1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.266 2025/02/20 06:36:00 raeburn 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::lonmsg();
37: use Apache::response();
38: use Storable qw(dclone);
39: use Apache::lonnet;
40:
41: BEGIN {
42: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
43: }
44:
45: my %answer;
46: my @answers;
47: my @alphabet=('A'..'Z');
48:
49: sub get_answer { return %answer; };
50: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
51: sub pop_answer { %answer = %{pop(@answers)}; };
52:
53: my $cur_name;
54: my $tag_internal_answer_name = 'INTERNAL';
55:
56: sub start_answer {
57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
58: my $result;
59: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
60: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
61: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
62: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
63: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
64: }
65: if (!defined($type)) { $type = 'ordered' };
66: $answer{$cur_name}= { 'type' => $type,
67: 'answers' => [] };
68: if ($target eq 'edit') {
69: $result.=&Apache::edit::tag_start($target,$token);
70: $result.=&Apache::edit::text_arg('Name:','name',$token);
71: $result.=&Apache::edit::select_arg('Type:','type',
72: [['ordered', 'Ordered' ],
73: ['unordered','Unordered'],],
74: $token);
75: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
76: } elsif ($target eq 'modified') {
77: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
78: $safeeval,'name',
79: 'type');
80: if ($constructtag) {
81: $result = &Apache::edit::rebuild_tag($token);
82: $result.= &Apache::edit::handle_insert();
83: }
84: }
85: return $result;
86: }
87:
88: sub end_answer {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
90: my $result;
91: if ($target eq 'edit') {
92: $result .= &Apache::edit::tag_end();
93: }
94:
95: undef($cur_name);
96: return $result;
97: }
98:
99: sub insert_answer {
100: return '
101: <answer>
102: <value></value>
103: </answer>';
104: }
105:
106: sub start_answergroup {
107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
108: my $result;
109: if ($target eq 'edit') {
110: $result.=&Apache::edit::tag_start($target,$token);
111: $result.=&Apache::edit::select_arg('Type:','type',
112: [['ordered', 'Ordered' ],
113: ['unordered','Unordered'],],
114: $token);
115: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
116: } elsif ($target eq 'modified') {
117: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
118: $safeeval,'name',
119: 'type');
120: if ($constructtag) {
121: $result = &Apache::edit::rebuild_tag($token);
122: $result.= &Apache::edit::handle_insert();
123: }
124: }
125: return $result;
126: }
127:
128: sub end_answergroup {
129: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
130: my $result;
131: if ($target eq 'web') {
132: if ( &Apache::response::show_answer() ) {
133: my $partid = $Apache::inputtags::part;
134: my $id = $Apache::inputtags::response[-1];
135: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
136: $target,$token,$tagstack,$parstack,$parser,
137: $safeeval,-2);
138: }
139: } elsif ($target eq 'edit') {
140: $result .= &Apache::edit::tag_end();
141: }
142: return $result;
143: }
144:
145: sub insert_answergroup {
146: return '
147: <answergroup>
148: <answer>
149: <value></value>
150: </answer>
151: </answergroup>';
152: }
153:
154: sub start_value {
155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
156: my $result;
157: if ( $target eq 'web' || $target eq 'tex' ||
158: $target eq 'grade' || $target eq 'webgrade' ||
159: $target eq 'answer' || $target eq 'analyze' ) {
160: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
161: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
162: $$parstack[-1]);
163:
164: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
165:
166: } elsif ($target eq 'edit') {
167: $result.=&Apache::edit::tag_start($target,$token);
168: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
169: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
170: &Apache::edit::end_row();
171: } elsif ($target eq 'modified') {
172: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
173: }
174: return $result;
175: }
176:
177: sub end_value {
178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
179: my $result;
180: if ($target eq 'edit') {
181: $result = &Apache::edit::end_table();
182: }
183: return $result;
184: }
185:
186: sub insert_value {
187: return '
188: <value></value>';
189: }
190:
191: sub start_vector {
192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
193: my $result;
194: if ( $target eq 'web' || $target eq 'tex' ||
195: $target eq 'grade' || $target eq 'webgrade' ||
196: $target eq 'answer' || $target eq 'analyze' ) {
197: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
198: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
199: if (@values == 1) {
200: @values = split(',',$values[0]);
201: }
202: push(@{ $answer{$cur_name}{'answers'} },\@values);
203: } elsif ($target eq 'edit') {
204: $result.=&Apache::edit::tag_start($target,$token);
205: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
206: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
207: &Apache::edit::end_row();
208: } elsif ($target eq 'modified') {
209: $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
210: }
211: return $result;
212: }
213:
214: sub end_vector {
215: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
216: my $result;
217: if ($target eq 'edit') {
218: $result = &Apache::edit::end_table();
219: }
220: return $result;
221: }
222:
223: sub insert_vector {
224: return '
225: <value></value>';
226: }
227:
228: sub start_array {
229: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
230: my $result;
231: if ( $target eq 'web' || $target eq 'tex' ||
232: $target eq 'grade' || $target eq 'webgrade' ||
233: $target eq 'answer' || $target eq 'analyze' ) {
234: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
235: my @values = &Apache::run::evaluate($bodytext,$safeeval,
236: $$parstack[-1]);
237: push(@{ $answer{$cur_name}{'answers'} },@values);
238: }
239: return $result;
240: }
241:
242: sub end_array {
243: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
244: my $result;
245: return $result;
246: }
247:
248: sub start_unit {
249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
250: my $result;
251: return $result;
252: }
253:
254: sub end_unit {
255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
256: my $result;
257: return $result;
258: }
259:
260: sub start_numericalresponse {
261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
262: &Apache::lonxml::register('Apache::caparesponse',
263: ('answer','answergroup','value','array','unit',
264: 'vector'));
265: push(@Apache::lonxml::namespace,'caparesponse');
266: my $id = &Apache::response::start_response($parstack,$safeeval);
267: my $result;
268: undef(%answer);
269: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
270: if ($target eq 'edit') {
271: $result.=&Apache::edit::tag_start($target,$token);
272: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
273: if ($token->[1] eq 'numericalresponse') {
274: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
275: $token).
