File:
[LON-CAPA] /
loncom /
homework /
hint.pm
Revision
1.58:
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Mon Dec 6 19:48:22 2004 UTC (19 years, 4 months ago) by
albertel
Branches:
MAIN
CVS tags:
version_1_3_X,
version_1_3_3,
version_1_3_2,
version_1_3_1,
version_1_3_0,
version_1_2_X,
version_1_2_99_1,
HEAD
- BUG#3680, leaking info in showoncorrect="no"
# The LearningOnline Network with CAPA
# implements the tags that control the hints
#
# $Id: hint.pm,v 1.58 2004/12/06 19:48:22 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA me&aree 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::hinttags;
use strict;
use Apache::lonnet();
use capa;
use Apache::lonlocal;
BEGIN {
&Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint'));
}
@Apache::hint::which=();
sub start_hintgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $skiptoend='0';
my $result;
if ($target eq 'web') {
my $id=$Apache::inputtags::part;
my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
if ( $numtries eq '') { $numtries = 0; }
my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
my $gradestatus=
$Apache::lonhomework::history{"resource.$id.solved"};
my $showoncorrect=lc(&Apache::lonxml::get_param('showoncorrect',$parstack,$safeeval));
&Apache::lonxml::debug("onc orrect $showoncorrect, $gradestatus");
if ( ($showoncorrect ne 'yes' && &Apache::response::show_answer()) ||
( $numtries < $hinttries) ) {
&Apache::lonxml::debug("Grabbin all");
&Apache::lonxml::get_all_text("/hintgroup",$parser);
}
&Apache::lonxml::startredirection;
} elsif ($target eq 'tex') {
$result .= '\keephidden{';
} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::select_arg('Show hint even if problem Correct:','showoncorrect',[['no',&mt('No')],['yes',&mt('Yes')]],$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,'showoncorrect');
if ($constructtag) {
$result =&Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}
}
@Apache::hint::which=();
return $result;
}
sub end_hintgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web') {
my $id=$Apache::inputtags::part;
my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
if ( $numtries eq '') { $numtries = 0; }
my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
&Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
my $hinttext=&Apache::lonxml::endredirection;
if ($Apache::lonhomework::type ne 'exam' &&
$numtries >= $hinttries && $hinttext =~/\S/) {
$result='<table bgcolor="#dddddd"><tr><td>'.
$hinttext.'</td></tr></table>';
}
} elsif ($target eq 'edit') {
$result.=&Apache::edit::end_table();
} elsif ($target eq 'tex') {
$result .= '}';
}
@Apache::hint::which=();
return $result;
}
sub start_numericalhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
#do everything in end, so intervening <responseparams> work
&Apache::response::start_hintresponse($parstack,$safeeval);
my $result;
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
if ($token->[1] eq 'numericalhint') {
$result.=&Apache::edit::text_arg('Unit:','unit',$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 'stringhint') {
$result.=&Apache::edit::select_arg('Type:','type',
[['cs','Case Sensitive'],['ci','Case Insensitive'],
['mc','Case Insensitive, Any Order']],$token);
} elsif ($token->[1] eq 'formulahint') {
$result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
}
$result.=&Apache::edit::end_row();
$result.=&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
if ($token->[1] eq 'numericalhint') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name',
'answer','unit','format');
} elsif ($token->[1] eq 'stringhint') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name','answer',
'type');
} elsif ($token->[1] eq 'formulahint') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name','answer',
'samples');
}
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result .= &Apache::edit::handle_insert();
}
} elsif ($target eq 'web') {
&Apache::response::reset_params();
}
return $result;
}
sub end_numericalhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web') {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
&Apache::response::setup_params('numericalhint',$safeeval);
my $partid=$Apache::inputtags::part;
my $id=$Apache::inputtags::response['-1'];
#id submissions occured under
my $submitid=$Apache::inputtags::response['-2'];
my $response = $Apache::lonhomework::history{
"resource.$partid.$submitid.submission"};
&Apache::lonxml::debug("hintgroup is using $response<br />\n");
