1: # The LearningOnline Network with CAPA
2: # implements the tags that control the hints
3: #
4: # $Id: hint.pm,v 1.65 2006/12/19 00:40:38 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: 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: my $result;
114: if ($target eq 'edit') {
115: $result.=&Apache::edit::tag_start($target,$token);
116: $result.=&Apache::edit::text_arg('Name:','name',$token);
117: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
118: if ($token->[1] eq 'numericalhint') {
119: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
120: &Apache::loncommon::help_open_topic('Physical_Units');
121: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
122: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
123: } elsif ($token->[1] eq 'formulahint') {
124: $result.=&Apache::edit::text_arg('Sample Points:','samples',
125: $token,40).
126: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
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 'formulahint') {
137: $constructtag=&Apache::edit::get_new_args($token,$parstack,
138: $safeeval,'name','answer',
139: 'samples');
140: }
141: if ($constructtag) {
142: $result = &Apache::edit::rebuild_tag($token);
143: $result .= &Apache::edit::handle_insert();
144: }
145: } elsif ($target eq 'web') {
146: &Apache::response::reset_params();
147: }
148: return $result;
149: }
150:
151: sub end_numericalhint {
152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
153: my $result;
154: if ($target eq 'web') {
155: if (!$Apache::lonxml::default_homework_loaded) {
156: &Apache::lonxml::default_homework_load($safeeval);
157: }
158: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
159: my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
160: &Apache::response::setup_params('numericalhint',$safeeval);
161:
162: my $partid=$Apache::inputtags::part;
163: my $id=$Apache::inputtags::hint[-1];
164: #id submissions occured under
165: my $submitid=$Apache::inputtags::response[-1];
166:
167: my $response = $Apache::lonhomework::history{
168: "resource.$partid.$submitid.submission"};
169: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
170:
171: my @args = ('type','tol','sig','ans_fmt','unit','calc','samples');
172: my $args_ref =
173: &Apache::caparesponse::setup_capa_args($safeeval,$parstack,
174: \@args,$response);
175:
176: my $hideunit=&Apache::response::get_response_param($partid.'_'.$submitid,'turnoffunit');
177: if (lc($hideunit) eq "yes") { delete($$args_ref{'unit'}); }
178:
179: if ($$tagstack[-1] eq 'formulahint') {
180: $$args_ref{'type'}='fml';
181: } elsif ($$tagstack[-1] eq 'numericalhint') {
182: $$args_ref{'type'}='float';
183: }
184: &Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
185: my %answer = &Apache::caparesponse::get_answer();
186: my (@final_awards,@final_msgs,@ans_names);
187: foreach my $ans_name (keys(%answer)) {
188: &Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
189:
190: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=
191: dclone($answer{$ans_name});
192: &Apache::caparesponse::setup_capa_response($args_ref,$response);
193: my ($result,@msgs) =
194: &Apache::run::run("&caparesponse_check_list()",$safeeval);
195: &Apache::lonxml::debug("checking $ans_name $result with $response");
196: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
197: my ($awards)=split(/:/,$result);
198: my @awards= split(/,/,$awards);
199: my ($ad, $msg) =
200: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
201: push(@final_awards,$ad);
202: push(@final_msgs,$msg);
203: push(@ans_names,$ans_name);
204: }
205: my ($ad, $msg, $ans_name) =
206: &Apache::inputtags::finalizeawards(\@final_awards,
207: \@final_msgs,
208: \@ans_names,1);
209: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
210: push(@Apache::hint::which,$hint_name);
211: }
212: $result='';
213: } elsif ($target eq 'meta') {
214: $result=&Apache::response::meta_package_write($token->[1]);
215: } elsif ($target eq 'edit') {
216: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
