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Diff for /loncom/homework/grades.pm between versions 1.44 and 1.204.2.9

version 1.44, 2002/08/02 21:10:03 version 1.204.2.9, 2004/11/09 20:20:56
Line 31 Line 31
 # 8/20 Gerd Kortemeyer  # 8/20 Gerd Kortemeyer
 # Year 2002  # Year 2002
 # June-August H.K. Ng  # June-August H.K. Ng
   # Year 2003
   # February, March H.K. Ng
   # July, H. K. Ng
 #  #
   
 package Apache::grades;  package Apache::grades;
Line 39  use Apache::style; Line 42  use Apache::style;
 use Apache::lonxml;  use Apache::lonxml;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::loncommon;  use Apache::loncommon;
   use Apache::lonhtmlcommon;
   use Apache::lonnavmaps;
 use Apache::lonhomework;  use Apache::lonhomework;
   use Apache::loncoursedata;
 use Apache::lonmsg qw(:user_normal_msg);  use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::lonlocal;
   use String::Similarity;
   
 # ----- These first few routines are general use routines.-----  my %oldessays=();
   my %perm=();
   
   # ----- These first few routines are general use routines.----
 #  #
 # --- Retrieve the parts that matches stores_\d+ from the metadata file.---  # --- Retrieve the parts from the metadata file.---
 sub getpartlist {  sub getpartlist {
     my ($url) = @_;      my ($url,$symb) = @_;
     my @parts =();      my $partorder = &Apache::lonnet::metadata($url, 'partorder');
     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));      my @parts;
     foreach my $key (@metakeys) {      if ($partorder) {
  if ( $key =~ m/stores_([0-9]+)_.*/) {   for my $part (split (/,/,$partorder)) {
     push(@parts,$key);      if (!&Apache::loncommon::check_if_partid_hidden($part,$symb)) {
    push(@parts, $part);
       }
    }    
       } else {
    my $metadata = &Apache::lonnet::metadata($url, 'packages');
    foreach (split(/\,/,$metadata)) {
       if ($_ =~ /^part_(.*)$/) {
    if (!&Apache::loncommon::check_if_partid_hidden($1,$symb)) {
       push(@parts, $1);
    }
       }
  }   }
     }      }
     return @parts;      my @stores;
       foreach my $part (@parts) {
    my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
    foreach my $key (@metakeys) {
       if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
    }
       }
       return @stores;
 }  }
   
 # --- Get the symbolic name of a problem and the url  # --- Get the symbolic name of a problem and the url
 sub get_symb_and_url {  sub get_symb_and_url {
     my ($request) = @_;      my ($request,$silent) = @_;
     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;      (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }      if ($symb eq '') { 
    if (!$silent) {
       $request->print("Unable to handle ambiguous references:$url:.");
       return ();
    }
       }
     return ($symb,$url);      return ($symb,$url);
 }  }
   
Line 72  sub get_symb_and_url { Line 106  sub get_symb_and_url {
 sub get_fullname {  sub get_fullname {
     my ($uname,$udom) = @_;      my ($uname,$udom) = @_;
     my %name=&Apache::lonnet::get('environment', ['lastname','generation',      my %name=&Apache::lonnet::get('environment', ['lastname','generation',
   'firstname','middlename'],$udom,$uname);    'firstname','middlename'],
                                     $udom,$uname);
     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) {
  $fullname=$name{'lastname'}.$name{'generation'};          $fullname = &Apache::loncoursedata::ProcessFullName
  if ($fullname =~ /[^\s]+/) { $fullname.=', '; }              (@name{qw/lastname generation firstname middlename/});
  $fullname.=$name{'firstname'}.' '.$name{'middlename'};      } else {
           &Apache::lonnet::logthis('grades.pm: no name data for '.$uname.
                                    '@'.$udom.':'.$tmp);
     }      }
     return $fullname;      return $fullname;
 }  }
   
   #--- Format fullname, username:domain if different for display
   #--- Use anywhere where the student names are listed
   sub nameUserString {
       my ($type,$fullname,$uname,$udom) = @_;
       if ($type eq 'header') {
    return '<b>&nbsp;Fullname&nbsp;</b><font color="#999999">(Username)</font>&nbsp;';
       } else {
    return '&nbsp;'.$fullname.'<font color="#999999">&nbsp;('.$uname.
       ($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')</font>';
       }
   }
   
 #--- Get the partlist and the response type for a given problem. ---  #--- Get the partlist and the response type for a given problem. ---
 #--- Indicate if a response type is coded handgraded or not. ---  #--- Indicate if a response type is coded handgraded or not. ---
 sub response_type {  sub response_type {
     my ($url) = shift;      my ($url,$symb) = shift;
       $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
     my $allkeys = &Apache::lonnet::metadata($url,'keys');      my $allkeys = &Apache::lonnet::metadata($url,'keys');
       my %vPart;
       foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
    $vPart{$partid}=1;
       }
     my %seen = ();      my %seen = ();
     my (@partlist,%handgrade);      my (@partlist,%handgrade,%responseType);
     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
  if (/^\w+response_\d+.*/) {   if (/^\w+response_.*/) {
     my ($responsetype,$part) = split(/_/,$_,2);      my ($responsetype,$part) = split(/_/,$_,2);
     my ($partid,$respid) = split(/_/,$part);      my ($partid,$respid) = split(/_/,$part);
     $handgrade{$part} = $responsetype.':'.($allkeys =~ /parameter_$part\_handgrade/ ? 'yes' : 'no');      if (&Apache::loncommon::check_if_partid_hidden($partid,$symb)) {
    next;
       }
       if (%vPart && !exists($vPart{$partid})) {
    next;
       }
       $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
       my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
       $handgrade{$part} = ($value eq 'yes' ? 'yes' : 'no'); 
       if (!exists($responseType{$partid})) { $responseType{$partid}={}; }
       $responseType{$partid}->{$respid}=$responsetype;
     next if ($seen{$partid} > 0);      next if ($seen{$partid} > 0);
     $seen{$partid}++;      $seen{$partid}++;
     push @partlist,$partid;      push @partlist,$partid;
  }   }
     }      }
     return \@partlist,\%handgrade;      return \@partlist,\%handgrade,\%responseType;
 }  }
   
 #--- Prints a message on screen if a user did something wrong  sub get_display_part {
 #--- Operator error ---      my ($partID,$url,$symb)=@_;
 sub userError {      if (!defined($symb) || $symb eq '') {
     my ($request, $reason, $step) = @_;   $symb=$ENV{'form.symb'};
     $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");   if ($symb eq '') { $symb=&Apache::lonnet::symbread($url) }
     $request->print('<b>Reason: </b>'.$reason.'<br /><br />'."\n");      }
     $request->print('<b>Step: </b>'.($step ne '' ? $step : 'Use your browser back button to correct')      my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb);
     .'<br /><br />'."\n");      &Apache::lonnet::logthis("\nsymb $symb\n url  $url\npartID $partID\ndisplay $display \n");
     return '';      if (defined($display) and $display ne '') {
    $display.= " (<font color=\"#999900\">id $partID</font>)";
       } else {
    $display=$partID;
       }
       return $display;
   }
   #--- Show resource title
   #--- and parts and response type
   sub showResourceInfo {
       my ($url,$probTitle,$checkboxes) = @_;
       my $col=3;
       if ($checkboxes) { $col=4; }
       my $result ='<table border="0">'.
    '<tr><td colspan="'.$col.'"><font size="+1"><b>'.&mt('Current Resource').': </b>'.
    $probTitle.'</font></td></tr>'."\n";
       my ($partlist,$handgrade,$responseType) = &response_type($url);
       my %resptype = ();
       my $hdgrade='no';
       my %partsseen;
       for my $part_resID (sort keys(%$handgrade)) {
    my $handgrade=$$handgrade{$part_resID};
    my ($partID,$resID) = split(/_/,$part_resID);
    my $responsetype = $responseType->{$partID}->{$resID};
    $hdgrade = $handgrade if ($handgrade eq 'yes');
    $result.='<tr>';
    if ($checkboxes) {
       if (exists($partsseen{$partID})) {
    $result.="<td>&nbsp;</td>";
       } else {
    $result.="<td><input type='checkbox' name='vPart' value='$partID' checked='on' /></td>";
       }
       $partsseen{$partID}=1;
    }
    my $display_part=&get_display_part($partID,$url);
    $result.='<td><b>Part: </b>'.$display_part.' <font color="#999999">'.
       $resID.'</font></td>'.
       '<td><b>Type: </b>'.$responsetype.'</td></tr>';
   #    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
       }
       $result.='</table>'."\n";
       return $result,$responseType,$hdgrade,$partlist,$handgrade;
   }
   
   
   sub get_order {
       my ($partid,$respid,$symb,$uname,$udom)=@_;
       my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
       $url=&Apache::lonnet::clutter($url);
       my $subresult=&Apache::lonnet::ssi($url,
          ('grade_target' => 'analyze'),
          ('grade_domain' => $udom),
          ('grade_symb' => $symb),
          ('grade_courseid' => 
           $ENV{'request.course.id'}),
          ('grade_username' => $uname));
       (undef,$subresult)=split(/_HASH_REF__/,$subresult,2);
       my %analyze=&Apache::lonnet::str2hash($subresult);
       return ($analyze{"$partid.$respid.shown"});
   }
   #--- Clean response type for display
   #--- Currently filters option/rank/radiobutton/match/essay response types only.
   sub cleanRecord {
       my ($answer,$response,$symb,$partid,$respid,$record,$order,$version) = @_;
       my $grayFont = '<font color="#999999">';
       if ($response =~ /^(option|rank)$/) {
    my %answer=&Apache::lonnet::str2hash($answer);
    my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
    my ($toprow,$bottomrow);
    foreach my $foil (@$order) {
       if ($grading{$foil} == 1) {
    $toprow.='<td><b>'.$answer{$foil}.'&nbsp;</b></td>';
       } else {
    $toprow.='<td><i>'.$answer{$foil}.'&nbsp;</i></td>';
       }
       $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
    }
    return '<blockquote><table border="1">'.
       '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
       '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
       $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
       } elsif ($response eq 'match') {
    my %answer=&Apache::lonnet::str2hash($answer);
    my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"});
    my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"});
    my ($toprow,$middlerow,$bottomrow);
    foreach my $foil (@$order) {
       my $item=shift(@items);
       if ($grading{$foil} == 1) {
    $toprow.='<td><b>'.$item.'&nbsp;</b></td>';
    $middlerow.='<td><b>'.$grayFont.$answer{$foil}.'&nbsp;</font></b></td>';
       } else {
    $toprow.='<td><i>'.$item.'&nbsp;</i></td>';
    $middlerow.='<td><i>'.$grayFont.$answer{$foil}.'&nbsp;</font></i></td>';
       }
       $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
    }
    return '<blockquote><table border="1">'.
       '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
       '<tr valign="top"><td>'.$grayFont.'Item ID</font></td>'.
       $middlerow.'</tr>'.
       '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
       $bottomrow.'</tr>'.'</table></blockquote>';
       } elsif ($response eq 'radiobutton') {
    my %answer=&Apache::lonnet::str2hash($answer);
    my ($toprow,$bottomrow);
    my $correct=($order->[0])+1;
    for (my $i=1;$i<=$#$order;$i++) {
       my $foil=$order->[$i];
       if (exists($answer{$foil})) {
    if ($i == $correct) {
       $toprow.='<td><b>true</b></td>';
    } else {
       $toprow.='<td><i>true</i></td>';
    }
       } else {
    $toprow.='<td>false</td>';
       }
       $bottomrow.='<td>'.$grayFont.$foil.'</font>&nbsp;</td>';
    }
    return '<blockquote><table border="1">'.
       '<tr valign="top"><td>Answer</td>'.$toprow.'</tr>'.
       '<tr valign="top"><td>'.$grayFont.'Option ID</font></td>'.
       $grayFont.$bottomrow.'</tr>'.'</table></blockquote>';
       } elsif ($response eq 'essay') {
    if (! exists ($ENV{'form.'.$symb})) {
       my (%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'} : '';
       $ENV{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob.
    }
    $answer =~ s-\n-<br />-g;
    return '<br /><br /><blockquote><tt>'.&keywords_highlight($answer).'</tt></blockquote>';
       }
       return $answer;
   }
   
   #-- A couple of common js functions
   sub commonJSfunctions {
       my $request = shift;
       $request->print(<<COMMONJSFUNCTIONS);
   <script type="text/javascript" language="javascript">
       function radioSelection(radioButton) {
    var selection=null;
    if (radioButton.length > 1) {
       for (var i=0; i<radioButton.length; i++) {
    if (radioButton[i].checked) {
       return radioButton[i].value;
    }
       }
    } else {
       if (radioButton.checked) return radioButton.value;
    }
    return selection;
       }
   
       function pullDownSelection(selectOne) {
    var selection="";
    if (selectOne.length > 1) {
       for (var i=0; i<selectOne.length; i++) {
    if (selectOne[i].selected) {
       return selectOne[i].value;
    }
       }
    } else {
               // only one value it must be the selected one
       return selectOne.value;
    }
       }
   </script>
   COMMONJSFUNCTIONS
 }  }
   
 #--- Dumps the class list with usernames,list of sections,  #--- Dumps the class list with usernames,list of sections,
 #--- section, ids and fullnames for each user.  #--- section, ids and fullnames for each user.
 sub getclasslist {  sub getclasslist {
     my ($getsec,$hideexpired) = @_;      my ($getsec,$filterlist) = @_;
     my $now = time;      $getsec = $getsec eq '' ? 'all' : $getsec;
     my %classlist=&Apache::lonnet::dump('classlist',      my $classlist=&Apache::loncoursedata::get_classlist();
  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},      # Bail out if we were unable to get the classlist
  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});      return if (! defined($classlist));
     # codes to check for fields in the classlist      #
     # should contain end:start:id:section:fullname      my %sections;
     for (keys %classlist) {      my %fullnames;
  my (@fields) = split(/:/,$classlist{$_});      foreach (keys(%$classlist)) {
  %classlist   = &reformat_classlist(\%classlist) if (scalar(@fields) <= 2);          # the following undefs are for 'domain', and 'username' respectively.
  last;   my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
     }              @{$classlist->{$_}};
    # filter students according to status selected
     my (@holdsec,@sections,%allids,%stusec,%fullname);   if ($filterlist && $ENV{'form.Status'} ne 'Any') {
     foreach (keys(%classlist)) {      if ($ENV{'form.Status'} ne $status) {
  my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});   delete ($classlist->{$_});
  # still a student?   next;
  if (($hideexpired) && ($end) && ($end < $now)) {      }
     next;  
  }   }
  $section = ($section ne '' ? $section : 'no');   $section = ($section ne '' ? $section : 'no');
  push @holdsec,$section;   if (&canview($section)) {
  if ($getsec eq 'all' || $getsec eq $section) {      if ($getsec eq 'all' || $getsec eq $section) {
     push (@{ $classlist{$getsec} }, $_);   $sections{$section}++;
     $allids{$_}  =$id;   $fullnames{$_}=$fullname;
     $stusec{$_}  =$section;      } else {
     $fullname{$_}=$fullname;   delete($classlist->{$_});
       }
    } else {
       delete($classlist->{$_});
  }   }
     }      }
     my %seen = ();      my %seen = ();
     foreach my $item (@holdsec) {      my @sections = sort(keys(%sections));
  push (@sections, $item) unless $seen{$item}++;      return ($classlist,\@sections,\%fullnames);
     }  
     return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);  
 }  }
   
 # add id, section and fullname to the classlist.db  sub canmodify {
 # done to maintain backward compatibility with older versions      my ($sec)=@_;
 sub reformat_classlist {      if ($perm{'mgr'}) {
     my ($classlist) = shift;   if (!defined($perm{'mgr_section'})) {
     foreach (sort keys(%$classlist)) {      # can modify whole class
  my ($unam,$udom) = split(/:/);      return 1;
  my $section      = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});   } else {
  my $fullname     = &get_fullname ($unam,$udom);      if ($sec eq $perm{'mgr_section'}) {
  my %userid       = &Apache::lonnet::idrget($udom,($unam));   #can modify the requested section
  $$classlist{$_}  = $$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;   return 1;
     }      } else {
     my $putresult = &Apache::lonnet::put   # can't modify the request section
  ('classlist',\%$classlist,   return 0;
  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},      }
  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});   }
   
     return %$classlist;  
 }  
   
 #find user domain  
 sub finduser {  
     my ($name) = @_;  
     my $domain = '';  
     if ( $Apache::grades::viewgrades eq 'F' ) {  
  my %classlist=&Apache::lonnet::dump('classlist',  
     $ENV{'course.'.$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'});  
     }      }
       #can't modify
       return 0;
 }  }
   
 #--- Prompts a user to enter a username.  sub canview {
 sub moreinfo {      my ($sec)=@_;
     my ($request,$reason) = @_;      if ($perm{'vgr'}) {
     $request->print("Unable to process request: $reason");   if (!defined($perm{'vgr_section'})) {
     if ( $Apache::grades::viewgrades eq 'F' ) {      # can modify whole class
  $request->print('<form action="/adm/grades" method="post">'."\n");      return 1;
  if ($ENV{'form.url'}) {   } else {
     $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");      if ($sec eq $perm{'vgr_section'}) {
  }   #can modify the requested section
  if ($ENV{'form.symb'}) {   return 1;
     $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");      } else {
  }   # can't modify the request section
  $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");   return 0;
  $request->print("Student:".'<input type="text" name="student" value="'.$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 '';      #can't modify
       return 0;
 }  }
   
 #--- Retrieve the grade status of a student for all the parts  #--- Retrieve the grade status of a student for all the parts
Line 215  sub student_gradeStatus { Line 439  sub student_gradeStatus {
     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);      my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my %partstatus = ();      my %partstatus = ();
     foreach (@$partlist) {      foreach (@$partlist) {
  my ($status,$foo)    = split(/_/,$record{"resource.$_.solved"},2);   my ($status,undef)   = split(/_/,$record{"resource.$_.solved"},2);
  $status              = 'nothing' if ($status eq '');   $status              = 'nothing' if ($status eq '');
  $partstatus{$_}      = $status;   $partstatus{$_}      = $status;
  my $subkey           = "resource.$_.submitted_by";   my $subkey           = "resource.$_.submitted_by";
Line 224  sub student_gradeStatus { Line 448  sub student_gradeStatus {
     return %partstatus;      return %partstatus;
 }  }
   
   # hidden form and javascript that calls the form
   # Use by verifyscript and viewgrades
   # Shows a student's view of problem and submission
   sub jscriptNform {
       my ($url,$symb) = @_;
       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="'.$url.'" />'."\n".
    '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
    '<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n".
    '<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\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";
       return $jscript;
   }
   
 #------------------ End of general use routines --------------------  #------------------ End of general use routines --------------------
   
   #
   # Find most similar essay
   #
   
   sub most_similar {
       my ($uname,$udom,$uessay)=@_;
   
   # ignore spaces and punctuation
   
       $uessay=~s/\W+/ /gs;
   
   # these will be returned. Do not care if not at least 50 percent similar
       my $limit=0.6;
       my $sname='';
       my $sdom='';
       my $scrsid='';
       my $sessay='';
   # go through all essays ...
       foreach my $tkey (keys %oldessays) {
    my ($tname,$tdom,$tcrsid)=split(/\./,$tkey);
   # ... except the same student
           if (($tname ne $uname) || ($tdom ne $udom)) {
       my $tessay=$oldessays{$tkey};
               $tessay=~s/\W+/ /gs;
   # String similarity gives up if not even limit
               my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
   # Found one
               if ($tsimilar>$limit) {
    $limit=$tsimilar;
                   $sname=$tname;
                   $sdom=$tdom;
                   $scrsid=$tcrsid;
                   $sessay=$oldessays{$tkey};
               }
           } 
       }
       if ($limit>0.6) {
          return ($sname,$sdom,$scrsid,$sessay,$limit);
       } else {
          return ('','','','',0);
       }
   }
   
 #-------------------------------------------------------------------  #-------------------------------------------------------------------
   
 #------------------------------------ Receipt Verification Routines  #------------------------------------ Receipt Verification Routines
   #
 #--- Check whether a receipt number is valid.---  #--- Check whether a receipt number is valid.---
 sub verifyreceipt {  sub verifyreceipt {
     my $request  = shift;      my $request  = shift;
   
     my $courseid = $ENV{'request.course.id'};      my $courseid = $ENV{'request.course.id'};
     my $receipt  = unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.      my $receipt  = &Apache::lonnet::recprefix($courseid).'-'.
  $ENV{'form.receipt'};   $ENV{'form.receipt'};
     $receipt     =~ s/[^\-\d]//g;      $receipt     =~ s/[^\-\d]//g;
     my $url      = $ENV{'form.url'};      my $url      = $ENV{'form.url'};
Line 243  sub verifyreceipt { Line 536  sub verifyreceipt {
  $symb    = &Apache::lonnet::symbread($url);   $symb    = &Apache::lonnet::symbread($url);
     }      }
   
     my $jscript='<script type="text/javascript" language="javascript">'."\n".      my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
  '    function viewOneStudent(user,domain) {'."\n".   $receipt.'</h3></font>'."\n".
  ' document.onestudent.student.value = user;'."\n".   '<font size=+1><b>Resource: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\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,$matches) = ('','',0);      my ($string,$contents,$matches) = ('','',0);
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');      my (undef,undef,$fullname) = &getclasslist('all','0');
           
     foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {      my $receiptparts=0;
       if ($ENV{"course.$courseid.receiptalg"} eq 'receipt2') { $receiptparts=1; }
       my $parts=['0'];
       if ($receiptparts) { ($parts)=&response_type($url,$symb); }
       foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  my ($uname,$udom)=split(/\:/);   my ($uname,$udom)=split(/\:/);
  if ($receipt eq    foreach my $part (@$parts) {
     &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {      if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) {
     $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".   $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
  '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.      '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
  '\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".      '\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
  '<td>&nbsp;'.$uname.'&nbsp;</td>'.      '<td>&nbsp;'.$uname.'&nbsp;</td>'.
  '<td>&nbsp;'.$udom.'&nbsp;</td></tr>'."\n";      '<td>&nbsp;'.$udom.'&nbsp;</td>';
        if ($receiptparts) {
     $matches++;      $contents.='<td>&nbsp;'.$part.'&nbsp;</td>';
    }
    $contents.='</tr>'."\n";
   
    $matches++;
       }
  }   }
     }      }
     if ($matches == 0) {      if ($matches == 0) {
  $string = $title.'No match found for the above receipt.';   $string = $title.'No match found for the above receipt.';
     } else {      } else {
  $string = $jscript.$title.   $string = &jscriptNform($url,$symb).$title.
     'The above receipt matches the following student'.      'The above receipt matches the following student'.
     ($matches <= 1 ? '.' : 's.')."\n".      ($matches <= 1 ? '.' : 's.')."\n".
     '<table border="0"><tr><td bgcolor="#777777">'."\n".      '<table border="0"><tr><td bgcolor="#777777">'."\n".
     '<table border="0"><tr bgcolor="#e6ffff">'."\n".      '<table border="0"><tr bgcolor="#e6ffff">'."\n".
     '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".      '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
     '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".      '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
     '<td><b>&nbsp;Domain&nbsp;</b></td></tr>'."\n".      '<td><b>&nbsp;Domain&nbsp;</b></td>';
     $contents.   if ($receiptparts) {
       $string.='<td>&nbsp;Problem Part&nbsp;</td>';
    }
    $string.='</tr>'."\n".$contents.
     '</table></td></tr></table>'."\n";      '</table></td></tr></table>'."\n";
     }      }
     return $string.&show_grading_menu_form ($symb,$url);      return $string.&show_grading_menu_form($symb,$url);
 }  }
   
 #--- This is called by a number of programs.  #--- This is called by a number of programs.
Line 301  sub verifyreceipt { Line 591  sub verifyreceipt {
 #    on the problem page.  #    on the problem page.
 sub listStudents {  sub listStudents {
     my ($request) = shift;      my ($request) = shift;
   
       my ($symb,$url) = &get_symb_and_url($request);
     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};      my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};      my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};      my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
     my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};      my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
   
     my $result='<h2><font color="#339933">&nbsp;'.      my $viewgrade = $ENV{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
  'View Submissions for a Student or a Group of Students</font></h2>';      $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
     $result.='<table border="0">';   &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
     $result.='<tr><td colspan=3><font size=+1>'.  
  '<b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';      my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});   ' Submissions for a Student or a Group of Students</font></h3>';
     for (sort keys(%$handgrade)) {  
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});      my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'},($ENV{'form.showgrading'} eq 'yes'));
  $ENV{'form.handgrade'} = 'yes' if ($handgrade eq 'yes');  
  $result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.      $request->print(<<LISTJAVASCRIPT);
     '<td><b>Type: </b>'.$responsetype.'</td>'.  <script type="text/javascript" language="javascript">
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';      function checkSelect(checkBox) {
    var ctr=0;
    var sense="";
    if (checkBox.length > 1) {
       for (var i=0; i<checkBox.length; i++) {
    if (checkBox[i].checked) {
       ctr++;
    }
       }
       sense = "a student or group of students";
    } else {
       if (checkBox.checked) {
    ctr = 1;
       }
       sense = "the student";
    }
    if (ctr == 0) {
       alert("Please select "+sense+" before clicking on the Next button.");
       return false;
    }
    document.gradesub.submit();
     }      }
     $result.='</table>';  
     $request->print($result);  
   
     $request->print(<<ENDTABLEST);      function reLoadList(formname) {
 <form action="/adm/grades" method="post">   if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
 &nbsp;<b>View Problem: </b><input type="radio" name="vProb" value="no" checked> no    formname.command.value = 'submission';
 <input type="radio" name="vProb" value="yes"> yes <br />   formname.submit();
 &nbsp;<b>Submissions: </b>  
 <input type="radio" name="lastSub" value="hdgrade" checked /> handgrade only  
 <input type="radio" name="lastSub" value="lastonly" /> last sub only  
 <input type="radio" name="lastSub" value="last" /> last sub & parts info  
 <input type="radio" name="lastSub" value="all" /> all details  
 <input type="hidden" name="section" value="$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'}) {  </script>
  $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");  LISTJAVASCRIPT
   
