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Diff for /loncom/homework/grades.pm between versions 1.37 and 1.44

version 1.37, 2002/07/08 21:18:54 version 1.44, 2002/08/02 21:10:03
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, July 2002 H.K. Ng  # June-August 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);
   
 sub moreinfo {  # ----- These first few routines are general use routines.-----
   my ($request,$reason) = @_;  #
   $request->print("Unable to process request: $reason");  # --- Retrieve the parts that matches stores_\d+ from the metadata file.---
   if ( $Apache::grades::viewgrades eq 'F' ) {  sub getpartlist {
     $request->print('<form action="/adm/grades" method="post">'."\n");      my ($url) = @_;
     if ($ENV{'form.url'}) {      my @parts =();
       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");      my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
     }      foreach my $key (@metakeys) {
     if ($ENV{'form.symb'}) {   if ( $key =~ m/stores_([0-9]+)_.*/) {
       $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");      push(@parts,$key);
     }   }
 #    $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>');  
   }  
   return '';  
 }  
   
 sub verifyreceipt {  
     my $request=shift;  
     my $courseid=$ENV{'request.course.id'};  
 #    my $cdom=$ENV{"course.$courseid.domain"};  
 #    my $cnum=$ENV{"course.$courseid.num"};  
     my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.  
                 $ENV{'form.receipt'};  
     $receipt=~s/[^\-\d]//g;  
     my $symb=$ENV{'form.symb'};  
     unless ($symb) {  
  $symb=&Apache::lonnet::symbread($ENV{'form.url'});  
     }  
     if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {  
         $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');  
         my $matches=0;  
         my ($classlist) = &getclasslist('all','0');  
         foreach my $student ( sort(@{ $$classlist{'all'} }) ) {  
             my ($uname,$udom)=split(/\:/,$student);  
             if ($receipt eq   
              &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {  
                $request->print('Matching '.$student.'<br>');  
                $matches++;  
    }  
         }  
         $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');  
 # needs to print who is matched  
     }      }
     return '';      return @parts;
 }  }
   
 sub student_gradeStatus {  # --- Get the symbolic name of a problem and the url
   my ($url,$udom,$uname) = @_;  sub get_symb_and_url {
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      my ($request) = @_;
   my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);      (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
   foreach my $part (&getpartlist($url)) {      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     my ($temp,$part,$type)=split(/_/,$part);      if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
     if ($type eq 'solved') {      return ($symb,$url);
       my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);  
       $status = 'partial' if ($foo =~ /^partially/);  
       $status = 'nothing' if ($status eq '');  
       return $type,$status;  
     }  
   }  
   return '';  
 }  }
   
   # --- Retrieve the fullname for a user. Return lastname, first middle ---
   # --- Generation is attached next to the lastname if it exists. ---
 sub get_fullname {  sub get_fullname {
     my ($sname,$sdom) = @_;      my ($uname,$udom) = @_;
     my %name=&Apache::lonnet::get('environment', ['lastname','generation',      my %name=&Apache::lonnet::get('environment', ['lastname','generation',
   'firstname','middlename'],    'firstname','middlename'],$udom,$uname);
   $sdom,$sname);  
     my $fullname;      my $fullname;
     my ($tmp) = keys(%name);      my ($tmp) = keys(%name);
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {      if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
Line 124  sub get_fullname { Line 83  sub get_fullname {
     return $fullname;      return $fullname;
 }  }
   
 sub listStudents {  #--- Get the partlist and the response type for a given problem. ---
   my ($request) = shift;  #--- Indicate if a response type is coded handgraded or not. ---
   my $cdom      =$ENV{"course.$ENV{'request.course.id'}.domain"};  sub response_type {
   my $cnum      =$ENV{"course.$ENV{'request.course.id'}.num"};      my ($url) = shift;
   my $getsec    =$ENV{'form.section'};      my $allkeys = &Apache::lonnet::metadata($url,'keys');
   my $submitonly=$ENV{'form.submitonly'};      my %seen = ();
       my (@partlist,%handgrade);
   $request->print(<<ENDTABLEST);      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
 <h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>   if (/^\w+response_\d+.*/) {
 &nbsp;<font size=+1><b>Resource:</b> $ENV{'form.url'}<br /><br />      my ($responsetype,$part) = split(/_/,$_,2);
 <form action="/adm/grades" method="post">&nbsp;<b>View Options</b></font><br />      my ($partid,$respid) = split(/_/,$part);
 &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no       $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');
 <input type="radio" name="vProb" value="yes"> yes <br />      next if ($seen{$partid} > 0);
 &nbsp;<b>Submissions: </b>      $seen{$partid}++;
 <input type="radio" name="lastSub" value="lastonly" checked> last sub only      push @partlist,$partid;
 <input type="radio" name="lastSub" value="last"> last sub & parts info   }
 <input type="radio" name="lastSub" value="all"> all details      }
 <input type="hidden" name="section" value="$getsec">      return \@partlist,\%handgrade;
 <input type="hidden" name="submitonly" value="$submitonly">  
 <input type="hidden" name="response" value="$ENV{'form.response'}">  
 <input type="hidden" name="handgrade" value="$ENV{'form.handgrade'}">  
 <table border="0"><tr><td bgcolor="#777777">  
 <table border="0"><tr bgcolor="#e6ffff">  
 <td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>  
 <td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>  
 <td><b>&nbsp;Grade Status&nbsp;</b></td></tr>  
 ENDTABLEST  
   if ($ENV{'form.url'}) {  
       $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");  
   }  
   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 ($classlist) = &getclasslist($getsec,'0');  
   foreach my $student ( sort(@{ $$classlist{$getsec} }) ) {  
       my ($sname,$sdom) = split(/:/,$student);  
       my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname);  
       next if ($status eq 'nothing' && $submitonly eq 'yes');  
   
       my $fullname = &get_fullname($sname,$sdom);  
       if ( $Apache::grades::viewgrades eq 'F' ) {  
   $request->print("\n".'<tr bgcolor="#ffffe6">'.  
   '<td align="center"><input type=checkbox name="stuinfo" value="'.  
   $student.':'.$fullname.'"></td>'."\n".  
   '<td>&nbsp;'.$sname.'&nbsp;</td>'."\n".  
   '<td>&nbsp;'.$fullname.'&nbsp;</td>'."\n".  
   '<td align="middle">&nbsp;'.$sdom.'&nbsp;</td>'."\n");  
   $request->print('<td align="middle">&nbsp;'.$status.'&nbsp;</td>'."\n");  
   
   $request->print('</tr>');  
       }  
   }  
   $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';  
 }  }
   
   #--- Prints a message on screen if a user did something wrong
   #--- Operator error ---
 sub userError {  sub userError {
     my ($request, $reason, $step) = @_;      my ($request, $reason, $step) = @_;
     $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");      $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");
Line 211  sub userError { Line 114  sub userError {
     return '';      return '';
 }  }
   
 #FIXME - needs to handle multiple matches  #--- Dumps the class list with usernames,list of sections,
 sub finduser {  #--- section, ids and fullnames for each user.
   my ($name) = @_;  sub getclasslist {
   my $domain = '';      my ($getsec,$hideexpired) = @_;
   if ( $Apache::grades::viewgrades eq 'F' ) {      my $now = time;
     my ($classlist) = &getclasslist('all','0');      my %classlist=&Apache::lonnet::dump('classlist',
     foreach ( sort(@{ $$classlist{'all'} }) ) {   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
       my ($posname,$posdomain) = split(/:/);   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
       if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }      # codes to check for fields in the classlist
     }      # should contain end:start:id:section:fullname
     return ($name,$domain);      for (keys %classlist) {
   } else {   my (@fields) = split(/:/,$classlist{$_});
     return ($ENV{'user.name'},$ENV{'user.domain'});   %classlist   = &reformat_classlist(\%classlist) if (scalar(@fields) <= 2);
   }   last;
       }
   
       my (@holdsec,@sections,%allids,%stusec,%fullname);
       foreach (keys(%classlist)) {
    my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});
    # still a student?
    if (($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;
    }
       }
       my %seen = ();
       foreach my $item (@holdsec) {
    push (@sections, $item) unless $seen{$item}++;
       }
       return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);
 }  }
   
 sub getclasslist {  # add id, section and fullname to the classlist.db
   my ($getsec,$hideexpired) = @_;  # done to maintain backward compatibility with older versions
   my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});  sub reformat_classlist {
   my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);      my ($classlist) = shift;
   my $now = time;      foreach (sort keys(%$classlist)) {
   my (@holdsec,@sections);   my ($unam,$udom) = split(/:/);
   foreach my $student (keys(%classlist)) {   my $section      = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});
     my ($end,$start)=split(/:/,$classlist{$student});   my $fullname     = &get_fullname ($unam,$udom);
     # still a student?   my %userid       = &Apache::lonnet::idrget($udom,($unam));
     if (($hideexpired) && ($end) && ($end < $now)) {   $$classlist{$_}  = $$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;
       next;      }
     }      my $putresult = &Apache::lonnet::put
     my ($unam,$udom) = split(/:/,$student,2);   ('classlist',\%$classlist,
     my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
     $section = ($section ne '-1' ? $section : 'no');   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     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 {  #find user domain
   my ($url) = @_;  sub finduser {
   my @parts =();      my ($name) = @_;
   my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));      my $domain = '';
   foreach my $key (@metakeys) {      if ( $Apache::grades::viewgrades eq 'F' ) {
     if ( $key =~ m/stores_([0-9]+)_.*/) {   my %classlist=&Apache::lonnet::dump('classlist',
       push(@parts,$key);      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
    my (@fields) = grep /^$name:/, keys %classlist;
    ($name, $domain) = split(/:/,$fields[0]);
    return ($name,$domain);
       } else {
    return ($ENV{'user.name'},$ENV{'user.domain'});
     }      }
   }  
   return @parts;  
 }  }
   
 sub viewstudentgrade {  #--- Prompts a user to enter a username.
   my ($url,$symb,$courseid,$student,@parts) = @_;  sub moreinfo {
   my $result ='';      my ($request,$reason) = @_;
   my $cellclr = '"#ffffdd"';      $request->print("Unable to process request: $reason");
   my ($username,$domain) = split(/:/,$student);      if ( $Apache::grades::viewgrades eq 'F' ) {
    $request->print('<form action="/adm/grades" method="post">'."\n");
   my $fullname = &get_fullname($username,$domain);   if ($ENV{'form.url'}) {
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);      $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
    }
   $result.="<tr bgcolor=$cellclr><td>$username</td><td>$fullname</td><td align=\"middle\">$domain</td>\n";   if ($ENV{'form.symb'}) {
   foreach my $part (@parts) {      $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");
     my ($temp,$part,$type)=split(/_/,$part);   }
     my $score=$record{"resource.$part.$type"};   $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");
     if ($type eq 'awarded' || $type eq 'tries') {   $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");
       $result.='<td align="middle"><input type="text" name="GRADE.'.$student.'.'.$part.'.'.$type.   $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");
   '" value="'.$score.'" size="4" /></td>'."\n";   $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");
     } elsif ($type eq 'solved') {   $request->print('</form>');
       my ($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>partial</option><option>nothing</option>'."\n";  
       $status = 'nothing' if ($status eq '');  
       $optsel =~ s/<option>$status/<option selected="on">$status/;  
       $result.=$optsel;  
       $result.="</select></td>\n";  
     }      }
   }      return '';
   $result.='<td></td></tr>';  
   return $result;  
 }  }
   