276: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
277: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
278: &Apache::loncommon::help_open_topic('Physical_Units');
279: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
280: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
281: } elsif ($token->[1] eq 'formularesponse') {
282: $result.=&Apache::edit::text_arg('Sample Points:','samples',
283: $token,40).
284: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
285: }
286: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
287: $token,10);
288: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
289: } elsif ($target eq 'modified') {
290: my $constructtag;
291: if ($token->[1] eq 'numericalresponse') {
292: $constructtag=&Apache::edit::get_new_args($token,$parstack,
293: $safeeval,'answer',
294: 'incorrect','unit',
295: 'format','preprocess');
296: } elsif ($token->[1] eq 'formularesponse') {
297: $constructtag=&Apache::edit::get_new_args($token,$parstack,
298: $safeeval,'answer',
299: 'samples','preprocess');
300: }
301: if ($constructtag) {
302: $result = &Apache::edit::rebuild_tag($token);
303: $result.=&Apache::edit::handle_insert();
304: }
305: } elsif ($target eq 'meta') {
306: $result=&Apache::response::meta_package_write('numericalresponse');
307: } elsif ($target eq 'answer' || $target eq 'grade') {
308: &Apache::response::reset_params();
309: } elsif ($target eq 'web') {
310: my $partid = $Apache::inputtags::part;
311: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
312: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
313: #no way to enter units, with radio buttons
314: if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
315: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
316: $safeeval);
317: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
318: }
319: if ( &Apache::response::show_answer() ) {
320: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
321: $parstack,$parser,$safeeval,-1);
322: }
323: }
324: return $result;
325: }
326:
327: sub set_answertext {
328: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
329: $response_level) = @_;
330: my $stringify;
331: if (scalar(@$tagstack)) {
332: if ($$tagstack[-1] eq 'formularesponse') {
333: if (&Apache::lonxml::get_param('samples',$parstack,$safeeval)) {
334: $stringify = 1;
335: }
336: } elsif ($$tagstack[-1] eq 'numericalresponse') {
337: $stringify = 1;
338: }
339: }
340: &add_in_tag_answer($parstack,$safeeval,$stringify,$response_level);
341:
342: if ($name eq '' || !ref($answer{$name})) {
343: if (ref($answer{$tag_internal_answer_name})) {
344: $name = $tag_internal_answer_name;
345: } else {
346: $name = (sort(keys(%answer)))[0];
347: }
348: }
349: return if ($name eq '' || !ref($answer{$name}));
350:
351: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
352: $safeeval,$response_level);
353: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
354: $response_level);
355:
356: &Apache::lonxml::debug("answer looks to be $name");
357: my @answertxt;
358: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
359: my $answertxt;
360: my $answer=$answer{$name}{'answers'}[$i];
361: foreach my $element (@$answer) {
362: if ( scalar(@$tagstack)
363: && $tagstack->[$response_level] ne 'numericalresponse') {
364: $answertxt.=$element.',';
365: } else {
366: my $format;
367: if ($#formats > 0) {
368: $format=$formats[$i];
369: } else {
370: $format=$formats[0];
371: }
372: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
373: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
374: my $formatted=&format_number($element,$format,$target,
375: $safeeval);
376: $answertxt.=' '.$formatted.',';
377: }
378:
379: }
380: chop($answertxt);
381: if ($target eq 'web') {
382: $answertxt.=" $unit ";
383: }
384:
385: push(@answertxt,$answertxt)
386: }
387:
388: my $id = $Apache::inputtags::response[-1];
389: $Apache::inputtags::answertxt{$id}=\@answertxt;
390: }
391:
392: sub setup_capa_args {
393: my ($safeeval,$parstack,$args,$response) = @_;
394: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
395: undef(%{ $args_ref });
396:
397: foreach my $arg (@{$args}) {
398: $$args_ref{$arg}=
399: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
400: }
401: foreach my $key (keys(%Apache::inputtags::params)) {
402: $$args_ref{$key}=$Apache::inputtags::params{$key};
403: }
404: &setup_capa_response($args_ref,$response);
405: return $args_ref;
406: }
407:
408: sub setup_capa_response {
409: my ($args_ref,$response) = @_;
410:
411: if (ref($response)) {
412: $$args_ref{'response'}=dclone($response);
413: } else {
414: $$args_ref{'response'}=dclone(["$response"]);
415: }
416: }
417:
418: sub check_submission {
419: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
420: my @args = ('type','tol','sig','format','unit','calc','samples','preprocess');
421: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
422: my $stringify;
423:
424: my $hideunit=
425: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
426: #no way to enter units, with radio buttons
427: if ($Apache::lonhomework::type eq 'exam' ||
428: lc($hideunit) eq "yes") {
429: delete($$args_ref{'unit'});
430: }
431: #sig fig don't make much sense either
432: if (($Apache::lonhomework::type eq 'exam' ||
433: &Apache::response::submitted('scantron') ||
434: $ignore_sig) &&
435: $tag eq 'numericalresponse') {
436: delete($$args_ref{'sig'});
437: }
438:
439: if ($tag eq 'formularesponse') {
440: if ($$args_ref{'samples'}) {
441: $$args_ref{'type'}='fml';
442: $stringify = 1;
443: } else {
444: $$args_ref{'type'}='math';
445: }
446: } elsif ($tag eq 'numericalresponse') {
447: $$args_ref{'type'}='float';
448: $stringify = 1;
449: } elsif ($tag eq 'stringresponse') {
450: if ($$args_ref{'type'} eq '') {
451: $$args_ref{'type'} = 'ci';
452: }
453: }
454:
455: &add_in_tag_answer($parstack,$safeeval,$stringify);
456:
457: if (!%answer) {
458: &Apache::lonxml::error("No answers are defined");
459: }
460:
461: my (@final_awards,@final_msgs,@names);
462: foreach my $name (keys(%answer)) {
463: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
464:
465: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
466: &setup_capa_response($args_ref,$response);
467: use Time::HiRes;
468: my $t0 = [Time::HiRes::gettimeofday()];
469: my ($result,@msgs) =
470: &Apache::run::run("&caparesponse_check_list()",$safeeval);
471: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
472: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
473: my ($awards)=split(/:/,$result);
474: my @awards= split(/,/,$awards);
475: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
476: push(@final_awards,$ad);
477: push(@final_msgs,$msg);
478: push(@names,$name);
479: }
480: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