       &commonJSfunctions($request);
       $request->print($result);
   
       my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
       my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
       my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
    "\n".$table.
    '&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
    '<input type="radio" name="vProb" value="yes" /> one student '."\n".
    '<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
    '&nbsp;<b>View Answer: </b><input type="radio" name="vAns" value="no"  /> no '."\n".
    '<input type="radio" name="vAns" value="yes" /> one student '."\n".
    '<input type="radio" name="vAns" value="all" checked="on" /> all students <br />'."\n".
    '&nbsp;<b>Submissions: </b>'."\n";
       if ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
    $gradeTable.='<input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only'."\n";
       }
   
       my $saveStatus = $ENV{'form.Status'} eq '' ? 'Active' : $ENV{'form.Status'};
       $ENV{'form.Status'} = $saveStatus;
   
       $gradeTable.='<input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only'."\n".
    '<input type="radio" name="lastSub" value="last" /> last submission & parts info'."\n".
    '<input type="radio" name="lastSub" value="datesub" /> by dates and submissions'."\n".
    '<input type="radio" name="lastSub" value="all" /> all details'."\n".
    '<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
    '<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
    '<input type="hidden" name="handgrade"   value="'.$ENV{'form.handgrade'}.'" /><br />'."\n".
    '<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" /><br />'."\n".
    '<input type="hidden" name="saveState"   value="'.$ENV{'form.saveState'}.'" />'."\n".
    '<input type="hidden" name="probTitle"   value="'.$ENV{'form.probTitle'}.'" />'."\n".
    '<input type="hidden" name="url"  value="'.$url.'" />'."\n".
    '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
    '<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
   
       if (exists($ENV{'form.gradingMenu'}) && exists($ENV{'form.Status'})) {
    $gradeTable.='<input type="hidden" name="Status"   value="'.$ENV{'form.Status'}.'" />'."\n";
       } else {
    $gradeTable.='<b>Student Status:</b> '.
       &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
     }      }
     $request->print('<input type="hidden" name="command" value="processGroup" />'."\n");  
   
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');      $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
        'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
     $result='<table border="0"><tr><td bgcolor="#777777">'.   '<input type="hidden" name="command" value="processGroup" />'."\n";
  '<table border="0"><tr bgcolor="#e6ffff">'.      $gradeTable.='<input type="button" '."\n".
  '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Fullname&nbsp;</b></td>'.   'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
  '<td><b>&nbsp;Username&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';   'value="Next->" />'."\n";
     foreach (sort(@$partlist)) {      $gradeTable.='<input type="checkbox" name="checkPlag" checked="on">Check For Plagiarism</input>';
  $result.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';      my (undef, undef, $fullname) = &getclasslist($getsec,'1');  
       $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">';
       my $loop = 0;
       while ($loop < 2) {
    $gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
       '<td>'.&nameUserString('header').'</td>';
    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
       foreach (sort(@$partlist)) {
    my $display_part=&get_display_part((split(/_/))[0],$url,$symb);
    $gradeTable.='<td><b>&nbsp;Part: '.$display_part.
       ' Status&nbsp;</b></td>';
       }
    }
    $loop++;
   # $gradeTable.='<td></td>' if ($loop%2 ==1);
     }      }
     $request->print($result.'</tr>'."\n");      $gradeTable.='</tr>'."\n";
   
     foreach my $student (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {      my $ctr = 0;
       foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  my ($uname,$udom) = split(/:/,$student);   my ($uname,$udom) = split(/:/,$student);
  my (%status) = &student_gradeStatus($ENV{'form.url'},   my %status = ();
     $ENV{'form.symb'},$udom,$uname,$partlist);   if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  my $statusflg = '';      (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
  foreach (keys(%status)) {      my $submitted = 0;
     $statusflg = 1 if ($status{$_} ne 'nothing');      my $graded = 0;
     my ($foo,$partid,$foo1) = split(/\./,$_);      foreach (keys(%status)) {
     if ($status{'resource.'.$partid.'.submitted_by'} ne '') {   $submitted = 1 if ($status{$_} ne 'nothing');
  $statusflg = '';   $graded = 1 if ($status{$_} !~ /^correct/);
  $request->print('<input type="hidden" name="'.  
  $student.':submitted_by" value="'.   my ($foo,$partid,$foo1) = split(/\./,$_);
  $status{'resource.'.$partid.'.submitted_by'}.'" />');   if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
       $submitted = 0;
       my ($part)=split(/\./,$partid);
       $gradeTable.='<input type="hidden" name="'.
    $student.':'.$part.':submitted_by" value="'.
    $status{'resource.'.$partid.'.submitted_by'}.'" />';
    }
     }      }
       next if (!$submitted && ($submitonly eq 'yes' ||
        $submitonly eq 'incorrect' ||
        $submitonly eq 'graded'));
       next if (!$graded && ($submitonly eq 'graded' ||
     $submitonly eq 'incorrect'));
  }   }
  next if ($statusflg eq '' && $submitonly eq 'yes');  
   
  if ( $Apache::grades::viewgrades eq 'F' ) {   $ctr++;
     $result='<tr bgcolor="#ffffe6">'.   if ( $perm{'vgr'} eq 'F' ) {
       $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
       $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
  '<td align="center"><input type=checkbox name="stuinfo" value="'.   '<td align="center"><input type=checkbox name="stuinfo" value="'.
  $student.':'.$$fullname{$student}.'"></td>'."\n".   $student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
  '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".   '<td>'.&nameUserString(undef,$$fullname{$student},$uname,$udom).'</td>'."\n";
  '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".  
  '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";      if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
        foreach (sort keys(%status)) {
     foreach (sort keys(%status)) {      next if (/^resource.*?submitted_by$/);
  next if (/^resource.*?submitted_by$/);      $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
  $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";   }
       }
   #    $gradeTable.='<td></td>' if ($ctr%2 ==1);
       $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
    }
       }
       if ($ctr%2 ==1) {
    $gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
       if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
    foreach (@$partlist) {
       $gradeTable.='<td>&nbsp;</td>';
    }
     }      }
     $request->print($result.'</tr>'."\n");   $gradeTable.='</tr>';
       }
   
       $gradeTable.='</table></td></tr></table>'.
    '<input type="button" '.
    'onClick="javascript:checkSelect(this.form.stuinfo);" '.
    'value="Next->" /></form>'."\n";
       if ($ctr == 0) {
    my $num_students=(scalar(keys(%$fullname)));
    if ($num_students eq 0) {
       $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
    } else {
       my $submissions='submissions';
       if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
       if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
       $gradeTable='<br />&nbsp;<font color="red">'.
    'No '.$submissions.' found for this resource for any students. ('.$num_students.
    ' students checked for '.$submissions.')</font><br />';
  }   }
       } elsif ($ctr == 1) {
    $gradeTable =~ s/type=checkbox/type=checkbox checked/;
     }      }
     $request->print('</table></td></tr></table>');      $gradeTable.=&show_grading_menu_form($symb,$url);
     $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');      $request->print($gradeTable);
     return '';      return '';
 }  }
   
Line 399  ENDTABLEST Line 793  ENDTABLEST
 sub processGroup {  sub processGroup {
     my ($request)  = shift;      my ($request)  = shift;
     my $ctr        = 0;      my $ctr        = 0;
     my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}      my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo');
       : ($ENV{'form.stuinfo'}));  
     my $total      = scalar(@stuchecked)-1;      my $total      = scalar(@stuchecked)-1;
     if ($stuchecked[0] eq '') {  
  &userError($request,'No student was selected for viewing/grading.');  
  return;  
     }  
     foreach (@stuchecked) {      foreach (@stuchecked) {
  my ($uname,$udom,$fullname) = split(/:/);   my ($uname,$udom,$fullname) = split(/:/);
  $ENV{'form.student'}        = $uname;   $ENV{'form.student'}        = $uname;
Line 427  sub sub_page_js { Line 817  sub sub_page_js {
     my $request = shift;      my $request = shift;
     $request->print(<<SUBJAVASCRIPT);      $request->print(<<SUBJAVASCRIPT);
 <script type="text/javascript" language="javascript">  <script type="text/javascript" language="javascript">
   function updateRadio(radioButton,formtextbox,formsel,scores,weight) {      function updateRadio(formname,id,weight) {
      var pts = formtextbox.value;   var gradeBox = formname["GD_BOX"+id];
      var resetbox =false;   var radioButton = formname["RADVAL"+id];
      if (isNaN(pts) || pts < 0) {   var oldpts = formname["oldpts"+id].value;
         alert("A number equal or greater than 0 is expected. Entered value = "+pts);   var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
         for (var i=0; i<radioButton.length; i++) {   gradeBox.value = pts;
            if (radioButton[i].checked) {   var resetbox = false;
       formtextbox.value = i;   if (isNaN(pts) || pts < 0) {
       resetbox = true;      alert("A number equal or greater than 0 is expected. Entered value = "+pts);
    }      for (var i=0; i<radioButton.length; i++) {
    if (radioButton[i].checked) {
       gradeBox.value = i;
       resetbox = true;
    }
       }
       if (!resetbox) {
    formtextbox.value = "";
       }
       return;
  }   }
  if (!resetbox) {  
    formtextbox.value = "";   if (pts > weight) {
       var resp = confirm("You entered a value ("+pts+
          ") greater than the weight for the part. Accept?");
       if (resp == false) {
    gradeBox.value = oldpts;
    return;
       }
  }   }
   
    for (var i=0; i<radioButton.length; i++) {
       radioButton[i].checked=false;
       if (pts == i && pts != "") {
    radioButton[i].checked=true;
       }
    }
    updateSelect(formname,id);
    formname["stores"+id].value = "0";
       }
   
       function writeBox(formname,id,pts) {
    var gradeBox = formname["GD_BOX"+id];
    if (checkSolved(formname,id) == 'update') {
       gradeBox.value = pts;
    } else {
       var oldpts = formname["oldpts"+id].value;
       gradeBox.value = oldpts;
       var radioButton = formname["RADVAL"+id];
       for (var i=0; i<radioButton.length; i++) {
    radioButton[i].checked=false;
    if (i == oldpts) {
       radioButton[i].checked=true;
    }
       }
    }
    formname["stores"+id].value = "0";
    updateSelect(formname,id);
  return;   return;
      }      }
   
      if (pts > weight) {      function clearRadBox(formname,id) {
         var resp = confirm("You entered a value ("+pts+   if (checkSolved(formname,id) == 'noupdate') {
           ") greater than the weight for the part. Accept?");      updateSelect(formname,id);
         if (resp == false) {      return;
            formtextbox.value = "";   }
            return;   gradeSelect = formname["GD_SEL"+id];
        }   for (var i=0; i<gradeSelect.length; i++) {
       if (gradeSelect[i].selected) {
    var selectx=i;
       }
    }
    var stores = formname["stores"+id];
    if (selectx == stores.value) { return };
    var gradeBox = formname["GD_BOX"+id];
    gradeBox.value = "";
    var radioButton = formname["RADVAL"+id];
    for (var i=0; i<radioButton.length; i++) {
       radioButton[i].checked=false;
    }
    stores.value = selectx;
     }      }
   
     for (var i=0; i<radioButton.length; i++) {      function checkSolved(formname,id) {
  radioButton[i].checked=false;   if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
  if (pts == i) {      var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
    radioButton[i].checked=true;      if (!reply) {return "noupdate";}
       formname.overRideScore.value = 'yes';
  }   }
    return "update";
     }      }
     updateSelect(formsel);  
     scores.value = "0";  
   }  
   
   function writeBox(formrad,formsel,pts,scores) {      function updateSelect(formname,id) {
     formrad.value = pts;   formname["GD_SEL"+id][0].selected = true;
     scores.value = "0";   return;
     updateSelect(formsel,pts);      }
     return;  
   }  
   
   function clearRadBox(radioButton,formbox,formsel,scores) {  //=========== Check that a point is assigned for all the parts  ============
     for (var i=0; i<formsel.length; i++) {      function checksubmit(formname,val,total,parttot) {
  if (formsel[i].selected) {   formname.gradeOpt.value = val;
     var selectx=i;   if (val == "Save & Next") {
       for (i=0;i<=total;i++) {
    for (j=0;j<parttot;j++) {
       var partid = formname["partid"+i+"_"+j].value;
       if (formname["GD_SEL"+i+"_"+partid][0].selected) {
    var points = formname["GD_BOX"+i+"_"+partid].value;
    if (points == "") {
       var name = formname["name"+i].value;
       var studentID = (name != '' ? name : formname["unamedom"+i].value);
       var resp = confirm("You did not assign a score for "+studentID+
          ", part "+partid+". Continue?");
       if (resp == false) {
    formname["GD_BOX"+i+"_"+partid].focus();
    return false;
       }
    }
       }
       
    }
       }
       
    }
    if (val == "Grade Student") {
       formname.showgrading.value = "yes";
       if (formname.Status.value == "") {
    formname.Status.value = "Active";
       }
       formname.studentNo.value = total;
  }   }
    formname.submit();
     }      }
     if (selectx == scores.value) { return };  
     formbox.value = "";  //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
     for (var i=0; i<radioButton.length; i++) {      function checkSubmitPage(formname,total) {
  radioButton[i].checked=false;   noscore = new Array(100);
    var ptr = 0;
    for (i=1;i<total;i++) {
       var partid = formname["q_"+i].value;
       if (formname["GD_SEL"+i+"_"+partid][0].selected) {
    var points = formname["GD_BOX"+i+"_"+partid].value;
    var status = formname["solved"+i+"_"+partid].value;
    if (points == "" && status != "correct_by_student") {
       noscore[ptr] = i;
       ptr++;
    }
       }
    }
    if (ptr != 0) {
       var sense = ptr == 1 ? ": " : "s: ";
       var prolist = "";
       if (ptr == 1) {
    prolist = noscore[0];
       } else {
    var i = 0;
    while (i < ptr-1) {
       prolist += noscore[i]+", ";
       i++;
    }
    prolist += "and "+noscore[i];
       }
       var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
       if (resp == false) {
    return false;
       }
    }
   
    formname.submit();
     }      }
     scores.value = selectx;  </script>
   }  SUBJAVASCRIPT
   }
   
   function updateSelect(formsel) {  #--- javascript for essay type problem --
     formsel[0].selected = true;  sub sub_page_kw_js {
     return;      my $request = shift;
   }      my $iconpath = $request->dir_config('lonIconsURL');
       &commonJSfunctions($request);
       $request->print(<<SUBJAVASCRIPT);
   <script type="text/javascript" language="javascript">
   
 //===================== Show list of keywords ====================  //===================== Show list of keywords ====================
   function keywords(keyform) {    function keywords(formname) {
     var keywds = keyform.value;      var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
     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;      formname.keywords.value = nret;
   
     document.SCORE.refresh.value = "on";      if (formname.keywords.value != "") {
     if (document.SCORE.keywords.value != "") {   formname.refresh.value = "on";
  document.SCORE.submit();   formname.submit();
     }      }
     return;      return;
   }    }
Line 519  sub sub_page_js { Line 1025  sub sub_page_js {
     else return;      else return;
     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");      var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
     if (cleantxt=="") {      if (cleantxt=="") {
  alert("Select a word or group of words from document and then click this link.");   alert("Please select a word or group of words from document and then click this link.");
  return;   return;
     }      }
     var nret = prompt("Add selection to keyword list? Edit if desired.",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;      document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
     document.SCORE.keywords.value = curlist+" "+nret;  
     document.SCORE.refresh.value = "on";  
     if (document.SCORE.keywords.value != "") {      if (document.SCORE.keywords.value != "") {
    document.SCORE.refresh.value = "on";
  document.SCORE.submit();   document.SCORE.submit();
     }      }
     return;      return;
   }    }
   
 //====================== Script for composing message ==============  //====================== Script for composing message ==============
      // preload images
      img1 = new Image();
      img1.src = "$iconpath/mailbkgrd.gif";
      img2 = new Image();
      img2.src = "$iconpath/mailto.gif";
   
   function msgCenter(msgform,usrctr,fullname) {    function msgCenter(msgform,usrctr,fullname) {
     var Nmsg  = msgform.savemsgN.value;      var Nmsg  = msgform.savemsgN.value;
     savedMsgHeader(Nmsg,usrctr,fullname);      savedMsgHeader(Nmsg,usrctr,fullname);
     var subject = msgform.msgsub.value;      var subject = msgform.msgsub.value;
     var rtrchk  = eval("document.SCORE.includemsg"+usrctr);      var msgchk = document.SCORE["includemsg"+usrctr].value;
     var msgchk = rtrchk.value;  
     re = /msgsub/;      re = /msgsub/;
     var shwsel = "";      var shwsel = "";
     if (re.test(msgchk)) { shwsel = "checked" }      if (re.test(msgchk)) { shwsel = "checked" }
     displaySubject(subject,shwsel);      subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
       displaySubject(checkEntities(subject),shwsel);
     for (var i=1; i<=Nmsg; i++) {      for (var i=1; i<=Nmsg; i++) {
  var testpt = "savemsg"+i+",";   var testmsg = "savemsg"+i+",";
  re = /testpt/;   re = new RegExp(testmsg,"g");
  shwsel = "";   shwsel = "";
  if (re.test(msgchk)) { shwsel = "checked" }   if (re.test(msgchk)) { shwsel = "checked" }
  var message = eval("document.SCORE.savemsg"+i+".value");   var message = document.SCORE["savemsg"+i].value;
  displaySavedMsg(i,message,shwsel);   message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
    displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
                                      //any &lt; is already converted to <, etc. However, only once!!
     }      }
     newmsg = eval("document.SCORE.newmsg"+usrctr+".value");      newmsg = document.SCORE["newmsg"+usrctr].value;
     shwsel = "";      shwsel = "";
     re = /newmsg/;      re = /newmsg/;
     if (re.test(msgchk)) { shwsel = "checked" }      if (re.test(msgchk)) { shwsel = "checked" }
Line 561  sub sub_page_js { Line 1074  sub sub_page_js {
     return;      return;
   }    }
   
     function checkEntities(strx) {
       if (strx.length == 0) return strx;
       var orgStr = ["&", "<", ">", '"']; 
       var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
       var counter = 0;
       while (counter < 4) {
    strx = strReplace(strx,orgStr[counter],newStr[counter]);
    counter++;
       }
       return strx;
     }
   
     function strReplace(strx, orgStr, newStr) {
       return strx.split(orgStr).join(newStr);
     }
   
   function savedMsgHeader(Nmsg,usrctr,fullname) {    function savedMsgHeader(Nmsg,usrctr,fullname) {
     var height = 30*Nmsg+250;      var height = 70*Nmsg+250;
     var scrollbar = "no";      var scrollbar = "no";
     if (height > 600) {      if (height > 600) {
  height = 600;   height = 600;
  scrollbar = "yes";   scrollbar = "yes";
     }      }
 /*    if (window.pWin)      var xpos = (screen.width-600)/2;
  window.pWin.close(); */      xpos = (xpos < 0) ? '0' : xpos;
     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);      var ypos = (screen.height-height)/2-30;
     pWin.document.write("<html><head>");      ypos = (ypos < 0) ? '0' : ypos;
     pWin.document.write("<title>Message Central</title>");  
       pWin = window.open('', 'MessageCenter', 'resizable=yes,toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
     pWin.document.write("<script language=javascript>");      pWin.focus();
     pWin.document.write("function checkInput() {");      pDoc = pWin.document;
     pWin.document.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");      pDoc.open('text/html','replace');
     pWin.document.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");      pDoc.write("<html><head>");
     pWin.document.write("  var usrctr = document.msgcenter.usrctr.value;");      pDoc.write("<title>Message Central</title>");
     pWin.document.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");  
     pWin.document.write("  newval.value = document.msgcenter.newmsg.value;");      pDoc.write("<script language=javascript>");
       pDoc.write("function checkInput() {");
     pWin.document.write("  var msgchk = \\"\\";");      pDoc.write("  opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);");
     pWin.document.write("  if (document.msgcenter.subchk.checked) {");      pDoc.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
     pWin.document.write("     msgchk = \\"msgsub,\\";");      pDoc.write("  var usrctr = document.msgcenter.usrctr.value;");
     pWin.document.write("  }");      pDoc.write("  var newval = opener.document.SCORE[\\"newmsg\\"+usrctr];");
     pWin.document.write(   "for (var i=1; i<=nmsg; i++) {");      pDoc.write("  newval.value = opener.checkEntities(document.msgcenter.newmsg.value);");
     pWin.document.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");  
     pWin.document.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");      pDoc.write("  var msgchk = \\"\\";");
     pWin.document.write("      opnmsg.value = frmmsg.value;");      pDoc.write("  if (document.msgcenter.subchk.checked) {");
     pWin.document.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");      pDoc.write("     msgchk = \\"msgsub,\\";");
     pWin.document.write("      if (chkbox.checked) {");      pDoc.write("  }");
     pWin.document.write("         msgchk += \\"savemsg\\"+i+\\",\\";");      pDoc.write("  var includemsg = 0;");
     pWin.document.write("      }");      pDoc.write("  for (var i=1; i<=nmsg; i++) {");
     pWin.document.write("  }");      pDoc.write("      var opnmsg = opener.document.SCORE[\\"savemsg\\"+i];");
     pWin.document.write("  if (document.msgcenter.newmsgchk.checked) {");      pDoc.write("      var frmmsg = document.msgcenter[\\"msg\\"+i];");
     pWin.document.write("     msgchk += \\"newmsg\\"+usrctr;");      pDoc.write("      opnmsg.value = opener.checkEntities(frmmsg.value);");
     pWin.document.write("  }");      pDoc.write("      var showflg = opener.document.SCORE[\\"shownOnce\\"+i];");
     pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");      pDoc.write("      showflg.value = \\"1\\";");
     pWin.document.write("  includemsg.value = msgchk;");      pDoc.write("      var chkbox = document.msgcenter[\\"msgn\\"+i];");
       pDoc.write("      if (chkbox.checked) {");
     pWin.document.write("  self.close()");      pDoc.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
       pDoc.write("         includemsg = 1;");
     pWin.document.write("}");      pDoc.write("      }");
       pDoc.write("  }");
     pWin.document.write("<");      pDoc.write("  if (document.msgcenter.newmsgchk.checked) {");
     pWin.document.write("/script>");      pDoc.write("     msgchk += \\"newmsg\\"+usrctr;");
       pDoc.write("     includemsg = 1;");
     pWin.document.write("</head><body bgcolor=white>");      pDoc.write("  }");
       pDoc.write("  imgformname = opener.document.SCORE[\\"mailicon\\"+usrctr];");
     pWin.document.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");      pDoc.write("  imgformname.src = \\"$iconpath/\\"+((includemsg) ? \\"mailto.gif\\" : \\"mailbkgrd.gif\\");");
     pWin.document.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");      pDoc.write("  var includemsg = opener.document.SCORE[\\"includemsg\\"+usrctr];");
     pWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");      pDoc.write("  includemsg.value = msgchk;");
   
     pWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");      pDoc.write("  self.close()");
     pWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");  
     pWin.document.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");      pDoc.write("}");
   
       pDoc.write("<");
       pDoc.write("/script>");
   
       pDoc.write("</head><body bgcolor=white>");
   
       pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
       pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
       pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
   
       pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
       pDoc.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
 }  }
     function displaySubject(msg,shwsel) {      function displaySubject(msg,shwsel) {
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");      pDoc = pWin.document;
     pWin.document.write("<td>Subject</td>");      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
     pWin.document.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");      pDoc.write("<td>Subject</td>");
     pWin.document.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+" \\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");      pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
 }  }
   
 function displaySavedMsg(ctr,msg,shwsel) {    function displaySavedMsg(ctr,msg,shwsel) {
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");      pDoc = pWin.document;
     pWin.document.write("<td align=\\"center\\">"+ctr+"</td>");      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
     pWin.document.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");      pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
     pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");      pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"</textarea></td></tr>");
 }  }
   
   function newMsg(newmsg,shwsel) {    function newMsg(newmsg,shwsel) {
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");      pDoc = pWin.document;
     pWin.document.write("<td align=\\"center\\">New</td>");      pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
     pWin.document.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");      pDoc.write("<td align=\\"center\\">New</td>");
     pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");      pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
       pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"</textarea></td></tr>");
 }  }
   
   function msgTail() {    function msgTail() {
     pWin.document.write("</table>");      pDoc = pWin.document;
     pWin.document.write("</td></tr></table>&nbsp;");      pDoc.write("</table>");
     pWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");      pDoc.write("</td></tr></table>&nbsp;");
     pWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");      pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
     pWin.document.write("</form>");      pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
     pWin.document.write("</body></html>");      pDoc.write("</form>");
       pDoc.write("</body></html>");
       pDoc.close();
 }  }
   
 //====================== Script for keyword highlight options ==============  //====================== Script for keyword highlight options ==============
Line 679  function displaySavedMsg(ctr,msg,shwsel) Line 1226  function displaySavedMsg(ctr,msg,shwsel)
     return;      return;
   }    }
   
   
   function highlightCentral() {    function highlightCentral() {
     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');  //    if (window.hwdWin) window.hwdWin.close();
     hwdWin.document.write("<html><head>");      var xpos = (screen.width-400)/2;
     hwdWin.document.write("<title>Highlight Central</title>");      xpos = (xpos < 0) ? '0' : xpos;
       var ypos = (screen.height-330)/2-30;
     hwdWin.document.write("<script language=javascript>");      ypos = (ypos < 0) ? '0' : ypos;
     hwdWin.document.write("function updateChoice(flag) {");  
     hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");      hwdWin = window.open('', 'KeywordHighlightCentral', 'resizeable=yes,toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
     hwdWin.document.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");      hwdWin.focus();
     hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");      var hDoc = hwdWin.document;
     hwdWin.document.write("  opener.document.SCORE.refresh.value = \\"on\\";");      hDoc.open('text/html','replace');
     hwdWin.document.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");      hDoc.write("<html><head>");
     hwdWin.document.write("     opener.document.SCORE.submit();");      hDoc.write("<title>Highlight Central</title>");
     hwdWin.document.write("  }");  
     hwdWin.document.write("  self.close()");      hDoc.write("<script language=javascript>");
     hwdWin.document.write("}");      hDoc.write("function updateChoice(flag) {");
       hDoc.write("  opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);");
     hwdWin.document.write("function radioSelection(radioButton) {");      hDoc.write("  opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);");
     hwdWin.document.write("    var selection=null;");      hDoc.write("  opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);");
     hwdWin.document.write("    for (var i=0; i<radioButton.length; i++) {");      hDoc.write("  opener.document.SCORE.refresh.value = \\"on\\";");
     hwdWin.document.write("        if (radioButton[i].checked) {");      hDoc.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");
     hwdWin.document.write("            selection=radioButton[i].value;");      hDoc.write("     opener.document.SCORE.submit();");
     hwdWin.document.write("            return selection;");      hDoc.write("  }");
     hwdWin.document.write("        }");      hDoc.write("  self.close()");
     hwdWin.document.write("    }");      hDoc.write("}");
     hwdWin.document.write("}");  
       hDoc.write("<");
     hwdWin.document.write("<");      hDoc.write("/script>");
     hwdWin.document.write("/script>");  
       hDoc.write("</head><body bgcolor=white>");
     hwdWin.document.write("</head><body bgcolor=white>");  
       hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
     hwdWin.document.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");      hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
     hwdWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");  
       hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
     hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");      hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
     hwdWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");      hDoc.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\\">");      var hDoc = hwdWin.document;
     hwdWin.document.write("<td align=\\"left\\">");      hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
     hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");      hDoc.write("<td align=\\"left\\">");
     hwdWin.document.write("<td align=\\"left\\">");      hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
     hwdWin.document.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");      hDoc.write("<td align=\\"left\\">");
     hwdWin.document.write("<td align=\\"left\\">");      hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
     hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");      hDoc.write("<td align=\\"left\\">");
     hwdWin.document.write("</tr>");      hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
       hDoc.write("</tr>");
   }    }
   
   function highlightend() {     function highlightend() { 
     hwdWin.document.write("</table>");      var hDoc = hwdWin.document;
     hwdWin.document.write("</td></tr></table>&nbsp;");      hDoc.write("</table>");
 //    hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");      hDoc.write("</td></tr></table>&nbsp;");
     hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");      hDoc.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>");      hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
     hwdWin.document.write("</form>");      hDoc.write("</form>");
     hwdWin.document.write("</body></html>");      hDoc.write("</body></html>");
       hDoc.close();
   }    }
   
