File:
[LON-CAPA] /
loncom /
homework /
caparesponse /
caparesponse.pm
Revision
1.216:
download - view:
text,
annotated -
select for diffs
Wed Jun 6 17:03:54 2007 UTC (17 years ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_5_X,
version_2_5_2,
version_2_5_1,
version_2_5_0,
version_2_4_X,
version_2_4_99_0,
version_2_4_2,
version_2_4_1,
version_2_4_0,
HEAD
- preventing a possible divide by zero
1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.216 2007/06/06 17:03:54 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: my (@final_awards,@final_msgs,@names);
435: foreach my $name (keys(%answer)) {
436: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
437:
438: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
439: &setup_capa_response($args_ref,$response);
440: use Time::HiRes;
441: my $t0 = [Time::HiRes::gettimeofday()];
442: my ($result,@msgs) =
443: &Apache::run::run("&caparesponse_check_list()",$safeeval);
444: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
445: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
446: my ($awards)=split(/:/,$result);
447: my @awards= split(/,/,$awards);
448: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
449: push(@final_awards,$ad);
450: push(@final_msgs,$msg);
451: push(@names,$name);
452: }
453: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
454: \@final_msgs,
455: \@names,1);
456: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
457: return($ad,$msg, $name);
458: }
459:
460: sub add_in_tag_answer {
461: my ($parstack,$safeeval,$response_level) = @_;
462: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
463: $response_level);
464: &Apache::lonxml::debug('answer is'.join(':',@answer));
465: if (@answer && $answer[0] =~ /\S/) {
466: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
467: 'answers' => [\@answer] };
468: }
469: }
470:
471: sub capa_formula_fix {
472: my ($expression)=@_;
473: return &Apache::response::implicit_multiplication($expression);
474: }
475:
476: sub end_numericalresponse {
477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
478:
479: &Apache::lonxml::deregister('Apache::caparesponse',
480: ('answer','answergroup','value','array','unit',
481: 'vector'));
482: pop(@Apache::lonxml::namespace);
483:
484: my $increment=1;
485: my $result = '';
486: if (!$Apache::lonxml::default_homework_loaded) {
487: &Apache::lonxml::default_homework_load($safeeval);
488: }
489: my $partid = $Apache::inputtags::part;
490: my $id = $Apache::inputtags::response[-1];
491: my $tag;
492: my $safehole = new Safe::Hole;
493: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
494:
495: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
496: if ( $target eq 'grade' && &Apache::response::submitted() ) {
497: &Apache::response::setup_params($tag,$safeeval);
498: if ($Apache::lonhomework::type eq 'exam' &&
499: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
500: $increment=&Apache::response::scored_response($partid,$id);
501: } else {
502: my $response = &Apache::response::getresponse();
503: if ( $response =~ /[^\s]/) {
504: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
505: &Apache::lonxml::debug("submitted a $response<br>\n");
506: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
507:
508: if ( &Apache::response::submitted('scantron')) {
509: &add_in_tag_answer($parstack,$safeeval);
510: my ($values,$display)=&make_numerical_bubbles($partid,$id,
511: $target,$parstack,$safeeval);
512: $response=$values->[$response];
513: }
514: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
515: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
516: $tag,$parstack,
517: $safeeval);
518:
519: &Apache::lonxml::debug('ad is'.$ad);
520: if ($ad eq 'SIG_FAIL') {
521: my ($sig_u,$sig_l)=
522: &get_sigrange($Apache::inputtags::params{'sig'});
523: $msg=join(':',$msg,$sig_l,$sig_u);
524: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
525: $Apache::inputtags::params{'sig'});
526: }
527: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
528: if ($Apache::lonhomework::type eq 'survey' &&
529: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
530: $ad eq 'EXACT_ANS')) {
531: $ad='SUBMITTED';
532: }
533: &Apache::response::handle_previous(\%previous,$ad);
534: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
535: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
536: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
537: $result='';
538: }
539: }
540: } elsif ($target eq 'web' || $target eq 'tex') {
541: &check_for_answer_errors($parstack,$safeeval);
542: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
543: my $status = $Apache::inputtags::status['-1'];
544: if ($Apache::lonhomework::type eq 'exam') {
545: # FIXME support multi dimensional numerical problems
546: # in exam bubbles
547: my ($bubble_values,$bubble_display)=
548: &make_numerical_bubbles($partid,$id,$target,$parstack,
549: $safeeval);
550: my $number_of_bubbles = scalar(@{ $bubble_values });
551: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
552: $safeeval);
553: my @alphabet=('A'..'Z');
554: if ($target eq 'web') {
555: if ($tag eq 'numericalresponse') {
556: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
557: $result.= '<table border="1"><tr>';
558: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
559: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
560: my $checked='';
561: if ($previous eq $bubble_values->[$ind]) {
562: $checked=" checked='on' ";
563: }
564: $result.='<td><input type="radio" name="HWVAL_'.$id.
