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[LON-CAPA] /
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matchresponse.pm
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1.55:
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Wed Jun 22 12:03:23 2005 UTC (19 years, 2 months ago) by
albertel
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- 0 is a valid name for a foil
# The LearningOnline Network with CAPA
# Full matching style response
#
# $Id: matchresponse.pm,v 1.55 2005/06/22 12:03:23 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::matchresponse;
use strict;
use HTML::Entities();
use Math::Random();
use Apache::optionresponse();
use Apache::lonlocal;
use Apache::lonnet;
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).
'<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
&Apache::edit::deletelist($target,$token)
."</td><td> ".&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";
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
}
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);
$result.=&Apache::edit::select_arg('Items Display Location:',
'location',
['top','bottom','left','right'],
$token);
$result.=&Apache::edit::select_arg('Items Display Directection:',
'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='<table>';
my $i=0;
if ($direction eq 'horizontal') { $table .='<tr>';}
foreach my $name (@names) {
if ($direction ne 'horizontal') { $table.='<tr>'; }
$table.='<td>'.$alphabet[$i].'</td><td>'.
$Apache::response::itemgroup{$name.'.text'}.'</td>';
if ($direction ne 'horizontal') { $table.='</tr>'; }
$i++;
}
if ($direction eq 'horizontal') { $table .='</tr>';}
$table.='</table>';
$Apache::matchresponse::itemtable{'display'}=$table;
} 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;
}
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.=&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 $result;
}
sub insert_item {
return '
<item name="">
<startouttext />
<endouttext />
</item>';
}
%Apache::response::foilgroup=();
sub start_foilgroup {
my ($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)
."<tr><td>Collection Of Foils</td><td>Delete:"
.&Apache::edit::deletelist($target,$token)
."</td><td> ".&Apache::edit::end_row()
.&Apache::edit::start_spanning_row()."\n";
}
return $result;
}
sub end_foilgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($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);
} 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));
} 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 $result=&Apache::response::answer_header('matchresponse');
my %name_letter_map;
if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
%name_letter_map=
%{ $Apache::response::itemgroup{'name_letter_map'} };
}
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 $value<br />\n");
if ($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.$id.numfoils"}=
scalar(@whichfoils);
}
}
}
sub itemdisplay {
my ($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 $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 {
$question.='<br /><b>'.$letter.':</b> '.$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') {
$optionlist="<option></option>\n";
} else {
if ($Apache::lonhomework::type ne 'exam') {
$optionlist='\framebox[5 mm][s]{\tiny\strut}';
}
}
my $option;
foreach $option (@used_letters) {
if ($option eq $last_letter) {
if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
} else {
if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
}
}
if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
$optionlist='<select name="HWVAL_'.
$Apache::inputtags::response[-1].':'.$temp.'">'.
$optionlist."</select>\n";
}
my $text=$Apache::response::foilgroup{$name.'.text'};
if ($target ne 'tex') {
if ($Apache::lonhomework::type ne 'exam') {
$question.="<br />\n".$optionlist.$text;
} else {
$question.="<br />\n".$text;
}
if ($Apache::lonhomework::type eq 'exam') {
my @blank;
$question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
}
} else {
if ($Apache::lonhomework::type eq 'exam') {
$question.=' '.$optionlist.$text."\n";
my @emptyItems = ();
for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
$question.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'\end{enumerate} \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 <br />
$question=~s|<br />||;
$result='<table><tr><td valign="top">'.$question.
'</td><td valign="top">'.$result.'</td></tr></table>';
} else {
my $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
my ($lefttabsize,$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);
}
$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 <br />
$question=~s|<br />||;
$result='<table><tr><td valign="top">'.$result.
'</td><td valign="top">'.$question.'</td></tr></table>';
} else {
my $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
my ($lefttabsize,$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);
}
$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 ne 'tex') {$result.="<br />";} else {$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<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'; }
$result.=&Apache::edit::text_arg('Name:','name',$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("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::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 '
<foil name="" value="unused">
<startouttext />
<endouttext />
</foil>';
}
1;
__END__
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