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Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.120 and 1.146

version 1.120, 2007/06/26 10:42:09 version 1.146, 2010/06/14 02:08:28
Line 18 Line 18
 # GNU General Public License for more details.  # GNU General Public License for more details.
 #  #
 # You should have received a copy of the GNU General Public License  # You should have received a copy of the GNU General Public License
 # along with LON-CAPA; if not, write to the Free Software  # along with LON-CAPA; if not, write to the Free Software# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  
 #  #
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   
   
 package Apache::radiobuttonresponse;  package Apache::radiobuttonresponse;
 use strict;  use strict;
 use HTML::Entities();  use HTML::Entities();
Line 34  use Apache::lonnet; Line 35  use Apache::lonnet;
 use Apache::response;  use Apache::response;
   
 my $default_bubbles_per_line = 10;  my $default_bubbles_per_line = 10;
 my $bubbles_per_line;  
 my $bubble_lines = 1;  
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));      &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
 }  }
   
   sub bubble_line_count {
       my ($numfoils, $bubbles_per_line) = @_;
       my $bubble_lines;
       $bubble_lines = int($numfoils / $bubbles_per_line);
       if (($numfoils % $bubbles_per_line) != 0) {
    $bubble_lines++;
       }
       return $bubble_lines;
       
   }
   
   
 sub start_radiobuttonresponse {  sub start_radiobuttonresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
   
   
   
     #when in a radiobutton response use these      #when in a radiobutton response use these
     &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));      &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
     push (@Apache::lonxml::namespace,'radiobuttonresponse');      push (@Apache::lonxml::namespace,'radiobuttonresponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
     $bubbles_per_line =   
  &Apache::response::get_response_param($Apache::inputtags::part."_$id",  
       'numbubbles',  
       $default_bubbles_per_line);  
   
     %Apache::hint::radiobutton=();      %Apache::hint::radiobutton=();
     undef(%Apache::response::foilnames);      undef(%Apache::response::foilnames);
     if ($target eq 'meta') {      if ($target eq 'meta') {
  $result=&Apache::response::meta_package_write('radiobuttonresponse');   $result=&Apache::response::meta_package_write('radiobuttonresponse');
     } elsif ($target eq 'edit' ) {      } elsif ($target eq 'edit' ) {
  $result.=&Apache::edit::start_table($token).   $result.=&Apache::edit::start_table($token)
     '<tr><td>'.&Apache::lonxml::description($token).             .'<tr><td>'.&Apache::lonxml::description($token)
     &Apache::loncommon::help_open_topic('Radio_Response_Problems').             .&Apache::loncommon::help_open_topic('Radio_Response_Problems')
     "</td><td>Delete:".             .'</td>'
     &Apache::edit::deletelist($target,$token)             .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
     ."</td><td>&nbsp".&Apache::edit::end_row()             .&Apache::edit::deletelist($target,$token)
     .&Apache::edit::start_spanning_row();             .'</span></td>'
              .'<td>&nbsp;'.&Apache::edit::end_row()
              .&Apache::edit::start_spanning_row();
  $result.=   $result.=
     &Apache::edit::text_arg('Max Number Of Shown Foils:','max',      &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
     $token,'4').      $token,'4').'&nbsp;'x 3 .
     &Apache::edit::select_arg('Randomize Foil Order','randomize',      &Apache::edit::select_arg('Randomize Foil Order:','randomize',
       ['yes','no'],$token).        ['yes','no'],$token).'&nbsp;'x 3 .
     &Apache::edit::select_arg('Display Direction','direction',      &Apache::edit::select_arg('Display Direction:','direction',
       ['vertical','horizontal'],$token).        ['vertical','horizontal'],$token).
       &Apache::edit::end_row().        &Apache::edit::end_row().
       &Apache::edit::start_spanning_row()."\n";        &Apache::edit::start_spanning_row()."\n";
Line 96  sub start_radiobuttonresponse { Line 104  sub start_radiobuttonresponse {
  } else {   } else {
     $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';      $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
  }   }
  $result .= '\begin{enumerate}';          if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
               $result .= '\begin{itemize}';
           } else {
               $result .= '\begin{enumerate}';
           }
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  my $part_id="$Apache::inputtags::part.$id";   my $part_id="$Apache::inputtags::part.$id";
           $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
  push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);   push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
     }      }
     return $result;      return $result;
Line 108  sub end_radiobuttonresponse { Line 121  sub end_radiobuttonresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }      if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
     if ($target eq 'tex') { $result .= '\end{enumerate}'; }      if ($target eq 'tex' ) {
           if($env{'form.pdfFormFields'} eq 'yes' and $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
               $result .= '\end{itemize}';
           } else {
               $result .= '\end{enumerate}';
           }
       }
     &Apache::response::end_response;      &Apache::response::end_response;
     pop @Apache::lonxml::namespace;      pop @Apache::lonxml::namespace;
     &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));      &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
Line 130  sub start_foilgroup { Line 149  sub start_foilgroup {
 }  }
   