565: '" value="'.$bubble_values->[$ind].'" '.$checked
566: .' /><b>'.$alphabet[$ind].'</b>: '.
567: $bubble_display->[$ind].'</td>';
568: }
569: $result.='</tr></table>';
570: }
571: } elsif ($target eq 'tex') {
572: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
573: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
574: }
575: if ($tag eq 'numericalresponse') {
576: my ($celllength,$number_of_tables,@table_range)=
577: &get_table_sizes($number_of_bubbles,$bubble_display);
578: my $j=0;
579: my $cou=0;
580: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
581: for (my $i=0;$i<$number_of_tables;$i++) {
582: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
583: for (my $ind=0;$ind<$table_range[$j];$ind++) {
584: $result.='p{3 mm}p{'.$celllength.' mm}';
585: }
586: $result.='}';
587: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
588: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
589: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
590: }
591: $cou += $table_range[$j];
592: $j++;
593: $result.='\\\\\end{tabular}\vskip 0 mm ';
594: }
595: $result.='\end{enumerate}';
596: } else {
597: $increment = &Apache::response::repetition();
598: }
599: }
600: }
601: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
602: } elsif ($target eq 'edit') {
603: $result.='</td></tr>'.&Apache::edit::end_table;
604: } elsif ($target eq 'answer' || $target eq 'analyze') {
605: my $part_id="$partid.$id";
606: if ($target eq 'analyze') {
607: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
608: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
609: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
610: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
611: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
612: &Apache::response::check_if_computed($token,$parstack,
613: $safeeval,'answer');
614: }
615: if (scalar(@$tagstack)) {
616: &Apache::response::setup_params($tag,$safeeval);
617: }
618: &add_in_tag_answer($parstack,$safeeval);
619: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
620:
621: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
622:
623: if ($target eq 'answer') {
624: $result.=&Apache::response::answer_header($tag,undef,
625: scalar(keys(%answer)));
626: if ($tag eq 'numericalresponse'
627: && $Apache::lonhomework::type eq 'exam') {
628: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
629: $id,$target,$parstack,$safeeval);
630: $result.=&Apache::response::answer_part($tag,$correct);
631: }
632: }
633: foreach my $name (sort(keys(%answer))) {
634: my @answers = @{ $answer{$name}{'answers'} };
635: if ($target eq 'analyze') {
636: foreach my $info ('answer','ans_high','ans_low','format') {
637: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
638: }
639: }
640: my ($sigline,$tolline);
641: if ($name ne $tag_internal_answer_name
642: || scalar(keys(%answer)) > 1) {
643: $result.=&Apache::response::answer_part($tag,$name);
644: }
645: for(my $i=0;$i<=$#answers;$i++) {
646: my $ans=$answers[$i];
647: my $fmt=$formats[0];
648: if (@formats && $#formats) {$fmt=$formats[$i];}
649: my ($sighigh,$siglow);
650: if ($Apache::inputtags::params{'sig'}) {
651: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
652: }
653: my @vector;
654: if (ref($ans)) {
655: @vector = @{ $ans };
656: } else {
657: @vector = ($ans);
658: }
659: my @all_answer_info;
660: foreach my $element (@vector) {
661: my ($high,$low);
662: if ($Apache::inputtags::params{'tol'}) {
663: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
664: }
665: if ($target eq 'answer') {
666: if ($fmt && $tag eq 'numericalresponse') {
667: $fmt=~s/e/E/g;
668: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
669: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
670: $element = &format_number($element,$fmt,$target,$safeeval);
671: #if ($high) {
672: # $high=&format_number($high,$fmt,$target,$safeeval);
673: # $low =&format_number($low,$fmt,$target,$safeeval);
