[BACK]Return to grades.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework

Diff for /loncom/homework/grades.pm between versions 1.494 and 1.500

version 1.494, 2007/11/16 08:52:15 version 1.500, 2007/12/15 21:54:35
Line 48  use POSIX qw(floor); Line 48  use POSIX qw(floor);
   
   
 my %perm=();  my %perm=();
 my %bubble_lines_per_response = ();     # no. bubble lines for each response.  
                                    # index is "symb.part_id"  
   
 my %first_bubble_line = (); # First bubble line no. for each bubble.  
   
 # Save and restore the bubble lines array to the form env.  
   
   
 sub save_bubble_lines {  
     foreach my $line (keys(%bubble_lines_per_response)) {  
  $env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};  
  $env{"form.scantron.first_bubble_line.$line"} =  
     $first_bubble_line{$line};  
     }  
 }  
   
   
 sub restore_bubble_lines {  
     my $line = 0;  
     %bubble_lines_per_response = ();  
     while ($env{"form.scantron.bubblelines.$line"}) {  
  my $value = $env{"form.scantron.bubblelines.$line"};  
  $bubble_lines_per_response{$line} = $value;  
  $first_bubble_line{$line}  =  
     $env{"form.scantron.first_bubble_line.$line"};  
  $line++;  
     }  
   
 }  
   
 #  Given the parsed scanline, get the response for   
 #  'answer' number n:  
   
 sub get_response_bubbles {  
     my ($parsed_line, $response)  = @_;  
   
   
     my $bubble_line = $first_bubble_line{$response-1} +1;  
     my $bubble_lines= $bubble_lines_per_response{$response-1};  
       
     my $selected = "";  
   
     for (my $bline = 0; $bline < $bubble_lines; $bline++) {  
  $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";  
  $bubble_line++;  
     }  
     return $selected;  
 }  
   
   
 # ----- These first few routines are general use routines.----  
   
 # Return the number of occurences of a pattern in a string.  
   
 sub occurence_count {  
     my ($string, $pattern) = @_;  
   
     my @matches = ($string =~ /$pattern/g);  
   
     return scalar(@matches);  
 }  
   
   
 # Take a string known to have digits and convert all the  
 # digits into letters in the range J,A..I.  
   
 sub digits_to_letters {  
     my ($input) = @_;  
   
     my @alphabet = ('J', 'A'..'I');  
   
     my @input    = split(//, $input);  
     my $output ='';  
     for (my $i = 0; $i < scalar(@input); $i++) {  
  if ($input[$i] =~ /\d/) {  
     $output .= $alphabet[$input[$i]];  
  } else {  
     $output .= $input[$i];  
  }  
     }  
     return $output;  
 }  
   
 #  #
 # --- Retrieve the parts from the metadata file.---  # --- Retrieve the parts from the metadata file.---
Line 4256  sub displayPage { Line 4174  sub displayPage {
     my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';      my $result='<h3><span class="LC_info">&nbsp;'.$env{'form.title'}.'</span></h3>';
     $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).      $result.='<h3>&nbsp;'.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)).
  '</h3>'."\n";   '</h3>'."\n";
     if (&Apache::lonnet::validCODE($env{'form.CODE'})) {      $env{'form.CODE'} = uc($env{'form.CODE'});
       if (&Apache::lonnet::validCODE(uc($env{'form.CODE'})) {
  $result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";   $result.='<h3>&nbsp;'.&mt('CODE: [_1]',$env{'form.CODE'}).'</h3>'."\n";
     } else {      } else {
  delete($env{'form.CODE'});   delete($env{'form.CODE'});
Line 4757  sub getSequenceDropDown { Line 4676  sub getSequenceDropDown {
     return $result;      return $result;
 }  }
   
   my %bubble_lines_per_response;     # no. bubble lines for each response.
                                      # index is "symb.part_id"
   
   my %first_bubble_line;             # First bubble line no. for each bubble.
   
   # Save and restore the bubble lines array to the form env.
   
   
   sub save_bubble_lines {
       foreach my $line (keys(%bubble_lines_per_response)) {
    $env{"form.scantron.bubblelines.$line"}  = $bubble_lines_per_response{$line};
    $env{"form.scantron.first_bubble_line.$line"} =
       $first_bubble_line{$line};
       }
   }
   
   
   sub restore_bubble_lines {
       my $line = 0;
       %bubble_lines_per_response = ();
       while ($env{"form.scantron.bubblelines.$line"}) {
    my $value = $env{"form.scantron.bubblelines.$line"};
    $bubble_lines_per_response{$line} = $value;
    $first_bubble_line{$line}  =
       $env{"form.scantron.first_bubble_line.$line"};
    $line++;
       }
   
