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Diff for /loncom/homework/optionresponse.pm between versions 1.21 and 1.173.2.2

version 1.21, 2001/08/06 19:00:13 version 1.173.2.2, 2011/11/08 19:38:05
Line 1 Line 1
 # The LON-CAPA option response handler  # LearningOnline Network with CAPA
   # option list style responses
 #  #
 # Option list style responses  # $Id$
 #  #
 # YEAR=2001  # Copyright Michigan State University Board of Trustees
 # 1/19,2/7,2/19,2/21,2/22,3/1,5/4,5/21,5/31,6/1,6/2,6/5,6/11 Guy Albertelli  #
 # 6/12,6/16,6/26,6/27,7/18 Guy Albertelli  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 # 8/6 Scott Harrison  #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   
   
   
   
   
 package Apache::optionresponse;  package Apache::optionresponse;
 use strict;  use strict;
 use Apache::response;  use Apache::response();
   use Apache::lonlocal;
   use Apache::lonnet;
   
 # ======================================================================= BEGIN  BEGIN {
 sub BEGIN {  
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));    &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
 }  }
   
 # ================================ Start option response (return scalar string)  
 sub start_optionresponse {  sub start_optionresponse {
     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 option response use these
     &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil',    &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
  'conceptgroup'));    push (@Apache::lonxml::namespace,'optionresponse');
     push (@Apache::lonxml::namespace,'optionresponse');    my $id = &Apache::response::start_response($parstack,$safeeval);
     my $id = &Apache::response::start_response($parstack,$safeeval);    %Apache::hint::option=();
     if ($target eq 'edit') {    undef(%Apache::response::foilnames);
  $result .= &Apache::edit::start_table($token).    if ($target eq 'edit') {
            "<tr><td>Multiple Option Response Question</td><td>Delete:".      $result.=&Apache::edit::start_table($token)
    &Apache::edit::deletelist($target,$token).         .'<tr><td><span class="LC_nobreak">'.&mt('Multiple Option Response Question').'</span> '
    "</td><td>&nbsp;</td></tr><tr><td colspan=\"3\">\n";         .&Apache::loncommon::help_open_topic('Option_Response_Problems')."</td>"
  $result .= &Apache::edit::text_arg('Max Number Of Foils:','max',         .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
    $token,'4')."</td></tr>";         .&Apache::edit::deletelist($target,$token)
  $result .= "<tr><td colspan=\"3\">\n";         .'</span></td>'
     }         ."<td>&nbsp;"
     if ($target eq 'modified') {         .&Apache::edit::end_row()
  my $constructtag = &Apache::edit::get_new_args($token,$parstack,         .&Apache::edit::start_spanning_row()
        $safeeval,'max');         ."\n";
  if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
     }       $token,'4').
     return $result;          &Apache::edit::select_arg('Randomize Foil Order:','randomize',
     ['yes','no'],$token).
           &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
     [['horizontal','Normal list'],
      ['vertical','Listed in a vertical column']],$token).
           &Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,
    $safeeval,'max','randomize',
    'TeXlayout');
       if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     } elsif ($target eq 'meta') {
       $result=&Apache::response::meta_package_write('optionresponse');
     } elsif ($target eq 'analyze') {
       my $part_id="$Apache::inputtags::part.$id";
       $Apache::lonhomework::analyze{"$part_id.type"} = 'optionresponse';
       push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
       push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
   
     }
     return $result;
 }  }
   
 # ================================== End option response (return scalar string)  
 sub end_optionresponse {  sub end_optionresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     &Apache::response::end_response;    &Apache::response::end_response;
     pop @Apache::lonxml::namespace;    pop @Apache::lonxml::namespace;
     my $result;    &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
     if ($target eq 'edit') { $result = &Apache::edit::end_table(); }    my $result;
     return $result;    if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
     undef(%Apache::response::foilnames);
     return $result;
 }  }
   