my $hideunit=&Apache::response::get_response_param($partid.'_'.$submitid,'turnoffunit');
my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
$$args_ref{'response'}=$response;
#need to get all possible parms
foreach my $arg ('type','tol','sig','ans_fmt','unit','calc',
'samples') {
$$args_ref{$arg}=
&Apache::lonxml::get_param($arg,$parstack,$safeeval);
}
foreach my $key (keys(%Apache::inputtags::params)) {
$$args_ref{$key}=$Apache::inputtags::params{$key};
}
if (lc($hideunit) eq "yes") { delete($$args_ref{'unit'}); }
if ($$tagstack[-1] eq 'formulahint') {
$$args_ref{'type'}='fml';
} elsif ($$tagstack[-1] eq 'numericalhint') {
$$args_ref{'type'}='float';
}
my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
&Apache::lonxml::debug('answer is'.join(':',@answer));
@{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
($result,my @msgs) = &Apache::run::run("&caparesponse_check_list()",
$safeeval);
&Apache::lonxml::debug('msgs are'.join(':',@msgs));
&Apache::lonxml::debug("result:$result:$Apache::lonxml::curdepth");
my ($awards)=split(/:/,$result);
my (@awards) = split(/,/,$awards);
my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
$result='';
} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write($token->[1]);
} elsif ($target eq 'edit') {
$result.='</td></tr>'.&Apache::edit::end_table;
}
&Apache::response::end_hintresponse();
return $result;
}
sub start_formulahint {
return &start_numericalhint(@_);
}
sub end_formulahint {
return &end_numericalhint(@_);
}
sub start_stringhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
#do everything in end, so intervening <responseparams> work
&Apache::response::start_hintresponse($parstack,$safeeval);
my $result;
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
$result.=&Apache::edit::select_arg('Type:','type',
[['cs','Case Sensitive'],['ci','Case Insensitive'],
['mc','Case Insensitive, Any Order'],
['re','Regular Expression']],$token);
$result.=&Apache::edit::end_row();
$result.=&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name','answer',
'type');
$result = &Apache::edit::rebuild_tag($token);
$result .= &Apache::edit::handle_insert();
} elsif ($target eq 'web') {
&Apache::response::reset_params();
}
return $result;
}
sub end_stringhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'web') {
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
&Apache::response::setup_params('stringhint',$safeeval);
my $partid=$Apache::inputtags::part;
my $id=$Apache::inputtags::response['-1'];
#id submissions occured under
my $submitid=$Apache::inputtags::response['-2'];
my $response = $Apache::lonhomework::history{
"resource.$partid.$submitid.submission"};
&Apache::lonxml::debug("hintgroup is using $response<br />\n");
my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
$$args_ref{'response'}=$response;
my $type=$$args_ref{'type'}=&Apache::lonxml::get_param('type',$parstack,$safeeval);
my ($ad,$msg);
if ($type eq 're' ) {
${$safeeval->varglob('LONCAPA::response')}=$response;
my $compare='=';
if ($answer=~/^\s*NOT\s*/) {
$answer=~s/^\s*NOT\s*//;
$compare='!';
}
my $test='$LONCAPA::response'.$compare.'~m'.$answer;
&Apache::lonxml::debug("test $test");
$result = &Apache::run::run("return $test",$safeeval);
&Apache::lonxml::debug("current $response");
&Apache::lonxml::debug("current $answer");
$ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
} else {
foreach my $key (keys(%Apache::inputtags::params)) {
$$args_ref{$key}=$Apache::inputtags::params{$key};
}
&Apache::lonxml::debug('answer is'.$answer);
@{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
($result,my @msgs)=&Apache::run::run("&caparesponse_check_list()",
$safeeval);
&Apache::lonxml::debug('msgs are'.join(':',@msgs));
&Apache::lonxml::debug("result:$result:$Apache::lonxml::curdepth");
my ($awards)=split(/:/,$result);
my (@awards) = split(/,/,$awards);
($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
}
if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
push (@Apache::hint::which,$name);
}
$result='';
} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write($token->[1]);
} elsif ($target eq 'edit') {
$result.='</td></tr>'.&Apache::edit::end_table;
}
&Apache::response::end_hintresponse();
return $result;
}
# a part shows if it is on, if no specific parts are on, then default shows
sub start_hintpart {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $show ='0';
my $result = '';
if ($target eq 'web') {
my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
&Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
