File:  [LON-CAPA] / loncom / homework / grades.pm
Revision 1.153: download - view: text, annotated - select for diffs
Mon Nov 10 16:28:10 2003 UTC (20 years, 5 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- if you only set the score on 1 part of a multipart problem, it actually got thrown away (BUG#2102)
- removed most of the
   perl_code if(); formulations as they were hard to read

    1: # The LearningOnline Network with CAPA
    2: # The LON-CAPA Grading handler
    3: #
    4: # $Id: grades.pm,v 1.153 2003/11/10 16:28:10 albertel Exp $
    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: #
   28: # 2/9,2/13 Guy Albertelli
   29: # 6/8 Gerd Kortemeyer
   30: # 7/26 H.K. Ng
   31: # 8/20 Gerd Kortemeyer
   32: # Year 2002
   33: # June-August H.K. Ng
   34: # Year 2003
   35: # February, March H.K. Ng
   36: # July, H. K. Ng
   37: #
   38: 
   39: package Apache::grades;
   40: use strict;
   41: use Apache::style;
   42: use Apache::lonxml;
   43: use Apache::lonnet;
   44: use Apache::loncommon;
   45: use Apache::lonhtmlcommon;
   46: use Apache::lonnavmaps;
   47: use Apache::lonhomework;
   48: use Apache::loncoursedata;
   49: use Apache::lonmsg qw(:user_normal_msg);
   50: use Apache::Constants qw(:common);
   51: use String::Similarity;
   52: 
   53: my %oldessays=();
   54: my %perm=();
   55: 
   56: # ----- These first few routines are general use routines.----
   57: #
   58: # --- Retrieve the parts from the metadata file.---
   59: sub getpartlist {
   60:     my ($url,$symb) = @_;
   61:     my $partorder = &Apache::lonnet::metadata($url, 'partorder');
   62:     my @parts;
   63:     if ($partorder) {
   64: 	for my $part (split (/,/,$partorder)) {
   65: 	    if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
   66: 		push(@parts, $part);
   67: 	    }
   68: 	}	    
   69:     } else {
   70: 	my $metadata = &Apache::lonnet::metadata($url, 'packages');
   71: 	foreach (split(/\,/,$metadata)) {
   72: 	    if ($_ =~ /^part_(.*)$/) {
   73: 		if (!&Apache::loncommon::check_if_partid_hidden($1,$symb)) {
   74: 		    push(@parts, $1);
   75: 		}
   76: 	    }
   77: 	}
   78:     }
   79:     my @stores;
   80:     foreach my $part (@parts) {
   81: 	my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
   82: 	foreach my $key (@metakeys) {
   83: 	    if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
   84: 	}
   85:     }
   86:     return @stores;
   87: }
   88: 
   89: # --- Get the symbolic name of a problem and the url
   90: sub get_symb_and_url {
   91:     my ($request) = @_;
   92:     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
   93:     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
   94:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
   95:     return ($symb,$url);
   96: }
   97: 
   98: # --- Retrieve the fullname for a user. Return lastname, first middle ---
   99: # --- Generation is attached next to the lastname if it exists. ---
  100: sub get_fullname {
  101:     my ($uname,$udom) = @_;
  102:     my %name=&Apache::lonnet::get('environment', ['lastname','generation',
  103: 						  'firstname','middlename'],
  104:                                   $udom,$uname);
  105:     my $fullname;
  106:     my ($tmp) = keys(%name);
  107:     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
  108:         $fullname = &Apache::loncoursedata::ProcessFullName
  109:             (@name{qw/lastname generation firstname middlename/});
  110:     } else {
  111:         &Apache::lonnet::logthis('grades.pm: no name data for '.$uname.
  112:                                  '@'.$udom.':'.$tmp);
  113:     }
  114:     return $fullname;
  115: }
  116: 
  117: #--- Format fullname, username:domain if different for display
  118: #--- Use anywhere where the student names are listed
  119: sub nameUserString {
  120:     my ($type,$fullname,$uname,$udom) = @_;
  121:     if ($type eq 'header') {
  122: 	return '<b>&nbsp;Fullname&nbsp;</b><font color="#999999">(Username)</font>&nbsp;';
  123:     } else {
  124: 	return '&nbsp;'.$fullname.'<font color="#999999">&nbsp;('.$uname.
  125: 	    ($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</font>';
  126:     }
  127: }
  128: 
  129: #--- Get the partlist and the response type for a given problem. ---
  130: #--- Indicate if a response type is coded handgraded or not. ---
  131: sub response_type {
  132:     my ($url,$symb) = shift;
  133:     $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
  134:     my $allkeys = &Apache::lonnet::metadata($url,'keys');
  135:     my %seen = ();
  136:     my (@partlist,%handgrade,%responseType);
  137:     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
  138: 	if (/^\w+response_.*/) {
  139: 	    my ($responsetype,$part) = split(/_/,$_,2);
  140: 	    my ($partid,$respid) = split(/_/,$part);
  141: 	    if (&Apache::loncommon::check_if_partid_hidden($partid,$symb)) {
  142: 		next;
  143: 	    }
  144: 	    $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
  145: 	    my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
  146: 	    $handgrade{$part} = ($value eq 'yes' ? 'yes' : 'no'); 
  147: 	    if (!exists($responseType{$partid})) { $responseType{$partid}={}; }
  148: 	    $responseType{$partid}->{$respid}=$responsetype;
  149: 	    next if ($seen{$partid} > 0);
  150: 	    $seen{$partid}++;
  151: 	    push @partlist,$partid;
  152: 	}
  153:     }
  154:     return \@partlist,\%handgrade,\%responseType;
  155: }
  156: 
  157: #--- Show resource title
  158: #--- and parts and response type
  159: sub showResourceInfo {
  160:     my ($url,$probTitle) = @_;
  161:     my $result ='<table border="0">'.
  162: 	'<tr><td colspan=3><font size=+1><b>Current Resource: </b>'.$probTitle.'</font></td></tr>'."\n";
  163:     my ($partlist,$handgrade,$responseType) = &response_type($url);
  164:     my %resptype = ();
  165:     my $hdgrade='no';
  166:     for my $part_resID (sort keys(%$handgrade)) {
  167: 	my $handgrade=$$handgrade{$part_resID};
  168: 	my ($partID,$resID) = split(/_/,$part_resID);
  169: 	my $responsetype = $responseType->{$partID}->{$resID};
  170: 	$hdgrade = $handgrade if ($handgrade eq 'yes');
  171: 	$result.='<tr><td><b>Part </b>'.$partID.' <font color="#999999">'.
  172: 	    $resID.'</font></td>'.
  173: 	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
  174: #	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
  175:     }
  176:     $result.='</table>'."\n";
  177:     return $result,$responseType,$hdgrade,$partlist,$handgrade;
  178: }
  179: 
  180: 
  181: sub get_order {
  182:     my ($partid,$respid,$symb,$uname,$udom)=@_;
  183:     my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
  184:     $url=&Apache::lonnet::clutter($url);
  185:     my $subresult=&Apache::lonnet::ssi($url,
  186: 				       ('grade_target' => 'analyze'),
  187: 				       ('grade_domain' => $udom),
  188: 				       ('grade_symb' => $symb),
  189: 				       ('grade_courseid' => 
  190: 					        $ENV{'request.course.id'}),
  191: 				       ('grade_username' => $uname));
  192:     (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
  193:     my %analyze=&Apache::lonnet::str2hash($subresult);
  194:     return ($analyze{"$partid.$respid.shown"});
  195: }
  196: #--- Clean response type for display
  197: #--- Currently filters option/rank/radiobutton/match/essay response types only.
  198: sub cleanRecord {
  199:     my ($answer,$response,$symb,$partid,$respid,$record,$order,$version) = @_;
  200:     my $grayFont = '<font color="#999999">';
  201:     if ($response =~ /^(option|rank)$/) {
  202: 	my %answer=&Apache::lonnet::str2hash($answer);
  203: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
  204: 	my ($toprow,$bottomrow);
  205: 	foreach my $foil (@$order) {
  206: 	    if ($grading{$foil} == 1) {
  207: 		$toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
  208: 	    } else {
  209: 		$toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
  210: 	    }
  211: 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
  212: 	}
  213: 	return '<blockquote><table border="1">'.
  214: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
  215: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
  216: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
  217:     } elsif ($response eq 'match') {
  218: 	my %answer=&Apache::lonnet::str2hash($answer);
  219: 	my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
  220: 	my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
  221: 	my ($toprow,$middlerow,$bottomrow);
  222: 	foreach my $foil (@$order) {
  223: 	    my $item=shift(@items);
  224: 	    if ($grading{$foil} == 1) {
  225: 		$toprow.='<td><b>'.$item.'&nbsp;</b></td>';
  226: 		$middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</font></b></td>';
  227: 	    } else {
  228: 		$toprow.='<td><i>'.$item.'&nbsp;</i></td>';
  229: 		$middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</font></i></td>';
  230: 	    }
  231: 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
  232: 	}
  233: 	return '<blockquote><table border="1">'.
  234: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
  235: 	    '<tr valign="top"><td>'.$grayFont.'Item ID</font></td>'.
  236: 	    $middlerow.'</tr>'.
  237: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
  238: 	    $bottomrow.'</tr>'.'</table></blockquote>';
  239:     } elsif ($response eq 'radiobutton') {
  240: 	my %answer=&Apache::lonnet::str2hash($answer);
  241: 	my ($toprow,$bottomrow);
  242: 	my $correct=($order->[0])+1;
  243: 	for (my $i=1;$i<=$#$order;$i++) {
  244: 	    my $foil=$order->[$i];
  245: 	    if (exists($answer{$foil})) {
  246: 		if ($i == $correct) {
  247: 		    $toprow.='<td><b>true</b></td>';
  248: 		} else {
  249: 		    $toprow.='<td><i>true</i></td>';
  250: 		}
  251: 	    } else {
  252: 		$toprow.='<td>false</td>';
  253: 	    }
  254: 	    $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
  255: 	}
  256: 	return '<blockquote><table border="1">'.
  257: 	    '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
  258: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
  259: 	    $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
  260:     } elsif ($response eq 'essay') {
  261: 	if (! exists ($ENV{'form.'.$symb})) {
  262: 	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
  263: 						  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
  264: 						  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
  265: 
  266: 	    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
  267: 	    $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
  268: 	    $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
  269: 	    $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
  270: 	    $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
  271: 	    $ENV{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob.
  272: 	}
  273: 	return '<br /><br /><blockquote><pre>'.&keywords_highlight($answer).'</pre></blockquote>';
  274:     }
  275:     return $answer;
  276: }
  277: 
  278: #-- A couple of common js functions
  279: sub commonJSfunctions {
  280:     my $request = shift;
  281:     $request->print(<<COMMONJSFUNCTIONS);
  282: <script type="text/javascript" language="javascript">
  283:     function radioSelection(radioButton) {
  284: 	var selection=null;
  285: 	if (radioButton.length > 1) {
  286: 	    for (var i=0; i<radioButton.length; i++) {
  287: 		if (radioButton[i].checked) {
  288: 		    return radioButton[i].value;
  289: 		}
  290: 	    }
  291: 	} else {
  292: 	    if (radioButton.checked) return radioButton.value;
  293: 	}
  294: 	return selection;
  295:     }
  296: 
  297:     function pullDownSelection(selectOne) {
  298: 	var selection="";
  299: 	if (selectOne.length > 1) {
  300: 	    for (var i=0; i<selectOne.length; i++) {
  301: 		if (selectOne[i].selected) {
  302: 		    return selectOne[i].value;
  303: 		}
  304: 	    }
  305: 	} else {
  306:             // only one value it must be the selected one
  307: 	    return selectOne.value;
  308: 	}
  309:     }
  310: </script>
  311: COMMONJSFUNCTIONS
  312: }
  313: 
  314: #--- Dumps the class list with usernames,list of sections,
  315: #--- section, ids and fullnames for each user.
  316: sub getclasslist {
  317:     my ($getsec,$filterlist) = @_;
  318:     $getsec = $getsec eq '' ? 'all' : $getsec;
  319:     my $classlist=&Apache::loncoursedata::get_classlist();
  320:     # Bail out if we were unable to get the classlist
  321:     return if (! defined($classlist));
  322:     #
  323:     my %sections;
  324:     my %fullnames;
  325:     foreach (keys(%$classlist)) {
  326:         # the following undefs are for 'domain', and 'username' respectively.
  327: 	my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
  328:             @{$classlist->{$_}};
  329: 	# filter students according to status selected
  330: 	if ($filterlist && $ENV{'form.Status'} ne 'Any') {
  331: 	    if ($ENV{'form.Status'} ne $status) {
  332: 		delete ($classlist->{$_});
  333: 		next;
  334: 	    }
  335: 	}
  336: 	$section = ($section ne '' ? $section : 'no');
  337: 	if (&canview($section)) {
  338: 	    if ($getsec eq 'all' || $getsec eq $section) {
  339: 		$sections{$section}++;
  340: 		$fullnames{$_}=$fullname;
  341: 	    } else {
  342: 		delete($classlist->{$_});
  343: 	    }
  344: 	} else {
  345: 	    delete($classlist->{$_});
  346: 	}
  347:     }
  348:     my %seen = ();
  349:     my @sections = sort(keys(%sections));
  350:     return ($classlist,\@sections,\%fullnames);
  351: }
  352: 
  353: sub canmodify {
  354:     my ($sec)=@_;
  355:     if ($perm{'mgr'}) {
  356: 	if (!defined($perm{'mgr_section'})) {
  357: 	    # can modify whole class
  358: 	    return 1;
  359: 	} else {
  360: 	    if ($sec eq $perm{'mgr_section'}) {
  361: 		#can modify the requested section
  362: 		return 1;
  363: 	    } else {
  364: 		# can't modify the request section
  365: 		return 0;
  366: 	    }
  367: 	}
  368:     }
  369:     #can't modify
  370:     return 0;
  371: }
  372: 
  373: sub canview {
  374:     my ($sec)=@_;
  375:     if ($perm{'vgr'}) {
  376: 	if (!defined($perm{'vgr_section'})) {
  377: 	    # can modify whole class
  378: 	    return 1;
  379: 	} else {
  380: 	    if ($sec eq $perm{'vgr_section'}) {
  381: 		#can modify the requested section
  382: 		return 1;
  383: 	    } else {
  384: 		# can't modify the request section
  385: 		return 0;
  386: 	    }
  387: 	}
  388:     }
  389:     #can't modify
  390:     return 0;
  391: }
  392: 
  393: #--- Retrieve the grade status of a student for all the parts
  394: sub student_gradeStatus {
  395:     my ($url,$symb,$udom,$uname,$partlist) = @_;
  396:     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
  397:     my %partstatus = ();
  398:     foreach (@$partlist) {
  399: 	my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
  400: 	$status              = 'nothing' if ($status eq '');
  401: 	$partstatus{$_}      = $status;
  402: 	my $subkey           = "resource.$_.submitted_by";
  403: 	$partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
  404:     }
  405:     return %partstatus;
  406: }
  407: 
  408: # hidden form and javascript that calls the form
  409: # Use by verifyscript and viewgrades
  410: # Shows a student's view of problem and submission
  411: sub jscriptNform {
  412:     my ($url,$symb) = @_;
  413:     my $jscript='<script type="text/javascript" language="javascript">'."\n".
  414: 	'    function viewOneStudent(user,domain) {'."\n".
  415: 	'	document.onestudent.student.value = user;'."\n".
  416: 	'	document.onestudent.userdom.value = domain;'."\n".
  417: 	'	document.onestudent.submit();'."\n".
  418: 	'    }'."\n".
  419: 	'</script>'."\n";
  420:     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
  421: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
  422: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
  423: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
  424: 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n".
  425: 	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
  426: 	'<input type="hidden" name="command" value="submission" />'."\n".
  427: 	'<input type="hidden" name="student" value="" />'."\n".
  428: 	'<input type="hidden" name="userdom" value="" />'."\n".
  429: 	'</form>'."\n";
  430:     return $jscript;
  431: }
  432: 
  433: #------------------ End of general use routines --------------------
  434: 
  435: #
  436: # Find most similar essay
  437: #
  438: 
  439: sub most_similar {
  440:     my ($uname,$udom,$uessay)=@_;
  441: 
  442: # ignore spaces and punctuation
  443: 
  444:     $uessay=~s/\W+/ /gs;
  445: 
  446: # these will be returned. Do not care if not at least 50 percent similar
  447:     my $limit=0.6;
  448:     my $sname='';
  449:     my $sdom='';
  450:     my $scrsid='';
  451:     my $sessay='';
  452: # go through all essays ...
  453:     foreach my $tkey (keys %oldessays) {
  454: 	my ($tname,$tdom,$tcrsid)=split(/\./,$tkey);
  455: # ... except the same student
  456:         if (($tname ne $uname) || ($tdom ne $udom)) {
  457: 	    my $tessay=$oldessays{$tkey};
  458:             $tessay=~s/\W+/ /gs;
  459: # String similarity gives up if not even limit
  460:             my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
  461: # Found one
  462:             if ($tsimilar>$limit) {
  463: 		$limit=$tsimilar;
  464:                 $sname=$tname;
  465:                 $sdom=$tdom;
  466:                 $scrsid=$tcrsid;
  467:                 $sessay=$oldessays{$tkey};
  468:             }
  469:         } 
  470:     }
  471:     if ($limit>0.6) {
  472:        return ($sname,$sdom,$scrsid,$sessay,$limit);
  473:     } else {
  474:        return ('','','','',0);
  475:     }
  476: }
  477: 
  478: #-------------------------------------------------------------------
  479: 
  480: #------------------------------------ Receipt Verification Routines
  481: #
  482: #--- Check whether a receipt number is valid.---
  483: sub verifyreceipt {
  484:     my $request  = shift;
  485: 
  486:     my $courseid = $ENV{'request.course.id'};
  487:     my $receipt  = unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
  488: 	$ENV{'form.receipt'};
  489:     $receipt     =~ s/[^\-\d]//g;
  490:     my $url      = $ENV{'form.url'};
  491:     my $symb     = $ENV{'form.symb'};
  492:     unless ($symb) {
  493: 	$symb    = &Apache::lonnet::symbread($url);
  494:     }
  495: 
  496:     my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
  497: 	$receipt.'</h3></font>'."\n".
  498: 	'<font size=+1><b>Resource: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\n";
  499: 
  500:     my ($string,$contents,$matches) = ('','',0);
  501:     my (undef,undef,$fullname) = &getclasslist('all','0');
  502: 
  503:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  504: 	my ($uname,$udom)=split(/\:/);
  505: 	if ($receipt eq 
  506: 	    &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
  507: 	    $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
  508: 		'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
  509: 		'\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
  510: 		'<td>&nbsp;'.$uname.'&nbsp;</td>'.
  511: 		'<td>&nbsp;'.$udom.'&nbsp;</td></tr>'."\n";
  512: 	    
  513: 	    $matches++;
  514: 	}
  515:     }
  516:     if ($matches == 0) {
  517: 	$string = $title.'No match found for the above receipt.';
  518:     } else {
  519: 	$string = &jscriptNform($url,$symb).$title.
  520: 	    'The above receipt matches the following student'.
  521: 	    ($matches <= 1 ? '.' : 's.')."\n".
  522: 	    '<table border="0"><tr><td bgcolor="#777777">'."\n".
  523: 	    '<table border="0"><tr bgcolor="#e6ffff">'."\n".
  524: 	    '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
  525: 	    '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
  526: 	    '<td><b>&nbsp;Domain&nbsp;</b></td></tr>'."\n".
  527: 	    $contents.
  528: 	    '</table></td></tr></table>'."\n";
  529:     }
  530:     return $string.&show_grading_menu_form($symb,$url);
  531: }
  532: 
  533: #--- This is called by a number of programs.
  534: #--- Called from the Grading Menu - View/Grade an individual student
  535: #--- Also called directly when one clicks on the subm button 
  536: #    on the problem page.