 #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an  #--- Retrieve the grade status of a student for all the parts
 #interface based on that, also do that to above function.  sub student_gradeStatus {
 sub setstudentgrade {      my ($url,$symb,$udom,$uname,$partlist) = @_;
   my ($url,$symb,$courseid,$student,@parts) = @_;      my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
   print "set student grade parts=@parts<br>";      my %partstatus = ();
   my $result ='';      foreach (@$partlist) {
   my ($stuname,$domain) = split(/:/,$student);   my ($status,$foo)    = split(/_/,$record{"resource.$_.solved"},2);
   my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);   $status              = 'nothing' if ($status eq '');
   my %newrecord;   $partstatus{$_}      = $status;
    my $subkey           = "resource.$_.submitted_by";
   foreach my $part (@parts) {   $partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
     my ($temp,$part,$type)=split(/_/,$part);      }
     my $oldscore=$record{"resource.$part.$type"};      return %partstatus;
     my $newscore=$ENV{"form.GRADE.$student.$part.$type"};  }
     print "old=$oldscore:new=$newscore:<br>";  
     if ($type eq 'solved') {  
       my $update=0;  #------------------ End of general use routines --------------------
       if ($newscore eq 'nothing' ) {  #-------------------------------------------------------------------
  if ($oldscore ne '') {  
   $update=1;  #------------------------------------ Receipt Verification Routines
   $newscore = '';  #--- Check whether a receipt number is valid.---
  }  sub verifyreceipt {
       } elsif ($oldscore !~ m/^$newscore/) {      my $request  = shift;
  $update=1;  
  $result.="Updating $stuname to $newscore<br />\n";      my $courseid = $ENV{'request.course.id'};
  if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }      my $receipt  = unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }   $ENV{'form.receipt'};
  if ($newscore eq 'excused')   { $newscore = 'excused'; }      $receipt     =~ s/[^\-\d]//g;
  if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }      my $url      = $ENV{'form.url'};
  if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }      my $symb     = $ENV{'form.symb'};
       } else {      unless ($symb) {
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";   $symb    = &Apache::lonnet::symbread($url);
       }      }
       if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }  
       my $jscript='<script type="text/javascript" language="javascript">'."\n".
    '    function viewOneStudent(user,domain) {'."\n".
    ' document.onestudent.student.value = user;'."\n".
    ' document.onestudent.userdom.value = domain;'."\n".
    ' document.onestudent.submit();'."\n".
    '    }'."\n".
    '</script>'."\n";
       $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
    '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="submission" />'."\n".
    '<input type="hidden" name="student" value="" />'."\n".
    '<input type="hidden" name="userdom" value="" />'."\n".
    '</form>'."\n";
   
       my $title.='<h2><font color="#339933">Verifying Submission Receipt '.
    $receipt.'</h2></font>'."\n".
    '<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font><br><br>'."\n";
   
       my ($string,$contents,$matches) = ('','',0);
       my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');
       
       foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {
    my ($uname,$udom)=split(/\:/);
    if ($receipt eq 
       &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
       $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
    '\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
    '<td>&nbsp;'.$udom.'&nbsp;</td></tr>'."\n";
       
       $matches++;
    }
       }
       if ($matches == 0) {
    $string = $title.'No match found for the above receipt.';
     } else {      } else {
       if ($oldscore ne $newscore) {   $string = $jscript.$title.
  $newrecord{"resource.$part.$type"}=$newscore;      'The above receipt matches the following student'.
  $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";      ($matches <= 1 ? '.' : 's.')."\n".
       } else {      '<table border="0"><tr><td bgcolor="#777777">'."\n".
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";      '<table border="0"><tr bgcolor="#e6ffff">'."\n".
       }      '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
       '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
       '<td><b>&nbsp;Domain&nbsp;</b></td></tr>'."\n".
       $contents.
       '</table></td></tr></table>'."\n";
       }
       return $string.&show_grading_menu_form ($symb,$url);
   }
   
   #--- This is called by a number of programs.
   #--- Called from the Grading Menu - View/Grade an individual student
   #--- Also called directly when one clicks on the subm button 
   #    on the problem page.
   sub listStudents {
       my ($request) = shift;
       my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
       my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
       my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
       my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
   
       my $result='<h2><font color="#339933">&nbsp;'.
    'View Submissions for a Student or a Group of Students</font></h2>';
       $result.='<table border="0">';
       $result.='<tr><td colspan=3><font size=+1>'.
    '<b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';
       my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
       for (sort keys(%$handgrade)) {
    my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
    $ENV{'form.handgrade'} = 'yes' if ($handgrade eq 'yes');
    $result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
       '<td><b>Type: </b>'.$responsetype.'</td>'.
       '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';
     }      }
   }      $result.='</table>';
   if ( scalar(keys(%newrecord)) > 0 ) {      $request->print($result);
     $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
 #    &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);  
   
     $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";      $request->print(<<ENDTABLEST);
   }  <form action="/adm/grades" method="post">
   return $result;  &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no 
   <input type="radio" name="vProb" value="yes"> yes <br />
   &nbsp;<b>Submissions: </b>
   <input type="radio" name="lastSub" value="hdgrade" checked /> handgrade only
   <input type="radio" name="lastSub" value="lastonly" /> last sub only
   <input type="radio" name="lastSub" value="last" /> last sub & parts info
   <input type="radio" name="lastSub" value="all" /> all details
   <input type="hidden" name="section" value="$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
       if ($ENV{'form.url'}) {
    $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");
       }
       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 ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');
       
       $result='<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">'.
    '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Fullname&nbsp;</b></td>'.
    '<td><b>&nbsp;Username&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';
       foreach (sort(@$partlist)) {
    $result.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
       }
       $request->print($result.'</tr>'."\n");
   
       foreach my $student (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {
    my ($uname,$udom) = split(/:/,$student);
    my (%status) = &student_gradeStatus($ENV{'form.url'},
       $ENV{'form.symb'},$udom,$uname,$partlist);
    my $statusflg = '';
    foreach (keys(%status)) {
       $statusflg = 1 if ($status{$_} ne 'nothing');
       my ($foo,$partid,$foo1) = split(/\./,$_);
       if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
    $statusflg = '';
    $request->print('<input type="hidden" name="'.
    $student.':submitted_by" value="'.
    $status{'resource.'.$partid.'.submitted_by'}.'" />');
       }
    }
    next if ($statusflg eq '' && $submitonly eq 'yes');
   
    if ( $Apache::grades::viewgrades eq 'F' ) {
       $result='<tr bgcolor="#ffffe6">'.
    '<td align="center"><input type=checkbox name="stuinfo" value="'.
    $student.':'.$$fullname{$student}.'"></td>'."\n".
    '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".
    '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".
    '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";
       
       foreach (sort keys(%status)) {
    next if (/^resource.*?submitted_by$/);
    $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
       }
       $request->print($result.'</tr>'."\n");
    }
       }
       $request->print('</table></td></tr></table>');
       $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');
       return '';
 }  }
   
 #  #---- Called from the listStudents routine
 # --------------------------- show submissions of a student, option to grade --------  #     Displays the submissions for one student or a group of students
 sub submission {  sub processGroup {
   my ($request,$counter,$total) = @_;      my ($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.userdom'}        = $udom;
    $ENV{'form.fullname'}       = $fullname;
    &submission($request,$ctr,$total);
    $ctr++;
       }
       return '';
   }
   
   if ($counter == 0) {  #------------------------------------------------------------------------------------
       $request->print(<<SUBJAVASCRIPT);  #
   #-------------------------- Next few routines handles grading by student, essentially
   #                           handles essay response type problem/part
   #
   #--- Javascript to handle the submission page functionality ---
   sub sub_page_js {
       my $request = shift;
       $request->print(<<SUBJAVASCRIPT);
 <script type="text/javascript" language="javascript">  <script type="text/javascript" language="javascript">
   function updateRadio(radioButton,formtextbox,formsel,wgt) {    function updateRadio(radioButton,formtextbox,formsel,scores,weight) {
      var pts = formtextbox.value;       var pts = formtextbox.value;
      var resetbox =false;       var resetbox =false;
      if (isNaN(pts) || pts < 0) {       if (isNaN(pts) || pts < 0) {
  alert("A number equal or greater than 0 is expected. Entered value = "+pts);          alert("A number equal or greater than 0 is expected. Entered value = "+pts);
  for (var i=0; i<radioButton.length; i++) {          for (var i=0; i<radioButton.length; i++) {
    if (radioButton[i].checked) {             if (radioButton[i].checked) {
       formtextbox.value = i;        formtextbox.value = i;
       resetbox = true;        resetbox = true;
    }     }
Line 370  sub submission { Line 442  sub submission {
    formtextbox.value = "";     formtextbox.value = "";
  }   }
  return;   return;
        }
   
        if (pts > weight) {
           var resp = confirm("You entered a value ("+pts+
             ") greater than the weight for the part. Accept?");
           if (resp == false) {
              formtextbox.value = "";
              return;
          }
     }      }
   
     for (var i=0; i<radioButton.length; i++) {      for (var i=0; i<radioButton.length; i++) {
Line 378  sub submission { Line 459  sub submission {
    radioButton[i].checked=true;     radioButton[i].checked=true;
  }   }
     }      }
     updateSelect(formsel,pts,wgt);      updateSelect(formsel);
       scores.value = "0";
   }    }
   
   function writeBox(formrad,formsel,pts,wgt) {    function writeBox(formrad,formsel,pts,scores) {
     formrad.value = pts;      formrad.value = pts;
     updateSelect(formsel,pts,wgt);      scores.value = "0";
       updateSelect(formsel,pts);
     return;      return;
   }    }
   
   function updateSelect(formsel,pts,wgt) {    function clearRadBox(radioButton,formbox,formsel,scores) {
     if (pts == 0) {      for (var i=0; i<formsel.length; i++) {
       formsel[1].selected = true;   if (formsel[i].selected) {
     }      var selectx=i;
     if (pts > 0 && pts < wgt) {   }
       formsel[4].selected = true;  
     }      }
     if (pts == wgt) {      if (selectx == scores.value) { return };
       formsel[0].selected = true;      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;      return;
   }    }
   
