Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.260
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.260 ! raeburn 4: # $Id: caparesponse.pm,v 1.259 2018/09/13 17:00:05 raeburn Exp $
1.47 albertel 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: #
1.3 albertel 28:
29: package Apache::caparesponse;
30: use strict;
1.4 albertel 31: use capa;
1.190 albertel 32: use Safe::Hole;
33: use Apache::lonmaxima();
1.129 www 34: use Apache::lonlocal;
1.166 albertel 35: use Apache::lonnet;
1.241 raeburn 36: use Apache::lonmsg();
1.202 www 37: use Apache::response();
1.194 albertel 38: use Storable qw(dclone);
1.251 foxr 39: use Apache::lonnet;
1.3 albertel 40:
1.50 harris41 41: BEGIN {
1.194 albertel 42: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3 albertel 43: }
44:
1.181 albertel 45: my %answer;
1.204 albertel 46: my @answers;
1.251 foxr 47: my @alphabet=('A'..'Z');
48:
1.203 albertel 49: sub get_answer { return %answer; };
1.204 albertel 50: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
51: sub pop_answer { %answer = %{pop(@answers)}; };
1.203 albertel 52:
1.181 albertel 53: my $cur_name;
1.195 albertel 54: my $tag_internal_answer_name = 'INTERNAL';
55:
1.181 albertel 56: sub start_answer {
57: my ($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' => $type,
67: 'answers' => [] };
1.208 albertel 68: if ($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: }
1.181 albertel 85: return $result;
86: }
87:
88: sub end_answer {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
90: my $result;
1.208 albertel 91: if ($target eq 'edit') {
92: $result .= &Apache::edit::tag_end();
93: }
94:
1.181 albertel 95: undef($cur_name);
96: return $result;
97: }
98:
1.208 albertel 99: sub insert_answer {
100: return '
101: <answer>
102: <value></value>
103: </answer>';
104: }
105:
1.181 albertel 106: sub start_answergroup {
107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
108: my $result;
1.208 albertel 109: if ($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: }
1.181 albertel 125: return $result;
126: }
127:
128: sub end_answergroup {
129: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
130: my $result;
1.194 albertel 131: if ($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: $safeeval,-2);
138: }
1.208 albertel 139: } elsif ($target eq 'edit') {
140: $result .= &Apache::edit::tag_end();
1.194 albertel 141: }
1.181 albertel 142: return $result;
143: }
144:
1.208 albertel 145: sub insert_answergroup {
146: return '
147: <answergroup>
148: <answer>
149: <value></value>
150: </answer>
151: </answergroup>';
152: }
153:
1.181 albertel 154: sub start_value {
1.182 albertel 155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 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' ) {
1.182 albertel 160: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181 albertel 161: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
162: $$parstack[-1]);
1.195 albertel 163:
164: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
165:
1.208 albertel 166: } elsif ($target eq 'edit') {
167: $result.=&Apache::edit::tag_start($target,$token);
168: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
169: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
170: &Apache::edit::end_row();
171: } elsif ($target eq 'modified') {
172: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
1.181 albertel 173: }
174: return $result;
175: }
176:
177: sub end_value {
178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
179: my $result;
1.208 albertel 180: if ($target eq 'edit') {
181: $result = &Apache::edit::end_table();
182: }
1.181 albertel 183: return $result;
184: }
185:
1.208 albertel 186: sub insert_value {
187: return '
188: <value></value>';
189: }
190:
1.195 albertel 191: sub start_vector {
192: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
193: my $result;
194: if ( $target eq 'web' || $target eq 'tex' ||
195: $target eq 'grade' || $target eq 'webgrade' ||
196: $target eq 'answer' || $target eq 'analyze' ) {
197: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
198: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
199: if (@values == 1) {
200: @values = split(',',$values[0]);
201: }
202: push(@{ $answer{$cur_name}{'answers'} },\@values);
1.208 albertel 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);
1.195 albertel 210: }
211: return $result;
212: }
213:
214: sub end_vector {
215: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
216: my $result;
1.208 albertel 217: if ($target eq 'edit') {
218: $result = &Apache::edit::end_table();
219: }
1.195 albertel 220: return $result;
221: }
222:
1.208 albertel 223: sub insert_vector {
224: return '
225: <value></value>';
226: }
227:
1.181 albertel 228: sub start_array {
1.182 albertel 229: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 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' ) {
1.182 albertel 234: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181 albertel 235: my @values = &Apache::run::evaluate($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:
1.89 albertel 260: sub start_numericalresponse {
261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.195 albertel 262: &Apache::lonxml::register('Apache::caparesponse',
263: ('answer','answergroup','value','array','unit',
264: 'vector'));
1.208 albertel 265: push(@Apache::lonxml::namespace,'caparesponse');
1.89 albertel 266: my $id = &Apache::response::start_response($parstack,$safeeval);
267: my $result;
1.181 albertel 268: undef(%answer);
269: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89 albertel 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') {
1.122 albertel 274: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149 www 275: $token).
