1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.218 2007/08/29 21:55:37 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: $$args_ref{$key}=$Apache::inputtags::params{$key};
387: }
388: &setup_capa_response($args_ref,$response);
389: return $args_ref;
390: }
391:
392: sub setup_capa_response {
393: my ($args_ref,$response) = @_;
394:
395: if (ref($response)) {
396: $$args_ref{'response'}=dclone($response);
397: } else {
398: $$args_ref{'response'}=dclone([$response]);
399: }
400: }
401:
402: sub check_submission {
403: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
404: my @args = ('type','tol','sig','format','unit','calc','samples');
405: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
406:
407: my $hideunit=
408: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
409: #no way to enter units, with radio buttons
410: if ($Apache::lonhomework::type eq 'exam' ||
411: lc($hideunit) eq "yes") {
412: delete($$args_ref{'unit'});
413: }
414: #sig fig don't make much sense either
415: if (($Apache::lonhomework::type eq 'exam' ||
416: &Apache::response::submitted('scantron') ||
417: $ignore_sig) &&
418: $tag eq 'numericalresponse') {
419: delete($$args_ref{'sig'});
420: }
421:
422: if ($tag eq 'formularesponse') {
423: if ($$args_ref{'samples'}) {
424: $$args_ref{'type'}='fml';
425: } else {
426: $$args_ref{'type'}='math';
427: }
428: } elsif ($tag eq 'numericalresponse') {
429: $$args_ref{'type'}='float';
430: }
431:
432: &add_in_tag_answer($parstack,$safeeval);
433:
434: if (!%answer) {
435: &Apache::lonxml::error("No answers are defined");
436: }
437:
438: my (@final_awards,@final_msgs,@names);
439: foreach my $name (keys(%answer)) {
440: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
441:
442: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
443: &setup_capa_response($args_ref,$response);
444: use Time::HiRes;
445: my $t0 = [Time::HiRes::gettimeofday()];
446: my ($result,@msgs) =
447: &Apache::run::run("&caparesponse_check_list()",$safeeval);
448: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
449: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
450: my ($awards)=split(/:/,$result);
451: my @awards= split(/,/,$awards);
452: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
453: push(@final_awards,$ad);
454: push(@final_msgs,$msg);
455: push(@names,$name);
456: }
457: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
458: \@final_msgs,
459: \@names,1);
460: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
461: return($ad,$msg, $name);
462: }
463:
464: sub add_in_tag_answer {
465: my ($parstack,$safeeval,$response_level) = @_;
466: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
467: $response_level);
468: &Apache::lonxml::debug('answer is'.join(':',@answer));
469: if (@answer && $answer[0] =~ /\S/) {
470: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
471: 'answers' => [\@answer] };
472: }
473: }
474:
475: sub capa_formula_fix {
476: my ($expression)=@_;
477: return &Apache::response::implicit_multiplication($expression);
478: }
479:
480: sub end_numericalresponse {
481: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
482:
483: &Apache::lonxml::deregister('Apache::caparesponse',
484: ('answer','answergroup','value','array','unit',
485: 'vector'));
486: pop(@Apache::lonxml::namespace);
487:
488: my $increment=1;
489: my $result = '';
490: if (!$Apache::lonxml::default_homework_loaded) {
491: &Apache::lonxml::default_homework_load($safeeval);
492: }
493: my $partid = $Apache::inputtags::part;
494: my $id = $Apache::inputtags::response[-1];
495: my $tag;
496: my $safehole = new Safe::Hole;
497: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
498:
499: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
500: if ( $target eq 'grade' && &Apache::response::submitted() ) {
501: &Apache::response::setup_params($tag,$safeeval);
502: if ($Apache::lonhomework::type eq 'exam' &&
503: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
504: $increment=&Apache::response::scored_response($partid,$id);
505: } else {
506: my $response = &Apache::response::getresponse();
507: if ( $response =~ /[^\s]/) {
508: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
509: &Apache::lonxml::debug("submitted a $response<br>\n");
510: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
511:
512: if ( &Apache::response::submitted('scantron')) {
513: &add_in_tag_answer($parstack,$safeeval);
514: my ($values,$display)=&make_numerical_bubbles($partid,$id,
