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Diff for /loncom/homework/grades.pm between versions 1.32 and 1.42

version 1.32, 2002/06/26 21:25:31 version 1.42, 2002/07/26 20:28:42
Line 30 Line 30
 # 7/26 H.K. Ng  # 7/26 H.K. Ng
 # 8/20 Gerd Kortemeyer  # 8/20 Gerd Kortemeyer
 # Year 2002  # Year 2002
 # June 2002 H.K. Ng  # June, July 2002 H.K. Ng
 #  #
   
 package Apache::grades;  package Apache::grades;
Line 40  use Apache::lonxml; Line 40  use Apache::lonxml;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonhomework;  use Apache::lonhomework;
   use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   #use Time::HiRes qw( gettimeofday tv_interval );
   
 sub moreinfo {  sub moreinfo {
   my ($request,$reason) = @_;      my ($request,$reason) = @_;
   $request->print("Unable to process request: $reason");      $request->print("Unable to process request: $reason");
   if ( $Apache::grades::viewgrades eq 'F' ) {      if ( $Apache::grades::viewgrades eq 'F' ) {
     $request->print('<form action="/adm/grades" method="post">'."\n");   $request->print('<form action="/adm/grades" method="post">'."\n");
     if ($ENV{'form.url'}) {   if ($ENV{'form.url'}) {
       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");      $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
     }   }
     if ($ENV{'form.symb'}) {   if ($ENV{'form.symb'}) {
       $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");      $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
    }
   #    $request->print('<input type="hidden" name="command" value="submission" />'."\n");
    $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
    $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
    $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
    $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
    $request->print('</form>');
     }      }
     $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");      return '';
     $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");  
     $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");  
     $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");  
     $request->print('</form>');  
   }  
   return '';  
 }  }
   
 sub verifyreceipt {  sub verifyreceipt {
     my $request=shift;      my $request=shift;
     my $courseid=$ENV{'request.course.id'};      my $courseid=$ENV{'request.course.id'};
     my $cdom=$ENV{"course.$courseid.domain"};  #    my $cdom=$ENV{"course.$courseid.domain"};
     my $cnum=$ENV{"course.$courseid.num"};  #    my $cnum=$ENV{"course.$courseid.num"};
     my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.      my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
                 $ENV{'form.receipt'};   $ENV{'form.receipt'};
     $receipt=~s/[^\-\d]//g;      $receipt=~s/[^\-\d]//g;
     my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
     unless ($symb) {      unless ($symb) {
Line 77  sub verifyreceipt { Line 80  sub verifyreceipt {
     if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {      if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {
         $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');          $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');
         my $matches=0;          my $matches=0;
         my (%classlist) = &getclasslist($cdom,$cnum,'0');          my ($classlist) = &getclasslist('all','0');
         foreach my $student ( sort(@{ $classlist{'allids'} }) ) {          foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
             my ($uname,$udom)=split(/\:/,$student);              my ($uname,$udom)=split(/\:/,$student);
             if ($receipt eq               if ($receipt eq 
              &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {   &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
                $request->print('Matching '.$student.'<br>');   $request->print('Matching '.$student.'<br>');
                $matches++;   $matches++;
    }     }
         }          }
         $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');          $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');
   # needs to print who is matched
     }      }
     return '';      return '';
 }  }
   
 sub receiptInput {  sub student_gradeStatus {
   my ($request) = shift;      my ($url,$udom,$uname,$partlist) = @_;
   my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
   my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};      my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
   my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});      my %partstatus = ();
   $request->print(<<ENDHEADER);      foreach (@$partlist) {
 <h2><font color="#339933">Verify a Submission Receipt Issued by this Server</font></h2>   my ($status,$foo)=split(/_/,$record{"resource.$_.solved"},2);
 <form action="/adm/grades" method="post">   $status = 'nothing' if ($status eq '');
 <tt>$hostver-<input type="text" name="receipt" size="4"></tt>   $partstatus{$_} = $status;
 <input type="submit" name="submit" value="Verify">   $partstatus{"resource.$_.submitted_by"} = $record{"resource.$_.submitted_by"} 
 <input type="hidden" name="command" value="verify">   if ($record{"resource.$_.submitted_by"} ne '');
 ENDHEADER      }
   if ($ENV{'form.url'}) {      return %partstatus;
     $request->print(  }
     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');  
   }  sub get_fullname {
   if ($ENV{'form.symb'}) {      my ($uname,$udom) = @_;
     $request->print(      my %name=&Apache::lonnet::get('environment', ['lastname','generation',
     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');    'firstname','middlename'],$udom,$uname);
   }      my $fullname;
 #  $request->print(<<ENDTABLEST);      my ($tmp) = keys(%name);
   $request->print('</form>');      if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
     return '';   $fullname=$name{'lastname'}.$name{'generation'};
    if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
    $fullname.=$name{'firstname'}.' '.$name{'middlename'};
       }
       return $fullname;
 }  }
   
 sub student_gradeStatus {  sub response_type {
   my ($url,$udom,$uname) = @_;      my ($url) = shift;
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      my $allkeys = &Apache::lonnet::metadata($url,'keys');
   my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);  #    print "allkeys=>$allkeys<br>";
   foreach my $part (&getpartlist($url)) {      my %seen = ();
     my ($temp,$part,$type)=split(/_/,$part);      my (@partlist,%handgrade);
     if ($type eq 'solved') {      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
       my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);   if (/^\w+response_\d{1,2}.*/) {
       $status = 'nothing' if ($status eq '');      my ($responsetype,$part) = split(/_/,$_,2);
       return $type,$status;      my ($partid,$respid) = split(/_/,$part);
       $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
       next if ($seen{$partid} > 0);
       $seen{$partid}++;
       push @partlist,$partid;
    }
     }      }
   }      return \@partlist,\%handgrade;
   return '';  
 }  }
   
   
 sub listStudents {  sub listStudents {
   my ($request) = shift;      my ($request) = shift;
   my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};      my $cdom      =$ENV{"course.$ENV{'request.course.id'}.domain"};
   my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};      my $cnum      =$ENV{"course.$ENV{'request.course.id'}.num"};
       my $getsec    =$ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
   $request->print(<<ENDTABLEST);      my $submitonly=$ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
 <h2><font color="#339933">Show Student Submissions on Assessment</font></h2>  
       my $result='<h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>';
 <table border="0"><tr><td bgcolor="#777777">      $result.='<table border="0">';
 <table border="0">      $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';
 <tr bgcolor="#e6ffff"><td colspan="7"><b>Resource: </b> $ENV{'form.url'}</td></tr>      my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
 <tr bgcolor="#e6ffff"><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>      for (sort keys(%$handgrade)) {
 <td><b>View Problem</b></td><td><b>Submissions</b></td>   my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
 <td><b>Grade Status</b></td><td><b>Action</b></td></tr>   $ENV{'form.handgrade'} = 'yes' if ($handgrade eq 'yes');
    $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
       '<td><b>Type: </b>'.$responsetype.'</td>'.
       '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
       }
       $result.='</table>';
       $request->print($result);
   
       $request->print(<<ENDTABLEST);
   <form action="/adm/grades" method="post">
   &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no 
   <input type="radio" name="vProb" value="yes"> yes <br />
   &nbsp;<b>Submissions: </b>
   <input type="radio" name="lastSub" value="hdgrade" checked /> handgrade only
   <input type="radio" name="lastSub" value="lastonly" /> last sub only
   <input type="radio" name="lastSub" value="last" /> last sub & parts info
   <input type="radio" name="lastSub" value="all" /> all details
   <input type="hidden" name="section" value="$getsec" />
   <input type="hidden" name="submitonly" value="$submitonly" />
   <input type="hidden" name="response" value="$ENV{'form.response'}" />
   <input type="hidden" name="handgrade" value="$ENV{'form.handgrade'}" /><br />
   <input type="hidden" name="showgrading" value="$ENV{'form.showgrading'}" /><br />
   <input type="submit" name="submit" value="View/Grade" />
 ENDTABLEST  ENDTABLEST
   my (%classlist) = &getclasslist($cdom,$cnum,'0');      if ($ENV{'form.url'}) {
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {   $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
       my ($sname,$sdom) = split(/:/,$student);      }
       if ($ENV{'form.symb'}) {
       my %name=&Apache::lonnet::get('environment', ['lastname','generation',   $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
     'firstname','middlename'],      }
     $sdom,$sname);      $request->print('<input type="hidden" name="command" value="processGroup" />'."\n");
       my $fullname;      
       my ($tmp) = keys(%name);      my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');
       if ($tmp !~ /^(con_lost|error|no_such_host)/i) {      
  $fullname=$name{'lastname'}.$name{'generation'};      $result='<table border="0"><tr><td bgcolor="#777777">'.
  if ($fullname =~ /[^\s]+/) { $fullname.=', '; }   '<table border="0"><tr bgcolor="#e6ffff">'.
  $fullname.=$name{'firstname'}.' '.$name{'middlename'};   '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>'.
       }   '<td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';
       if ( $Apache::grades::viewgrades eq 'F' ) {      foreach (sort(@$partlist)) {
   $request->print("\n".'<tr bgcolor=#ffffe6>'."<td>$sname</td><td>$fullname</td><td align=\"middle\">$sdom</td>".   $result.='<td><b>&nbsp;Part ID '.$_.' Status&nbsp;</b></td>';
   '<form action="/adm/grades" method="post">');      }
   if ($ENV{'form.url'}) {      $request->print($result.'</tr>'."\n");
     $request->print(  
     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');      foreach my $student (sort(@{ $$classlist{$getsec} }) ) {
   }   my ($uname,$udom) = split(/:/,$student);
   if ($ENV{'form.symb'}) {   my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist);
     $request->print(   my $statusflg = '';
     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');   foreach (keys(%status)) {
   }      $statusflg = 1 if ($status{$_} ne 'nothing');
   $request->print(      my ($foo,$partid,$foo) = split(/\./,$_);
   '<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');      if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
   $request->print(   $statusflg = '';
   '<input type="hidden" name="student" value="'.$sname.'" />');   $request->print('<input type="hidden" name="'.
   $request->print(   $student.':submitted_by" value="'.
   '<input type="hidden" name="fullname" value="'.$fullname.'" />');   $status{'resource.'.$partid.'.submitted_by'}.'" />');
   $request->print(      }
   '<input type="hidden" name="domain" value="'.$sdom.'" />');   }
   $request->print('<td>'.   next if ($statusflg eq '' && $submitonly eq 'yes');
   '<input type="radio" name="vProb" value="no" checked> no '.  
   '<input type="radio" name="vProb" value="yes"> yes </td>');   if ( $Apache::grades::viewgrades eq 'F' ) {
   $request->print('<td>'.      $result='<tr bgcolor="#ffffe6">'.
   '<input type="radio" name="submission" value="last" checked> last '.   '<td align="center"><input type=checkbox name="stuinfo" value="'.
   '<input type="radio" name="submission" value="all"> all </td>');   $student.':'.$$fullname{$student}.'"></td>'."\n".
   my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname);   '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".
   $request->print(   '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".
   '<td align="middle">'.$status.'&nbsp;</td>');   '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";
   $request->print(      
                          '<td><input type="submit" name="submit" value="View/Grade" />');      foreach (sort keys(%status)) {
   $request->print('</td></tr></form>');   next if (/^resource.*?submitted_by$/);
 #  $request->print('</form></td></tr>');   $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
       }      }
   }      $request->print($result.'</tr>'."\n");
   $request->print('</table></td></tr></table>');   }
       }
       $request->print('</table></td></tr></table>');
       $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');
 }  }
   
   sub processGroup {
       my ($request)  = shift;
       my $ctr        = 0;
       my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
         : ($ENV{'form.stuinfo'}));
       my $total      = scalar(@stuchecked)-1;
       if ($stuchecked[0] eq '') {
    &userError($request,'No student was selected for viewing/grading.');
    return;
       }
       foreach (@stuchecked) {
    my ($uname,$udom,$fullname) = split(/:/);
    $ENV{'form.student'} = $uname;
    $ENV{'form.fullname'} = $fullname;
    &submission($request,$ctr,$total);
    $ctr++;
       }
       return '';
   }
   
   sub userError {
       my ($request, $reason, $step) = @_;
       $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");
       $request->print('<b>Reason: </b>'.$reason.'<br /><br />'."\n");
       $request->print('<b>Step: </b>'.($step ne '' ? $step : 'Use your browser back button to correct')
       .'<br /><br />'."\n");
       return '';
   }
   
