Diff for /loncom/homework/grades.pm between versions 1.42 and 1.125

version 1.42, 2002/07/26 20:28:42 version 1.125, 2003/07/25 20:35:40
Line 30 Line 30
 # 7/26 H.K. Ng  # 7/26 H.K. Ng
 # 8/20 Gerd Kortemeyer  # 8/20 Gerd Kortemeyer
 # Year 2002  # Year 2002
 # June, July 2002 H.K. Ng  # June-August H.K. Ng
   # 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 Time::HiRes qw( gettimeofday tv_interval );  use String::Similarity;
   
 sub moreinfo {  my %oldessays=();
     my ($request,$reason) = @_;  my %perm=();
     $request->print("Unable to process request: $reason");  
     if ( $Apache::grades::viewgrades eq 'F' ) {  
  $request->print('<form action="/adm/grades" method="post">'."\n");  
  if ($ENV{'form.url'}) {  
     $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />'."\n");  
  }  
  if ($ENV{'form.symb'}) {  
     $request->print('<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />'."\n");  
  }  
 #    $request->print('<input type="hidden" name="command" value="submission" />'."\n");  
  $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'" />'."\n");  
  $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'" />'."<br />\n");  
  $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'" />'."<br />\n");  
  $request->print('<input type="submit" name="submit" value="ReSubmit" />'."<br />\n");  
  $request->print('</form>');  
     }  
     return '';  
 }  
   
 sub verifyreceipt {  # ----- These first few routines are general use routines.----
     my $request=shift;  #
     my $courseid=$ENV{'request.course.id'};  # --- Retrieve the parts that matches stores_\d+ from the metadata file.---
 #    my $cdom=$ENV{"course.$courseid.domain"};  sub getpartlist {
 #    my $cnum=$ENV{"course.$courseid.num"};      my ($url) = @_;
     my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.      my @parts =();
  $ENV{'form.receipt'};      my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
     $receipt=~s/[^\-\d]//g;      foreach my $key (@metakeys) {
     my $symb=$ENV{'form.symb'};   if ( $key =~ m/stores_(\w+)_.*/) {
     unless ($symb) {      push(@parts,$key);
  $symb=&Apache::lonnet::symbread($ENV{'form.url'});   }
     }  
     if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) {  
         $request->print('<h1>Verifying Submission Receipt '.$receipt.'</h1>');  
         my $matches=0;  
         my ($classlist) = &getclasslist('all','0');  
         foreach my $student ( sort(@{ $$classlist{'all'} }) ) {  
             my ($uname,$udom)=split(/\:/,$student);  
             if ($receipt eq   
  &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {  
  $request->print('Matching '.$student.'<br>');  
  $matches++;  
    }  
         }  
         $request->printf('<p>'.$matches." match%s</p>",$matches <= 1 ? '' : 'es');  
 # needs to print who is matched  
     }      }
     return '';      return @parts;
 }  }
   
 sub student_gradeStatus {  # --- Get the symbolic name of a problem and the url
     my ($url,$udom,$uname,$partlist) = @_;  sub get_symb_and_url {
       my ($request) = @_;
       (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));      my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
     my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);      if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
     my %partstatus = ();      return ($symb,$url);
     foreach (@$partlist) {  
  my ($status,$foo)=split(/_/,$record{"resource.$_.solved"},2);  
  $status = 'nothing' if ($status eq '');  
  $partstatus{$_} = $status;  
  $partstatus{"resource.$_.submitted_by"} = $record{"resource.$_.submitted_by"}   
  if ($record{"resource.$_.submitted_by"} ne '');  
     }  
     return %partstatus;  
 }  }
   
   # --- Retrieve the fullname for a user. Return lastname, first middle ---
   # --- Generation is attached next to the lastname if it exists. ---
 sub get_fullname {  sub get_fullname {
     my ($uname,$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;
 }  }
   
   #--- Get the partlist and the response type for a given problem. ---
   #--- 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');
 #    print "allkeys=>$allkeys<br>";  
     my %seen = ();      my %seen = ();
     my (@partlist,%handgrade);      my (@partlist,%handgrade);
     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {      foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
  if (/^\w+response_\d{1,2}.*/) {   if (/^\w+response_\w+.*/) {
     my ($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');      $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
   #    my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
   #    $handgrade{$part} = $responsetype.':'.($value eq 'yes' ? 'yes' : 'no'); #a bug $value is 'yes' regardless
       $handgrade{$part} = $responsetype.':'.(($allkeys =~ /parameter_$part\_handgrade/) ? 'yes' : 'no');
     next if ($seen{$partid} > 0);      next if ($seen{$partid} > 0);
     $seen{$partid}++;      $seen{$partid}++;
     push @partlist,$partid;      push @partlist,$partid;
Line 143  sub response_type { Line 120  sub response_type {
     return \@partlist,\%handgrade;      return \@partlist,\%handgrade;
 }  }
   
   #--- Show resource title
   #--- and parts and response type
   sub showResourceInfo {
       my ($url,$probTitle) = @_;
       my $result ='<table border="0">'.
    '<tr><td colspan=3><font size=+1><b>Current Resource: </b>'.$probTitle.'</font></td></tr>'."\n";
       my ($partlist,$handgrade) = &response_type($url);
       my %resptype = (); #,$hdgrade)=('','no');
       my $hdgrade='no';
       for (sort keys(%$handgrade)) {
    my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
    my $partID = (split(/_/))[0];
    $resptype{$partID} = $responsetype;
    $hdgrade = $handgrade if ($handgrade eq 'yes');
    $result.='<tr><td><b>Part </b>'.$partID.'</td>'.
       '<td><b>Type: </b>'.$responsetype.'</td></tr>';
   #    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
       }
       $result.='</table>'."\n";
       return $result,\%resptype,$hdgrade,$partlist,$handgrade;
   }
   
   #--- Clean response type for display
   #--- Currently filters option response type only.
   sub cleanRecord {
       my ($answer,$response,$symb) = @_;
       if ($response eq 'option') {
    my (@IDs,@ans);
    foreach (split(/\&/,&Apache::lonnet::unescape($answer))) {
       my ($optionID,$ans) = split(/=/);
       push @IDs,$optionID.'</font>';
       push @ans,$ans;
    }
    my $grayFont = '<font color="#999999">';
    return '<table border="1">'.
       '<tr valign="top"><td>Answer</td><td>'.
       (join '</td><td>',@ans).'</td></tr>'.
       '<tr valign="top"><td>'.$grayFont.'Option ID</font></td><td>'.$grayFont.
       (join '</td><td>'.$grayFont,@IDs).'</font></td></tr>'.
       '</table>';
       }
       if ($response eq 'essay') {
    if (! exists ($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.
    }
    return &keywords_highlight($answer);
       }
       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 {
       if (selectOne.selected) return selectOne.value;
    }
       }
   </script>
   COMMONJSFUNCTIONS
   }
   
   #--- Dumps the class list with usernames,list of sections,
   #--- section, ids and fullnames for each user.
   sub getclasslist {
       my ($getsec,$filterlist) = @_;
       $getsec = $getsec eq '' ? 'all' : $getsec;
       my $classlist=&Apache::loncoursedata::get_classlist();
       # Bail out if we were unable to get the classlist
       return if (! defined($classlist));
       #
       my %sections;
       my %fullnames;
       foreach (keys(%$classlist)) {
           # the following undefs are for 'domain', and 'username' respectively.
    my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
               @{$classlist->{$_}};
    # filter students according to status selected
    if ($filterlist && $ENV{'form.Status'} ne 'Any') {
       if ($ENV{'form.Status'} ne $status) {
    delete ($classlist->{$_});
    next;
       }
    }
    $section = ($section ne '' ? $section : 'no');
    if (&canview($section)) {
       if ($getsec eq 'all' || $getsec eq $section) {
    $sections{$section}++;
    $fullnames{$_}=$fullname;
       } else {
    delete($classlist->{$_});
       }
    } else {
       delete($classlist->{$_});
    }
       }
       my %seen = ();
       my @sections = sort(keys(%sections));
       return ($classlist,\@sections,\%fullnames);
   }
   
   sub canmodify {
       my ($sec)=@_;
       if ($perm{'mgr'}) {
    if (!defined($perm{'mgr_section'})) {
       # can modify whole class
       return 1;
    } else {
       if ($sec eq $perm{'mgr_section'}) {
    #can modify the requested section
    return 1;
       } else {
    # can't modify the request section
    return 0;
       }
    }
       }
       #can't modify
       return 0;
   }
   
   sub canview {
       my ($sec)=@_;
       if ($perm{'vgr'}) {
    if (!defined($perm{'vgr_section'})) {
       # can modify whole class
       return 1;
    } else {
       if ($sec eq $perm{'vgr_section'}) {
    #can modify the requested section
    return 1;
       } else {
    # can't modify the request section
    return 0;
       }
    }
       }
       #can't modify
       return 0;
   }
   
   #--- Retrieve the grade status of a student for all the parts
   sub student_gradeStatus {
       my ($url,$symb,$udom,$uname,$partlist) = @_;
       my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
       my %partstatus = ();
       foreach (@$partlist) {
    my ($status,$foo)    = split(/_/,$record{"resource.$_.solved"},2);
    $status              = 'nothing' if ($status eq '');
    $partstatus{$_}      = $status;
    my $subkey           = "resource.$_.submitted_by";
    $partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
       }
       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 --------------------
   
   #
   # 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
   #
   #--- Check whether a receipt number is valid.---
   sub verifyreceipt {
       my $request  = shift;
   
       my $courseid = $ENV{'request.course.id'};
       my $receipt  = unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
    $ENV{'form.receipt'};
       $receipt     =~ s/[^\-\d]//g;
       my $url      = $ENV{'form.url'};
       my $symb     = $ENV{'form.symb'};
       unless ($symb) {
    $symb    = &Apache::lonnet::symbread($url);
       }
   
       my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
    $receipt.'</h3></font>'."\n".
    '<font size=+1><b>Resource: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\n";
   
       my ($string,$contents,$matches) = ('','',0);
       my (undef,undef,$fullname) = &getclasslist('all','0');
   
       foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
    my ($uname,$udom)=split(/\:/);
    if ($receipt eq 
       &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
       $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
    '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
    '\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
    '<td>&nbsp;'.$uname.'&nbsp;</td>'.
    '<td>&nbsp;'.$udom.'&nbsp;</td></tr>'."\n";
       
       $matches++;
    }
       }
       if ($matches == 0) {
    $string = $title.'No match found for the above receipt.';
       } else {
    $string = &jscriptNform($url,$symb).$title.
       'The above receipt matches the following student'.
       ($matches <= 1 ? '.' : 's.')."\n".
       '<table border="0"><tr><td bgcolor="#777777">'."\n".
       '<table border="0"><tr bgcolor="#e6ffff">'."\n".
       '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
       '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
       '<td><b>&nbsp;Domain&nbsp;</b></td></tr>'."\n".
       $contents.
       '</table></td></tr></table>'."\n";
       }
       return $string.&show_grading_menu_form($symb,$url);
   }
   
   #--- This is called by a number of programs.
   #--- Called from the Grading Menu - View/Grade an individual student
   #--- Also called directly when one clicks on the subm button 
   #    on the problem page.
 sub listStudents {  sub listStudents {
     my ($request) = shift;      my ($request) = shift;
     my $cdom      =$ENV{"course.$ENV{'request.course.id'}.domain"};  
     my $cnum      =$ENV{"course.$ENV{'request.course.id'}.num"};  
     my $getsec    =$ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};  
     my $submitonly=$ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};  
   
     my $result='<h2><font color="#339933">&nbsp;View Submissions for a Student or a Group of Students</font></h2>';      my ($symb,$url) = &get_symb_and_url($request);
     $result.='<table border="0">';      my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
     $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font></td></tr>';      my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});      my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
     for (sort keys(%$handgrade)) {      my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});  
  $ENV{'form.handgrade'} = 'yes' if ($handgrade eq 'yes');      my $viewgrade = $ENV{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
  $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.      $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
     '<td><b>Type: </b>'.$responsetype.'</td>'.   &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';  
       my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
    ' Submissions for a Student or a Group of Students</font></h3>';
   
       my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'});
       $result.=$table;
   
       $request->print(<<LISTJAVASCRIPT);
   <script type="text/javascript" language="javascript">
       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 $viewgrade 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 $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".
    '&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
    '<input type="radio" name="vProb" value="yes" /> one student '."\n".
    '<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
    '&nbsp;<b>Submissions: </b>'."\n";
       if ($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 sub only'."\n".
    '<input type="radio" name="lastSub" value="last" /> last sub & 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");  
           $gradeTable.='To '.lc($viewgrade).' a submission, click on the check box next to the student\'s name. Then '."\n".
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($getsec,'0');   'click on the '.$viewgrade.' button. To view the submissions for a group of students, click'."\n".
        ' on the check boxes for the group of students.<br />'."\n".
     $result='<table border="0"><tr><td bgcolor="#777777">'.   '<input type="hidden" name="command" value="processGroup" />'."\n";
  '<table border="0"><tr bgcolor="#e6ffff">'.      $gradeTable.='<input type="button" '."\n".
  '<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Username&nbsp;</b></td>'.   'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
  '<td><b>&nbsp;Fullname&nbsp;</b></td><td><b>&nbsp;Domain&nbsp;</b></td>';   'value="'.$viewgrade.'" />'."\n";
     foreach (sort(@$partlist)) {  
  $result.='<td><b>&nbsp;Part ID '.$_.' 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) {
    $gradeTable.='<td><b>&nbsp;Select&nbsp;</b></td><td><b>&nbsp;Fullname&nbsp;</b>'.
       '<font color="#999999">(Username)</font>&nbsp;</td>';
    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
       foreach (sort(@$partlist)) {
    $gradeTable.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
       }
    }
    $loop++;
     }      }
     $request->print($result.'</tr>'."\n");      $gradeTable.='</tr>'."\n";
   
     foreach my $student (sort(@{ $$classlist{$getsec} }) ) {      my $ctr = 0;
       foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  my ($uname,$udom) = split(/:/,$student);   my ($uname,$udom) = split(/:/,$student);
  my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist);   my %status = ();
  my $statusflg = '';   if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
  foreach (keys(%status)) {      (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
     $statusflg = 1 if ($status{$_} ne 'nothing');      my $statusflg = '';
     my ($foo,$partid,$foo) = split(/\./,$_);      foreach (keys(%status)) {
     if ($status{'resource.'.$partid.'.submitted_by'} ne '') {   $statusflg = 1 if ($status{$_} ne 'nothing');
  $statusflg = '';   my ($foo,$partid,$foo1) = split(/\./,$_);
  $request->print('<input type="hidden" name="'.   if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
  $student.':submitted_by" value="'.      $statusflg = '';
  $status{'resource.'.$partid.'.submitted_by'}.'" />');      $gradeTable.='<input type="hidden" name="'.
     }   $student.':submitted_by" value="'.
  }   $status{'resource.'.$partid.'.submitted_by'}.'" />';
  next if ($statusflg eq '' && $submitonly eq 'yes');   }
       }
  if ( $Apache::grades::viewgrades eq 'F' ) {      next if ($statusflg eq '' && $submitonly eq 'yes');
     $result='<tr bgcolor="#ffffe6">'.   }
  '<td align="center"><input type=checkbox name="stuinfo" value="'.  
  $student.':'.$$fullname{$student}.'"></td>'."\n".   $ctr++;
  '<td>&nbsp;'.$uname.'&nbsp;</td>'."\n".   if ( $perm{'vgr'} eq 'F' ) {
  '<td>&nbsp;'.$$fullname{$student}.'&nbsp;</td>'."\n".      $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
  '<td align="middle">&nbsp;'.$udom.'&nbsp;</td>'."\n";      $gradeTable.='<td align="center"><input type=checkbox name="stuinfo" value="'.
        $student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
     foreach (sort keys(%status)) {   '<td>&nbsp;'.$$fullname{$student}.'&nbsp;'."\n".
  next if (/^resource.*?submitted_by$/);   '<font color="#999999">('.$uname.')</font></td>'."\n";
  $result.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";  
       if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
    foreach (sort keys(%status)) {
       next if (/^resource.*?submitted_by$/);
       $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
    }
     }      }
     $request->print($result.'</tr>'."\n");      $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
  }   }
     }      }
     $request->print('</table></td></tr></table>');      if ($ctr%2 ==1) {
     $request->print('<input type="submit" name="submit" value="View/Grade" /><form />');   $gradeTable.='<td>&nbsp;</td><td>&nbsp;</td>';
       if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
    foreach (@$partlist) {
       $gradeTable.='<td>&nbsp;</td>';
    }
       }
    $gradeTable.='</tr>';
       }
   