515: $target,$parstack,$safeeval);
516: $response=$values->[$response];
517: }
518: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
519: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
520: $tag,$parstack,
521: $safeeval);
522:
523: &Apache::lonxml::debug('ad is'.$ad);
524: if ($ad eq 'SIG_FAIL') {
525: my ($sig_u,$sig_l)=
526: &get_sigrange($Apache::inputtags::params{'sig'});
527: $msg=join(':',$msg,$sig_l,$sig_u);
528: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
529: $Apache::inputtags::params{'sig'});
530: }
531: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
532: if ($Apache::lonhomework::type eq 'survey' &&
533: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
534: $ad eq 'EXACT_ANS')) {
535: $ad='SUBMITTED';
536: }
537: &Apache::response::handle_previous(\%previous,$ad);
538: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
539: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
540: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
541: $result='';
542: }
543: }
544: } elsif ($target eq 'web' || $target eq 'tex') {
545: &check_for_answer_errors($parstack,$safeeval);
546: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
547: my $status = $Apache::inputtags::status['-1'];
548: if ($Apache::lonhomework::type eq 'exam') {
549: # FIXME support multi dimensional numerical problems
550: # in exam bubbles
551: my ($bubble_values,$bubble_display)=
552: &make_numerical_bubbles($partid,$id,$target,$parstack,
553: $safeeval);
554: my $number_of_bubbles = scalar(@{ $bubble_values });
555: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
556: $safeeval);
557: my @alphabet=('A'..'Z');
558: if ($target eq 'web') {
559: if ($tag eq 'numericalresponse') {
560: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
561: $result.= '<table border="1"><tr>';
562: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
563: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
564: my $checked='';
565: if ($previous eq $bubble_values->[$ind]) {
566: $checked=" checked='on' ";
567: }
568: $result.='<td><input type="radio" name="HWVAL_'.$id.
569: '" value="'.$bubble_values->[$ind].'" '.$checked
570: .' /><b>'.$alphabet[$ind].'</b>: '.
571: $bubble_display->[$ind].'</td>';
572: }
573: $result.='</tr></table>';
574: }
575: } elsif ($target eq 'tex') {
576: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
577: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
578: }
579: if ($tag eq 'numericalresponse') {
580: my ($celllength,$number_of_tables,@table_range)=
581: &get_table_sizes($number_of_bubbles,$bubble_display);
582: my $j=0;
583: my $cou=0;
584: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
585: for (my $i=0;$i<$number_of_tables;$i++) {
586: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
587: for (my $ind=0;$ind<$table_range[$j];$ind++) {
588: $result.='p{3 mm}p{'.$celllength.' mm}';
589: }
590: $result.='}';
591: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
592: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
593: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
594: }
595: $cou += $table_range[$j];
596: $j++;
597: $result.='\\\\\end{tabular}\vskip 0 mm ';
598: }
599: $result.='\end{enumerate}';
600: } else {
601: $increment = &Apache::response::repetition();
602: }
603: }
604: }
605: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
606: } elsif ($target eq 'edit') {
607: $result.='</td></tr>'.&Apache::edit::end_table;
608: } elsif ($target eq 'answer' || $target eq 'analyze') {
609: my $part_id="$partid.$id";
610: if ($target eq 'analyze') {
611: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
612: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, 1);
613: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
614: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
615: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
616: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
617: &Apache::response::check_if_computed($token,$parstack,
618: $safeeval,'answer');
619: }
620: if (scalar(@$tagstack)) {
621: &Apache::response::setup_params($tag,$safeeval);
622: }
623: &add_in_tag_answer($parstack,$safeeval);
624: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
625:
626: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
627:
628: if ($target eq 'answer') {
629: $result.=&Apache::response::answer_header($tag,undef,
630: scalar(keys(%answer)));
631: if ($tag eq 'numericalresponse'
632: && $Apache::lonhomework::type eq 'exam') {