  537: sub listStudents {
  538:     my ($request) = shift;
  539: 
  540:     my ($symb,$url) = &get_symb_and_url($request);
  541:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
  542:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
  543:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
  544:     my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
  545: 
  546:     my $viewgrade = $ENV{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
  547:     $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
  548: 	&Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
  549: 
  550:     my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
  551: 	' Submissions for a Student or a Group of Students</font></h3>';
  552: 
  553:     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'});
  554:     $result.=$table;
  555: 
  556:     $request->print(<<LISTJAVASCRIPT);
  557: <script type="text/javascript" language="javascript">
  558:     function checkSelect(checkBox) {
  559: 	var ctr=0;
  560: 	var sense="";
  561: 	if (checkBox.length > 1) {
  562: 	    for (var i=0; i<checkBox.length; i++) {
  563: 		if (checkBox[i].checked) {
  564: 		    ctr++;
  565: 		}
  566: 	    }
  567: 	    sense = "a student or group of students";
  568: 	} else {
  569: 	    if (checkBox.checked) {
  570: 		ctr = 1;
  571: 	    }
  572: 	    sense = "the student";
  573: 	}
  574: 	if (ctr == 0) {
  575: 	    alert("Please select "+sense+" before clicking on the Next button.");
  576: 	    return false;
  577: 	}
  578: 	document.gradesub.submit();
  579:     }
  580: 
  581:     function reLoadList(formname) {
  582: 	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
  583: 	formname.command.value = 'submission';
  584: 	formname.submit();
  585:     }
  586: </script>
  587: LISTJAVASCRIPT
  588: 
  589:     &commonJSfunctions($request);
  590:     $request->print($result);
  591: 
  592:     my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
  593:     my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
  594:     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".
  595: 	'&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
  596: 	'<input type="radio" name="vProb" value="yes" /> one student '."\n".
  597: 	'<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
  598: 	'&nbsp;<b>View Answer: </b><input type="radio" name="vAns" value="no"  /> no '."\n".
  599: 	'<input type="radio" name="vAns" value="yes" /> one student '."\n".
  600: 	'<input type="radio" name="vAns" value="all" checked="on" /> all students <br />'."\n".
  601: 	'&nbsp;<b>Submissions: </b>'."\n";
  602:     if ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
  603: 	$gradeTable.='<input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only'."\n";
  604:     }
  605: 
  606:     my $saveStatus = $ENV{'form.Status'} eq '' ? 'Active' : $ENV{'form.Status'};
  607:     $ENV{'form.Status'} = $saveStatus;
  608: 
  609:     $gradeTable.='<input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only'."\n".
  610: 	'<input type="radio" name="lastSub" value="last" /> last submission & parts info'."\n".
  611: 	'<input type="radio" name="lastSub" value="datesub" /> by dates and submissions'."\n".
  612: 	'<input type="radio" name="lastSub" value="all" /> all details'."\n".
  613: 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
  614: 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
  615: 	'<input type="hidden" name="handgrade"   value="'.$ENV{'form.handgrade'}.'" /><br />'."\n".
  616: 	'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" /><br />'."\n".
  617: 	'<input type="hidden" name="saveState"   value="'.$ENV{'form.saveState'}.'" />'."\n".
  618: 	'<input type="hidden" name="probTitle"   value="'.$ENV{'form.probTitle'}.'" />'."\n".
  619: 	'<input type="hidden" name="url"  value="'.$url.'" />'."\n".
  620: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
  621: 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
  622: 
  623:     if (exists($ENV{'form.gradingMenu'}) && exists($ENV{'form.Status'})) {
  624: 	$gradeTable.='<input type="hidden" name="Status"   value="'.$ENV{'form.Status'}.'" />'."\n";
  625:     } else {
  626: 	$gradeTable.='<b>Student Status:</b> '.
  627: 	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
  628:     }
  629: 
  630:     $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
  631: 	'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
  632: 	'<input type="hidden" name="command" value="processGroup" />'."\n";
  633:     $gradeTable.='<input type="button" '."\n".
  634: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
  635: 	'value="Next->" />'."\n";
  636:     $gradeTable.='<input type="checkbox" name="checkPlag" checked="on">Check For Plagiarism</input>';
  637:     my (undef, undef, $fullname) = &getclasslist($getsec,'1');  
  638:     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
  639: 	'<table border="0"><tr bgcolor="#e6ffff">';
  640:     my $loop = 0;
  641:     while ($loop < 2) {
  642: 	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
  643: 	    '<td>'.&nameUserString('header').'</td>';
  644: 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  645: 	    foreach (sort(@$partlist)) {
  646: 		$gradeTable.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
  647: 	    }
  648: 	}
  649: 	$loop++;
  650: #	$gradeTable.='<td></td>' if ($loop%2 ==1);
  651:     }
  652:     $gradeTable.='</tr>'."\n";
  653: 
  654:     my $ctr = 0;
  655:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  656: 	my ($uname,$udom) = split(/:/,$student);
  657: 	my %status = ();
  658: 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  659: 	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
  660: 	    my $submitted = 0;
  661: 	    my $graded = 1;
  662: 	    foreach (keys(%status)) {
  663: 		$submitted = 1 if ($status{$_} ne 'nothing');
  664: 		$graded = 0 if ($status{$_} =~ /^correct/);
  665: 		my ($foo,$partid,$foo1) = split(/\./,$_);
  666: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
  667: 		    $submitted = 0;
  668: 		    my ($part)=split(/\./,$partid);
  669: 		    $gradeTable.='<input type="hidden" name="'.
  670: 			$student.':'.$part.':submitted_by" value="'.
  671: 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
  672: 		}
  673: 	    }
  674: 	    next if (!$submitted && ($submitonly eq 'yes' || $submitonly eq 'graded'));
  675: 	    next if (!$graded && $submitonly eq 'graded');
  676: 	}
  677: 
  678: 	$ctr++;
  679: 	if ( $perm{'vgr'} eq 'F' ) {
  680: 	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
  681: 	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
  682: 		'<td align="center"><input type=checkbox name="stuinfo" value="'.
  683: 		$student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
  684: 		'<td>'.&nameUserString(undef,$$fullname{$student},$uname,$udom).'</td>'."\n";
  685: 
  686: 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  687: 		foreach (sort keys(%status)) {
  688: 		    next if (/^resource.*?submitted_by$/);
  689: 		    $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
  690: 		}
  691: 	    }
  692: #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
  693: 	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
  694: 	}
  695:     }
  696:     if ($ctr%2 ==1) {
  697: 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
  698: 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  699: 		foreach (@$partlist) {
  700: 		    $gradeTable.='<td>&nbsp;</td>';
  701: 		}
  702: 	    }
  703: 	$gradeTable.='</tr>';
  704:     }
  705: 
  706:     $gradeTable.='</table></td></tr></table>'.
  707: 	'<input type="button" '.
  708: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
  709: 	'value="Next->" /></form>'."\n";
  710:     if ($ctr == 0) {
  711: 	my $num_students=(scalar(keys(%$fullname)));
  712: 	if ($num_students eq 0) {
  713: 	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
  714: 	} else {
  715: 	    $gradeTable='<br />&nbsp;<font color="red">'.
  716: 		'No submissions found for this resource for any students. ('.$num_students.
  717: 		' checked for submissions)</font><br />';
  718: 	}
  719:     } elsif ($ctr == 1) {
  720: 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
  721:     }
  722:     $gradeTable.=&show_grading_menu_form($symb,$url);
  723:     $request->print($gradeTable);
  724:     return '';
  725: }
  726: 
  727: #---- Called from the listStudents routine
  728: #     Displays the submissions for one student or a group of students
  729: sub processGroup {
  730:     my ($request)  = shift;
  731:     my $ctr        = 0;
  732:     my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
  733: 		      : ($ENV{'form.stuinfo'}));
  734:     my $total      = scalar(@stuchecked)-1;
  735: 
  736:     foreach (@stuchecked) {
  737: 	my ($uname,$udom,$fullname) = split(/:/);
  738: 	$ENV{'form.student'}        = $uname;
  739: 	$ENV{'form.userdom'}        = $udom;
  740: 	$ENV{'form.fullname'}       = $fullname;
  741: 	&submission($request,$ctr,$total);
  742: 	$ctr++;
  743:     }
  744:     return '';
  745: }
  746: 
  747: #------------------------------------------------------------------------------------
  748: #
  749: #-------------------------- Next few routines handles grading by student, essentially
  750: #                           handles essay response type problem/part
  751: #
  752: #--- Javascript to handle the submission page functionality ---
  753: sub sub_page_js {
  754:     my $request = shift;
  755:     $request->print(<<SUBJAVASCRIPT);
  756: <script type="text/javascript" language="javascript">
  757:     function updateRadio(formname,id,weight) {
  758: 	var gradeBox = formname["GD_BOX"+id];
  759: 	var radioButton = formname["RADVAL"+id];
  760: 	var oldpts = formname["oldpts"+id].value;
  761: 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
  762: 	gradeBox.value = pts;
  763: 	var resetbox = false;
  764: 	if (isNaN(pts) || pts < 0) {
  765: 	    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
  766: 	    for (var i=0; i<radioButton.length; i++) {
  767: 		if (radioButton[i].checked) {
  768: 		    gradeBox.value = i;
  769: 		    resetbox = true;
  770: 		}
  771: 	    }
  772: 	    if (!resetbox) {
  773: 		formtextbox.value = "";
  774: 	    }
  775: 	    return;
  776: 	}
  777: 
  778: 	if (pts > weight) {
  779: 	    var resp = confirm("You entered a value ("+pts+
  780: 			       ") greater than the weight for the part. Accept?");
  781: 	    if (resp == false) {
  782: 		gradeBox.value = oldpts;
  783: 		return;
  784: 	    }
  785: 	}
  786: 
  787: 	for (var i=0; i<radioButton.length; i++) {
  788: 	    radioButton[i].checked=false;
  789: 	    if (pts == i && pts != "") {
  790: 		radioButton[i].checked=true;
  791: 	    }
  792: 	}
  793: 	updateSelect(formname,id);
  794: 	formname["stores"+id].value = "0";
  795:     }
  796: 
  797:     function writeBox(formname,id,pts) {
  798: 	var gradeBox = formname["GD_BOX"+id];
  799: 	if (checkSolved(formname,id) == 'update') {
  800: 	    gradeBox.value = pts;
  801: 	} else {
  802: 	    var oldpts = formname["oldpts"+id].value;
  803: 	    gradeBox.value = oldpts;
  804: 	    var radioButton = formname["RADVAL"+id];
  805: 	    for (var i=0; i<radioButton.length; i++) {
  806: 		radioButton[i].checked=false;
  807: 		if (i == oldpts) {
  808: 		    radioButton[i].checked=true;
  809: 		}
  810: 	    }
  811: 	}
  812: 	formname["stores"+id].value = "0";
  813: 	updateSelect(formname,id);
  814: 	return;
  815:     }
  816: 
  817:     function clearRadBox(formname,id) {
  818: 	if (checkSolved(formname,id) == 'noupdate') {
  819: 	    updateSelect(formname,id);
  820: 	    return;
  821: 	}
  822: 	gradeSelect = formname["GD_SEL"+id];
  823: 	for (var i=0; i<gradeSelect.length; i++) {
  824: 	    if (gradeSelect[i].selected) {
  825: 		var selectx=i;
  826: 	    }
  827: 	}
  828: 	var stores = formname["stores"+id];
  829: 	if (selectx == stores.value) { return };
  830: 	var gradeBox = formname["GD_BOX"+id];
  831: 	gradeBox.value = "";
  832: 	var radioButton = formname["RADVAL"+id];
  833: 	for (var i=0; i<radioButton.length; i++) {
  834: 	    radioButton[i].checked=false;
  835: 	}
  836: 	stores.value = selectx;
  837:     }
  838: 
  839:     function checkSolved(formname,id) {
  840: 	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
  841: 	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
  842: 	    if (!reply) {return "noupdate";}
  843: 	    formname.overRideScore.value = 'yes';
  844: 	}
  845: 	return "update";
  846:     }
  847: 
  848:     function updateSelect(formname,id) {
  849: 	formname["GD_SEL"+id][0].selected = true;
  850: 	return;
  851:     }
  852: 
  853: //=========== Check that a point is assigned for all the parts  ============
  854:     function checksubmit(formname,val,total,parttot) {
  855: 	formname.gradeOpt.value = val;
  856: 	if (val == "Save & Next") {
  857: 	    for (i=0;i<=total;i++) {
  858: 		for (j=0;j<parttot;j++) {
  859: 		    var partid = formname["partid"+i+"_"+j].value;
  860: 		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
  861: 			var points = formname["GD_BOX"+i+"_"+partid].value;
  862: 			if (points == "") {
  863: 			    var name = formname["name"+i].value;
  864: 			    var studentID = (name != '' ? name : formname["unamedom"+i].value);
  865: 			    var resp = confirm("You did not assign a score for "+studentID+
  866: 					       ", part "+partid+". Continue?");
  867: 			    if (resp == false) {
  868: 				formname["GD_BOX"+i+"_"+partid].focus();
  869: 				return false;
  870: 			    }
  871: 			}
  872: 		    }
  873: 		    
  874: 		}
  875: 	    }
  876: 	    
  877: 	}
  878: 	if (val == "Grade Student") {
  879: 	    formname.showgrading.value = "yes";
  880: 	    if (formname.Status.value == "") {
  881: 		formname.Status.value = "Active";
  882: 	    }
  883: 	    formname.studentNo.value = total;
  884: 	}
  885: 	formname.submit();
  886:     }
  887: 
  888: //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
  889:     function checkSubmitPage(formname,total) {
  890: 	noscore = new Array(100);
  891: 	var ptr = 0;
  892: 	for (i=1;i<total;i++) {
  893: 	    var partid = formname["q_"+i].value;
  894: 	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
  895: 		var points = formname["GD_BOX"+i+"_"+partid].value;
  896: 		var status = formname["solved"+i+"_"+partid].value;
  897: 		if (points == "" && status != "correct_by_student") {
  898: 		    noscore[ptr] = i;
  899: 		    ptr++;
  900: 		}
  901: 	    }
  902: 	}
  903: 	if (ptr != 0) {
  904: 	    var sense = ptr == 1 ? ": " : "s: ";
  905: 	    var prolist = "";
  906: 	    if (ptr == 1) {
  907: 		prolist = noscore[0];
  908: 	    } else {
  909: 		var i = 0;
  910: 		while (i < ptr-1) {
  911: 		    prolist += noscore[i]+", ";
  912: 		    i++;
  913: 		}
  914: 		prolist += "and "+noscore[i];
  915: 	    }
  916: 	    var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
  917: 	    if (resp == false) {
  918: 		return false;
  919: 	    }
  920: 	}
  921: 
  922: 	formname.submit();
  923:     }
  924: </script>
  925: SUBJAVASCRIPT
  926: }
  927: 
  928: #--- javascript for essay type problem --
  929: sub sub_page_kw_js {
  930:     my $request = shift;
  931:     my $iconpath = $request->dir_config('lonIconsURL');
  932:     &commonJSfunctions($request);
  933:     $request->print(<<SUBJAVASCRIPT);
  934: <script type="text/javascript" language="javascript">
  935: 
  936: //===================== Show list of keywords ====================
  937:   function keywords(formname) {
  938:     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
  939:     if (nret==null) return;
  940:     formname.keywords.value = nret;
  941: 
  942:     if (formname.keywords.value != "") {
  943: 	formname.refresh.value = "on";
  944: 	formname.submit();
  945:     }
  946:     return;
  947:   }
  948: 
  949: //===================== Script to view submitted by ==================
  950:   function viewSubmitter(submitter) {
  951:     document.SCORE.refresh.value = "on";
  952:     document.SCORE.NCT.value = "1";
  953:     document.SCORE.unamedom0.value = submitter;
  954:     document.SCORE.submit();
  955:     return;
  956:   }
  957: 
  958: //===================== Script to add keyword(s) ==================
  959:   function getSel() {
  960:     if (document.getSelection) txt = document.getSelection();
  961:     else if (document.selection) txt = document.selection.createRange().text;
  962:     else return;
  963:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
  964:     if (cleantxt=="") {
  965: 	alert("Please select a word or group of words from document and then click this link.");
  966: 	return;
  967:     }
  968:     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
  969:     if (nret==null) return;
  970:     document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
  971:     if (document.SCORE.keywords.value != "") {
  972: 	document.SCORE.refresh.value = "on";
  973: 	document.SCORE.submit();
  974:     }
  975:     return;
  976:   }
  977: 
  978: //====================== Script for composing message ==============
  979:    // preload images
  980:    img1 = new Image();
  981:    img1.src = "$iconpath/mailbkgrd.gif";
  982:    img2 = new Image();
  983:    img2.src = "$iconpath/mailto.gif";
  984: 
  985:   function msgCenter(msgform,usrctr,fullname) {
  986:     var Nmsg  = msgform.savemsgN.value;
  987:     savedMsgHeader(Nmsg,usrctr,fullname);
  988:     var subject = msgform.msgsub.value;
  989:     var msgchk = document.SCORE["includemsg"+usrctr].value;
  990:     re = /msgsub/;
  991:     var shwsel = "";
  992:     if (re.test(msgchk)) { shwsel = "checked" }
  993:     subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
  994:     displaySubject(checkEntities(subject),shwsel);
  995:     for (var i=1; i<=Nmsg; i++) {
  996: 	var testmsg = "savemsg"+i+",";
  997: 	re = new RegExp(testmsg,"g");
  998: 	shwsel = "";
  999: 	if (re.test(msgchk)) { shwsel = "checked" }
 1000: 	var message = document.SCORE["savemsg"+i].value;
 1001: 	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
 1002: 	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
 1003: 	                                   //any &lt; is already converted to <, etc. However, only once!!
