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Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.39 and 1.146

version 1.39, 2002/04/03 19:32:36 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/
 #  #
 # 2/21 Guy  
   
   
 package Apache::radiobuttonresponse;  package Apache::radiobuttonresponse;
 use strict;  use strict;
   use HTML::Entities();
   use Apache::lonlocal;
   use Apache::lonnet;
   use Apache::response;
   
   my $default_bubbles_per_line = 10;
   
   
 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  
   &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));      #when in a radiobutton response use these
   push (@Apache::lonxml::namespace,'radiobuttonresponse');      &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
   my $id = &Apache::response::start_response($parstack,$safeeval);      push (@Apache::lonxml::namespace,'radiobuttonresponse');
   if ($target eq 'meta') {      my $id = &Apache::response::start_response($parstack,$safeeval);
     $result=&Apache::response::meta_package_write('radiobuttonresponse');  
   } elsif ($target eq 'edit' ) {      %Apache::hint::radiobutton=();
     $result.=&Apache::edit::start_table($token).      undef(%Apache::response::foilnames);
  '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".      if ($target eq 'meta') {
  &Apache::edit::deletelist($target,$token)   $result=&Apache::response::meta_package_write('radiobuttonresponse');
  ."</td><td>&nbsp".&Apache::edit::end_row()      } elsif ($target eq 'edit' ) {
         .&Apache::edit::start_spanning_row();   $result.=&Apache::edit::start_table($token)
              .'<tr><td>'.&Apache::lonxml::description($token)
     $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').             .&Apache::loncommon::help_open_topic('Radio_Response_Problems')
  &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";             .'</td>'
   } elsif ($target eq 'modified') {             .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,             .&Apache::edit::deletelist($target,$token)
  $safeeval,'max');             .'</span></td>'
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }             .'<td>&nbsp;'.&Apache::edit::end_row()
   } elsif ($target eq 'tex') {             .&Apache::edit::start_spanning_row();
       $result .= '\begin{enumerate}';   $result.=
   }      &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
   return $result;      $token,'4').'&nbsp;'x 3 .
       &Apache::edit::select_arg('Randomize Foil Order:','randomize',
         ['yes','no'],$token).'&nbsp;'x 3 .
       &Apache::edit::select_arg('Display Direction:','direction',
         ['vertical','horizontal'],$token).
         &Apache::edit::end_row().
         &Apache::edit::start_spanning_row()."\n";
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'max',
        'randomize','direction');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       } elsif ($target eq 'tex') {
    my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
       undef,0);
    if ($type eq '1') {
       $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
    } elsif ($type eq 'A') {
       $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
    } elsif ($type eq 'a') {
       $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
    } elsif ($type eq 'i') {
       $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
    } else {
       $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
    }
           if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
               $result .= '\begin{itemize}';
           } else {
               $result .= '\begin{enumerate}';
           }
       } elsif ($target eq 'analyze') {
    my $part_id="$Apache::inputtags::part.$id";
           $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
    push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
       }
       return $result;
 }  }
   
 sub end_radiobuttonresponse {  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' ) {
   &Apache::response::end_response;          if($env{'form.pdfFormFields'} eq 'yes' and $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
   pop @Apache::lonxml::namespace;              $result .= '\end{itemize}';
   &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));          } else {
   return $result;              $result .= '\end{enumerate}';
           }
       }
       &Apache::response::end_response;
       pop @Apache::lonxml::namespace;
       &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
       undef(%Apache::response::foilnames);
       return $result;
 }  }
   
 %Apache::response::foilgroup={};  %Apache::response::foilgroup=();
 sub start_foilgroup {  sub start_foilgroup {
   %Apache::response::foilgroup={};      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::radiobuttonresponse::conceptgroup=0;      my $result;
   &Apache::response::setrandomnumber();      %Apache::response::foilgroup=();
   return '';      $Apache::radiobuttonresponse::conceptgroup=0;
       &Apache::response::pushrandomnumber();
       if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
    $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
       }
       return $result;
 }  }
   
 sub storesurvey {  sub storesurvey {
   if ( !defined($ENV{'form.submitted'})) { return ''; }      my ($style) = @_;
   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};      if ( !&Apache::response::submitted() ) { return ''; }
   &Apache::lonxml::debug("Here I am!:$response:");      my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
   if ( $response !~ /[0-9]+/) { return ''; }      &Apache::lonxml::debug("Here I am!:$response:");
   my $id = $Apache::inputtags::response['-1'];      if ( $response !~ /[0-9]+/) { return ''; }
   my @whichfoils=@{ $Apache::response::foilgroup{'names'} };      my $part = $Apache::inputtags::part;
   my %responsehash;      my $id = $Apache::inputtags::response['-1'];
   $responsehash{$whichfoils[$response]}=$response;      my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);      my %responsehash;
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';      $responsehash{$whichfoils[$response]}=$response;
   &Apache::lonxml::debug("submitted a $response<br />\n");      my $responsestr=&Apache::lonnet::hash2str(%responsehash);
   return '';      $Apache::lonhomework::results{"resource.$part.$id.submission"}=
    $responsestr;
       my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
       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::lonxml::debug("submitted a $response<br />\n");
       return '';
 }  }
   
   
 sub grade_response {  sub grade_response {
   my ($max,$answer)=@_;      my ($answer, $whichfoils, $bubbles_per_line)=@_;
   if (!defined($ENV{'form.submitted'})) { return; }  
   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};      if ( !&Apache::response::submitted() ) { return; }
   if ( $response !~ /[0-9]+/) { return; }      my $response;
   my $part=$Apache::inputtags::part;      
   my $id = $Apache::inputtags::response['-1'];      if ($env{'form.submitted'} eq 'scantron') {
   my @whichfoils=&whichfoils($max,$answer);   $response = &Apache::response::getresponse(1,undef,
   my %responsehash;     &bubble_line_count(scalar(@{ $whichfoils}),
   $responsehash{$whichfoils[$response]}=$response;        $bubbles_per_line),
   my $responsestr=&Apache::lonnet::hash2str(%responsehash);     $bubbles_per_line);
   my %previous=&Apache::response::check_for_previous($responsestr,  
      $part,$id);      } else {
   $Apache::lonhomework::results{"resource.$part.$id.submission"}=   $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
     $responsestr;      }
   &Apache::lonxml::debug("submitted a $response<br />\n");  
   my $ad;  
   if ($response == $answer) {      if ( $response !~ /[0-9]+/) { return; }
     $ad='EXACT_ANS';      my $part=$Apache::inputtags::part;
   } else {      my $id = $Apache::inputtags::response['-1'];
     $ad='INCORRECT';      my %responsehash;
   }      $responsehash{$whichfoils->[$response]}=$response;
   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;      my $responsestr=&Apache::lonnet::hash2str(%responsehash);
   &Apache::response::handle_previous(\%previous,$ad);      my %previous=&Apache::response::check_for_previous($responsestr,
          $part,$id);
       $Apache::lonhomework::results{"resource.$part.$id.submission"}=
    $responsestr;
       &Apache::lonxml::debug("submitted a $response<br />\n");
       my $ad;
       if ($response == $answer) {
    $ad='EXACT_ANS';
       } else {
    $ad='INCORRECT';
       }
       $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       &Apache::response::handle_previous(\%previous,$ad);
 }  }
   
 sub end_foilgroup {  sub end_foilgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
   my $result;      my $result;
   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {      my $bubble_lines;
     my $style = $Apache::lonhomework::type;      my $bubbles_per_line;
     if ( $style eq 'survey' ) {      my $answer_count;
       if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {      my $id   = $Apache::inputtags::response['-1'];
  $result=&displayallfoils();      my $part = $Apache::inputtags::part;
       } elsif ( $target eq 'grade' ) {      $bubbles_per_line = 
  $result=&storesurvey();   &Apache::response::get_response_param($Apache::inputtags::part."_$id",
       }        'numbubbles',
     } else {        $default_bubbles_per_line);
       my $name;  
       my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);  
       my $count=0;      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
       # we will add in 1 of the true statements   $target eq 'tex' || $target eq 'analyze') {
       if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }   my $style = $Apache::lonhomework::type;
       my $answer = int(rand ($count));   my $direction = &Apache::lonxml::get_param('direction',$parstack,
       &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");     $safeeval,'-2');
       if ($target eq 'web' || $target eq 'tex') {   if ( (($style eq 'survey') || ($style eq 'surveycred') || 
  $result=&displayfoils($target,$max,$answer);                ($style eq 'anonsurvey') || ($style eq 'anonsurveycred')) 
       } elsif ($target eq 'answer' ) {               && ($target ne 'analyze')) {
  $result=&displayanswers($max,$answer);      if ($target eq 'web' || $target eq 'tex') {
       } elsif ( $target eq 'grade') {   $result=&displayallfoils($direction, $target);
  &grade_response($max,$answer);      } elsif ( $target eq 'answer' ) {
       }   $result=&displayallanswers();
       } elsif ( $target eq 'grade' ) {
    $result=&storesurvey($style);
       }
       $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
   