 </script>  </script>
 SUBJAVASCRIPT  SUBJAVASCRIPT
 }  }
   
   #--- displays the grading box, used in essay type problem and grading by page/sequence
   sub gradeBox {
       my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
   
       my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
    '/check.gif" height="16" border="0" />';
   
       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);
       my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
   
       my $display_part=&get_display_part($partid,undef,$symb);
       $result.='<table border="0"><tr><td>'.
    '<b>Part: </b>'.$display_part.' <b>Points: </b></td><td>'."\n";
   
       my $ctr = 0;
       $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
       while ($ctr<=$wgt) {
    $result.= '<td><nobr><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
       'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
       $ctr.')" value="'.$ctr.'" '.
       ($score eq $ctr ? 'checked':'').' /> '.$ctr."</nobr></td>\n";
    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
    $ctr++;
       }
       $result.='</tr></table>';
   
       $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
       $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
    ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
    'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
    $wgt.')" /></td>'."\n";
       $result.='<td>/'.$wgt.' '.$wgtmsg.
    ($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
    ' </td><td>'."\n";
   
       $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
    'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
       if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
    $result.='<option> </option>'.
       '<option selected="on">excused</option>';
       } else {
    $result.='<option selected="on"> </option>'.
       '<option>excused</option>';
       }
       $result.='<option>reset status</option></select>'."\n";
       $result.="&nbsp&nbsp\n";
       $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
    '<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
    '<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
    $$record{'resource.'.$partid.'.solved'}.'" />'."\n";
       $result.='</td></tr></table>'."\n";
       return $result;
   }
   
   sub show_problem {
       my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode) = @_;
       my $rendered;
       if ($mode eq 'both' or $mode eq 'text') {
    $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
        $ENV{'request.course.id'});
       }
       if ($removeform) {
    $rendered=~s|<form(.*?)>||g;
    $rendered=~s|</form>||g;
    $rendered=~s|name="submit"|name="would_have_been_submit"|g;
       }
       my $companswer;
       if ($mode eq 'both' or $mode eq 'answer') {
    $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
       $ENV{'request.course.id'});
       }
       if ($removeform) {
    $companswer=~s|<form(.*?)>||g;
    $companswer=~s|</form>||g;
    $companswer=~s|name="submit"|name="would_have_been_submit"|g;
       }
       my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
       $result.='<table border="0" width="100%">';
       if ($viewon) {
    $result.='<tr><td bgcolor="#e6ffff"><b> ';
    if ($mode eq 'both' or $mode eq 'text') {
       $result.='View of the problem - ';
    } else {
       $result.='Correct answer: ';
    }
    $result.=$ENV{'form.fullname'}.'</b></td></tr>';
       }
       if ($mode eq 'both') {
    $result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
    $result.='<b>Correct answer:</b><br />'.$companswer;
       } elsif ($mode eq 'text') {
    $result.='<tr><td bgcolor="#ffffff">'.$rendered;
       } elsif ($mode eq 'answer') {
    $result.='<tr><td bgcolor="#ffffff">'.$companswer;
       }
       $result.='</td></tr></table>';
       $result.='</td></tr></table><br />';
       return $result;
   }
   
 # --------------------------- show submissions of a student, option to grade   # --------------------------- show submissions of a student, option to grade 
 sub submission {  sub submission {
     my ($request,$counter,$total) = @_;      my ($request,$counter,$total) = @_;
   
     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;      (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)     = ($ENV{'form.student'},$ENV{'form.userdom'});      my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
     ($uname,$udom)        = &finduser($uname) if $udom eq '';      $udom = ($udom eq '' ? $ENV{'user.domain'} : $udom); #has form.userdom changed for a student?
       my $usec = &Apache::lonnet::getsection($udom,$uname,$ENV{'request.course.id'});
     $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} 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)));      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }      if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
   
       if (!&canview($usec)) {
    $request->print('<font color="red">Unable to view requested student.('.
    $uname.$udom.$usec.$ENV{'request.course.id'}.')</font>');
    $request->print(&show_grading_menu_form($symb,$url));
    return;
       }
   
       if (!$ENV{'form.lastSub'}) { $ENV{'form.lastSub'} = 'datesub'; }
       if (!$ENV{'form.vProb'}) { $ENV{'form.vProb'} = 'yes'; }
       if (!$ENV{'form.vAns'}) { $ENV{'form.vAns'} = 'yes'; }
     my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');      my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
     $ENV{'form.vProb'} = $ENV{'form.vProb'} ne '' ? $ENV{'form.vProb'} : 'yes';      my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
     my ($classlist,$seclist,$ids,$stusec,$fullname);   '/check.gif" height="16" border="0" />';
   
     # header info      # header info
     if ($counter == 0) {      if ($counter == 0) {
  &sub_page_js($request);   &sub_page_js($request);
  $request->print('<h2>&nbsp;<font color="#339933">Submission Record</font></h2>'.   &sub_page_kw_js($request) if ($ENV{'form.handgrade'} eq 'yes');
  '<font size=+1>&nbsp;<b>Resource: </b>'.$url.'</font>');   $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
       &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
   
    $request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
    '<font size=+1>&nbsp;<b>Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
   
    if ($ENV{'form.handgrade'} eq 'no') {
       my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
    $checkIcon.' symbol.'."\n";
       $request->print($checkMark);
    }
   
  # option to display problem, only once else it cause problems    # option to display problem, only once else it cause problems 
         # with the form later since the problem has a form.          # with the form later since the problem has a form.
  if ($ENV{'form.vProb'} eq 'yes') {   if ($ENV{'form.vProb'} eq 'yes' or $ENV{'form.vAns'} eq 'yes') {
     my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,      my $mode;
       $ENV{'request.course.id'});      if ($ENV{'form.vProb'} eq 'yes' && $ENV{'form.vAns'} eq 'yes') {
     my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,   $mode='both';
    $ENV{'request.course.id'});      } elsif ($ENV{'form.vProb'} eq 'yes') {
     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';   $mode='text';
     $result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';      } elsif ($ENV{'form.vAns'} eq 'yes') {
     $result.='<b> View of the problem for '.$ENV{'form.fullname'}.   $mode='answer';
  '</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';      }
     $result.='<b>Correct answer:</b><br />'.$companswer;      $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
     $result.='</td></tr></table>';  
     $result.='</td></tr></table><br />';  
     $request->print($result);  
  }   }
   
  # kwclr is the only variable that is guaranteed to be non blank    # kwclr is the only variable that is guaranteed to be non blank 
         # if this subroutine has been called once.          # if this subroutine has been called once.
  my %keyhash = ();   my %keyhash = ();
  if ($ENV{'form.kwclr'} eq '') {   if ($ENV{'form.kwclr'} eq '' && $ENV{'form.handgrade'} eq 'yes') {
     %keyhash = &Apache::lonnet::dump('nohist_handgrade',      %keyhash = &Apache::lonnet::dump('nohist_handgrade',
      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
Line 800  sub submission { Line 1468  sub submission {
     $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';      $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
     $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';      $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
     $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ?       $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
  $keyhash{$symb.'_subject'} : &Apache::lonnet::metadata($url,'title');   $keyhash{$symb.'_subject'} : $ENV{'form.probTitle'};
     $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';      $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
   
  }   }
    my $overRideScore = $ENV{'form.overRideScore'} eq '' ? 'no' : $ENV{'form.overRideScore'};
   
  $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".   $request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
  '<input type="hidden" name="command"    value="handgrade" />'."\n".   '<input type="hidden" name="command"    value="handgrade" />'."\n".
    '<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
    '<input type="hidden" name="Status"     value="'.$ENV{'form.Status'}.'" />'."\n".
    '<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
    '<input type="hidden" name="probTitle"  value="'.$ENV{'form.probTitle'}.'" />'."\n".
  '<input type="hidden" name="refresh"    value="off" />'."\n".   '<input type="hidden" name="refresh"    value="off" />'."\n".
    '<input type="hidden" name="studentNo"  value="" />'."\n".
    '<input type="hidden" name="gradeOpt"   value="" />'."\n".
  '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".   '<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
  '<input type="hidden" name="url"        value="'.$url.'" />'."\n".   '<input type="hidden" name="url"        value="'.$url.'" />'."\n".
  '<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\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="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
    '<input type="hidden" name="vAns"       value="'.$ENV{'form.vAns'}.'" />'."\n".
  '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".   '<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
  '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".   '<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
  '<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".   '<input type="hidden" name="submitonly" value="'.$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="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="'.$ENV{'form.savemsgN'}.'" />'."\n".  
  '<input type="hidden" name="NCT"'.   '<input type="hidden" name="NCT"'.
  ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");   ' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
    if ($ENV{'form.handgrade'} eq 'yes') {
       $request->print('<input type="hidden" name="keywords" value="'.$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="shownSub" value="0" />'."\n".
       '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");
       foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
    $request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
       }
    }
   
  my ($cts,$prnmsg) = (1,'');   my ($cts,$prnmsg) = (1,'');
  while ($cts <= $ENV{'form.savemsgN'}) {   while ($cts <= $ENV{'form.savemsgN'}) {
     $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.      $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
  ($keyhash{$symb.'_savemsg'.$cts} eq '' ? $ENV{'form.savemsg'.$cts} : $keyhash{$symb.'_savemsg'.$cts}).   (!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
  '" />'."\n";   &Apache::lonfeedback::clear_out_html($ENV{'form.savemsg'.$cts}) :
    &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
    '" />'."\n".
    '<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
     $cts++;      $cts++;
  }   }
  $request->print($prnmsg);   $request->print($prnmsg);
   
  if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {   if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {
   #
   # Print out the keyword options line
   #
     $request->print(<<KEYWORDS);      $request->print(<<KEYWORDS);
 &nbsp;<b>Keyword Options:</b>&nbsp;  &nbsp;<b>Keyword Options:</b>&nbsp;
 <a href="javascript:keywords(document.SCORE.keywords)"; TARGET=_self>List</a>&nbsp; &nbsp;  <a href="javascript:keywords(document.SCORE)"; 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 List</a>&nbsp; &nbsp;   CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
 <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />  <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
 KEYWORDS  KEYWORDS
   #
   # Load the other essays for similarity check
   #
               my $essayurl=&Apache::lonnet::declutter($url);
       my ($adom,$aname,$apath)=($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
       $apath=&Apache::lonnet::escape($apath);
       $apath=~s/\W/\_/gs;
       %oldessays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
         }          }
     }      }
   
       if ($ENV{'form.vProb'} eq 'all' or $ENV{'form.vAns'} eq 'all') {
    $request->print('<br /><br /><br />') if ($counter > 0);
    my $mode;
    if ($ENV{'form.vProb'} eq 'all' && $ENV{'form.vAns'} eq 'all') {
       $mode='both';
    } elsif ($ENV{'form.vProb'} eq 'all' ) {
       $mode='text';
    } elsif ($ENV{'form.vAns'} eq 'all') {
       $mode='answer';
    }
    $request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode));
       }
   
     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);      my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my ($partlist,$handgrade) = &response_type($url);  
       my ($partlist,$handgrade,$responseType) = &response_type($url,$symb);
   
     # Display student info      # Display student info
     $request->print(($counter == 0 ? '' : '<br />'));      $request->print(($counter == 0 ? '' : '<br />'));
     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'.      my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'."\n".
  '<table border="0" width=100%><tr bgcolor="#edffff"><td>';   '<table border="0" width=100%><tr bgcolor="#edffff"><td>'."\n";
   
 #    $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$ENV{'form.fullname'}.  
     $result.='<b>Fullname: </b>'.$ENV{'form.fullname'}.  
  '<font color="#999999">&nbsp; &nbsp;Username: '.$uname.'</font>'.  
  '<font color="#999999">&nbsp; &nbsp;Domain: '.$udom.'</font><br />';  
   
     # If this is handgraded, then check for collaborators      $result.='<b>Fullname: </b>'.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).'<br />'."\n";
     my $col_flag = 0;      $result.='<input type="hidden" name="name'.$counter.
    '" value="'.$ENV{'form.fullname'}.'" />'."\n";
   
       # If any part of the problem is an essay-response (handgraded), then check for collaborators
       my @col_fullnames;
       my ($classlist,$fullname);
     if ($ENV{'form.handgrade'} eq 'yes') {      if ($ENV{'form.handgrade'} eq 'yes') {
  my @col_list;   ($classlist,undef,$fullname) = &getclasslist('all','0');
  ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist('all','0');  
  for (keys (%$handgrade)) {   for (keys (%$handgrade)) {
     my $ncol = &Apache::lonnet::EXT('resource.'.$_.      my $ncol = &Apache::lonnet::EXT('resource.'.$_.
     '.maxcollaborators',$symb,$udom,$uname);      '.maxcollaborators',
     if ($ncol > 0) {                                              $symb,$udom,$uname);
  s/\_/\./g;      next if ($ncol <= 0);
  if ($record{'resource.'.$_.'.collaborators'} ne '') {              s/\_/\./g;
     my (@collaborators) = split(/,?\s+/,              next if ($record{'resource.'.$_.'.collaborators'} eq '');
  $record{'resource.'.$_.'.collaborators'});              my @goodcollaborators = ();
     my (@badcollaborators);              my @badcollaborators  = ();
     if (scalar(@collaborators) != 0) {      foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) { 
  $result.='<b>Collaborators: </b>';   $_ =~ s/[\$\^\(\)]//g;
  foreach my $collaborator (@collaborators) {   next if ($_ eq '');
     $collaborator = $collaborator =~ /\@|:/ ?    my ($co_name,$co_dom) = split /\@|:/,$_;
  (split(/@|:/,$collaborator))[0] : $collaborator;   $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
     next if ($collaborator eq $uname);   next if ($co_name eq $uname && $co_dom eq $udom);
     if (!grep /^$collaborator:/i,keys %$classlist) {   # Doing this grep allows 'fuzzy' specification
  push @badcollaborators,$collaborator;   my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
  next;   if (! scalar(@Matches)) {
     }      push @badcollaborators,$_;
     $col_flag++;   } else {
     push @col_list, $collaborator;      push @goodcollaborators, @Matches;
     $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";  
     }  
  }   }
     }      }
               if (scalar(@goodcollaborators) != 0) {
                   $result.='<b>Collaborators: </b>';
                   foreach (@goodcollaborators) {
       my ($lastname,$givenn) = split(/,/,$$fullname{$_});
       push @col_fullnames, $givenn.' '.$lastname;
       $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
    }
                   $result.='<br />'."\n";
    my ($part)=split(/\./,$_);
    $result.='<input type="hidden" name="collaborator'.$counter.
       '" value="'.$part.':'.(join ':',@goodcollaborators).'" />'.
       "\n";
       }
       if (scalar(@badcollaborators) > 0) {
    $result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
    $result.='This student has submitted ';
    $result.=(scalar(@badcollaborators) == 1) ? 'an invalid collaborator' : 'invalid collaborators';
    $result .= ': '.join(', ',@badcollaborators);
    $result .= '</td></tr></table>';
       }         
       if (scalar(@badcollaborators > $ncol)) {
    $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>';
    $result .= 'This student has submitted too many '.
       'collaborators.  Maximum is '.$ncol.'.';
    $result .= '</td></tr></table>';
       }
  }   }
     }      }
     $request->print($result."\n");      $request->print($result."\n");
Line 914  KEYWORDS Line 1631  KEYWORDS
     #             (3) Last submission plus the parts info      #             (3) Last submission plus the parts info
     #             (4) The whole record for this student      #             (4) The whole record for this student
     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {      if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
  if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {   my ($string,$timestamp)= &get_last_submission(\%record);
     my $submitby=''.   my $lastsubonly=''.
  '<b>Collaborative submission by: </b>'.      ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
  '<a href="javascript:viewSubmitter(\''.       $$timestamp)."</td></tr>\n";
  $ENV{'form.'.$uname.':'.$udom.':submitted_by'}.   if ($$timestamp eq '') {
  '\')"; TARGET=_self>'.      $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
  $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';   } else {
     $request->print($submitby);      my %seenparts;
  } else {      for my $part (sort keys(%$handgrade)) {
     my ($string,$timestamp)=   my ($partid,$respid) = split(/_/,$part);
  &get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});   my $display_part=&get_display_part($partid,$url,$symb);
     my $lastsubonly.=''.   if ($ENV{"form.$uname:$udom:$partid:submitted_by"}) {
  ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.      if (exists($seenparts{$partid})) { next; }
  $$timestamp).'';      $seenparts{$partid}=1;
     if ($$timestamp eq '') {      my $submitby='<b>Part:</b> '.$display_part.
  $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';   ' <b>Collaborative submission by:</b> '.
     } else {   '<a href="javascript:viewSubmitter(\''.
  for my $part (sort keys(%$handgrade)) {   $ENV{"form.$uname:$udom:$partid:submitted_by"}.
     foreach (@$string) {   '\')"; TARGET=_self>'.
  my ($partid,$respid) = /^resource\.(\d+)\.(\d+)\.submission/;   $$fullname{$ENV{"form.$uname:$udom:$partid:submitted_by"}}.'</a><br />';
  if ($part eq ($partid.'_'.$respid)) {      $request->print($submitby);
     my ($ressub,$subval) = split(/:/,$_,2);      next;
     $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.   }
  $partid.'</b> <font color="#999999">( ID '.$respid.   my $responsetype = $responseType->{$partid}->{$respid};
  ' )</font>&nbsp; &nbsp;<b>Answer: </b>'.   if (!exists($record{"resource.$partid.$respid.submission"})) {
  &keywords_highlight($subval).'</td></tr>'      $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
  if ($ENV{'form.lastSub'} eq 'lastonly' ||    $display_part.' <font color="#999999">( ID '.$respid.
     ($ENV{'form.lastSub'} eq 'hdgrade' &&    ' )</font>&nbsp; &nbsp;'.
      $$handgrade{$part} =~ /:yes$/));   '<font color="red">Nothing submitted - no attempts</font><br /><br />';
       next;
    }
    foreach (@$string) {
       my ($partid,$respid) = /^resource\.([^\.]*)\.([^\.]*)\.submission/;
       if ($part ne ($partid.'_'.$respid)) { next; }
       my ($ressub,$subval) = split(/:/,$_,2);
       # Similarity check
       my $similar='';
       if($ENV{'form.checkPlag'}){
    my ($oname,$odom,$ocrsid,$oessay,$osim)=
       &most_similar($uname,$udom,$subval);
    if ($osim) {
       $osim=int($osim*100.0);
       $similar="<hr /><h3><font color=\"#FF0000\">Essay".
    " is $osim% similar to an essay by ".
    &Apache::loncommon::plainname($oname,$odom).
    '</font></h3><blockquote><i>'.
    &keywords_highlight($oessay).
    '</i></blockquote><hr />';
  }   }
     }      }
       my $order=&get_order($partid,$respid,$symb,$uname,$udom);
       if ($ENV{'form.lastSub'} eq 'lastonly' || 
    ($ENV{'form.lastSub'} eq 'hdgrade' && 
    $$handgrade{$part} eq 'yes')) {
    my $display_part=&get_display_part($partid,$url,$symb);
    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part:</b> '.
       $display_part.' <font color="#999999">( ID '.$respid.
       ' )</font>&nbsp; &nbsp;';
    if ($record{"resource.$partid.$respid.uploadedurl"}) {
       &Apache::lonnet::allowuploaded('/adm/grades',
         $record{"resource.$partid.$respid.uploadedurl"});
       $lastsubonly.='<a href="'.$record{"resource.$partid.$respid.uploadedurl"}.'" target="lonGRDs"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> <font color="red" size="1">Like all files provided by users, this file may contain virusses</font><br />';
    }
    $lastsubonly.='<b>Submitted Answer: </b>'.
       &cleanRecord($subval,$responsetype,$symb,$partid,
    $respid,\%record,$order);
    if ($similar) {$lastsubonly.="<br /><br />$similar\n";}
       }
  }   }
     }      }
     $lastsubonly.='</td></tr><tr><td bgcolor="#ffffff">'."\n";  
     $request->print($lastsubonly);  
  }   }
     } else {   $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
    $request->print($lastsubonly);
       } elsif ($ENV{'form.lastSub'} eq 'datesub') {
    my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
    $request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
       } elsif ($ENV{'form.lastSub'} =~ /^(last|all)$/) {
  $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,   $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
  $ENV{'request.course.id'},   $ENV{'request.course.id'},
  $last,'.submission',   $last,'.submission',
  'Apache::grades::keywords_highlight'));   'Apache::grades::keywords_highlight'));
     }      }
   
       $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
    .$udom.'" />'."\n");
           
     # return if view submission with no grading option      # return if view submission with no grading option
     if ($ENV{'form.showgrading'} eq '') {      if ($ENV{'form.showgrading'} eq '' || (!&canmodify($usec))) {
  $request->print('</td></tr></table></td></tr></table></form>');   my $toGrade.='<input type="button" value="Grade Student" '.
       'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
       .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
    $toGrade.='</td></tr></table></td></tr></table>'."\n";
    if (($ENV{'form.command'} eq 'submission') || 
       ($ENV{'form.command'} eq 'processGroup' && $counter == $total)) {
       $toGrade.='</form>'.&show_grading_menu_form($symb,$url) 
    }
    $request->print($toGrade);
  return;   return;
       } else {
    $request->print('</td></tr></table></td></tr></table>'."\n");
     }      }
   
     # Grading options      # essay grading message center
     $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".      if ($ENV{'form.handgrade'} eq 'yes') {
  '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".   my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
  '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";   my $msgfor = $givenn.' '.$lastname;
     $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.   if (scalar(@col_fullnames) > 0) {
  ',\''.$ENV{'form.fullname'}.'\')"; TARGET=_self>'.      my $lastone = pop @col_fullnames;
  'Compose Message to student'.($col_flag > 1 ? 's' : '').'</a>'.      $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
  '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n"    }
  if ($ENV{'form.handgrade'} eq 'yes');   $msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
     $request->print($result);   $result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
       '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
    $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
       ',\''.$msgfor.'\')"; TARGET=_self>'.
       'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
       '<img src="'.$request->dir_config('lonIconsURL').
       '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
       '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
       if ($ENV{'form.handgrade'} eq 'yes');
    $request->print($result);
       }
   
     my %seen = ();      my %seen = ();
     my @partlist;      my @partlist;
       my @gradePartRespid;
     for (sort keys(%$handgrade)) {      for (sort keys(%$handgrade)) {
  my ($partid,$respid) = split(/_/);   my ($partid,$respid) = split(/_/);
  next if ($seen{$partid} > 0);   next if ($seen{$partid} > 0);
  $seen{$partid}++;   $seen{$partid}++;
  next if ($$handgrade{$_} =~ /:no$/);   next if ($$handgrade{$_} =~ /:no$/ && $ENV{'form.lastSub'} =~ /^(hdgrade)$/);
  push @partlist,$partid;   push @partlist,$partid;
  my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);   push @gradePartRespid,$partid.'.'.$respid;
  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;   $request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
  $result.='<table border="0"><tr>';  # display radio buttons in a nice table 10 across  
  while ($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";  
     $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');  
     $ctr++;  
  }  
  $result.='</tr></table>';  
   
  $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';  
  $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.  
     ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.  
     'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.  
     ',this.form.GD_BOX'.$counter.'_'.$partid.  
     ',this.form.GD_SEL'.$counter.'_'.$partid.  
     ',this.form.stores'.$counter.'_'.$partid.  
     ','.$wgt.')" /></td>'."\n";  
  $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';  
   
  $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.  
     'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.  
     ',this.form.GD_BOX'.$counter.'_'.$partid.  
     ',this.form.GD_SEL'.$counter.'_'.$partid.  
     ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".  
     '<option selected="on"> </option>'.  
     '<option>excused</option></select>'."&nbsp&nbsp\n";  
  $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';  
  $result.='</td></tr></table>';  
  $request->print($result);  
     }      }
     $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");      $result='<input type="hidden" name="partlist'.$counter.
     $request->print('</td></tr></table></td></tr></table>'."\n");   '" value="'.(join ":",@partlist).'" />'."\n";
       $result.='<input type="hidden" name="gradePartRespid'.
    '" value="'.(join ":",@gradePartRespid).'" />'."\n" if ($counter == 0);
       my $ctr = 0;
       while ($ctr < scalar(@partlist)) {
    $result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
       $partlist[$ctr].'" />'."\n";
    $ctr++;
       }
       $request->print($result.'</td></tr></table></td></tr></table>'."\n");
   