217: }
218: &Apache::response::end_hintresponse();
219: return $result;
220: }
221:
222: sub start_formulahint {
223: return &start_numericalhint(@_);
224: }
225:
226: sub end_formulahint {
227: return &end_numericalhint(@_);
228: }
229:
230: sub start_mathhint {
231: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
232: #do everything in end, so intervening <responseparams> and <answer> work
233: &Apache::response::start_hintresponse($parstack,$safeeval);
234: &Apache::lonxml::register('Apache::response',('answer'));
235: my $result;
236: if ($target eq 'edit') {
237: $result.=&Apache::edit::tag_start($target,$token);
238: $result.=&Apache::edit::text_arg('Name:','name',$token);
239: $result.=&Apache::edit::select_arg('Algebra System:',
240: 'cas',
241: ['maxima'],
242: $token);
243: $result.=&Apache::edit::text_arg('Argument Array:',
244: 'args',$token);
245: $result.=&Apache::edit::end_row();
246: $result.=&Apache::edit::start_spanning_row();
247: } elsif ($target eq 'modified') {
248: my $constructtag;
249: $constructtag=&Apache::edit::get_new_args($token,$parstack,
250: $safeeval,'name','cas',
251: 'args');
252: $result = &Apache::edit::rebuild_tag($token);
253: $result .= &Apache::edit::handle_insert();
254: } elsif ($target eq 'web') {
255: &Apache::response::reset_params();
256: }
257: return $result;
258: }
259:
260: sub end_mathhint {
261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
262: my $result;
263: if ($target eq 'web') {
264: if (!$Apache::lonxml::default_homework_loaded) {
265: &Apache::lonxml::default_homework_load($safeeval);
266: }
267: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
268: &Apache::response::setup_params('mathhint',$safeeval);
269: my $partid=$Apache::inputtags::part;
270: my $submitid=$Apache::inputtags::response[-1];
271: my $response = $Apache::lonhomework::history{
272: "resource.$partid.$submitid.submission"};
273:
274: my $cas = &Apache::lonxml::get_param('cas',$parstack,$safeeval);
275: my $award;
276: if ($cas eq 'maxima') {
277: my $args = [&Apache::lonxml::get_param_var('args',$parstack,$safeeval)];
278: $award=&Apache::lonmaxima::maxima_run($Apache::response::custom_answer[-1],$response,$args);
279: }
280: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
281: push (@Apache::hint::which,$name);
282: }
283: $result='';
284: } elsif ($target eq 'meta') {
285: $result=&Apache::response::meta_package_write($token->[1]);
286: } elsif ($target eq 'edit') {
287: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
288: }
289: pop(@Apache::response::custom_answer);
290: pop(@Apache::response::custom_answer_type);
291: &Apache::response::end_hintresponse();
292: return $result;
293: }
294:
295: sub start_customhint {
296: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
297: #do everything in end, so intervening <responseparams> and <answer> work
298: &Apache::response::start_hintresponse($parstack,$safeeval);
299: &Apache::lonxml::register('Apache::response',('answer'));
300: my $result;
301: if ($target eq 'edit') {
302: $result.=&Apache::edit::tag_start($target,$token);
303: $result.=&Apache::edit::text_arg('Name:','name',$token);
304: $result.=&Apache::edit::end_row();
305: $result.=&Apache::edit::start_spanning_row();
306: } elsif ($target eq 'modified') {
307: my $constructtag;
308: $constructtag=&Apache::edit::get_new_args($token,$parstack,
309: $safeeval,'name');
310: $result = &Apache::edit::rebuild_tag($token);
311: $result .= &Apache::edit::handle_insert();
312: } elsif ($target eq 'web') {
313: &Apache::response::reset_params();
314: }
315: return $result;
316: }
317:
318: sub end_customhint {
319: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
320: my $result;
321: if ($target eq 'web') {
322: if (!$Apache::lonxml::default_homework_loaded) {
323: &Apache::lonxml::default_homework_load($safeeval);
324: }
325: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
326: &Apache::response::setup_params('customhint',$safeeval);
