1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
4: # $Id: hint.pm,v 1.67 2006/12/19 14:53:17 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::caparesponse();
35: use Apache::lonmaxima();
36: use Apache::response();
37: use Apache::lonlocal;
38: use Storable qw(dclone);
39:
40: BEGIN {
41: &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint','stringhint','formulahint','optionhint','radiobuttonhint','mathhint','customhint'));
42: }
43:
44:
45: @Apache::hint::which=();
46: sub start_hintgroup {
47: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
48: my $skiptoend='0';
49: my $result;
50:
51: if ($target eq 'web') {
52: my $id=$Apache::inputtags::part;
53: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
54: if ( $numtries eq '') { $numtries = 0; }
55: my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
56: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
57: my $gradestatus=
58: $Apache::lonhomework::history{"resource.$id.solved"};
59: my $showoncorrect=lc(&Apache::lonxml::get_param('showoncorrect',$parstack,$safeeval));
60: &Apache::lonxml::debug("onc orrect $showoncorrect, $gradestatus");
61: if ( ($showoncorrect ne 'yes' && &Apache::response::show_answer()) ||
62: ( $numtries < $hinttries) ) {
63: &Apache::lonxml::debug("Grabbin all");
64: &Apache::lonxml::get_all_text("/hintgroup",$parser,$style);
65: }
66: &Apache::lonxml::startredirection;
67: } elsif ($target eq 'tex') {
68: $result .= '\keephidden{';
69: } elsif ($target eq 'edit') {
70: $result.=&Apache::edit::tag_start($target,$token);
71: $result.=&Apache::edit::select_arg('Show hint even if problem Correct:','showoncorrect',[['no',&mt('No')],['yes',&mt('Yes')]],$token);
72: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
73: } elsif ($target eq 'modified') {
74: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'showoncorrect');
75: if ($constructtag) {
76: $result =&Apache::edit::rebuild_tag($token);
77: $result.=&Apache::edit::handle_insert();
78: }
79: }
80: @Apache::hint::which=();
81: return $result;
82: }
83:
84: sub end_hintgroup {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
86: my $result;
87:
88: if ($target eq 'web') {
89: my $id=$Apache::inputtags::part;
90: my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
91: if ( $numtries eq '') { $numtries = 0; }
92: my $hinttries=&Apache::response::get_response_param($id,"hinttries",1);
93: &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
94: my $hinttext=&Apache::lonxml::endredirection;
95: if ($Apache::lonhomework::type ne 'exam' &&
96: $numtries >= $hinttries && $hinttext =~/\S/) {
97: $result='<table bgcolor="#dddddd"><tr><td>'.
98: $hinttext.'</td></tr></table>';
99: }
100: } elsif ($target eq 'edit') {
101: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
102: } elsif ($target eq 'tex') {
103: $result .= '}';
104: }
105: @Apache::hint::which=();
106: return $result;
107: }
108:
109: sub start_numericalhint {
110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
111: #do everything in end, so intervening <responseparams> work
112: &Apache::response::start_hintresponse($parstack,$safeeval);
113: &Apache::caparesponse::push_answer();
114: my $result;
115: if ($target eq 'edit') {
116: $result.=&Apache::edit::tag_start($target,$token);
117: $result.=&Apache::edit::text_arg('Name:','name',$token);
118: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
119: if ($token->[1] eq 'numericalhint') {
120: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
121: &Apache::loncommon::help_open_topic('Physical_Units');
122: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
123: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
124: } elsif ($token->[1] eq 'formulahint') {
125: $result.=&Apache::edit::text_arg('Sample Points:','samples',
126: $token,40).
