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Diff for /loncom/homework/grades.pm between versions 1.23 and 1.35

version 1.23, 2002/05/08 18:59:37 version 1.35, 2002/07/03 21:05:33
Line 29 Line 29
 # 6/8 Gerd Kortemeyer  # 6/8 Gerd Kortemeyer
 # 7/26 H.K. Ng  # 7/26 H.K. Ng
 # 8/20 Gerd Kortemeyer  # 8/20 Gerd Kortemeyer
   # Year 2002
   # June, July 2002 H.K. Ng
   #
   
 package Apache::grades;  package Apache::grades;
 use strict;  use strict;
Line 50  sub moreinfo { Line 53  sub moreinfo {
     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");      $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
     $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");      $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
     $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");      $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
Line 62  sub moreinfo { Line 66  sub moreinfo {
 sub verifyreceipt {  sub verifyreceipt {
     my $request=shift;      my $request=shift;
     my $courseid=$ENV{'request.course.id'};      my $courseid=$ENV{'request.course.id'};
     my $chome=$ENV{"course.$courseid.home"};  #    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;      $receipt=~s/[^\-\d]//g;
Line 75  sub verifyreceipt { Line 78  sub verifyreceipt {
     if ((&Apache::lonnet::allowed('mgr',$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,$cnum,$chome,'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)) {
Line 84  sub verifyreceipt { Line 87  sub verifyreceipt {
                $matches++;                 $matches++;
    }     }
         }          }
         $request->print('<p>'.$matches.' match(es)</p>');          $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');
   # needs to print who is matched
     }      }
     return '';      return '';
 }  }
   
   sub student_gradeStatus {
     my ($url,$udom,$uname) = @_;
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     foreach my $part (&getpartlist($url)) {
       my ($temp,$part,$type)=split(/_/,$part);
       if ($type eq 'solved') {
         my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);
         $status = 'partial' if ($foo =~ /^partially/);
         $status = 'nothing' if ($status eq '');
         return $type,$status;
       }
     }
     return '';
   }
   
   sub get_fullname {
       my ($sname,$sdom) = @_;
       my %name=&Apache::lonnet::get('environment', ['lastname','generation',
     'firstname','middlename'],
     $sdom,$sname);
       my $fullname;
       my ($tmp) = keys(%name);
       if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
    $fullname=$name{'lastname'}.$name{'generation'};
    if ($fullname =~ /[^\s]+/) { $fullname.=', '; }
    $fullname.=$name{'firstname'}.' '.$name{'middlename'};
       }
       return $fullname;
   }
   
 sub listStudents {  sub listStudents {
   my ($request) = shift;    my ($request) = shift;
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    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'};
   my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});    my $submitonly=$ENV{'form.submitonly'};
   $request->print(<<ENDHEADER);  
 <h1>Verify a Submission Receipt Issued by this Server</h1>  
 <form action="/adm/grades" method="post">  
 <tt>$hostver-<input type="text" name="receipt" size="4"></tt>  
 <input type="submit" name="submit" value="Verify">  
 <input type="hidden" name="command" value="verify">  
 ENDHEADER  
   if ($ENV{'form.url'}) {  
     $request->print(  
     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');  
   }  
   if ($ENV{'form.symb'}) {  
     $request->print(  
     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');  
   }  
   $request->print(<<ENDTABLEST);    $request->print(<<ENDTABLEST);
 </form>  <h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>
 <h1>Show Student Submissions on Assessment</h1>  &nbsp;<font size=+1><b>Resource:</b> $ENV{'form.url'}<br /><br />
 <table border="1">  <form action="/adm/grades" method="post">&nbsp;<b>View Options</b></font><br />
 <tr><th>Username</th><th>Domain</th><th>Name</th><th>&nbsp;</th></tr>  &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no 
   <input type="radio" name="vProb" value="yes"> yes 
   &nbsp;&nbsp;&nbsp;<b>Submissions: </b><input type="radio" name="lastSub" value="last" checked> last 
   <input type="radio" name="lastSub" value="all"> all 
   <input type="hidden" name="section" value="$getsec">
   <input type="hidden" name="submitonly" value="$submitonly">
   <input type="hidden" name="response" value="$ENV{'form.response'}">
   <input type="hidden" name="handgrade" value="$ENV{'form.handgrade'}">
   <table border="0"><tr><td bgcolor="#777777">
   <table border="0"><tr bgcolor="#e6ffff">
   <td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>
   <td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>
   <td><b>&nbsp;Grade Status&nbsp;</b></td></tr>
 ENDTABLEST  ENDTABLEST
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'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'}) {
         $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
     }
     $request->print('<input type="hidden" name="command" value="processGroup" />'."\n");
   