   //===================== Show list of keywords ====================
   function keywords(keyform) {    function keywords(keyform) {
     var keywds = keyform.value;      var keywds = keyform.value;
     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);      var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);
     if (nret==null) return;      if (nret==null) return;
     keyform.value = nret;      keyform.value = nret;
   
       document.SCORE.refresh.value = "on";
       if (document.SCORE.keywords.value != "") {
    document.SCORE.submit();
       }
       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;      return;
   }    }
   
Line 418  sub submission { Line 522  sub submission {
  alert("Select a word or group of words from document and then click this link.");   alert("Select a word or group of words from document and then click this link.");
  return;   return;
     }      }
     var nret = prompt("Add selection to keyword list?",cleantxt);      var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
     if (nret==null) return;      if (nret==null) return;
     var curlist = document.SCORE.keywords.value;      var curlist = document.SCORE.keywords.value;
     document.SCORE.keywords.value = curlist+" "+nret;      document.SCORE.keywords.value = curlist+" "+nret;
       document.SCORE.refresh.value = "on";
       if (document.SCORE.keywords.value != "") {
    document.SCORE.submit();
       }
     return;      return;
   }    }
   
Line 432  sub submission { Line 540  sub submission {
     var subject = msgform.msgsub.value;      var subject = msgform.msgsub.value;
     var rtrchk  = eval("document.SCORE.includemsg"+usrctr);      var rtrchk  = eval("document.SCORE.includemsg"+usrctr);
     var msgchk = rtrchk.value;      var msgchk = rtrchk.value;
 //    alert("checked=>"+msgchk);  
     re = /msgsub/;      re = /msgsub/;
     var shwsel = "";      var shwsel = "";
     if (re.test(msgchk)) { shwsel = "checked" }      if (re.test(msgchk)) { shwsel = "checked" }
Line 454  sub submission { Line 561  sub submission {
     return;      return;
   }    }
   
 function savedMsgHeader(Nmsg,usrctr,fullname) {    function savedMsgHeader(Nmsg,usrctr,fullname) {
     var height = 30*Nmsg+250;      var height = 30*Nmsg+250;
     var scrollbar = "no";      var scrollbar = "no";
     if (height > 600) {      if (height > 600) {
Line 463  function savedMsgHeader(Nmsg,usrctr,full Line 570  function savedMsgHeader(Nmsg,usrctr,full
     }      }
 /*    if (window.pWin)  /*    if (window.pWin)
  window.pWin.close(); */   window.pWin.close(); */
     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',width=600,height='+height);      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("<html><head>");
     pWin.document.write("<title>Message Central</title>");      pWin.document.write("<title>Message Central</title>");
   
Line 494  function savedMsgHeader(Nmsg,usrctr,full Line 601  function savedMsgHeader(Nmsg,usrctr,full
     pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");      pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");
     pWin.document.write("  includemsg.value = msgchk;");      pWin.document.write("  includemsg.value = msgchk;");
   
 //    pWin.document.write("  alert(\\"slected=\\"+msgchk)");  
     pWin.document.write("  self.close()");      pWin.document.write("  self.close()");
   
     pWin.document.write("}");      pWin.document.write("}");
Line 526  function displaySavedMsg(ctr,msg,shwsel) Line 632  function displaySavedMsg(ctr,msg,shwsel)
     pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");      pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");
 }  }
   
 function newMsg(newmsg,shwsel) {    function newMsg(newmsg,shwsel) {
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");      pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
     pWin.document.write("<td align=\\"center\\">New</td>");      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 align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
     pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");      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() {    function msgTail() {
     pWin.document.write("</table>");      pWin.document.write("</table>");
     pWin.document.write("</td></tr></table>&nbsp;");      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=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
Line 574  function msgTail() { Line 680  function msgTail() {
   }    }
   
   
 function highlightCentral() {    function highlightCentral() {
     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300');      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("<html><head>");
     hwdWin.document.write("<title>Highlight Central</title>");      hwdWin.document.write("<title>Highlight Central</title>");
   
     hwdWin.document.write("<script language=javascript>");      hwdWin.document.write("<script language=javascript>");
     hwdWin.document.write("function updateChoice() {");      hwdWin.document.write("function updateChoice(flag) {");
     hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");      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.kwsize.value = radioSelection(document.hlCenter.kwdsize);");
     hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");      hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");
       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("  self.close()");      hwdWin.document.write("  self.close()");
     hwdWin.document.write("}");      hwdWin.document.write("}");
   
Line 608  function highlightCentral() { Line 718  function highlightCentral() {
     hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");      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("<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>");      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) {     function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
     hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");      hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");
     hwdWin.document.write("<td align=\\"left\\">");      hwdWin.document.write("<td align=\\"left\\">");
     hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");      hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
Line 619  function highlightbody(clrval,clrtxt,clr Line 729  function highlightbody(clrval,clrtxt,clr
     hwdWin.document.write("<td align=\\"left\\">");      hwdWin.document.write("<td align=\\"left\\">");
     hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");      hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
     hwdWin.document.write("</tr>");      hwdWin.document.write("</tr>");
  }    }
   
 function highlightend() {     function highlightend() { 
     hwdWin.document.write("</table>");      hwdWin.document.write("</table>");
     hwdWin.document.write("</td></tr></table>&nbsp;");      hwdWin.document.write("</td></tr></table>&nbsp;");
     hwdWin.document.write("<input type=\\"button\\" value=\\"Set Options\\" onClick=\\"javascript:updateChoice()\\">&nbsp;&nbsp;");  //    hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");
       hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
     hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");      hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
     hwdWin.document.write("</form>");      hwdWin.document.write("</form>");
     hwdWin.document.write("</body></html>");      hwdWin.document.write("</body></html>");
 }    }
   
 </script>  </script>
 SUBJAVASCRIPT  SUBJAVASCRIPT
 }  }
   (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 ''; }  
   my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');  
   
   # header info  
   if ($counter == 0) {  
       $request->print('<h2>&nbsp;<font color="#339933">Submission Record</font></h2>'.  
       '<font size=+1>&nbsp;<b>Resource: </b>'.$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' && $counter == 0) {  
       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);  
   }  
   
   # beginning of form  # --------------------------- show submissions of a student, option to grade 
   if ($counter == 0) {  sub submission {
       my %keyhash = &Apache::lonnet::dump('nohist_handgrade',      my ($request,$counter,$total) = @_;
                  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   
       my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};  
       # if the handgrade db has never being initialized then set some default values  
       if ($keyhash{$symb.'_handgrade'} eq '') {  
   $keyhash{$symb.'_keywords'}     = '';  
   $keyhash{$symb.'_subject'}      = &Apache::lonnet::metadata($url,'title');  
   $keyhash{$loginuser.'_kwclr'}   = $keyhash{$loginuser.'_kwclr'}   eq '' ? 'red' : $keyhash{$loginuser.'_kwclr'};  
   $keyhash{$loginuser.'_kwsize'}  = $keyhash{$loginuser.'_kwsize'}  eq '' ? '0' : $keyhash{$loginuser.'_kwsize'};  
   $keyhash{$loginuser.'_kwstyle'} = $keyhash{$loginuser.'_kwstyle'} eq '' ? ''  : $keyhash{$loginuser.'_kwstyle'};  
    $keyhash{$symb.'_savemsgN'}     = '0';  
       }  
       $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".  
       '<input type="hidden" name="symb"       value="'.$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="'.$ENV{'form.lastSub'}.'" />'."\n".  
       '<input type="hidden" name="section"    value="'.$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{$symb.'_keywords'}.'" />'."\n".  
       '<input type="hidden" name="kwclr"      value="'.$keyhash{$loginuser.'_kwclr'}.'" />'."\n".  
       '<input type="hidden" name="kwsize"     value="'.$keyhash{$loginuser.'_kwsize'}.'" />'."\n".  
       '<input type="hidden" name="kwstyle"    value="'.$keyhash{$loginuser.'_kwstyle'}.'" />'."\n".  
       '<input type="hidden" name="msgsub"     value="'.$keyhash{$symb.'_subject'}.'" />'."\n".  
       '<input type="hidden" name="savemsgN"   value="'.$keyhash{$symb.'_savemsgN'}.'" />'."\n".  
       '<input type="hidden" name="NCT"'.  
       ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");  
   
       my ($cts,$prnmsg) = (1,'');  
       while ($cts <= $keyhash{$symb.'_savemsgN'}) {  
   $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.$keyhash{$symb.'_savemsg'.$cts}.'" />'."\n";  
   $cts++;  
       }  
       $request->print($prnmsg);  
   
       if ($ENV{'form.handgrade'} eq 'yes') {      (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
   $request->print(<<KEYWORDS);  #    if ($ENV{'form.student'} eq '') { &moreinfo($request,'Need student login id'); return ''; }
 &nbsp;<b>Keyword Options</b>&nbsp;      my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
 <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>Keyword List</a>&nbsp; &nbsp;      ($uname,$udom)        = &finduser($uname) if $udom eq '';
       $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} eq '';
   #    if ($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">';
       $result.='<b> View of the problem for '.$ENV{'form.fullname'}.
    '</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';
   