633: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
634: $id,$target,$parstack,$safeeval);
635: $result.=&Apache::response::answer_part($tag,$correct);
636: }
637: }
638: foreach my $name (sort(keys(%answer))) {
639: my @answers = @{ $answer{$name}{'answers'} };
640: if ($target eq 'analyze') {
641: foreach my $info ('answer','ans_high','ans_low','format') {
642: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
643: }
644: }
645: my ($sigline,$tolline);
646: if ($name ne $tag_internal_answer_name
647: || scalar(keys(%answer)) > 1) {
648: $result.=&Apache::response::answer_part($tag,$name);
649: }
650: for(my $i=0;$i<=$#answers;$i++) {
651: my $ans=$answers[$i];
652: my $fmt=$formats[0];
653: if (@formats && $#formats) {$fmt=$formats[$i];}
654: my ($sighigh,$siglow);
655: if ($Apache::inputtags::params{'sig'}) {
656: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
657: }
658: my @vector;
659: if (ref($ans)) {
660: @vector = @{ $ans };
661: } else {
662: @vector = ($ans);
663: }
664: my @all_answer_info;
665: foreach my $element (@vector) {
666: my ($high,$low);
667: if ($Apache::inputtags::params{'tol'}) {
668: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
669: }
670: if ($target eq 'answer') {
671: if ($fmt && $tag eq 'numericalresponse') {
672: $fmt=~s/e/E/g;
673: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
674: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
675: $element = &format_number($element,$fmt,$target,$safeeval);
676: #if ($high) {
677: # $high=&format_number($high,$fmt,$target,$safeeval);
678: # $low =&format_number($low,$fmt,$target,$safeeval);
679: #}
680: }
681: if ($high && $tag eq 'numericalresponse') {
682: $element.=' ['.$low.','.$high.']';
683: $tolline .= "[$low, $high]";
684: }
685: if (defined($sighigh) && $tag eq 'numericalresponse') {
686: if ($env{'form.answer_output_mode'} eq 'tex') {
687: $element.= " Sig $siglow - $sighigh";
688: } else {
689: $element.= " Sig <i>$siglow - $sighigh</i>";
690: $sigline .= "[$siglow, $sighigh]";
691: }
692: }
693: push(@all_answer_info,$element);
694:
695: } elsif ($target eq 'analyze') {
696: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
697: if ($high) {
698: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
699: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
700: }
701: if ($fmt) {
702: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
703: }
704: }
705: }
706: if ($target eq 'answer') {
707: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
708: }
709: }
710:
711: my @fmt_ans;
712: for(my $i=0;$i<=$#answers;$i++) {
713: my $ans=$answers[$i];
714: my $fmt=$formats[0];
715: if (@formats && $#formats) {$fmt=$formats[$i];}
716: foreach my $element (@$ans) {
717: if ($fmt && $tag eq 'numericalresponse') {
718: $fmt=~s/e/E/g;
719: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
720: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
721: $element = &format_number($element,$fmt,$target,
722: $safeeval);
723: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
724: }
725: }
726: push(@fmt_ans,join(',',@$ans));
727: }
728: my $response=\@fmt_ans;
729:
730: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
731: $id.'.turnoffunit');
732: if ($unit ne '' &&
733: ! ($Apache::lonhomework::type eq 'exam' ||
734: lc($hideunit) eq "yes") ) {
735: my $cleanunit=$unit;
736: $cleanunit=~s/\$\,//g;
737: foreach my $ans (@fmt_ans) {
738: $ans.=" $cleanunit";
739: }
740: }
741: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
742: $parstack,$safeeval);
743: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
744: my $error;
745: if ($tag eq 'formularesponse') {
746: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
747: } else {
748: # answer failed check if it is sig figs that is failing
749: my ($ad,$msg)=&check_submission($response,$partid,$id,
750: $tag,$parstack,
751: $safeeval,1);
752: if ($sigline ne '') {
753: $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);
754: } else {
755: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
756: }
757: }
758: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
759: &Apache::lonxml::error($error);
760: } else {
761: &Apache::lonxml::warning($error);
762: }
763: }
764:
765: if (defined($unit) and ($unit ne '') and
766: $tag eq 'numericalresponse') {
767: if ($target eq 'answer') {
768: if ($env{'form.answer_output_mode'} eq 'tex') {
769: $result.=&Apache::response::answer_part($tag,
770: " Unit: $unit ");
771: } else {
772: $result.=&Apache::response::answer_part($tag,
