1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
4: # $Id: hint.pm,v 1.47 2004/03/04 21:21:55 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 ($ENV{'request.state'} eq 'construct' &&
52: defined($Apache::inputtags::params{'hinttries'})) {
53: $hinttries=$Apache::inputtags::params{'hinttries'};
54: }
55:
56: if ( $hinttries eq '') { $hinttries = 1; }
57: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
58: my $gradestatus=$Apache::lonhomework::history{"resource.$id.solved"};
59: if ( $numtries < $hinttries || $gradestatus =~ /^correct/) {
60: &Apache::lonxml::get_all_text("/hintgroup",$parser);
61: }
62: &Apache::lonxml::startredirection;
63: } elsif ($target eq 'tex') {
64: $result .= '\keephidden{';
65: }
66: @Apache::hint::which=();
67: return $result;
68: }
69:
70: sub end_hintgroup {
71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: my $result;
73:
74: if ($target eq 'web') {
75: my $id=$Apache::inputtags::part;
76: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
77: if ( $numtries eq '') { $numtries = 0; }
78: my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
79: if ( $hinttries eq '') { $hinttries = 1; }
80: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
81: my $hinttext=&Apache::lonxml::endredirection;
82: if ($Apache::lonhomework::type ne 'exam' &&
83: $numtries >= $hinttries && $hinttext =~/\S/) {
84: $result='<table bgcolor="#dddddd"><tr><td>'.
85: $hinttext.'</td></tr></table>';
86: }
87: } elsif ($target eq 'edit') {
88: $result.=&Apache::edit::end_table();
89: } elsif ($target eq 'tex') {
90: $result .= '}';
91: }
92: @Apache::hint::which=();
93: return $result;
94: }
95:
96: sub start_numericalhint {
97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
98: #do everything in end, so intervening <responseparams> work
99: &Apache::response::start_hintresponse($parstack,$safeeval);
100: my $result;
101: if ($target eq 'edit') {
102: $result.=&Apache::edit::tag_start($target,$token);
103: $result.=&Apache::edit::text_arg('Name:','name',$token);
104: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
105: if ($token->[1] eq 'numericalhint') {
106: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
107: &Apache::loncommon::help_open_topic('Physical_Units');
108: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
109: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
110: } elsif ($token->[1] eq 'stringhint') {
111: $result.=&Apache::edit::select_arg('Type:','type',
112: [['cs','Case Sensitive'],['ci','Case Insensitive'],
113: ['mc','Case Insensitive, Any Order']],$token);
114: } elsif ($token->[1] eq 'formulahint') {
115: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
116: }
117: $result.=&Apache::edit::end_row();
118: $result.=&Apache::edit::start_spanning_row();
119: } elsif ($target eq 'modified') {
120: my $constructtag;
121: if ($token->[1] eq 'numericalhint') {
122: $constructtag=&Apache::edit::get_new_args($token,$parstack,
123: $safeeval,'name',
124: 'answer','unit','format');
125: } elsif ($token->[1] eq 'stringhint') {
126: $constructtag=&Apache::edit::get_new_args($token,$parstack,
127: $safeeval,'name','answer',
128: 'type');
129: } elsif ($token->[1] eq 'formulahint') {
130: $constructtag=&Apache::edit::get_new_args($token,$parstack,
131: $safeeval,'name','answer',
132: 'samples');
133: }
134: if ($constructtag) {
135: $result = &Apache::edit::rebuild_tag($token);
136: $result .= &Apache::edit::handle_insert();
137: }
138: } elsif ($target eq 'web') {
139: &Apache::response::reset_params();
140: }
141: return $result;
142: }
143:
144: sub end_numericalhint {
145: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
146: my $result;
147: if ($target eq 'web') {
148: if (!$Apache::lonxml::default_homework_loaded) {
149: &Apache::lonxml::default_homework_load($safeeval);
150: }
151: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
152: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
153: &Apache::response::setup_params('numericalhint');
154: my $partid=$Apache::inputtags::part;
155: my $id=$Apache::inputtags::response['-1'];
156: #id submissions occured under
157: my $submitid=$Apache::inputtags::response['-2'];
158: my $response = $Apache::lonhomework::history{
159: "resource.$partid.$submitid.submission"};
160: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
161: #build safe space expression
162: my $expression="&caparesponse_check_list('".$response."','".