    }
   
    $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
    '<input type="hidden" name="command"    value="handgrade" />'."\n".
    '<input type="hidden" name="refresh"    value="off" />'."\n".
    '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
    '<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\n".
    '<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
    '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\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="keywords"   value="'.$ENV{'form.keywords'}.'" />'."\n".
    '<input type="hidden" name="kwclr"      value="'.$ENV{'form.kwclr'}.'" />'."\n".
    '<input type="hidden" name="kwsize"     value="'.$ENV{'form.kwsize'}.'" />'."\n".
    '<input type="hidden" name="kwstyle"    value="'.$ENV{'form.kwstyle'}.'" />'."\n".
    '<input type="hidden" name="msgsub"     value="'.$ENV{'form.msgsub'}.'" />'."\n".
    '<input type="hidden" name="savemsgN"   value="'.$ENV{'form.savemsgN'}.'" />'."\n".
    '<input type="hidden" name="NCT"'.
    ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
   
    my ($cts,$prnmsg) = (1,'');
    while ($cts <= $ENV{'form.savemsgN'}) {
       $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
    ($keyhash{$symb.'_savemsg'.$cts} eq '' ? $ENV{'form.savemsg'.$cts} : $keyhash{$symb.'_savemsg'.$cts}).
    '" />'."\n";
       $cts++;
    }
    $request->print($prnmsg);
   
    if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {
       $request->print(<<KEYWORDS);
   &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"  <a href="#" onMouseDown="javascript:getSel(); return false"
  CLASS="page">Paste Selection to Keyword list</a>&nbsp; &nbsp;   CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
 <a href="javascript:kwhighlight()"; TARGET=_self>Keyword Highlight Attribute</a><br /><br />  <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
 KEYWORDS  KEYWORDS
       }          }
   }      }
   
   # Student info      my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
   $request->print(($counter == 0 ? '' : '<br /><hr><br />'));      my ($partlist,$handgrade) = &response_type($url);
   my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom));  
   my $result.='<table border="0"><tr><td><b>Username: </b>'.$uname.  
       '</td><td><b>Fullname: </b>'.$fullname.  
       '</td><td><b>Domain: </b>'.$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.='</table>'."\n";  
   $request->print($result);  
   
   # print student answer      # Display student info
   if ($ENV{'form.lastSub'} eq 'lastonly') {      $request->print(($counter == 0 ? '' : '<br />'));
       my ($string,$timestamp)=&get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});      my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'.
       $string=&keywords_highlight($string);   '<table border="0" width=100%><tr bgcolor="#edffff"><td>';
       my $lastsubonly='<table border="0" width=100%><tr><td bgcolor="#777777">';  
       $lastsubonly.='<table border="0" width=100%><tr bgcolor="#e6ffff">';  #    $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$ENV{'form.fullname'}.
       $lastsubonly.='<td><b>Last Submission Only</b>'.      $result.='<b>Fullname: </b>'.$ENV{'form.fullname'}.
   ($timestamp eq '' ? '' : '&nbsp; &nbsp; <b>Date Submitted:</b> '.$timestamp).'</td></tr>';   '<font color="#999999">&nbsp; &nbsp;Username: '.$uname.'</font>'.
       $lastsubonly.='<tr><td bgcolor="#ffffe6">';   '<font color="#999999">&nbsp; &nbsp;Domain: '.$udom.'</font><br />';
       $lastsubonly.=$string;  
       $lastsubonly.='</td></tr></table></td></tr></table>'."\n";      # If this is handgraded, then check for collaborators
       $request->print($lastsubonly);      my $col_flag = 0;
   } else {      if ($ENV{'form.handgrade'} eq 'yes') {
       $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,   my @col_list;
        $ENV{'request.course.id'},$last,   ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');
        '.submission','Apache::grades::keywords_highlight'));   for (keys (%$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.='<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;
       }
       $col_flag++;
       push @col_list, $collaborator;
       $result.=$$fullname{$collaborator.':'.$udom}.'&nbsp; &nbsp; &nbsp;';
    }
    $result.='<br />'."\n";
    $result.='<table border="0"><tr bgcolor="#ffbbbb"><td>'.
       'This student has submitted '.
       (scalar (@badcollaborators) > 1 ? '' : 'an').
       ' invalid collaborator'.(scalar (@badcollaborators) > 1 ? 's. ' : '. ').
       (join ', ',@badcollaborators).'</td></tr></table>' 
       if (scalar(@badcollaborators) > 0);
   
    $result.='<table border="0"><tr bgcolor="#ffbbbb"><td>'.
       'This student has submitted too many collaborators. Maximum is '.
       $ncol.'.</td></tr></table>' if (scalar(@collaborators) > $ncol);
    $result.='<input type="hidden" name="collaborator'.$counter.
       '" value="'.(join ':',@col_list).'" />'."\n";
       }
    }
       }
    }
       }
       $request->print($result."\n");
   
       # print student answer/submission
       # Options are (1) Handgaded submission only
       #             (2) Last submission, includes submission that is not handgraded 
       #                  (for multi-response type part)
       #             (3) Last submission plus the parts info
       #             (4) The whole record for this student
       if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
    if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {
       my $submitby=''.
    '<b>Collaborative submission by: </b>'.
    '<a href="javascript:viewSubmitter(\''.
    $ENV{'form.'.$uname.':'.$udom.':submitted_by'}.
    '\')"; TARGET=_self>'.
    $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
       $request->print($submitby);
    } else {
       my ($string,$timestamp)=
    &get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});
       my $lastsubonly.=''.
    ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
    $$timestamp).'';
       if ($$timestamp eq '') {
    $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';
       } else {
    for my $part (sort keys(%$handgrade)) {
       foreach (@$string) {
    my ($partid,$respid) = /^resource\.(\d+)\.(\d+)\.submission/;
    if ($part eq ($partid.'_'.$respid)) {
       my ($ressub,$subval) = split(/:/,$_,2);
       $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
    $partid.'</b> <font color="#999999">( ID '.$respid.
    ' )</font>&nbsp; &nbsp;<b>Answer: </b>'.
    &keywords_highlight($subval).'</td></tr>'
    if ($ENV{'form.lastSub'} eq 'lastonly' || 
       ($ENV{'form.lastSub'} eq 'hdgrade' && 
        $$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'));
       }
       
       # return if view submission with no grading option
       if ($ENV{'form.showgrading'} eq '') {
    $request->print('</td></tr></table></td></tr></table></form>');
    return;
       }
   
   my $wgt    = &Apache::lonnet::EXT('resource.partid.weight',$symb,$udom,$uname);      # Grading options
   my $wgtmsg = ($wgt > 0 ? '(problem weight)' : '<font color="red">problem weight assigned by computer</font>');      $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
   $wgt       = ($wgt > 0 ? $wgt : '1');   '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
   my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);   '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";
   my $score  = ($record{'resource.0.awarded'} eq '' ? '' : $record{'resource.0.awarded'}*$wgt);      $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
    ',\''.$ENV{'form.fullname'}.'\')"; TARGET=_self>'.
   # display grading options   'Compose Message to student'.($col_flag > 1 ? 's' : '').'</a>'.
   $result='<input type="hidden" name="WGT'.$counter.'" value="'.$wgt.'" />'.   '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
       '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";   if ($ENV{'form.handgrade'} eq 'yes');
   $result.='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";      $request->print($result);
   $result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n";  
   $result.='<table border="0"><tr><td><b>Points</b></td><td>';      my %seen = ();
       my @partlist;
   my $ctr = 0;      for (sort keys(%$handgrade)) {
   $result.='<table border="0"><tr>';  # display radio buttons in a nice table with 10 across   my ($partid,$respid) = split(/_/);
   while ($ctr<=$wgt) {   next if ($seen{$partid} > 0);
       $result.= '<td><input type="radio" name="RADVAL'.$counter.'" '.   $seen{$partid}++;
   'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.   next if ($$handgrade{$_} =~ /:no$/);
     ',this.form.GRADE_SEL'.$counter.','.$ctr.','.$wgt.')" '.   push @partlist,$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);
    $result='<input type="hidden" name="WGT'.$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.'_'.$partid.'" '.
    'onclick="javascript:writeBox(this.form.GD_BOX'.$counter.'_'.$partid.
    ',this.form.GD_SEL'.$counter.'_'.$partid.','.$ctr.
    ',this.form.stores'.$counter.'_'.$partid.')" '.
  ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";   ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
       $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');      $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
       $ctr++;      $ctr++;
   }   }
   $result.='</tr></table>';   $result.='</tr></table>';
   
   $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';   $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';
   $result.='<td><input type="text" name="GRADE_BOX'.$counter.'"'.   $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
       ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.      ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
        'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.      'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.
         ',this.form.GRADE_BOX'.$counter.      ',this.form.GD_BOX'.$counter.'_'.$partid.
    ',this.form.GRADE_SEL'.$counter.',\''.$wgt.'\')" /></td>'."\n";      ',this.form.GD_SEL'.$counter.'_'.$partid.
   $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';      ',this.form.stores'.$counter.'_'.$partid.
       ','.$wgt.')" /></td>'."\n";
   foreach my $part (&getpartlist($url)) {   $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';
     my ($temp,$part,$type)=split(/_/,$part);  
     if ($type eq 'solved') {   $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
       my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2);      'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.
       $status = 'partial' if ($foo =~ /partially/);      ',this.form.GD_BOX'.$counter.'_'.$partid.
       $status = 'nothing' if ($status eq '');      ',this.form.GD_SEL'.$counter.'_'.$partid.
       $result.='<select name="GRADE_SEL'.$counter.'">'."\n";      ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".
       my $optsel = '<option>correct</option><option>incorrect</option>'.      '<option selected="on"> </option>'.
   '<option>excused</option><option>ungraded</option>'.      '<option>excused</option></select>'."&nbsp&nbsp\n";
       '<option>partial</option><option>nothing</option>'."\n";   $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';
       $optsel =~ s/<option>$status/<option selected="on">$status/;   $result.='</td></tr></table>';
       $result.=$optsel;   $request->print($result);
       $result.="</select>&nbsp&nbsp\n";      }
       $result.='<a href="javascript:msgCenter(document.SCORE,'.$counter.      $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");
   ',\''.$fullname.'\')"; TARGET=_self>Compose Message</a></td></tr>'."\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 '';
   $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 '';  
 }  }
   
   #--- Retrieve the last submission for all the parts
 sub get_last_submission {  sub get_last_submission {
   my ($symb,$username,$domain,$course)=@_;      my ($symb,$username,$domain,$course)=@_;
   if ($symb) {      if ($symb) {
       my ($string,$timestamp);   my (@string,$timestamp);
      my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);   my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);
      if ($returnhash{'version'}) {   if ($returnhash{'version'}) {
  my %lasthash=();      my %lasthash=();
  my ($version);      my ($version);
  for ($version=1;$version<=$returnhash{'version'};$version++) {      for ($version=1;$version<=$returnhash{'version'};$version++) {
   foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {   foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {
       $lasthash{$_}=$returnhash{$version.':'.$_};      $lasthash{$_}=$returnhash{$version.':'.$_};
   }   }
         }      }
  foreach ((keys %lasthash)) {      foreach ((keys %lasthash)) {
     if ($_ =~ /\.submission$/) {$string = $lasthash{$_}}   if ($_ =~ /\.submission$/) {
     if ($_ =~ /timestamp/) {$timestamp=scalar(localtime($lasthash{$_}))};      my ($partid,$foo) = split(/submission$/,$_);
       my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
    '<font color="red">Draft Copy</font> ' : '';
       push @string, (join(':',$_,$draft.$lasthash{$_}));
    }
    if ($_ =~ /timestamp/) {$timestamp = scalar(localtime($lasthash{$_}))};
       }
  }   }
    @string = $string[0] eq '' ? 'Nothing submitted - no attempts.' : @string;
    return \@string,\$timestamp;
     }      }
      $string = $string eq '' ? 'Nothing submitted - no attempts.' : $string;  
      return $string,$timestamp;  
   }  
 }  }
   
   #--- High light keywords, with style choosen by user.
 sub keywords_highlight {  sub keywords_highlight {
   my $string  = shift;      my $string    = shift;
   (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;      my $size      = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      my $styleon   = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
   my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};      (my $styleoff = $styleon) =~ s/\</\<\//;
       my @keylist   = split(/[,\s+]/,$ENV{'form.keywords'});
   my @kwkeys = ($symb.'_keywords',      foreach (@keylist) {
  $loginuser.'_kwclr',   $string =~ s/\b$_(\b|\.)/\<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff\<\/font\>/gi;
  $loginuser.'_kwsize',      }
  $loginuser.'_kwstyle'      return $string;
  );  
   
   my %keyhash = &Apache::lonnet::get  
       ('nohist_handgrade',\@kwkeys,  
        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
        $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   my @keylist = split(/[,\s+]/,$keyhash{$symb.'_keywords'});  
   my $size    = $keyhash{$kwkeys[2]} eq '0' ? '' : 'size='.$keyhash{$kwkeys[2]};  
   my $styleon = $keyhash{$kwkeys[3]} eq ''  ? '' : $keyhash{$kwkeys[3]};  
   (my $styleoff = $styleon) =~ s/\</\<\//;  
   foreach my $word (@keylist) {  
       next if ($word eq '');  
       $string =~ s/\b$word(\b|\.)/\<font color\=$keyhash{$kwkeys[1]} $size\>$styleon$word$styleoff\<\/font\>/gi;  
   }  
   return $string;  
 }  }
   
   #--- Called from submission routine
 sub processHandGrade {  sub processHandGrade {
   my ($request) = shift;      my ($request) = shift;
   my $url    = $ENV{'form.url'};      my $url    = $ENV{'form.url'};
   my $symb   = $ENV{'form.symb'};      my $symb   = $ENV{'form.symb'};
   my $button = $ENV{'form.gradeOpt'};      my $button = $ENV{'form.gradeOpt'};
   my $ngrade = $ENV{'form.NCT'};      my $ngrade = $ENV{'form.NCT'};
   my $ntstu  = $ENV{'form.NTSTU'};      my $ntstu  = $ENV{'form.NTSTU'};
   
   my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};      if ($button eq 'Save & Next') {
   my %keyhash = ();   my $ctr = 0;
   $keyhash{$symb.'_handgrade'} = 'activated';   while ($ctr < $ngrade) {
   $keyhash{$symb.'_keywords'} = $ENV{'form.keywords'};      my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
   $keyhash{$symb.'_subject'} = $ENV{'form.msgsub'};      my ($errorflg) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
   $keyhash{$loginuser.'_kwclr'} = $ENV{'form.kwclr'};      return '' if ($errorflg eq 'error');
   $keyhash{$loginuser.'_kwsize'} = $ENV{'form.kwsize'};  
   $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};      my $includemsg = $ENV{'form.includemsg'.$ctr};
       my ($subject,$message,$msgstatus) = ('','','');
   my ($ctr,$idx) = (1,1);      if ($includemsg =~ /savemsg|new$ctr/) {
   while ($ctr <= $ENV{'form.savemsgN'}) {   $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
       if ($ENV{'form.savemsg'.$ctr} ne '') {   my (@msgnum) = split(/,/,$includemsg);
   $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};   foreach (@msgnum) {
   $idx++;      $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
       }   }
       $ctr++;   $message =~ s/\s+/ /g;
   }   $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
   $ctr = 0;         $ENV{'form.msgsub'},$message);
   while ($ctr < $ngrade) {      }
       if ($ENV{'form.newmsg'.$ctr} ne '') {      if ($ENV{'form.collaborator'.$ctr}) {
   $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};   my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
   $idx++;   foreach (@collaborators) {
       }      &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
       $ctr++;     $ENV{'form.unamedom'.$ctr});
   }      if ($message ne '') {
    $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
          $ENV{'form.msgsub'},
          $message);
       }
    }
       }
       $ctr++;
    }
       }
   
   $keyhash{$symb.'_savemsgN'} = --$idx;      # Keywords sorted in alphabatical order
   my $putresult = &Apache::lonnet::put      my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
       ('nohist_handgrade',\%keyhash,      my %keyhash = ();
        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},      $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
        $ENV{'course.'.$ENV{'request.course.id'}.'.num'});      $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
       my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
   my (@parts) = sort(&getpartlist($url));      $ENV{'form.keywords'} = join(' ',@keywords);
       $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
   if ($button eq 'Save & Next') {      $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
       my $ctr = 0;      $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
       while ($ctr < $ngrade) {      $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
   my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});      $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
   &saveHandGrade($url,$symb,$uname,$udom,$ctr,@parts);  
   if ($ENV{'form.collaborator'.$ctr}) {      # message center - Order of message gets changed. Blank line is eliminated.
       my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});      # New messages are saved in ENV for the next student.
       foreach (@collaborators) {      # All messages are saved in nohist_handgrade.db
   &saveHandGrade($url,$symb,$_,$udom,$ctr,@parts);      my ($ctr,$idx) = (1,1);
       }      while ($ctr <= $ENV{'form.savemsgN'}) {
   }   if ($ENV{'form.savemsg'.$ctr} ne '') {
   $ctr++;      $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
       }      $idx++;
   }   }
   my $firststu = $ENV{'form.unamedom0'};   $ctr++;
   my $laststu  = $ENV{'form.unamedom'.($ngrade-1)};      }
       $ctr = 0;
       while ($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'});
   
       # Called by Save & Refresh from Highlight Attribute Window
       if ($ENV{'form.refresh'} eq 'on') {
    my $ctr = 0;
    $ENV{'form.NTSTU'}=$ngrade;
    while ($ctr < $ngrade) {
       ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$ENV{'form.unamedom'.$ctr});
       &submission($request,$ctr,$ngrade-1);
       $ctr++;
    }
    return '';
       }
   
   my ($classlist) = &getclasslist($ENV{'form.section'},'0');      # Get the next/previous one or group of students
 #  print "first=$firststu,last=$laststu<br>";      my $firststu = $ENV{'form.unamedom0'};
   my (@nextlist,@prevlist);      my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
   my ($nextflg,$prevflg,$ctr,$ctprev) = (0,0,0,0);      $ctr = 2;
   foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {      while ($laststu eq '') {
       my ($uname,$udom) = split(/:/,$student);   $laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
       my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname);   $ctr++;
       next if ($status eq 'nothing' && $ENV{'form.submitonly'} eq 'yes');   $laststu = $firststu if ($ctr > $ngrade);
       }
       if ($nextflg == 1 && $button =~ /Next$/) {  
   push @nextlist,$uname if ($ctr < $ntstu);      my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
   $ctr++;      my (@parsedlist,@nextlist);
       }      my ($nextflg) = 0;
       $nextflg = 1 if ($student eq $laststu);      foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {
       $prevflg = 1 if ($student eq $firststu);   if ($nextflg == 1 && $button =~ /Next$/) {
       if ($prevflg == 0 && $button eq 'Previous') {      push @parsedlist,$_;
   push @prevlist,$uname;   }
   $ctprev++;   $nextflg = 1 if ($_ eq $laststu);
       }   if ($button eq 'Previous') {
   }      last if ($_ eq $firststu);
 #  print "next student=@nextlist<br>";      push @parsedlist,$_;
   if ($button eq 'Previous') {   }
       if ($ctprev <= $ntstu) {      }
   @nextlist = @prevlist;      $ctr = 0;
       } else {      my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
   my $idx = 0;      @parsedlist = reverse @parsedlist if ($button eq 'Previous');
   my $start = $ctprev - $ntstu;      foreach my $student (@parsedlist) {
   while ($idx < $ntstu) {   my ($uname,$udom) = split(/:/,$student);
       $nextlist[$idx] = $prevlist[$start+$idx];   if ($ENV{'form.submitonly'} eq 'yes') {
       $idx++;      my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;
   }      my $statusflg = '';
       }      foreach (keys(%status)) {
   }   $statusflg = 1 if ($status{$_} ne 'nothing');
   $ctr = 0;   my ($foo,$partid,$foo1) = split(/\./);
   my $total = scalar(@nextlist)-1;   $statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
   foreach my $student (@nextlist) {      }
       $ENV{'form.student'} = $student;      next if ($statusflg eq '');
       &submission($request,$ctr,$total);   }
       $ctr++;   push @nextlist,$student if ($ctr < $ntstu);
   }   $ctr++;
       }
   
