Annotation of loncom/homework/grades.pm, revision 1.37

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

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