# The LearningOnline Network with CAPA
# mutliple choice style responses
#
# $Id: radiobuttonresponse.pm,v 1.39 2002/04/03 19:32:36 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/
#
# 2/21 Guy
package Apache::radiobuttonresponse;
use strict;
BEGIN {
&Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
}
sub start_radiobuttonresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
#when in a radiobutton response use these
&Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
push (@Apache::lonxml::namespace,'radiobuttonresponse');
my $id = &Apache::response::start_response($parstack,$safeeval);
if ($target eq 'meta') {
$result=&Apache::response::meta_package_write('radiobuttonresponse');
} elsif ($target eq 'edit' ) {
$result.=&Apache::edit::start_table($token).
'
'.&Apache::lonxml::description($token)." Delete:".
&Apache::edit::deletelist($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::end_row().&Apache::edit::start_spanning_row()."\n";
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'max');
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
} elsif ($target eq 'tex') {
$result .= '\begin{enumerate}';
}
return $result;
}
sub end_radiobuttonresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
if ($target eq 'tex') { $result .= '\end{enumerate}'; }
&Apache::response::end_response;
pop @Apache::lonxml::namespace;
&Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
return $result;
}
%Apache::response::foilgroup={};
sub start_foilgroup {
%Apache::response::foilgroup={};
$Apache::radiobuttonresponse::conceptgroup=0;
&Apache::response::setrandomnumber();
return '';
}
sub storesurvey {
if ( !defined($ENV{'form.submitted'})) { return ''; }
my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
&Apache::lonxml::debug("Here I am!:$response:");
if ( $response !~ /[0-9]+/) { return ''; }
my $id = $Apache::inputtags::response['-1'];
my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
my %responsehash;
$responsehash{$whichfoils[$response]}=$response;
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
&Apache::lonxml::debug("submitted a $response \n");
return '';
}
sub grade_response {
my ($max,$answer)=@_;
if (!defined($ENV{'form.submitted'})) { return; }
my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
if ( $response !~ /[0-9]+/) { return; }
my $part=$Apache::inputtags::part;
my $id = $Apache::inputtags::response['-1'];
my @whichfoils=&whichfoils($max,$answer);
my %responsehash;
$responsehash{$whichfoils[$response]}=$response;
my $responsestr=&Apache::lonnet::hash2str(%responsehash);
my %previous=&Apache::response::check_for_previous($responsestr,
$part,$id);
$Apache::lonhomework::results{"resource.$part.$id.submission"}=
$responsestr;
&Apache::lonxml::debug("submitted a $response \n");
my $ad;
if ($response == $answer) {
$ad='EXACT_ANS';
} else {
$ad='INCORRECT';
}
$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
&Apache::response::handle_previous(\%previous,$ad);
}
sub end_foilgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
my $style = $Apache::lonhomework::type;
if ( $style eq 'survey' ) {
if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
$result=&displayallfoils();
} elsif ( $target eq 'grade' ) {
$result=&storesurvey();
}
} else {
my $name;
my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
my $count=0;
# we will add in 1 of the true statements
if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
my $answer = int(rand ($count));
&Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
if ($target eq 'web' || $target eq 'tex') {
$result=&displayfoils($target,$max,$answer);
} elsif ($target eq 'answer' ) {
$result=&displayanswers($max,$answer);
} elsif ( $target eq 'grade') {
&grade_response($max,$answer);
}
}
}
return $result;
}
sub getfoilcounts {
my ($parstack,$safeeval)=@_;
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
my @names;
my $truecnt=0;
my $falsecnt=0;
my $name;
if ( $Apache::response::foilgroup{'names'} ) {
@names= @{ $Apache::response::foilgroup{'names'} };
}
foreach $name (@names) {
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
$truecnt++;
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
$falsecnt++;
}
}
return ($truecnt,$falsecnt,$max);
}
sub displayallfoils {
my $result;
&Apache::lonxml::debug("survey style display");
my @names = @{ $Apache::response::foilgroup{'names'} };
my $temp=0;