 sub storesurvey {  sub storesurvey {
       my ($style) = @_;
     if ( !&Apache::response::submitted() ) { return ''; }      if ( !&Apache::response::submitted() ) { return ''; }
     my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};      my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     &Apache::lonxml::debug("Here I am!:$response:");      &Apache::lonxml::debug("Here I am!:$response:");
Line 137  sub storesurvey { Line 157  sub storesurvey {
     my $part = $Apache::inputtags::part;      my $part = $Apache::inputtags::part;
     my $id = $Apache::inputtags::response['-1'];      my $id = $Apache::inputtags::response['-1'];
     my @whichfoils=@{ $Apache::response::foilgroup{'names'} };      my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
     &bubble_line_count(scalar(@whichfoils));  
     my %responsehash;      my %responsehash;
     $responsehash{$whichfoils[$response]}=$response;      $responsehash{$whichfoils[$response]}=$response;
     my $responsestr=&Apache::lonnet::hash2str(%responsehash);      my $responsestr=&Apache::lonnet::hash2str(%responsehash);
     $Apache::lonhomework::results{"resource.$part.$id.submission"}=      $Apache::lonhomework::results{"resource.$part.$id.submission"}=
  $responsestr;   $responsestr;
     my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);      my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
     my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';      my $ad;
       if ($style eq 'anonsurvey') {
           $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
       } elsif ($style eq 'anonsurveycred') {
           $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
       } elsif ($style eq 'surveycred') {
           $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
       } else {
           $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
       }
     &Apache::response::handle_previous(\%previous,$ad);      &Apache::response::handle_previous(\%previous,$ad);
     &Apache::lonxml::debug("submitted a $response<br />\n");      &Apache::lonxml::debug("submitted a $response<br />\n");
     return '';      return '';
 }  }
   
 sub bubble_line_count {  
     my ($numfoils) = @_;  
     $bubble_lines = int($numfoils / $bubbles_per_line);  
     if (($numfoils % $bubbles_per_line) != 0) {  
  $bubble_lines++;  
     }  
     return $bubble_lines;  
       
 }  
   
 sub grade_response {  sub grade_response {
     my ($max,$randomize)=@_;      my ($answer, $whichfoils, $bubbles_per_line)=@_;
     #keep the random numbers the same must always call this  
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);  
     if ( !&Apache::response::submitted() ) { return; }      if ( !&Apache::response::submitted() ) { return; }
     my $response;      my $response;
           
     # Need to know how many foils we have so that I know how many  
     # bubble lines to consume:  
       
     my $numfoils = scalar(@whichfoils);  
     &bubble_line_count($numfoils);  
   
       
       
     if ($env{'form.submitted'} eq 'scantron') {      if ($env{'form.submitted'} eq 'scantron') {
  $response = &Apache::response::getresponse(1,undef,$bubble_lines,   $response = &Apache::response::getresponse(1,undef,
  $bubbles_per_line);     &bubble_line_count(scalar(@{ $whichfoils}),
         $bubbles_per_line),
      $bubbles_per_line);
   