481: \@final_msgs,
482: \@names,1);
483: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
484: return($ad,$msg, $name);
485: }
486:
487: sub stringresponse_gradechange {
488: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_;
489: return unless (ref($previous) eq 'HASH');
490: my ($prevarray,$prevaward);
491: my %typenames = (
492: cs => 'Case sensitive',
493: ci => 'Case insensitive',
494: );
495: if ($caller eq 'cs') {
496: return unless (ref($previous->{'version'}) eq 'ARRAY');
497: $prevarray = $previous->{'version'};
498: $prevaward = $previous->{'award'};
499: } elsif ($caller eq 'ci') {
500: return unless (ref($previous->{'versionci'}) eq 'ARRAY');
501: $prevarray = $previous->{'versionci'};
502: $prevaward = $previous->{'awardci'};
503: } else {
504: return;
505: }
506: my $count=0;
507: my %count_lookup;
508: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
509: my $prefix = $i.":resource.$part";
510: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
511: $count++;
512: $count_lookup{$i} = $count;
513: }
514: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
515: my %coursedesc = &Apache::lonnet::coursedescription($courseid);
516: my $cdom = $coursedesc{'domain'};
517: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')';
518: my $warning = "String Response ($typenames{$type}) grading discrepancy: award for response of $response changed from $prevaward".$versions." to $ad; user: $name:$domain in course: $courseid for part: $part response: $id for symb: $symb";
519: &Apache::lonnet::logthis($warning);
520: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'};
521: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail',
522: $cdom,$origmail);
523: if ($recipients ne '') {
524: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning);
525: }
526: return;
527: }
528:
529: sub add_in_tag_answer {
530: my ($parstack,$safeeval,$stringify,$response_level) = @_;
531: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
532: $response_level);
533: &Apache::lonxml::debug('answer is'.join(':',@answer));
534: if (@answer && $answer[0] =~ /\S/) {
535: if ($stringify) {
536: @answer = map { $_ .= ''; } @answer;
537: }
538: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
539: 'answers' => [\@answer] };
540: }
541: }
542:
543: sub capa_formula_fix {
544: my ($expression)=@_;
545: return &Apache::response::implicit_multiplication($expression);
546: }
547:
548: sub end_numericalresponse {
549: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
550:
551: &Apache::lonxml::deregister('Apache::caparesponse',
552: ('answer','answergroup','value','array','unit',
553: 'vector'));
554: pop(@Apache::lonxml::namespace);
555:
556: my $increment=1;
557: my $result = '';
558: if (!$Apache::lonxml::default_homework_loaded) {
559: &Apache::lonxml::default_homework_load($safeeval);
560: }
561: my $partid = $Apache::inputtags::part;
562: my $id = $Apache::inputtags::response[-1];
563: my ($tag,$stringify);
564: my $safehole = new Safe::Hole;
565: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
566:
567: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
568: if ( $target eq 'grade' && &Apache::response::submitted() ) {
569: &Apache::response::setup_params($tag,$safeeval);
570: if ($Apache::lonhomework::type eq 'exam' &&
571: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
572: $increment=&Apache::response::scored_response($partid,$id);
573: } else {
574: my $response = &Apache::response::getresponse();
575: if ( $response =~ /[^\s]/) {
576: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
577: &Apache::lonxml::debug("submitted a $response<br>\n");
578: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
579:
580: if ( &Apache::response::submitted('scantron')) {
581: if ($tag eq 'numericalresponse') {
582: $stringify = 1;
583: } elsif ($tag eq 'formularesponse') {
584: if (&Apache::lonxml::get_param('samples',$parstack,$safeeval)) {
585: $stringify = 1;
586: }
587: }
588: &add_in_tag_answer($parstack,$safeeval,$stringify);
589: my ($values,$display)=&make_numerical_bubbles($partid,$id,$target,
590: $parstack,$safeeval);
591: $response=$values->[$response];
592: }
593: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
594: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
595: $tag,$parstack,
596: $safeeval);
597:
598: &Apache::lonxml::debug('ad is'.$ad);
599: if ($ad eq 'SIG_FAIL') {
600: my ($sig_u,$sig_l)=
601: &get_sigrange($Apache::inputtags::params{'sig'});
602: $msg=join(':',$msg,$sig_l,$sig_u);
603: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
604: $Apache::inputtags::params{'sig'});
605: }
606: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
607: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
608: $ad eq 'EXACT_ANS')) {
609: if ($Apache::lonhomework::type eq 'survey') {
610: $ad='SUBMITTED';
611: } elsif ($Apache::lonhomework::type eq 'surveycred') {
612: $ad='SUBMITTED_CREDIT';
613: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
614: $ad='ANONYMOUS';
615: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
616: $ad='ANONYMOUS_CREDIT';
617: }
618: }
619: &Apache::response::handle_previous(\%previous,$ad);
620: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
621: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
622: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
623: $result='';
624: }
625: }
626: } elsif ($target eq 'web' || $target eq 'tex') {
627: if ($tag eq 'numericalresponse') {
628: $stringify = 1;
629: } elsif ($tag eq 'formularesponse') {
630: if (&Apache::lonxml::get_param('samples',$parstack,$safeeval)) {
631: $stringify = 1;
632: }
633: }
634: &check_for_answer_errors($parstack,$safeeval,$stringify);
635: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
636: my $status = $Apache::inputtags::status['-1'];
637: if ($Apache::lonhomework::type eq 'exam') {
638: # FIXME support multi dimensional numerical problems
639: # in exam bubbles
640: my ($bubble_values,$bubble_display)=
641: &make_numerical_bubbles($partid,$id,$target,$parstack,
642: $safeeval);
643: my $number_of_bubbles = scalar(@{ $bubble_values });
644: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
645: $safeeval);
646: if ($target eq 'web') {
647: if ($tag eq 'numericalresponse') {
648: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
649: $result.= '<table border="1"><tr>';
650: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
651: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
652: my $checked='';
653: if ($previous eq $bubble_values->[$ind]) {
654: $checked=" checked='on' ";
655: }
656: $result.='<td><label><input type="radio" name="HWVAL_'.$id.
657: '" value="'.$bubble_values->[$ind].'" '.$checked
658: .' /><b>'.$alphabet[$ind].'</b>: '.
