# The LearningOnline Network with CAPA # Full matching style response # # $Id: matchresponse.pm,v 1.74 2008/12/11 01:11:55 raeburn 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::matchresponse; use strict; use HTML::Entities(); use Math::Random(); use Apache::optionresponse(); use Apache::lonlocal; use Apache::lonnet; use Apache::lonxml; BEGIN { &Apache::lonxml::register('Apache::matchresponse',('matchresponse')); } sub start_matchresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; #when in a matchresponse use these &Apache::lonxml::register('Apache::matchresponse', ('foilgroup','foil','conceptgroup','item', 'itemgroup')); push (@Apache::lonxml::namespace,'matchresponse'); my $id = &Apache::response::start_response($parstack,$safeeval); %Apache::hint::match=(); undef(%Apache::response::foilnames); if ($target eq 'meta') { $result=&Apache::response::meta_package_write('matchresponse'); } elsif ($target eq 'edit' ) { $result.=&Apache::edit::start_table($token). ''.&Apache::lonxml::description($token).'' .''.&mt('Delete?').' ' .&Apache::edit::deletelist($target,$token) .'' .' '.&Apache::edit::end_row() .&Apache::edit::start_spanning_row(); $result.= &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4'). &Apache::edit::select_arg('Randomize Foil Order:','randomize', ['yes','no'],$token). &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n"; } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'max', 'randomize'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } } elsif ($target eq 'analyze') { my $part_id="$Apache::inputtags::part.$id"; $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse'; push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1); } return $result; } sub end_matchresponse { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'edit') { $result=&Apache::edit::end_table(); } &Apache::response::end_response; pop @Apache::lonxml::namespace; &Apache::lonxml::deregister('Apache::matchresponse', ('foilgroup','foil','conceptgroup')); undef(%Apache::response::foilnames); return $result; } %Apache::response::itemgroup=(); sub start_itemgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; %Apache::response::itemgroup=(); %Apache::matchresponse::itemtable=(); if ($target eq 'edit') { $result=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::select_arg('Randomize Order:','randomize', ['yes','no'],$token).' 'x 3; $result.=&Apache::edit::select_arg('Items Display Location:', 'location', ['top','bottom','left','right'], $token).' 'x 3; $result.=&Apache::edit::select_arg('Items Display Direction:', 'direction', ['vertical','horizontal'], $token); $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'randomize', 'location','direction'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } } elsif ($target eq 'web' or $target eq 'tex') { $Apache::matchresponse::itemtable{'location'}= &Apache::lonxml::get_param('location',$parstack,$safeeval); $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0); } return $result; } sub end_itemgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target eq 'edit') { $result=&Apache::edit::end_table(); } if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; } my @names=@{ $Apache::response::itemgroup{'names'} }; my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval); if ($randomize ne 'no' ) { @names=&Apache::response::whichorder($#names+1,$randomize,0, \%Apache::response::itemgroup); } if ($target eq 'analyze') { my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]"; push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names); } my %letter_name_map; my %name_letter_map; my @alphabet=('A'..'Z'); my $i=0; foreach my $name (@names) { $letter_name_map{$alphabet[$i]}=$name; $name_letter_map{$name}=$alphabet[$i]; $i++; } $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map; $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map; my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval); if ($target eq 'web') { my $table='
'; # extra space to match what latex does. my $i=0; if ($direction eq 'horizontal') { $table .='';} foreach my $name (@names) { if ($direction ne 'horizontal') { $table.=''; } $table.=''; if ($direction ne 'horizontal') { $table.=''; } $i++; } if ($direction eq 'horizontal') { $table .='';} $table.='
'.$alphabet[$i].''. $Apache::response::itemgroup{$name.'.text'}.'
