmechanism" value="personnel" $checked{'personnel'} onClick="sanitycheck()" /></label>
                   6268: <br /><label>$specific: <input type="radio" name="gradingmechanism" value="specific" $checked{'specific'} onClick="sanitycheck()" /></label>
1.414     www      6269: <input type="text" name="specificid" value="$env{'form.specificid'}" size="20" />
1.413     www      6270: <input type="hidden" name="waschecked" value="$env{'form.gradingmechanism'}" />
                   6271: <br /><label>$pcorrect: <input type="text" name="pcorrect" size="4" value="$env{'form.pcorrect'}" onChange="sanitycheck()" /></label>
                   6272: <br /><label>$pincorrect: <input type="text" name="pincorrect" size="4" value="$env{'form.pincorrect'}" onChange="sanitycheck()" /></label>
1.400     www      6273: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="$upload" />
                   6274: </form>
                   6275: ENDUPFORM
                   6276:     $result.='</td></tr></table>'."\n".
                   6277:              '</td></tr></table><br /><br />'."\n";
                   6278:     $result.=&show_grading_menu_form($symb);
                   6279:     return $result;
                   6280: }
                   6281: 
                   6282: sub process_clicker_file {
                   6283:     my ($r)=@_;
                   6284:     my ($symb)=&get_symb($r);
                   6285:     if (!$symb) {return '';}
1.413     www      6286: 
                   6287:     my %Saveable_Parameters=&clicker_grading_parameters();
                   6288:     &Apache::loncommon::store_course_settings('grades_clicker',
                   6289:                                               \%Saveable_Parameters);
                   6290: 
1.400     www      6291:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.404     www      6292:     if (($env{'form.gradingmechanism'} eq 'specific') && ($env{'form.specificid'}!~/\w/)) {
1.408     albertel 6293: 	$result.='<span class="LC_error">'.&mt('You need to specify a clicker ID for the correct answer').'</span>';
                   6294: 	return $result.&show_grading_menu_form($symb);
1.404     www      6295:     }
1.407     albertel 6296:     my %clicker_ids=&gather_clicker_ids();
1.408     albertel 6297:     my %correct_ids;
1.404     www      6298:     if ($env{'form.gradingmechanism'} eq 'personnel') {
1.408     albertel 6299: 	%correct_ids=&gather_adv_clicker_ids();
1.404     www      6300:     }
                   6301:     if ($env{'form.gradingmechanism'} eq 'specific') {
1.414     www      6302: 	foreach my $correct_id (split(/[\s\,]/,$env{'form.specificid'})) {;
                   6303: 	   $correct_id=~tr/a-z/A-Z/;
                   6304: 	   $correct_id=~s/\s//gs;
                   6305: 	   $correct_id=~s/^[\#0]+//;
1.421   ! www      6306:            $correct_id=~s/[\-\:]//g;
1.414     www      6307:            if ($correct_id) {
                   6308: 	      $correct_ids{$correct_id}='specified';
                   6309:            }
                   6310:         }
1.400     www      6311:     }
1.404     www      6312:     if ($env{'form.gradingmechanism'} eq 'attendance') {
1.408     albertel 6313: 	$result.=&mt('Score based on attendance only');
1.404     www      6314:     } else {
1.408     albertel 6315: 	my $number=0;
1.411     www      6316: 	$result.='<p><b>'.&mt('Correctness determined by the following IDs').'</b>';
1.408     albertel 6317: 	foreach my $id (sort(keys(%correct_ids))) {
1.411     www      6318: 	    $result.='<br /><tt>'.$id.'</tt> - ';
1.408     albertel 6319: 	    if ($correct_ids{$id} eq 'specified') {
                   6320: 		$result.=&mt('specified');
                   6321: 	    } else {
                   6322: 		my ($uname,$udom)=split(/\:/,$correct_ids{$id});
                   6323: 		$result.=&Apache::loncommon::plainname($uname,$udom);
                   6324: 	    }
                   6325: 	    $number++;
                   6326: 	}
1.411     www      6327:         $result.="</p>\n";
1.408     albertel 6328: 	if ($number==0) {
                   6329: 	    $result.='<span class="LC_error">'.&mt('No IDs found to determine correct answer').'</span>';
                   6330: 	    return $result.&show_grading_menu_form($symb);
                   6331: 	}
1.404     www      6332:     }
1.405     www      6333:     if (length($env{'form.upfile'}) < 2) {
1.407     albertel 6334:         $result.=&mt('[_1] Error: [_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.',