674: #}
675: }
676: if ($high && $tag eq 'numericalresponse') {
677: $element.=' ['.$low.','.$high.']';
678: $tolline .= "[$low, $high]";
679: }
680: if (defined($sighigh) && $tag eq 'numericalresponse') {
681: if ($env{'form.answer_output_mode'} eq 'tex') {
682: $element.= " Sig $siglow - $sighigh";
683: } else {
684: $element.= " Sig <i>$siglow - $sighigh</i>";
685: $sigline .= "[$siglow, $sighigh]";
686: }
687: }
688: push(@all_answer_info,$element);
689:
690: } elsif ($target eq 'analyze') {
691: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
692: if ($high) {
693: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
694: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
695: }
696: if ($fmt) {
697: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
698: }
699: }
700: }
701: if ($target eq 'answer') {
702: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
703: }
704: }
705:
706: my @fmt_ans;
707: for(my $i=0;$i<=$#answers;$i++) {
708: my $ans=$answers[$i];
709: my $fmt=$formats[0];
710: if (@formats && $#formats) {$fmt=$formats[$i];}
711: foreach my $element (@$ans) {
712: if ($fmt && $tag eq 'numericalresponse') {
713: $fmt=~s/e/E/g;
714: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
715: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
716: $element = &format_number($element,$fmt,$target,
717: $safeeval);
718: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
719: }
720: }
721: push(@fmt_ans,join(',',@$ans));
722: }
723: my $response=\@fmt_ans;
724:
725: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
726: $id.'.turnoffunit');
727: if ($unit ne '' &&
728: ! ($Apache::lonhomework::type eq 'exam' ||
729: lc($hideunit) eq "yes") ) {
730: my $cleanunit=$unit;
731: $cleanunit=~s/\$\,//g;
732: foreach my $ans (@fmt_ans) {
733: $ans.=" $cleanunit";
734: }
735: }
736: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
737: $parstack,$safeeval);
738: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
739: my $error;
740: if ($tag eq 'formularesponse') {
741: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
742: } else {
743: # answer failed check if it is sig figs that is failing
744: my ($ad,$msg)=&check_submission($response,$partid,$id,
745: $tag,$parstack,
746: $safeeval,1);
747: if ($sigline ne '') {
748: $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);
749: } else {
750: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
751: }
752: }
753: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
754: &Apache::lonxml::error($error);
755: } else {
756: &Apache::lonxml::warning($error);
757: }
758: }
759:
760: if (defined($unit) and ($unit ne '') and
761: $tag eq 'numericalresponse') {
762: if ($target eq 'answer') {
763: if ($env{'form.answer_output_mode'} eq 'tex') {
764: $result.=&Apache::response::answer_part($tag,
765: " Unit: $unit ");
766: } else {
767: $result.=&Apache::response::answer_part($tag,
768: "Unit: <b>$unit</b>");
769: }
770: } elsif ($target eq 'analyze') {
771: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
772: }
773: }
774: if ($tag eq 'formularesponse' && $target eq 'answer') {
775: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
776: $result.=&Apache::response::answer_part($tag,$samples);
777: }
778: $result.=&Apache::response::next_answer($tag,$name);
779: }
780: if ($target eq 'answer') {
781: $result.=&Apache::response::answer_footer($tag);
782: }
783: }
784: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
785: $target eq 'tex' || $target eq 'analyze') {
786: &Apache::lonxml::increment_counter($increment);
787: }
788: &Apache::response::end_response();
789: return $result;
790: }
791:
792: sub format_prior_response_numerical {
793: my ($mode,$answer) = @_;
794: if (ref($answer)) {
795: my $result = '<table class="LC_prior_numerical"><tr>';
796: foreach my $element (@{ $answer }) {
797: $result.= '<td><span class="LC_prior_numerical">'.