     # print end of form      # print end of form
     if ($counter == $total) {      if ($counter == $total) {
  my $endform.='<table border="0"><tr><td><input type="submit" name="gradeOpt" value="Save & Next" />';   my $endform='<table border="0"><tr><td>'."\n";
    $endform.='<input type="button" value="Save & Next" '.
       'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
       $total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
  my $ntstu ='<select name="NTSTU">'.   my $ntstu ='<select name="NTSTU">'.
     '<option>1</option><option>2</option>'.      '<option>1</option><option>2</option>'.
     '<option>3</option><option>5</option>'.      '<option>3</option><option>5</option>'.
     '<option>7</option><option>10</option></select>'."\n";      '<option>7</option><option>10</option></select>'."\n";
  my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');   my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
  $ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;   $ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
  $endform.=$ntstu.'student(s) &nbsp;&nbsp;'.   $endform.=$ntstu.'student(s) &nbsp;&nbsp;';
     '<input type="submit" name="gradeOpt" value="Next" />&nbsp'.   $endform.='<input type="button" value="Previous" '.
     '<input type="submit" name="gradeOpt" value="Previous" />&nbsp'.      'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;'."\n".
     '(Next and Previous do not save the scores.)'.      '<input type="button" value="Next" '.
     '</td><tr></table></form>';      'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
    $endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
    $endform.='</td><tr></table></form>';
    $endform.=&show_grading_menu_form($symb,$url);
  $request->print($endform);   $request->print($endform);
     }      }
     return '';      return '';
Line 1049  KEYWORDS Line 1806  KEYWORDS
   
 #--- Retrieve the last submission for all the parts  #--- Retrieve the last submission for all the parts
 sub get_last_submission {  sub get_last_submission {
     my ($symb,$username,$domain,$course)=@_;      my ($returnhash)=@_;
     if ($symb) {      my (@string,$timestamp);
  my (@string,$timestamp);      if ($$returnhash{'version'}) {
  my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username);   my %lasthash=();
  if ($returnhash{'version'}) {   my ($version);
     my %lasthash=();   for ($version=1;$version<=$$returnhash{'version'};$version++) {
     my ($version);      foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
     for ($version=1;$version<=$returnhash{'version'};$version++) {   $lasthash{$_}=$$returnhash{$version.':'.$_};
  foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) {     $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
     $lasthash{$_}=$returnhash{$version.':'.$_};      }
  }   }
     }   foreach ((keys %lasthash)) {
     foreach ((keys %lasthash)) {      if ($_ =~ /\.submission$/) {
  if ($_ =~ /\.submission$/) {   my ($partid,$foo) = split(/submission$/,$_);
     my ($partid,$foo) = split(/submission$/,$_);   my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
     my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?      '<font color="red">Draft Copy</font> ' : '';
  '<font color="red">Draft Copy</font> ' : '';   push @string, (join(':',$_,$draft.$lasthash{$_}));
     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[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
       return \@string,\$timestamp;
 }  }
   
 #--- High light keywords, with style choosen by user.  #--- High light keywords, with style choosen by user.
Line 1084  sub keywords_highlight { Line 1838  sub keywords_highlight {
     (my $styleoff = $styleon) =~ s/\</\<\//;      (my $styleoff = $styleon) =~ s/\</\<\//;
     my @keylist   = split(/[,\s+]/,$ENV{'form.keywords'});      my @keylist   = split(/[,\s+]/,$ENV{'form.keywords'});
     foreach (@keylist) {      foreach (@keylist) {
  $string =~ s/\b$_(\b|\.)/\<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff\<\/font\>/gi;   $string =~ s/\b\Q$_\E(\b|\.)/<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
     }      }
     return $string;      return $string;
 }  }
Line 1097  sub processHandGrade { Line 1851  sub processHandGrade {
     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'};
   
     if ($button eq 'Save & Next') {      if ($button eq 'Save & Next') {
  my $ctr = 0;   my $ctr = 0;
  while ($ctr < $ngrade) {   while ($ctr < $ngrade) {
     my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});      my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
     my ($errorflg) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);      my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
     return '' if ($errorflg eq 'error');      if ($errorflag eq 'no_score') {
    $ctr++;
    next;
       }
       if ($errorflag eq 'not_allowed') {
    $request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
    $ctr++;
    next;
       }
     my $includemsg = $ENV{'form.includemsg'.$ctr};      my $includemsg = $ENV{'form.includemsg'.$ctr};
     my ($subject,$message,$msgstatus) = ('','','');      my ($subject,$message,$msgstatus) = ('','','');
     if ($includemsg =~ /savemsg|new$ctr/) {      if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
  $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);   $subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
  my (@msgnum) = split(/,/,$includemsg);   my (@msgnum) = split(/,/,$includemsg);
  foreach (@msgnum) {   foreach (@msgnum) {
     $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');      $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
  }   }
  $message =~ s/\s+/ /g;   $message =&Apache::lonfeedback::clear_out_html($message);
    $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
    $message.=" for <a href=\"".
       &Apache::lonnet::clutter($url).
       "?symb=$symb\">$ENV{'form.probTitle'}</a>";
  $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,   $msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
        $ENV{'form.msgsub'},$message);         $ENV{'form.msgsub'},$message);
     }      }
     if ($ENV{'form.collaborator'.$ctr}) {      if ($ENV{'form.collaborator'.$ctr}) {
  my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});   my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr");
  foreach (@collaborators) {   foreach my $collabstr (@collabstrs) {
     &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,      my ($part,@collaborators) = split(/:/,$collabstr);
    $ENV{'form.unamedom'.$ctr});      foreach (@collaborators) {
     if ($message ne '') {   my ($errorflag,$pts,$wgt) = 
  $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,      &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,
        $ENV{'form.msgsub'},     $ENV{'form.unamedom'.$ctr},$part);
        $message);   if ($errorflag eq 'not_allowed') {
       $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
       next;
    } else {
       if ($message ne '') {
    $msgstatus = &Apache::lonmsg::user_normal_msg($_,$udom,$ENV{'form.msgsub'},$message);
       }
       
    }
     }      }
  }   }
     }      }
Line 1133  sub processHandGrade { Line 1905  sub processHandGrade {
  }   }
     }      }
   
     # Keywords sorted in alphabatical order      if ($ENV{'form.handgrade'} eq 'yes') {
     my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};   # Keywords sorted in alphabatical order
     my %keyhash = ();   my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
     $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;   my %keyhash = ();
     $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;   $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
     my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));   $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
     $ENV{'form.keywords'} = join(' ',@keywords);   my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
     $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};   $ENV{'form.keywords'} = join(' ',@keywords);
     $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};   $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
     $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};   $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
     $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};   $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
     $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};   $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
    $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
     # message center - Order of message gets changed. Blank line is eliminated.  
     # New messages are saved in ENV for the next student.   # message center - Order of message gets changed. Blank line is eliminated.
     # All messages are saved in nohist_handgrade.db   # New messages are saved in ENV for the next student.
     my ($ctr,$idx) = (1,1);   # All messages are saved in nohist_handgrade.db
     while ($ctr <= $ENV{'form.savemsgN'}) {   my ($ctr,$idx) = (1,1);
  if ($ENV{'form.savemsg'.$ctr} ne '') {   while ($ctr <= $ENV{'form.savemsgN'}) {
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};      if ($ENV{'form.savemsg'.$ctr} ne '') {
     $idx++;   $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
    $idx++;
       }
       $ctr++;
  }   }
  $ctr++;   $ctr = 0;
     }   while ($ctr < $ngrade) {
     $ctr = 0;      if ($ENV{'form.newmsg'.$ctr} ne '') {
     while ($ctr < $ngrade) {   $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
  if ($ENV{'form.newmsg'.$ctr} ne '') {   $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};   $idx++;
     $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};      }
     $idx++;      $ctr++;
  }   }
  $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'});
     }      }
     $ENV{'form.savemsgN'} = --$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      # Called by Save & Refresh from Highlight Attribute Window
       my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
     if ($ENV{'form.refresh'} eq 'on') {      if ($ENV{'form.refresh'} eq 'on') {
  my $ctr = 0;   my ($ctr,$total) = (0,0);
  $ENV{'form.NTSTU'}=$ngrade;  
  while ($ctr < $ngrade) {   while ($ctr < $ngrade) {
     ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$ENV{'form.unamedom'.$ctr});      $total++ if  $ENV{'form.unamedom'.$ctr} ne '';
     &submission($request,$ctr,$ngrade-1);      $ctr++;
    }
    $ENV{'form.NTSTU'}=$ngrade;
    $ctr = 0;
    while ($ctr < $total) {
       my $processUser = $ENV{'form.unamedom'.$ctr};
       ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
       $ENV{'form.fullname'} = $$fullname{$processUser};
       &submission($request,$ctr,$total-1);
     $ctr++;      $ctr++;
  }   }
  return '';   return '';
     }      }
   
   # Go directly to grade student - from submission or link from chart page
       if ($button eq 'Grade Student') {
    (undef,undef,$ENV{'form.handgrade'},undef,undef) = &showResourceInfo($url);
    my $processUser = $ENV{'form.unamedom'.$ENV{'form.studentNo'}};
    ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
    $ENV{'form.fullname'} = $$fullname{$processUser};
    &submission($request,0,0);
    return '';
       }
   
     # Get the next/previous one or group of students      # Get the next/previous one or group of students
     my $firststu = $ENV{'form.unamedom0'};      my $firststu = $ENV{'form.unamedom0'};
     my $laststu = $ENV{'form.unamedom'.($ngrade-1)};      my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
     $ctr = 2;      my $ctr = 2;
     while ($laststu eq '') {      while ($laststu eq '') {
  $laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};   $laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
  $ctr++;   $ctr++;
  $laststu = $firststu if ($ctr > $ngrade);   $laststu = $firststu if ($ctr > $ngrade);
     }      }
   
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');  
     my (@parsedlist,@nextlist);      my (@parsedlist,@nextlist);
     my ($nextflg) = 0;      my ($nextflg) = 0;
     foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {      foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  if ($nextflg == 1 && $button =~ /Next$/) {   if ($nextflg == 1 && $button =~ /Next$/) {
     push @parsedlist,$_;      push @parsedlist,$_;
  }   }
Line 1209  sub processHandGrade { Line 1999  sub processHandGrade {
  }   }
     }      }
     $ctr = 0;      $ctr = 0;
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});  
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');      @parsedlist = reverse @parsedlist if ($button eq 'Previous');
       my ($partlist) = &response_type($url);
     foreach my $student (@parsedlist) {      foreach my $student (@parsedlist) {
    my $submitonly=$ENV{'form.submitonly'};
  my ($uname,$udom) = split(/:/,$student);   my ($uname,$udom) = split(/:/,$student);
  if ($ENV{'form.submitonly'} eq 'yes') {   if ($submitonly =~ /^(yes|graded|incorrect)$/) {
     my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;  #    my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
     my $statusflg = '';      my %status=&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
       my $submitted = 0;
       my $graded = 1;
     foreach (keys(%status)) {      foreach (keys(%status)) {
  $statusflg = 1 if ($status{$_} ne 'nothing');   $submitted = 1 if ($status{$_} ne 'nothing');
  my ($foo,$partid,$foo1) = split(/\./);   $graded = 0 if ($status{$_} =~ /^correct/);
  $statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');   my ($foo,$partid,$foo1) = split(/\./,$_);
    if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
       $submitted = 0;
    }
     }      }
     next if ($statusflg eq '');      next if (!$submitted && ($submitonly eq 'yes' ||
        $submitonly eq 'incorrect' ||
        $submitonly eq 'graded'));
       next if (!$graded && ($submitonly eq 'graded' ||
     $submitonly eq 'incorrect'));
  }   }
  push @nextlist,$student if ($ctr < $ntstu);   push @nextlist,$student if ($ctr < $ntstu);
    last if ($ctr == $ntstu);
  $ctr++;   $ctr++;
     }      }
   
Line 1235  sub processHandGrade { Line 2036  sub processHandGrade {
  $ENV{'form.student'}  = $uname;   $ENV{'form.student'}  = $uname;
  $ENV{'form.userdom'}  = $udom;   $ENV{'form.userdom'}  = $udom;
  $ENV{'form.fullname'} = $$fullname{$_};   $ENV{'form.fullname'} = $$fullname{$_};
 # $ENV{'form.'.$_.':submitted_by'} = $submitter;  
 # print "submitter=$ENV{'form.'.$_.':submitted_by'}= $submitter:<br>";  
  &submission($request,$ctr,$total);   &submission($request,$ctr,$total);
  $ctr++;   $ctr++;
     }      }
Line 1252  sub processHandGrade { Line 2051  sub processHandGrade {
   
 #---- Save the score and award for each student, if changed  #---- Save the score and award for each student, if changed
 sub saveHandGrade {  sub saveHandGrade {
     my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;      my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_;
     my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);      my $usec = &Apache::lonnet::getsection($domain,$stuname,
     my %newrecord;     $ENV{'request.course.id'});
       if (!&canmodify($usec)) { return('not_allowed'); }
       my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
       my %newrecord  = ();
       my ($pts,$wgt) = ('','');
     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {      foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
  if ($ENV{'form.GD_SEL'.$newflg.'_'.$_} eq 'excused') {   #collaborator may vary for different parts
     $newrecord{'resource.'.$_.'.solved'} = 'excused'    if ($submitter && $_ ne $part) { next; }
  if ($record{'resource.'.$_.'.solved'} ne 'excused');   my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
  } else {   if ($dropMenu eq 'excused') {
     my $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ?       if ($record{'resource.'.$_.'.solved'} ne 'excused') {
        $ENV{'form.GD_BOX'.$newflg.'_'.$_} :    $newrecord{'resource.'.$_.'.solved'} = 'excused';
        $ENV{'form.RADVAL'.$newflg.'_'.$_});   if (exists($record{'resource.'.$_.'.awarded'})) {
     if ($pts eq '') {      $newrecord{'resource.'.$_.'.awarded'} = '';
  &userError($request,'No point was assigned for part '.$_.   }
    ' and for username '.$stuname.'.');      $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
  return 'error';      }
    } elsif ($dropMenu eq 'reset status'
    && exists($record{'resource.'.$_.'.solved'})) { #don't bother if no old records -> no attempts
       foreach my $key (keys (%record)) {
    if ($key=~/^resource\.\Q$_\E\./) { $newrecord{$key} = ''; }
     }      }
     my $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 :       $newrecord{'resource.'.$_.'.regrader'}=
    "$ENV{'user.name'}:$ENV{'user.domain'}";
    } elsif ($dropMenu eq '') {
       $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
       $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
       $ENV{'form.RADVAL'.$newflg.'_'.$_});
       if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '') {
    next;
       }
       $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
  $ENV{'form.WGT'.$newflg.'_'.$_};   $ENV{'form.WGT'.$newflg.'_'.$_};
     my $partial= $pts/$wgt;      my $partial= $pts/$wgt;
     $newrecord{'resource.'.$_.'.awarded'}  = $partial       if ($partial eq $record{'resource.'.$_.'.awarded'}) {
  if ($record{'resource.'.$_.'.awarded'} ne $partial);   #do not update score for part if not changed.
    next;
       }
       if ($record{'resource.'.$_.'.awarded'} ne $partial) {
    $newrecord{'resource.'.$_.'.awarded'}  = $partial;
       }
     my $reckey = 'resource.'.$_.'.solved';      my $reckey = 'resource.'.$_.'.solved';
     if ($partial == 0) {      if ($partial == 0) {
  $newrecord{$reckey} = 'incorrect_by_override'    if ($record{$reckey} ne 'incorrect_by_override') {
     if ($record{$reckey} ne 'incorrect_by_override');      $newrecord{$reckey} = 'incorrect_by_override';
    }
     } else {      } else {
  $newrecord{$reckey} = 'correct_by_override'    if ($record{$reckey} ne 'correct_by_override') {
     if ($record{$reckey} ne 'correct_by_override');      $newrecord{$reckey} = 'correct_by_override';
    }
       }    
       if ($submitter && 
    ($record{'resource.'.$_.'.submitted_by'} ne $submitter)) {
    $newrecord{'resource.'.$_.'.submitted_by'} = $submitter;
     }      }
     $newrecord{'resource.'.$_.'.submitted_by'} = $submitter       $newrecord{'resource.'.$_.'.regrader'}=
  if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));   "$ENV{'user.name'}:$ENV{'user.domain'}";
  }   }
     }      }
   
     if (scalar(keys(%newrecord)) > 0) {      if (scalar(keys(%newrecord)) > 0) {
  $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
  &Apache::lonnet::cstore(\%newrecord,$symb,   &Apache::lonnet::cstore(\%newrecord,$symb,
  $ENV{'request.course.id'},$domain,$stuname);   $ENV{'request.course.id'},$domain,$stuname);
     }      }
     return '';      return '',$pts,$wgt;
 }  }
   
 #--------------------------------------------------------------------------------------  #--------------------------------------------------------------------------------------
Line 1304  sub viewgrades_js { Line 2129  sub viewgrades_js {
   
     $request->print(<<VIEWJAVASCRIPT);      $request->print(<<VIEWJAVASCRIPT);
 <script type="text/javascript" language="javascript">  <script type="text/javascript" language="javascript">
     function viewOneStudent(user,domain) {     function writePoint(partid,weight,point) {
  document.onestudent.student.value = user;   var radioButton = document.classgrade["RADVAL_"+partid];
  document.onestudent.userdom.value = domain;   var textbox = document.classgrade["TEXTVAL_"+partid];
  document.onestudent.submit();  
     }  
   
     function writePoint(partid,weight,point) {  
  var radioButton = eval("document.classgrade.RADVAL_"+partid);  
  var textbox = eval("document.classgrade.TEXTVAL_"+partid);  
  if (point == "textval") {   if (point == "textval") {
     var point = eval("document.classgrade.TEXTVAL_"+partid+".value");      point = document.classgrade["TEXTVAL_"+partid].value;
     if (isNaN(point) || point < 0) {      if (isNaN(point) || parseFloat(point) < 0) {
  alert("A number equal or greater than 0 is expected. Entered value = "+point);   alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
  var resetbox = false;   var resetbox = false;
  for (var i=0; i<radioButton.length; i++) {   for (var i=0; i<radioButton.length; i++) {
     if (radioButton[i].checked) {      if (radioButton[i].checked) {
Line 1329  sub viewgrades_js { Line 2148  sub viewgrades_js {
  }   }
  return;   return;
     }      }
     if (point > weight) {      if (parseFloat(point) > parseFloat(weight)) {
  var resp = confirm("You entered a value ("+point+   var resp = confirm("You entered a value ("+parseFloat(point)+
    ") greater than the weight for the part. Accept?");     ") greater than the weight for the part. Accept?");
  if (resp == false) {   if (resp == false) {
     textbox.value = "";      textbox.value = "";
Line 1339  sub viewgrades_js { Line 2158  sub viewgrades_js {
     }      }
     for (var i=0; i<radioButton.length; i++) {      for (var i=0; i<radioButton.length; i++) {
  radioButton[i].checked=false;   radioButton[i].checked=false;
  if (point == i) {   if (parseFloat(point) == i) {
     radioButton[i].checked=true;      radioButton[i].checked=true;
  }   }
     }      }
   
  } else {   } else {
     textbox.value = point;      textbox.value = parseFloat(point);
  }   }
  for (i=0;i<document.classgrade.total.value;i++) {   for (i=0;i<document.classgrade.total.value;i++) {
     var user = eval("document.classgrade.ctr"+i+".value");      var user = document.classgrade["ctr"+i].value;
     var scorename = eval("document.classgrade.GD_"+user+      var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
  "_"+partid+"_aw");      var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
     var saveval   = eval("document.classgrade.GD_"+user+      var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
  "_"+partid+"_sv_s.value");  
     var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_sv");  
     if (saveval != "correct") {      if (saveval != "correct") {
  scorename.value = point;   scorename.value = point;
  if (selname[0].selected != true) {   if (selname[0].selected != true) {
Line 1361  sub viewgrades_js { Line 2178  sub viewgrades_js {
  }   }
     }      }
  }   }
  var selval   = eval("document.classgrade.SELVAL_"+partid);   document.classgrade["SELVAL_"+partid][0].selected = true;
  selval[0].selected = true;  
     }      }
   
     function writeRadText(partid,weight) {      function writeRadText(partid,weight) {
  var selval   = eval("document.classgrade.SELVAL_"+partid);   var selval   = document.classgrade["SELVAL_"+partid];
  var radioButton = eval("document.classgrade.RADVAL_"+partid);   var radioButton = document.classgrade["RADVAL_"+partid];
  var textbox = eval("document.classgrade.TEXTVAL_"+partid);   var textbox = document.classgrade["TEXTVAL_"+partid];
  if (selval[1].selected) {   if (selval[1].selected || selval[2].selected) {
     for (var i=0; i<radioButton.length; i++) {      for (var i=0; i<radioButton.length; i++) {
  radioButton[i].checked=false;   radioButton[i].checked=false;
   
Line 1377  sub viewgrades_js { Line 2193  sub viewgrades_js {
     textbox.value = "";      textbox.value = "";
   
     for (i=0;i<document.classgrade.total.value;i++) {      for (i=0;i<document.classgrade.total.value;i++) {
  var user = eval("document.classgrade.ctr"+i+".value");   var user = document.classgrade["ctr"+i].value;
  var scorename = eval("document.classgrade.GD_"+user+   var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
      "_"+partid+"_aw");   var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
  var saveval   = eval("document.classgrade.GD_"+user+   var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
      "_"+partid+"_sv_s.value");  
  var selname   = eval("document.classgrade.GD_"+user+  
      "_"+partid+"_sv");  
  if (saveval != "correct") {   if (saveval != "correct") {
     scorename.value = "";      scorename.value = "";
     selname[1].selected = true;      if (selval[1].selected) {
    selname[1].selected = true;
       } else {
    selname[2].selected = true;
    if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
    {document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
       }
  }   }
     }      }
  } else {   } else {
     for (i=0;i<document.classgrade.total.value;i++) {      for (i=0;i<document.classgrade.total.value;i++) {
  var user = eval("document.classgrade.ctr"+i+".value");   var user = document.classgrade["ctr"+i].value;
  var scorename = eval("document.classgrade.GD_"+user+   var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
      "_"+partid+"_aw");   var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
  var saveval   = eval("document.classgrade.GD_"+user+   var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
      "_"+partid+"_sv_s.value");  
  var selname   = eval("document.classgrade.GD_"+user+  
      "_"+partid+"_sv");  
  if (saveval != "correct") {   if (saveval != "correct") {
     scorename.value = eval("document.classgrade.GD_"+user+      scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
      "_"+partid+"_aw_s.value");;  
     selname[0].selected = true;      selname[0].selected = true;
  }   }
     }      }
Line 1408  sub viewgrades_js { Line 2223  sub viewgrades_js {
     }      }
   
     function changeSelect(partid,user) {      function changeSelect(partid,user) {
  var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_sv");   var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
  var textbox = eval("document.classgrade.GD_"+user+'_'+partid+"_aw");   var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
  var point  = textbox.value;   var point  = textbox.value;
  var weight = eval("document.classgrade.weight_"+partid+".value");   var weight = document.classgrade["weight_"+partid].value;
   
  if (isNaN(point) || point < 0) {   if (isNaN(point) || parseFloat(point) < 0) {
     alert("A number equal or greater than 0 is expected. Entered value = "+point);      alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
     textbox.value = "";      textbox.value = "";
     return;      return;
  }   }
  if (point > weight) {   if (parseFloat(point) > parseFloat(weight)) {
     var resp = confirm("You entered a value ("+point+      var resp = confirm("You entered a value ("+parseFloat(point)+
        ") greater than the weight of the part. Accept?");         ") greater than the weight of the part. Accept?");
     if (resp == false) {      if (resp == false) {
  textbox.value = "";   textbox.value = "";
Line 1430  sub viewgrades_js { Line 2245  sub viewgrades_js {
     }      }
   
     function changeOneScore(partid,user) {      function changeOneScore(partid,user) {
  var selval = eval("document.classgrade.GD_"+user+'_'+partid+"_sv");   var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
  if (selval[1].selected) {   if (selval[1].selected || selval[2].selected) {
     var boxval = eval("document.classgrade.GD_"+user+'_'+partid+"_aw");      document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
     boxval.value = "";      if (selval[2].selected) {
    document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
       }
  }   }
     }      }
   
     function resetEntry(numpart) {      function resetEntry(numpart) {
  for (ctpart=0;ctpart<numpart;ctpart++) {   for (ctpart=0;ctpart<numpart;ctpart++) {
     var partid = eval("document.classgrade.partid_"+ctpart+".value");      var partid = document.classgrade["partid_"+ctpart].value;
     var radioButton = eval("document.classgrade.RADVAL_"+partid);      var radioButton = document.classgrade["RADVAL_"+partid];
     var textbox = eval("document.classgrade.TEXTVAL_"+partid);      var textbox = document.classgrade["TEXTVAL_"+partid];
     var selval  = eval("document.classgrade.SELVAL_"+partid);      var selval  = document.classgrade["SELVAL_"+partid];
     for (var i=0; i<radioButton.length; i++) {      for (var i=0; i<radioButton.length; i++) {
  radioButton[i].checked=false;   radioButton[i].checked=false;
   
Line 1451  sub viewgrades_js { Line 2268  sub viewgrades_js {
     selval[0].selected = true;      selval[0].selected = true;
   
     for (i=0;i<document.classgrade.total.value;i++) {      for (i=0;i<document.classgrade.total.value;i++) {
  var user = eval("document.classgrade.ctr"+i+".value");   var user = document.classgrade["ctr"+i].value;
  var resetscore = eval("document.classgrade.GD_"+user+   var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
       "_"+partid+"_aw");   resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
  resetscore.value = eval("document.classgrade.GD_"+user+   var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
  "_"+partid+"_aw_s.value");   resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
    var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
  var saveselval   = eval("document.classgrade.GD_"+user+   var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
      "_"+partid+"_sv_s.value");  
   
  var selname   = eval("document.classgrade.GD_"+user+"_"+partid+"_sv");  
  if (saveselval == "excused") {   if (saveselval == "excused") {
     if (selname[1].selected == false) { selname[1].selected = true;}      if (selname[1].selected == false) { selname[1].selected = true;}
  } else {   } else {
Line 1480  sub viewgrades { Line 2294  sub viewgrades {
     &viewgrades_js($request);      &viewgrades_js($request);
   
     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'});       my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
     my $result='<h2><font color="#339933">Manual Grading</font></h2>';      #need to make sure we have the correct data for later EXT calls, 
       #thus invalidate the cache
       &Apache::lonnet::devalidatecourseresdata(
                    $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
                    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
       &Apache::lonnet::clear_EXT_cache_status();
   
     $result.='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font>'."\n";      my $result='<h3><font color="#339933">'.&mt('Manual Grading').'</font></h3>';
       $result.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
   
     #view individual student submission form - called using Javascript viewOneStudent      #view individual student submission form - called using Javascript viewOneStudent
     $result.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".      $result.=&jscriptNform($url,$symb);
  '<input type="hidden" name="symb"    value="'.$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";  
   