'; $Apache::matchresponse::itemtable{'display'}=$table; $Apache::lonxml::post_evaluate=0; } elsif ($target eq 'tex') { my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} '; my $i=0; foreach my $name (@names) { # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g; $table.='\item['.$alphabet[$i].'] '. $Apache::response::itemgroup{$name.'.text'}; $i++; } $table.=' \end{description} \strut '; if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';} $Apache::matchresponse::itemtable{'display'}=$table; $Apache::lonxml::post_evaluate=0; } return $result; } sub start_item { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { &Apache::lonxml::startredirection; } elsif ($target eq 'edit') { my $randomize=&Apache::lonxml::get_param('randomize',$parstack, $safeeval,'-2'); $result=&Apache::edit::tag_start($target,$token,"Item"); $result.=&Apache::edit::text_arg('Name:','name',$token); if ($randomize ne 'no') { $result.=' 'x 3 . &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, $safeeval,'name', 'location'); if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } } return $result; } sub end_item { my ($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 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') { 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:"); if ($name eq "") { $name=$Apache::lonxml::curdepth; } &Apache::lonxml::debug("Using a name of :$name:"); push @{ $Apache::response::itemgroup{'names'} }, $name; $Apache::response::itemgroup{"$name.text"} = $text; $Apache::response::itemgroup{"$name.location"} = $location; } if ($target eq 'edit') { $result.= &Apache::edit::tag_end($target,$token,''); } return $result; } sub insert_item { return ' '; } %Apache::response::foilgroup=(); sub start_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; %Apache::response::foilgroup=(); $Apache::matchresponse::conceptgroup=0; &Apache::response::pushrandomnumber(); if ($target eq 'edit') { $result.=&Apache::edit::start_table($token) .''.&mt('Collection Of Foils').'' .''.&mt('Delete?') .&Apache::edit::deletelist($target,$token) .'' .' '.&Apache::edit::end_row() .&Apache::edit::start_spanning_row()."\n"; } return $result; } sub end_foilgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result; my $part = $Apache::inputtags::part; my $response_id = $Apache::inputtags::response[-1]; if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { 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); $Apache::lonxml::post_evaluate=0; } elsif ($target eq 'answer' ) { $result=&displayanswers($max,$randomize); } elsif ( $target eq 'grade') { &grade_response($max,$randomize); } elsif ( $target eq 'analyze') { my @shown=&whichfoils($max,$randomize); &Apache::response::analyze_store_foilgroup(\@shown, ['text','value','location']); #FIXME need to store options in some way } &Apache::lonxml::increment_counter(&getfoilcounts($max), "$part.$response_id"); if ($target eq 'analyze') { &Apache::lonhomework::set_bubble_lines(); } } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); } &Apache::response::poprandomnumber(); return $result; } sub whichfoils { my ($max,$randomize)=@_; return &Apache::response::whichorder(&getfoilcounts($max), $randomize, &Apache::response::showallfoils(), \%Apache::response::foilgroup); } sub displayanswers { my ($max,$randomize,@opt)=@_; if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; } my @names = @{ $Apache::response::foilgroup{'names'} }; my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max), $randomize, &Apache::response::showallfoils(), \%Apache::response::foilgroup); my %name_letter_map; if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) { %name_letter_map= %{ $Apache::response::itemgroup{'name_letter_map'} }; } my $result; if ($Apache::lonhomework::type eq 'exam') { my $i=0; foreach my $name (@whichfoils) { $result.=&Apache::response::answer_header('matchresponse',$i++); my $value_name=$Apache::response::foilgroup{$name.'.value'}; my $letter=$name_letter_map{$value_name}; $result.=&Apache::response::answer_part('matchresponse',$letter); $result.=&Apache::response::answer_footer('matchresponse'); } } else { $result=&Apache::response::answer_header('matchresponse'); foreach my $name (@whichfoils) { my $value_name=$Apache::response::foilgroup{$name.'.value'}; my $letter=$name_letter_map{$value_name}; $result.=&Apache::response::answer_part('matchresponse',$letter); } $result.=&Apache::response::answer_footer('matchresponse'); } return $result; } sub grade_response { my ($max,$randomize)=@_; my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max), $randomize, &Apache::response::showallfoils(), \%Apache::response::foilgroup); if (!&Apache::response::submitted()) { return; } my %responsehash; my %grade; my ($temp,$right,$wrong,$ignored)=(1,0,0,0); my %letter_name_map; if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) { %letter_name_map= %{ $Apache::response::itemgroup{'letter_name_map'} }; } my @items; foreach my $name (@whichfoils) { my $response = &Apache::response::getresponse($temp,'letter'); push(@items,$response); my $responsename = $letter_name_map{$response}; my $value=$Apache::response::foilgroup{$name.'.value'}; if ( $response =~ /[^\s]/) { $responsehash{$name}=$responsename; &Apache::lonxml::debug("submitted a $response($responsename) for $value
\n"); if ($value eq $responsename) { $grade{$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 $itemstr =&Apache::lonnet::array2str(@items); 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.submissionitems"}= $itemstr; $Apache::lonhomework::results{"resource.$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 } else { $ad='ASSIGNED_SCORE'; $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}= $ad; $Apache::lonhomework::results{"resource.$part.$id.awarded"}= $right/(scalar(@whichfoils)); $Apache::lonhomework::results{"resource.$part.$id.numfoils"}= scalar(@whichfoils); } } } sub format_prior_answer { my ($mode,$answer,$other_data) = @_; my %answer =&Apache::lonnet::str2hash($answer); my $foil_order =$other_data->[0]; my %grading =&Apache::lonnet::str2hash($other_data->[1]); my @items =&Apache::lonnet::str2array($other_data->[2]); my $output; foreach my $name (@{ $foil_order }) { my $item=shift(@items); $output .= ''.$item.''; } return if (!defined($output)); $output = ''.$output.'