       $ctr = 0;
       my $total = scalar(@nextlist)-1;
   
   return 'The End';      foreach (sort @nextlist) {
    my ($uname,$udom,$submitter) = split(/:/);
    $ENV{'form.student'}  = $uname;
    $ENV{'form.userdom'}  = $udom;
    $ENV{'form.fullname'} = $$fullname{$_};
   # $ENV{'form.'.$_.':submitted_by'} = $submitter;
   # print "submitter=$ENV{'form.'.$_.':submitted_by'}= $submitter:<br>";
    &submission($request,$ctr,$total);
    $ctr++;
       }
       if ($total < 0) {
    my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
    $the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
    $the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
    $the_end.=&show_grading_menu_form ($symb,$url);
    $request->print($the_end);
       }
       return '';
 }  }
   
   #---- Save the score and award for each student, if changed
 sub saveHandGrade {  sub saveHandGrade {
   my ($url,$symb,$stuname,$domain,$newflg,@parts) = @_;      my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;
   my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);      my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
   my %newrecord;      my %newrecord;
       foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
   foreach my $part (@parts) {   if ($ENV{'form.GD_SEL'.$newflg.'_'.$_} eq 'excused') {
     my ($temp,$part,$type)=split(/_/,$part);      $newrecord{'resource.'.$_.'.solved'} = 'excused' 
     my $oldscore=$record{"resource.$part.$type"};   if ($record{'resource.'.$_.'.solved'} ne 'excused');
     my $newscore;   } else {
     if ($type eq 'awarded' && $newflg >= 0) {      my $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
  my $pts    = ($ENV{'form.GRADE_BOX'.$newflg} ne '' ?          $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
       $ENV{'form.GRADE_BOX'.$newflg} : $ENV{'form.RADVAL'.$newflg});         $ENV{'form.RADVAL'.$newflg.'_'.$_});
  my $wgt    = $ENV{'form.WGT'.$newflg};      if ($pts eq '') {
 # my $sel    = $ENV{'form.GRADE_SEL'.$newflg};   &userError($request,'No point was assigned for part '.$_.
  $newscore  = $pts/$wgt if ($wgt != 0);     ' and for username '.$stuname.'.');
     }   return 'error';
     if ($type eq 'solved') {      }
       $newscore = $ENV{'form.GRADE_SEL'.$newflg} if ($newflg >= 0);      my $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
       my $update=0;   $ENV{'form.WGT'.$newflg.'_'.$_};
       if ($newscore eq 'nothing' ) {      my $partial= $pts/$wgt;
  if ($oldscore ne '') {      $newrecord{'resource.'.$_.'.awarded'}  = $partial 
   $update=1;   if ($record{'resource.'.$_.'.awarded'} ne $partial);
   $newscore = '';      my $reckey = 'resource.'.$_.'.solved';
  }      if ($partial == 0) {
       } elsif ($oldscore !~ m/^$newscore/) {   $newrecord{$reckey} = 'incorrect_by_override' 
  $update=1;      if ($record{$reckey} ne 'incorrect_by_override');
  if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }      } else {
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }   $newrecord{$reckey} = 'correct_by_override' 
  if ($newscore eq 'excused')   { $newscore = 'excused'; }      if ($record{$reckey} ne 'correct_by_override');
  if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }      }
  if ($newscore eq 'partial')   { $newscore = 'correct_partially_by_override'; }      $newrecord{'resource.'.$_.'.submitted_by'} = $submitter 
       }   if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));
       if ($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 {      if (scalar(keys(%newrecord)) > 0) {
   my ($request) = @_;   $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
   (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;   &Apache::lonnet::cstore(\%newrecord,$symb,
   my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));   $ENV{'request.course.id'},$domain,$stuname);
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }      }
   return ($symb,$url);      return '';
 }  }
   
 sub show_grading_menu_form {  #--------------------------------------------------------------------------------------
   my ($symb,$url)=@_;  #
   my $result.='<form action="/adm/grades" method="post">'."\n".  #-------------------------- Next few routines handles grading by section or whole class
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  #
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".  #--- Javascript to handle grading by section or whole class
  '<input type="hidden" name="command" value="gradingmenu" />'."\n".  sub viewgrades_js {
   '<input type="submit" name="submit" value="Grading Menu" />'."\n".      my ($request) = shift;
     '</form>'."\n";  
   return $result;  
 }  
   
 sub gradingmenu {      $request->print(<<VIEWJAVASCRIPT);
   my ($request) = @_;  <script type="text/javascript" language="javascript">
   my ($symb,$url)=&get_symb_and_url($request);      function viewOneStudent(user,domain) {
   if (!$symb) {return '';}   document.onestudent.student.value = user;
   my $allkeys = &Apache::lonnet::metadata($url,'keys');   document.onestudent.userdom.value = domain;
   my $handgrade = ($allkeys =~ /parameter_.*?_handgrade/ ? 'yes' : 'no');   document.onestudent.submit();
   my ($responsetype,$foo) = split(/_/,&Apache::lonnet::metadata($url,'packages'));      }
   
   my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';      function writePoint(partid,weight,point) {
   $result.='<table border="0">';   var radioButton = eval("document.classgrade.RADVAL_"+partid);
   $result.='<tr><td><font size=+1><b>Resource: </b></font></td>'.   var textbox = eval("document.classgrade.TEXTVAL_"+partid);
       '<td><font size=+1>'.$url.'</font></td></tr>';   if (point == "textval") {
   $result.='<tr><td><font size=+1><b>Type: </b></font></td>'.      var point = eval("document.classgrade.TEXTVAL_"+partid+".value");
       '<td><font size=+1>'.$responsetype.'&nbsp;&nbsp;<b>Handgrade: </b>'.$handgrade.'</font></td></tr>';      if (isNaN(point) || point < 0) {
   $result.='</table>';   alert("A number equal or greater than 0 is expected. Entered value = "+point);
    var resetbox = false;
   $result.=&view_edit_entire_class_form($symb,$url).'<br />';   for (var i=0; i<radioButton.length; i++) {
   $result.=&upcsvScores_form($symb,$url).'<br />';      if (radioButton[i].checked) {
   $result.=&viewGradeaStu_form($symb,$url,$responsetype,$handgrade).'<br />';   textbox.value = i;
   $result.=&verifyReceipt_form($symb,$url);   resetbox = true;
   return $result;      }
 }   }
    if (!resetbox) {
       textbox.value = "";
    }
    return;
       }
       if (point > weight) {
    var resp = confirm("You entered a value ("+point+
      ") greater than the weight for the part. Accept?");
    if (resp == false) {
       textbox.value = "";
       return;
    }
       }
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
    if (point == i) {
       radioButton[i].checked=true;
    }
       }
   
 sub view_edit_entire_class_form {   } else {
   my ($symb,$url)=@_;      textbox.value = point;
   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";   }
   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";   for (i=0;i<document.classgrade.total.value;i++) {
   $result.='&nbsp;<b>View/Grade Entire Class</b></td></tr>'."\n";      var user = eval("document.classgrade.ctr"+i+".value");
   $result.='<tr bgcolor=#ffffe6><td>'."\n";      var scorename = eval("document.classgrade.GD_"+user+
   $result.='<form action="/adm/grades" method="post">'."\n".   "_"+partid+"_aw");
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      var saveval   = eval("document.classgrade.GD_"+user+
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".   "_"+partid+"_sv_s.value");
   '<input type="hidden" name="command" value="viewgrades" />'."\n";      var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_sv");
   $result.='&nbsp;<b>Display students who has: </b>'.      if (saveval != "correct") {
       '<input type="radio" name="submitonly" value="yes" checked> submitted'.   scorename.value = point;
   '<input type="radio" name="submitonly" value="all"> everybody <br /><br />';   if (selname[0].selected != true) {
   $result.='&nbsp;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";      selname[0].selected = true;
   $result.='</td></tr></table>'."\n";   }
   $result.='</td></tr></table>'."\n";      }
   return $result;   }
 }   var selval   = eval("document.classgrade.SELVAL_"+partid);
    selval[0].selected = true;
       }
   
 sub upcsvScores_form {      function writeRadText(partid,weight) {
   my ($symb,$url) = @_;   var selval   = eval("document.classgrade.SELVAL_"+partid);
   if (!$symb) {return '';}   var radioButton = eval("document.classgrade.RADVAL_"+partid);
   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";   var textbox = eval("document.classgrade.TEXTVAL_"+partid);
   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";   if (selval[1].selected) {
   $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";      for (var i=0; i<radioButton.length; i++) {
   $result.='<tr bgcolor=#ffffe6><td>'."\n";   radioButton[i].checked=false;
   my $upfile_select=&Apache::loncommon::upfile_select_html();  
   $result.=<<ENDUPFORM;      }
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">      textbox.value = "";
 <input type="hidden" name="symb" value="$symb" />  
 <input type="hidden" name="url" value="$url" />      for (i=0;i<document.classgrade.total.value;i++) {
 <input type="hidden" name="command" value="csvuploadmap" />   var user = eval("document.classgrade.ctr"+i+".value");
 $upfile_select   var scorename = eval("document.classgrade.GD_"+user+
 <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />       "_"+partid+"_aw");
 </form>   var saveval   = eval("document.classgrade.GD_"+user+
 ENDUPFORM       "_"+partid+"_sv_s.value");
   $result.='</td></tr></table>'."\n";   var selname   = eval("document.classgrade.GD_"+user+
   $result.='</td></tr></table>'."\n";       "_"+partid+"_sv");
   return $result;   if (saveval != "correct") {
 }      scorename.value = "";
       selname[1].selected = true;
    }
       }
    } else {
       for (i=0;i<document.classgrade.total.value;i++) {
    var user = eval("document.classgrade.ctr"+i+".value");
    var scorename = eval("document.classgrade.GD_"+user+
        "_"+partid+"_aw");
    var saveval   = eval("document.classgrade.GD_"+user+
        "_"+partid+"_sv_s.value");
    var selname   = eval("document.classgrade.GD_"+user+
        "_"+partid+"_sv");
    if (saveval != "correct") {
       scorename.value = eval("document.classgrade.GD_"+user+
        "_"+partid+"_aw_s.value");;
       selname[0].selected = true;
    }
       }
    }    
       }
   
