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

Diff for /loncom/homework/optionresponse.pm between versions 1.100 and 1.135

version 1.100, 2004/02/13 21:01:11 version 1.135, 2006/03/15 17:10:49
Line 27 Line 27
 #  #
 package Apache::optionresponse;  package Apache::optionresponse;
 use strict;  use strict;
 use Apache::response;  use Apache::response();
   use Apache::lonlocal;
   use Apache::lonnet;
   
 BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));    &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
Line 37  sub start_optionresponse { Line 39  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 option 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','drawoptionlist'));
   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,$safeeval);
   %Apache::hint::option=();    %Apache::hint::option=();
     undef(%Apache::response::foilnames);
   if ($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 ".   "<tr><td>Multiple Option Response Question ".
Line 54  sub start_optionresponse { Line 57  sub start_optionresponse {
      $token,'4').       $token,'4').
         &Apache::edit::select_arg('Randomize Foil Order','randomize',          &Apache::edit::select_arg('Randomize Foil Order','randomize',
   ['yes','no'],$token).    ['yes','no'],$token).
           &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout',
     [['horizontal',&mt('Normal list')],
      ['vertical',&mt('Listed in a vertical column')]],$token).
         &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,'max','randomize');   $safeeval,'max','randomize',
    'TeXlayout');
     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }      if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
   } elsif ($target eq 'meta') {    } elsif ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('optionresponse');      $result=&Apache::response::meta_package_write('optionresponse');
Line 72  sub end_optionresponse { Line 79  sub end_optionresponse {
   my ($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'));    &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist'));
   my $result;    my $result;
   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }    if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
     undef(%Apache::response::foilnames);
   return $result;    return $result;
 }  }
   
Line 85  sub start_foilgroup { Line 93  sub start_foilgroup {
   my $result='';    my $result='';
   %Apache::response::foilgroup=();    %Apache::response::foilgroup=();
   $Apache::optionresponse::conceptgroup=0;    $Apache::optionresponse::conceptgroup=0;
   &Apache::response::setrandomnumber();    &Apache::response::pushrandomnumber();
   if ($target eq 'edit') {    if ($target eq 'edit') {
     my $optionlist="<option></option>\n";      my $optionlist="<option></option>\n";
     my $option;      my $option;
Line 106  sub start_foilgroup { Line 114  sub start_foilgroup {
         <td>Delete an Option:          <td>Delete an Option:
   <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>    <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
 ENDTABLE  ENDTABLE
       $result.= &Apache::edit::checked_arg('Print options:','texoptions',
    [ ['nochoice','Don\'t show option list'] ]
    ,$token);
     $result.= &Apache::edit::end_row();      $result.= &Apache::edit::end_row();
     $result.= &Apache::edit::start_spanning_row();      $result.= &Apache::edit::start_spanning_row();
     $result.= $insertlist.'<br />';      $result.= $insertlist.'<br />';
Line 114  ENDTABLE Line 125  ENDTABLE
     my @options;      my @options;
     my $optchanged=0;      my $optchanged=0;
     eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);      eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
     if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {      if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
       my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};        my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
       &Apache::lonxml::debug("Deleting :$delopt:");        &Apache::lonxml::debug("Deleting :$delopt:");
       splice(@options,$delopt-1,1);        splice(@options,$delopt-1,1);
       $optchanged=1;        $optchanged=1;
     }      }
     if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {      if ($env{"form.$Apache::lonxml::curdepth.options"}) {
       my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};        my $newopt = $env{"form.$Apache::lonxml::curdepth.options"};
       if ($options[0]) {        if ($options[0]) {
  push(@options,$newopt);   push(@options,$newopt);
       } else {        } else {
Line 129  ENDTABLE Line 140  ENDTABLE
       }        }
       $optchanged=1;        $optchanged=1;
     }      }
     if ($optchanged) {      my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval,
    ('texoptions'));
       if ($optchanged || $rebuildtag ) {
       $result = "<foilgroup options=\"(";        $result = "<foilgroup options=\"(";
       foreach my $option (@options) {        foreach my $option (@options) {
  $option=~s/\'/\\\'/g;   $option=~s/\'/\\\'/g;
Line 137  ENDTABLE Line 150  ENDTABLE
  $result .="'".$option."',";   $result .="'".$option."',";
       }        }
       chop $result;        chop $result;
       $result.=')">';        $result.=')" ';
         $result .= 'texoptions="'.$token->[2]{'texoptions'}.'" ';
         $result .= '>';
     } # else nothing changed so just use the default mechanism      } # else nothing changed so just use the default mechanism
   }    }
   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {    if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       $result .= ' \begin{enumerate} ';        $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
                      \begin{enumerate} ';
   }    }
   return $result;    return $result;
 }  }
Line 156  sub end_foilgroup { Line 172  sub end_foilgroup {
     my $name;      my $name;
     my @opt;      my @opt;
     eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);      eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
       &Apache::lonxml::debug("options:".join(':',@opt));
   
