# The LearningOnline Network with CAPA
# caparesponse definition
#
# $Id: caparesponse.pm,v 1.121 2003/10/24 18:08:24 sakharuk 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::caparesponse;
use strict;
use capa;
BEGIN {
&Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
}
sub start_numericalresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $id = &Apache::response::start_response($parstack,$safeeval);
my $result;
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
$result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
$token);
if ($token->[1] eq 'numericalresponse') {
$result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
&Apache::loncommon::help_open_topic('Physical_Units');
$result.=&Apache::edit::text_arg('Format:','format',$token,4).
&Apache::loncommon::help_open_topic('Numerical_Response_Format');
} elsif ($token->[1] eq 'stringresponse') {
$result.=&Apache::edit::select_arg('Type:','type',
[['cs','Case Sensitive'],['ci','Case Insensitive'],
['mc','Case Insensitive, Any Order']],$token);
} elsif ($token->[1] eq 'formularesponse') {
$result.=&Apache::edit::text_arg('Sample Points:','samples',
$token,40).
&Apache::loncommon::help_open_topic('Formula_Response_Sampling');
}
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
if ($token->[1] eq 'numericalresponse') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'incorrect','unit',
'format');
} elsif ($token->[1] eq 'stringresponse') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'type');
} elsif ($token->[1] eq 'formularesponse') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'samples');
}
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}
} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write('numericalresponse');
} elsif ($target eq 'answer' || $target eq 'grade') {
&Apache::response::reset_params();
} elsif ($target eq 'web') {
my $partid = $Apache::inputtags::part;
my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
&Apache::lonxml::debug("Got unit $hideunit for $partid $id");
#no way to enter units, with radio buttons
if (lc($hideunit) eq "yes") {
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
if ($unit =~ /\S/) { $result.=" (in $unit) "; }
}
}
return $result;
}
sub end_numericalresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $increment=1;
my $result = '';
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
&Apache::response::setup_params($$tagstack[-1]);
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
my $partid = $Apache::inputtags::part;
my $id = $Apache::inputtags::response['-1'];
if ($Apache::lonhomework::type eq 'exam' &&
($$tagstack[-1] eq 'formularesponse' ||
$$tagstack[-1] eq 'stringresponse')) {
$increment=&Apache::response::scored_response($partid,$id);
} else {
my $response = &Apache::response::getresponse();
if ( $response =~ /[^\s]/) {
my $ad;
my %previous = &Apache::response::check_for_previous($response,$partid,$id);
&Apache::lonxml::debug("submitted a $response
\n");
&Apache::lonxml::debug($$parstack[-1] . "\n
");
if ($ENV{'form.submitted'} eq 'scantron') {
my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
if (!$number_of_bubbles) { $number_of_bubbles=8; }
my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
my @values=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect);
$response=$values[$response];
} else {
$response =~ s/\\/\\\\/g;
$response =~ s/\'/\\\'/g;
}
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
&Apache::lonxml::debug("current $response");
my $expression="&caparesponse_check_list('".$response."','".
$$parstack[-1];
my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
#no way to enter units, with radio buttons
if ($Apache::lonhomework::type eq 'exam' ||
lc($hideunit) eq "yes") {
$expression.=';my $unit=undef;';
}
foreach my $key (keys(%Apache::inputtags::params)) {
$expression.= ';my $'. #'
$key.'="'.$Apache::inputtags::params{$key}.'"';
}
if ($$tagstack[-1] eq 'formularesponse') {
$expression.=';my $type="fml";';
} elsif ($$tagstack[-1] eq 'numericalresponse') {
$expression.=';my $type="float";';
}
$expression.="');";
my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
&Apache::lonxml::debug('answer is'.join(':',@answer));
@{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
$result = &Apache::run::run($expression,$safeeval);
my ($awards) = split /:/ , $result;
($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
&Apache::lonxml::debug("$expression");
&Apache::lonxml::debug("\n
result:$result:$Apache::lonxml::curdepth
\n");
&Apache::response::handle_previous(\%previous,$ad);
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
$result='';
}
}
} elsif ($target eq 'web' || $target eq 'tex') {
my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
$safeeval);
my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
my $status = $Apache::inputtags::status['-1'];
if ( &Apache::response::show_answer() ) {
my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
$safeeval);
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
if ($target eq 'web') {
$result="
The correct answer is ";
}
for (my $i=0; $i <= $#answers; $i++) {
my $answer=$answers[$i];
my $format;
if ($#formats > 0) {
$format=$formats[$i];
} else {
$format=$formats[0];
}
my $formatted;
if ((defined($format)) && ($format ne '')) {
$format=~s/e/E/g;
&Apache::lonxml::debug("formatting with :$format: answer :$answer:");
$formatted=sprintf('%.'.$format,$answer).',';
} else {
&Apache::lonxml::debug("no format answer :$answer:");
$formatted="$answer,";
}
if ($target eq 'tex') {
$formatted='';
#$formatted=&Apache::lonxml::latex_special_symbols($formatted);
}
$result.=$formatted;
}
chop $result;
if ($target eq 'web') {
$result.=" $unit.
";
}
}
if ($Apache::lonhomework::type eq 'exam') {
my $partid=$Apache::inputtags::part;
my $id=$Apache::inputtags::response[-1];
my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
if (!$number_of_bubbles) { $number_of_bubbles=8; }
my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
$safeeval);
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
$target,$answers[0],
$formats[0],\@incorrect);
my @alphabet=('A'..'Z');
if ($target eq 'web') {
if ($$tagstack[-1] eq 'numericalresponse') {
if ($unit=~/\S/) {$result.=' (in '.$unit.')
';}
$result.= '
'.$alphabet[$ind].': '. $bubble_values[$ind].' | '; } $result.='