     #beginning of class grading form      #beginning of class grading form
     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".      $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
  '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".   '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
  '<input type="hidden" name="url"     value="'.$url.'" />'."\n".   '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
  '<input type="hidden" name="command" value="editgrades" />'."\n".   '<input type="hidden" name="command" value="editgrades" />'."\n".
  '<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n";   '<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n".
    '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
     $result.='To assign the same score for all the students use the radio buttons or '.   '<input type="hidden" name="Status" value="'.$ENV{'form.Status'}.'" />'."\n".
  'text box below. To assign scores individually fill in the score boxes for '.   '<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
  '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. '.      my $sectionClass;
  'If needed, it has to be changed individually.</font>';      if ($ENV{'form.section'} eq 'all') {
    $sectionClass='Class </h3>';
       } elsif ($ENV{'form.section'} eq 'no') {
    $sectionClass='Students in no Section </h3>';
       } else {
    $sectionClass='Students in Section '.$ENV{'form.section'}.'</h3>';
       }
       $result.='<h3>Assign Common Grade To '.$sectionClass;
       $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
    '<table border=0><tr bgcolor="#ffffdd"><td>';
     #radio buttons/text box for assigning points for a section or class.      #radio buttons/text box for assigning points for a section or class.
     #handles different parts of a problem      #handles different parts of a problem
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});      my ($partlist,$handgrade) = &response_type($url,$symb);
     my %weight = ();      my %weight = ();
     my $ctsparts = 0;      my $ctsparts = 0;
     $result.='<table border="0">';      $result.='<table border="0">';
       my %seen = ();
     for (sort keys(%$handgrade)) {      for (sort keys(%$handgrade)) {
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});   my ($partid,$respid) = split (/_/,$_,2);
  my ($partid,$respid) = split (/_/);   next if $seen{$partid};
    $seen{$partid}++;
    my $handgrade=$$handgrade{$_};
  my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);   my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
  $weight{$partid} = $wgt eq '' ? '1' : $wgt;   $weight{$partid} = $wgt eq '' ? '1' : $wgt;
   
Line 1522  sub viewgrades { Line 2347  sub viewgrades {
     $ctsparts.'" value="'.$partid.'" />'."\n";      $ctsparts.'" value="'.$partid.'" />'."\n";
  $result.='<input type="hidden" name="weight_'.   $result.='<input type="hidden" name="weight_'.
     $partid.'" value="'.$weight{$partid}.'" />'."\n";      $partid.'" value="'.$weight{$partid}.'" />'."\n";
  $result.='<tr><td><b>Part  '.$partid.'&nbsp; &nbsp;Point:</b> </td><td>';   my $display_part=&get_display_part($partid,$url,$symb);
    $result.='<tr><td><b>Part:</b> '.$display_part.'&nbsp; &nbsp;<b>Point:</b> </td><td>';
  $result.='<table border="0"><tr>';     $result.='<table border="0"><tr>';  
  my $ctr = 0;   my $ctr = 0;
  while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across   while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
     $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.      $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.
  'onclick="javascript:writePoint('.$partid.','.$weight{$partid}.   'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
  ','.$ctr.')" />'.$ctr."</td>\n";   ','.$ctr.')" />'.$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><b> or </b><input type="text" name="TEXTVAL_'.   $result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
     $partid.'" size="4" '.      $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
     'onChange="javascript:writePoint('.$partid.','.$weight{$partid}.   $partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
     ',\'textval\')" /> /'.  
     $weight{$partid}.' (problem weight)</td>'."\n";      $weight{$partid}.' (problem weight)</td>'."\n";
  $result.= '</td><td><select name="SELVAL_'.$partid.'"'.   $result.= '</td><td><select name="SELVAL_'.$partid.'"'.
     'onChange="javascript:writeRadText('.$partid.','.$weight{$partid}.')" /> '.      'onChange="javascript:writeRadText(\''.$partid.'\','.
    $weight{$partid}.')"> '.
     '<option selected="on"> </option>'.      '<option selected="on"> </option>'.
     '<option>excused</option></select></td></tr>'."\n";      '<option>excused</option>'.
       '<option>reset status</option></select></td></tr>'."\n";
  $ctsparts++;   $ctsparts++;
     }      }
     $result.='</table><input type="hidden" name="totalparts" value="'.$ctsparts.'" />';      $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
    '<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
     $result.='<input type="button" value="Reset" '.      $result.='<input type="button" value="Reset" '.
  'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self> &nbsp; &nbsp;';   'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
 #    $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      #table listing all the students in a section/class
     #header of table      #header of table
       $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".      $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
  '<table border=0><tr bgcolor="#deffff">'.   '<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
  '<td><b>Fullname</b></td><td><b>Username</b></td><td><b>Domain</b></td>'."\n";   '<td>'.&nameUserString('header')."</td>\n";
     my (@parts) = sort(&getpartlist($url));      my (@parts) = sort(&getpartlist($url,$symb));
     foreach my $part (@parts) {      foreach my $part (@parts) {
  my $display=&Apache::lonnet::metadata($url,$part.'.display');   my $display=&Apache::lonnet::metadata($url,$part.'.display');
  next if ($display =~ /^Number of Attempts/);   $display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
  if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }   if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
    my ($partid) = &split_part_type($part);
    my $display_part=&get_display_part($partid,$url,$symb);
  if ($display =~ /^Partial Credit Factor/) {   if ($display =~ /^Partial Credit Factor/) {
     $_ = $display;      $result.='<td><b>Score Part:</b> '.$display_part.
     my ($partid) = /.*?(\d+).*/;   ' <br /><b>(weight = '.$weight{$partid}.')</b></td>'."\n";
     $result.='<td><b>Score Part '.$partid.'<br>(weight = '.  
  $weight{$partid}.')</b></td>'."\n";  
     next;      next;
    } else {
       $display =~s/\[Part: \Q$partid\E\]/Part:<\/b> $display_part/;
  }   }
  $display =~ s/Problem Status/Grade Status<br>/;   $display =~ s|Problem Status|Grade Status<br />|;
  $result.='<td><b>'.$display.'</b></td>'."\n";   $result.='<td><b>'.$display.'</td>'."\n";
     }      }
     $result.='</tr>';      $result.='</tr>';
   
     #get info for each student      #get info for each student
     #list all the students - with points and grade status      #list all the students - with points and grade status
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');      my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
     my $ctr = 0;      my $ctr = 0;
     foreach (sort {$$fullname{$a} cmp $$fullname{$b} } keys %$fullname) {      foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  my ($uname,$udom) = split(/:/);   my $uname = $_;
    $uname=~s/:/_/;
  $result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";   $result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
  $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},  
    $_,$$fullname{$_},\@parts,\%weight);  
  $ctr++;   $ctr++;
    $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
      $_,$$fullname{$_},\@parts,\%weight,$ctr);
     }      }
     $result.='</table></td></tr></table>';      $result.='</table></td></tr></table>';
     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";      $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
     $result.='<input type="submit" name="submit" value="Submit Changes" /></form>';      $result.='<input type="button" value="Save" '.
    'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
       if (scalar(%$fullname) eq 0) {
    my $colspan=3+scalar(@parts);
    $result='<font color="red">There are no students in section "'.$ENV{'form.section'}.
       '" with enrollment status "'.$ENV{'form.Status'}.'" to modify or grade.</font>';
       }
     $result.=&show_grading_menu_form($symb,$url);      $result.=&show_grading_menu_form($symb,$url);
     return $result;      return $result;
 }  }
   
 #--- call by previous routine to display each student  #--- call by previous routine to display each student
 sub viewstudentgrade {  sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;      my ($url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr) = @_;
     my ($uname,$udom) = split(/:/,$student);      my ($uname,$udom) = split(/:/,$student);
       $student=~s/:/_/;
     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);      my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
     my $result='<tr bgcolor="#ffffdd"><td>'.      my $result='<tr bgcolor="#ffffdd"><td align="right">'.$ctr.'&nbsp;</td><td>&nbsp;'.
  '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.   '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
  '\')"; TARGET=_self>'.$fullname.'</a>'.   '\')"; TARGET=_self>'.$fullname.'</a> '.
  '</td><td>'.$uname.'</td><td align="middle">'.$udom.'</td>'."\n";   '<font color="#999999">('.$uname.($ENV{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
     foreach my $part (@$parts) {      foreach my $apart (@$parts) {
  my ($temp,$part,$type)=split(/_/,$part);   my ($part,$type) = &split_part_type($apart);
  my $score=$record{"resource.$part.$type"};   my $score=$record{"resource.$part.$type"};
  next if $type eq 'tries';  
  if ($type eq 'awarded') {   if ($type eq 'awarded') {
     my $pts = $score eq '' ? '' : $score*$$weight{$part};      my $pts = $score eq '' ? '' : $score*$$weight{$part};
     $result.='<input type="hidden" name="'.      $result.='<input type="hidden" name="'.
  'GD_'.$uname.'_'.$part.'_aw_s" value="'.$pts.'" />'."\n";   'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
     $result.='<td align="middle"><input type="text" name="'.      $result.='<td align="middle"><input type="text" name="'.
  'GD_'.$uname.'_'.$part.'_aw" '.   'GD_'.$student.'_'.$part.'_awarded" '.
  'onChange="javascript:changeSelect('.$part.',\''.$uname.   'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
  '\')" value="'.$pts.'" size="4" /></td>'."\n";   '\')" value="'.$pts.'" size="4" /></td>'."\n";
  } elsif ($type eq 'solved') {   } elsif ($type eq 'solved') {
     my ($status,$foo)=split(/_/,$score,2);      my ($status,$foo)=split(/_/,$score,2);
     $status = 'nothing' if ($status eq '');      $status = 'nothing' if ($status eq '');
       $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
    $part.'_solved_s" value="'.$status.'" />'."\n";
       $result.='<td align="middle">&nbsp;<select name="'.
    'GD_'.$student.'_'.$part.'_solved" '.
    'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
       $result.= (($status eq 'excused') ? '<option> </option><option selected="on">excused</option>' 
    : '<option selected="on"> </option><option>excused</option>')."\n";
       $result.='<option>reset status</option>';
       $result.="</select>&nbsp;</td>\n";
    } else {
     $result.='<input type="hidden" name="'.      $result.='<input type="hidden" name="'.
  'GD_'.$uname.'_'.$part.'_sv_s" value="'.$status.'" />'."\n";   'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
     $result.='<td align="middle"><select name="'.      "\n";
  'GD_'.$uname.'_'.$part.'_sv" '.      $result.='<td align="middle"><input type="text" name="'.
  'onChange="javascript:changeOneScore('.$part.',\''.$uname.'\')" >'."\n";   'GD_'.$student.'_'.$part.'_'.$type.'" '.
     my $optsel = '<option selected="on"> </option><option>excused</option>'."\n";   'value="'.$score.'" size="4" /></td>'."\n";
     $optsel = '<option> </option><option selected="on">excused</option>'."\n"  
  if ($status eq 'excused');  
     $result.=$optsel;  
     $result.="</select></td>\n";  
  }   }
     }      }
     $result.='</tr>';      $result.='</tr>';
Line 1638  sub editgrades { Line 2479  sub editgrades {
   
     my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
     my $url =$ENV{'form.url'};      my $url =$ENV{'form.url'};
     my $title='<h2><font color="#339933">Current Grade Status</font></h2>';      my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
     $title.='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font><br />'."\n";      $title.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
     $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\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";      my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
     $result.= '<table border="0"><tr bgcolor="#deffff">'.      $result.= '<table border="0"><tr bgcolor="#deffff">'.
  '<td rowspan=2><b>Username</b></td><td rowspan=2><b>Fullname</b></td>'."\n";   '<td rowspan=2 valign="center">&nbsp;<b>No.</b>&nbsp;</td>'.
    '<td rowspan=2 valign="center">'.&nameUserString('header')."</td>\n";
   
     my %scoreptr = (      my %scoreptr = (
     'correct'  =>'correct_by_override',      'correct'  =>'correct_by_override',
Line 1653  sub editgrades { Line 2495  sub editgrades {
     'ungraded' =>'ungraded_attempted',      'ungraded' =>'ungraded_attempted',
     'nothing'  => '',      'nothing'  => '',
     );      );
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');      my ($classlist,undef,$fullname) = &getclasslist($ENV{'form.section'},'0');
   
     my (@partid);      my (@partid);
     my %weight = ();      my %weight = ();
       my %columns = ();
     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);      my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
   
       my (@parts) = sort(&getpartlist($url,$symb));
       my $header;
     while ($ctr < $ENV{'form.totalparts'}) {      while ($ctr < $ENV{'form.totalparts'}) {
  my $partid = $ENV{'form.partid_'.$ctr};   my $partid = $ENV{'form.partid_'.$ctr};
  push @partid,$partid;   push @partid,$partid;
  $weight{$partid} = $ENV{'form.weight_'.$partid};   $weight{$partid} = $ENV{'form.weight_'.$partid};
  $ctr++;   $ctr++;
  $result .= '<td colspan = 2 align="center"><b>Part '.$partid.  
     '</b> (Weight = '.$weight{$partid}.')</td>';  
     }      }
     $result .= '</tr><tr bgcolor="#deffff">';      foreach my $partid (@partid) {
     foreach (@partid) {   $header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
  $result .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.  
     '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';      '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
    $columns{$partid}=2;
    foreach my $stores (@parts) {
       my ($part,$type) = &split_part_type($stores);
       if ($part !~ m/^\Q$partid\E/) { next;}
       if ($type eq 'awarded' || $type eq 'solved') { next; }
       my $display=&Apache::lonnet::metadata($url,$stores.'.display');
       $display =~ s/\[Part: (\w)+\]//;
       $display =~ s/Number of Attempts/Tries/;
       $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
    '<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
       $columns{$partid}+=2;
    }
       }
       foreach my $partid (@partid) {
    my $display_part=&get_display_part($partid,$url,$symb);
    $result .= '<td colspan="'.$columns{$partid}.
       '" align="center"><b>Part:</b> '.$display_part.
       ' (Weight = '.$weight{$partid}.')</td>';
   
     }      }
       $result .= '</tr><tr bgcolor="#deffff">';
       $result .= $header;
     $result .= '</tr>'."\n";      $result .= '</tr>'."\n";
       my $noupdate;
       my ($updateCtr,$noupdateCtr) = (1,1);
     for ($i=0; $i<$ENV{'form.total'}; $i++) {      for ($i=0; $i<$ENV{'form.total'}; $i++) {
    my $line;
  my $user = $ENV{'form.ctr'.$i};   my $user = $ENV{'form.ctr'.$i};
    my $usercolon = $user;
    $usercolon =~s/_/:/;
    my ($uname,$udom)=split(/_/,$user);
  my %newrecord;   my %newrecord;
  my $updateflag = 0;   my $updateflag = 0;
  my @userdom = grep /^$user:/,keys %$classlist;   $line .= '<td>'.&nameUserString(undef,$$fullname{$usercolon},$uname,$udom).'</td>';
  my ($foo,$udom) = split(/:/,$userdom[0]);   my $usec=$classlist->{"$uname:$udom"}[5];
    if (!&canmodify($usec)) {
  $result .= '<tr bgcolor="#ffffde"><td>'.$user.'&nbsp;</td><td>'.      my $numcols=scalar(@partid)*4+2;
     $$fullname{$userdom[0]}.'&nbsp;</td>';      $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
       next;
    }
  foreach (@partid) {   foreach (@partid) {
     my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_aw_s'};      my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_awarded_s'};
     my $old_part  = $old_aw eq '' ? '' : $old_aw/$weight{$_};      my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
     my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_sv_s'}};      my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
       my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
     my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_aw'};  
     my $partial   = $awarded eq '' ? '' : $awarded/$weight{$_};      my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_awarded'};
       my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
       my $partial   = $awarded eq '' ? '' : $pcr;
     my $score;      my $score;
     if ($partial eq '') {      if ($partial eq '') {
  $score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_sv_s'}};   $score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
     } elsif ($partial > 0) {      } elsif ($partial > 0) {
  $score = 'correct_by_override';   $score = 'correct_by_override';
     } elsif ($partial == 0) {      } elsif ($partial == 0) {
  $score = 'incorrect_by_override';   $score = 'incorrect_by_override';
     }      }
     $score = 'excused' if (($ENV{'form.GD_'.$user.'_'.$_.'_sv'} eq 'excused') &&      my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
    ($score ne 'excused'));      $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
     $result .= '<td align="center">'.$old_aw.'&nbsp;</td>'.  
       if ($dropMenu eq 'reset status' &&
    $old_score ne '') { # ignore if no previous attempts => nothing to reset
    $newrecord{'resource.'.$_.'.tries'} = 0;
    $newrecord{'resource.'.$_.'.solved'} = '';
    $newrecord{'resource.'.$_.'.award'} = '';
    $newrecord{'resource.'.$_.'.awarded'} = 0;
    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
    $updateflag = 1;
       } elsif (!($old_part eq $partial && $old_score eq $score)) {
    $updateflag = 1;
    $newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
    $newrecord{'resource.'.$_.'.solved'}   = $score;
    $rec_update++;
       }
   
       $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
  '<td align="center">'.$awarded.   '<td align="center">'.$awarded.
  ($score eq 'excused' ? $score : '').'&nbsp;</td>';   ($score eq 'excused' ? $score : '').'&nbsp;</td>';
   
     next if ($old_part eq $partial && $old_score eq $score);  
   
     $updateflag = 1;      my $partid=$_;
     $newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';      foreach my $stores (@parts) {
     $newrecord{'resource.'.$_.'.solved'}   = $score;   my ($part,$type) = &split_part_type($stores);
     $rec_update++;   if ($part !~ m/^\Q$partid\E/) { next;}
    if ($type eq 'awarded' || $type eq 'solved') { next; }
    my $old_aw    = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
    my $awarded   = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type};
    if ($awarded ne '' && $awarded ne $old_aw) {
       $newrecord{'resource.'.$part.'.'.$type}= $awarded;
       $newrecord{'resource.'.$part.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
       $updateflag=1;
    }
    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
       '<td align="center">'.$awarded.'&nbsp;</td>';
       }
  }   }
  $result .= '</tr>'."\n";   $line.='</tr>'."\n";
  if ($updateflag) {   if ($updateflag) {
     $count++;      $count++;
     $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
     &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},      &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
     $udom,$user);      $udom,$uname);
       $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
       $updateCtr++;
    } else {
       $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
       $noupdateCtr++;
  }   }
     }      }
     $result .= '</table></td></tr></table>'."\n";      if ($noupdate) {
     my $msg = '<b>Number of records updated = '.$rec_update.  # my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
    my $numcols=scalar(@partid)*4+2;
    $result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr><tr bgcolor="#ffffde">'.$noupdate;
       }
       $result .= '</table></td></tr></table>'."\n".
    &show_grading_menu_form ($symb,$url);
       my $msg = '<br /><b>Number of records updated = '.$rec_update.
  ' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.   ' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
  '<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';   '<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
     return $title.$msg.$result;      return $title.$msg.$result;
 }  }
   
   sub split_part_type {
       my ($partstr) = @_;
       my ($temp,@allparts)=split(/_/,$partstr);
       my $type=pop(@allparts);
       my $part=join('.',@allparts);
       return ($part,$type);
   }
   
 #------------- end of section for handling grading by section/class ---------  #------------- end of section for handling grading by section/class ---------
 #  #
 #----------------------------------------------------------------------------  #----------------------------------------------------------------------------
Line 1810  ENDPICK Line 2727  ENDPICK
   
 sub csvuploadmap_header {  sub csvuploadmap_header {
     my ($request,$symb,$url,$datatoken,$distotal)= @_;      my ($request,$symb,$url,$datatoken,$distotal)= @_;
     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();
     }      }
   
       my ($result) = &showResourceInfo($url,$ENV{'form.probTitle'});
   
     $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><font color="#339933">Uploading Class Grades</font></h3>
   $result
 <hr>  <hr>
 <h3>Identify fields</h3>  <h3>Identify fields</h3>
 Total number of records found in file: $distotal <hr />  Total number of records found in file: $distotal <hr />
Line 1835  to this page if the data selected is ins Line 2755  to this page if the data selected is ins
                                        value="$ENV{'form.upfile_associate'}" />                                         value="$ENV{'form.upfile_associate'}" />
 <input type="hidden" name="symb"       value="$symb" />  <input type="hidden" name="symb"       value="$symb" />
 <input type="hidden" name="url"        value="$url" />  <input type="hidden" name="url"        value="$url" />
   <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
   <input type="hidden" name="probTitle"  value="$ENV{'form.probTitle'}" />
 <input type="hidden" name="command"    value="csvuploadassign" />  <input type="hidden" name="command"    value="csvuploadassign" />
 <hr />  <hr />
 <script type="text/javascript" language="Javascript">  <script type="text/javascript" language="Javascript">
 $javascript  $javascript
 </script>  </script>
 ENDPICK  ENDPICK
 return '';      return '';
   
 }  }
   
 sub csvupload_fields {  sub csvupload_fields {
     my ($url) = @_;      my ($url,$symb) = @_;
     my (@parts) = &getpartlist($url);      my (@parts) = &getpartlist($url,$symb);
     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;
Line 1871  sub csvuploadmap_footer { Line 2793  sub csvuploadmap_footer {
 ENDPICK  ENDPICK
 }  }
   
   sub upcsvScores_form {
       my ($request) = shift;
       my ($symb,$url)=&get_symb_and_url($request);
       if (!$symb) {return '';}
       my $result =<<CSVFORMJS;
   <script type="text/javascript" language="javascript">
       function checkUpload(formname) {
    if (formname.upfile.value == "") {
       alert("Please use the browse button to select a file from your local directory.");
       return false;
    }
    formname.submit();
       }
       </script>
   CSVFORMJS
       $ENV{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
       my ($table) = &showResourceInfo($url,$ENV{'form.probTitle'});
       $result.=$table;
       $result.='<br /><table width=100% border=0><tr><td bgcolor="#777777">'."\n";
       $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>Specify a file containing the class scores for current resource'.
    '.</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       my $upfile_select=&Apache::loncommon::upfile_select_html();
       $result.=<<ENDUPFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
   <input type="hidden" name="symb" value="$symb" />
   <input type="hidden" name="url" value="$url" />
   <input type="hidden" name="command" value="csvuploadmap" />
   <input type="hidden" name="probTitle" value="$ENV{'form.probTitle'}" />
   <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
   $upfile_select
   <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scores" />
   
   </form>
   ENDUPFORM
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table><br /><br />'."\n";
       $result.=&show_grading_menu_form($symb,$url);
       return $result;
   }
   
   
 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);
Line 1886  sub csvuploadmap { Line 2852  sub csvuploadmap {
     &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);      &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
     my ($i,$keyfields);      my ($i,$keyfields);
     if (@records) {      if (@records) {
  my @fields=&csvupload_fields($url);   my @fields=&csvupload_fields($url,$symb);
   
  if ($ENV{'form.upfile_associate'} eq 'reverse') {   if ($ENV{'form.upfile_associate'} eq 'reverse') {
     &Apache::loncommon::csv_print_samples($request,\@records);      &Apache::loncommon::csv_print_samples($request,\@records);
     $i=&Apache::loncommon::csv_print_select_table($request,\@records,      $i=&Apache::loncommon::csv_print_select_table($request,\@records,
Line 1902  sub csvuploadmap { Line 2869  sub csvuploadmap {
  }   }
     }      }
     &csvuploadmap_footer($request,$i,$keyfields);      &csvuploadmap_footer($request,$i,$keyfields);
       $request->print(&show_grading_menu_form($symb,$url));
   
     return '';      return '';
 }  }
   
Line 1926  sub csvuploadassign { Line 2895  sub csvuploadassign {
     }      }
     $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.$courseid.domain"};      my ($classlist) = &getclasslist('all',0);
 #  my $cnum=$ENV{"course.$courseid.num"};      my @notallowed;
     my ($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'}};
    $username=~s/\s//g;
  my $domain=$entries{$fields{'domain'}};   my $domain=$entries{$fields{'domain'}};
    $domain=~s/\s//g;
  if (!exists($$classlist{"$username:$domain"})) {   if (!exists($$classlist{"$username:$domain"})) {
     push(@skipped,"$username:$domain");      push(@skipped,"$username:$domain");
     next;      next;
  }   }
    my $usec=$classlist->{"$username:$domain"}[5];
    if (!&canmodify($usec)) {
       push(@notallowed,"$username:$domain");
       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; }
Line 1957  sub csvuploadassign { Line 2932  sub csvuploadassign {
     }      }
     $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('<p<font size="+1"><b>Skipped Students</b></font></p>');
  foreach my $student (@skipped) { $request->print("<br />$student"); }   foreach my $student (@skipped) { $request->print("$student<br />\n"); }
     }      }
     $request->print(&view_edit_entire_class_form($symb,$url));      if (@notallowed) {
    $request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
    foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
       }
       $request->print("<br />\n");
     $request->print(&show_grading_menu_form($symb,$url));      $request->print(&show_grading_menu_form($symb,$url));
     return '';      return '';
 }  }
 #------------- end of section for handling csv file upload ---------  #------------- end of section for handling csv file upload ---------
 #  #
 #-------------------------------------------------------------------  #-------------------------------------------------------------------
   #
   #-------------- Next few routines handle grading by page/sequence
   #
   #--- Select a page/sequence and a student to grade
   sub pickStudentPage {
       my ($request) = shift;
   
       $request->print(<<LISTJAVASCRIPT);
   <script type="text/javascript" language="javascript">
   
   function checkPickOne(formname) {
       if (radioSelection(formname.student) == null) {
    alert("Please select the student you wish to grade.");
    return;
       }
       ptr = pullDownSelection(formname.selectpage);
       formname.page.value = formname["page"+ptr].value;
       formname.title.value = formname["title"+ptr].value;
       formname.submit();
   }
   
   </script>
   LISTJAVASCRIPT
       &commonJSfunctions($request);
       my ($symb,$url) = &get_symb_and_url($request);
       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 $result='<h3><font color="#339933">&nbsp;'.
    'Manual Grading by Page or Sequence</font></h3>';
   
       $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
       $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
       my ($titles,$symbx) = &getSymbMap($request);
       my ($curpage) =&Apache::lonnet::decode_symb($symb); 
   #    my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); 
   #    my $type=($curpage =~ /\.(page|sequence)/);
       my $ctr=0;
       foreach (@$titles) {
    my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
    $result.='<option value="'.$ctr.'" '.
       ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
       '>'.$showtitle.'</option>'."\n";
    $ctr++;
       }
       $result.= '</select>'."<br>\n";
       $ctr=0;
       foreach (@$titles) {
    my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
    $result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
    $result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
    $ctr++;
       }
       $result.='<input type="hidden" name="page" />'."\n".
    '<input type="hidden" name="title" />'."\n";
   
