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Diff for /loncom/homework/grades.pm between versions 1.502 and 1.503

version 1.502, 2008/01/09 14:16:52 version 1.503, 2008/02/01 22:50:43
Line 4681  my %bubble_lines_per_response;     # no. Line 4681  my %bubble_lines_per_response;     # no.
   
 my %first_bubble_line;             # First bubble line no. for each bubble.  my %first_bubble_line;             # First bubble line no. for each bubble.
   
   my %subdivided_bubble_lines;       # no. bubble lines for optionresponse 
                                      # or matchresponse where an individual 
                                      # response can have multiple lines
   
   my %responsetype_per_response;     # responsetype for each response
   
 # Save and restore the bubble lines array to the form env.  # Save and restore the bubble lines array to the form env.
   
   
Line 4689  sub save_bubble_lines { Line 4695  sub save_bubble_lines {
  $env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};   $env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
  $env{"form.scantron.first_bubble_line.$line"} =   $env{"form.scantron.first_bubble_line.$line"} =
     $first_bubble_line{$line};      $first_bubble_line{$line};
           $env{"form.scantron.sub_bubblelines.$line"} = 
               $subdivided_bubble_lines{$line};
           $env{"form.scantron.responsetype.$line"} =
               $responsetype_per_response{$line};
     }      }
 }  }
   
Line 4701  sub restore_bubble_lines { Line 4711  sub restore_bubble_lines {
  $bubble_lines_per_response{$line} = $value;   $bubble_lines_per_response{$line} = $value;
  $first_bubble_line{$line}  =   $first_bubble_line{$line}  =
     $env{"form.scantron.first_bubble_line.$line"};      $env{"form.scantron.first_bubble_line.$line"};
           $subdivided_bubble_lines{$line} =
               $env{"form.scantron.sub_bubblelines.$line"};
           $responsetype_per_response{$line} =
               $env{"form.scantron.responsetype.$line"};
  $line++;   $line++;
     }      }
   
Line 5139  sub username_to_idmap { Line 5153  sub username_to_idmap {
                           - 'answer'                            - 'answer'
                                'response' - new answer or 'none' if blank                                 'response' - new answer or 'none' if blank
                                'question' - the bubble line to change                                 'question' - the bubble line to change
                                  'questionnum' - the question identifier,
                                                  may include subquestion. 
   
   Returns:    Returns:
     $line - the modified scanline      $line - the modified scanline
Line 5187  sub scantron_fixup_scanline { Line 5203  sub scantron_fixup_scanline {
  my $answer=${off}x$length;   my $answer=${off}x$length;
  if ($args->{'response'} eq 'none') {   if ($args->{'response'} eq 'none') {
     &scan_data($scan_data,      &scan_data($scan_data,
        "$whichline.no_bubble.".$args->{'question'},'1');         "$whichline.no_bubble.".$args->{'questionnum'},'1');
  } else {   } else {
     if ($on eq 'letter') {      if ($on eq 'letter') {
  my @alphabet=('A'..'Z');   my @alphabet=('A'..'Z');
Line 5199  sub scantron_fixup_scanline { Line 5215  sub scantron_fixup_scanline {
  substr($answer,$args->{'response'},1)=$on;   substr($answer,$args->{'response'},1)=$on;
     }      }
     &scan_data($scan_data,      &scan_data($scan_data,
        "$whichline.no_bubble.".$args->{'question'},undef,'1');         "$whichline.no_bubble.".$args->{'questionnum'},undef,'1');
  }   }
  my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};   my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
  substr($line,$where-1,$length)=$answer;   substr($line,$where-1,$length)=$answer;
Line 5371  sub scantron_parse_scanline { Line 5387  sub scantron_parse_scanline {
     $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).      $questions =~ s/\r$//;      # Get rid of trailing \r too (MAC or Win uploads).
     while (length($questions)) {      while (length($questions)) {
  my $answers_needed = $bubble_lines_per_response{$questnum};   my $answers_needed = $bubble_lines_per_response{$questnum};
  my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)          my $answer_length  = ($$scantron_config{'Qlength'} * $answers_needed)
                      || 1;                               || 1;
           $questnum++;
  $questnum++;          my $quest_id = $questnum;
  my $currentquest = substr($questions,0,$answer_length);          my $currentquest = substr($questions,0,$answer_length);
  $questions       = substr($questions,$answer_length);          $questions       = substr($questions,$answer_length);
  if (length($currentquest) < $answer_length) { next; }          if (length($currentquest) < $answer_length) { next; }
   