276: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89 albertel 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: }
1.248 www 286: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
287: $token,10);
1.89 albertel 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',
1.156 albertel 294: 'incorrect','unit',
1.248 www 295: 'format','preprocess');
1.89 albertel 296: } elsif ($token->[1] eq 'formularesponse') {
297: $constructtag=&Apache::edit::get_new_args($token,$parstack,
298: $safeeval,'answer',
1.250 www 299: 'samples','preprocess');
1.89 albertel 300: }
301: if ($constructtag) {
302: $result = &Apache::edit::rebuild_tag($token);
303: $result.=&Apache::edit::handle_insert();
1.22 albertel 304: }
1.89 albertel 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();
1.96 albertel 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
1.238 www 314: if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
1.96 albertel 315: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
316: $safeeval);
317: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
318: }
1.146 albertel 319: if ( &Apache::response::show_answer() ) {
1.195 albertel 320: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
321: $parstack,$parser,$safeeval,-1);
1.194 albertel 322: }
323: }
324: return $result;
325: }
326:
327: sub set_answertext {
328: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
329: $response_level) = @_;
330: &add_in_tag_answer($parstack,$safeeval,$response_level);
331:
1.206 albertel 332: if ($name eq '' || !ref($answer{$name})) {
333: if (ref($answer{$tag_internal_answer_name})) {
334: $name = $tag_internal_answer_name;
335: } else {
336: $name = (sort(keys(%answer)))[0];
337: }
338: }
1.194 albertel 339: return if ($name eq '' || !ref($answer{$name}));
340:
341: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
342: $safeeval,$response_level);
343: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
344: $response_level);
345:
346: &Apache::lonxml::debug("answer looks to be $name");
1.195 albertel 347: my @answertxt;
1.194 albertel 348: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195 albertel 349: my $answertxt;
1.194 albertel 350: my $answer=$answer{$name}{'answers'}[$i];
1.195 albertel 351: foreach my $element (@$answer) {
352: if ( scalar(@$tagstack)
353: && $tagstack->[$response_level] ne 'numericalresponse') {
354: $answertxt.=$element.',';
1.194 albertel 355: } else {
1.195 albertel 356: my $format;
357: if ($#formats > 0) {
358: $format=$formats[$i];
359: } else {
360: $format=$formats[0];
361: }
362: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
363: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
364: my $formatted=&format_number($element,$format,$target,
365: $safeeval);
366: $answertxt.=' '.$formatted.',';
1.146 albertel 367: }
1.195 albertel 368:
369: }
370: chop($answertxt);
371: if ($target eq 'web') {
372: $answertxt.=" $unit ";
1.146 albertel 373: }
1.195 albertel 374:
375: push(@answertxt,$answertxt)
1.16 albertel 376: }
1.194 albertel 377:
378: my $id = $Apache::inputtags::response[-1];
1.195 albertel 379: $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21 albertel 380: }
381:
1.195 albertel 382: sub setup_capa_args {
383: my ($safeeval,$parstack,$args,$response) = @_;
1.167 albertel 384: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195 albertel 385: undef(%{ $args_ref });
386:
387: foreach my $arg (@{$args}) {
1.167 albertel 388: $$args_ref{$arg}=
389: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
390: }
391: foreach my $key (keys(%Apache::inputtags::params)) {
392: $$args_ref{$key}=$Apache::inputtags::params{$key};
393: }
1.195 albertel 394: &setup_capa_response($args_ref,$response);
395: return $args_ref;
396: }
397:
398: sub setup_capa_response {
399: my ($args_ref,$response) = @_;
400:
401: if (ref($response)) {
402: $$args_ref{'response'}=dclone($response);
403: } else {
404: $$args_ref{'response'}=dclone([$response]);
405: }
406: }
407:
408: sub check_submission {
409: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
1.247 www 410: my @args = ('type','tol','sig','format','unit','calc','samples','preprocess');
1.195 albertel 411: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
412:
413: my $hideunit=
414: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
415: #no way to enter units, with radio buttons
1.167 albertel 416: if ($Apache::lonhomework::type eq 'exam' ||
417: lc($hideunit) eq "yes") {
418: delete($$args_ref{'unit'});
419: }
420: #sig fig don't make much sense either
