Annotation of loncom/homework/grades.pm, revision 1.39

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.39    ! ng          4: # $Id: grades.pm,v 1.38 2002/07/10 21:08:38 ng 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: #
1.13      albertel   28: # 2/9,2/13 Guy Albertelli
1.8       www        29: # 6/8 Gerd Kortemeyer
1.13      albertel   30: # 7/26 H.K. Ng
1.14      www        31: # 8/20 Gerd Kortemeyer
1.30      ng         32: # Year 2002
1.35      ng         33: # June, July 2002 H.K. Ng
1.30      ng         34: #
1.1       albertel   35: 
                     36: package Apache::grades;
                     37: use strict;
                     38: use Apache::style;
                     39: use Apache::lonxml;
                     40: use Apache::lonnet;
1.3       albertel   41: use Apache::loncommon;
1.1       albertel   42: use Apache::lonhomework;
1.38      ng         43: use Apache::lonmsg qw(:user_normal_msg);
1.1       albertel   44: use Apache::Constants qw(:common);
1.39    ! ng         45: #use Time::HiRes qw( gettimeofday tv_interval );
1.1       albertel   46: 
1.2       albertel   47: sub moreinfo {
1.13      albertel   48:   my ($request,$reason) = @_;
                     49:   $request->print("Unable to process request: $reason");
                     50:   if ( $Apache::grades::viewgrades eq 'F' ) {
                     51:     $request->print('<form action="/adm/grades" method="post">'."\n");
1.16      albertel   52:     if ($ENV{'form.url'}) {
                     53:       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
                     54:     }
                     55:     if ($ENV{'form.symb'}) {
                     56:       $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
                     57:     }
1.35      ng         58: #    $request->print('<input type="hidden" name="command" value="submission" />'."\n");
1.16      albertel   59:     $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
                     60:     $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
                     61:     $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
                     62:     $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
1.13      albertel   63:     $request->print('</form>');
                     64:   }
                     65:   return '';
1.2       albertel   66: }
                     67: 
1.23      www        68: sub verifyreceipt {
                     69:     my $request=shift;
                     70:     my $courseid=$ENV{'request.course.id'};
1.34      ng         71: #    my $cdom=$ENV{"course.$courseid.domain"};
                     72: #    my $cnum=$ENV{"course.$courseid.num"};
1.23      www        73:     my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
                     74:                 $ENV{'form.receipt'};
                     75:     $receipt=~s/[^\-\d]//g;
                     76:     my $symb=$ENV{'form.symb'};
                     77:     unless ($symb) {
                     78: 	$symb=&Apache::lonnet::symbread($ENV{'form.url'});
                     79:     }
                     80:     if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {
                     81:         $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');
                     82:         my $matches=0;
1.34      ng         83:         my ($classlist) = &getclasslist('all','0');
                     84:         foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
1.23      www        85:             my ($uname,$udom)=split(/\:/,$student);
                     86:             if ($receipt eq 
                     87:              &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
                     88:                $request->print('Matching '.$student.'<br>');
                     89:                $matches++;
                     90: 	   }
                     91:         }
1.30      ng         92:         $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');
1.33      ng         93: # needs to print who is matched
1.23      www        94:     }
                     95:     return '';
                     96: }
1.13      albertel   97: 
1.32      ng         98: sub student_gradeStatus {
1.39    ! ng         99:    my ($url,$udom,$uname,$partlist) = @_;
        !           100:    my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
        !           101:    my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
        !           102:    my %partstatus = ();
        !           103:    foreach (@$partlist) {
        !           104:       my ($status,$foo)=split(/_/,$record{"resource.$_.solved"},2);
1.32      ng        105:       $status = 'nothing' if ($status eq '');
1.39    ! ng        106:       $partstatus{$_} = $status;
        !           107:    }
        !           108:    return %partstatus;
1.32      ng        109: }
                    110: 
1.34      ng        111: sub get_fullname {
1.39    ! ng        112:     my ($uname,$udom) = @_;
1.34      ng        113:     my %name=&Apache::lonnet::get('environment', ['lastname','generation',
                    114: 						  'firstname','middlename'],
1.39    ! ng        115: 				  $udom,$uname);
1.34      ng        116:     my $fullname;
                    117:     my ($tmp) = keys(%name);
                    118:     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
                    119: 	$fullname=$name{'lastname'}.$name{'generation'};
                    120: 	if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
                    121: 	$fullname.=$name{'firstname'}.' '.$name{'middlename'};
                    122:     }
                    123:     return $fullname;
                    124: }
                    125: 
1.39    ! ng        126: sub response_type {
        !           127:    my ($url) = shift;
        !           128:    my $allkeys = &Apache::lonnet::metadata($url,'keys');
        !           129:    my %seen = ();
        !           130:    my (@partlist,%handgrade);
        !           131:    foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
        !           132:       if (/^\w+response_\d{1,2}.*/) {
        !           133: 	 my ($responsetype,$part) = split(/_/,$_,2);
        !           134: 	 my ($partid,$respid) = split(/_/,$part);
        !           135: 	 $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
        !           136: 	 next if ($seen{$partid} > 0);
        !           137: 	 $seen{$partid}++;
        !           138: 	 push @partlist,$partid;
        !           139:       }
        !           140:    }
        !           141:    return \@partlist,\%handgrade;
        !           142: }
        !           143: 
        !           144: 
1.30      ng        145: sub listStudents {
                    146:   my ($request) = shift;
1.34      ng        147:   my $cdom      =$ENV{"course.$ENV{'request.course.id'}.domain"};
                    148:   my $cnum      =$ENV{"course.$ENV{'request.course.id'}.num"};
                    149:   my $getsec    =$ENV{'form.section'};
                    150:   my $submitonly=$ENV{'form.submitonly'};
1.30      ng        151: 
1.39    ! ng        152:   my $result='<h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>';
        !           153:   $result.='<table border="0">';
        !           154:   $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';
        !           155:   my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
        !           156:   for (sort keys(%$handgrade)) {
        !           157:       my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
        !           158:       $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
        !           159: 	  '<td><b>Type: </b>'.$responsetype.'</td>'.
        !           160: 	  '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
        !           161:   }
        !           162:   $result.='</table>';
        !           163:   $request->print($result);
        !           164: 
1.23      www       165:   $request->print(<<ENDTABLEST);
1.39    ! ng        166: <form action="/adm/grades" method="post">
1.34      ng        167: &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no 
1.37      ng        168: <input type="radio" name="vProb" value="yes"> yes <br />
                    169: &nbsp;<b>Submissions: </b>
1.39    ! ng        170: <input type="radio" name="lastSub" value="lastonly" checked /> last sub only
        !           171: <input type="radio" name="lastSub" value="last" /> last sub & parts info
        !           172: <input type="radio" name="lastSub" value="all" /> all details
        !           173: <input type="hidden" name="section" value="$getsec" />
        !           174: <input type="hidden" name="submitonly" value="$submitonly" />
        !           175: <input type="hidden" name="response" value="$ENV{'form.response'}" />
        !           176: <input type="hidden" name="handgrade" value="$ENV{'form.handgrade'}" />
        !           177: <input type="submit" name="submit" value="View/Grade" />
1.23      www       178: ENDTABLEST
1.34      ng        179:   if ($ENV{'form.url'}) {
                    180:       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
                    181:   }
                    182:   if ($ENV{'form.symb'}) {
                    183:       $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
                    184:   }
                    185:   $request->print('<input type="hidden" name="command" value="processGroup" />'."\n");
                    186: 
1.39    ! ng        187:   my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');
1.38      ng        188: 
1.39    ! ng        189:   $result='<table border="0"><tr><td bgcolor="#777777">'.
        !           190:       '<table border="0"><tr bgcolor="#e6ffff">'.
        !           191:       '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>'.
        !           192:       '<td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';
        !           193:   foreach (sort(@$partlist)) {
        !           194:       $result.='<td><b>&nbsp;Part ID '.$_.' Status&nbsp;</b></td>';
        !           195:   }
        !           196:   $request->print($result.'</tr>'."\n");
        !           197: 
        !           198:   foreach my $student (sort(@{ $$classlist{$getsec} }) ) {
        !           199:       my ($uname,$udom) = split(/:/,$student);
        !           200:       my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist);
        !           201:       my $statusflg = '';
        !           202:       foreach (keys(%status)) {
        !           203: 	  $statusflg = 1 if ($status{$_} ne 'nothing');
        !           204:       }
        !           205:       next if ($statusflg eq '' && $submitonly eq 'yes');
1.13      albertel  206: 
                    207:       if ( $Apache::grades::viewgrades eq 'F' ) {
1.39    ! ng        208: 	  $result='<tr bgcolor="#ffffe6">'.
        !           209: 	      '<td align="center"><input type=checkbox name="stuinfo" value="'.
        !           210: 	      $student.':'.$$fullname{$student}.'"></td>'."\n".
        !           211: 	      '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".
        !           212: 	      '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".