773: "Unit: <b>$unit</b>");
774: }
775: } elsif ($target eq 'analyze') {
776: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
777: }
778: }
779: if ($tag eq 'formularesponse' && $target eq 'answer') {
780: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
781: $result.=&Apache::response::answer_part($tag,$samples);
782: }
783: $result.=&Apache::response::next_answer($tag,$name);
784: }
785: if ($target eq 'answer') {
786: $result.=&Apache::response::answer_footer($tag);
787: }
788: }
789: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
790: $target eq 'tex' || $target eq 'analyze') {
791: &Apache::lonxml::increment_counter($increment);
792: }
793: &Apache::response::end_response();
794: return $result;
795: }
796:
797: sub format_prior_response_numerical {
798: my ($mode,$answer) = @_;
799: if (ref($answer)) {
800: my $result = '<table class="LC_prior_numerical"><tr>';
801: foreach my $element (@{ $answer }) {
802: $result.= '<td><span class="LC_prior_numerical">'.
803: &HTML::Entities::encode($element,'"<>&').'</span></td>';
804: }
805: $result.='</tr></table>';
806: return $result;
807: }
808: return '<span class="LC_prior_numerical">'.
809: &HTML::Entities::encode($answer,'"<>&').'</span>';
810:
811: }
812:
813: sub check_for_answer_errors {
814: my ($parstack,$safeeval) = @_;
815: &add_in_tag_answer($parstack,$safeeval);
816: my %counts;
817: foreach my $name (keys(%answer)) {
818: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
819: }
820: if (scalar(keys(%counts)) > 1) {
821: my $counts = join(' ',map {
822: my $count = $_;
823: &mt("Answers [_1] had [_2] components.",
824: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
825: $count);
826: } (sort(keys(%counts))));
827: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
828: }
829: my $expected_number_of_inputs = (keys(%counts))[0];
830: if ( $expected_number_of_inputs > 0
831: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
832: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
833: $expected_number_of_inputs,
834: scalar(@Apache::inputtags::inputlist)));
835: }
836: }
837:
838: sub get_table_sizes {
839: my ($number_of_bubbles,$rbubble_values)=@_;
840: my $scale=2; #mm for one digit
841: my $cell_width=0;
842: foreach my $member (@$rbubble_values) {
843: my $cell_width_real=0;
844: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
845: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
846: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
847: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
848: } elsif ($member=~/(\d*)\.(\d*)/) {
849: $cell_width_real=(length($1)+length($2)+3)*$scale;
850: } else {
851: $cell_width_real=(length($member)+1)*$scale*0.9;
852: }
853: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
854: }
855: $cell_width+=8;
856: my $textwidth;
857: if ($env{'form.textwidth'} ne '') {
858: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
859: $textwidth=$1.'.'.$2;
860: } else {
861: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
862: $textwidth=$1.'.'.$2;
863: }
864: my $bubbles_per_line=int($textwidth/$cell_width);
865: if ($bubbles_per_line > $number_of_bubbles) {
866: $bubbles_per_line=$number_of_bubbles;
867: } elsif (($bubbles_per_line > $number_of_bubbles/2)
868: && ($number_of_bubbles % 2==0)) {
869: $bubbles_per_line=$number_of_bubbles/2;
870: }
871: if ($bubbles_per_line < 1) {
872: $bubbles_per_line=1;
873: }
874: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
875: my @table_range = ();
876: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
877: if ($number_of_bubbles % $bubbles_per_line) {
878: $number_of_tables++;
879: push @table_range,($number_of_bubbles % $bubbles_per_line);
880: }
881: $cell_width-=8;
882: $cell_width=$cell_width*3/4;
883: return ($cell_width,$number_of_tables,@table_range);
884: }
885:
886: sub format_number {
887: my ($number,$format,$target,$safeeval)=@_;
888: my $ans;
889: if ($format eq '') {
890: #What is the number? (integer,decimal,floating point)
891: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
892: $format = '3e';
893: } elsif ($number=~/^(\d*)\.(\d*)$/) {
894: $format = '4f';
895: } elsif ($number=~/^(\d*)$/) {
896: $format = 'd';
897: }
898: }
899: if (!$Apache::lonxml::default_homework_loaded) {
900: &Apache::lonxml::default_homework_load($safeeval);
901: }
902: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
903: return $ans;
904: }
905:
906: sub make_numerical_bubbles {
