1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.228 2008/09/04 13:49:19 riegler 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 (($token->[1] eq 'formularesponse') &&
314: ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')) {
315: }
316: if ( &Apache::response::show_answer() ) {
317: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
318: $parstack,$parser,$safeeval,-1);
319: }
320: }
321: return $result;
322: }
323:
324: sub set_answertext {
325: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
326: $response_level) = @_;
327: &add_in_tag_answer($parstack,$safeeval,$response_level);
328:
329: if ($name eq '' || !ref($answer{$name})) {
330: if (ref($answer{$tag_internal_answer_name})) {
331: $name = $tag_internal_answer_name;
332: } else {
333: $name = (sort(keys(%answer)))[0];
334: }
335: }
336: return if ($name eq '' || !ref($answer{$name}));
337:
338: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
339: $safeeval,$response_level);
340: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
341: $response_level);
342:
343: &Apache::lonxml::debug("answer looks to be $name");
344: my @answertxt;
345: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
346: my $answertxt;
347: my $answer=$answer{$name}{'answers'}[$i];
348: foreach my $element (@$answer) {
349: if ( scalar(@$tagstack)
350: && $tagstack->[$response_level] ne 'numericalresponse') {
351: $answertxt.=$element.',';
352: } else {
353: my $format;
354: if ($#formats > 0) {
355: $format=$formats[$i];
356: } else {
357: $format=$formats[0];
358: }
359: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
360: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
361: my $formatted=&format_number($element,$format,$target,
362: $safeeval);
363: $answertxt.=' '.$formatted.',';
364: }
365:
366: }
367: chop($answertxt);
368: if ($target eq 'web') {
369: $answertxt.=" $unit ";
370: }
371:
372: push(@answertxt,$answertxt)
373: }
374:
375: my $id = $Apache::inputtags::response[-1];
376: $Apache::inputtags::answertxt{$id}=\@answertxt;
377: }
378:
379: sub setup_capa_args {
380: my ($safeeval,$parstack,$args,$response) = @_;
381: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
382: undef(%{ $args_ref });
383:
384: foreach my $arg (@{$args}) {
385: $$args_ref{$arg}=
386: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
387: }
388: foreach my $key (keys(%Apache::inputtags::params)) {
389: $$args_ref{$key}=$Apache::inputtags::params{$key};
390: }
391: &setup_capa_response($args_ref,$response);
392: return $args_ref;
393: }
394:
395: sub setup_capa_response {
396: my ($args_ref,$response) = @_;
397:
398: if (ref($response)) {
399: $$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: if (!%answer) {
438: &Apache::lonxml::error("No answers are defined");
439: }
440:
441: my (@final_awards,@final_msgs,@names);
442: foreach my $name (keys(%answer)) {
443: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
444:
445: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
446: &setup_capa_response($args_ref,$response);
447: use Time::HiRes;
448: my $t0 = [Time::HiRes::gettimeofday()];
449: my ($result,@msgs) =
450: &Apache::run::run("&caparesponse_check_list()",$safeeval);
451: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
452: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
453: my ($awards)=split(/:/,$result);
454: my @awards= split(/,/,$awards);
455: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
456: push(@final_awards,$ad);
457: push(@final_msgs,$msg);
458: push(@names,$name);
459: }
460: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
461: \@final_msgs,
462: \@names,1);
463: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
464: return($ad,$msg, $name);
465: }
466:
467: sub add_in_tag_answer {
468: my ($parstack,$safeeval,$response_level) = @_;
469: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
470: $response_level);
471: &Apache::lonxml::debug('answer is'.join(':',@answer));
472: if (@answer && $answer[0] =~ /\S/) {
473: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
474: 'answers' => [\@answer] };
475: }
476: }
477:
478: sub capa_formula_fix {
479: my ($expression)=@_;
480: return &Apache::response::implicit_multiplication($expression);
481: }
482:
483: sub end_numericalresponse {
484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
485:
486: &Apache::lonxml::deregister('Apache::caparesponse',
487: ('answer','answergroup','value','array','unit',
488: 'vector'));
489: pop(@Apache::lonxml::namespace);
490:
491: my $increment=1;
492: my $result = '';
493: if (!$Apache::lonxml::default_homework_loaded) {
494: &Apache::lonxml::default_homework_load($safeeval);
495: }
496: my $partid = $Apache::inputtags::part;
497: my $id = $Apache::inputtags::response[-1];
498: my $tag;
499: my $safehole = new Safe::Hole;
500: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
501:
502: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
503: if ( $target eq 'grade' && &Apache::response::submitted() ) {
504: &Apache::response::setup_params($tag,$safeeval);
505: if ($Apache::lonhomework::type eq 'exam' &&
506: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
507: $increment=&Apache::response::scored_response($partid,$id);
508: } else {
509: my $response = &Apache::response::getresponse();
510: if ( $response =~ /[^\s]/) {
511: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
512: &Apache::lonxml::debug("submitted a $response<br>\n");
513: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
514:
515: if ( &Apache::response::submitted('scantron')) {
516: &add_in_tag_answer($parstack,$safeeval);
517: my ($values,$display)=&make_numerical_bubbles($partid,$id,
518: $target,$parstack,$safeeval);
519: $response=$values->[$response];
520: }
521: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
522: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
523: $tag,$parstack,
524: $safeeval);
525:
526: &Apache::lonxml::debug('ad is'.$ad);
527: if ($ad eq 'SIG_FAIL') {
528: my ($sig_u,$sig_l)=
529: &get_sigrange($Apache::inputtags::params{'sig'});
530: $msg=join(':',$msg,$sig_l,$sig_u);
531: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
532: $Apache::inputtags::params{'sig'});
533: }
534: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
535: if ($Apache::lonhomework::type eq 'survey' &&
536: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
537: $ad eq 'EXACT_ANS')) {
538: $ad='SUBMITTED';
539: }
540: &Apache::response::handle_previous(\%previous,$ad);
541: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
542: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
543: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
544: $result='';
545: }
546: }
547: } elsif ($target eq 'web' || $target eq 'tex') {
548: &check_for_answer_errors($parstack,$safeeval);
549: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
550: my $status = $Apache::inputtags::status['-1'];
551: if ($Apache::lonhomework::type eq 'exam') {
552: # FIXME support multi dimensional numerical problems
553: # in exam bubbles
554: my ($bubble_values,$bubble_display)=
555: &make_numerical_bubbles($partid,$id,$target,$parstack,
556: $safeeval);
557: my $number_of_bubbles = scalar(@{ $bubble_values });
558: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
559: $safeeval);
560: my @alphabet=('A'..'Z');
561: if ($target eq 'web') {
562: if ($tag eq 'numericalresponse') {
563: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
564: $result.= '<table border="1"><tr>';
565: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
566: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
567: my $checked='';
568: if ($previous eq $bubble_values->[$ind]) {
569: $checked=" checked='on' ";
570: }
571: $result.='<td><input type="radio" name="HWVAL_'.$id.
572: '" value="'.$bubble_values->[$ind].'" '.$checked
573: .' /><b>'.$alphabet[$ind].'</b>: '.
574: $bubble_display->[$ind].'</td>';
575: }
576: $result.='</tr></table>';
577: }
578: } elsif ($target eq 'tex') {
579: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
580: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
581: }
582: if ($tag eq 'numericalresponse') {
583: my ($celllength,$number_of_tables,@table_range)=
584: &get_table_sizes($number_of_bubbles,$bubble_display);
585: my $j=0;
586: my $cou=0;
587: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
588: for (my $i=0;$i<$number_of_tables;$i++) {
589: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
590: for (my $ind=0;$ind<$table_range[$j];$ind++) {
591: $result.='p{3 mm}p{'.$celllength.' mm}';
592: }
593: $result.='}';
594: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
595: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
596: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
597: }
598: $cou += $table_range[$j];
599: $j++;
600: $result.='\\\\\end{tabular}\vskip 0 mm ';
601: }
602: $result.='\end{enumerate}';
603: } else {
604: $increment = &Apache::response::repetition();
605: }
606: }
607: }
608: if (($target eq 'web') && ($tag eq 'formularesponse')
609: && ($Apache::lonhomework::type ne 'exam')) {
610: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
611: }
612:
613: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
614: } elsif ($target eq 'edit') {
615: $result.='</td></tr>'.&Apache::edit::end_table;
616: } elsif ($target eq 'answer' || $target eq 'analyze') {
617: my $part_id="$partid.$id";
618: if ($target eq 'analyze') {
619: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
620: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
621: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
622: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
623: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
624: &Apache::response::check_if_computed($token,$parstack,
