1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
4: # $Id: hint.pm,v 1.64 2006/12/18 21:37:47 www 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: use Apache::lonmaxima();
35: use Apache::response();
36: use Apache::lonlocal;
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint','mathhint','customhint'));
40: }
41:
42:
43: @Apache::hint::which=();
44: sub start_hintgroup {
45: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
46: my $skiptoend='0';
47: my $result;
48:
49: if ($target eq 'web') {
50: my $id=$Apache::inputtags::part;
51: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
52: if ( $numtries eq '') { $numtries = 0; }
53: my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
54: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
55: my $gradestatus=
56: $Apache::lonhomework::history{"resource.$id.solved"};
57: my $showoncorrect=lc(&Apache::lonxml::get_param('showoncorrect',$parstack,$safeeval));
58: &Apache::lonxml::debug("onc orrect $showoncorrect, $gradestatus");
59: if ( ($showoncorrect ne 'yes' && &Apache::response::show_answer()) ||
60: ( $numtries < $hinttries) ) {
61: &Apache::lonxml::debug("Grabbin all");
62: &Apache::lonxml::get_all_text("/hintgroup",$parser,$style);
63: }
64: &Apache::lonxml::startredirection;
65: } elsif ($target eq 'tex') {
66: $result .= '\keephidden{';
67: } elsif ($target eq 'edit') {
68: $result.=&Apache::edit::tag_start($target,$token);
69: $result.=&Apache::edit::select_arg('Show hint even if problem Correct:','showoncorrect',[['no',&mt('No')],['yes',&mt('Yes')]],$token);
70: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
71: } elsif ($target eq 'modified') {
72: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'showoncorrect');
73: if ($constructtag) {
74: $result =&Apache::edit::rebuild_tag($token);
75: $result.=&Apache::edit::handle_insert();
76: }
77: }
78: @Apache::hint::which=();
79: return $result;
80: }
81:
82: sub end_hintgroup {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84: my $result;
85:
86: if ($target eq 'web') {
87: my $id=$Apache::inputtags::part;
88: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
89: if ( $numtries eq '') { $numtries = 0; }
90: my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
91: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
92: my $hinttext=&Apache::lonxml::endredirection;
93: if ($Apache::lonhomework::type ne 'exam' &&
94: $numtries >= $hinttries && $hinttext =~/\S/) {
95: $result='<table bgcolor="#dddddd"><tr><td>'.
96: $hinttext.'</td></tr></table>';
97: }
98: } elsif ($target eq 'edit') {
99: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
100: } elsif ($target eq 'tex') {
101: $result .= '}';
102: }
103: @Apache::hint::which=();
104: return $result;
105: }
106:
107: sub start_numericalhint {
108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
109: #do everything in end, so intervening <responseparams> work
110: &Apache::response::start_hintresponse($parstack,$safeeval);
111: my $result;
112: if ($target eq 'edit') {
113: $result.=&Apache::edit::tag_start($target,$token);
114: $result.=&Apache::edit::text_arg('Name:','name',$token);
115: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
116: if ($token->[1] eq 'numericalhint') {
117: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
118: &Apache::loncommon::help_open_topic('Physical_Units');
119: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
120: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
121: } elsif ($token->[1] eq 'stringhint') {
122: $result.=&Apache::edit::select_arg('Type:','type',
123: [['cs','Case Sensitive'],['ci','Case Insensitive'],
124: ['mc','Case Insensitive, Any Order']],$token);
125: } elsif ($token->[1] eq 'formulahint') {
126: $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);
127: }
128: $result.=&Apache::edit::end_row();
129: $result.=&Apache::edit::start_spanning_row();
130: } elsif ($target eq 'modified') {
131: my $constructtag;
132: if ($token->[1] eq 'numericalhint') {
133: $constructtag=&Apache::edit::get_new_args($token,$parstack,
134: $safeeval,'name',
135: 'answer','unit','format');
136: } elsif ($token->[1] eq 'stringhint') {
137: $constructtag=&Apache::edit::get_new_args($token,$parstack,
138: $safeeval,'name','answer',
139: 'type');
140: } elsif ($token->[1] eq 'formulahint') {
141: $constructtag=&Apache::edit::get_new_args($token,$parstack,
142: $safeeval,'name','answer',
143: 'samples');
144: }