       $gradeTable.='</table></td></tr></table>'.
    '<input type="button" '.
    'onClick="javascript:checkSelect(this.form.stuinfo);" '.
    'value="'.$viewgrade.'" /></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 {
       $gradeTable='<br />&nbsp;<font color="red">'.
    'No submissions found for this resource for any students. ('.$num_students.
    ' checked for submissions</font><br />';
    }
       } elsif ($ctr == 1) {
    $gradeTable =~ s/type=checkbox/type=checkbox checked/;
       }
       $gradeTable.=&show_grading_menu_form($symb,$url);
       $request->print($gradeTable);
       return '';
 }  }
   
   #---- Called from the listStudents routine
   #     Displays the submissions for one student or a group of students
 sub processGroup {  sub processGroup {
     my ($request)  = shift;      my ($request)  = shift;
     my $ctr        = 0;      my $ctr        = 0;
     my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}      my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
       : ($ENV{'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;
  $ENV{'form.fullname'} = $fullname;   $ENV{'form.userdom'}        = $udom;
    $ENV{'form.fullname'}       = $fullname;
  &submission($request,$ctr,$total);   &submission($request,$ctr,$total);
  $ctr++;   $ctr++;
     }      }
     return '';      return '';
 }  }
   
 sub userError {  #------------------------------------------------------------------------------------
     my ($request, $reason, $step) = @_;  #
     $request->print('<h3><font color="red">LON-CAPA User Error</font></h3><br />'."\n");  #-------------------------- Next few routines handles grading by student, essentially
     $request->print('<b>Reason: </b>'.$reason.'<br /><br />'."\n");  #                           handles essay response type problem/part
     $request->print('<b>Step: </b>'.($step ne '' ? $step : 'Use your browser back button to correct')  #
     .'<br /><br />'."\n");  #--- Javascript to handle the submission page functionality ---
     return '';  sub sub_page_js {
 }      my $request = shift;
       $request->print(<<SUBJAVASCRIPT);
   <script type="text/javascript" language="javascript">
       function updateRadio(formname,id,weight) {
    var gradeBox = formname["GD_BOX"+id];
    var radioButton = formname["RADVAL"+id];
    var oldpts = formname["oldpts"+id].value;
    var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
    gradeBox.value = pts;
    var resetbox = false;
    if (isNaN(pts) || pts < 0) {
       alert("A number equal or greater than 0 is expected. Entered value = "+pts);
       for (var i=0; i<radioButton.length; i++) {
    if (radioButton[i].checked) {
       gradeBox.value = i;
       resetbox = true;
    }
       }
       if (!resetbox) {
    formtextbox.value = "";
       }
       return;
    }
   
 #FIXME - needs to handle multiple matches   if (pts > weight) {
 sub finduser {      var resp = confirm("You entered a value ("+pts+
     my ($name) = @_;         ") greater than the weight for the part. Accept?");
     my $domain = '';      if (resp == false) {
     if ( $Apache::grades::viewgrades eq 'F' ) {   gradeBox.value = oldpts;
  my ($classlist) = &getclasslist('all','0');   return;
  foreach ( sort(@{ $$classlist{'all'} }) ) {      }
     my ($posname,$posdomain) = split(/:/);  
     if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }  
  }   }
  return ($name,$domain);  
     } else {   for (var i=0; i<radioButton.length; i++) {
  return ($ENV{'user.name'},$ENV{'user.domain'});      radioButton[i].checked=false;
       if (pts == i && pts != "") {
    radioButton[i].checked=true;
       }
    }
    updateSelect(formname,id);
    formname["stores"+id].value = "0";
     }      }
 }  
   
 sub getclasslist {      function writeBox(formname,id,pts) {
     my ($getsec,$hideexpired) = @_;   var gradeBox = formname["GD_BOX"+id];
     my $now = time;   if (checkSolved(formname,id) == 'update') {
     my %classlist=&Apache::lonnet::dump('classlist',      gradeBox.value = pts;
  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},   } else {
  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});      var oldpts = formname["oldpts"+id].value;
     my (@holdsec,@sections,%allids,%stusec,%fullname);      gradeBox.value = oldpts;
     foreach (keys(%classlist)) {      var radioButton = formname["RADVAL"+id];
  my ($end,$start,$id,$section,$fullname)=split(/:/,$classlist{$_});      for (var i=0; i<radioButton.length; i++) {
        # still a student?   radioButton[i].checked=false;
  if (($hideexpired) && ($end) && ($end < $now)) {   if (i == oldpts) {
     next;      radioButton[i].checked=true;
    }
       }
  }   }
  $section = ($section ne '' ? $section : 'no');   formname["stores"+id].value = "0";
  push @holdsec,$section;   updateSelect(formname,id);
  if ($getsec eq 'all' || $getsec eq $section) {   return;
     push (@{ $classlist{$getsec} }, $_);      }
     $allids{$_}=$id;  
     $stusec{$_}=$section;      function clearRadBox(formname,id) {
     $fullname{$_}=$fullname;   if (checkSolved(formname,id) == 'noupdate') {
       updateSelect(formname,id);
       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;
     }      }
     my %seen = ();  
     foreach my $item (@holdsec) {      function checkSolved(formname,id) {
  push (@sections, $item) unless $seen{$item}++;   if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
       var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
       if (!reply) {return "noupdate";}
       formname.overRideScore.value = 'yes';
    }
    return "update";
     }      }
     return (\%classlist,\@sections,\%allids,\%stusec,\%fullname);  
 }  
   
 sub getpartlist {      function updateSelect(formname,id) {
     my ($url) = @_;   formname["GD_SEL"+id][0].selected = true;
     my @parts =();   return;
     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));      }
     foreach my $key (@metakeys) {  
  if ( $key =~ m/stores_([0-9]+)_.*/) {  //=========== Check that a point is assigned for all the parts  ============
     push(@parts,$key);      function checksubmit(formname,val,total,parttot) {
    formname.gradeOpt.value = val;
    if (val == "Save & Next") {
       for (i=0;i<=total;i++) {
    for (j=0;j<parttot;j++) {
       var partid = formname["partid"+i+"_"+j].value;
       var selopt = formname["GD_SEL"+i+"_"+partid];
       if (selopt[0].selected) {
    var points = formname["GD_BOX"+i+"_"+partid].value;
    if (points == "") {
       var name = formname["name"+i].value;
       var resp = confirm("You did not assign a score for "+name+", 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();
       }
   
   //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
       function checkSubmitPage(formname,total) {
    noscore = new Array(100);
    var ptr = 0;
    for (i=1;i<total;i++) {
       var partid = formname["q_"+i].value;
       var selopt = formname["GD_SEL"+i+"_"+partid];
       if (selopt[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();
     }      }
     return @parts;  </script>
   SUBJAVASCRIPT
 }  }
   
 sub print_hash {  #--- javascript for essay type problem --
     my ($request, $hash) = @_;  sub sub_page_kw_js {
     $request->print('<table border=1><tr><td>Key</td><td>Value</td></tr>');      my $request = shift;
     for (sort keys (%$hash)) {      my $iconpath = $request->dir_config('lonIconsURL');
  $request->print('<tr><td>'.$_.'</td><td>'.$$hash{$_}.'&nbsp;</td></tr>');      &commonJSfunctions($request);
       $request->print(<<SUBJAVASCRIPT);
   <script type="text/javascript" language="javascript">
   
   //===================== Show list of keywords ====================
     function keywords(formname) {
       var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
       if (nret==null) return;
       formname.keywords.value = nret;
   
       formname.refresh.value = "on";
       if (formname.keywords.value != "") {
    formname.submit();
     }      }
     $request->print('</table>');      return;
     return '';    }
   
   //===================== Script to view submitted by ==================
     function viewSubmitter(submitter) {
       document.SCORE.refresh.value = "on";
       document.SCORE.NCT.value = "1";
       document.SCORE.unamedom0.value = submitter;
       document.SCORE.submit();
       return;
     }
   
   //===================== Script to add keyword(s) ==================
     function getSel() {
       if (document.getSelection) txt = document.getSelection();
       else if (document.selection) txt = document.selection.createRange().text;
       else return;
       var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
       if (cleantxt=="") {
    alert("Please select a word or group of words from document and then click this link.");
    return;
       }
       var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
       if (nret==null) return;
       var curlist = document.SCORE.keywords.value;
       document.SCORE.keywords.value = curlist+" "+nret;
       document.SCORE.refresh.value = "on";
       if (document.SCORE.keywords.value != "") {
    document.SCORE.submit();
       }
       return;
     }
   
   //====================== 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) {
       var Nmsg  = msgform.savemsgN.value;
       savedMsgHeader(Nmsg,usrctr,fullname);
       var subject = msgform.msgsub.value;
       var rtrchk  = document.SCORE["includemsg"+usrctr];
       var msgchk = rtrchk.value;
       re = /msgsub/;
       var shwsel = "";
       if (re.test(msgchk)) { shwsel = "checked" }
       subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
       displaySubject(checkEntities(subject),shwsel);
       for (var i=1; i<=Nmsg; i++) {
    var testmsg = "savemsg"+i+",";
    re = new RegExp(testmsg,"g");
    shwsel = "";
    if (re.test(msgchk)) { shwsel = "checked" }
    var message = document.SCORE["savemsg"+i].value;
    var shownOnce = document.SCORE["shownOnce"+i].value;
    message = (shownOnce == 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 = document.SCORE["newmsg"+usrctr].value;
       shwsel = "";
       re = /newmsg/;
       if (re.test(msgchk)) { shwsel = "checked" }
       newMsg(newmsg,shwsel);
       msgTail(); 
       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) {
       var height = 70*Nmsg+250;
       var scrollbar = "no";
       if (height > 600) {
    height = 600;
    scrollbar = "yes";
       }
   //    if (window.pWin) {window.pWin.close(); window.pWin=null}
       var xpos = (screen.width-600)/2;
       xpos = (xpos < 0) ? '0' : xpos;
       var ypos = (screen.height-height)/2-30;
       ypos = (ypos < 0) ? '0' : ypos;
   
       pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
       pWin.focus();
       pDoc = pWin.document;
       pDoc.write("<html><head>");
       pDoc.write("<title>Message Central</title>");
   
       pDoc.write("<script language=javascript>");
       pDoc.write("function checkInput() {");
       pDoc.write("  opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);");
       pDoc.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
       pDoc.write("  var usrctr = document.msgcenter.usrctr.value;");
       pDoc.write("  var newval = opener.document.SCORE[\\"newmsg\\"+usrctr];");
       pDoc.write("  newval.value = opener.checkEntities(document.msgcenter.newmsg.value);");
   
       pDoc.write("  var msgchk = \\"\\";");
       pDoc.write("  if (document.msgcenter.subchk.checked) {");
       pDoc.write("     msgchk = \\"msgsub,\\";");
       pDoc.write("  }");
       pDoc.write("  var includemsg = 0;");
       pDoc.write("  for (var i=1; i<=nmsg; i++) {");
       pDoc.write("      var opnmsg = opener.document.SCORE[\\"savemsg\\"+i];");
       pDoc.write("      var frmmsg = document.msgcenter[\\"msg\\"+i];");
       pDoc.write("      opnmsg.value = opener.checkEntities(frmmsg.value);");
       pDoc.write("      var showflg = opener.document.SCORE[\\"shownOnce\\"+i];");
       pDoc.write("      showflg.value = \\"1\\";");
       pDoc.write("      var chkbox = document.msgcenter[\\"msgn\\"+i];");
       pDoc.write("      if (chkbox.checked) {");
       pDoc.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
       pDoc.write("         includemsg = 1;");
       pDoc.write("      }");
       pDoc.write("  }");
       pDoc.write("  if (document.msgcenter.newmsgchk.checked) {");
       pDoc.write("     msgchk += \\"newmsg\\"+usrctr;");
       pDoc.write("     includemsg = 1;");
       pDoc.write("  }");
       pDoc.write("  imgformname = opener.document.SCORE[\\"mailicon\\"+usrctr];");
       pDoc.write("  imgformname.src = \\"$iconpath/\\"+((includemsg) ? \\"mailto.gif\\" : \\"mailbkgrd.gif\\");");
       pDoc.write("  var includemsg = opener.document.SCORE[\\"includemsg\\"+usrctr];");
       pDoc.write("  includemsg.value = msgchk;");
   
       pDoc.write("  self.close()");
   
       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) {
 # --------------------------- show submissions of a student, option to grade --------      pDoc = pWin.document;
       pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
       pDoc.write("<td>Subject</td>");
       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) {
       pDoc = pWin.document;
       pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
       pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
       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) {
       pDoc = pWin.document;
       pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
       pDoc.write("<td align=\\"center\\">New</td>");
       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() {
       pDoc = pWin.document;
       pDoc.write("</table>");
       pDoc.write("</td></tr></table>&nbsp;");
       pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
       pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       pDoc.write("</form>");
       pDoc.write("</body></html>");
   }
   