   }
   
   #  Given the parsed scanline, get the response for 
   #  'answer' number n:
   
   sub get_response_bubbles {
       my ($parsed_line, $response)  = @_;
   
   
       my $bubble_line = $first_bubble_line{$response-1} +1;
       my $bubble_lines= $bubble_lines_per_response{$response-1};
       
       my $selected = "";
   
       for (my $bline = 0; $bline < $bubble_lines; $bline++) {
    $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
    $bubble_line++;
       }
       return $selected;
   }
   
 =pod   =pod 
   
Line 5098  sub get_scantron_config { Line 5065  sub get_scantron_config {
  $config{'IDstart'}=$config[5];   $config{'IDstart'}=$config[5];
  $config{'IDlength'}=$config[6];   $config{'IDlength'}=$config[6];
  $config{'Qstart'}=$config[7];   $config{'Qstart'}=$config[7];
  $config{'Qlength'}=$config[8];    $config{'Qlength'}=$config[8];
  $config{'Qoff'}=$config[9];   $config{'Qoff'}=$config[9];
  $config{'Qon'}=$config[10];   $config{'Qon'}=$config[10];
  $config{'PaperID'}=$config[11];   $config{'PaperID'}=$config[11];
Line 5184  sub username_to_idmap { Line 5151  sub username_to_idmap {
   
 sub scantron_fixup_scanline {  sub scantron_fixup_scanline {
     my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;      my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_;
       
       
     if ($field eq 'ID') {      if ($field eq 'ID') {
  if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {   if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) {
     return ($line,1,'New value too large');      return ($line,1,'New value too large');
Line 5216  sub scantron_fixup_scanline { Line 5181  sub scantron_fixup_scanline {
    $$scantron_config{'CODElength'})=$args->{'CODE'};     $$scantron_config{'CODElength'})=$args->{'CODE'};
  }   }
     } elsif ($field eq 'answer') {      } elsif ($field eq 'answer') {
  &scantron_get_maxbubble(); # Need the bubble counter info.   my $length=$scantron_config->{'Qlength'};
  my $length =$scantron_config->{'Qlength'};  
  my $off=$scantron_config->{'Qoff'};   my $off=$scantron_config->{'Qoff'};
  my $on=$scantron_config->{'Qon'};   my $on=$scantron_config->{'Qon'};
         my $question_number = $args->{'question'} -1;   my $answer=${off}x$length;
         my $first_position  = $first_bubble_line{$question_number};   if ($args->{'response'} eq 'none') {
  my $bubble_count    = $bubble_lines_per_response{$question_number};      &scan_data($scan_data,
         my $bubbles_per_line= $$scantron_config{'Qlength'};         "$whichline.no_bubble.".$args->{'question'},'1');
  my $answer=${off}x($bubbles_per_line*$bubble_count);   } else {
         my $final_answer;      if ($on eq 'letter') {
         if ($$scantron_config{'Qon'} eq 'letter'  ||   my @alphabet=('A'..'Z');
     $$scantron_config{'Qon'} eq 'number') {    $answer=$alphabet[$args->{'response'}];
     $bubbles_per_line = 10;      } elsif ($on eq 'number') {
  }   $answer=$args->{'response'}+1;
  if (defined $args->{'response'}) {   if ($answer == 10) { $answer = '0'; }
       
     if ($args->{'response'} eq 'none') {  
  &scan_data($scan_data,  
    "$whichline.no_bubble.".$args->{'question'},'1');  
     } else {      } else {
  my ($bubble_line, $bubble_number) = split(/:/,$args->{'response'});   substr($answer,$args->{'response'},1)=$on;
  if ($on eq 'letter') {  
     my @alphabet=('A'..'Z');  
     $answer=$alphabet[$bubble_number];  
  } elsif ($on eq 'number') {  
     $answer= $bubble_number+1;  
     if ($answer == 10) { $answer = '0'; }  
  } else {  
     substr($answer,$bubble_number+$bubble_line*$bubbles_per_line,1)=$on;  
     $final_answer = $answer;  
  }  
  &scan_data($scan_data,  
    "$whichline.no_bubble.".$args->{'question'},undef,'1');  
   