659: $bubble_display->[$ind].'</label></td>';
660: }
661: $result.='</tr></table>';
662: }
663: } elsif ($target eq 'tex') {
664: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
665: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
666: }
667: if ($tag eq 'numericalresponse') {
668: $result .= &make_horizontal_latex_bubbles($bubble_values, $bubble_display,
669: '$\bigcirc$');
670: } else {
671: $increment = &Apache::response::repetition();
672: }
673: }
674: }
675:
676: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
677: } elsif ($target eq 'edit') {
678: $result.='</td></tr>'.&Apache::edit::end_table;
679: } elsif ($target eq 'answer' || $target eq 'analyze') {
680: my $part_id="$partid.$id";
681: my $samples;
682: if ($target eq 'analyze') {
683: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
684: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
685: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
686: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
687: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
688: &Apache::response::check_if_computed($token,$parstack,
689: $safeeval,'answer');
690: }
691: if (scalar(@$tagstack)) {
692: &Apache::response::setup_params($tag,$safeeval);
693: }
694: if ($tag eq 'numericalresponse') {
695: $stringify = 1;
696: } elsif ($tag eq 'formularesponse') {
697: $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
698: if ($samples) {
699: $stringify = 1;
700: }
701: }
702: &add_in_tag_answer($parstack,$safeeval,$stringify);
703: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
704:
705: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
706: my ($needsdollar,$needscomma);
707: if ($unit =~ /\$/) {
708: $needsdollar = 1;
709: }
710: if ($unit =~ /\,/) {
711: $needscomma = 1;
712: }
713:
714: if ($target eq 'answer') {
715: $result.=&Apache::response::answer_header($tag,undef,
716: scalar(keys(%answer)));
717: if ($tag eq 'numericalresponse'
718: && $Apache::lonhomework::type eq 'exam') {
719: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
720: $id,$target,$parstack,$safeeval);
721: $result.=&Apache::response::answer_part($tag,$correct);
722: }
723: }
724: foreach my $name (sort(keys(%answer))) {
725: my @answers = @{ $answer{$name}{'answers'} };
726: if ($target eq 'analyze') {
727: foreach my $info ('answer','ans_high','ans_low','format') {
728: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
729: }
730: }
731: my ($sigline,$tolline);
732: if ($name ne $tag_internal_answer_name
733: || scalar(keys(%answer)) > 1) {
734: $result.=&Apache::response::answer_part($tag,$name);
735: }
736: for(my $i=0;$i<=$#answers;$i++) {
737: my $ans=$answers[$i];
738: my $fmt=$formats[0];
739: if (@formats && $#formats) {$fmt=$formats[$i];}
740: my ($sighigh,$siglow);
741: if ($Apache::inputtags::params{'sig'}) {
742: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
743: }
744: my @vector;
745: if (ref($ans)) {
746: @vector = @{ $ans };
747: } else {
748: @vector = ($ans);
749: }
750: my @all_answer_info;
751: foreach my $element (@vector) {
752: my ($high,$low);
753: if ($Apache::inputtags::params{'tol'}) {
754: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
755: }
756: if ($target eq 'answer') {
757: if ($fmt && $tag eq 'numericalresponse') {
758: $fmt=~s/e/E/g;
759: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
760: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
761: $element = &format_number($element,$fmt,$target,$safeeval);
762: #if ($high) {
763: # $high=&format_number($high,$fmt,$target,$safeeval);
764: # $low =&format_number($low,$fmt,$target,$safeeval);
765: #}
766: }
767: if ($high && $tag eq 'numericalresponse') {
768: $element.='; ['.$low.'; '.$high.']';
769: $tolline .= "[$low, $high]";
770: }
771: if (defined($sighigh) && $tag eq 'numericalresponse') {
772: if ($env{'form.answer_output_mode'} eq 'tex') {
773: $element.= "; Sig $siglow - $sighigh";
774: } else {
775: $element.= " Sig <i>$siglow - $sighigh</i>";
776: $sigline .= "[$siglow, $sighigh]";
777: }
778: }
779: push(@all_answer_info,$element);
780:
781: } elsif ($target eq 'analyze') {
782: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
783: if ($high) {
784: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
785: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
786: }
787: if ($fmt) {
788: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
789: }
790: }
791: }
792: if ($target eq 'answer') {
793: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
794: }
795: }
796:
797: my @fmt_ans;
798: for(my $i=0;$i<=$#answers;$i++) {
799: my $ans=$answers[$i];
800: my $fmt=$formats[0];
801: if (@formats && $#formats) {$fmt=$formats[$i];}
802: my @answers;
803: if (ref($ans) eq 'ARRAY') {
804: @answers = (@{$ans});
805: }
806: foreach my $element (@answers) {
807: if ($fmt && $tag eq 'numericalresponse') {
808: $fmt=~s/e/E/g;
809: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
810: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
811: $element = &format_number($element,$fmt,$target,
812: $safeeval);
813: if ($fmt=~/\$/ && !$needsdollar) { $element=~s/\$//; }
814: }
815: }
816: push(@fmt_ans,join(',',@answers));
817: }
818: my $response=\@fmt_ans;
819:
820: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
821: $id.'.turnoffunit');
822: if ($unit ne '' &&
823: ! ($Apache::lonhomework::type eq 'exam' ||
824: lc($hideunit) eq "yes") ) {
825: my $cleanunit=$unit;
826: $cleanunit=~s/[\$,]//g;
827: foreach my $ans (@fmt_ans) {
828: $ans.=" $cleanunit";
829: }
830: }
831: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
832: $parstack,$safeeval);
833: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
834: my $error;
835: if ($tag eq 'formularesponse') {
836: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
837: } else {
838: # answer failed check if it is sig figs that is failing
839: my ($ad,$msg)=&check_submission($response,$partid,$id,
840: $tag,$parstack,
841: $safeeval,1);
842: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
843: if (($ad eq 'NO_UNIT') && $needsdollar) {
844: $error.=&mt('The unit attribute includes [_1] but the answer format does not.','$').' '.
845: &mt('Either remove the [_1] from the unit or prepend [_1] to the answer format.','$');
846: } elsif (($ad eq 'COMMA_FAIL') && $needscomma) {
847: $error.=&mt('The unit attribute includes [_1] but the answer format does not.',',').' '.