327: my $partid=$Apache::inputtags::part;
328: my $submitid=$Apache::inputtags::response[-1];
329: my $response = $Apache::lonhomework::history{
330: "resource.$partid.$submitid.submission"};
331: my $award;
332: if ( $response =~ /[^\s]/ &&
333: $Apache::response::custom_answer_type[-1] eq 'loncapa/perl') {
334: if (!$Apache::lonxml::default_homework_loaded) {
335: &Apache::lonxml::default_homework_load($safeeval);
336: }
337: ${$safeeval->varglob('LONCAPA::customresponse_submission')}=
338: $response;
339:
340: $award = &Apache::run::run('{ my $submission=$LONCAPA::customresponse_submission;'.$Apache::response::custom_answer[-1].'}',$safeeval);
341: }
342: if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS') {
343: push (@Apache::hint::which,$name);
344: }
345: $result='';
346: } elsif ($target eq 'meta') {
347: $result=&Apache::response::meta_package_write($token->[1]);
348: } elsif ($target eq 'edit') {
349: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
350: }
351: pop(@Apache::response::custom_answer);
352: pop(@Apache::response::custom_answer_type);
353: &Apache::response::end_hintresponse();
354: return $result;
355: }
356:
357: sub start_stringhint {
358: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
359: #do everything in end, so intervening <responseparams> work
360: &Apache::response::start_hintresponse($parstack,$safeeval);
361: my $result;
362: if ($target eq 'edit') {
363: $result.=&Apache::edit::tag_start($target,$token);
364: $result.=&Apache::edit::text_arg('Name:','name',$token);
365: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
366: $result.=&Apache::edit::select_arg('Type:','type',
367: [['cs','Case Sensitive'],['ci','Case Insensitive'],
368: ['mc','Case Insensitive, Any Order'],
369: ['re','Regular Expression']],$token);
370: $result.=&Apache::edit::end_row();
371: $result.=&Apache::edit::start_spanning_row();
372: } elsif ($target eq 'modified') {
373: my $constructtag;
374: $constructtag=&Apache::edit::get_new_args($token,$parstack,
375: $safeeval,'name','answer',
376: 'type');
377: $result = &Apache::edit::rebuild_tag($token);
378: $result .= &Apache::edit::handle_insert();
379: } elsif ($target eq 'web') {
380: &Apache::response::reset_params();
381: }
382: return $result;
383: }
384:
385: sub end_stringhint {
386: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
387: my $result;
388: if ($target eq 'web') {
389: if (!$Apache::lonxml::default_homework_loaded) {
390: &Apache::lonxml::default_homework_load($safeeval);
391: }
392: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
393: my $hint_name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
394: &Apache::response::setup_params('stringhint',$safeeval);
395: my $partid=$Apache::inputtags::part;
396: my $id=$Apache::inputtags::hint[-1];
397: #id submissions occured under
398: my $submitid=$Apache::inputtags::response[-1];
399: my $response = $Apache::lonhomework::history{
400: "resource.$partid.$submitid.submission"};
401: &Apache::lonxml::debug("hintgroup is using $response<br />\n");
402: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
403: my ($ad,$msg);
404: if ($type eq 're' ) {
405: my $answer=&Apache::lonxml::get_param('answer',$parstack,
406: $safeeval);
407: ${$safeeval->varglob('LONCAPA::response')}=$response;
408: my $compare='=';
409: if ($answer=~/^\s*NOT\s*/) {
410: $answer=~s/^\s*NOT\s*//;
411: $compare='!';
412: }
413: my $test='$LONCAPA::response'.$compare.'~m'.$answer;
414: &Apache::lonxml::debug("test $test");
415: $result = &Apache::run::run("return $test",$safeeval);
416: &Apache::lonxml::debug("current $response");
417: &Apache::lonxml::debug("current $answer");
418: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
419: } else {
420: my @args = ('type');
421: my $args_ref =
422: &Apache::caparesponse::setup_capa_args($safeeval,$parstack,
423: \@args,$response);
424: &Apache::caparesponse::add_in_tag_answer($parstack,$safeeval);
425: my (@final_awards,@final_msgs,@ans_names);