        !           213: 	      '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";
1.34      ng        214: 
1.39    ! ng        215: 	  foreach (sort keys(%status)) {
        !           216: 	      $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
        !           217: 	  }
        !           218: 	  $request->print($result.'</tr>'."\n");
1.13      albertel  219:       }
                    220:   }
1.28      ng        221:   $request->print('</table></td></tr></table>');
1.34      ng        222:   $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');
1.10      ng        223: }
                    224: 
1.34      ng        225: sub processGroup {
                    226:   my ($request)  = shift;
                    227:   my $ctr        = 0;
                    228:   my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
1.35      ng        229:                            : ($ENV{'form.stuinfo'}));
1.34      ng        230:   my $total      = scalar(@stuchecked)-1;
1.35      ng        231:   if ($stuchecked[0] eq '') {
                    232:       &userError($request,'No student was selected for viewing/grading.');
                    233:       return;
                    234:   }
                    235:   foreach (@stuchecked) {
1.39    ! ng        236:       my ($uname,$udom,$fullname) = split(/:/);
        !           237:       $ENV{'form.student'} = $uname;
1.34      ng        238:       $ENV{'form.fullname'} = $fullname;
                    239:       &submission($request,$ctr,$total);
                    240:       $ctr++;
                    241:   }
1.39    ! ng        242:   return '';
1.35      ng        243: }
1.34      ng        244: 
1.35      ng        245: sub userError {
                    246:     my ($request, $reason, $step) = @_;
                    247:     $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");
                    248:     $request->print('<b>Reason: </b>'.$reason.'<br /><br />'."\n");
                    249:     $request->print('<b>Step: </b>'.($step ne '' ? $step : 'Use your browser back button to correct')
                    250: 		    .'<br /><br />'."\n");
                    251:     return '';
1.34      ng        252: }
1.13      albertel  253: 
1.7       albertel  254: #FIXME - needs to handle multiple matches
1.2       albertel  255: sub finduser {
1.13      albertel  256:   my ($name) = @_;
                    257:   my $domain = '';
                    258:   if ( $Apache::grades::viewgrades eq 'F' ) {
1.34      ng        259:     my ($classlist) = &getclasslist('all','0');
1.35      ng        260:     foreach ( sort(@{ $$classlist{'all'} }) ) {
                    261:       my ($posname,$posdomain) = split(/:/);
1.13      albertel  262:       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
1.7       albertel  263:     }
1.13      albertel  264:     return ($name,$domain);
                    265:   } else {
                    266:     return ($ENV{'user.name'},$ENV{'user.domain'});
                    267:   }
1.5       albertel  268: }
                    269: 
                    270: sub getclasslist {
1.39    ! ng        271:    my ($getsec,$hideexpired) = @_;
        !           272:    my %classlist=&Apache::lonnet::dump('classlist',
        !           273: 				       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
        !           274: 				       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
        !           275:    my $now = time;
        !           276:    my (@holdsec,@sections,%allids,%stusec,%fullname);
        !           277:    foreach (keys(%classlist)) {
        !           278:        my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});
        !           279:        # still a student?
        !           280:        if (($hideexpired) && ($end) && ($end < $now)) {
        !           281: 	   next;
        !           282:        }
        !           283:        $section = ($section ne '' ? $section : 'no');
        !           284:        push @holdsec,$section;
        !           285:        if ($getsec eq 'all' || $getsec eq $section) {
        !           286: 	   push (@{ $classlist{$getsec} }, $_);
        !           287: 	   $allids{$_}=$id;
        !           288: 	   $stusec{$_}=$section;
        !           289: 	   $fullname{$_}=$fullname;
        !           290:        }
        !           291:    }
        !           292:    my %seen = ();
        !           293:    foreach my $item (@holdsec) {
        !           294:        push (@sections, $item) unless $seen{$item}++;
        !           295:    }
        !           296:    return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);
1.5       albertel  297: }
                    298: 
                    299: sub getpartlist {
1.13      albertel  300:   my ($url) = @_;
                    301:   my @parts =();
                    302:   my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                    303:   foreach my $key (@metakeys) {
1.30      ng        304:     if ( $key =~ m/stores_([0-9]+)_.*/) {
1.13      albertel  305:       push(@parts,$key);
1.6       albertel  306:     }
1.13      albertel  307:   }
                    308:   return @parts;
1.5       albertel  309: }
                    310: 
                    311: sub viewstudentgrade {
1.13      albertel  312:   my ($url,$symb,$courseid,$student,@parts) = @_;
                    313:   my $cellclr = '"#ffffdd"';
1.28      ng        314:   my ($username,$domain) = split(/:/,$student);
1.13      albertel  315: 
1.34      ng        316:   my $fullname = &get_fullname($username,$domain);
1.28      ng        317:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
1.32      ng        318: 
1.39    ! ng        319:   my $result="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";
1.13      albertel  320:   foreach my $part (@parts) {
                    321:     my ($temp,$part,$type)=split(/_/,$part);
1.31      ng        322:     my $score=$record{"resource.$part.$type"};
                    323:     if ($type eq 'awarded' || $type eq 'tries') {
                    324:       $result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.
                    325: 	  '" value="'.$score.'" size="4" /></td>'."\n";
1.13      albertel  326:     } elsif ($type eq 'solved') {
1.31      ng        327:       my ($status,$foo)=split(/_/,$score,2);
1.28      ng        328:       $result.="<td align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
1.31      ng        329:       my $optsel = '<option>correct</option><option>incorrect</option><option>excused</option>'.
1.39    ! ng        330: 	  '<option>ungraded</option><option>nothing</option>'."\n";
1.31      ng        331:       $status = 'nothing' if ($status eq '');
                    332:       $optsel =~ s/<option>$status/<option selected="on">$status/;
                    333:       $result.=$optsel;
1.13      albertel  334:       $result.="</select></td>\n";
                    335:     }
                    336:   }
1.38      ng        337:   $result.='</td></tr>';
1.13      albertel  338:   return $result;
1.5       albertel  339: }
1.31      ng        340: 
                    341: #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an
1.6       albertel  342: #interface based on that, also do that to above function.
1.5       albertel  343: sub setstudentgrade {
1.13      albertel  344:   my ($url,$symb,$courseid,$student,@parts) = @_;
1.34      ng        345:   print "set student grade parts=@parts<br>";
1.13      albertel  346:   my $result ='';
                    347:   my ($stuname,$domain) = split(/:/,$student);
                    348:   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
                    349:   my %newrecord;
                    350: 
                    351:   foreach my $part (@parts) {
                    352:     my ($temp,$part,$type)=split(/_/,$part);
                    353:     my $oldscore=$record{"resource.$part.$type"};
                    354:     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
1.32      ng        355:     print "old=$oldscore:new=$newscore:<br>";
1.13      albertel  356:     if ($type eq 'solved') {
                    357:       my $update=0;
                    358:       if ($newscore eq 'nothing' ) {
                    359: 	if ($oldscore ne '') {
                    360: 	  $update=1;
                    361: 	  $newscore = '';
1.6       albertel  362: 	}
1.13      albertel  363:       } elsif ($oldscore !~ m/^$newscore/) {
                    364: 	$update=1;
                    365: 	$result.="Updating $stuname to $newscore<br />\n";
1.34      ng        366: 	if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }
1.13      albertel  367: 	if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
1.34      ng        368: 	if ($newscore eq 'excused')   { $newscore = 'excused'; }
                    369: 	if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }
1.39    ! ng        370: #	if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }
1.13      albertel  371:       } else {
                    372: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
                    373:       }
                    374:       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
                    375:     } else {
                    376:       if ($oldscore ne $newscore) {
                    377: 	$newrecord{"resource.$part.$type"}=$newscore;
                    378: 	$result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
                    379:       } else {
                    380: 	#$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
                    381:       }
                    382:     }
                    383:   }
                    384:   if ( scalar(keys(%newrecord)) > 0 ) {
1.32      ng        385:     $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
1.34      ng        386: #    &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
1.13      albertel  387: 
                    388:     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
                    389:   }
                    390:   return $result;
1.2       albertel  391: }
                    392: 
1.33      ng        393: #
1.32      ng        394: # --------------------------- show submissions of a student, option to grade --------
1.2       albertel  395: sub submission {
1.34      ng        396:   my ($request,$counter,$total) = @_;
1.33      ng        397: 
1.38      ng        398:   (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                    399:   if ($ENV{'form.student'} eq '') { &moreinfo($request,'Need student login id'); return ''; }
                    400:   my ($uname,$udom) = &finduser($ENV{'form.student'});
                    401:   if ($uname eq '') { &moreinfo($request,'Unable to find student'); return ''; }
                    402: 
                    403:   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
                    404:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
                    405:   my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
                    406: 
                    407:   # header info
1.34      ng        408:   if ($counter == 0) {
1.38      ng        409:       &sub_page_js($request);
                    410:       $request->print('<h2>&nbsp;<font color="#339933">Submission Record</font></h2>'.
                    411: 		      '<font size=+1>&nbsp;<b>Resource: </b>'.$url.'</font>');
                    412: 
                    413:       # option to display problem, only once else it cause problems with the form later 
                    414:       # since the problem has a form.
                    415:       if ($ENV{'form.vProb'} eq 'yes') {
                    416: 	  my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
                    417: 							    $ENV{'request.course.id'});
                    418: 	  my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
                    419: 								 $ENV{'request.course.id'});
                    420: 	  my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
                    421: 	  $result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';
                    422: 	  $result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';
                    423: 	  $result.='<b>Correct answer:</b><br />'.$companswer;
                    424: 	  $result.='</td></tr></table>';
                    425: 	  $result.='</td></tr></table><br />';
                    426: 	  $request->print($result);
                    427:       }
                    428: 
1.39    ! ng        429:       # kwclr is the only variable that is guaranteed to be non blank if this subroutine has been called once.
1.38      ng        430:       my %keyhash = ();
                    431:       if ($ENV{'form.kwclr'} eq '') {
                    432: 	  %keyhash = &Apache::lonnet::dump('nohist_handgrade',
                    433: 					      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    434: 					      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    435: 
                    436: 	  my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
                    437: 	  $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                    438: 	  $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                    439: 	  $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                    440: 	  $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                    441: 	  $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
                    442: 	      $keyhash{$symb.'_subject'} : &Apache::lonnet::metadata($url,'title');
                    443: 	  $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
                    444: 
                    445:       }
                    446:       $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
                    447: 		      '<input type="hidden" name="command"    value="handgrade" />'."\n".
1.39    ! ng        448: 		      '<input type="hidden" name="refresh"    value="off" />'."\n".
1.38      ng        449: 		      '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
                    450: 		      '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
                    451: 		      '<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
                    452: 		      '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
                    453: 		      '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
                    454: 		      '<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
                    455: 		      '<input type="hidden" name="response"   value="'.$ENV{'form.response'}.'">'."\n".
                    456: 		      '<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
                    457: 		      '<input type="hidden" name="keywords"   value="'.$ENV{'form.keywords'}.'" />'."\n".
                    458: 		      '<input type="hidden" name="kwclr"      value="'.$ENV{'form.kwclr'}.'" />'."\n".
                    459: 		      '<input type="hidden" name="kwsize"     value="'.$ENV{'form.kwsize'}.'" />'."\n".
                    460: 		      '<input type="hidden" name="kwstyle"    value="'.$ENV{'form.kwstyle'}.'" />'."\n".
                    461: 		      '<input type="hidden" name="msgsub"     value="'.$ENV{'form.msgsub'}.'" />'."\n".