 #FIXME - needs to handle multiple matches  #FIXME - needs to handle multiple matches
 sub finduser {  sub finduser {
   my ($name) = @_;      my ($name) = @_;
   my $domain = '';      my $domain = '';
       if ( $Apache::grades::viewgrades eq 'F' ) {
   if ( $Apache::grades::viewgrades eq 'F' ) {   my ($classlist) = &getclasslist('all','0');
     #get classlist   foreach ( sort(@{ $$classlist{'all'} }) ) {
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      my ($posname,$posdomain) = split(/:/);
     #print "Found $cdom:$cnum<br />";      if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
     my (%classlist) = &getclasslist($cdom,$cnum,'0');   }
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {   return ($name,$domain);
       my ($posname,$posdomain) = split(/:/,$student);      } else {
       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }   return ($ENV{'user.name'},$ENV{'user.domain'});
     }      }
     return ($name,$domain);  
   } else {  
     return ($ENV{'user.name'},$ENV{'user.domain'});  
   }  
 }  }
   
 sub getclasslist {  sub getclasslist {
   my ($coursedomain,$coursenum,$hideexpired) = @_;      my ($getsec,$hideexpired) = @_;
   my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);      my $now = time;
   my $now = time;      my %classlist=&Apache::lonnet::dump('classlist',
   foreach my $student (keys(%classlist)) {   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
     my ($end,$start)=split(/:/,$classlist{$student});   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     # still a student?      my (@holdsec,@sections,%allids,%stusec,%fullname);
     if (($hideexpired) && ($end) && ($end < $now)) {      foreach (keys(%classlist)) {
       #print "Skipping:$name:$end:$now<br />\n";   my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});
       next;         # still a student?
    if (($hideexpired) && ($end) && ($end < $now)) {
       next;
    }
    $section = ($section ne '' ? $section : 'no');
    push @holdsec,$section;
    if ($getsec eq 'all' || $getsec eq $section) {
       push (@{ $classlist{$getsec} }, $_);
       $allids{$_}=$id;
       $stusec{$_}=$section;
       $fullname{$_}=$fullname;
    }
     }      }
     #print "record=$record<br>";      my %seen = ();
     push( @{ $classlist{'allids'} }, $student);      foreach my $item (@holdsec) {
   }   push (@sections, $item) unless $seen{$item}++;
   return (%classlist);      }
       return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);
 }  }
   
 sub getpartlist {  sub getpartlist {
   my ($url) = @_;      my ($url) = @_;
   my @parts =();      my @parts =();
   my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));      my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
   foreach my $key (@metakeys) {      foreach my $key (@metakeys) {
     if ( $key =~ m/stores_([0-9]+)_.*/) {   if ( $key =~ m/stores_([0-9]+)_.*/) {
       push(@parts,$key);      push(@parts,$key);
    }
     }      }
   }      return @parts;
   return @parts;  
 }  }
   
 sub viewstudentgrade {  sub print_hash {
   my ($url,$symb,$courseid,$student,@parts) = @_;      my ($request, $hash) = @_;
   my $result ='';      $request->print('<table border=1><tr><td>Key</td><td>Value</td></tr>');
   my $cellclr = '"#ffffdd"';      for (sort keys (%$hash)) {
   my ($username,$domain) = split(/:/,$student);   $request->print('<tr><td>'.$_.'</td><td>'.$$hash{$_}.'&nbsp;</td></tr>');
   
   my (@requests) = ('lastname','firstname','middlename','generation');  
   my (%name) = &Apache::lonnet::get('environment',\@requests,$domain,$username);  
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);  
   
   my $fullname=$name{'lastname'}.$name{'generation'};  
   if ($fullname =~ /[^\s]+/) { $fullname.=', '; }  
   $fullname.=$name{'firstname'}.' '.$name{'middlename'};  
   
   $result.="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";  
   foreach my $part (@parts) {  
     my ($temp,$part,$type)=split(/_/,$part);  
     my $score=$record{"resource.$part.$type"};  
     if ($type eq 'awarded' || $type eq 'tries') {  
       $result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.  
   '" value="'.$score.'" size="4" /></td>'."\n";  
     } elsif ($type eq 'solved') {  
       my ($status,$foo)=split(/_/,$score,2);  
       $result.="<td align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";  
       my $optsel = '<option>correct</option><option>incorrect</option><option>excused</option>'.  
   '<option>ungraded</option><option>handgraded</option><option>nothing</option>'."\n";  
       $status = 'nothing' if ($status eq '');  
       $optsel =~ s/<option>$status/<option selected="on">$status/;  
       $result.=$optsel;  
       $result.="</select></td>\n";  
     }      }
   }      $request->print('</table>');
   $result.='<td></td></tr>';      return '';
   return $result;  
 }  }
   #
   # --------------------------- show submissions of a student, option to grade --------
   sub submission {
       my ($request,$counter,$total) = @_;
   
 #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an      (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
 #interface based on that, also do that to above function.      if ($ENV{'form.student'} eq '') { &moreinfo($request,'Need student login id'); return ''; }
 sub setstudentgrade {      my ($uname,$udom) = &finduser($ENV{'form.student'});
   my ($url,$symb,$courseid,$student,@parts) = @_;      if ($uname eq '') { &moreinfo($request,'Unable to find student'); return ''; }
   
       my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
       if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
       my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
       $ENV{'form.vProb'} = $ENV{'form.vProb'} ne '' ? $ENV{'form.vProb'} : 'yes';
       my ($classlist,$seclist,$ids,$stusec,$fullname);
   
       # header info
       if ($counter == 0) {
    &sub_page_js($request);
    $request->print('<h2>&nbsp;<font color="#339933">Submission Record</font></h2>'.
    '<font size=+1>&nbsp;<b>Resource: </b>'.$url.'</font>');
   
    # option to display problem, only once else it cause problems with the form later 
    # since the problem has a form.
    if ($ENV{'form.vProb'} eq 'yes') {
       my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
         $ENV{'request.course.id'});
       my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
      $ENV{'request.course.id'});
       my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
       $result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';
       $result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';
       $result.='<b>Correct answer:</b><br />'.$companswer;
       $result.='</td></tr></table>';
       $result.='</td></tr></table><br />';
       $request->print($result);
    }
   
    # kwclr is the only variable that is guaranteed to be non blank if this subroutine has been called once.
    my %keyhash = ();
    if ($ENV{'form.kwclr'} eq '') {
       %keyhash = &Apache::lonnet::dump('nohist_handgrade',
        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
        $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
       my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
       $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
       $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
       $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
       $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
       $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
    $keyhash{$symb.'_subject'} : &Apache::lonnet::metadata($url,'title');
       $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
   
   my $result ='';   }
   my ($stuname,$domain) = split(/:/,$student);   $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);   '<input type="hidden" name="command"    value="handgrade" />'."\n".
   my %newrecord;   '<input type="hidden" name="refresh"    value="off" />'."\n".
    '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
   foreach my $part (@parts) {   '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
     my ($temp,$part,$type)=split(/_/,$part);   '<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\n".
     my $oldscore=$record{"resource.$part.$type"};   '<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};   '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
     print "old=$oldscore:new=$newscore:<br>";   '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
     if ($type eq 'solved') {   '<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
       my $update=0;   '<input type="hidden" name="response"   value="'.$ENV{'form.response'}.'">'."\n".
       if ($newscore eq 'nothing' ) {   '<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
  if ($oldscore ne '') {   '<input type="hidden" name="keywords"   value="'.$ENV{'form.keywords'}.'" />'."\n".
   $update=1;   '<input type="hidden" name="kwclr"      value="'.$ENV{'form.kwclr'}.'" />'."\n".
   $newscore = '';   '<input type="hidden" name="kwsize"     value="'.$ENV{'form.kwsize'}.'" />'."\n".
  }   '<input type="hidden" name="kwstyle"    value="'.$ENV{'form.kwstyle'}.'" />'."\n".
       } elsif ($oldscore !~ m/^$newscore/) {   '<input type="hidden" name="msgsub"     value="'.$ENV{'form.msgsub'}.'" />'."\n".
  $update=1;   '<input type="hidden" name="savemsgN"   value="'.$ENV{'form.savemsgN'}.'" />'."\n".
  $result.="Updating $stuname to $newscore<br />\n";   '<input type="hidden" name="NCT"'.
  if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }   ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }  
  if ($newscore eq 'excused') { $newscore = 'excused'; }   my ($cts,$prnmsg) = (1,'');
  if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }   while ($cts <= $ENV{'form.savemsgN'}) {
       } else {      $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";   ($keyhash{$symb.'_savemsg'.$cts} eq '' ? $ENV{'form.savemsg'.$cts} : $keyhash{$symb.'_savemsg'.$cts}).
       }   '" />'."\n";
       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }      $cts++;
     } else {   }
       if ($oldscore ne $newscore) {   $request->print($prnmsg);
  $newrecord{"resource.$part.$type"}=$newscore;  
  $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";   if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {
       } else {      $request->print(<<KEYWORDS);
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";  &nbsp;<b>Keyword Options:</b>&nbsp;
       }  <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>List</a>&nbsp; &nbsp;
   <a href="#" onMouseDown="javascript:getSel(); return false"
    CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
   <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
   KEYWORDS
           }
     }      }
   }      my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
   if ( scalar(keys(%newrecord)) > 0 ) {      my ($partlist,$handgrade) = &response_type($url);
     $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  #    &print_hash($request,\%record);
     print "grader=$newrecord{'resource.regrader'}:<br>records<br>";  
     while (my ($k,$v) = each %newrecord) {      # Student info
  print "k=$k:v=$v:<br>\n";      $request->print(($counter == 0 ? '' : '<br />'));
       my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom));
       my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'.
    '<table border="0" width=100%><tr bgcolor="#ffffff"><td>';
   