145: if ($constructtag) {
146: $result = &Apache::edit::rebuild_tag($token);
147: $result .= &Apache::edit::handle_insert();
148: }
149: } elsif ($target eq 'web') {
150: &Apache::response::reset_params();
151: }
152: return $result;
153: }
154:
155: sub end_numericalhint {
156: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
157: my $result;
158: if ($target eq 'web') {
159: if (!$Apache::lonxml::default_homework_loaded) {
160: &Apache::lonxml::default_homework_load($safeeval);
161: }
162: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
163: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
164: &Apache::response::setup_params('numericalhint',$safeeval);
165: my $partid=$Apache::inputtags::part;
166: my $id=$Apache::inputtags::hint[-1];
167: #id submissions occured under
168: my $submitid=$Apache::inputtags::response[-1];
169: my $response = $Apache::lonhomework::history{
170: "resource.$partid.$submitid.submission"};
171: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
172: my $hideunit=&Apache::response::get_response_param($partid.'_'.$submitid,'turnoffunit');
173: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
174: $$args_ref{'response'}=$response;
175: #need to get all possible parms
176: foreach my $arg ('type','tol','sig','ans_fmt','unit','calc',
177: 'samples') {
178: $$args_ref{$arg}=
179: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
180: }
181: foreach my $key (keys(%Apache::inputtags::params)) {
182: $$args_ref{$key}=$Apache::inputtags::params{$key};
183: }
184: if (lc($hideunit) eq "yes") { delete($$args_ref{'unit'}); }
185: if ($$tagstack[-1] eq 'formulahint') {
186: $$args_ref{'type'}='fml';
187: } elsif ($$tagstack[-1] eq 'numericalhint') {
188: $$args_ref{'type'}='float';
189: }
190: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
191: &Apache::lonxml::debug('answer is'.join(':',@answer));
192: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@answer;
193:
194: ($result,my @msgs) = &Apache::run::run("&caparesponse_check_list()",
195: $safeeval);
196: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
197: &Apache::lonxml::debug("result:$result:$Apache::lonxml::curdepth");
198: my ($awards)=split(/:/,$result);
199: my (@awards) = split(/,/,$awards);
200: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
201: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
202: $result='';
203: } elsif ($target eq 'meta') {
204: $result=&Apache::response::meta_package_write($token->[1]);
205: } elsif ($target eq 'edit') {
206: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
207: }
208: &Apache::response::end_hintresponse();
209: return $result;
210: }
211:
212: sub start_formulahint {
213: return &start_numericalhint(@_);
214: }
215:
216: sub end_formulahint {
217: return &end_numericalhint(@_);
218: }
219:
220: sub start_mathhint {
221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
222: #do everything in end, so intervening <responseparams> and <answer> work
223: &Apache::response::start_hintresponse($parstack,$safeeval);
224: &Apache::lonxml::register('Apache::response',('answer'));
225: my $result;
226: if ($target eq 'edit') {
227: $result.=&Apache::edit::tag_start($target,$token);
228: $result.=&Apache::edit::text_arg('Name:','name',$token);
229: $result.=&Apache::edit::select_arg('Algebra System:',
230: 'cas',
231: ['maxima'],
232: $token);
233: $result.=&Apache::edit::text_arg('Argument Array:',
234: 'args',$token);
235: $result.=&Apache::edit::end_row();
236: $result.=&Apache::edit::start_spanning_row();
237: } elsif ($target eq 'modified') {
238: my $constructtag;
239: $constructtag=&Apache::edit::get_new_args($token,$parstack,
240: $safeeval,'name','cas',
241: 'args');
242: $result = &Apache::edit::rebuild_tag($token);
243: $result .= &Apache::edit::handle_insert();
244: } elsif ($target eq 'web') {
245: &Apache::response::reset_params();
246: }
247: return $result;
248: }
249:
250: sub end_mathhint {
251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
252: my $result;
253: if ($target eq 'web') {
254: if (!$Apache::lonxml::default_homework_loaded) {
255: &Apache::lonxml::default_homework_load($safeeval);
256: }
257: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
258: &Apache::response::setup_params('mathhint',$safeeval);
259: my $partid=$Apache::inputtags::part;
260: my $submitid=$Apache::inputtags::response[-1];
261: my $response = $Apache::lonhomework::history{
262: "resource.$partid.$submitid.submission"};