163: $$parstack[$#$parstack];
164: #need to get all possible parms
165: foreach my $key (keys(%Apache::inputtags::params)) {
166: $expression.= ';my $'. #'
167: $key.'="'.$Apache::inputtags::params{$key}.'"';
168: }
169: if ($$tagstack[-1] eq 'formulahint') {
170: $expression.=';my $type="fml";';
171: } elsif ($$tagstack[-1] eq 'numericalhint') {
172: $expression.=';my $type="float";';
173: }
174: $expression.="');";
175: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
176: &Apache::lonxml::debug('answer is'.join(':',@answer));
177: @{$safeeval->varglob('CAPARESPONSE_CHECK_LIST_answer')}=@answer;
178:
179: $result = &Apache::run::run($expression,$safeeval);
180: &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
181: my ($awards) = split /:/ , $result;
182: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
183: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
184: $result='';
185: } elsif ($target eq 'meta') {
186: $result=&Apache::response::meta_package_write($token->[1]);
187: } elsif ($target eq 'edit') {
188: $result.='</td></tr>'.&Apache::edit::end_table;
189: }
190: &Apache::response::end_hintresponse();
191: return $result;
192: }
193:
194: sub start_stringhint {
195: return &start_numericalhint(@_);
196: }
197:
198: sub end_stringhint {
199: return &end_numericalhint(@_);
200: }
201:
202: sub start_formulahint {
203: return &start_numericalhint(@_);
204: }
205:
206: sub end_formulahint {
207: return end_numericalhint(@_);
208: }
209:
210: # a part shows if it is on, if no specific parts are on, then default shows
211: sub start_hintpart {
212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
213:
214: my $show ='0';
215: my $result = '';
216: if ($target eq 'web') {
217: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
218: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
219: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
220: $show=1;
221: } else {
222: my $which;
223: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
224: }
225: if (!$show) {
226: &Apache::lonxml::get_all_text("/hintpart",$parser);
227: }
228: } elsif ($target eq 'grade') {
229: &Apache::lonxml::get_all_text("/hintpart",$parser);
230: } elsif ($target eq 'edit') {
231: $result.= &Apache::edit::tag_start($target,$token);
232: $result.= &Apache::edit::text_arg('On:','on',$token);
233: $result.= &Apache::edit::end_row();
234: $result.= &Apache::edit::start_spanning_row();
235: } elsif ($target eq 'modified') {
236: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
237: $safeeval,'on');
238: if ($constructtag) {
239: $result = &Apache::edit::rebuild_tag($token);
240: $result.=&Apache::edit::handle_insert();
241: }
242: }
243: return $result;
244: }
245:
246: sub end_hintpart {
247: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
248: my $result;
249: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
250: return $result;
251: }
252:
253: sub start_optionhint {
254: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
255: my $result;
256: &Apache::response::start_hintresponse($parstack,$safeeval);
257: if ($target eq 'edit') {
258: $result.=&Apache::edit::tag_start($target,$token);
259: $result.=&Apache::edit::text_arg('Name:','name',$token);
260: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
261: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
262: } elsif ($target eq 'modified') {
263: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
264: $safeeval,'name',
265: 'answer','concept');
266: if ($constructtag) {
267: $result = &Apache::edit::rebuild_tag($token);
268: $result .= &Apache::edit::handle_insert();
269: }
270: } elsif ($target eq 'meta') {
271: $result=&Apache::response::meta_package_write('numericalhint');
272: }
273: return $result;
274: }
275:
276: sub end_optionhint {
277: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
278: my $result;
279: if ($target eq 'web') {
280: my ($foilmatch,$conceptmatch)=(-1,-1);
281: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
282: my $partid=$Apache::inputtags::part;
283: #id submissions occured under
284: my $submitid=$Apache::inputtags::response['-2'];
285: my $part_id="$partid.$submitid";
286: my %answer;
287: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
288: if ($answer) {
289: eval('%answer ='.$answer);
290: &Apache::lonhomework::showhash(%answer);
291: my $response = $Apache::lonhomework::history{
292: "resource.$part_id.submission"};
293: my %response=&Apache::lonnet::str2hash($response);
294: &Apache::lonhomework::showhash(%response);
295: foreach my $foil (keys(%answer)) {
296: $foilmatch=1;
297: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
298: }
299: }
300: my %concept;
301: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
302: if ( $constr ) { eval('%concept ='.$constr); }
303: my $response = $Apache::lonhomework::history{
304: "resource.$part_id.submissiongrading"};
305: my %response=&Apache::lonnet::str2hash($response);
306: foreach my $concept (keys(%concept)) {
307: my $compare;
308: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
309: $conceptmatch=1;
310: if (ref($Apache::hint::option{"$part_id.concepts"})) {
311: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
312: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
313: if ( exists($response{$foil}) &&
314: $response{$foil} ne $compare) {$conceptmatch=0;last;}
315: }
316: } else {
317: $conceptmatch=0;
318: }
319: if ($conceptmatch eq '0') { last; }
320: }
321: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
322: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
323: push(@Apache::hint::which,$name);
324: }
325: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
326: if ($target eq 'edit') { $result.=&Apache::edit::end_table; }
327: &Apache::response::end_hintresponse();
328: return $result;
329: }
330:
331: sub start_radiobuttonhint {
332: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
333: my $result;
334: &Apache::response::start_hintresponse($parstack,$safeeval);
335: if ($target eq 'edit') {
336: $result.=&Apache::edit::tag_start($target,$token);
337: $result.=&Apache::edit::text_arg('Name:','name',$token);
338: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
339: } elsif ($target eq 'modified') {
340: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
341: $safeeval,'name',
342: 'answer');
343: if ($constructtag) {
344: $result = &Apache::edit::rebuild_tag($token);
345: $result .= &Apache::edit::handle_insert();
346: }
347: } elsif ($target eq 'meta') {
348: $result=&Apache::response::meta_package_write('numericalhint');
349: }
350: return $result;
351: }
352:
353: sub end_radiobuttonhint {
354: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
355: my $result;
356: if ($target eq 'web') {
357: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
358: my @answer;
359: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
360: eval('@answer ='.$answer);
361: my $partid=$Apache::inputtags::part;
362: #id submissions occured under
363: my $submitid=$Apache::inputtags::response['-2'];
364: my $part_id="$partid.$submitid";
365: my $response = $Apache::lonhomework::history{
366: "resource.$part_id.submission"};
367: ($response)=&Apache::lonnet::str2hash($response);
368: &Apache::lonxml::debug("response is $response");
369:
370: if ($answer[0] eq 'foil') {
371: shift(@answer);
372: foreach my $answer (@answer) {
373: if ($response eq $answer) {
374: push (@Apache::hint::which,$name);
375: last;
376: }
377: }
378: } elsif ($answer[0] eq 'concept') {
379: shift(@answer);
380: foreach my $answer (@answer) {
381: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
382: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
383: if (grep(/^\Q$response\E$/,@names)) {
384: push(@Apache::hint::which,$name);
385: last;
386: }
387: }
388: }
389: }
390: } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; }
391: &Apache::response::end_hintresponse();
392: return $result;
393: }
394: 1;
395: __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