 1004:     }
 1005:     newmsg = document.SCORE["newmsg"+usrctr].value;
 1006:     shwsel = "";
 1007:     re = /newmsg/;
 1008:     if (re.test(msgchk)) { shwsel = "checked" }
 1009:     newMsg(newmsg,shwsel);
 1010:     msgTail(); 
 1011:     return;
 1012:   }
 1013: 
 1014:   function checkEntities(strx) {
 1015:     if (strx.length == 0) return strx;
 1016:     var orgStr = ["&", "<", ">", '"']; 
 1017:     var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
 1018:     var counter = 0;
 1019:     while (counter < 4) {
 1020: 	strx = strReplace(strx,orgStr[counter],newStr[counter]);
 1021: 	counter++;
 1022:     }
 1023:     return strx;
 1024:   }
 1025: 
 1026:   function strReplace(strx, orgStr, newStr) {
 1027:     return strx.split(orgStr).join(newStr);
 1028:   }
 1029: 
 1030:   function savedMsgHeader(Nmsg,usrctr,fullname) {
 1031:     var height = 70*Nmsg+250;
 1032:     var scrollbar = "no";
 1033:     if (height > 600) {
 1034: 	height = 600;
 1035: 	scrollbar = "yes";
 1036:     }
 1037:     var xpos = (screen.width-600)/2;
 1038:     xpos = (xpos < 0) ? '0' : xpos;
 1039:     var ypos = (screen.height-height)/2-30;
 1040:     ypos = (ypos < 0) ? '0' : ypos;
 1041: 
 1042:     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
 1043:     pWin.focus();
 1044:     pDoc = pWin.document;
 1045:     pDoc.open('text/html','replace');
 1046:     pDoc.write("<html><head>");
 1047:     pDoc.write("<title>Message Central</title>");
 1048: 
 1049:     pDoc.write("<script language=javascript>");
 1050:     pDoc.write("function checkInput() {");
 1051:     pDoc.write("  opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);");
 1052:     pDoc.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
 1053:     pDoc.write("  var usrctr = document.msgcenter.usrctr.value;");
 1054:     pDoc.write("  var newval = opener.document.SCORE[\\"newmsg\\"+usrctr];");
 1055:     pDoc.write("  newval.value = opener.checkEntities(document.msgcenter.newmsg.value);");
 1056: 
 1057:     pDoc.write("  var msgchk = \\"\\";");
 1058:     pDoc.write("  if (document.msgcenter.subchk.checked) {");
 1059:     pDoc.write("     msgchk = \\"msgsub,\\";");
 1060:     pDoc.write("  }");
 1061:     pDoc.write("  var includemsg = 0;");
 1062:     pDoc.write("  for (var i=1; i<=nmsg; i++) {");
 1063:     pDoc.write("      var opnmsg = opener.document.SCORE[\\"savemsg\\"+i];");
 1064:     pDoc.write("      var frmmsg = document.msgcenter[\\"msg\\"+i];");
 1065:     pDoc.write("      opnmsg.value = opener.checkEntities(frmmsg.value);");
 1066:     pDoc.write("      var showflg = opener.document.SCORE[\\"shownOnce\\"+i];");
 1067:     pDoc.write("      showflg.value = \\"1\\";");
 1068:     pDoc.write("      var chkbox = document.msgcenter[\\"msgn\\"+i];");
 1069:     pDoc.write("      if (chkbox.checked) {");
 1070:     pDoc.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
 1071:     pDoc.write("         includemsg = 1;");
 1072:     pDoc.write("      }");
 1073:     pDoc.write("  }");
 1074:     pDoc.write("  if (document.msgcenter.newmsgchk.checked) {");
 1075:     pDoc.write("     msgchk += \\"newmsg\\"+usrctr;");
 1076:     pDoc.write("     includemsg = 1;");
 1077:     pDoc.write("  }");
 1078:     pDoc.write("  imgformname = opener.document.SCORE[\\"mailicon\\"+usrctr];");
 1079:     pDoc.write("  imgformname.src = \\"$iconpath/\\"+((includemsg) ? \\"mailto.gif\\" : \\"mailbkgrd.gif\\");");
 1080:     pDoc.write("  var includemsg = opener.document.SCORE[\\"includemsg\\"+usrctr];");
 1081:     pDoc.write("  includemsg.value = msgchk;");
 1082: 
 1083:     pDoc.write("  self.close()");
 1084: 
 1085:     pDoc.write("}");
 1086: 
 1087:     pDoc.write("<");
 1088:     pDoc.write("/script>");
 1089: 
 1090:     pDoc.write("</head><body bgcolor=white>");
 1091: 
 1092:     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
 1093:     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
 1094:     pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
 1095: 
 1096:     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
 1097:     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
 1098:     pDoc.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
 1099: }
 1100:     function displaySubject(msg,shwsel) {
 1101:     pDoc = pWin.document;
 1102:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
 1103:     pDoc.write("<td>Subject</td>");
 1104:     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
 1105:     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
 1106: }
 1107: 
 1108:   function displaySavedMsg(ctr,msg,shwsel) {
 1109:     pDoc = pWin.document;
 1110:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
 1111:     pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
 1112:     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
 1113:     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"</textarea></td></tr>");
 1114: }
 1115: 
 1116:   function newMsg(newmsg,shwsel) {
 1117:     pDoc = pWin.document;
 1118:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
 1119:     pDoc.write("<td align=\\"center\\">New</td>");
 1120:     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
 1121:     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"</textarea></td></tr>");
 1122: }
 1123: 
 1124:   function msgTail() {
 1125:     pDoc = pWin.document;
 1126:     pDoc.write("</table>");
 1127:     pDoc.write("</td></tr></table>&nbsp;");
 1128:     pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
 1129:     pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
 1130:     pDoc.write("</form>");
 1131:     pDoc.write("</body></html>");
 1132:     pDoc.close();
 1133: }
 1134: 
 1135: //====================== Script for keyword highlight options ==============
 1136:   function kwhighlight() {
 1137:     var kwclr    = document.SCORE.kwclr.value;
 1138:     var kwsize   = document.SCORE.kwsize.value;
 1139:     var kwstyle  = document.SCORE.kwstyle.value;
 1140:     var redsel = "";
 1141:     var grnsel = "";
 1142:     var blusel = "";
 1143:     if (kwclr=="red")   {var redsel="checked"};
 1144:     if (kwclr=="green") {var grnsel="checked"};
 1145:     if (kwclr=="blue")  {var blusel="checked"};
 1146:     var sznsel = "";
 1147:     var sz1sel = "";
 1148:     var sz2sel = "";
 1149:     if (kwsize=="0")  {var sznsel="checked"};
 1150:     if (kwsize=="+1") {var sz1sel="checked"};
 1151:     if (kwsize=="+2") {var sz2sel="checked"};
 1152:     var synsel = "";
 1153:     var syisel = "";
 1154:     var sybsel = "";
 1155:     if (kwstyle=="")    {var synsel="checked"};
 1156:     if (kwstyle=="<i>") {var syisel="checked"};
 1157:     if (kwstyle=="<b>") {var sybsel="checked"};
 1158:     highlightCentral();
 1159:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
 1160:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
 1161:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
 1162:     highlightend();
 1163:     return;
 1164:   }
 1165: 
 1166:   function highlightCentral() {
 1167: //    if (window.hwdWin) window.hwdWin.close();
 1168:     var xpos = (screen.width-400)/2;
 1169:     xpos = (xpos < 0) ? '0' : xpos;
 1170:     var ypos = (screen.height-330)/2-30;
 1171:     ypos = (ypos < 0) ? '0' : ypos;
 1172: 
 1173:     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
 1174:     hwdWin.focus();
 1175:     var hDoc = hwdWin.document;
 1176:     hDoc.open('text/html','replace');
 1177:     hDoc.write("<html><head>");
 1178:     hDoc.write("<title>Highlight Central</title>");
 1179: 
 1180:     hDoc.write("<script language=javascript>");
 1181:     hDoc.write("function updateChoice(flag) {");
 1182:     hDoc.write("  opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);");
 1183:     hDoc.write("  opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);");
 1184:     hDoc.write("  opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);");
 1185:     hDoc.write("  opener.document.SCORE.refresh.value = \\"on\\";");
 1186:     hDoc.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");
 1187:     hDoc.write("     opener.document.SCORE.submit();");
 1188:     hDoc.write("  }");
 1189:     hDoc.write("  self.close()");
 1190:     hDoc.write("}");
 1191: 
 1192:     hDoc.write("<");
 1193:     hDoc.write("/script>");
 1194: 
 1195:     hDoc.write("</head><body bgcolor=white>");
 1196: 
 1197:     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
 1198:     hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
 1199: 
 1200:     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
 1201:     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
 1202:     hDoc.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
 1203:   }
 1204: 
 1205:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
 1206:     var hDoc = hwdWin.document;
 1207:     hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
 1208:     hDoc.write("<td align=\\"left\\">");
 1209:     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
 1210:     hDoc.write("<td align=\\"left\\">");
 1211:     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
 1212:     hDoc.write("<td align=\\"left\\">");
 1213:     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
 1214:     hDoc.write("</tr>");
 1215:   }
 1216: 
 1217:   function highlightend() { 
 1218:     var hDoc = hwdWin.document;
 1219:     hDoc.write("</table>");
 1220:     hDoc.write("</td></tr></table>&nbsp;");
 1221:     hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
 1222:     hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
 1223:     hDoc.write("</form>");
 1224:     hDoc.write("</body></html>");
 1225:     hDoc.close();
 1226:   }
 1227: 
 1228: </script>
 1229: SUBJAVASCRIPT
 1230: }
 1231: 
 1232: #--- displays the grading box, used in essay type problem and grading by page/sequence
 1233: sub gradeBox {
 1234:     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
 1235: 
 1236:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
 1237: 	'/check.gif" height="16" border="0" />';
 1238: 
 1239:     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
 1240:     my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 
 1241: 		  '<font color="red">problem weight assigned by computer</font>');
 1242:     $wgt       = ($wgt > 0 ? $wgt : '1');
 1243:     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
 1244: 		  '' : $$record{'resource.'.$partid.'.awarded'}*$wgt);
 1245:     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
 1246: 
 1247:     $result.='<table border="0"><tr><td>'.
 1248: 	'<b>Part </b>'.$partid.' <b>Points: </b></td><td>'."\n";
 1249: 
 1250:     my $ctr = 0;
 1251:     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
 1252:     while ($ctr<=$wgt) {
 1253: 	$result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
 1254: 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
 1255: 	    $ctr.')" value="'.$ctr.'" '.
 1256: 	    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
 1257: 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
 1258: 	$ctr++;
 1259:     }
 1260:     $result.='</tr></table>';
 1261: 
 1262:     $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
 1263:     $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
 1264: 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
 1265: 	'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
 1266: 	$wgt.')" /></td>'."\n";
 1267:     $result.='<td>/'.$wgt.' '.$wgtmsg.
 1268: 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
 1269: 	' </td><td>'."\n";
 1270: 
 1271:     $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
 1272: 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
 1273:     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
 1274: 	$result.='<option> </option>'.
 1275: 	    '<option selected="on">excused</option>';
 1276:     } else {
 1277: 	$result.='<option selected="on"> </option>'.
 1278: 	    '<option>excused</option>';
 1279:     }
 1280:     $result.='<option>reset status</option></select>'."\n";
 1281:     $result.="&nbsp&nbsp\n";
 1282:     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
 1283: 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
 1284: 	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
 1285: 	$$record{'resource.'.$partid.'.solved'}.'" />'."\n";
 1286:     $result.='</td></tr></table>'."\n";
 1287:     return $result;
 1288: }
 1289: 
 1290: sub show_problem {
 1291:     my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode) = @_;
 1292:     my $rendered;
 1293:     if ($mode eq 'both' or $mode eq 'text') {
 1294: 	$rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
 1295: 					     $ENV{'request.course.id'});
 1296:     }
 1297:     if ($removeform) {
 1298: 	$rendered=~s|<form(.*?)>||g;
 1299: 	$rendered=~s|</form>||g;
 1300: 	$rendered=~s|name="submit"|name="would_have_been_submit"|g;
 1301:     }
 1302:     my $companswer;
 1303:     if ($mode eq 'both' or $mode eq 'answer') {
 1304: 	$companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
 1305: 						    $ENV{'request.course.id'});
 1306:     }
 1307:     if ($removeform) {
 1308: 	$companswer=~s|<form(.*?)>||g;
 1309: 	$companswer=~s|</form>||g;
 1310: 	$companswer=~s|name="submit"|name="would_have_been_submit"|g;
 1311:     }
 1312:     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
 1313:     $result.='<table border="0" width="100%">';
 1314:     if ($viewon) {
 1315: 	$result.='<tr><td bgcolor="#e6ffff"><b> ';
 1316: 	if ($mode eq 'both' or $mode eq 'text') {
 1317: 	    $result.='View of the problem - ';
 1318: 	} else {
 1319: 	    $result.='Correct answer: ';
 1320: 	}
 1321: 	$result.=$ENV{'form.fullname'}.'</b></td></tr>';
 1322:     }
 1323:     if ($mode eq 'both') {
 1324: 	$result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
 1325: 	$result.='<b>Correct answer:</b><br />'.$companswer;
 1326:     } elsif ($mode eq 'text') {
 1327: 	$result.='<tr><td bgcolor="#ffffff">'.$rendered;
 1328:     } elsif ($mode eq 'answer') {
 1329: 	$result.='<tr><td bgcolor="#ffffff">'.$companswer;
 1330:     }
 1331:     $result.='</td></tr></table>';
 1332:     $result.='</td></tr></table><br />';
 1333:     return $result;
 1334: }
 1335: 
 1336: # --------------------------- show submissions of a student, option to grade 
 1337: sub submission {
 1338:     my ($request,$counter,$total) = @_;
 1339: 
 1340:     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
 1341:     my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
 1342:     $udom = ($udom eq '' ? $ENV{'user.domain'} : $udom); #has form.userdom changed for a student?
 1343:     my $usec = &Apache::lonnet::getsection($udom,$uname,$ENV{'request.course.id'});
 1344:     $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} eq '';
 1345: 
 1346:     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
 1347:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
 1348: 
 1349:     if (!&canview($usec)) {
 1350: 	$request->print('<font color="red">Unable to view requested student.('.
 1351: 			$uname.$udom.$usec.$ENV{'request.course.id'}.')</font>');
 1352: 	$request->print(&show_grading_menu_form($symb,$url));
 1353: 	return;
 1354:     }
 1355: 
 1356:     $ENV{'form.lastSub'} = ($ENV{'form.lastSub'} eq '' ? 'datesub' : $ENV{'form.lastSub'});
 1357:     my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
 1358:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
 1359: 	'/check.gif" height="16" border="0" />';
 1360: 
 1361:     # header info
 1362:     if ($counter == 0) {
 1363: 	&sub_page_js($request);
 1364: 	&sub_page_kw_js($request) if ($ENV{'form.handgrade'} eq 'yes');
 1365: 	$ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
 1366: 	    &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
 1367: 
 1368: 	$request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
 1369: 			'<font size=+1>&nbsp;<b>Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
 1370: 
 1371: 	if ($ENV{'form.handgrade'} eq 'no') {
 1372: 	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
 1373: 		$checkIcon.' symbol.'."\n";
 1374: 	    $request->print($checkMark);
 1375: 	}
 1376: 
 1377: 	# option to display problem, only once else it cause problems 
 1378:         # with the form later since the problem has a form.
 1379: 	if ($ENV{'form.vProb'} eq 'yes' or $ENV{'form.vAns'} eq 'yes') {
 1380: 	    my $mode;
 1381: 	    if ($ENV{'form.vProb'} eq 'yes' && $ENV{'form.vAns'} eq 'yes') {
 1382: 		$mode='both';
 1383: 	    } elsif ($ENV{'form.vProb'} eq 'yes') {
 1384: 		$mode='text';
 1385: 	    } elsif ($ENV{'form.vAns'} eq 'yes') {
 1386: 		$mode='answer';
 1387: 	    }
 1388: 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
 1389: 	}
 1390: 	
 1391: 	# kwclr is the only variable that is guaranteed to be non blank 
 1392:         # if this subroutine has been called once.
 1393: 	my %keyhash = ();
 1394: 	if ($ENV{'form.kwclr'} eq '' && $ENV{'form.handgrade'} eq 'yes') {
 1395: 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
 1396: 					     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
 1397: 					     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
 1398: 
 1399: 	    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
 1400: 	    $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
 1401: 	    $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
 1402: 	    $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
 1403: 	    $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
 1404: 	    $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
 1405: 		$keyhash{$symb.'_subject'} : $ENV{'form.probTitle'};
 1406: 	    $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
 1407: 	}
 1408: 	my $overRideScore = $ENV{'form.overRideScore'} eq '' ? 'no' : $ENV{'form.overRideScore'};
 1409: 
 1410: 	$request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
 1411: 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
 1412: 			'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
 1413: 			'<input type="hidden" name="Status"     value="'.$ENV{'form.Status'}.'" />'."\n".
 1414: 			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
 1415: 			'<input type="hidden" name="probTitle"  value="'.$ENV{'form.probTitle'}.'" />'."\n".
 1416: 			'<input type="hidden" name="refresh"    value="off" />'."\n".
 1417: 			'<input type="hidden" name="studentNo"  value="" />'."\n".
 1418: 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
 1419: 			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
 1420: 			'<input type="hidden" name="url"        value="'.$url.'" />'."\n".
 1421: 			'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\n".
 1422: 			'<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
 1423: 			'<input type="hidden" name="vAns"       value="'.$ENV{'form.vAns'}.'" />'."\n".
 1424: 			'<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
 1425: 			'<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
 1426: 			'<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
 1427: 			'<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
 1428: 			'<input type="hidden" name="NCT"'.
 1429: 			' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
 1430: 	if ($ENV{'form.handgrade'} eq 'yes') {
 1431: 	    $request->print('<input type="hidden" name="keywords" value="'.$ENV{'form.keywords'}.'" />'."\n".
 1432: 			    '<input type="hidden" name="kwclr"    value="'.$ENV{'form.kwclr'}.'" />'."\n".
 1433: 			    '<input type="hidden" name="kwsize"   value="'.$ENV{'form.kwsize'}.'" />'."\n".
 1434: 			    '<input type="hidden" name="kwstyle"  value="'.$ENV{'form.kwstyle'}.'" />'."\n".
 1435: 			    '<input type="hidden" name="msgsub"   value="'.$ENV{'form.msgsub'}.'" />'."\n".
 1436: 			    '<input type="hidden" name="shownSub" value="0" />'."\n".
 1437: 			    '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");
 1438: 	}
 1439: 	
 1440: 	my ($cts,$prnmsg) = (1,'');
 1441: 	while ($cts <= $ENV{'form.savemsgN'}) {
 1442: 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
 1443: 		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
 1444: 		 &Apache::lonfeedback::clear_out_html($ENV{'form.savemsg'.$cts}) :
 1445: 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
 1446: 		'" />'."\n".
 1447: 		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
 1448: 	    $cts++;
 1449: 	}
 1450: 	$request->print($prnmsg);
 1451: 
 1452: 	if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {
 1453: #
 1454: # Print out the keyword options line
 1455: #
 1456: 	    $request->print(<<KEYWORDS);
 1457: &nbsp;<b>Keyword Options:</b>&nbsp;
 1458: <a href="javascript:keywords(document.SCORE)"; TARGET=_self>List</a>&nbsp; &nbsp;
 1459: <a href="#" onMouseDown="javascript:getSel(); return false"
 1460:  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
 1461: <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
 1462: KEYWORDS
 1463: #
 1464: # Load the other essays for similarity check
 1465: #
 1466:             my $essayurl=&Apache::lonnet::declutter($url);
 1467: 	    my ($adom,$aname,$apath)=($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
 1468: 	    $apath=&Apache::lonnet::escape($apath);
 1469: 	    $apath=~s/\W/\_/gs;
 1470: 	    %oldessays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
 1471:         }
 1472:     }
 1473: 
 1474:     if ($ENV{'form.vProb'} eq 'all' or $ENV{'form.vAns'} eq 'all') {
 1475: 	$request->print('<br /><br /><br />') if ($counter > 0);
 1476: 	my $mode;
 1477: 	if ($ENV{'form.vProb'} eq 'all' && $ENV{'form.vAns'} eq 'all') {
 1478: 	    $mode='both';
 1479: 	} elsif ($ENV{'form.vProb'} eq 'all' ) {
 1480: 	    $mode='text';
 1481: 	} elsif ($ENV{'form.vAns'} eq 'all') {
 1482: 	    $mode='answer';
 1483: 	}
 1484: 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
 1485:     }
 1486: 
 1487:     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
 1488: 
 1489:     my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
 1490: 
 1491:     # Display student info
 1492:     $request->print(($counter == 0 ? '' : '<br />'));
 1493:     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'."\n".
 1494: 	'<table border="0" width=100%><tr bgcolor="#edffff"><td>'."\n";
 1495: 
 1496:     $result.='<b>Fullname: </b>'.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).'<br />'."\n";
 1497:     $result.='<input type="hidden" name="name'.$counter.
 1498: 	'" value="'.$ENV{'form.fullname'}.'" />'."\n";
 1499: 
 1500:     # If any part of the problem is an essay-response (handgraded), then check for collaborators
 1501:     my @col_fullnames;
 1502:     my ($classlist,$fullname);
 1503:     if ($ENV{'form.handgrade'} eq 'yes') {
 1504: 	($classlist,undef,$fullname) = &getclasslist('all','0');
 1505: 	for (keys (%$handgrade)) {
 1506: 	    my $ncol = &Apache::lonnet::EXT('resource.'.$_.
 1507: 					    '.maxcollaborators',
 1508:                                             $symb,$udom,$uname);
 1509: 	    next if ($ncol <= 0);
 1510:             s/\_/\./g;
 1511:             next if ($record{'resource.'.$_.'.collaborators'} eq '');
 1512:             my @goodcollaborators = ();
 1513:             my @badcollaborators  = ();
 1514: 	    foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) { 
 1515: 		$_ =~ s/[\$\^\(\)]//g;
 1516: 		next if ($_ eq '');
 1517: 		my ($co_name,$co_dom) = split /\@|:/,$_;
 1518: 		$co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
 1519: 		next if ($co_name eq $uname && $co_dom eq $udom);
 1520: 		# Doing this grep allows 'fuzzy' specification
 1521: 		my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
 1522: 		if (! scalar(@Matches)) {
 1523: 		    push @badcollaborators,$_;
 1524: 		} else {
 1525: 		    push @goodcollaborators, @Matches;
 1526: 		}
 1527: 	    }
 1528:             if (scalar(@goodcollaborators) != 0) {
 1529:                 $result.='<b>Collaborators: </b>';
 1530:                 foreach (@goodcollaborators) {
 1531: 		    my ($lastname,$givenn) = split(/,/,$$fullname{$_});
 1532: 		    push @col_fullnames, $givenn.' '.$lastname;
 1533: 		    $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
 1534: 		}
 1535:                 $result.='<br />'."\n";
 1536: 		my ($part)=split(/\./,$_);
 1537: 		$result.='<input type="hidden" name="collaborator'.$counter.