       $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$fullname.
    '</td><td>&nbsp; &nbsp;<b>Username: </b>'.$uname.
    '</td><td>&nbsp; &nbsp;<b>Domain: </b>'.$udom.'</td></tr>';
       if ($ENV{'form.handgrade'} eq 'yes') {
    my @col_list;
    ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');
    for (keys (%$handgrade)) {
       my $ncol = &Apache::lonnet::EXT('resource.'.$_.'.maxcollaborators',$symb,$udom,$uname);
       if ($ncol > 0) {
    s/\_/\./g;
    if ($record{'resource.'.$_.'.collaborators'} ne '') {
       my (@collaborators) = split(/,?\s+/,$record{'resource.'.$_.'.collaborators'});
       my (@badcollaborators);
       if (scalar(@collaborators) != 0) {
    $result.='<tr bgcolor="#ffffff"><td colspan=3><b>Collaborators: </b>';
    foreach my $collaborator (@collaborators) {
       $collaborator = $collaborator =~ /\@|:/ ? 
    (split(/@|:/,$collaborator))[0] : $collaborator;
       next if ($collaborator eq $uname);
       if (!grep /^$collaborator:/i,keys %$classlist) {
    push @badcollaborators,$collaborator;
    next;
       }
       push @col_list, $collaborator;
       $result.=$$fullname{$collaborator.':'.$udom}.' ('.$collaborator.') &nbsp; &nbsp;';
    }
    $result.='</td></tr>'."\n";
    $result.='<tr bgcolor="#ffbbbb"><td colspan=2>'.
       'This student has submitted '.(scalar (@badcollaborators) > 1 ? '' : 'an').
       ' invalid collaborator'.(scalar (@badcollaborators) > 1 ? 's. ' : '. ').
       (join ', ',@badcollaborators).'</td></tr>' 
       if (scalar(@badcollaborators) > 0);
   
    $result.='<tr bgcolor="#ffbbbb"><td colspan=2>'.
       'This student has submitted too many collaborators. Maximum is '.
       $ncol.'.</td></tr>' if (scalar(@collaborators) > $ncol);
    $result.='<input type="hidden" name="collaborator'.$counter.
       '" value="'.(join ':',@col_list).'" />'."\n";
       }
    }
       }
    }
     }      }
     &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);      $request->print($result.'</table>'."\n");
   
     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";      # print student answer
   }      if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
   return $result;   if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {
       my $submitby='</td></tr><tr><td bgcolor="#e6ffff">'.
    '<b>Collaborative submission by: </b>'.
    '<a href="javascript:viewSubmitter(\''.$ENV{'form.'.$uname.':'.$udom.':submitted_by'}.
    '\')"; TARGET=_self>'.
    $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
       $submitby.='</td></tr><tr><td bgcolor="#ffffff">'."\n";
       $request->print($submitby);
    } else {
       my ($string,$timestamp)=&get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});
       my $lastsubonly.='</td></tr><tr><td bgcolor="#e6ffff"><b>Last Submission Only</b>'.
    ($$timestamp eq '' ? '' : '&nbsp; &nbsp; <b>Date Submitted:</b> '.$$timestamp).'</td></tr>';
       if ($$timestamp eq '') {
    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';
       } else {
    for my $part (sort keys(%$handgrade)) {
       foreach (@$string) {
    my ($partid,$respid) = /^resource\.(\d+)\.(\d+)\.submission/;
    if ($part eq ($partid.'_'.$respid)) {
       my ($ressub,$subval) = split(/:/,$_,2);
       $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part ID</b> '.
    $partid.' <b>Response ID</b> '.$respid.
    ' <b>Submission</b> '.&keywords_highlight($subval).'</td></tr>'
    if ($ENV{'form.lastSub'} eq 'lastonly' || 
       ($ENV{'form.lastSub'} eq 'hdgrade' && $$handgrade{$part} =~ /:yes$/));
    }
       }
    }
       }
       $lastsubonly.='</td></tr><tr><td bgcolor="#ffffff">'."\n";
       $request->print($lastsubonly);
    }
       } else {
    $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
    $ENV{'request.course.id'},$last,
    '.submission','Apache::grades::keywords_highlight'));
       }
       
       # view submission with no grading option
       if ($ENV{'form.showgrading'} eq '') {
    $request->print('</td></tr></table></td></tr></table></form>');
    return;
       }
   
       $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
    '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
    '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
       $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
    ',\''.$fullname.'\')"; TARGET=_self>Compose Message</a><br />'."\n" if ($ENV{'form.handgrade'} eq 'yes');
       $request->print($result);
   
       my %seen = ();
       my @partlist;
       for (sort keys(%$handgrade)) {
    my ($partid,$respid) = split(/_/);
    next if ($seen{$partid} > 0);
    $seen{$partid}++;
    next if ($$handgrade{$_} =~ /:no$/);
    push @partlist,$partid;
    my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
    my $wgtmsg = ($wgt > 0 ? '(problem weight)' : '<font color="red">problem weight assigned by computer</font>');
    $wgt       = ($wgt > 0 ? $wgt : '1');
    my $score  = ($record{'resource.'.$partid.'.awarded'} eq '' ?
         '' : $record{'resource.'.$partid.'.awarded'}*$wgt);
   
    # display grading options
    $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />';
    $result.='<table border="0"><tr><td><b>Part </b>'.$partid.' <b>Points</b></td><td>';
   
    my $ctr = 0;
    $result.='<table border="0"><tr>';  # display radio buttons in a nice table 10 across
    while ($ctr<=$wgt) {
       $result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
    'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.'_'.$partid.
    ',this.form.GRADE_SEL'.$counter.'_'.$partid.','.$ctr.
    ',this.form.stores'.$counter.'_'.$partid.')" '.
    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
       $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
       $ctr++;
    }
    $result.='</tr></table>';
   
    $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';
    $result.='<td><input type="text" name="GRADE_BOX'.$counter.'_'.$partid.'"'.
       ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
       'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.
       ',this.form.GRADE_BOX'.$counter.'_'.$partid.
       ',this.form.GRADE_SEL'.$counter.'_'.$partid.
       ',this.form.stores'.$counter.'_'.$partid.')" /></td>'."\n";
    $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';
   
    $result.='<select name="GRADE_SEL'.$counter.'_'.$partid.'" '.
       'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.
       ',this.form.GRADE_BOX'.$counter.'_'.$partid.
       ',this.form.GRADE_SEL'.$counter.'_'.$partid.
       ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".
       '<option selected="on"> </option>'.
       '<option>excused</option></select>'."&nbsp&nbsp\n";
    $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';
    $result.='</td></tr></table>';
    $request->print($result);
       }
       $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");
       $request->print('</td></tr></table></td></tr></table>'."\n");
   
       # print end of form
       if ($counter == $total) {
    my $endform.='<table border="0"><tr><td><input type="submit" name="gradeOpt" value="Save & Next" />';
    my $ntstu ='<select name="NTSTU">'.
       '<option>1</option><option>2</option>'.
       '<option>3</option><option>5</option>'.
       '<option>7</option><option>10</option></select>'."\n";
    my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
    $ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
    $endform.=$ntstu.'student(s) &nbsp;&nbsp;'.
       '<input type="submit" name="gradeOpt" value="Next" />&nbsp'.
       '<input type="submit" name="gradeOpt" value="Previous" />&nbsp'.
       '(Next and Previous do not save the scores.)'.
       '</td><tr></table></form>';
    $request->print($endform);
       }
       return '';
 }  }
   
 # --------------------------- show submissions of a student, option to grade --------  sub get_last_submission {
 #      my ($symb,$username,$domain,$course)=@_;
 sub submission {      if ($symb) {
   my ($request) = @_;   my (@string,$timestamp);
   $request->print(<<JAVASCRIPT);   my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);
 <script type="text/javascript" language="javascript">   if ($returnhash{'version'}) {
     function updateRadio() {      my %lasthash=();
  var pts = document.SCORE.GRADE_BOX.value;      my ($version);
  var radioButton = document.SCORE.radval;      for ($version=1;$version<=$returnhash{'version'};$version++) {
  var checked  =true;   foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
  var unchecked=false;      $lasthash{$_}=$returnhash{$version.':'.$_};
  var resetbox =false;  
  if (isNaN(pts) || pts < 0) {  
     alert("A number equal or greater than 0 is expected. Entered value = "+pts);  
     for (var i=0; i<radioButton.length; i++) {  
  if (radioButton[i].checked) {  
     document.SCORE.GRADE_BOX.value = i;  
     resetbox = true;  
  }   }
     }      }
     if (!resetbox) {      foreach ((keys %lasthash)) {
  document.SCORE.GRADE_BOX.value = "";   if ($_ =~ /\.submission$/) {push @string, (join(':',$_,$lasthash{$_}))}
    if ($_ =~ /timestamp/) {$timestamp = scalar(localtime($lasthash{$_}))};
     }      }
     return;  
  }   }
    @string = $string[0] eq '' ? 'Nothing submitted - no attempts.' : @string;
    return \@string,\$timestamp;
       }
   }
   
  for (var i=0; i<radioButton.length; i++) {  sub keywords_highlight {
     radioButton[i].checked=unchecked;      my $string  = shift;
     if (pts == i) {      my $size    = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
  radioButton[i].checked=checked;      my $styleon = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
       (my $styleoff = $styleon) =~ s/\</\<\//;
       my @keylist = split(/[,\s+]/,$ENV{'form.keywords'});
       foreach (@keylist) {
    $string =~ s/\b$_(\b|\.)/\<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff\<\/font\>/gi;
       }
       return $string;
   }
   
   sub processHandGrade {
       my ($request) = shift;
       my $url    = $ENV{'form.url'};
       my $symb   = $ENV{'form.symb'};
       my $button = $ENV{'form.gradeOpt'};
       my $ngrade = $ENV{'form.NCT'};
       my $ntstu  = $ENV{'form.NTSTU'};
   
       my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
       my %keyhash = ();
       $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
       $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
       $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
       $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
       $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
       $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
       $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
   
       my ($ctr,$idx) = (1,1);
       while ($ctr <= $ENV{'form.savemsgN'}) {
    if ($ENV{'form.savemsg'.$ctr} ne '') {
       $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
       $idx++;
    }
    $ctr++;
       }
       $ctr = 0;
       while ($ctr < $ngrade) {
    if ($ENV{'form.newmsg'.$ctr} ne '') {
       $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
       $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
       $idx++;
    }
    $ctr++;
       }
       $ENV{'form.savemsgN'} = --$idx;
       $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
       my $putresult = &Apache::lonnet::put
    ('nohist_handgrade',\%keyhash,
    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
       if ($ENV{'form.refresh'} eq 'on') {
    my $ctr = 0;
    $ENV{'form.NTSTU'}=$ngrade;
    while ($ctr < $ngrade) {
       ($ENV{'form.student'},my $udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
       &submission($request,$ctr,$ngrade-1);
       $ctr++;
    }
    return '';
       }
   