       my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.    my ($classlist) = &getclasslist($getsec,'0');
      ':environment:lastname&generation&firstname&middlename',    foreach my $student ( sort(@{ $$classlist{$getsec} }) ) {
       &Apache::lonnet::homeserver($sname,$sdom));        my ($sname,$sdom) = split(/:/,$student);
       #print "reply=$reply<br>";        my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname);
       my (@nameparts) = split /&/,$reply;        next if ($status eq 'nothing' && $submitonly eq 'yes');
 #      my $sfullname = $Apache::lonnet::unescape($nameparts[0]);  
   
         my $fullname = &get_fullname($sname,$sdom);
       if ( $Apache::grades::viewgrades eq 'F' ) {        if ( $Apache::grades::viewgrades eq 'F' ) {
   $request->print("\n".'<tr>'."<td>$sname</td><td>$sdom</td><td>@nameparts</td><td>".    $request->print("\n".'<tr bgcolor="#ffffe6">'.
   '<form action="/adm/grades" method="post">');    '<td align="center"><input type=checkbox name="stuinfo" value="'.
   if ($ENV{'form.url'}) {    $student.':'.$fullname.'"></td>'."\n".
     $request->print(    '<td>&nbsp;'.$sname.'&nbsp;</td>'."\n".
     '<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />');    '<td>&nbsp;'.$fullname.'&nbsp;</td>'."\n".
   }    '<td align="middle">&nbsp;'.$sdom.'&nbsp;</td>'."\n");
   if ($ENV{'form.symb'}) {    $request->print('<td align="middle">&nbsp;'.$status.'&nbsp;</td>'."\n");
     $request->print(  
     '<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />');    $request->print('</tr>');
   }  
   $request->print(  
     '<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />');  
   $request->print(  
              '<input type="hidden" name="student" value="'.$sname.'" />');  
   $request->print(  
              '<input type="hidden" name="domain" value="'.$sdom.'" />');  
   $request->print(  
                          '<input type="submit" name="submit" value="View" />');  
   $request->print('</form></td></tr>');  
       }        }
   }    }
   $request->print('</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($request,'No student was selected for viewing/grading.');
         return;
     }
     foreach (@stuchecked) {
         my ($sname,$sdom,$fullname) = split(/:/);
         $ENV{'form.student'} = $sname;
         $ENV{'form.fullname'} = $fullname;
         &submission($request,$ctr,$total);
         $ctr++;
     }
     return 'The End';
 }  }
   
   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 ( $Apache::grades::viewgrades eq 'F' ) {
     #get classlist      my ($classlist) = &getclasslist('all','0');
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      foreach ( sort(@{ $$classlist{'all'} }) ) {
     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};        my ($posname,$posdomain) = split(/:/);
     #print "Found $cdom:$cnum:$chome<br />";  
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {  
       my ($posname,$posdomain) = split(/:/,$student);  
       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }        if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
     }      }
     return ($name,$domain);      return ($name,$domain);
Line 175  sub finduser { Line 226  sub finduser {
 }  }
   
 sub getclasslist {  sub getclasslist {
   my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;    my ($getsec,$hideexpired) = @_;
   my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);    my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});
   my %classlist=();    my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);
   my $now = time;    my $now = time;
   foreach my $record (split /&/, $classlist) {    my (@holdsec,@sections);
     my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));    foreach my $student (keys(%classlist)) {
     my ($end,$start)=split(/:/,$value);      my ($end,$start)=split(/:/,$classlist{$student});
     # still a student?      # still a student?
     if (($hideexpired) && ($end) && ($end < $now)) {      if (($hideexpired) && ($end) && ($end < $now)) {
       #print "Skipping:$name:$end:$now<br />\n";  
       next;        next;
     }      }
     #print "record=$record<br>";      my ($unam,$udom) = split(/:/,$student,2);
     push( @{ $classlist{'allids'} }, $name);       my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
       $section = ($section ne '-1' ? $section : 'no');
       push @holdsec,$section;
       push (@{ $classlist{$getsec} }, $student) if ($getsec eq 'all' || $getsec eq $section);
   }    }
   return (%classlist);    my %seen = ();
     foreach my $item (@holdsec) {
         push (@sections, $item) unless $seen{$item}++;
     }
     return (\%classlist,\@sections);
 }  }
   
 sub getpartlist {  sub getpartlist {
Line 198  sub getpartlist { Line 255  sub getpartlist {
   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,$key);
     }      }
   }    }
Line 209  sub viewstudentgrade { Line 266  sub viewstudentgrade {
   my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
   my $result ='';    my $result ='';
   my $cellclr = '"#ffffdd"';    my $cellclr = '"#ffffdd"';
   my ($stuname,$domain) = split(/:/,$student);    my ($username,$domain) = split(/:/,$student);
   
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);    my $fullname = &get_fullname($username,$domain);
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);
   