 1538: 		    '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
 1539: 		    "\n";
 1540: 	    }
 1541: 	    if (scalar(@badcollaborators) > 0) {
 1542: 		$result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
 1543: 		$result.='This student has submitted ';
 1544: 		$result.=(scalar(@badcollaborators) == 1) ? 'an invalid collaborator' : 'invalid collaborators';
 1545: 		$result .= ': '.join(', ',@badcollaborators);
 1546: 		$result .= '</td></tr></table>';
 1547: 	    }         
 1548: 	    if (scalar(@badcollaborators > $ncol)) {
 1549: 		$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>';
 1550: 		$result .= 'This student has submitted too many '.
 1551: 		    'collaborators.  Maximum is '.$ncol.'.';
 1552: 		$result .= '</td></tr></table>';
 1553: 	    }
 1554: 	}
 1555:     }
 1556:     $request->print($result."\n");
 1557: 
 1558:     # print student answer/submission
 1559:     # Options are (1) Handgaded submission only
 1560:     #             (2) Last submission, includes submission that is not handgraded 
 1561:     #                  (for multi-response type part)
 1562:     #             (3) Last submission plus the parts info
 1563:     #             (4) The whole record for this student
 1564:     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
 1565: 	my ($string,$timestamp)= &get_last_submission(\%record);
 1566: 	my $lastsubonly=''.
 1567: 	    ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
 1568: 	     $$timestamp)."</td></tr>\n";
 1569: 	if ($$timestamp eq '') {
 1570: 	    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
 1571: 	} else {
 1572: 	    my %seenparts;
 1573: 	    for my $part (sort keys(%$handgrade)) {
 1574: 		my ($partid,$respid) = split(/_/,$part);
 1575: 		if ($ENV{"form.$uname:$udom:$partid:submitted_by"}) {
 1576: 		    if (exists($seenparts{$partid})) { next; }
 1577: 		    $seenparts{$partid}=1;
 1578: 		    my $submitby='<b>Part '.$partid.
 1579: 			' Collaborative submission by: </b>'.
 1580: 			'<a href="javascript:viewSubmitter(\''.
 1581: 			$ENV{"form.$uname:$udom:$partid:submitted_by"}.
 1582: 			'\')"; TARGET=_self>'.
 1583: 			$$fullname{$ENV{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
 1584: 		    $request->print($submitby);
 1585: 		    next;
 1586: 		}
 1587: 		my $responsetype = $responseType->{$partid}->{$respid};
 1588: 		if (!exists($record{"resource.$partid.$respid.submission"})) {
 1589: 		    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
 1590: 			$partid.'</b> <font color="#999999">( ID '.$respid.
 1591: 			' )</font>&nbsp; &nbsp;'.
 1592: 			'<font color="red">Nothing submitted - no attempts</font><br /><br />';
 1593: 		    next;
 1594: 		}
 1595: 		foreach (@$string) {
 1596: 		    my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
 1597: 		    if ($part ne ($partid.'_'.$respid)) { next; }
 1598: 		    my ($ressub,$subval) = split(/:/,$_,2);
 1599: 		    # Similarity check
 1600: 		    my $similar='';
 1601: 		    if($ENV{'form.checkPlag'}){
 1602: 			my ($oname,$odom,$ocrsid,$oessay,$osim)=
 1603: 			    &most_similar($uname,$udom,$subval);
 1604: 			if ($osim) {
 1605: 			    $osim=int($osim*100.0);
 1606: 			    $similar="<hr /><h3><font color=\"#FF0000\">Essay".
 1607: 				" is $osim% similar to an essay by ".
 1608: 				&Apache::loncommon::plainname($oname,$odom).
 1609: 				'</font></h3><blockquote><i>'.
 1610: 				&keywords_highlight($oessay).
 1611: 				'</i></blockquote><hr />';
 1612: 			}
 1613: 		    }
 1614: 		    my $order=&get_order($partid,$respid,$symb,$uname,$udom);
 1615: 		    if ($ENV{'form.lastSub'} eq 'lastonly' || 
 1616: 			($ENV{'form.lastSub'} eq 'hdgrade' && 
 1617: 			 $$handgrade{$part} eq 'yes')) {
 1618: 			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
 1619: 			    $partid.'</b> <font color="#999999">( ID '.$respid.
 1620: 			    ' )</font>&nbsp; &nbsp;';
 1621: 			if ($record{"resource.$partid.$respid.uploadedurl"}) {
 1622: 			    $lastsubonly.='<a href="'.&Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).'"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> <font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
 1623: 			}
 1624: 			$lastsubonly.='<b>Submitted Answer: </b>'.
 1625: 			    &cleanRecord($subval,$responsetype,$symb,$partid,
 1626: 					 $respid,\%record,$order);
 1627: 			if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
 1628: 		    }
 1629: 		}
 1630: 	    }
 1631: 	}
 1632: 	$lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
 1633: 	$request->print($lastsubonly);
 1634:     } elsif ($ENV{'form.lastSub'} eq 'datesub') {
 1635: 	my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
 1636: 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
 1637:     } elsif ($ENV{'form.lastSub'} =~ /^(last|all)$/) {
 1638: 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
 1639: 								 $ENV{'request.course.id'},
 1640: 								 $last,'.submission',
 1641: 								 'Apache::grades::keywords_highlight'));
 1642:     }
 1643: 
 1644:     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
 1645: 	.$udom.'" />'."\n");
 1646:     
 1647:     # return if view submission with no grading option
 1648:     if ($ENV{'form.showgrading'} eq '' || (!&canmodify($usec))) {
 1649: 	my $toGrade.='<input type="button" value="Grade Student" '.
 1650: 	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
 1651: 	    .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
 1652: 	$toGrade.='</td></tr></table></td></tr></table></form>'."\n";
 1653: 	$toGrade.=&show_grading_menu_form($symb,$url) 
 1654: 	    if (($ENV{'form.command'} eq 'submission') || 
 1655: 		($ENV{'form.command'} eq 'processGroup' && $counter == $total));
 1656: 	$request = print($toGrade);
 1657: 	return;
 1658:     }
 1659: 
 1660:     # essay grading message center
 1661:     if ($ENV{'form.handgrade'} eq 'yes') {
 1662: 	my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
 1663: 	my $msgfor = $givenn.' '.$lastname;
 1664: 	if (scalar(@col_fullnames) > 0) {
 1665: 	    my $lastone = pop @col_fullnames;
 1666: 	    $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
 1667: 	}
 1668: 	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
 1669: 	$result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
 1670: 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
 1671: 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
 1672: 	    ',\''.$msgfor.'\')"; TARGET=_self>'.
 1673: 	    'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
 1674: 	    '<img src="'.$request->dir_config('lonIconsURL').
 1675: 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
 1676: 	    '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
 1677: 	    if ($ENV{'form.handgrade'} eq 'yes');
 1678: 	$request->print($result);
 1679:     }
 1680: 
 1681:     my %seen = ();
 1682:     my @partlist;
 1683:     my @gradePartRespid;
 1684:     for (sort keys(%$handgrade)) {
 1685: 	my ($partid,$respid) = split(/_/);
 1686: 	next if ($seen{$partid} > 0);
 1687: 	$seen{$partid}++;
 1688: 	next if ($$handgrade{$_} =~ /:no$/ && $ENV{'form.lastSub'} =~ /^(hdgrade)$/);
 1689: 	push @partlist,$partid;
 1690: 	push @gradePartRespid,$partid.'.'.$respid;
 1691: 
 1692: 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
 1693:     }
 1694:     $result='<input type="hidden" name="partlist'.$counter.
 1695: 	'" value="'.(join ":",@partlist).'" />'."\n";
 1696:     $result.='<input type="hidden" name="gradePartRespid'.
 1697: 	'" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
 1698:     my $ctr = 0;
 1699:     while ($ctr < scalar(@partlist)) {
 1700: 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
 1701: 	    $partlist[$ctr].'" />'."\n";
 1702: 	$ctr++;
 1703:     }
 1704:     $request->print($result.'</td></tr></table></td></tr></table>'."\n");
 1705: 
 1706:     # print end of form
 1707:     if ($counter == $total) {
 1708: 	my $endform='<table border="0"><tr><td>'."\n";
 1709: 	$endform.='<input type="button" value="Save & Next" '.
 1710: 	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
 1711: 	    $total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
 1712: 	my $ntstu ='<select name="NTSTU">'.
 1713: 	    '<option>1</option><option>2</option>'.
 1714: 	    '<option>3</option><option>5</option>'.
 1715: 	    '<option>7</option><option>10</option></select>'."\n";
 1716: 	my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
 1717: 	$ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
 1718: 	$endform.=$ntstu.'student(s) &nbsp;&nbsp;';
 1719: 	$endform.='<input type="button" value="Previous" '.
 1720: 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;'."\n".
 1721: 	    '<input type="button" value="Next" '.
 1722: 	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
 1723: 	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
 1724: 	$endform.='</td><tr></table></form>';
 1725: 	$endform.=&show_grading_menu_form($symb,$url);
 1726: 	$request->print($endform);
 1727:     }
 1728:     return '';
 1729: }
 1730: 
 1731: #--- Retrieve the last submission for all the parts
 1732: sub get_last_submission {
 1733:     my ($returnhash)=@_;
 1734:     my (@string,$timestamp);
 1735:     if ($$returnhash{'version'}) {
 1736: 	my %lasthash=();
 1737: 	my ($version);
 1738: 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
 1739: 	    foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
 1740: 		$lasthash{$_}=$$returnhash{$version.':'.$_};
 1741: 		   $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
 1742: 	    }
 1743: 	}
 1744: 	foreach ((keys %lasthash)) {
 1745: 	    if ($_ =~ /\.submission$/) {
 1746: 		my ($partid,$foo) = split(/submission$/,$_);
 1747: 		my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
 1748: 		    '<font color="red">Draft Copy</font> ' : '';
 1749: 		push @string, (join(':',$_,$draft.$lasthash{$_}));
 1750: 	    }
 1751: 	}
 1752:     }
 1753:     @string = $string[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
 1754:     return \@string,\$timestamp;
 1755: }
 1756: 
 1757: #--- High light keywords, with style choosen by user.
 1758: sub keywords_highlight {
 1759:     my $string    = shift;
 1760:     my $size      = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
 1761:     my $styleon   = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
 1762:     (my $styleoff = $styleon) =~ s/\</\<\//;
 1763:     my @keylist   = split(/[,\s+]/,$ENV{'form.keywords'});
 1764:     foreach (@keylist) {
 1765: 	$string =~ s/\b\Q$_\E(\b|\.)/<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
 1766:     }
 1767:     return $string;
 1768: }
 1769: 
 1770: #--- Called from submission routine
 1771: sub processHandGrade {
 1772:     my ($request) = shift;
 1773:     my $url    = $ENV{'form.url'};
 1774:     my $symb   = $ENV{'form.symb'};
 1775:     my $button = $ENV{'form.gradeOpt'};
 1776:     my $ngrade = $ENV{'form.NCT'};
 1777:     my $ntstu  = $ENV{'form.NTSTU'};
 1778:     if ($button eq 'Save & Next') {
 1779: 	my $ctr = 0;
 1780: 	while ($ctr < $ngrade) {
 1781: 	    my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
 1782: 	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
 1783: 	    if ($errorflag eq 'no_score') {
 1784: 		$ctr++;
 1785: 		next;
 1786: 	    }
 1787: 	    if ($errorflag eq 'not_allowed') {
 1788: 		$request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
 1789: 		$ctr++;
 1790: 		next;
 1791: 	    }
 1792: 	    my $includemsg = $ENV{'form.includemsg'.$ctr};
 1793: 	    my ($subject,$message,$msgstatus) = ('','','');
 1794: 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
 1795: 		$subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
 1796: 		my (@msgnum) = split(/,/,$includemsg);
 1797: 		foreach (@msgnum) {
 1798: 		    $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
 1799: 		}
 1800: 		$message =&Apache::lonfeedback::clear_out_html($message);
 1801: 		$message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
 1802: 		$message.=" for <a href=\"".
 1803: 		    &Apache::lonnet::clutter($url).
 1804: 		    "?symb=$symb\">$ENV{'form.probTitle'}</a>";
 1805: 		$msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
 1806: 							       $ENV{'form.msgsub'},$message);
 1807: 	    }
 1808: 	    if ($ENV{'form.collaborator'.$ctr}) {
 1809: 		my @collabstrs;
 1810: 		if (ref($ENV{'form.collaborator'.$ctr}) eq 'ARRAY') {
 1811: 		    @collabstrs=@{$ENV{'form.collaborator'.$ctr}};
 1812: 		} else {
 1813: 		    @collabstrs=$ENV{'form.collaborator'.$ctr};
 1814: 		}
 1815: 		foreach my $collabstr (@collabstrs) {
 1816: 		    my ($part,@collaborators) = split(/:/,$collabstr);
 1817: 		    foreach (@collaborators) {
 1818: 			my ($errorflag,$pts,$wgt) = 
 1819: 			    &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
 1820: 					   $ENV{'form.unamedom'.$ctr},$part);
 1821: 			if ($errorflag eq 'not_allowed') {
 1822: 			    $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
 1823: 			    next;
 1824: 			} else {
 1825: 			    if ($message ne '') {
 1826: 				$msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$ENV{'form.msgsub'},$message);
 1827: 			    }
 1828: 			    
 1829: 			}
 1830: 		    }
 1831: 		}
 1832: 	    }
 1833: 	    $ctr++;
 1834: 	}
 1835:     }
 1836: 
 1837:     if ($ENV{'form.handgrade'} eq 'yes') {
 1838: 	# Keywords sorted in alphabatical order
 1839: 	my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
 1840: 	my %keyhash = ();
 1841: 	$ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
 1842: 	$ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
 1843: 	my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
 1844: 	$ENV{'form.keywords'} = join(' ',@keywords);
 1845: 	$keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
 1846: 	$keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
 1847: 	$keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
 1848: 	$keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
 1849: 	$keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
 1850: 
 1851: 	# message center - Order of message gets changed. Blank line is eliminated.
 1852: 	# New messages are saved in ENV for the next student.
 1853: 	# All messages are saved in nohist_handgrade.db
 1854: 	my ($ctr,$idx) = (1,1);
 1855: 	while ($ctr <= $ENV{'form.savemsgN'}) {
 1856: 	    if ($ENV{'form.savemsg'.$ctr} ne '') {
 1857: 		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
 1858: 		$idx++;
 1859: 	    }
 1860: 	    $ctr++;
 1861: 	}
 1862: 	$ctr = 0;
 1863: 	while ($ctr < $ngrade) {
 1864: 	    if ($ENV{'form.newmsg'.$ctr} ne '') {
 1865: 		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
 1866: 		$ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
 1867: 		$idx++;
 1868: 	    }
 1869: 	    $ctr++;
 1870: 	}
 1871: 	$ENV{'form.savemsgN'} = --$idx;
 1872: 	$keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
 1873: 	my $putresult = &Apache::lonnet::put
 1874: 	    ('nohist_handgrade',\%keyhash,
 1875: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
 1876: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
 1877:     }
 1878:     # Called by Save & Refresh from Highlight Attribute Window
 1879:     my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
 1880:     if ($ENV{'form.refresh'} eq 'on') {
 1881: 	my ($ctr,$total) = (0,0);
 1882: 	while ($ctr < $ngrade) {
 1883: 	    $total++ if  $ENV{'form.unamedom'.$ctr} ne '';
 1884: 	    $ctr++;
 1885: 	}
 1886: 	$ENV{'form.NTSTU'}=$ngrade;
 1887: 	$ctr = 0;
 1888: 	while ($ctr < $total) {
 1889: 	    my $processUser = $ENV{'form.unamedom'.$ctr};
 1890: 	    ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
 1891: 	    $ENV{'form.fullname'} = $$fullname{$processUser};
 1892: 	    &submission($request,$ctr,$total-1);
 1893: 	    $ctr++;
 1894: 	}
 1895: 	return '';
 1896:     }
 1897: 
 1898: # Go directly to grade student - from submission or link from chart page
 1899:     if ($button eq 'Grade Student') {
 1900: 	(undef,undef,$ENV{'form.handgrade'},undef,undef) = &showResourceInfo($url);
 1901: 	my $processUser = $ENV{'form.unamedom'.$ENV{'form.studentNo'}};
 1902: 	($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
 1903: 	$ENV{'form.fullname'} = $$fullname{$processUser};
 1904: 	&submission($request,0,0);
 1905: 	return '';
 1906:     }
 1907: 
 1908:     # Get the next/previous one or group of students
 1909:     my $firststu = $ENV{'form.unamedom0'};
 1910:     my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
 1911:     my $ctr = 2;
 1912:     while ($laststu eq '') {
 1913: 	$laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
 1914: 	$ctr++;
 1915: 	$laststu = $firststu if ($ctr > $ngrade);
 1916:     }
 1917: 
 1918:     my (@parsedlist,@nextlist);
 1919:     my ($nextflg) = 0;
 1920:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
 1921: 	if ($nextflg == 1 && $button =~ /Next$/) {
 1922: 	    push @parsedlist,$_;
 1923: 	}
 1924: 	$nextflg = 1 if ($_ eq $laststu);
 1925: 	if ($button eq 'Previous') {
 1926: 	    last if ($_ eq $firststu);
 1927: 	    push @parsedlist,$_;
 1928: 	}
 1929:     }
 1930:     $ctr = 0;
 1931:     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
 1932:     my ($partlist) = &response_type($url);
 1933:     foreach my $student (@parsedlist) {
 1934: 	my $submitonly=$ENV{'form.submitonly'};
 1935: 	my ($uname,$udom) = split(/:/,$student);
 1936: 	if ($submitonly =~ /^(yes|graded)$/) {
 1937: #	    my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
 1938: 	    my %status=&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
 1939: 	    my $submitted = 0;
 1940: 	    my $graded = 1;
 1941: 	    foreach (keys(%status)) {
 1942: 		$submitted = 1 if ($status{$_} ne 'nothing');
 1943: 		$graded = 0 if ($status{$_} =~ /^correct/);
 1944: 		my ($foo,$partid,$foo1) = split(/\./,$_);
 1945: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
 1946: 		    $submitted = 0;
 1947: 		}
 1948: 	    }
 1949: 	    next if (!$submitted && ($submitonly eq 'yes' || $submitonly eq 'graded'));
 1950: 	    next if (!$graded && $submitonly eq 'graded');
 1951: 	}
 1952: 	push @nextlist,$student if ($ctr < $ntstu);
 1953: 	last if ($ctr == $ntstu);
 1954: 	$ctr++;
 1955:     }
 1956: 
 1957:     $ctr = 0;
 1958:     my $total = scalar(@nextlist)-1;
 1959: 
 1960:     foreach (sort @nextlist) {
 1961: 	my ($uname,$udom,$submitter) = split(/:/);
 1962: 	$ENV{'form.student'}  = $uname;
 1963: 	$ENV{'form.userdom'}  = $udom;
 1964: 	$ENV{'form.fullname'} = $$fullname{$_};
 1965: 	&submission($request,$ctr,$total);
 1966: 	$ctr++;
 1967:     }
 1968:     if ($total < 0) {
 1969: 	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
 1970: 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
 1971: 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
 1972: 	$the_end.=&show_grading_menu_form ($symb,$url);
 1973: 	$request->print($the_end);
 1974:     }
 1975:     return '';
 1976: }
 1977: 
 1978: #---- Save the score and award for each student, if changed
 1979: sub saveHandGrade {
 1980:     my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
 1981:     my $usec = &Apache::lonnet::getsection($domain,$stuname,
 1982: 					   $ENV{'request.course.id'});
 1983:     if (!&canmodify($usec)) { return('not_allowed'); }
 1984:     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
 1985:     my %newrecord  = ();
 1986:     my ($pts,$wgt) = ('','');
 1987:     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
 1988: 	#collaborator may vary for different parts
 1989: 	if ($submitter && $_ ne $part) { next; }
 1990: 	my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
 1991: 	if ($dropMenu eq 'excused') {
 1992: 	    if ($record{'resource.'.$_.'.solved'} ne 'excused') {
 1993: 		$newrecord{'resource.'.$_.'.solved'} = 'excused';
 1994: 		if (exists($record{'resource.'.$_.'.awarded'})) {
 1995: 		    $newrecord{'resource.'.$_.'.awarded'} = '';
 1996: 		}
 1997: 	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 1998: 	    }
 1999: 	} elsif ($dropMenu eq 'reset status'
 2000: 		 && exists($record{'resource.'.$_.'.solved'})) { #don't bother if no old records -> no attempts
 2001: 	    $newrecord{'resource.'.$_.'.tries'} = 0;
 2002: 	    $newrecord{'resource.'.$_.'.solved'} = '';
 2003: 	    $newrecord{'resource.'.$_.'.award'} = '';
 2004: 	    $newrecord{'resource.'.$_.'.awarded'} = 0;
 2005: 	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 2006: 	} elsif ($dropMenu eq '') {
 2007: 	    $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
 2008: 		    $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
 2009: 		    $ENV{'form.RADVAL'.$newflg.'_'.$_});
 2010: 	    if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '') {
 2011: 		next;
 2012: 	    }
 2013: 	    $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
 2014: 		$ENV{'form.WGT'.$newflg.'_'.$_};
 2015: 	    my $partial= $pts/$wgt;
 2016: 	    if ($partial eq $record{'resource.'.$_.'.awarded'}) {
 2017: 		#do not update score for part if not changed.
