--- loncom/homework/hint.pm 2001/08/17 21:42:19 1.18
+++ loncom/homework/hint.pm 2006/03/07 22:42:47 1.62
@@ -1,129 +1,500 @@
+# The LearningOnline Network with CAPA
+# implements the tags that control the hints
+#
+# $Id: hint.pm,v 1.62 2006/03/07 22:42:47 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;
-sub BEGIN {
- &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
+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 $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
- if ( $hinttries eq '') { $hinttries = 1; }
- &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
- if ( $numtries < $hinttries ) {
- $skiptoend='1';
- } else {
- if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
- }
- }
- if ($skiptoend) {
- &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
- }
- @Apache::hint::which=();
- return $result;
+ 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,$style);
+ }
+ &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;
+ 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::lonnet::EXT("resource.$id.hinttries");
- if ( $hinttries eq '') { $hinttries = 1; }
- &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
- if ( $numtries => $hinttries ) {
- if ($target eq 'web') {$result='</td></tr></table>';}
- }
- }
- @Apache::hint::which='';
- return $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_row().&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);
- return '';
+ 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') {
- $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
- my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
- &Apache::response::setup_params('numericalhint');
- 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{
+ 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::hint[-1];
+ #id submissions occured under
+ my $submitid=$Apache::inputtags::response[-1];
+ 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.=&Apache::edit::end_row().&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::hint[-1];
+ #id submissions occured under
+ my $submitid=$Apache::inputtags::response[-1];
+ my $response = $Apache::lonhomework::history{
"resource.$partid.$submitid.submission"};
- &Apache::lonxml::debug("hintgroup is using $response<br />\n");
- #build safe space expression
- my $expression="&caparesponse_check_list('".$response."','".
- $$parstack[$#$parstack];
- #need to get all possible parms
- foreach my $key (keys(%Apache::inputtags::params)) {
- $expression.= ';my $'. #'
- $key.'="'.$Apache::inputtags::params{$key}.'"';
- }
- $expression.="');";
- $result = &Apache::run::run($expression,$safeeval);
- &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
- my ($awards) = split /:/ , $result;
- my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
- if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
- $result='';
- } elsif ($target eq 'meta') {
- $result=&Apache::response::meta_package_write('numericalhint');
- }
- &Apache::response::end_hintresponse();
- return $result;
+ &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)) {
+ $$args_ref{$key}=$Apache::inputtags::params{$key};
+ }
+ &Apache::lonxml::debug('answer is'.$answer);
+ @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
+
+ ($result,my @msgs)=&Apache::run::run("&caparesponse_check_list()",
+ $safeeval);
+ &Apache::lonxml::debug('msgs are'.join(':',@msgs));
+ &Apache::lonxml::debug("result:$result:$Apache::lonxml::curdepth");
+ my ($awards)=split(/:/,$result);
+ my (@awards) = split(/,/,$awards);
+ ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
+ }
+ if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
+ push (@Apache::hint::which,$name);
+ }
+ $result='';
+ } elsif ($target eq 'meta') {
+ $result=&Apache::response::meta_package_write($token->[1]);
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::end_row().&Apache::edit::end_table();
+ }
+ &Apache::response::end_hintresponse();
+ return $result;
}
# a part shows if it is on, if no specific parts are on, then default shows
sub start_hintpart {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-
- my $show ='0';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ($target eq 'web') {
- my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
- &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
- if ( $on eq 'default' && $#Apache::hint::which == '-1') {
- $show=1;
- } else {
- my $which;
- foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
- }
- if (!$show) {
- &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
- }
- } elsif ($target eq 'grade') {
- &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
- }
- return '';
+ 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",$parser,$style);
+ }
+ } elsif ($target eq 'grade') {
+ &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
+ } elsif ($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 $result;
}
sub end_hintpart {
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result;
+ if ($target eq 'edit') {
+ $result.=&Apache::edit::end_row().&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[-1];
+ my $part_id="$partid.$submitid";
+ my %answer;
+ my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
+ if ($answer) {
+ eval('%answer ='.$answer);
+ &Apache::lonxml::debug("answwer hash");
+ &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_row().&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[-1];
+ 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_row().&Apache::edit::end_table();
+ }
+ &Apache::response::end_hintresponse();
+ return $result;
+}
1;
__END__