848: &mt('Either remove the [_1] from the unit or prepend [_1] to the answer format.',',');
849: } elsif ($ad eq 'UNIT_INVALID_STUDENT') {
850: $error.=&mt('Unable to interpret units. Computer reads units as "[_1]".',$msg).' '.
851: &mt('The unit attribute in the numericalresponse item needs to be a supported physical unit.');
852: } elsif ($sigline ne '') {
853: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
854: } else {
855: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
856: }
857: }
858: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
859: &Apache::lonxml::error($error);
860: } else {
861: &Apache::lonxml::warning($error);
862: }
863: }
864:
865: if (defined($unit) and ($unit ne '') and
866: $tag eq 'numericalresponse') {
867: if ($target eq 'answer') {
868: if ($env{'form.answer_output_mode'} eq 'tex') {
869: $result.=&Apache::response::answer_part($tag,
870: " Unit: $unit ");
871: } else {
872: $result.=&Apache::response::answer_part($tag,
873: "Unit: <b>$unit</b>");
874: }
875: } elsif ($target eq 'analyze') {
876: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
877: }
878: }
879: if ($tag eq 'formularesponse' && $target eq 'answer') {
880: $result.=&Apache::response::answer_part($tag,$samples);
881: }
882: $result.=&Apache::response::next_answer($tag,$name);
883: }
884: if ($target eq 'answer') {
885: $result.=&Apache::response::answer_footer($tag);
886: }
887: }
888: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
889: $target eq 'tex' || $target eq 'analyze') {
890: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
891: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
892: if ($type eq 'exam') {
893: $increment = &Apache::response::repetition();
894: }
895: }
896: &Apache::lonxml::increment_counter($increment,"$partid.$id");
897: if ($target eq 'analyze') {
898: &Apache::lonhomework::set_bubble_lines();
899: }
900: }
901: &Apache::response::end_response();
902: return $result;
903: }
904:
905: sub format_prior_response_numerical {
906: my ($mode,$answer) = @_;
907: if (ref($answer)) {
908: my $result = '<table class="LC_prior_numerical"><tr>';
909: foreach my $element (@{ $answer }) {
910: $result.= '<td><span class="LC_prior_numerical">'.
911: &HTML::Entities::encode($element,'"<>&').'</span></td>';
912: }
913: $result.='</tr></table>';
914: return $result;
915: }
916: return '<span class="LC_prior_numerical">'.
917: &HTML::Entities::encode($answer,'"<>&').'</span>';
918:
919: }
920:
921: sub check_for_answer_errors {
922: my ($parstack,$safeeval,$stringify) = @_;
923: &add_in_tag_answer($parstack,$safeeval,$stringify);
924: my %counts;
925: foreach my $name (keys(%answer)) {
926: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
927: }
928: if (scalar(keys(%counts)) > 1) {
929: my $counts = join(' ',map {
930: my $count = $_;
931: &mt("Answers [_1] had [_2] components.",
932: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
933: $count);
934: } (sort(keys(%counts))));
935: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
936: }
937: my $expected_number_of_inputs = (keys(%counts))[0];
938: if ( $expected_number_of_inputs > 0
939: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
940: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
941: $expected_number_of_inputs,
942: scalar(@Apache::inputtags::inputlist)));
943: }
944: }
945:
946: sub get_table_sizes {
947: my ($number_of_bubbles,$rbubble_values)=@_;
948: my $scale=2; #mm for one digit
949: my $cell_width=0;
950: foreach my $member (@$rbubble_values) {
951: my $cell_width_real=0;
952: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^\{(\+|-)?(\d+)}\$?/) {
953: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
954: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
955: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
956: } elsif ($member=~/(\d*)\.(\d*)/) {
957: $cell_width_real=(length($1)+length($2)+3)*$scale;
958: } else {
959: $cell_width_real=(length($member)+1)*$scale*0.9;
960: }
961: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
962: }
963: $cell_width+=8;
964: my $textwidth;
965: if ($env{'form.textwidth'} ne '') {
966: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
967: $textwidth=$1.'.'.$2;
968: } else {
969: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
970: $textwidth=$1.'.'.$2;
971: }
972: my $bubbles_per_line=int($textwidth/$cell_width);
973: if ($bubbles_per_line > $number_of_bubbles) {
974: $bubbles_per_line=$number_of_bubbles;
975: } elsif (($bubbles_per_line > $number_of_bubbles/2)
976: && ($number_of_bubbles % 2==0)) {
977: $bubbles_per_line=$number_of_bubbles/2;
978: }
979: if ($bubbles_per_line < 1) {
980: $bubbles_per_line=1;
981: }
982: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
983: my @table_range = ();
984: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
985: if ($number_of_bubbles % $bubbles_per_line) {
986: $number_of_tables++;
987: push @table_range,($number_of_bubbles % $bubbles_per_line);
988: }
989: $cell_width-=8;
990: $cell_width=$cell_width*3/4;
991: return ($cell_width,$number_of_tables,@table_range);
992: }
993:
994: sub format_number {
995: my ($number,$format,$target,$safeeval)=@_;
996: my $ans;
997: if ($format eq '') {
998: #What is the number? (integer,decimal,floating point)
999: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1000: $format = '3e';
1001: } elsif ($number=~/^(\d*)\.(\d*)$/) {
1002: $format = '4f';
1003: } elsif ($number=~/^(\d*)$/) {
1004: $format = 'd';
1005: }
1006: }
1007: if (!$Apache::lonxml::default_homework_loaded) {
1008: &Apache::lonxml::default_homework_load($safeeval);
1009: }
1010: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1011: return $ans;
1012: }
1013:
1014: sub make_numerical_bubbles {
1015: my ($part,$id,$target,$parstack,$safeeval) =@_;
1016:
1017: if (!%answer) {
1018: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
1019: return ([],[],undef);
1020: }
1021:
1022: my $number_of_bubbles =
1023: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
1024:
1025: #
1026: # Fixes for BZ 6519 - number of bubbles <= 0 or non-integer.