                    462: 		      '<input type="hidden" name="savemsgN"   value="'.$ENV{'form.savemsgN'}.'" />'."\n".
                    463: 		      '<input type="hidden" name="NCT"'.
                    464: 		      ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
                    465: 
                    466:       my ($cts,$prnmsg) = (1,'');
                    467:       while ($cts <= $ENV{'form.savemsgN'}) {
                    468: 	  $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
                    469: 	      ($keyhash{$symb.'_savemsg'.$cts} eq '' ? $ENV{'form.savemsg'.$cts} : $keyhash{$symb.'_savemsg'.$cts}).
                    470: 	      '" />'."\n";
                    471: 	  $cts++;
                    472:       }
                    473:       $request->print($prnmsg);
1.32      ng        474: 
1.38      ng        475:       if ($ENV{'form.handgrade'} eq 'yes') {
                    476: 	  $request->print(<<KEYWORDS);
                    477: &nbsp;<b>Keyword Options:</b>&nbsp;
                    478: <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>List</a>&nbsp; &nbsp;
                    479: <a href="#" onMouseDown="javascript:getSel(); return false"
                    480:  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
                    481: <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
                    482: KEYWORDS
                    483:       }
1.33      ng        484:   }
                    485: 
1.38      ng        486:   # Student info
                    487:   $request->print(($counter == 0 ? '' : '<br />'));
                    488:   my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom));
                    489:   my $result.='<table border="0" width=100%><tr><td bgcolor="#777777">'.
                    490:       '<table border="0" width=100%><tr bgcolor="#ffffff"><td>';
1.39    ! ng        491:   $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$fullname.
        !           492:       '</td><td>&nbsp; &nbsp;<b>Username: </b>'.$uname.
        !           493: 	      '</td><td>&nbsp; &nbsp;<b>Domain: </b>'.$udom.'</td></tr>';
1.38      ng        494:   if ($ENV{'form.handgrade'} eq 'yes') {
                    495: #      my $subonly = &get_last_submission($symb,$uname,$udom,$ENV{'request.course.id'});
                    496:       my ($classlist) = &getclasslist('all','0');
                    497:       my @collaborators;
                    498: #      foreach ( sort(@{ $$classlist{'all'} }) ) {
1.39    ! ng        499: #	  my ($uname,$udom) = split(/:/);
        !           500: #	  push @collaborators,$uname if (grep /\b$uname(\b|\.)/i,$subonly);
1.38      ng        501: #      }
                    502: #      push @collaborators,'leede','carlandmm','freyniks'; # as a test to display collaborators.
                    503:       if (scalar(@collaborators) != 0) {
                    504: 	  $result.='<tr bgcolor="#ffffff"><td colspan=3><b>Collaborators: </b>';
                    505: 	  foreach (@collaborators) {
                    506: 	      $result.=$_.' ('.&get_fullname($_,$udom).') &nbsp; &nbsp;';
                    507: 	  }
                    508: 	  $result.='</td></tr>'."\n";
                    509: 	  $result.='<input type="hidden" name="collaborator'.$counter.
                    510: 	      '" value="'.(join ':',@collaborators).'" />'."\n";
                    511:       }
1.33      ng        512:   }
1.38      ng        513:   $result.='</table>'."\n";
                    514:   $request->print($result);
1.33      ng        515: 
1.39    ! ng        516:   my ($partlist,$handgrade) = &response_type($url);
        !           517: 
1.38      ng        518:  # print student answer
                    519:   if ($ENV{'form.lastSub'} eq 'lastonly') {
                    520:       my ($string,$timestamp)=&get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});
                    521:       my $lastsubonly='<table border="0" width=100%><tr><td bgcolor="#777777">';
                    522:       $lastsubonly.='<table border="0" width=100%><tr bgcolor="#ddffff">';
                    523:       $lastsubonly.='<td><b>Last Submission Only</b>'.
1.39    ! ng        524: 	  ($$timestamp eq '' ? '' : '&nbsp; &nbsp; <b>Date Submitted:</b> '.$$timestamp).'</td></tr>';
        !           525:       if ($$timestamp eq '') {
        !           526: 	  $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';
        !           527:       } else {
        !           528: 	  for my $part (sort keys(%$handgrade)) {
        !           529: 	      foreach (@$string) {
        !           530: 		  my ($partid,$respid) = /^resource\.(\d{1,2})\.(\d{1,2})\.submission/;
        !           531: 		  if ($part eq ($partid.'_'.$respid)) {
        !           532: 		      my ($ressub,$subval) = split(/:/,$_,2);
        !           533: 		      $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part ID</b> '.
        !           534: 			  $partid.' <b>Response ID</b> '.$respid.
        !           535: 			  ' <b>Submission</b> '.&keywords_highlight($subval).'</td></tr>';
        !           536: 		  }
        !           537: 	      }
        !           538: 	  }
        !           539:       }
1.38      ng        540:       $lastsubonly.='</td></tr></table></td></tr></table>'."\n";
                    541:       $request->print($lastsubonly);
                    542:   } else {
                    543:       $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
                    544: 							       $ENV{'request.course.id'},$last,
                    545: 							       '.submission','Apache::grades::keywords_highlight'));
1.33      ng        546:   }
1.32      ng        547: 
1.39    ! ng        548:   $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
        !           549:       '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
        !           550:       '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
        !           551:   $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
        !           552:       ',\''.$fullname.'\')"; TARGET=_self>Compose Message</a><br />'."\n" if ($ENV{'form.handgrade'} eq 'yes');
        !           553:   $request->print($result);
        !           554: 
        !           555:   my %seen = ();
        !           556:   my @partlist;
        !           557:   for (sort keys(%$handgrade)) {
        !           558:       my ($partid,$respid) = split(/_/);
        !           559:       next if ($seen{$partid} > 0);
        !           560:       $seen{$partid}++;
        !           561:       next if ($$handgrade{$_} =~ /:no$/);
        !           562:       push @partlist,$partid;
        !           563:       my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
        !           564:       my $wgtmsg = ($wgt > 0 ? '(problem weight)' : '<font color="red">problem weight assigned by computer</font>');
        !           565:       $wgt       = ($wgt > 0 ? $wgt : '1');
        !           566:       my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
        !           567:       my $score  = ($record{'resource.0.awarded'} eq '' ? '' : $record{'resource.0.awarded'}*$wgt);
        !           568: 
        !           569:       # display grading options
        !           570:       $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />';
1.38      ng        571: 
1.39    ! ng        572:       $result.='<table border="0"><tr><td><b>Part </b>'.$partid.' <b>Points</b></td><td>';
1.35      ng        573: 
1.39    ! ng        574:       my $ctr = 0;
        !           575:       $result.='<table border="0"><tr>';  # display radio buttons in a nice table 10 across
        !           576:       while ($ctr<=$wgt) {
        !           577: 	  $result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
        !           578: 	      'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.'_'.$partid.
        !           579: 	      ',this.form.GRADE_SEL'.$counter.'_'.$partid.','.$ctr.
        !           580: 	      ',this.form.stores'.$counter.'_'.$partid.')" '.
        !           581: 	      ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
        !           582: 	  $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
        !           583: 	  $ctr++;
        !           584:       }
        !           585:       $result.='</tr></table>';
1.38      ng        586: 
1.39    ! ng        587:       $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';
        !           588:       $result.='<td><input type="text" name="GRADE_BOX'.$counter.'_'.$partid.'"'.
        !           589: 	  ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
        !           590: 	  'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.
        !           591: 	  ',this.form.GRADE_BOX'.$counter.'_'.$partid.
        !           592: 	  ',this.form.GRADE_SEL'.$counter.'_'.$partid.
        !           593: 	  ',this.form.stores'.$counter.'_'.$partid.')" /></td>'."\n";
        !           594:       $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';
        !           595: 
        !           596:       $result.='<select name="GRADE_SEL'.$counter.'_'.$partid.'" '.
        !           597: 	  'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.
        !           598: 	  ',this.form.GRADE_BOX'.$counter.'_'.$partid.
        !           599: 	  ',this.form.GRADE_SEL'.$counter.'_'.$partid.
        !           600: 	  ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".
        !           601: 	  '<option selected="on"> </option>'.
        !           602: 	  '<option>excused</option></select>'."&nbsp&nbsp\n";
        !           603:       $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';
        !           604:       $result.='</td></tr></table>';
        !           605:       $request->print($result);
1.38      ng        606:   }
1.39    ! ng        607:   $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");
        !           608:   $request->print('</td></tr></table></td></tr></table>'."\n");
1.38      ng        609: 
                    610:   # print end of form
                    611:   if ($counter == $total) {
                    612:       my $endform.='<table border="0"><tr><td><input type="submit" name="gradeOpt" value="Save & Next" />';
                    613:       my $ntstu ='<select name="NTSTU">'.
                    614: 	  '<option>1</option><option>2</option>'.
                    615: 	      '<option>3</option><option>5</option>'.
                    616: 		  '<option>7</option><option>10</option></select>'."\n";
                    617:       my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
                    618:       $ntstu =~ s/<option>$nsel/<option selected="on">$nsel/;
                    619:       $endform.=$ntstu.'student(s) &nbsp;&nbsp;';
                    620:       $endform.='<input type="submit" name="gradeOpt" value="Next" />&nbsp';
                    621:       $endform.='<input type="submit" name="gradeOpt" value="Previous" />&nbsp';
                    622:       $endform.='(Next and Previous do not save the scores.)';
                    623:       $endform.='</td><tr></table></form>';
                    624:       $request->print($endform);
1.36      ng        625:   }
                    626: 
1.38      ng        627:   return '';
                    628: }
                    629: 
                    630: sub get_last_submission {
                    631:   my ($symb,$username,$domain,$course)=@_;
                    632:   if ($symb) {
1.39    ! ng        633:       my (@string,$timestamp);
        !           634:       my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);
        !           635:       if ($returnhash{'version'}) {
        !           636: 	  my %lasthash=();
        !           637: 	  my ($version);
        !           638: 	  for ($version=1;$version<=$returnhash{'version'};$version++) {
        !           639: 	      foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
        !           640: 		  $lasthash{$_}=$returnhash{$version.':'.$_};
        !           641: 	      }
        !           642: 	  }
        !           643: 	  foreach ((keys %lasthash)) {
        !           644: 	      if ($_ =~ /\.submission$/) {push @string, (join(':',$_,$lasthash{$_}))}
        !           645: 	      if ($_ =~ /timestamp/) {$timestamp = scalar(localtime($lasthash{$_}))};
1.38      ng        646: 	  }
1.39    ! ng        647:       }
        !           648:       @string = $string[0] eq '' ? 'Nothing submitted - no attempts.' : @string;
        !           649:       return \@string,\$timestamp;
1.35      ng        650:   }
1.38      ng        651: }
1.35      ng        652: 
1.38      ng        653: sub keywords_highlight {
                    654:   my $string  = shift;
                    655:   my $size    = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
                    656:   my $styleon = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
                    657:   (my $styleoff = $styleon) =~ s/\</\<\//;
                    658:   my @keylist = split(/[,\s+]/,$ENV{'form.keywords'});
                    659:   foreach (@keylist) {
                    660:       $string =~ s/\b$_(\b|\.)/\<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff\<\/font\>/gi;
                    661:   }
                    662:   return $string;
                    663: }
1.36      ng        664: 
1.38      ng        665: sub processHandGrade {
                    666:   my ($request) = shift;
                    667:   my $url    = $ENV{'form.url'};
                    668:   my $symb   = $ENV{'form.symb'};
                    669:   my $button = $ENV{'form.gradeOpt'};
                    670:   my $ngrade = $ENV{'form.NCT'};
                    671:   my $ntstu  = $ENV{'form.NTSTU'};
                    672: 
                    673:   my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
                    674:   my %keyhash = ();
                    675:   $ENV{'form.keywords'} =~ s/,\s{0,}|\s+/ /g;
1.39    ! ng        676:   $ENV{'form.keywords'} =~ s/^\s+|\s+$//;
1.38      ng        677:   $keyhash{$symb.'_keywords'} = $ENV{'form.keywords'};
                    678:   $keyhash{$symb.'_subject'} = $ENV{'form.msgsub'};
                    679:   $keyhash{$loginuser.'_kwclr'} = $ENV{'form.kwclr'};
                    680:   $keyhash{$loginuser.'_kwsize'} = $ENV{'form.kwsize'};
                    681:   $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
                    682: 
                    683:   my ($ctr,$idx) = (1,1);
                    684:   while ($ctr <= $ENV{'form.savemsgN'}) {
                    685:       if ($ENV{'form.savemsg'.$ctr} ne '') {
                    686: 	  $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
                    687: 	  $idx++;
                    688:       }
                    689:       $ctr++;
                    690:   }
                    691:   $ctr = 0;
                    692:   while ($ctr < $ngrade) {
                    693:       if ($ENV{'form.newmsg'.$ctr} ne '') {
                    694: 	  $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
                    695: 	  $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
                    696: 	  $idx++;
                    697:       }
                    698:       $ctr++;
                    699:   }
                    700:   $ENV{'form.savemsgN'} = --$idx;
                    701:   $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
                    702:   my $putresult = &Apache::lonnet::put
                    703:       ('nohist_handgrade',\%keyhash,
                    704:        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    705:        $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.36      ng        706: 
1.39    ! ng        707:   if ($ENV{'form.refresh'} eq 'on') {
        !           708:       my $ctr = 0;
        !           709:       while ($ctr < $ntstu) {
        !           710: 	  ($ENV{'form.student'},my $udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
        !           711: 	  &submission($request,$ctr,$ntstu-1);
        !           712: 	  $ctr++;
        !           713:       }
        !           714:       return '';
        !           715:   }
1.36      ng        716: 
1.38      ng        717:   if ($button eq 'Save & Next') {
                    718:       my $ctr = 0;
                    719:       while ($ctr < $ngrade) {
                    720: 	  my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
1.39    ! ng        721: 	  my ($errorflg) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
        !           722: 	  return '' if ($errorflg eq 'error');
1.36      ng        723: 
1.38      ng        724: 	  my $includemsg = $ENV{'form.includemsg'.$ctr};
                    725: 	  my ($subject,$message,$msgstatus) = ('','','');
                    726: 	  if ($includemsg =~ /savemsg|new$ctr/) {
                    727: 	      $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
                    728: 	      my (@msgnum) = split(/,/,$includemsg);
                    729: 	      foreach (@msgnum) {
                    730: 		  $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
                    731: 	      }
                    732: 	      $message =~ s/\s+/ /g;
                    733: 	      $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,$ENV{'form.msgsub'},$message);
                    734: 	  }
                    735: 	  if ($ENV{'form.collaborator'.$ctr}) {
                    736: 	      my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
                    737: 	      foreach (@collaborators) {
1.39    ! ng        738: 		  &saveHandGrade($request,$url,$symb,$_,$udom,$ctr);
1.38      ng        739: 		  if ($message ne '') {
                    740: 		      $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,$ENV{'form.msgsub'},$message);
                    741: 		  }
                    742: 	      }
                    743: 	  }
                    744: 	  $ctr++;
                    745:       }
                    746:   }
                    747:   my $firststu = $ENV{'form.unamedom0'};
                    748:   my $laststu  = $ENV{'form.unamedom'.($ngrade-1)};
1.36      ng        749: 
1.38      ng        750:   my ($classlist) = &getclasslist($ENV{'form.section'},'0');
                    751:   my (@nextlist,@prevlist);
1.39    ! ng        752:   my ($nextflg,$ctr,$ctprev) = (0,0,0);
        !           753:   my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
1.38      ng        754:   foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
                    755:       my ($uname,$udom) = split(/:/,$student);
1.39    ! ng        756:       my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist);
        !           757:       my $statusflg = '';
        !           758:       foreach (keys(%status)) {
        !           759: 	  $statusflg = 1 if ($status{$_} ne 'nothing');
        !           760:       }
        !           761:       next if ($statusflg eq '' && $ENV{'form.submitonly'} eq 'yes');
1.36      ng        762: 
1.38      ng        763:       if ($nextflg == 1 && $button =~ /Next$/) {
                    764: 	  push @nextlist,$uname if ($ctr < $ntstu);
                    765: 	  $ctr++;
1.39    ! ng        766: 	  last if ($ctr == $ntstu);
1.38      ng        767:       }
                    768:       $nextflg = 1 if ($student eq $laststu);
1.39    ! ng        769:       if ($button eq 'Previous') {
        !           770: 	  last if ($student eq $firststu);
1.38      ng        771: 	  push @prevlist,$uname;
                    772: 	  $ctprev++;
                    773:       }
                    774:   }
1.39    ! ng        775: 
1.38      ng        776:   if ($button eq 'Previous') {
                    777:       if ($ctprev <= $ntstu) {
                    778: 	  @nextlist = @prevlist;
                    779:       } else {
                    780: 	  my $idx = 0;
                    781: 	  my $start = $ctprev - $ntstu;
                    782: 	  while ($idx < $ntstu) {
                    783: 	      $nextlist[$idx] = $prevlist[$start+$idx];
                    784: 	      $idx++;
                    785: 	  }
                    786:       }
                    787:   }
1.39    ! ng        788: 
1.38      ng        789:   $ctr = 0;
                    790:   my $total = scalar(@nextlist)-1;
                    791:   foreach my $student (@nextlist) {
                    792:       $ENV{'form.student'} = $student;
                    793:       &submission($request,$ctr,$total);
                    794:       $ctr++;
                    795:   }
                    796:   if ($total < 0) {
                    797:       my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
                    798:       $the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
                    799:       $the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
                    800:       $the_end.=&show_grading_menu_form ($symb,$url);
                    801:       $request->print($the_end);
                    802:   }
                    803:   return '';
                    804: }
1.36      ng        805: 
1.38      ng        806: sub saveHandGrade {
1.39    ! ng        807:   my ($request,$url,$symb,$stuname,$domain,$newflg) = @_;
        !           808: #  my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
1.38      ng        809:   my %newrecord;
1.39    ! ng        810:   foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
        !           811:       if ($ENV{'form.GRADE_SEL'.$newflg.'_'.$_} eq 'excused') {
        !           812: 	  $newrecord{'resource.'.$_.'.solved'} = 'excused';
        !           813:       } else {
        !           814: 	  my $pts    = ($ENV{'form.GRADE_BOX'.$newflg.'_'.$_} ne '' ? 
        !           815: 		       $ENV{'form.GRADE_BOX'.$newflg.'_'.$_} : $ENV{'form.RADVAL'.$newflg.'_'.$_});
        !           816: 	  if ($pts eq '') {
        !           817: 	      &userError($request,'No point was assigned for part id '.$_.' and for username '.$stuname.'.');
        !           818: 	      return 'error';
        !           819: 	  }
        !           820: 	  my $wgt    = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : $ENV{'form.WGT'.$newflg.'_'.$_};
        !           821: 	  my $partial= $pts/$wgt;
        !           822: 	  $newrecord{'resource.'.$_.'.awarded'}  = $partial;
        !           823: 	  if ($partial == 0) {
        !           824: 	      $newrecord{'resource.'.$_.'.solved'} = 'incorrect_by_override';
        !           825: 	  } else {
        !           826: 	      $newrecord{'resource.'.$_.'.solved'} = 'correct_by_override';
        !           827: 	  }
1.38      ng        828:       }
                    829:   }
1.39    ! ng        830: 
1.38      ng        831:   if ( scalar(keys(%newrecord)) > 0 ) {
                    832:       $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
1.39    ! ng        833:       while (my ($k,$v) = each %newrecord) {
        !           834: 	 print "k=$k:v=$v:<br>\n";
        !           835:       }
1.38      ng        836: #     &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname);
                    837:   }
                    838:   return '';
1.36      ng        839: }
1.38      ng        840: 
                    841: sub get_symb_and_url {
                    842:   my ($request) = @_;
                    843:   (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                    844:   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
                    845:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
                    846:   return ($symb,$url);
1.36      ng        847: }
                    848: 
1.38      ng        849: sub show_grading_menu_form {
                    850:   my ($symb,$url)=@_;
                    851:   my $result.='<form action="/adm/grades" method="post">'."\n".
                    852:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                    853:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                    854: 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
                    855: 	  '<input type="submit" name="submit" value="Grading Menu" />'."\n".