 # ===================================== Start foil group (return scalar string)  %Apache::response::foilgroup=();
 %Apache::response::foilgroup = {};  
 sub start_foilgroup {  sub start_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result = '';  
     %Apache::response::foilgroup = {};    my $result='';
     $Apache::optionresponse::conceptgroup = 0;    %Apache::response::foilgroup=();
     &Apache::response::setrandomnumber();    $Apache::optionresponse::conceptgroup=0;
     if ($target eq 'edit') {    &Apache::response::pushrandomnumber(undef,$target);
  my $optionlist = "<option></option>\n";    if ($target eq 'edit') {
  my $option;      my $optionlist="<option></option>\n";
  my @opt;      my $option;
  eval '@opt ='.      my @opt;
     &Apache::lonxml::get_param('options',$parstack,$safeeval);      eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
  my $count = 1;      my $count=1;
  foreach $option (@opt) {      foreach $option (@opt) {
     $optionlist .= "<option value=\"$count\">$option</option>\n";        $optionlist.="<option value=\"$count\">$option</option>\n";
     $count++;        $count++;
  }      }
  my $insertlist = &Apache::edit::insertlist($target,$token);      my $insertlist=&Apache::edit::insertlist($target,$token);
  $result .= &Apache::edit::start_table($token);      $result.=&Apache::edit::start_table($token);
  $result .= (<<ENDTABLE);      $result.= (<<ENDTABLE);
      <tr><td>Select Options</td>        <tr><td>Select Options</td>
         <td>          <td>
   Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />    Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
         </td>          </td>
         <td>Delete an Option:          <td>Delete an Option:
   <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>    <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
         </td>          </td>
      </tr>  
      <tr><td colspan="3">$insertlist<br />  
 ENDTABLE  ENDTABLE
       $result.= '<td>'.&Apache::edit::checked_arg('Print options:','texoptions',
    [ ['nochoice','Don\'t show option list'] ]
    ,$token).'</td>';
       $result.= '<td><label>'.&mt('Two-option checkboxes for:').
                 '<select name="checkboxvalue_'.$Apache::lonxml::curdepth.'">';
       foreach $option (('',@opt)) {
          $result.='<option value="'.$option.'"';
          if ($option eq &Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval)) {
             $result.=' selected="selected"';
          }
          $result.='>'.$option.'</option>';
       }
       $result.='</select></label>';
       $result.=&Apache::edit::checked_arg('Checkbox options:','checkboxoptions',
                                            [ ['nochoice','Don\'t show option list'] ]
                                            ,$token).'</td>';
       $result.= &Apache::edit::end_row();
       $result.= &Apache::edit::start_spanning_row();
       $result.= $insertlist.'<br />';
     }
     if ($target eq 'modified') {
       my @options;
       my $optchanged=0;
       eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
       if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
         my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
         &Apache::lonxml::debug("Deleting :$delopt:");
         splice(@options,$delopt-1,1);
         $optchanged=1;
       }
       if ($env{"form.$Apache::lonxml::curdepth.options"} ne '') {
         my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
         push(@options,$newopt);
         $optchanged=1;
       }
       my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
    'texoptions','checkboxvalue','checkboxoptions');
       if ($optchanged || $rebuildtag ) {
         $result = "<foilgroup options=\"(";
         foreach my $option (@options) {
    $option=~s/\'/\\\'/g;
    &Apache::lonxml::debug("adding option :$option:");
    $result .="'".$option."',";
         }
         chop $result;
         $result.=')" ';
         $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
         $result .= 'checkboxoptions="'.$token->[2]{'checkboxoptions'}.'" ';
         $result .= 'checkboxvalue="'.$token->[2]{'checkboxvalue'}.'"';
         $result .= '>';
       } # else nothing changed so just use the default mechanism
     }
     if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       if($env{'form.pdfFormFields'} ne 'yes') {
         $result .= ' \begin{itemize} ';
       } else {
         $result .= "\\\\";
     }      }
     if ($target eq 'modified') {    }
  my @options;    return $result;
  my $optchanged=0;  }
  eval '@options ='.  
     &Apache::lonxml::get_param('options',$parstack,$safeeval);  sub end_foilgroup {
  if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};    
     &Apache::lonxml::debug("Deleting :$delopt:");    my $result;
     splice(@options,$delopt-1,1);    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
     $optchanged = 1;        $target eq 'tex' || $target eq 'analyze') {
  }      my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
  if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {      my $name;
     my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};      my @opt;
     if ($options[0]) {      eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
  push(@options,$newopt);      &Apache::lonxml::debug("options:".join(':',@opt));
   
       my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
        -2,0);
       my $checkboxvalue=&Apache::lonxml::get_param('checkboxvalue',$parstack,$safeeval);
       my $checkboxchoices=(&Apache::lonxml::get_param('checkboxoptions',$parstack,$safeeval) ne 'nochoice');
       if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
       &Apache::lonxml::debug("Options are $#opt");
       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
          $safeeval,'-2');
       if ($target eq 'web' || $target eq 'tex') {
         $result.=&displayfoils($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,$tex_option_switch,@opt);
         $Apache::lonxml::post_evaluate=0;
       } elsif ( $target eq 'answer') {
         $result.=&displayanswers($max,$randomize,@opt);
         