625: $safeeval,'answer');
626: }
627: if (scalar(@$tagstack)) {
628: &Apache::response::setup_params($tag,$safeeval);
629: }
630: &add_in_tag_answer($parstack,$safeeval);
631: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
632:
633: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
634:
635: if ($target eq 'answer') {
636: $result.=&Apache::response::answer_header($tag,undef,
637: scalar(keys(%answer)));
638: if ($tag eq 'numericalresponse'
639: && $Apache::lonhomework::type eq 'exam') {
640: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
641: $id,$target,$parstack,$safeeval);
642: $result.=&Apache::response::answer_part($tag,$correct);
643: }
644: }
645: foreach my $name (sort(keys(%answer))) {
646: my @answers = @{ $answer{$name}{'answers'} };
647: if ($target eq 'analyze') {
648: foreach my $info ('answer','ans_high','ans_low','format') {
649: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
650: }
651: }
652: my ($sigline,$tolline);
653: if ($name ne $tag_internal_answer_name
654: || scalar(keys(%answer)) > 1) {
655: $result.=&Apache::response::answer_part($tag,$name);
656: }
657: for(my $i=0;$i<=$#answers;$i++) {
658: my $ans=$answers[$i];
659: my $fmt=$formats[0];
660: if (@formats && $#formats) {$fmt=$formats[$i];}
661: my ($sighigh,$siglow);
662: if ($Apache::inputtags::params{'sig'}) {
663: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
664: }
665: my @vector;
666: if (ref($ans)) {
667: @vector = @{ $ans };
668: } else {
669: @vector = ($ans);
670: }
671: my @all_answer_info;
672: foreach my $element (@vector) {
673: my ($high,$low);
674: if ($Apache::inputtags::params{'tol'}) {
675: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
676: }
677: if ($target eq 'answer') {
678: if ($fmt && $tag eq 'numericalresponse') {
679: $fmt=~s/e/E/g;
680: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
681: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
682: $element = &format_number($element,$fmt,$target,$safeeval);
683: #if ($high) {
684: # $high=&format_number($high,$fmt,$target,$safeeval);
685: # $low =&format_number($low,$fmt,$target,$safeeval);
686: #}
687: }
688: if ($high && $tag eq 'numericalresponse') {
689: $element.='; ['.$low.'; '.$high.']';
690: $tolline .= "[$low, $high]";
691: }
692: if (defined($sighigh) && $tag eq 'numericalresponse') {
693: if ($env{'form.answer_output_mode'} eq 'tex') {
694: $element.= "; Sig $siglow - $sighigh";
695: } else {
696: $element.= " Sig <i>$siglow - $sighigh</i>";
697: $sigline .= "[$siglow, $sighigh]";
698: }
699: }
700: push(@all_answer_info,$element);
701:
702: } elsif ($target eq 'analyze') {
703: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
704: if ($high) {
705: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
706: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
707: }
708: if ($fmt) {
709: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
710: }
711: }
712: }
713: if ($target eq 'answer') {
714: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
715: }
716: }
717:
718: my @fmt_ans;
719: for(my $i=0;$i<=$#answers;$i++) {
720: my $ans=$answers[$i];
721: my $fmt=$formats[0];
722: if (@formats && $#formats) {$fmt=$formats[$i];}
723: foreach my $element (@$ans) {
724: if ($fmt && $tag eq 'numericalresponse') {
725: $fmt=~s/e/E/g;
726: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
727: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
728: $element = &format_number($element,$fmt,$target,
729: $safeeval);
730: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
731: }
732: }
733: push(@fmt_ans,join(',',@$ans));
734: }
735: my $response=\@fmt_ans;
736:
737: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
738: $id.'.turnoffunit');
739: if ($unit ne '' &&
740: ! ($Apache::lonhomework::type eq 'exam' ||
741: lc($hideunit) eq "yes") ) {
742: my $cleanunit=$unit;
743: $cleanunit=~s/\$\,//g;
744: foreach my $ans (@fmt_ans) {
745: $ans.=" $cleanunit";
746: }
747: }
748: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
749: $parstack,$safeeval);
750: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
751: my $error;
752: if ($tag eq 'formularesponse') {
753: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
754: } else {
755: # answer failed check if it is sig figs that is failing
756: my ($ad,$msg)=&check_submission($response,$partid,$id,
757: $tag,$parstack,
758: $safeeval,1);
759: if ($sigline ne '') {
760: $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);
761: } else {
762: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
763: }
764: }
765: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
766: &Apache::lonxml::error($error);
767: } else {
768: &Apache::lonxml::warning($error);
769: }
770: }
771:
772: if (defined($unit) and ($unit ne '') and
773: $tag eq 'numericalresponse') {
774: if ($target eq 'answer') {
775: if ($env{'form.answer_output_mode'} eq 'tex') {