    } else {
   
       my $name;
       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
    '-2');
       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
          $safeeval,'-2');
       my ($answer, @shown) = &whichfoils($max, $randomize);
       $answer_count = scalar(@shown);
   
       if ($target eq 'web' || $target eq 'tex') {
    $result=&displayfoils($target,
         $answer, \@shown,
         $direction,
         $bubbles_per_line);
       } elsif ($target eq 'answer' ) {
    $result=&displayanswers($answer, \@shown, $bubbles_per_line);
       } elsif ( $target eq 'grade') {
    &grade_response($answer, \@shown, $bubbles_per_line);
       }  elsif ( $target eq 'analyze') {
    my $bubble_lines = &bubble_line_count($answer_count, 
         $bubbles_per_line);
    &Apache::response::analyze_store_foilgroup(\@shown,
      ['text','value','location']);
    my $part_id="$part.$id";
    push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
         ('true','false'));
   
       }
    }
    $Apache::lonxml::post_evaluate=0;
       }
       if ($target eq 'web') {
    &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
     [\%Apache::response::foilgroup]);
       }
       &Apache::response::poprandomnumber();
       $bubble_lines = &bubble_line_count($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;  
 }  }
   
 sub getfoilcounts {  sub getfoilcounts {
   my ($parstack,$safeeval)=@_;      my @names;
   my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');      my $truecnt=0;
   my @names;      my $falsecnt=0;
   my $truecnt=0;      my $name;
   my $falsecnt=0;      if ( $Apache::response::foilgroup{'names'} ) {
   my $name;   @names= @{ $Apache::response::foilgroup{'names'} };
   if ( $Apache::response::foilgroup{'names'} ) {  
     @names= @{ $Apache::response::foilgroup{'names'} };  
   }  
   foreach $name (@names) {  
     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {  
       $truecnt++;  
     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {  
       $falsecnt++;  
     }      }
   }      foreach $name (@names) {
   return ($truecnt,$falsecnt,$max);   if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
       $truecnt++;
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
       $falsecnt++;
    }
       }
       return ($truecnt,$falsecnt);
   }
   
   sub format_prior_answer {
       my ($mode,$answer,$other_data) = @_;
       my $foil_data = $other_data->[0];
       my %response = &Apache::lonnet::str2hash($answer);
       my ($name)   = keys(%response);
       return '<span class="LC_prior_radiobutton">'.
    $foil_data->{$name.'.text'}.'</span>';
   
