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Diff for /loncom/homework/optionresponse.pm between versions 1.23 and 1.96.2.1

version 1.23, 2001/08/13 21:44:24 version 1.96.2.1, 2004/02/19 19:19:15
Line 1 Line 1
 # The LearningOnline Network with CAPA  # LearningOnline Network with CAPA
 # option list style responses  # option list style responses
 # 2/21 Guy  #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # 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;
   
 sub BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));    &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
 }  }
   
 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','conceptgroup'));    &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','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') {    if ($target eq 'edit') {
     $result.=&Apache::edit::start_table($token).      $result.=&Apache::edit::start_table($token).
       "<tr><td>Multiple Option Response Question</td><td>Delete:".   "<tr><td>Multiple Option Response Question</td><td>Delete:".
  &Apache::edit::deletelist($target,$token)   &Apache::edit::deletelist($target,$token)
   ."</td><td>&nbsp;</td></tr><tr><td colspan=\"3\">\n";   ."</td><td>&nbsp;".
     $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').          &Apache::edit::end_row().
       "</td></tr>";          &Apache::edit::start_spanning_row().
     $result.="<tr><td colspan=\"3\">\n";          "\n";
   }      $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
   if ($target eq 'modified') {       $token,'4').
           &Apache::edit::select_arg('Randomize Foil Order','randomize',
     ['yes','no'],$token).
           &Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,      my $constructtag=&Apache::edit::get_new_args($token,$parstack,
  $safeeval,'max');   $safeeval,'max','randomize');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   }    } elsif ($target eq 'meta') {
   if ($target eq 'meta') {  
     $result=&Apache::response::meta_package_write('optionresponse');      $result=&Apache::response::meta_package_write('optionresponse');
     } elsif ($target eq 'analyze') {
       my $part_id="$Apache::inputtags::part.$id";
       push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
   }    }
   return $result;    return $result;
 }  }
Line 40  sub end_optionresponse { Line 71  sub end_optionresponse {
   my ($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;
     &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
   my $result;    my $result;
   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }    if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
   return $result;    return $result;
 }  }
   
 %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='';    my $result='';
   %Apache::response::foilgroup={};    %Apache::response::foilgroup=();
   $Apache::optionresponse::conceptgroup=0;    $Apache::optionresponse::conceptgroup=0;
   &Apache::response::setrandomnumber();    &Apache::response::setrandomnumber();
   if ($target eq 'edit') {    if ($target eq 'edit') {
Line 72  sub start_foilgroup { Line 104  sub start_foilgroup {
         </td>          </td>
         <td>Delete an Option:          <td>Delete an Option:
   <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>    <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
         </td>  
      </tr>  
      <tr><td colspan="3">$insertlist<br />  
 ENDTABLE  ENDTABLE
       $result.= &Apache::edit::end_row();
       $result.= &Apache::edit::start_spanning_row();
       $result.= $insertlist.'<br />';
   }    }
   if ($target eq 'modified') {    if ($target eq 'modified') {
     my @options;      my @options;
Line 99  ENDTABLE Line 131  ENDTABLE
     if ($optchanged) {      if ($optchanged) {
       $result = "<foilgroup options=\"(";        $result = "<foilgroup options=\"(";
       foreach my $option (@options) {        foreach my $option (@options) {
  $option=~s/\'/\\\'/;   $option=~s/\'/\\\'/g;
  &Apache::lonxml::debug("adding option :$option:");   &Apache::lonxml::debug("adding option :$option:");
  $result .="'".$option."',";   $result .="'".$option."',";
       }        }
Line 107  ENDTABLE Line 139  ENDTABLE
       $result.=')">';        $result.=')">';
     } # else nothing changed so just use the default mechanism      } # else nothing changed so just use the default mechanism
   }    }
     if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
         $result .= ' \begin{enumerate} ';
     }
   return $result;    return $result;
 }  }
   