127: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
128: }
129: $result.=&Apache::edit::end_row();
130: $result.=&Apache::edit::start_spanning_row();
131: } elsif ($target eq 'modified') {
132: my $constructtag;
133: if ($token->[1] eq 'numericalhint') {
134: $constructtag=&Apache::edit::get_new_args($token,$parstack,
135: $safeeval,'name',
136: 'answer','unit','format');
137: } elsif ($token->[1] eq 'formulahint') {
138: $constructtag=&Apache::edit::get_new_args($token,$parstack,
139: $safeeval,'name','answer',
140: 'samples');
141: }
142: if ($constructtag) {
143: $result = &Apache::edit::rebuild_tag($token);
144: $result .= &Apache::edit::handle_insert();
145: }
146: } elsif ($target eq 'web') {
147: &Apache::response::reset_params();
148: }
149: return $result;
150: }
151:
152: sub end_numericalhint {
153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
154: my $result;
155: if ($target eq 'web') {
156: if (!$Apache::lonxml::default_homework_loaded) {
157: &Apache::lonxml::default_homework_load($safeeval);
158: }
159: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
160: my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
161: &Apache::response::setup_params('numericalhint',$safeeval);
162:
163: my $partid=$Apache::inputtags::part;
164: my $id=$Apache::inputtags::hint[-1];
165: #id submissions occured under
166: my $submitid=$Apache::inputtags::response[-1];
167:
168: my $response = $Apache::lonhomework::history{
169: "resource.$partid.$submitid.submission"};
170: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
171:
172: my @args = ('type','tol','sig','ans_fmt','unit','calc','samples');
173: my $args_ref =
174: &Apache::caparesponse::setup_capa_args($safeeval,$parstack,
175: \@args,$response);
176:
177: my $hideunit=&Apache::response::get_response_param($partid.'_'.$submitid,'turnoffunit');
178: if (lc($hideunit) eq "yes") { delete($$args_ref{'unit'}); }
179:
180: if ($$tagstack[-1] eq 'formulahint') {
181: if ($$args_ref{'samples'}) {
182: $$args_ref{'type'}='fml';
183: } else {
184: $$args_ref{'type'}='math';
185: }
186: } elsif ($$tagstack[-1] eq 'numericalhint') {
187: $$args_ref{'type'}='float';
188: }
189: &Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
190: my %answer = &Apache::caparesponse::get_answer();
191: my (@final_awards,@final_msgs,@ans_names);
192: foreach my $ans_name (keys(%answer)) {
193: &Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
194:
195: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=
196: dclone($answer{$ans_name});
197: &Apache::caparesponse::setup_capa_response($args_ref,$response);
198: my ($result,@msgs) =
199: &Apache::run::run("&caparesponse_check_list()",$safeeval);
200: &Apache::lonxml::debug("checking $ans_name $result with $response");
201: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
202: my ($awards)=split(/:/,$result);
203: my @awards= split(/,/,$awards);
204: my ($ad, $msg) =
205: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
206: push(@final_awards,$ad);
207: push(@final_msgs,$msg);
208: push(@ans_names,$ans_name);
209: }
210: my ($ad, $msg, $ans_name) =
211: &Apache::inputtags::finalizeawards(\@final_awards,
212: \@final_msgs,
213: \@ans_names,1);
214: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
215: push(@Apache::hint::which,$hint_name);
216: }
217: $result='';
218: } elsif ($target eq 'meta') {
219: $result=&Apache::response::meta_package_write($token->[1]);
220: } elsif ($target eq 'edit') {
221: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
222: }
223: &Apache::caparesponse::pop_answer();
224: &Apache::response::end_hintresponse();
225: return $result;
226: }
227:
228: sub start_formulahint {
229: return &start_numericalhint(@_);
230: }
231:
232: sub end_formulahint {
233: return &end_numericalhint(@_);
234: }
235:
236: sub start_mathhint {
237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
238: #do everything in end, so intervening <responseparams> and <answer> work
239: &Apache::response::start_hintresponse($parstack,$safeeval);
240: &Apache::lonxml::register('Apache::response',('answer'));
241: my $result;
242: if ($target eq 'edit') {
243: $result.=&Apache::edit::tag_start($target,$token);
244: $result.=&Apache::edit::text_arg('Name:','name',$token);
245: $result.=&Apache::edit::select_arg('Algebra System:',
246: 'cas',
247: ['maxima'],
248: $token);
249: $result.=&Apache::edit::text_arg('Argument Array:',
250: 'args',$token);
251: $result.=&Apache::edit::end_row();
252: $result.=&Apache::edit::start_spanning_row();
253: } elsif ($target eq 'modified') {
254: my $constructtag;
255: $constructtag=&Apache::edit::get_new_args($token,$parstack,
256: $safeeval,'name','cas',
257: 'args');
258: $result = &Apache::edit::rebuild_tag($token);
259: $result .= &Apache::edit::handle_insert();