                   6335: 		     '<span class="LC_error">',
                   6336: 		     '</span>',
                   6337: 		     '<span class="LC_filename">'.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').'</span>');
1.405     www      6338:         return $result.&show_grading_menu_form($symb);
                   6339:     }
1.410     www      6340: 
                   6341: # Were able to get all the info needed, now analyze the file
                   6342: 
1.411     www      6343:     $result.=&Apache::loncommon::studentbrowser_javascript();
1.418     albertel 6344:     $symb = &Apache::lonenc::check_encrypt($symb);
1.410     www      6345:     my $heading=&mt('Scanning clicker file');
                   6346:     $result.=(<<ENDHEADER);
                   6347: <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
                   6348: <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
                   6349: <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
                   6350: <form method="post" action="/adm/grades" name="clickeranalysis">
                   6351: <input type="hidden" name="symb" value="$symb" />
                   6352: <input type="hidden" name="command" value="assignclickergrades" />
                   6353: <input type="hidden" name="probTitle" value="$env{'form.probTitle'}" />
                   6354: <input type="hidden" name="saveState"  value="$env{'form.saveState'}" />
1.411     www      6355: <input type="hidden" name="gradingmechanism" value="$env{'form.gradingmechanism'}" />
                   6356: <input type="hidden" name="pcorrect" value="$env{'form.pcorrect'}" />
                   6357: <input type="hidden" name="pincorrect" value="$env{'form.pincorrect'}" />
1.410     www      6358: ENDHEADER
1.408     albertel 6359:     my %responses;
                   6360:     my @questiontitles;
1.405     www      6361:     my $errormsg='';
                   6362:     my $number=0;
                   6363:     if ($env{'form.upfiletype'} eq 'iclicker') {
1.408     albertel 6364: 	($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses);
1.406     www      6365:     }
1.419     www      6366:     if ($env{'form.upfiletype'} eq 'interwrite') {
                   6367:         ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses);
                   6368:     }
1.411     www      6369:     $result.='<br />'.&mt('Found [_1] question(s)',$number).'<br />'.
                   6370:              '<input type="hidden" name="number" value="'.$number.'" />'.
                   6371:              &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses',
                   6372:                  $env{'form.pcorrect'},$env{'form.pincorrect'}).
                   6373:              '<br />';
1.414     www      6374: # Remember Question Titles
                   6375: # FIXME: Possibly need delimiter other than ":"
                   6376:     for (my $i=0;$i<$number;$i++) {
                   6377:         $result.='<input type="hidden" name="question:'.$i.'" value="'.
                   6378:                  &HTML::Entities::encode($questiontitles[$i],'"&<>').'" />';
                   6379:     }
1.411     www      6380:     my $correct_count=0;
                   6381:     my $student_count=0;
                   6382:     my $unknown_count=0;
1.414     www      6383: # Match answers with usernames
                   6384: # FIXME: Possibly need delimiter other than ":"
1.409     albertel 6385:     foreach my $id (keys(%responses)) {
1.410     www      6386:        if ($correct_ids{$id}) {
1.414     www      6387:           $result.="\n".'<input type="hidden" name="correct:'.$correct_count.':'.$correct_ids{$id}.'" value="'.$responses{$id}.'" />';
1.411     www      6388:           $correct_count++;
1.410     www      6389:        } elsif ($clicker_ids{$id}) {
                   6390:           $result.="\n".'<input type="hidden" name="student:'.$clicker_ids{$id}.'" value="'.$responses{$id}.'" />';
1.411     www      6391:           $student_count++;
1.410     www      6392:        } else {
1.411     www      6393:           $result.="\n<hr />".&mt('Unregistered Clicker')." <tt>".$id."</tt><br />";
                   6394:           $result.="\n".'<input type="hidden" name="unknown:'.$id.'" value="'.$responses{$id}.'" />'.
                   6395:                    "\n".&mt("Username").": <input type='text' name='uname".$id."' />&nbsp;".