  # Qon letter implies for each slot in currentquest we have:          if ($subdivided_bubble_lines{$questnum-1} =~ /,/) {
  #    ? or * for doubles a letter in A-Z for a bubble and              my $subquestnum = 1;
         #    about anything else (esp. a value of Qoff for missing              my $subquestions = $currentquest;
  #    bubbles.              my @subanswers_needed = 
                   split(/,/,$subdivided_bubble_lines{$questnum-1});  
               foreach my $subans (@subanswers_needed) {
  if ($$scantron_config{'Qon'} eq 'letter') {                  my $subans_length =
     if ($currentquest =~ /\?/                      ($$scantron_config{'Qlength'} * $subans)  || 1;
  || $currentquest =~ /\*/                  my $currsubquest = substr($subquestions,0,$subans_length);
  || (&occurence_count($currentquest, "[A-Z]") > 1)) {                  $subquestions   = substr($subquestions,$subans_length);
  push(@{$record{'scantron.doubleerror'}},$questnum);                  $quest_id = "$questnum.$subquestnum";
  for (my $ans = 0; $ans < $answers_needed; $ans++) {                   if (($$scantron_config{'Qon'} eq 'letter') ||
     my $bubble = substr($currentquest, $ans, 1);                      ($$scantron_config{'Qon'} eq 'number')) {
     if ($bubble =~ /[A-Z]/ ) {                      $ansnum = &scantron_validator_lettnum($ansnum, 
  $record{"scantron.$ansnum.answer"} = $bubble;                          $questnum,$quest_id,$subans,$currsubquest,$whichline,
     } else {                          \@alphabet,\%record,$scantron_config,$scan_data);
  $record{"scantron.$ansnum.answer"}='';                  } else {
     }                      $ansnum = &scantron_validator_positional($ansnum,
     $ansnum++;                          $questnum,$quest_id,$subans,$currsubquest,$whichline,                        \@alphabet,\%record,$scantron_config,$scan_data);
  }                  }
                   $subquestnum ++;
     } elsif (!defined($currentquest)              }
      || (&occurence_count($currentquest, $$scantron_config{'Qoff'}) == length($currentquest))          } else {
      || (&occurence_count($currentquest, "[A-Z]") == 0)) {              if (($$scantron_config{'Qon'} eq 'letter') ||
  for (my $ans = 0; $ans < $answers_needed; $ans++ ) {                  ($$scantron_config{'Qon'} eq 'number')) {
     $record{"scantron.$ansnum.answer"}='';                  $ansnum = &scantron_validator_lettnum($ansnum,$questnum,
     $ansnum++;                      $quest_id,$answers_needed,$currentquest,$whichline,
                       \@alphabet,\%record,$scantron_config,$scan_data);
  }              } else {
  if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {                  $ansnum = &scantron_validator_positional($ansnum,$questnum,
     push(@{$record{"scantron.missingerror"}},$questnum);                      $quest_id,$answers_needed,$currentquest,$whichline,
    #  $ansnum += $answers_needed;                      \@alphabet,\%record,$scantron_config,$scan_data);
  }              }
     } else {          }
  for (my $ans = 0; $ans < $answers_needed; $ans++) {  
     my $bubble = substr($currentquest, $ans, 1);  
     $record{"scantron.$ansnum.answer"} = $bubble;  
     $ansnum++;  
  }  
     }  
   
  # Qon 'number' implies each slot gives a digit that indexes the  
  #    the bubbles filled or Qoff or a non number for unbubbled lines.  
         #    and *? for double bubbles on a line.  
  #    these answers are also stored as letters.  
   
  } elsif ($$scantron_config{'Qon'} eq 'number') {  
     if ($currentquest =~ /\?/  
  || $currentquest =~ /\*/  
  || (&occurence_count($currentquest, '\d') > 1)) {  
  push(@{$record{'scantron.doubleerror'}},$questnum);  
  for (my $ans = 0; $ans < $answers_needed; $ans++) {  
     my $bubble = substr($currentquest, $ans, 1);  
     if ($bubble =~ /\d/) {  
  $record{"scantron.$ansnum.answer"} = $alphabet[$bubble];  
     } else {  
  $record{"scantron.$ansnum.answer"}=' ';  
     }  
     $ansnum++;  
  }  
   
     } elsif (!defined($currentquest)  
      || (&occurence_count($currentquest,$$scantron_config{'Qoff'}) == length($currentquest))   
      || (&occurence_count($currentquest, '\d') == 0)) {  
  for (my $ans = 0; $ans < $answers_needed; $ans++ ) {  
     $record{"scantron.$ansnum.answer"}='';  
     $ansnum++;  
   
  }  
  if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {  
     push(@{$record{"scantron.missingerror"}},$questnum);  
     $ansnum += $answers_needed;  
  }  
   
     } else {  
  $currentquest = &digits_to_letters($currentquest);  
  for (my $ans =0; $ans < $answers_needed; $ans++) {  
     $record{"scantron.$ansnum.answer"} = substr($currentquest, $ans, 1);  
     $ansnum++;  
  }  
     }  
  } else {  
   
     # Otherwise there's a positional notation;  
     # each bubble line requires Qlength items, and there are filled in  
     # bubbles for each case where there 'Qon' characters.  
     #  
   
     my @array=split($$scantron_config{'Qon'},$currentquest,-1);  
   
     # If the split only  giveas us one element.. the full length of the  
     # answser string, no bubbles are filled in:  
   
     if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {  
  for (my $ans = 0; $ans < $answers_needed; $ans++ ) {  
     $record{"scantron.$ansnum.answer"}='';  
     $ansnum++;  
   
  }  
  if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {  
     push(@{$record{"scantron.missingerror"}},$questnum);  
  }  
   
   
   