907: my ($part,$id,$target,$parstack,$safeeval) =@_;
908:
909: if (!%answer) {
910: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
911: return ([],[],undef);
912: }
913:
914: my $number_of_bubbles =
915: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
916:
917: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
918: my $name = (exists($answer{$tag_internal_answer_name})
919: ? $tag_internal_answer_name
920: : (sort(keys(%answer)))[0]);
921:
922: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
923: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
924: }
925: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
926: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
927: }
928:
929: my $answer = $answer{$name}{'answers'}[0][0];
930: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
931: $safeeval);
932: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
933:
934: my @bubble_values=();
935: my @alphabet=('A'..'Z');
936:
937: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
938: my @oldseed=&Math::Random::random_get_seed();
939: if (@incorrect) {
940: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
941: if (defined($incorrect[0]) &&
942: scalar(@incorrect)+1 >= $number_of_bubbles) {
943: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
944: &Apache::response::setrandomnumber();
945: my @rand_inc=&Math::Random::random_permutation(@incorrect);
946: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
947: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
948: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
949: &Math::Random::random_set_seed(@oldseed);
950:
951: my $correct;
952: for(my $i=0; $i<=$#bubble_values;$i++) {
953: if ($bubble_values[$i] eq $answer) {
954: $correct = $alphabet[$i];
955: last;
956: }
957: }
958:
959: if (defined($format) && $format ne '') {
960: my @bubble_display;
961: foreach my $value (@bubble_values) {
962: push(@bubble_display,
963: &format_number($value,$format,$target,$safeeval));
964: }
965: return (\@bubble_values,\@bubble_display,$correct);
966: } else {
967: return (\@bubble_values,\@bubble_values,$correct);
968: }
969: }
970: if (defined($incorrect[0]) &&
971: scalar(@incorrect)+1 < $number_of_bubbles) {
972: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
973: }
974: }
975: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
976: my @powers = (1..$number_of_bubbles);
977: &Apache::response::setrandomnumber();
978: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
979: my $power = $powers[$ind];
980: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
981: my $factor = $factors[$ind];
982: my @bubble_display;
983: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
984: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
985: $bubble_display[$ind] = &format_number($bubble_values[$ind],
986: $format,$target,$safeeval);
987:
988: }
989: my $correct = $alphabet[$number_of_bubbles-$power];
990: &Math::Random::random_set_seed(@oldseed);
991: return (\@bubble_values,\@bubble_display,$correct);
992: }
993:
994: sub get_tolrange {
995: my ($ans,$tol)=@_;
996: my ($high,$low);
997: if ($tol =~ /%$/) {
998: chop($tol);
999: my $change=$ans*($tol/100.0);
1000: $high=$ans+$change;
1001: $low=$ans-$change;
1002: } else {
1003: $high=$ans+$tol;
1004: $low=$ans-$tol;
1005: }
1006: return ($high,$low);
1007: }
1008:
1009: sub get_sigrange {
1010: my ($sig)=@_;
1011: #&Apache::lonxml::debug("Got a sig of :$sig:");
1012: my $courseid=$env{'request.course.id'};
1013: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1014: return (15,0);
1015: }
1016: my $sig_lbound;
1017: my $sig_ubound;
1018: if ($sig eq '') {
1019: $sig_lbound = 0; #SIG_LB_DEFAULT
1020: $sig_ubound =15; #SIG_UB_DEFAULT
1021: } else {
1022: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1023: if (!defined($sig_lbound)) {
1024: $sig_lbound = 0; #SIG_LB_DEFAULT
1025: $sig_ubound =15; #SIG_UB_DEFAULT
1026: }
1027: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1028: }
1029: if (($sig_ubound<$sig_lbound) ||
1030: ($sig_lbound > 15) ||
1031: ($sig =~/(\+|-)/ ) ) {
1032: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1033: if ($env{'request.state'} eq 'construct') {
1034: $errormsg.=
1035: &Apache::loncommon::help_open_topic('Significant_Figures');
1036: }
1037: &Apache::lonxml::error($errormsg);
1038: }
1039: return ($sig_ubound,$sig_lbound);
1040: }
1041:
1042: sub format_prior_response_string {
1043: my ($mode,$answer) =@_;
1044: return '<span class="LC_prior_string">'.