                    856: 	    '</form>'."\n";
                    857:   return $result;
1.36      ng        858: }
                    859: 
1.38      ng        860: sub gradingmenu {
                    861:   my ($request) = @_;
                    862:   my ($symb,$url)=&get_symb_and_url($request);
                    863:   if (!$symb) {return '';}
                    864:   my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';
                    865:   $result.='<table border="0">';
1.39    ! ng        866:   $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';
        !           867:   my ($partlist,$handgrade) = &response_type($url);
        !           868:   my ($resptype,$hdgrade)=('','no');
        !           869:   for (sort keys(%$handgrade)) {
        !           870:       my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
        !           871:       $resptype = $responsetype;
        !           872:       $hdgrade = $handgrade if ($handgrade eq 'yes');
        !           873:       $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
        !           874: 	  '<td><b>Type: </b>'.$responsetype.'</td>'.
        !           875: 	  '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
        !           876:   }
1.38      ng        877:   $result.='</table>';
                    878:   $result.=&view_edit_entire_class_form($symb,$url).'<br />';
                    879:   $result.=&upcsvScores_form($symb,$url).'<br />';
1.39    ! ng        880:   $result.=&viewGradeaStu_form($symb,$url,$resptype,$hdgrade).'<br />';
        !           881:   $result.=&verifyReceipt_form($symb,$url).'<br />';
        !           882:   $result.=&view_classlist_form($symb,$url);
        !           883: 
        !           884:   return $result;
        !           885: }
        !           886: 
        !           887: sub view_classlist_form {
        !           888:   my ($symb,$url)=@_;
        !           889:   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
        !           890:   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
        !           891:   $result.='&nbsp;<b>View Class List</b></td></tr>'."\n";
        !           892:   $result.='<tr bgcolor=#ffffe6><td>'."\n";
        !           893:   $result.='<form action="/adm/grades" method="post">'."\n".
        !           894:       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
        !           895:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
        !           896:       '<input type="hidden" name="command" value="viewclasslist" />'."\n";
        !           897:   $result.='&nbsp;<input type="submit" name="submit" value="View Class" /></form>'."\n";
        !           898:   $result.='</td></tr></table>'."\n";
        !           899:   $result.='</td></tr></table>'."\n";
1.38      ng        900:   return $result;
1.36      ng        901: }
                    902: 
1.39    ! ng        903: sub viewclasslist {
        !           904:   my ($request) = shift;
        !           905:   my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});
        !           906:   my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
        !           907:   $request->print('<table border=1>');
        !           908:   foreach (sort keys(%classlist)) {
        !           909: #    my ($unam,$udom) = split(/:/,$_,2);
        !           910: #    my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
        !           911: #    my $fullname = &get_fullname ($unam,$udom);
        !           912: #    my @uname;
        !           913: #    $uname[0]=$unam;
        !           914: #    my %userid=&Apache::lonnet::idrget($udom,@uname);
        !           915: #    my $value=$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;
        !           916: #    $classlist{$_}=$value;
        !           917:     $request->print('<tr><td>'.$_.' </td><td><pre> '.$classlist{$_}.'</pre></td></tr>');
        !           918:   }
        !           919:   $request->print('</table>');
        !           920: #  my $putresult = &Apache::lonnet::put
        !           921: #      ('classlist',\%classlist,
        !           922: #       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
        !           923: #       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
        !           924: 
        !           925:   return '';
        !           926: }
        !           927: 
1.38      ng        928: sub view_edit_entire_class_form {
                    929:   my ($symb,$url)=@_;
                    930:   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
                    931:   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
                    932:   $result.='&nbsp;<b>View/Grade Entire Class</b></td></tr>'."\n";
                    933:   $result.='<tr bgcolor=#ffffe6><td>'."\n";
                    934:   $result.='<form action="/adm/grades" method="post">'."\n".
                    935:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                    936:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                    937: 	  '<input type="hidden" name="command" value="viewgrades" />'."\n";
                    938:   $result.='&nbsp;<b>Display students who has: </b>'.
                    939:       '<input type="radio" name="submitonly" value="yes" checked> submitted'.
                    940: 	  '<input type="radio" name="submitonly" value="all"> everybody <br /><br />';
                    941:   $result.='&nbsp;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";
                    942:   $result.='</td></tr></table>'."\n";
                    943:   $result.='</td></tr></table>'."\n";
                    944:   return $result;
1.36      ng        945: }
                    946: 
1.38      ng        947: sub upcsvScores_form {
                    948:   my ($symb,$url) = @_;
                    949:   if (!$symb) {return '';}
                    950:   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
                    951:   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
                    952:   $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";
                    953:   $result.='<tr bgcolor=#ffffe6><td>'."\n";
                    954:   my $upfile_select=&Apache::loncommon::upfile_select_html();
                    955:   $result.=<<ENDUPFORM;
                    956: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                    957: <input type="hidden" name="symb" value="$symb" />
                    958: <input type="hidden" name="url" value="$url" />
                    959: <input type="hidden" name="command" value="csvuploadmap" />
                    960: $upfile_select
                    961: <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />
                    962: </form>
                    963: ENDUPFORM
                    964:   $result.='</td></tr></table>'."\n";
                    965:   $result.='</td></tr></table>'."\n";
                    966:   return $result;
                    967: }
                    968: 
                    969: sub viewGradeaStu_form {
                    970:   my ($symb,$url,$response,$handgrade) = @_;
                    971:   my ($classlist,$sections) = &getclasslist('all','0');
                    972:   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
                    973:   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
                    974:   $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";
                    975:   $result.='<tr bgcolor=#ffffe6><td>'."\n";
                    976:   $result.='<form action="/adm/grades" method="post">'."\n".
                    977:      '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                    978:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                    979:        '<input type="hidden" name="response" value="'.$response.'" />'."\n".
                    980:         '<input type="hidden" name="handgrade" value="'.$handgrade.'" />'."\n".
                    981: 	 '<input type="hidden" name="command" value="submission" />'."\n";
1.36      ng        982: 
1.38      ng        983:   $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";
1.39    ! ng        984:   foreach (sort (@$sections)) {
        !           985:       $result.= '<option>'.$_.'</option>'."\n";
1.38      ng        986:   }
                    987:   $result.= '<option selected="on">all</select>'."\n";
                    988:   $result.='&nbsp;&nbsp;<b>Display students who has: </b>'.
                    989:       '<input type="radio" name="submitonly" value="yes" checked> submitted'.
                    990: 	  '<input type="radio" name="submitonly" value="all"> everybody <br />';
                    991:   $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
                    992:       if (grep /no/,@$sections);
1.36      ng        993: 
1.38      ng        994:   $result.='<br />&nbsp;<input type="submit" name="submit" value="View/Grade" />'."\n".
                    995:       '</form>'."\n";
                    996:   $result.='</td></tr></table>'."\n";
                    997:   $result.='</td></tr></table>'."\n";
                    998:   return $result;
1.36      ng        999: }
                   1000: 
1.38      ng       1001: sub verifyReceipt_form {
                   1002:   my ($symb,$url) = @_;
                   1003:   my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
                   1004:   my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
                   1005:   my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
1.36      ng       1006: 
1.38      ng       1007:   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
                   1008:   $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";
                   1009:   $result.='&nbsp;<b>Verify a Submission Receipt Issued by this Server</td></tr>'."\n";
                   1010:   $result.='<tr bgcolor=#ffffe6><td>'."\n";
                   1011:   $result.='<form action="/adm/grades" method="post">'."\n";
                   1012:   $result.='&nbsp;<tt>'.$hostver.'-<input type="text" name="receipt" size="4"></tt><br />'."\n";
                   1013:   $result.='&nbsp;<input type="submit" name="submit" value="Verify Receipt">'."\n";
                   1014:   $result.='<input type="hidden" name="command" value="verify">'."\n";
                   1015:   if ($ENV{'form.url'}) {
                   1016:       $result.='<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />';
                   1017:   }
                   1018:   if ($ENV{'form.symb'}) {
                   1019:       $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';
                   1020:   }
                   1021:   $result.='</form>';
                   1022:   $result.='</td></tr></table>'."\n";
                   1023:   $result.='</td></tr></table>'."\n";
                   1024:   return $result;
1.36      ng       1025: }
                   1026: 
1.38      ng       1027: sub viewgrades {
                   1028:   my ($request) = @_;
                   1029:   my $result='';
                   1030: 
                   1031:   #get resource reference
                   1032:   my ($symb,$url)=&get_symb_and_url($request);
                   1033:   if (!$symb) {return '';}
                   1034:   #get classlist
                   1035:   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                   1036:   #print "Found $cdom:$cnum<br />";
                   1037:   my ($classlist) = &getclasslist('all','0');
                   1038:   my $headerclr = '"#ddffff"';
                   1039:   my $cellclr = '"#ffffdd"';
                   1040: 
                   1041:   #get list of parts for this problem
                   1042:   my (@parts) = sort(&getpartlist($url));
1.32      ng       1043: 
1.38      ng       1044:   $request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");
1.37      ng       1045: 
1.38      ng       1046:   #start the form
                   1047:   $result = '<form action="/adm/grades" method="post">'."\n".
                   1048:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                   1049:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                   1050: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
                   1051: 	  '<input type="submit" name="submit" value="Submit Changes" />'."\n".
                   1052: 	    '<table border=0><tr><td bgcolor="#777777">'."\n".
                   1053: 	     '<table border=0>'."\n".
                   1054: 	      '<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Fullname</b></td><td><b>Domain</b></td>'."\n";
                   1055:   foreach my $part (@parts) {
                   1056:      my $display=&Apache::lonnet::metadata($url,$part.'.display');
                   1057:      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
                   1058:      $result.='<td><b>'.$display.'</b></td>'."\n";
                   1059:   }
                   1060:   $result.='</tr>';
                   1061:   #get info for each student
                   1062:   foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
                   1063: #    my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
                   1064: #      print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";
                   1065:     $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
1.34      ng       1066:   }
1.38      ng       1067:   $result.='</table></td></tr></table>';
                   1068:   $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
                   1069:   $result.=&show_grading_menu_form($symb,$url);
                   1070:   return $result;
                   1071: }
                   1072: 
                   1073: sub editgrades {
                   1074:   my ($request) = @_;
                   1075:   my $result='';
1.34      ng       1076: 
1.38      ng       1077:   my $symb=$ENV{'form.symb'};
                   1078:   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
                   1079:   my $url=$ENV{'form.url'};
                   1080:   #get classlist
                   1081: #  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
                   1082:   #print "Found $cdom:$cnum<br />";
                   1083:   my ($classlist) = &getclasslist('all','0');
1.37      ng       1084: 
1.38      ng       1085:   #get list of parts for this problem
                   1086:   my (@parts) = &getpartlist($url);
1.37      ng       1087: 
1.38      ng       1088:   $result.='<form action="/adm/grades" method="post">'."\n".