                   6396:                    "\n".&mt("Domain").": ".
                   6397:                    &Apache::loncommon::select_dom_form($env{'course.'.$env{'request.course.id'}.'.domain'},'udom'.$id).'&nbsp;'.
                   6398:                    &Apache::loncommon::selectstudent_link('clickeranalysis','uname'.$id,'udom'.$id);
                   6399:           $unknown_count++;
1.410     www      6400:        }
1.405     www      6401:     }
1.412     www      6402:     $result.='<hr />'.
                   6403:              &mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count);
                   6404:     if ($env{'form.gradingmechanism'} ne 'attendance') {
                   6405:        if ($correct_count==0) {
                   6406:           $errormsg.="Found no correct answers answers for grading!";
                   6407:        } elsif ($correct_count>1) {
1.414     www      6408:           $result.='<br /><span class="LC_warning">'.&mt("Found [_1] entries for grading!",$correct_count).'</span>';
1.412     www      6409:        }
                   6410:     }
                   6411:     if ($errormsg) {
                   6412:        $result.='<br /><span class="LC_error">'.&mt($errormsg).'</span>';
                   6413:     } else {
                   6414:        $result.='<br /><input type="submit" name="finalize" value="'.&mt('Finalize Grading').'" />';
                   6415:     }
                   6416:     $result.='</form></td></tr></table>'."\n".
1.410     www      6417:              '</td></tr></table><br /><br />'."\n";
1.404     www      6418:     return $result.&show_grading_menu_form($symb);
1.400     www      6419: }
                   6420: 
1.405     www      6421: sub iclicker_eval {
1.406     www      6422:     my ($questiontitles,$responses)=@_;
1.405     www      6423:     my $number=0;
                   6424:     my $errormsg='';
                   6425:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
1.410     www      6426:         my %components=&Apache::loncommon::record_sep($line);
                   6427:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.408     albertel 6428: 	if ($entries[0] eq 'Question') {
                   6429: 	    for (my $i=3;$i<$#entries;$i+=6) {
                   6430: 		$$questiontitles[$number]=$entries[$i];
                   6431: 		$number++;
                   6432: 	    }
                   6433: 	}
                   6434: 	if ($entries[0]=~/^\#/) {
                   6435: 	    my $id=$entries[0];
                   6436: 	    my @idresponses;
                   6437: 	    $id=~s/^[\#0]+//;
                   6438: 	    for (my $i=0;$i<$number;$i++) {
                   6439: 		my $idx=3+$i*6;
                   6440: 		push(@idresponses,$entries[$idx]);
                   6441: 	    }
                   6442: 	    $$responses{$id}=join(',',@idresponses);
                   6443: 	}
1.405     www      6444:     }
                   6445:     return ($errormsg,$number);
                   6446: }
                   6447: 
1.419     www      6448: sub interwrite_eval {
                   6449:     my ($questiontitles,$responses)=@_;
                   6450:     my $number=0;
                   6451:     my $errormsg='';
1.420     www      6452:     my $skipline=1;
                   6453:     my $questionnumber=0;
                   6454:     my %idresponses=();
1.419     www      6455:     foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) {
                   6456:         my %components=&Apache::loncommon::record_sep($line);
                   6457:         my @entries=map {$components{$_}} (sort(keys(%components)));
1.420     www      6458:         if ($entries[1] eq 'Time') { $skipline=0; next; }
                   6459:         if ($entries[1] eq 'Response') { $skipline=1; }
                   6460:         next if $skipline;
                   6461:         if ($entries[0]!=$questionnumber) {
                   6462:            $questionnumber=$entries[0];
                   6463:            $$questiontitles[$number]=&mt('Question [_1]',$questionnumber);
                   6464:            $number++;
1.419     www      6465:         }
1.420     www      6466:         my $id=$entries[4];
                   6467:         $id=~s/^[\#0]+//;
1.421   ! www      6468:         $id=~s/^v\d*\://i;
        !          6469:         $id=~s/[\-\:]//g;
1.420     www      6470:         $idresponses{$id}[$number]=$entries[6];
                   6471:     }
                   6472:     foreach my $id (keys %idresponses) {
                   6473:        $$responses{$id}=join(',',@{$idresponses{$id}});
                   6474:        $$responses{$id}=~s/^\s*\,//;
1.419     www      6475:     }
                   6476:     return ($errormsg,$number);
                   6477: }
                   6478: 
1.414     www      6479: sub assign_clicker_grades {
                   6480:     my ($r)=@_;
                   6481:     my ($symb)=&get_symb($r);
                   6482:     if (!$symb) {return '';}
1.416     www      6483: # See which part we are saving to
                   6484:     my ($partlist,$handgrade,$responseType) = &response_type($symb);
                   6485: # FIXME: This should probably look for the first handgradeable part
                   6486:     my $part=$$partlist[0];
                   6487: # Start screen output
1.414     www      6488:     my ($result) = &showResourceInfo($symb,$env{'form.probTitle'});
1.416     www      6489: 