       } elsif ( $target eq 'analyze') {
    my @shown = &whichfoils($max,$randomize);
    &Apache::response::analyze_store_foilgroup(\@shown,
     ['text','value','location']);
    my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
    push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
       } elsif ( $target eq 'grade') {
         if ( &Apache::response::submitted()) {
    my @whichopt = &whichfoils($max,$randomize);
    my $temp=1;my $name;
    my %responsehash;
    my %grade;
    my $right=0;
    my $wrong=0;
    my $ignored=0;
    foreach $name (@whichopt) {
     my $response=&Apache::response::getresponse($temp);
     if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
         $response = $opt[$response];
     }
     if ( $response =~ /[^\s]/) {
       $responsehash{$name}=$response;
       my $value=$Apache::response::foilgroup{$name.'.value'};
       &Apache::lonxml::debug("submitted a $response for $value<br />\n");
       if ($value eq $response) {
    $grade{$name}='1'; $right++;
     } else {      } else {
  $options[0] = $newopt;   $grade{$name}='0'; $wrong++;
     }      }
     $optchanged = 1;    } else {
       $ignored++;
     }
     $temp++;
  }   }
  if ($optchanged) {   my $part=$Apache::inputtags::part;
     $result = "<foilgroup options=\"(";   my $id = $Apache::inputtags::response['-1'];
     foreach my $option (@options) {   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
  $option =~ s/\'/\\\'/;   my $gradestr   =&Apache::lonnet::hash2str(%grade);
  &Apache::lonxml::debug("adding option :$option:");   my %previous=&Apache::response::check_for_previous($responsestr,
  $result .= "'".$option."',";     $part,$id);
    &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
    $Apache::lonhomework::results{"resource.$part.$id.submission"}=
       $responsestr;
    $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
           if ($Apache::lonhomework::type eq 'randomizetry') {
               $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichopt);
           }
    if (($Apache::lonhomework::type eq 'survey') ||
               ($Apache::lonhomework::type eq 'surveycred') ||
               ($Apache::lonhomework::type eq 'anonsurvey') ||
               ($Apache::lonhomework::type eq 'anonsurveycred')) {
       if ($ignored == 0) {
                   my $ad;
                   if ($Apache::lonhomework::type eq 'anonsurveycred') {
                       $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
                   } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
                       $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
                   } elsif ($Apache::lonhomework::type 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,$ad);
       } elsif ($wrong==0 && $right==0) {
       } else {
    my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
    &Apache::response::handle_previous(\%previous,$ad);
     }      }
     chop $result;   } elsif (!$Apache::lonhomework::scantronmode) {
     $result .= ')">';      my $ad;
  } # else nothing changed so just use the default mechanism      if ($wrong==0 && $ignored==0) {
     }   $ad='EXACT_ANS';
     return $result;      } elsif ($wrong==0 && $right==0) {
 }   #nothing submitted
       } else {
 # ======================================= End foil group (return scalar string)   if ($ignored==0) {
 sub end_foilgroup {      $ad='INCORRECT';
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;  
     my $result;  
     if ($target eq 'grade' || $target eq 'web') {  
  my $name;  
  my ($count,$max) = &getfoilcounts($parstack,$safeeval);  
  if ($count>$max) { $count = $max }   
  &Apache::lonxml::debug("Count is $count from $max");  
  my @opt;  
  eval '@opt ='.  
     &Apache::lonxml::get_param('options',$parstack,$safeeval);  
  &Apache::lonxml::debug("Options are $#opt");  
  if ($target eq 'web') {  
     $result=&displayfoils($count,@opt);  
  } elsif ( $target eq 'grade') {  
     if ( defined $ENV{'form.submitted'}) {  
  my @whichopt = &whichfoils($count);  
  my $temp=1;my $name;  
  my $allresponse;  
  my $right=0;  
  my $wrong=0;  
  my $ignored=0;  
  foreach $name (@whichopt) {  
     my $response = $ENV{'form.HWVAL_'.  
  $Apache::inputtags::response['-1'].  
  ":$temp"};  
     $allresponse .= "$response:";  
     if ( $response =~ /[^\s]/) {  
  &Apache::lonxml::debug("submitted a $response".  
        "<br />\n");  
  my $value = $Apache::response::foilgroup{$name.  
      '.value'};  
  if ($value eq $response) {$right++;} else {$wrong++;}  
     } else {  
  $ignored++;  
     }  
     $temp++;  
  }  
  my $id = $Apache::inputtags::response['-1'];  
  $Apache::lonhomework::results{"resource.".  
              $Apache::inputtags::part.".$id.submission"} = $allresponse;  
  &Apache::lonxml::debug("Got $right right and $wrong wrong, ".  
        "and $ignored were ignored");  
  if ($wrong==0 && $ignored==0) {  
     $Apache::lonhomework::results{"resource.".  
    $Apache::inputtags::part.".$id.awarddetail"}  
                                                   = 'EXACT_ANS';  
  } else {   } else {
     $Apache::lonhomework::results{"resource.".      $ad='MISSING_ANSWER';
    $Apache::inputtags::part.".$id.awarddetail"}   }
                                                  = 'INCORRECT';      }
       $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       &Apache::response::handle_previous(\%previous,$ad);
    } else {
       my $ad;
       if ($wrong==0 && $right==0) {
    #nothing submitted only assign a score if we 
    #need to override a previous grade
    if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
       $ad='ASSIGNED_SCORE';
  }   }
       } else {
    $ad='ASSIGNED_SCORE';
     }      }
       $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
    $right/(scalar(@whichopt));
       $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
    scalar(@whichopt);
  }   }
         }
     }      }
     if ($target eq 'edit') {      my $part_id     = $Apache::inputtags::part;
  $result .= &Apache::edit::end_table();      my $response_id = $Apache::inputtags::response[-1];
       &Apache::lonxml::increment_counter(&getfoilcounts($max),
          "$part_id.$response_id");
       if ($target eq 'analyze') {
    &Apache::lonhomework::set_bubble_lines();
       }
   
     } elsif ($target eq 'edit') {
       $result.=&Apache::edit::end_table();
     }
     if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       if($env{'form.pdfFormFields'} ne 'yes') {
         $result .= '\end{itemize}'; 
       } else {
         $result .= "\\\\";
     }      }
     return $result;    }
     &Apache::response::poprandomnumber();
     return $result;
 }  }
   
 # ==================================== Get foil counts (return 2 element array)  
 sub getfoilcounts {  sub getfoilcounts {
     my ($parstack,$safeeval) = @_;    my ($max)=@_;
     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');    # +1 since instructors will count from 1
     # +1 since instructors will count from 1    my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;    if (&Apache::response::showallfoils()) { $max=$count; }
     return ($count,$max);    if ($count>$max) { $count=$max } 
     &Apache::lonxml::debug("Count is $count from $max");
     return $count;
 }  }
   
 # =============================================== Which foils (return an array)  
 sub whichfoils {  sub whichfoils {
     my ($max)=@_;      my ($max,$randomize)=@_;
     my @names = @{ $Apache::response::foilgroup{'names'} };      return &Apache::response::whichorder($max,$randomize,
     my @whichopt =();   &Apache::response::showallfoils(),
     while ((($#whichopt+1) < $max) && ($#names > -1)) {   \%Apache::response::foilgroup);
  &Apache::lonxml::debug("Have $#whichopt max is $max");  
  my $aopt=int(rand($#names+1));  
  &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking ".  
        $aopt);  
  $aopt=splice(@names,$aopt,1);  
  &Apache::lonxml::debug("Picked $aopt");  
  push (@whichopt,$aopt);  
     }  
     return @whichopt;  
 }  }
   
 # ======================================== Display foils (return scalar string)  sub displayanswers {
 sub displayfoils {      my ($max,$randomize,@opt)=@_;
     my ($max,@opt) = @_;      if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
     my @names = @{ $Apache::response::foilgroup{'names'} };      my @names = @{ $Apache::response::foilgroup{'names'} };
     my @truelist;      my @whichopt = &whichfoils($max,$randomize);
     my @falselist;  
     my $result;      my $result;
     my $name;      if ($Apache::lonhomework::type eq 'exam') {
     my @whichopt = &whichfoils($max);   my $i = 0;
     my $optionlist = "<option></option>\n";   my %opt = map { ($_,$i++) } @opt;
     my $option;  
     foreach $option (@opt) {   $i = 0;
  $optionlist .= "<option>$option</option>\n";   my @alphabet = ('A'..'Z');
     }   foreach my $name (@whichopt) {
     if ($Apache::lonhomework::history{"resource.".      $result.=&Apache::response::answer_header('optionresponse',$i++);
       $Apache::inputtags::part.      $result.=&Apache::response::answer_part('optionresponse',
       ".solved"} =~ /^correct/ ) {      $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
  foreach $name (@whichopt) {      $result.=&Apache::response::answer_part('optionresponse',
     $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.      $Apache::response::foilgroup{$name.'.value'});
  ":".$Apache::response::foilgroup{$name.'.text'}."\n";      $result.=&Apache::response::answer_footer('optionresponse');
  }   }
     } else {      } else {
  my $temp=1;   $result=&Apache::response::answer_header('optionresponse');
  foreach $name (@whichopt) {   foreach my $name (@whichopt) {
     $result .= "<br /><select ".      $result.=&Apache::response::answer_part('optionresponse',
  "name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">".      $Apache::response::foilgroup{$name.'.value'});
  $optionlist.  
  "</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";  
     $temp++;  
  }   }
    $result.=&Apache::response::answer_footer('optionresponse');
     }      }
     return $result."<br />";      return $result;
 }  }
   