263:
264: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
265: my $award;
266: if ($cas eq 'maxima') {
267: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
268: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);
269: }
270: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
271: push (@Apache::hint::which,$name);
272: }
273: $result='';
274: } elsif ($target eq 'meta') {
275: $result=&Apache::response::meta_package_write($token->[1]);
276: } elsif ($target eq 'edit') {
277: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
278: }
279: pop(@Apache::response::custom_answer);
280: pop(@Apache::response::custom_answer_type);
281: &Apache::response::end_hintresponse();
282: return $result;
283: }
284:
285: sub start_customhint {
286: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
287: #do everything in end, so intervening <responseparams> and <answer> work
288: &Apache::response::start_hintresponse($parstack,$safeeval);
289: &Apache::lonxml::register('Apache::response',('answer'));
290: my $result;
291: if ($target eq 'edit') {
292: $result.=&Apache::edit::tag_start($target,$token);
293: $result.=&Apache::edit::text_arg('Name:','name',$token);
294: $result.=&Apache::edit::end_row();
295: $result.=&Apache::edit::start_spanning_row();
296: } elsif ($target eq 'modified') {
297: my $constructtag;
298: $constructtag=&Apache::edit::get_new_args($token,$parstack,
299: $safeeval,'name');
300: $result = &Apache::edit::rebuild_tag($token);
301: $result .= &Apache::edit::handle_insert();
302: } elsif ($target eq 'web') {
303: &Apache::response::reset_params();
304: }
305: return $result;
306: }
307:
308: sub end_customhint {
309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
310: my $result;
311: if ($target eq 'web') {
312: if (!$Apache::lonxml::default_homework_loaded) {
313: &Apache::lonxml::default_homework_load($safeeval);
314: }
315: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
316: &Apache::response::setup_params('customhint',$safeeval);
317: my $partid=$Apache::inputtags::part;
318: my $submitid=$Apache::inputtags::response[-1];
319: my $response = $Apache::lonhomework::history{
320: "resource.$partid.$submitid.submission"};
321: my $award;
322: if ( $response =~ /[^\s]/ &&
323: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
324: if (!$Apache::lonxml::default_homework_loaded) {
325: &Apache::lonxml::default_homework_load($safeeval);
326: }
327: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
328: $response;
329:
330: $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
331: }
332: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
333: push (@Apache::hint::which,$name);
334: }
335: $result='';
336: } elsif ($target eq 'meta') {
337: $result=&Apache::response::meta_package_write($token->[1]);
338: } elsif ($target eq 'edit') {
339: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
340: }
341: pop(@Apache::response::custom_answer);
342: pop(@Apache::response::custom_answer_type);
343: &Apache::response::end_hintresponse();
344: return $result;
345: }
346:
347: sub start_stringhint {
348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
349: #do everything in end, so intervening <responseparams> work
350: &Apache::response::start_hintresponse($parstack,$safeeval);
351: my $result;
352: if ($target eq 'edit') {
353: $result.=&Apache::edit::tag_start($target,$token);
354: $result.=&Apache::edit::text_arg('Name:','name',$token);
355: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
356: $result.=&Apache::edit::select_arg('Type:','type',
357: [['cs','Case Sensitive'],['ci','Case Insensitive'],
358: ['mc','Case Insensitive, Any Order'],
359: ['re','Regular Expression']],$token);
360: $result.=&Apache::edit::end_row();
361: $result.=&Apache::edit::start_spanning_row();
362: } elsif ($target eq 'modified') {
363: my $constructtag;
364: $constructtag=&Apache::edit::get_new_args($token,$parstack,
365: $safeeval,'name','answer',
366: 'type');
367: $result = &Apache::edit::rebuild_tag($token);
368: $result .= &Apache::edit::handle_insert();
369: } elsif ($target eq 'web') {
370: &Apache::response::reset_params();
371: }
372: return $result;
373: }
374:
375: sub end_stringhint {
376: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
377: my $result;
378: if ($target eq 'web') {
379: if (!$Apache::lonxml::default_homework_loaded) {
380: &Apache::lonxml::default_homework_load($safeeval);
381: }