                   1089:     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                   1090:       '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                   1091: 	'<input type="hidden" name="command" value="viewgrades" />'."\n".
                   1092: 	  '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
1.35      ng       1093: 
1.38      ng       1094:   foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
                   1095:     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
1.30      ng       1096:   }
1.35      ng       1097: 
1.38      ng       1098:   $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
                   1099:   return $result;
                   1100: }
                   1101: 
                   1102: sub sub_page_js {
                   1103:   my $request = shift;
                   1104:   $request->print(<<SUBJAVASCRIPT);
                   1105: <script type="text/javascript" language="javascript">
1.39    ! ng       1106:   function updateRadio(radioButton,formtextbox,formsel,scores) {
1.38      ng       1107:      var pts = formtextbox.value;
                   1108:      var resetbox =false;
                   1109:      if (isNaN(pts) || pts < 0) {
                   1110: 	alert("A number equal or greater than 0 is expected. Entered value = "+pts);
                   1111: 	for (var i=0; i<radioButton.length; i++) {
                   1112: 	   if (radioButton[i].checked) {
                   1113: 	      formtextbox.value = i;
                   1114: 	      resetbox = true;
                   1115: 	   }
                   1116: 	}
                   1117: 	if (!resetbox) {
                   1118: 	   formtextbox.value = "";
                   1119: 	}
                   1120: 	return;
                   1121:     }
1.37      ng       1122: 
1.38      ng       1123:     for (var i=0; i<radioButton.length; i++) {
                   1124: 	radioButton[i].checked=false;
                   1125: 	if (pts == i) {
                   1126: 	   radioButton[i].checked=true;
                   1127: 	}
                   1128:     }
1.39    ! ng       1129:     updateSelect(formsel);
        !          1130:     scores.value = "0";
1.37      ng       1131:   }
                   1132: 
1.39    ! ng       1133:   function writeBox(formrad,formsel,pts,scores) {
1.38      ng       1134:     formrad.value = pts;
1.39    ! ng       1135:     scores.value = "0";
        !          1136:     updateSelect(formsel,pts);
1.38      ng       1137:     return;
1.31      ng       1138:   }
1.34      ng       1139: 
1.39    ! ng       1140:   function clearRadBox(radioButton,formbox,formsel,scores) {
        !          1141:     for (var i=0; i<formsel.length; i++) {
        !          1142: 	if (formsel[i].selected) {
        !          1143: 	    var selectx=i;
        !          1144: 	}
1.38      ng       1145:     }
1.39    ! ng       1146:     if (selectx == scores.value) { return };
        !          1147:     formbox.value = "";
        !          1148:     for (var i=0; i<radioButton.length; i++) {
        !          1149: 	radioButton[i].checked=false;
1.33      ng       1150:     }
1.39    ! ng       1151:     scores.value = selectx;
        !          1152:   }
        !          1153: 
        !          1154:   function updateSelect(formsel) {
        !          1155:     formsel[0].selected = true;
1.38      ng       1156:     return;
1.33      ng       1157:   }
1.37      ng       1158: 
1.39    ! ng       1159: //===================== Show list of keywords ====================
1.38      ng       1160:   function keywords(keyform) {
                   1161:     var keywds = keyform.value;
                   1162:     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);
                   1163:     if (nret==null) return;
                   1164:     keyform.value = nret;
                   1165:     return;
1.34      ng       1166:   }
1.30      ng       1167: 
1.38      ng       1168: //===================== Script to add keyword(s) ==================
                   1169:   function getSel() {
                   1170:     if (document.getSelection) txt = document.getSelection();
                   1171:     else if (document.selection) txt = document.selection.createRange().text;
                   1172:     else return;
                   1173:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
                   1174:     if (cleantxt=="") {
                   1175: 	alert("Select a word or group of words from document and then click this link.");
                   1176: 	return;
1.35      ng       1177:     }
1.38      ng       1178:     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
                   1179:     if (nret==null) return;
                   1180:     var curlist = document.SCORE.keywords.value;
                   1181:     document.SCORE.keywords.value = curlist+" "+nret;
                   1182:     return;
1.35      ng       1183:   }
                   1184: 
1.38      ng       1185: //====================== Script for composing message ==============
                   1186:   function msgCenter(msgform,usrctr,fullname) {
                   1187:     var Nmsg  = msgform.savemsgN.value;
                   1188:     savedMsgHeader(Nmsg,usrctr,fullname);
                   1189:     var subject = msgform.msgsub.value;
                   1190:     var rtrchk  = eval("document.SCORE.includemsg"+usrctr);
                   1191:     var msgchk = rtrchk.value;
                   1192: //    alert("checked=>"+msgchk);
                   1193:     re = /msgsub/;
                   1194:     var shwsel = "";
                   1195:     if (re.test(msgchk)) { shwsel = "checked" }
                   1196:     displaySubject(subject,shwsel);
                   1197:     for (var i=1; i<=Nmsg; i++) {
                   1198: 	var testpt = "savemsg"+i+",";
                   1199: 	re = /testpt/;
                   1200: 	shwsel = "";
                   1201: 	if (re.test(msgchk)) { shwsel = "checked" }
                   1202: 	var message = eval("document.SCORE.savemsg"+i+".value");
                   1203: 	displaySavedMsg(i,message,shwsel);
                   1204:     }
                   1205:     newmsg = eval("document.SCORE.newmsg"+usrctr+".value");
                   1206:     shwsel = "";
                   1207:     re = /newmsg/;
                   1208:     if (re.test(msgchk)) { shwsel = "checked" }
                   1209:     newMsg(newmsg,shwsel);
                   1210:     msgTail(); 
                   1211:     return;
1.35      ng       1212:   }
                   1213: 
1.38      ng       1214:   function savedMsgHeader(Nmsg,usrctr,fullname) {
                   1215:     var height = 30*Nmsg+250;
                   1216:     var scrollbar = "no";
                   1217:     if (height > 600) {
                   1218: 	height = 600;
                   1219: 	scrollbar = "yes";
                   1220:     }
                   1221: /*    if (window.pWin)
                   1222: 	window.pWin.close(); */
                   1223:     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);
                   1224:     pWin.document.write("<html><head>");
                   1225:     pWin.document.write("<title>Message Central</title>");
1.37      ng       1226: 
1.38      ng       1227:     pWin.document.write("<script language=javascript>");
                   1228:     pWin.document.write("function checkInput() {");
                   1229:     pWin.document.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");
                   1230:     pWin.document.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
                   1231:     pWin.document.write("  var usrctr = document.msgcenter.usrctr.value;");
                   1232:     pWin.document.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");
                   1233:     pWin.document.write("  newval.value = document.msgcenter.newmsg.value;");
1.37      ng       1234: 
1.38      ng       1235:     pWin.document.write("  var msgchk = \\"\\";");
                   1236:     pWin.document.write("  if (document.msgcenter.subchk.checked) {");
                   1237:     pWin.document.write("     msgchk = \\"msgsub,\\";");
                   1238:     pWin.document.write("  }");
                   1239:     pWin.document.write(   "for (var i=1; i<=nmsg; i++) {");
                   1240:     pWin.document.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");
                   1241:     pWin.document.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");
                   1242:     pWin.document.write("      opnmsg.value = frmmsg.value;");
                   1243:     pWin.document.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");
                   1244:     pWin.document.write("      if (chkbox.checked) {");
                   1245:     pWin.document.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
                   1246:     pWin.document.write("      }");
                   1247:     pWin.document.write("  }");
                   1248:     pWin.document.write("  if (document.msgcenter.newmsgchk.checked) {");
                   1249:     pWin.document.write("     msgchk += \\"newmsg\\"+usrctr;");
                   1250:     pWin.document.write("  }");
                   1251:     pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");
                   1252:     pWin.document.write("  includemsg.value = msgchk;");
1.37      ng       1253: 
1.38      ng       1254: //    pWin.document.write("  alert(\\"slected=\\"+msgchk)");
                   1255:     pWin.document.write("  self.close()");
1.37      ng       1256: 
1.38      ng       1257:     pWin.document.write("}");
1.34      ng       1258: 
1.38      ng       1259:     pWin.document.write("<");
                   1260:     pWin.document.write("/script>");
1.33      ng       1261: 
1.38      ng       1262:     pWin.document.write("</head><body bgcolor=white>");
1.37      ng       1263: 
1.38      ng       1264:     pWin.document.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
                   1265:     pWin.document.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
                   1266:     pWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
1.34      ng       1267: 
1.38      ng       1268:     pWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1269:     pWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                   1270:     pWin.document.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
                   1271: }
                   1272:     function displaySubject(msg,shwsel) {
                   1273:     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
                   1274:     pWin.document.write("<td>Subject</td>");
                   1275:     pWin.document.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1276:     pWin.document.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+" \\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
1.34      ng       1277: }
                   1278: 
1.38      ng       1279: function displaySavedMsg(ctr,msg,shwsel) {
                   1280:     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
                   1281:     pWin.document.write("<td align=\\"center\\">"+ctr+"</td>");
                   1282:     pWin.document.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1283:     pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
1.34      ng       1284: }
                   1285: 
1.38      ng       1286:   function newMsg(newmsg,shwsel) {
                   1287:     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
                   1288:     pWin.document.write("<td align=\\"center\\">New</td>");
                   1289:     pWin.document.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
1.39    ! ng       1290:     pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
1.34      ng       1291: }
                   1292: 
1.38      ng       1293:   function msgTail() {
                   1294:     pWin.document.write("</table>");
                   1295:     pWin.document.write("</td></tr></table>&nbsp;");
                   1296:     pWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
                   1297:     pWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
                   1298:     pWin.document.write("</form>");
                   1299:     pWin.document.write("</body></html>");
                   1300: }
1.34      ng       1301: 
1.38      ng       1302: //====================== Script for keyword highlight options ==============
                   1303:   function kwhighlight() {