       $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked="on" /> no '."\n".
    '<input type="radio" name="vProb" value="yes" /> yes '."<br>\n";
   
       $result.='&nbsp;<b>Submission Details: </b>'.
    '<input type="radio" name="lastSub" value="none" /> none'."\n".
    '<input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions'."\n".
    '<input type="radio" name="lastSub" value="all" /> all details'."\n";
   
       $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
    '<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
    '<input type="hidden" name="command" value="displayPage" />'."\n".
    '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
    '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
    '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."<br />\n";
   
       $result.='&nbsp;<input type="button" '.
    'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
   
       $request->print($result);
   
       my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br>'.
    '<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">'.
    '<td align="right">&nbsp;<b>No.</b></td>'.
    '<td>'.&nameUserString('header').'</td>'.
    '<td align="right">&nbsp;<b>No.</b></td>'.
    '<td>'.&nameUserString('header').'</td></tr>';
    
       my (undef,undef,$fullname) = &getclasslist($getsec,'1');
       my $ptr = 1;
       foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
    my ($uname,$udom) = split(/:/,$student);
    $studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
    $studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
    $studentTable.='<td>&nbsp;<input type="radio" name="student" value="'.$student.'" /> '
       .&nameUserString(undef,$$fullname{$student},$uname,$udom)."\n";
    $studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
    $ptr++;
       }
       $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%2 == 0);
       $studentTable.='</td></tr></table></td></tr></table>'."\n";
       $studentTable.='<input type="button" '.
    'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
   
       $studentTable.=&show_grading_menu_form($symb,$url);
       $request->print($studentTable);
   
       return '';
   }
   
   sub getSymbMap {
       my ($request) = @_;
       my $navmap = Apache::lonnavmaps::navmap->new();
   
       my %symbx = ();
       my @titles = ();
       my $minder = 0;
   
       # Gather every sequence that has problems.
       my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); }, 1);
       for my $sequence ($navmap->getById('0.0'), @sequences) {
    if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
       my $title = $minder.'.'.$sequence->compTitle();
       push @titles, $title; # minder in case two titles are identical
       $symbx{$title} = $sequence->symb();
       $minder++;
    }
       }
   
       $navmap->untieHashes();
       return \@titles,\%symbx;
   }
   
 #-------------------------- Menu interface -------------------------  
 #  #
 #--- Show a Grading Menu button - Calls the next routine ---  #--- Displays a page/sequence w/wo problems, w/wo submissions
 sub show_grading_menu_form {  sub displayPage {
     my ($symb,$url)=@_;      my ($request) = shift;
     my $result.='<form action="/adm/grades" method="post">'."\n".  
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      my ($symb,$url) = &get_symb_and_url($request);
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".      my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
  '<input type="hidden" name="command" value="gradingmenu" />'."\n".      my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
  '<input type="submit" name="submit" value="Grading Menu" />'."\n".      my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
       my $pageTitle = $ENV{'form.page'};
       my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
       my ($uname,$udom) = split(/:/,$ENV{'form.student'});
       my $usec=$classlist->{$ENV{'form.student'}}[5];
   
       #need to make sure we have the correct data for later EXT calls, 
       #thus invalidate the cache
       &Apache::lonnet::devalidatecourseresdata(
                    $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
                    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
       &Apache::lonnet::clear_EXT_cache_status();
   
       if (!&canview($usec)) {
    $request->print('<font color="red">Unable to view requested student.('.$ENV{'form.student'}.')</font>');
    $request->print(&show_grading_menu_form($symb,$url));
    return;
       }
       my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
       $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$$fullname{$ENV{'form.student'}},$uname,$udom).
    '</h3>'."\n";
       &sub_page_js($request);
       $request->print($result);
   
       my $navmap = Apache::lonnavmaps::navmap->new();
       my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($ENV{'form.page'});
       my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
   
       my $iterator = $navmap->getIterator($map->map_start(),
    $map->map_finish());
   
       my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
    '<input type="hidden" name="command" value="gradeByPage" />'."\n".
    '<input type="hidden" name="fullname" value="'.$$fullname{$ENV{'form.student'}}.'" />'."\n".
    '<input type="hidden" name="student" value="'.$ENV{'form.student'}.'" />'."\n".
    '<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
    '<input type="hidden" name="title"   value="'.$ENV{'form.title'}.'" />'."\n".
    '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
    '<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
    '<input type="hidden" name="overRideScore" value="no" />'."\n".
    '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n";
   
       my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
    '/check.gif" height="16" border="0" />';
   
       $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
    ' symbol.'."\n".
    '<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">'.
    '<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
    '<td><b>&nbsp;'.($ENV{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
   
       my ($depth,$question,$prob) = (1,1,1);
       $iterator->next(); # skip the first BEGIN_MAP
       my $curRes = $iterator->next(); # for "current resource"
       while ($depth > 0) {
           if($curRes == $iterator->BEGIN_MAP) { $depth++; }
           if($curRes == $iterator->END_MAP) { $depth--; }
   
           if (ref($curRes) && $curRes->is_problem()) {
       my $parts = $curRes->parts();
               my $title = $curRes->compTitle();
       my $symbx = $curRes->symb();
       $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
    (scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
       $studentTable.='<td valign="top">';
       if ($ENV{'form.vProb'} eq 'yes' ) {
    $studentTable.=&show_problem($request,$symbx,$uname,$udom,1,
        undef,'both');
       } else {
    my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$ENV{'request.course.id'});
    $companswer =~ s|<form(.*?)>||g;
    $companswer =~ s|</form>||g;
   # while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
   #    $companswer =~ s/$1/ /ms;
   #    $request->print('match='.$1."<br>\n");
   # }
   # $companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
    $studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br>&nbsp;<b>Correct answer:</b><br>'.$companswer;
       }
   
       my %record = &Apache::lonnet::restore($symbx,$ENV{'request.course.id'},$udom,$uname);
   
       if ($ENV{'form.lastSub'} eq 'datesub') {
    if ($record{'version'} eq '') {
       $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
    } else {
       my %responseType = ();
       foreach my $partid (@{$parts}) {
    my @responseIds =$curRes->responseIds($partid);
    my @responseType =$curRes->responseType($partid);
    my %responseIds;
    for (my $i=0;$i<=$#responseIds;$i++) {
       $responseIds{$responseIds[$i]}=$responseType[$i];
    }
    $responseType{$partid} = \%responseIds;
       }
       $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom);
   
    }
       } elsif ($ENV{'form.lastSub'} eq 'all') {
    my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
    $studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
    $ENV{'request.course.id'},
    '','.submission');
    
       }
       if (&canmodify($usec)) {
    foreach my $partid (@{$parts}) {
       $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
       $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
       $question++;
    }
    $prob++;
       }
       $studentTable.='</td></tr>';
   
    }
           $curRes = $iterator->next();
       }
   
       $navmap->untieHashes();
   
       $studentTable.='</td></tr></table></td></tr></table>'."\n".
    '<input type="button" value="Save" '.
    'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
  '</form>'."\n";   '</form>'."\n";
       $studentTable.=&show_grading_menu_form($symb,$url);
       $request->print($studentTable);
   
       return '';
   }
   
   sub displaySubByDates {
       my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_;
       my $isCODE=0;
       if (exists($record->{'resource.CODE'})) { $isCODE=1; }
       my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
    '<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
    '<td><b>Date/Time</b></td>'.
    ($isCODE?'<td><b>CODE</b></td>':'').
    '<td><b>Submission</b></td>'.
    '<td><b>Status&nbsp;</b></td></tr>';
       my ($version);
       my %mark;
       my %orders;
       $mark{'correct_by_student'} = $checkIcon;
       if (!exists($$record{'1:timestamp'})) {
    return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />';
       }
       for ($version=1;$version<=$$record{'version'};$version++) {
    my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
    $studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
    if ($isCODE) {
       $studentTable.='<td>'.$record->{$version.':resource.CODE'}.'</td>';
    }
    my @versionKeys = split(/\:/,$$record{$version.':keys'});
    my @displaySub = ();
    foreach my $partid (@{$parts}) {
       my @matchKey = sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys);
   #    next if ($$record{"$version:resource.$partid.solved"} eq '');
       my $display_part=&get_display_part($partid,undef,$symb);
       foreach my $matchKey (@matchKey) {
    if (exists($$record{$version.':'.$matchKey}) &&
       $$record{$version.':'.$matchKey} ne '') {
       my ($responseId)=($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/);
       $displaySub[0].='<b>Part:</b>&nbsp;'.$display_part.'&nbsp;';
       $displaySub[0].='<font color="#999999">(ID&nbsp;'.
    $responseId.')</font>&nbsp;<b>';
       if ($$record{"$version:resource.$partid.tries"} eq '') {
    $displaySub[0].='Trial&nbsp;not&nbsp;counted';
       } else {
    $displaySub[0].='Trial&nbsp;'.
       $$record{"$version:resource.$partid.tries"};
       }
       my $responseType=$responseType->{$partid}->{$responseId};
       if (!exists($orders{$partid})) { $orders{$partid}={}; }
       if (!exists($orders{$partid}->{$responseId})) {
    $orders{$partid}->{$responseId}=
       &get_order($partid,$responseId,$symb,$uname,$udom);
       }
       $displaySub[0].='</b>&nbsp; '.
    &cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:").'<br />';
    }
       }
       if (exists $$record{"$version:resource.$partid.award"}) {
    $displaySub[1].='<b>Part:</b>&nbsp;'.$display_part.' &nbsp;'.
       lc($$record{"$version:resource.$partid.award"}).' '.
       $mark{$$record{"$version:resource.$partid.solved"}}.
       '<br />';
       }
       if (exists $$record{"$version:resource.$partid.regrader"}) {
    $displaySub[2].=$$record{"$version:resource.$partid.regrader"}.
       ' (<b>'.&mt('Part').':</b> '.$display_part.')';
       }
    }
    # needed because old essay regrader has not parts info
    if (exists $$record{"$version:resource.regrader"}) {
       $displaySub[2].=$$record{"$version:resource.regrader"};
    }
    $studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1];
    if ($displaySub[2]) {
       $studentTable.='Manually graded by '.$displaySub[2];
    }
    $studentTable.='&nbsp;</td></tr>';
       
       }
       $studentTable.='</table></td></tr></table>';
       return $studentTable;
   }
   
   sub updateGradeByPage {
       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 $pageTitle = $ENV{'form.page'};
       my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
       my ($uname,$udom) = split(/:/,$ENV{'form.student'});
       my $usec=$classlist->{$ENV{'form.student'}}[5];
       if (!&canmodify($usec)) {
    $request->print('<font color="red">Unable to modify requested student.('.$ENV{'form.student'}.'</font>');
    $request->print(&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'}));
    return;
       }
       my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
       $result.='<h3>&nbsp;Student: '.&nameUserString(undef,$ENV{'form.fullname'},$uname,$udom).
    '</h3>'."\n";
   
       $request->print($result);
   
       my $navmap = Apache::lonnavmaps::navmap->new();
       my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $ENV{'form.page'});
       my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
   
       my $iterator = $navmap->getIterator($map->map_start(),
    $map->map_finish());
   
       my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">'.
    '<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
    '<td><b>&nbsp;Title&nbsp;</b></td>'.
    '<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
    '<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
   
       $iterator->next(); # skip the first BEGIN_MAP
       my $curRes = $iterator->next(); # for "current resource"
       my ($depth,$question,$prob,$changeflag)= (1,1,1,0);
       while ($depth > 0) {
           if($curRes == $iterator->BEGIN_MAP) { $depth++; }
           if($curRes == $iterator->END_MAP) { $depth--; }
   
           if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
       my $parts = $curRes->parts();
               my $title = $curRes->compTitle();
       my $symbx = $curRes->symb();
       $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$prob.
    (scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
       $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
   
       my %newrecord=();
       my @displayPts=();
       foreach my $partid (@{$parts}) {
    my $newpts = $ENV{'form.GD_BOX'.$question.'_'.$partid};
    my $oldpts = $ENV{'form.oldpts'.$question.'_'.$partid};
   
    my $wgt = $ENV{'form.WGT'.$question.'_'.$partid} != 0 ? 
       $ENV{'form.WGT'.$question.'_'.$partid} : 1;
    my $partial = $newpts/$wgt;
    my $score;
    if ($partial > 0) {
       $score = 'correct_by_override';
    } elsif ($newpts ne '') { #empty is taken as 0
       $score = 'incorrect_by_override';
    }
    my $dropMenu = $ENV{'form.GD_SEL'.$question.'_'.$partid};
    if ($dropMenu eq 'excused') {
       $partial = '';
       $score = 'excused';
    } elsif ($dropMenu eq 'reset status'
    && $ENV{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
       $newrecord{'resource.'.$partid.'.tries'} = 0;
       $newrecord{'resource.'.$partid.'.solved'} = '';
       $newrecord{'resource.'.$partid.'.award'} = '';
       $newrecord{'resource.'.$partid.'.awarded'} = 0;
       $newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}";
       $changeflag++;
       $newpts = '';
    }
    my $display_part=&get_display_part($partid,undef,
      $curRes->symb());
    my $oldstatus = $ENV{'form.solved'.$question.'_'.$partid};
    $displayPts[0].='&nbsp;<b>Part:</b> '.$display_part.' = '.
       (($oldstatus eq 'excused') ? 'excused' : $oldpts).
       '&nbsp;<br>';
    $displayPts[1].='&nbsp;<b>Part:</b> '.$display_part.' = '.
        (($score eq 'excused') ? 'excused' : $newpts).
       '&nbsp;<br>';
   
    $question++;
    next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
   
    $newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
    $newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
    $newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}"
       if (scalar(keys(%newrecord)) > 0);
   
    $changeflag++;
       }
       if (scalar(keys(%newrecord)) > 0) {
    &Apache::lonnet::cstore(\%newrecord,$symbx,$ENV{'request.course.id'},
    $udom,$uname);
       }
   
       $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
    '<td valign="top">'.$displayPts[1].'</td>'.
    '</tr>';
   
       $prob++;
    }
           $curRes = $iterator->next();
       }
   
       $navmap->untieHashes();
   
       $studentTable.='</td></tr></table></td></tr></table>';
       $studentTable.=&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'});
       my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
     'The scores were changed for '.
     $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
       $request->print($grademsg.$studentTable);
   
       return '';
   }
   
   #-------- end of section for handling grading by page/sequence ---------
   #
   #-------------------------------------------------------------------
   
   #--------------------Scantron Grading-----------------------------------
   #
   #------ start of section for handling grading by page/sequence ---------
   
   sub defaultFormData {
       my ($symb,$url)=@_;
       return '
         <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
        '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
        '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
        '<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
   }
   
   sub getSequenceDropDown {
       my ($request,$symb)=@_;
       my $result='<select name="selectpage">'."\n";
       my ($titles,$symbx) = &getSymbMap($request);
       my ($curpage)=&Apache::lonnet::decode_symb($symb); 
       my $ctr=0;
       foreach (@$titles) {
    my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
    $result.='<option value="'.$$symbx{$_}.'" '.
       ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
       '>'.$showtitle.'</option>'."\n";
    $ctr++;
       }
       $result.= '</select>';
     return $result;      return $result;
 }  }
   
 #--- Displays the main menu page -------  sub scantron_filenames {
 sub gradingmenu {      my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
     my ($request) = @_;      my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
     my ($symb,$url)=&get_symb_and_url($request);      my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname,
     if (!$symb) {return '';}      &Apache::loncommon::propath($cdom,$cname));
     my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';      my @possiblenames;
     $result.='<table border="0">';      foreach my $filename (sort(@files)) {
     $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';   ($filename)=split(/&/,$filename);
     my ($partlist,$handgrade) = &response_type($url);   if ($filename!~/^scantron_orig_/) { next ; }
     my ($resptype,$hdgrade)=('','no');   $filename=~s/^scantron_orig_//;
     for (sort keys(%$handgrade)) {   push(@possiblenames,$filename);
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});      }
  $resptype = $responsetype;      return @possiblenames;
  $hdgrade = $handgrade if ($handgrade eq 'yes');  }
  $result.='<tr><td><b>Part </b>'.(split(/_/))[0].'</td>'.  
     '<td><b>Type: </b>'.$responsetype.'</td>'.  sub scantron_uploads {
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';      my ($file2grade) = @_;
     }      my $result= '<select name="scantron_selectfile">';
     $result.='</table>';      $result.="<option></option>";
     $result.=&view_edit_entire_class_form($symb,$url).'<br />';      foreach my $filename (sort(&scantron_filenames())) {
     $result.=&upcsvScores_form($symb,$url).'<br />';   $result.="<option".($filename eq $file2grade ? ' selected="on"':'').">$filename</option>\n";
     $result.=&viewGradeaStu_form($symb,$url,$resptype,$hdgrade).'<br />';      }
     $result.=&verifyReceipt_form($symb,$url)       $result.="</select>";
  if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb));  
    
     return $result;      return $result;
 }  }
   
 #--- Menu for grading a section or the whole class ---  sub scantron_scantab {
 sub view_edit_entire_class_form {      my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
     my ($symb,$url)=@_;      my $result='<select name="scantron_format">'."\n";
     my ($classlist,$sections) = &getclasslist('all','0');      $result.='<option></option>'."\n";
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      foreach my $line (<$fh>) {
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";   my ($name,$descrip)=split(/:/,$line);
     $result.='&nbsp;<b>View/Grade Entire Section/Class</b></td></tr>'."\n";   if ($name =~ /^\#/) { next; }
     $result.='<tr bgcolor=#ffffe6><td>'."\n";   $result.='<option value="'.$name.'">'.$descrip.'</option>'."\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.='</select>'."\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;      return $result;
 }  }
   
 #--- Menu to upload a csv scores ---  sub scantron_CODElist {
 sub upcsvScores_form {      my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
     my ($symb,$url) = @_;      my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
       my $namechoice='<option></option>';
       foreach my $name (sort(@names)) {
    if ($name =~ /^error: 2 /) { next; }
    $namechoice.='<option value="'.$name.'">'.$name.'</option>';
       }
       $namechoice='<select name="scantron_CODElist">'.$namechoice.'</select>';
       return $namechoice;
   }
   
   sub scantron_CODEunique {
       my $result='<nobr>
                    <input type="radio" name="scantron_CODEunique"
                           value="Yes" checked="on" /> Yes
                   </nobr>
                   <nobr>
                    <input type="radio" name="scantron_CODEunique"
                           value="No" /> No
                   </nobr>';
       return $result;
   }
   
   sub scantron_selectphase {
       my ($r,$file2grade) = @_;
       my ($symb,$url)=&get_symb_and_url($r);
     if (!$symb) {return '';}      if (!$symb) {return '';}
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      my $sequence_selector=&getSequenceDropDown($r,$symb);
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";      my $default_form_data=&defaultFormData($symb,$url);
     $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";      my $grading_menu_button=&show_grading_menu_form($symb,$url);
     $result.='<tr bgcolor=#ffffe6><td>'."\n";      my $file_selector=&scantron_uploads($file2grade);
     my $upfile_select=&Apache::loncommon::upfile_select_html();      my $format_selector=&scantron_scantab();
   $result.=<<ENDUPFORM;      my $CODE_selector=&scantron_CODElist();
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">      my $CODE_unique=&scantron_CODEunique();
 <input type="hidden" name="symb" value="$symb" />      my $result;
 <input type="hidden" name="url" value="$url" />      #FIXME allow instructor to be able to download the scantron file
 <input type="hidden" name="command" value="csvuploadmap" />      # and to upload it,
 $upfile_select      $result.= <<SCANTRONFORM;
 <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />      <table width="100%" border="0">
       <tr>
         <td bgcolor="#777777">
          <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantron_process">
          <input type="hidden" name="command" value="scantron_warning" />
           $default_form_data
           <table width="100%" border="0">
             <tr bgcolor="#e6ffff">
               <td colspan="2">
                 &nbsp;<b>Specify file and which Folder/Sequence to grade</b>
               </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td> Sequence to grade: </td><td> $sequence_selector </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td> Filename of scoring office file: </td><td> $file_selector </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td> Format of data file: </td><td> $format_selector </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td> Saved CODEs to validate against: </td><td> $CODE_selector</td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td> Each CODE is only to be used once:</td><td> $CODE_unique </td>
             </tr>
             <tr bgcolor="#ffffe6">
       <td> Options: </td>
               <td>
                   <input type="checkbox" name="scantron_options_redo" value="redo_skipped"/> Do only previously skipped records <br />
                   <input type="checkbox" name="scantron_options_ignore" value="ignore_corrections"/> Remove all exisiting corrections
       </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td colspan="2">
                 <input type="submit" value="Validate Scantron Records" />
               </td>
             </tr>
           </table>
          </form>
         </td>
       </tr>
   SCANTRONFORM
      
       $r->print($result);
   
       if (&Apache::lonnet::allowed('usc',$ENV{'request.role.domain'}) ||
           &Apache::lonnet::allowed('usc',$ENV{'request.course.id'})) {
   
           $r->print(<<SCANTRONFORM);
       <tr>
         <td bgcolor="#777777">
           <table width="100%" border="0">
             <tr bgcolor="#e6ffff">
               <td>
                 &nbsp;<b>Specify a Scantron data file to upload.</b>
               </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td>
   SCANTRONFORM
       my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
       my $cdom= $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $cnum= $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       $r->print(<<UPLOAD);
                 <script type="text/javascript" language="javascript">
       function checkUpload(formname) {
    if (formname.upfile.value == "") {
       alert("Please use the browse button to select a file from your local directory.");
       return false;
    }
    formname.submit();
       }
                 </script>
   
                 <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
                   $default_form_data
                   <input name='courseid' type='hidden' value='$cnum' />
                   <input name='domainid' type='hidden' value='$cdom' />
                   <input name='command' value='scantronupload_save' type='hidden' />
                   File to upload:<input type="file" name="upfile" size="50" />
                   <br />
                   <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
                 </form>
   UPLOAD
   
           $r->print(<<SCANTRONFORM);
               </td>
             </tr>
           </table>
         </td>
       </tr>
   SCANTRONFORM
       }
       $r->print(<<SCANTRONFORM);
       <tr>
         <td bgcolor="#777777">
           <form action='/adm/grades' name='scantron_download'>
             <input type="hidden" name="command" value="scantron_download" />
             <table width="100%" border="0">
               <tr bgcolor="#e6ffff">
                 <td colspan="2">
                   &nbsp;<b>Download a scoring office file</b>
                 </td>
               </tr>
               <tr bgcolor="#ffffe6">
                 <td> Filename of scoring office file: </td><td> $file_selector </td>
               </tr>
               <tr bgcolor="#ffffe6">
                 <td colspan="2">
                   <input type="submit" value="Show List of Files" />
                 </td>
               </tr>
             </table>
           </form>
         </td>
       </tr>
   SCANTRONFORM
   