260: } elsif ($target eq 'web') {
261: &Apache::response::reset_params();
262: }
263: return $result;
264: }
265:
266: sub end_mathhint {
267: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
268: my $result;
269: if ($target eq 'web') {
270: if (!$Apache::lonxml::default_homework_loaded) {
271: &Apache::lonxml::default_homework_load($safeeval);
272: }
273: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
274: &Apache::response::setup_params('mathhint',$safeeval);
275: my $partid=$Apache::inputtags::part;
276: my $submitid=$Apache::inputtags::response[-1];
277: my $response = $Apache::lonhomework::history{
278: "resource.$partid.$submitid.submission"};
279:
280: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
281: my $award;
282: if ($cas eq 'maxima') {
283: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
284: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);
285: }
286: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
287: push (@Apache::hint::which,$name);
288: }
289: $result='';
290: } elsif ($target eq 'meta') {
291: $result=&Apache::response::meta_package_write($token->[1]);
292: } elsif ($target eq 'edit') {
293: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
294: }
295: pop(@Apache::response::custom_answer);
296: pop(@Apache::response::custom_answer_type);
297: &Apache::response::end_hintresponse();
298: return $result;
299: }
300:
301: sub start_customhint {
302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
303: #do everything in end, so intervening <responseparams> and <answer> work
304: &Apache::response::start_hintresponse($parstack,$safeeval);
305: &Apache::lonxml::register('Apache::response',('answer'));
306: my $result;
307: if ($target eq 'edit') {
308: $result.=&Apache::edit::tag_start($target,$token);
309: $result.=&Apache::edit::text_arg('Name:','name',$token);
310: $result.=&Apache::edit::end_row();
311: $result.=&Apache::edit::start_spanning_row();
312: } elsif ($target eq 'modified') {
313: my $constructtag;
314: $constructtag=&Apache::edit::get_new_args($token,$parstack,
315: $safeeval,'name');
316: $result = &Apache::edit::rebuild_tag($token);
317: $result .= &Apache::edit::handle_insert();
318: } elsif ($target eq 'web') {
319: &Apache::response::reset_params();
320: }
321: return $result;
322: }
323:
324: sub end_customhint {
325: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
326: my $result;
327: if ($target eq 'web') {
328: if (!$Apache::lonxml::default_homework_loaded) {
329: &Apache::lonxml::default_homework_load($safeeval);
330: }
331: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
332: &Apache::response::setup_params('customhint',$safeeval);
333: my $partid=$Apache::inputtags::part;
334: my $submitid=$Apache::inputtags::response[-1];
335: my $response = $Apache::lonhomework::history{
336: "resource.$partid.$submitid.submission"};
337: my $award;
338: if ( $response =~ /[^\s]/ &&
339: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
340: if (!$Apache::lonxml::default_homework_loaded) {
341: &Apache::lonxml::default_homework_load($safeeval);
342: }
343: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
344: $response;
345:
346: $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
347: }
348: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
349: push (@Apache::hint::which,$name);
350: }
351: $result='';
352: } elsif ($target eq 'meta') {
353: $result=&Apache::response::meta_package_write($token->[1]);
354: } elsif ($target eq 'edit') {
355: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
356: }
357: pop(@Apache::response::custom_answer);
358: pop(@Apache::response::custom_answer_type);
359: &Apache::response::end_hintresponse();
360: return $result;
361: }
362:
363: sub start_stringhint {
364: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
365: #do everything in end, so intervening <responseparams> work
366: &Apache::response::start_hintresponse($parstack,$safeeval);
367: my $result;
368: if ($target eq 'edit') {
369: $result.=&Apache::edit::tag_start($target,$token);
370: $result.=&Apache::edit::text_arg('Name:','name',$token);
371: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
372: $result.=&Apache::edit::select_arg('Type:','type',
373: [['cs','Case Sensitive'],['ci','Case Insensitive'],
374: ['mc','Case Insensitive, Any Order'],
375: ['re','Regular Expression']],$token);
376: $result.=&Apache::edit::end_row();
377: $result.=&Apache::edit::start_spanning_row();
378: } elsif ($target eq 'modified') {
379: my $constructtag;
380: $constructtag=&Apache::edit::get_new_args($token,$parstack,
381: $safeeval,'name','answer',
382: 'type');
383: $result = &Apache::edit::rebuild_tag($token);
384: $result .= &Apache::edit::handle_insert();
385: } elsif ($target eq 'web') {