 2018: 		next;
 2019: 	    }
 2020: 	    if ($record{'resource.'.$_.'.awarded'} ne $partial) {
 2021: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial;
 2022: 	    }
 2023: 	    my $reckey = 'resource.'.$_.'.solved';
 2024: 	    if ($partial == 0) {
 2025: 		if ($record{$reckey} ne 'incorrect_by_override') {
 2026: 		    $newrecord{$reckey} = 'incorrect_by_override';
 2027: 		}
 2028: 	    } else {
 2029: 		if ($record{$reckey} ne 'correct_by_override') {
 2030: 		    $newrecord{$reckey} = 'correct_by_override';
 2031: 		}
 2032: 	    }	    
 2033: 	    if ($submitter && 
 2034: 		($record{'resource.'.$_.'.submitted_by'} ne $submitter)) {
 2035: 		$newrecord{'resource.'.$_.'.submitted_by'} = $submitter;
 2036: 	    }
 2037: 	    $newrecord{'resource.'.$_.'.regrader'}=
 2038: 		"$ENV{'user.name'}:$ENV{'user.domain'}";
 2039: 	}
 2040:     }
 2041:     if (scalar(keys(%newrecord)) > 0) {
 2042: 	&Apache::lonnet::cstore(\%newrecord,$symb,
 2043: 				$ENV{'request.course.id'},$domain,$stuname);
 2044:     }
 2045:     return '',$pts,$wgt;
 2046: }
 2047: 
 2048: #--------------------------------------------------------------------------------------
 2049: #
 2050: #-------------------------- Next few routines handles grading by section or whole class
 2051: #
 2052: #--- Javascript to handle grading by section or whole class
 2053: sub viewgrades_js {
 2054:     my ($request) = shift;
 2055: 
 2056:     $request->print(<<VIEWJAVASCRIPT);
 2057: <script type="text/javascript" language="javascript">
 2058:    function writePoint(partid,weight,point) {
 2059: 	var radioButton = document.classgrade["RADVAL_"+partid];
 2060: 	var textbox = document.classgrade["TEXTVAL_"+partid];
 2061: 	if (point == "textval") {
 2062: 	    point = document.classgrade["TEXTVAL_"+partid].value;
 2063: 	    if (isNaN(point) || parseFloat(point) < 0) {
 2064: 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
 2065: 		var resetbox = false;
 2066: 		for (var i=0; i<radioButton.length; i++) {
 2067: 		    if (radioButton[i].checked) {
 2068: 			textbox.value = i;
 2069: 			resetbox = true;
 2070: 		    }
 2071: 		}
 2072: 		if (!resetbox) {
 2073: 		    textbox.value = "";
 2074: 		}
 2075: 		return;
 2076: 	    }
 2077: 	    if (parseFloat(point) > parseFloat(weight)) {
 2078: 		var resp = confirm("You entered a value ("+parseFloat(point)+
 2079: 				   ") greater than the weight for the part. Accept?");
 2080: 		if (resp == false) {
 2081: 		    textbox.value = "";
 2082: 		    return;
 2083: 		}
 2084: 	    }
 2085: 	    for (var i=0; i<radioButton.length; i++) {
 2086: 		radioButton[i].checked=false;
 2087: 		if (parseFloat(point) == i) {
 2088: 		    radioButton[i].checked=true;
 2089: 		}
 2090: 	    }
 2091: 
 2092: 	} else {
 2093: 	    textbox.value = parseFloat(point);
 2094: 	}
 2095: 	for (i=0;i<document.classgrade.total.value;i++) {
 2096: 	    var user = document.classgrade["ctr"+i].value;
 2097: 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 2098: 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 2099: 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 2100: 	    if (saveval != "correct") {
 2101: 		scorename.value = point;
 2102: 		if (selname[0].selected != true) {
 2103: 		    selname[0].selected = true;
 2104: 		}
 2105: 	    }
 2106: 	}
 2107: 	document.classgrade["SELVAL_"+partid][0].selected = true;
 2108:     }
 2109: 
 2110:     function writeRadText(partid,weight) {
 2111: 	var selval   = document.classgrade["SELVAL_"+partid];
 2112: 	var radioButton = document.classgrade["RADVAL_"+partid];
 2113: 	var textbox = document.classgrade["TEXTVAL_"+partid];
 2114: 	if (selval[1].selected || selval[2].selected) {
 2115: 	    for (var i=0; i<radioButton.length; i++) {
 2116: 		radioButton[i].checked=false;
 2117: 
 2118: 	    }
 2119: 	    textbox.value = "";
 2120: 
 2121: 	    for (i=0;i<document.classgrade.total.value;i++) {
 2122: 		var user = document.classgrade["ctr"+i].value;
 2123: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 2124: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 2125: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 2126: 		if (saveval != "correct") {
 2127: 		    scorename.value = "";
 2128: 		    if (selval[1].selected) {
 2129: 			selname[1].selected = true;
 2130: 		    } else {
 2131: 			selname[2].selected = true;
 2132: 			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
 2133: 			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
 2134: 		    }
 2135: 		}
 2136: 	    }
 2137: 	} else {
 2138: 	    for (i=0;i<document.classgrade.total.value;i++) {
 2139: 		var user = document.classgrade["ctr"+i].value;
 2140: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 2141: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 2142: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 2143: 		if (saveval != "correct") {
 2144: 		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
 2145: 		    selname[0].selected = true;
 2146: 		}
 2147: 	    }
 2148: 	}	    
 2149:     }
 2150: 
 2151:     function changeSelect(partid,user) {
 2152: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
 2153: 	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
 2154: 	var point  = textbox.value;
 2155: 	var weight = document.classgrade["weight_"+partid].value;
 2156: 
 2157: 	if (isNaN(point) || parseFloat(point) < 0) {
 2158: 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
 2159: 	    textbox.value = "";
 2160: 	    return;
 2161: 	}
 2162: 	if (parseFloat(point) > parseFloat(weight)) {
 2163: 	    var resp = confirm("You entered a value ("+parseFloat(point)+
 2164: 			       ") greater than the weight of the part. Accept?");
 2165: 	    if (resp == false) {
 2166: 		textbox.value = "";
 2167: 		return;
 2168: 	    }
 2169: 	}
 2170: 	selval[0].selected = true;
 2171:     }
 2172: 
 2173:     function changeOneScore(partid,user) {
 2174: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
 2175: 	if (selval[1].selected || selval[2].selected) {
 2176: 	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
 2177: 	    if (selval[2].selected) {
 2178: 		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
 2179: 	    }
 2180: 	}
 2181:     }
 2182: 
 2183:     function resetEntry(numpart) {
 2184: 	for (ctpart=0;ctpart<numpart;ctpart++) {
 2185: 	    var partid = document.classgrade["partid_"+ctpart].value;
 2186: 	    var radioButton = document.classgrade["RADVAL_"+partid];
 2187: 	    var textbox = document.classgrade["TEXTVAL_"+partid];
 2188: 	    var selval  = document.classgrade["SELVAL_"+partid];
 2189: 	    for (var i=0; i<radioButton.length; i++) {
 2190: 		radioButton[i].checked=false;
 2191: 
 2192: 	    }
 2193: 	    textbox.value = "";
 2194: 	    selval[0].selected = true;
 2195: 
 2196: 	    for (i=0;i<document.classgrade.total.value;i++) {
 2197: 		var user = document.classgrade["ctr"+i].value;
 2198: 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
 2199: 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
 2200: 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
 2201: 		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
 2202: 		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
 2203: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
 2204: 		if (saveselval == "excused") {
 2205: 		    if (selname[1].selected == false) { selname[1].selected = true;}
 2206: 		} else {
 2207: 		    if (selname[0].selected == false) {selname[0].selected = true};
 2208: 		}
 2209: 	    }
 2210: 	}
 2211:     }
 2212: 
 2213: </script>
 2214: VIEWJAVASCRIPT
 2215: }
 2216: 
 2217: #--- show scores for a section or whole class w/ option to change/update a score
 2218: sub viewgrades {
 2219:     my ($request) = shift;
 2220:     &viewgrades_js($request);
 2221: 
 2222:     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
 2223:     my $result='<h3><font color="#339933">Manual Grading</font></h3>';
 2224: 
 2225:     $result.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
 2226: 
 2227:     #view individual student submission form - called using Javascript viewOneStudent
 2228:     $result.=&jscriptNform($url,$symb);
 2229: 
 2230:     #beginning of class grading form
 2231:     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
 2232: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 2233: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 2234: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
 2235: 	'<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n".
 2236: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
 2237: 	'<input type="hidden" name="Status" value="'.$ENV{'form.Status'}.'" />'."\n".
 2238: 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
 2239: 
 2240:     my $sectionClass;
 2241:     if ($ENV{'form.section'} eq 'all') {
 2242: 	$sectionClass='Class </h3>';
 2243:     } elsif ($ENV{'form.section'} eq 'no') {
 2244: 	$sectionClass='Students in no Section </h3>';
 2245:     } else {
 2246: 	$sectionClass='Students in Section '.$ENV{'form.section'}.'</h3>';
 2247:     }
 2248:     $result.='<h3>Assign Common Grade To '.$sectionClass;
 2249:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
 2250: 	'<table border=0><tr bgcolor="#ffffdd"><td>';
 2251:     #radio buttons/text box for assigning points for a section or class.
 2252:     #handles different parts of a problem
 2253:     my ($partlist,$handgrade) = &response_type($url,$symb);
 2254:     my %weight = ();
 2255:     my $ctsparts = 0;
 2256:     $result.='<table border="0">';
 2257:     my %seen = ();
 2258:     for (sort keys(%$handgrade)) {
 2259: 	my ($partid,$respid) = split (/_/,$_,2);
 2260: 	next if $seen{$partid};
 2261: 	$seen{$partid}++;
 2262: 	my $handgrade=$$handgrade{$_};
 2263: 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
 2264: 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
 2265: 
 2266: 	$result.='<input type="hidden" name="partid_'.
 2267: 	    $ctsparts.'" value="'.$partid.'" />'."\n";
 2268: 	$result.='<input type="hidden" name="weight_'.
 2269: 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
 2270: 	$result.='<tr><td><b>Part  '.$partid.'&nbsp; &nbsp;Point:</b> </td><td>';
 2271: 	$result.='<table border="0"><tr>';  
 2272: 	my $ctr = 0;
 2273: 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
 2274: 	    $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.
 2275: 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
 2276: 		','.$ctr.')" />'.$ctr."</td>\n";
 2277: 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
 2278: 	    $ctr++;
 2279: 	}
 2280: 	$result.='</tr></table>';
 2281: 	$result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
 2282: 	    $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
 2283: 		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
 2284: 	    $weight{$partid}.' (problem weight)</td>'."\n";
 2285: 	$result.= '</td><td><select name="SELVAL_'.$partid.'"'.
 2286: 	    'onChange="javascript:writeRadText(\''.$partid.'\','.
 2287: 		$weight{$partid}.')"> '.
 2288: 	    '<option selected="on"> </option>'.
 2289: 	    '<option>excused</option>'.
 2290: 	    '<option>reset status</option></select></td></tr>'."\n";
 2291: 	$ctsparts++;
 2292:     }
 2293:     $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
 2294: 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
 2295:     $result.='<input type="button" value="Reset" '.
 2296: 	'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
 2297: 
 2298:     #table listing all the students in a section/class
 2299:     #header of table
 2300:     $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
 2301:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
 2302: 	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
 2303: 	'<td>'.&nameUserString('header')."</td>\n";
 2304:     my (@parts) = sort(&getpartlist($url,$symb));
 2305:     foreach my $part (@parts) {
 2306: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
 2307: 	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
 2308: 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
 2309: 	if ($display =~ /^Partial Credit Factor/) {
 2310: 	    my ($partid) = &split_part_type($part);
 2311: 	    $result.='<td><b>Score Part '.$partid.'<br />(weight = '.
 2312: 		$weight{$partid}.')</b></td>'."\n";
 2313: 	    next;
 2314: 	}
 2315: 	$display =~ s|Problem Status|Grade Status<br />|;
 2316: 	$result.='<td><b>'.$display.'</b></td>'."\n";
 2317:     }
 2318:     $result.='</tr>';
 2319: 
 2320:     #get info for each student
 2321:     #list all the students - with points and grade status
 2322:     my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
 2323:     my $ctr = 0;
 2324:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
 2325: 	my $uname = $_;
 2326: 	$uname=~s/:/_/;
 2327: 	$result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
 2328: 	$ctr++;
 2329: 	$result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
 2330: 				   $_,$$fullname{$_},\@parts,\%weight,$ctr);
 2331:     }
 2332:     $result.='</table></td></tr></table>';
 2333:     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
 2334:     $result.='<input type="button" value="Save" '.
 2335: 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
 2336:     if (scalar(%$fullname) eq 0) {
 2337: 	my $colspan=3+scalar(@parts);
 2338: 	$result='<font color="red">There are no students in section "'.$ENV{'form.section'}.
 2339: 	    '" with enrollment status "'.$ENV{'form.Status'}.'" to modify or grade.</font>';
 2340:     }
 2341:     $result.=&show_grading_menu_form($symb,$url);
 2342:     return $result;
 2343: }
 2344: 
 2345: #--- call by previous routine to display each student
 2346: sub viewstudentgrade {
 2347:     my ($url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr) = @_;
 2348:     my ($uname,$udom) = split(/:/,$student);
 2349:     $student=~s/:/_/;
 2350:     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
 2351:     my $result='<tr bgcolor="#ffffdd"><td align="right">'.$ctr.'&nbsp;</td><td>&nbsp;'.
 2352: 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
 2353: 	'\')"; TARGET=_self>'.$fullname.'</a> '.
 2354: 	'<font color="#999999">('.$uname.($ENV{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
 2355:     foreach my $apart (@$parts) {
 2356: 	my ($part,$type) = &split_part_type($apart);
 2357: 	my $score=$record{"resource.$part.$type"};
 2358: 	if ($type eq 'awarded') {
 2359: 	    my $pts = $score eq '' ? '' : $score*$$weight{$part};
 2360: 	    $result.='<input type="hidden" name="'.
 2361: 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
 2362: 	    $result.='<td align="middle"><input type="text" name="'.
 2363: 		'GD_'.$student.'_'.$part.'_awarded" '.
 2364: 		'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
 2365: 		'\')" value="'.$pts.'" size="4" /></td>'."\n";
 2366: 	} elsif ($type eq 'solved') {
 2367: 	    my ($status,$foo)=split(/_/,$score,2);
 2368: 	    $status = 'nothing' if ($status eq '');
 2369: 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
 2370: 		$part.'_solved_s" value="'.$status.'" />'."\n";
 2371: 	    $result.='<td align="middle">&nbsp;<select name="'.
 2372: 		'GD_'.$student.'_'.$part.'_solved" '.
 2373: 		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
 2374: 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="on">excused</option>' 
 2375: 		: '<option selected="on"> </option><option>excused</option>')."\n";
 2376: 	    $result.='<option>reset status</option>';
 2377: 	    $result.="</select>&nbsp;</td>\n";
 2378: 	} else {
 2379: 	    $result.='<input type="hidden" name="'.
 2380: 		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
 2381: 		    "\n";
 2382: 	    $result.='<td align="middle"><input type="text" name="'.
 2383: 		'GD_'.$student.'_'.$part.'_'.$type.'" '.
 2384: 		'value="'.$score.'" size="4" /></td>'."\n";
 2385: 	}
 2386:     }
 2387:     $result.='</tr>';
 2388:     return $result;
 2389: }
 2390: 
 2391: #--- change scores for all the students in a section/class
 2392: #    record does not get update if unchanged
 2393: sub editgrades {
 2394:     my ($request) = @_;
 2395: 
 2396:     my $symb=$ENV{'form.symb'};
 2397:     my $url =$ENV{'form.url'};
 2398:     my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
 2399:     $title.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
 2400:     $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\n";
 2401: 
 2402:     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
 2403:     $result.= '<table border="0"><tr bgcolor="#deffff">'.
 2404: 	'<td rowspan=2 valign="center">&nbsp;<b>No.</b>&nbsp;</td>'.
 2405: 	'<td rowspan=2 valign="center">'.&nameUserString('header')."</td>\n";
 2406: 
 2407:     my %scoreptr = (
 2408: 		    'correct'  =>'correct_by_override',
 2409: 		    'incorrect'=>'incorrect_by_override',
 2410: 		    'excused'  =>'excused',
 2411: 		    'ungraded' =>'ungraded_attempted',
 2412: 		    'nothing'  => '',
 2413: 		    );
 2414:     my ($classlist,undef,$fullname) = &getclasslist($ENV{'form.section'},'0');
 2415: 
 2416:     my (@partid);
 2417:     my %weight = ();
 2418:     my %columns = ();
 2419:     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
 2420: 
 2421:     my (@parts) = sort(&getpartlist($url,$symb));
 2422:     my $header;
 2423:     while ($ctr < $ENV{'form.totalparts'}) {
 2424: 	my $partid = $ENV{'form.partid_'.$ctr};
 2425: 	push @partid,$partid;
 2426: 	$weight{$partid} = $ENV{'form.weight_'.$partid};
 2427: 	$ctr++;
 2428:     }
 2429:     foreach my $partid (@partid) {
 2430: 	$header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
 2431: 	    '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
 2432: 	$columns{$partid}=2;
 2433: 	foreach my $stores (@parts) {
 2434: 	    my ($part,$type) = &split_part_type($stores);
 2435: 	    if ($part !~ m/^\Q$partid\E/) { next;}
 2436: 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
 2437: 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
 2438: 	    $display =~ s/\[Part: (\w)+\]//;
 2439: 	    $display =~ s/Number of Attempts/Tries/;
 2440: 	    $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
 2441: 		'<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
 2442: 	    $columns{$partid}+=2;
 2443: 	}
 2444:     }
 2445:     foreach my $partid (@partid) {
 2446: 	$result .= '<td colspan="'.$columns{$partid}.
 2447: 	    '" align="center"><b>Part '.$partid.
