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Diff for /loncom/homework/grades.pm between versions 1.12 and 1.13

version 1.12, 2001/08/06 16:37:58 version 1.13, 2001/08/06 20:29:37
Line 1 Line 1
 # The LON-CAPA grading handler.  # The LON-CAPA Grading handler
 #  # 2/9,2/13 Guy Albertelli
 # Handles the viewing of grades.  
 #  
 # YEAR=2001  
 # 2/7,2/9,2/13,4/16,4/17,5/1 Guy Albertelli  
 # 6/8 Gerd Kortemeyer  # 6/8 Gerd Kortemeyer
 # 7/26 Guy Albertelli  # 7/26 H.K. Ng
 # 7/27 H.K. Ng  
 # 7/30 Guy Albertelli  
 # 8/6 Scott Harrison  
   
 package Apache::grades;  package Apache::grades;
 use strict;  use strict;
Line 19  use Apache::loncommon; Line 12  use Apache::loncommon;
 use Apache::lonhomework;  use Apache::lonhomework;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   
 # ======================================================== Get more information  
 sub moreinfo {  sub moreinfo {
     my ($request,$reason) = @_;    my ($request,$reason) = @_;
     $request->print("Unable to process request: $reason");    $request->print("Unable to process request: $reason");
     if ( $Apache::grades::viewgrades eq 'F' ) {    if ( $Apache::grades::viewgrades eq 'F' ) {
  $request->print('<form action="/adm/grades" method="post">'."\n");      $request->print('<form action="/adm/grades" method="post">'."\n");
  $request->print('<input type="hidden" name="url" value="'.      $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'"></input>'."\n");
  $ENV{'form.url'}.'"></input>'."\n");      $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'"></input>'."\n");
  $request->print('<input type="hidden" name="command" value="'.      $request->print("Student:".'<input type="text" name="student" value="'.$ENV{'form.student'}.'"></input>'."<br />\n");
  $ENV{'form.command'}.'"></input>'."\n");      $request->print("Domain:".'<input type="text" name="domain" value="'.$ENV{'user.domain'}.'"></input>'."<br />\n");
  $request->print("Student:".      $request->print('<input type="submit" name="submit" value="ReSubmit"></input>'."<br />\n");
  '<input type="text" name="student" value="'.      $request->print('</form>');
  $ENV{'form.student'}.'"></input>'."<br />\n");    }
  $request->print("Domain:".    return '';
  '<input type="text" name="domain" value="'.  
  $ENV{'user.domain'}.'"></input>'."<br />\n");  
  $request->print('<input type="submit" name="submit" '.  
  'value="ReSubmit"></input>'."<br />\n");  
  $request->print('</form>');  
     }  
     return '';  
 }  }
   
 # ========================================= Displays the class list of students  
 sub listStudents {  sub listStudents {
     my ($request) = shift;    my ($request) = shift;
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});    my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};    my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
     $request->print ("Found $cdom:$cnum:$chome<br />");    $request->print ("Found $cdom:$cnum:$chome<br />");
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');    my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {    foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
  my ($sname,$sdom) = split(/:/,$student);        my ($sname,$sdom) = split(/:/,$student);
  my $reply = &Apache::lonnet::reply('get:'.$sdom.':'.$sname.  
     ':environment:lastname&generation&firstname&middle'.        my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
     'name',&Apache::lonnet::homeserver($sname,$sdom));       ':environment:lastname&generation&firstname&middlename',
  print "reply=$reply<br>";        &Apache::lonnet::homeserver($sname,$sdom));
  my (@nameparts) = split /&/,$reply;        print "reply=$reply<br>";
 #        my $sfullname = $Apache::lonnet::unescape($nameparts[0]);        my (@nameparts) = split /&/,$reply;
  if ( $Apache::grades::viewgrades eq 'F' ) {  #      my $sfullname = $Apache::lonnet::unescape($nameparts[0]);
     $request->print('<form action="/adm/grades" method="post">'."\n");  
     $request->print("$sname @nameparts\n");        if ( $Apache::grades::viewgrades eq 'F' ) {
     $request->print('<input type="hidden" name="url" value="'.    $request->print('<form action="/adm/grades" method="post">'."\n");
     $ENV{'form.url'}.'"></input>'."\n");    $request->print("$sname @nameparts\n");
     $request->print('<input type="hidden" name="command" value="'.    $request->print('<input type="hidden" name="url" value="'.$ENV{'form.url'}.'"></input>'."\n");
     $ENV{'form.command'}.'"></input>'."\n");    $request->print('<input type="hidden" name="command" value="'.$ENV{'form.command'}.'"></input>'."\n");
     $request->print('<input type="hidden" name="student" '.    $request->print('<input type="hidden" name="student" value="'.$sname.'"></input>'."\n");
     'value="'.$sname.'"></input>'."\n");    $request->print('<input type="hidden" name="domain" value="'.$sdom.'"></input>'."\n");
     $request->print('<input type="hidden" name="domain" '.    $request->print('<input type="submit" name="submit" value="View"></input>'."<br />\n");
     'value="'.$sdom.'"></input>'."\n");    $request->print('</form>');
     $request->print('<input type="submit" name="submit" '.        }
     'value="View"></input>'."<br />\n");    }
     $request->print('</form>');  
  }  
     }  
 }  }
   