     } elsif (scalar(@array) eq 2) {  
   
  my $location      = length($array[0]);  
  my $line_num      = int($location / $$scantron_config{'Qlength'});  
  my $bubble        = $alphabet[$location % $$scantron_config{'Qlength'}];  
   
   
  for (my $ans = 0; $ans < $answers_needed; $ans++) {  
     if ($ans eq $line_num) {  
  $record{"scantron.$ansnum.answer"} = $bubble;  
     } else {  
  $record{"scantron.$ansnum.answer"} = ' ';  
     }  
     $ansnum++;  
  }  
     }  
     #  If there's more than one instance of a bubble character  
     #  That's a double bubble; with positional notation we can  
     #  record all the bubbles filled in as well as the   
     #  fact this response consists of multiple bubbles.  
     #  
     else {  
  push(@{$record{'scantron.doubleerror'}},$questnum);  
   
  my $first_answer = $ansnum;  
  for (my $ans =0; $ans < $answers_needed; $ans++) {  
     my $item = $first_answer+$ans;  
     $record{"scantron.$item.answer"} = '';  
  }  
   
  my @ans=@array;  
  my $i=0;  
  my $increment = 0;  
  while ($#ans) {  
     $i+=length($ans[0]) + $increment;  
     my $line   = int($i/$$scantron_config{'Qlength'} + $first_answer);  
     my $bubble = $i%$$scantron_config{'Qlength'};  
     $record{"scantron.$line.answer"}.=$alphabet[$bubble];  
     shift(@ans);  
     $increment = 1;  
  }  
  $ansnum += $answers_needed;  
     }  
  }  
     }      }
     $record{'scantron.maxquest'}=$questnum;      $record{'scantron.maxquest'}=$questnum;
     return \%record;      return \%record;
 }  }
   
   sub scantron_validator_lettnum {
       my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline,
           $alphabet,$record,$scantron_config,$scan_data) = @_;
   
       # Qon 'letter' implies for each slot in currquest we have:
       #    ? or * for doubles, a letter in A-Z for a bubble, and
       #    about anything else (esp. a value of Qoff) for missing
       #    bubbles.
       #
       # Qon 'number' implies each slot gives a digit that indexes the
       #    bubbles filled, or Qoff, or a non-number for unbubbled lines,
       #    and * or ? for double bubbles on a single line.
       #
   
       my $matchon;
       if ($$scantron_config{'Qon'} eq 'letter') {
           $matchon = '[A-Z]';
       } elsif ($$scantron_config{'Qon'} eq 'number') {
           $matchon = '\d';
       }
       my $occurrences = 0;
       if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
           ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
           ($responsetype_per_response{$questnum-1} eq 'stringresponse')) {
           my @singlelines = split('',$currquest);
           foreach my $entry (@singlelines) {
               $occurrences = &occurence_count($entry,$matchon);
               if ($occurrences > 1) {
                   last;
               }
           } 
       } else {
           $occurrences = &occurence_count($currquest,$matchon); 
       }
       if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) {
           push(@{$record->{'scantron.doubleerror'}},$quest_id);
           for (my $ans=0; $ans<$answers_needed; $ans++) {
               my $bubble = substr($currquest,$ans,1);
               if ($bubble =~ /$matchon/ ) {
                   if ($$scantron_config{'Qon'} eq 'number') {
                       if ($bubble == 0) {
                           $bubble = 10; 
                       }
                       $record->{"scantron.$ansnum.answer"} = 
                           $alphabet->[$bubble-1];
                   } else {
                       $record->{"scantron.$ansnum.answer"} = $bubble;
                   }
               } else {
                   $record->{"scantron.$ansnum.answer"}='';
               }
               $ansnum++;
           }
       } elsif (!defined($currquest)
               || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest))
               || (&occurence_count($currquest,$matchon) == 0)) {
           for (my $ans=0; $ans<$answers_needed; $ans++ ) {
               $record->{"scantron.$ansnum.answer"}='';
               $ansnum++;
           }
           if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
               push(@{$record->{'scantron.missingerror'}},$quest_id);
           }
       } else {
           if ($$scantron_config{'Qon'} eq 'number') {
               $currquest = &digits_to_letters($currquest);            
           }
           for (my $ans=0; $ans<$answers_needed; $ans++) {
               my $bubble = substr($currquest,$ans,1);
               $record->{"scantron.$ansnum.answer"} = $bubble;
               $ansnum++;
           }
       }
       return $ansnum;
   }
   
   sub scantron_validator_positional {
       my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,
           $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_;
   
       # Otherwise there's a positional notation;
       # each bubble line requires Qlength items, and there are filled in
       # bubbles for each case where there 'Qon' characters.
       #
   
       my @array=split($$scantron_config{'Qon'},$currquest,-1);
   