       if ($button eq 'Save & Next') {
    my $ctr = 0;
    while ($ctr < $ngrade) {
       my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
       my ($errorflg) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
       return '' if ($errorflg eq 'error');
   
       my $includemsg = $ENV{'form.includemsg'.$ctr};
       my ($subject,$message,$msgstatus) = ('','','');
       if ($includemsg =~ /savemsg|new$ctr/) {
    $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
    my (@msgnum) = split(/,/,$includemsg);
    foreach (@msgnum) {
       $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
    }
    $message =~ s/\s+/ /g;
    $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
          $ENV{'form.msgsub'},$message);
       }
       if ($ENV{'form.collaborator'.$ctr}) {
    my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
    foreach (@collaborators) {
       &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
      $ENV{'form.unamedom'.$ctr});
       if ($message ne '') {
    $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
          $ENV{'form.msgsub'},
          $message);
       }
    }
       }
       $ctr++;
    }
       }
       my $firststu = $ENV{'form.unamedom0'};
       my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
       $ctr = 2;
       while ($laststu eq '') {
    $laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
    $ctr++;
    $laststu = $firststu if ($ctr > $ngrade);
       }
       my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
   
       my (@parsedlist,@nextlist);
       my ($nextflg) = 0;
       foreach ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
    if ($nextflg == 1 && $button =~ /Next$/) {
       push @parsedlist,$_;
    }
    $nextflg = 1 if ($_ eq $laststu);
    if ($button eq 'Previous') {
       last if ($_ eq $firststu);
       push @parsedlist,$_;
    }
       }
       $ctr = 0;
       my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
       @parsedlist = reverse @parsedlist if ($button eq 'Previous');
       foreach my $student (@parsedlist) {
    my ($uname,$udom) = split(/:/,$student);
    if ($ENV{'form.submitonly'} eq 'yes') {
       my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist) ;
       my $statusflg = '';
       foreach (keys(%status)) {
    $statusflg = 1 if ($status{$_} ne 'nothing');
    my ($foo,$partid,$foo) = split(/\./,$_);
    $statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
     }      }
       next if ($statusflg eq '');
  }   }
    push @nextlist,$student if ($ctr < $ntstu);
    $ctr++;
     }      }
   
 </script>      $ctr = 0;
 JAVASCRIPT      my $total = scalar(@nextlist)-1;
   my $url=$ENV{'form.url'};  
   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;  
   if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }  
   my ($uname,$udom) = &finduser($ENV{'form.student'});  
   if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }  
   
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      foreach (sort @nextlist) {
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }   my ($uname,$udom,$submitter) = split(/:/);
 #   $ENV{'form.student'} = $uname;
 # header info   $ENV{'form.fullname'} = $$fullname{$_};
   my $result='<h2><font color="#339933">Submission Record</font></h2>';  # $ENV{'form.'.$_.':submitted_by'} = $submitter;
   $result.='<table border="0"><tr><td><b>Username: </b>'.$uname.'</td><td><b>Fullname: </b>'.$ENV{'form.fullname'}.'</td><td><b>Domain: </b>'.$udom.'</td></tr>';  # print "submitter=$ENV{'form.'.$_.':submitted_by'}= $submitter:<br>";
   $result.='<tr><td colspan=3><b>Resource: </b>'.$url.'</td></tr></table>';   &submission($request,$ctr,$total);
 #   $ctr++;
 # option to display problem      }
   if ($ENV{'form.vProb'} eq 'yes') {      if ($total < 0) {
       my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,   my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
    $ENV{'request.course.id'});   $the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
       my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,   $the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
  $ENV{'request.course.id'});   $the_end.=&show_grading_menu_form ($symb,$url);
       $result.='<table border="0"><tr><td bgcolor="#777777">';   $request->print($the_end);
       $result.='<table border="0"><tr><td bgcolor="#e6ffff">';      }
       $result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';      return '';
       $result.='<b>Correct answer:</b><br />'.$companswer;  
       $result.='</td></tr></table>';  
       $result.='</td></tr></table><br />';  
   }  
   my $last = '';  
   $last = 'last' if ($ENV{'form.submission'} eq 'last');  
   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,  
       $ENV{'request.course.id'},$last);  
   $result.=$answer;  
   
   my $wgt   = &Apache::lonnet::EXT('resource.partid.weight',$symb,$udom,$uname);  
   my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);  
   my $score = $record{'resource.0.awarded'}*$wgt;  
   
   $result.= '<form action="/adm/grades" method="post" name="SCORE">'."\n".  
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="handgrade" />'."\n";  
   
   $result.='<table border="0"><tr><td><b>Points</b></td><td>';  
   my $ctr = 0;  
   while ($ctr<=$wgt) {  
       $result.= '<input type="radio" name="radval" '.  
 #  'onclick="javascript:writeBox(\'GRADE_'.$ENV{'form.student'}.'\',\''.$ctr.'\')" '.  
   'onclick="javascript:SCORE.GRADE_BOX.value='.$ctr.'" '.  
   ($score == $ctr? 'checked':'').' /> '.$ctr."\n";  
       $ctr++;  
   }  
   $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';  
   $result.='<td><input type="text" name="GRADE_BOX"'.  
       ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.  
       'onChange="javascript:updateRadio()" /></td>'."\n";    
   $result.='<td>/'.$wgt.' (problem weight)</td></tr>';  
   
   $result.='<input type="hidden" name="GRADE_'.$uname.':'.$udom.'" value="handgraded" />'."\n";  
   $result.='<tr><td colspan="5"><input type="submit" name="gradeOpt" value="Save & Next" />&nbsp;';  
   $result.='<input type="submit" name="gradeOpt" value="Next" />&nbsp';  
   $result.='<input type="submit" name="gradeOpt" value="Previous" />&nbsp';  
   $result.='</td><tr></table></form>';  
   return $result;  
 }  }
   
 sub processHandGrade {  sub saveHandGrade {
   my ($url,$symb,$courseid,$student,@parts) = @_;      my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;
   #   my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
   my ($stuname,$domain) = split(/:/,$student);      my %newrecord;
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);      foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
   my %newrecord;   if ($ENV{'form.GRADE_SEL'.$newflg.'_'.$_} eq 'excused') {
       $newrecord{'resource.'.$_.'.solved'} = 'excused';
   foreach my $part (@parts) {   } else {
     my ($temp,$part,$type)=split(/_/,$part);      my $pts    = ($ENV{'form.GRADE_BOX'.$newflg.'_'.$_} ne '' ? 
     my $oldscore=$record{"resource.$part.$type"};    $ENV{'form.GRADE_BOX'.$newflg.'_'.$_} : $ENV{'form.RADVAL'.$newflg.'_'.$_});
     my $newscore=($ENV{'form.GRADE_BOX'} ne '' ? $ENV{"form.GRADE_BOX"} : $ENV{'form.radval'});      if ($pts eq '') {
     if ($type eq 'solved') {   &userError($request,'No point was assigned for part id '.$_.' and for username '.$stuname.'.');
       my $update=0;   return 'error';
       if ($newscore eq 'nothing' ) {      }
  if ($oldscore ne '') {      my $wgt    = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : $ENV{'form.WGT'.$newflg.'_'.$_};
   $update=1;      my $partial= $pts/$wgt;
   $newscore = '';      $newrecord{'resource.'.$_.'.awarded'}  = $partial;
  }      if ($partial == 0) {
       } elsif ($oldscore !~ m/^$newscore/) {   $newrecord{'resource.'.$_.'.solved'} = 'incorrect_by_override';
  $update=1;      } else {
  if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }   $newrecord{'resource.'.$_.'.solved'} = 'correct_by_override';
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }      }
  if ($newscore eq 'excused')   { $newscore = 'excused'; }      $newrecord{'resource.'.$_.'.submitted_by'} = $submitter if ($submitter);
  if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }   }
  if ($newscore eq 'handgraded') { $newscore = 'handgraded_by_grader'; }  
       }  
       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }  
     } else {  
       if ($oldscore ne $newscore) {  
  $newrecord{"resource.$part.$type"}=$newscore;  
     }      }
   }      
   if ( scalar(keys(%newrecord)) > 0 ) {      if ( scalar(keys(%newrecord)) > 0 ) {
     $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";   $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
     print "grader=$newrecord{'resource.regrader'}:<br>records<br>";  # &print_hash($request,\%newrecord);
     while (my ($k,$v) = each %newrecord) {   &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname);
  print "k=$k:v=$v:<br>\n";  
     }      }
     &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);      return '';
   }  
   return '';  
 }  }
   
 sub get_symb_and_url {  sub get_symb_and_url {
  my ($request) = @_;      my ($request) = @_;
   my $url=$ENV{'form.url'};      (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
 #  my $symb=$ENV{'form.symb'};      if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
 #  if (!$symb) { $symb=&Apache::lonnet::symbread($url); }      return ($symb,$url);
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));  
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }  
  return ($symb,$url);  
 }  
   
 sub view_edit_entire_class_form {  
   my ($symb,$url)=@_;  
   my $result.='<form action="/adm/grades" method="post">'."\n".  
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="viewgrades" />'."\n".  
   '<input type="submit" name="submit" value="View/Grade Entire Class" />'."\n".  
     '</form>'."\n";  
   return $result;  
 }  }
   
 sub show_grading_menu_form {  sub show_grading_menu_form {
   my ($symb,$url)=@_;      my ($symb,$url)=@_;
   my $result.='<form action="/adm/grades" method="post">'."\n".      my $result.='<form action="/adm/grades" method="post">'."\n".
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".   '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  '<input type="hidden" name="command" value="gradingmenu" />'."\n".   '<input type="hidden" name="command" value="gradingmenu" />'."\n".
   '<input type="submit" name="submit" value="Grading Menu" />'."\n".   '<input type="submit" name="submit" value="Grading Menu" />'."\n".
     '</form>'."\n";   '</form>'."\n";
   return $result;      return $result;
 }  }
   