798: &HTML::Entities::encode($element,'"<>&').'</span></td>';
799: }
800: $result.='</tr></table>';
801: return $result;
802: }
803: return '<span class="LC_prior_numerical">'.
804: &HTML::Entities::encode($answer,'"<>&').'</span>';
805:
806: }
807:
808: sub check_for_answer_errors {
809: my ($parstack,$safeeval) = @_;
810: &add_in_tag_answer($parstack,$safeeval);
811: my %counts;
812: foreach my $name (keys(%answer)) {
813: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
814: }
815: if (scalar(keys(%counts)) > 1) {
816: my $counts = join(' ',map {
817: my $count = $_;
818: &mt("Answers [_1] had [_2] components.",
819: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
820: $count);
821: } (sort(keys(%counts))));
822: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
823: }
824: my $expected_number_of_inputs = (keys(%counts))[0];
825: if ( $expected_number_of_inputs > 0
826: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
827: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
828: $expected_number_of_inputs,
829: scalar(@Apache::inputtags::inputlist)));
830: }
831: }
832:
833: sub get_table_sizes {
834: my ($number_of_bubbles,$rbubble_values)=@_;
835: my $scale=2; #mm for one digit
836: my $cell_width=0;
837: foreach my $member (@$rbubble_values) {
838: my $cell_width_real=0;
839: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
840: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
841: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
842: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
843: } elsif ($member=~/(\d*)\.(\d*)/) {
844: $cell_width_real=(length($1)+length($2)+3)*$scale;
845: } else {
846: $cell_width_real=(length($member)+1)*$scale*0.9;
847: }
848: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
849: }
850: $cell_width+=8;
851: my $textwidth;
852: if ($env{'form.textwidth'} ne '') {
853: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
854: $textwidth=$1.'.'.$2;
855: } else {
856: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
857: $textwidth=$1.'.'.$2;
858: }
859: my $bubbles_per_line=int($textwidth/$cell_width);
860: if ($bubbles_per_line > $number_of_bubbles) {
861: $bubbles_per_line=$number_of_bubbles;
862: } elsif (($bubbles_per_line > $number_of_bubbles/2)
863: && ($number_of_bubbles % 2==0)) {
864: $bubbles_per_line=$number_of_bubbles/2;
865: }
866: if ($bubbles_per_line < 1) {
867: $bubbles_per_line=1;
868: }
869: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
870: my @table_range = ();
871: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
872: if ($number_of_bubbles % $bubbles_per_line) {
873: $number_of_tables++;
874: push @table_range,($number_of_bubbles % $bubbles_per_line);
875: }
876: $cell_width-=8;
877: $cell_width=$cell_width*3/4;
878: return ($cell_width,$number_of_tables,@table_range);
879: }
880:
881: sub format_number {
882: my ($number,$format,$target,$safeeval)=@_;
883: my $ans;
884: if ($format eq '') {
885: #What is the number? (integer,decimal,floating point)
886: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
887: $format = '3e';
888: } elsif ($number=~/^(\d*)\.(\d*)$/) {
889: $format = '4f';
890: } elsif ($number=~/^(\d*)$/) {
891: $format = 'd';
892: }
893: }
894: if (!$Apache::lonxml::default_homework_loaded) {
895: &Apache::lonxml::default_homework_load($safeeval);
896: }
897: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
898: return $ans;
899: }
900:
901: sub make_numerical_bubbles {
902: my ($part,$id,$target,$parstack,$safeeval) =@_;
903:
904: if (!%answer) {
905: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
906: return ([],[],undef);
907: }
908:
909: my $number_of_bubbles =
910: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
911:
912: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
913: my $name = (exists($answer{$tag_internal_answer_name})
914: ? $tag_internal_answer_name
915: : (sort(keys(%answer)))[0]);
916:
917: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