     } else {      } else {
  $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};   $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
Line 188  sub grade_response { Line 200  sub grade_response {
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $id = $Apache::inputtags::response['-1'];      my $id = $Apache::inputtags::response['-1'];
     my %responsehash;      my %responsehash;
     $responsehash{$whichfoils[$response]}=$response;      $responsehash{$whichfoils->[$response]}=$response;
     my $responsestr=&Apache::lonnet::hash2str(%responsehash);      my $responsestr=&Apache::lonnet::hash2str(%responsehash);
     my %previous=&Apache::response::check_for_previous($responsestr,      my %previous=&Apache::response::check_for_previous($responsestr,
        $part,$id);         $part,$id);
Line 209  sub end_foilgroup { Line 221  sub end_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
     my $result;      my $result;
       my $bubble_lines;
       my $bubbles_per_line;
       my $answer_count;
       my $id   = $Apache::inputtags::response['-1'];
       my $part = $Apache::inputtags::part;
       $bubbles_per_line = 
    &Apache::response::get_response_param($Apache::inputtags::part."_$id",
         'numbubbles',
         $default_bubbles_per_line);
   
   
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
  my $style = $Apache::lonhomework::type;   my $style = $Apache::lonhomework::type;
  my $direction = &Apache::lonxml::get_param('direction',$parstack,   my $direction = &Apache::lonxml::get_param('direction',$parstack,
    $safeeval,'-2');     $safeeval,'-2');
  if ( $style eq 'survey'  && $target ne 'analyze') {   if ( (($style eq 'survey') || ($style eq 'surveycred') || 
                 ($style eq 'anonsurvey') || ($style eq 'anonsurveycred')) 
                && ($target ne 'analyze')) {
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
  $result=&displayallfoils($direction, $target);   $result=&displayallfoils($direction, $target);
     } elsif ( $target eq 'answer' ) {      } elsif ( $target eq 'answer' ) {
  $result=&displayallanswers();   $result=&displayallanswers();
     } elsif ( $target eq 'grade' ) {      } elsif ( $target eq 'grade' ) {
  $result=&storesurvey();   $result=&storesurvey($style);
     }      }
       $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
   
  } else {   } else {
   
     my $name;      my $name;
     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,      my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
  '-2');   '-2');
     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,      my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
        $safeeval,'-2');         $safeeval,'-2');
       my ($answer, @shown) = &whichfoils($max, $randomize);
       $answer_count = scalar(@shown);
   
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
  $result=&displayfoils($target,$max,$randomize,$direction);   $result=&displayfoils($target,
         $answer, \@shown,
         $direction,
         $bubbles_per_line);
     } elsif ($target eq 'answer' ) {      } elsif ($target eq 'answer' ) {
  $result=&displayanswers($max,$randomize);   $result=&displayanswers($answer, \@shown, $bubbles_per_line);
     } elsif ( $target eq 'grade') {      } elsif ( $target eq 'grade') {
  &grade_response($max,$randomize);   &grade_response($answer, \@shown, $bubbles_per_line);
     }  elsif ( $target eq 'analyze') {      }  elsif ( $target eq 'analyze') {
  my @shown = &whichfoils($max,$randomize);   my $bubble_lines = &bubble_line_count($answer_count, 
  &bubble_line_count(scalar(@shown));        $bubbles_per_line);
  &Apache::response::analyze_store_foilgroup(\@shown,   &Apache::response::analyze_store_foilgroup(\@shown,
    ['text','value','location']);     ['text','value','location']);
  my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";   my $part_id="$part.$id";
  push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },   push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
       ('true','false'));        ('true','false'));
   
     }      }
  }   }
  $Apache::lonxml::post_evaluate=0;   $Apache::lonxml::post_evaluate=0;
Line 250  sub end_foilgroup { Line 285  sub end_foilgroup {
  &Apache::response::setup_prior_tries_hash(\&format_prior_answer,   &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
   [\%Apache::response::foilgroup]);    [\%Apache::response::foilgroup]);
     }      }
       
     &Apache::response::poprandomnumber();      &Apache::response::poprandomnumber();
     &Apache::lonxml::increment_counter($bubble_lines);      $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
       &Apache::lonxml::increment_counter($bubble_lines,
          "$part.$id");
       if ($target eq 'analyze') {
    &Apache::lonhomework::set_bubble_lines();
       }
     return $result;      return $result;
 }  }
   