       # If the split only gives us one element.. the full length of the
       # answer string, no bubbles are filled in:
   
       if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) {
           for (my $ans=0; $ans<$answers_needed; $ans++ ) {
               $record->{"scantron.$ansnum.answer"}='';
               $ansnum++;
           }
           if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) {
               push(@{$record->{"scantron.missingerror"}},$quest_id);
           }
       } elsif (scalar(@array) == 2) {
           my $location = length($array[0]);
           my $line_num = int($location / $$scantron_config{'Qlength'});
           my $bubble   = $alphabet->[$location % $$scantron_config{'Qlength'}];
           for (my $ans=0; $ans<$answers_needed; $ans++) {
               if ($ans eq $line_num) {
                   $record->{"scantron.$ansnum.answer"} = $bubble;
               } else {
                   $record->{"scantron.$ansnum.answer"} = ' ';
               }
               $ansnum++;
            }
       } else {
           #  If there's more than one instance of a bubble character
           #  That's a double bubble; with positional notation we can
           #  record all the bubbles filled in as well as the
           #  fact this response consists of multiple bubbles.
           #
           if (($responsetype_per_response{$questnum-1} eq 'essayresponse') ||
               ($responsetype_per_response{$questnum-1} eq 'formularesponse') ||
               ($responsetype_per_response{$questnum-1} eq 'stringresponse')) {
               my $doubleerror = 0;
               while (($currquest >= $$scantron_config{'Qlength'}) && 
                      (!$doubleerror)) {
                  my $currline = substr($currquest,0,$$scantron_config{'Qlength'});
                  $currquest = substr($currquest,$$scantron_config{'Qlength'});
                  my @currarray = split($$scantron_config{'Qon'},$currline,-1);
                  if (length(@currarray) > 2) {
                      $doubleerror = 1;
                  } 
               }
               if ($doubleerror) {
                   push(@{$record->{'scantron.doubleerror'}},$quest_id);
               }
           } else {
               push(@{$record->{'scantron.doubleerror'}},$quest_id);
           }
           my $item = $ansnum;
           for (my $ans=0; $ans<$answers_needed; $ans++) {
               $record->{"scantron.$item.answer"} = '';
               $item ++;
           }
   
           my @ans=@array;
           my $i=0;
           my $increment = 0;
           while ($#ans) {
               $i+=length($ans[0]) + $increment;
               my $line   = int($i/$$scantron_config{'Qlength'} + $ansnum);
               my $bubble = $i%$$scantron_config{'Qlength'};
               $record->{"scantron.$line.answer"}.=$alphabet->[$bubble];
               shift(@ans);
               $increment = 1;
           }
           $ansnum += $answers_needed;
       }
       return $ansnum;
   }
   
 =pod  =pod
   
 =item scantron_add_delay  =item scantron_add_delay
Line 5670  sub scantron_process_corrections { Line 5728  sub scantron_process_corrections {
  &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,   &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
  $which,'answer',   $which,'answer',
  { 'question'=>$question,   { 'question'=>$question,
          'response'=>$env{"form.scantron_correct_Q_$question"}});           'response'=>$env{"form.scantron_correct_Q_$question"},
                                      'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}});
     if ($err) { last; }      if ($err) { last; }
  }   }
     }      }
Line 5889  SCANTRONFORM Line 5948  SCANTRONFORM
    '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";     '<input type="hidden" name="scantron.bubblelines.'.$line.'" value="'.$env{"form.scantron.bubblelines.$line"}.'" />'."\n";
        $chunk .=         $chunk .=
    '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";     '<input type="hidden" name="scantron.first_bubble_line.'.$line.'" value="'.$env{"form.scantron.first_bubble_line.$line"}.'" />'."\n";
          $chunk .= 
              '<input type="hidden" name="scantron.sub_bubblelines.'.$line.'" value="'.$env{"form.scantron.sub_bubblelines.$line"}.'" />'."\n";
        $result .= $chunk;         $result .= $chunk;
        $line++;         $line++;
    }     }
Line 5933  sub scantron_validate_file { Line 5994  sub scantron_validate_file {
     if ($env{'form.scantron_corrections'}) {      if ($env{'form.scantron_corrections'}) {
  &scantron_process_corrections($r);   &scantron_process_corrections($r);
     }      }
     $r->print('<p>'.&mt('Gathering necessary info.').'</p>');$r->rflush();      $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
     #get the student pick code ready      #get the student pick code ready
     $r->print(&Apache::loncommon::studentbrowser_javascript());      $r->print(&Apache::loncommon::studentbrowser_javascript());
     my $max_bubble=&scantron_get_maxbubble();      my $max_bubble=&scantron_get_maxbubble();
Line 5953  sub scantron_validate_file { Line 6014  sub scantron_validate_file {
   
     my $stop=0;      my $stop=0;
     while (!$stop && $currentphase < scalar(@validate_phases)) {      while (!$stop && $currentphase < scalar(@validate_phases)) {
  $r->print('<p> '.&mt('Validating '.$validate_phases[$currentphase]).'</p>');   $r->print(&mt('Validating '.$validate_phases[$currentphase]).'<br />');
  $r->rflush();   $r->rflush();
  my $which="scantron_validate_".$validate_phases[$currentphase];   my $which="scantron_validate_".$validate_phases[$currentphase];
  {   {
Line 5964  sub scantron_validate_file { Line 6025  sub scantron_validate_file {
     if (!$stop) {      if (!$stop) {
  my $warning=&scantron_warning_screen('Start Grading');   my $warning=&scantron_warning_screen('Start Grading');
  $r->print('   $r->print('
 '.&mt('Validation process complete.').'<br />  <b>'.&mt('Validation process complete.').'<b><br />
 '.$warning.'  '.$warning.'
 <input type="submit" name="submit" value="'.&mt('Start Grading').'" />  <input type="submit" name="submit" value="'.&mt('Start Grading').'" />
 <input type="hidden" name="command" value="scantron_process" />  <input type="hidden" name="command" value="scantron_process" />
Line 5981  sub scantron_validate_file { Line 6042  sub scantron_validate_file {
   