776: $result.=&Apache::response::answer_part($tag,
777: " Unit: $unit ");
778: } else {
779: $result.=&Apache::response::answer_part($tag,
780: "Unit: <b>$unit</b>");
781: }
782: } elsif ($target eq 'analyze') {
783: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
784: }
785: }
786: if ($tag eq 'formularesponse' && $target eq 'answer') {
787: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
788: $result.=&Apache::response::answer_part($tag,$samples);
789: }
790: $result.=&Apache::response::next_answer($tag,$name);
791: }
792: if ($target eq 'answer') {
793: $result.=&Apache::response::answer_footer($tag);
794: }
795: }
796: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
797: $target eq 'tex' || $target eq 'analyze') {
798: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
799: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
800: if ($type eq 'exam') {
801: $increment = &Apache::response::repetition();
802: }
803: }
804: &Apache::lonxml::increment_counter($increment,"$partid.$id");
805: if ($target eq 'analyze') {
806: &Apache::lonhomework::set_bubble_lines();
807: }
808: }
809: &Apache::response::end_response();
810: return $result;
811: }
812:
813: sub format_prior_response_numerical {
814: my ($mode,$answer) = @_;
815: if (ref($answer)) {
816: my $result = '<table class="LC_prior_numerical"><tr>';
817: foreach my $element (@{ $answer }) {
818: $result.= '<td><span class="LC_prior_numerical">'.
819: &HTML::Entities::encode($element,'"<>&').'</span></td>';
820: }
821: $result.='</tr></table>';
822: return $result;
823: }
824: return '<span class="LC_prior_numerical">'.
825: &HTML::Entities::encode($answer,'"<>&').'</span>';
826:
827: }
828:
829: sub check_for_answer_errors {
830: my ($parstack,$safeeval) = @_;
831: &add_in_tag_answer($parstack,$safeeval);
832: my %counts;
833: foreach my $name (keys(%answer)) {
834: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
835: }
836: if (scalar(keys(%counts)) > 1) {
837: my $counts = join(' ',map {
838: my $count = $_;
839: &mt("Answers [_1] had [_2] components.",
840: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
841: $count);
842: } (sort(keys(%counts))));
843: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
844: }
845: my $expected_number_of_inputs = (keys(%counts))[0];
846: if ( $expected_number_of_inputs > 0
847: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
848: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
849: $expected_number_of_inputs,
850: scalar(@Apache::inputtags::inputlist)));
851: }
852: }
853:
854: sub get_table_sizes {
855: my ($number_of_bubbles,$rbubble_values)=@_;
856: my $scale=2; #mm for one digit
857: my $cell_width=0;
858: foreach my $member (@$rbubble_values) {
859: my $cell_width_real=0;
860: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
861: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
862: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
863: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
864: } elsif ($member=~/(\d*)\.(\d*)/) {
865: $cell_width_real=(length($1)+length($2)+3)*$scale;
866: } else {
867: $cell_width_real=(length($member)+1)*$scale*0.9;
868: }
869: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
870: }
871: $cell_width+=8;
872: my $textwidth;
873: if ($env{'form.textwidth'} ne '') {
874: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
875: $textwidth=$1.'.'.$2;
876: } else {
877: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
878: $textwidth=$1.'.'.$2;
879: }
880: my $bubbles_per_line=int($textwidth/$cell_width);
881: if ($bubbles_per_line > $number_of_bubbles) {
882: $bubbles_per_line=$number_of_bubbles;
883: } elsif (($bubbles_per_line > $number_of_bubbles/2)
884: && ($number_of_bubbles % 2==0)) {
885: $bubbles_per_line=$number_of_bubbles/2;
886: }
887: if ($bubbles_per_line < 1) {
888: $bubbles_per_line=1;
889: }
890: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
891: my @table_range = ();
892: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
893: if ($number_of_bubbles % $bubbles_per_line) {
894: $number_of_tables++;
895: push @table_range,($number_of_bubbles % $bubbles_per_line);
896: }
897: $cell_width-=8;
898: $cell_width=$cell_width*3/4;
899: return ($cell_width,$number_of_tables,@table_range);
900: }
901:
902: sub format_number {
903: my ($number,$format,$target,$safeeval)=@_;
904: my $ans;
905: if ($format eq '') {
906: #What is the number? (integer,decimal,floating point)
907: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
908: $format = '3e';
909: } elsif ($number=~/^(\d*)\.(\d*)$/) {
910: $format = '4f';
911: } elsif ($number=~/^(\d*)$/) {
912: $format = 'd';
913: }
914: }
915: if (!$Apache::lonxml::default_homework_loaded) {
916: &Apache::lonxml::default_homework_load($safeeval);
917: }
918: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
919: return $ans;
920: }
921:
922: sub make_numerical_bubbles {