Line 289  sub displayallfoils { Line 328  sub displayallfoils {
     my $result;      my $result;
     &Apache::lonxml::debug("survey style display");      &Apache::lonxml::debug("survey style display");
     my @names;      my @names;
     &Apache::lonnet::loghthis("Display all foils");  
     if ( $Apache::response::foilgroup{'names'} ) {      if ( $Apache::response::foilgroup{'names'} ) {
  @names= @{ $Apache::response::foilgroup{'names'} };   @names= @{ $Apache::response::foilgroup{'names'} };
     }      }
     &bubble_line_count(scalar(@names));  
   
     my $temp=0;      my $temp=0;
     my $i   =0;      my $i   =0;
     my $id=$Apache::inputtags::response['-1'];      my $id=$Apache::inputtags::response['-1'];
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $lastresponse=      my $lastresponse;
  $Apache::lonhomework::history{"resource.$part.$id.submission"};      unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
           $lastresponse = 
       $Apache::lonhomework::history{"resource.$part.$id.submission"};
       }
     if ($direction eq 'horizontal') { $result.='<table><tr>'; }      if ($direction eq 'horizontal') { $result.='<table><tr>'; }
     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);      my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
     if (&Apache::response::show_answer() ) {      if (&Apache::response::show_answer() ) {
Line 336  sub displayallfoils { Line 376  sub displayallfoils {
     $result.="<td>";      $result.="<td>";
  } else {   } else {
     if ($target eq 'tex') {      if ($target eq 'tex') {
  $result .= '\item \vskip -2mm ';          if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
     } else {                              my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part
                                               .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'];
                               $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]'
                                          .$Apache::response::foilgroup{$name.'.text'}."\n";
                           } else {
                               $result .= '\item \vskip -2mm ';
                           }
                       } else {
  $result.="<br />";   $result.="<br />";
     }      }
  }   }
  if ($target eq 'tex') {   if ($target eq 'tex') {
     $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs      if($env{'form.pdfFormFields'} ne 'yes' or $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
                           $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
                       }
     $i++;      $i++;
  } else {   } else {
     $result .= '<label>';      $result .= '<label>';
Line 350  sub displayallfoils { Line 399  sub displayallfoils {
                        onchange=\"javascript:setSubmittedPart('$part');\"                         onchange=\"javascript:setSubmittedPart('$part');\"
                        type=\"radio\"                         type=\"radio\"
                        name=\"HWVAL_$Apache::inputtags::response['-1']\"                         name=\"HWVAL_$Apache::inputtags::response['-1']\"
                        value=\"$temp\" ";                         value=\"$temp\"";
     if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }      if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
     $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.      $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
  '</label>';   '</label>';
  }   }
Line 369  sub displayallfoils { Line 418  sub displayallfoils {
     return $result;      return $result;
 }  }
   
   
 sub whichfoils {  sub whichfoils {
     my ($max,$randomize)=@_;      my ($max,$randomize)=@_;
   
Line 402  sub whichfoils { Line 452  sub whichfoils {
  &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));   &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
     }      }
  }   }
  if (!$havetrue && $Apache::lonhomework::type ne 'survey') {   if ((!$havetrue) && 
     &Apache::lonxml::error("There are no true statements available.<br />");              ($Apache::lonhomework::type ne 'survey') && 
               ($Apache::lonhomework::type ne 'surveycred') &&
               ($Apache::lonhomework::type ne 'anonsurvey') &&
               ($Apache::lonhomework::type ne 'anonsurveycred')) {
       &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
  }   }
     } else {      } else {
  my $current=0;   my $current=0;
Line 462  sub whichfoils { Line 516  sub whichfoils {
  &Apache::lonxml::debug("Answer wants $answer");   &Apache::lonxml::debug("Answer wants $answer");
  my $truename=$truelist[$whichtrue];   my $truename=$truelist[$whichtrue];
  my $dosplice=1;   my $dosplice=1;
  if ($notrue && $Apache::lonhomework::type ne 'survey') {   if (($notrue) && 
               ($Apache::lonhomework::type ne 'survey') &&
               ($Apache::lonhomework::type ne 'surveycred') &&
               ($Apache::lonhomework::type ne 'anonsurvey') &&
               ($Apache::lonhomework::type ne 'anonsurveycred')) {
     $dosplice=0;      $dosplice=0;
     &Apache::lonxml::error("There are no true statements available.<br />");      &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
  }   }
  #insert the true statement, keeping track of where it wants to be   #insert the true statement, keeping track of where it wants to be
  if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {   if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
Line 506  sub whichfoils { Line 564  sub whichfoils {
 }  }
   
 sub displayfoils {  sub displayfoils {
     my ($target,$max,$randomize,$direction)=@_;      my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
     my $result;      my $result;
   