   //====================== Script for keyword highlight options ==============
     function kwhighlight() {
       var kwclr    = document.SCORE.kwclr.value;
       var kwsize   = document.SCORE.kwsize.value;
       var kwstyle  = document.SCORE.kwstyle.value;
       var redsel = "";
       var grnsel = "";
       var blusel = "";
       if (kwclr=="red")   {var redsel="checked"};
       if (kwclr=="green") {var grnsel="checked"};
       if (kwclr=="blue")  {var blusel="checked"};
       var sznsel = "";
       var sz1sel = "";
       var sz2sel = "";
       if (kwsize=="0")  {var sznsel="checked"};
       if (kwsize=="+1") {var sz1sel="checked"};
       if (kwsize=="+2") {var sz2sel="checked"};
       var synsel = "";
       var syisel = "";
       var sybsel = "";
       if (kwstyle=="")    {var synsel="checked"};
       if (kwstyle=="<i>") {var syisel="checked"};
       if (kwstyle=="<b>") {var sybsel="checked"};
       highlightCentral();
       highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
       highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
       highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
       highlightend();
       return;
     }
   
     function highlightCentral() {
   //    if (window.hwdWin) window.hwdWin.close();
       var xpos = (screen.width-400)/2;
       xpos = (xpos < 0) ? '0' : xpos;
       var ypos = (screen.height-330)/2-30;
       ypos = (ypos < 0) ? '0' : ypos;
   
       hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
       hwdWin.focus();
       var hDoc = hwdWin.document;
       hDoc.write("<html><head>");
       hDoc.write("<title>Highlight Central</title>");
   
       hDoc.write("<script language=javascript>");
       hDoc.write("function updateChoice(flag) {");
       hDoc.write("  opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);");
       hDoc.write("  opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);");
       hDoc.write("  opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);");
       hDoc.write("  opener.document.SCORE.refresh.value = \\"on\\";");
       hDoc.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");
       hDoc.write("     opener.document.SCORE.submit();");
       hDoc.write("  }");
       hDoc.write("  self.close()");
       hDoc.write("}");
   
       hDoc.write("<");
       hDoc.write("/script>");
   
       hDoc.write("</head><body bgcolor=white>");
   
       hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
       hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
   
       hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
       hDoc.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>");
     }
   
     function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
       var hDoc = hwdWin.document;
       hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
       hDoc.write("<td align=\\"left\\">");
       hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
       hDoc.write("<td align=\\"left\\">");
       hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
       hDoc.write("<td align=\\"left\\">");
       hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
       hDoc.write("</tr>");
     }
   
     function highlightend() { 
       var hDoc = hwdWin.document;
       hDoc.write("</table>");
       hDoc.write("</td></tr></table>&nbsp;");
       hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
       hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
       hDoc.write("</form>");
       hDoc.write("</body></html>");
     }
   
   </script>
   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";
   
       $result.='<table border="0"><tr><td>'.
    '<b>Part </b>'.$partid.' <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) {
    $result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
       'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
       $ctr.')" value="'.$ctr.'" '.
       ($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>'."\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) = @_;
       my $rendered=&Apache::loncommon::get_student_view($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 $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
      $ENV{'request.course.id'});
       if ($removeform) {
    $companswer=~s|<form(.*?)>||g;
    $companswer=~s|</form>||g;
    $rendered=~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%">';
       $result.='<tr><td bgcolor="#e6ffff"><b> View of the problem - '.$ENV{'form.fullname'}.
    '</b></td></tr>' if ($viewon);
       $result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
       $result.='<b>Correct answer:</b><br />'.$companswer;
       $result.='</td></tr></table>';
       $result.='</td></tr></table><br />';
       return $result;
   }
   
   # --------------------------- 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) = &finduser($ENV{'form.student'});      $udom = ($udom eq '' ? $ENV{'user.domain'} : $udom); #has form.userdom changed for a student?
     if ($uname eq '') { &moreinfo($request,'Unable to find student'); return ''; }      my $usec = &Apache::lonnet::getsection($udom,$uname,$ENV{'request.course.id'});
       $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} eq '';
   
     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;
       }
   
       $ENV{'form.lastSub'} = ($ENV{'form.lastSub'} eq '' ? 'datesub' : $ENV{'form.lastSub'});
     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'};
  # option to display problem, only once else it cause problems with the form later   
  # since the problem has a form.   $request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
  if ($ENV{'form.vProb'} eq 'yes') {   '<font size=+1>&nbsp;<b>Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
     my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,  
       $ENV{'request.course.id'});   if ($ENV{'form.handgrade'} eq 'no') {
     my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,      my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
    $ENV{'request.course.id'});   $checkIcon.' symbol.'."\n";
     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';      $request->print($checkMark);
     $result.='<table border="0" width="100%"><tr><td bgcolor="#e6ffff">';   }
     $result.='<b>Student\'s view of the problem</b></td></tr><tr><td bgcolor="#ffffff">'.$rendered.'<br />';  
     $result.='<b>Correct answer:</b><br />'.$companswer;   # option to display problem, only once else it cause problems 
     $result.='</td></tr></table>';          # with the form later since the problem has a form.
     $result.='</td></tr></table><br />';   if ($ENV{'form.vProb'} eq 'yes' or !$ENV{'form.vProb'}) {
     $request->print($result);      $request->print(&show_problem($request,$symb,$uname,$udom,0,1));
  }   }
   
  # kwclr is the only variable that is guaranteed to be non blank if this subroutine has been called once.   # kwclr is the only variable that is guaranteed to be non blank 
           # 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 381  sub submission { Line 1270  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="'.$ENV{'form.showgrading'}.'" />'."\n".
Line 395  sub submission { Line 1291  sub submission {
  '<input type="hidden" name="lastSub"    value="'.$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");
    }
   
  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') {
    $request->print('<br /><br /><br />') if ($counter > 0);
    $request->print(&show_problem($request,$symb,$uname,$udom,1,1));
       }
     my %record = &Apache::lonnet::restore($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);  
 #    &print_hash($request,\%record);  
   
     # Student info      my ($partlist,$handgrade) = &response_type($url,$symb);
   
       # Display student info
     $request->print(($counter == 0 ? '' : '<br />'));      $request->print(($counter == 0 ? '' : '<br />'));
     my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom));      my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'."\n".
     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'.   '<table border="0" width=100%><tr bgcolor="#edffff"><td>'."\n";
  '<table border="0" width=100%><tr bgcolor="#ffffff"><td>';  
       $result.='<b>Fullname: </b>'.$ENV{'form.fullname'}.
     $result.='<table border="0"><tr bgcolor="#ffffff"><td><b>Fullname: </b>'.$fullname.   '<font color="#999999">&nbsp; &nbsp;Username: '.$uname.
  '</td><td>&nbsp; &nbsp;<b>Username: </b>'.$uname.   ($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').'</font><br />'."\n";
  '</td><td>&nbsp; &nbsp;<b>Domain: </b>'.$udom.'</td></tr>';      $result.='<input type="hidden" name="name'.$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 $ncol = &Apache::lonnet::EXT('resource.'.$_.'.maxcollaborators',$symb,$udom,$uname);      my $ncol = &Apache::lonnet::EXT('resource.'.$_.
     if ($ncol > 0) {      '.maxcollaborators',
  s/\_/\./g;                                              $symb,$udom,$uname);
  if ($record{'resource.'.$_.'.collaborators'} ne '') {      next if ($ncol <= 0);
     my (@collaborators) = split(/,?\s+/,$record{'resource.'.$_.'.collaborators'});              s/\_/\./g;
     my (@badcollaborators);              next if ($record{'resource.'.$_.'.collaborators'} eq '');
     if (scalar(@collaborators) != 0) {              my @goodcollaborators = ();
  $result.='<tr bgcolor="#ffffff"><td colspan=3><b>Collaborators: </b>';              my @badcollaborators  = ();
  foreach my $collaborator (@collaborators) {      foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) { 
     $collaborator = $collaborator =~ /\@|:/ ?    $_ =~ s/[\$\^\(\)]//g;
  (split(/@|:/,$collaborator))[0] : $collaborator;   next if ($_ eq '');
     next if ($collaborator eq $uname);   my ($co_name,$co_dom) = split /\@|:/,$_;
     if (!grep /^$collaborator:/i,keys %$classlist) {   $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
  push @badcollaborators,$collaborator;   next if ($co_name eq $uname && $co_dom eq $udom);
  next;   # Doing this grep allows 'fuzzy' specification
     }   my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
     push @col_list, $collaborator;   if (! scalar(@Matches)) {
     $result.=$$fullname{$collaborator.':'.$udom}.' ('.$collaborator.') &nbsp; &nbsp;';      push @badcollaborators,$_;
  }   } else {
  $result.='</td></tr>'."\n";      push @goodcollaborators, @Matches;
  $result.='<tr bgcolor="#ffbbbb"><td colspan=2>'.   }
     'This student has submitted '.(scalar (@badcollaborators) > 1 ? '' : 'an').      }
     ' invalid collaborator'.(scalar (@badcollaborators) > 1 ? 's. ' : '. ').              if (scalar(@goodcollaborators) != 0) {
     (join ', ',@badcollaborators).'</td></tr>'                   $result.='<b>Collaborators: </b>';
     if (scalar(@badcollaborators) > 0);                  foreach (@goodcollaborators) {
       my ($lastname,$givenn) = split(/,/,$$fullname{$_});
  $result.='<tr bgcolor="#ffbbbb"><td colspan=2>'.      push @col_fullnames, $givenn.' '.$lastname;
     'This student has submitted too many collaborators. Maximum is '.      $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
     $ncol.'.</td></tr>' if (scalar(@collaborators) > $ncol);  
  $result.='<input type="hidden" name="collaborator'.$counter.  
     '" value="'.(join ':',@col_list).'" />'."\n";  
     }  
  }   }
                   $result.='<br />'."\n";
    $result.='<input type="hidden" name="collaborator'.$counter.
       '" value="'.(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.'</table>'."\n");      $request->print($result."\n");
   
     # print student answer      # print student answer/submission
       # Options are (1) Handgaded submission only
       #             (2) Last submission, includes submission that is not handgraded 
       #                  (for multi-response type part)
       #             (3) Last submission plus the parts info
       #             (4) The whole record for this student
     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {      if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
  if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {   if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {
     my $submitby='</td></tr><tr><td bgcolor="#e6ffff">'.      my $submitby=''.
  '<b>Collaborative submission by: </b>'.   '<b>Collaborative submission by: </b>'.
  '<a href="javascript:viewSubmitter(\''.$ENV{'form.'.$uname.':'.$udom.':submitted_by'}.   '<a href="javascript:viewSubmitter(\''.
    $ENV{'form.'.$uname.':'.$udom.':submitted_by'}.
  '\')"; TARGET=_self>'.   '\')"; TARGET=_self>'.
  $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';   $$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
     $submitby.='</td></tr><tr><td bgcolor="#ffffff">'."\n";  
     $request->print($submitby);      $request->print($submitby);
  } else {   } else {
     my ($string,$timestamp)=&get_last_submission ($symb,$uname,$udom,$ENV{'request.course.id'});      my ($string,$timestamp)= &get_last_submission (\%record);
     my $lastsubonly.='</td></tr><tr><td bgcolor="#e6ffff"><b>Last Submission Only</b>'.      my $lastsubonly=''.
  ($$timestamp eq '' ? '' : '&nbsp; &nbsp; <b>Date Submitted:</b> '.$$timestamp).'</td></tr>';   ($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
    $$timestamp)."</td></tr>\n";
     if ($$timestamp eq '') {      if ($$timestamp eq '') {
  $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0].'</td></tr>';   $lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
     } else {      } else {
  for my $part (sort keys(%$handgrade)) {   for my $part (sort keys(%$handgrade)) {
     foreach (@$string) {      my ($responsetype,$foo) = split(/:/,$$handgrade{$part});
  my ($partid,$respid) = /^resource\.(\d+)\.(\d+)\.submission/;      my ($partid,$respid) = split(/_/,$part);
  if ($part eq ($partid.'_'.$respid)) {      if (!exists($record{'resource.'.$partid.'.'.$respid.'.submission'})) {
     my ($ressub,$subval) = split(/:/,$_,2);   $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
     $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part ID</b> '.      $partid.'</b> <font color="#999999">( ID '.$respid.
  $partid.' <b>Response ID</b> '.$respid.      ' )</font>&nbsp; &nbsp;'.
  ' <b>Submission</b> '.&keywords_highlight($subval).'</td></tr>'      '<font color="red">Nothing submitted - no attempts</font><br /><br />';
  if ($ENV{'form.lastSub'} eq 'lastonly' ||        } else {
     ($ENV{'form.lastSub'} eq 'hdgrade' && $$handgrade{$part} =~ /:yes$/));   foreach (@$string) {
       my ($partid,$respid) = /^resource\.(\w+)\.(\w+)\.submission/;
       if ($part eq ($partid.'_'.$respid)) {
    my ($ressub,$subval) = split(/:/,$_,2);
                               # Similarity check
    my $similar='';
    my ($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 />';
    }
    $lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
       $partid.'</b> <font color="#999999">( ID '.$respid.
       ' )</font>&nbsp; &nbsp;'.
       ($record{"resource.$partid.$respid.uploadedurl"}?
        '<a href="'.
        &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).
        '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> '.
        '<font color="red" size="1">Like all files provided by users, '.
        'this file may contain virusses</font><br />':'').
        '<b>Submitted Answer: </b>'.($responsetype =~ /^(essay|option)$/ ? 
     '<blockquote>' : '').
        &cleanRecord($subval,$responsetype,$symb).
        ($responsetype =~ /^(essay|option)$/ ? '</blockquote><br />' : 
         '<br /><br />').$similar."\n"
        if ($ENV{'form.lastSub'} eq 'lastonly' || 
    ($ENV{'form.lastSub'} eq 'hdgrade' && 
     $$handgrade{$part} =~ /:yes$/));
       }
  }   }
     }      }
  }   }
     }      }
     $lastsubonly.='</td></tr><tr><td bgcolor="#ffffff">'."\n";      $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
     $request->print($lastsubonly);      $request->print($lastsubonly);
  }   }
     } else {      } elsif ($ENV{'form.lastSub'} eq 'datesub') {
    my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
    $request->print(&displaySubByDates(\$symb,\%record,$parts,$responseType,$checkIcon));
       } 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,
  $ENV{'request.course.id'},$last,   $ENV{'request.course.id'},
  '.submission','Apache::grades::keywords_highlight'));   $last,'.submission',
    'Apache::grades::keywords_highlight'));
     }      }
   