       $r->print(<<SCANTRONFORM);
     </table>
 </form>  </form>
 ENDUPFORM  $grading_menu_button
     $result.='</td></tr></table>'."\n";  SCANTRONFORM
     $result.='</td></tr></table>'."\n";  
       return
   }
   
   sub get_scantron_config {
       my ($which) = @_;
       my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
       my %config;
       #FIXME probably should move to XML it has already gotten a bit much now
       foreach my $line (<$fh>) {
    my ($name,$descrip)=split(/:/,$line);
    if ($name ne $which ) { next; }
    chomp($line);
    my @config=split(/:/,$line);
    $config{'name'}=$config[0];
    $config{'description'}=$config[1];
    $config{'CODElocation'}=$config[2];
    $config{'CODEstart'}=$config[3];
    $config{'CODElength'}=$config[4];
    $config{'IDstart'}=$config[5];
    $config{'IDlength'}=$config[6];
    $config{'Qstart'}=$config[7];
    $config{'Qlength'}=$config[8];
    $config{'Qoff'}=$config[9];
    $config{'Qon'}=$config[10];
    $config{'PaperID'}=$config[11];
    $config{'PaperIDlength'}=$config[12];
    $config{'FirstName'}=$config[13];
    $config{'FirstNamelength'}=$config[14];
    $config{'LastName'}=$config[15];
    $config{'LastNamelength'}=$config[16];
    last;
       }
       return %config;
   }
   
   sub username_to_idmap {
       my ($classlist)= @_;
       my %idmap;
       foreach my $student (keys(%$classlist)) {
    $idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
       $student;
       }
       return %idmap;
   }
   
   sub scantron_fixup_scanline {
       my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
       if ($field eq 'ID') {
    if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
       return ($line,1,'New value too large');
    }
    if (length($args->{'newid'}) < $$scantron_config{'IDlength'}) {
       $args->{'newid'}=sprintf('%-'.$$scantron_config{'IDlength'}.'s',
        $args->{'newid'});
    }
    substr($line,$$scantron_config{'IDstart'}-1,
          $$scantron_config{'IDlength'})=$args->{'newid'};
    if ($args->{'newid'}=~/^\s*$/) {
       &scan_data($scan_data,"$whichline.user",
          $args->{'username'}.':'.$args->{'domain'});
    }
       } elsif ($field eq 'CODE') {
    if ($args->{'CODE_ignore_dup'}) {
       &scan_data($scan_data,"$whichline.CODE_ignore_dup",'1');
    }
    &scan_data($scan_data,"$whichline.useCODE",'1');
    if ($args->{'CODE'} ne 'use_unfound') {
       if (length($args->{'CODE'}) > $$scantron_config{'CODElength'}) {
    return ($line,1,'New CODE value too large');
       }
       if (length($args->{'CODE'}) < $$scantron_config{'CODElength'}) {
    $args->{'CODE'}=sprintf('%-'.$$scantron_config{'CODElength'}.'s',$args->{'CODE'});
       }
       substr($line,$$scantron_config{'CODEstart'}-1,
      $$scantron_config{'CODElength'})=$args->{'CODE'};
    }
       } elsif ($field eq 'answer') {
    my $length=$scantron_config->{'Qlength'};
    my $off=$scantron_config->{'Qoff'};
    my $on=$scantron_config->{'Qon'};
    my $answer=${off}x$length;
    if ($args->{'response'} eq 'none') {
       &scan_data($scan_data,
          "$whichline.no_bubble.".$args->{'question'},'1');
    } else {
       substr($answer,$args->{'response'},1)=$on;
       &scan_data($scan_data,
          "$whichline.no_bubble.".$args->{'question'},undef,'1');
    }
    my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
    substr($line,$where-1,$length)=$answer;
       }
       return $line;
   }
   
   sub scan_data {
       my ($scan_data,$key,$value,$delete)=@_;
       my $filename=$ENV{'form.scantron_selectfile'};
       if (defined($value)) {
    $scan_data->{$filename.'_'.$key} = $value;
       }
       if ($delete) { delete($scan_data->{$filename.'_'.$key}); }
       return $scan_data->{$filename.'_'.$key};
   }
   
   sub scantron_parse_scanline {
       my ($line,$whichline,$scantron_config,$scan_data,$justHeader)=@_;
       my %record;
       my $questions=substr($line,$$scantron_config{'Qstart'}-1);
       my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
       if ($$scantron_config{'CODElocation'} ne 0) {
    if ($$scantron_config{'CODElocation'} < 0) {
       $record{'scantron.CODE'}=substr($data,
       $$scantron_config{'CODEstart'}-1,
       $$scantron_config{'CODElength'});
       if (&scan_data($scan_data,"$whichline.useCODE")) {
    $record{'scantron.useCODE'}=1;
       }
       if (&scan_data($scan_data,"$whichline.CODE_ignore_dup")) {
    $record{'scantron.CODE_ignore_dup'}=1;
       }
    } else {
       #FIXME interpret first N questions
    }
       }
       $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
     $$scantron_config{'IDlength'});
       $record{'scantron.PaperID'}=
    substr($data,$$scantron_config{'PaperID'}-1,
          $$scantron_config{'PaperIDlength'});
       $record{'scantron.FirstName'}=
    substr($data,$$scantron_config{'FirstName'}-1,
          $$scantron_config{'FirstNamelength'});
       $record{'scantron.LastName'}=
    substr($data,$$scantron_config{'LastName'}-1,
          $$scantron_config{'LastNamelength'});
       if ($justHeader) { return \%record; }
   
       my @alphabet=('A'..'Z');
       my $questnum=0;
       while ($questions) {
    $questnum++;
    my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
    substr($questions,0,$$scantron_config{'Qlength'})='';
    if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
    my @array=split($$scantron_config{'Qon'},$currentquest,-1);
    if (length($array[0]) eq $$scantron_config{'Qlength'}) {
       $record{"scantron.$questnum.answer"}='';
       if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
    push(@{$record{"scantron.missingerror"}},$questnum);
        }
    } else {
       $record{"scantron.$questnum.answer"}=$alphabet[length($array[0])];
    }
     if (scalar(@array) gt 2) {
        push(@{$record{'scantron.doubleerror'}},$questnum);
        my @ans=@array;
        my $i=length($ans[0]);shift(@ans);
       while ($#ans) {
     $i+=length($ans[0])+1;
     $record{"scantron.$questnum.answer"}.=$alphabet[$i];
     shift(@ans);
        }
     }
       }
       $record{'scantron.maxquest'}=$questnum;
       return \%record;
   }
   
   sub scantron_add_delay {
       my ($delayqueue,$scanline,$errormessage,$errorcode)=@_;
       push(@$delayqueue,
    {'line' => $scanline, 'emsg' => $errormessage,
     'ecode' => $errorcode }
    );
   }
   
   sub scantron_find_student {
       my ($scantron_record,$scan_data,$idmap,$line)=@_;
       my $scanID=$$scantron_record{'scantron.ID'};
       if ($scanID =~ /^\s*$/) {
     return &scan_data($scan_data,"$line.user");
       }
       foreach my $id (keys(%$idmap)) {
     if (lc($id) eq lc($scanID)) {
        return $$idmap{$id};
     }
       }
       return undef;
   }
   
   sub scantron_filter {
       my ($curres)=@_;
                           # randomout is dysfunctional at best for this purpose
       if (ref($curres) && $curres->is_problem()) { #&& !$curres->randomout) {
    return 1;
       }
       return 0;
   }
   
   sub scantron_process_corrections {
       my ($r) = @_;
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       my ($scanlines,$scan_data)=&scantron_getfile();
       my $classlist=&Apache::loncoursedata::get_classlist();
       my $which=$ENV{'form.scantron_line'};
       my $line=&scantron_get_line($scanlines,$scan_data,$which);
       my ($skip,$err,$errmsg);
       if ($ENV{'form.scantron_skip_record'}) {
    $skip=1;
       } elsif ($ENV{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) {
    my $newstudent=$ENV{'form.scantron_username'}.':'.
       $ENV{'form.scantron_domain'};
    my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
    ($line,$err,$errmsg)=
       &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
        'ID',{'newid'=>$newid,
       'username'=>$ENV{'form.scantron_username'},
       'domain'=>$ENV{'form.scantron_domain'}});
       } elsif ($ENV{'form.scantron_corrections'} =~ /^(duplicate|incorrect)CODE$/) {
    my $resolution=$ENV{'form.scantron_CODE_resolution'};
    my $newCODE;
    my %args;
    if      ($resolution eq 'use_unfound') {
       $newCODE='use_unfound';
    } elsif ($resolution eq 'use_found') {
       $newCODE=$ENV{'form.scantron_CODE_selectedvalue'};
    } elsif ($resolution eq 'use_typed') {
       $newCODE=$ENV{'form.scantron_CODE_newvalue'};
    } elsif ($resolution =~ /^use_closest_(\d+)/) {
       $newCODE=$ENV{"form.scantron_CODE_closest_$1"};
    }
    if ($ENV{'form.scantron_corrections'} eq 'duplicateCODE') {
       $args{'CODE_ignore_dup'}=1;
    }
    $args{'CODE'}=$newCODE;
    ($line,$err,$errmsg)=
       &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
        'CODE',\%args);
       } elsif ($ENV{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
    foreach my $question (split(',',$ENV{'form.scantron_questions'})) {
       ($line,$err,$errmsg)=
    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
    $which,'answer',
    { 'question'=>$question,
          'response'=>$ENV{"form.scantron_correct_Q_$question"}});
       if ($err) { last; }
    }
       }
       if ($err) {
    $r->print("Unable to accept last correction, an error occurred :$errmsg:");
       } else {
    &scantron_put_line($scanlines,$scan_data,$which,$line,$skip);
    &scantron_putfile($scanlines,$scan_data);
       }
   }
   
   sub reset_skipping_status {
       my ($scanlines,$scan_data)=&scantron_getfile();
       &scan_data($scan_data,'remember_skipping',undef,1);
       &scantron_putfile(undef,$scan_data);
   }
   
   sub allow_skipping {
       my ($scan_data,$i)=@_;
       my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
       delete($remembered{$i});
       &scan_data($scan_data,'remember_skipping',join(':',%remembered));
   }
   
   sub should_be_skipped {
       my ($scan_data,$i)=@_;
       if ($ENV{'form.scantron_options_redo'} !~ /^redo_/) {
    # not redoing old skips
    return 0;
       }
       my %remembered=split(':',&scan_data($scan_data,'remember_skipping'));
       if (exists($remembered{$i})) { return 0; }
       return 1;
   }
   
   sub remember_current_skipped {
       my ($scanlines,$scan_data)=&scantron_getfile();
       my %to_remember;
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    if ($scanlines->{'skipped'}[$i]) {
       $to_remember{$i}=1;
    }
       }
       &Apache::lonnet::logthis('remembering '.join(':',%to_remember));
       &scan_data($scan_data,'remember_skipping',join(':',%to_remember));
       &scantron_putfile(undef,$scan_data);
   }
   
   sub check_for_error {
       my ($r,$result)=@_;
       if ($result ne 'ok' && $result ne 'not_found' ) {
    $r->print("An error occured ($result) when trying to Remove the existing corrections.");
       }
   }
   
   sub scantron_warning_screen {
       my ($button_text)=@_;
       my $title=&Apache::lonnet::gettitle($ENV{'form.selectpage'});
       return (<<STUFF);
   <p>
   <font color="red">Please double check the information
                    below before clicking on '$button_text'</font>
   </p>
   <table>
   <tr><td><b>Sequence To be Graded:</b></td><td>$title</td></tr>
   <tr><td><b>Data File that will be used:</b></td><td><tt>$ENV{'form.scantron_selectfile'}</tt></td></tr>
   </table>
   </font>
   <br />
   <p> If this information is correct, please click on '$button_text'.</p>
   <p> If something is incorrect, please click the 'Grading Menu' button to start over.</p>
   
   <br />
   STUFF
   }
   
   sub scantron_do_warning {
       my ($r)=@_;
       my ($symb,$url)=&get_symb_and_url($r);
       if (!$symb) {return '';}
       my $default_form_data=&defaultFormData($symb,$url);
       $r->print(&scantron_form_start().$default_form_data);
       my $warning=&scantron_warning_screen('Validate Records');
       $r->print(<<STUFF);
   $warning
   <input type="submit" name="submit" value="Validate Records" />
   <input type="hidden" name="command" value="scantron_validate" />
   </form>
   STUFF
       $r->print("<br />".&show_grading_menu_form($symb,$url)."</body></html>");
       return '';
   }
   
   sub scantron_form_start {
       my ($max_bubble)=@_;
       my $result= <<SCANTRONFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
     <input type="hidden" name="selectpage" value="$ENV{'form.selectpage'}" />
     <input type="hidden" name="scantron_format" value="$ENV{'form.scantron_format'}" />
     <input type="hidden" name="scantron_selectfile" value="$ENV{'form.scantron_selectfile'}" />
     <input type="hidden" name="scantron_maxbubble" value="$max_bubble" />
     <input type="hidden" name="scantron_CODElist" value="$ENV{'form.scantron_CODElist'}" />
     <input type="hidden" name="scantron_CODEunique" value="$ENV{'form.scantron_CODEunique'}" />
     <input type="hidden" name="scantron_options_redo" value="$ENV{'form.scantron_options_redo'}" />
     <input type="hidden" name="scantron_options_ignore" value="$ENV{'form.scantron_options_ignore'}" />
   SCANTRONFORM
     return $result;      return $result;
 }  }
   
 #--- Handgrading problems ---  sub scantron_validate_file {
 sub viewGradeaStu_form {      my ($r) = @_;
     my ($symb,$url,$response,$handgrade) = @_;      my ($symb,$url)=&get_symb_and_url($r);
     my ($classlist,$sections) = &getclasslist('all','0');      if (!$symb) {return '';}
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";      my $default_form_data=&defaultFormData($symb,$url);
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";      
     $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";      # do the detection of only doing skipped records first befroe we delete
     $result.='<tr bgcolor=#ffffe6><td>'."\n";      # them  when doing the corrections reset
     $result.='<form action="/adm/grades" method="post">'."\n".      if ($ENV{'form.scantron_options_redo'} ne 'redo_skipped_ready') {
    &reset_skipping_status();
       }
       if ($ENV{'form.scantron_options_redo'} eq 'redo_skipped') {
    &remember_current_skipped();
    &scantron_remove_file('skipped');
    $ENV{'form.scantron_options_redo'}='redo_skipped_ready';
       }
   
       if ($ENV{'form.scantron_options_ignore'} eq 'ignore_corrections') {
    &check_for_error($r,&scantron_remove_file('corrected'));
    &check_for_error($r,&scantron_remove_file('skipped'));
    &check_for_error($r,&scantron_remove_scan_data());
    $ENV{'form.scantron_options_ignore'}='done';
       }
   
       if ($ENV{'form.scantron_corrections'}) {
    &scantron_process_corrections($r);
       }
       $r->print("<p>Gathering neccessary info.</p>");$r->rflush();
       #get the student pick code ready
       $r->print(&Apache::loncommon::studentbrowser_javascript());
       my $max_bubble=&scantron_get_maxbubble($r);
       my $result=&scantron_form_start($max_bubble).$default_form_data;
       $r->print($result);
       
       my @validate_phases=( 'ID',
     'CODE',
     'doublebubble',
     'missingbubbles');
       if (!$ENV{'form.validatepass'}) {
    $ENV{'form.validatepass'} = 0;
       }
       my $currentphase=$ENV{'form.validatepass'};
   
       my $stop=0;
       while (!$stop && $currentphase < scalar(@validate_phases)) {
    $r->print("<p> Validating ".$validate_phases[$currentphase]."</p>");
    $r->rflush();
    my $which="scantron_validate_".$validate_phases[$currentphase];
    {
       no strict 'refs';
       ($stop,$currentphase)=&$which($r,$currentphase);
    }
       }
       if (!$stop) {
    my $warning=&scantron_warning_screen('Start Grading');
    $r->print(<<STUFF);
   Validation process complete.<br />
   $warning
   <input type="submit" name="submit" value="Start Grading" />
   <input type="hidden" name="command" value="scantron_process" />
   STUFF
   
       } else {
    $r->print('<input type="hidden" name="command" value="scantron_validate" />');
    $r->print("<input type='hidden' name='validatepass' value='".$currentphase."' />");
       }
       if ($stop) {
    $r->print('<input type="submit" name="submit" value="Continue ->" />');
    $r->print(' using corrected info <br />');
    $r->print("<input type='submit' value='Skip' name='scantron_skip_record' />");
    $r->print(" this scanline saving it for later.");
       }
       $r->print(" </form><br />".&show_grading_menu_form($symb,$url).
         "</body></html>");
       return '';
   }
   
   sub scantron_remove_file {
       my ($which)=@_;
       my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $file='scantron_';
       if ($which eq 'corrected' || $which eq 'skipped') {
    $file.=$which.'_';
       } else {
    return 'refused';
       }
       $file.=$ENV{'form.scantron_selectfile'};
       return &Apache::lonnet::removeuserfile($cname,$cdom,$file);
   }
   
   sub scantron_remove_scan_data {
       my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my @keys=&Apache::lonnet::getkeys('nohist_scantrondata',$cdom,$cname);
       my @todelete;
       my $filename=$ENV{'form.scantron_selectfile'};
       foreach my $key (@keys) {
    if ($key=~/^\Q$filename\E_/) {
       if ($ENV{'form.scantron_options_redo'} eq 'redo_skipped_ready' &&
    $key=~/remember_skipping/) {
    next;
       }
       push(@todelete,$key);
    }
       }
       my $result;
       if (@todelete) {
    $result=&Apache::lonnet::del('nohist_scantrondata',\@todelete,$cdom,$cname);
       }
       return $result;
   }
   
   sub scantron_getfile {
       #FIXME really would prefer a scantron directory
       my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $lines;
       $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
          'scantron_orig_'.$ENV{'form.scantron_selectfile'});
       my %scanlines;
       $scanlines{'orig'}=[(split("\n",$lines,-1))];
       my $temp=$scanlines{'orig'};
       $scanlines{'count'}=$#$temp;
   
       $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
          'scantron_corrected_'.$ENV{'form.scantron_selectfile'});
       if ($lines eq '-1') {
    $scanlines{'corrected'}=[];
       } else {
    $scanlines{'corrected'}=[(split("\n",$lines,-1))];
       }
       $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.
          'scantron_skipped_'.$ENV{'form.scantron_selectfile'});
       if ($lines eq '-1') {
    $scanlines{'skipped'}=[];
       } else {
    $scanlines{'skipped'}=[(split("\n",$lines,-1))];
       }
       my @tmp=&Apache::lonnet::dump('nohist_scantrondata',$cdom,$cname);
       if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); }
       my %scan_data = @tmp;
       return (\%scanlines,\%scan_data);
   }
   
   sub lonnet_putfile {
       my ($contents,$filename)=@_;
       my $docuname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $docudom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $docuhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
       $ENV{'form.sillywaytopassafilearound'}=$contents;
       &Apache::lonnet::finishuserfileupload($docuname,$docudom,$docuhome,'sillywaytopassafilearound',$filename);
   
   }
   
   sub scantron_putfile {
       my ($scanlines,$scan_data) = @_;
       #FIXME really would prefer a scantron directory
       my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       if ($scanlines) {
    my $prefix='scantron_';
   # no need to update orig, shouldn't change
   #   &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'.
   #    $ENV{'form.scantron_selectfile'});
    &lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}),
    $prefix.'corrected_'.
    $ENV{'form.scantron_selectfile'});
    &lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}),
    $prefix.'skipped_'.
    $ENV{'form.scantron_selectfile'});
       }
       &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname);
   }
   
   sub scantron_get_line {
       my ($scanlines,$scan_data,$i)=@_;
       if (&should_be_skipped($scan_data,$i)) { return undef; }
       if ($scanlines->{'skipped'}[$i]) { return undef; }
       if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];}
       return $scanlines->{'orig'}[$i]; 
   }
   
   sub get_todo_count {
       my ($scanlines,$scan_data)=@_;
       my $count=0;
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    my $line=&scantron_get_line($scanlines,$scan_data,$i);
    if ($line=~/^[\s\cz]*$/) { next; }
    $count++;
       }
       return $count;
   }
   
   sub scantron_put_line {
       my ($scanlines,$scan_data,$i,$newline,$skip)=@_;
       if ($skip) {
    $scanlines->{'skipped'}[$i]=$newline;
    &allow_skipping($scan_data,$i);
    return;
       }
       $scanlines->{'corrected'}[$i]=$newline;
   }
   
   sub scantron_validate_ID {
       my ($r,$currentphase) = @_;
       
       #get student info
       my $classlist=&Apache::loncoursedata::get_classlist();
       my %idmap=&username_to_idmap($classlist);
   
       #get scantron line setup
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       my ($scanlines,$scan_data)=&scantron_getfile();
   
       my %found=('ids'=>{},'usernames'=>{});
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    my $line=&scantron_get_line($scanlines,$scan_data,$i);
    if ($line=~/^[\s\cz]*$/) { next; }
    my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
    $scan_data);
    my $id=$$scan_record{'scantron.ID'};
    my $found;
    foreach my $checkid (keys(%idmap)) {
       if (lc($checkid) eq lc($id)) { $found=$checkid;last; }
    }
    if ($found) {
       my $username=$idmap{$found};
       if ($found{'ids'}{$found}) {
    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
    $line,'duplicateID',$found);
    return(1,$currentphase);
       } elsif ($found{'usernames'}{$username}) {
    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
    $line,'duplicateID',$username);
    return(1,$currentphase);
       }
       #FIXME store away line we previously saw the ID on to use above
       $found{'ids'}{$found}++;
       $found{'usernames'}{$username}++;
    } else {
       if ($id =~ /^\s*$/) {
    my $username=&scan_data($scan_data,"$i.user");
    if (defined($username) && $found{'usernames'}{$username}) {
       &scantron_get_correction($r,$i,$scan_record,
        \%scantron_config,
        $line,'duplicateID',$username);
       return(1,$currentphase);
    } elsif (!defined($username)) {
       &scantron_get_correction($r,$i,$scan_record,
        \%scantron_config,
        $line,'incorrectID');
       return(1,$currentphase);
    }
    $found{'usernames'}{$username}++;
       } else {
    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
    $line,'incorrectID');
    return(1,$currentphase);
       }
    }
       }
   
       return (0,$currentphase+1);
   }
   
   sub scantron_get_correction {
       my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
   
   #FIXME in the case of a duplicated ID the previous line, probaly need
   #to show both the current line and the previous one and allow skipping
   #the previous one or the current one
   
       $r->print("<p><b>An error was detected ($error)</b>");
       if ( defined($$scan_record{'scantron.PaperID'}) ) {
    $r->print(" for PaperID <tt>".
     $$scan_record{'scantron.PaperID'}."</tt> \n");
       } else {
    $r->print(" in scanline $i <pre>".
     $line."</pre> \n");
       }
       $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
       $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
       if ($error =~ /ID$/) {
    if ($error eq 'incorrectID') {
       $r->print("The encoded ID is not in the classlist</p>\n");
    } elsif ($error eq 'duplicateID') {
       $r->print("The encoded ID has also been used by a previous paper $arg</p>\n");
    }
    $r->print("<p>The ID on the form is  <tt>".
     $$scan_record{'scantron.ID'}."</tt><br />\n");
    $r->print("The name on the paper is ".
     $$scan_record{'scantron.LastName'}.",".
     $$scan_record{'scantron.FirstName'}."</p>");
    $r->print("<p>How should I handle this? <br /> \n");
    $r->print("\n<ul><li> ");
    #FIXME it would be nice if this sent back the user ID and
    #could do partial userID matches
    $r->print(&Apache::loncommon::selectstudent_link('scantronupload',
          'scantron_username','scantron_domain'));
    $r->print(": <input type='text' name='scantron_username' value='' />");
    $r->print("\n@".
    &Apache::loncommon::select_dom_form($ENV{'request.role.domain'},'scantron_domain'));
   
    $r->print('</li>');
       } elsif ($error =~ /CODE$/) {
    if ($error eq 'incorrectCODE') {
       $r->print("</p><p>The encoded CODE is not in the list of possible CODEs</p>\n");
    } elsif ($error eq 'duplicateCODE') {
       $r->print("</p><p>The encoded CODE has also been used by a previous paper ".join(', ',@{$arg}).", and CODEs are supposed to be unique</p>\n");
    }
    $r->print("<p>The CODE on the form is  <tt>'".
     $$scan_record{'scantron.CODE'}."'</tt><br />\n");
    $r->print("<p>The ID on the form is  <tt>".
     $$scan_record{'scantron.ID'}."</tt><br />\n");
    $r->print("The name on the paper is ".
     $$scan_record{'scantron.LastName'}.",".
     $$scan_record{'scantron.FirstName'}."</p>");
    $r->print("<p>How should I handle this? <br /> \n");
    $r->print("\n<br /> ");
    my $i=0;
    if ($error eq 'incorrectCODE') {
       my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'});
       foreach my $testcode (@{$closest}) {
    my $checked='';
    if (!$i) { $checked=' checked="on" '; }
    $r->print("<input type='radio' name='scantron_CODE_resolution' value='use_closest_$i' $checked /> Use the similar CODE <b><tt>".$testcode."</tt></b> instead.<input type='hidden' name='scantron_CODE_closest_$i' value='$testcode' />");
    $r->print("\n<br />");
    $i++;
       }
    }
    my $checked; if (!$i) { $checked=' checked="on" '; }
    $r->print("<input type='radio' name='scantron_CODE_resolution' value='use_unfound' $checked /> Use the CODE <b><tt>".$$scan_record{'scantron.CODE'}."</tt></b> that is was on the paper, ignoring the error.");
    $r->print("\n<br />");
   
    $r->print(<<ENDSCRIPT);
   <script type="text/javascript">
   function change_radio(field) {
       var slct=document.scantronupload.scantron_CODE_resolution;
       var i;
       for (i=0;i<slct.length;i++) {
           if (slct[i].value==field) { slct[i].checked=true; }
       }
   }
   </script>
   ENDSCRIPT
    my $href="/adm/pickcode?".
      "form=".&Apache::lonnet::escape("scantronupload").
      "&scantron_format=".&Apache::lonnet::escape($ENV{'form.scantron_format'}).
      "&scantron_CODElist=".&Apache::lonnet::escape($ENV{'form.scantron_CODElist'}).
      "&curCODE=".&Apache::lonnet::escape($$scan_record{'scantron.CODE'}).
      "&scantron_selectfile=".&Apache::lonnet::escape($ENV{'form.scantron_selectfile'});
    $r->print("<input type='radio' name='scantron_CODE_resolution' value='use_found' /> <a target='_blank' href='$href'>Select</a> a CODE from the list of all CODEs and use it. Selected CODE is <input readonly='true' type='text' size='8' name='scantron_CODE_selectedvalue' onfocus=\"javascript:change_radio('use_found')\" onchange=\"javascript:change_radio('use_found')\" />");
    $r->print("\n<br />");
    $r->print("<input type='radio' name='scantron_CODE_resolution' value='use_typed' /> Use <input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" /> as the CODE.");
    $r->print("\n<br /><br />");
       } elsif ($error eq 'doublebubble') {
    $r->print("<p>There have been multiple bubbles scanned for a some question(s)</p>\n");
    $r->print('<input type="hidden" name="scantron_questions" value="'.
     join(',',@{$arg}).'" />');
    $r->print("<p>Please indicate which bubble should be used for grading</p>");
    foreach my $question (@{$arg}) {
       my $selected=$$scan_record{"scantron.$question.answer"};
       &scantron_bubble_selector($r,$scan_config,$question,split('',$selected));
    }
       } elsif ($error eq 'missingbubble') {
    $r->print("<p>There have been <b>no</b> bubbles scanned for some question(s)</p>\n");
    $r->print("<p>Please indicate which bubble should be used for grading</p>");
    $r->print("Some questions have no scanned bubbles\n");
    $r->print('<input type="hidden" name="scantron_questions" value="'.
     join(',',@{$arg}).'" />');
    foreach my $question (@{$arg}) {
       my $selected=$$scan_record{"scantron.$question.answer"};
       &scantron_bubble_selector($r,$scan_config,$question);
    }
       } else {
    $r->print("\n<ul>");
       }
       $r->print("\n</li></ul>");
   
   }
   
   sub scantron_bubble_selector {
       my ($r,$scan_config,$quest,@selected)=@_;
       my $max=$$scan_config{'Qlength'};
       my @alphabet=('A'..'Z');
       $r->print("<table border='1'><tr><td rowspan='2'>$quest</td>");
       for (my $i=0;$i<$max+1;$i++) {
    $r->print('<td align="center">');
    if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
    else { $r->print('&nbsp;'); }
    $r->print('</td>');
       }
       $r->print('<td></td></tr><tr>');
       for (my $i=0;$i<$max;$i++) {
    $r->print('<td><input type="radio" name="scantron_correct_Q_'.$quest.
     '" value="'.$i.'" />'.$alphabet[$i]."</td>");
       }
       $r->print('<td><input type="radio" name="scantron_correct_Q_'.$quest.
         '" value="none" /> No bubble </td>');
       $r->print('</tr></table>');
   }
   
   sub num_matches {
       my ($orig,$code) = @_;
       my @code=split(//,$code);
       my @orig=split(//,$orig);
       my $same=0;
       for (my $i=0;$i<scalar(@code);$i++) {
    if ($code[$i] eq $orig[$i]) { $same++; }
       }
       return $same;
   }
   
   sub scantron_get_closely_matching_CODEs {
       my ($allcodes,$CODE)=@_;
       my @CODEs;
       foreach my $testcode (sort(keys(%{$allcodes}))) {
    push(@{$CODEs[&num_matches($CODE,$testcode)]},$testcode);
       }
   
       return ($#CODEs,$CODEs[-1]);
   }
   
   sub get_codes {
       my $old_name=$ENV{'form.scantron_CODElist'};
       my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
       my %allcodes=map {(&Apache::lonprintout::num_to_letters($_),1)} split(',',$result{$old_name});
       return %allcodes;
   }
   
   sub scantron_validate_CODE {
       my ($r,$currentphase) = @_;
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       if ($scantron_config{'CODElocation'} &&
    $scantron_config{'CODEstart'} &&
    $scantron_config{'CODElength'}) {
    if (!defined($ENV{'form.scantron_CODElist'})) {
       &FIXME_blow_up()
    }
       } else {
    return (0,$currentphase+1);
       }
       
       my %usedCODEs;
   
       my %allcodes=&get_codes();
   
       my ($scanlines,$scan_data)=&scantron_getfile();
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    my $line=&scantron_get_line($scanlines,$scan_data,$i);
    if ($line=~/^[\s\cz]*$/) { next; }
    my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
    $scan_data);
    my $CODE=$$scan_record{'scantron.CODE'};
    my $error=0;
    if (!&Apache::lonnet::validCODE($CODE)) {
       &scantron_get_correction($r,$i,$scan_record,
        \%scantron_config,
        $line,'incorrectCODE',\%allcodes);
       return(1,$currentphase);
    }
    if (%allcodes && !exists($allcodes{$CODE}) 
               && !$$scan_record{'scantron.useCODE'}) {
       &scantron_get_correction($r,$i,$scan_record,
        \%scantron_config,
        $line,'incorrectCODE',\%allcodes);
       return(1,$currentphase);
    }
    if (exists($usedCODEs{$CODE}) 
       && $ENV{'form.scantron_CODEunique'} eq 'yes'
       && !$$scan_record{'scantron.CODE_ignore_dup'}) {
       &scantron_get_correction($r,$i,$scan_record,
        \%scantron_config,
        $line,'duplicateCODE',$usedCODEs{$CODE});
       return(1,$currentphase);
    }
    push (@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'});
       }
       return (0,$currentphase+1);
   }
   
   sub scantron_validate_doublebubble {
       my ($r,$currentphase) = @_;
       #get student info
       my $classlist=&Apache::loncoursedata::get_classlist();
       my %idmap=&username_to_idmap($classlist);
   
