Annotation of loncom/homework/hint.pm, revision 1.26
1.21 albertel 1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
1.26 ! albertel 4: # $Id: hint.pm,v 1.25 2002/01/24 04:18:54 harris41 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);
1.26 ! albertel 100: $result.=&Apache::edit::end_row();
! 101: $result.=&Apache::edit::start_spanning_row();
1.20 albertel 102: } elsif ($target eq 'modified') {
103: my $constructtag=
104: &Apache::edit::get_new_args($token,$parstack,$safeeval,
105: 'name','answer','unit', 'format');
106: if ($constructtag) {
107: $result = &Apache::edit::rebuild_tag($token);
108: $result .= &Apache::edit::handle_insert();
109: }
110: }
111: return $result;
1.3 albertel 112: }
113:
114: sub end_numericalhint {
1.15 albertel 115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
116: my $result;
117: if ($target eq 'web') {
118: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
119: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.18 albertel 120: &Apache::response::setup_params('numericalhint');
121: my $partid=$Apache::inputtags::part;
122: my $id=$Apache::inputtags::response['-1'];
123: #id submissions occured under
124: my $submitid=$Apache::inputtags::response['-2'];
125: my $response = $Apache::lonhomework::history{
126: "resource.$partid.$submitid.submission"};
1.15 albertel 127: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
1.18 albertel 128: #build safe space expression
1.15 albertel 129: my $expression="&caparesponse_check_list('".$response."','".
1.18 albertel 130: $$parstack[$#$parstack];
131: #need to get all possible parms
132: foreach my $key (keys(%Apache::inputtags::params)) {
133: $expression.= ';my $'. #'
134: $key.'="'.$Apache::inputtags::params{$key}.'"';
135: }
136: $expression.="');";
1.15 albertel 137: $result = &Apache::run::run($expression,$safeeval);
138: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
139: my ($awards) = split /:/ , $result;
140: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
141: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
142: $result='';
1.17 albertel 143: } elsif ($target eq 'meta') {
144: $result=&Apache::response::meta_package_write('numericalhint');
1.20 albertel 145: } elsif ($target eq 'edit') {
146: $result.='</td></tr>'.&Apache::edit::end_table;
1.15 albertel 147: }
1.16 albertel 148: &Apache::response::end_hintresponse();
1.15 albertel 149: return $result;
1.1 albertel 150: }
151:
1.2 albertel 152: # a part shows if it is on, if no specific parts are on, then default shows
1.1 albertel 153: sub start_hintpart {
1.15 albertel 154: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
155:
156: my $show ='0';
1.20 albertel 157: my $result = '';
1.15 albertel 158: if ($target eq 'web') {
159: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
160: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
161: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
162: $show=1;
163: } else {
164: my $which;
165: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
166: }
167: if (!$show) {
168: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
1.1 albertel 169: }
1.15 albertel 170: } elsif ($target eq 'grade') {
171: &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
1.20 albertel 172: } elsif ($target eq 'edit') {
1.26 ! albertel 173: $result.= &Apache::edit::tag_start($target,$token);
! 174: $result.= &Apache::edit::text_arg('On:','on',$token);
! 175: $result.= &Apache::edit::end_row();
! 176: $result.= &Apache::edit::start_spanning_row();
1.20 albertel 177: } elsif ($target eq 'modified') {
178: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
179: 'on');
180: if ($constructtag) {
181: $result = &Apache::edit::rebuild_tag($token);
182: $result.=&Apache::edit::handle_insert();
183: }
1.15 albertel 184: }
1.20 albertel 185: return $result;
1.1 albertel 186: }
187:
188: sub end_hintpart {
1.20 albertel 189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
190: my $result;
191: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
192: return $result;
1.1 albertel 193: }
194:
195: 1;
196: __END__
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