 # ================================== Start concept group (return scalar string)  sub check_box_opt {
 sub start_conceptgroup {      my ($target,$checkboxvalue,@opt)=@_;
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;  # Check if we are in checkbox mode: checkboxvalue specified, on web, only two options.
     $Apache::optionresponse::conceptgroup = 1;  # If so, return "checked" value
     %Apache::response::conceptgroup = {};      if ($#opt!=1) { return ''; }
     my $result;      if ($target ne 'web') { return ''; }
     if ($target eq 'edit') {      return $checkboxvalue;
  $result .= &Apache::edit::tag_start($target,$token,  }
  "Concept Grouped Foils");  
  $result .= &Apache::edit::text_arg('Concept:','concept',$token,'50').  sub check_for_invalid {
            "</td></tr>";      my ($names,$options) = @_;
  $result .= "<tr><td colspan=\"3\">\n";      my %bad_names;
     }      foreach my $name (@{ $names }) {
     if ($target eq 'modified') {   my $value=$Apache::response::foilgroup{$name.'.value'};
         my $constructtag = &Apache::edit::get_new_args($token,$parstack,   my $found=0;
      $safeeval,'concept');   foreach my $option (@{ $options }) {
  if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      if ($value eq $option) { $found=1; }
    }
    if (!$found) { $bad_names{$name}=$value; }
       }
       if (%bad_names) {
    my $error=&mt('The question can not be gotten correct, '.
       'the following foils in the &lt;optionresponse&gt; '.
       'have invalid correct options').' <br /><tt>'.
       join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))).
       "</tt>";
    &Apache::lonxml::error($error);
     }      }
     return $result;  
 }  }
   
 # ==================================== End concept group (return scalar string)  sub displayfoils {
 sub end_conceptgroup {    my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;        $tex_option_switch,@opt)=@_;
     $Apache::optionresponse::conceptgroup = 0;    if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
     my $result = '';    my @names = @{ $Apache::response::foilgroup{'names'} };
     if ($target eq 'web' || $target eq 'grade') {    my @truelist;
  #if not there aren't any foils to display and thus no question    my @falselist;
  if (defined(@{ $Apache::response::conceptgroup{'names'} })) {    my $result;  
     my @names = @{ $Apache::response::conceptgroup{'names'} };    my $name;
     my $pick = int rand $#names+1;    my $displayoptionintex=1;
     my $name = $names[$pick];    my @alphabet = ('A'..'Z');
     push @{ $Apache::response::foilgroup{'names'} }, $name;    my @whichopt = &whichfoils($max,$randomize);
     $Apache::response::foilgroup{"$name.value"} =    unless (($target eq 'tex') && ($tex_option_switch eq 'nochoice')) {
  $Apache::response::conceptgroup{"$name.value"};        &check_for_invalid(\@whichopt,\@opt);
     $Apache::response::foilgroup{"$name.text"} =    }
  $Apache::response::conceptgroup{"$name.text"};    my $part=$Apache::inputtags::part;
     my $concept =     my $id=$Apache::inputtags::response[-1];
  &Apache::lonxml::get_param('concept',$parstack,$safeeval);    my $break;
     $Apache::response::foilgroup{"$name.concept"} = $concept;    my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     &Apache::lonxml::debug("Selecting $name in $concept");    if ( ($target ne 'tex') &&
          &Apache::response::show_answer() ) {
       my $temp=1;
       foreach $name (@whichopt) {
    my $text=$Apache::response::foilgroup{$name.'.text'};
           my $lastresp;
           unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'}))) {
               $lastresp = $Apache::lonhomework::history{"resource.$part.$id.submission"};
           }
    my %lastresponse=&Apache::lonnet::str2hash($lastresp);
    my $lastopt=$lastresponse{$name};
    if ($text!~/^\s*$/) { $break='<br />'; }
    $result.=$break;
    if ($target eq 'web') {
       my $value=$Apache::response::foilgroup{$name.'.value'};
       if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
    if ($text=~/^\s*$/) {
       $text=$value.$text;
    } else {
       $text='<b>'.$value.':</b> '.$text;
    }
       } else {
                   if (@whichopt > 1) {
                       $text='&#149;'.$text;
                   }
       }
       $result.=$text."\n";
  }   }
         if ($Apache::lonhomework::type eq 'exam') {
     $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
         }
         $temp++;
       }
     } else {
       my $temp=1;
       my %lastresponse;
       my $newvariation;
       if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
           ($Apache::lonhomework::type eq 'randomizetry')) &&
           ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
           if ($env{'form.'.$part.'.rndseed'} ne
               $Apache::lonhomework::history{"resource.$part.rndseed"}) {
               $newvariation = 1;
           }
       }
       unless ($newvariation) {
           %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
       }
       my $internal_counter=$Apache::lonxml::counter;
       my $checkboxopt=&check_box_opt($target,$checkboxvalue,@opt);
       if ($checkboxopt) {
          $result.='<br />'.
                   ($checkboxchoices?&mt('Choices: ').'<b>'.$opt[0].','.$opt[1].'</b>. ':'').
                    &mt('Select all that are <b>[_1]</b>.',$checkboxopt);
       }
       foreach $name (@whichopt) {
         my $text=$Apache::response::foilgroup{$name.'.text'};
         if ($text!~/^\s*$/) {
     if ($target eq 'tex') {
         $break='\vskip 0 mm ';
     } elsif ($target eq 'web') {
         $break='<br />';
     }
         }
         my $lastopt=$lastresponse{$name};
         my $optionlist="<option></option>\n";
   