382: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
383: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
384: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
385: &Apache::response::setup_params('stringhint',$safeeval);
386: my $partid=$Apache::inputtags::part;
387: my $id=$Apache::inputtags::hint[-1];
388: #id submissions occured under
389: my $submitid=$Apache::inputtags::response[-1];
390: my $response = $Apache::lonhomework::history{
391: "resource.$partid.$submitid.submission"};
392: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
393: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
394: $$args_ref{'response'}=$response;
395: my $type=$$args_ref{'type'}=&Apache::lonxml::get_param('type',$parstack,$safeeval);
396: my ($ad,$msg);
397: if ($type eq 're' ) {
398: ${$safeeval->varglob('LONCAPA::response')}=$response;
399: my $compare='=';
400: if ($answer=~/^\s*NOT\s*/) {
401: $answer=~s/^\s*NOT\s*//;
402: $compare='!';
403: }
404: my $test='$LONCAPA::response'.$compare.'~m'.$answer;
405: &Apache::lonxml::debug("test $test");
406: $result = &Apache::run::run("return $test",$safeeval);
407: &Apache::lonxml::debug("current $response");
408: &Apache::lonxml::debug("current $answer");
409: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
410: } else {
411: foreach my $key (keys(%Apache::inputtags::params)) {
412: $$args_ref{$key}=$Apache::inputtags::params{$key};
413: }
414: &Apache::lonxml::debug('answer is'.$answer);
415: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
416:
417: ($result,my @msgs)=&Apache::run::run("&caparesponse_check_list()",
418: $safeeval);
419: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
420: &Apache::lonxml::debug("result:$result:$Apache::lonxml::curdepth");
421: my ($awards)=split(/:/,$result);
422: my (@awards) = split(/,/,$awards);
423: ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
424: }
425: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
426: push (@Apache::hint::which,$name);
427: }
428: $result='';
429: } elsif ($target eq 'meta') {
430: $result=&Apache::response::meta_package_write($token->[1]);
431: } elsif ($target eq 'edit') {
432: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
433: }
434: &Apache::response::end_hintresponse();
435: return $result;
436: }
437:
438: # a part shows if it is on, if no specific parts are on, then default shows
439: sub start_hintpart {
440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
441:
442: my $show ='0';
443: my $result = '';
444: if ($target eq 'web') {
445: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
446: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
447: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
448: $show=1;
449: } else {
450: my $which;
451: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
452: }
453: if (!$show) {
454: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
455: }
456: } elsif ($target eq 'grade') {
457: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
458: } elsif ($target eq 'edit') {
459: $result.= &Apache::edit::tag_start($target,$token);
460: $result.= &Apache::edit::text_arg('On:','on',$token);
461: $result.= &Apache::edit::end_row();
462: $result.= &Apache::edit::start_spanning_row();
463: } elsif ($target eq 'modified') {
464: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
465: $safeeval,'on');
466: if ($constructtag) {
467: $result = &Apache::edit::rebuild_tag($token);
468: $result.=&Apache::edit::handle_insert();
469: }
470: }
471: return $result;
472: }
473:
474: sub end_hintpart {
475: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
476: my $result;
477: if ($target eq 'edit') {
478: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
479: }
480: return $result;
481: }
482:
483: sub start_optionhint {
484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
485: my $result;
486: &Apache::response::start_hintresponse($parstack,$safeeval);
487: if ($target eq 'edit') {
488: $result.=&Apache::edit::tag_start($target,$token);
489: $result.=&Apache::edit::text_arg('Name:','name',$token);
490: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
491: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
492: } elsif ($target eq 'modified') {
493: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
494: $safeeval,'name',
495: 'answer','concept');
496: if ($constructtag) {
497: $result = &Apache::edit::rebuild_tag($token);
498: $result .= &Apache::edit::handle_insert();
499: }