Line 114  sub end_foilgroup { Line 149  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' || $target eq 'web') {    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
         $target eq 'tex' || $target eq 'analyze') {
       my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
     my $name;      my $name;
     my ($count,$max) = &getfoilcounts($parstack,$safeeval);  
     if ($count>$max) { $count=$max }   
     &Apache::lonxml::debug("Count is $count from $max");  
     my @opt;      my @opt;
     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);      eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
       if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
     &Apache::lonxml::debug("Options are $#opt");      &Apache::lonxml::debug("Options are $#opt");
     if ($target eq 'web') {      my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
       $result=&displayfoils($count,@opt);      my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
          $safeeval,'-2');
       if ($target eq 'web' || $target eq 'tex') {
         $result.=&displayfoils($target,$max,$randomize,@opt);
       } 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') {      } elsif ( $target eq 'grade') {
       if ( defined $ENV{'form.submitted'}) {        if ( defined $ENV{'form.submitted'}) {
  my @whichopt = &whichfoils($count);   my @whichopt = &whichfoils($max,$randomize);
  my $temp=1;my $name;   my $temp=1;my $name;
  my $allresponse;   my %responsehash;
    my %grade;
  my $right=0;   my $right=0;
  my $wrong=0;   my $wrong=0;
  my $ignored=0;   my $ignored=0;
  foreach $name (@whichopt) {   foreach $name (@whichopt) {
   my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};    my $response=&Apache::response::getresponse($temp);
   $allresponse.="$response:";    if ($ENV{'form.submitted'} eq 'scantron') {
         $response = $opt[$response];
     }
   if ( $response =~ /[^\s]/) {    if ( $response =~ /[^\s]/) {
     &Apache::lonxml::debug("submitted a $response<br />\n");      $responsehash{$name}=$response;
     my $value=$Apache::response::foilgroup{$name.'.value'};      my $value=$Apache::response::foilgroup{$name.'.value'};
     if ($value eq $response) {$right++;} else {$wrong++;}      &Apache::lonxml::debug("submitted a $response for $value<br />\n");
       if ($value eq $response) {
    $grade{$name}='1'; $right++;
       } else {
    $grade{$name}='0'; $wrong++;
       }
   } else {    } else {
     $ignored++;      $ignored++;
   }    }
   $temp++;    $temp++;
  }   }
    my $part=$Apache::inputtags::part;
  my $id = $Apache::inputtags::response['-1'];   my $id = $Apache::inputtags::response['-1'];
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$allresponse;   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
    my $gradestr   =&Apache::lonnet::hash2str(%grade);
    my %previous=&Apache::response::check_for_previous($responsestr,
      $part,$id);
  &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");   &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
  if ($wrong==0 && $ignored==0) {   $Apache::lonhomework::results{"resource.$part.$id.submission"}=
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';      $responsestr;
    $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
   
    if (!$Apache::lonhomework::scantronmode) {
       my $ad;
       if ($wrong==0 && $ignored==0) {
    $ad='EXACT_ANS';
       } elsif ($wrong==0 && $right==0) {
    #nothing submitted
       } else {
    if ($ignored==0) {
       $ad='INCORRECT';
    } else {
       $ad='MISSING_ANSWER';
    }
       }
       $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
       &Apache::response::handle_previous(\%previous,$ad);
  } else {   } else {
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';      my $ad;
       if ($wrong==0 && $right==0) {
    #nothing submitted
       } 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.$id.numfoils"}=
    scalar(@whichopt);
  }   }
       }        }
     }      }
   }      &Apache::lonxml::increment_counter(&getfoilcounts($max));
   if ($target eq 'edit') {    } elsif ($target eq 'edit') {
     $result.=&Apache::edit::end_table();      $result.=&Apache::edit::end_table();
   }    }
     if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
         $result .= '\end{enumerate}';
     }
   return $result;    return $result;
 }  }
   