 2448: 	    '</b> (Weight = '.$weight{$partid}.')</td>';
 2449: 
 2450:     }
 2451:     $result .= '</tr><tr bgcolor="#deffff">';
 2452:     $result .= $header;
 2453:     $result .= '</tr>'."\n";
 2454:     my $noupdate;
 2455:     my ($updateCtr,$noupdateCtr) = (1,1);
 2456:     for ($i=0; $i<$ENV{'form.total'}; $i++) {
 2457: 	my $line;
 2458: 	my $user = $ENV{'form.ctr'.$i};
 2459: 	my $usercolon = $user;
 2460: 	$usercolon =~s/_/:/;
 2461: 	my ($uname,$udom)=split(/_/,$user);
 2462: 	my %newrecord;
 2463: 	my $updateflag = 0;
 2464: 	$line .= '<td>'.&nameUserString(undef,$$fullname{$usercolon},$uname,$udom).'</td>';
 2465: 	my $usec=$classlist->{"$uname:$udom"}[5];
 2466: 	if (!&canmodify($usec)) {
 2467: 	    my $numcols=scalar(@partid)*4+2;
 2468: 	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
 2469: 	    next;
 2470: 	}
 2471: 	foreach (@partid) {
 2472: 	    my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_awarded_s'};
 2473: 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
 2474: 	    my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
 2475: 	    my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
 2476: 
 2477: 	    my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_awarded'};
 2478: 	    my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
 2479: 	    my $partial   = $awarded eq '' ? '' : $pcr;
 2480: 	    my $score;
 2481: 	    if ($partial eq '') {
 2482: 		$score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
 2483: 	    } elsif ($partial > 0) {
 2484: 		$score = 'correct_by_override';
 2485: 	    } elsif ($partial == 0) {
 2486: 		$score = 'incorrect_by_override';
 2487: 	    }
 2488: 	    my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
 2489: 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
 2490: 
 2491: 	    if ($dropMenu eq 'reset status' &&
 2492: 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
 2493: 		$newrecord{'resource.'.$_.'.tries'} = 0;
 2494: 		$newrecord{'resource.'.$_.'.solved'} = '';
 2495: 		$newrecord{'resource.'.$_.'.award'} = '';
 2496: 		$newrecord{'resource.'.$_.'.awarded'} = 0;
 2497: 		$newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 2498: 		$updateflag = 1;
 2499: 	    } elsif (!($old_part eq $partial && $old_score eq $score)) {
 2500: 		$updateflag = 1;
 2501: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
 2502: 		$newrecord{'resource.'.$_.'.solved'}   = $score;
 2503: 		$rec_update++;
 2504: 	    }
 2505: 
 2506: 	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
 2507: 		'<td align="center">'.$awarded.
 2508: 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
 2509: 
 2510: 
 2511: 	    my $partid=$_;
 2512: 	    foreach my $stores (@parts) {
 2513: 		my ($part,$type) = &split_part_type($stores);
 2514: 		if ($part !~ m/^\Q$partid\E/) { next;}
 2515: 		if ($type eq 'awarded' || $type eq 'solved') { next; }
 2516: 		my $old_aw    = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
 2517: 		my $awarded   = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type};
 2518: 		if ($awarded ne '' && $awarded ne $old_aw) {
 2519: 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
 2520: 		    $newrecord{'resource.'.$part.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
 2521: 		    $updateflag=1;
 2522: 		}
 2523: 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
 2524: 		    '<td align="center">'.$awarded.'&nbsp;</td>';
 2525: 	    }
 2526: 	}
 2527: 	$line.='</tr>'."\n";
 2528: 	if ($updateflag) {
 2529: 	    $count++;
 2530: 	    &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
 2531: 				    $udom,$uname);
 2532: 	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
 2533: 	    $updateCtr++;
 2534: 	} else {
 2535: 	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
 2536: 	    $noupdateCtr++;
 2537: 	}
 2538:     }
 2539:     if ($noupdate) {
 2540: #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
 2541: 	my $numcols=scalar(@partid)*4+2;
 2542: 	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr>'.$noupdate;
 2543:     }
 2544:     $result .= '</table></td></tr></table>'."\n".
 2545: 	&show_grading_menu_form ($symb,$url);
 2546:     my $msg = '<br /><b>Number of records updated = '.$rec_update.
 2547: 	' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
 2548: 	'<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
 2549:     return $title.$msg.$result;
 2550: }
 2551: 
 2552: sub split_part_type {
 2553:     my ($partstr) = @_;
 2554:     my ($temp,@allparts)=split(/_/,$partstr);
 2555:     my $type=pop(@allparts);
 2556:     my $part=join('.',@allparts);
 2557:     return ($part,$type);
 2558: }
 2559: 
 2560: #------------- end of section for handling grading by section/class ---------
 2561: #
 2562: #----------------------------------------------------------------------------
 2563: 
 2564: 
 2565: #----------------------------------------------------------------------------
 2566: #
 2567: #-------------------------- Next few routines handles grading by csv upload
 2568: #
 2569: #--- Javascript to handle csv upload
 2570: sub csvupload_javascript_reverse_associate {
 2571:   return(<<ENDPICK);
 2572:   function verify(vf) {
 2573:     var foundsomething=0;
 2574:     var founduname=0;
 2575:     var founddomain=0;
 2576:     for (i=0;i<=vf.nfields.value;i++) {
 2577:       tw=eval('vf.f'+i+'.selectedIndex');
 2578:       if (i==0 && tw!=0) { founduname=1; }
 2579:       if (i==1 && tw!=0) { founddomain=1; }
 2580:       if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
 2581:     }
 2582:     if (founduname==0 || founddomain==0) {
 2583:       alert('You need to specify at both the username and domain');
 2584:       return;
 2585:     }
 2586:     if (foundsomething==0) {
 2587:       alert('You need to specify at least one grading field');
 2588:       return;
 2589:     }
 2590:     vf.submit();
 2591:   }
 2592:   function flip(vf,tf) {
 2593:     var nw=eval('vf.f'+tf+'.selectedIndex');
 2594:     var i;
 2595:     for (i=0;i<=vf.nfields.value;i++) {
 2596:       //can not pick the same destination field for both name and domain
 2597:       if (((i ==0)||(i ==1)) && 
 2598:           ((tf==0)||(tf==1)) && 
 2599:           (i!=tf) &&
 2600:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
 2601:         eval('vf.f'+i+'.selectedIndex=0;')
 2602:       }
 2603:     }
 2604:   }
 2605: ENDPICK
 2606: }
 2607: 
 2608: sub csvupload_javascript_forward_associate {
 2609:   return(<<ENDPICK);
 2610:   function verify(vf) {
 2611:     var foundsomething=0;
 2612:     var founduname=0;
 2613:     var founddomain=0;
 2614:     for (i=0;i<=vf.nfields.value;i++) {
 2615:       tw=eval('vf.f'+i+'.selectedIndex');
 2616:       if (tw==1) { founduname=1; }
 2617:       if (tw==2) { founddomain=1; }
 2618:       if (tw>2) { foundsomething=1; }
 2619:     }
 2620:     if (founduname==0 || founddomain==0) {
 2621:       alert('You need to specify at both the username and domain');
 2622:       return;
 2623:     }
 2624:     if (foundsomething==0) {
 2625:       alert('You need to specify at least one grading field');
 2626:       return;
 2627:     }
 2628:     vf.submit();
 2629:   }
 2630:   function flip(vf,tf) {
 2631:     var nw=eval('vf.f'+tf+'.selectedIndex');
 2632:     var i;
 2633:     //can not pick the same destination field twice
 2634:     for (i=0;i<=vf.nfields.value;i++) {
 2635:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
 2636:         eval('vf.f'+i+'.selectedIndex=0;')
 2637:       }
 2638:     }
 2639:   }
 2640: ENDPICK
 2641: }
 2642: 
 2643: sub csvuploadmap_header {
 2644:     my ($request,$symb,$url,$datatoken,$distotal)= @_;
 2645:     my $javascript;
 2646:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
 2647: 	$javascript=&csvupload_javascript_reverse_associate();
 2648:     } else {
 2649: 	$javascript=&csvupload_javascript_forward_associate();
 2650:     }
 2651: 
 2652:     my ($result) = &showResourceInfo($url,$ENV{'form.probTitle'});
 2653: 
 2654:     $request->print(<<ENDPICK);
 2655: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 2656: <h3><font color="#339933">Uploading Class Grades</font></h3>
 2657: $result
 2658: <hr>
 2659: <h3>Identify fields</h3>
 2660: Total number of records found in file: $distotal <hr />
 2661: Enter as many fields as you can. The system will inform you and bring you back
 2662: to this page if the data selected is insufficient to run your class.<hr />
 2663: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
 2664: <input type="hidden" name="associate"  value="" />
 2665: <input type="hidden" name="phase"      value="three" />
 2666: <input type="hidden" name="datatoken"  value="$datatoken" />
 2667: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
 2668: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
 2669: <input type="hidden" name="upfile_associate" 
 2670:                                        value="$ENV{'form.upfile_associate'}" />
 2671: <input type="hidden" name="symb"       value="$symb" />
 2672: <input type="hidden" name="url"        value="$url" />
 2673: <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
 2674: <input type="hidden" name="probTitle"  value="$ENV{'form.probTitle'}" />
 2675: <input type="hidden" name="command"    value="csvuploadassign" />
 2676: <hr />
 2677: <script type="text/javascript" language="Javascript">
 2678: $javascript
 2679: </script>
 2680: ENDPICK
 2681:     return '';
 2682: 
 2683: }
 2684: 
 2685: sub csvupload_fields {
 2686:     my ($url,$symb) = @_;
 2687:     my (@parts) = &getpartlist($url,$symb);
 2688:     my @fields=(['username','Student Username'],['domain','Student Domain']);
 2689:     foreach my $part (sort(@parts)) {
 2690: 	my @datum;
 2691: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
 2692: 	my $name=$part;
 2693: 	if  (!$display) { $display = $name; }
 2694: 	@datum=($name,$display);
 2695: 	push(@fields,\@datum);
 2696:     }
 2697:     return (@fields);
 2698: }
 2699: 
 2700: sub csvuploadmap_footer {
 2701:     my ($request,$i,$keyfields) =@_;
 2702:     $request->print(<<ENDPICK);
 2703: </table>
 2704: <input type="hidden" name="nfields" value="$i" />
 2705: <input type="hidden" name="keyfields" value="$keyfields" />
 2706: <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
 2707: </form>
 2708: ENDPICK
 2709: }
 2710: 
 2711: sub upcsvScores_form {
 2712:     my ($request) = shift;
 2713:     my ($symb,$url)=&get_symb_and_url($request);
 2714:     if (!$symb) {return '';}
 2715:     my $result =<<CSVFORMJS;
 2716: <script type="text/javascript" language="javascript">
 2717:     function checkUpload(formname) {
 2718: 	if (formname.upfile.value == "") {
 2719: 	    alert("Please use the browse button to select a file from your local directory.");
 2720: 	    return false;
 2721: 	}
 2722: 	formname.submit();
 2723:     }
 2724:     </script>
 2725: CSVFORMJS
 2726:     $ENV{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
 2727:     my ($table) = &showResourceInfo($url,$ENV{'form.probTitle'});
 2728:     $result.=$table;
 2729:     $result.='<br /><table width=100% border=0><tr><td bgcolor="#777777">'."\n";
 2730:     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
 2731:     $result.='&nbsp;<b>Specify a file containing the class scores for current resource'.
 2732: 	'.</b></td></tr>'."\n";
 2733:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
 2734:     my $upfile_select=&Apache::loncommon::upfile_select_html();
 2735:     $result.=<<ENDUPFORM;
 2736: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 2737: <input type="hidden" name="symb" value="$symb" />
 2738: <input type="hidden" name="url" value="$url" />
 2739: <input type="hidden" name="command" value="csvuploadmap" />
 2740: <input type="hidden" name="probTitle" value="$ENV{'form.probTitle'}" />
 2741: <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
 2742: $upfile_select
 2743: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scores" />
 2744: 
 2745: </form>
 2746: ENDUPFORM
 2747:     $result.='</td></tr></table>'."\n";
 2748:     $result.='</td></tr></table><br /><br />'."\n";
 2749:     $result.=&show_grading_menu_form($symb,$url);
 2750:     return $result;
 2751: }
 2752: 
 2753: 
 2754: sub csvuploadmap {
 2755:     my ($request)= @_;
 2756:     my ($symb,$url)=&get_symb_and_url($request);
 2757:     if (!$symb) {return '';}
 2758: 
 2759:     my $datatoken;
 2760:     if (!$ENV{'form.datatoken'}) {
 2761: 	$datatoken=&Apache::loncommon::upfile_store($request);
 2762:     } else {
 2763: 	$datatoken=$ENV{'form.datatoken'};
 2764: 	&Apache::loncommon::load_tmp_file($request);
 2765:     }
 2766:     my @records=&Apache::loncommon::upfile_record_sep();
 2767:     &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
 2768:     my ($i,$keyfields);
 2769:     if (@records) {
 2770: 	my @fields=&csvupload_fields($url,$symb);
 2771: 
 2772: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
 2773: 	    &Apache::loncommon::csv_print_samples($request,\@records);
 2774: 	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
 2775: 							  \@fields);
 2776: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
 2777: 	    chop($keyfields);
 2778: 	} else {
 2779: 	    unshift(@fields,['none','']);
 2780: 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
 2781: 							    \@fields);
 2782: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
 2783: 	    $keyfields=join(',',sort(keys(%sone)));
 2784: 	}
 2785:     }
 2786:     &csvuploadmap_footer($request,$i,$keyfields);
 2787:     $request->print(&show_grading_menu_form($symb,$url));
 2788: 
 2789:     return '';
 2790: }
 2791: 
 2792: sub csvuploadassign {
 2793:     my ($request)= @_;
 2794:     my ($symb,$url)=&get_symb_and_url($request);
 2795:     if (!$symb) {return '';}
 2796:     &Apache::loncommon::load_tmp_file($request);
 2797:     my @gradedata = &Apache::loncommon::upfile_record_sep();
 2798:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
 2799:     my %fields=();
 2800:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
 2801: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {
 2802: 	    if ($ENV{'form.f'.$i} ne 'none') {
 2803: 		$fields{$keyfields[$i]}=$ENV{'form.f'.$i};
 2804: 	    }
 2805: 	} else {
 2806: 	    if ($ENV{'form.f'.$i} ne 'none') {
 2807: 		$fields{$ENV{'form.f'.$i}}=$keyfields[$i];
 2808: 	    }
 2809: 	}
 2810:     }
 2811:     $request->print('<h3>Assigning Grades</h3>');
 2812:     my $courseid=$ENV{'request.course.id'};
 2813:     my ($classlist) = &getclasslist('all',0);
 2814:     my @notallowed;
 2815:     my @skipped;
 2816:     my $countdone=0;
 2817:     foreach my $grade (@gradedata) {
 2818: 	my %entries=&Apache::loncommon::record_sep($grade);
 2819: 	my $username=$entries{$fields{'username'}};
 2820: 	my $domain=$entries{$fields{'domain'}};
 2821: 	if (!exists($$classlist{"$username:$domain"})) {
 2822: 	    push(@skipped,"$username:$domain");
 2823: 	    next;
 2824: 	}
 2825: 	my $usec=$classlist->{"$username:$domain"}[5];
 2826: 	if (!&canmodify($usec)) {
 2827: 	    push(@notallowed,"$username:$domain");
 2828: 	    next;
 2829: 	}
 2830: 	my %grades;
 2831: 	foreach my $dest (keys(%fields)) {
 2832: 	    if ($dest eq 'username' || $dest eq 'domain') { next; }
 2833: 	    if ($entries{$fields{$dest}} eq '') { next; }
 2834: 	    my $store_key=$dest;
 2835: 	    $store_key=~s/^stores/resource/;
 2836: 	    $store_key=~s/_/\./g;
 2837: 	    $grades{$store_key}=$entries{$fields{$dest}};
 2838: 	}
 2839: 	$grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
 2840: 	&Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
 2841: 				$domain,$username);
 2842: 	$request->print('.');
 2843: 	$request->rflush();
 2844: 	$countdone++;
 2845:     }
 2846:     $request->print("<br />Stored $countdone students\n");
 2847:     if (@skipped) {
 2848: 	$request->print('<p<font size="+1"><b>Skipped Students</b></font></p>');
 2849: 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
 2850:     }
 2851:     if (@notallowed) {
 2852: 	$request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
 2853: 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
 2854:     }
 2855:     $request->print("<br />\n");
 2856:     $request->print(&show_grading_menu_form($symb,$url));
 2857:     return '';
 2858: }
 2859: #------------- end of section for handling csv file upload ---------
 2860: #
 2861: #-------------------------------------------------------------------
 2862: #
 2863: #-------------- Next few routines handle grading by page/sequence
 2864: #
 2865: #--- Select a page/sequence and a student to grade
 2866: sub pickStudentPage {
 2867:     my ($request) = shift;
 2868: 
 2869:     $request->print(<<LISTJAVASCRIPT);
 2870: <script type="text/javascript" language="javascript">
 2871: 
 2872: function checkPickOne(formname) {
 2873:     if (radioSelection(formname.student) == null) {
 2874: 	alert("Please select the student you wish to grade.");
 2875: 	return;
 2876:     }
 2877:     ptr = pullDownSelection(formname.selectpage);
 2878:     formname.page.value = formname["page"+ptr].value;
 2879:     formname.title.value = formname["title"+ptr].value;
 2880:     formname.submit();
 2881: }
 2882: 
 2883: </script>
 2884: LISTJAVASCRIPT
 2885:     &commonJSfunctions($request);
 2886:     my ($symb,$url) = &get_symb_and_url($request);
 2887:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
 2888:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
 2889:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
 2890: 
 2891:     my $result='<h3><font color="#339933">&nbsp;'.
 2892: 	'Manual Grading by Page or Sequence</font></h3>';
 2893: 
 2894:     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
 2895:     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
 2896:     my ($titles,$symbx) = &getSymbMap($request);
 2897:     my ($curpage) =&Apache::lonnet::decode_symb($symb); 
 2898: #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
 2899: #    my $type=($curpage =~ /\.(page|sequence)/);
 2900:     my $ctr=0;
 2901:     foreach (@$titles) {
 2902: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
 2903: 	$result.='<option value="'.$ctr.'" '.
 2904: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
 2905: 	    '>'.$showtitle.'</option>'."\n";
 2906: 	$ctr++;
 2907:     }
 2908:     $result.= '</select>'."<br>\n";
 2909:     $ctr=0;
 2910:     foreach (@$titles) {
 2911: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
 2912: 	$result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
 2913: 	$result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
 2914: 	$ctr++;
 2915:     }
 2916:     $result.='<input type="hidden" name="page" />'."\n".
 2917: 	'<input type="hidden" name="title" />'."\n";
 2918: 
 2919:     $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
 2920: 	'<input type="radio" name="vProb" value="yes" /> yes '."<br>\n";
 2921: 
 2922:     $result.='&nbsp;<b>Submission Details: </b>'.
 2923: 	'<input type="radio" name="lastSub" value="none" /> none'."\n".
 2924: 	'<input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions'."\n".
 2925: 	'<input type="radio" name="lastSub" value="all" /> all details'."\n";
 2926: 
 2927:     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 2928: 	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
 2929: 	'<input type="hidden" name="command" value="displayPage" />'."\n".
 2930: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 2931: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 2932: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."<br />\n";
 2933: 
 2934:     $result.='&nbsp;<input type="button" '.
 2935: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
 2936: 
 2937:     $request->print($result);
 2938: 
 2939:     my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br>'.
 2940: 	'<table border="0"><tr><td bgcolor="#777777">'.
 2941: 	'<table border="0"><tr bgcolor="#e6ffff">'.
 2942: 	'<td align="right">&nbsp;<b>No.</b></td>'.
 2943: 	'<td>'.&nameUserString('header').'</td>'.
 2944: 	'<td align="right">&nbsp;<b>No.</b></td>'.
 2945: 	'<td>'.&nameUserString('header').'</td></tr>';
 2946:  
 2947:     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
 2948:     my $ptr = 1;
 2949:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
 2950: 	my ($uname,$udom) = split(/:/,$student);
 2951: 	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
 2952: 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
 2953: 	$studentTable.='<td>&nbsp;<input type="radio" name="student" value="'.$student.'" /> '
 2954: 	    .&nameUserString(undef,$$fullname{$student},$uname,$udom)."\n";
 2955: 	$studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
 2956: 	$ptr++;
 2957:     }
 2958:     $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%2 == 0);
 2959:     $studentTable.='</td></tr></table></td></tr></table>'."\n";
 2960:     $studentTable.='<input type="button" '.
 2961: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
 2962: 
 2963:     $studentTable.=&show_grading_menu_form($symb,$url);
 2964:     $request->print($studentTable);
 2965: 
 2966:     return '';
 2967: }
 2968: 
 2969: sub getSymbMap {
 2970:     my ($request) = @_;
 2971:     my $navmap = Apache::lonnavmaps::navmap->new();
 2972: 
 2973:     my %symbx = ();
 2974:     my @titles = ();
 2975:     my $minder = 0;
 2976: 
 2977:     # Gather every sequence that has problems.