       $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
    .$udom.'" />'."\n");
           
     # 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></form>'."\n";
    $toGrade.=&show_grading_menu_form($symb,$url) 
       if (($ENV{'form.command'} eq 'submission') || 
    ($ENV{'form.command'} eq 'processGroup' && $counter == $total));
    $request = print($toGrade);
  return;   return;
     }      }
   
     $result='<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".      # essay grading message center
  '<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".      if ($ENV{'form.handgrade'} eq 'yes') {
  '<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'.$udom.'" />'."\n";   my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
     $result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.   my $msgfor = $givenn.' '.$lastname;
  ',\''.$fullname.'\')"; TARGET=_self>Compose Message</a><br />'."\n" if ($ENV{'form.handgrade'} eq 'yes');   if (scalar(@col_fullnames) > 0) {
     $request->print($result);      my $lastone = pop @col_fullnames;
       $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
    }
    $msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
   # $result.='<tr><td bgcolor="#ffffff">'."\n".
    $result='<input type="hidden" name="includemsg'.$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;
Line 539  KEYWORDS Line 1538  KEYWORDS
  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);  
  my $wgtmsg = ($wgt > 0 ? '(problem weight)' : '<font color="red">problem weight assigned by computer</font>');  
  $wgt       = ($wgt > 0 ? $wgt : '1');  
  my $score  = ($record{'resource.'.$partid.'.awarded'} eq '' ?  
       '' : $record{'resource.'.$partid.'.awarded'}*$wgt);  
   
  # display grading options  
  $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />';  
  $result.='<table border="0"><tr><td><b>Part </b>'.$partid.' <b>Points</b></td><td>';  
   
  my $ctr = 0;  
  $result.='<table border="0"><tr>';  # display radio buttons in a nice table 10 across  
  while ($ctr<=$wgt) {  
     $result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.  
  'onclick="javascript:writeBox(this.form.GRADE_BOX'.$counter.'_'.$partid.  
  ',this.form.GRADE_SEL'.$counter.'_'.$partid.','.$ctr.  
  ',this.form.stores'.$counter.'_'.$partid.')" '.  
  ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";  
     $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');  
     $ctr++;  
  }  
  $result.='</tr></table>';  
   
  $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>';   $request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
  $result.='<td><input type="text" name="GRADE_BOX'.$counter.'_'.$partid.'"'.  
     ($score ne ''? ' value = "'.$score.'"':'').' size="4" '.  
     'onChange="javascript:updateRadio(this.form.RADVAL'.$counter.'_'.$partid.  
     ',this.form.GRADE_BOX'.$counter.'_'.$partid.  
     ',this.form.GRADE_SEL'.$counter.'_'.$partid.  
     ',this.form.stores'.$counter.'_'.$partid.')" /></td>'."\n";  
  $result.='<td>/'.$wgt.' '.$wgtmsg.' </td><td>';  
   
  $result.='<select name="GRADE_SEL'.$counter.'_'.$partid.'" '.  
     'onChange="javascript:clearRadBox(this.form.RADVAL'.$counter.'_'.$partid.  
     ',this.form.GRADE_BOX'.$counter.'_'.$partid.  
     ',this.form.GRADE_SEL'.$counter.'_'.$partid.  
     ',this.form.stores'.$counter.'_'.$partid.')" />'."\n".  
     '<option selected="on"> </option>'.  
     '<option>excused</option></select>'."&nbsp&nbsp\n";  
  $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="0" />';  
  $result.='</td></tr></table>';  
  $request->print($result);  
     }      }
     $request->print('<input type="hidden" name="partlist'.$counter.'" value="'.(join ":",@partlist).'" />'."\n");      $result='<input type="hidden" name="partlist'.$counter.
     $request->print('</td></tr></table></td></tr></table>'."\n");   '" value="'.(join ":",@partlist).'" />'."\n";
       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="Next" '.
     '<input type="submit" name="gradeOpt" value="Previous" />&nbsp'.      'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;'."\n".
     '(Next and Previous do not save the scores.)'.      '<input type="button" value="Previous" '.
     '</td><tr></table></form>';      'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;';
    $endform.='(Next and Previous 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 '';
 }  }
   
   #--- 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$/) {push @string, (join(':',$_,$lasthash{$_}))}   my ($partid,$foo) = split(/submission$/,$_);
  if ($_ =~ /timestamp/) {$timestamp = scalar(localtime($lasthash{$_}))};   my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
       '<font color="red">Draft Copy</font> ' : '';
    push @string, (join(':',$_,$draft.$lasthash{$_}));
     }      }
  }   }
  @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.
 sub keywords_highlight {  sub keywords_highlight {
     my $string  = shift;      my $string    = shift;
     my $size    = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};      my $size      = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
     my $styleon = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};      my $styleon   = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
     (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;
 }  }
   
   #--- Called from submission routine
 sub processHandGrade {  sub processHandGrade {
     my ($request) = shift;      my ($request) = shift;
     my $url    = $ENV{'form.url'};      my $url    = $ENV{'form.url'};
Line 648  sub processHandGrade { Line 1625  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'};
   
     my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};  
     my %keyhash = ();  
     $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;  
     $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;  
     $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};  
     $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};  
     $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};  
     $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};  
     $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};  
   
     my ($ctr,$idx) = (1,1);  
     while ($ctr <= $ENV{'form.savemsgN'}) {  
  if ($ENV{'form.savemsg'.$ctr} ne '') {  
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};  
     $idx++;  
  }  
  $ctr++;  
     }  
     $ctr = 0;  
     while ($ctr < $ngrade) {  
  if ($ENV{'form.newmsg'.$ctr} ne '') {  
     $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};  
     $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};  
     $idx++;  
  }  
  $ctr++;  
     }  
     $ENV{'form.savemsgN'} = --$idx;  
     $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};  
     my $putresult = &Apache::lonnet::put  
  ('nohist_handgrade',\%keyhash,  
  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   
     if ($ENV{'form.refresh'} eq 'on') {  
  my $ctr = 0;  
  $ENV{'form.NTSTU'}=$ngrade;  
  while ($ctr < $ngrade) {  
     ($ENV{'form.student'},my $udom) = split(/:/,$ENV{'form.unamedom'.$ctr});  
     &submission($request,$ctr,$ngrade-1);  
     $ctr++;  
  }  
  return '';  
     }  
   
     if ($button eq 'Save & Next') {      if ($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 (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
  foreach (@collaborators) {   foreach (@collaborators) {
     &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,      my ($errorflag,$pts,$wgt) = 
    $ENV{'form.unamedom'.$ctr});   &saveHandGrade($request,$url,$symb,$_,$udom,$ctr,$ENV{'form.unamedom'.$ctr});
     if ($message ne '') {      if ($errorflag eq 'not_allowed') {
  $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,   $request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
        $ENV{'form.msgsub'},   next;
        $message);      } else {
    if ($message ne '') {
       $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
      $ENV{'form.msgsub'},
      $message);
    }
     }      }
  }   }
     }      }
     $ctr++;      $ctr++;
  }   }
     }      }
   
       if ($ENV{'form.handgrade'} eq 'yes') {
    # Keywords sorted in alphabatical order
    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
    my %keyhash = ();
    $ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
    $ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
    my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
    $ENV{'form.keywords'} = join(' ',@keywords);
    $keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
    $keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
    $keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
    $keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
    $keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
   
    # message center - Order of message gets changed. Blank line is eliminated.
    # New messages are saved in ENV for the next student.
    # All messages are saved in nohist_handgrade.db
    my ($ctr,$idx) = (1,1);
    while ($ctr <= $ENV{'form.savemsgN'}) {
       if ($ENV{'form.savemsg'.$ctr} ne '') {
    $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
    $idx++;
       }
       $ctr++;
    }
    $ctr = 0;
    while ($ctr < $ngrade) {
       if ($ENV{'form.newmsg'.$ctr} ne '') {
    $keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
    $ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
    $idx++;
       }
       $ctr++;
    }
    $ENV{'form.savemsgN'} = --$idx;
    $keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
    my $putresult = &Apache::lonnet::put
       ('nohist_handgrade',\%keyhash,
        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
        $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
       }
       # Called by Save & Refresh from Highlight Attribute Window
       my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
       if ($ENV{'form.refresh'} eq 'on') {
    my ($ctr,$total) = (0,0);
    while ($ctr < $ngrade) {
       $total++ if  $ENV{'form.unamedom'.$ctr} ne '';
       $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++;
    }
    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
     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(@{ $$classlist{$ENV{'form.section'}} }) ) {      foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  if ($nextflg == 1 && $button =~ /Next$/) {   if ($nextflg == 1 && $button =~ /Next$/) {
     push @parsedlist,$_;      push @parsedlist,$_;
  }   }
Line 751  sub processHandGrade { Line 1770  sub processHandGrade {
  }   }
     }      }
     $ctr = 0;      $ctr = 0;
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});      my ($partlist,$handgrade) = &response_type($ENV{'form.url'},$symb);
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');      @parsedlist = reverse @parsedlist if ($button eq 'Previous');
     foreach my $student (@parsedlist) {      foreach my $student (@parsedlist) {
  my ($uname,$udom) = split(/:/,$student);   my ($uname,$udom) = split(/:/,$student);
  if ($ENV{'form.submitonly'} eq 'yes') {   if ($ENV{'form.submitonly'} eq 'yes') {
     my (%status) = &student_gradeStatus($ENV{'form.url'},$udom,$uname,$partlist) ;      my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;
     my $statusflg = '';      my $statusflg = '';
     foreach (keys(%status)) {      foreach (keys(%status)) {
  $statusflg = 1 if ($status{$_} ne 'nothing');   $statusflg = 1 if ($status{$_} ne 'nothing');
  my ($foo,$partid,$foo) = split(/\./,$_);   my ($foo,$partid,$foo1) = split(/\./);
  $statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');   $statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
     }      }
     next if ($statusflg eq '');      next if ($statusflg eq '');
Line 774  sub processHandGrade { Line 1793  sub processHandGrade {
   
     foreach (sort @nextlist) {      foreach (sort @nextlist) {
  my ($uname,$udom,$submitter) = split(/:/);   my ($uname,$udom,$submitter) = split(/:/);
  $ENV{'form.student'} = $uname;   $ENV{'form.student'}  = $uname;
    $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 791  sub processHandGrade { Line 1809  sub processHandGrade {
     return '';      return '';
 }  }
   
   #---- 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) = @_;
 #   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 ($ENV{'form.GRADE_SEL'.$newflg.'_'.$_} eq 'excused') {   my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
     $newrecord{'resource.'.$_.'.solved'} = 'excused';   if ($dropMenu eq 'excused') {
  } else {      if ($record{'resource.'.$_.'.solved'} ne 'excused') {
     my $pts    = ($ENV{'form.GRADE_BOX'.$newflg.'_'.$_} ne '' ?    $newrecord{'resource.'.$_.'.solved'} = 'excused';
   $ENV{'form.GRADE_BOX'.$newflg.'_'.$_} : $ENV{'form.RADVAL'.$newflg.'_'.$_});   if (exists($record{'resource.'.$_.'.awarded'})) {
     if ($pts eq '') {      $newrecord{'resource.'.$_.'.awarded'} = '';
  &userError($request,'No point was assigned for part id '.$_.' and for username '.$stuname.'.');   }
  return 'error';      $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
     }      }
     my $wgt    = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : $ENV{'form.WGT'.$newflg.'_'.$_};   } elsif ($dropMenu eq 'reset status'
    && exists($record{'resource.'.$_.'.solved'})) { #don't bother if no old records -> no attempts
       $newrecord{'resource.'.$_.'.tries'} = 0;
       $newrecord{'resource.'.$_.'.solved'} = '';
       $newrecord{'resource.'.$_.'.award'} = '';
       $newrecord{'resource.'.$_.'.awarded'} = 0;
       $newrecord{'resource.'.$_.'.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.'_'.$_});
       return 'no_score' if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '');
       $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
    $ENV{'form.WGT'.$newflg.'_'.$_};
     my $partial= $pts/$wgt;      my $partial= $pts/$wgt;
     $newrecord{'resource.'.$_.'.awarded'}  = $partial;      next if ($partial eq $record{'resource.'.$_.'.awarded'}); #do not update score for part if not changed.
       $newrecord{'resource.'.$_.'.awarded'}  = $partial 
    if ($record{'resource.'.$_.'.awarded'} ne $partial);
       my $reckey = 'resource.'.$_.'.solved';
     if ($partial == 0) {      if ($partial == 0) {
  $newrecord{'resource.'.$_.'.solved'} = 'incorrect_by_override';   $newrecord{$reckey} = 'incorrect_by_override' 
       if ($record{$reckey} ne 'incorrect_by_override');
     } else {      } else {
  $newrecord{'resource.'.$_.'.solved'} = 'correct_by_override';   $newrecord{$reckey} = 'correct_by_override' 
       if ($record{$reckey} ne 'correct_by_override');
     }      }
     $newrecord{'resource.'.$_.'.submitted_by'} = $submitter if ($submitter);      $newrecord{'resource.'.$_.'.submitted_by'} = $submitter 
    if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));
       $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
  }   }
     }      }
       
     if ( scalar(keys(%newrecord)) > 0 ) {  
  $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
 # &print_hash($request,\%newrecord);  
  &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname);  
     }  
     return '';  
 }  
   
 sub get_symb_and_url {  
     my ($request) = @_;  
     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;  
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));  
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }  
     return ($symb,$url);  
 }  
   
 sub show_grading_menu_form {  
     my ($symb,$url)=@_;  
     my $result.='<form action="/adm/grades" method="post">'."\n".  
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="gradingmenu" />'."\n".  
  '<input type="submit" name="submit" value="Grading Menu" />'."\n".  
  '</form>'."\n";  
     return $result;  
 }  
   
 sub gradingmenu {  
     my ($request) = @_;  
     my ($symb,$url)=&get_symb_and_url($request);  
     if (!$symb) {return '';}  
     my $result='<h2>&nbsp;<font color="#339933">Select a Grading Method</font></h2>';  
     $result.='<table border="0">';  
     $result.='<tr><td colspan=3><font size=+1><b>Resource: </b>'.$url.'</font></td></tr>';  
     my ($partlist,$handgrade) = &response_type($url);  
     my ($resptype,$hdgrade)=('','no');  
     for (sort keys(%$handgrade)) {  
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});  
  $resptype = $responsetype;  
  $hdgrade = $handgrade if ($handgrade eq 'yes');  
  $result.='<tr><td><b>Part id: </b>'.$_.'</td>'.  
     '<td><b>Type: </b>'.$responsetype.'</td>'.  
     '<td><b>Handgrade: </b>'.$handgrade.'</font></td></tr>';  
     }  
     $result.='</table>';  
     $result.=&view_edit_entire_class_form($symb,$url).'<br />';  
     $result.=&upcsvScores_form($symb,$url).'<br />';  
     $result.=&viewGradeaStu_form($symb,$url,$resptype,$hdgrade).'<br />';  
     $result.=&verifyReceipt_form($symb,$url).'<br />';  
     $result.=&view_classlist_form($symb,$url);  
   