 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 = $#{ $Apache::response::foilgroup{'names'} }+1;
   return ($count,$max);    if (&Apache::response::showallfoils()) { $max=$count; }
     if ($count>$max) { $count=$max } 
     &Apache::lonxml::debug("Count is $count from $max");
     return $count;
 }  }
   
 sub whichfoils {  sub whichfoils {
   my ($max)=@_;      my ($max,$randomize)=@_;
       return &Apache::response::whichorder($max,$randomize,
    &Apache::response::showallfoils(),
    \%Apache::response::foilgroup);
   }
   
   sub displayanswers {
     my ($max,$randomize,@opt)=@_;
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };    my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt =();    my @whichopt = &whichfoils($max,$randomize);
   while ((($#whichopt+1) < $max) && ($#names > -1)) {    my $result=&Apache::response::answer_header('optionresponse');
     &Apache::lonxml::debug("Have $#whichopt max is $max");    foreach my $name (@whichopt) {
     my $aopt=int(rand($#names+1));      $result.=&Apache::response::answer_part('optionresponse',
     &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");       $Apache::response::foilgroup{$name.'.value'})
     $aopt=splice(@names,$aopt,1);  
     &Apache::lonxml::debug("Picked $aopt");  
     push (@whichopt,$aopt);  
   }    }
   return @whichopt;    $result.=&Apache::response::answer_footer('optionresponse');
     return $result;
 }  }
   
 sub displayfoils {  sub displayfoils {
   my ($max,@opt)=@_;    my ($target,$max,$randomize,@opt)=@_;
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };    my @names = @{ $Apache::response::foilgroup{'names'} };
   my @truelist;    my @truelist;
   my @falselist;    my @falselist;
   my $result;    my $result;  
   my $name;    my $name;
   my @whichopt = &whichfoils($max);    my $displayoptionintex=0;
   my $optionlist="<option></option>\n";    my @alphabet = ('A'..'Z');
   my $option;    my @whichopt = &whichfoils($max,$randomize);
   foreach $option (@opt) {    my $part=$Apache::inputtags::part;
     $optionlist.="<option>$option</option>\n";    my $id=$Apache::inputtags::response[-1];
   }    my $break;
   if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {    my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
     if ( ($target ne 'tex') &&
          &Apache::response::show_answer() ) {
       my $temp=1;
     foreach $name (@whichopt) {      foreach $name (@whichopt) {
       $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.   my $text=$Apache::response::foilgroup{$name.'.text'};
  ":".$Apache::response::foilgroup{$name.'.text'}."\n";   my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
    my $lastopt=$lastresponse{$name};
    if ($text!~/^\s*$/) {
       if ($target eq 'tex') {
    $break='\vskip 0 mm ';
       } elsif ($target eq 'web') {
    $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 {
       $text=$value.': '.$text;
    }
       } else {
    $text='&#149;'.$text;
       }
       $result.=$text."\n";
         } elsif ($target eq 'tex') {
     $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
     if ($max>1) {$result .='\item ';}
      $result .=' \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
         ":".$Apache::response::foilgroup{$name.'.text'}."\n";
         }
         if ($Apache::lonhomework::type eq 'exam') {
    if ($target ne 'tex') {
     $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
           } else {
     $result.=&bubbles(\@alphabet,\@opt);
           }
         }
         $temp++;
     }      }
   } else {    } else {
     my $temp=1;      my $temp=1;
       my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
       my $internal_counter=$Apache::lonxml::counter;
     foreach $name (@whichopt) {      foreach $name (@whichopt) {
       $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"        my $text=$Apache::response::foilgroup{$name.'.text'};
  .$optionlist        if ($text!~/^\s*$/) {
   ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";    if ($target eq 'tex') {
       $temp++;        $break='\vskip 0 mm ';
     } elsif ($target eq 'web') {
         $break='<br />';
     }
         }
         my $lastopt=$lastresponse{$name};
         my $optionlist="<option></option>\n";
         my $option;
         foreach $option (@opt) {
    if ($option eq $lastopt) {
     $optionlist.="<option selected=\"on\">$option</option>\n";
    } else {
     $optionlist.="<option>$option</option>\n";
    }
         }
         if ($target ne 'tex') {
     if ($Apache::lonhomework::type ne 'exam') {
       $optionlist='<select name="HWVAL_'.
         $Apache::inputtags::response['-1'].':'.$temp.'">'.
     $optionlist."</select>\n";
     }
     my $text=$Apache::response::foilgroup{$name.'.text'};
     if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
         $text=$optionlist.$text;
     } else {
         $text='&#149;'.$text;
     }
     $result.=$break.$text."\n";
     if ($Apache::lonhomework::type eq 'exam') {
       $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
     }
     $temp++;
         } else {
             my $texoptionlist = &optionlist_correction($optionlist);
     if ($displayoptionintex == 0) {
         if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
         if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
    if ($Apache::lonhomework::type eq 'exam') {
             $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
           }
           if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
             $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
           }
    $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
         } else {
     if ($Apache::lonhomework::type eq 'exam') {
         $result.= $texoptionlist.'  '.$Apache::response::foilgroup{$name.'.text'};
     } else {
         $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
     }
         }
         if ($Apache::lonhomework::type eq 'exam') {
     $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).'\end{enumerate} \vskip -9 mm \strut ';
     $internal_counter++;
         }
         $displayoptionintex=1;
     } else {
         if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
     if ($Apache::lonhomework::type eq 'exam') {
         $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
     }
           if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
             $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
           }
    $result.= $Apache::response::foilgroup{$name.'.text'};
         } else {
     if ($Apache::lonhomework::type eq 'exam') {
         $result.= '  '.$Apache::response::foilgroup{$name.'.text'};
     } else {
         $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
     }
         }
         if ($Apache::lonhomework::type eq 'exam') {
     $result.='\vskip -1 mm \noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).'\end{enumerate} \vskip -9 mm \strut ';
     $internal_counter++;
         }
     }
         }
     }      }
   }    }
   return $result."<br />";    if ($target ne 'tex') {
         return $result.$break;
     } else {
         return $result;
     }
   }
   