     $r->print(" <p>".&mt("Or click the 'Grading Menu' button to start over.")."</p>");      $r->print(" <p>".&mt("Or click the 'Grading Menu' button to start over.")."</p>");
  } else {   } else {
     $r->print('<input type="submit" name="submit" value="'.&mt('Continue -&gt;').'" />');              if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') {
           $r->print('<input type="button" name="submitbutton" value="'.&mt('Continue -&gt;').'" onclick="javascript:verify_bubble_radio(this.form)" />');
               } else {
                   $r->print('<input type="submit" name="submit" value="'.&mt('Continue -&gt;').'" />');
               }
     $r->print(' '.&mt('using corrected info').' <br />');      $r->print(' '.&mt('using corrected info').' <br />');
     $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");      $r->print("<input type='submit' value='".&mt("Skip")."' name='scantron_skip_record' />");
     $r->print(" ".&mt("this scanline saving it for later."));      $r->print(" ".&mt("this scanline saving it for later."));
Line 6463  sub scantron_validate_ID { Line 6528  sub scantron_validate_ID {
   
 sub scantron_get_correction {  sub scantron_get_correction {
     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;      my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_;
   
 #FIXME in the case of a duplicated ID the previous line, probably need  #FIXME in the case of a duplicated ID the previous line, probably need
 #to show both the current line and the previous one and allow skipping  #to show both the current line and the previous one and allow skipping
 #the previous one or the current one  #the previous one or the current one
Line 6485  sub scantron_get_correction { Line 6549  sub scantron_get_correction {
   
     $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");      $r->print('<input type="hidden" name="scantron_corrections" value="'.$error.'" />'."\n");
     $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");      $r->print('<input type="hidden" name="scantron_line" value="'.$i.'" />'."\n");
                              # Array populated for doublebubble or
       my @lines_to_correct;  # missingbubble errors to build javascript
                              # to validate radio button checking   
   
     if ($error =~ /ID$/) {      if ($error =~ /ID$/) {
  if ($error eq 'incorrectID') {   if ($error eq 'incorrectID') {
     $r->print("<p>".&mt("The encoded ID is not in the classlist").      $r->print("<p>".&mt("The encoded ID is not in the classlist").
Line 6580  ENDSCRIPT Line 6648  ENDSCRIPT
      "</label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" />"));       "</label><input type='text' size='8' name='scantron_CODE_newvalue' onfocus=\"javascript:change_radio('use_typed')\" onkeypress=\"javascript:change_radio('use_typed')\" />"));
  $r->print("\n<br /><br />");   $r->print("\n<br /><br />");
     } elsif ($error eq 'doublebubble') {      } elsif ($error eq 'doublebubble') {
  $r->print("<p>".&mt("There have been multiple bubbles scanned for a some question(s)")."</p>\n");   $r->print("<p>".&mt("There have been multiple bubbles scanned for some question(s)")."</p>\n");
   
  # The form field scantron_questions is acutally a list of line numbers.   # The form field scantron_questions is acutally a list of line numbers.
  # represented by this form so:   # represented by this form so:
Line 6592  ENDSCRIPT Line 6660  ENDSCRIPT
  $r->print($message);   $r->print($message);
  $r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");   $r->print("<p>".&mt("Please indicate which bubble should be used for grading")."</p>");
  foreach my $question (@{$arg}) {   foreach my $question (@{$arg}) {
     &prompt_for_corrections($r, $question, $scan_config, $scan_record);      my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                                                      $scan_record, $error);
               push (@lines_to_correct,@linenums);
  }   }
           $r->print(&verify_bubbles_checked(@lines_to_correct));
     } elsif ($error eq 'missingbubble') {      } elsif ($error eq 'missingbubble') {
  $r->print("<p>".&mt("There have been <b>no</b> bubbles scanned for some question(s)")."</p>\n");   $r->print("<p>".&mt("There have been <b>no</b> bubbles scanned for some question(s)")."</p>\n");
  $r->print($message);   $r->print($message);
  $r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");   $r->print("<p>".&mt("Please indicate which bubble should be used for grading.")."</p>");
  $r->print(&mt("Some questions have no scanned bubbles")."\n");   $r->print(&mt("Some questions have no scanned bubbles.")."\n");
   
  # The form field scantron_questinos is actually a list of line numbers not   # The form field scantron_questions is actually a list of line numbers not
  # a list of question numbers. Therefore:   # a list of question numbers. Therefore:
  #   #
   