     return $result;  
 }  
   
 sub view_classlist_form {  
     my ($symb,$url)=@_;  
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";  
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";  
     $result.='&nbsp;<b>View Class List</b></td></tr>'."\n";  
     $result.='<tr bgcolor=#ffffe6><td>'."\n";  
     $result.='<form action="/adm/grades" method="post">'."\n".  
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="viewclasslist" />'."\n";  
     $result.='&nbsp;<input type="submit" name="submit" value="View Class" /></form>'."\n";  
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;  
 }  
   
 sub viewclasslist {  
     my ($request) = shift;  
     my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'});  
     my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum);  
     $request->print('<table border=1>');  
     foreach (sort keys(%classlist)) {  
 #    my ($unam,$udom) = split(/:/,$_,2);  
 #    my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'});  
 #    my $fullname = &get_fullname ($unam,$udom);  
 #    my @uname;  
 #    $uname[0]=$unam;  
 #    my %userid=&Apache::lonnet::idrget($udom,@uname);  
 #    my $value=$classlist{$_}.':'.$userid{$unam}.':'.$section.':'.$fullname;  
 #    $classlist{$_}=$value;  
  $request->print('<tr><td>'.$_.' </td><td><pre> '.$classlist{$_}.'</pre></td></tr>');  
     }  
     $request->print('</table>');  
 #  my $putresult = &Apache::lonnet::put  
 #      ('classlist',\%classlist,  
 #       $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
 #       $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   
     return '';  
 }  
   
 sub view_edit_entire_class_form {  
     my ($symb,$url)=@_;  
     my ($classlist,$sections) = &getclasslist('all','0');  
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";  
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";  
     $result.='&nbsp;<b>View/Grade Entire Section/Class</b></td></tr>'."\n";  
     $result.='<tr bgcolor=#ffffe6><td>'."\n";  
     $result.='<form action="/adm/grades" method="post">'."\n".  
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="command" value="viewgrades" />'."\n";  
     $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";  
     foreach (sort (@$sections)) {  
  $result.= '<option>'.$_.'</option>'."\n";  
     }  
     $result.= '<option selected="on">all</select>'."<br />\n";  
 #    $result.='&nbsp;<b>Display students who has: </b>'.  
 # '<input type="radio" name="submitonly" value="yes" checked> submitted'.  
 # '<input type="radio" name="submitonly" value="all"> everybody <br /><br />';  
     $result.='&nbsp;<input type="submit" name="submit" value="View/Grade" /></form>'."\n";  
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;  
 }  
   
 sub upcsvScores_form {  
     my ($symb,$url) = @_;  
     if (!$symb) {return '';}  
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";  
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";  
     $result.='&nbsp;<b>Specify a file containing the class scores for above resource</b></td></tr>'."\n";  
     $result.='<tr bgcolor=#ffffe6><td>'."\n";  
     my $upfile_select=&Apache::loncommon::upfile_select_html();  
   $result.=<<ENDUPFORM;  
 <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">  
 <input type="hidden" name="symb" value="$symb" />  
 <input type="hidden" name="url" value="$url" />  
 <input type="hidden" name="command" value="csvuploadmap" />  
 $upfile_select  
 <br />&nbsp;<input type="submit" name="submit" value="Upload Grades" />  
 </form>  
 ENDUPFORM  
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;  
 }  
   
 sub viewGradeaStu_form {      if (scalar(keys(%newrecord)) > 0) {
     my ($symb,$url,$response,$handgrade) = @_;   &Apache::lonnet::cstore(\%newrecord,$symb,
     my ($classlist,$sections) = &getclasslist('all','0');   $ENV{'request.course.id'},$domain,$stuname);
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";  
     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";  
     $result.='&nbsp;<b>View/Grade an Individual Student\'s Submission</b></td></tr>'."\n";  
     $result.='<tr bgcolor=#ffffe6><td>'."\n";  
     $result.='<form action="/adm/grades" method="post">'."\n".  
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
  '<input type="hidden" name="response" value="'.$response.'" />'."\n".  
  '<input type="hidden" name="handgrade" value="'.$handgrade.'" />'."\n".  
  '<input type="hidden" name="showgrading" value="yes" />'."\n".  
  '<input type="hidden" name="command" value="submission" />'."\n";  
   
     $result.='&nbsp;<b>Select section:</b> <select name="section">'."\n";  
     foreach (sort (@$sections)) {  
  $result.= '<option>'.$_.'</option>'."\n";  
     }  
     $result.= '<option selected="on">all</select>'."\n";  
     $result.='&nbsp;&nbsp;<b>Display students who has: </b>'.  
  '<input type="radio" name="submitonly" value="yes" checked> submitted'.  
  '<input type="radio" name="submitonly" value="all"> everybody <br />';  
     $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />'   
  if (grep /no/,@$sections);  
       
     $result.='<br />&nbsp;<input type="submit" name="submit" value="View/Grade" />'."\n".  
  '</form>'."\n";  
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;  
 }  
   
 sub verifyReceipt_form {  
     my ($symb,$url) = @_;  
     my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"};  
     my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"};  
     my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'});  
   
     my $result.='<table width=100% border=0><tr><td bgcolor=#777777>'."\n";  
     $result.='<table width=100% border=0><tr><td bgcolor=#e6ffff>'."\n";  
     $result.='&nbsp;<b>Verify a Submission Receipt Issued by this Server</td></tr>'."\n";  
     $result.='<tr bgcolor=#ffffe6><td>'."\n";  
     $result.='<form action="/adm/grades" method="post">'."\n";  
     $result.='&nbsp;<tt>'.$hostver.'-<input type="text" name="receipt" size="4"></tt><br />'."\n";  
     $result.='&nbsp;<input type="submit" name="submit" value="Verify Receipt">'."\n";  
     $result.='<input type="hidden" name="command" value="verify">'."\n";  
     if ($ENV{'form.url'}) {  
  $result.='<input type="hidden" name="url" value="'.$ENV{'form.url'}.'" />';  
     }      }
     if ($ENV{'form.symb'}) {      return '',$pts,$wgt;
  $result.='<input type="hidden" name="symb" value="'.$ENV{'form.symb'}.'" />';  
     }  
     $result.='</form>';  
     $result.='</td></tr></table>'."\n";  
     $result.='</td></tr></table>'."\n";  
     return $result;  
 }  }
   
   #--------------------------------------------------------------------------------------
   #
   #-------------------------- Next few routines handles grading by section or whole class
   #
   #--- Javascript to handle grading by section or whole class
 sub viewgrades_js {  sub viewgrades_js {
     my ($request) = shift;      my ($request) = shift;
   
     $request->print(<<VIEWJAVASCRIPT);      $request->print(<<VIEWJAVASCRIPT);
 <script type="text/javascript" language="javascript">  <script type="text/javascript" language="javascript">
     function viewOneStudent(user) {     function writePoint(partid,weight,point) {
  document.onestudent.student.value = user;   var radioButton = document.classgrade["RADVAL_"+partid];
  document.onestudent.submit();   var textbox = document.classgrade["TEXTVAL_"+partid];
     }  
   
     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 1047  sub viewgrades_js { Line 1896  sub viewgrades_js {
  }   }
  return;   return;
     }      }
       if (parseFloat(point) > parseFloat(weight)) {
    var resp = confirm("You entered a value ("+parseFloat(point)+
      ") greater than the weight for the part. Accept?");
    if (resp == false) {
       textbox.value = "";
       return;
    }
       }
     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.counter"+i+".value");      var user = document.classgrade["ctr"+i].value;
     var scorename = eval("document.classgrade.GRADE_"+user+      var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
  "_"+partid+"_awarded");      var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
     var saveval   = eval("document.classgrade.GRADE_"+user+      var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
  "_"+partid+"_solved_save.value");  
     var selname   = eval("document.classgrade.GRADE_"+user+"_"+partid+"_solved");  
     if (saveval != "correct") {      if (saveval != "correct") {
  scorename.value = point;   scorename.value = point;
  selname[0].selected = true;   if (selname[0].selected != true) {
       selname[0].selected = true;
    }
     }      }
  }   }
  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];
  if (selval[1].selected) {   var radioButton = document.classgrade["RADVAL_"+partid];
     var radioButton = eval("document.classgrade.RADVAL_"+partid);   var textbox = document.classgrade["TEXTVAL_"+partid];
    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;
   
     }      }
     var textbox = eval("document.classgrade.TEXTVAL_"+partid);  
     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.counter"+i+".value");   var user = document.classgrade["ctr"+i].value;
  var scorename = eval("document.classgrade.GRADE_"+user+   var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
      "_"+partid+"_awarded");   var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
  var saveval   = eval("document.classgrade.GRADE_"+user+   var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
      "_"+partid+"_solved_save.value");  
  var selname   = eval("document.classgrade.GRADE_"+user+  
      "_"+partid+"_solved");  
  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 {
       for (i=0;i<document.classgrade.total.value;i++) {
    var user = document.classgrade["ctr"+i].value;
    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
    if (saveval != "correct") {
       scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
       selname[0].selected = true;
    }
       }
    }    
     }      }
   
     function changeSelect(partid,user) {      function changeSelect(partid,user) {
  var selval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_solved");   var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
    var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
    var point  = textbox.value;
    var weight = document.classgrade["weight_"+partid].value;
   
    if (isNaN(point) || parseFloat(point) < 0) {
       alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
       textbox.value = "";
       return;
    }
    if (parseFloat(point) > parseFloat(weight)) {
       var resp = confirm("You entered a value ("+parseFloat(point)+
          ") greater than the weight of the part. Accept?");
       if (resp == false) {
    textbox.value = "";
    return;
       }
    }
  selval[0].selected = true;   selval[0].selected = true;
     }      }
   
     function changeOneScore(partid,user) {      function changeOneScore(partid,user) {
  var selval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_solved");   var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
  if (selval[1].selected) {   if (selval[1].selected || selval[2].selected) {
     var boxval = eval("document.classgrade.GRADE_"+user+'_'+partid+"_awarded");      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 1127  sub viewgrades_js { Line 2016  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.counter"+i+".value");   var user = document.classgrade["ctr"+i].value;
  var resetscore = eval("document.classgrade.GRADE_"+user+   var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
       "_"+partid+"_awarded");   resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
  resetscore.value = eval("document.classgrade.GRADE_"+user+   var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
  "_"+partid+"_awarded_save.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.GRADE_"+user+   var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
      "_"+partid+"_solved_save.value");  
   
  var selname   = eval("document.classgrade.GRADE_"+user+"_"+partid+"_solved");  
  if (saveselval == "excused") {   if (saveselval == "excused") {
     selname[1].selected = true;      if (selname[1].selected == false) { selname[1].selected = true;}
  } else {   } else {
     selname[0].selected = true;      if (selname[0].selected == false) {selname[0].selected = true};
  }   }
     }      }
  }   }
     }      }
   
   
 </script>  </script>
 VIEWJAVASCRIPT  VIEWJAVASCRIPT
 }  }
   
   #--- show scores for a section or whole class w/ option to change/update a score
 sub viewgrades {  sub viewgrades {
     my ($request) = shift;      my ($request) = shift;
     &viewgrades_js($request);      &viewgrades_js($request);
   
     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'});       my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
     $request->print ('<h2><font color="#339933">Manual Grading</font></h2>');      my $result='<h3><font color="#339933">Manual Grading</font></h3>';
   
     my $result='<font size=+1><b>Resource: </b>'.$ENV{'form.url'}.'</font>'."\n";      $result.='<font size=+1><b>Current Resource: </b>'.$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".  
  '</form>'."\n";  
   
     #start the 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 score that has already '.  
  'been graded does not get changed using the radio buttons or text box. '.      $result.='<h3>Assign Common Grade To ';
  'If needed, it has to be changed individually.</font>';      if ($ENV{'form.section'} eq 'all') {
    $result.='Class </h3>';
     my ($partlist,$handgrade) = &response_type($ENV{'form.url'});      } elsif ($ENV{'form.section'} eq 'no') {
    $result.='Students in no Section </h3>';
       } else {
    $result.='Students in Section '.$ENV{'form.section'}.'</h3>';
       }
       $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
    '<table border=0><tr bgcolor="#ffffdd"><td>';
       #radio buttons/text box for assigning points for a section or class.
       #handles different parts of a problem
       my ($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(%$handgrade)) {
    my ($partid,$respid) = split (/_/,$_,2);
    next if $seen{$partid};
    $seen{$partid}++;
  my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});   my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
  my ($partid,$respid) = split (/_/);  
  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;
   
  $result.='<input type="hidden" name="partid_'.$ctsparts.'" value="'.$partid.'" />'."\n";   $result.='<input type="hidden" name="partid_'.
  $result.='<tr><td><b>Part ID:</b> '.$partid.'&nbsp; &nbsp;</td><td>';      $ctsparts.'" value="'.$partid.'" />'."\n";
    $result.='<input type="hidden" name="weight_'.
       $partid.'" value="'.$weight{$partid}.'" />'."\n";
    $result.='<tr><td><b>Part  '.$partid.'&nbsp; &nbsp;Point:</b> </td><td>';
  $result.='<table border="0"><tr>';     $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>';
  $result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.$partid.'" size="4" '.   $result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
     'onChange="javascript:writePoint('.$partid.','.$weight{$partid}.',\'textval\')" /> /'.      $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
    $partid.'\','.$weight{$partid}.',\'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></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="submit" name="submit"  value="Submit Changes" />'."\n";  
   