   $result.="<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=$cellclr align=\"middle\">$domain</td>\n";    $result.="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";
   foreach my $part (@parts) {    foreach my $part (@parts) {
     my ($temp,$part,$type)=split(/_/,$part);      my ($temp,$part,$type)=split(/_/,$part);
     #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";      my $score=$record{"resource.$part.$type"};
     if ($type eq 'awarded') {      if ($type eq 'awarded' || $type eq 'tries') {
       my $score=$record{"resource.$part.$type"};        $result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.
       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n";    '" value="'.$score.'" size="4" /></td>'."\n";
     } elsif ($type eq 'tries') {  
       my $score=$record{"resource.$part.$type"};  
       $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n"  
     } elsif ($type eq 'solved') {      } elsif ($type eq 'solved') {
       my $score=$record{"resource.$part.$type"};        my ($status,$foo)=split(/_/,$score,2);
       $result.="<td bgcolor=$cellclr align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";        $result.="<td align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
       if ($score =~ /^correct/) {        my $optsel = '<option>correct</option><option>incorrect</option><option>excused</option>'.
  $result.="<option selected=\"on\">correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";    '<option>ungraded</option><option>partial</option><option>nothing</option>'."\n";
       } elsif ($score =~ /^incorrect/) {        $status = 'nothing' if ($status eq '');
  $result.="<option>correct</option>\n<option selected=\"on\">incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";        $optsel =~ s/<option>$status/<option selected="on">$status/;
       } elsif ($score eq '') {        $result.=$optsel;
  $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option selected=\"on\">nothing</option>\n";  
       } elsif ($score =~ /^excused/) {  
  $result.="<option>correct</option>\n<option>incorrect</option>\n<option selected=\"on\">excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";  
       } elsif ($score =~ /^ungraded/) {  
  $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option selected=\"on\">ungraded</option>\n<option>nothing</option>\n";  
       }  
       $result.="</select></td>\n";        $result.="</select></td>\n";
     }      }
   }    }
   $result.='</tr>';    $result.='<td></td></tr>';
   return $result;    return $result;
 }  }
 #FIXME need to look at the meatdata <stores> spec on what type of data to accept and provide an  
   #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an
 #interface based on that, also do that to above function.  #interface based on that, also do that to above function.
 sub setstudentgrade {  sub setstudentgrade {
   my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
     print "set student grade parts=@parts<br>";
   my $result ='';    my $result ='';
   
   my ($stuname,$domain) = split(/:/,$student);    my ($stuname,$domain) = split(/:/,$student);
   
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);    my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
   
   my %newrecord;    my %newrecord;
   
   foreach my $part (@parts) {    foreach my $part (@parts) {
     my ($temp,$part,$type)=split(/_/,$part);      my ($temp,$part,$type)=split(/_/,$part);
     my $oldscore=$record{"resource.$part.$type"};      my $oldscore=$record{"resource.$part.$type"};
     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};      my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
       print "old=$oldscore:new=$newscore:<br>";
     if ($type eq 'solved') {      if ($type eq 'solved') {
       my $update=0;        my $update=0;
       if ($newscore eq 'nothing' ) {        if ($newscore eq 'nothing' ) {
Line 270  sub setstudentgrade { Line 318  sub setstudentgrade {
       } elsif ($oldscore !~ m/^$newscore/) {        } elsif ($oldscore !~ m/^$newscore/) {
  $update=1;   $update=1;
  $result.="Updating $stuname to $newscore<br />\n";   $result.="Updating $stuname to $newscore<br />\n";
  if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }   if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }   if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
  if ($newscore eq 'excused') { $newscore = 'excused'; }   if ($newscore eq 'excused')   { $newscore = 'excused'; }
  if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }   if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }
    if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }
       } else {        } else {
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";   #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
       }        }
Line 288  sub setstudentgrade { Line 337  sub setstudentgrade {
     }      }
   }    }
   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'}:$ENV{'user.domain'}";
     &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);  #    &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);
   
     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";      $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";
   }    }
   return $result;    return $result;
 }  }
   
   #
   # --------------------------- show submissions of a student, option to grade --------
 sub submission {  sub submission {
   my ($request) = @_;    my ($request,$counter,$total) = @_;
   my $url=$ENV{'form.url'};  
   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    if ($counter == 0) {
   if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }        $request->print(<<JAVASCRIPT);
 #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }  <script type="text/javascript" language="javascript">
   my ($uname,$udom) = &finduser($ENV{'form.student'});    function updateRadio(radioButton,formtextbox,formsel,wgt) {
   if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }       var pts = formtextbox.value;
   my $symb;       var resetbox =false;
   if ($ENV{'form.symb'}) {       if (isNaN(pts) || pts < 0) {
     $symb=$ENV{'form.symb'};   alert("A number equal or greater than 0 is expected. Entered value = "+pts);
   } else {   for (var i=0; i<radioButton.length; i++) {
     $symb=&Apache::lonnet::symbread($url);     if (radioButton[i].checked) {
         formtextbox.value = i;
         resetbox = true;
      }
    }
    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,pts,wgt);
     }
   
     function writeBox(formrad,formsel,pts,wgt) {
       formrad.value = pts;
       updateSelect(formsel,pts,wgt);
       return;
     }
   
     function updateSelect(formsel,pts,wgt) {
       if (pts == 0) {
         formsel[1].selected = true;
       }
       if (pts > 0 && pts < wgt) {
         formsel[4].selected = true;
       }
       if (pts == wgt) {
         formsel[0].selected = true;
       }
       return;
   }    }
   
     function keywords(keyform) {
       var keywds = keyform.value;
       var nret = prompt("Keywords list, separate by a space or comma. Add/delete to list if desired.",keywds);
       if (nret==null) return;
       keyform.value = nret;
       return;
     }
   
     function addmsg(msgform) {
       var msg  = msgform.value;
       var nret = prompt("Enter the message you wish to send to the student.",msg);
       if (nret==null) return;
       msgform.value = nret;
       return;
     }
   
     function savedmsg(msgform) {
       var Nmsg  = msgform.value;
       var nret = prompt("Number of saved messages = ",Nmsg);
       if (nret==null) return;
       msgform.value = nret;
       return;
     }
   
   </script>
   JAVASCRIPT
   }
     (my $url=$ENV{'form.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)));
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
   my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,    my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
       $ENV{'request.course.id'});  #
   my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;  # header info
   my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,    if ($counter == 0) {
         $request->print('<h2><font color="#339933">Submission Record</font></h2>');
     }
   
   #
   # 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' && $counter == 0) {
         my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
    $ENV{'request.course.id'});     $ENV{'request.course.id'});
   $result.="Student's view of the problem:<br /> $rendered <br /> Correct answer:<br />";        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);
     }
   #
   # beginning of form
     if ($counter == 0) {
         my %keyhash = &Apache::lonnet::get
                   ('nohist_handgrade',[$symb.'_keywords'],
                    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
         $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
         '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
         '<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
         '<input type="hidden" name="lastSub"    value="'.$last.'" />'."\n".
         '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
         '<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
         '<input type="hidden" name="response"   value="'.$ENV{'form.response'}.'">'."\n".
         '<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
         '<input type="hidden" name="command"    value="handgrade" />'."\n".
         '<input type="hidden" name="keywords"   value="'.$keyhash{$symb.'_keywords'}.'" />'."\n".
         '<input type="hidden" name="addmsg"     value="" />'."\n".
         '<input type="hidden" name="savemsgN"   value="3" />'."\n".
         '<input type="hidden" name="savemsg0"   value="Good Job!" />'."\n".
         '<input type="hidden" name="savemsg1"   value="Needs a better explanation." />'."\n".
         '<input type="hidden" name="savemsg2"   value="Read the book before submitting such garbagge!" />'."\n".
         '<input type="hidden" name="NCT"'.
         ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1').'" />'."\n");
   
         if ($ENV{'form.handgrade'} eq 'yes') {
     $request->print(<<KEYWORDS);
   &nbsp;<b>Grading Options</b> 
   <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>Keywords list</a>&nbsp; &nbsp;
   <a href="javascript:addmsg(document.SCORE.addmsg)"; TARGET=_self>Add a message</a>&nbsp; &nbsp;
   <a href="javascript:savedmsg(document.SCORE.savemsgN)"; TARGET=_self>Saved messages</a><br /><br />
   KEYWORDS
         }
     }
   
   #
   # Student info
     $request->print(($counter == 0 ? '' : '<br /><hr><br />'));
     my $result.='<table border="0"><tr><td><b>Username: </b>'.$uname.
         '</td><td><b>Fullname: </b>'.
     ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom)).
         '</td><td><b>Domain: </b>'.$udom.'</td></tr>';
     if ($ENV{'form.handgrade'} eq 'yes') {
         my $subonly = &get_last_submission($symb,$uname,$udom,$ENV{'request.course.id'});
         my ($classlist) = &getclasslist('all','0');
         my @collaborators;
         foreach ( sort(@{ $$classlist{'all'} }) ) {
     my ($sname,$sdom) = split(/:/);
     push @collaborators,$sname if (grep /\b$sname(\b|\.)/i,$subonly);
         }
         push @collaborators,'leede','carlandmm','freyniks'; # as a test to display collaborators.
         if (scalar(@collaborators) != 0) {
     $result.='<tr><td colspan=3><b>Collaborators: </b>';
     foreach (@collaborators) {
         $result.=$_.' ('.&get_fullname($_,$udom).') &nbsp; &nbsp;';
     }
     $result.='</td></tr>'."\n";
     $result.='<input type="hidden" name="collaborator'.$counter.
         '" value="'.(join ':',@collaborators).'" />'."\n";
         }
     }
     $result.='<tr><td colspan=3><b>Resource: </b>'.$url.'</td></tr></table>'."\n";
     $request->print($result);
   #
   # print student answer
     $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
      $ENV{'request.course.id'},$last,
      '.submission','Apache::grades::keywords_highlight'));
   #
   #
     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 ? $wgt : '1');
     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my $score  = ($record{'resource.0.awarded'} eq '' ? '' : $record{'resource.0.awarded'}*$wgt);
   