923: my ($part,$id,$target,$parstack,$safeeval) =@_;
924:
925: if (!%answer) {
926: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
927: return ([],[],undef);
928: }
929:
930: my $number_of_bubbles =
931: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
932:
933: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
934: my $name = (exists($answer{$tag_internal_answer_name})
935: ? $tag_internal_answer_name
936: : (sort(keys(%answer)))[0]);
937:
938: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
939: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
940: }
941: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
942: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
943: }
944:
945: my $answer = $answer{$name}{'answers'}[0][0];
946: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
947: $safeeval);
948: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
949:
950: my @bubble_values=();
951: my @alphabet=('A'..'Z');
952:
953: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
954: my @oldseed=&Math::Random::random_get_seed();
955: if (@incorrect) {
956: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
957: if (defined($incorrect[0]) &&
958: scalar(@incorrect)+1 >= $number_of_bubbles) {
959: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
960: &Apache::response::setrandomnumber();
961: my @rand_inc=&Math::Random::random_permutation(@incorrect);
962: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
963: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
964: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
965: &Math::Random::random_set_seed(@oldseed);
966:
967: my $correct;
968: for(my $i=0; $i<=$#bubble_values;$i++) {
969: if ($bubble_values[$i] eq $answer) {
970: $correct = $alphabet[$i];
971: last;
972: }
973: }
974:
975: if (defined($format) && $format ne '') {
976: my @bubble_display;
977: foreach my $value (@bubble_values) {
978: push(@bubble_display,
979: &format_number($value,$format,$target,$safeeval));
980: }
981: return (\@bubble_values,\@bubble_display,$correct);
982: } else {
983: return (\@bubble_values,\@bubble_values,$correct);
984: }
985: }
986: if (defined($incorrect[0]) &&
987: scalar(@incorrect)+1 < $number_of_bubbles) {
988: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
989: }
990: }
991: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
992: my @powers = (1..$number_of_bubbles);
993: &Apache::response::setrandomnumber();
994: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
995: my $power = $powers[$ind];
996: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
997: my $factor = $factors[$ind];
998: my @bubble_display;
999: my $answerfactor=$answer;
1000: if ($answer==0) {
1001: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1002: &Math::Random::random_uniform_integer(1,1,10);
1003: }
1004: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1005: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1006: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1007: $format,$target,$safeeval);
1008: }
1009: my $correct = $alphabet[$number_of_bubbles-$power];
1010: if ($answer==0) {
1011: $correct='A';
1012: $bubble_values[0]=0;
1013: $bubble_display[0] = &format_number($bubble_values[0],
1014: $format,$target,$safeeval);
1015: }
1016: &Math::Random::random_set_seed(@oldseed);
1017: return (\@bubble_values,\@bubble_display,$correct);
1018: }
1019:
1020: sub get_tolrange {
1021: my ($ans,$tol)=@_;
1022: my ($high,$low);
1023: if ($tol =~ /%$/) {
1024: chop($tol);
1025: my $change=$ans*($tol/100.0);
1026: $high=$ans+$change;
1027: $low=$ans-$change;
1028: } else {
1029: $high=$ans+$tol;
1030: $low=$ans-$tol;
1031: }
1032: return ($high,$low);
1033: }
1034:
1035: sub get_sigrange {
1036: my ($sig)=@_;
1037: #&Apache::lonxml::debug("Got a sig of :$sig:");
1038: my $courseid=$env{'request.course.id'};
1039: if ($env{'request.state'} ne 'construct'
1040: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1041: return (15,0);
1042: }
1043: my $sig_lbound;
1044: my $sig_ubound;
1045: if ($sig eq '') {
1046: $sig_lbound = 0; #SIG_LB_DEFAULT
1047: $sig_ubound =15; #SIG_UB_DEFAULT
1048: } else {
1049: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1050: if (!defined($sig_lbound)) {
1051: $sig_lbound = 0; #SIG_LB_DEFAULT
1052: $sig_ubound =15; #SIG_UB_DEFAULT
1053: }
1054: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1055: }
1056: if (($sig_ubound<$sig_lbound) ||
1057: ($sig_lbound > 15) ||
1058: ($sig =~/(\+|-)/ ) ) {
1059: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1060: if ($env{'request.state'} eq 'construct') {
1061: $errormsg.=
1062: &Apache::loncommon::help_open_topic('Significant_Figures');
1063: }
1064: &Apache::lonxml::error($errormsg);
1065: }
1066: return ($sig_ubound,$sig_lbound);
1067: }
1068:
1069: sub format_prior_response_string {
1070: my ($mode,$answer) =@_;
1071: return '<span class="LC_prior_string">'.