1.414     www      6490:     my $heading=&mt('Assigning grades based on clicker file');
                   6491:     $result.=(<<ENDHEADER);
                   6492: <br /><table width="100%" border="0"><tr><td bgcolor="#777777">
                   6493: <table width="100%" border="0"><tr bgcolor="#e6ffff"><td>
                   6494: <b>$heading</b></td></tr><tr bgcolor=#ffffe6><td>
                   6495: ENDHEADER
                   6496: # Get correct result
                   6497: # FIXME: Possibly need delimiter other than ":"
                   6498:     my @correct=();
1.415     www      6499:     my $gradingmechanism=$env{'form.gradingmechanism'};
                   6500:     my $number=$env{'form.number'};
                   6501:     if ($gradingmechanism ne 'attendance') {
1.414     www      6502:        foreach my $key (keys(%env)) {
                   6503:           if ($key=~/^form\.correct\:/) {
                   6504:              my @input=split(/\,/,$env{$key});
                   6505:              for (my $i=0;$i<=$#input;$i++) {
                   6506:                  if (($correct[$i]) && ($input[$i]) &&
                   6507:                      ($correct[$i] ne $input[$i])) {
                   6508:                     $result.='<br /><span class="LC_warning">'.
                   6509:                              &mt('More than one correct result given for question "[_1]": [_2] versus [_3].',
                   6510:                                  $env{'form.question:'.$i},$correct[$i],$input[$i]).'</span>';
                   6511:                  } elsif ($input[$i]) {
                   6512:                     $correct[$i]=$input[$i];
                   6513:                  }
                   6514:              }
                   6515:           }
                   6516:        }
1.415     www      6517:        for (my $i=0;$i<$number;$i++) {
1.414     www      6518:           if (!$correct[$i]) {
                   6519:              $result.='<br /><span class="LC_error">'.
                   6520:                       &mt('No correct result given for question "[_1]"!',
                   6521:                           $env{'form.question:'.$i}).'</span>';
                   6522:           }
                   6523:        }
                   6524:        $result.='<br />'.&mt("Correct answer: [_1]",join(', ',map { ($_?$_:'-') } @correct));
                   6525:     }
                   6526: # Start grading
1.415     www      6527:     my $pcorrect=$env{'form.pcorrect'};
                   6528:     my $pincorrect=$env{'form.pincorrect'};
1.416     www      6529:     my $storecount=0;
1.415     www      6530:     foreach my $key (keys(%env)) {
1.420     www      6531:        my $user='';
1.415     www      6532:        if ($key=~/^form\.student\:(.*)$/) {
1.420     www      6533:           $user=$1;
                   6534:        }
                   6535:        if ($key=~/^form\.unknown\:(.*)$/) {
                   6536:           my $id=$1;
                   6537:           if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) {
                   6538:              $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id};
                   6539:           }
                   6540:        }
                   6541:        if ($user) { 
1.415     www      6542:           my @answer=split(/\,/,$env{$key});
                   6543:           my $sum=0;
                   6544:           for (my $i=0;$i<$number;$i++) {
                   6545:              if ($answer[$i]) {
                   6546:                 if ($gradingmechanism eq 'attendance') {
                   6547:                    $sum+=$pcorrect;
                   6548:                 } else {
                   6549:                    if ($answer[$i] eq $correct[$i]) {
                   6550:                       $sum+=$pcorrect;
                   6551:                    } else {
                   6552:                       $sum+=$pincorrect;
                   6553:                    }
                   6554:                 }
                   6555:              }
                   6556:           }
1.416     www      6557:           my $ave=$sum/(100*$number);
                   6558: # Store
                   6559:           my ($username,$domain)=split(/\:/,$user);
                   6560:           my %grades=();
                   6561:           $grades{"resource.$part.solved"}='correct_by_override';
                   6562:           $grades{"resource.$part.awarded"}=$ave;
                   6563:           $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}";
                   6564:           my $returncode=&Apache::lonnet::cstore(\%grades,$symb,
                   6565:                                                  $env{'request.course.id'},
                   6566:                                                  $domain,$username);
                   6567:           if ($returncode ne 'ok') {
                   6568:              $result.="<br /><span class=\"LC_error\">Failed to save student $username:$domain. Message when trying to save was ($returncode)</span>";
                   6569:           } else {
                   6570:              $storecount++;
                   6571:           }
1.415     www      6572:        }
                   6573:     }
                   6574: # We are done
1.416     www      6575:     $result.='<br />'.&mt('Successfully stored grades for [_1] student(s).',$storecount).