         if($target eq 'tex' and $env{'form.pdfFormFields'} eq 'yes'
            && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
             my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&optionresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
             $optionlist =  &Apache::lonxml::print_pdf_start_combobox($fieldname);
         }
   
         foreach my $option (@opt) {
     my $escopt=&HTML::Entities::encode($option,'\'"&<>');
             if ($option eq $lastopt) {
                 if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
                     && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                     && $Apache::lonhomework::type ne 'exam') {
                     $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                 } else {
                     $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
                 }
             } else {
                 if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
                     && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                     && $Apache::lonhomework::type ne 'exam') {
                     $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
                 } else {
                     $optionlist.="<option value='".$escopt."'>$option</option>\n";
                 }
             }
         }
         if ($target ne 'tex') {
     if ($Apache::lonhomework::type ne 'exam') {
   # we are on the web, this is not an exam, and the problem can be answered
                 if ($checkboxopt) {
   # generate checkboxes
                     my $fieldname=$Apache::inputtags::response['-1'].':'.$temp;
                     my $altopt=$opt[0];
                     if ($opt[0] eq $checkboxopt) {
                        $altopt=$opt[1];
                     }
                     my $defopt=$lastopt;
                     unless ($defopt) { $defopt=$altopt; }
                     my $escdefopt=&HTML::Entities::encode($defopt,'\'"&<>');
                     my $esccheckboxopt=&HTML::Entities::encode($checkboxopt,'\'"&<>');
                     my $escaltopt=&HTML::Entities::encode($altopt,'\'"&<>');
   # checkboxopt is how the box is labelled
   # altopt is the alternative option
   # lastopt is what the user submitted before
   # defopt is what the field is going to start out with: either previous choice or altopt
   # fieldname is this input field's name after HWVAL_
                     $optionlist='<input type="hidden" name="HWVAL_'.$fieldname.'" value="'.$escdefopt.'" />'.
                     '<input type="checkbox" name="HWCHK_'.$fieldname.'" onclick="javascript:if (this.form.elements[\'HWCHK_'.
                     $fieldname.'\'].checked) { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$esccheckboxopt.'\'; } else { this.form.elements[\'HWVAL_'.$fieldname.'\'].value=\''.$escaltopt.'\'; };setSubmittedPart(\''.$part.'\');"'.($defopt eq $checkboxopt?' checked="checked"':'')." />\n";
                 } else {
   # classic selection list
             $optionlist='<select onchange="javascript:setSubmittedPart(\''.
     $part.'\');" name="HWVAL_'.
     $Apache::inputtags::response['-1'].':'.$temp.'">'.
     $optionlist."</select>\n";
                 }
     } else {
         $optionlist='<u>'.('&nbsp;'x10).'</u>';
     }
     if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
         if ($Apache::lonhomework::type ne 'exam') {
                     if (@whichopt > 1) {  
                         $text='&#149;'.$text;
                     }
         }
     } else {
         if ($Apache::lonhomework::type ne 'exam') {
     $text=$optionlist.$text;
         }
     }
     $result.=$break.$text."\n";
     if ($Apache::lonhomework::type eq 'exam') {
         $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
     }
     $temp++;
         } else {
     my $texoptionlist='';
     if ($displayoptionintex &&
         $Apache::lonhomework::type ne 'exam') {
         $texoptionlist = &optionlist_correction($TeXlayout,@opt);
     }
     if ($text=~/<drawoptionlist\s*\/>/) {
         $text=~s|<drawoptionlist\s*\/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |g;
     }
   
     if ($text=~m/\\item /) {
         if ($Apache::lonhomework::type eq 'exam') {
             $text=~s/\\item/\\vskip 2 mm/;
         } elsif ($env{'form.pdfFormFields'} ne 'yes') {
                     $result.= $texoptionlist.$text;
                 }
             } else {
         if ($Apache::lonhomework::type eq 'exam') {
     $result.= $texoptionlist.'  '.$text;
         } elsif ($env{'form.pdfFormFields'} ne 'yes') {
     if ($text=~/\S/) {
                         $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;
                     } else {
                         $result.= $texoptionlist;
                     }
         }
     }
     if ($Apache::lonhomework::type eq 'exam') {
         $result.='\vskip -1 mm\noindent';
                 $result.= '\textbf{'. $internal_counter.'}. \vskip -3mm'.&bubbles(\@alphabet,\@opt).
                    ' \strut ';
         $internal_counter++;
     }
             if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
                 && $Apache::inputtags::status[-1] eq 'CAN_ANSWER'
                 && $Apache::lonhomework::type ne 'exam') {
                 $text =~ s/\\item//m;
                 $result .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut \\\\';
                 $temp++;
             }
     $displayoptionintex=0;
         }
       }
     }
   