421: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 422: &Apache::response::submitted('scantron') ||
423: $ignore_sig) &&
1.167 albertel 424: $tag eq 'numericalresponse') {
425: delete($$args_ref{'sig'});
426: }
427:
428: if ($tag eq 'formularesponse') {
1.199 www 429: if ($$args_ref{'samples'}) {
1.191 www 430: $$args_ref{'type'}='fml';
1.199 www 431: } else {
432: $$args_ref{'type'}='math';
433: }
1.167 albertel 434: } elsif ($tag eq 'numericalresponse') {
435: $$args_ref{'type'}='float';
1.233 raeburn 436: } elsif ($tag eq 'stringresponse') {
437: if ($$args_ref{'type'} eq '') {
438: $$args_ref{'type'} = 'ci';
439: }
1.167 albertel 440: }
1.233 raeburn 441:
1.194 albertel 442: &add_in_tag_answer($parstack,$safeeval);
443:
1.218 albertel 444: if (!%answer) {
445: &Apache::lonxml::error("No answers are defined");
446: }
447:
1.195 albertel 448: my (@final_awards,@final_msgs,@names);
1.181 albertel 449: foreach my $name (keys(%answer)) {
450: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 albertel 451:
452: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195 albertel 453: &setup_capa_response($args_ref,$response);
454: use Time::HiRes;
455: my $t0 = [Time::HiRes::gettimeofday()];
1.181 albertel 456: my ($result,@msgs) =
1.233 raeburn 457: &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195 albertel 458: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.181 albertel 459: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
460: my ($awards)=split(/:/,$result);
461: my @awards= split(/,/,$awards);
462: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
463: push(@final_awards,$ad);
464: push(@final_msgs,$msg);
465: push(@names,$name);
466: }
467: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
468: \@final_msgs,
469: \@names,1);
1.194 albertel 470: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
471: return($ad,$msg, $name);
472: }
473:
1.241 raeburn 474: sub stringresponse_gradechange {
475: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_;
476: return unless (ref($previous) eq 'HASH');
477: my ($prevarray,$prevaward);
478: my %typenames = (
479: cs => 'Case sensitive',
480: ci => 'Case insensitive',
481: );
482: if ($caller eq 'cs') {
483: return unless (ref($previous->{'version'}) eq 'ARRAY');
484: $prevarray = $previous->{'version'};
485: $prevaward = $previous->{'award'};
486: } elsif ($caller eq 'ci') {
487: return unless (ref($previous->{'versionci'}) eq 'ARRAY');
488: $prevarray = $previous->{'versionci'};
489: $prevaward = $previous->{'awardci'};
490: } else {
491: return;
492: }
493: my $count=0;
494: my %count_lookup;
495: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
496: my $prefix = $i.":resource.$part";
497: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
498: $count++;
499: $count_lookup{$i} = $count;
500: }
501: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
502: my %coursedesc = &Apache::lonnet::coursedescription($courseid);
503: my $cdom = $coursedesc{'domain'};
504: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')';
505: 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";
506: &Apache::lonnet::logthis($warning);
507: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'};
508: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail',
509: $cdom,$origmail);
510: if ($recipients ne '') {
511: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning);
512: }
513: return;
514: }
515:
1.194 albertel 516: sub add_in_tag_answer {
517: my ($parstack,$safeeval,$response_level) = @_;
518: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
519: $response_level);
520: &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213 albertel 521: if (@answer && $answer[0] =~ /\S/) {
1.195 albertel 522: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
523: 'answers' => [\@answer] };
1.194 albertel 524: }
1.167 albertel 525: }
526:
1.202 www 527: sub capa_formula_fix {
528: my ($expression)=@_;
529: return &Apache::response::implicit_multiplication($expression);
530: }
531:
1.89 albertel 532: sub end_numericalresponse {
533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208 albertel 534:
535: &Apache::lonxml::deregister('Apache::caparesponse',
536: ('answer','answergroup','value','array','unit',
537: 'vector'));
538: pop(@Apache::lonxml::namespace);
539:
1.90 albertel 540: my $increment=1;
1.89 albertel 541: my $result = '';
542: if (!$Apache::lonxml::default_homework_loaded) {
543: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 544: }
1.167 albertel 545: my $partid = $Apache::inputtags::part;
546: my $id = $Apache::inputtags::response[-1];