 # ========== Finds a user based on a name substring (returns a 2 element array)  
 #FIXME - needs to handle multiple matches  #FIXME - needs to handle multiple matches
 sub finduser {  sub finduser {
     my ($name) = @_;    my ($name) = @_;
     my $domain = '';    my $domain = '';
     if ( $Apache::grades::viewgrades eq 'F' ) {  
  #get classlist    if ( $Apache::grades::viewgrades eq 'F' ) {
  my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});      #get classlist
  my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};      my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
  #print "Found $cdom:$cnum:$chome<br />";      my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
  my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');      #print "Found $cdom:$cnum:$chome<br />";
  foreach my $student ( sort(@{ $classlist{'allids'} }) ) {      my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
     my ($posname,$posdomain) = split(/:/,$student);      foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
     if ($posname =~ $name) {         my ($posname,$posdomain) = split(/:/,$student);
  $name = $posname;        if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; }
  $domain = $posdomain;  
  last;  
     }  
  }  
  return ($name,$domain);  
     } else {  
  return ($ENV{'user.name'},$ENV{'user.domain'});  
     }      }
       return ($name,$domain);
     } else {
       return ($ENV{'user.name'},$ENV{'user.domain'});
     }
 }  }
   
 # ===================================== Gets a class list (returns a hash list)  
 sub getclasslist {  sub getclasslist {
     my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;    my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;
     my $classlist = &Apache::lonnet::reply('dump:'.$coursedomain.':'.    my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);
  $coursenum.':classlist',$coursehome);    my %classlist=();
     my %classlist = ();    my $now = time;
     my $now = time;    foreach my $record (split /&/, $classlist) {
     foreach my $record (split /&/, $classlist) {      my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
  my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));      my ($end,$start)=split(/:/,$value);
  my ($end,$start)=split(/:/,$value);      # still a student?
  # still a student?      if (($hideexpired) && ($end) && ($end < $now)) {
  if (($hideexpired) && ($end) && ($end < $now)) {        print "Skipping:$name:$end:$now<br />\n";
     print "Skipping:$name:$end:$now<br />\n";        next;
     next;      }
  }      print "record=$record<br>";
  print "record=$record<br>";      push( @{ $classlist{'allids'} }, $name); 
  push( @{ $classlist{'allids'} }, $name);     }
     }    return (%classlist);
     return (%classlist);  
 }  }
   
 # ============================== Get parts of a stored value (returns an array)  
 sub getpartlist {  sub getpartlist {
     my ($url) = @_;    my ($url) = @_;
     my @parts =();    my @parts =();
     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));    my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
     foreach my $key (@metakeys) {    foreach my $key (@metakeys) {
  if ( $key =~ m/stores_([0-9]+)_.*/ ) {      if ( $key =~ m/stores_([0-9]+)_.*/ ) {
     push(@parts,$key);        push(@parts,$key);
  }  
     }      }
     return @parts;    }
     return @parts;
 }  }
   