 sub gradingmenu {  sub gradingmenu {
   my ($request) = @_;      my ($request) = @_;
   my ($symb,$url)=&get_symb_and_url($request);      my ($symb,$url)=&get_symb_and_url($request);
   if (!$symb) {return '';}      if (!$symb) {return '';}
       my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';
   my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2><br />';      $result.='<table border="0">';
   $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';
   $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";      my ($partlist,$handgrade) = &response_type($url);
   $result.='&nbsp;<b>Resource :</b> '.$url.'</td></tr>'."\n";      my ($resptype,$hdgrade)=('','no');
   $result.='<tr bgcolor=#ffffe6><td>'."\n";      for (sort keys(%$handgrade)) {
   $result.=&view_edit_entire_class_form($symb,$url);   my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
   $result.='<form action="/adm/grades" method="post">'."\n".   $resptype = $responsetype;
      '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".   $hdgrade = $handgrade if ($handgrade eq 'yes');
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".   $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.
  '<input type="hidden" name="command" value="csvupload" />'."\n".      '<td><b>Type: </b>'.$responsetype.'</td>'.
   '<input type="submit" name="submit" value="Upload Scores" />'."\n".      '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
     '</form>'."\n";      }
   $result.='<form action="/adm/grades" method="post">'."\n".      $result.='</table>';
      '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      $result.=&view_edit_entire_class_form($symb,$url).'<br />';
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".      $result.=&upcsvScores_form($symb,$url).'<br />';
  '<input type="hidden" name="command" value="submission" />'."\n".      $result.=&viewGradeaStu_form($symb,$url,$resptype,$hdgrade).'<br />';
   '<input type="submit" name="submit" value="View/Grade A Student" />'."\n".      $result.=&verifyReceipt_form($symb,$url).'<br />';
     '</form>'."\n";      $result.=&view_classlist_form($symb,$url);
   $result.='<form action="/adm/grades" method="post">'."\n".  
      '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      return $result;
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  }
  '<input type="hidden" name="command" value="receiptInput" />'."\n".  
   '<input type="submit" name="submit" value="Verify Receipt" />'."\n".  sub view_classlist_form {
     '</form>'."\n";      my ($symb,$url)=@_;
   $result.='</td></tr></table>'."\n";      my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
   $result.='</td></tr></table>'."\n";      $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
   return $result;      $result.='&nbsp;<b>View Class List</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       $result.='<form action="/adm/grades" method="post">'."\n".
    '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="viewclasslist" />'."\n";
       $result.='&nbsp;<input type="submit" name="submit" value="View Class" /></form>'."\n";
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub viewclasslist {
       my ($request) = shift;
       my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});
       my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
       $request->print('<table border=1>');
       foreach (sort keys(%classlist)) {
   #    my ($unam,$udom) = split(/:/,$_,2);
   #    my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
   #    my $fullname = &get_fullname ($unam,$udom);
   #    my @uname;
   #    $uname[0]=$unam;
   #    my %userid=&Apache::lonnet::idrget($udom,@uname);
   #    my $value=$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;
   #    $classlist{$_}=$value;
    $request->print('<tr><td>'.$_.' </td><td><pre> '.$classlist{$_}.'</pre></td></tr>');
       }
       $request->print('</table>');
   #  my $putresult = &Apache::lonnet::put
   #      ('classlist',\%classlist,
   #       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
   #       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
       return '';
   }
   
   sub view_edit_entire_class_form {
       my ($symb,$url)=@_;
       my ($classlist,$sections) = &getclasslist('all','0');
       my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
       $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>View/Grade Entire Section/Class</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       $result.='<form action="/adm/grades" method="post">'."\n".
    '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="viewgrades" />'."\n";
       $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";
       foreach (sort (@$sections)) {
    $result.= '<option>'.$_.'</option>'."\n";
       }
       $result.= '<option selected="on">all</select>'."<br />\n";
   #    $result.='&nbsp;<b>Display students who has: </b>'.
   # '<input type="radio" name="submitonly" value="yes" checked> submitted'.
   # '<input type="radio" name="submitonly" value="all"> everybody <br /><br />';
       $result.='&nbsp;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub upcsvScores_form {
       my ($symb,$url) = @_;
       if (!$symb) {return '';}
       my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
       $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       my $upfile_select=&Apache::loncommon::upfile_select_html();
     $result.=<<ENDUPFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   <input type="hidden" name="symb" value="$symb" />
   <input type="hidden" name="url" value="$url" />
   <input type="hidden" name="command" value="csvuploadmap" />
   $upfile_select
   <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />
   </form>
   ENDUPFORM
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub viewGradeaStu_form {
       my ($symb,$url,$response,$handgrade) = @_;
       my ($classlist,$sections) = &getclasslist('all','0');
       my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
       $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       $result.='<form action="/adm/grades" method="post">'."\n".
    '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="response" value="'.$response.'" />'."\n".
    '<input type="hidden" name="handgrade" value="'.$handgrade.'" />'."\n".
    '<input type="hidden" name="showgrading" value="yes" />'."\n".
    '<input type="hidden" name="command" value="submission" />'."\n";
   
       $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";
       foreach (sort (@$sections)) {
    $result.= '<option>'.$_.'</option>'."\n";
       }
       $result.= '<option selected="on">all</select>'."\n";
       $result.='&nbsp;&nbsp;<b>Display students who has: </b>'.
    '<input type="radio" name="submitonly" value="yes" checked> submitted'.
    '<input type="radio" name="submitonly" value="all"> everybody <br />';
       $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
    if (grep /no/,@$sections);
       
       $result.='<br />&nbsp;<input type="submit" name="submit" value="View/Grade" />'."\n".
    '</form>'."\n";
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub verifyReceipt_form {
       my ($symb,$url) = @_;
       my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};
       my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};
       my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});
   
       my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
       $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";
       $result.='&nbsp;<b>Verify a Submission Receipt Issued by this Server</td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       $result.='<form action="/adm/grades" method="post">'."\n";
       $result.='&nbsp;<tt>'.$hostver.'-<input type="text" name="receipt" size="4"></tt><br />'."\n";
       $result.='&nbsp;<input type="submit" name="submit" value="Verify Receipt">'."\n";
       $result.='<input type="hidden" name="command" value="verify">'."\n";
       if ($ENV{'form.url'}) {
    $result.='<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />';
       }
       if ($ENV{'form.symb'}) {
    $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';
       }
       $result.='</form>';
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub viewgrades_js {
       my ($request) = shift;
   
       $request->print(<<VIEWJAVASCRIPT);
   <script type="text/javascript" language="javascript">
       function viewOneStudent(user) {
    document.onestudent.student.value = user;
    document.onestudent.submit();
       }
   
       function writePoint(partid,weight,point) {
    var radioButton = eval("document.classgrade.RADVAL_"+partid);
    var textbox = eval("document.classgrade.TEXTVAL_"+partid);
    if (point == "textval") {
       var point = eval("document.classgrade.TEXTVAL_"+partid+".value");
       if (isNaN(point) || point < 0) {
    alert("A number equal or greater than 0 is expected. Entered value = "+point);
    var resetbox = false;
    for (var i=0; i<radioButton.length; i++) {
       if (radioButton[i].checked) {
    textbox.value = i;
    resetbox = true;
       }
    }
    if (!resetbox) {
       textbox.value = "";
    }
    return;
       }
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
    if (point == i) {
       radioButton[i].checked=true;
    }
       }
   
    } else {
       textbox.value = point;
    }
    for (i=0;i<document.classgrade.total.value;i++) {
       var user = eval("document.classgrade.counter"+i+".value");
       var scorename = eval("document.classgrade.GRADE_"+user+
    "_"+partid+"_awarded");
       var saveval   = eval("document.classgrade.GRADE_"+user+
    "_"+partid+"_solved_save.value");
       var selname   = eval("document.classgrade.GRADE_"+user+"_"+partid+"_solved");
       if (saveval != "correct") {
    scorename.value = point;
    selname[0].selected = true;
       }
    }
    var selval   = eval("document.classgrade.SELVAL_"+partid);
    selval[0].selected = true;
       }
   
       function writeRadText(partid,weight) {
    var selval   = eval("document.classgrade.SELVAL_"+partid);
    if (selval[1].selected) {
       var radioButton = eval("document.classgrade.RADVAL_"+partid);
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
   
       }
       var textbox = eval("document.classgrade.TEXTVAL_"+partid);
       textbox.value = "";
   
       for (i=0;i<document.classgrade.total.value;i++) {
    var user = eval("document.classgrade.counter"+i+".value");
    var scorename = eval("document.classgrade.GRADE_"+user+
        "_"+partid+"_awarded");
    var saveval   = eval("document.classgrade.GRADE_"+user+
        "_"+partid+"_solved_save.value");
    var selname   = eval("document.classgrade.GRADE_"+user+
        "_"+partid+"_solved");
    if (saveval != "correct") {
       scorename.value = "";
       selname[1].selected = true;
    }
       }
    }
       }
   
       function changeSelect(partid,user) {
    var selval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_solved");
    selval[0].selected = true;
       }
   
       function changeOneScore(partid,user) {
    var selval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_solved");
    if (selval[1].selected) {
       var boxval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_awarded");
       boxval.value = "";
    }
       }
   
       function resetEntry(numpart) {
    for (ctpart=0;ctpart<numpart;ctpart++) {
       var partid = eval("document.classgrade.partid_"+ctpart+".value");
       var radioButton = eval("document.classgrade.RADVAL_"+partid);
       var textbox = eval("document.classgrade.TEXTVAL_"+partid);
       var selval  = eval("document.classgrade.SELVAL_"+partid);
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
   
       }
       textbox.value = "";
       selval[0].selected = true;
   
       for (i=0;i<document.classgrade.total.value;i++) {
    var user = eval("document.classgrade.counter"+i+".value");
    var resetscore = eval("document.classgrade.GRADE_"+user+
         "_"+partid+"_awarded");
    resetscore.value = eval("document.classgrade.GRADE_"+user+
    "_"+partid+"_awarded_save.value");
   
    var saveselval   = eval("document.classgrade.GRADE_"+user+
        "_"+partid+"_solved_save.value");
   
    var selname   = eval("document.classgrade.GRADE_"+user+"_"+partid+"_solved");
    if (saveselval == "excused") {
       selname[1].selected = true;
    } else {
       selname[0].selected = true;
    }
       }
    }
       }
   
   
   </script>
   VIEWJAVASCRIPT
 }  }
   
 sub viewgrades {  sub viewgrades {
   my ($request) = @_;      my ($request) = shift;
   my $result='';      &viewgrades_js($request);
   
       my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
       $request->print ('<h2><font color="#339933">Manual Grading</font></h2>');
   
   #get resource reference      my $result='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font>'."\n";
   my ($symb,$url)=&get_symb_and_url($request);  
   if (!$symb) {return '';}      #view individual student submission form - called using Javascript viewOneStudent
   #get classlist      $result.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});   '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
   #print "Found $cdom:$cnum<br />";   '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
   my (%classlist) = &getclasslist($cdom,$cnum,'0');   '<input type="hidden" name="command" value="submission" />'."\n".
   my $headerclr = '"#ccffff"';   '<input type="hidden" name="student" value="" />'."\n".
   my $cellclr = '"#ffffcc"';   '</form>'."\n";
   
   #get list of parts for this problem      #start the form
   my (@parts) = sort(&getpartlist($url));      $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
    '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
   $request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");   '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
   