1072: &HTML::Entities::encode($answer,'"<>&').'</span>';
1073: }
1074:
1075: sub start_stringresponse {
1076: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1077: my $result;
1078: my $id = &Apache::response::start_response($parstack,$safeeval);
1079: if ($target eq 'meta') {
1080: $result=&Apache::response::meta_package_write('stringresponse');
1081: } elsif ($target eq 'edit') {
1082: $result.=&Apache::edit::tag_start($target,$token);
1083: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1084: $result.=&Apache::edit::select_arg('Type:','type',
1085: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1086: ['mc','Case Insensitive, Any Order'],
1087: ['re','Regular Expression']],$token);
1088: $result.=&Apache::edit::text_arg('String to display for answer:',
1089: 'answerdisplay',$token);
1090: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1091: } elsif ($target eq 'modified') {
1092: my $constructtag;
1093: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1094: $safeeval,'answer',
1095: 'type','answerdisplay');
1096: if ($constructtag) {
1097: $result = &Apache::edit::rebuild_tag($token);
1098: $result.=&Apache::edit::handle_insert();
1099: }
1100: } elsif ($target eq 'web') {
1101: if ( &Apache::response::show_answer() ) {
1102: my $answer=
1103: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1104: if (!defined $answer || $answer eq '') {
1105: $answer=
1106: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1107: }
1108: $Apache::inputtags::answertxt{$id}=[$answer];
1109: }
1110: } elsif ($target eq 'answer' || $target eq 'grade') {
1111: &Apache::response::reset_params();
1112: }
1113: return $result;
1114: }
1115:
1116: sub end_stringresponse {
1117: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1118:
1119: my $result = '';
1120: my $part=$Apache::inputtags::part;
1121: my $id=$Apache::inputtags::response[-1];
1122: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1123: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1124: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1125: &Apache::lonxml::debug("current $answer ".$token->[2]);
1126: if (!$Apache::lonxml::default_homework_loaded) {
1127: &Apache::lonxml::default_homework_load($safeeval);
1128: }
1129: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1130: &Apache::response::setup_params('stringresponse',$safeeval);
1131: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1132: if ($Apache::lonhomework::type eq 'exam' ||
1133: &Apache::response::submitted('scantron')) {
1134: &Apache::response::scored_response($part,$id);
1135:
1136: } else {
1137: my $response = &Apache::response::getresponse();
1138: if ( $response =~ /[^\s]/) {
1139: my %previous = &Apache::response::check_for_previous($response,
1140: $part,$id);
1141: &Apache::lonxml::debug("submitted a $response<br>\n");
1142: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1143: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1144: $response;
1145: my ($ad,$msg);
1146: if ($type eq 're' ) {
1147: # if the RE wasn't in a var it likely got munged,
1148: # thus grab it from the var directly
1149: # my $testans=$token->[2]->{'answer'};
1150: # if ($testans !~ m/^\s*\$/) {
1151: # $answer=$token->[2]->{'answer'};
1152: # }
1153: ${$safeeval->varglob('LONCAPA::response')}=$response;
1154: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1155: &Apache::lonxml::debug("current $response");
1156: &Apache::lonxml::debug("current $answer");
1157: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1158: } else {
1159: my @args = ('type');
1160: my $args_ref = &setup_capa_args($safeeval,$parstack,
1161: \@args,$response);
1162:
1163: &add_in_tag_answer($parstack,$safeeval);
1164: my (@final_awards,@final_msgs,@names);
1165: foreach my $name (keys(%answer)) {
1166: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1167: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1168: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1169: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1170: my ($awards)=split(/:/,$result);