       my $TeXlayout=&Apache::lonxml::get_param('TeXlayout',$parstack,$safeeval,
        -2,0);
     if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}      if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
     &Apache::lonxml::debug("Options are $#opt");      &Apache::lonxml::debug("Options are $#opt");
     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');      my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
     my $randomize = &Apache::lonxml::get_param('randomize',$parstack,      my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
        $safeeval,'-2');         $safeeval,'-2');
     if ($target eq 'web' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'tex') {
       $result.=&displayfoils($target,$max,$randomize,@opt);        $result.=&displayfoils($target,$max,$randomize,$TeXlayout,@opt);
     } elsif ( $target eq 'answer') {      } elsif ( $target eq 'answer') {
       $result.=&displayanswers($max,$randomize,@opt);        $result.=&displayanswers($max,$randomize,@opt);
     } elsif ( $target eq 'analyze') {      } elsif ( $target eq 'analyze') {
Line 172  sub end_foilgroup { Line 192  sub end_foilgroup {
  my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";   my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
  push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);   push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
     } elsif ( $target eq 'grade') {      } elsif ( $target eq 'grade') {
       if ( defined $ENV{'form.submitted'}) {        if ( &Apache::response::submitted()) {
  my @whichopt = &whichfoils($max,$randomize);   my @whichopt = &whichfoils($max,$randomize);
  my $temp=1;my $name;   my $temp=1;my $name;
  my %responsehash;   my %responsehash;
Line 182  sub end_foilgroup { Line 202  sub end_foilgroup {
  my $ignored=0;   my $ignored=0;
  foreach $name (@whichopt) {   foreach $name (@whichopt) {
   my $response=&Apache::response::getresponse($temp);    my $response=&Apache::response::getresponse($temp);
   if ($ENV{'form.submitted'} eq 'scantron') {    if ($env{'form.submitted'} eq 'scantron' && $response=~/\S/) {
       $response = $opt[$response];        $response = $opt[$response];
   }    }
   if ( $response =~ /[^\s]/) {    if ( $response =~ /[^\s]/) {
Line 210  sub end_foilgroup { Line 230  sub end_foilgroup {
     $responsestr;      $responsestr;
  $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;   $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
   
  if (!$Apache::lonhomework::scantronmode) {   if ($Apache::lonhomework::type eq 'survey') {
       if ($ignored == 0) {
    my $ad=$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,$ad);
       }
    } elsif (!$Apache::lonhomework::scantronmode) {
     my $ad;      my $ad;
     if ($wrong==0 && $ignored==0) {      if ($wrong==0 && $ignored==0) {
  $ad='EXACT_ANS';   $ad='EXACT_ANS';
Line 228  sub end_foilgroup { Line 257  sub end_foilgroup {
  } else {   } else {
     my $ad;      my $ad;
     if ($wrong==0 && $right==0) {      if ($wrong==0 && $right==0) {
  #nothing submitted   #nothing submitted only assign a score if we 
    #need to override a previous grade
    if (defined($Apache::lonhomework::history{"resource.$part.$id.awarddetail"})) {
       $ad='ASSIGNED_SCORE';
    }
     } else {      } else {
  $ad='ASSIGNED_SCORE';   $ad='ASSIGNED_SCORE';
     }      }
Line 247  sub end_foilgroup { Line 280  sub end_foilgroup {
   if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {    if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
       $result .= '\end{enumerate}';        $result .= '\end{enumerate}';
   }    }
     &Apache::response::poprandomnumber();
   return $result;    return $result;
 }  }
   