   
   sub optionlist_correction {
   
       my $texoptionlist = shift;
       if ($texoptionlist=~/<option selected/ or $texoptionlist=~/<option>[^<]+<\/option>/) {
    $texoptionlist =~ s/<option><\/option>/\\item \[\] Choices: /;
    $texoptionlist =~ s/<option>/\{\\bf /g;
    $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
    $texoptionlist =~ s/<\/option>/\},/g;
    $texoptionlist =~ s/,$/\./g;
    $texoptionlist =~ s/>/\$>\$/g;
    $texoptionlist =~ s/</\$<\$/g;
    $texoptionlist =~ s/=/\$=\$/g;
    $texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
       } else {
    $texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;
       }
       return $texoptionlist;
   }
   
   
   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].'" '.$checked.' />'.$alphabet[$ind].': '.
       $opt[$ind].'</td>';
       }
       $result.='</tr></table>';
       return $result;
   }
   
   
   sub bubbles {
   
       my ($ralphabit,$ropt) = @_;
       my @alphabet = @$ralphabit;
       my @opt = @$ropt;
       my ($result,$head,$line) =('','','');
       my $number_of_bubbles = $#opt + 1;
       my $current_length = 0;
       my $textwidth;
       if ($ENV{'form.textwidth'} ne '') {
    $ENV{'form.textwidth'}=~/(\d+)/;
    $textwidth=$1;
       } else {
    $ENV{'textwidth'}=~/(\d+)/;
    $textwidth=$1;
       }
       for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
    my $leftmargin;
    if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
    $current_length += (length($opt[$ind])+length($alphabet[$ind])+3)*2;
    if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
       $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
       $head.='lr';
    } else {
       $line=~s/\&\s*$//;
       $result.='\vskip -2 mm\noindent\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}';
       $line = '\hskip -1 mm {\small \textbf{'.$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;
 }  }
   