   #start the form  
   $result = '<form action="/adm/grades" method="post">'."\n".  
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="editgrades" />'."\n".   '<input type="hidden" name="command" value="editgrades" />'."\n".
   '<input type="submit" name="submit" value="Submit Changes" />'."\n".   '<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n";
     '<table border=0><tr><td bgcolor="#777777">'."\n".  
      '<table border=0>'."\n".      $result.='To assign the same score for all the students use the radio buttons or '.
       '<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>'."\n";   'text box below. To assign scores individually fill in the score boxes for '.
   foreach my $part (@parts) {   'each student in the table below. <font color="red">A score that has already '.
      my $display=&Apache::lonnet::metadata($url,$part.'.display');   'been graded does not get changed using the radio buttons or text box. '.
      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }   'If needed, it has to be changed individually.</font>';
       print "Manual grading:$url:$part:$display:<br>";  
      $result.='<td><b>'.$display.'</b></td>'."\n";      my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
   }      my %weight = ();
   $result.='</tr>';      my $ctsparts = 0;
   #get info for each student      $result.='<table border="0">';
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {      for (sort keys(%$handgrade)) {
     my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);   my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
 #      print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";   my ($partid,$respid) = split (/_/);
     $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);   my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
   }   $weight{$partid} = $wgt eq '' ? '1' : $wgt;
   $result.='</table></td></tr></table>';  
   $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';   $result.='<input type="hidden" name="partid_'.$ctsparts.'" value="'.$partid.'" />'."\n";
   $result.=&show_grading_menu_form($symb,$url);   $result.='<tr><td><b>Part ID:</b> '.$partid.'&nbsp; &nbsp;</td><td>';
   return $result;   $result.='<table border="0"><tr>';  
    my $ctr = 0;
    while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
       $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.
    'onclick="javascript:writePoint('.$partid.','.$weight{$partid}.
    ','.$ctr.')" />'.$ctr."</td>\n";
       $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
       $ctr++;
    }
    $result.='</tr></table>';
    $result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.$partid.'" size="4" '.
       'onChange="javascript:writePoint('.$partid.','.$weight{$partid}.',\'textval\')" /> /'.
       $weight{$partid}.' (problem weight)</td>'."\n";
    $result.= '</td><td><select name="SELVAL_'.$partid.'"'.
       'onChange="javascript:writeRadText('.$partid.','.$weight{$partid}.')" /> '.
       '<option selected="on"> </option>'.
       '<option>excused</option></select></td></tr>'."\n";
    $ctsparts++;
       }
       $result.='</table><input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
       $result.='<input type="button" value="Reset" '.
    'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self> &nbsp &nbsp;';
       $result.= '<input type="submit" name="submit"  value="Submit Changes" />'."\n";
   
       $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
    '<table border=0><tr bgcolor="#deffff">'.
    '<td><b>Username</b></td><td><b>Fullname</b></td><td><b>Domain</b></td>'."\n";
       #get list of parts for this problem
       my (@parts) = sort(&getpartlist($url));
       foreach my $part (@parts) {
    my $display=&Apache::lonnet::metadata($url,$part.'.display');
    next if ($display =~ /^Number of Attempts/);
    if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
    if ($display =~ /^Partial Credit Factor/) {
       $_ = $display;
       my ($partid) = /.*?(\d+).*/;
       $result.='<td><b>Score Part '.$partid.'<br>(weight = '.
    $weight{$partid}.')</b></td>'."\n";
       next;
    }
    $display =~ s/Problem Status/Grade Status<br>/;
    $result.='<td><b>'.$display.'</b></td>'."\n";
       }
       $result.='</tr>';
       #get info for each student
       my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
       my $ctr = 0;
       foreach ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
    (my $username = $_) = split(/:/);
    $result.='<input type="hidden" name="counter'.$ctr.'" value="'.$username.'" />'."\n";
    $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
      $_,$$fullname{$_},\@parts,\%weight);
    $ctr++;
       }
       $result.='</table></td></tr></table>';
       $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
       $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
       $result.=&show_grading_menu_form($symb,$url);
       return $result;
 }  }
   
   sub viewstudentgrade {
       my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;
       my ($username,$domain) = split(/:/,$student);
       my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
       my $result='<tr bgcolor="#ffffdd"><td>'.
    '<a href="javascript:viewOneStudent(\''.$username.'\')"; TARGET=_self>'.$username.'</a>'.
    '</td><td>'.$fullname.'</td><td align="middle">'.$domain.'</td>'."\n";
       foreach my $part (@$parts) {
    my ($temp,$part,$type)=split(/_/,$part);
    my $score=$record{"resource.$part.$type"};
    next if $type eq 'tries';
    if ($type eq 'awarded') {
       my $pts = $score eq '' ? '' : $score*$$weight{$part};
       $result.='<input type="hidden" name="'.
    'GRADE_'.$username.'_'.$part.'_awarded_save" value="'.$pts.'" />'."\n";
       $result.='<td align="middle"><input type="text" name="'.
    'GRADE_'.$username.'_'.$part.'_awarded"'.
    'onChange="javascript:changeSelect('.$part.',\''.$username.'\')" value="'.
    $pts.'" size="4" /></td>'."\n";
    } elsif ($type eq 'solved') {
       my ($status,$foo)=split(/_/,$score,2);
       $status = 'nothing' if ($status eq '');
       $result.='<input type="hidden" name="'.
    'GRADE_'.$username.'_'.$part.'_solved_save" value="'.$status.'" />'."\n";
       $result.='<td align="middle"><select name="'.
    'GRADE_'.$username.'_'.$part.'_solved" '.
    'onChange="javascript:changeOneScore('.$part.',\''.$username.'\')" >'."\n";
       my $optsel = '<option selected="on"> </option><option>excused</option>'."\n";
       $optsel = '<option> </option><option selected="on">excused</option>'."\n"
    if ($status eq 'excused');
       $result.=$optsel;
       $result.="</select></td>\n";
    }
       }
       $result.='</tr>';
       return $result;
   }
   
   
 sub editgrades {  sub editgrades {
   my ($request) = @_;      my ($request) = @_;
   my $result='';  
   
   my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }      if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
   my $url=$ENV{'form.url'};      my $url=$ENV{'form.url'};
   #get classlist  
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      my $result.='<form action="/adm/grades" method="post">'."\n".
   #print "Found $cdom:$cnum<br />";   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
   my (%classlist) = &getclasslist($cdom,$cnum,'0');   '<input type="hidden" name="url" value="'.$url.'" />'."\n".
   
   #get list of parts for this problem  
   my (@parts) = &getpartlist($url);  
   
   $result.='<form action="/adm/grades" method="post">'."\n".  
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="viewgrades" />'."\n".   '<input type="hidden" name="command" value="viewgrades" />'."\n".
   '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";   '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
       
       my (@parts) = &getpartlist($url);
       my ($classlist) = &getclasslist($ENV{'form.section'},'0');
       foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
    $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
       }
   
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {      $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);      return $result;
   }  }
   
   
   #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an
   #interface based on that, also do that to above function.
   sub setstudentgrade {
       my ($url,$symb,$courseid,$student,@parts) = @_;
       my $result ='';
       my ($stuname,$domain) = split(/:/,$student);
       my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
       my %newrecord;
   
       foreach my $part (@parts) {
    my ($temp,$part,$type)=split(/_/,$part);
    my $oldscore=$record{"resource.$part.$type"};
    my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
    if ($type eq 'solved') {
       my $update=0;
       if ($newscore eq 'nothing' ) {
    if ($oldscore ne '') {
       $update=1;
       $newscore = '';
    }
       } elsif ($oldscore !~ m/^$newscore/) {
    $update=1;
    $result.="Updating $stuname to $newscore<br />\n";
    if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }
    if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
    if ($newscore eq 'excused')   { $newscore = 'excused'; }
    if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }
       } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
       }
       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
    } else {
       if ($oldscore ne $newscore) {
    $newrecord{"resource.$part.$type"}=$newscore;
    $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";
       } else {
    #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
       }
    }
       }
       if ( scalar(keys(%newrecord)) > 0 ) {
    $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
   #       &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
   
   $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';   $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
   return $result;      }
       return $result;
 }  }
   
 sub csvupload {  
   my ($request)= @_;  sub sub_page_js {
   my $result;      my $request = shift;
   my ($symb,$url)=&get_symb_and_url($request);      $request->print(<<SUBJAVASCRIPT);
   if (!$symb) {return '';}  <script type="text/javascript" language="javascript">
   my $upfile_select=&Apache::loncommon::upfile_select_html();    function updateRadio(radioButton,formtextbox,formsel,scores) {
   $result.=<<ENDUPFORM;       var pts = formtextbox.value;
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">       var resetbox =false;
 <input type="hidden" name="symb" value="$symb" />       if (isNaN(pts) || pts < 0) {
 <input type="hidden" name="url" value="$url" />   alert("A number equal or greater than 0 is expected. Entered value = "+pts);
 <input type="hidden" name="command" value="csvuploadmap" />   for (var i=0; i<radioButton.length; i++) {
 <hr />     if (radioButton[i].checked) {
 <h3>Specify a file containing the class grades for resource $url</h3>        formtextbox.value = i;
 $upfile_select        resetbox = true;
 <p><input type="submit" name="submit" value="Upload Grades" />     }
 ENDUPFORM   }
   return $result;   if (!resetbox) {
      formtextbox.value = "";
    }
    return;
       }
   
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
    if (pts == i) {
      radioButton[i].checked=true;
    }
       }
       updateSelect(formsel);
       scores.value = "0";
     }
   
     function writeBox(formrad,formsel,pts,scores) {
       formrad.value = pts;
       scores.value = "0";
       updateSelect(formsel,pts);
       return;
     }
   
     function clearRadBox(radioButton,formbox,formsel,scores) {
       for (var i=0; i<formsel.length; i++) {
    if (formsel[i].selected) {
       var selectx=i;
    }
       }
       if (selectx == scores.value) { return };
       formbox.value = "";
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
       }
       scores.value = selectx;
     }
   
     function updateSelect(formsel) {
       formsel[0].selected = true;
       return;
     }
   
   //===================== Show list of keywords ====================
     function keywords(keyform) {
       var keywds = keyform.value;
       var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);
       if (nret==null) return;
       keyform.value = nret;
       return;
     }
   
   //===================== Script to view submitted by ==================
     function viewSubmitter(submitter) {
       document.SCORE.refresh.value = "on";
       document.SCORE.NCT.value = "1";
       document.SCORE.unamedom0.value = submitter;
       document.SCORE.submit();
       return;
     }
   
   //===================== Script to add keyword(s) ==================
     function getSel() {
       if (document.getSelection) txt = document.getSelection();
       else if (document.selection) txt = document.selection.createRange().text;
       else return;
       var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
       if (cleantxt=="") {
    alert("Select a word or group of words from document and then click this link.");
    return;
       }
       var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
       if (nret==null) return;
       var curlist = document.SCORE.keywords.value;
       document.SCORE.keywords.value = curlist+" "+nret;
       return;
     }
   