  # Positional notation already has the right final answer length..  
   
  if (($on eq 'letter') || ($on eq 'number')) {  
     for (my $l = 0; $l < $bubble_count; $l++) {  
  if ($l eq $bubble_line) {  
     $final_answer .= $answer;  
  } else {  
     $final_answer .= ' ';  
  }  
     }  
  }  
     }      }
     # $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};      &scan_data($scan_data,
     #substr($line,$where-1,$length)=$answer;         "$whichline.no_bubble.".$args->{'question'},undef,'1');
     substr($line,   
    $scantron_config->{'Qstart'}+$first_position-1,  
    $bubbles_per_line*$length) = $final_answer;  
  }   }
    my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'};
    substr($line,$where-1,$length)=$answer;
     }      }
     return $line;      return $line;
 }  }
Line 5301  sub scan_data { Line 5236  sub scan_data {
     return $scan_data->{$filename.'_'.$key};      return $scan_data->{$filename.'_'.$key};
 }  }
   
   # ----- These first few routines are general use routines.----
   
   # Return the number of occurences of a pattern in a string.
   
   sub occurence_count {
       my ($string, $pattern) = @_;
   
       my @matches = ($string =~ /$pattern/g);
   
       return scalar(@matches);
   }
   
   
   # Take a string known to have digits and convert all the
   # digits into letters in the range J,A..I.
   
   sub digits_to_letters {
       my ($input) = @_;
   
       my @alphabet = ('J', 'A'..'I');
   
       my @input    = split(//, $input);
       my $output ='';
       for (my $i = 0; $i < scalar(@input); $i++) {
    if ($input[$i] =~ /\d/) {
       $output .= $alphabet[$input[$i]];
    } else {
       $output .= $input[$i];
    }
       }
       return $output;
   }
   
 =pod   =pod 
   
 =item scantron_parse_scanline  =item scantron_parse_scanline
Line 5702  sub scantron_process_corrections { Line 5670  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_$question"}});
     if ($err) { last; }      if ($err) { last; }
  }   }
     }      }
Line 6613  ENDSCRIPT Line 6581  ENDSCRIPT
  $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 a some question(s)")."</p>\n");
   
    # The form field scantron_questions is acutally a list of line numbers.
    # represented by this form so:
   
    my $line_list = &questions_to_line_list($arg);
   
  $r->print('<input type="hidden" name="scantron_questions" value="'.   $r->print('<input type="hidden" name="scantron_questions" value="'.
   join(',',@{$arg}).'" />');    $line_list.'" />');
  $r->print($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}) {
     my $selected  = &get_response_bubbles($scan_record, $question);      &prompt_for_corrections($r, $question, $scan_config, $scan_record);
     my @select_array = split(/:/,$selected);  
     &scantron_bubble_selector($r,$scan_config,$question,  
       @select_array);  
  }   }
     } elsif ($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
    # a list of question numbers. Therefore:
    #
   
    my $line_list = &questions_to_line_list($arg);
   
  $r->print('<input type="hidden" name="scantron_questions" value="'.   $r->print('<input type="hidden" name="scantron_questions" value="'.
   join(',',@{$arg}).'" />');    $line_list.'" />');
  foreach my $question (@{$arg}) {   foreach my $question (@{$arg}) {
     my $selected = &get_response_bubbles($scan_record, $question);      &prompt_for_corrections($r, $question, $scan_config, $scan_record);
     my @select_array = split(/:/,$selected); # ought to be an array of empties.  
     &scantron_bubble_selector($r,$scan_config,$question, @select_array);  
  }   }
     } else {      } else {
  $r->print("\n<ul>");   $r->print("\n<ul>");
     }      }
     $r->print("\n</li></ul>");      $r->print("\n</li></ul>");
   
 }  }
   
 =pod  =pod
   
 =item scantron_bubble_selector  =item  questions_to_line_list
     
    Generates the html radiobuttons to correct a single bubble line  
    possibly showing the existing the selected bubbles if known  
   
  Arguments:  Converts a list of questions into a string of comma separated
     $r           - Apache request object  line numbers in the answer sheet used by the questions.  This is
     $scan_config - hash from &get_scantron_config()  used to fill in the scantron_questions form field.
     $quest       - number of the bubble line to make a corrector for  
     @lines       - array of answer lines.    Arguments:
        questions    - Reference to an array of questions.
   