Line 268  sub whichfoils { Line 302  sub whichfoils {
 }  }
   
 sub displayanswers {  sub displayanswers {
   my ($max,$randomize,@opt)=@_;      my ($max,$randomize,@opt)=@_;
   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}      if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
   my @names = @{ $Apache::response::foilgroup{'names'} };      my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt = &whichfoils($max,$randomize);      my @whichopt = &whichfoils($max,$randomize);
   my $result=&Apache::response::answer_header('optionresponse');      my $result;
   foreach my $name (@whichopt) {      if ($Apache::lonhomework::type eq 'exam') {
     $result.=&Apache::response::answer_part('optionresponse',   my $i = 0;
      $Apache::response::foilgroup{$name.'.value'})   my %opt = map { ($_,$i++) } @opt;
   }  
   $result.=&Apache::response::answer_footer('optionresponse');   $i = 0;
   return $result;   my @alphabet = ('A'..'Z');
    foreach my $name (@whichopt) {
       $result.=&Apache::response::answer_header('optionresponse',$i++);
       $result.=&Apache::response::answer_part('optionresponse',
       $alphabet[$opt{$Apache::response::foilgroup{$name.'.value'}}]);
       $result.=&Apache::response::answer_part('optionresponse',
       $Apache::response::foilgroup{$name.'.value'});
       $result.=&Apache::response::answer_footer('optionresponse');
    }
       } else {
    $result=&Apache::response::answer_header('optionresponse');
    foreach my $name (@whichopt) {
       $result.=&Apache::response::answer_part('optionresponse',
       $Apache::response::foilgroup{$name.'.value'});
    }
    $result.=&Apache::response::answer_footer('optionresponse');
       }
       return $result;
   }
   
   sub check_for_invalid {
       my ($names,$options) = @_;
       my %bad_names;
       foreach my $name (@{ $names }) {
    my $value=$Apache::response::foilgroup{$name.'.value'};
    my $found=0;
    foreach my $option (@{ $options }) {
       if ($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);
       }
 }  }
   
