1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
4: # $Id: hint.pm,v 1.46 2004/01/07 21:01:17 albertel Exp $
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 me&aree 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:
29: package Apache::hinttags;
30:
31: use strict;
32: use Apache::lonnet;
33: use capa;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint'));
37: }
38:
39:
40: @Apache::hint::which=();
41: sub start_hintgroup {
42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $skiptoend='0';
44: my $result;
45:
46: if ($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: my $gradestatus=$Apache::lonhomework::history{"resource.$id.solved"};
54: if ( $numtries < $hinttries || $gradestatus =~ /^correct/) {
55: &Apache::lonxml::get_all_text("/hintgroup",$parser);
56: }
57: &Apache::lonxml::startredirection;
58: } elsif ($target eq 'tex') {
59: $result .= '\keephidden{';
60: }
61: @Apache::hint::which=();
62: return $result;
63: }
64:
65: sub end_hintgroup {
66: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
67: my $result;
68:
69: if ($target eq 'web') {
70: my $id=$Apache::inputtags::part;
71: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
72: if ( $numtries eq '') { $numtries = 0; }
73: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
74: if ( $hinttries eq '') { $hinttries = 1; }
75: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
76: my $hinttext=&Apache::lonxml::endredirection;
77: if ($Apache::lonhomework::type ne 'exam' &&
78: $numtries >= $hinttries && $hinttext =~/\S/) {
79: $result='<table bgcolor="#dddddd"><tr><td>'.
80: $hinttext.'</td></tr></table>';
81: }
82: } elsif ($target eq 'edit') {
83: $result.=&Apache::edit::end_table();
84: } elsif ($target eq 'tex') {
85: $result .= '}';
86: }
87: @Apache::hint::which=();
88: return $result;
89: }
90:
91: sub start_numericalhint {
92: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
93: #do everything in end, so intervening <responseparams> work
94: &Apache::response::start_hintresponse($parstack,$safeeval);
95: my $result;
96: if ($target eq 'edit') {
97: $result.=&Apache::edit::tag_start($target,$token);
98: $result.=&Apache::edit::text_arg('Name:','name',$token);
99: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
100: if ($token->[1] eq 'numericalhint') {
101: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
102: &Apache::loncommon::help_open_topic('Physical_Units');
103: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
104: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
105: } elsif ($token->[1] eq 'stringhint') {
106: $result.=&Apache::edit::select_arg('Type:','type',
107: [['cs','Case Sensitive'],['ci','Case Insensitive'],
108: ['mc','Case Insensitive, Any Order']],$token);
109: } elsif ($token->[1] eq 'formulahint') {
110: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
111: }
112: $result.=&Apache::edit::end_row();
113: $result.=&Apache::edit::start_spanning_row();
114: } elsif ($target eq 'modified') {
115: my $constructtag;
116: if ($token->[1] eq 'numericalhint') {
117: $constructtag=&Apache::edit::get_new_args($token,$parstack,
118: $safeeval,'name',
119: 'answer','unit','format');
120: } elsif ($token->[1] eq 'stringhint') {
121: $constructtag=&Apache::edit::get_new_args($token,$parstack,
122: $safeeval,'name','answer',
123: 'type');
124: } elsif ($token->[1] eq 'formulahint') {
125: $constructtag=&Apache::edit::get_new_args($token,$parstack,
126: $safeeval,'name','answer',
127: 'samples');
128: }
129: if ($constructtag) {
130: $result = &Apache::edit::rebuild_tag($token);
131: $result .= &Apache::edit::handle_insert();
132: }
133: } elsif ($target eq 'web') {
134: &Apache::response::reset_params();
135: }
136: return $result;
137: }
138:
139: sub end_numericalhint {
140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
141: my $result;
142: if ($target eq 'web') {
143: if (!$Apache::lonxml::default_homework_loaded) {
144: &Apache::lonxml::default_homework_load($safeeval);
145: }
146: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
147: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
148: &Apache::response::setup_params('numericalhint');
149: my $partid=$Apache::inputtags::part;
150: my $id=$Apache::inputtags::response['-1'];
151: #id submissions occured under
152: my $submitid=$Apache::inputtags::response['-2'];
153: my $response = $Apache::lonhomework::history{
154: "resource.$partid.$submitid.submission"};
155: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
156: #build safe space expression
157: my $expression="&caparesponse_check_list('".$response."','".