918: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
919: }
920: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
921: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
922: }
923:
924: my $answer = $answer{$name}{'answers'}[0][0];
925: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
926: $safeeval);
927: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
928:
929: my @bubble_values=();
930: my @alphabet=('A'..'Z');
931:
932: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
933: my @oldseed=&Math::Random::random_get_seed();
934: if (@incorrect) {
935: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
936: if (defined($incorrect[0]) &&
937: scalar(@incorrect)+1 >= $number_of_bubbles) {
938: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
939: &Apache::response::setrandomnumber();
940: my @rand_inc=&Math::Random::random_permutation(@incorrect);
941: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
942: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
943: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
944: &Math::Random::random_set_seed(@oldseed);
945:
946: my $correct;
947: for(my $i=0; $i<=$#bubble_values;$i++) {
948: if ($bubble_values[$i] eq $answer) {
949: $correct = $alphabet[$i];
950: last;
951: }
952: }
953:
954: if (defined($format) && $format ne '') {
955: my @bubble_display;
956: foreach my $value (@bubble_values) {
957: push(@bubble_display,
958: &format_number($value,$format,$target,$safeeval));
959: }
960: return (\@bubble_values,\@bubble_display,$correct);
961: } else {
962: return (\@bubble_values,\@bubble_values,$correct);
963: }
964: }
965: if (defined($incorrect[0]) &&
966: scalar(@incorrect)+1 < $number_of_bubbles) {
967: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
968: }
969: }
970: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
971: my @powers = (1..$number_of_bubbles);
972: &Apache::response::setrandomnumber();
973: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
974: my $power = $powers[$ind];
975: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
976: my $factor = $factors[$ind];
977: my @bubble_display;
978: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
979: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
980: $bubble_display[$ind] = &format_number($bubble_values[$ind],
981: $format,$target,$safeeval);
982:
983: }
984: my $correct = $alphabet[$number_of_bubbles-$power];
985: &Math::Random::random_set_seed(@oldseed);
986: return (\@bubble_values,\@bubble_display,$correct);
987: }
988:
989: sub get_tolrange {
990: my ($ans,$tol)=@_;
991: my ($high,$low);
992: if ($tol =~ /%$/) {
993: chop($tol);
994: my $change=$ans*($tol/100.0);
995: $high=$ans+$change;
996: $low=$ans-$change;
997: } else {
998: $high=$ans+$tol;
999: $low=$ans-$tol;
1000: }
1001: return ($high,$low);
1002: }
1003:
1004: sub get_sigrange {
1005: my ($sig)=@_;
1006: #&Apache::lonxml::debug("Got a sig of :$sig:");
1007: my $courseid=$env{'request.course.id'};
1008: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1009: return (15,0);
1010: }
1011: my $sig_lbound;
1012: my $sig_ubound;
1013: if ($sig eq '') {
1014: $sig_lbound = 0; #SIG_LB_DEFAULT
1015: $sig_ubound =15; #SIG_UB_DEFAULT
1016: } else {
1017: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1018: if (!defined($sig_lbound)) {
1019: $sig_lbound = 0; #SIG_LB_DEFAULT
1020: $sig_ubound =15; #SIG_UB_DEFAULT
1021: }
1022: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1023: }
1024: if (($sig_ubound<$sig_lbound) ||
1025: ($sig_lbound > 15) ||
1026: ($sig =~/(\+|-)/ ) ) {
1027: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1028: if ($env{'request.state'} eq 'construct') {
1029: $errormsg.=
1030: &Apache::loncommon::help_open_topic('Significant_Figures');
1031: }
1032: &Apache::lonxml::error($errormsg);
1033: }
1034: return ($sig_ubound,$sig_lbound);
1035: }
1036:
1037: sub format_prior_response_string {
1038: my ($mode,$answer) =@_;
1039: return '<span class="LC_prior_string">'.