                   6576:              '</td></tr></table>'."\n".
1.414     www      6577:              '</td></tr></table><br /><br />'."\n";
                   6578:     return $result.&show_grading_menu_form($symb);
                   6579: }
                   6580: 
1.1       albertel 6581: sub handler {
1.41      ng       6582:     my $request=$_[0];
1.102     albertel 6583: 
1.285     albertel 6584:     &reset_perm();
1.257     albertel 6585:     if ($env{'browser.mathml'}) {
1.141     www      6586: 	&Apache::loncommon::content_type($request,'text/xml');
1.41      ng       6587:     } else {
1.141     www      6588: 	&Apache::loncommon::content_type($request,'text/html');
1.41      ng       6589:     }
                   6590:     $request->send_http_header;
1.44      ng       6591:     return '' if $request->header_only;
1.41      ng       6592:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1.324     albertel 6593:     my $symb=&get_symb($request,1);
1.160     albertel 6594:     my @commands=&Apache::loncommon::get_env_multiple('form.command');
                   6595:     my $command=$commands[0];
                   6596:     if ($#commands > 0) {
                   6597: 	&Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
                   6598:     }
1.353     albertel 6599:     $request->print(&Apache::loncommon::start_page('Grading'));
1.324     albertel 6600:     if ($symb eq '' && $command eq '') {
1.257     albertel 6601: 	if ($env{'user.adv'}) {
                   6602: 	    if (($env{'form.codeone'}) && ($env{'form.codetwo'}) &&
                   6603: 		($env{'form.codethree'})) {
                   6604: 		my $token=$env{'form.codeone'}.'*'.$env{'form.codetwo'}.'*'.
                   6605: 		    $env{'form.codethree'};
1.41      ng       6606: 		my ($tsymb,$tuname,$tudom,$tcrsid)=
                   6607: 		    &Apache::lonnet::checkin($token);
                   6608: 		if ($tsymb) {
1.137     albertel 6609: 		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
1.41      ng       6610: 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
1.99      albertel 6611: 			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
                   6612: 					  ('grade_username' => $tuname,
                   6613: 					   'grade_domain' => $tudom,
                   6614: 					   'grade_courseid' => $tcrsid,
                   6615: 					   'grade_symb' => $tsymb)));
1.41      ng       6616: 		    } else {
1.45      ng       6617: 			$request->print('<h3>Not authorized: '.$token.'</h3>');
1.99      albertel 6618: 		    }
1.41      ng       6619: 		} else {
1.45      ng       6620: 		    $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
1.41      ng       6621: 		}
1.14      www      6622: 	    } else {
1.41      ng       6623: 		$request->print(&Apache::lonxml::tokeninputfield());
                   6624: 	    }
                   6625: 	}
                   6626:     } else {
1.285     albertel 6627: 	&init_perm();
1.104     albertel 6628: 	if ($command eq 'submission' && $perm{'vgr'}) {
1.257     albertel 6629: 	    ($env{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
1.103     albertel 6630: 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
1.68      ng       6631: 	    &pickStudentPage($request);
1.103     albertel 6632: 	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
1.68      ng       6633: 	    &displayPage($request);
1.104     albertel 6634: 	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
1.71      ng       6635: 	    &updateGradeByPage($request);
1.104     albertel 6636: 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
1.41      ng       6637: 	    &processGroup($request);
1.104     albertel 6638: 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
1.41      ng       6639: 	    $request->print(&gradingmenu($request));
1.104     albertel 6640: 	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
1.41      ng       6641: 	    $request->print(&viewgrades($request));
1.104     albertel 6642: 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
1.41      ng       6643: 	    $request->print(&processHandGrade($request));