     my ($answer,@whichfoils)=&whichfoils($max,$randomize);  
     &bubble_line_count(scalar(@whichfoils));  
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};      my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     if ( ($target ne 'tex') &&      if ( ($target ne 'tex') &&
Line 520  sub displayfoils { Line 576  sub displayfoils {
  $result.='<table><tr>';   $result.='<table><tr>';
     }      }
  }   }
  foreach my $name (@whichfoils) {   foreach my $name (@{ $whichfoils }) {
     if ($direction eq 'horizontal') {      if ($direction eq 'horizontal') {
  if ($target ne 'tex') { $result.='<td>'; }   if ($target ne 'tex') { $result.='<td>'; }
     }      }
Line 530  sub displayfoils { Line 586  sub displayfoils {
  $result.='\item \vskip -2 mm  ';   $result.='\item \vskip -2 mm  ';
     }      }
     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}   if ($target ne 'tex') {
                       $result.=&mt('Correct:').'<b>';
                   } else {
                       $result.=&mt('Correct:').' \textbf{';
                   }
     } else {      } else {
  $result.='Incorrect:';   $result.=&mt('Incorrect:');
     }      }
     if ($target eq 'web') { $result.="<label>"; }      if ($target eq 'web') { $result.="<label>"; }
     $result.=$Apache::response::foilgroup{$name.'.text'};      $result.=$Apache::response::foilgroup{$name.'.text'};
Line 553  sub displayfoils { Line 613  sub displayfoils {
  my @alphabet = ('A'..'Z');   my @alphabet = ('A'..'Z');
  my $i = 0;   my $i = 0;
  my $bubble_number = 0;   my $bubble_number = 0;
    my $line = 0;
  my $temp=0;     my $temp=0;  
  my $id=$Apache::inputtags::response['-1'];   my $id=$Apache::inputtags::response['-1'];
  my $part=$Apache::inputtags::part;   my $part=$Apache::inputtags::part;
Line 561  sub displayfoils { Line 622  sub displayfoils {
  if ($target ne 'tex' && $direction eq 'horizontal') {   if ($target ne 'tex' && $direction eq 'horizontal') {
     $result.="<table><tr>";      $result.="<table><tr>";
  }   }
  foreach my $name (@whichfoils) {   foreach my $name (@{ $whichfoils }) {
     if ($target ne 'tex') {      if ($target ne 'tex') {
  if ($direction eq 'horizontal') {   if ($direction eq 'horizontal') {
     $result.="<td>";       $result.="<td>"; 
Line 575  sub displayfoils { Line 636  sub displayfoils {
     "<input type=\"radio\"      "<input type=\"radio\"
                             onchange=\"javascript:setSubmittedPart('$part');\"                              onchange=\"javascript:setSubmittedPart('$part');\"
                             name=\"HWVAL_$Apache::inputtags::response['-1']\"                              name=\"HWVAL_$Apache::inputtags::response['-1']\"
                             value=\"$temp\" ";                              value=\"$temp\"";
  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }   if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
  $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";   $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
     } else {      } else {
  if ($Apache::lonhomework::type eq 'exam') {   if ($Apache::lonhomework::type eq 'exam') {
     $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs  
     $i++;  
     $bubble_number++;  
     if($bubble_number >= $bubbles_per_line) {      if($bubble_number >= $bubbles_per_line) {
    $line++;
  $i = 0;   $i = 0;
  $bubble_number = 0;   $bubble_number = 0;
  $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';   $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
     }      }
       $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
       $i++;
       $bubble_number++;
  } else {   } else {
     $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};                      if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
  }                          my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part
                                           .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'];
                           $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]'
                                      .$Apache::response::foilgroup{$name.'.text'}."\n";
                       } else { 
                           $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
                       }
                   }
     }      }
     if ($target ne 'tex' && $direction eq 'horizontal') {      if ($target ne 'tex' && $direction eq 'horizontal') {
  $result.="</td>";    $result.="</td>"; 
Line 610  sub displayallanswers { Line 679  sub displayallanswers {
     if ( $Apache::response::foilgroup{'names'} ) {      if ( $Apache::response::foilgroup{'names'} ) {
  @names= @{ $Apache::response::foilgroup{'names'} };   @names= @{ $Apache::response::foilgroup{'names'} };
     }      }
     &bubble_line_count(scalar(@names));  
     my $result=&Apache::response::answer_header('radiobuttonresponse');      my $result=&Apache::response::answer_header('radiobuttonresponse');
     foreach my $name (@names) {      foreach my $name (@names) {
  $result.=&Apache::response::answer_part('radiobuttonresponse',   $result.=&Apache::response::answer_part('radiobuttonresponse',
Line 621  sub displayallanswers { Line 689  sub displayallanswers {
 }  }
   