       function changeSelect(partid,user) {
    var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_sv");
    var textbox = eval("document.classgrade.GD_"+user+'_'+partid+"_aw");
    var point  = textbox.value;
    var weight = eval("document.classgrade.weight_"+partid+".value");
   
    if (isNaN(point) || point < 0) {
       alert("A number equal or greater than 0 is expected. Entered value = "+point);
       textbox.value = "";
       return;
    }
    if (point > weight) {
       var resp = confirm("You entered a value ("+point+
          ") greater than the weight of the part. Accept?");
       if (resp == false) {
    textbox.value = "";
    return;
       }
    }
    selval[0].selected = true;
       }
   
 sub viewGradeaStu_form {      function changeOneScore(partid,user) {
   my ($symb,$url,$response,$handgrade) = @_;   var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_sv");
   my ($classlist,$sections) = &getclasslist('all','0');   if (selval[1].selected) {
   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      var boxval = eval("document.classgrade.GD_"+user+'_'+partid+"_aw");
   $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";      boxval.value = "";
   $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 {      function resetEntry(numpart) {
   my ($symb,$url) = @_;   for (ctpart=0;ctpart<numpart;ctpart++) {
   my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};      var partid = eval("document.classgrade.partid_"+ctpart+".value");
   my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};      var radioButton = eval("document.classgrade.RADVAL_"+partid);
   my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});      var textbox = eval("document.classgrade.TEXTVAL_"+partid);
       var selval  = eval("document.classgrade.SELVAL_"+partid);
   my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      for (var i=0; i<radioButton.length; i++) {
   $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";   radioButton[i].checked=false;
   $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";      textbox.value = "";
   $result.='&nbsp;<tt>'.$hostver.'-<input type="text" name="receipt" size="4"></tt><br />'."\n";      selval[0].selected = true;
   $result.='&nbsp;<input type="submit" name="submit" value="Verify Receipt">'."\n";  
   $result.='<input type="hidden" name="command" value="verify">'."\n";      for (i=0;i<document.classgrade.total.value;i++) {
   if ($ENV{'form.url'}) {   var user = eval("document.classgrade.ctr"+i+".value");
       $result.='<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />';   var resetscore = eval("document.classgrade.GD_"+user+
   }        "_"+partid+"_aw");
   if ($ENV{'form.symb'}) {   resetscore.value = eval("document.classgrade.GD_"+user+
       $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';   "_"+partid+"_aw_s.value");
   }  
   $result.='</form>';   var saveselval   = eval("document.classgrade.GD_"+user+
   $result.='</td></tr></table>'."\n";       "_"+partid+"_sv_s.value");
   $result.='</td></tr></table>'."\n";  
   return $result;   var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_sv");
    if (saveselval == "excused") {
       if (selname[1].selected == false) { selname[1].selected = true;}
    } else {
       if (selname[0].selected == false) {selname[0].selected = true};
    }
       }
    }
       }
   
   </script>
   VIEWJAVASCRIPT
 }  }
   
   #--- show scores for a section or whole class w/ option to change/update a score
 sub viewgrades {  sub viewgrades {
   my ($request) = @_;      my ($request) = shift;
   my $result='';      &viewgrades_js($request);
   
       my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
       my $result='<h2><font color="#339933">Manual Grading</font></h2>';
   
       $result.='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font>'."\n";
   
   #get resource reference      #view individual student submission form - called using Javascript viewOneStudent
   my ($symb,$url)=&get_symb_and_url($request);      $result.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
   if (!$symb) {return '';}   '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
   #get classlist   '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
   my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});   '<input type="hidden" name="command" value="submission" />'."\n".
   #print "Found $cdom:$cnum<br />";   '<input type="hidden" name="student" value="" />'."\n".
   my ($classlist) = &getclasslist('all','0');   '<input type="hidden" name="userdom" value="" />'."\n".
   my $headerclr = '"#ccffff"';   '</form>'."\n";
   my $cellclr = '"#ffffcc"';  
       #beginning of class grading form
   #get list of parts for this problem      $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
   my (@parts) = sort(&getpartlist($url));   '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
   $request->print ("<h2><font color=\"#339933\">Manual Grading</font></h2>");  
   
   #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".  
       '<tr bgcolor='.$headerclr.'><td><b>Username</b></td><td><b>Name</b></td><td><b>Domain</b></td>'."\n";  
   foreach my $part (@parts) {  
      my $display=&Apache::lonnet::metadata($url,$part.'.display');  
      if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }  
      $result.='<td><b>'.$display.'</b></td>'."\n";  
   }  
   $result.='</tr>';  
   #get info for each student  
   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.='</table></td></tr></table>';  
   $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';  
   $result.=&show_grading_menu_form($symb,$url);  
   return $result;  
 }  
   
 sub editgrades {      $result.='To assign the same score for all the students use the radio buttons or '.
   my ($request) = @_;   'text box below. To assign scores individually fill in the score boxes for '.
   my $result='';   'each student in the table below. <font color="red">A part that has already '.
    'been graded does not get changed using the radio buttons or text box. '.
    'If needed, it has to be changed individually.</font>';
   
       #radio buttons/text box for assigning points for a section or class.
       #handles different parts of a problem
       my ($partlist,$handgrade) = &response_type($ENV{'form.url'});
       my %weight = ();
       my $ctsparts = 0;
       $result.='<table border="0">';
       for (sort keys(%$handgrade)) {
    my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
    my ($partid,$respid) = split (/_/);
    my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
    $weight{$partid} = $wgt eq '' ? '1' : $wgt;
   
    $result.='<input type="hidden" name="partid_'.
       $ctsparts.'" value="'.$partid.'" />'."\n";
    $result.='<input type="hidden" name="weight_'.
       $partid.'" value="'.$weight{$partid}.'" />'."\n";
    $result.='<tr><td><b>Part  '.$partid.'&nbsp; &nbsp;Point:</b> </td><td>';
    $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="button" value="Submit Changes" '.
   # 'onClick="submit();" TARGET=_self />'."\n";
       $result.= '<input type="submit" name="submit"  value="Submit Changes" />'."\n";
   
       #table listing all the students in a section/class
       #header of table
       $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
    '<table border=0><tr bgcolor="#deffff">'.
    '<td><b>Fullname</b></td><td><b>Username</b></td><td><b>Domain</b></td>'."\n";
       my (@parts) = sort(&getpartlist($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>';
   
   my $symb=$ENV{'form.symb'};      #get info for each student
   if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }      #list all the students - with points and grade status
   my $url=$ENV{'form.url'};      my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
   #get classlist      my $ctr = 0;
 #  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {
   #print "Found $cdom:$cnum<br />";   my ($uname,$udom) = split(/:/);
   my ($classlist) = &getclasslist('all','0');   $result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
    $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
   #get list of parts for this problem     $_,$$fullname{$_},\@parts,\%weight);
   my (@parts) = &getpartlist($url);   $ctr++;
       }
   $result.='<form action="/adm/grades" method="post">'."\n".      $result.='</table></td></tr></table>';
     '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
       '<input type="hidden" name="url" value="'.$url.'" />'."\n".      $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';
  '<input type="hidden" name="command" value="viewgrades" />'."\n".      $result.=&show_grading_menu_form($symb,$url);
   '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";      return $result;
   }
   
   foreach my $student ( sort(@{ $$classlist{'all'} }) ) {  #--- call by previous routine to display each student
     $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);  sub viewstudentgrade {
   }      my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;
       my ($uname,$udom) = split(/:/,$student);
       my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
       my $result='<tr bgcolor="#ffffdd"><td>'.
    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
    '\')"; TARGET=_self>'.$fullname.'</a>'.
    '</td><td>'.$uname.'</td><td align="middle">'.$udom.'</td>'."\n";
       foreach my $part (@$parts) {
    my ($temp,$part,$type)=split(/_/,$part);
    my $score=$record{"resource.$part.$type"};
    next if $type eq 'tries';
    if ($type eq 'awarded') {
       my $pts = $score eq '' ? '' : $score*$$weight{$part};
       $result.='<input type="hidden" name="'.
    'GD_'.$uname.'_'.$part.'_aw_s" value="'.$pts.'" />'."\n";
       $result.='<td align="middle"><input type="text" name="'.
    'GD_'.$uname.'_'.$part.'_aw" '.
    'onChange="javascript:changeSelect('.$part.',\''.$uname.
    '\')" value="'.$pts.'" size="4" /></td>'."\n";
    } elsif ($type eq 'solved') {
       my ($status,$foo)=split(/_/,$score,2);
       $status = 'nothing' if ($status eq '');
       $result.='<input type="hidden" name="'.
    'GD_'.$uname.'_'.$part.'_sv_s" value="'.$status.'" />'."\n";
       $result.='<td align="middle"><select name="'.
    'GD_'.$uname.'_'.$part.'_sv" '.
    'onChange="javascript:changeOneScore('.$part.',\''.$uname.'\')" >'."\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;
   }
   