   
 sub start_conceptgroup {  sub start_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::optionresponse::conceptgroup=1;    $Apache::optionresponse::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,"Concept Grouped Foils");      $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50')."</td></tr>";      $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
     $result.="<tr><td colspan=\"3\">\n";          &Apache::edit::end_row().&Apache::edit::start_spanning_row();
   }    }
   if ($target eq 'modified') {    if ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
Line 236  sub end_conceptgroup { Line 533  sub end_conceptgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   $Apache::optionresponse::conceptgroup=0;    $Apache::optionresponse::conceptgroup=0;
   my $result='';    my $result='';
   if ($target eq 'web' || $target eq 'grade') {    if ($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      #if not there aren't any foils to display and thus no question
     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {        &Apache::response::pick_foil_for_concept($target,
       my @names = @{ $Apache::response::conceptgroup{'names'} };         ['value','text','location'],
       my $pick=int rand $#names+1;         \%Apache::hint::option,
       my $name=$names[$pick];         $parstack,$safeeval);
       push @{ $Apache::response::foilgroup{'names'} }, $name;    } elsif ($target eq 'edit') {
       $Apache::response::foilgroup{"$name.value"} =  $Apache::response::conceptgroup{"$name.value"};  
       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};  
       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);  
       $Apache::response::foilgroup{"$name.concept"} = $concept;  
       &Apache::lonxml::debug("Selecting $name in $concept");  
     }  
   }  
   if ($target eq 'edit') {  
     $result=&Apache::edit::end_table();      $result=&Apache::edit::end_table();
   }    }
   return $result;    return $result;
Line 264  sub insert_conceptgroup { Line 554  sub insert_conceptgroup {
 sub start_foil {  sub start_foil {
   my ($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;
     } elsif ($target eq 'edit') {
     $result=&Apache::edit::tag_start($target,$token,"Foil");      $result=&Apache::edit::tag_start($target,$token,"Foil");
     my $level='-2';      my $level='-2';
     if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }      if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
     my @opt;      my @opt;
     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);      eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
     $result.=&Apache::edit::text_arg('Name:','name',$token);      $result.=&Apache::edit::text_arg('Name:','name',$token);
     $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',(@opt)],$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,$parstack,$safeeval,'value','name');      if ($randomize ne 'no') {
    $result.=&Apache::edit::select_arg('Location:','location',
      ['random','top','bottom'],$token);
       }
       $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
    'value','name','location');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   }    } 
   return $result;    return $result;
 }  }
   
Line 286  sub end_foil { Line 584  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') {        $text=&Apache::lonxml::endredirection;
         if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
     }
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
         || $target eq 'tex' || $target eq 'analyze') {
     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);      my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
     if ($value ne 'unused') {      if ($value ne 'unused') {
       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);        my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
         my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
       &Apache::lonxml::debug("Got a name of :$name:");        &Apache::lonxml::debug("Got a name of :$name:");
       if (!$name) { $name=$Apache::lonxml::curdepth; }        if (!$name) { $name=$Apache::lonxml::curdepth; }
       &Apache::lonxml::debug("Using a name of :$name:");        &Apache::lonxml::debug("Using a name of :$name:");
       if ( $Apache::optionresponse::conceptgroup ) {        if ( $Apache::optionresponse::conceptgroup
      && !&Apache::response::showallfoils() ) {
  push @{ $Apache::response::conceptgroup{'names'} }, $name;   push @{ $Apache::response::conceptgroup{'names'} }, $name;
  $Apache::response::conceptgroup{"$name.value"} = $value;   $Apache::response::conceptgroup{"$name.value"} = $value;
  $Apache::response::conceptgroup{"$name.text"} = $text;   if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
       $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
    } else {
       $Apache::response::conceptgroup{"$name.text"} = $text;
    }
    $Apache::response::conceptgroup{"$name.location"} = $location;
       } else {        } else {
  push @{ $Apache::response::foilgroup{'names'} }, $name;   push @{ $Apache::response::foilgroup{'names'} }, $name;
  $Apache::response::foilgroup{"$name.value"} = $value;   $Apache::response::foilgroup{"$name.value"} = $value;
  $Apache::response::foilgroup{"$name.text"} = $text;   if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
       $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
    } else {
       $Apache::response::foilgroup{"$name.text"} = $text;
    }
    $Apache::response::foilgroup{"$name.location"} = $location;
       }        }
     }      }
   }    }
Removed from v.1.23  
changed lines
  Added in v.1.96.2.1

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