   #
   # display grading options
     $result='<input type="hidden" name="WGT'.$counter.'" value="'.$wgt.'" />'.
         '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
     $result.='<table border="0"><tr><td><b>Points</b></td><td>';
     my $ctr = 0;
   
     $result.='<table border="0"><tr>';  # display radio buttons in a nice table with 10 across
     while ($ctr<=$wgt) {
         $result.= '<td><input type="radio" name="RADVAL'.$counter.'" '.
     'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.
       ',this.form.GRADE_SEL'.$counter.','.$ctr.','.$wgt.')" '.
    ($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.'"'.
         ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
          'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.
           ',this.form.GRADE_BOX'.$counter.
      ',this.form.GRADE_SEL'.$counter.',\''.$wgt.'\')" /></td>'."\n";
     $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';
   
     foreach my $part (&getpartlist($url)) {
       my ($temp,$part,$type)=split(/_/,$part);
       if ($type eq 'solved') {
         my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);
         $status = 'partial' if ($foo =~ /partially/);
         $status = 'nothing' if ($status eq '');
         $result.='<select name="GRADE_SEL'.$counter.'">'."\n";
         my $optsel = '<option>correct</option><option>incorrect</option>'.
     '<option>excused</option><option>ungraded</option>'.
         '<option>partial</option><option>nothing</option>'."\n";
         $optsel =~ s/<option>$status/<option selected="on">$status/;
         $result.=$optsel;
         $result.="</select></td></tr>\n";
       }
     }
     $result.='</table>';
     $request->print($result);
   #
   # 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;';
         $endform.='<input type="submit" name="gradeOpt" value="Next" />&nbsp';
         $endform.='<input type="submit" name="gradeOpt" value="Previous" />&nbsp';
         $endform.='(Next and Previous do not save the scores.)';
         $endform.='</td><tr></table></form>';
         $request->print($endform);
     }
     return '';
   }
   
   sub get_last_submission {
     my ($symb,$username,$domain,$course)=@_;
     if ($symb) {
        my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);
        if ($returnhash{'version'}) {
    my %lasthash=();
    my $version;
    for ($version=1;$version<=$returnhash{'version'};$version++) {
     foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
         $lasthash{$_}=$returnhash{$version.':'.$_};
     }
           }
    foreach ((keys %lasthash)) {
       if ($_ =~ /\.submission$/) {return $lasthash{$_}}
    }
    return '';
       }
     }
   }
   
   sub keywords_highlight {
     my $string  = shift;
     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     my %keyhash = &Apache::lonnet::get
         ('nohist_handgrade',[$symb.'_keywords'],
          $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
          $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     my @keylist = split(/[,\s+]/,$keyhash{$symb.'_keywords'});
     foreach my $word (@keylist) {
         next if ($word eq '');
         $string =~ s/\b$word(\b|\.)/\<font color\=red\>$word\<\/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 $keywords= $ENV{'form.keywords'};
     my $addmsg  = $ENV{'form.addmsg'};
     print "addmsg=$addmsg<br>";
     if ($keywords ne '') {
         my $crsname = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
         my $crsdom  = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
         my $putresult = &Apache::lonnet::put
                   ('nohist_handgrade',{$symb.'_keywords' => $keywords},
                    $crsdom,$crsname);
     }
     my (@parts) = sort(&getpartlist($url));
   
     if ($button eq 'Save & Next') {
         my $ctr = 0;
         while ($ctr < $ENV{'form.NCT'}) {
     my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
     &saveHandGrade($url,$symb,$uname,$udom,$ctr,@parts);
     if ($ENV{'form.collaborator'.$ctr}) {
         my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
         foreach (@collaborators) {
     &saveHandGrade($url,$symb,$_,$udom,$ctr,@parts);
         }
     }
     $ctr++;
         }
     }
     my $firststu = $ENV{'form.unamedom0'};
     my $laststu  = $ENV{'form.unamedom'.($ngrade-1)};
   
     my ($classlist) = &getclasslist($ENV{'form.section'},'0');
   
   $answer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,    my (@nextlist,@prevlist);
   $ENV{'request.course.id'});    my ($nextflg,$prevflg,$ctr,$ctprev) = (0,0,0,0);
   $result.=$answer;    foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {
         my ($uname,$udom) = split(/:/,$student);
         if ($nextflg == 1 && $button =~ /Next$/) {
     push @nextlist,$uname if ($ctr < $ntstu);
     $ctr++;
         }
         $nextflg = 1 if ($student eq $laststu);
         $prevflg = 1 if ($student eq $firststu);
         if ($prevflg == 0 && $button eq 'Previous') {
     push @prevlist,$uname;
     $ctprev++;
         }
     }
     if ($button eq 'Previous') {
         if ($ctprev <= $ntstu) {
     @nextlist = @prevlist;
         } else {
     my $idx = 0;
     my $start = $ctprev - $ntstu;
     while ($idx < $ntstu) {
         $nextlist[$idx] = $prevlist[$start+$idx];
         $idx++;
     }
         }
     }
     $ctr = 0;
     my $total = scalar(@nextlist)-1;
     foreach my $student (@nextlist) {
         $ENV{'form.student'} = $student;
         &submission($request,$ctr,$total);
         $ctr++;
     }
   