1027: #
1028: $number_of_bubbles = int($number_of_bubbles + 0.5);
1029: if ($number_of_bubbles <= 0) {
1030: $number_of_bubbles = 8;
1031: }
1032:
1033:
1034: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1035: my $name = (exists($answer{$tag_internal_answer_name})
1036: ? $tag_internal_answer_name
1037: : (sort(keys(%answer)))[0]);
1038:
1039: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
1040: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
1041: }
1042: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
1043: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
1044: }
1045:
1046: my $answer = $answer{$name}{'answers'}[0][0];
1047: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
1048: $safeeval);
1049: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1050:
1051: my @bubble_values=();
1052: my @alphabet=('A'..'Z');
1053:
1054: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1055: my @oldseed=&Math::Random::random_get_seed();
1056: if (@incorrect) {
1057: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
1058: if (defined($incorrect[0]) &&
1059: scalar(@incorrect)+1 >= $number_of_bubbles) {
1060: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1061: &Apache::response::setrandomnumber();
1062: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1063: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
1064: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1065: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1066: &Math::Random::random_set_seed(@oldseed);
1067:
1068: my $correct;
1069: for(my $i=0; $i<=$#bubble_values;$i++) {
1070: if ($bubble_values[$i] eq $answer) {
1071: $correct = $alphabet[$i];
1072: last;
1073: }
1074: }
1075:
1076: if (defined($format) && $format ne '') {
1077: my @bubble_display;
1078: foreach my $value (@bubble_values) {
1079: push(@bubble_display,
1080: &format_number($value,$format,$target,$safeeval));
1081: }
1082: return (\@bubble_values,\@bubble_display,$correct);
1083: } else {
1084: return (\@bubble_values,\@bubble_values,$correct);
1085: }
1086: }
1087: if (defined($incorrect[0]) &&
1088: scalar(@incorrect)+1 < $number_of_bubbles) {
1089: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
1090: }
1091: }
1092: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1093: my @powers = (1..$number_of_bubbles);
1094: &Apache::response::setrandomnumber();
1095: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
1096: my $power = $powers[$ind];
1097: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
1098: my $factor = $factors[$ind];
1099: my @bubble_display;
1100: my $answerfactor=$answer;
1101: if ($answer==0) {
1102: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1103: &Math::Random::random_uniform_integer(1,1,10);
1104: }
1105: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1106: my $exponent = $power-$powers[$#powers-$ind];
1107: $bubble_values[$ind] = $answerfactor*($factor**$exponent);
1108:
1109: # If bubble is for correct answer (i.e., exponent = 0), and value
1110: # of $answerfactor * factor**$exponent is an integer with more than
1111: # 15 digits, assign $answerfactor itself as bubble value.
1112: # This prevents a "use fewer digits" issue on 64bit servers
1113: # when correct answer is >= 1e+16, and when correct bubble is A.
1114:
1115: if ($exponent == 0) {
1116: if ($bubble_values[$ind] =~ /^-?(\d+)$/) {
1117: if (length($1) > 15) {
1118: $bubble_values[$ind] = $answerfactor;
1119: }
1120: }
1121: }
1122:
1123: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1124: $format,$target,$safeeval);
1125: }
1126: my $correct = $alphabet[$number_of_bubbles-$power];
1127: if ($answer==0) {
1128: $correct='A';
1129: $bubble_values[0]=0;
1130: $bubble_display[0] = &format_number($bubble_values[0],
1131: $format,$target,$safeeval);
1132: }
1133: &Math::Random::random_set_seed(@oldseed);
1134: return (\@bubble_values,\@bubble_display,$correct);
1135: }
1136:
1137: ##
1138: # Produce LaTeX bubbles laid out horizontally given a set of bubble values:
1139: #
1140: # @param bubble_values - reference to an array of bubble 'values'
1141: # @param bubble_display - reference to the array of texts to display to the user
1142: # for each bubble_value (this is mostly for numerical response
1143: # when the displayed value may not be an exact
1144: # representation of the bubble value.
1145: # @param bubble_fragment- The LaTeX fragment that will be plugged in to make
1146: # the bubble itself. Note that the code will autonomously
1147: # label each bubble with a lable...and that it's perfectly
1148: # acceptable to use "" for the bubble_fragment.
1149: #
1150: # @return string - the LaTeX fragment that produces the bubbles.
1151: #
1152: sub make_horizontal_latex_bubbles {
1153: my ($bubble_values, $bubble_display, $bubble_fragment) = @_;
1154: my $result;
1155:
1156: my $number_of_bubbles = scalar(@{$bubble_values});
1157:
1158: # Get the number of rows and columns in each row of the bubble
1159: # table:
1160:
1161: my ($celllength, $number_of_tables, @table_range) =
1162: &get_table_sizes($number_of_bubbles, $bubble_display);
1163:
1164: my $j=0;
1165: my $cou=0;
1166: $result.='\vskip 2mm \noindent ';
1167: if ($Apache::lonhomework::type eq 'exam') {
1168: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
1169: }
1170:
1171: for (my $i=0;$i<$number_of_tables;$i++) {
1172: if ($i == 0) {
1173: $result .= '\vskip -1mm ';
1174: } else {
1175: $result .= '\vskip 1mm ';
1176: }
1177: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1178: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1179: $result.='p{4 mm}p{'.$celllength.' mm}';
1180: }
1181: $result.='}';
1182: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1183: $result.='\hskip -4 mm {\small \textbf{ '.$alphabet[$ind].'}}'
1184: . $bubble_fragment
1185: . '& \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1186: if ($ind != $cou+$table_range[$j]-1) {
1187: $result.=' & ';
1188: }
1189: }
1190: $cou += $table_range[$j];
1191: $j++;
1192: $result.='\\\\\end{tabular}\vskip 0 mm ';
1193: }
1194: return $result;
1195: }
1196:
1197: sub get_tolrange {
1198: my ($ans,$tol)=@_;
1199: my ($high,$low);
1200: if ($tol =~ /%$/) {
1201: chop($tol);
1202: my $change=$ans*($tol/100.0);
1203: $high=$ans+$change;
1204: $low=$ans-$change;
1205: } else {
1206: $high=$ans+$tol;
1207: $low=$ans-$tol;
1208: }
1209: return ($high,$low);
1210: }
1211:
1212: sub get_sigrange {
1213: my ($sig)=@_;
1214: #&Apache::lonxml::debug("Got a sig of :$sig:");
1215: my $courseid=$env{'request.course.id'};
1216: if ($env{'request.state'} ne 'construct'
1217: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1218: return (15,0);
1219: }
1220: my $sig_lbound;
1221: my $sig_ubound;
1222: if ($sig eq '') {
1223: $sig_lbound = 0; #SIG_LB_DEFAULT
1224: $sig_ubound =15; #SIG_UB_DEFAULT
1225: } else {
1226: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1227: if (!defined($sig_lbound)) {
1228: $sig_lbound = 0; #SIG_LB_DEFAULT
1229: $sig_ubound =15; #SIG_UB_DEFAULT
1230: }
1231: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1232: }
1233: if (($sig_ubound<$sig_lbound) ||
1234: ($sig_lbound > 15) ||
1235: ($sig =~/(\+|-)/ ) ) {
1236: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1237: if ($env{'request.state'} eq 'construct') {
1238: $errormsg.=
1239: &Apache::loncommon::help_open_topic('Significant_Figures');
1240: }
1241: &Apache::lonxml::error($errormsg);
1242: }
1243: return ($sig_ubound,$sig_lbound);
1244: }
1245:
1246: sub format_prior_response_string {
1247: my ($mode,$answer) =@_;
1248: return '<span class="LC_prior_string">'.