386: &Apache::response::reset_params();
387: }
388: return $result;
389: }
390:
391: sub end_stringhint {
392: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
393: my $result;
394: if ($target eq 'web') {
395: if (!$Apache::lonxml::default_homework_loaded) {
396: &Apache::lonxml::default_homework_load($safeeval);
397: }
398: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
399: my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
400: &Apache::response::setup_params('stringhint',$safeeval);
401: my $partid=$Apache::inputtags::part;
402: my $id=$Apache::inputtags::hint[-1];
403: #id submissions occured under
404: my $submitid=$Apache::inputtags::response[-1];
405: my $response = $Apache::lonhomework::history{
406: "resource.$partid.$submitid.submission"};
407: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
408: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
409: my ($ad,$msg);
410: if ($type eq 're' ) {
411: my $answer=&Apache::lonxml::get_param('answer',$parstack,
412: $safeeval);
413: ${$safeeval->varglob('LONCAPA::response')}=$response;
414: my $compare='=';
415: if ($answer=~/^\s*NOT\s*/) {
416: $answer=~s/^\s*NOT\s*//;
417: $compare='!';
418: }
419: my $test='$LONCAPA::response'.$compare.'~m'.$answer;
420: &Apache::lonxml::debug("test $test");
421: $result = &Apache::run::run("return $test",$safeeval);
422: &Apache::lonxml::debug("current $response");
423: &Apache::lonxml::debug("current $answer");
424: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
425: } else {
426: my @args = ('type');
427: my $args_ref =
428: &Apache::caparesponse::setup_capa_args($safeeval,$parstack,
429: \@args,$response);
430: &Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
431: my (@final_awards,@final_msgs,@ans_names);
432: my %answer = &Apache::caparesponse::get_answer();
433: foreach my $ans_name (keys(%answer)) {
434: &Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
435: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$ans_name});
436: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
437: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
438: my ($awards) = split(/:/,$result);
439: my (@awards) = split(/,/,$awards);
440: ($ad,$msg) =
441: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
442: push(@final_awards,$ad);
443: push(@final_msgs,$msg);
444: push(@ans_names,$ans_name);
445: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
446: }
447: my ($ad, $msg, $ans_name) =
448: &Apache::inputtags::finalizeawards(\@final_awards,
449: \@final_msgs,
450: \@ans_names,1);
451: }
452: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
453: push(@Apache::hint::which,$hint_name);
454: }
455: $result='';
456: } elsif ($target eq 'meta') {
457: $result=&Apache::response::meta_package_write($token->[1]);
458: } elsif ($target eq 'edit') {
459: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
460: }
461: &Apache::response::end_hintresponse();
462: return $result;
463: }
464:
465: # a part shows if it is on, if no specific parts are on, then default shows
466: sub start_hintpart {
467: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
468:
469: my $show ='0';
470: my $result = '';
471: if ($target eq 'web') {
472: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
473: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
474: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
475: $show=1;
476: } else {
477: my $which;
478: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
479: }
480: if (!$show) {
481: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
482: }
483: } elsif ($target eq 'grade') {
484: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
485: } elsif ($target eq 'edit') {
486: $result.= &Apache::edit::tag_start($target,$token);
487: $result.= &Apache::edit::text_arg('On:','on',$token);
488: $result.= &Apache::edit::end_row();
489: $result.= &Apache::edit::start_spanning_row();
490: } elsif ($target eq 'modified') {
491: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
492: $safeeval,'on');
493: if ($constructtag) {
494: $result = &Apache::edit::rebuild_tag($token);
495: $result.=&Apache::edit::handle_insert();
496: }
497: }
498: return $result;
499: }
500:
501: sub end_hintpart {
502: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
503: my $result;
504: if ($target eq 'edit') {
505: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
506: }
507: return $result;
508: }
509:
510: sub start_optionhint {
511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
512: my $result;
513: &Apache::response::start_hintresponse($parstack,$safeeval);
514: if ($target eq 'edit') {
515: $result.=&Apache::edit::tag_start($target,$token);
516: $result.=&Apache::edit::text_arg('Name:','name',$token);
517: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