 }  }
   
 sub displayallfoils {  sub displayallfoils {
   my $result;      my ($direction, $target)=@_;
   &Apache::lonxml::debug("survey style display");      my $result;
   my @names = @{ $Apache::response::foilgroup{'names'} };      &Apache::lonxml::debug("survey style display");
   my $temp=0;      my @names;
   my $id=$Apache::inputtags::response['-1'];      if ( $Apache::response::foilgroup{'names'} ) {
   my $part=$Apache::inputtags::part;   @names= @{ $Apache::response::foilgroup{'names'} };
   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};      }
   my %lastresponse=&Apache::lonnet::str2hash($lastresponse);  
   &Apache::lonhomework::showhash(%lastresponse);      my $temp=0;
   foreach my $name (@names) {      my $i   =0;
     if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {      my $id=$Apache::inputtags::response['-1'];
       $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";      my $part=$Apache::inputtags::part;
       if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }      my $lastresponse;
       $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";      unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
       $temp++;          $lastresponse = 
       $Apache::lonhomework::history{"resource.$part.$id.submission"};
     }      }
   }      if ($direction eq 'horizontal') { $result.='<table><tr>'; }
   return $result;      my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
       if (&Apache::response::show_answer() ) {
    foreach my $name (@names) {
       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
    if (($direction eq 'horizontal') && ($target ne 'tex')) {
       $result.="<td>";
    } else {
       if ($target eq 'tex') {
    $result .= '\item \vskip -2mm ';
       } else {
    $result.="<br />";
       }
    }
    if (defined($lastresponse{$name})) {
       if ($target eq 'tex') {
    $result .= '}';
       } else {
    $result.='<b>';
       }
    }
    $result .= $Apache::response::foilgroup{$name.'.text'};
    if (defined($lastresponse{$name}) && ($target ne 'tex')) {
       $result.='</b>';
    }
    if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
       }
    }
       } else {
    foreach my $name (@names) {
       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
    if ($direction eq 'horizontal') {
       $result.="<td>";
    } else {
       if ($target eq 'tex') {
           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 .= '\item \vskip -2mm ';
                           }
                       } else {
    $result.="<br />";
       }
    }
    if ($target eq 'tex') {
       if($env{'form.pdfFormFields'} ne 'yes' or $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
                           $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
                       }
       $i++;
    } else {
       $result .= '<label>';
       $result.="<input
                          onchange=\"javascript:setSubmittedPart('$part');\"
                          type=\"radio\"
                          name=\"HWVAL_$Apache::inputtags::response['-1']\"
                          value=\"$temp\"";
       if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
       $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
    '</label>';
    }
    $temp++;
    if ($target ne 'tex') {
       if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
    } else {
       $result.='\vskip 0 mm ';
    }
       }
    }
       }
       
       if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
       return $result;
 }  }
   
 sub whichfoils {  
   my ($max,$answer)=@_;  
   
   my @truelist;  sub whichfoils {
   my @falselist;      my ($max,$randomize)=@_;
   