1171: my (@awards) = split(/,/,$awards);
1172: ($ad,$msg) =
1173: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1174: push(@final_awards,$ad);
1175: push(@final_msgs,$msg);
1176: push(@names,$name);
1177: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1178: }
1179: my ($ad, $msg, $name) =
1180: &Apache::inputtags::finalizeawards(\@final_awards,
1181: \@final_msgs,
1182: \@names,1);
1183: }
1184: if ($Apache::lonhomework::type eq 'survey' &&
1185: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1186: $ad eq 'EXACT_ANS')) {
1187: $ad='SUBMITTED';
1188: }
1189: &Apache::response::handle_previous(\%previous,$ad);
1190: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1191: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1192: }
1193: }
1194: } elsif ($target eq 'answer' || $target eq 'analyze') {
1195: &add_in_tag_answer($parstack,$safeeval);
1196: if ($target eq 'analyze') {
1197: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1198: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1199: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1200: 'answer');
1201: }
1202: &Apache::response::setup_params('stringresponse',$safeeval);
1203: if ($target eq 'answer') {
1204: $result.=&Apache::response::answer_header('stringresponse');
1205: }
1206: foreach my $name (keys(%answer)) {
1207: my @answers = @{ $answer{$name}{'answers'} };
1208: for (my $i=0;$i<=$#answers;$i++) {
1209: my $answer_part = $answers[$i];
1210: foreach my $element (@{$answer_part}) {
1211: if ($target eq 'answer') {
1212: $result.=&Apache::response::answer_part('stringresponse',
1213: $element);
1214: } elsif ($target eq 'analyze') {
1215: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1216: $element);
1217: }
1218: }
1219: if ($target eq 'answer' && $type eq 're') {
1220: $result.=&Apache::response::answer_part('stringresponse',
1221: $answerdisplay);
1222: }
1223: }
1224: }
1225: my $string='Case Insensitive';
1226: if ($type eq 'mc') {
1227: $string='Multiple Choice';
1228: } elsif ($type eq 'cs') {
1229: $string='Case Sensitive';
1230: } elsif ($type eq 'ci') {
1231: $string='Case Insensitive';
1232: } elsif ($type eq 're') {
1233: $string='Regular Expression';
1234: }
1235: if ($target eq 'answer') {
1236: if ($env{'form.answer_output_mode'} eq 'tex') {
1237: $result.=&Apache::response::answer_part('stringresponse',
1238: "$string");
1239: } else {
1240: $result.=&Apache::response::answer_part('stringresponse',
1241: "<b>$string</b>");
1242: }
1243: } elsif ($target eq 'analyze') {
1244: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1245: $type);
1246: }
1247: if ($target eq 'answer') {
1248: $result.=&Apache::response::answer_footer('stringresponse');
1249: }
1250: } elsif ($target eq 'edit') {
1251: $result.='</td></tr>'.&Apache::edit::end_table;
1252: } elsif ($target eq 'web' || $target eq 'tex') {
1253: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1254: }
1255: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1256: $target eq 'tex' || $target eq 'analyze') {
1257: &Apache::lonxml::increment_counter(&Apache::response::repetition(),
1258: "$part.$id");
1259: if ($target eq 'analyze') {
1260: &Apache::lonhomework::set_bubble_lines();
1261: }
1262: }
1263: &Apache::response::end_response;
1264: return $result;
1265: }
1266:
1267: sub start_formularesponse {
1268: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1269: my $result;
1270: if ($target eq 'meta') {
1271: &Apache::response::start_response($parstack,$safeeval);
1272: $result=&Apache::response::meta_package_write('formularesponse');
1273: &Apache::response::end_response();
1274: } else {
1275: $result.=&start_numericalresponse(@_);
1276: }
1277: return $result;
1278: }
1279:
1280: sub end_formularesponse {
1281: return end_numericalresponse(@_);
1282: }
1283:
1284: 1;
1285: __END__
1286:
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