Line 6609  ENDSCRIPT Line 6680  ENDSCRIPT
  $r->print('<input type="hidden" name="scantron_questions" value="'.   $r->print('<input type="hidden" name="scantron_questions" value="'.
   $line_list.'" />');    $line_list.'" />');
  foreach my $question (@{$arg}) {   foreach my $question (@{$arg}) {
     &prompt_for_corrections($r, $question, $scan_config, $scan_record);      my @linenums = &prompt_for_corrections($r,$question,$scan_config,
                                                      $scan_record, $error);
               push (@lines_to_correct,@linenums);
  }   }
           $r->print(&verify_bubbles_checked(@lines_to_correct));
     } else {      } else {
  $r->print("\n<ul>");   $r->print("\n<ul>");
     }      }
     $r->print("\n</li></ul>");      $r->print("\n</li></ul>");
 }  }
   
   sub verify_bubbles_checked {
       my (@ansnums) = @_;
       my $ansnumstr = join('","',@ansnums);
       my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines.");
       my $output = (<<ENDSCRIPT);
   <script type="text/javascript">
   function verify_bubble_radio(form) {
       var ansnumArray = new Array ("$ansnumstr");
       var need_bubble_count = 0;
       for (var i=0; i<ansnumArray.length; i++) {
           if (form.elements["scantron_correct_Q_"+ansnumArray[i]].length > 1) {
               var bubble_picked = 0; 
               for (var j=0; j<form.elements["scantron_correct_Q_"+ansnumArray[i]].length; j++) {
                   if (form.elements["scantron_correct_Q_"+ansnumArray[i]][j].checked == true) {
                       bubble_picked = 1;
                   }
               }
               if (bubble_picked == 0) {
                   need_bubble_count ++;
               }
           }
       }
       if (need_bubble_count) {
           alert("$warning");
           return;
       }
       form.submit(); 
   }
   </script>
   ENDSCRIPT
       return $output;
   }
   
 =pod  =pod
   
 =item  questions_to_line_list  =item  questions_to_line_list
Line 6635  sub questions_to_line_list { Line 6742  sub questions_to_line_list {
     my ($questions) = @_;      my ($questions) = @_;
     my @lines;      my @lines;
   
     foreach my $question (@{$questions}) {      foreach my $item (@{$questions}) {
  my $first   = $first_bubble_line{$question-1} + 1;          my $question = $item;
  my $count   = $bubble_lines_per_response{$question-1};          my ($first,$count,$last);
  my $last = $first+$count-1;          if ($item =~ /^(\d+)\.(\d+)$/) {
  push(@lines, ($first..$last));              $question = $1;
               my $subquestion = $2;
               $first = $first_bubble_line{$question-1} + 1;
               my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
               my $subcount = 1;
               while ($subcount<$subquestion) {
                   $first += $subans[$subcount-1];
                   $subcount ++;
               }
               $count = $subans[$subquestion-1];
           } else {
       $first   = $first_bubble_line{$question-1} + 1;
       $count   = $bubble_lines_per_response{$question-1};
           }
           my $last = $first+$count-1;
           push(@lines, ($first..$last));
     }      }
     return join(',', @lines);      return join(',', @lines);
 }  }
Line 6657  for multi and missing bubble cases). Line 6779  for multi and missing bubble cases).
    $question    - The question number to prompt for.     $question    - The question number to prompt for.
    $scan_config - The scantron file configuration hash.     $scan_config - The scantron file configuration hash.
    $scan_record - Reference to the hash that has the the parsed scanlines.     $scan_record - Reference to the hash that has the the parsed scanlines.
      $error       - Type of error
   
  Implicit inputs:   Implicit inputs:
    %bubble_lines_per_response   - Starting line numbers for each question.     %bubble_lines_per_response   - Starting line numbers for each question.
                                   Numbered from 0 (but question numbers are from                                    Numbered from 0 (but question numbers are from
                                   1.                                    1.
    %first_bubble_line           - Starting bubble line for each question.     %first_bubble_line           - Starting bubble line for each question.
      %subdivided_bubble_lines     - optionresponse and matchresponse type
                                     problems render as separate sub-questions, 
                                     in exam mode. This hash contains a 
                                     comma-separated list of the lines per 
                                     sub-question.
      %responsetype_per_response   - essayresponse, forumalaresponse, and
                                     stringresponse type problem parts can have
                                     multiple lines per response if the weight
                                     assigned exceeds 10.  In this case, only
                                     one bubble per line is permitted, but more 
                                     than one line might contain bubbles, e.g.
                                     bubbling of: line 1 - J, line 2 - J, 
                                     line 3 - B would assign 22 points.  
   
 =cut  =cut
   
 sub prompt_for_corrections {  sub prompt_for_corrections {
     my ($r, $question, $scan_config, $scan_record) = @_;      my ($r, $question, $scan_config, $scan_record, $error) = @_;
       my ($current_line,$lines);
     my $lines        = $bubble_lines_per_response{$question-1};      my @linenums;
     my $current_line = $first_bubble_line{$question-1} + 1 ;      my $questionnum = $question;
       if ($question =~ /^(\d+)\.(\d+)$/) {
           $question = $1;
           $current_line = $first_bubble_line{$question-1} + 1 ;
           my $subquestion = $2;
           my @subans = split(/,/,$subdivided_bubble_lines{$question-1});
           my $subcount = 1;
           while ($subcount<$subquestion) {
               $current_line += $subans[$subcount-1];
               $subcount ++;
           }
           $lines = $subans[$subquestion-1];
       } else {
           $current_line = $first_bubble_line{$question-1} + 1 ;
           $lines        = $bubble_lines_per_response{$question-1};
       }
     if ($lines > 1) {      if ($lines > 1) {
  $r->print(&mt("The group of bubble lines below responds to a single question. Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");          $r->print(&mt('The group of bubble lines below responds to a single question.').'<br />');
           if (($responsetype_per_response{$question-1} eq 'essayresponse') ||
               ($responsetype_per_response{$question-1} eq 'formularesponse') ||
               ($responsetype_per_response{$question-1} eq 'stringresponse')) {
               $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their scantron sheets.",$lines).'<br /><br />'.&mt('A non-zero score can be assigned to the student during scantron grading by selecting a bubble in at least one line.').'<br />'.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'<br />'.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'<br /><br />');
           } else {
               $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."<br />");
           }
     }      }
     for (my $i =0; $i < $lines; $i++) {      for (my $i =0; $i < $lines; $i++) {
  my $selected = $$scan_record{"scantron.$current_line.answer"};          my $selected = $$scan_record{"scantron.$current_line.answer"};
  &scantron_bubble_selector($r, $scan_config, $current_line,    &scantron_bubble_selector($r,$scan_config,$current_line, 
   split('', $selected));            $questionnum,$error,split('', $selected));
           push (@linenums,$current_line);
  $current_line++;   $current_line++;
     }      }
     if ($lines > 1) {      if ($lines > 1) {
  $r->print("<hr /><br />");   $r->print("<hr /><br />");
     }      }
       return @linenums;
 }  }
   