       #table listing all the students in a section/class
       #header of table
       $result.= '<h3>Assign Grade to Specific Students in ';
       if ($ENV{'form.section'} eq 'all') {
    $result.='the Class </h3>';
       } elsif ($ENV{'form.section'} eq 'no') {
    $result.='no Section </h3>';
       } else {
    $result.='Section '.$ENV{'form.section'}.'</h3>';
       }
     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".      $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
  '<table border=0><tr bgcolor="#deffff">'.   '<table border=0><tr bgcolor="#deffff">'.
  '<td><b>Username</b></td><td><b>Fullname</b></td><td><b>Domain</b></td>'."\n";   '<td><b>Fullname</b> <font color="#999999">(Username)</font></td>'."\n";
     #get list of parts for this problem  
     my (@parts) = sort(&getpartlist($url));      my (@parts) = sort(&getpartlist($url));
     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/);   $display =~ s/^Number of Attempts/Tries/; # makes the column narrower
  if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }   if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
  if ($display =~ /^Partial Credit Factor/) {   if ($display =~ /^Partial Credit Factor/) {
     $_ = $display;      my ($partid) = &split_part_type($part);
     my ($partid) = /.*?(\d+).*/;      $result.='<td><b>Score Part '.$partid.'<br />(weight = '.
     $result.='<td><b>Score Part '.$partid.'<br>(weight = '.  
  $weight{$partid}.')</b></td>'."\n";   $weight{$partid}.')</b></td>'."\n";
     next;      next;
  }   }
  $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.'</b></td>'."\n";
     }      }
     $result.='</tr>';      $result.='</tr>';
   
     #get info for each student      #get info for each student
     my ($classlist,$seclist,$ids,$stusec,$fullname) = &getclasslist($ENV{'form.section'},'0');      #list all the students - with points and grade status
       my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
     my $ctr = 0;      my $ctr = 0;
     foreach ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {      foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
  (my $username = $_) = split(/:/);   my $uname = $_;
  $result.='<input type="hidden" name="counter'.$ctr.'" value="'.$username.'" />'."\n";   $uname=~s/:/_/;
    $result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
  $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},   $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
    $_,$$fullname{$_},\@parts,\%weight);     $_,$$fullname{$_},\@parts,\%weight);
  $ctr++;   $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>';      $result.='<input type="button" value="Submit Changes" '.
    'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
       if (scalar(%$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
 sub viewstudentgrade {  sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;      my ($url,$symb,$courseid,$student,$fullname,$parts,$weight) = @_;
     my ($username,$domain) = split(/:/,$student);      my ($uname,$udom) = split(/:/,$student);
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username);      $student=~s/:/_/;
       my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
     my $result='<tr bgcolor="#ffffdd"><td>'.      my $result='<tr bgcolor="#ffffdd"><td>'.
  '<a href="javascript:viewOneStudent(\''.$username.'\')"; TARGET=_self>'.$username.'</a>'.   '<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
  '</td><td>'.$fullname.'</td><td align="middle">'.$domain.'</td>'."\n";   '\')"; TARGET=_self>'.$fullname.'</a> '.
     foreach my $part (@$parts) {   '<font color="#999999">('.$uname.($ENV{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
  my ($temp,$part,$type)=split(/_/,$part);      foreach my $apart (@$parts) {
    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="'.      $result.='<input type="hidden" name="'.
  'GRADE_'.$username.'_'.$part.'_awarded_save" value="'.$pts.'" />'."\n";   'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
     $result.='<td align="middle"><input type="text" name="'.      $result.='<td align="middle"><input type="text" name="'.
  'GRADE_'.$username.'_'.$part.'_awarded"'.   'GD_'.$student.'_'.$part.'_awarded" '.
  'onChange="javascript:changeSelect('.$part.',\''.$username.'\')" value="'.   'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
  $pts.'" size="4" /></td>'."\n";   '\')" value="'.$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="'.      $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
  'GRADE_'.$username.'_'.$part.'_solved_save" value="'.$status.'" />'."\n";   $part.'_solved_s" value="'.$status.'" />'."\n";
     $result.='<td align="middle"><select name="'.      $result.='<td align="middle"><select name="'.
  'GRADE_'.$username.'_'.$part.'_solved" '.   'GD_'.$student.'_'.$part.'_solved" '.
  'onChange="javascript:changeOneScore('.$part.',\''.$username.'\')" >'."\n";   'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
     my $optsel = '<option selected="on"> </option><option>excused</option>'."\n";  #    my $optsel = '<option selected="on"> </option><option>excused</option>'."\n";
     $optsel = '<option> </option><option selected="on">excused</option>'."\n"  #    $optsel = '<option> </option><option selected="on">excused</option>'."\n"
  if ($status eq 'excused');  # if ($status eq 'excused');
     $result.=$optsel;  #    $result.=$optsel;
       $result.= (($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></td>\n";      $result.="</select></td>\n";
    } else {
       $result.='<input type="hidden" name="'.
    'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
       "\n";
       $result.='<td align="middle"><input type="text" name="'.
    'GD_'.$student.'_'.$part.'_'.$type.'" '.
    'value="'.$score.'" size="4" /></td>'."\n";
  }   }
     }      }
     $result.='</tr>';      $result.='</tr>';
     return $result;      return $result;
 }  }
   
   #--- change scores for all the students in a section/class
   #    record does not get update if unchanged
 sub editgrades {  sub editgrades {
     my ($request) = @_;      my ($request) = @_;
   
     my $symb=$ENV{'form.symb'};      my $symb=$ENV{'form.symb'};
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }      my $url =$ENV{'form.url'};
     my $url=$ENV{'form.url'};      my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
       $title.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
     my $result.='<form action="/adm/grades" method="post">'."\n".      $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\n";
  '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".      my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
  '<input type="hidden" name="url" value="'.$url.'" />'."\n".      $result.= '<table border="0"><tr bgcolor="#deffff">'.
  '<input type="hidden" name="command" value="viewgrades" />'."\n".   '<td rowspan=2><b>Username</b></td><td rowspan=2><b>Domain</b></td><td rowspan=2><b>Fullname</b></td>'."\n";
  '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";  
           my %scoreptr = (
     my (@parts) = &getpartlist($url);      'correct'  =>'correct_by_override',
     my ($classlist) = &getclasslist($ENV{'form.section'},'0');      'incorrect'=>'incorrect_by_override',
     foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) {      'excused'  =>'excused',
  $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);      'ungraded' =>'ungraded_attempted',
     }      'nothing'  => '',
       );
     $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';      my ($classlist,undef,$fullname) = &getclasslist($ENV{'form.section'},'0');
     return $result;  
 }  
   
       my (@partid);
       my %weight = ();
       my %columns = ();
       my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
   
 #FIXME need to look at the metadata <stores> spec on what type of data to accept and provide an      my (@parts) = sort(&getpartlist($url));
 #interface based on that, also do that to above function.      my $header;
 sub setstudentgrade {      while ($ctr < $ENV{'form.totalparts'}) {
     my ($url,$symb,$courseid,$student,@parts) = @_;   my $partid = $ENV{'form.partid_'.$ctr};
     my $result ='';   push @partid,$partid;
     my ($stuname,$domain) = split(/:/,$student);   $weight{$partid} = $ENV{'form.weight_'.$partid};
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);   $ctr++;
     my %newrecord;  
   
     foreach my $part (@parts) {  
  my ($temp,$part,$type)=split(/_/,$part);  
  my $oldscore=$record{"resource.$part.$type"};  
  my $newscore=$ENV{"form.GRADE.$student.$part.$type"};  
  if ($type eq 'solved') {  
     my $update=0;  
     if ($newscore eq 'nothing' ) {  
  if ($oldscore ne '') {  
     $update=1;  
     $newscore = '';  
  }  
     } elsif ($oldscore !~ m/^$newscore/) {  
  $update=1;  
  $result.="Updating $stuname to $newscore<br />\n";  
  if ($newscore eq 'correct')   { $newscore = 'correct_by_override'; }  
  if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }  
  if ($newscore eq 'excused')   { $newscore = 'excused'; }  
  if ($newscore eq 'ungraded')  { $newscore = 'ungraded_attempted'; }  
     } else {  
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";  
     }  
     if ($update) { $newrecord{"resource.$part.$type"}=$newscore; }  
  } else {  
     if ($oldscore ne $newscore) {  
  $newrecord{"resource.$part.$type"}=$newscore;  
  $result.="Updating $student"."'s status for $part.$type to $newscore<br />\n";  
     } else {  
  #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";  
     }  
  }  
     }  
     if ( scalar(keys(%newrecord)) > 0 ) {  
  $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";  
 #       &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);  
   
  $result.="Stored away ".scalar(keys(%newrecord))." elements.<br />\n";  
     }      }
     return $result;      foreach my $partid (@partid) {
 }   $header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
       '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
    $columns{$partid}=2;
 sub sub_page_js {   foreach my $stores (@parts) {
     my $request = shift;      my ($part,$type) = &split_part_type($stores);
     $request->print(<<SUBJAVASCRIPT);      if ($part !~ m/^\Q$partid\E/) { next;}
 <script type="text/javascript" language="javascript">      if ($type eq 'awarded' || $type eq 'solved') { next; }
   function updateRadio(radioButton,formtextbox,formsel,scores) {      my $display=&Apache::lonnet::metadata($url,$stores.'.display');
      var pts = formtextbox.value;      $display =~ s/\[Part: (\w)+\]//;
      var resetbox =false;      $display =~ s/Number of Attempts/Tries/;
      if (isNaN(pts) || pts < 0) {      $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
  alert("A number equal or greater than 0 is expected. Entered value = "+pts);   '<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
  for (var i=0; i<radioButton.length; i++) {      $columns{$partid}+=2;
    if (radioButton[i].checked) {   }
       formtextbox.value = i;      }
       resetbox = true;      foreach my $partid (@partid) {
    }   $result .= '<td colspan="'.$columns{$partid}.
  }      '" align="center"><b>Part '.$partid.
  if (!resetbox) {      '</b> (Weight = '.$weight{$partid}.')</td>';
    formtextbox.value = "";  
       }
       $result .= '</tr><tr bgcolor="#deffff">';
       $result .= $header;
       $result .= '</tr>'."\n";
       my $noupdate;
       for ($i=0; $i<$ENV{'form.total'}; $i++) {
    my $line;
    my $user = $ENV{'form.ctr'.$i};
    my $usercolon = $user;
    $usercolon =~s/_/:/;
    my ($uname,$udom)=split(/_/,$user);
    my %newrecord;
    my $updateflag = 0;
    $line .= '<tr bgcolor="#ffffde"><td>'.$uname.'&nbsp;</td><td>'.
       $udom.'&nbsp;</td><td>'.
    $$fullname{$usercolon}.'&nbsp;</td>';
    my $usec=$classlist->{"$uname:$udom"}[5];
    if (!&canmodify($usec)) {
       my $numcols=scalar(@partid)*(scalar(@parts)-1)*2;
       $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
       next;
  }   }
  return;   foreach (@partid) {
     }      my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_awarded_s'};
       my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
     for (var i=0; i<radioButton.length; i++) {      my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
  radioButton[i].checked=false;      my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
  if (pts == i) {  
    radioButton[i].checked=true;      my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_awarded'};
       my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
       my $partial   = $awarded eq '' ? '' : $pcr;
       my $score;
       if ($partial eq '') {
    $score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
       } elsif ($partial > 0) {
    $score = 'correct_by_override';
       } elsif ($partial == 0) {
    $score = 'incorrect_by_override';
       }
       my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
       $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
   
       if ($dropMenu eq 'reset status' &&
    $old_score ne '') { # ignore if no previous attempts => nothing to reset
    print "reset status<br>";
    $newrecord{'resource.'.$_.'.tries'} = 0;
    $newrecord{'resource.'.$_.'.solved'} = '';
    $newrecord{'resource.'.$_.'.award'} = '';
    $newrecord{'resource.'.$_.'.awarded'} = 0;
    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
    $updateflag = 1;
       }
   
       $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
    '<td align="center">'.$awarded.
    ($score eq 'excused' ? $score : '').'&nbsp;</td>';
   
       if (!($old_part eq $partial && $old_score eq $score)) {
    $updateflag = 1;
    $newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
    $newrecord{'resource.'.$_.'.solved'}   = $score;
    $rec_update++;
       }
   
       my $partid=$_;
       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 $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>';
       }
  }   }
     }   $line.='</tr>'."\n";
     updateSelect(formsel);   if ($updateflag) {
     scores.value = "0";      $count++;
   }      &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
       $udom,$uname);
   function writeBox(formrad,formsel,pts,scores) {      $result.=$line;
     formrad.value = pts;   } else {
     scores.value = "0";      $noupdate.=$line;
     updateSelect(formsel,pts);  
     return;  
   }  
   
   function clearRadBox(radioButton,formbox,formsel,scores) {  
     for (var i=0; i<formsel.length; i++) {  
  if (formsel[i].selected) {  
     var selectx=i;  
  }   }
     }      }
     if (selectx == scores.value) { return };      if ($noupdate) {
     formbox.value = "";   my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
     for (var i=0; i<radioButton.length; i++) {   $result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occured For the Students Below</td></tr>'.$noupdate;
  radioButton[i].checked=false;  
     }      }
     scores.value = selectx;      $result .= '</table></td></tr></table>'."\n".
   }   &show_grading_menu_form ($symb,$url);
       my $msg = '<br /><b>Number of records updated = '.$rec_update.
   function updateSelect(formsel) {   ' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
     formsel[0].selected = true;   '<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
     return;      return $title.$msg.$result;
   }  
   
 //===================== Show list of keywords ====================  
   function keywords(keyform) {  
     var keywds = keyform.value;  
     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds);  
     if (nret==null) return;  
     keyform.value = nret;  
     return;  
   }  
   
 //===================== Script to view submitted by ==================  
   function viewSubmitter(submitter) {  
     document.SCORE.refresh.value = "on";  
     document.SCORE.NCT.value = "1";  
     document.SCORE.unamedom0.value = submitter;  
     document.SCORE.submit();  
     return;  
   }  
   
 //===================== Script to add keyword(s) ==================  
   function getSel() {  
     if (document.getSelection) txt = document.getSelection();  
     else if (document.selection) txt = document.selection.createRange().text;  
     else return;  
     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");  
     if (cleantxt=="") {  
  alert("Select a word or group of words from document and then click this link.");  
  return;  
     }  
     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);  
     if (nret==null) return;  
     var curlist = document.SCORE.keywords.value;  
     document.SCORE.keywords.value = curlist+" "+nret;  
     return;  
   }  
   