   my @names;      my @truelist;
   if ( $Apache::response::foilgroup{'names'} ) {      my @falselist;
     @names= @{ $Apache::response::foilgroup{'names'} };      my @whichfalse =();
   }      my ($truecnt,$falsecnt) = &getfoilcounts();
   foreach my $name (@names) {      my $count=0;
     #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";      # we will add in 1 of the true statements
     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {      if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
       push (@truelist,$name);      my $answer=int(&Math::Random::random_uniform() * ($count));
     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {      &Apache::lonxml::debug("Count is $count, $answer is $answer");
       push (@falselist,$name);      my @names;
     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {      if ( $Apache::response::foilgroup{'names'} ) {
    @names= @{ $Apache::response::foilgroup{'names'} };
       }
       if (&Apache::response::showallfoils()) {
    @whichfalse=@names;
       } elsif ($randomize eq 'no') {
    &Apache::lonxml::debug("No randomization");
    my $havetrue=0;
    foreach my $name (@names) {
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
    if (!$havetrue ) {
       push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
    }
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
    push (@whichfalse,$name);
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
       } else {
    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
       }
    }
    if ((!$havetrue) && 
               ($Apache::lonhomework::type ne 'survey') && 
               ($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 {
       &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");   my $current=0;
    &Apache::lonhomework::showhash(%Apache::response::foilgroup);
    my (%top,%bottom);
    #first find out where everyone wants to be
    foreach my $name (@names) {
       $current++;
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
    push (@truelist,$name);
    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
       $top{$name}=$current;
    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
       $bottom{$name}=$current;
    }
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
    push (@falselist,$name);
    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
       $top{$name}=$current;
    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
       $bottom{$name}=$current;
    }
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
       } else {
    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
       }
    }
    #pick a true statement
    my $notrue=0;
    if (scalar(@truelist) == 0) { $notrue=1; }
    my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
    &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
    my (@toplist, @bottomlist);
    my $topcount=0;
    my $bottomcount=0;
    # assign everyone to either toplist/bottomlist or whichfalse
    # which false is randomized, toplist bottomlist are in order
    while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
       &Apache::lonxml::debug("Have $#whichfalse max is $max");
       my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
       &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
       $afalse=splice(@falselist,$afalse,1);
       &Apache::lonxml::debug("Picked $afalse");
       &Apache::lonhomework::showhash(('names'=>\@names));
       &Apache::lonhomework::showhash(%top);
       if ($top{$afalse}) {
    $toplist[$top{$afalse}]=$afalse;
    $topcount++;
       } elsif ($bottom{$afalse}) {
    $bottomlist[$bottom{$afalse}]=$afalse;
    $bottomcount++;
       } else {
    push (@whichfalse,$afalse);
       }
    }
    &Apache::lonxml::debug("Answer wants $answer");
    my $truename=$truelist[$whichtrue];
    my $dosplice=1;
    if (($notrue) && 
               ($Apache::lonhomework::type ne 'survey') &&
               ($Apache::lonhomework::type ne 'surveycred') &&
               ($Apache::lonhomework::type ne 'anonsurvey') &&
               ($Apache::lonhomework::type ne 'anonsurveycred')) {
       $dosplice=0;
       &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
    }
    #insert the true statement, keeping track of where it wants to be
    if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
       $toplist[$top{$truename}]=$truename;
       $answer=-1;
       foreach my $top (reverse(@toplist)) {
    if ($top) { $answer++;}
    if ($top eq $truename) { last; }
       }
       $dosplice=0;
    } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
       $bottomlist[$bottom{$truename}]=$truename;
       $answer=-1;
       foreach my $bot (@bottomlist) {
    if ($bot) { $answer++;}
    if ($bot eq $truename) { last; }
       }
       $answer+=$topcount+$#whichfalse+1;
       $dosplice=0;
    } else {
       if ($topcount>0 || $bottomcount>0) {
    $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
       + $topcount;
       }
    }
    &Apache::lonxml::debug("Answer now wants $answer");
    #add the top items to the top, bottom items to the bottom
    for (my $i=0;$i<=$#toplist;$i++) {
       if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
    }
    for (my $i=0;$i<=$#bottomlist;$i++) {
       if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
    }
    #if the true statement is randomized insert it into the list
    if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
     }      }
   }      &Apache::lonxml::debug("Answer is $answer");
   my $whichtrue = int(rand($#truelist+1));      return ($answer,@whichfalse);
   &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");  
   my @whichfalse =();  
   while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {  
     &Apache::lonxml::debug("Have $#whichfalse max is $max");  
     my $afalse=int(rand($#falselist+1));  
     &Apache::lonxml::debug("From $#falselist elms, picking $afalse");  
     $afalse=splice(@falselist,$afalse,1);  
     &Apache::lonxml::debug("Picked $afalse");  
     push (@whichfalse,$afalse);  
   }  
   splice(@whichfalse,$answer,0,$truelist[$whichtrue]);  
   &Apache::lonxml::debug("the true statement is $answer");  
   return @whichfalse;  
 }  }
   
 sub displayfoils {  sub displayfoils {
   my ($target,$max,$answer)=@_;      my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
   my $result;      my $result;
   