 =pod  =pod
Line 6697  sub prompt_for_corrections { Line 6856  sub prompt_for_corrections {
     $r           - Apache request object      $r           - Apache request object
     $scan_config - hash from &get_scantron_config()      $scan_config - hash from &get_scantron_config()
     $line        - Number of the line being displayed.      $line        - Number of the line being displayed.
       $questionnum - Question number (may include subquestion)
       $error       - Type of error.
     @selected    - Array of bubbles picked on this line.      @selected    - Array of bubbles picked on this line.
   
 =cut  =cut
   
 sub scantron_bubble_selector {  sub scantron_bubble_selector {
     my ($r,$scan_config,$line,@selected)=@_;      my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_;
     my $max=$$scan_config{'Qlength'};      my $max=$$scan_config{'Qlength'};
   
     my $scmode=$$scan_config{'Qon'};      my $scmode=$$scan_config{'Qon'};
     if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }           if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }     
   
     my @alphabet=('A'..'Z');      my @alphabet=('A'..'Z');
     $r->print("<table border='1'><tr><td rowspan='2'>$line</td>");      $r->print(&Apache::loncommon::start_data_table().
                 &Apache::loncommon::start_data_table_row());
       $r->print('<td rowspan="2" class="LC_leftcol_header">'.$line.'</td>');
     for (my $i=0;$i<$max+1;$i++) {      for (my $i=0;$i<$max+1;$i++) {
  $r->print("\n".'<td align="center">');   $r->print("\n".'<td align="center">');
  if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }   if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
  else { $r->print('&nbsp;'); }   else { $r->print('&nbsp;'); }
  $r->print('</td>');   $r->print('</td>');
     }      }
     $r->print('</tr><tr>');      $r->print(&Apache::loncommon::end_data_table_row().
                 &Apache::loncommon::start_data_table_row());
     for (my $i=0;$i<$max;$i++) {      for (my $i=0;$i<$max;$i++) {
  $r->print("\n".   $r->print("\n".
   '<td><label><input type="radio" name="scantron_correct_Q_'.    '<td><label><input type="radio" name="scantron_correct_Q_'.
   $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");    $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
     }      }
     $r->print('<td><label><input type="radio" name="scantron_correct_Q_'.      my $nobub_checked = ' ';
       $line.'" value="none" /> No bubble </label></td>');      if ($error eq 'missingbubble') {
     $r->print('</tr></table>');          $nobub_checked = ' checked = "checked" ';
       }
       $r->print("\n".'<td><label><input type="radio" name="scantron_correct_Q_'.
         $line.'" value="none"'.$nobub_checked.'/>'.&mt('No bubble').
                 '</label>'."\n".'<input type="hidden" name="scantron_questionnum_Q_'.
                 $line.'" value="'.$questionnum.'" /></td>');
       $r->print(&Apache::loncommon::end_data_table_row().
                 &Apache::loncommon::end_data_table());
 }  }
   
 =pod  =pod
Line 6904  sub scantron_validate_doublebubble { Line 7075  sub scantron_validate_doublebubble {
     #get scantron line setup      #get scantron line setup
     my %scantron_config=&get_scantron_config($env{'form.scantron_format'});      my %scantron_config=&get_scantron_config($env{'form.scantron_format'});
     my ($scanlines,$scan_data)=&scantron_getfile();      my ($scanlines,$scan_data)=&scantron_getfile();
   
     &scantron_get_maxbubble(); # parse needs the bubble line array.      &scantron_get_maxbubble(); # parse needs the bubble line array.
   
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {      for (my $i=0;$i<=$scanlines->{'count'};$i++) {
Line 6931  sub scantron_validate_doublebubble { Line 7101  sub scantron_validate_doublebubble {
    for what the current value of the problem counter is.     for what the current value of the problem counter is.
   
    Caches the results to $env{'form.scantron_maxbubble'},     Caches the results to $env{'form.scantron_maxbubble'},
    $env{'form.scantron.bubble_lines.n'} and      $env{'form.scantron.bubble_lines.n'}, 
    $env{'form.scantron.first_bubble_line.n'}     $env{'form.scantron.first_bubble_line.n'} and
      $env{"form.scantron.sub_bubblelines.n"}
    which are the total number of bubble, lines, the number of bubble     which are the total number of bubble, lines, the number of bubble
    lines for reponse n and number of the first bubble line for response n.     lines for response n and number of the first bubble line for response n,
      and a comma separated list of numbers of bubble lines for sub-questions
      (for optionresponse items only), for response n.  
   