 sub displayfoils {  sub displayfoils {
   my ($target,$max,$randomize,@opt)=@_;    my ($target,$max,$randomize,$TeXlayout,@opt)=@_;
   if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}    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 $displayoptionintex=0;    my $displayoptionintex=1;
   my @alphabet = ('A'..'Z');    my @alphabet = ('A'..'Z');
   my @whichopt = &whichfoils($max,$randomize);    my @whichopt = &whichfoils($max,$randomize);
     &check_for_invalid(\@whichopt,\@opt);
   my $part=$Apache::inputtags::part;    my $part=$Apache::inputtags::part;
   my $id=$Apache::inputtags::response[-1];    my $id=$Apache::inputtags::response[-1];
   my $break;    my $break;
Line 303  sub displayfoils { Line 376  sub displayfoils {
  my $text=$Apache::response::foilgroup{$name.'.text'};   my $text=$Apache::response::foilgroup{$name.'.text'};
  my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});   my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
  my $lastopt=$lastresponse{$name};   my $lastopt=$lastresponse{$name};
  if ($text!~/^\s*$/) {   if ($text!~/^\s*$/) { $break='<br />'; }
     if ($target eq 'tex') {  
  $break='\vskip 0 mm ';  
     } elsif ($target eq 'web') {  
  $break='<br />';  
     }  
  }  
  $result.=$break;   $result.=$break;
  if ($target eq 'web') {   if ($target eq 'web') {
     my $value=$Apache::response::foilgroup{$name.'.value'};      my $value=$Apache::response::foilgroup{$name.'.value'};
Line 317  sub displayfoils { Line 384  sub displayfoils {
  if ($text=~/^\s*$/) {   if ($text=~/^\s*$/) {
     $text=$value.$text;      $text=$value.$text;
  } else {   } else {
     $text=$value.': '.$text;      $text='<b>'.$value.':</b> '.$text;
  }   }
     } else {      } else {
  $text='&#149;'.$text;   $text='&#149;'.$text;
     }      }
     $result.=$text."\n";      $result.=$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 ($Apache::lonhomework::type eq 'exam') {
  if ($target ne 'tex') {  
   $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);    $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
         } else {  
   $result.=&bubbles(\@alphabet,\@opt);  
         }  
       }        }
       $temp++;        $temp++;
     }      }
Line 353  sub displayfoils { Line 411  sub displayfoils {
       }        }
       my $lastopt=$lastresponse{$name};        my $lastopt=$lastresponse{$name};
       my $optionlist="<option></option>\n";        my $optionlist="<option></option>\n";
       my $option;        foreach my $option (@opt) {
       foreach $option (@opt) {    my $escopt=&HTML::Entities::encode($option,'\'"&<>');
  if ($option eq $lastopt) {    if ($option eq $lastopt) {
   $optionlist.="<option selected=\"on\">$option</option>\n";        $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n";
  } else {    } else {
   $optionlist.="<option>$option</option>\n";        $optionlist.="<option value='".$escopt."'>$option</option>\n";
  }    }
       }        }
       if ($target ne 'tex') {        if ($target ne 'tex') {
   if ($Apache::lonhomework::type ne 'exam') {    if ($Apache::lonhomework::type ne 'exam') {
     $optionlist='<select name="HWVAL_'.        $optionlist='<select name="HWVAL_'.
       $Apache::inputtags::response['-1'].':'.$temp.'">'.    $Apache::inputtags::response['-1'].':'.$temp.'">'.
   $optionlist."</select>\n";    $optionlist."</select>\n";
     } else {
         $optionlist='<u>'.('&nbsp;'x10).'</u>';
   }    }
   my $text=$Apache::response::foilgroup{$name.'.text'};    if ($text=~s|<drawoptionlist\s*/>|$optionlist|) {
   if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {        if ($Apache::lonhomework::type ne 'exam') {
       $text=$optionlist.$text;    $text='&#149;'.$text;
         }
   } else {    } else {
       $text='&#149;'.$text;        if ($Apache::lonhomework::type ne 'exam') {
     $text=$optionlist.$text;
         }
   }    }
   $result.=$break.$text."\n";    $result.=$break.$text."\n";
   if ($Apache::lonhomework::type eq 'exam') {    if ($Apache::lonhomework::type eq 'exam') {
     $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);        $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
   }    }
   $temp++;    $temp++;
       } else {        } else {
           my $texoptionlist = &optionlist_correction($optionlist);    my $texoptionlist='';
   if ($displayoptionintex == 0) {    if ($displayoptionintex &&
       if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist        $Apache::lonhomework::type ne 'exam') {
       if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {        $texoptionlist = &optionlist_correction($TeXlayout,@opt);
  if ($Apache::lonhomework::type eq 'exam') {    }
           $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;    if ($text=~/<drawoptionlist\s*\/>/) {
         }        $text=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
         if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {    }
           $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;  
         }    if ($text=~m/\\item /) {
  $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') {        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 ';            $text=~s/\\item/\\vskip 2 mm/;
   $internal_counter++;  
       }        }
       $displayoptionintex=1;        $result.= $texoptionlist.$text;
   } else {    } 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') {        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 ';    $result.= $texoptionlist.'  '.$text;
   $internal_counter++;        } else {
     if ($text=~/\S/) {$result.= $texoptionlist.'\vspace*{-2 mm}\item '.$text;} else {$result.= $texoptionlist;}
       }        }
   }    }
     if ($Apache::lonhomework::type eq 'exam') {
         $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.
     $internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).
     '\end{enumerate} \vskip -8 mm \strut ';
         $internal_counter++;
     }
     $displayoptionintex=0;
       }        }
     }      }
   }    }
Line 435  sub displayfoils { Line 482  sub displayfoils {
   