1.125 albertel 547: my $tag;
1.190 albertel 548: my $safehole = new Safe::Hole;
1.168 albertel 549: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 550:
1.125 albertel 551: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 552: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 553: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 554: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 555: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 556: $increment=&Apache::response::scored_response($partid,$id);
557: } else {
558: my $response = &Apache::response::getresponse();
559: if ( $response =~ /[^\s]/) {
560: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
561: &Apache::lonxml::debug("submitted a $response<br>\n");
562: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
563:
1.162 albertel 564: if ( &Apache::response::submitted('scantron')) {
1.228 riegler 565: &add_in_tag_answer($parstack,$safeeval);
566: my ($values,$display)=&make_numerical_bubbles($partid,$id,
567: $target,$parstack,$safeeval);
568: $response=$values->[$response];
569: }
570: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 571: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
572: $tag,$parstack,
573: $safeeval);
1.167 albertel 574:
1.142 albertel 575: &Apache::lonxml::debug('ad is'.$ad);
576: if ($ad eq 'SIG_FAIL') {
577: my ($sig_u,$sig_l)=
578: &get_sigrange($Apache::inputtags::params{'sig'});
579: $msg=join(':',$msg,$sig_l,$sig_u);
580: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
581: $Apache::inputtags::params{'sig'});
582: }
1.95 albertel 583: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.237 raeburn 584: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
585: $ad eq 'EXACT_ANS')) {
586: if ($Apache::lonhomework::type eq 'survey') {
587: $ad='SUBMITTED';
588: } elsif ($Apache::lonhomework::type eq 'surveycred') {
589: $ad='SUBMITTED_CREDIT';
590: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
591: $ad='ANONYMOUS';
592: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
593: $ad='ANONYMOUS_CREDIT';
594: }
595: }
1.95 albertel 596: &Apache::response::handle_previous(\%previous,$ad);
597: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 598: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 599: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 600: $result='';
1.90 albertel 601: }
1.89 albertel 602: }
603: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 604: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 605: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
606: my $status = $Apache::inputtags::status['-1'];
607: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 608: # FIXME support multi dimensional numerical problems
609: # in exam bubbles
1.184 albertel 610: my ($bubble_values,$bubble_display)=
611: &make_numerical_bubbles($partid,$id,$target,$parstack,
612: $safeeval);
613: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 614: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
615: $safeeval);
616: if ($target eq 'web') {
1.125 albertel 617: if ($tag eq 'numericalresponse') {
1.89 albertel 618: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
619: $result.= '<table border="1"><tr>';
1.116 albertel 620: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 621: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 622: my $checked='';
1.158 albertel 623: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 624: $checked=" checked='on' ";
625: }
1.90 albertel 626: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 627: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 628: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 629: $bubble_display->[$ind].'</td>';
1.89 albertel 630: }
631: $result.='</tr></table>';
632: }
633: } elsif ($target eq 'tex') {
1.107 sakharuk 634: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 635: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
636: }
1.125 albertel 637: if ($tag eq 'numericalresponse') {
1.251 foxr 638: $result .= &make_horizontal_latex_bubbles($bubble_values, $bubble_display,
639: '$\bigcirc$');
1.89 albertel 640: } else {
1.188 albertel 641: $increment = &Apache::response::repetition();
1.89 albertel 642: }
643: }
644: }
1.256 raeburn 645:
1.212 albertel 646: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89 albertel 647: } elsif ($target eq 'edit') {
648: $result.='</td></tr>'.&Apache::edit::end_table;
649: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 650: my $part_id="$partid.$id";
1.89 albertel 651: if ($target eq 'analyze') {