   //====================== Script for composing message ==============
     function msgCenter(msgform,usrctr,fullname) {
       var Nmsg  = msgform.savemsgN.value;
       savedMsgHeader(Nmsg,usrctr,fullname);
       var subject = msgform.msgsub.value;
       var rtrchk  = eval("document.SCORE.includemsg"+usrctr);
       var msgchk = rtrchk.value;
   //    alert("checked=>"+msgchk);
       re = /msgsub/;
       var shwsel = "";
       if (re.test(msgchk)) { shwsel = "checked" }
       displaySubject(subject,shwsel);
       for (var i=1; i<=Nmsg; i++) {
    var testpt = "savemsg"+i+",";
    re = /testpt/;
    shwsel = "";
    if (re.test(msgchk)) { shwsel = "checked" }
    var message = eval("document.SCORE.savemsg"+i+".value");
    displaySavedMsg(i,message,shwsel);
       }
       newmsg = eval("document.SCORE.newmsg"+usrctr+".value");
       shwsel = "";
       re = /newmsg/;
       if (re.test(msgchk)) { shwsel = "checked" }
       newMsg(newmsg,shwsel);
       msgTail(); 
       return;
     }
   
     function savedMsgHeader(Nmsg,usrctr,fullname) {
       var height = 30*Nmsg+250;
       var scrollbar = "no";
       if (height > 600) {
    height = 600;
    scrollbar = "yes";
       }
   /*    if (window.pWin)
    window.pWin.close(); */
       pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);
       pWin.document.write("<html><head>");
       pWin.document.write("<title>Message Central</title>");
   
       pWin.document.write("<script language=javascript>");
       pWin.document.write("function checkInput() {");
       pWin.document.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");
       pWin.document.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
       pWin.document.write("  var usrctr = document.msgcenter.usrctr.value;");
       pWin.document.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");
       pWin.document.write("  newval.value = document.msgcenter.newmsg.value;");
   
       pWin.document.write("  var msgchk = \\"\\";");
       pWin.document.write("  if (document.msgcenter.subchk.checked) {");
       pWin.document.write("     msgchk = \\"msgsub,\\";");
       pWin.document.write("  }");
       pWin.document.write(   "for (var i=1; i<=nmsg; i++) {");
       pWin.document.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");
       pWin.document.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");
       pWin.document.write("      opnmsg.value = frmmsg.value;");
       pWin.document.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");
       pWin.document.write("      if (chkbox.checked) {");
       pWin.document.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
       pWin.document.write("      }");
       pWin.document.write("  }");
       pWin.document.write("  if (document.msgcenter.newmsgchk.checked) {");
       pWin.document.write("     msgchk += \\"newmsg\\"+usrctr;");
       pWin.document.write("  }");
       pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");
       pWin.document.write("  includemsg.value = msgchk;");
   
   //    pWin.document.write("  alert(\\"slected=\\"+msgchk)");
       pWin.document.write("  self.close()");
   
       pWin.document.write("}");
   
       pWin.document.write("<");
       pWin.document.write("/script>");
   
       pWin.document.write("</head><body bgcolor=white>");
   
       pWin.document.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
       pWin.document.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
       pWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
   
       pWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       pWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
       pWin.document.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
   }
       function displaySubject(msg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td>Subject</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+" \\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
   function displaySavedMsg(ctr,msg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td align=\\"center\\">"+ctr+"</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
     function newMsg(newmsg,shwsel) {
       pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       pWin.document.write("<td align=\\"center\\">New</td>");
       pWin.document.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
   }
   
     function msgTail() {
       pWin.document.write("</table>");
       pWin.document.write("</td></tr></table>&nbsp;");
       pWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
       pWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       pWin.document.write("</form>");
       pWin.document.write("</body></html>");
   }
   
   //====================== Script for keyword highlight options ==============
     function kwhighlight() {
       var kwclr    = document.SCORE.kwclr.value;
       var kwsize   = document.SCORE.kwsize.value;
       var kwstyle  = document.SCORE.kwstyle.value;
       var redsel = "";
       var grnsel = "";
       var blusel = "";
       if (kwclr=="red")   {var redsel="checked"};
       if (kwclr=="green") {var grnsel="checked"};
       if (kwclr=="blue")  {var blusel="checked"};
       var sznsel = "";
       var sz1sel = "";
       var sz2sel = "";
       if (kwsize=="0")  {var sznsel="checked"};
       if (kwsize=="+1") {var sz1sel="checked"};
       if (kwsize=="+2") {var sz2sel="checked"};
       var synsel = "";
       var syisel = "";
       var sybsel = "";
       if (kwstyle=="")    {var synsel="checked"};
       if (kwstyle=="<i>") {var syisel="checked"};
       if (kwstyle=="<b>") {var sybsel="checked"};
       highlightCentral();
       highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
       highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
       highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
       highlightend();
       return;
     }
   
   
     function highlightCentral() {
       hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');
       hwdWin.document.write("<html><head>");
       hwdWin.document.write("<title>Highlight Central</title>");
   
       hwdWin.document.write("<script language=javascript>");
       hwdWin.document.write("function updateChoice(flag) {");
       hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");
       hwdWin.document.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");
       hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");
   //    hwdWin.document.write("     var kwords=opener.document.SCORE.keywords.value;");
   //    hwdWin.document.write("     alert(\\"keywords=\\"+opener.document.SCORE.keywords.value);");
   //    hwdWin.document.write("     return;");
   
       hwdWin.document.write("  if (flag==1){");
       hwdWin.document.write("     opener.document.SCORE.refresh.value = \\"on\\";");
       hwdWin.document.write("     if (opener.document.SCORE.keywords.value!=\\"\\"){");
       hwdWin.document.write("        opener.document.SCORE.submit();");
       hwdWin.document.write("     }");
       hwdWin.document.write("   }");
       hwdWin.document.write("  self.close()");
       hwdWin.document.write("}");
   
       hwdWin.document.write("function radioSelection(radioButton) {");
       hwdWin.document.write("    var selection=null;");
       hwdWin.document.write("    for (var i=0; i<radioButton.length; i++) {");
       hwdWin.document.write("        if (radioButton[i].checked) {");
       hwdWin.document.write("            selection=radioButton[i].value;");
       hwdWin.document.write("            return selection;");
       hwdWin.document.write("        }");
       hwdWin.document.write("    }");
       hwdWin.document.write("}");
   
       hwdWin.document.write("<");
       hwdWin.document.write("/script>");
   
       hwdWin.document.write("</head><body bgcolor=white>");
   
       hwdWin.document.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
       hwdWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
   
       hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       hwdWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
       hwdWin.document.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
     }
   
     function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
       hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
       hwdWin.document.write("<td align=\\"left\\">");
       hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
       hwdWin.document.write("</tr>");
     }
   
     function highlightend() { 
       hwdWin.document.write("</table>");
       hwdWin.document.write("</td></tr></table>&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Save & Refresh\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       hwdWin.document.write("</form>");
       hwdWin.document.write("</body></html>");
     }
   
   </script>
   SUBJAVASCRIPT
 }  }
   
 sub csvupload_javascript_reverse_associate {  sub csvupload_javascript_reverse_associate {
Line 718  ENDPICK Line 1753  ENDPICK
 }  }
   
 sub csvuploadmap_header {  sub csvuploadmap_header {
   my ($request,$symb,$url,$datatoken,$distotal)= @_;      my ($request,$symb,$url,$datatoken,$distotal)= @_;
   my $result;      my $result;
   my $javascript;      my $javascript;
   if ($ENV{'form.upfile_associate'} eq 'reverse') {      if ($ENV{'form.upfile_associate'} eq 'reverse') {
     $javascript=&csvupload_javascript_reverse_associate();   $javascript=&csvupload_javascript_reverse_associate();
   } else {      } else {
     $javascript=&csvupload_javascript_forward_associate();   $javascript=&csvupload_javascript_forward_associate();
   }      }
   $request->print(<<ENDPICK);      $request->print(<<ENDPICK);
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
 <h3>Uploading Class Grades for resource $url</h3>  <h3>Uploading Class Grades for resource $url</h3>
 <hr>  <hr>
Line 750  to this page if the data selected is ins Line 1785  to this page if the data selected is ins
 $javascript  $javascript
 </script>  </script>
 ENDPICK  ENDPICK
   return '';  return '';
   
 }  }
   
 sub csvupload_fields {  sub csvupload_fields {
   my ($url) = @_;      my ($url) = @_;
   my (@parts) = &getpartlist($url);      my (@parts) = &getpartlist($url);
   my @fields=(['username','Student Username'],['domain','Student Domain']);      my @fields=(['username','Student Username'],['domain','Student Domain']);
   foreach my $part (sort(@parts)) {      foreach my $part (sort(@parts)) {
     my @datum;   my @datum;
     my $display=&Apache::lonnet::metadata($url,$part.'.display');   my $display=&Apache::lonnet::metadata($url,$part.'.display');
     my $name=$part;   my $name=$part;
     if  (!$display) { $display = $name; }   if  (!$display) { $display = $name; }
     @datum=($name,$display);   @datum=($name,$display);
     push(@fields,\@datum);   push(@fields,\@datum);
   }      }
   return (@fields);      return (@fields);
 }  }
   
 sub csvuploadmap_footer {  sub csvuploadmap_footer {
   my ($request,$i,$keyfields) =@_;      my ($request,$i,$keyfields) =@_;
   $request->print(<<ENDPICK);      $request->print(<<ENDPICK);
 </table>  </table>
 <input type="hidden" name="nfields" value="$i" />  <input type="hidden" name="nfields" value="$i" />
 <input type="hidden" name="keyfields" value="$keyfields" />  <input type="hidden" name="keyfields" value="$keyfields" />
Line 781  ENDPICK Line 1816  ENDPICK
 }  }
   
 sub csvuploadmap {  sub csvuploadmap {
   my ($request)= @_;      my ($request)= @_;
   my ($symb,$url)=&get_symb_and_url($request);      my ($symb,$url)=&get_symb_and_url($request);
   if (!$symb) {return '';}      if (!$symb) {return '';}
   my $datatoken;      my $datatoken;
   if (!$ENV{'form.datatoken'}) {      if (!$ENV{'form.datatoken'}) {
     $datatoken=&Apache::loncommon::upfile_store($request);   $datatoken=&Apache::loncommon::upfile_store($request);
   } else {  
     $datatoken=$ENV{'form.datatoken'};  
     &Apache::loncommon::load_tmp_file($request);  
   }  
   my @records=&Apache::loncommon::upfile_record_sep();  
   &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);  
   my $i;  
   my $keyfields;  
   if (@records) {  
     my @fields=&csvupload_fields($url);  
     if ($ENV{'form.upfile_associate'} eq 'reverse') {  
       &Apache::loncommon::csv_print_samples($request,\@records);  
       $i=&Apache::loncommon::csv_print_select_table($request,\@records,  
     \@fields);  
       foreach (@fields) { $keyfields.=$_->[0].','; }  
       chop($keyfields);  
     } else {      } else {
       unshift(@fields,['none','']);   $datatoken=$ENV{'form.datatoken'};
       $i=&Apache::loncommon::csv_samples_select_table($request,\@records,   &Apache::loncommon::load_tmp_file($request);
       \@fields);  
       my %sone=&Apache::loncommon::record_sep($records[0]);  
       $keyfields=join(',',sort(keys(%sone)));  
     }      }
   }      my @records=&Apache::loncommon::upfile_record_sep();
   &csvuploadmap_footer($request,$i,$keyfields);      &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
   return '';      my ($i,$keyfields);
       if (@records) {
    my @fields=&csvupload_fields($url);
    if ($ENV{'form.upfile_associate'} eq 'reverse') {
       &Apache::loncommon::csv_print_samples($request,\@records);
       $i=&Apache::loncommon::csv_print_select_table($request,\@records,
     \@fields);
       foreach (@fields) { $keyfields.=$_->[0].','; }
       chop($keyfields);
    } else {
       unshift(@fields,['none','']);
       $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
       \@fields);
       my %sone=&Apache::loncommon::record_sep($records[0]);
       $keyfields=join(',',sort(keys(%sone)));
    }
       }
       &csvuploadmap_footer($request,$i,$keyfields);
       return '';
 }  }
   
