Annotation of loncom/homework/hint.pm, revision 1.25
1.21 albertel 1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
1.25 ! harris41 4: # $Id: hint.pm,v 1.24 2002/01/23 14:37:52 sakharuk Exp $
1.21 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
1.1 albertel 29: package Apache::hinttags;
30:
31: use strict;
32: use Apache::lonnet;
1.6 albertel 33: use capa;
1.1 albertel 34:
1.25 ! harris41 35: BEGIN {
1.15 albertel 36: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
1.1 albertel 37: }
38:
1.2 albertel 39:
1.15 albertel 40: @Apache::hint::which=();
1.1 albertel 41: sub start_hintgroup {
1.15 albertel 42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $skiptoend='0';
44: my $result;
1.20 albertel 45:
1.15 albertel 46: if ($target eq 'web') {
47: my $id=$Apache::inputtags::part;
48: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
49: if ( $numtries eq '') { $numtries = 0; }
50: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
51: if ( $hinttries eq '') { $hinttries = 1; }
52: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
53: if ( $numtries < $hinttries ) {
54: $skiptoend='1';
55: } else {
56: if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
1.9 albertel 57: }
1.20 albertel 58: if ($skiptoend) {
59: &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
60: }
1.24 sakharuk 61: } elsif ($target eq 'tex') {
62: $result .= '\noindent{\it Hint: }';
1.15 albertel 63: }
64: @Apache::hint::which=();
65: return $result;
1.1 albertel 66: }
67:
68: sub end_hintgroup {
1.15 albertel 69: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
70: my $result;
1.20 albertel 71:
1.15 albertel 72: if ($target eq 'web') {
73: my $id=$Apache::inputtags::part;
74: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
75: if ( $numtries eq '') { $numtries = 0; }
76: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
77: if ( $hinttries eq '') { $hinttries = 1; }
78: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
1.19 albertel 79: if ( $numtries >= $hinttries ) {
80: $result='</td></tr></table>';
81: }
1.20 albertel 82: } elsif ($target eq 'edit') {
83: $result.=&Apache::edit::end_table();
1.15 albertel 84: }
1.19 albertel 85: @Apache::hint::which=();
1.15 albertel 86: return $result;
1.3 albertel 87: }
88:
89: sub start_numericalhint {
1.16 albertel 90: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.15 albertel 91: #do everything in end, so intervening <responseparams> work
1.16 albertel 92: &Apache::response::start_hintresponse($parstack,$safeeval);
1.20 albertel 93: my $result;
94: if ($target eq 'edit') {
95: $result.=&Apache::edit::tag_start($target,$token);
96: $result.=&Apache::edit::text_arg('Name:','name',$token);
97: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
98: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);
99: $result.=&Apache::edit::text_arg('Format:','format',$token,4);
1.24 sakharuk 100: $result.='</td></tr><tr><td colspan="3">';
1.20 albertel 101: } elsif ($target eq 'modified') {
102: my $constructtag=
103: &Apache::edit::get_new_args($token,$parstack,$safeeval,
104: 'name','answer','unit', 'format');
105: if ($constructtag) {
106: $result = &Apache::edit::rebuild_tag($token);
107: $result .= &Apache::edit::handle_insert();
108: }
109: }
110: return $result;
1.3 albertel 111: }
112:
113: sub end_numericalhint {
1.15 albertel 114: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
115: my $result;
116: if ($target eq 'web') {
117: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
118: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.18 albertel 119: &Apache::response::setup_params('numericalhint');
120: my $partid=$Apache::inputtags::part;
121: my $id=$Apache::inputtags::response['-1'];
122: #id submissions occured under
123: my $submitid=$Apache::inputtags::response['-2'];
124: my $response = $Apache::lonhomework::history{
125: "resource.$partid.$submitid.submission"};
1.15 albertel 126: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.18 albertel 127: #build safe space expression
1.15 albertel 128: my $expression="&caparesponse_check_list('".$response."','".
1.18 albertel 129: $$parstack[$#$parstack];
130: #need to get all possible parms
131: foreach my $key (keys(%Apache::inputtags::params)) {
132: $expression.= ';my $'. #'
133: $key.'="'.$Apache::inputtags::params{$key}.'"';
134: }
135: $expression.="');";
1.15 albertel 136: $result = &Apache::run::run($expression,$safeeval);
137: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
138: my ($awards) = split /:/ , $result;
139: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
140: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
141: $result='';
1.17 albertel 142: } elsif ($target eq 'meta') {
143: $result=&Apache::response::meta_package_write('numericalhint');
1.20 albertel 144: } elsif ($target eq 'edit') {
145: $result.='</td></tr>'.&Apache::edit::end_table;
1.15 albertel 146: }
1.16 albertel 147: &Apache::response::end_hintresponse();
1.15 albertel 148: return $result;
1.1 albertel 149: }
150:
1.2 albertel 151: # a part shows if it is on, if no specific parts are on, then default shows
1.1 albertel 152: sub start_hintpart {
1.15 albertel 153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
154:
155: my $show ='0';
1.20 albertel 156: my $result = '';
1.15 albertel 157: if ($target eq 'web') {
158: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
159: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
160: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
161: $show=1;
162: } else {
163: my $which;
164: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
165: }
166: if (!$show) {
167: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
1.1 albertel 168: }
1.15 albertel 169: } elsif ($target eq 'grade') {
170: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
1.20 albertel 171: } elsif ($target eq 'edit') {
1.24 sakharuk 172: $result.= &Apache::edit::tag_start($target,$token,
173: &Apache::lonxml::description($token));
174: $result.= &Apache::edit::text_arg('On:','on',$token).'</td></tr><tr><td colspan="3">';
1.20 albertel 175: } elsif ($target eq 'modified') {
176: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
177: 'on');
178: if ($constructtag) {
179: $result = &Apache::edit::rebuild_tag($token);
180: $result.=&Apache::edit::handle_insert();
181: }
1.15 albertel 182: }
1.20 albertel 183: return $result;
1.1 albertel 184: }
185:
186: sub end_hintpart {
1.20 albertel 187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
188: my $result;
189: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
190: return $result;
1.1 albertel 191: }
192:
193: 1;
194: __END__
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