 =cut  =cut
   
 sub scantron_get_maxbubble {      sub scantron_get_maxbubble {
     if (defined($env{'form.scantron_maxbubble'}) &&      if (defined($env{'form.scantron_maxbubble'}) &&
  $env{'form.scantron_maxbubble'}) {   $env{'form.scantron_maxbubble'}) {
  &restore_bubble_lines();   &restore_bubble_lines();
Line 6960  sub scantron_get_maxbubble { Line 7133  sub scantron_get_maxbubble {
     my $total_lines = 0;      my $total_lines = 0;
     %bubble_lines_per_response = ();      %bubble_lines_per_response = ();
     %first_bubble_line         = ();      %first_bubble_line         = ();
       %subdivided_bubble_lines   = ();
       %responsetype_per_response = ();
       
     my $response_number = 0;      my $response_number = 0;
     my $bubble_line     = 0;      my $bubble_line     = 0;
     foreach my $resource (@resources) {      foreach my $resource (@resources) {
  my $symb = $resource->symb();          # Need to retrieve part IDs and response IDs because essayresponse
           # items are not included in $analysis{'parts'} from lonnet::ssi.  
           my %possible_part_ids; 
           if (ref($resource->parts()) eq 'ARRAY') { 
               foreach my $part (@{$resource->parts()}) {
                   my @resp_ids = $resource->responseIds($part);
                   foreach my $id (@resp_ids) {
                       $possible_part_ids{$part.'.'.$id} = 1;
                   }
               }
           }
  my $result=&Apache::lonnet::ssi($resource->src(),   my $result=&Apache::lonnet::ssi($resource->src(),
  ('symb' => $resource->symb()),   ('symb' => $resource->symb()),
  ('grade_target' => 'analyze'),   ('grade_target' => 'analyze'),
Line 6975  sub scantron_get_maxbubble { Line 7159  sub scantron_get_maxbubble {
  my (undef, $an) =   my (undef, $an) =
     split(/_HASH_REF__/,$result, 2);      split(/_HASH_REF__/,$result, 2);
   
  my %analysis = &Apache::lonnet::str2hash($an);          my @parts;
   
   
    my %analysis = &Apache::lonnet::str2hash($an);
   
  foreach my $part_id (@{$analysis{'parts'}}) {          if (ref($analysis{'parts'}) eq 'ARRAY') {
               @parts = @{$analysis{'parts'}};
     my $lines = $analysis{"$part_id.bubble_lines"};;          }
           # Add part_ids for any essayresponse items. 
           foreach my $part_id (keys(%possible_part_ids)) {
               if ($analysis{$part_id.'.type'} eq 'essayresponse') {
                   if (!grep(/^\Q$part_id\E$/,@parts)) {
                       push (@parts,$part_id);
                   }
               }
           }
   
    foreach my $part_id (@parts) {
               my $lines = $analysis{"$part_id.bubble_lines"};
   
     # TODO - make this a persistent hash not an array.      # TODO - make this a persistent hash not an array.
   
               # optionresponse and matchresponse type items render as
     $first_bubble_line{$response_number}           = $bubble_line;              # separate sub-questions in exam mode.
     $bubble_lines_per_response{$response_number}   = $lines;              if (($analysis{$part_id.'.type'} eq 'optionresponse') ||
                   ($analysis{$part_id.'.type'} eq 'matchresponse')) {
                   my ($numbub,$numshown);
                   if ($analysis{$part_id.'.type'} eq 'optionresponse') {
                       if (ref($analysis{$part_id.'.options'}) eq 'ARRAY') {
                           $numbub = scalar(@{$analysis{$part_id.'.options'}});
                       }
                   } elsif ($analysis{$part_id.'.type'} eq 'matchresponse') {
                       if (ref($analysis{$part_id.'.items'}) eq 'ARRAY') {
                           $numbub = scalar(@{$analysis{$part_id.'.items'}});
                       }
                   }
                   if (ref($analysis{$part_id.'.shown'}) eq 'ARRAY') {
                       $numshown = scalar(@{$analysis{$part_id.'.shown'}});
                   }
                   my $bubbles_per_line = 10;
                   my $inner_bubble_lines = int($numshown/$bubbles_per_line);
                   if (($numshown % $bubbles_per_line) != 0) {
                       $inner_bubble_lines++;
                   }
                   for (my $i=0; $i<$numshown; $i++) {
                       $subdivided_bubble_lines{$response_number} .= 
                           $inner_bubble_lines.',';
                   }
                   $subdivided_bubble_lines{$response_number} =~ s/,$//;
               } 
   
               $first_bubble_line{$response_number} = $bubble_line;
       $bubble_lines_per_response{$response_number} = $lines;
               $responsetype_per_response{$response_number} = 
                   $analysis{$part_id.'.type'};
     $response_number++;      $response_number++;
   
     $bubble_line +=  $lines;      $bubble_line +=  $lines;
Removed from v.1.502  
changed lines
  Added in v.1.503

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