     return 'The End';
   }
   
   sub saveHandGrade {
     my ($url,$symb,$stuname,$domain,$newflg,@parts) = @_;
     my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
     my %newrecord;
   
     foreach my $part (@parts) {
       my ($temp,$part,$type)=split(/_/,$part);
       my $oldscore=$record{"resource.$part.$type"};
       my $newscore;
       if ($type eq 'awarded' && $newflg >= 0) {
    my $pts    = ($ENV{'form.GRADE_BOX'.$newflg} ne '' ? 
         $ENV{'form.GRADE_BOX'.$newflg} : $ENV{'form.RADVAL'.$newflg});
    my $wgt    = $ENV{'form.WGT'.$newflg};
   # my $sel    = $ENV{'form.GRADE_SEL'.$newflg};
    $newscore  = $pts/$wgt if ($wgt != 0);
       }
       if ($type eq 'solved') {
         $newscore = $ENV{'form.GRADE_SEL'.$newflg} if ($newflg >= 0);
         my $update=0;
         if ($newscore eq 'nothing' ) {
    if ($oldscore ne '') {
     $update=1;
     $newscore = '';
    }
         } elsif ($oldscore !~ m/^$newscore/) {
    $update=1;
    if ($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')  { $newscore = 'ungraded_attempted'; }
    if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }
         }
         if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }
       } else {
         if ($oldscore ne $newscore) {
    $newrecord{"resource.$part.$type"}=$newscore;
         }
       }
     }
     if ( scalar(keys(%newrecord)) > 0 ) {
         $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
   #      while (my ($k,$v) = each %newrecord) {
   # print "k=$k:v=$v:<br>\n";
   #      }
   #      print "symb=$symb,courseid=$ENV{'request.course.id'},dom=$domain,name=$stuname<br>";
   #     &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname);
     }
     return '';
   }
   
   sub get_symb_and_url {
     my ($request) = @_;
     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     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 show_grading_menu_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="gradingmenu" />'."\n".
     '<input type="submit" name="submit" value="Grading Menu" />'."\n".
       '</form>'."\n";
     return $result;
   }
   
   sub gradingmenu {
     my ($request) = @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     my $allkeys = &Apache::lonnet::metadata($url,'keys');
     my $handgrade = ($allkeys =~ /parameter_.*?_handgrade/ ? 'yes' : 'no');
     my ($responsetype,$foo) = split(/_/,&Apache::lonnet::metadata($url,'packages'));
   
     my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';
     $result.='<table border="0">';
     $result.='<tr><td><font size=+1><b>Resource: </b></font></td>'.
         '<td><font size=+1>'.$url.'</font></td></tr>';
     $result.='<tr><td><font size=+1><b>Type: </b></font></td>'.
         '<td><font size=+1>'.$responsetype.'&nbsp;&nbsp;<b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
     $result.='</table>';
   
     $result.=&view_edit_entire_class_form($symb,$url).'<br />';
     $result.=&upcsvScores_form($symb,$url).'<br />';
     $result.=&viewGradeaStu_form($symb,$url,$responsetype,$handgrade).'<br />';
     $result.=&verifyReceipt_form($symb,$url);
     return $result;
   }
   
   sub view_edit_entire_class_form {
     my ($symb,$url)=@_;
     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 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>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="command" value="submission" />'."\n";
   
     $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";
     foreach my $section (sort (@$sections)) {
         $result.= '<option>'.$section.'</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;    return $result;
 }  }
   
Line 329  sub viewgrades { Line 903  sub viewgrades {
   my $result='';    my $result='';
   
   #get resource reference    #get resource reference
   my $url=$ENV{'form.url'};    my ($symb,$url)=&get_symb_and_url($request);
   $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    if (!$symb) {return '';}
   my $symb=$ENV{'form.symb'};  
   if (!$symb) { $symb=&Apache::lonnet::symbread($url); }  
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }  
   
   #get classlist    #get classlist
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    #print "Found $cdom:$cnum<br />";
   #print "Found $cdom:$cnum:$chome<br />";    my ($classlist) = &getclasslist('all','0');
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
   my $headerclr = '"#ccffff"';    my $headerclr = '"#ccffff"';
   my $cellclr = '"#ffffcc"';    my $cellclr = '"#ffffcc"';
   
   #get list of parts for this problem    #get list of parts for this problem
   my (@parts) = &getpartlist($url);    my (@parts) = sort(&getpartlist($url));
   
   $request->print ("<h2><font color=\"#339966\">Manual Grading</font></h2>");    $request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");
   