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);
&Apache::lonhomework::showhash(%lastresponse);
foreach my $name (@names) {
if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
$result.=" \n";
$temp++;
}
}
return $result;
}
sub whichfoils {
my ($max,$answer)=@_;
my @truelist;
my @falselist;
my @names;
if ( $Apache::response::foilgroup{'names'} ) {
@names= @{ $Apache::response::foilgroup{'names'} };
}
foreach my $name (@names) {
#result.="$name is $Apache::response::foilgroup{$name.'.value'} ";
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
push (@truelist,$name);
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
push (@falselist,$name);
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
} else {
&Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in ");
}
}
my $whichtrue = int(rand($#truelist+1));
&Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
my @whichfalse =();
while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
&Apache::lonxml::debug("Have $#whichfalse max is $max");
my $afalse=int(rand($#falselist+1));
&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
$afalse=splice(@falselist,$afalse,1);
&Apache::lonxml::debug("Picked $afalse");
push (@whichfalse,$afalse);
}
splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
&Apache::lonxml::debug("the true statement is $answer");
return @whichfalse;
}
sub displayfoils {
my ($target,$max,$answer)=@_;
my $result;
my @whichfoils=&whichfoils($max,$answer);
if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
foreach my $name (@whichfoils) {
if ($target ne 'tex') {
$result.=" ";
}
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
$result.='Correct';
} else {
$result.='Incorrect';
}
$result.=":".$Apache::response::foilgroup{$name.'.text'}."\n";
}
} else {
my $temp=0;
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);
foreach my $name (@whichfoils) {
if ($target ne 'tex') {
$result.=" \n";
} else {
$result .= $Apache::response::foilgroup{$name.'.text'};
}
$temp++;
}
}
if ($target ne 'tex') { $result.=" "; }
return $result;
}
sub displayanswers {
my ($max,$answer)=@_;
my @whichopt = &whichfoils($max,$answer);
my $result=&Apache::response::answer_header('radiobuttonresponse');
foreach my $name (@whichopt) {
$result.=&Apache::response::answer_part('radiobuttonresponse',
$Apache::response::foilgroup{$name.'.value'})
}
$result.=&Apache::response::answer_footer('radiobuttonresponse');
return $result;
}
sub start_conceptgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
$Apache::radiobuttonresponse::conceptgroup=1;
%Apache::response::conceptgroup={};
my $result;
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($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::radiobuttonresponse::conceptgroup=0;
my $result;
if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
my @names = @{ $Apache::response::conceptgroup{'names'} };
my $pick=int(rand($#names+1));
my $name=$names[$pick];
push @{ $Apache::response::foilgroup{'names'} }, $name;
$Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
$Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
$Apache::response::foilgroup{"$name.concept"} = $concept;
&Apache::lonxml::debug("Selecting $name in $concept");
}
} elsif ($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' || $target eq 'tex') {
&Apache::lonxml::startredirection;
if ($target eq 'tex') {
$result .= '\item ';
}
} elsif ($target eq 'edit') {
$result=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token);
$result.=&Apache::edit::select_arg('Correct Option:','value',
['unused','true','false'],$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');
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
}
return $result;
}
sub end_foil {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $text='';
if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
if ($value ne 'unused') {
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
if (!$name) { $name=$Apache::lonxml::curdepth; }
if ( $Apache::radiobuttonresponse::conceptgroup ) {
push @{ $Apache::response::conceptgroup{'names'} }, $name;
$Apache::response::conceptgroup{"$name.value"} = $value;
$Apache::response::conceptgroup{"$name.text"} = $text;
} else {
push @{ $Apache::response::foilgroup{'names'} }, $name;
$Apache::response::foilgroup{"$name.value"} = $value;
$Apache::response::foilgroup{"$name.text"} = $text;
}
}
}
return '';
}
sub insert_foil {
return '
';
}
1;
__END__