1249: &HTML::Entities::encode($answer,'"<>&').'</span>';
1250: }
1251:
1252: sub start_stringresponse {
1253: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1254: my $result;
1255: my $id = &Apache::response::start_response($parstack,$safeeval);
1256: undef(%answer);
1257: if ($target eq 'meta') {
1258: $result=&Apache::response::meta_package_write('stringresponse');
1259: } elsif ($target eq 'edit') {
1260: $result.=&Apache::edit::tag_start($target,$token);
1261: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1262: $result.=&Apache::edit::select_arg('Type:','type',
1263: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1264: ['mc','Case Insensitive, Any Order'],
1265: ['re','Regular Expression']],$token);
1266: $result.=&Apache::edit::text_arg('String to display for answer:',
1267: 'answerdisplay',$token);
1268: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
1269: $token,10);
1270: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1271: } elsif ($target eq 'modified') {
1272: my $constructtag;
1273: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1274: $safeeval,'answer',
1275: 'type','answerdisplay','preprocess');
1276: if ($constructtag) {
1277: $result = &Apache::edit::rebuild_tag($token);
1278: $result.=&Apache::edit::handle_insert();
1279: }
1280: } elsif ($target eq 'web') {
1281: if ( &Apache::response::show_answer() ) {
1282: my $answer=
1283: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1284: if (!defined $answer || $answer eq '') {
1285: $answer=
1286: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1287: }
1288: $Apache::inputtags::answertxt{$id}=[$answer];
1289: }
1290: } elsif ($target eq 'answer' || $target eq 'grade') {
1291: &Apache::response::reset_params();
1292: }
1293: return $result;
1294: }
1295:
1296: sub end_stringresponse {
1297: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1298:
1299: my $result = '';
1300: my $part=$Apache::inputtags::part;
1301: my $id=$Apache::inputtags::response[-1];
1302: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1303: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1304: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1305: &Apache::lonxml::debug("current $answer ".$token->[2]);
1306: if (!$Apache::lonxml::default_homework_loaded) {
1307: &Apache::lonxml::default_homework_load($safeeval);
1308: }
1309: my $tag;
1310: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1311: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1312: &Apache::response::setup_params('stringresponse',$safeeval);
1313: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1314: if ($Apache::lonhomework::type eq 'exam' ||
1315: &Apache::response::submitted('scantron')) {
1316: &Apache::response::scored_response($part,$id);
1317:
1318: } else {
1319: my $response = &Apache::response::getresponse();
1320: if ( $response =~ /[^\s]/) {
1321: my %previous = &Apache::response::check_for_previous($response,
1322: $part,$id,
1323: undef,$type);
1324: &Apache::lonxml::debug("submitted a $response<br>\n");
1325: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1326: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1327: $response;
1328: my ($ad,$msg);
1329: if ($type eq 're' ) {
1330: # if the RE wasn't in a var it likely got munged,
1331: # thus grab it from the var directly
1332: # my $testans=$token->[2]->{'answer'};
1333: # if ($testans !~ m/^\s*\$/) {
1334: # $answer=$token->[2]->{'answer'};
1335: # }
1336: ${$safeeval->varglob('LONCAPA::response')}=$response;
1337: my $preprocess=&Apache::lonxml::get_param('preprocess',$parstack,$safeeval);
1338: $preprocess=~s/^\&//;
1339: if (defined($preprocess)) {
1340: &Apache::run::run('$LONCAPA::response=&'.$preprocess.'($LONCAPA::response);',$safeeval);
1341: }
1342: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1343: &Apache::lonxml::debug("current $response");
1344: &Apache::lonxml::debug("current $answer");
1345: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1346: } else {
1347: my @args = ('type','preprocess');
1348: my $args_ref = &setup_capa_args($safeeval,$parstack,
1349: \@args,$response);
1350: if ($$args_ref{'type'} eq '') {
1351: $$args_ref{'type'} = 'ci';
1352: }
1353: my $stringify = 1;
1354: &add_in_tag_answer($parstack,$safeeval,$stringify);
1355: my (@final_awards,@final_msgs,@names,%ansstring);
1356: foreach my $name (keys(%answer)) {
1357: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1358: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1359: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1360: if ($$args_ref{'type'} =~ /^c[si]$/) {
1361: $ansstring{$name} = pop(@msgs);
1362: my $control_chars_removed = pop(@msgs);
1363: my $error = pop(@msgs);
1364: if (($error ne '') ||
1365: ($control_chars_removed)) {
1366: my ($symb,$courseid,$sdomain,$sname) =
1367: &Apache::lonnet::whichuser();
1368: if ($control_chars_removed) {
1369: my $showresponse = $response;
1370: if ($response =~ /[\000-\037]/) {
1371: $response =~ s/[\000-\037]//g;
1372: }
1373: if ($showresponse =~ /[\r\n\f]/) {
1374: my @lines = split(/[\r\n\f]+/,$showresponse);
1375: $showresponse = join('\\n',@lines);
1376: }
1377: &Apache::lonnet::logthis("Stringresponse grading: control characters stripped from submission ".$showresponse." for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1378: $Apache::lonhomework::results{"resource.$part.$id.submission"} = $response;
1379: }
1380: if ($error ne '') {
1381: &Apache::lonnet::logthis("Stringresponse grading error: $error for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1382: }
1383: }
1384: }
1385: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1386: my ($awards)=split(/:/,$result);
1387: my (@awards) = split(/,/,$awards);
1388: ($ad,$msg) =
1389: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1390: push(@final_awards,$ad);
1391: push(@final_msgs,$msg);
1392: push(@names,$name);
1393: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1394: }
1395: ($ad, $msg, my $name) =
1396: &Apache::inputtags::finalizeawards(\@final_awards,
1397: \@final_msgs,
1398: \@names,1);
1399: if (keys(%ansstring) > 0) {
1400: $Apache::lonhomework::results{"resource.$part.$id.answerstring"} = &Apache::lonnet::hash2str(%ansstring);
1401: }
1402: }
1403: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1404: $ad eq 'EXACT_ANS')) {
1405: if ($Apache::lonhomework::type eq 'survey') {
1406: $ad='SUBMITTED';
1407: } elsif ($Apache::lonhomework::type eq 'surveycred') {
1408: $ad='SUBMITTED_CREDIT';
1409: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
1410: $ad='ANONYMOUS';
1411: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
1412: $ad='ANONYMOUS_CREDIT';
1413: }
1414: }
1415: unless (($env{'request.state'} eq 'construct') ||
1416: ($Apache::lonhomework::type eq 'randomizetry')) {
1417: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || $ad eq 'EXACT_ANS')) {
1418: if ($previous{'used'}) {
1419: if ($ad ne $previous{'award'}) {
1420: if (($previous{'award'} eq 'INCORRECT' ||
1421: $previous{'award'} eq 'APPROX_ANS' ||
1422: $previous{'award'} eq 'EXACT_ANS')) {
1423: &stringresponse_gradechange($part,$id,\%previous,
1424: 'cs',$response,$ad,$type);
1425: }
1426: }
1427: } elsif ($previous{'usedci'}) {
1428: if ($ad ne $previous{'awardci'}) {
1429: if (($previous{'awardci'} eq 'INCORRECT' ||
1430: $previous{'awardci'} eq 'APPROX_ANS' ||
1431: $previous{'awardci'} eq 'EXACT_ANS')) {
1432: &stringresponse_gradechange($part,$id,\%previous,
1433: 'ci',$response,$ad,$type);
1434: }
1435: }
1436: }
1437: }
1438: }
1439: &Apache::response::handle_previous(\%previous,$ad);
1440: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1441: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1442: }
1443: }
1444: } elsif ($target eq 'answer' || $target eq 'analyze') {
1445: my $stringify;
1446: if ($type ne 're') {
1447: $stringify = 1;
1448: }
1449: &add_in_tag_answer($parstack,$safeeval,$stringify);
1450: if ($target eq 'analyze') {
1451: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1452: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1453: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1454: 'answer');
1455: }
1456: &Apache::response::setup_params('stringresponse',$safeeval);
1457: if ($target eq 'answer') {
1458: $result.=&Apache::response::answer_header('stringresponse');
1459: }
1460: foreach my $name (keys(%answer)) {
1461: my @answers = @{ $answer{$name}{'answers'} };
1462: for (my $i=0;$i<=$#answers;$i++) {
1463: my $answer_part = $answers[$i];
1464: foreach my $element (@{$answer_part}) {
1465: if ($target eq 'answer') {
1466: $result.=&Apache::response::answer_part('stringresponse',
1467: $element);
1468: if ($env{'form.grade_retrieveanswers'}) {
1469: $env{'form.grade_answers.resource.'.$part.'.'.$id} = $element;
1470: }
1471: } elsif ($target eq 'analyze') {
1472: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1473: $element);
1474: }
1475: }
1476: if ($target eq 'answer' && $type eq 're') {
1477: $result.=&Apache::response::answer_part('stringresponse',
1478: $answerdisplay);
1479: }
1480: }
1481: }
1482: my $string='Case Insensitive';
1483: if ($type eq 'mc') {
1484: $string='Multiple Choice';
1485: } elsif ($type eq 'cs') {
1486: $string='Case Sensitive';
1487: } elsif ($type eq 'ci') {
1488: $string='Case Insensitive';
1489: } elsif ($type eq 're') {
1490: $string='Regular Expression';
1491: }
1492: if ($target eq 'answer') {
1493: if ($env{'form.answer_output_mode'} eq 'tex') {
1494: $result.=&Apache::response::answer_part('stringresponse',
1495: "$string");
1496: } else {
1497: $result.=&Apache::response::answer_part('stringresponse',
1498: "<b>$string</b>");
1499: }
1500: } elsif ($target eq 'analyze') {
1501: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1502: $type);
1503: }
1504: if ($target eq 'answer') {
1505: $result.=&Apache::response::answer_footer('stringresponse');
1506: }
1507: } elsif ($target eq 'edit') {
1508: $result.='</td></tr>'.&Apache::edit::end_table;
1509: } elsif ($target eq 'web' || $target eq 'tex') {
1510: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1511: }
1512: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1513: $target eq 'tex' || $target eq 'analyze') {
1514: my $repetition = &Apache::response::repetition();
1515: &Apache::lonxml::increment_counter($repetition,"$part.$id");
1516: if ($target eq 'analyze') {
1517: &Apache::lonhomework::set_bubble_lines();
1518: }
1519: }
1520: &Apache::response::end_response;
1521: return $result;
1522: }
1523:
1524: sub start_formularesponse {
1525: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1526: my $result;
1527: if ($target eq 'meta') {
1528: &Apache::response::start_response($parstack,$safeeval);
1529: $result=&Apache::response::meta_package_write('formularesponse');
1530: &Apache::response::end_response();
1531: } else {
1532: $result.=&start_numericalresponse(@_);
1533: }
1534: return $result;
1535: }
1536:
1537: sub end_formularesponse {
1538: return end_numericalresponse(@_);
1539: }
1540:
1541: 1;
1542: __END__
1543:
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