518: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
519: } elsif ($target eq 'modified') {
520: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
521: $safeeval,'name',
522: 'answer','concept');
523: if ($constructtag) {
524: $result = &Apache::edit::rebuild_tag($token);
525: $result .= &Apache::edit::handle_insert();
526: }
527: } elsif ($target eq 'meta') {
528: $result=&Apache::response::meta_package_write('numericalhint');
529: }
530: return $result;
531: }
532:
533: sub end_optionhint {
534: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
535: my $result;
536: if ($target eq 'web') {
537: my ($foilmatch,$conceptmatch)=(-1,-1);
538: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
539: my $partid=$Apache::inputtags::part;
540: #id submissions occured under
541: my $submitid=$Apache::inputtags::response[-1];
542: my $part_id="$partid.$submitid";
543: my %answer;
544: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
545: if ($answer) {
546: eval('%answer ='.$answer);
547: &Apache::lonxml::debug("answwer hash");
548: &Apache::lonhomework::showhash(%answer);
549: my $response = $Apache::lonhomework::history{
550: "resource.$part_id.submission"};
551: my %response=&Apache::lonnet::str2hash($response);
552: &Apache::lonhomework::showhash(%response);
553: foreach my $foil (keys(%answer)) {
554: $foilmatch=1;
555: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
556: }
557: }
558: my %concept;
559: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
560: if ( $constr ) { eval('%concept ='.$constr); }
561: my $response = $Apache::lonhomework::history{
562: "resource.$part_id.submissiongrading"};
563: my %response=&Apache::lonnet::str2hash($response);
564: foreach my $concept (keys(%concept)) {
565: my $compare;
566: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
567: $conceptmatch=1;
568: if (ref($Apache::hint::option{"$part_id.concepts"})) {
569: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
570: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
571: if ( exists($response{$foil}) &&
572: $response{$foil} ne $compare) {$conceptmatch=0;last;}
573: }
574: } else {
575: $conceptmatch=0;
576: }
577: if ($conceptmatch eq '0') { last; }
578: }
579: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
580: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
581: push(@Apache::hint::which,$name);
582: }
583: } elsif ($target eq 'edit') {
584: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
585: }
586: &Apache::response::end_hintresponse();
587: return $result;
588: }
589:
590: sub start_radiobuttonhint {
591: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
592: my $result;
593: &Apache::response::start_hintresponse($parstack,$safeeval);
594: if ($target eq 'edit') {
595: $result.=&Apache::edit::tag_start($target,$token);
596: $result.=&Apache::edit::text_arg('Name:','name',$token);
597: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
598: } elsif ($target eq 'modified') {
599: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
600: $safeeval,'name',
601: 'answer');
602: if ($constructtag) {
603: $result = &Apache::edit::rebuild_tag($token);
604: $result .= &Apache::edit::handle_insert();
605: }
606: } elsif ($target eq 'meta') {
607: $result=&Apache::response::meta_package_write('numericalhint');
608: }
609: return $result;
610: }
611:
612: sub end_radiobuttonhint {
613: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
614: my $result;
615: if ($target eq 'web') {
616: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
617: my @answer;
618: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
619: eval('@answer ='.$answer);
620: my $partid=$Apache::inputtags::part;
621: #id submissions occured under
622: my $submitid=$Apache::inputtags::response[-1];
623: my $part_id="$partid.$submitid";
624: my $response = $Apache::lonhomework::history{
625: "resource.$part_id.submission"};
626: ($response)=&Apache::lonnet::str2hash($response);
627: &Apache::lonxml::debug("response is $response");
628:
629: if ($answer[0] eq 'foil') {
630: shift(@answer);
631: foreach my $answer (@answer) {
632: if ($response eq $answer) {
633: push (@Apache::hint::which,$name);
634: last;
635: }
636: }
637: } elsif ($answer[0] eq 'concept') {
638: shift(@answer);
639: foreach my $answer (@answer) {
640: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
641: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
642: if (grep(/^\Q$response\E$/,@names)) {
643: push(@Apache::hint::which,$name);
644: last;
645: }
646: }
647: }
648: }
649: } elsif ($target eq 'edit') {
650: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
651: }
652: &Apache::response::end_hintresponse();
653: return $result;
654: }
655: 1;
656: __END__
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