                   1304:     var kwclr    = document.SCORE.kwclr.value;
                   1305:     var kwsize   = document.SCORE.kwsize.value;
                   1306:     var kwstyle  = document.SCORE.kwstyle.value;
                   1307:     var redsel = "";
                   1308:     var grnsel = "";
                   1309:     var blusel = "";
                   1310:     if (kwclr=="red")   {var redsel="checked"};
                   1311:     if (kwclr=="green") {var grnsel="checked"};
                   1312:     if (kwclr=="blue")  {var blusel="checked"};
                   1313:     var sznsel = "";
                   1314:     var sz1sel = "";
                   1315:     var sz2sel = "";
                   1316:     if (kwsize=="0")  {var sznsel="checked"};
                   1317:     if (kwsize=="+1") {var sz1sel="checked"};
                   1318:     if (kwsize=="+2") {var sz2sel="checked"};
                   1319:     var synsel = "";
                   1320:     var syisel = "";
                   1321:     var sybsel = "";
                   1322:     if (kwstyle=="")    {var synsel="checked"};
                   1323:     if (kwstyle=="<i>") {var syisel="checked"};
                   1324:     if (kwstyle=="<b>") {var sybsel="checked"};
                   1325:     highlightCentral();
                   1326:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
                   1327:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
                   1328:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
                   1329:     highlightend();
                   1330:     return;
1.34      ng       1331:   }
                   1332: 
                   1333: 
1.38      ng       1334:   function highlightCentral() {
                   1335:     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');
                   1336:     hwdWin.document.write("<html><head>");
                   1337:     hwdWin.document.write("<title>Highlight Central</title>");
1.34      ng       1338: 
1.38      ng       1339:     hwdWin.document.write("<script language=javascript>");
1.39    ! ng       1340:     hwdWin.document.write("function updateChoice(flag) {");
1.38      ng       1341:     hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");
                   1342:     hwdWin.document.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");
                   1343:     hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");
1.39    ! ng       1344:     hwdWin.document.write("  if (flag==1){");
        !          1345:     hwdWin.document.write("     opener.document.SCORE.refresh.value = \\"on\\";");
        !          1346:     hwdWin.document.write("     opener.document.SCORE.submit();");
        !          1347:     hwdWin.document.write("   }");
1.38      ng       1348:     hwdWin.document.write("  self.close()");
                   1349:     hwdWin.document.write("}");
1.26      albertel 1350: 
1.38      ng       1351:     hwdWin.document.write("function radioSelection(radioButton) {");
                   1352:     hwdWin.document.write("    var selection=null;");
                   1353:     hwdWin.document.write("    for (var i=0; i<radioButton.length; i++) {");
                   1354:     hwdWin.document.write("        if (radioButton[i].checked) {");
                   1355:     hwdWin.document.write("            selection=radioButton[i].value;");
                   1356:     hwdWin.document.write("            return selection;");
                   1357:     hwdWin.document.write("        }");
                   1358:     hwdWin.document.write("    }");
                   1359:     hwdWin.document.write("}");
1.26      albertel 1360: 
1.38      ng       1361:     hwdWin.document.write("<");
                   1362:     hwdWin.document.write("/script>");
1.13      albertel 1363: 
1.38      ng       1364:     hwdWin.document.write("</head><body bgcolor=white>");
1.13      albertel 1365: 
1.38      ng       1366:     hwdWin.document.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
                   1367:     hwdWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
1.13      albertel 1368: 
1.38      ng       1369:     hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1370:     hwdWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                   1371:     hwdWin.document.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
1.30      ng       1372:   }
1.38      ng       1373: 
                   1374:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
                   1375:     hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
                   1376:     hwdWin.document.write("<td align=\\"left\\">");
                   1377:     hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
                   1378:     hwdWin.document.write("<td align=\\"left\\">");
                   1379:     hwdWin.document.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
                   1380:     hwdWin.document.write("<td align=\\"left\\">");
                   1381:     hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
                   1382:     hwdWin.document.write("</tr>");
1.13      albertel 1383:   }
1.5       albertel 1384: 
1.38      ng       1385:   function highlightend() { 
                   1386:     hwdWin.document.write("</table>");
                   1387:     hwdWin.document.write("</td></tr></table>&nbsp;");
1.39    ! ng       1388:     hwdWin.document.write("<input type=\\"button\\" value=\\"Refresh\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
        !          1389:     hwdWin.document.write("<input type=\\"button\\" value=\\"Set Options\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");
1.38      ng       1390:     hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
                   1391:     hwdWin.document.write("</form>");
                   1392:     hwdWin.document.write("</body></html>");
1.13      albertel 1393:   }
1.5       albertel 1394: 
1.38      ng       1395: </script>
                   1396: SUBJAVASCRIPT
1.5       albertel 1397: }
                   1398: 
1.27      albertel 1399: sub csvupload_javascript_reverse_associate {
                   1400:   return(<<ENDPICK);
                   1401:   function verify(vf) {
                   1402:     var foundsomething=0;
                   1403:     var founduname=0;
                   1404:     var founddomain=0;
                   1405:     for (i=0;i<=vf.nfields.value;i++) {
                   1406:       tw=eval('vf.f'+i+'.selectedIndex');
                   1407:       if (i==0 && tw!=0) { founduname=1; }
                   1408:       if (i==1 && tw!=0) { founddomain=1; }
                   1409:       if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
                   1410:     }
                   1411:     if (founduname==0 || founddomain==0) {
                   1412:       alert('You need to specify at both the username and domain');
                   1413:       return;
                   1414:     }
                   1415:     if (foundsomething==0) {
                   1416:       alert('You need to specify at least one grading field');
                   1417:       return;
                   1418:     }
                   1419:     vf.submit();
                   1420:   }
                   1421:   function flip(vf,tf) {
                   1422:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   1423:     var i;
                   1424:     for (i=0;i<=vf.nfields.value;i++) {
                   1425:       //can not pick the same destination field for both name and domain
                   1426:       if (((i ==0)||(i ==1)) && 
                   1427:           ((tf==0)||(tf==1)) && 
                   1428:           (i!=tf) &&
                   1429:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   1430:         eval('vf.f'+i+'.selectedIndex=0;')
                   1431:       }
                   1432:     }
                   1433:   }
                   1434: ENDPICK
                   1435: }
                   1436: 
                   1437: sub csvupload_javascript_forward_associate {
                   1438:   return(<<ENDPICK);
                   1439:   function verify(vf) {
                   1440:     var foundsomething=0;
                   1441:     var founduname=0;
                   1442:     var founddomain=0;
                   1443:     for (i=0;i<=vf.nfields.value;i++) {
                   1444:       tw=eval('vf.f'+i+'.selectedIndex');
                   1445:       if (tw==1) { founduname=1; }
                   1446:       if (tw==2) { founddomain=1; }
                   1447:       if (tw>2) { foundsomething=1; }
                   1448:     }
                   1449:     if (founduname==0 || founddomain==0) {
                   1450:       alert('You need to specify at both the username and domain');
                   1451:       return;
                   1452:     }
                   1453:     if (foundsomething==0) {
                   1454:       alert('You need to specify at least one grading field');
                   1455:       return;
                   1456:     }
                   1457:     vf.submit();
                   1458:   }
                   1459:   function flip(vf,tf) {
                   1460:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   1461:     var i;
                   1462:     //can not pick the same destination field twice
                   1463:     for (i=0;i<=vf.nfields.value;i++) {
                   1464:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   1465:         eval('vf.f'+i+'.selectedIndex=0;')
                   1466:       }
                   1467:     }
                   1468:   }
                   1469: ENDPICK
                   1470: }
                   1471: 
1.26      albertel 1472: sub csvuploadmap_header {
                   1473:   my ($request,$symb,$url,$datatoken,$distotal)= @_;
                   1474:   my $result;
                   1475:   my $javascript;
                   1476:   if ($ENV{'form.upfile_associate'} eq 'reverse') {
1.27      albertel 1477:     $javascript=&csvupload_javascript_reverse_associate();
1.26      albertel 1478:   } else {
1.27      albertel 1479:     $javascript=&csvupload_javascript_forward_associate();
1.26      albertel 1480:   }
                   1481:   $request->print(<<ENDPICK);
                   1482: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
                   1483: <h3>Uploading Class Grades for resource $url</h3>
                   1484: <hr>
                   1485: <h3>Identify fields</h3>
                   1486: Total number of records found in file: $distotal <hr />
                   1487: Enter as many fields as you can. The system will inform you and bring you back
                   1488: to this page if the data selected is insufficient to run your class.<hr />
                   1489: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
                   1490: <input type="hidden" name="associate"  value="" />
                   1491: <input type="hidden" name="phase"      value="three" />
                   1492: <input type="hidden" name="datatoken"  value="$datatoken" />
                   1493: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
                   1494: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
                   1495: <input type="hidden" name="upfile_associate" 
                   1496:                                        value="$ENV{'form.upfile_associate'}" />
                   1497: <input type="hidden" name="symb"       value="$symb" />
                   1498: <input type="hidden" name="url"        value="$url" />
                   1499: <input type="hidden" name="command"    value="csvuploadassign" />
                   1500: <hr />
                   1501: <script type="text/javascript" language="Javascript">
                   1502: $javascript
                   1503: </script>
                   1504: ENDPICK
                   1505:   return '';
                   1506: 
                   1507: }
                   1508: 
                   1509: sub csvupload_fields {
                   1510:   my ($url) = @_;
                   1511:   my (@parts) = &getpartlist($url);
1.27      albertel 1512:   my @fields=(['username','Student Username'],['domain','Student Domain']);
                   1513:   foreach my $part (sort(@parts)) {
1.26      albertel 1514:     my @datum;
                   1515:     my $display=&Apache::lonnet::metadata($url,$part.'.display');
1.27      albertel 1516:     my $name=$part;
1.26      albertel 1517:     if  (!$display) { $display = $name; }
                   1518:     @datum=($name,$display);