1040: &HTML::Entities::encode($answer,'"<>&').'</span>';
1041: }
1042:
1043: sub start_stringresponse {
1044: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1045: my $result;
1046: my $id = &Apache::response::start_response($parstack,$safeeval);
1047: if ($target eq 'meta') {
1048: $result=&Apache::response::meta_package_write('stringresponse');
1049: } elsif ($target eq 'edit') {
1050: $result.=&Apache::edit::tag_start($target,$token);
1051: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1052: $result.=&Apache::edit::select_arg('Type:','type',
1053: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1054: ['mc','Case Insensitive, Any Order'],
1055: ['re','Regular Expression']],$token);
1056: $result.=&Apache::edit::text_arg('String to display for answer:',
1057: 'answerdisplay',$token);
1058: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1059: } elsif ($target eq 'modified') {
1060: my $constructtag;
1061: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1062: $safeeval,'answer',
1063: 'type','answerdisplay');
1064: if ($constructtag) {
1065: $result = &Apache::edit::rebuild_tag($token);
1066: $result.=&Apache::edit::handle_insert();
1067: }
1068: } elsif ($target eq 'web') {
1069: if ( &Apache::response::show_answer() ) {
1070: my $answer=
1071: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1072: if (!defined $answer || $answer eq '') {
1073: $answer=
1074: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1075: }
1076: $Apache::inputtags::answertxt{$id}=[$answer];
1077: }
1078: } elsif ($target eq 'answer' || $target eq 'grade') {
1079: &Apache::response::reset_params();
1080: }
1081: return $result;
1082: }
1083:
1084: sub end_stringresponse {
1085: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1086:
1087: my $result = '';
1088: my $part=$Apache::inputtags::part;
1089: my $id=$Apache::inputtags::response[-1];
1090: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1091: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1092: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1093: &Apache::lonxml::debug("current $answer ".$token->[2]);
1094: if (!$Apache::lonxml::default_homework_loaded) {
1095: &Apache::lonxml::default_homework_load($safeeval);
1096: }
1097: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1098: &Apache::response::setup_params('stringresponse',$safeeval);
1099: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1100: if ($Apache::lonhomework::type eq 'exam' ||
1101: &Apache::response::submitted('scantron')) {
1102: &Apache::response::scored_response($part,$id);
1103:
1104: } else {
1105: my $response = &Apache::response::getresponse();
1106: if ( $response =~ /[^\s]/) {
1107: my %previous = &Apache::response::check_for_previous($response,
1108: $part,$id);
1109: &Apache::lonxml::debug("submitted a $response<br>\n");
1110: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1111: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1112: $response;
1113: my ($ad,$msg);
1114: if ($type eq 're' ) {
1115: # if the RE wasn't in a var it likely got munged,
1116: # thus grab it from the var directly
1117: # my $testans=$token->[2]->{'answer'};
1118: # if ($testans !~ m/^\s*\$/) {
1119: # $answer=$token->[2]->{'answer'};
1120: # }
1121: ${$safeeval->varglob('LONCAPA::response')}=$response;
1122: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1123: &Apache::lonxml::debug("current $response");
1124: &Apache::lonxml::debug("current $answer");
1125: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1126: } else {
1127: my @args = ('type');
1128: my $args_ref = &setup_capa_args($safeeval,$parstack,
1129: \@args,$response);
1130:
1131: &add_in_tag_answer($parstack,$safeeval);
1132: my (@final_awards,@final_msgs,@names);
1133: foreach my $name (keys(%answer)) {
1134: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1135: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1136: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1137: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1138: my ($awards)=split(/:/,$result);