 # =================================== Displays student grade (returns a string)  
 sub viewstudentgrade {  sub viewstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
     my $result = '';    my $result ='';
     my $cellclr = '"#ffffdd"';    my $cellclr = '"#ffffdd"';
     my ($stuname,$domain) = split(/:/,$student);    my ($stuname,$domain) = split(/:/,$student);
     my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$stuname);  
     $result .= "<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=".    my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
        "\"$cellclr\" align=\"middle\">$domain</td>\n";  
     foreach my $part (@parts) {    $result.="<tr><td bgcolor=$cellclr>$stuname</td><td bgcolor=$cellclr align=\"middle\">$domain</td>\n";
  my ($temp,$part,$type)=split(/_/,$part);    foreach my $part (@parts) {
  #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";      my ($temp,$part,$type)=split(/_/,$part);
  if ($type eq 'awarded') {      #print "resource.$part.$type = ".$record{"resource.$part.$type"}." <br />\n";
     my $score = $record{"resource.$part.$type"};      if ($type eq 'awarded') {
     $result .= "<td bgcolor=$cellclr align=\"middle\">".        my $score=$record{"resource.$part.$type"};
        "<input type=\"text\" name=".        $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n";
        "\"GRADE.$student.$part.$type\" ".      } elsif ($type eq 'tries') {
        "value=\"$score\" size=\"4\" /></td>\n";        my $score=$record{"resource.$part.$type"};
  } elsif ($type eq 'tries') {        $result.="<td bgcolor=$cellclr align=\"middle\"><input type=\"text\" name=\"GRADE.$student.$part.$type\" value=\"$score\" size=\"4\" /></td>\n"
     my $score = $record{"resource.$part.$type"};      } elsif ($type eq 'solved') {
     $result .= "<td bgcolor=$cellclr align=\"middle\"><input ".        my $score=$record{"resource.$part.$type"};
        "type=\"text\" name=\"GRADE.$student.$part.".        $result.="<td bgcolor=$cellclr align=\"middle\"><select name=\"GRADE.$student.$part.$type\">\n";
         "$type\" value=\"$score\" size=\"4\" /></td>\n";        if ($score =~ /^correct/) {
  } elsif ($type eq 'solved') {   $result.="<option selected=\"on\">correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
     my $score = $record{"resource.$part.$type"};        } elsif ($score =~ /^incorrect/) {
     $result .= "<td bgcolor=\"$cellclr\" align=\"middle\">".   $result.="<option>correct</option>\n<option selected=\"on\">incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
        "<select name=\"GRADE.$student.$part.$type\">\n";        } elsif ($score eq '') {
     if ($score =~ /^correct/) {   $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option>ungraded</option>\n<option selected=\"on\">nothing</option>\n";
  $result .= "<option selected=\"on\">correct</option>".        } elsif ($score =~ /^excused/) {
            "\n<option>incorrect</option>\n<option>".   $result.="<option>correct</option>\n<option>incorrect</option>\n<option selected=\"on\">excused</option>\n<option>ungraded</option>\n<option>nothing</option>\n";
    "excused</option>\n<option>ungraded".        } elsif ($score =~ /^ungraded/) {
    "</option>\n<option>nothing</option>\n";   $result.="<option>correct</option>\n<option>incorrect</option>\n<option>excused</option>\n<option selected=\"on\">ungraded</option>\n<option>nothing</option>\n";
     } elsif ($score =~ /^incorrect/) {        }
  $result .= "<option>correct</option>\n<option ".        $result.="</select></td>\n";
            "selected=\"on\">incorrect</option>\n".      }
    "<option>excused</option>\n<option>".    }
    "ungraded</option>\n<option>nothing</option>\n";    $result.='</tr>';
     } elsif ($score eq '') {    return $result;
  $result .= "<option>correct</option>\n<option> ".  
            "incorrect</option>\n<option>excused".  
                            "</option>\n<option>ungraded</option>\n".  
    "<option selected=\"on\">nothing</option>\n";  
     } elsif ($score =~ /^excused/) {  
  $result .= "<option>correct</option>\n<option>".  
                            "incorrect</option>\n<option selected=".  
                            "\"on\">excused</option>\n<option>".  
    "ungraded</option>\n<option>nothing</option>\n";  
     } elsif ($score =~ /^ungraded/) {  
  $result .= "<option>correct</option>\n<option>".  
            "incorrect</option>\n<option>excused".  
                            "</option>\n<option selected=\"on\">".  
    "ungraded</option>\n<option>nothing</option>\n";  
     }  
     $result .= "</select></td>\n";  
  }  
     }  
     $result .= '</tr>';  
     return $result;  
 }  }
   #FIXME need to look at the meatdata <stores> spec on what type of data to accept and provide an
 # ========================================================== Sets student grade  
 #FIXME need to look at the meatdata <stores> spec  
 # on what type of data to accept and provide an  
 #interface based on that, also do that to above function.  #interface based on that, also do that to above function.
 sub setstudentgrade {  sub setstudentgrade {
     my ($url,$symb,$courseid,$student,@parts) = @_;    my ($url,$symb,$courseid,$student,@parts) = @_;
     my $result ='';  
     my ($stuname,$domain) = split(/:/,$student);    my $result ='';
     my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);  
     my %newrecord;    my ($stuname,$domain) = split(/:/,$student);
     foreach my $part (@parts) {  
  my ($temp,$part,$type) = split(/_/,$part);    my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname);
  my $oldscore = $record{"resource.$part.$type"};  
  my $newscore = $ENV{"form.GRADE.$student.$part.$type"};    my %newrecord;
  if ($type eq 'solved') {  
     my $update = 0;    foreach my $part (@parts) {
     if ($newscore eq 'nothing' ) {      my ($temp,$part,$type)=split(/_/,$part);
  if ($oldscore ne '') {      my $oldscore=$record{"resource.$part.$type"};
     $update = 1;      my $newscore=$ENV{"form.GRADE.$student.$part.$type"};
     $newscore = '';      if ($type eq 'solved') {
  }        my $update=0;
     } elsif ($oldscore !~ m/^$newscore/) {        if ($newscore eq 'nothing' ) {
  $update=1;   if ($oldscore ne '') {
  $result.="Updating $stuname to $newscore<br />\n";    $update=1;
  if ($newscore eq 'correct') {     $newscore = '';
     $newscore = 'correct_by_override'; }  
  if ($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 $newscore:<br />\n";  
     }  
  }   }
     }        } elsif ($oldscore !~ m/^$newscore/) {
     if ( scalar(keys(%newrecord)) > 0 ) {   $update=1;
  $newrecord{"resource.regrader"} = $ENV{'user.name'}.':'.   $result.="Updating $stuname to $newscore<br />\n";
                                   $ENV{'user.domain'};   if ($newscore eq 'correct') { $newscore = 'correct_by_override'; }
  &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname);   if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; }
    if ($newscore eq 'excused') { $newscore = 'excused'; }
  $result .= 'Stored away '.scalar(keys(%newrecord)).   if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; }
             " elements.<br />\n";        } else {
     }   #$result.="$stuname:$part:$type:unchanged  $oldscore to $newscore:<br />\n";
     return $result;        }
         if ($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;
 }  }
   
