loncom/homework/optionresponse.pm - view

File: [LON-CAPA] / loncom / homework / optionresponse.pm
Revision 1.143: download - view: text, annotated - select for diffs
Tue Apr 17 23:25:09 2007 UTC (17 years ago) by albertel
Branches: MAIN
CVS tags: version_2_4_X, version_2_4_2, version_2_4_1, version_2_4_0, version_2_3_99_0, HEAD

- 2622, refactoring out some code, essay response also works now

# LearningOnline Network with CAPA # option list style responses # # $Id: optionresponse.pm,v 1.143 2007/04/17 23:25:09 albertel Exp $ # # 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; use strict; use Apache::response(); use Apache::lonlocal; use Apache::lonnet; BEGIN { &Apache::lonxml::register('Apache::optionresponse',('optionresponse')); } sub start_optionresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; #when in a option response use these &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); push (@Apache::lonxml::namespace,'optionresponse'); my $id = &Apache::response::start_response($parstack,$safeeval); %Apache::hint::option=(); undef(%Apache::response::foilnames); if ($target eq 'edit') { $result.=&Apache::edit::start_table($token). "<tr><td>Multiple Option Response Question ". &Apache::loncommon::help_open_topic('Option_Response_Problems')."</td><td>Delete:". &Apache::edit::deletelist($target,$token) ."</td><td> ". &Apache::edit::end_row(). &Apache::edit::start_spanning_row(). "\n"; $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max', $token,'4'). &Apache::edit::select_arg('Randomize Foil Order','randomize', ['yes','no'],$token). &Apache::edit::select_arg(&mt('Display of options when printed'),'TeXlayout', [['horizontal',&mt('Normal list')], ['vertical',&mt('Listed in a vertical column')]],$token). &Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($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"; push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); } return $result; } sub end_optionresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; &Apache::response::end_response; pop @Apache::lonxml::namespace; &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup','drawoptionlist')); my $result; if ($target eq 'edit') { $result=&Apache::edit::end_table(); } undef(%Apache::response::foilnames); return $result; } %Apache::response::foilgroup=(); sub start_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; %Apache::response::foilgroup=(); $Apache::optionresponse::conceptgroup=0; &Apache::response::pushrandomnumber(); if ($target eq 'edit') { my $optionlist="<option></option>\n"; my $option; my @opt; eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval); my $count=1; foreach $option (@opt) { $optionlist.="<option value=\"$count\">$option</option>\n"; $count++; } my $insertlist=&Apache::edit::insertlist($target,$token); $result.=&Apache::edit::start_table($token); $result.= (<<ENDTABLE); <tr><td>Select Options</td> <td> Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" /> </td> <td>Delete an Option: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select> ENDTABLE $result.= &Apache::edit::checked_arg('Print options:','texoptions', [ ['nochoice','Don\'t show option list'] ] ,$token); $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"}) { my $newopt = $env{"form.$Apache::lonxml::curdepth.options"}; if ($options[0]) { push(@options,$newopt); } else { $options[0]=$newopt; } $optchanged=1; } my $rebuildtag = &Apache::edit::get_new_args($token,$parstack,$safeeval, ('texoptions')); 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'}.'" '; $result .= '>'; } # else nothing changed so just use the default mechanism } if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.} \begin{enumerate} '; } return $result; } sub end_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($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 $name; my @opt; eval '@opt ='.&Apache::lonxml::get_param('options',$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=();} &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,@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 { $grade{$name}='0'; $wrong++; } } else { $ignored++; } $temp++; } my $part=$Apache::inputtags::part; my $id = $Apache::inputtags::response['-1']; 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"); $Apache::lonhomework::results{"resource.$part.$id.submission"}= $responsestr; $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr; 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 $ad; if ($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 { 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.$id.numfoils"}= scalar(@whichopt); } } } &Apache::lonxml::increment_counter(&getfoilcounts($max)); } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table(); } if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $result .= '\end{enumerate}'; } &Apache::response::poprandomnumber(); return $result; } sub getfoilcounts { my ($max)=@_; # +1 since instructors will count from 1 my $count = $#{ $Apache::response::foilgroup{'names'} }+1; if (&Apache::response::showallfoils()) { $max=$count; } if ($count>$max) { $count=$max } &Apache::lonxml::debug("Count is $count from $max"); return $count; } sub whichfoils { my ($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 = @{ $Apache::response::foilgroup{'names'} }; my @whichopt = &whichfoils($max,$randomize); my $result; if ($Apache::lonhomework::type eq 'exam') { my $i = 0; my %opt = map { ($_,$i++) } @opt; $i = 0; 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 <optionresponse> '. 