'; return $output; } sub itemdisplay { my ($location)=@_; if ($location eq 'top' && !defined($Apache::matchresponse::itemtable{'location'})) { return $Apache::matchresponse::itemtable{'display'}; } if ($Apache::matchresponse::itemtable{'location'} eq $location) { return $Apache::matchresponse::itemtable{'display'}; } return undef; } sub displayfoils { my ($target,$max,$randomize)=@_; my ($tabsize, $lefttabsize, $righttabsize); my $result; my $question; my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max), $randomize, &Apache::response::showallfoils(), \%Apache::response::foilgroup); my $part=$Apache::inputtags::part; my $solved=$Apache::lonhomework::history{"resource.$part.solved"}; my %letter_name_map; if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) { %letter_name_map= %{ $Apache::response::itemgroup{'letter_name_map'} }; } my %name_letter_map; if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) { %name_letter_map= %{ $Apache::response::itemgroup{'name_letter_map'} }; } if ( &Apache::response::show_answer() && ($target ne 'tex')) { foreach my $name (@whichfoils) { my $text=$Apache::response::foilgroup{$name.'.text'}; my $value=$Apache::response::foilgroup{$name.'.value'}; my $letter=$name_letter_map{$value}; if ($target eq 'tex') { $question.=' \\\\ '.$letter.':'.$text; } else { $question.='
'.$letter.': '.$text; } } } else { my $i = 0; my $temp=1; my $id=$Apache::inputtags::response[-1]; my $part=$Apache::inputtags::part; my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"}; my %lastresponse=&Apache::lonnet::str2hash($lastresponse); my @alphabet=('A'..'Z'); my @used_letters=sort(keys(%letter_name_map)); my $internal_counter=$Apache::lonxml::counter; foreach my $name (@whichfoils) { my $lastopt=$lastresponse{$name}; my $last_letter=$name_letter_map{$lastopt}; my $optionlist = ''; if ($target ne 'tex') { $optionlist="\n"; } else { if ($Apache::lonhomework::type ne 'exam') { $optionlist='\framebox[10 mm][s]{\tiny\strut}'; } } my $option; foreach $option (@used_letters) { if ($option eq $last_letter) { if ($target ne 'tex') { $optionlist.="\n"; } } else { if ($target ne 'tex') { $optionlist.="\n"; } } } if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') { $optionlist='\n"; } my $text=$Apache::response::foilgroup{$name.'.text'}; # # Factor out the tex computations of the left/right 1/2 minipage # widths for left or right positioning. This allows us # to, if necessary constrain the bubble widths: # if ($target eq 'tex' && (&itemdisplay('left') || &itemdisplay('right'))) { $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'}); ($lefttabsize,$righttabsize)=(0,0); if ($Apache::matchresponse::TeXitemgroupwidth ne '') { $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/; $lefttabsize=$tabsize*$1/100; $righttabsize=0.95*($tabsize-$lefttabsize); } else { $tabsize=~/(\d+\.?\d*)/; $lefttabsize=$1/2.1; $righttabsize=0.95*($1-$lefttabsize); } } if ($target ne 'tex') { if ($Apache::lonhomework::type ne 'exam') { $question.="
\n".$optionlist.$text; } else { $question.="
\n".$text; } if ($Apache::lonhomework::type eq 'exam') { my @blank; $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter); } } else { # Note that if left or right positioned, we must # confine the bubbles to righttabsize: # if ($Apache::lonhomework::type eq 'exam') { $question.=' '.$optionlist.$text."\n"; my @emptyItems = (); for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';} $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}' .'\item \hskip -3mm \textbf{'.$internal_counter.'}'; if (&itemdisplay('left') || &itemdisplay('right')) { $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize); } else { $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems); } $question .= '\end{list} \vskip -8 mm \strut '; $internal_counter++; } else { $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n"; } } $temp++; } } if ($result=&itemdisplay('top')) { $result.=$question; } elsif ($result=&itemdisplay('bottom')) { $result=$question.$result; } elsif ($result=&itemdisplay('right')) { if ($target ne 'tex') { #remove the first
$question=~s|
||; $result='
'.$question. ''.$result.'
'; } else { $lefttabsize.=' mm '; $righttabsize.=' mm '; $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}'; } } elsif ($result=&itemdisplay('left')) { if ($target ne 'tex') { #remove the first
$question=~s|
||; $result='
'.$result. ''.$question.'
'; } else { $lefttabsize.=' mm '; $righttabsize.=' mm '; $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}'; } } if ($target eq 'web') { &Apache::response::setup_prior_tries_hash(\&format_prior_answer, [\@whichfoils, 'submissiongrading', 'submissionitems']); } if ($target ne 'tex') {$result.="
";} else {$result.=' \\\\ ';} 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 $count; } sub start_conceptgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; $Apache::matchresponse::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::matchresponse::conceptgroup=0; my $result=''; if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { &Apache::response::pick_foil_for_concept($target, ['value','text','location'], \%Apache::hint::match, $parstack,$safeeval); } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); } return $result; } sub insert_conceptgroup { my $result="\n\t\t".&insert_foil()."\n\t\t\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'; } $result.=&Apache::edit::text_arg('Name:','name',$token); my @names; if (defined(@{ $Apache::response::itemgroup{'names'} })) { @names=@{ $Apache::response::itemgroup{'names'} }; } $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$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 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') { if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') { $text='\vskip 5mm $\triangleright$ '.$text; } my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval); if ($value ne 'unused') { my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); &Apache::lonxml::debug("Got a name of :$name:"); if (!$name) { &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{$name})) { &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",''.$name.'')); } $Apache::response::foilnames{$name}++; my $location =&Apache::lonxml::get_param('location',$parstack, $safeeval); if ( $Apache::matchresponse::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 insert_foil { return ' '; } 1; __END__