   
 sub optionlist_correction {  sub optionlist_correction {
       my ($TeXlayout,@options) = @_;
     my $texoptionlist = shift;      my $texoptionlist='\\item [] Choices: ';
     if ($texoptionlist=~/<option selected/ or $texoptionlist=~/<option>[^<]+<\/option>/) {      if ($TeXlayout eq 'vertical') {$texoptionlist='\\item []';}
  $texoptionlist =~ s/<option><\/option>/\\item \[\] Choices: /;      if (scalar(@options) > 0) {
  $texoptionlist =~ s/<option>/\{\\bf /g;   foreach my $option (@options) {
  $texoptionlist =~ s/<option selected="on">/\{\\bf /g;      $texoptionlist.='{\bf '.
  $texoptionlist =~ s/<\/option>/\},/g;   &Apache::lonxml::latex_special_symbols($option).
  $texoptionlist =~ s/,$/\./g;   '}';
  $texoptionlist =~ s/>/\$>\$/g;      if ($TeXlayout eq 'vertical') {
  $texoptionlist =~ s/</\$<\$/g;   $texoptionlist.=' \vskip 0 mm ',
  $texoptionlist =~ s/=/\$=\$/g;      } else {
  $texoptionlist =~ s/\^(\d+)/\$^{$1}\$/g;   $texoptionlist.=', ';
       }
    }
    $texoptionlist=~s/, $//;
    if ($TeXlayout ne 'vertical') {$texoptionlist.='.';}
     } else {      } else {
  $texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;   if ($TeXlayout ne 'vertical') {$texoptionlist='\\item [] \\vskip -5 mm';}
     }      }
     return $texoptionlist;      return $texoptionlist;
 }  }
   
   
 sub webbubbles {  sub webbubbles {
   
     my ($ropt,$ralphabet,$temp,$lastopt)=@_;      my ($ropt,$ralphabet,$temp,$lastopt)=@_;
     my @opt=@$ropt;       my @opt=@$ropt; 
     my @alphabet=@$ralphabet;      my @alphabet=@$ralphabet;
Line 469  sub webbubbles { Line 519  sub webbubbles {
  }   }
  $result.='<td><input type="radio" name="HWVAL_'.   $result.='<td><input type="radio" name="HWVAL_'.
     $Apache::inputtags::response['-1'].':'.$temp.      $Apache::inputtags::response['-1'].':'.$temp.
     '" value="'.$opt[$ind].'" '.$checked.' />'.$alphabet[$ind].': '.      '" value="'.$opt[$ind].'" '.$checked.' />';
     $opt[$ind].'</td>';   if ($alphabet[$ind]) {
       $result.=$alphabet[$ind].': ';
    }
    $result.=$opt[$ind].'</td>';
     }      }
     $result.='</tr></table>';      $result.='</tr></table>';
     return $result;      return $result;
Line 478  sub webbubbles { Line 531  sub webbubbles {
   