426: my %answer = &Apache::caparesponse::get_answer();
427: foreach my $ans_name (keys(%answer)) {
428: &Apache::lonxml::debug(" doing $ans_name with ".join(':',@{ $answer{$ans_name}{'answers'} }));
429: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$ans_name});
430: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
431: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
432: my ($awards) = split(/:/,$result);
433: my (@awards) = split(/,/,$awards);
434: ($ad,$msg) =
435: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
436: push(@final_awards,$ad);
437: push(@final_msgs,$msg);
438: push(@ans_names,$ans_name);
439: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
440: }
441: my ($ad, $msg, $ans_name) =
442: &Apache::inputtags::finalizeawards(\@final_awards,
443: \@final_msgs,
444: \@ans_names,1);
445: }
446: if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
447: push(@Apache::hint::which,$hint_name);
448: }
449: $result='';
450: } elsif ($target eq 'meta') {
451: $result=&Apache::response::meta_package_write($token->[1]);
452: } elsif ($target eq 'edit') {
453: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
454: }
455: &Apache::response::end_hintresponse();
456: return $result;
457: }
458:
459: # a part shows if it is on, if no specific parts are on, then default shows
460: sub start_hintpart {
461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
462:
463: my $show ='0';
464: my $result = '';
465: if ($target eq 'web') {
466: my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
467: &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
468: if ( $on eq 'default' && $#Apache::hint::which == '-1') {
469: $show=1;
470: } else {
471: my $which;
472: foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
473: }
474: if (!$show) {
475: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
476: }
477: } elsif ($target eq 'grade') {
478: &Apache::lonxml::get_all_text("/hintpart",$parser,$style);
479: } elsif ($target eq 'edit') {
480: $result.= &Apache::edit::tag_start($target,$token);
481: $result.= &Apache::edit::text_arg('On:','on',$token);
482: $result.= &Apache::edit::end_row();
483: $result.= &Apache::edit::start_spanning_row();
484: } elsif ($target eq 'modified') {
485: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
486: $safeeval,'on');
487: if ($constructtag) {
488: $result = &Apache::edit::rebuild_tag($token);
489: $result.=&Apache::edit::handle_insert();
490: }
491: }
492: return $result;
493: }
494:
495: sub end_hintpart {
496: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
497: my $result;
498: if ($target eq 'edit') {
499: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
500: }
501: return $result;
502: }
503:
504: sub start_optionhint {
505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
506: my $result;
507: &Apache::response::start_hintresponse($parstack,$safeeval);
508: if ($target eq 'edit') {
509: $result.=&Apache::edit::tag_start($target,$token);
510: $result.=&Apache::edit::text_arg('Name:','name',$token);
511: $result.=&Apache::edit::text_arg('Answer:','answer',$token,40);
512: $result.=&Apache::edit::text_arg('Concept:','concept',$token,50);
513: } elsif ($target eq 'modified') {
514: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
515: $safeeval,'name',
516: 'answer','concept');
517: if ($constructtag) {
518: $result = &Apache::edit::rebuild_tag($token);
519: $result .= &Apache::edit::handle_insert();
520: }
521: } elsif ($target eq 'meta') {
522: $result=&Apache::response::meta_package_write('numericalhint');
523: }
524: return $result;
525: }
526:
527: sub end_optionhint {
528: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
529: my $result;
530: if ($target eq 'web') {
531: my ($foilmatch,$conceptmatch)=(-1,-1);
532: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
533: my $partid=$Apache::inputtags::part;
534: #id submissions occured under
535: my $submitid=$Apache::inputtags::response[-1];
536: my $part_id="$partid.$submitid";
537: my %answer;
538: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
539: if ($answer) {
540: eval('%answer ='.$answer);
541: &Apache::lonxml::debug("answwer hash");
542: &Apache::lonhomework::showhash(%answer);
543: my $response = $Apache::lonhomework::history{
544: "resource.$part_id.submission"};
545: my %response=&Apache::lonnet::str2hash($response);
546: &Apache::lonhomework::showhash(%response);
547: foreach my $foil (keys(%answer)) {
548: $foilmatch=1;
549: if ($answer{$foil} ne $response{$foil}) {$foilmatch=0;last;}
550: }
551: }
552: my %concept;
553: my $constr=&Apache::lonxml::get_param('concept',$parstack,$safeeval);
554: if ( $constr ) { eval('%concept ='.$constr); }
555: my $response = $Apache::lonhomework::history{
556: "resource.$part_id.submissiongrading"};
557: my %response=&Apache::lonnet::str2hash($response);
558: foreach my $concept (keys(%concept)) {
559: my $compare;
560: if ($concept{$concept} eq 'correct') {$compare=1}else{$compare=0}
561: $conceptmatch=1;
562: if (ref($Apache::hint::option{"$part_id.concepts"})) {
563: foreach my $foil (@{ $Apache::hint::option{"$part_id.concept.$concept"} }) {
564: &Apache::lonxml::debug("compare -$foil- -$response{$foil}-$compare-");
565: if ( exists($response{$foil}) &&
566: $response{$foil} ne $compare) {$conceptmatch=0;last;}
567: }
568: } else {
569: $conceptmatch=0;
570: }
571: if ($conceptmatch eq '0') { last; }
572: }
573: if ( ($conceptmatch eq '-1' || $conceptmatch eq '1') &&
574: ($foilmatch eq '-1' || $foilmatch eq '1') ) {
575: push(@Apache::hint::which,$name);
576: }
577: } elsif ($target eq 'edit') {
578: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
579: }
580: &Apache::response::end_hintresponse();
581: return $result;
582: }
583:
584: sub start_radiobuttonhint {
585: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
586: my $result;
587: &Apache::response::start_hintresponse($parstack,$safeeval);
588: if ($target eq 'edit') {
589: $result.=&Apache::edit::tag_start($target,$token);
590: $result.=&Apache::edit::text_arg('Name:','name',$token);
591: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
592: } elsif ($target eq 'modified') {
593: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
594: $safeeval,'name',
595: 'answer');
596: if ($constructtag) {
597: $result = &Apache::edit::rebuild_tag($token);
598: $result .= &Apache::edit::handle_insert();
599: }
600: } elsif ($target eq 'meta') {
601: $result=&Apache::response::meta_package_write('numericalhint');
602: }
603: return $result;
604: }
605:
606: sub end_radiobuttonhint {
607: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
608: my $result;
609: if ($target eq 'web') {
610: my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
611: my @answer;
612: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
613: eval('@answer ='.$answer);
614: my $partid=$Apache::inputtags::part;
615: #id submissions occured under
616: my $submitid=$Apache::inputtags::response[-1];
617: my $part_id="$partid.$submitid";
618: my $response = $Apache::lonhomework::history{
619: "resource.$part_id.submission"};
620: ($response)=&Apache::lonnet::str2hash($response);
621: &Apache::lonxml::debug("response is $response");
622:
623: if ($answer[0] eq 'foil') {
624: shift(@answer);
625: foreach my $answer (@answer) {
626: if ($response eq $answer) {
627: push (@Apache::hint::which,$name);
628: last;
629: }
630: }
631: } elsif ($answer[0] eq 'concept') {
632: shift(@answer);
633: foreach my $answer (@answer) {
634: if (ref($Apache::hint::radiobutton{"$part_id.concept.".$answer})) {
635: my @names=@{ $Apache::hint::radiobutton{"$part_id.concept.".$answer} };
636: if (grep(/^\Q$response\E$/,@names)) {
637: push(@Apache::hint::which,$name);
638: last;
639: }
640: }
641: }
642: }
643: } elsif ($target eq 'edit') {
644: $result.=&Apache::edit::end_row().&Apache::edit::end_table();
645: }
646: &Apache::response::end_hintresponse();
647: return $result;
648: }
649: 1;
650: __END__
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