if ( $on eq 'default' && $#Apache::hint::which == '-1') {
$show=1;
} else {
my $which;
foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
}
if (!$show) {
&Apache::lonxml::get_all_text("/hintpart",$parser);
}
} elsif ($target eq 'grade') {
&Apache::lonxml::get_all_text("/hintpart",$parser);
} elsif ($target eq 'edit') {
$result.= &Apache::edit::tag_start($target,$token);
$result.= &Apache::edit::text_arg('On:','on',$token);
$result.= &Apache::edit::end_row();
$result.= &Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'on');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}
}
return $result;
}
sub end_hintpart {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
return $result;
}
sub start_optionhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
&Apache::response::start_hintresponse($parstack,$safeeval);
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
$result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name',
'answer','concept');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result .= &Apache::edit::handle_insert();
}
} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write('numericalhint');
}
return $result;
}
sub end_optionhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if ($target eq 'web') {
my ($foilmatch,$conceptmatch)=(-1,-1);
my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
my $partid=$Apache::inputtags::part;
#id submissions occured under
my $submitid=$Apache::inputtags::response['-2'];
my $part_id="$partid.$submitid";
my %answer;
my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
if ($answer) {
eval('%answer ='.$answer);
&Apache::lonhomework::showhash(%answer);
my $response = $Apache::lonhomework::history{
"resource.$part_id.submission"};
my %response=&Apache::lonnet::str2hash($response);
&Apache::lonhomework::showhash(%response);
foreach my $foil (keys(%answer)) {
$foilmatch=1;
if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
}
}
my %concept;
my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
if ( $constr ) { eval('%concept ='.$constr); }
my $response = $Apache::lonhomework::history{
"resource.$part_id.submissiongrading"};
my %response=&Apache::lonnet::str2hash($response);
foreach my $concept (keys(%concept)) {
my $compare;
if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
$conceptmatch=1;
if (ref($Apache::hint::option{"$part_id.concepts"})) {
foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
&Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
if ( exists($response{$foil}) &&
$response{$foil} ne $compare) {$conceptmatch=0;last;}
}
} else {
$conceptmatch=0;
}
if ($conceptmatch eq '0') { last; }
}
if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
($foilmatch eq '-1' || $foilmatch eq '1') ) {
push(@Apache::hint::which,$name);
}
} elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
&Apache::response::end_hintresponse();
return $result;
}
sub start_radiobuttonhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
&Apache::response::start_hintresponse($parstack,$safeeval);
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Name:','name',$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'name',
'answer');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result .= &Apache::edit::handle_insert();
}
} elsif ($target eq 'meta') {
$result=&Apache::response::meta_package_write('numericalhint');
}
return $result;
}
sub end_radiobuttonhint {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
if ($target eq 'web') {
my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
my @answer;
my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
eval('@answer ='.$answer);
my $partid=$Apache::inputtags::part;
#id submissions occured under
my $submitid=$Apache::inputtags::response['-2'];
my $part_id="$partid.$submitid";
my $response = $Apache::lonhomework::history{
"resource.$part_id.submission"};
($response)=&Apache::lonnet::str2hash($response);
&Apache::lonxml::debug("response is $response");
if ($answer[0] eq 'foil') {
shift(@answer);
foreach my $answer (@answer) {
if ($response eq $answer) {
push (@Apache::hint::which,$name);
last;
}
}
} elsif ($answer[0] eq 'concept') {
shift(@answer);
foreach my $answer (@answer) {
if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
if (grep(/^\Q$response\E$/,@names)) {
push(@Apache::hint::which,$name);
last;
}
}
}
}
} elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
&Apache::response::end_hintresponse();
return $result;
}
1;
__END__
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