 sub displayanswers {  sub displayanswers {
     my ($max,$randomize)=@_;      my ($answer, $whichopt, $bubbles_per_line)=@_;
     my ($answer,@whichopt) = &whichfoils($max,$randomize);      my $result;
     my $result=&Apache::response::answer_header('radiobuttonresponse');  
     if ($Apache::lonhomework::type eq 'exam') {      if ($Apache::lonhomework::type eq 'exam') {
  my $correct = ('A'..'Z')[$answer];   my $line = int($answer/$bubbles_per_line);
  $result.=&Apache::response::answer_part('radiobuttonresponse',   my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
  $correct);   $result .= &Apache::response::answer_header('radiobuttonresponse',
       $line);
    $result .= &Apache::response::answer_part('radiobuttonresponse',
     $correct);
       } else {
    $result .= &Apache::response::answer_header('radiobuttonresponse');
     }      }
     foreach my $name (@whichopt) {      foreach my $name (@{ $whichopt }) {
  $result.=&Apache::response::answer_part('radiobuttonresponse',   $result.=&Apache::response::answer_part('radiobuttonresponse',
  $Apache::response::foilgroup{$name.'.value'});   $Apache::response::foilgroup{$name.'.value'});
     }      }
Line 717  sub end_foil { Line 790  sub end_foil {
  if ($value ne 'unused') {   if ($value ne 'unused') {
     my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     if ($name eq "") {      if ($name eq "") {
  &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");   &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
  $name=$Apache::lonxml::curdepth;   $name=$Apache::lonxml::curdepth;
     }      }
     if (defined($Apache::response::foilnames{$name})) {      if (defined($Apache::response::foilnames{$name})) {
  &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));   &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
     }      }
     $Apache::response::foilnames{$name}++;      $Apache::response::foilnames{$name}++;
     my $location =&Apache::lonxml::get_param('location',$parstack,      my $location =&Apache::lonxml::get_param('location',$parstack,
Line 752  sub insert_foil { Line 825  sub insert_foil {
 }  }
 1;  1;
 __END__  __END__
   
   
   
   =head1 NAME
   
   Apache::radiobuttonresponse
   
   =head1 SYNOPSIS
   
   Handles multiple-choice style responses.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 SUBROUTINES
   
   =over
   
   =item start_radiobuttonresponse()
   
   =item bubble_line_count()
   
   =item end_radiobuttonresponse()
   
   =item start_foilgroup()
   
   =item storesurvey()
   
   =item grade_response()
   
   =item end_foilgroup()
   
   =item getfoilcounts()
   
   =item format_prior_answer()
   
   =item displayallfoils()
   
   =item &whichfoils($max,$randomize)
   
   Randomizes the list of foils.
   Respects
     - each foils desire to be randomized
     - the existance of Concept groups of foils (select 1 foil from each)
     - and selects a single correct statement from all possilble true statments
     - and limits it to a toal of $max foils
   
   WARNING: this routine uses the random number generator, it should only
   be called once per target, otherwise it can cause randomness changes in
   homework problems.
   
   Arguments
     $max - maximum number of foils to select (including the true one)
            (so a max of 5 is: 1 true, 4 false)
   
     $randomize - whether to randomize the listing of foils, by default
                  will randomize, only if randomize is 'no' will it not
   
   Returns
     $answer - location in the array of the correct answer
     @foils  - array of foil names in to display order
   
   =item displayfoils()
   
   =item displayallanswers()
   
   =item displayanswers()
   
   =item start_conceptgroup()
   
   =item end_conceptgroup()
   
   =item insert_conceptgroup()
   
   =item start_foil()
   
   =item end_foil()
   
   =item insert_foil()
   
   =back
   
   =cut
     
Removed from v.1.120  
changed lines
  Added in v.1.146

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