   my @whichfoils=&whichfoils($max,$answer);  
   if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {  
     foreach my $name (@whichfoils) {  
       if ($target ne 'tex') {  
   $result.="<br />";  
       }  
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {   
  $result.='Correct';  
       } else {  
  $result.='Incorrect';  
       }  
       $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";  
     }  
   } else {  
     my $temp=0;  
     my $id=$Apache::inputtags::response['-1'];  
     my $part=$Apache::inputtags::part;      my $part=$Apache::inputtags::part;
     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};      my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);      if ( ($target ne 'tex') &&
     foreach my $name (@whichfoils) {   &Apache::response::show_answer() ) {
       if ($target ne 'tex') {   if ($direction eq 'horizontal') {
   $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";      if ($target ne 'tex') {
   if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }   $result.='<table><tr>';
   $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";      }
       } else {   }
   $result .= $Apache::response::foilgroup{$name.'.text'};   foreach my $name (@{ $whichfoils }) {
       }      if ($direction eq 'horizontal') {
       $temp++;   if ($target ne 'tex') { $result.='<td>'; }
     }      }
   }      if ($target ne 'tex') {
   if ($target ne 'tex') { $result.="<br />"; }   $result.="<br />";
   return $result;      } else {
    $result.='\item \vskip -2 mm  ';
       }
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
    if ($target ne 'tex') {
                       $result.=&mt('Correct:').'<b>';
                   } else {
                       $result.=&mt('Correct:').' \textbf{';
                   }
       } else {
    $result.=&mt('Incorrect:');
       }
       if ($target eq 'web') { $result.="<label>"; }
       $result.=$Apache::response::foilgroup{$name.'.text'};
       if ($target eq 'web') { $result.="</label>"; }
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
    if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
       }
       if ($direction eq 'horizontal') {
    if ($target ne 'tex') { $result.='</td>'; }
       }
    }
    if ($direction eq 'horizontal') {
       if ($target ne 'tex') {
    $result.='</tr></table>';
       }
    }
       } else {
    my @alphabet = ('A'..'Z');
    my $i = 0;
    my $bubble_number = 0;
    my $line = 0;
    my $temp=0;  
    my $id=$Apache::inputtags::response['-1'];
    my $part=$Apache::inputtags::part;
    my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
    my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
    if ($target ne 'tex' && $direction eq 'horizontal') {
       $result.="<table><tr>";
    }
    foreach my $name (@{ $whichfoils }) {
       if ($target ne 'tex') {
    if ($direction eq 'horizontal') {
       $result.="<td>"; 
    } else { 
       $result.="<br />";
    } 
       }
       if ($target ne 'tex') { 
                   $result.= '<label>';
    $result.=
       "<input type=\"radio\"
                               onchange=\"javascript:setSubmittedPart('$part');\"
                               name=\"HWVAL_$Apache::inputtags::response['-1']\"
                               value=\"$temp\"";
    if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
    $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
       } else {
    if ($Apache::lonhomework::type eq 'exam') {
       if($bubble_number >= $bubbles_per_line) {
    $line++;
    $i = 0;
    $bubble_number = 0;
    $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
       }
       $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
       $i++;
       $bubble_number++;
    } else {
                       if($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') {
    $result.="</td>"; 
       }
       $temp++;
    }
    if ($target ne 'tex' && $direction eq 'horizontal') {
       $result.="</tr></table>";
    }
       }
       if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
       return $result;
   }
   
   sub displayallanswers {
       my @names;
       if ( $Apache::response::foilgroup{'names'} ) {
    @names= @{ $Apache::response::foilgroup{'names'} };
       }
       my $result=&Apache::response::answer_header('radiobuttonresponse');
       foreach my $name (@names) {
    $result.=&Apache::response::answer_part('radiobuttonresponse',
    $Apache::response::foilgroup{$name.'.value'});
       }
       $result.=&Apache::response::answer_footer('radiobuttonresponse');
       return $result;
 }  }
   
 sub displayanswers {  sub displayanswers {
   my ($max,$answer)=@_;      my ($answer, $whichopt, $bubbles_per_line)=@_;
   my @whichopt = &whichfoils($max,$answer);      my $result;
   my $result=&Apache::response::answer_header('radiobuttonresponse');  
   foreach my $name (@whichopt) {      if ($Apache::lonhomework::type eq 'exam') {
     $result.=&Apache::response::answer_part('radiobuttonresponse',   my $line = int($answer/$bubbles_per_line);
      $Apache::response::foilgroup{$name.'.value'})   my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
   }   $result .= &Apache::response::answer_header('radiobuttonresponse',
   $result.=&Apache::response::answer_footer('radiobuttonresponse');      $line);
   return $result;   $result .= &Apache::response::answer_part('radiobuttonresponse',
     $correct);
       } else {
    $result .= &Apache::response::answer_header('radiobuttonresponse');
       }
       foreach my $name (@{ $whichopt }) {
    $result.=&Apache::response::answer_part('radiobuttonresponse',
    $Apache::response::foilgroup{$name.'.value'});
       }
       $result.=&Apache::response::answer_footer('radiobuttonresponse');
       return $result;
 }  }
   
 sub start_conceptgroup {  sub start_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::radiobuttonresponse::conceptgroup=1;      $Apache::radiobuttonresponse::conceptgroup=1;
   %Apache::response::conceptgroup={};      %Apache::response::conceptgroup=();
   my $result;      my $result;
   if ($target eq 'edit') {      if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').   $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
  &Apache::edit::end_row().&Apache::edit::start_spanning_row();      &Apache::edit::end_row().&Apache::edit::start_spanning_row();
   } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,   my $constructtag=&Apache::edit::get_new_args($token,$parstack,
  $safeeval,'concept');       $safeeval,'concept');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }   if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   }      }
   return $result;      return $result;
 }  }
   