   #start the form    #start the form
   $result = '<form action="/adm/grades" method="post">'."\n".    $result = '<form action="/adm/grades" method="post">'."\n".
Line 354  sub viewgrades { Line 923  sub viewgrades {
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".        '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  '<input type="hidden" name="command" value="editgrades" />'."\n".   '<input type="hidden" name="command" value="editgrades" />'."\n".
   '<input type="submit" name="submit" value="Submit Changes" />'."\n".    '<input type="submit" name="submit" value="Submit Changes" />'."\n".
     '<table border=0><tr><td bgcolor="#999999">'."\n".      '<table border=0><tr><td bgcolor="#777777">'."\n".
      '<table border=0>'."\n".       '<table border=0>'."\n".
       '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.$headerclr.'>Domain</td>'."\n";        '<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>'."\n";
   foreach my $part (@parts) {    foreach my $part (@parts) {
      my $display=&Apache::lonnet::metadata($url,$part.'.display');       my $display=&Apache::lonnet::metadata($url,$part.'.display');
      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }       if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
      $result.='<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";       $result.='<td><b>'.$display.'</b></td>'."\n";
    }    }
   $result.="</tr>";    $result.='</tr>';
   #get info for each student    #get info for each student
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {    foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
       my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
   #      print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:<br>\n";
     $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);      $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
   }    }
   $result.='</table></td></tr></table><input type="submit" name="submit" value="Submit Changes" /></form>';    $result.='</table></td></tr></table>';
     $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
     $result.=&show_grading_menu_form($symb,$url);
   return $result;    return $result;
 }  }
   
Line 380  sub editgrades { Line 952  sub editgrades {
   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    #get classlist
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});  #  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
   my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};    #print "Found $cdom:$cnum<br />";
   #print "Found $cdom:$cnum:$chome<br />";    my ($classlist) = &getclasslist('all','0');
   my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
   
   #get list of parts for this problem    #get list of parts for this problem
   my (@parts) = &getpartlist($url);    my (@parts) = &getpartlist($url);
Line 394  sub editgrades { Line 965  sub editgrades {
  '<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";
   
   foreach my $student ( sort(@{ $classlist{'allids'} }) ) {    foreach my $student ( sort(@{ $$classlist{'all'} }) ) {
     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);      $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
   }    }
   
Line 402  sub editgrades { Line 973  sub editgrades {
   return $result;    return $result;
 }  }
   
   sub csvupload_javascript_reverse_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (i==0 && tw!=0) { founduname=1; }
         if (i==1 && tw!=0) { founddomain=1; }
         if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       for (i=0;i<=vf.nfields.value;i++) {
         //can not pick the same destination field for both name and domain
         if (((i ==0)||(i ==1)) && 
             ((tf==0)||(tf==1)) && 
             (i!=tf) &&
             (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvupload_javascript_forward_associate {
     return(<<ENDPICK);
     function verify(vf) {
       var foundsomething=0;
       var founduname=0;
       var founddomain=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (tw==1) { founduname=1; }
         if (tw==2) { founddomain=1; }
         if (tw>2) { foundsomething=1; }
       }
       if (founduname==0 || founddomain==0) {
         alert('You need to specify at both the username and domain');
         return;
       }
       if (foundsomething==0) {
         alert('You need to specify at least one grading field');
         return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
       var nw=eval('vf.f'+tf+'.selectedIndex');
       var i;
       //can not pick the same destination field twice
       for (i=0;i<=vf.nfields.value;i++) {
         if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')
         }
       }
     }
   ENDPICK
   }
   
   sub csvuploadmap_header {
     my ($request,$symb,$url,$datatoken,$distotal)= @_;
     my $result;
     my $javascript;
     if ($ENV{'form.upfile_associate'} eq 'reverse') {
       $javascript=&csvupload_javascript_reverse_associate();
     } else {
       $javascript=&csvupload_javascript_forward_associate();
     }
     $request->print(<<ENDPICK);
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   <h3>Uploading Class Grades for resource $url</h3>
   <hr>
   <h3>Identify fields</h3>
   Total number of records found in file: $distotal <hr />
   Enter as many fields as you can. The system will inform you and bring you back
   to this page if the data selected is insufficient to run your class.<hr />
   <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
   <input type="hidden" name="associate"  value="" />
   <input type="hidden" name="phase"      value="three" />
   <input type="hidden" name="datatoken"  value="$datatoken" />
   <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
   <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
   <input type="hidden" name="upfile_associate" 
                                          value="$ENV{'form.upfile_associate'}" />
   <input type="hidden" name="symb"       value="$symb" />
   <input type="hidden" name="url"        value="$url" />
   <input type="hidden" name="command"    value="csvuploadassign" />
   <hr />
   <script type="text/javascript" language="Javascript">
   $javascript
   </script>
   ENDPICK
     return '';
   