 sub csvuploadassign {  sub csvuploadassign {
   my ($request)= @_;      my ($request)= @_;
   my ($symb,$url)=&get_symb_and_url($request);      my ($symb,$url)=&get_symb_and_url($request);
   if (!$symb) {return '';}      if (!$symb) {return '';}
   &Apache::loncommon::load_tmp_file($request);      &Apache::loncommon::load_tmp_file($request);
   my @gradedata=&Apache::loncommon::upfile_record_sep();      my @gradedata=&Apache::loncommon::upfile_record_sep();
   my @keyfields = split(/\,/,$ENV{'form.keyfields'});      my @keyfields = split(/\,/,$ENV{'form.keyfields'});
   my %fields=();      my %fields=();
   for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {      for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
     if ($ENV{'form.upfile_associate'} eq 'reverse') {   if ($ENV{'form.upfile_associate'} eq 'reverse') {
       if ($ENV{'form.f'.$i} ne 'none') {      if ($ENV{'form.f'.$i} ne 'none') {
  $fields{$keyfields[$i]}=$ENV{'form.f'.$i};   $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
       }      }
     } else {   } else {
       if ($ENV{'form.f'.$i} ne 'none') {      if ($ENV{'form.f'.$i} ne 'none') {
  $fields{$ENV{'form.f'.$i}}=$keyfields[$i];   $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
       }      }
    }
     }      }
   }      $request->print('<h3>Assigning Grades</h3>');
   $request->print('<h3>Assigning Grades</h3>');      my $courseid=$ENV{'request.course.id'};
   my $courseid=$ENV{'request.course.id'};  #  my $cdom=$ENV{"course.$courseid.domain"};
   my $cdom=$ENV{"course.$courseid.domain"};  #  my $cnum=$ENV{"course.$courseid.num"};
   my $cnum=$ENV{"course.$courseid.num"};      my ($classlist) = &getclasslist('all','1');
   my (%classlist) = &getclasslist($cdom,$cnum,'1');      my @skipped;
   my @skipped;      my $countdone=0;
   my $countdone=0;      foreach my $grade (@gradedata) {
   foreach my $grade (@gradedata) {   my %entries=&Apache::loncommon::record_sep($grade);
     my %entries=&Apache::loncommon::record_sep($grade);   my $username=$entries{$fields{'username'}};
     my $username=$entries{$fields{'username'}};   my $domain=$entries{$fields{'domain'}};
     my $domain=$entries{$fields{'domain'}};   if (!exists($$classlist{"$username:$domain"})) {
     if (!exists($classlist{"$username:$domain"})) {      push(@skipped,"$username:$domain");
       push(@skipped,"$username:$domain");      next;
       next;   }
     }   my %grades;
     my %grades;   foreach my $dest (keys(%fields)) {
     foreach my $dest (keys(%fields)) {      if ($dest eq 'username' || $dest eq 'domain') { next; }
       if ($dest eq 'username' || $dest eq 'domain') { next; }      if ($entries{$fields{$dest}} eq '') { next; }
       if ($entries{$fields{$dest}} eq '') { next; }      my $store_key=$dest;
       my $store_key=$dest;      $store_key=~s/^stores/resource/;
       $store_key=~s/^stores/resource/;      $store_key=~s/_/\./g;
       $store_key=~s/_/\./g;      $grades{$store_key}=$entries{$fields{$dest}};
       $grades{$store_key}=$entries{$fields{$dest}};   }
     }   $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
     $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";   &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
     &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},   $domain,$username);
     $domain,$username);   $request->print('.');
     $request->print('.');   $request->rflush();
     $request->rflush();   $countdone++;
     $countdone++;      }
   }      $request->print("<br />Stored $countdone students\n");
   $request->print("<br />Stored $countdone students\n");      if (@skipped) {
   if (@skipped) {   $request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
     $request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');   foreach my $student (@skipped) { $request->print("<br />$student"); }
     foreach my $student (@skipped) { $request->print("<br />$student"); }      }
   }      $request->print(&view_edit_entire_class_form($symb,$url));
   $request->print(&view_edit_entire_class_form($symb,$url));      $request->print(&show_grading_menu_form($symb,$url));
   $request->print(&show_grading_menu_form($symb,$url));      return '';
   return '';  
 }  }
   
 sub send_header {  sub send_header {
   my ($request)= @_;      my ($request)= @_;
   $request->print(&Apache::lontexconvert::header());      $request->print(&Apache::lontexconvert::header());
 #  $request->print("  #  $request->print("
 #<script>  #<script>
 #remotewindow=open('','homeworkremote');  #remotewindow=open('','homeworkremote');
 #remotewindow.close();  #remotewindow.close();
 #</script>");   #</script>"); 
   $request->print('<body bgcolor="#FFFFFF">');      $request->print('<body bgcolor="#FFFFFF">');
 }  }
   
 sub send_footer {  sub send_footer {
   my ($request)= @_;      my ($request)= @_;
   $request->print('</body>');      $request->print('</body>');
   $request->print(&Apache::lontexconvert::footer());      $request->print(&Apache::lontexconvert::footer());
 }  }
   
 sub handler {  sub handler {
   my $request=$_[0];      my $request=$_[0];
       
   if ($ENV{'browser.mathml'}) {      if ($ENV{'browser.mathml'}) {
     $request->content_type('text/xml');   $request->content_type('text/xml');
   } else {      } else {
     $request->content_type('text/html');   $request->content_type('text/html');
   }      }
   $request->send_http_header;      $request->send_http_header;
   return OK if $request->header_only;      return OK if $request->header_only;
   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
   my $url=$ENV{'form.url'};      my $url=$ENV{'form.url'};
   my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
   my $command=$ENV{'form.command'};      my $command=$ENV{'form.command'};
   if (!$url) {      if (!$url) {
     my ($temp1,$temp2);   my ($temp1,$temp2);
     ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);   ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
     $url = $ENV{'form.url'};   $url = $ENV{'form.url'};
   }      }
   &send_header($request);      &send_header($request);
   if ($url eq '' && $symb eq '') {      if ($url eq '' && $symb eq '') {
      if ($ENV{'user.adv'}) {   if ($ENV{'user.adv'}) {
          if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&      if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
              ($ENV{'form.codethree'})) {   ($ENV{'form.codethree'})) {
              my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.   my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
         $ENV{'form.codethree'};      $ENV{'form.codethree'};
              my ($tsymb,$tuname,$tudom,$tcrsid)=   my ($tsymb,$tuname,$tudom,$tcrsid)=
  &Apache::lonnet::checkin($token);      &Apache::lonnet::checkin($token);
              if ($tsymb) {   if ($tsymb) {
                 my ($map,$id,$url)=split(/\_\_\_/,$tsymb);      my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                 if (&Apache::lonnet::allowed('mgr',$tcrsid)) {      if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
                    $request->print(   $request->print(
                      &Apache::lonnet::ssi('/res/'.$url,   &Apache::lonnet::ssi('/res/'.$url,
                         ('grade_username' => $tuname,       ('grade_username' => $tuname,
                          'grade_domain' => $tudom,        'grade_domain' => $tudom,
                          'grade_courseid' => $tcrsid,        'grade_courseid' => $tcrsid,
                          'grade_symb' => $tsymb)));        'grade_symb' => $tsymb)));
                 } else {      } else {
                    $request->print('<h1>Not authorized: '.$token.'</h1>');   $request->print('<h1>Not authorized: '.$token.'</h1>');
                 }                 }           
    } else {
       $request->print('<h1>Not a valid DocID: '.$token.'</h1>');
    }
     } else {      } else {
                 $request->print('<h1>Not a valid DocID: '.$token.'</h1>');   $request->print(&Apache::lonxml::tokeninputfield());
             }      }
  } else {  
              $request->print(&Apache::lonxml::tokeninputfield());  
          }  
      }  
   } else {  
     #&Apache::lonhomework::showhashsubset(\%ENV,'^form');  
     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});  
     if ($command eq 'submission') {  
       &listStudents($request) if ($ENV{'form.student'} eq '');  
       $request->print(&submission($request)) if ($ENV{'form.student'} ne '');  
     } elsif ($command eq 'gradingmenu') {  
       $request->print(&gradingmenu($request));  
     } elsif ($command eq 'viewgrades') {  
       $request->print(&viewgrades($request));  
     } elsif ($command eq 'editgrades') {  
       $request->print(&editgrades($request));  
     } elsif ($command eq 'verify') {  
       $request->print(&verifyreceipt($request));  
     } elsif ($command eq 'csvupload') {  
       $request->print(&csvupload($request));  
     } elsif ($command eq 'csvuploadmap') {  
       $request->print(&csvuploadmap($request));  
     } elsif ($command eq 'receiptInput') {  
       &receiptInput($request);  
     } elsif ($command eq 'csvuploadassign') {  
       if ($ENV{'form.associate'} ne 'Reverse Association') {  
  $request->print(&csvuploadassign($request));  
       } else {  
  if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {  
   $ENV{'form.upfile_associate'} = 'reverse';  
  } else {  
   $ENV{'form.upfile_associate'} = 'forward';  
  }   }
  $request->print(&csvuploadmap($request));  
       }  
     } else {      } else {
       $request->print("Unknown action: $command:");   #&Apache::lonhomework::showhashsubset(\%ENV,'^form');
    $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
    if ($command eq 'submission') {
       &listStudents($request) if ($ENV{'form.student'} eq '');
       &submission($request,0,0) if ($ENV{'form.student'} ne '');
    } elsif ($command eq 'processGroup') {
       &processGroup($request);
    } elsif ($command eq 'gradingmenu') {
       $request->print(&gradingmenu($request));
    } elsif ($command eq 'viewgrades') {
       $request->print(&viewgrades($request));
    } elsif ($command eq 'handgrade') {
       $request->print(&processHandGrade($request));
    } elsif ($command eq 'editgrades') {
       $request->print(&editgrades($request));
    } elsif ($command eq 'verify') {
       $request->print(&verifyreceipt($request));
    } elsif ($command eq 'csvupload') {
       $request->print(&csvupload($request));
    } elsif ($command eq 'viewclasslist') {
       $request->print(&viewclasslist($request));
    } elsif ($command eq 'csvuploadmap') {
       $request->print(&csvuploadmap($request));
   #    } elsif ($command eq 'receiptInput') {
   #      &receiptInput($request);
    } elsif ($command eq 'csvuploadassign') {
       if ($ENV{'form.associate'} ne 'Reverse Association') {
    $request->print(&csvuploadassign($request));
       } else {
    if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
       $ENV{'form.upfile_associate'} = 'reverse';
    } else {
       $ENV{'form.upfile_associate'} = 'forward';
    }
    $request->print(&csvuploadmap($request));
       }
    } else {
       $request->print("Unknown action: $command:");
    }
     }      }
   }      &send_footer($request);
   &send_footer($request);      return OK;
   return OK;  
 }  }
   
 1;  1;
Removed from v.1.32  
changed lines
  Added in v.1.42

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