   
 # ========================================================== Attempt submission  
 sub submission {  sub submission {
     my ($request) = @_;    my ($request) = @_;
     my $url = $ENV{'form.url'};    my $url=$ENV{'form.url'};
     $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;    $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     if ($ENV{'form.student'} eq '') {     if ($ENV{'form.student'} eq '') { &moreinfo($request,"Need student login id"); return ''; }
  &moreinfo($request,"Need student login id"); return ''; }  
 #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }  #  if ($ENV{'form.student'} eq '') { &listStudents($request); return ''; }
     my ($uname,$udom) = &finduser($ENV{'form.student'});    my ($uname,$udom) = &finduser($ENV{'form.student'});
     if ($uname eq '') {    if ($uname eq '') { &moreinfo($request,"Unable to find student"); return ''; }
  &moreinfo($request,"Unable to find student"); return ''; }    my $symb=&Apache::lonnet::symbread($url);
     my $symb=&Apache::lonnet::symbread($url);    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
     if ($symb eq '') {    my $answer=&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
  $request->print("Unable to handle ambiguous references:$url:.");        $ENV{'request.course.id'});
  return ''; }    my $result="<h2> Submission Record </h2>  $uname:$udom for $url <br />".$answer;
     my $answer = &Apache::loncommon::get_previous_attempt($symb,$uname,$udom,    return $result;
  $ENV{'request.course.id'});  
     my $result = "<h2> Submission Record </h2>  $uname:$udom for $url <br />".  
          $answer;  
     return $result;  
 }  }
   
 # ================================================================= View grades  
 sub viewgrades {  sub viewgrades {
     my ($request) = @_;    my ($request) = @_;
     my $result = '';    my $result='';
       
     #get resource reference  
     my $url = $ENV{'form.url'};  
     $url =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;  
     my $symb=$ENV{'form.symb'};  
     if (!$symb) { $symb = &Apache::lonnet::symbread($url); }  
     if ($symb eq '') {   
  $request->print("Unable to handle ambiguous references:$url:.");  
  return '';  
     }  
       