     if ($target eq 'web') {
         my $data = [\@whichopt,'submissiongrading'];
         my $questiontype;
         if ($Apache::lonhomework::type eq 'randomizetry') {
             $questiontype = $Apache::lonhomework::type,
         }
         &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer,$data,$questiontype);
     }
   
     if ($target ne 'tex') {
         return $result.$break;
     } else {
         return $result;
     }
   }
   
   
   sub optionlist_correction {
       my ($TeXlayout,@options) = @_;
       my $texoptionlist='\\item [] '.&mt('Choices:').' ';
       if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
       if (scalar(@options) > 0) {
    foreach my $option (@options) {
       $texoptionlist.='{\bf '.
    &Apache::lonxml::latex_special_symbols($option).
    '}';
       if ($TeXlayout eq 'vertical') {
    $texoptionlist.=' \vskip 0 mm ',
       } else {
    $texoptionlist.=', ';
       }
    }
    $texoptionlist=~s/, $//;
    if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
       } else {
    if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
     }      }
     if ($target eq 'edit') {      return $texoptionlist;
  $result = &Apache::edit::end_table();  }
   
   
   sub webbubbles {
       my ($ropt,$ralphabet,$temp,$lastopt)=@_;
       my @opt=@$ropt; 
       my @alphabet=@$ralphabet;
       my $result='';
       my $number_of_bubbles = $#opt + 1;
       $result.= '<table border="1"><tr>';
       for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
    my $checked='';
    if ($lastopt eq $opt[$ind]) {
       $checked=' checked="on" ';
    }
    $result.='<td><input type="radio" name="HWVAL_'.
       $Apache::inputtags::response['-1'].':'.$temp.
       '" value="'.$opt[$ind].'" '.$checked.' />';
    if ($alphabet[$ind]) {
       $result.=$alphabet[$ind].': ';
    }
    $result.=$opt[$ind].'</td>';
     }      }
       $result.='</tr></table>';
     return $result;      return $result;
 }  }
   
 # ======================================================== Insert concept group  
 sub insert_conceptgroup {  sub bubbles {
     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil().      my ($ralphabet,$ropt,$response, $max_width) = @_;
        "\n\t\t</conceptgroup>\n";      my @alphabet = @$ralphabet;
       my @opt = @$ropt;
       my ($result,$head,$line) =('','','');
       my $number_of_bubbles = $#opt + 1;
       my $current_length = 0;
       my $textwidth;
       if (defined($max_width)) {
    $textwidth=$max_width;
    &Apache::lonxml::debug("Max width passed in: $max_width");
       } elsif ($env{'form.textwidth'} ne '') {
    $env{'form.textwidth'}=~/(\d+)/;
    $textwidth=$1;
    &Apache::lonxml::debug("Max width from form: $textwidth");
       } else {
    $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
    $textwidth=$1.'.'.$2;
    &Apache::lonxml::debug("Max width defaults? $textwidth");
       }
       &Apache::lonxml::debug("Final maxwidth: $textwidth");
       for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
    my $leftmargin;
    $opt[$ind]=&Apache::lonxml::latex_special_symbols($opt[$ind]);
    if ($response eq 'rankresponse') {$opt[$ind]='Rank '.$opt[$ind];}
    if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
   
    $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
    if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
       $line.='\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
       $head.='lr';
    } else {
       $line=~s/\&\s*$//;
       $result.='\vskip -1 mm\noindent\setlength{\tabcolsep}{2 mm}\renewcommand{\arraystretch}{1.25}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
       $line = '\hskip 4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
       $head ='lr';
       $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
    }
   
       }
     return $result;      return $result;
 }  }
   
 # =========================================== Start foil (return scalar string)  
   sub start_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::optionresponse::conceptgroup=1;
     %Apache::response::conceptgroup=();
     my $result;
     if ($target eq 'edit') {
       $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
       $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
           &Apache::edit::end_row().&Apache::edit::start_spanning_row();
     }
     if ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
       if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     }
     return $result;
   }
   
   sub end_conceptgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::optionresponse::conceptgroup=0;
     my $result='';
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
         $target eq 'tex' || $target eq 'analyze') {
       #if not there aren't any foils to display and thus no question
         &Apache::response::pick_foil_for_concept($target,
          ['value','text','location'],
          \%Apache::hint::option,
          $parstack,$safeeval);
     } elsif ($target eq 'edit') {
       $result=&Apache::edit::end_table();
     }
     return $result;
   }
   