   $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';  #--- change scores for all the students in a section/class
   return $result;  #    record does not get update if unchanged
   sub editgrades {
       my ($request) = @_;
   
       my $symb=$ENV{'form.symb'};
       my $url =$ENV{'form.url'};
       my $title='<h2><font color="#339933">Current Grade Status</font></h2>';
       $title.='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font><br />'."\n";
       $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\n";
       $title.= &show_grading_menu_form ($symb,$url);
       my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
       $result.= '<table border="0"><tr bgcolor="#deffff">'.
    '<td rowspan=2><b>Username</b></td><td rowspan=2><b>Fullname</b></td>'."\n";
   
       my %scoreptr = (
       'correct'  =>'correct_by_override',
       'incorrect'=>'incorrect_by_override',
       'excused'  =>'excused',
       'ungraded' =>'ungraded_attempted',
       'nothing'  => '',
       );
       my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');
   
       my (@partid);
       my %weight = ();
       my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
       while ($ctr < $ENV{'form.totalparts'}) {
    my $partid = $ENV{'form.partid_'.$ctr};
    push @partid,$partid;
    $weight{$partid} = $ENV{'form.weight_'.$partid};
    $ctr++;
    $result .= '<td colspan = 2 align="center"><b>Part '.$partid.
       '</b> (Weight = '.$weight{$partid}.')</td>';
       }
       $result .= '</tr><tr bgcolor="#deffff">';
       foreach (@partid) {
    $result .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
       '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
       }
       $result .= '</tr>'."\n";
   
       for ($i=0; $i<$ENV{'form.total'}; $i++) {
    my $user = $ENV{'form.ctr'.$i};
    my %newrecord;
    my $updateflag = 0;
    my @userdom = grep /^$user:/,keys %$classlist;
    my ($foo,$udom) = split(/:/,$userdom[0]);
   
    $result .= '<tr bgcolor="#ffffde"><td>'.$user.'&nbsp;</td><td>'.
       $$fullname{$userdom[0]}.'&nbsp;</td>';
   
    foreach (@partid) {
       my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_aw_s'};
       my $old_part  = $old_aw eq '' ? '' : $old_aw/$weight{$_};
       my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_sv_s'}};
   
       my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_aw'};
       my $partial   = $awarded eq '' ? '' : $awarded/$weight{$_};
       my $score;
       if ($partial eq '') {
    $score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_sv_s'}};
       } elsif ($partial > 0) {
    $score = 'correct_by_override';
       } elsif ($partial == 0) {
    $score = 'incorrect_by_override';
       }
       $score = 'excused' if (($ENV{'form.GD_'.$user.'_'.$_.'_sv'} eq 'excused') &&
      ($score ne 'excused'));
       $result .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
    '<td align="center">'.$awarded.
    ($score eq 'excused' ? $score : '').'&nbsp;</td>';
   
       next if ($old_part eq $partial && $old_score eq $score);
   
       $updateflag = 1;
       $newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
       $newrecord{'resource.'.$_.'.solved'}   = $score;
       $rec_update++;
    }
    $result .= '</tr>'."\n";
    if ($updateflag) {
       $count++;
       $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
       &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
       $udom,$user);
    }
       }
       $result .= '</table></td></tr></table>'."\n";
       my $msg = '<b>Number of records updated = '.$rec_update.
    ' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
    '<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
       return $title.$msg.$result;
 }  }
   #------------- end of section for handling grading by section/class ---------
   #
   #----------------------------------------------------------------------------
   
   
   #----------------------------------------------------------------------------
   #
   #-------------------------- Next few routines handles grading by csv upload
   #
   #--- Javascript to handle csv upload
 sub csvupload_javascript_reverse_associate {  sub csvupload_javascript_reverse_associate {
   return(<<ENDPICK);    return(<<ENDPICK);
   function verify(vf) {    function verify(vf) {
Line 1327  ENDPICK Line 1809  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 1359  to this page if the data selected is ins Line 1841  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 1390  ENDPICK Line 1872  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('all','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 '';
 }  }
   #------------- end of section for handling csv file upload ---------
   #
   #-------------------------------------------------------------------
   
 sub send_header {  #-------------------------- Menu interface -------------------------
   my ($request)= @_;  #
   $request->print(&Apache::lontexconvert::header());  #--- Show a Grading Menu button - Calls the next routine ---
 #  $request->print("  sub show_grading_menu_form {
 #<script>      my ($symb,$url)=@_;
 #remotewindow=open('','homeworkremote');      my $result.='<form action="/adm/grades" method="post">'."\n".
 #remotewindow.close();   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
 #</script>");    '<input type="hidden" name="url" value="'.$url.'" />'."\n".
   $request->print('<body bgcolor="#FFFFFF">');   '<input type="hidden" name="command" value="gradingmenu" />'."\n".
    '<input type="submit" name="submit" value="Grading Menu" />'."\n".
    '</form>'."\n";
       return $result;
 }  }
   
 sub send_footer {  #--- Displays the main menu page -------
   my ($request)= @_;  sub gradingmenu {
   $request->print('</body>');      my ($request) = @_;
   $request->print(&Apache::lontexconvert::footer());      my ($symb,$url)=&get_symb_and_url($request);
       if (!$symb) {return '';}
       my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';
       $result.='<table border="0">';
       $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';
       my ($partlist,$handgrade) = &response_type($url);
       my ($resptype,$hdgrade)=('','no');
       for (sort keys(%$handgrade)) {
    my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
    $resptype = $responsetype;
    $hdgrade = $handgrade if ($handgrade eq 'yes');
    $result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.
       '<td><b>Type: </b>'.$responsetype.'</td>'.
       '<td><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,$url,$resptype,$hdgrade).'<br />';
       $result.=&verifyReceipt_form($symb,$url) 
    if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb));
    
       return $result;
 }  }
   
 sub handler {  #--- Menu for grading a section or the whole class ---
   my $request=$_[0];  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;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   if ($ENV{'browser.mathml'}) {  #--- Menu to upload a csv scores ---
     $request->content_type('text/xml');  sub upcsvScores_form {
   } else {      my ($symb,$url) = @_;
     $request->content_type('text/html');      if (!$symb) {return '';}
   }      my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
   $request->send_http_header;      $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
   return OK if $request->header_only;      $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";
   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});      $result.='<tr bgcolor=#ffffe6><td>'."\n";
   my $url=$ENV{'form.url'};      my $upfile_select=&Apache::loncommon::upfile_select_html();
   my $symb=$ENV{'form.symb'};    $result.=<<ENDUPFORM;
   my $command=$ENV{'form.command'};  <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   if (!$url) {  <input type="hidden" name="symb" value="$symb" />
     my ($temp1,$temp2);  <input type="hidden" name="url" value="$url" />
     ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);  <input type="hidden" name="command" value="csvuploadmap" />
     $url = $ENV{'form.url'};  $upfile_select
   }  <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />
   &send_header($request);  </form>
   if ($url eq '' && $symb eq '') {  ENDUPFORM
      if ($ENV{'user.adv'}) {      $result.='</td></tr></table>'."\n";
          if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&      $result.='</td></tr></table>'."\n";
              ($ENV{'form.codethree'})) {      return $result;
              my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.  }
         $ENV{'form.codethree'};  
              my ($tsymb,$tuname,$tudom,$tcrsid)=  #--- Handgrading problems ---
  &Apache::lonnet::checkin($token);  sub viewGradeaStu_form {
              if ($tsymb) {      my ($symb,$url,$response,$handgrade) = @_;
                 my ($map,$id,$url)=split(/\_\_\_/,$tsymb);      my ($classlist,$sections) = &getclasslist('all','0');
                 if (&Apache::lonnet::allowed('mgr',$tcrsid)) {      my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";
                    $request->print(      $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
                      &Apache::lonnet::ssi('/res/'.$url,      $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";
                         ('grade_username' => $tuname,      $result.='<tr bgcolor=#ffffe6><td>'."\n";
                          'grade_domain' => $tudom,      $result.='<form action="/adm/grades" method="post">'."\n".
                          'grade_courseid' => $tcrsid,   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                          'grade_symb' => $tsymb)));   '<input type="hidden" name="url" value="'.$url.'" />'."\n".
                 } else {   '<input type="hidden" name="response" value="'.$response.'" />'."\n".
                    $request->print('<h1>Not authorized: '.$token.'</h1>');   '<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;
   }
   
   #--- Form to input a receipt number ---
   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 handler {
       my $request=$_[0];
       
       if ($ENV{'browser.mathml'}) {
    $request->content_type('text/xml');
       } else {
    $request->content_type('text/html');
       }
       $request->send_http_header;
       return '' if $request->header_only;
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
       my $url=$ENV{'form.url'};
       my $symb=$ENV{'form.symb'};
       my $command=$ENV{'form.command'};
       if (!$url) {
    my ($temp1,$temp2);
    ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
    $url = $ENV{'form.url'};
       }
       &send_header($request);
       if ($url eq '' && $symb eq '') {
    if ($ENV{'user.adv'}) {
       if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
    ($ENV{'form.codethree'})) {
    my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
       $ENV{'form.codethree'};
    my ($tsymb,$tuname,$tudom,$tcrsid)=
       &Apache::lonnet::checkin($token);
    if ($tsymb) {
       my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
       if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
    $request->print(
    &Apache::lonnet::ssi('/res/'.$url,
        ('grade_username' => $tuname,
         'grade_domain' => $tudom,
         'grade_courseid' => $tcrsid,
         'grade_symb' => $tsymb)));
       } else {
    $request->print('<h2>Not authorized: '.$token.'</h2>');
       }           
    } else {
       $request->print('<h2>Not a valid DocID: '.$token.'</h2>');
    }
     } 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 ($ENV{'form.student'} eq '');  
       &submission($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 '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 ($command eq 'csvuploadassign') {
       if ($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 '';
   return OK;  }
   
   sub send_header {
       my ($request)= @_;
       $request->print(&Apache::lontexconvert::header());
   #  $request->print("
   #<script>
   #remotewindow=open('','homeworkremote');
   #remotewindow.close();
   #</script>"); 
       $request->print('<body bgcolor="#FFFFFF">');
   }
   
   sub send_footer {
       my ($request)= @_;
       $request->print('</body>');
       $request->print(&Apache::lontexconvert::footer());
 }  }
   
 1;  1;
Removed from v.1.37  
changed lines
  Added in v.1.44

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