       #get scantron line setup
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       my ($scanlines,$scan_data)=&scantron_getfile();
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    my $line=&scantron_get_line($scanlines,$scan_data,$i);
    if ($line=~/^[\s\cz]*$/) { next; }
    my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
    $scan_data);
    if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
    &scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
    'doublebubble',
    $$scan_record{'scantron.doubleerror'});
       return (1,$currentphase);
       }
       return (0,$currentphase+1);
   }
   
   sub scantron_get_maxbubble {
       my ($r)=@_;
       if (defined($ENV{'form.scantron_maxbubble'}) &&
    $ENV{'form.scantron_maxbubble'}) {
    return $ENV{'form.scantron_maxbubble'};
       }
       my $navmap=Apache::lonnavmaps::navmap->new();
       my (undef,undef,$sequence)=
    &Apache::lonnet::decode_symb($ENV{'form.selectpage'});
       my $map=$navmap->getResourceByUrl($sequence);
       my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
       &Apache::lonnet::delenv('form.counter');
       foreach my $resource (@resources) {
    my $result=&Apache::lonnet::ssi($resource->src());
       }
       &Apache::lonnet::delenv('scantron\.');
       my $envfile=$ENV{'user.environment'};
       $envfile=~/\/([^\/]+)\.id$/;
       $envfile=$1;
       &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
        $envfile);
       $ENV{'form.scantron_maxbubble'}=$ENV{'form.counter'}-1;
       return $ENV{'form.scantron_maxbubble'};
   }
   
   sub scantron_validate_missingbubbles {
       my ($r,$currentphase) = @_;
       #get student info
       my $classlist=&Apache::loncoursedata::get_classlist();
       my %idmap=&username_to_idmap($classlist);
   
       #get scantron line setup
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       my ($scanlines,$scan_data)=&scantron_getfile();
       my $max_bubble=&scantron_get_maxbubble();
       if (!$max_bubble) { $max_bubble=2**31; }
       for (my $i=0;$i<=$scanlines->{'count'};$i++) {
    my $line=&scantron_get_line($scanlines,$scan_data,$i);
    if ($line=~/^[\s\cz]*$/) { next; }
    my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
    $scan_data);
    if (!defined($$scan_record{'scantron.missingerror'})) { next; }
    my @to_correct;
    foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
       if ($missing > $max_bubble) { next; }
       push(@to_correct,$missing);
    }
    if (@to_correct) {
       &scantron_get_correction($r,$i,$scan_record,\%scantron_config,
        $line,'missingbubble',\@to_correct);
       return (1,$currentphase);
    }
   
       }
       return (0,$currentphase+1);
   }
   
   sub scantron_process_students {
       my ($r) = @_;
       my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($ENV{'form.selectpage'});
       my ($symb,$url)=&get_symb_and_url($r);
       if (!$symb) {return '';}
       my $default_form_data=&defaultFormData($symb,$url);
   
       my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
       my ($scanlines,$scan_data)=&scantron_getfile();
       my $classlist=&Apache::loncoursedata::get_classlist();
       my %idmap=&username_to_idmap($classlist);
       my $navmap=Apache::lonnavmaps::navmap->new();
       my $map=$navmap->getResourceByUrl($sequence);
       my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
   #    $r->print("geto ".scalar(@resources)."<br />");
       my $result= <<SCANTRONFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
     <input type="hidden" name="command" value="scantron_configphase" />
     $default_form_data
   SCANTRONFORM
       $r->print($result);
   
       my @delayqueue;
       my %completedstudents;
       
       my $count=&get_todo_count($scanlines,$scan_data);
       my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status',
        'Scantron Progress',$count,
       'inline',undef,'scantronupload');
       &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,
     'Processing first student');
       my $start=&Time::HiRes::time();
       my $i=-1;
       my ($uname,$udom,$started);
       while ($i<$scanlines->{'count'}) {
     ($uname,$udom)=('','');
     $i++;
     my $line=&scantron_get_line($scanlines,$scan_data,$i);
     if ($line=~/^[\s\cz]*$/) { next; }
    if ($started) {
       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
        'last student');
    }
    $started=1;
     my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
     $scan_data);
     unless ($uname=&scantron_find_student($scan_record,$scan_data,
          \%idmap,$i)) {
        &scantron_add_delay(\@delayqueue,$line,
     'Unable to find a student that matches',1);
        next;
     }
     if (exists $completedstudents{$uname}) {
        &scantron_add_delay(\@delayqueue,$line,
     'Student '.$uname.' has multiple sheets',2);
        next;
     }
     ($uname,$udom)=split(/:/,$uname);
     &Apache::lonnet::delenv('form.counter');
     &Apache::lonnet::appenv(%$scan_record);
   
    my $i=0;
    foreach my $resource (@resources) {
       $i++;
       my %form=('submitted'     =>'scantron',
         'grade_target'  =>'grade',
         'grade_username'=>$uname,
         'grade_domain'  =>$udom,
         'grade_courseid'=>$ENV{'request.course.id'},
         'grade_symb'    =>$resource->symb());
       if (exists($scan_record->{'scantron.CODE'}) &&
    $scan_record->{'scantron.CODE'}) {
    $form{'CODE'}=$scan_record->{'scantron.CODE'};
       } else {
    $form{'CODE'}='';
       }
       my $result=&Apache::lonnet::ssi($resource->src(),%form);
       if (&Apache::loncommon::connection_aborted($r)) { last; }
    }
    $completedstudents{$uname}={'line'=>$line};
    if (&Apache::loncommon::connection_aborted($r)) { last; }
       } continue {
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonnet::delenv('scantron\.');
       }
       &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
   #    my $lasttime = &Time::HiRes::time()-$start;
   #    $r->print("<p>took $lasttime</p>");
   
       $navmap->untieHashes();
       $r->print("</form>");
       $r->print(&show_grading_menu_form($symb,$url));
       return '';
   }
   
   sub scantron_upload_scantron_data {
       my ($r)=@_;
       $r->print(&Apache::loncommon::coursebrowser_javascript($ENV{'request.role.domain'}));
       my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid',
     'domainid',
     'coursename');
       my $domsel=&Apache::loncommon::select_dom_form($ENV{'request.role.domain'},
      'domainid');
       my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
       $r->print(<<UPLOAD);
   <script type="text/javascript" language="javascript">
       function checkUpload(formname) {
    if (formname.upfile.value == "") {
       alert("Please use the browse button to select a file from your local directory.");
       return false;
    }
    formname.submit();
       }
   </script>
   
   <form enctype='multipart/form-data' action='/adm/grades' name='rules' method='post'>
   $default_form_data
   <table>
   <tr><td>$select_link </td></tr>
   <tr><td>Course ID:   </td><td><input name='courseid' type='text' />  </td></tr>
   <tr><td>Course Name: </td><td><input name='coursename' type='text' /></td></tr>
   <tr><td>Domain:      </td><td>$domsel                                </td></tr>
   <tr><td>File to upload:</td><td><input type="file" name="upfile" size="50" /></td></tr>
   </table>
   <input name='command' value='scantronupload_save' type='hidden' />
   <input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scantron Data" />
   </form>
   UPLOAD
       return '';
   }
   
   sub scantron_upload_scantron_data_save {
       my($r)=@_;
       my ($symb,$url)=&get_symb_and_url($r,1);
       my $doanotherupload=
    '<br /><form action="/adm/grades" method="post">'."\n".
    '<input type="hidden" name="command" value="scantronupload" />'."\n".
    '<input type="submit" name="submit" value="Do Another Upload" />'."\n".
    '</form>'."\n";
       if (!&Apache::lonnet::allowed('usc',$ENV{'form.domainid'}) &&
    !&Apache::lonnet::allowed('usc',
       $ENV{'form.domainid'}.'_'.$ENV{'form.courseid'})) {
    $r->print("You are not allowed to upload Scantron data to the requested course.<br />");
    if ($symb) {
       $r->print(&show_grading_menu_form($symb,$url));
    } else {
       $r->print($doanotherupload);
    }
    return '';
       }
   #    $r->print("Doing upload to ".$ENV{'form.courseid'}." <br />");
       my $home=&Apache::lonnet::homeserver($ENV{'form.courseid'},
    $ENV{'form.domainid'});
       my $fname=$ENV{'form.upfile.filename'};
       #FIXME
       #copied from lonnet::userfileupload()
       #make that function able to target a specified course
       # Replace Windows backslashes by forward slashes
       $fname=~s/\\/\//g;
       # Get rid of everything but the actual filename
       $fname=~s/^.*\/([^\/]+)$/$1/;
       # Replace spaces by underscores
       $fname=~s/\s+/\_/g;
       # Replace all other weird characters by nothing
       $fname=~s/[^\w\.\-]//g;
       # See if there is anything left
       unless ($fname) { return 'error: no uploaded file'; }
       my $uploadedfile=$fname;
       $fname='scantron_orig_'.$fname;
       if (length($ENV{'form.upfile'}) < 2) {
    $r->print("<font color='red'>Error:</font> The file you attempted to upload, <tt>".&HTML::Entities::encode($ENV{'form.upfile.filename'},'<>&"')."</tt>, contained no information. Please check that you entered the correct filename.");
       } else {
    my $result=&Apache::lonnet::finishuserfileupload($ENV{'form.courseid'},$ENV{'form.domainid'},$home,'upfile',$fname);
   # if ($result =~ m|^/uploaded/|) {
    if ($result !~ m|^/uploaded/|) {
   #    $r->print("<font color='green'>Success:</font> Successfully uploaded ".(length($ENV{'form.upfile'})-1)." bytes of data into location <tt>".$result."</tt>");
   # } else {
       $r->print("<font color='red'>Error:</font> An error (".$result.") occurred when attempting to upload the file, <tt>".&HTML::Entities::encode($ENV{'form.upfile.filename'},'<>&"')."</tt>");
    }
       }
       if ($symb) {
   # $r->print(&show_grading_menu_form($symb,$url));
    $r->print(&scantron_selectphase($r,$uploadedfile));
   
       } else {
    $r->print($doanotherupload);
       }
       return '';
   }
   
   sub valid_file {
       my ($requested_file)=@_;
       foreach my $filename (sort(&scantron_filenames())) {
    &Apache::lonnet::logthis("$requested_file  $filename");
    if ($requested_file eq $filename) { return 1; }
       }
       return 0;
   }
   
   sub scantron_download_scantron_data {
       my ($r)=@_;
       my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
       my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
       my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
       my $file=$ENV{'form.scantron_selectfile'};
       if (! &valid_file($file)) {
    $r->print(<<ERROR);
    <p>
       The requested file name was invalid.
           </p>
   ERROR
    $r->print(&show_grading_menu_form(&get_symb_and_url($r,1)));
    return;
       }
       my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
       my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file;
       my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file;
       &Apache::lonnet::allowuploaded('/adm/grades',$orig);
       &Apache::lonnet::allowuploaded('/adm/grades',$corrected);
       &Apache::lonnet::allowuploaded('/adm/grades',$skipped);
       $r->print(<<DOWNLOAD);
       <p>
    <a href="$orig">Original</a> file as uploaded by the scantron office.
       </p>
       <p>
    <a href="$corrected">Corrections</a>, a file of corrected records that were used in grading.
       </p>
       <p>
    <a href="$skipped">Skipped</a>, a file of records that were skipped.
       </p>
   DOWNLOAD
       $r->print(&show_grading_menu_form(&get_symb_and_url($r,1)));
       return '';
   }
   
   #-------- end of section for handling grading scantron forms -------
   #
   #-------------------------------------------------------------------
   
   
   #-------------------------- Menu interface -------------------------
   #
   #--- Show a Grading Menu button - Calls the next routine ---
   sub show_grading_menu_form {
       my ($symb,$url)=@_;
       my $result.='<br /><form action="/adm/grades" method="post">'."\n".
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".   '<input type="hidden" name="url" value="'.$url.'" />'."\n".
  '<input type="hidden" name="response" value="'.$response.'" />'."\n".   '<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
  '<input type="hidden" name="handgrade" value="'.$handgrade.'" />'."\n".   '<input type="hidden" name="command" value="gradingmenu" />'."\n".
  '<input type="hidden" name="showgrading" value="yes" />'."\n".   '<input type="submit" name="submit" value="Grading Menu" />'."\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";   '</form>'."\n";
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;      return $result;
 }  }
   
 #--- Form to input a receipt number ---  # -- Retrieve choices for grading form
 sub verifyReceipt_form {  sub savedState {
     my ($symb,$url) = @_;      my %savedState = ();
     my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};      if ($ENV{'form.saveState'}) {
     my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};   foreach (split(/:/,$ENV{'form.saveState'})) {
     my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});      my ($key,$value) = split(/=/,$_,2);
       $savedState{$key} = $value;
     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'}) {      return \%savedState;
  $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';  }
   
   #--- Displays the main menu page -------
   sub gradingmenu {
       my ($request) = @_;
       my ($symb,$url)=&get_symb_and_url($request);
       if (!$symb) {return '';}
       my $probTitle = &Apache::lonnet::gettitle($symb);
   
       $request->print(<<GRADINGMENUJS);
   <script type="text/javascript" language="javascript">
       function checkChoice(formname,val,cmdx) {
    if (val <= 2) {
       var cmd = radioSelection(formname.radioChoice);
       var cmdsave = cmd;
    } else {
       cmd = cmdx;
       cmdsave = 'submission';
    }
    formname.command.value = cmd;
    formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
       ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
    if (val < 5) formname.submit();
    if (val == 5) {
       if (!checkReceiptNo(formname,'notOK')) { return false;}
       formname.submit();
    }
     }      }
     $result.='</form>';  
     $result.='</td></tr></table>'."\n";      function checkReceiptNo(formname,nospace) {
     $result.='</td></tr></table>'."\n";   var receiptNo = formname.receipt.value;
    var checkOpt = false;
    if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
    if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
    if (checkOpt) {
       alert("Please enter a receipt number given by a student in the receipt box.");
       formname.receipt.value = "";
       formname.receipt.focus();
       return false;
    }
    return true;
       }
   </script>
   GRADINGMENUJS
       &commonJSfunctions($request);
       my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
       my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
       $result.=$table;
       my (undef,$sections) = &getclasslist('all','0');
       my $savedState = &savedState();
       my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
       my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
       my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
       my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
   
       $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
    '<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
    '<input type="hidden" name="url"         value="'.$url.'" />'."\n".
    '<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
    '<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
    '<input type="hidden" name="command"     value="" />'."\n".
    '<input type="hidden" name="saveState"   value="" />'."\n".
    '<input type="hidden" name="gradingMenu" value="1" />'."\n".
    '<input type="hidden" name="showgrading" value="yes" />'."\n";
   
       $result.='<table width="100%" border=0><tr><td bgcolor=#777777>'."\n".
    '<table width=100% border=0><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
    '&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
    '<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
   
       $result.='<table width="100%" border=0>';
       $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
    '&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
       if (ref($sections)) {
    foreach (sort (@$sections)) {
       $result.='<option value="'.$_.'" '.
    ($saveSec eq $_ ? 'selected="on"':'').'>'.$_.'</option>'."\n";
    }
       }
       $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
   
       $result.=&mt('Student Status').':</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
   
       if (ref($sections) && (grep /no/,@$sections)) {
    $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />';
       }
       $result.='</td></tr>';
   
       $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
    '<input type="radio" name="radioChoice" value="submission" '.
    ($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
    ' <select name="submitonly">'.
    '<option value="yes" '.
    ($saveSub eq 'yes' ? 'selected="on"' : '').'>with submissions</option>'.
    '<option value="graded" '.
    ($saveSub eq 'graded' ? 'selected="on"' : '').'>with ungraded submissions</option>'.
    '<option value="incorrect" '.
    ($saveSub eq 'incorrect' ? 'selected="on"' : '').'>with incorrect submissions</option>'.
    '<option value="all" '.
    ($saveSub eq 'all' ? 'selected="on"' : '').'>with any status</option></select></td></tr>'."\n";
   
       $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
    '<input type="radio" name="radioChoice" value="viewgrades" '.
    ($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
    '<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
   
       $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
    '<input type="radio" name="radioChoice" value="pickStudentPage" '.
    ($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
    'The <b>complete</b> set/page/sequence: For one student</td></tr>'."\n";
   
       $result.='<tr bgcolor="#ffffe6"><td><br />'.
    '<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
    '</td></tr></table>'."\n";
   
       $result.='</td><td valign="top">';
   
       $result.='<table width="100%" border=0>';
       $result.='<tr bgcolor="#ffffe6"><td>'.
    '<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="'.&mt('Upload').'" />'.
    ' '.&mt('scores from file').' </td></tr>'."\n";
   
       $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
    '<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
    '" value="'.&mt('Grade').'" /> scantron forms</td></tr>'."\n";
   
       if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb)) {
    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
       '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="'.&mt('Verify').'" />'.
       ' '.&mt('receipt').': '.
       &Apache::lonnet::recprefix($ENV{'request.course.id'}).
       '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')">'.
       '</td></tr>'."\n";
       } 
   
       $result.='</form></td></tr></table>'."\n".
    '</td></tr></table>'."\n".
    '</td></tr></table>'."\n";
     return $result;      return $result;
 }  }
   
 sub handler {  sub handler {
     my $request=$_[0];      my $request=$_[0];
       
       undef(%perm);
     if ($ENV{'browser.mathml'}) {      if ($ENV{'browser.mathml'}) {
  $request->content_type('text/xml');   &Apache::loncommon::content_type($request,'text/xml');
     } else {      } else {
  $request->content_type('text/html');   &Apache::loncommon::content_type($request,'text/html');
     }      }
     $request->send_http_header;      $request->send_http_header;
     return '' if $request->header_only;      return '' if $request->header_only;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
     my $url=$ENV{'form.url'};      my $url=$ENV{'form.url'};
     my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
     my $command=$ENV{'form.command'};      my @commands=&Apache::loncommon::get_env_multiple('form.command');
       my $command=$commands[0];
       if ($#commands > 0) {
    &Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands));
       }
     if (!$url) {      if (!$url) {
  my ($temp1,$temp2);   my ($temp1,$temp2);
  ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);   ($temp1,$temp2,$ENV{'form.url'})=&Apache::lonnet::decode_symb($symb);
  $url = $ENV{'form.url'};   $url = $ENV{'form.url'};
     }      }
     &send_header($request);      &send_header($request);
     if ($url eq '' && $symb eq '') {      if ($url eq '' && $symb eq '' && $command eq '') {
  if ($ENV{'user.adv'}) {   if ($ENV{'user.adv'}) {
     if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&      if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
  ($ENV{'form.codethree'})) {   ($ENV{'form.codethree'})) {
Line 2146  sub handler { Line 5019  sub handler {
  my ($tsymb,$tuname,$tudom,$tcrsid)=   my ($tsymb,$tuname,$tudom,$tcrsid)=
     &Apache::lonnet::checkin($token);      &Apache::lonnet::checkin($token);
  if ($tsymb) {   if ($tsymb) {
     my ($map,$id,$url)=split(/\_\_\_/,$tsymb);      my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb);
     if (&Apache::lonnet::allowed('mgr',$tcrsid)) {      if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
  $request->print(   $request->print(&Apache::lonnet::ssi_body('/res/'.$url,
  &Apache::lonnet::ssi('/res/'.$url,    ('grade_username' => $tuname,
      ('grade_username' => $tuname,     'grade_domain' => $tudom,
       'grade_domain' => $tudom,     'grade_courseid' => $tcrsid,
       'grade_courseid' => $tcrsid,     'grade_symb' => $tsymb)));
       'grade_symb' => $tsymb)));  
     } else {      } else {
  $request->print('<h2>Not authorized: '.$token.'</h2>');   $request->print('<h3>Not authorized: '.$token.'</h3>');
     }                 }
  } else {   } else {
     $request->print('<h2>Not a valid DocID: '.$token.'</h2>');      $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
  }   }
     } else {      } else {
  $request->print(&Apache::lonxml::tokeninputfield());   $request->print(&Apache::lonxml::tokeninputfield());
     }      }
  }   }
     } else {      } else {
  #&Apache::lonhomework::showhashsubset(\%ENV,'^form');   if (!($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}))) {
  $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});      if ($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
  if ($command eq 'submission') {   $perm{'vgr_section'}=$ENV{'request.course.sec'};
     &listStudents($request) if ($ENV{'form.student'} eq '');      } else {
     &submission($request,0,0) if ($ENV{'form.student'} ne '');   delete($perm{'vgr'});
  } elsif ($command eq 'processGroup') {      }
    }
    if (!($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) {
       if ($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
    $perm{'mgr_section'}=$ENV{'request.course.sec'};
       } else {
    delete($perm{'mgr'});
       }
    }
    if ($command eq 'submission' && $perm{'vgr'}) {
       ($ENV{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
    } elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
       &pickStudentPage($request);
    } elsif ($command eq 'displayPage' && $perm{'vgr'}) {
       &displayPage($request);
    } elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
       &updateGradeByPage($request);
    } elsif ($command eq 'processGroup' && $perm{'vgr'}) {
     &processGroup($request);      &processGroup($request);
  } elsif ($command eq 'gradingmenu') {   } elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
     $request->print(&gradingmenu($request));      $request->print(&gradingmenu($request));
  } elsif ($command eq 'viewgrades') {   } elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
     $request->print(&viewgrades($request));      $request->print(&viewgrades($request));
  } elsif ($command eq 'handgrade') {   } elsif ($command eq 'handgrade' && $perm{'mgr'}) {
     $request->print(&processHandGrade($request));      $request->print(&processHandGrade($request));
  } elsif ($command eq 'editgrades') {   } elsif ($command eq 'editgrades' && $perm{'mgr'}) {
     $request->print(&editgrades($request));      $request->print(&editgrades($request));
  } elsif ($command eq 'verify') {   } elsif ($command eq 'verify' && $perm{'vgr'}) {
     $request->print(&verifyreceipt($request));      $request->print(&verifyreceipt($request));
  } elsif ($command eq 'csvupload') {   } elsif ($command eq 'csvform' && $perm{'mgr'}) {
       $request->print(&upcsvScores_form($request));
    } elsif ($command eq 'csvupload' && $perm{'mgr'}) {
     $request->print(&csvupload($request));      $request->print(&csvupload($request));
  } elsif ($command eq 'viewclasslist') {   } elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
     $request->print(&viewclasslist($request));  
  } elsif ($command eq 'csvuploadmap') {  
     $request->print(&csvuploadmap($request));      $request->print(&csvuploadmap($request));
  } elsif ($command eq 'csvuploadassign') {   } elsif ($command eq 'csvuploadassign' && $perm{'mgr'}) {
     if ($ENV{'form.associate'} ne 'Reverse Association') {      if ($ENV{'form.associate'} ne 'Reverse Association') {
  $request->print(&csvuploadassign($request));   $request->print(&csvuploadassign($request));
     } else {      } else {
Line 2199  sub handler { Line 5088  sub handler {
  }   }
  $request->print(&csvuploadmap($request));   $request->print(&csvuploadmap($request));
     }      }
  } else {   } elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
     $request->print("Unknown action: $command:");      $request->print(&scantron_selectphase($request));
     } elsif ($command eq 'scantron_warning' && $perm{'mgr'}) {
        $request->print(&scantron_do_warning($request));
    } elsif ($command eq 'scantron_validate' && $perm{'mgr'}) {
       $request->print(&scantron_validate_file($request));
    } elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
       $request->print(&scantron_process_students($request));
     } elsif ($command eq 'scantronupload' && 
     (&Apache::lonnet::allowed('usc',$ENV{'request.role.domain'})||
     &Apache::lonnet::allowed('usc',$ENV{'request.course.id'}))) {
        $request->print(&scantron_upload_scantron_data($request)); 
     } elsif ($command eq 'scantronupload_save' &&
     (&Apache::lonnet::allowed('usc',$ENV{'request.role.domain'})||
     &Apache::lonnet::allowed('usc',$ENV{'request.course.id'}))) {
        $request->print(&scantron_upload_scantron_data_save($request));
     } elsif ($command eq 'scantron_download' &&
    &Apache::lonnet::allowed('usc',$ENV{'request.course.id'})) {
        $request->print(&scantron_download_scantron_data($request));
    } elsif ($command) {
       $request->print("Access Denied ($command)");
  }   }
     }      }
     &send_footer($request);      &send_footer($request);
Line 2215  sub send_header { Line 5123  sub send_header {
 #remotewindow=open('','homeworkremote');  #remotewindow=open('','homeworkremote');
 #remotewindow.close();  #remotewindow.close();
 #</script>");   #</script>"); 
     $request->print('<body bgcolor="#FFFFFF">');      $request->print(&Apache::loncommon::bodytag('Grading'));
       $request->rflush();
 }  }
   
 sub send_footer {  sub send_footer {
     my ($request)= @_;      my ($request)= @_;
     $request->print('</body>');      $request->print('</body></html>');
     $request->print(&Apache::lontexconvert::footer());  
 }  }
   
 1;  1;
Removed from v.1.44  
changed lines
  Added in v.1.204.2.9

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