     #get classlist  
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});  
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};  
     #print "Found $cdom:$cnum:$chome<br />";  
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
     my $headerclr = '"#ccffff"';  
     my $cellclr = '"#ffffcc"';  
   
     #get list of parts for this problem    #get resource reference
     my (@parts) = &getpartlist($url);    my $url=$ENV{'form.url'};
     $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=$ENV{'form.symb'};
     if (!$symb) { $symb=&Apache::lonnet::symbread($url); }
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
   
     #get classlist
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
     #print "Found $cdom:$cnum:$chome<br />";
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
     my $headerclr = '"#ccffff"';
     my $cellclr = '"#ffffcc"';
   
     #get list of parts for this problem
     my (@parts) = &getpartlist($url);
   
     $request->print ("<h2><font color=\"#339966\">Manual Grading</font></h2>");
   
     #start the form
     $result = '<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'"/>'."\n".
         '<input type="hidden" name="url" value="'.$url.'"/>'."\n".
    '<input type="hidden" name="command" value="editgrades" />'."\n".
     '<input type="submit" name="submit" value="Submit Changes" />'."\n".
       '<table border=0><tr><td bgcolor="#999999">'."\n".
        '<table border=0>'."\n".
         '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.$headerclr.'>Domain</td>'."\n";
     foreach my $part (@parts) {
        my $display=&Apache::lonnet::metadata($url,$part.'.display');
        if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
        $result.='<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";
      }
     $result.="</tr>";
     #get info for each student
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
     }
     $result.='</table></td></tr></table><input type="submit" name="submit" value="Submit Changes" /></form>';
   
     $request->print("<h2><font color=\"#339966\">Manual Grading</font></h2>");    return $result;
       
     #start the form  
     $result = '<form action="/adm/grades" method="post">'."\n".  
       '<input type="hidden" name="symb" value="'.$symb.'"/>'."\n".  
       '<input type="hidden" name="url" value="'.$url.'"/>'."\n".  
       '<input type="hidden" name="command" value="editgrades" />'."\n".  
       '<input type="submit" name="submit" value="Submit Changes" />'.  
       "\n".'<table border=0><tr><td bgcolor="#999999">'."\n".  
       '<table border=0>'."\n".  
       '<tr><td bgcolor='.$headerclr.'>UserId</td><td bgcolor='.  
               $headerclr.'>Domain</td>'."\n";  
     foreach my $part (@parts) {  
  my $display = &Apache::lonnet::metadata($url,$part.'.display');  
  if  (!$display) {   
     $display = &Apache::lonnet::metadata($url,$part.'.name'); }  
  $result .= '<td bgcolor='.$headerclr.'>'.$display.'</td>'."\n";  
     }  
     $result .= "</tr>";  
   
     #get info for each student  
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {  
  $result .= &viewstudentgrade($url,$symb,$ENV{'request.course.id'},  
      $student,@parts);  
     }  
     $result .= '</table></td></tr></table><input type="submit" name="submit"'.  
        'value="Submit Changes" /></form>';  
     return $result;  
 }  }
   
 # ================================================================= Edit grades  
 sub editgrades {  sub editgrades {
     my ($request) = @_;    my ($request) = @_;
     my $result='';    my $result='';
   
     my $symb = $ENV{'form.symb'};  
     if ($symb eq '') {  
  $request->print("Unable to handle ambiguous references:$symb:".  
  $ENV{'form.url'});  
  return '';  
     }  
     my $url = $ENV{'form.url'};  
     #get classlist  
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});  
     my $chome = $ENV{"course.$ENV{'request.course.id'}.home"};  
     #print "Found $cdom:$cnum:$chome<br />";  
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');  
       
     #get list of parts for this problem  
     my (@parts) = &getpartlist($url);  
   
     $result .= '<form action="/adm/grades" method="post">'."\n".  
                '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".  
                '<input type="hidden" name="url" value="'.$url.'" />'."\n".  
        '<input type="hidden" name="command" value="viewgrades" />'.  
                "\n".'<input type="submit" name="submit" value="See Grades" />'.  
                '<br />'."\n";  
   