 sub end_conceptgroup {  sub end_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::radiobuttonresponse::conceptgroup=0;      $Apache::radiobuttonresponse::conceptgroup=0;
   my $result;      my $result;
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  ||
     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {   $target eq 'tex' || $target eq 'analyze') {
       my @names = @{ $Apache::response::conceptgroup{'names'} };   &Apache::response::pick_foil_for_concept($target,
       my $pick=int(rand($#names+1));   ['value','text','location'],
       my $name=$names[$pick];   \%Apache::hint::radiobutton,
       push @{ $Apache::response::foilgroup{'names'} }, $name;   $parstack,$safeeval);
       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};      } elsif ($target eq 'edit') {
       $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};   $result=&Apache::edit::end_table();
       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);      }
       $Apache::response::foilgroup{"$name.concept"} = $concept;      return $result;
       &Apache::lonxml::debug("Selecting $name in $concept");  
     }  
   } elsif ($target eq 'edit') {  
     $result=&Apache::edit::end_table();  
   }  
   return $result;  
 }  }
   
 sub insert_conceptgroup {  sub insert_conceptgroup {
   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";      my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
   return $result;      return $result;
 }  }
   
 sub start_foil {  sub start_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my $result='';
   if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
     &Apache::lonxml::startredirection;   &Apache::lonxml::startredirection;
     if ($target eq 'tex') {   if ($target eq 'analyze') {
  $result .= '\item ';      &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
     }   }
   } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
     $result=&Apache::edit::tag_start($target,$token);   $result=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Name:','name',$token);   $result.=&Apache::edit::text_arg('Name:','name',$token);
     $result.=&Apache::edit::select_arg('Correct Option:','value',   $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
        ['unused','true','false'],$token);     ['unused','true','false'],
     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();     $token);
   } elsif ($target eq 'modified') {   my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   $safeeval,'-3');
   'value','name');   if ($randomize ne 'no') {
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      $result.=&Apache::edit::select_arg('Location:','location',
   }          ['random','top','bottom'],$token);
   return $result;   }
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'value','name',
        'location');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       } 
       return $result;
 }  }
   
 sub end_foil {  sub end_foil {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $text='';      my $text='';
   if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }      if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {   $text=&Apache::lonxml::endredirection;
     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);      }
     if ($value ne 'unused') {      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);   || $target eq 'tex' || $target eq 'analyze') {
       if (!$name) { $name=$Apache::lonxml::curdepth; }   my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
       if ( $Apache::radiobuttonresponse::conceptgroup ) {   if ($value ne 'unused') {
  push @{ $Apache::response::conceptgroup{'names'} }, $name;      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  $Apache::response::conceptgroup{"$name.value"} = $value;      if ($name eq "") {
  $Apache::response::conceptgroup{"$name.text"} = $text;   &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
       } else {   $name=$Apache::lonxml::curdepth;
  push @{ $Apache::response::foilgroup{'names'} }, $name;      }
  $Apache::response::foilgroup{"$name.value"} = $value;      if (defined($Apache::response::foilnames{$name})) {
  $Apache::response::foilgroup{"$name.text"} = $text;   &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
       }      }
       $Apache::response::foilnames{$name}++;
       my $location =&Apache::lonxml::get_param('location',$parstack,
        $safeeval);
       if ( $Apache::radiobuttonresponse::conceptgroup
    && !&Apache::response::showallfoils() ) {
    push @{ $Apache::response::conceptgroup{'names'} }, $name;
    $Apache::response::conceptgroup{"$name.value"} = $value;
    $Apache::response::conceptgroup{"$name.text"} = $text;
    $Apache::response::conceptgroup{"$name.location"} = $location;
       } else {
    push @{ $Apache::response::foilgroup{'names'} }, $name;
    $Apache::response::foilgroup{"$name.value"} = $value;
    $Apache::response::foilgroup{"$name.text"} = $text;
    $Apache::response::foilgroup{"$name.location"} = $location;
       }
    }
     }      }
   }      return '';
   return '';  
 }  }
   
 sub insert_foil {  sub insert_foil {
   return '      return '
 <foil name="" value="unused">  <foil name="" value="unused">
 <startouttext />  <startouttext />
 <endouttext />  <endouttext />
Line 380  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.1.39  
changed lines
  Added in v.1.146

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