                   1519:     push(@fields,\@datum);
                   1520:   }
                   1521:   return (@fields);
                   1522: }
                   1523: 
                   1524: sub csvuploadmap_footer {
                   1525:   my ($request,$i,$keyfields) =@_;
                   1526:   $request->print(<<ENDPICK);
                   1527: </table>
                   1528: <input type="hidden" name="nfields" value="$i" />
                   1529: <input type="hidden" name="keyfields" value="$keyfields" />
                   1530: <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
                   1531: </form>
                   1532: ENDPICK
                   1533: }
                   1534: 
                   1535: sub csvuploadmap {
                   1536:   my ($request)= @_;
                   1537:   my ($symb,$url)=&get_symb_and_url($request);
                   1538:   if (!$symb) {return '';}
                   1539:   my $datatoken;
                   1540:   if (!$ENV{'form.datatoken'}) {
                   1541:     $datatoken=&Apache::loncommon::upfile_store($request);
                   1542:   } else {
                   1543:     $datatoken=$ENV{'form.datatoken'};
                   1544:     &Apache::loncommon::load_tmp_file($request);
                   1545:   }
                   1546:   my @records=&Apache::loncommon::upfile_record_sep();
                   1547:   &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
                   1548:   my $i;
                   1549:   my $keyfields;
                   1550:   if (@records) {
                   1551:     my @fields=&csvupload_fields($url);
                   1552:     if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                   1553:       &Apache::loncommon::csv_print_samples($request,\@records);
                   1554:       $i=&Apache::loncommon::csv_print_select_table($request,\@records,
                   1555: 						    \@fields);
                   1556:       foreach (@fields) { $keyfields.=$_->[0].','; }
                   1557:       chop($keyfields);
                   1558:     } else {
                   1559:       unshift(@fields,['none','']);
                   1560:       $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
                   1561: 						      \@fields);
                   1562:       my %sone=&Apache::loncommon::record_sep($records[0]);
                   1563:       $keyfields=join(',',sort(keys(%sone)));
                   1564:     }
                   1565:   }
                   1566:   &csvuploadmap_footer($request,$i,$keyfields);
                   1567:   return '';
1.27      albertel 1568: }
                   1569: 
                   1570: sub csvuploadassign {
                   1571:   my ($request)= @_;
                   1572:   my ($symb,$url)=&get_symb_and_url($request);
                   1573:   if (!$symb) {return '';}
                   1574:   &Apache::loncommon::load_tmp_file($request);
                   1575:   my @gradedata=&Apache::loncommon::upfile_record_sep();
                   1576:   my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   1577:   my %fields=();
                   1578:   for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
                   1579:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   1580:       if ($ENV{'form.f'.$i} ne 'none') {
                   1581: 	$fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   1582:       }
                   1583:     } else {
                   1584:       if ($ENV{'form.f'.$i} ne 'none') {
                   1585: 	$fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   1586:       }
                   1587:     }
                   1588:   }
                   1589:   $request->print('<h3>Assigning Grades</h3>');
                   1590:   my $courseid=$ENV{'request.course.id'};
1.34      ng       1591: #  my $cdom=$ENV{"course.$courseid.domain"};
                   1592: #  my $cnum=$ENV{"course.$courseid.num"};
                   1593:   my ($classlist) = &getclasslist('all','1');
1.29      albertel 1594:   my @skipped;
                   1595:   my $countdone=0;
                   1596:   foreach my $grade (@gradedata) {
                   1597:     my %entries=&Apache::loncommon::record_sep($grade);
                   1598:     my $username=$entries{$fields{'username'}};
                   1599:     my $domain=$entries{$fields{'domain'}};
1.34      ng       1600:     if (!exists($$classlist{"$username:$domain"})) {
1.29      albertel 1601:       push(@skipped,"$username:$domain");
                   1602:       next;
1.27      albertel 1603:     }
1.29      albertel 1604:     my %grades;
                   1605:     foreach my $dest (keys(%fields)) {
                   1606:       if ($dest eq 'username' || $dest eq 'domain') { next; }
                   1607:       if ($entries{$fields{$dest}} eq '') { next; }
                   1608:       my $store_key=$dest;
                   1609:       $store_key=~s/^stores/resource/;
                   1610:       $store_key=~s/_/\./g;
                   1611:       $grades{$store_key}=$entries{$fields{$dest}};
                   1612:     }
                   1613:     $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
                   1614:     &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
                   1615: 			    $domain,$username);
                   1616:     $request->print('.');
                   1617:     $request->rflush();
                   1618:     $countdone++;
                   1619:   }
                   1620:   $request->print("<br />Stored $countdone students\n");
                   1621:   if (@skipped) {
                   1622:     $request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
                   1623:     foreach my $student (@skipped) { $request->print("<br />$student"); }
1.27      albertel 1624:   }
1.29      albertel 1625:   $request->print(&view_edit_entire_class_form($symb,$url));
                   1626:   $request->print(&show_grading_menu_form($symb,$url));
                   1627:   return '';
1.26      albertel 1628: }
                   1629: 
1.2       albertel 1630: sub send_header {
1.13      albertel 1631:   my ($request)= @_;
                   1632:   $request->print(&Apache::lontexconvert::header());
1.6       albertel 1633: #  $request->print("
                   1634: #<script>
                   1635: #remotewindow=open('','homeworkremote');
                   1636: #remotewindow.close();
                   1637: #</script>"); 
1.13      albertel 1638:   $request->print('<body bgcolor="#FFFFFF">');
1.2       albertel 1639: }
                   1640: 
                   1641: sub send_footer {
1.13      albertel 1642:   my ($request)= @_;
1.2       albertel 1643:   $request->print('</body>');
                   1644:   $request->print(&Apache::lontexconvert::footer());
                   1645: }
                   1646: 
1.1       albertel 1647: sub handler {
1.13      albertel 1648:   my $request=$_[0];
                   1649: 
                   1650:   if ($ENV{'browser.mathml'}) {
                   1651:     $request->content_type('text/xml');
                   1652:   } else {
                   1653:     $request->content_type('text/html');
                   1654:   }
                   1655:   $request->send_http_header;
                   1656:   return OK if $request->header_only;
1.16      albertel 1657:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
1.13      albertel 1658:   my $url=$ENV{'form.url'};
                   1659:   my $symb=$ENV{'form.symb'};
                   1660:   my $command=$ENV{'form.command'};
1.16      albertel 1661:   if (!$url) {
                   1662:     my ($temp1,$temp2);
                   1663:     ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
                   1664:     $url = $ENV{'form.url'};
                   1665:   }
1.13      albertel 1666:   &send_header($request);
                   1667:   if ($url eq '' && $symb eq '') {
1.14      www      1668:      if ($ENV{'user.adv'}) {
                   1669:          if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
                   1670:              ($ENV{'form.codethree'})) {
                   1671:              my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
                   1672: 		        $ENV{'form.codethree'};
                   1673:              my ($tsymb,$tuname,$tudom,$tcrsid)=
                   1674: 		 &Apache::lonnet::checkin($token);
                   1675:              if ($tsymb) {
                   1676:                 my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                   1677:                 if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
                   1678:                    $request->print(
                   1679:                      &Apache::lonnet::ssi('/res/'.$url,
                   1680:                         ('grade_username' => $tuname,
                   1681:                          'grade_domain' => $tudom,
                   1682:                          'grade_courseid' => $tcrsid,
                   1683:                          'grade_symb' => $tsymb)));
                   1684:                 } else {
                   1685:                    $request->print('<h1>Not authorized: '.$token.'</h1>');
                   1686:                 }           
                   1687: 	    } else {
                   1688:                 $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
                   1689:             }
                   1690: 	 } else {
                   1691:              $request->print(&Apache::lonxml::tokeninputfield());
                   1692:          }
                   1693:      }
1.13      albertel 1694:   } else {
1.29      albertel 1695:     #&Apache::lonhomework::showhashsubset(\%ENV,'^form');
1.13      albertel 1696:     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
                   1697:     if ($command eq 'submission') {
1.20      albertel 1698:       &listStudents($request) if ($ENV{'form.student'} eq '');
1.34      ng       1699:       &submission($request,0,0) if ($ENV{'form.student'} ne '');
                   1700:     } elsif ($command eq 'processGroup') {
                   1701:       &processGroup($request);
1.26      albertel 1702:     } elsif ($command eq 'gradingmenu') {
                   1703:       $request->print(&gradingmenu($request));
1.13      albertel 1704:     } elsif ($command eq 'viewgrades') {
                   1705:       $request->print(&viewgrades($request));
1.33      ng       1706:     } elsif ($command eq 'handgrade') {
                   1707:       $request->print(&processHandGrade($request));
1.13      albertel 1708:     } elsif ($command eq 'editgrades') {
                   1709:       $request->print(&editgrades($request));
1.23      www      1710:     } elsif ($command eq 'verify') {
                   1711:       $request->print(&verifyreceipt($request));
1.26      albertel 1712:     } elsif ($command eq 'csvupload') {
                   1713:       $request->print(&csvupload($request));
1.39    ! ng       1714:     } elsif ($command eq 'viewclasslist') {
        !          1715:       $request->print(&viewclasslist($request));
1.26      albertel 1716:     } elsif ($command eq 'csvuploadmap') {
                   1717:       $request->print(&csvuploadmap($request));
1.34      ng       1718: #    } elsif ($command eq 'receiptInput') {
                   1719: #      &receiptInput($request);
1.26      albertel 1720:     } elsif ($command eq 'csvuploadassign') {
                   1721:       if ($ENV{'form.associate'} ne 'Reverse Association') {
                   1722: 	$request->print(&csvuploadassign($request));
                   1723:       } else {
                   1724: 	if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                   1725: 	  $ENV{'form.upfile_associate'} = 'reverse';
                   1726: 	} else {
                   1727: 	  $ENV{'form.upfile_associate'} = 'forward';
                   1728: 	}
                   1729: 	$request->print(&csvuploadmap($request));
                   1730:       }
1.12      harris41 1731:     } else {
1.23      www      1732:       $request->print("Unknown action: $command:");
1.2       albertel 1733:     }
1.13      albertel 1734:   }
                   1735:   &send_footer($request);
                   1736:   return OK;
1.1       albertel 1737: }
                   1738: 
                   1739: 1;
                   1740: 
1.13      albertel 1741: __END__;

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