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {    my $symb=$ENV{'form.symb'};
         $result .= &setstudentgrade($url,$symb,$ENV{'request.course.id'},    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; }
     $student,@parts);    my $url=$ENV{'form.url'};
     }    #get classlist
     my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'});
     my $chome=$ENV{"course.$ENV{'request.course.id'}.home"};
     #print "Found $cdom:$cnum:$chome<br />";
     my (%classlist) = &getclasslist($cdom,$cnum,$chome,'0');
   
     #get list of parts for this problem
     my (@parts) = &getpartlist($url);
   
     $result.='<form action="/adm/grades" method="post">'."\n".
       '<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
         '<input type="hidden" name="url" value="'.$url.'" />'."\n".
    '<input type="hidden" name="command" value="viewgrades" />'."\n".
     '<input type="submit" name="submit" value="See Grades" /> <br />'."\n";
   
     foreach my $student ( sort(@{ $classlist{'allids'} }) ) {
       $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts);
     }
   
     $result .= '<input type="submit" name="submit" value="See Grades" />'.    $result.='<input type="submit" name="submit" value="See Grades" /></table></form>';
        '</table></form>';    return $result;
     return $result;  
 }  }
   
 # ================================================================= Send header  
 sub send_header {  sub send_header {
     my ($request) = @_;    my ($request)= @_;
     $request->print(&Apache::lontexconvert::header());    $request->print(&Apache::lontexconvert::header());
 #  $request->print("  #  $request->print("
 #<script>  #<script>
 #remotewindow=open('','homeworkremote');  #remotewindow=open('','homeworkremote');
 #remotewindow.close();  #remotewindow.close();
 #</script>");   #</script>"); 
     $request->print('<body bgcolor="#FFFFFF">');    $request->print('<body bgcolor="#FFFFFF">');
 }  }
   
 # ================================================================= Send footer  
 sub send_footer {  sub send_footer {
   my ($request) = @_;    my ($request)= @_;
   $request->print('</body>');    $request->print('</body>');
   $request->print(&Apache::lontexconvert::footer());    $request->print(&Apache::lontexconvert::footer());
 }  }
   
 # ===================================================================== Handler  
 sub handler {  sub handler {
     my $request = $_[0];    my $request=$_[0];
     if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}  
     else {$Apache::lonxml::debug=0;}    if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}
     if ($ENV{'browser.mathml'}) {    
  $request->content_type('text/xml');    if ($ENV{'browser.mathml'}) {
     } else {      $request->content_type('text/xml');
  $request->content_type('text/html');    } else {
     }      $request->content_type('text/html');
     $request->send_http_header;    }
     return OK if $request->header_only;    $request->send_http_header;
     my $url = $ENV{'form.url'};    return OK if $request->header_only;
     my $symb = $ENV{'form.symb'};    my $url=$ENV{'form.url'};
     my $command = $ENV{'form.command'};    my $symb=$ENV{'form.symb'};
         my $command=$ENV{'form.command'};
     &send_header($request);    
     if ($url eq '' && $symb eq '') {    &send_header($request);
  $request->print("Non-Contextual Access Unsupported:$command:$url:");    if ($url eq '' && $symb eq '') {
       $request->print("Non-Contextual Access Unsupported:$command:$url:");
     } else {
       $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
       if ($command eq 'submission') {
         $request->print(&listStudents($request)) if ($ENV{'form.student'} eq '');
         $request->print(&submission($request)) if ($ENV{'form.student'} ne '');
       } elsif ($command eq 'viewgrades') {
         $request->print(&viewgrades($request));
       } elsif ($command eq 'editgrades') {
         $request->print(&editgrades($request));
     } else {      } else {
  $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',        $request->print("Unknown action:$command:");
     $ENV{'request.course.id'});  
  if ($command eq 'submission') {  
     $request->print(&listStudents($request))  
  if ($ENV{'form.student'} eq '');  
     $request->print(&submission($request))  
  if ($ENV{'form.student'} ne '');  
  } elsif ($command eq 'viewgrades') {  
     $request->print(&viewgrades($request));  
  } elsif ($command eq 'editgrades') {  
     $request->print(&editgrades($request));  
  } else {  
     $request->print("Unknown action:$command:");  
  }  
     }      }
     &send_footer($request);    }
     return OK;    &send_footer($request);
     return OK;
 }  }
   
 1;  1;
   
 __END__  __END__;
Removed from v.1.12  
changed lines
  Added in v.1.13

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