 //====================== Script for composing message ==============  
   function msgCenter(msgform,usrctr,fullname) {  
     var Nmsg  = msgform.savemsgN.value;  
     savedMsgHeader(Nmsg,usrctr,fullname);  
     var subject = msgform.msgsub.value;  
     var rtrchk  = eval("document.SCORE.includemsg"+usrctr);  
     var msgchk = rtrchk.value;  
 //    alert("checked=>"+msgchk);  
     re = /msgsub/;  
     var shwsel = "";  
     if (re.test(msgchk)) { shwsel = "checked" }  
     displaySubject(subject,shwsel);  
     for (var i=1; i<=Nmsg; i++) {  
  var testpt = "savemsg"+i+",";  
  re = /testpt/;  
  shwsel = "";  
  if (re.test(msgchk)) { shwsel = "checked" }  
  var message = eval("document.SCORE.savemsg"+i+".value");  
  displaySavedMsg(i,message,shwsel);  
     }  
     newmsg = eval("document.SCORE.newmsg"+usrctr+".value");  
     shwsel = "";  
     re = /newmsg/;  
     if (re.test(msgchk)) { shwsel = "checked" }  
     newMsg(newmsg,shwsel);  
     msgTail();   
     return;  
   }  
   
   function savedMsgHeader(Nmsg,usrctr,fullname) {  
     var height = 30*Nmsg+250;  
     var scrollbar = "no";  
     if (height > 600) {  
  height = 600;  
  scrollbar = "yes";  
     }  
 /*    if (window.pWin)  
  window.pWin.close(); */  
     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx=70,screeny=75,width=600,height='+height);  
     pWin.document.write("<html><head>");  
     pWin.document.write("<title>Message Central</title>");  
   
     pWin.document.write("<script language=javascript>");  
     pWin.document.write("function checkInput() {");  
     pWin.document.write("  opener.document.SCORE.msgsub.value = document.msgcenter.msgsub.value;");  
     pWin.document.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");  
     pWin.document.write("  var usrctr = document.msgcenter.usrctr.value;");  
     pWin.document.write("  var newval = eval(\\"opener.document.SCORE.newmsg\\"+usrctr);");  
     pWin.document.write("  newval.value = document.msgcenter.newmsg.value;");  
   
     pWin.document.write("  var msgchk = \\"\\";");  
     pWin.document.write("  if (document.msgcenter.subchk.checked) {");  
     pWin.document.write("     msgchk = \\"msgsub,\\";");  
     pWin.document.write("  }");  
     pWin.document.write(   "for (var i=1; i<=nmsg; i++) {");  
     pWin.document.write("      var opnmsg = eval(\\"opener.document.SCORE.savemsg\\"+i);");  
     pWin.document.write("      var frmmsg = eval(\\"document.msgcenter.msg\\"+i);");  
     pWin.document.write("      opnmsg.value = frmmsg.value;");  
     pWin.document.write("      var chkbox = eval(\\"document.msgcenter.msgn\\"+i);");  
     pWin.document.write("      if (chkbox.checked) {");  
     pWin.document.write("         msgchk += \\"savemsg\\"+i+\\",\\";");  
     pWin.document.write("      }");  
     pWin.document.write("  }");  
     pWin.document.write("  if (document.msgcenter.newmsgchk.checked) {");  
     pWin.document.write("     msgchk += \\"newmsg\\"+usrctr;");  
     pWin.document.write("  }");  
     pWin.document.write("  var includemsg = eval(\\"opener.document.SCORE.includemsg\\"+usrctr);");  
     pWin.document.write("  includemsg.value = msgchk;");  
   
 //    pWin.document.write("  alert(\\"slected=\\"+msgchk)");  
     pWin.document.write("  self.close()");  
   
     pWin.document.write("}");  
   
     pWin.document.write("<");  
     pWin.document.write("/script>");  
   
     pWin.document.write("</head><body bgcolor=white>");  
   
     pWin.document.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");  
     pWin.document.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");  
     pWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");  
   
     pWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");  
     pWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");  
     pWin.document.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");  
 }  
     function displaySubject(msg,shwsel) {  
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");  
     pWin.document.write("<td>Subject</td>");  
     pWin.document.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");  
     pWin.document.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+" \\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");  
 }  
   
 function displaySavedMsg(ctr,msg,shwsel) {  
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");  
     pWin.document.write("<td align=\\"center\\">"+ctr+"</td>");  
     pWin.document.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");  
     pWin.document.write("<td><input name=\\"msg"+ctr+"\\" type=\\"text\\" value=\\""+msg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");  
 }  
   
   function newMsg(newmsg,shwsel) {  
     pWin.document.write("<tr bgcolor=\\"#ffffdd\\">");  
     pWin.document.write("<td align=\\"center\\">New</td>");  
     pWin.document.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");  
     pWin.document.write("<td><input name=\\"newmsg\\" type=\\"text\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" value=\\""+newmsg+" \\" size=\\"60\\" maxlength=\\"80\\"></td></tr>");  
 }  }
   
   function msgTail() {  sub split_part_type {
     pWin.document.write("</table>");      my ($partstr) = @_;
     pWin.document.write("</td></tr></table>&nbsp;");      my ($temp,@allparts)=split(/_/,$partstr);
     pWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");      my $type=pop(@allparts);
     pWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");      my $part=join('.',@allparts);
     pWin.document.write("</form>");      return ($part,$type);
     pWin.document.write("</body></html>");  
 }  }
   
 //====================== Script for keyword highlight options ==============  #------------- end of section for handling grading by section/class ---------
   function kwhighlight() {  #
     var kwclr    = document.SCORE.kwclr.value;  #----------------------------------------------------------------------------
     var kwsize   = document.SCORE.kwsize.value;  
     var kwstyle  = document.SCORE.kwstyle.value;  
     var redsel = "";  
     var grnsel = "";  
     var blusel = "";  
     if (kwclr=="red")   {var redsel="checked"};  
     if (kwclr=="green") {var grnsel="checked"};  
     if (kwclr=="blue")  {var blusel="checked"};  
     var sznsel = "";  
     var sz1sel = "";  
     var sz2sel = "";  
     if (kwsize=="0")  {var sznsel="checked"};  
     if (kwsize=="+1") {var sz1sel="checked"};  
     if (kwsize=="+2") {var sz2sel="checked"};  
     var synsel = "";  
     var syisel = "";  
     var sybsel = "";  
     if (kwstyle=="")    {var synsel="checked"};  
     if (kwstyle=="<i>") {var syisel="checked"};  
     if (kwstyle=="<b>") {var sybsel="checked"};  
     highlightCentral();  
     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);  
     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);  
     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);  
     highlightend();  
     return;  
   }  
   
   
   function highlightCentral() {  
     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx=100,screeny=75');  
     hwdWin.document.write("<html><head>");  
     hwdWin.document.write("<title>Highlight Central</title>");  
   
     hwdWin.document.write("<script language=javascript>");  
     hwdWin.document.write("function updateChoice(flag) {");  
     hwdWin.document.write("  opener.document.SCORE.kwclr.value = radioSelection(document.hlCenter.kwdclr);");  
     hwdWin.document.write("  opener.document.SCORE.kwsize.value = radioSelection(document.hlCenter.kwdsize);");  
     hwdWin.document.write("  opener.document.SCORE.kwstyle.value = radioSelection(document.hlCenter.kwdstyle);");  
 //    hwdWin.document.write("     var kwords=opener.document.SCORE.keywords.value;");  
 //    hwdWin.document.write("     alert(\\"keywords=\\"+opener.document.SCORE.keywords.value);");  
 //    hwdWin.document.write("     return;");  
   
     hwdWin.document.write("  if (flag==1){");  
     hwdWin.document.write("     opener.document.SCORE.refresh.value = \\"on\\";");  
     hwdWin.document.write("     if (opener.document.SCORE.keywords.value!=\\"\\"){");  
     hwdWin.document.write("        opener.document.SCORE.submit();");  
     hwdWin.document.write("     }");  
     hwdWin.document.write("   }");  
     hwdWin.document.write("  self.close()");  
     hwdWin.document.write("}");  
   
     hwdWin.document.write("function radioSelection(radioButton) {");  
     hwdWin.document.write("    var selection=null;");  
     hwdWin.document.write("    for (var i=0; i<radioButton.length; i++) {");  
     hwdWin.document.write("        if (radioButton[i].checked) {");  
     hwdWin.document.write("            selection=radioButton[i].value;");  
     hwdWin.document.write("            return selection;");  
     hwdWin.document.write("        }");  
     hwdWin.document.write("    }");  
     hwdWin.document.write("}");  
   
     hwdWin.document.write("<");  
     hwdWin.document.write("/script>");  
   
     hwdWin.document.write("</head><body bgcolor=white>");  
   
     hwdWin.document.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");  
     hwdWin.document.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");  
   
     hwdWin.document.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");  
     hwdWin.document.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");  
     hwdWin.document.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");  
   }  
   
   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) {   
     hwdWin.document.write("<tr bgcolor=\\"#ffffdd\\">");  
     hwdWin.document.write("<td align=\\"left\\">");  
     hwdWin.document.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");  
     hwdWin.document.write("<td align=\\"left\\">");  
     hwdWin.document.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");  
     hwdWin.document.write("<td align=\\"left\\">");  
     hwdWin.document.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");  
     hwdWin.document.write("</tr>");  
   }  
   
   function highlightend() {   
     hwdWin.document.write("</table>");  
     hwdWin.document.write("</td></tr></table>&nbsp;");  
     hwdWin.document.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(0)\\">&nbsp;&nbsp;");  
     hwdWin.document.write("<input type=\\"button\\" value=\\"Save & Refresh\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");  
     hwdWin.document.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");  
     hwdWin.document.write("</form>");  
     hwdWin.document.write("</body></html>");  
   }  
   
 </script>  
 SUBJAVASCRIPT  
 }  
   
   #----------------------------------------------------------------------------
   #
   #-------------------------- Next few routines handles grading by csv upload
   #
   #--- Javascript to handle csv upload
 sub csvupload_javascript_reverse_associate {  sub csvupload_javascript_reverse_associate {
   return(<<ENDPICK);    return(<<ENDPICK);
   function verify(vf) {    function verify(vf) {
Line 1754  ENDPICK Line 2473  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: $distotal <hr />
Line 1779  to this page if the data selected is ins Line 2501  to this page if the data selected is ins
                                        value="$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 '';      $request->print(&show_grading_menu_form($symb,$url));
       return '';
   
 }  }
   
Line 1815  sub csvuploadmap_footer { Line 2540  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 1831  sub csvuploadmap { Line 2600  sub csvuploadmap {
     my ($i,$keyfields);      my ($i,$keyfields);
     if (@records) {      if (@records) {
  my @fields=&csvupload_fields($url);   my @fields=&csvupload_fields($url);
   
  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 1846  sub csvuploadmap { Line 2616  sub csvuploadmap {
  }   }
     }      }
     &csvuploadmap_footer($request,$i,$keyfields);      &csvuploadmap_footer($request,$i,$keyfields);
       $request->print(&show_grading_menu_form($symb,$url));
   
     return '';      return '';
 }  }
   
Line 1854  sub csvuploadassign { Line 2626  sub csvuploadassign {
     my ($symb,$url)=&get_symb_and_url($request);      my ($symb,$url)=&get_symb_and_url($request);
     if (!$symb) {return '';}      if (!$symb) {return '';}
     &Apache::loncommon::load_tmp_file($request);      &Apache::loncommon::load_tmp_file($request);
     my @gradedata=&Apache::loncommon::upfile_record_sep();      my @gradedata = &Apache::loncommon::upfile_record_sep();
     my @keyfields = split(/\,/,$ENV{'form.keyfields'});      my @keyfields = split(/\,/,$ENV{'form.keyfields'});
     my %fields=();      my %fields=();
     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {      for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
Line 1870  sub csvuploadassign { Line 2642  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 $grade (@gradedata) {
Line 1883  sub csvuploadassign { Line 2654  sub csvuploadassign {
     push(@skipped,"$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 1901  sub csvuploadassign { Line 2677  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"); }
       }
       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"); }
     }      }
     $request->print(&view_edit_entire_class_form($symb,$url));      $request->print("<br />\n");
     $request->print(&show_grading_menu_form($symb,$url));      $request->print(&show_grading_menu_form($symb,$url));
     return '';      return '';
 }  }
   #------------- end of section for handling csv file upload ---------
   #
   #-------------------------------------------------------------------
   #
   #-------------- Next few routines handle grading by page/sequence
   #
   #--- Select a page/sequence and a student to grade
   sub pickStudentPage {
       my ($request) = shift;
   
 sub send_header {      $request->print(<<LISTJAVASCRIPT);
     my ($request)= @_;  <script type="text/javascript" language="javascript">
     $request->print(&Apache::lontexconvert::header());  
 #  $request->print("  function checkPickOne(formname) {
 #<script>      if (radioSelection(formname.student) == null) {
 #remotewindow=open('','homeworkremote');   alert("Please select the student you wish to grade.");
 #remotewindow.close();   return;
 #</script>");       }
     $request->print('<body bgcolor="#FFFFFF">');      ptr = pullDownSelection(formname.selectpage);
       formname.page.value = formname["page"+ptr].value;
       formname.title.value = formname["title"+ptr].value;
       formname.submit();
 }  }
   
 sub send_footer {  </script>
     my ($request)= @_;  LISTJAVASCRIPT
     $request->print('</body>');      &commonJSfunctions($request);
     $request->print(&Apache::lontexconvert::footer());      my ($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 ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
       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 /> 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="Submit" /><br />'."\n";
   
       $request->print($result);
   
       my $studentTable.='&nbsp;<b>Select a student you wish to grade</b><br>'.
    '<table border="0"><tr><td bgcolor="#777777">'.
    '<table border="0"><tr bgcolor="#e6ffff">'.
    '<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
    '<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
    '<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
    '<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></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%4 == 1 ? '<tr bgcolor="#ffffe6"><td>' : '</td><td>');
    $studentTable.='<input type="radio" name="student" value="'.$student.'" /> '.$$fullname{$student}.
       '<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font>'."\n";
    $studentTable.=($ptr%4 == 0 ? '</td></tr>' : '');
    $ptr++;
       }
       $studentTable.='</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%4 == 2);
       $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%4 == 3);
       $studentTable.='</td><td>&nbsp;' if ($ptr%4 == 0);
       $studentTable.='</td></tr></table></td></tr></table>'."\n";
       $studentTable.='<br /><input type="button" '.
    'onClick="javascript:checkPickOne(this.form);"value="Submit" /></form>'."\n";
   
       $studentTable.=&show_grading_menu_form($symb,$url);
       $request->print($studentTable);
   
       return '';
   }
   
   sub getSymbMap {
       my ($request) = @_;
       my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
     $ENV{'request.course.fn'}.'_parms.db');
       $navmap->init();
   
       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;
   }
   
   #
   #--- Displays a page/sequence w/wo problems, w/wo submissions
   sub displayPage {
       my ($request) = shift;
   
       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 $pageTitle = $ENV{'form.page'};
       my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
       my ($uname,$udom) = split(/:/,$ENV{'form.student'});
       my $usec=$classlist->{$ENV{'form.student'}}[5];
       if (!&canview($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: '.$$fullname{$ENV{'form.student'}}.
    '<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
   