1.106     albertel 6644: 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
1.41      ng       6645: 	    $request->print(&editgrades($request));
1.106     albertel 6646: 	} elsif ($command eq 'verify' && $perm{'vgr'}) {
1.41      ng       6647: 	    $request->print(&verifyreceipt($request));
1.400     www      6648:         } elsif ($command eq 'processclicker' && $perm{'mgr'}) {
                   6649:             $request->print(&process_clicker($request));
                   6650:         } elsif ($command eq 'processclickerfile' && $perm{'mgr'}) {
                   6651:             $request->print(&process_clicker_file($request));
1.414     www      6652:         } elsif ($command eq 'assignclickergrades' && $perm{'mgr'}) {
                   6653:             $request->print(&assign_clicker_grades($request));
1.106     albertel 6654: 	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
1.72      ng       6655: 	    $request->print(&upcsvScores_form($request));
1.106     albertel 6656: 	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
1.41      ng       6657: 	    $request->print(&csvupload($request));
1.106     albertel 6658: 	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
1.41      ng       6659: 	    $request->print(&csvuploadmap($request));
1.246     albertel 6660: 	} elsif ($command eq 'csvuploadoptions' && $perm{'mgr'}) {
1.257     albertel 6661: 	    if ($env{'form.associate'} ne 'Reverse Association') {
1.246     albertel 6662: 		$request->print(&csvuploadoptions($request));
1.41      ng       6663: 	    } else {
1.257     albertel 6664: 		if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                   6665: 		    $env{'form.upfile_associate'} = 'reverse';
1.41      ng       6666: 		} else {
1.257     albertel 6667: 		    $env{'form.upfile_associate'} = 'forward';
1.41      ng       6668: 		}
                   6669: 		$request->print(&csvuploadmap($request));
                   6670: 	    }
1.246     albertel 6671: 	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'} ) {
                   6672: 	    $request->print(&csvuploadassign($request));
1.106     albertel 6673: 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
1.75      albertel 6674: 	    $request->print(&scantron_selectphase($request));
1.203     albertel 6675:  	} elsif ($command eq 'scantron_warning' && $perm{'mgr'}) {
                   6676:  	    $request->print(&scantron_do_warning($request));
1.142     albertel 6677: 	} elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
                   6678: 	    $request->print(&scantron_validate_file($request));
1.106     albertel 6679: 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
1.82      albertel 6680: 	    $request->print(&scantron_process_students($request));
1.157     albertel 6681:  	} elsif ($command eq 'scantronupload' && 
1.257     albertel 6682:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   6683: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.162     albertel 6684:  	    $request->print(&scantron_upload_scantron_data($request)); 
1.157     albertel 6685:  	} elsif ($command eq 'scantronupload_save' &&
1.257     albertel 6686:  		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
                   6687: 		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
1.157     albertel 6688:  	    $request->print(&scantron_upload_scantron_data_save($request));
1.202     albertel 6689:  	} elsif ($command eq 'scantron_download' &&
1.257     albertel 6690: 		 &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
1.162     albertel 6691:  	    $request->print(&scantron_download_scantron_data($request));
1.106     albertel 6692: 	} elsif ($command) {
1.157     albertel 6693: 	    $request->print("Access Denied ($command)");
1.26      albertel 6694: 	}
1.2       albertel 6695:     }
1.353     albertel 6696:     $request->print(&Apache::loncommon::end_page());
1.44      ng       6697:     return '';
                   6698: }
                   6699: 
1.1       albertel 6700: 1;
                   6701: 
1.13      albertel 6702: __END__;

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