   
 sub bubbles {  sub bubbles {
       my ($ralphabet,$ropt,$response) = @_;
     my ($ralphabit,$ropt) = @_;      my @alphabet = @$ralphabet;
     my @alphabet = @$ralphabit;  
     my @opt = @$ropt;      my @opt = @$ropt;
     my ($result,$head,$line) =('','','');      my ($result,$head,$line) =('','','');
     my $number_of_bubbles = $#opt + 1;      my $number_of_bubbles = $#opt + 1;
     my $current_length = 0;      my $current_length = 0;
     my $textwidth;      my $textwidth;
     if ($ENV{'form.textwidth'} ne '') {      if ($env{'form.textwidth'} ne '') {
  $ENV{'form.textwidth'}=~/(\d+)/;   $env{'form.textwidth'}=~/(\d+)/;
  $textwidth=$1;   $textwidth=$1;
     } else {      } else {
  $ENV{'textwidth'}=~/(\d+)/;   $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
  $textwidth=$1;   $textwidth=$1.'.'.$2;
     }      }
     for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {      for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
  my $leftmargin;   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;}   if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
  $current_length += (length($opt[$ind])+length($alphabet[$ind])+3)*2;   $current_length += (length($opt[$ind])+length($alphabet[$ind])+4)*2;
  if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {   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].'} & ';      $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
     $head.='lr';      $head.='lr';
  } else {   } else {
     $line=~s/\&\s*$//;      $line=~s/\&\s*$//;
     $result.='\vskip -2 mm\noindent\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}';      $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}\vskip 0 mm';
     $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;      $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
     $head ='lr';      $head ='lr';
     $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;      $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
Line 556  sub start_foil { Line 610  sub start_foil {
   my ($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' || $target eq 'analyze' ) {    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
     &Apache::lonxml::startredirection;        &Apache::lonxml::startredirection;
         if ($target eq 'analyze') {
     &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
         }
   } elsif ($target eq 'edit') {    } 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';
Line 587  sub end_foil { Line 644  sub end_foil {
   my $result = '';    my $result = '';
   if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
       $text=&Apache::lonxml::endredirection;        $text=&Apache::lonxml::endredirection;
       if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }        if ($target eq 'tex') {$text=~s/\\strut\s*\\\\\s*\\strut/\\vskip 0 mm/;}
         if (($target eq 'tex') and ($Apache::lonhomework::type ne 'exam') and ($text=~/\S/)) {$text = '\vspace*{-2 mm}\item '.$text;} 
   }    }
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' 
       || $target eq 'tex' || $target eq 'analyze') {        || $target eq 'tex' || $target eq 'analyze') {
     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);      my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
       if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
    $text='\vskip 5mm $\triangleright$ '.$text;
       }
     if ($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 eq "") {
     &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
     $name=$Apache::lonxml::curdepth;
         }
       &Apache::lonxml::debug("Using a name of :$name:");        &Apache::lonxml::debug("Using a name of :$name:");
         if (defined($Apache::response::foilnames{$name})) {
     &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
         }
         $Apache::response::foilnames{$name}++;
         my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
       if ( $Apache::optionresponse::conceptgroup        if ( $Apache::optionresponse::conceptgroup
    && !&Apache::response::showallfoils() ) {     && !&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"} = $value;
  if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {   $Apache::response::conceptgroup{"$name.text"} = $text;
     $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;  
  } else {  
     $Apache::response::conceptgroup{"$name.text"} = $text;  
  }  
  $Apache::response::conceptgroup{"$name.location"} = $location;   $Apache::response::conceptgroup{"$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"} = $value;
  if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {   $Apache::response::foilgroup{"$name.text"} = $text;
     $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;  
  } else {  
     $Apache::response::foilgroup{"$name.text"} = $text;  
  }  
  $Apache::response::foilgroup{"$name.location"} = $location;   $Apache::response::foilgroup{"$name.location"} = $location;
       }        }
     }      }
Line 626  sub end_foil { Line 686  sub end_foil {
   return $result;    return $result;
 }  }
   
   sub start_drawoptionlist {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($target ne 'meta') {
    return $token->[4];
       }
   }
   
   sub end_drawoptionlist {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($target ne 'meta') {
    return $token->[2];
       }
   }
   
 sub insert_foil {  sub insert_foil {
   return '    return '
 <foil name="" value="unused">  <foil name="" value="unused">
Removed from v.1.100  
changed lines
  Added in v.1.135

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