158: $$parstack[$#$parstack];
159: #need to get all possible parms
160: foreach my $key (keys(%Apache::inputtags::params)) {
161: $expression.= ';my $'. #'
162: $key.'="'.$Apache::inputtags::params{$key}.'"';
163: }
164: if ($$tagstack[-1] eq 'formulahint') {
165: $expression.=';my $type="fml";';
166: } elsif ($$tagstack[-1] eq 'numericalhint') {
167: $expression.=';my $type="float";';
168: }
169: $expression.="');";
170: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
171: &Apache::lonxml::debug('answer is'.join(':',@answer));
172: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
173:
174: $result = &Apache::run::run($expression,$safeeval);
175: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
176: my ($awards) = split /:/ , $result;
177: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
178: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
179: $result='';
180: } elsif ($target eq 'meta') {
181: $result=&Apache::response::meta_package_write($token->[1]);
182: } elsif ($target eq 'edit') {
183: $result.='</td></tr>'.&Apache::edit::end_table;
184: }
185: &Apache::response::end_hintresponse();
186: return $result;
187: }
188:
189: sub start_stringhint {
190: return &start_numericalhint(@_);
191: }
192:
193: sub end_stringhint {
194: return &end_numericalhint(@_);
195: }
196:
197: sub start_formulahint {
198: return &start_numericalhint(@_);
199: }
200:
201: sub end_formulahint {
202: return end_numericalhint(@_);
203: }
204:
205: # a part shows if it is on, if no specific parts are on, then default shows
206: sub start_hintpart {
207: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
208:
209: my $show ='0';
210: my $result = '';
211: if ($target eq 'web') {
212: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
213: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
214: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
215: $show=1;
216: } else {
217: my $which;
218: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
219: }
220: if (!$show) {
221: &Apache::lonxml::get_all_text("/hintpart",$parser);
222: }
223: } elsif ($target eq 'grade') {
224: &Apache::lonxml::get_all_text("/hintpart",$parser);
225: } elsif ($target eq 'edit') {
226: $result.= &Apache::edit::tag_start($target,$token);
227: $result.= &Apache::edit::text_arg('On:','on',$token);
228: $result.= &Apache::edit::end_row();
229: $result.= &Apache::edit::start_spanning_row();
230: } elsif ($target eq 'modified') {
231: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
232: $safeeval,'on');
233: if ($constructtag) {
234: $result = &Apache::edit::rebuild_tag($token);
235: $result.=&Apache::edit::handle_insert();
236: }
237: }
238: return $result;
239: }
240:
241: sub end_hintpart {
242: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
243: my $result;
244: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
245: return $result;
246: }
247:
248: sub start_optionhint {
249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
250: my $result;
251: &Apache::response::start_hintresponse($parstack,$safeeval);
252: if ($target eq 'edit') {
253: $result.=&Apache::edit::tag_start($target,$token);
254: $result.=&Apache::edit::text_arg('Name:','name',$token);
255: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
256: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
257: } elsif ($target eq 'modified') {
258: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
259: $safeeval,'name',
260: 'answer','concept');
261: if ($constructtag) {
262: $result = &Apache::edit::rebuild_tag($token);
263: $result .= &Apache::edit::handle_insert();
264: }
265: } elsif ($target eq 'meta') {
266: $result=&Apache::response::meta_package_write('numericalhint');
267: }
268: return $result;
269: }
270:
271: sub end_optionhint {
272: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
273: my $result;
274: if ($target eq 'web') {
275: my ($foilmatch,$conceptmatch)=(-1,-1);
276: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
277: my $partid=$Apache::inputtags::part;
278: #id submissions occured under
279: my $submitid=$Apache::inputtags::response['-2'];
280: my $part_id="$partid.$submitid";
281: my %answer;
282: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
283: if ($answer) {
284: eval('%answer ='.$answer);
285: &Apache::lonhomework::showhash(%answer);
286: my $response = $Apache::lonhomework::history{
287: "resource.$part_id.submission"};
288: my %response=&Apache::lonnet::str2hash($response);
289: &Apache::lonhomework::showhash(%response);
290: foreach my $foil (keys(%answer)) {
291: $foilmatch=1;
292: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
293: }
294: }
295: my %concept;
296: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
297: if ( $constr ) { eval('%concept ='.$constr); }
298: my $response = $Apache::lonhomework::history{
299: "resource.$part_id.submissiongrading"};
300: my %response=&Apache::lonnet::str2hash($response);
301: foreach my $concept (keys(%concept)) {
302: my $compare;
303: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
304: $conceptmatch=1;
305: if (ref($Apache::hint::option{"$part_id.concepts"})) {
306: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
307: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
308: if ( exists($response{$foil}) &&
309: $response{$foil} ne $compare) {$conceptmatch=0;last;}
310: }
311: } else {
312: $conceptmatch=0;
313: }
314: if ($conceptmatch eq '0') { last; }
315: }
316: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
317: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
318: push(@Apache::hint::which,$name);
319: }
320: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
321: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
322: &Apache::response::end_hintresponse();
323: return $result;
324: }
325:
326: sub start_radiobuttonhint {
327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
328: my $result;
329: &Apache::response::start_hintresponse($parstack,$safeeval);
330: if ($target eq 'edit') {
331: $result.=&Apache::edit::tag_start($target,$token);
332: $result.=&Apache::edit::text_arg('Name:','name',$token);
333: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
334: } elsif ($target eq 'modified') {
335: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
336: $safeeval,'name',
337: 'answer');
338: if ($constructtag) {
339: $result = &Apache::edit::rebuild_tag($token);
340: $result .= &Apache::edit::handle_insert();
341: }
342: } elsif ($target eq 'meta') {
343: $result=&Apache::response::meta_package_write('numericalhint');
344: }
345: return $result;
346: }
347:
348: sub end_radiobuttonhint {
349: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
350: my $result;
351: if ($target eq 'web') {
352: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
353: my @answer;
354: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
355: eval('@answer ='.$answer);
356: my $partid=$Apache::inputtags::part;
357: #id submissions occured under
358: my $submitid=$Apache::inputtags::response['-2'];
359: my $part_id="$partid.$submitid";
360: my $response = $Apache::lonhomework::history{
361: "resource.$part_id.submission"};
362: ($response)=&Apache::lonnet::str2hash($response);
363: &Apache::lonxml::debug("response is $response");
364:
365: if ($answer[0] eq 'foil') {
366: shift(@answer);
367: foreach my $answer (@answer) {
368: if ($response eq $answer) {
369: push (@Apache::hint::which,$name);
370: last;
371: }
372: }
373: } elsif ($answer[0] eq 'concept') {
374: shift(@answer);
375: foreach my $answer (@answer) {
376: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
377: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
378: if (grep(/^\Q$response\E$/,@names)) {
379: push(@Apache::hint::which,$name);
380: last;
381: }
382: }
383: }
384: }
385: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
386: &Apache::response::end_hintresponse();
387: return $result;
388: }
389: 1;
390: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to hint.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework