1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.213 2007/04/26 23:15:43 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 is free 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::caparesponse;
30: use strict;
31: use capa;
32: use Safe::Hole;
33: use Apache::lonmaxima();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Apache::response();
37: use Storable qw(dclone);
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
41: }
42:
43: my %answer;
44: my @answers;
45: sub get_answer { return %answer; };
46: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
47: sub pop_answer { %answer = %{pop(@answers)}; };
48:
49: my $cur_name;
50: my $tag_internal_answer_name = 'INTERNAL';
51:
52: sub start_answer {
53: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
54: my $result;
55: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
56: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
57: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
58: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
59: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
60: }
61: if (!defined($type)) { $type = 'ordered' };
62: $answer{$cur_name}= { 'type' => $type,
63: 'answers' => [] };
64: if ($target eq 'edit') {
65: $result.=&Apache::edit::tag_start($target,$token);
66: $result.=&Apache::edit::text_arg('Name:','name',$token);
67: $result.=&Apache::edit::select_arg('Type:','type',
68: [['ordered', 'Ordered' ],
69: ['unordered','Unordered'],],
70: $token);
71: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
72: } elsif ($target eq 'modified') {
73: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
74: $safeeval,'name',
75: 'type');
76: if ($constructtag) {
77: $result = &Apache::edit::rebuild_tag($token);
78: $result.= &Apache::edit::handle_insert();
79: }
80: }
81: return $result;
82: }
83:
84: sub end_answer {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
86: my $result;
87: if ($target eq 'edit') {
88: $result .= &Apache::edit::tag_end();
89: }
90:
91: undef($cur_name);
92: return $result;
93: }
94:
95: sub insert_answer {
96: return '
97: <answer>
98: <value></value>
99: </answer>';
100: }
101:
102: sub start_answergroup {
103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
104: my $result;
105: if ($target eq 'edit') {
106: $result.=&Apache::edit::tag_start($target,$token);
107: $result.=&Apache::edit::select_arg('Type:','type',
108: [['ordered', 'Ordered' ],
109: ['unordered','Unordered'],],
110: $token);
111: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
112: } elsif ($target eq 'modified') {
113: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
114: $safeeval,'name',
115: 'type');
116: if ($constructtag) {
117: $result = &Apache::edit::rebuild_tag($token);
118: $result.= &Apache::edit::handle_insert();
119: }
120: }
121: return $result;
122: }
123:
124: sub end_answergroup {
125: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
126: my $result;
127: if ($target eq 'web') {
128: if ( &Apache::response::show_answer() ) {
129: my $partid = $Apache::inputtags::part;
130: my $id = $Apache::inputtags::response[-1];
131: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
132: $target,$token,$tagstack,$parstack,$parser,
133: $safeeval,-2);
134: }
135: } elsif ($target eq 'edit') {
136: $result .= &Apache::edit::tag_end();
137: }
138: return $result;
139: }
140:
141: sub insert_answergroup {
142: return '
143: <answergroup>
144: <answer>
145: <value></value>
146: </answer>
147: </answergroup>';
148: }
149:
150: sub start_value {
151: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
152: my $result;
153: if ( $target eq 'web' || $target eq 'tex' ||
154: $target eq 'grade' || $target eq 'webgrade' ||
155: $target eq 'answer' || $target eq 'analyze' ) {
156: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
157: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
158: $$parstack[-1]);
159:
160: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
161:
162: } elsif ($target eq 'edit') {
163: $result.=&Apache::edit::tag_start($target,$token);
164: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
165: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
166: &Apache::edit::end_row();
167: } elsif ($target eq 'modified') {
168: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
169: }
170: return $result;
171: }
172:
173: sub end_value {
174: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
175: my $result;
176: if ($target eq 'edit') {
177: $result = &Apache::edit::end_table();
178: }
179: return $result;
180: }
181:
182: sub insert_value {
183: return '
184: <value></value>';
185: }
186:
187: sub start_vector {
188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
189: my $result;
190: if ( $target eq 'web' || $target eq 'tex' ||
191: $target eq 'grade' || $target eq 'webgrade' ||
192: $target eq 'answer' || $target eq 'analyze' ) {
193: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
194: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
195: if (@values == 1) {
196: @values = split(',',$values[0]);
197: }
198: push(@{ $answer{$cur_name}{'answers'} },\@values);
199: } elsif ($target eq 'edit') {
200: $result.=&Apache::edit::tag_start($target,$token);
201: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
202: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
203: &Apache::edit::end_row();
204: } elsif ($target eq 'modified') {
205: $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
206: }
207: return $result;
208: }
209:
210: sub end_vector {
211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
212: my $result;
213: if ($target eq 'edit') {
214: $result = &Apache::edit::end_table();
215: }
216: return $result;
217: }
218:
219: sub insert_vector {
220: return '
221: <value></value>';
222: }
223:
224: sub start_array {
225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
226: my $result;
227: if ( $target eq 'web' || $target eq 'tex' ||
228: $target eq 'grade' || $target eq 'webgrade' ||
229: $target eq 'answer' || $target eq 'analyze' ) {
230: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
231: my @values = &Apache::run::evaluate($bodytext,$safeeval,
232: $$parstack[-1]);
233: push(@{ $answer{$cur_name}{'answers'} },@values);
234: }
235: return $result;
236: }
237:
238: sub end_array {
239: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
240: my $result;
241: return $result;
242: }
243:
244: sub start_unit {
245: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
246: my $result;
247: return $result;
248: }
249:
250: sub end_unit {
251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
252: my $result;
253: return $result;
254: }
255:
256: sub start_numericalresponse {
257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
258: &Apache::lonxml::register('Apache::caparesponse',
259: ('answer','answergroup','value','array','unit',
260: 'vector'));
261: push(@Apache::lonxml::namespace,'caparesponse');
262: my $id = &Apache::response::start_response($parstack,$safeeval);
263: my $result;
264: undef(%answer);
265: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
266: if ($target eq 'edit') {
267: $result.=&Apache::edit::tag_start($target,$token);
268: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
269: if ($token->[1] eq 'numericalresponse') {
270: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
271: $token).
272: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
273: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
274: &Apache::loncommon::help_open_topic('Physical_Units');
275: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
276: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
277: } elsif ($token->[1] eq 'formularesponse') {
278: $result.=&Apache::edit::text_arg('Sample Points:','samples',
279: $token,40).
280: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
281: }
282: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
283: } elsif ($target eq 'modified') {
284: my $constructtag;
285: if ($token->[1] eq 'numericalresponse') {
286: $constructtag=&Apache::edit::get_new_args($token,$parstack,
287: $safeeval,'answer',
288: 'incorrect','unit',
289: 'format');
290: } elsif ($token->[1] eq 'formularesponse') {
291: $constructtag=&Apache::edit::get_new_args($token,$parstack,
292: $safeeval,'answer',
293: 'samples');
294: }
295: if ($constructtag) {
296: $result = &Apache::edit::rebuild_tag($token);
297: $result.=&Apache::edit::handle_insert();
298: }
299: } elsif ($target eq 'meta') {
300: $result=&Apache::response::meta_package_write('numericalresponse');
301: } elsif ($target eq 'answer' || $target eq 'grade') {
302: &Apache::response::reset_params();
303: } elsif ($target eq 'web') {
304: my $partid = $Apache::inputtags::part;
305: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
306: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
307: #no way to enter units, with radio buttons
308: if (lc($hideunit) eq "yes") {
309: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
310: $safeeval);
311: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
312: }
313: if ( &Apache::response::show_answer() ) {
314: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
315: $parstack,$parser,$safeeval,-1);
316: }
317: }
318: return $result;
319: }
320:
321: sub set_answertext {
322: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
323: $response_level) = @_;
324: &add_in_tag_answer($parstack,$safeeval,$response_level);
325:
326: if ($name eq '' || !ref($answer{$name})) {
327: if (ref($answer{$tag_internal_answer_name})) {
328: $name = $tag_internal_answer_name;
329: } else {
330: $name = (sort(keys(%answer)))[0];
331: }
332: }
333: return if ($name eq '' || !ref($answer{$name}));
334:
335: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
336: $safeeval,$response_level);
337: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
338: $response_level);
339:
340: &Apache::lonxml::debug("answer looks to be $name");
341: my @answertxt;
342: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
343: my $answertxt;
344: my $answer=$answer{$name}{'answers'}[$i];
345: foreach my $element (@$answer) {
346: if ( scalar(@$tagstack)
347: && $tagstack->[$response_level] ne 'numericalresponse') {
348: $answertxt.=$element.',';
349: } else {
350: my $format;
351: if ($#formats > 0) {
352: $format=$formats[$i];
353: } else {
354: $format=$formats[0];
355: }
356: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
357: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
358: my $formatted=&format_number($element,$format,$target,
359: $safeeval);
360: $answertxt.=' '.$formatted.',';
361: }
362:
363: }
364: chop($answertxt);
365: if ($target eq 'web') {
366: $answertxt.=" $unit ";
367: }
368:
369: push(@answertxt,$answertxt)
370: }
371:
372: my $id = $Apache::inputtags::response[-1];
373: $Apache::inputtags::answertxt{$id}=\@answertxt;
374: }
375:
376: sub setup_capa_args {
377: my ($safeeval,$parstack,$args,$response) = @_;
378: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
379: undef(%{ $args_ref });
380:
381: foreach my $arg (@{$args}) {
382: $$args_ref{$arg}=
383: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
384: }
385: foreach my $key (keys(%Apache::inputtags::params)) {
386: $$args_ref{$key}=$Apache::inputtags::params{$key};
387: }
388: &setup_capa_response($args_ref,$response);
389: return $args_ref;
390: }
391:
392: sub setup_capa_response {
393: my ($args_ref,$response) = @_;
394:
395: use Data::Dumper;
396: &Apache::lonxml::debug("response dump is ".&Dumper($response));
397:
398: if (ref($response)) {
399: $$args_ref{'response'}=dclone($response);
400: } else {
401: $$args_ref{'response'}=dclone([$response]);
402: }
403: }
404:
405: sub check_submission {
406: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
407: my @args = ('type','tol','sig','format','unit','calc','samples');
408: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
409:
410: my $hideunit=
411: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
412: #no way to enter units, with radio buttons
413: if ($Apache::lonhomework::type eq 'exam' ||
414: lc($hideunit) eq "yes") {
415: delete($$args_ref{'unit'});
416: }
417: #sig fig don't make much sense either
418: if (($Apache::lonhomework::type eq 'exam' ||
419: &Apache::response::submitted('scantron') ||
420: $ignore_sig) &&
421: $tag eq 'numericalresponse') {
422: delete($$args_ref{'sig'});
423: }
424:
425: if ($tag eq 'formularesponse') {
426: if ($$args_ref{'samples'}) {
427: $$args_ref{'type'}='fml';
428: } else {
429: $$args_ref{'type'}='math';
430: }
431: } elsif ($tag eq 'numericalresponse') {
432: $$args_ref{'type'}='float';
433: }
434:
435: &add_in_tag_answer($parstack,$safeeval);
436:
437: my (@final_awards,@final_msgs,@names);
438: foreach my $name (keys(%answer)) {
439: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
440:
441: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
442: &setup_capa_response($args_ref,$response);
443: use Time::HiRes;
444: my $t0 = [Time::HiRes::gettimeofday()];
445: my ($result,@msgs) =
446: &Apache::run::run("&caparesponse_check_list()",$safeeval);
447: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
448: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
449: my ($awards)=split(/:/,$result);
450: my @awards= split(/,/,$awards);
451: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
452: push(@final_awards,$ad);
453: push(@final_msgs,$msg);
454: push(@names,$name);
455: }
456: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
457: \@final_msgs,
458: \@names,1);
459: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
460: return($ad,$msg, $name);
461: }
462:
463: sub add_in_tag_answer {
464: my ($parstack,$safeeval,$response_level) = @_;
465: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
466: $response_level);
467: &Apache::lonxml::debug('answer is'.join(':',@answer));
468: if (@answer && $answer[0] =~ /\S/) {
469: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
470: 'answers' => [\@answer] };
471: }
472: }
473:
474: sub capa_formula_fix {
475: my ($expression)=@_;
476: return &Apache::response::implicit_multiplication($expression);
477: }
478:
479: sub end_numericalresponse {
480: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
481:
482: &Apache::lonxml::deregister('Apache::caparesponse',
483: ('answer','answergroup','value','array','unit',
484: 'vector'));
485: pop(@Apache::lonxml::namespace);
486:
487: my $increment=1;
488: my $result = '';
489: if (!$Apache::lonxml::default_homework_loaded) {
490: &Apache::lonxml::default_homework_load($safeeval);
491: }
492: my $partid = $Apache::inputtags::part;
493: my $id = $Apache::inputtags::response[-1];
494: my $tag;
495: my $safehole = new Safe::Hole;
496: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
497:
498: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
499: if ( $target eq 'grade' && &Apache::response::submitted() ) {
500: &Apache::response::setup_params($tag,$safeeval);
501: if ($Apache::lonhomework::type eq 'exam' &&
502: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
503: $increment=&Apache::response::scored_response($partid,$id);
504: } else {
505: my $response = &Apache::response::getresponse();
506: if ( $response =~ /[^\s]/) {
507: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
508: &Apache::lonxml::debug("submitted a $response<br>\n");
509: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
510:
511: if ( &Apache::response::submitted('scantron')) {
512: &add_in_tag_answer($parstack,$safeeval);
513: my ($values,$display)=&make_numerical_bubbles($partid,$id,
514: $target,$parstack,$safeeval);
515: $response=$values->[$response];
516: }
517: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
518: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
519: $tag,$parstack,
520: $safeeval);
521:
522: &Apache::lonxml::debug('ad is'.$ad);
523: if ($ad eq 'SIG_FAIL') {
524: my ($sig_u,$sig_l)=
525: &get_sigrange($Apache::inputtags::params{'sig'});
526: $msg=join(':',$msg,$sig_l,$sig_u);
527: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
528: $Apache::inputtags::params{'sig'});
529: }
530: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
531: if ($Apache::lonhomework::type eq 'survey' &&
532: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
533: $ad eq 'EXACT_ANS')) {
534: $ad='SUBMITTED';
535: }
536: &Apache::response::handle_previous(\%previous,$ad);
537: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
538: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
539: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
540: $result='';
541: }
542: }
543: } elsif ($target eq 'web' || $target eq 'tex') {
544: &check_for_answer_errors($parstack,$safeeval);
545: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
546: my $status = $Apache::inputtags::status['-1'];
547: if ($Apache::lonhomework::type eq 'exam') {
548: # FIXME support multi dimensional numerical problems
549: # in exam bubbles
550: my ($bubble_values,$bubble_display)=
551: &make_numerical_bubbles($partid,$id,$target,$parstack,
552: $safeeval);
553: my $number_of_bubbles = scalar(@{ $bubble_values });
554: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
555: $safeeval);
556: my @alphabet=('A'..'Z');
557: if ($target eq 'web') {
558: if ($tag eq 'numericalresponse') {
559: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
560: $result.= '<table border="1"><tr>';
561: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
562: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
563: my $checked='';
564: if ($previous eq $bubble_values->[$ind]) {
565: $checked=" checked='on' ";
566: }
567: $result.='<td><input type="radio" name="HWVAL_'.$id.
568: '" value="'.$bubble_values->[$ind].'" '.$checked
569: .' /><b>'.$alphabet[$ind].'</b>: '.
570: $bubble_display->[$ind].'</td>';
571: }
572: $result.='</tr></table>';
573: }
574: } elsif ($target eq 'tex') {
575: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
576: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
577: }
578: if ($tag eq 'numericalresponse') {
579: my ($celllength,$number_of_tables,@table_range)=
580: &get_table_sizes($number_of_bubbles,$bubble_display);
581: my $j=0;
582: my $cou=0;
583: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
584: for (my $i=0;$i<$number_of_tables;$i++) {
585: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
586: for (my $ind=0;$ind<$table_range[$j];$ind++) {
587: $result.='p{3 mm}p{'.$celllength.' mm}';
588: }
589: $result.='}';
590: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
591: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
592: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
593: }
594: $cou += $table_range[$j];
595: $j++;
596: $result.='\\\\\end{tabular}\vskip 0 mm ';
597: }
598: $result.='\end{enumerate}';
599: } else {
600: $increment = &Apache::response::repetition();
601: }
602: }
603: }
604: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
605: } elsif ($target eq 'edit') {
606: $result.='</td></tr>'.&Apache::edit::end_table;
607: } elsif ($target eq 'answer' || $target eq 'analyze') {
608: my $part_id="$partid.$id";
609: if ($target eq 'analyze') {
610: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
611: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
612: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
613: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
614: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
615: &Apache::response::check_if_computed($token,$parstack,
616: $safeeval,'answer');
617: }
618: if (scalar(@$tagstack)) {
619: &Apache::response::setup_params($tag,$safeeval);
620: }
621: &add_in_tag_answer($parstack,$safeeval);
622: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
623:
624: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
625:
626: if ($target eq 'answer') {
627: $result.=&Apache::response::answer_header($tag,undef,
628: scalar(keys(%answer)));
629: if ($tag eq 'numericalresponse'
630: && $Apache::lonhomework::type eq 'exam') {
631: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
632: $id,$target,$parstack,$safeeval);
633: $result.=&Apache::response::answer_part($tag,$correct);
634: }
635: }
636: foreach my $name (sort(keys(%answer))) {
637: my @answers = @{ $answer{$name}{'answers'} };
638: if ($target eq 'analyze') {
639: foreach my $info ('answer','ans_high','ans_low','format') {
640: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
641: }
642: }
643: my ($sigline,$tolline);
644: if ($name ne $tag_internal_answer_name
645: || scalar(keys(%answer)) > 1) {
646: $result.=&Apache::response::answer_part($tag,$name);
647: }
648: for(my $i=0;$i<=$#answers;$i++) {
649: my $ans=$answers[$i];
650: my $fmt=$formats[0];
651: if (@formats && $#formats) {$fmt=$formats[$i];}
652: my ($sighigh,$siglow);
653: if ($Apache::inputtags::params{'sig'}) {
654: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
655: }
656: my @vector;
657: if (ref($ans)) {
658: @vector = @{ $ans };
659: } else {
660: @vector = ($ans);
661: }
662: my @all_answer_info;
663: foreach my $element (@vector) {
664: my ($high,$low);
665: if ($Apache::inputtags::params{'tol'}) {
666: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
667: }
668: if ($target eq 'answer') {
669: if ($fmt && $tag eq 'numericalresponse') {
670: $fmt=~s/e/E/g;
671: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
672: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
673: $element = &format_number($element,$fmt,$target,$safeeval);
674: #if ($high) {
675: # $high=&format_number($high,$fmt,$target,$safeeval);
676: # $low =&format_number($low,$fmt,$target,$safeeval);
677: #}
678: }
679: if ($high && $tag eq 'numericalresponse') {
680: $element.=' ['.$low.','.$high.']';
681: $tolline .= "[$low, $high]";
682: }
683: if (defined($sighigh) && $tag eq 'numericalresponse') {
684: if ($env{'form.answer_output_mode'} eq 'tex') {
685: $element.= " Sig $siglow - $sighigh";
686: } else {
687: $element.= " Sig <i>$siglow - $sighigh</i>";
688: $sigline .= "[$siglow, $sighigh]";
689: }
690: }
691: push(@all_answer_info,$element);
692:
693: } elsif ($target eq 'analyze') {
694: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
695: if ($high) {
696: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
697: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
698: }
699: if ($fmt) {
700: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
701: }
702: }
703: }
704: if ($target eq 'answer') {
705: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
706: }
707: }
708:
709: my @fmt_ans;
710: for(my $i=0;$i<=$#answers;$i++) {
711: my $ans=$answers[$i];
712: my $fmt=$formats[0];
713: if (@formats && $#formats) {$fmt=$formats[$i];}
714: foreach my $element (@$ans) {
715: if ($fmt && $tag eq 'numericalresponse') {
716: $fmt=~s/e/E/g;
717: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
718: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
719: $element = &format_number($element,$fmt,$target,
720: $safeeval);
721: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
722: }
723: }
724: push(@fmt_ans,join(',',@$ans));
725: }
726: my $response=\@fmt_ans;
727:
728: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
729: $id.'.turnoffunit');
730: if ($unit ne '' &&
731: ! ($Apache::lonhomework::type eq 'exam' ||
732: lc($hideunit) eq "yes") ) {
733: my $cleanunit=$unit;
734: $cleanunit=~s/\$\,//g;
735: foreach my $ans (@fmt_ans) {
736: $ans.=" $cleanunit";
737: }
738: }
739: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
740: $parstack,$safeeval);
741: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
742: my $error;
743: if ($tag eq 'formularesponse') {
744: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
745: } else {
746: # answer failed check if it is sig figs that is failing
747: my ($ad,$msg)=&check_submission($response,$partid,$id,
748: $tag,$parstack,
749: $safeeval,1);
750: if ($sigline ne '') {
751: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
752: } else {
753: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
754: }
755: }
756: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
757: &Apache::lonxml::error($error);
758: } else {
759: &Apache::lonxml::warning($error);
760: }
761: }
762:
763: if (defined($unit) and ($unit ne '') and
764: $tag eq 'numericalresponse') {
765: if ($target eq 'answer') {
766: if ($env{'form.answer_output_mode'} eq 'tex') {
767: $result.=&Apache::response::answer_part($tag,
768: " Unit: $unit ");
769: } else {
770: $result.=&Apache::response::answer_part($tag,
771: "Unit: <b>$unit</b>");
772: }
773: } elsif ($target eq 'analyze') {
774: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
775: }
776: }
777: if ($tag eq 'formularesponse' && $target eq 'answer') {
778: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
779: $result.=&Apache::response::answer_part($tag,$samples);
780: }
781: $result.=&Apache::response::next_answer($tag,$name);
782: }
783: if ($target eq 'answer') {
784: $result.=&Apache::response::answer_footer($tag);
785: }
786: }
787: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
788: $target eq 'tex' || $target eq 'analyze') {
789: &Apache::lonxml::increment_counter($increment);
790: }
791: &Apache::response::end_response();
792: return $result;
793: }
794:
795: sub format_prior_response_numerical {
796: my ($mode,$answer) = @_;
797: if (ref($answer)) {
798: my $result = '<table class="LC_prior_numerical"><tr>';
799: foreach my $element (@{ $answer }) {
800: $result.= '<td><span class="LC_prior_numerical">'.
801: &HTML::Entities::encode($element,'"<>&').'</span></td>';
802: }
803: $result.='</tr></table>';
804: return $result;
805: }
806: return '<span class="LC_prior_numerical">'.
807: &HTML::Entities::encode($answer,'"<>&').'</span>';
808:
809: }
810:
811: sub check_for_answer_errors {
812: my ($parstack,$safeeval) = @_;
813: &add_in_tag_answer($parstack,$safeeval);
814: my %counts;
815: foreach my $name (keys(%answer)) {
816: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
817: }
818: if (scalar(keys(%counts)) > 1) {
819: my $counts = join(' ',map {
820: my $count = $_;
821: &mt("Answers [_1] had [_2] components.",
822: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
823: $count);
824: } (sort(keys(%counts))));
825: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
826: }
827: use Data::Dumper;
828: &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));
829: my $expected_number_of_inputs = (keys(%counts))[0];
830: if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
831: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
832: $expected_number_of_inputs,
833: scalar(@Apache::inputtags::inputlist)));
834: }
835: }
836:
837: sub get_table_sizes {
838: my ($number_of_bubbles,$rbubble_values)=@_;
839: my $scale=2; #mm for one digit
840: my $cell_width=0;
841: foreach my $member (@$rbubble_values) {
842: my $cell_width_real=0;
843: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
844: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
845: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
846: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
847: } elsif ($member=~/(\d*)\.(\d*)/) {
848: $cell_width_real=(length($1)+length($2)+3)*$scale;
849: } else {
850: $cell_width_real=(length($member)+1)*$scale*0.9;
851: }
852: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
853: }
854: $cell_width+=8;
855: my $textwidth;
856: if ($env{'form.textwidth'} ne '') {
857: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
858: $textwidth=$1.'.'.$2;
859: } else {
860: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
861: $textwidth=$1.'.'.$2;
862: }
863: my $bubbles_per_line=int($textwidth/$cell_width);
864: if ($bubbles_per_line > $number_of_bubbles) {
865: $bubbles_per_line=$number_of_bubbles;
866: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
867: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
868: my @table_range = ();
869: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
870: if ($number_of_bubbles % $bubbles_per_line) {
871: $number_of_tables++;
872: push @table_range,($number_of_bubbles % $bubbles_per_line);
873: }
874: $cell_width-=8;
875: $cell_width=$cell_width*3/4;
876: return ($cell_width,$number_of_tables,@table_range);
877: }
878:
879: sub format_number {
880: my ($number,$format,$target,$safeeval)=@_;
881: my $ans;
882: if ($format eq '') {
883: #What is the number? (integer,decimal,floating point)
884: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
885: $format = '3e';
886: } elsif ($number=~/^(\d*)\.(\d*)$/) {
887: $format = '4f';
888: } elsif ($number=~/^(\d*)$/) {
889: $format = 'd';
890: }
891: }
892: if (!$Apache::lonxml::default_homework_loaded) {
893: &Apache::lonxml::default_homework_load($safeeval);
894: }
895: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
896: return $ans;
897: }
898:
899: sub make_numerical_bubbles {
900: my ($part,$id,$target,$parstack,$safeeval) =@_;
901:
902: my $number_of_bubbles =
903: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
904:
905: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
906: my $name = (exists($answer{$tag_internal_answer_name})
907: ? $tag_internal_answer_name
908: : (sort(keys(%answer)))[0]);
909:
910: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
911: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
912: }
913: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
914: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
915: }
916:
917: my $answer = $answer{$name}{'answers'}[0][0];
918: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
919: $safeeval);
920: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
921:
922: my @bubble_values=();
923: my @alphabet=('A'..'Z');
924:
925: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
926: my @oldseed=&Math::Random::random_get_seed();
927: if (@incorrect) {
928: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
929: if (defined($incorrect[0]) &&
930: scalar(@incorrect)+1 >= $number_of_bubbles) {
931: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
932: &Apache::response::setrandomnumber();
933: my @rand_inc=&Math::Random::random_permutation(@incorrect);
934: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
935: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
936: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
937: &Math::Random::random_set_seed(@oldseed);
938:
939: my $correct;
940: for(my $i=0; $i<=$#bubble_values;$i++) {
941: if ($bubble_values[$i] eq $answer) {
942: $correct = $alphabet[$i];
943: last;
944: }
945: }
946:
947: if (defined($format) && $format ne '') {
948: my @bubble_display;
949: foreach my $value (@bubble_values) {
950: push(@bubble_display,
951: &format_number($value,$format,$target,$safeeval));
952: }
953: return (\@bubble_values,\@bubble_display,$correct);
954: } else {
955: return (\@bubble_values,\@bubble_values,$correct);
956: }
957: }
958: if (defined($incorrect[0]) &&
959: scalar(@incorrect)+1 < $number_of_bubbles) {
960: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
961: }
962: }
963: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
964: my @powers = (1..$number_of_bubbles);
965: &Apache::response::setrandomnumber();
966: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
967: my $power = $powers[$ind];
968: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
969: my $factor = $factors[$ind];
970: my @bubble_display;
971: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
972: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
973: $bubble_display[$ind] = &format_number($bubble_values[$ind],
974: $format,$target,$safeeval);
975:
976: }
977: my $correct = $alphabet[$number_of_bubbles-$power];
978: &Math::Random::random_set_seed(@oldseed);
979: return (\@bubble_values,\@bubble_display,$correct);
980: }
981:
982: sub get_tolrange {
983: my ($ans,$tol)=@_;
984: my ($high,$low);
985: if ($tol =~ /%$/) {
986: chop($tol);
987: my $change=$ans*($tol/100.0);
988: $high=$ans+$change;
989: $low=$ans-$change;
990: } else {
991: $high=$ans+$tol;
992: $low=$ans-$tol;
993: }
994: return ($high,$low);
995: }
996:
997: sub get_sigrange {
998: my ($sig)=@_;
999: #&Apache::lonxml::debug("Got a sig of :$sig:");
1000: my $courseid=$env{'request.course.id'};
1001: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1002: return (15,0);
1003: }
1004: my $sig_lbound;
1005: my $sig_ubound;
1006: if ($sig eq '') {
1007: $sig_lbound = 0; #SIG_LB_DEFAULT
1008: $sig_ubound =15; #SIG_UB_DEFAULT
1009: } else {
1010: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1011: if (!defined($sig_lbound)) {
1012: $sig_lbound = 0; #SIG_LB_DEFAULT
1013: $sig_ubound =15; #SIG_UB_DEFAULT
1014: }
1015: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1016: }
1017: if (($sig_ubound<$sig_lbound) ||
1018: ($sig_lbound > 15) ||
1019: ($sig =~/(\+|-)/ ) ) {
1020: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1021: if ($env{'request.state'} eq 'construct') {
1022: $errormsg.=
1023: &Apache::loncommon::help_open_topic('Significant_Figures');
1024: }
1025: &Apache::lonxml::error($errormsg);
1026: }
1027: return ($sig_ubound,$sig_lbound);
1028: }
1029:
1030: sub format_prior_response_string {
1031: my ($mode,$answer) =@_;
1032: return '<span class="LC_prior_string">'.
1033: &HTML::Entities::encode($answer,'"<>&').'</span>';
1034: }
1035:
1036: sub start_stringresponse {
1037: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1038: my $result;
1039: my $id = &Apache::response::start_response($parstack,$safeeval);
1040: if ($target eq 'meta') {
1041: $result=&Apache::response::meta_package_write('stringresponse');
1042: } elsif ($target eq 'edit') {
1043: $result.=&Apache::edit::tag_start($target,$token);
1044: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1045: $result.=&Apache::edit::select_arg('Type:','type',
1046: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1047: ['mc','Case Insensitive, Any Order'],
1048: ['re','Regular Expression']],$token);
1049: $result.=&Apache::edit::text_arg('String to display for answer:',
1050: 'answerdisplay',$token);
1051: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1052: } elsif ($target eq 'modified') {
1053: my $constructtag;
1054: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1055: $safeeval,'answer',
1056: 'type','answerdisplay');
1057: if ($constructtag) {
1058: $result = &Apache::edit::rebuild_tag($token);
1059: $result.=&Apache::edit::handle_insert();
1060: }
1061: } elsif ($target eq 'web') {
1062: if ( &Apache::response::show_answer() ) {
1063: my $answer=
1064: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1065: if (!defined $answer || $answer eq '') {
1066: $answer=
1067: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1068: }
1069: $Apache::inputtags::answertxt{$id}=[$answer];
1070: }
1071: } elsif ($target eq 'answer' || $target eq 'grade') {
1072: &Apache::response::reset_params();
1073: }
1074: return $result;
1075: }
1076:
1077: sub end_stringresponse {
1078: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1079:
1080: my $result = '';
1081: my $part=$Apache::inputtags::part;
1082: my $id=$Apache::inputtags::response[-1];
1083: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1084: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1085: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1086: &Apache::lonxml::debug("current $answer ".$token->[2]);
1087: if (!$Apache::lonxml::default_homework_loaded) {
1088: &Apache::lonxml::default_homework_load($safeeval);
1089: }
1090: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1091: &Apache::response::setup_params('stringresponse',$safeeval);
1092: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1093: if ($Apache::lonhomework::type eq 'exam' ||
1094: &Apache::response::submitted('scantron')) {
1095: &Apache::response::scored_response($part,$id);
1096:
1097: } else {
1098: my $response = &Apache::response::getresponse();
1099: if ( $response =~ /[^\s]/) {
1100: my %previous = &Apache::response::check_for_previous($response,
1101: $part,$id);
1102: &Apache::lonxml::debug("submitted a $response<br>\n");
1103: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1104: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1105: $response;
1106: my ($ad,$msg);
1107: if ($type eq 're' ) {
1108: # if the RE wasn't in a var it likely got munged,
1109: # thus grab it from the var directly
1110: # my $testans=$token->[2]->{'answer'};
1111: # if ($testans !~ m/^\s*\$/) {
1112: # $answer=$token->[2]->{'answer'};
1113: # }
1114: ${$safeeval->varglob('LONCAPA::response')}=$response;
1115: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1116: &Apache::lonxml::debug("current $response");
1117: &Apache::lonxml::debug("current $answer");
1118: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1119: } else {
1120: my @args = ('type');
1121: my $args_ref = &setup_capa_args($safeeval,$parstack,
1122: \@args,$response);
1123:
1124: &add_in_tag_answer($parstack,$safeeval);
1125: my (@final_awards,@final_msgs,@names);
1126: foreach my $name (keys(%answer)) {
1127: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1128: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1129: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1130: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1131: my ($awards)=split(/:/,$result);
1132: my (@awards) = split(/,/,$awards);
1133: ($ad,$msg) =
1134: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1135: push(@final_awards,$ad);
1136: push(@final_msgs,$msg);
1137: push(@names,$name);
1138: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1139: }
1140: my ($ad, $msg, $name) =
1141: &Apache::inputtags::finalizeawards(\@final_awards,
1142: \@final_msgs,
1143: \@names,1);
1144: }
1145: if ($Apache::lonhomework::type eq 'survey' &&
1146: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1147: $ad eq 'EXACT_ANS')) {
1148: $ad='SUBMITTED';
1149: }
1150: &Apache::response::handle_previous(\%previous,$ad);
1151: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1152: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1153: }
1154: }
1155: } elsif ($target eq 'answer' || $target eq 'analyze') {
1156: &add_in_tag_answer($parstack,$safeeval);
1157: if ($target eq 'analyze') {
1158: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1159: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1160: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1161: 'answer');
1162: }
1163: &Apache::response::setup_params('stringresponse',$safeeval);
1164: if ($target eq 'answer') {
1165: $result.=&Apache::response::answer_header('stringresponse');
1166: }
1167: foreach my $name (keys(%answer)) {
1168: my @answers = @{ $answer{$name}{'answers'} };
1169: for (my $i=0;$i<=$#answers;$i++) {
1170: my $answer_part = $answers[$i];
1171: foreach my $element (@{$answer_part}) {
1172: if ($target eq 'answer') {
1173: $result.=&Apache::response::answer_part('stringresponse',
1174: $element);
1175: } elsif ($target eq 'analyze') {
1176: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1177: $element);
1178: }
1179: }
1180: if ($target eq 'answer' && $type eq 're') {
1181: $result.=&Apache::response::answer_part('stringresponse',
1182: $answerdisplay);
1183: }
1184: }
1185: }
1186: my $string='Case Insensitive';
1187: if ($type eq 'mc') {
1188: $string='Multiple Choice';
1189: } elsif ($type eq 'cs') {
1190: $string='Case Sensitive';
1191: } elsif ($type eq 'ci') {
1192: $string='Case Insensitive';
1193: } elsif ($type eq 're') {
1194: $string='Regular Expression';
1195: }
1196: if ($target eq 'answer') {
1197: if ($env{'form.answer_output_mode'} eq 'tex') {
1198: $result.=&Apache::response::answer_part('stringresponse',
1199: "$string");
1200: } else {
1201: $result.=&Apache::response::answer_part('stringresponse',
1202: "<b>$string</b>");
1203: }
1204: } elsif ($target eq 'analyze') {
1205: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1206: $type);
1207: }
1208: if ($target eq 'answer') {
1209: $result.=&Apache::response::answer_footer('stringresponse');
1210: }
1211: } elsif ($target eq 'edit') {
1212: $result.='</td></tr>'.&Apache::edit::end_table;
1213: } elsif ($target eq 'web' || $target eq 'tex') {
1214: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1215: }
1216: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1217: $target eq 'tex' || $target eq 'analyze') {
1218: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1219: }
1220: &Apache::response::end_response;
1221: return $result;
1222: }
1223:
1224: sub start_formularesponse {
1225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1226: my $result;
1227: if ($target eq 'meta') {
1228: &Apache::response::start_response($parstack,$safeeval);
1229: $result=&Apache::response::meta_package_write('formularesponse');
1230: &Apache::response::end_response();
1231: } else {
1232: $result.=&start_numericalresponse(@_);
1233: }
1234: return $result;
1235: }
1236:
1237: sub end_formularesponse {
1238: return end_numericalresponse(@_);
1239: }
1240:
1241: 1;
1242: __END__
1243:
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