500: } elsif ($target eq 'meta') {
501: $result=&Apache::response::meta_package_write('numericalhint');
502: }
503: return $result;
504: }
505:
506: sub end_optionhint {
507: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
508: my $result;
509: if ($target eq 'web') {
510: my ($foilmatch,$conceptmatch)=(-1,-1);
511: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
512: my $partid=$Apache::inputtags::part;
513: #id submissions occured under
514: my $submitid=$Apache::inputtags::response[-1];
515: my $part_id="$partid.$submitid";
516: my %answer;
517: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
518: if ($answer) {
519: eval('%answer ='.$answer);
520: &Apache::lonxml::debug("answwer hash");
521: &Apache::lonhomework::showhash(%answer);
522: my $response = $Apache::lonhomework::history{
523: "resource.$part_id.submission"};
524: my %response=&Apache::lonnet::str2hash($response);
525: &Apache::lonhomework::showhash(%response);
526: foreach my $foil (keys(%answer)) {
527: $foilmatch=1;
528: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
529: }
530: }
531: my %concept;
532: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
533: if ( $constr ) { eval('%concept ='.$constr); }
534: my $response = $Apache::lonhomework::history{
535: "resource.$part_id.submissiongrading"};
536: my %response=&Apache::lonnet::str2hash($response);
537: foreach my $concept (keys(%concept)) {
538: my $compare;
539: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
540: $conceptmatch=1;
541: if (ref($Apache::hint::option{"$part_id.concepts"})) {
542: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
543: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
544: if ( exists($response{$foil}) &&
545: $response{$foil} ne $compare) {$conceptmatch=0;last;}
546: }
547: } else {
548: $conceptmatch=0;
549: }
550: if ($conceptmatch eq '0') { last; }
551: }
552: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
553: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
554: push(@Apache::hint::which,$name);
555: }
556: } elsif ($target eq 'edit') {
557: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
558: }
559: &Apache::response::end_hintresponse();
560: return $result;
561: }
562:
563: sub start_radiobuttonhint {
564: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
565: my $result;
566: &Apache::response::start_hintresponse($parstack,$safeeval);
567: if ($target eq 'edit') {
568: $result.=&Apache::edit::tag_start($target,$token);
569: $result.=&Apache::edit::text_arg('Name:','name',$token);
570: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
571: } elsif ($target eq 'modified') {
572: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
573: $safeeval,'name',
574: 'answer');
575: if ($constructtag) {
576: $result = &Apache::edit::rebuild_tag($token);
577: $result .= &Apache::edit::handle_insert();
578: }
579: } elsif ($target eq 'meta') {
580: $result=&Apache::response::meta_package_write('numericalhint');
581: }
582: return $result;
583: }
584:
585: sub end_radiobuttonhint {
586: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
587: my $result;
588: if ($target eq 'web') {
589: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
590: my @answer;
591: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
592: eval('@answer ='.$answer);
593: my $partid=$Apache::inputtags::part;
594: #id submissions occured under
595: my $submitid=$Apache::inputtags::response[-1];
596: my $part_id="$partid.$submitid";
597: my $response = $Apache::lonhomework::history{
598: "resource.$part_id.submission"};
599: ($response)=&Apache::lonnet::str2hash($response);
600: &Apache::lonxml::debug("response is $response");
601:
602: if ($answer[0] eq 'foil') {
603: shift(@answer);
604: foreach my $answer (@answer) {
605: if ($response eq $answer) {
606: push (@Apache::hint::which,$name);
607: last;
608: }
609: }
610: } elsif ($answer[0] eq 'concept') {
611: shift(@answer);
612: foreach my $answer (@answer) {
613: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
614: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
615: if (grep(/^\Q$response\E$/,@names)) {
616: push(@Apache::hint::which,$name);
617: last;
618: }
619: }
620: }
621: }
622: } elsif ($target eq 'edit') {
623: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
624: }
625: &Apache::response::end_hintresponse();
626: return $result;
627: }
628: 1;
629: __END__
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