 2978:     my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); }, 1);
 2979:     for my $sequence ($navmap->getById('0.0'), @sequences) {
 2980: 	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
 2981: 	    my $title = $minder.'.'.$sequence->compTitle();
 2982: 	    push @titles, $title; # minder in case two titles are identical
 2983: 	    $symbx{$title} = $sequence->symb();
 2984: 	    $minder++;
 2985: 	}
 2986:     }
 2987: 
 2988:     $navmap->untieHashes();
 2989:     return \@titles,\%symbx;
 2990: }
 2991: 
 2992: #
 2993: #--- Displays a page/sequence w/wo problems, w/wo submissions
 2994: sub displayPage {
 2995:     my ($request) = shift;
 2996: 
 2997:     my ($symb,$url) = &get_symb_and_url($request);
 2998:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
 2999:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
 3000:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
 3001:     my $pageTitle = $ENV{'form.page'};
 3002:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
 3003:     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
 3004:     my $usec=$classlist->{$ENV{'form.student'}}[5];
 3005:     if (!&canview($usec)) {
 3006: 	$request->print('<font color="red">Unable to view requested student.('.$ENV{'form.student'}.')</font>');
 3007: 	$request->print(&show_grading_menu_form($symb,$url));
 3008: 	return;
 3009:     }
 3010:     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
 3011:     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$ENV{'form.student'}},$uname,$udom).
 3012: 	'</h3>'."\n";
 3013:     &sub_page_js($request);
 3014:     $request->print($result);
 3015: 
 3016:     my $navmap = Apache::lonnavmaps::navmap->new();
 3017:     my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($ENV{'form.page'});
 3018:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
 3019: 
 3020:     my $iterator = $navmap->getIterator($map->map_start(),
 3021: 					$map->map_finish());
 3022: 
 3023:     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
 3024: 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
 3025: 	'<input type="hidden" name="fullname" value="'.$$fullname{$ENV{'form.student'}}.'" />'."\n".
 3026: 	'<input type="hidden" name="student" value="'.$ENV{'form.student'}.'" />'."\n".
 3027: 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
 3028: 	'<input type="hidden" name="title"   value="'.$ENV{'form.title'}.'" />'."\n".
 3029: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 3030: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 3031: 	'<input type="hidden" name="overRideScore" value="no" />'."\n".
 3032: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n";
 3033: 
 3034:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
 3035: 	'/check.gif" height="16" border="0" />';
 3036: 
 3037:     $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
 3038: 	' symbol.'."\n".
 3039: 	'<table border="0"><tr><td bgcolor="#777777">'.
 3040: 	'<table border="0"><tr bgcolor="#e6ffff">'.
 3041: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
 3042: 	'<td><b>&nbsp;'.($ENV{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
 3043: 
 3044:     my ($depth,$question) = (1,1);
 3045:     $iterator->next(); # skip the first BEGIN_MAP
 3046:     my $curRes = $iterator->next(); # for "current resource"
 3047:     while ($depth > 0) {
 3048:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
 3049:         if($curRes == $iterator->END_MAP) { $depth--; }
 3050: 
 3051:         if (ref($curRes) && $curRes->is_problem()) {
 3052: 	    my $parts = $curRes->parts();
 3053:             my $title = $curRes->compTitle();
 3054: 	    my $symbx = $curRes->symb();
 3055: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
 3056: 		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
 3057: 	    $studentTable.='<td valign="top">';
 3058: 	    if ($ENV{'form.vProb'} eq 'yes' ) {
 3059: 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
 3060: 					     undef,'both');
 3061: 	    } else {
 3062: 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$ENV{'request.course.id'});
 3063: 		$companswer =~ s|<form(.*?)>||g;
 3064: 		$companswer =~ s|</form>||g;
 3065: #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
 3066: #		    $companswer =~ s/$1/ /ms;
 3067: #		    $request->print('match='.$1."<br>\n");
 3068: #		}
 3069: #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
 3070: 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br>&nbsp;<b>Correct answer:</b><br>'.$companswer;
 3071: 	    }
 3072: 
 3073: 	    my %record = &Apache::lonnet::restore($symbx,$ENV{'request.course.id'},$udom,$uname);
 3074: 
 3075: 	    if ($ENV{'form.lastSub'} eq 'datesub') {
 3076: 		if ($record{'version'} eq '') {
 3077: 		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
 3078: 		} else {
 3079: 		    my %responseType = ();
 3080: 		    foreach my $partid (@{$parts}) {
 3081: 			my @responseIds =$curRes->responseIds($partid);
 3082: 			my @responseType =$curRes->responseType($partid);
 3083: 			my %responseIds;
 3084: 			for (my $i=0;$i<=$#responseIds;$i++) {
 3085: 			    $responseIds{$responseIds[$i]}=$responseType[$i];
 3086: 			}
 3087: 			$responseType{$partid} = \%responseIds;
 3088: 		    }
 3089: 		    $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
 3090: 
 3091: 		}
 3092: 	    } elsif ($ENV{'form.lastSub'} eq 'all') {
 3093: 		my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
 3094: 		$studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
 3095: 									$ENV{'request.course.id'},
 3096: 									'','.submission');
 3097:  
 3098: 	    }
 3099: 	    if (&canmodify($usec)) {
 3100: 		foreach my $partid (@{$parts}) {
 3101: 		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
 3102: 		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
 3103: 		    $question++;
 3104: 		}
 3105: 	    }
 3106: 	    $studentTable.='</td></tr>';
 3107: 
 3108: 	}
 3109:         $curRes = $iterator->next();
 3110:     }
 3111: 
 3112:     $navmap->untieHashes();
 3113: 
 3114:     $studentTable.='</td></tr></table></td></tr></table>'."\n".
 3115: 	'<input type="button" value="Save" '.
 3116: 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
 3117: 	'</form>'."\n";
 3118:     $studentTable.=&show_grading_menu_form($symb,$url);
 3119:     $request->print($studentTable);
 3120: 
 3121:     return '';
 3122: }
 3123: 
 3124: sub displaySubByDates {
 3125:     my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
 3126:     my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
 3127: 	'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
 3128: 	'<td><b>Date/Time</b></td>'.
 3129: 	'<td><b>Submission</b></td>'.
 3130: 	'<td><b>Status&nbsp;</b></td></tr>';
 3131:     my ($version);
 3132:     my %mark;
 3133:     my %orders;
 3134:     $mark{'correct_by_student'} = $checkIcon;
 3135:     if (!exists($$record{'1:timestamp'})) {
 3136: 	return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />';
 3137:     }
 3138:     for ($version=1;$version<=$$record{'version'};$version++) {
 3139: 	my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
 3140: 	$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
 3141: 	my @versionKeys = split(/\:/,$$record{$version.':keys'});
 3142: 	my @displaySub = ();
 3143: 	foreach my $partid (@{$parts}) {
 3144: 	    my @matchKey = sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys);
 3145: #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
 3146: 	    foreach my $matchKey (@matchKey) {
 3147: 		if (exists $$record{$version.':'.$matchKey}) {
 3148: 		    my ($responseId)=($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/);
 3149: 		    $displaySub[0].='<b>Part&nbsp;'.$partid.'&nbsp;';
 3150: 		    $displaySub[0].='<font color="#999999">(ID&nbsp;'.
 3151: 			$responseId.')</font>&nbsp;';
 3152: 		    if ($$record{"$version:resource.$partid.tries"} eq '') {
 3153: 			$displaySub[0].='Trial&nbsp;not&nbsp;counted';
 3154: 		    } else {
 3155: 			$displaySub[0].='Trial&nbsp;'.
 3156: 			    $$record{"$version:resource.$partid.tries"};
 3157: 		    }
 3158: 		    my $responseType=$responseType->{$partid}->{$responseId};
 3159: 		    if (!exists($orders{$partid})) { $orders{$partid}={}; }
 3160: 		    if (!exists($orders{$partid}->{$responseId})) {
 3161: 			$orders{$partid}->{$responseId}=
 3162: 			    &get_order($partid,$responseId,$symb,$uname,$udom);
 3163: 		    }
 3164: 		    $displaySub[0].='</b>&nbsp; '.
 3165: 			&cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:").'<br />';
 3166: 		}
 3167: 	    }
 3168: 	    if (exists $$record{"$version:resource.$partid.award"}) {
 3169: 		$displaySub[1].='<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
 3170: 		    lc($$record{"$version:resource.$partid.award"}).' '.
 3171: 		    $mark{$$record{"$version:resource.$partid.solved"}}.
 3172: 		    '<br />';
 3173: 	    }
 3174: 	    if (exists $$record{"$version:resource.$partid.regrader"}) {
 3175: 		$displaySub[2].=$$record{"$version:resource.$partid.regrader"}.
 3176: 		    ' (<b>Part:</b> '.$partid.')';
 3177: 	    }
 3178: 	}
 3179: 	# needed because old essay regrader has not parts info
 3180: 	if (exists $$record{"$version:resource.regrader"}) {
 3181: 	    $displaySub[2].=$$record{"$version:resource.regrader"};
 3182: 	}
 3183: 	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
 3184: 	if ($displaySub[2]) {
 3185: 	    $studentTable.='Manually graded by '.$displaySub[2];
 3186: 	}
 3187: 	$studentTable.='&nbsp;</td></tr>';
 3188:     
 3189:     }
 3190:     $studentTable.='</table></td></tr></table>';
 3191:     return $studentTable;
 3192: }
 3193: 
 3194: sub updateGradeByPage {
 3195:     my ($request) = shift;
 3196: 
 3197:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
 3198:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
 3199:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
 3200:     my $pageTitle = $ENV{'form.page'};
 3201:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
 3202:     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
 3203:     my $usec=$classlist->{$ENV{'form.student'}}[5];
 3204:     if (!&canmodify($usec)) {
 3205: 	$request->print('<font color="red">Unable to modify requested student.('.$ENV{'form.student'}.'</font>');
 3206: 	$request->print(&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'}));
 3207: 	return;
 3208:     }
 3209:     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
 3210:     $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).
 3211: 	'</h3>'."\n";
 3212: 
 3213:     $request->print($result);
 3214: 
 3215:     my $navmap = Apache::lonnavmaps::navmap->new();
 3216:     my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $ENV{'form.page'});
 3217:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
 3218: 
 3219:     my $iterator = $navmap->getIterator($map->map_start(),
 3220: 					$map->map_finish());
 3221: 
 3222:     my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
 3223: 	'<table border="0"><tr bgcolor="#e6ffff">'.
 3224: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
 3225: 	'<td><b>&nbsp;Title&nbsp;</b></td>'.
 3226: 	'<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
 3227: 	'<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
 3228: 
 3229:     $iterator->next(); # skip the first BEGIN_MAP
 3230:     my $curRes = $iterator->next(); # for "current resource"
 3231:     my ($depth,$question,$changeflag)= (1,1,0);
 3232:     while ($depth > 0) {
 3233:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
 3234:         if($curRes == $iterator->END_MAP) { $depth--; }
 3235: 
 3236:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
 3237: 	    my $parts = $curRes->parts();
 3238:             my $title = $curRes->compTitle();
 3239: 	    my $symbx = $curRes->symb();
 3240: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
 3241: 		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
 3242: 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
 3243: 
 3244: 	    my %newrecord=();
 3245: 	    my @displayPts=();
 3246: 	    foreach my $partid (@{$parts}) {
 3247: 		my $newpts = $ENV{'form.GD_BOX'.$question.'_'.$partid};
 3248: 		my $oldpts = $ENV{'form.oldpts'.$question.'_'.$partid};
 3249: 
 3250: 		my $wgt = $ENV{'form.WGT'.$question.'_'.$partid} != 0 ? 
 3251: 		    $ENV{'form.WGT'.$question.'_'.$partid} : 1;
 3252: 		my $partial = $newpts/$wgt;
 3253: 		my $score;
 3254: 		if ($partial > 0) {
 3255: 		    $score = 'correct_by_override';
 3256: 		} elsif ($newpts ne '') { #empty is taken as 0
 3257: 		    $score = 'incorrect_by_override';
 3258: 		}
 3259: 		my $dropMenu = $ENV{'form.GD_SEL'.$question.'_'.$partid};
 3260: 		if ($dropMenu eq 'excused') {
 3261: 		    $partial = '';
 3262: 		    $score = 'excused';
 3263: 		} elsif ($dropMenu eq 'reset status'
 3264: 			 && $ENV{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
 3265: 		    $newrecord{'resource.'.$partid.'.tries'} = 0;
 3266: 		    $newrecord{'resource.'.$partid.'.solved'} = '';
 3267: 		    $newrecord{'resource.'.$partid.'.award'} = '';
 3268: 		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
 3269: 		    $newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}";
 3270: 		    $changeflag++;
 3271: 		    $newpts = '';
 3272: 		}
 3273: 
 3274: 		my $oldstatus = $ENV{'form.solved'.$question.'_'.$partid};
 3275: 		$displayPts[0].='&nbsp;<b>Part</b> '.$partid.' = '.
 3276: 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
 3277: 		    '&nbsp;<br>';
 3278: 		$displayPts[1].='&nbsp;<b>Part</b> '.$partid.' = '.
 3279: 		     (($score eq 'excused') ? 'excused' : $newpts).
 3280: 		    '&nbsp;<br>';
 3281: 
 3282: 		$question++;
 3283: 		next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
 3284: 
 3285: 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
 3286: 		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
 3287: 		$newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}"
 3288: 		    if (scalar(keys(%newrecord)) > 0);
 3289: 
 3290: 		$changeflag++;
 3291: 	    }
 3292: 	    if (scalar(keys(%newrecord)) > 0) {
 3293: 		&Apache::lonnet::cstore(\%newrecord,$symbx,$ENV{'request.course.id'},
 3294: 					$udom,$uname);
 3295: 	    }
 3296: 
 3297: 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
 3298: 		'<td valign="top">'.$displayPts[1].'</td>'.
 3299: 		'</tr>';
 3300: 
 3301: 	}
 3302:         $curRes = $iterator->next();
 3303:     }
 3304: 
 3305:     $navmap->untieHashes();
 3306: 
 3307:     $studentTable.='</td></tr></table></td></tr></table>';
 3308:     $studentTable.=&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'});
 3309:     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
 3310: 		  'The scores were changed for '.
 3311: 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
 3312:     $request->print($grademsg.$studentTable);
 3313: 
 3314:     return '';
 3315: }
 3316: 
 3317: #-------- end of section for handling grading by page/sequence ---------
 3318: #
 3319: #-------------------------------------------------------------------
 3320: 
 3321: #--------------------Scantron Grading-----------------------------------
 3322: #
 3323: #------ start of section for handling grading by page/sequence ---------
 3324: 
 3325: sub defaultFormData {
 3326:     my ($symb,$url)=@_;
 3327:     return '
 3328:       <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
 3329:      '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
 3330:      '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
 3331:      '<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
 3332: }
 3333: 
 3334: sub getSequenceDropDown {
 3335:     my ($request,$symb)=@_;
 3336:     my $result='<select name="selectpage">'."\n";
 3337:     my ($titles,$symbx) = &getSymbMap($request);
 3338:     my ($curpage)=&Apache::lonnet::decode_symb($symb); 
 3339:     my $ctr=0;
 3340:     foreach (@$titles) {
 3341: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
 3342: 	$result.='<option value="'.$$symbx{$_}.'" '.
 3343: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
 3344: 	    '>'.$showtitle.'</option>'."\n";
 3345: 	$ctr++;
 3346:     }
 3347:     $result.= '</select>';
 3348:     return $result;
 3349: }
 3350: 
 3351: sub scantron_uploads {
 3352:     if (!-e $Apache::lonnet::perlvar{'lonScansDir'}) { return ''};
 3353:     my $result=	'<select name="scantron_selectfile">';
 3354:     opendir(DIR,$Apache::lonnet::perlvar{'lonScansDir'});
 3355:     my @files=sort(readdir(DIR));
 3356:     foreach my $filename (@files) {
 3357: 	if ($filename eq '.' or $filename eq '..') { next; }
 3358: 	$result.="<option>$filename</option>\n";
 3359:     }
 3360:     closedir(DIR);
 3361:     $result.="</select>";
 3362:     return $result;
 3363: }
 3364: 
 3365: sub scantron_scantab {
 3366:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
 3367:     my $result='<select name="scantron_format">'."\n";
 3368:     foreach my $line (<$fh>) {
 3369: 	my ($name,$descrip)=split(/:/,$line);
 3370: 	if ($name =~ /^\#/) { next; }
 3371: 	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
 3372:     }
 3373:     $result.='</select>'."\n";
 3374: 
 3375:     return $result;
 3376: }
 3377: 
 3378: sub scantron_selectphase {
 3379:     my ($r) = @_;
 3380:     my ($symb,$url)=&get_symb_and_url($r);
 3381:     if (!$symb) {return '';}
 3382:     my $sequence_selector=&getSequenceDropDown($r,$symb);
 3383:     my $default_form_data=&defaultFormData($symb,$url);
 3384:     my $grading_menu_button=&show_grading_menu_form($symb,$url);
 3385:     my $file_selector=&scantron_uploads();
 3386:     my $format_selector=&scantron_scantab();
 3387:     my $result;
 3388:     $result.= <<SCANTRONFORM;
 3389: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantro_process">
 3390:   <input type="hidden" name="command" value="scantron_validate" />
 3391:   $default_form_data
 3392:   <table width="100%" border="0">
 3393:     <tr>
 3394:       <td bgcolor="#777777">
 3395:         <table width="100%" border="0">
 3396:           <tr bgcolor="#e6ffff">
 3397:             <td>
 3398:               &nbsp;<b>Specify file location and which Folder/Sequence to grade</b>
 3399:             </td>
 3400:           </tr>
 3401:           <tr bgcolor="#ffffe6">
 3402:             <td>
 3403:                Sequence to grade: $sequence_selector
 3404: 	    </td>
 3405:           </tr>
 3406:           <tr bgcolor="#ffffe6">
 3407:             <td>
 3408: 		Filename of scoring office file: $file_selector
 3409: 	    </td>
 3410:           </tr>
 3411:           <tr bgcolor="#ffffe6">
 3412:             <td>
 3413:               Format of data file: $format_selector
 3414: 	    </td>
 3415:           </tr>
 3416:         </table>
 3417:       </td>
 3418:     </tr>
 3419:   </table>
 3420:   <input type="submit" value="Validate Scantron Records" />
 3421: </form>
 3422: $grading_menu_button
 3423: SCANTRONFORM
 3424: 
 3425:     return $result;
 3426: }
 3427: 
 3428: sub get_scantron_config {
 3429:     my ($which) = @_;
 3430:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
 3431:     my %config;
 3432:     foreach my $line (<$fh>) {
 3433: 	my ($name,$descrip)=split(/:/,$line);
 3434: 	if ($name ne $which ) { next; }
 3435: 	chomp($line);
 3436: 	my @config=split(/:/,$line);
 3437: 	$config{'name'}=$config[0];
 3438: 	$config{'description'}=$config[1];
 3439: 	$config{'CODElocation'}=$config[2];
 3440: 	$config{'CODEstart'}=$config[3];
 3441: 	$config{'CODElength'}=$config[4];
 3442: 	$config{'IDstart'}=$config[5];
 3443: 	$config{'IDlength'}=$config[6];
 3444: 	$config{'Qstart'}=$config[7];
 3445: 	$config{'Qlength'}=$config[8];
 3446: 	$config{'Qoff'}=$config[9];
 3447: 	$config{'Qon'}=$config[10];
 3448: 	last;
 3449:     }
 3450:     return %config;
 3451: }
 3452: 
 3453: sub username_to_idmap {
 3454:     my ($classlist)= @_;
 3455:     my %idmap;
 3456:     foreach my $student (keys(%$classlist)) {
 3457: 	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
 3458: 	    $student;
 3459:     }
 3460:     return %idmap;
 3461: }
 3462: 
 3463: sub scantron_parse_scanline {
 3464:     my ($line,$scantron_config)=@_;
 3465:     my %record;
 3466:     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
 3467:     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
 3468:     if ($$scantron_config{'CODElocation'} ne 0) {
 3469: 	if ($$scantron_config{'CODElocation'} < 0) {
 3470: 	    $record{'scantron.CODE'}=substr($data,$$scantron_config{'CODEstart'}-1,
 3471: 					    $$scantron_config{'CODElength'});
 3472: 	} else {
 3473: 	    #FIXME interpret first N questions
 3474: 	}
 3475:     }
 3476:     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
 3477: 				  $$scantron_config{'IDlength'});
 3478:     my @alphabet=('A'..'Z');
 3479:     my $questnum=0;
 3480:     while ($questions) {
 3481: 	$questnum++;
 3482: 	my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
 3483: 	substr($questions,0,$$scantron_config{'Qlength'})='';
 3484: 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
 3485: 	my (@array)=split(/$$scantron_config{'Qon'}/,$currentquest);
 3486: 	if (scalar(@array) gt 2) {
 3487: 	    #FIXME do something intelligent with double bubbles
 3488: 	    Apache->request->print("<br ><b>Wha!!!</b> <pre>".scalar(@array).
 3489: 				   '-'.$currentquest.'-'.$questnum.'</pre><br />');
 3490: 	}
 3491: 	if (length($array[0]) eq $$scantron_config{'Qlength'}) {
 3492: 	    $record{"scantron.$questnum.answer"}='';
 3493: 	} else {
 3494: 	    $record{"scantron.$questnum.answer"}=$alphabet[length($array[0])];
 3495: 	}
 3496:     }
 3497:     $record{'scantron.maxquest'}=$questnum;
 3498:     return \%record;
 3499: }
 3500: 
 3501: sub scantron_add_delay {
 3502:     my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
 3503:     Apache->request->print('add_delay_error '.$_[2] );
 3504:     push(@$delayqueue,
 3505: 	 {'line' => $scanline, 'emsg' => $errormessage,
 3506: 	  'ecode' => $errorcode }
 3507: 	 );
 3508: }
 3509: 
 3510: sub scantron_find_student {
 3511:     my ($scantron_record,$idmap)=@_;
 3512:     my $scanID=$$scantron_record{'scantron.ID'};
 3513:     foreach my $id (keys(%$idmap)) {
 3514: 	#Apache->request->print('<pre>checking studnet -'.$id.'- againt -'.$scanID.'- </pre>');
 3515: 	if (lc($id) eq lc($scanID)) {
 3516: 	    #Apache->request->print('success');
 3517: 	    return $$idmap{$id};
 3518: 	}
 3519:     }
 3520:     return undef;
 3521: }
 3522: 
 3523: sub scantron_filter {
 3524:     my ($curres)=@_;
 3525:     if (ref($curres) && $curres->is_problem() && !$curres->randomout) {
 3526: 	return 1;
 3527:     }
 3528:     return 0;
 3529: }
 3530: 
 3531: #FIXME I think I am doing this in the wrong order, I think it would be
 3532: #better to make a several passes analyzing all of the lines in the
 3533: #file for common errors wrong/invalid PID/username duplicated
 3534: #PID/username, missing bubbles, double bubbles, missing/invalid CODE
 3535: #and then get the instructor to fix all of these errors, then grade
 3536: #the corrected one, I'll still need to catch error conditions, but
 3537: #maybe most will taken care even before we start
 3538: 
 3539: sub scantron_validate_file {
 3540:     my ($r) = @_;
 3541: }
 3542: 
 3543: sub scantron_process_students {
 3544:     my ($r) = @_;
 3545:     my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($ENV{'form.selectpage'});
 3546:     my ($symb,$url)=&get_symb_and_url($r);
 3547:     if (!$symb) {return '';}
 3548:     my $default_form_data=&defaultFormData($symb,$url);
 3549: 
 3550:     my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
 3551:     my $scanlines=Apache::File->new($Apache::lonnet::perlvar{'lonScansDir'}."/$ENV{'form.scantron_selectfile'}");
 3552:     my @scanlines=<$scanlines>;
 3553:     my $classlist=&Apache::loncoursedata::get_classlist();
 3554:     my %idmap=&username_to_idmap($classlist);
 3555:     my $navmap=Apache::lonnavmaps::navmap->new();
 3556:     my $map=$navmap->getResourceByUrl($sequence);
 3557:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
 3558: #    $r->print("geto ".scalar(@resources)."<br />");
 3559:     my $result= <<SCANTRONFORM;
 3560: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
 3561:   <input type="hidden" name="command" value="scantron_configphase" />
 3562:   $default_form_data
 3563: SCANTRONFORM
 3564:     $r->print($result);
 3565: 
 3566:     my @delayqueue;
 3567:     my %completedstudents;
 3568:     
 3569:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,
 3570: 	           'Scantron Status','Scantron Progress',scalar(@scanlines));
 3571:     &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
 3572: 					  'Processing first student');
 3573:     my $start=&Time::HiRes::time();
 3574:     foreach my $line (@scanlines) {
 3575: 	$r->print('<pre>line is'.$line.'</pre>');
 3576: 
 3577: 	chomp($line);
 3578: 	my $scan_record=&scantron_parse_scanline($line,\%scantron_config);
 3579: 	my ($uname,$udom);
 3580: 	unless ($uname=&scantron_find_student($scan_record,\%idmap)) {
 3581: 	    &scantron_add_delay(\@delayqueue,$line,
 3582: 				'Unable to find a student that matches',1);
 3583: 	    next;
 3584: 	}
 3585: 	if (exists $completedstudents{$uname}) {
 3586: 	    &scantron_add_delay(\@delayqueue,$line,
 3587: 				'Student '.$uname.' has multiple sheets',2);
 3588: 	    next;
 3589: 	}
 3590: 	$r->print('<pre>doing studnet'.$uname.'</pre>');
 3591: 	($uname,$udom)=split(/:/,$uname);
 3592: 	&Apache::lonnet::delenv('form.counter');
 3593: 	&Apache::lonnet::appenv(%$scan_record);
 3594: #    &Apache::lonhomework::showhash(%ENV);
 3595: #    $Apache::lonxml::debug=1;
 3596: #	&Apache::lonxml::debug("line is $line");
 3597: 	
 3598: 	    my $i=0;
 3599: 	foreach my $resource (@resources) {
 3600: 	    $i++;
 3601: 	    my $result=&Apache::lonnet::ssi($resource->src(),
 3602: 				 ('submitted'     =>'scantron',
 3603: 				  'grade_target'  =>'grade',
 3604: 				  'grade_username'=>$uname,
 3605: 				  'grade_domain'  =>$udom,
 3606: 				  'grade_courseid'=>$ENV{'request.course.id'},
 3607: 				  'grade_symb'    =>$resource->symb()));
 3608: #	    my %score=&Apache::lonnet::restore($resource->symb(),
 3609: #					       $ENV{'request.course.id'},
 3610: #					       $udom,$uname);
 3611: #	    foreach my $part ($resource->{PARTS}) {
 3612: #		if ($score{'resource.'.$part.'.solved'} =~ /^correct/) {
 3613: #		    $studentcorrect++;
 3614: #		    $totalcorrect++;
 3615: #		} else {
 3616: #		    $studentincorrect++;
 3617: #		    $totalincorrect++;
 3618: #		}
 3619: #	    }
 3620: #	    $r->print('<pre>'.
 3621: #		      $resource->symb().'-'.
 3622: #		      $resource->src().'-'.'</pre>result is'.$result);
 3623: #	    &Apache::lonhomework::showhash(%score);
 3624: 	#    if ($i eq 3) {last;}
 3625: 	}
 3626: 	$completedstudents{$uname}={'line'=>$line};
 3627:     } continue {
 3628: 	&Apache::lonnet::delenv('form.counter');
 3629: 	&Apache::lonnet::delenv('scantron\.');
 3630: 	&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
 3631: 						 'last student');
 3632: 	#last;
 3633: 	#FIXME
 3634: 	#get iterator for $sequence
 3635: 	#foreach question 'submit' the students answer to the server
 3636: 	#   through grade target {
 3637: 	#   generate data to pass back that includes grade recevied
 3638: 	#}
 3639:     }
 3640:     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
 3641:     my $lasttime = &Time::HiRes::time()-$start;
 3642:     $r->print("<p>took $lasttime</p>");
 3643: 
 3644:     #$Apache::lonxml::debug=0;
 3645:     foreach my $delay (@delayqueue) {
 3646: 	#FIXME
 3647: 	#print out each delayed student with interface to select how
 3648: 	#  to repair student provided info
 3649: 	#Expected errors include
 3650: 	#  1 bad/no stuid/username
 3651: 	#  2 invalid bubblings
 3652: 	
 3653:     }
 3654:     #FIXME
 3655:     # if delay queue exists 2 submits one to process delayed students one
 3656:     #     to ignore delayed students, possibly saving the delay queue for later
 3657:     
 3658:     $navmap->untieHashes();
 3659: }
 3660: #-------- end of section for handling grading scantron forms -------
 3661: #
 3662: #-------------------------------------------------------------------
 3663: 
 3664: 
 3665: #-------------------------- Menu interface -------------------------
 3666: #
 3667: #--- Show a Grading Menu button - Calls the next routine ---
 3668: sub show_grading_menu_form {
 3669:     my ($symb,$url)=@_;
 3670:     my $result.='<br /><form action="/adm/grades" method="post">'."\n".
 3671: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
 3672: 	'<input type="hidden" name="url" value="'.$url.'" />'."\n".
 3673: 	'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
 3674: 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
 3675: 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
 3676: 	'</form>'."\n";
 3677:     return $result;
 3678: }
 3679: 
 3680: # -- Retrieve choices for grading form
 3681: sub savedState {
 3682:     my %savedState = ();
 3683:     if ($ENV{'form.saveState'}) {
 3684: 	foreach (split(/:/,$ENV{'form.saveState'})) {
 3685: 	    my ($key,$value) = split(/=/,$_,2);
 3686: 	    $savedState{$key} = $value;
 3687: 	}
 3688:     }
 3689:     return \%savedState;
 3690: }
 3691: 
 3692: #--- Displays the main menu page -------
 3693: sub gradingmenu {
 3694:     my ($request) = @_;
 3695:     my ($symb,$url)=&get_symb_and_url($request);
 3696:     if (!$symb) {return '';}
 3697:     my $probTitle = &Apache::lonnet::gettitle($symb);
 3698: 
 3699:     $request->print(<<GRADINGMENUJS);
 3700: <script type="text/javascript" language="javascript">
 3701:     function checkChoice(formname,val,cmdx) {
 3702: 	if (val <= 2) {
 3703: 	    var cmd = radioSelection(formname.radioChoice);
 3704: 	    var cmdsave = cmd;
 3705: 	} else {
 3706: 	    cmd = cmdx;
 3707: 	    cmdsave = 'submission';
 3708: 	}
 3709: 	formname.command.value = cmd;
 3710: 	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
 3711: 	    ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
 3712: 	if (val < 5) formname.submit();
 3713: 	if (val == 5) {
 3714: 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
 3715: 	    formname.submit();
 3716: 	}
 3717:     }
 3718: 
 3719:     function checkReceiptNo(formname,nospace) {
 3720: 	var receiptNo = formname.receipt.value;
 3721: 	var checkOpt = false;
 3722: 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
 3723: 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
 3724: 	if (checkOpt) {
 3725: 	    alert("Please enter a receipt number given by a student in the receipt box.");
 3726: 	    formname.receipt.value = "";
 3727: 	    formname.receipt.focus();
 3728: 	    return false;
 3729: 	}
 3730: 	return true;
 3731:     }
 3732: </script>
 3733: GRADINGMENUJS
 3734:     &commonJSfunctions($request);
 3735:     my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
 3736:     my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
 3737:     $result.=$table;
 3738:     my (undef,$sections) = &getclasslist('all','0');
 3739:     my $savedState = &savedState();
 3740:     my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
 3741:     my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
 3742:     my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
 3743:     my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
 3744: 
 3745:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
 3746: 	'<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
 3747: 	'<input type="hidden" name="url"         value="'.$url.'" />'."\n".
 3748: 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
 3749: 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
 3750: 	'<input type="hidden" name="command"     value="" />'."\n".
 3751: 	'<input type="hidden" name="saveState"   value="" />'."\n".
 3752: 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
 3753: 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
 3754: 
 3755:     $result.='<table width="100%" border=0><tr><td bgcolor=#777777>'."\n".
 3756: 	'<table width=100% border=0><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
 3757: 	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
 3758: 	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
 3759: 
 3760:     $result.='<table width="100%" border=0>';
 3761:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
 3762: 	'&nbsp;Select Section: <select name="section">'."\n";
 3763:     if (ref($sections)) {
 3764: 	foreach (sort (@$sections)) {$result.='<option value="'.$_.'" '.
 3765: 					 ($saveSec eq $_ ? 'selected="on"' : '').'>'.$_.'</option>'."\n";}
 3766:     }
 3767:     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
 3768: 
 3769:     $result.='Student Status:</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
 3770: 
 3771:     if (ref($sections)) {
 3772: 	$result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
 3773: 	    if (grep /no/,@$sections);
 3774:     }
 3775:     $result.='</td></tr>';
 3776: 
 3777:     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 3778: 	'<input type="radio" name="radioChoice" value="submission" '.
 3779: 	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students '.
 3780: 	'<select name="submitonly">'.
 3781: 	'<option value="yes" '.
 3782: 	($saveSub eq 'yes' ? 'selected="on"' : '').'>with submissions</option>'.
 3783: 	'<option value="graded" '.
 3784: 	($saveSub eq 'graded' ? 'selected="on"' : '').'>with ungraded submissions</option>'.
 3785: 	'<option value="all" '.
 3786: 	($saveSub eq 'all' ? 'selected="on"' : '').'>with any status</option></select></td></tr>'."\n";
 3787: 
 3788:     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 3789: 	'<input type="radio" name="radioChoice" value="viewgrades" '.
 3790: 	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
 3791: 	'<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
 3792: 
 3793:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
 3794: 	'<input type="radio" name="radioChoice" value="pickStudentPage" '.
 3795: 	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
 3796: 	'The <b>complete</b> set/page/sequence: For one student</td></tr>'."\n";
 3797: 
 3798:     $result.='<tr bgcolor="#ffffe6"><td><br />'.
 3799: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
 3800: 	'</td></tr></table>'."\n";
 3801: 
 3802:     $result.='</td><td valign="top">';
 3803: 
 3804:     $result.='<table width="100%" border=0>';
 3805:     $result.='<tr bgcolor="#ffffe6"><td>'.
 3806: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="Upload" />'.
 3807: 	' scores from file </td></tr>'."\n";
 3808: 
 3809:     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
 3810: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
 3811: 	'" value="Grade" /> scantron forms</td></tr>'."\n";
 3812: 
 3813:     if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb)) {
 3814: 	$result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 3815: 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="Verify" />'.
 3816: 	    ' submission Receipt no: '.unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).
 3817: 	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')">'.
 3818: 	    '</td></tr>'."\n";
 3819:     } 
 3820: 
 3821:     $result.='</form></td></tr></table>'."\n".
 3822: 	'</td></tr></table>'."\n".
 3823: 	'</td></tr></table>'."\n";
 3824:     return $result;
 3825: }
 3826: 
 3827: sub handler {
 3828:     my $request=$_[0];
 3829: 
 3830:     undef(%perm);
 3831:     if ($ENV{'browser.mathml'}) {
 3832: 	&Apache::loncommon::content_type($request,'text/xml');
 3833:     } else {
 3834: 	&Apache::loncommon::content_type($request,'text/html');
 3835:     }
 3836:     $request->send_http_header;
 3837:     return '' if $request->header_only;
 3838:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
 3839:     my $url=$ENV{'form.url'};
 3840:     my $symb=$ENV{'form.symb'};
 3841:     my $command=$ENV{'form.command'};
 3842:     if (!$url) {
 3843: 	my ($temp1,$temp2);
 3844: 	($temp1,$temp2,$ENV{'form.url'})=&Apache::lonnet::decode_symb($symb);
 3845: 	$url = $ENV{'form.url'};
 3846:     }
 3847:     &send_header($request);
 3848:     if ($url eq '' && $symb eq '') {
 3849: 	if ($ENV{'user.adv'}) {
 3850: 	    if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
 3851: 		($ENV{'form.codethree'})) {
 3852: 		my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
 3853: 		    $ENV{'form.codethree'};
 3854: 		my ($tsymb,$tuname,$tudom,$tcrsid)=
 3855: 		    &Apache::lonnet::checkin($token);
 3856: 		if ($tsymb) {
 3857: 		    my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
 3858: 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
 3859: 			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
 3860: 					  ('grade_username' => $tuname,
 3861: 					   'grade_domain' => $tudom,
 3862: 					   'grade_courseid' => $tcrsid,
 3863: 					   'grade_symb' => $tsymb)));
 3864: 		    } else {
 3865: 			$request->print('<h3>Not authorized: '.$token.'</h3>');
 3866: 		    }
 3867: 		} else {
 3868: 		    $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
 3869: 		}
 3870: 	    } else {
 3871: 		$request->print(&Apache::lonxml::tokeninputfield());
 3872: 	    }
 3873: 	}
 3874:     } else {
 3875: 	if (!($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}))) {
 3876: 	    if ($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
 3877: 		$perm{'vgr_section'}=$ENV{'request.course.sec'};
 3878: 	    } else {
 3879: 		delete($perm{'vgr'});
 3880: 	    }
 3881: 	}
 3882: 	if (!($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) {
 3883: 	    if ($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
 3884: 		$perm{'mgr_section'}=$ENV{'request.course.sec'};
 3885: 	    } else {
 3886: 		delete($perm{'mgr'});
 3887: 	    }
 3888: 	}
 3889: 
 3890: 	if ($command eq 'submission' && $perm{'vgr'}) {
 3891: 	    ($ENV{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
 3892: 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
 3893: 	    &pickStudentPage($request);
 3894: 	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
 3895: 	    &displayPage($request);
 3896: 	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
 3897: 	    &updateGradeByPage($request);
 3898: 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
 3899: 	    &processGroup($request);
 3900: 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
 3901: 	    $request->print(&gradingmenu($request));
 3902: 	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
 3903: 	    $request->print(&viewgrades($request));
 3904: 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
 3905: 	    $request->print(&processHandGrade($request));
 3906: 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
 3907: 	    $request->print(&editgrades($request));
 3908: 	} elsif ($command eq 'verify' && $perm{'vgr'}) {
 3909: 	    $request->print(&verifyreceipt($request));
 3910: 	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
 3911: 	    $request->print(&upcsvScores_form($request));
 3912: 	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
 3913: 	    $request->print(&csvupload($request));
 3914: 	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
 3915: 	    $request->print(&csvuploadmap($request));
 3916: 	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'}) {
 3917: 	    if ($ENV{'form.associate'} ne 'Reverse Association') {
 3918: 		$request->print(&csvuploadassign($request));
 3919: 	    } else {
 3920: 		if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
 3921: 		    $ENV{'form.upfile_associate'} = 'reverse';
 3922: 		} else {
 3923: 		    $ENV{'form.upfile_associate'} = 'forward';
 3924: 		}
 3925: 		$request->print(&csvuploadmap($request));
 3926: 	    }
 3927: 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
 3928: 	    $request->print(&scantron_selectphase($request));
 3929: 	} elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
 3930: 	    $request->print(&scantron_validate_file($request));
 3931: 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
 3932: 	    $request->print(&scantron_process_students($request));
 3933: 	} elsif ($command) {
 3934: 	    $request->print("Access Denied");
 3935: 	}
 3936:     }
 3937:     &send_footer($request);
 3938:     return '';
 3939: }
 3940: 
 3941: sub send_header {
 3942:     my ($request)= @_;
 3943:     $request->print(&Apache::lontexconvert::header());
 3944: #  $request->print("
 3945: #<script>
 3946: #remotewindow=open('','homeworkremote');
 3947: #remotewindow.close();
 3948: #</script>"); 
 3949:     $request->print(&Apache::loncommon::bodytag('Grading'));
 3950:     foreach my $key (sort(keys(%ENV))) {
 3951: 	if ($key =~ /^form\./) {
 3952: 	    Apache->request->print("$key => $ENV{$key} <br />");
 3953: 	}
 3954:     }
 3955: }
 3956: 
 3957: sub send_footer {
 3958:     my ($request)= @_;
 3959:     $request->print('</body>');
 3960:     $request->print(&Apache::lontexconvert::footer());
 3961: }
 3962: 
 3963: 1;
 3964: 
 3965: __END__;

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