1045: &HTML::Entities::encode($answer,'"<>&').'</span>';
1046: }
1047:
1048: sub start_stringresponse {
1049: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1050: my $result;
1051: my $id = &Apache::response::start_response($parstack,$safeeval);
1052: if ($target eq 'meta') {
1053: $result=&Apache::response::meta_package_write('stringresponse');
1054: } elsif ($target eq 'edit') {
1055: $result.=&Apache::edit::tag_start($target,$token);
1056: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1057: $result.=&Apache::edit::select_arg('Type:','type',
1058: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1059: ['mc','Case Insensitive, Any Order'],
1060: ['re','Regular Expression']],$token);
1061: $result.=&Apache::edit::text_arg('String to display for answer:',
1062: 'answerdisplay',$token);
1063: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1064: } elsif ($target eq 'modified') {
1065: my $constructtag;
1066: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1067: $safeeval,'answer',
1068: 'type','answerdisplay');
1069: if ($constructtag) {
1070: $result = &Apache::edit::rebuild_tag($token);
1071: $result.=&Apache::edit::handle_insert();
1072: }
1073: } elsif ($target eq 'web') {
1074: if ( &Apache::response::show_answer() ) {
1075: my $answer=
1076: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1077: if (!defined $answer || $answer eq '') {
1078: $answer=
1079: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1080: }
1081: $Apache::inputtags::answertxt{$id}=[$answer];
1082: }
1083: } elsif ($target eq 'answer' || $target eq 'grade') {
1084: &Apache::response::reset_params();
1085: }
1086: return $result;
1087: }
1088:
1089: sub end_stringresponse {
1090: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1091:
1092: my $result = '';
1093: my $part=$Apache::inputtags::part;
1094: my $id=$Apache::inputtags::response[-1];
1095: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1096: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1097: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1098: &Apache::lonxml::debug("current $answer ".$token->[2]);
1099: if (!$Apache::lonxml::default_homework_loaded) {
1100: &Apache::lonxml::default_homework_load($safeeval);
1101: }
1102: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1103: &Apache::response::setup_params('stringresponse',$safeeval);
1104: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1105: if ($Apache::lonhomework::type eq 'exam' ||
1106: &Apache::response::submitted('scantron')) {
1107: &Apache::response::scored_response($part,$id);
1108:
1109: } else {
1110: my $response = &Apache::response::getresponse();
1111: if ( $response =~ /[^\s]/) {
1112: my %previous = &Apache::response::check_for_previous($response,
1113: $part,$id);
1114: &Apache::lonxml::debug("submitted a $response<br>\n");
1115: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1116: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1117: $response;
1118: my ($ad,$msg);
1119: if ($type eq 're' ) {
1120: # if the RE wasn't in a var it likely got munged,
1121: # thus grab it from the var directly
1122: # my $testans=$token->[2]->{'answer'};
1123: # if ($testans !~ m/^\s*\$/) {
1124: # $answer=$token->[2]->{'answer'};
1125: # }
1126: ${$safeeval->varglob('LONCAPA::response')}=$response;
1127: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1128: &Apache::lonxml::debug("current $response");
1129: &Apache::lonxml::debug("current $answer");
1130: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1131: } else {
1132: my @args = ('type');
1133: my $args_ref = &setup_capa_args($safeeval,$parstack,
1134: \@args,$response);
1135:
1136: &add_in_tag_answer($parstack,$safeeval);
1137: my (@final_awards,@final_msgs,@names);
1138: foreach my $name (keys(%answer)) {