'have invalid correct options').' <br /><tt>'. join('<br />',(map { $_=&mt("[_1] with value [_2]",$_,$bad_names{$_}) } (keys(%bad_names)))). "</tt>"; &Apache::lonxml::error($error); } } sub displayfoils { my ($target,$max,$randomize,$TeXlayout,@opt)=@_; if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;} my @names = @{ $Apache::response::foilgroup{'names'} }; my @truelist; my @falselist; my $result; my $name; my $displayoptionintex=1; my @alphabet = ('A'..'Z'); my @whichopt = &whichfoils($max,$randomize); &check_for_invalid(\@whichopt,\@opt); my $part=$Apache::inputtags::part; my $id=$Apache::inputtags::response[-1]; my $break; my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; if ( ($target ne 'tex') && &Apache::response::show_answer() ) { my $temp=1; foreach $name (@whichopt) { my $text=$Apache::response::foilgroup{$name.'.text'}; my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); 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 { $text=''.$text; } $result.=$text."\n"; } if ($Apache::lonhomework::type eq 'exam') { $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt); } $temp++; } } else { my $temp=1; my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"}); my $internal_counter=$Apache::lonxml::counter; 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"; foreach my $option (@opt) { my $escopt=&HTML::Entities::encode($option,'\'"&<>'); if ($option eq $lastopt) { $optionlist.="<option value='".$escopt."' selected=\"selected\">$option</option>\n"; } else { $optionlist.="<option value='".$escopt."'>$option</option>\n"; } } if ($target ne 'tex') { if ($Apache::lonhomework::type ne 'exam') { $optionlist='<select onchange="javascript:setSubmittedPart(\''. $part.'\');" name="HWVAL_'. $Apache::inputtags::response['-1'].':'.$temp.'">'. $optionlist."</select>\n"; } else { $optionlist='<u>'.(' 'x10).'</u>'; } if ($text=~s|<drawoptionlist\s*/>|$optionlist|) { if ($Apache::lonhomework::type ne 'exam') { $text=''.$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/; } $result.= $texoptionlist.$text; } else { if ($Apache::lonhomework::type eq 'exam') { $result.= $texoptionlist.' '.$text; } 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++; } $displayoptionintex=0; } } } if ($target eq 'web') { &Apache::response::setup_prior_tries_hash(\&Apache::rankresponse::format_prior_answer, [\@whichopt, 'submissiongrading']); } if ($target ne 'tex') { return $result.$break; } else { return $result; } } sub optionlist_correction { my ($TeXlayout,@options) = @_; my $texoptionlist='\\item [] Choices: '; if ($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';} } 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].'" '.$checked.' />'; if ($alphabet[$ind]) { $result.=$alphabet[$ind].': '; } $result.=$opt[$ind].'</td>'; } $result.='</tr></table>'; return $result; } sub bubbles { my ($ralphabet,$ropt,$response, $max_width) = @_; my @alphabet = @$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) { $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & '; $head.='lr'; } else { $line=~s/\&\s*$//; $result.='\vskip -2 mm\noindent\setlength{\tabcolsep}{2 mm}\begin{tabular}{'.$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].'} & ';; $head ='lr'; $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2; } } return $result; } sub start_conceptgroup { my ($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 $result; } sub start_foil { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) { &Apache::lonxml::startredirection; if ($target eq 'analyze') { &Apache::response::check_if_computed($token,$parstack,$safeeval,'value'); } } elsif ($target eq 'edit') { $result=&Apache::edit::tag_start($target,$token,"Foil"); my $level='-2'; if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; } my @opt; eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level); $result.=&Apache::edit::text_arg('Name:','name',$token); $result.= &Apache::edit::select_or_text_arg('Correct Option:','value', ['unused',(@opt)],$token,'15'); my $randomize=&Apache::lonxml::get_param('randomize',$parstack, $safeeval,'-3'); if ($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); } } return $result; } sub end_foil { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $text =''; my $result = ''; if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { $text=&Apache::lonxml::endredirection; if ($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' || $target eq 'tex' || $target eq 'analyze') { 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') { my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); &Apache::lonxml::debug("Got a name of :$name:"); 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 :$name:"); if (defined($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 && !&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 (($target ne 'meta') && ($target ne 'answer')) { return $token->[4]; } } sub end_drawoptionlist { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; if (($target ne 'meta') && ($target ne 'answer')) { return $token->[2]; } } sub insert_foil { return ' <foil name="" value="unused"> <startouttext /> <endouttext /> </foil>'; } 1; __END__