   }
   
   sub csvupload_fields {
     my ($url) = @_;
     my (@parts) = &getpartlist($url);
     my @fields=(['username','Student Username'],['domain','Student Domain']);
     foreach my $part (sort(@parts)) {
       my @datum;
       my $display=&Apache::lonnet::metadata($url,$part.'.display');
       my $name=$part;
       if  (!$display) { $display = $name; }
       @datum=($name,$display);
       push(@fields,\@datum);
     }
     return (@fields);
   }
   
   sub csvuploadmap_footer {
     my ($request,$i,$keyfields) =@_;
     $request->print(<<ENDPICK);
   </table>
   <input type="hidden" name="nfields" value="$i" />
   <input type="hidden" name="keyfields" value="$keyfields" />
   <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
   </form>
   ENDPICK
   }
   
   sub csvuploadmap {
     my ($request)= @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     my $datatoken;
     if (!$ENV{'form.datatoken'}) {
       $datatoken=&Apache::loncommon::upfile_store($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 {
         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 {
     my ($request)= @_;
     my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}
     &Apache::loncommon::load_tmp_file($request);
     my @gradedata=&Apache::loncommon::upfile_record_sep();
     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
     my %fields=();
     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
       if ($ENV{'form.upfile_associate'} eq 'reverse') {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
         }
       } else {
         if ($ENV{'form.f'.$i} ne 'none') {
    $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
         }
       }
     }
     $request->print('<h3>Assigning Grades</h3>');
     my $courseid=$ENV{'request.course.id'};
   #  my $cdom=$ENV{"course.$courseid.domain"};
   #  my $cnum=$ENV{"course.$courseid.num"};
     my ($classlist) = &getclasslist('all','1');
     my @skipped;
     my $countdone=0;
     foreach my $grade (@gradedata) {
       my %entries=&Apache::loncommon::record_sep($grade);
       my $username=$entries{$fields{'username'}};
       my $domain=$entries{$fields{'domain'}};
       if (!exists($$classlist{"$username:$domain"})) {
         push(@skipped,"$username:$domain");
         next;
       }
       my %grades;
       foreach my $dest (keys(%fields)) {
         if ($dest eq 'username' || $dest eq 'domain') { next; }
         if ($entries{$fields{$dest}} eq '') { next; }
         my $store_key=$dest;
         $store_key=~s/^stores/resource/;
         $store_key=~s/_/\./g;
         $grades{$store_key}=$entries{$fields{$dest}};
       }
       $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
       &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
       $domain,$username);
       $request->print('.');
       $request->rflush();
       $countdone++;
     }
     $request->print("<br />Stored $countdone students\n");
     if (@skipped) {
       $request->print('<br /><font size="+1"><b>Skipped Students</b></font><br />');
       foreach my $student (@skipped) { $request->print("<br />$student"); }
     }
     $request->print(&view_edit_entire_class_form($symb,$url));
     $request->print(&show_grading_menu_form($symb,$url));
     return '';
   }
   
 sub send_header {  sub send_header {
   my ($request)= @_;    my ($request)= @_;
   $request->print(&Apache::lontexconvert::header());    $request->print(&Apache::lontexconvert::header());
Line 422  sub send_footer { Line 1224  sub send_footer {
 sub handler {  sub handler {
   my $request=$_[0];    my $request=$_[0];
   
   if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}  
     
   if ($ENV{'browser.mathml'}) {    if ($ENV{'browser.mathml'}) {
     $request->content_type('text/xml');      $request->content_type('text/xml');
   } else {    } else {
Line 469  sub handler { Line 1269  sub handler {
          }           }
      }       }
   } else {    } else {
       #&Apache::lonhomework::showhashsubset(\%ENV,'^form');
     $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});      $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
     if ($command eq 'submission') {      if ($command eq 'submission') {
       &listStudents($request) if ($ENV{'form.student'} eq '');        &listStudents($request) if ($ENV{'form.student'} eq '');
       $request->print(&submission($request)) if ($ENV{'form.student'} ne '');        &submission($request,0,0) if ($ENV{'form.student'} ne '');
       } elsif ($command eq 'processGroup') {
         &processGroup($request);
       } elsif ($command eq 'gradingmenu') {
         $request->print(&gradingmenu($request));
     } elsif ($command eq 'viewgrades') {      } elsif ($command eq 'viewgrades') {
       $request->print(&viewgrades($request));        $request->print(&viewgrades($request));
       } elsif ($command eq 'handgrade') {
         $request->print(&processHandGrade($request));
     } elsif ($command eq 'editgrades') {      } elsif ($command eq 'editgrades') {
       $request->print(&editgrades($request));        $request->print(&editgrades($request));
     } elsif ($command eq 'verify') {      } elsif ($command eq 'verify') {
       $request->print(&verifyreceipt($request));        $request->print(&verifyreceipt($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:");        $request->print("Unknown action: $command:");
     }      }
Removed from v.1.23  
changed lines
  Added in v.1.35

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