1139: my (@awards) = split(/,/,$awards);
1140: ($ad,$msg) =
1141: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1142: push(@final_awards,$ad);
1143: push(@final_msgs,$msg);
1144: push(@names,$name);
1145: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1146: }
1147: my ($ad, $msg, $name) =
1148: &Apache::inputtags::finalizeawards(\@final_awards,
1149: \@final_msgs,
1150: \@names,1);
1151: }
1152: if ($Apache::lonhomework::type eq 'survey' &&
1153: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1154: $ad eq 'EXACT_ANS')) {
1155: $ad='SUBMITTED';
1156: }
1157: &Apache::response::handle_previous(\%previous,$ad);
1158: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1159: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1160: }
1161: }
1162: } elsif ($target eq 'answer' || $target eq 'analyze') {
1163: &add_in_tag_answer($parstack,$safeeval);
1164: if ($target eq 'analyze') {
1165: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1166: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1167: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1168: 'answer');
1169: }
1170: &Apache::response::setup_params('stringresponse',$safeeval);
1171: if ($target eq 'answer') {
1172: $result.=&Apache::response::answer_header('stringresponse');
1173: }
1174: foreach my $name (keys(%answer)) {
1175: my @answers = @{ $answer{$name}{'answers'} };
1176: for (my $i=0;$i<=$#answers;$i++) {
1177: my $answer_part = $answers[$i];
1178: foreach my $element (@{$answer_part}) {
1179: if ($target eq 'answer') {
1180: $result.=&Apache::response::answer_part('stringresponse',
1181: $element);
1182: } elsif ($target eq 'analyze') {
1183: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1184: $element);
1185: }
1186: }
1187: if ($target eq 'answer' && $type eq 're') {
1188: $result.=&Apache::response::answer_part('stringresponse',
1189: $answerdisplay);
1190: }
1191: }
1192: }
1193: my $string='Case Insensitive';
1194: if ($type eq 'mc') {
1195: $string='Multiple Choice';
1196: } elsif ($type eq 'cs') {
1197: $string='Case Sensitive';
1198: } elsif ($type eq 'ci') {
1199: $string='Case Insensitive';
1200: } elsif ($type eq 're') {
1201: $string='Regular Expression';
1202: }
1203: if ($target eq 'answer') {
1204: if ($env{'form.answer_output_mode'} eq 'tex') {
1205: $result.=&Apache::response::answer_part('stringresponse',
1206: "$string");
1207: } else {
1208: $result.=&Apache::response::answer_part('stringresponse',
1209: "<b>$string</b>");
1210: }
1211: } elsif ($target eq 'analyze') {
1212: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1213: $type);
1214: }
1215: if ($target eq 'answer') {
1216: $result.=&Apache::response::answer_footer('stringresponse');
1217: }
1218: } elsif ($target eq 'edit') {
1219: $result.='</td></tr>'.&Apache::edit::end_table;
1220: } elsif ($target eq 'web' || $target eq 'tex') {
1221: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1222: }
1223: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1224: $target eq 'tex' || $target eq 'analyze') {
1225: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1226: }
1227: &Apache::response::end_response;
1228: return $result;
1229: }
1230:
1231: sub start_formularesponse {
1232: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1233: my $result;
1234: if ($target eq 'meta') {
1235: &Apache::response::start_response($parstack,$safeeval);
1236: $result=&Apache::response::meta_package_write('formularesponse');
1237: &Apache::response::end_response();
1238: } else {
1239: $result.=&start_numericalresponse(@_);
1240: }
1241: return $result;
1242: }
1243:
1244: sub end_formularesponse {
1245: return end_numericalresponse(@_);
1246: }
1247:
1248: 1;
1249: __END__
1250:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to caparesponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework / caparesponse