 =cut  =cut
   
 sub scantron_bubble_selector {  
     my ($r,$scan_config,$quest,@lines)=@_;  
     my $max=$$scan_config{'Qlength'};  
   
   sub questions_to_line_list {
       my ($questions) = @_;
       my @lines;
   
     my $scmode=$$scan_config{'Qon'};      foreach my $question (@{$questions}) {
    my $first   = $first_bubble_line{$question-1} + 1;
    my $count   = $bubble_lines_per_response{$question-1};
    my $last = $first+$count-1;
    push(@lines, ($first..$last));
       }
       return join(',', @lines);
   }
   
     my $bubble_length = scalar(@lines);  =pod 
   
   =item prompt_for_corrections
   
     if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }       Prompts for a potentially multiline correction to the
   user's bubbling (factors out common code from scantron_get_correction
   for multi and missing bubble cases).
   
     my $response = $quest-1;   Arguments:
     my $lines = $bubble_lines_per_response{$response};     $r           - Apache request object.
      $question    - The question number to prompt for.
      $scan_config - The scantron file configuration hash.
      $scan_record - Reference to the hash that has the the parsed scanlines.
   
     my $total_lines = $lines*2;   Implicit inputs:
     my @alphabet=('A'..'Z');     %bubble_lines_per_response   - Starting line numbers for each question.
                                     Numbered from 0 (but question numbers are from
                                     1.
      %first_bubble_line           - Starting bubble line for each question.
   
     $r->print("<table border='1'><tr><td rowspan='".$total_lines."'>$quest</td>");  =cut
   
     for (my $l = 0; $l < $lines; $l++) {  sub prompt_for_corrections {
  if ($l != 0) {      my ($r, $question, $scan_config, $scan_record) = @_;
     $r->print('<tr>');  
  }  
  my @selected = split(//,$lines[$l]);  
  for (my $i=0;$i<$max;$i++) {  
     $r->print("\n".'<td align="center">');  
     if ($selected[0] eq $alphabet[$i]) {   
  $r->print('X');   
  shift(@selected) ;  
     } else {   
  $r->print('&nbsp;');   
     }  
     $r->print('</td>');  
       
  }  
   
  if ($l == 0) {      my $lines        = $bubble_lines_per_response{$question-1};
     my $lspan = $total_lines * 2;   #  2 table rows per bubble line.      my $current_line = $first_bubble_line{$question-1} + 1 ;
   
     $r->print('<td rowspan='.$lspan.'><label><input type="radio" name="scantron_correct_Q_'.      if ($lines > 1) {
       $quest.'" value="none" /> '.&mt('No bubble').' </label></td>');   $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 />");
       }
  }      for (my $i =0; $i < $lines; $i++) {
    my $selected = $$scan_record{"scantron.$current_line.answer"};
    &scantron_bubble_selector($r, $scan_config, $current_line, 
     split('', $selected));
    $current_line++;
       }
       if ($lines > 1) {
    $r->print("<hr /><br />");
       }
   }
   
  $r->print('</tr><tr>');  =pod
   
  # FIXME: This may have to be a bit more clever for  =item scantron_bubble_selector
  #        multiline questions (different values e.g..).    
      Generates the html radiobuttons to correct a single bubble line
      possibly showing the existing the selected bubbles if known
   
  for (my $i=0;$i<$max;$i++) {   Arguments:
     my $value = "$l:$i"; # Relative bubble line #: Bubble in line.      $r           - Apache request object
     $r->print("\n".      $scan_config - hash from &get_scantron_config()
       '<td><label><input type="radio" name="scantron_correct_Q_'.      $line        - Number of the line being displayed.
       $quest.'" value="'.$value.'" />'.$alphabet[$i]."</label></td>");      @selected    - Array of bubbles picked on this line.
  }  
  $r->print('</tr>');  
   
       =cut
     }  
     $r->print('</table>');  sub scantron_bubble_selector {
       my ($r,$scan_config,$line,@selected)=@_;
       my $max=$$scan_config{'Qlength'};
   
       my $scmode=$$scan_config{'Qon'};
       if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; }     
   
       my @alphabet=('A'..'Z');
       $r->print("<table border='1'><tr><td rowspan='2'>$line</td>");
       for (my $i=0;$i<$max+1;$i++) {
    $r->print("\n".'<td align="center">');
    if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) }
    else { $r->print('&nbsp;'); }
    $r->print('</td>');
       }
       $r->print('</tr><tr>');
       for (my $i=0;$i<$max;$i++) {
    $r->print("\n".
     '<td><label><input type="radio" name="scantron_correct_Q_'.
     $line.'" value="'.$i.'" />'.$alphabet[$i]."</label></td>");
       }
       $r->print('<td><label><input type="radio" name="scantron_correct_Q_'.
         $line.'" value="none" /> No bubble </label></td>');
       $r->print('</tr></table>');
 }  }
   
 =pod  =pod
Line 7670  GRADINGMENUJS Line 7677  GRADINGMENUJS
       </div>        </div>
     </div>      </div>
   </form>';    </form>';
       $result .= &show_grading_menu_form($symb);
     return $result;      return $result;
 }  }
   
Removed from v.1.494  
changed lines
  Added in v.1.500

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>