       &sub_page_js($request);
       $request->print($result);
   
       my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
     $ENV{'request.course.fn'}.'_parms.db',1, 1);
       my ($mapUrl, $id, $resUrl) = split(/___/, $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) = (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) && $curRes->is_problem() && !$curRes->randomout) {
           if (ref($curRes) && $curRes->is_problem()) {
       my $parts = $curRes->parts();
               my $title = $curRes->compTitle();
       my $symbx = $curRes->symb();
       $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
    (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);
       } 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}) {
    $responseType{$partid} = $curRes->responseType($partid);
       }
       $studentTable.= &displaySubByDates(\$symbx,\%record,$parts,\%responseType,$checkIcon);
    }
       } elsif ($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++;
    }
       }
       $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";
       $studentTable.=&show_grading_menu_form($symb,$url);
       $request->print($studentTable);
   
       return '';
   }
   
   sub displaySubByDates {
       my ($symbx,$record,$parts,$responseType,$checkIcon) = @_;
       my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
    '<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
    '<td><b>Date/Time</b></td>'.
    '<td><b>Submission</b></td>'.
    '<td><b>Status&nbsp;</b></td></tr>';
       my ($version);
       my %mark;
       $mark{'correct_by_student'} = $checkIcon;
       return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />' 
    if (!exists($$record{'1:timestamp'}));
       for ($version=1;$version<=$$record{'version'};$version++) {
    my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
    $studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
    my @versionKeys = split(/\:/,$$record{$version.':keys'});
    my @displaySub = ();
    foreach my $partid (@{$parts}) {
       my @matchKey = grep /^resource\.$partid\..*?\.submission$/,@versionKeys;
   #    next if ($$record{"$version:resource.$partid.solved"} eq '');
       $displaySub[0].=(exists $$record{$version.':'.$matchKey[0]}) ? 
    '<b>Part&nbsp;'.$partid.'&nbsp;'.
    ($$record{"$version:resource.$partid.tries"} eq '' ? 'Trial&nbsp;not&nbsp;counted' :
    'Trial&nbsp;'.$$record{"$version:resource.$partid.tries"}).'</b>&nbsp; '.
    &cleanRecord($$record{$version.':'.$matchKey[0]},$$responseType{$partid},$$symbx).'<br />' : '';
       $displaySub[1].=(exists $$record{"$version:resource.$partid.award"}) ?
    '<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
    lc($$record{"$version:resource.$partid.award"}).' '.
    $mark{$$record{"$version:resource.$partid.solved"}}.'<br />' : '';
       $displaySub[2].=(exists $$record{"$version:resource.$partid.regrader"}) ?
    $$record{"$version:resource.$partid.regrader"}.' (<b>Part:</b> '.$partid.')' : '';
    }
    $displaySub[2].=(exists $$record{"$version:resource.regrader"}) ?
       $$record{"$version:resource.regrader"} : '';
    $studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1].
       ($displaySub[2] eq '' ? '' : 'Manually graded by '.$displaySub[2]).'&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>';
       $result.='<h3>&nbsp;Student: '.$ENV{'form.fullname'}.
    '<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
   
       $request->print($result);
   
       my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
     $ENV{'request.course.fn'}.'_parms.db',1, 1);
       my ($mapUrl, $id, $resUrl) = split(/___/, $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,$question,$changeflag)= (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();
       $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
    (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
       print "got to reset = $ENV{'form.solved'.$question.'_'.$partid}:<br>";
       $newrecord{'resource.'.$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 $oldstatus = $ENV{'form.solved'.$question.'_'.$partid};
    $displayPts[0].='&nbsp;<b>Part</b> '.$partid.' = '.
       (($oldstatus eq 'excused') ? 'excused' : $oldpts).
       '&nbsp;<br>';
    $displayPts[1].='&nbsp;<b>Part</b> '.$partid.' = '.
        (($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>';
   
    }
           $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 ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
       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;
   }
   
   sub scantron_uploads {
       if (!-e $Apache::lonnet::perlvar{'lonScansDir'}) { return ''};
       my $result= '<select name="scantron_selectfile">';
       opendir(DIR,$Apache::lonnet::perlvar{'lonScansDir'});
       my @files=sort(readdir(DIR));
       foreach my $filename (@files) {
    if ($filename eq '.' or $filename eq '..') { next; }
    $result.="<option>$filename</option>\n";
       }
       closedir(DIR);
       $result.="</select>";
       return $result;
   }
   
   sub scantron_scantab {
       my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
       my $result='<select name="scantron_format">'."\n";
       foreach my $line (<$fh>) {
    my ($name,$descrip)=split(/:/,$line);
    if ($name =~ /^\#/) { next; }
    $result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
       }
       $result.='</select>'."\n";
   
       return $result;
   }
   
   sub scantron_selectphase {
       my ($r) = @_;
       my ($symb,$url)=&get_symb_and_url($r);
       if (!$symb) {return '';}
       my $sequence_selector=&getSequenceDropDown($r,$symb);
       my $default_form_data=&defaultFormData($symb,$url);
       my $grading_menu_button=&show_grading_menu_form($symb,$url);
       my $file_selector=&scantron_uploads();
       my $format_selector=&scantron_scantab();
       my $result;
       $result.= <<SCANTRONFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantro_process">
     <input type="hidden" name="command" value="scantron_process" />
     $default_form_data
     <table width="100%" border="0">
       <tr>
         <td bgcolor="#777777">
           <table width="100%" border="0">
             <tr bgcolor="#e6ffff">
               <td>
                 &nbsp;<b>Specify file location and which Folder/Sequence to grade</b>
               </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td>
                  Sequence to grade: $sequence_selector
       </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td>
    Filename of scoring office file: $file_selector
       </td>
             </tr>
             <tr bgcolor="#ffffe6">
               <td>
                 Format of data file: $format_selector
       </td>
             </tr>
           </table>
         </td>
       </tr>
     </table>
     <input type="submit" value="Submit" />
   </form>
   $grading_menu_button
   SCANTRONFORM
   
       return $result;
   }
   
   sub get_scantron_config {
       my ($which) = @_;
       my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
       my %config;
       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];
    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_parse_scanline {
       my ($line,$scantron_config)=@_;
       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'});
    } else {
       #FIXME interpret first N questions
    }
       }
       $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
     $$scantron_config{'IDlength'});
       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'}/,$currentquest);
    if (scalar(@array) gt 2) {
       #FIXME do something intelligent with double bubbles
       Apache->request->print("<br ><b>Wha!!!</b> <pre>".scalar(@array).
      '-'.$currentquest.'-'.$questnum.'</pre><br />');
    }
    if (length($array[0]) eq $$scantron_config{'Qlength'}) {
       $record{"scantron.$questnum.answer"}='';
    } else {
       $record{"scantron.$questnum.answer"}=$alphabet[length($array[0])];
    }
       }
       $record{'scantron.maxquest'}=$questnum;
       return \%record;
   }
   
   sub scantron_add_delay {
   }
   
   sub scantron_find_student {
       my ($scantron_record,$idmap)=@_;
       my $scanID=$$scantron_record{'scantron.ID'};
       foreach my $id (keys(%$idmap)) {
    Apache->request->print('<pre>checking studnet -'.$id.'- againt -'.$scanID.'- </pre>');
    if (lc($id) eq lc($scanID)) { Apache->request->print('success');return $$idmap{$id}; }
       }
       return undef;
   }
   
   sub scantron_filter {
       my ($curres)=@_;
       if (ref($curres) && $curres->is_problem() && !$curres->randomout) {
    return 1;
       }
       return 0;
   }
   
   sub scantron_process_students {
       my ($r) = @_;
       my (undef,undef,$sequence)=split(/___/,$ENV{'form.selectpage'});
       my ($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 $scanlines=Apache::File->new($Apache::lonnet::perlvar{'lonScansDir'}."/$ENV{'form.scantron_selectfile'}");
       my @scanlines=<$scanlines>;
       my $classlist=&Apache::loncoursedata::get_classlist();
       my %idmap=&username_to_idmap($classlist);
       my $navmap=Apache::lonnavmaps::navmap->new($ENV{'request.course.fn'}.'.db',$ENV{'request.course.fn'}.'_parms.db',1, 1);
       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 $totalcorrect;
       my $totalincorrect;
   
       my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,
              'Scantron Status','Scantron Progress',scalar(@scanlines));
       foreach my $line (@scanlines) {
    my $studentcorrect;
    my $studentincorrect;
   
    chomp($line);
    my $scan_record=&scantron_parse_scanline($line,\%scantron_config);
    my ($uname,$udom);
    if ($uname=&scantron_find_student($scan_record,\%idmap)) {
       &scantron_add_delay(\@delayqueue,$line,
    'Unable to find a student that matches');
    }
    $r->print('<pre>doing studnet'.$uname.'</pre>');
    ($uname,$udom)=split(/:/,$uname);
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonnet::appenv(%$scan_record);
   #    &Apache::lonhomework::showhash(%ENV);
       $Apache::lonxml::debug=1;
    &Apache::lonxml::debug("line is $line");
   
       my $i=0;
    foreach my $resource (@resources) {
       $i++;
       my $result=&Apache::lonnet::ssi($resource->src(),
    ('submitted'     =>'scantron',
     'grade_target'  =>'grade',
     'grade_username'=>$uname,
     'grade_domain'  =>$udom,
     'grade_courseid'=>$ENV{'request.course.id'},
     'grade_symb'    =>$resource->symb()));
       my %score=&Apache::lonnet::restore($resource->symb(),
          $ENV{'request.course.id'},
          $udom,$uname);
       foreach my $part ($resource->{PARTS}) {
    if ($score{'resource.'.$part.'.solved'} =~ /^correct/) {
       $studentcorrect++;
       $totalcorrect++;
    } else {
       $studentincorrect++;
       $totalincorrect++;
    }
       }
       $r->print('<pre>'.
         $resource->symb().'-'.
         $resource->src().'-'.'</pre>result is'.$result);
       &Apache::lonhomework::showhash(%score);
    #    if ($i eq 3) {last;}
    }
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonnet::delenv('scantron\.');
    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                'last student Who got a '.$studentcorrect.' correct and '.
        $studentincorrect.' incorrect. The class has gotten '.
                $totalcorrect.' correct and '.$totalincorrect.' incorrect');
    last;
    #FIXME
    #get iterator for $sequence
    #foreach question 'submit' the students answer to the server
    #   through grade target {
    #   generate data to pass back that includes grade recevied
    #}
       }
       $Apache::lonxml::debug=0;
       foreach my $delay (@delayqueue) {
    #FIXME
    #print out each delayed student with interface to select how
    #  to repair student provided info
    #Expected errors include
    #  1 bad/no stuid/username
    #  2 invalid bubblings
   
       }
       #FIXME
       # if delay queue exists 2 submits one to process delayed students one
       #     to ignore delayed students, possibly saving the delay queue for later
       
       $navmap->untieHashes();
   }
   #-------- 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="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
    '<input type="hidden" name="command" value="gradingmenu" />'."\n".
    '<input type="submit" name="submit" value="Grading Menu" />'."\n".
    '</form>'."\n";
       return $result;
   }
   
   # -- Retrieve choices for grading form
   sub savedState {
       my %savedState = ();
       if ($ENV{'form.saveState'}) {
    foreach (split(/:/,$ENV{'form.saveState'})) {
       my ($key,$value) = split(/=/,$_,2);
       $savedState{$key} = $value;
    }
       }
       return \%savedState;
   }
   
   #--- 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="+radioSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
    if (val < 5) formname.submit();
    if (val == 5) {
       if (!checkReceiptNo(formname,'notOK')) { return false;}
       formname.submit();
    }
       }
   
       function checkReceiptNo(formname,nospace) {
    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>';
       $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
    '&nbsp;Select Section: <select name="section">'."\n";
       if (ref($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; ';
   
       $result.='Student Status:</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
   
       if (ref($sections)) {
    $result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
       if (grep /no/,@$sections);
       }
       $result.='</td></tr>';
   
       $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
    '<input type="radio" name="radioChoice" value="submission" '.
    ($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students'.
    '<br />&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-->For students with '.
    '<input type="radio" name="submitonly" value="yes" '.
    ($saveSub eq 'yes' ? 'checked' : '').' /> submissions or '.
    '<input type="radio" name="submitonly" value="all" '.
    ($saveSub eq 'all' ? 'checked' : '').' /> for all</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="View/Grade/Regrade" />'.
    '</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="Upload" />'.
    ' 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="Grade" /> scantron forms</td></tr>'."\n";
   
       if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb)) {
    $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
       '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="Verify" />'.
       ' submission Receipt no: '.unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).
       '-<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;
 }  }
   
 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');   $request->content_type('text/xml');
     } else {      } else {
  $request->content_type('text/html');   $request->content_type('text/html');
     }      }
     $request->send_http_header;      $request->send_http_header;
     return OK if $request->header_only;      return '' 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'};
Line 1957  sub handler { Line 3623  sub handler {
  if ($tsymb) {   if ($tsymb) {
     my ($map,$id,$url)=split(/\_\_\_/,$tsymb);      my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
     if (&Apache::lonnet::allowed('mgr',$tcrsid)) {      if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
  $request->print(   $request->print(&Apache::lonnet::ssi_body('/res/'.$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 {
  $request->print('<h1>Not authorized: '.$token.'</h1>');   $request->print('<h3>Not authorized: '.$token.'</h3>');
     }                 }
  } else {   } else {
     $request->print('<h1>Not a valid DocID: '.$token.'</h1>');      $request->print('<h3>Not a valid DocID: '.$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 ($command eq 'receiptInput') {   } elsif ($command eq 'csvuploadassign' && $perm{'mgr'}) {
 #      &receiptInput($request);  
  } elsif ($command eq 'csvuploadassign') {  
     if ($ENV{'form.associate'} ne 'Reverse Association') {      if ($ENV{'form.associate'} ne 'Reverse Association') {
  $request->print(&csvuploadassign($request));   $request->print(&csvuploadassign($request));
     } else {      } else {
Line 2010  sub handler { Line 3691  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_process' && $perm{'mgr'}) {
       $request->print(&scantron_process_students($request));
    } elsif ($command) {
       $request->print("Access Denied");
  }   }
     }      }
     &send_footer($request);      &send_footer($request);
     return OK;      return '';
   }
   
   sub send_header {
       my ($request)= @_;
       $request->print(&Apache::lontexconvert::header());
   #  $request->print("
   #<script>
   #remotewindow=open('','homeworkremote');
   #remotewindow.close();
   #</script>"); 
       $request->print(&Apache::loncommon::bodytag('Grading'));
   }
   
   sub send_footer {
       my ($request)= @_;
       $request->print('</body>');
       $request->print(&Apache::lontexconvert::footer());
 }  }
   
 1;  1;

Removed from v.1.42  
changed lines
  Added in v.1.125


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