   sub insert_conceptgroup {
     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
     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') { &Apache::lonxml::startredirection; }    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
     if ($target eq 'edit') {        &Apache::lonxml::startredirection;
  $result = &Apache::edit::tag_start($target,$token,"Foil");        if ($target eq 'analyze') {
  my $level = '-2';    &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
  if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }        }
  my @opt;    } elsif ($target eq 'edit') {
  eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,      $result=&Apache::edit::tag_start($target,$token,"Foil");
  $safeeval,$level);      my $level='-2';
  $result .= &Apache::edit::text_arg('Name:','name',$token);      if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
  $result .= &Apache::edit::select_or_text_arg('Correct Option:',      my @opt;
      'value',      eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
      ['unused',(@opt)],$token,      $result.=&Apache::edit::text_arg('Name:','name',$token);
      '15');      $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
  $result .= '</td></tr><tr><td colspan="3">';         ['unused',(@opt)],$token,'15');
     }      my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
     if ($target eq 'modified') {       $safeeval,'-3');
  my $constructtag = &Apache::edit::get_new_args($token,$parstack,      if ($randomize ne 'no') {
        $safeeval,'value',   $result.=&Apache::edit::select_arg('Location:','location',
        'name');     ['random','top','bottom'],$token);
  if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      }
     }      $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     return $result;    } elsif ($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;
 }  }
   
 # ============================================= End foil (return scalar string)  
 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 ='';
     my $result = '';    my $result = '';
     if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
     if ($target eq 'web' || $target eq 'grade') {        $text=&Apache::lonxml::endredirection;
  my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);        if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
  if ($value ne 'unused') {        if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 
     my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);    }
     &Apache::lonxml::debug("Got a name of :$name:");    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
     if (!$name) { $name = $Apache::lonxml::curdepth; }        || $target eq 'tex' || $target eq 'analyze') {
     &Apache::lonxml::debug("Using a name of :$name:");      my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
     if ( $Apache::optionresponse::conceptgroup ) {      if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
  push @{ $Apache::response::conceptgroup{'names'} }, $name;   $text='\vskip 5mm $\triangleright$ '.$text;
  $Apache::response::conceptgroup{"$name.value"} = $value;      }
  $Apache::response::conceptgroup{"$name.text"} = $text;      if ($value ne 'unused') {
     } else {        my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  push @{ $Apache::response::foilgroup{'names'} }, $name;        &Apache::lonxml::debug("Got a name of :$name:");
  $Apache::response::foilgroup{"$name.value"} = $value;        if ($name eq "") {
  $Apache::response::foilgroup{"$name.text"} = $text;    &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
     }    $name=$Apache::lonxml::curdepth;
  }        }
         &Apache::lonxml::debug("Using a name of :$name:");
         if (defined($Apache::response::foilnames{$name})) {
     &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
         }
         $Apache::response::foilnames{$name}++;
         my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
         if ( $Apache::optionresponse::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"} = $location;
         }
       }
     }
     if ($target eq 'edit') {
       $result.= &Apache::edit::tag_end($target,$token,'');
     }
     return $result;
   }
   
   sub start_drawoptionlist {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($target !~ /^(?:meta|answer|modified|edit)$/) {
    return $token->[4];
     }      }
     if ($target eq 'edit') {  }
  $result .= &Apache::edit::tag_end($target,$token,'');  
   sub end_drawoptionlist {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($target !~ /^(?:meta|answer|modified|edit)$/) {
    return $token->[2];
     }      }
     return $result;  
 }  }
   
 # ========================================== Insert foil (return scalar string)  
 sub insert_foil {  sub insert_foil {
     return '      return '
 <foil name="" value="unused">  <foil name="" value="unused">
Line 364  sub insert_foil { Line 873  sub insert_foil {
 </foil>';  </foil>';
 }  }
   
   sub insert_drawoptionlist {
       return '<drawoptionlist />';
   }
 1;  1;
   
 __END__  __END__
     
   =head1 NAME
   
   Apache::optionresponse.pm;
   
   =head1 SYNOPSIS
   
   Handles tags associated with showing a list of
   options.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 HANDLER SUBROUTINE
   
   start_optionresponse()
   
   =head1 OTHER SUBROUTINES
   
   =over
   
   =item end_optionresponse()
   
   =item start_foilgroup()
   
   =item end_foilgroup()
   
   =item getfoilcounts()
   
   =item displayanswers()
   
   =item check_for_invalid()
   
   =item displayfoils()
   
   =item optionlist_correction()
   
   =item webbubbles()
   
   =item bubbles()
   
   =item start_conceptgroup()
   
   =item end_conceptgroup()
   
   =item insert_conceptgroup()
   
   =item start_foil()
   
   =item end_foil()
   
   =item start_drawoptionlist()
   
   =item end_drawoptionlist()
   
   =item insert_foil()
   
   =item insert_drawoptionlist()
   
   =back
   
   =cut
Removed from v.1.21  
changed lines
  Added in v.1.173.2.2

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