1139: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1140: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1141: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1142: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1143: my ($awards)=split(/:/,$result);
1144: my (@awards) = split(/,/,$awards);
1145: ($ad,$msg) =
1146: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1147: push(@final_awards,$ad);
1148: push(@final_msgs,$msg);
1149: push(@names,$name);
1150: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1151: }
1152: my ($ad, $msg, $name) =
1153: &Apache::inputtags::finalizeawards(\@final_awards,
1154: \@final_msgs,
1155: \@names,1);
1156: }
1157: if ($Apache::lonhomework::type eq 'survey' &&
1158: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1159: $ad eq 'EXACT_ANS')) {
1160: $ad='SUBMITTED';
1161: }
1162: &Apache::response::handle_previous(\%previous,$ad);
1163: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1164: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1165: }
1166: }
1167: } elsif ($target eq 'answer' || $target eq 'analyze') {
1168: &add_in_tag_answer($parstack,$safeeval);
1169: if ($target eq 'analyze') {
1170: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1171: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1172: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1173: 'answer');
1174: }
1175: &Apache::response::setup_params('stringresponse',$safeeval);
1176: if ($target eq 'answer') {
1177: $result.=&Apache::response::answer_header('stringresponse');
1178: }
1179: foreach my $name (keys(%answer)) {
1180: my @answers = @{ $answer{$name}{'answers'} };
1181: for (my $i=0;$i<=$#answers;$i++) {
1182: my $answer_part = $answers[$i];
1183: foreach my $element (@{$answer_part}) {
1184: if ($target eq 'answer') {
1185: $result.=&Apache::response::answer_part('stringresponse',
1186: $element);
1187: } elsif ($target eq 'analyze') {
1188: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1189: $element);
1190: }
1191: }
1192: if ($target eq 'answer' && $type eq 're') {
1193: $result.=&Apache::response::answer_part('stringresponse',
1194: $answerdisplay);
1195: }
1196: }
1197: }
1198: my $string='Case Insensitive';
1199: if ($type eq 'mc') {
1200: $string='Multiple Choice';
1201: } elsif ($type eq 'cs') {
1202: $string='Case Sensitive';
1203: } elsif ($type eq 'ci') {
1204: $string='Case Insensitive';
1205: } elsif ($type eq 're') {
1206: $string='Regular Expression';
1207: }
1208: if ($target eq 'answer') {
1209: if ($env{'form.answer_output_mode'} eq 'tex') {
1210: $result.=&Apache::response::answer_part('stringresponse',
1211: "$string");
1212: } else {
1213: $result.=&Apache::response::answer_part('stringresponse',
1214: "<b>$string</b>");
1215: }
1216: } elsif ($target eq 'analyze') {
1217: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1218: $type);
1219: }
1220: if ($target eq 'answer') {
1221: $result.=&Apache::response::answer_footer('stringresponse');
1222: }
1223: } elsif ($target eq 'edit') {
1224: $result.='</td></tr>'.&Apache::edit::end_table;
1225: } elsif ($target eq 'web' || $target eq 'tex') {
1226: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1227: }
1228: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1229: $target eq 'tex' || $target eq 'analyze') {
1230: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1231: }
1232: &Apache::response::end_response;
1233: return $result;
1234: }
1235:
1236: sub start_formularesponse {
1237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1238: my $result;
1239: if ($target eq 'meta') {
1240: &Apache::response::start_response($parstack,$safeeval);
1241: $result=&Apache::response::meta_package_write('formularesponse');
1242: &Apache::response::end_response();
1243: } else {
1244: $result.=&start_numericalresponse(@_);
1245: }
1246: return $result;
1247: }
1248:
1249: sub end_formularesponse {
1250: return end_numericalresponse(@_);
1251: }
1252:
1253: 1;
1254: __END__
1255:
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