652: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 653: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 654: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 655: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 656: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 657: &Apache::response::check_if_computed($token,$parstack,
658: $safeeval,'answer');
1.89 albertel 659: }
1.125 albertel 660: if (scalar(@$tagstack)) {
1.140 albertel 661: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 662: }
1.194 albertel 663: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 664: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 665:
1.58 sakharuk 666: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.259 raeburn 667: my ($needsdollar,$needscomma);
668: if ($unit =~ /\$/) {
669: $needsdollar = 1;
670: }
671: if ($unit =~ /\,/) {
672: $needscomma = 1;
673: }
674:
1.89 albertel 675: if ($target eq 'answer') {
1.195 albertel 676: $result.=&Apache::response::answer_header($tag,undef,
677: scalar(keys(%answer)));
1.185 albertel 678: if ($tag eq 'numericalresponse'
679: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 680: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
681: $id,$target,$parstack,$safeeval);
682: $result.=&Apache::response::answer_part($tag,$correct);
683: }
1.89 albertel 684: }
1.194 albertel 685: foreach my $name (sort(keys(%answer))) {
686: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 687: if ($target eq 'analyze') {
688: foreach my $info ('answer','ans_high','ans_low','format') {
689: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
690: }
691: }
1.194 albertel 692: my ($sigline,$tolline);
1.195 albertel 693: if ($name ne $tag_internal_answer_name
694: || scalar(keys(%answer)) > 1) {
695: $result.=&Apache::response::answer_part($tag,$name);
696: }
1.194 albertel 697: for(my $i=0;$i<=$#answers;$i++) {
698: my $ans=$answers[$i];
699: my $fmt=$formats[0];
700: if (@formats && $#formats) {$fmt=$formats[$i];}
701: my ($sighigh,$siglow);
702: if ($Apache::inputtags::params{'sig'}) {
703: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
704: }
1.195 albertel 705: my @vector;
706: if (ref($ans)) {
707: @vector = @{ $ans };
708: } else {
709: @vector = ($ans);
1.194 albertel 710: }
1.200 albertel 711: my @all_answer_info;
712: foreach my $element (@vector) {
713: my ($high,$low);
714: if ($Apache::inputtags::params{'tol'}) {
715: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
716: }
717: if ($target eq 'answer') {
1.195 albertel 718: if ($fmt && $tag eq 'numericalresponse') {
719: $fmt=~s/e/E/g;
720: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
721: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
722: $element = &format_number($element,$fmt,$target,$safeeval);
723: #if ($high) {
724: # $high=&format_number($high,$fmt,$target,$safeeval);
725: # $low =&format_number($low,$fmt,$target,$safeeval);
726: #}
727: }
728: if ($high && $tag eq 'numericalresponse') {
1.224 www 729: $element.='; ['.$low.'; '.$high.']';
1.195 albertel 730: $tolline .= "[$low, $high]";
731: }
732: if (defined($sighigh) && $tag eq 'numericalresponse') {
733: if ($env{'form.answer_output_mode'} eq 'tex') {
1.224 www 734: $element.= "; Sig $siglow - $sighigh";
1.195 albertel 735: } else {
736: $element.= " Sig <i>$siglow - $sighigh</i>";
737: $sigline .= "[$siglow, $sighigh]";
738: }
1.194 albertel 739: }
1.195 albertel 740: push(@all_answer_info,$element);
1.200 albertel 741:
742: } elsif ($target eq 'analyze') {
743: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
744: if ($high) {
745: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
746: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
747: }
748: if ($fmt) {
749: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
750: }
1.194 albertel 751: }
1.200 albertel 752: }
753: if ($target eq 'answer') {
1.223 www 754: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194 albertel 755: }
756: }
757:
758: my @fmt_ans;
759: for(my $i=0;$i<=$#answers;$i++) {
760: my $ans=$answers[$i];
761: my $fmt=$formats[0];
762: if (@formats && $#formats) {$fmt=$formats[$i];}
1.260 ! raeburn 763: my @answers;
! 764: if (ref($ans) eq 'ARRAY') {
! 765: @answers = (@{$ans});
! 766: }
! 767: foreach my $element (@answers) {
1.195 albertel 768: if ($fmt && $tag eq 'numericalresponse') {
769: $fmt=~s/e/E/g;
770: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
771: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
772: $element = &format_number($element,$fmt,$target,
773: $safeeval);
1.259 raeburn 774: if ($fmt=~/\$/ && !$needsdollar) { $element=~s/\$//; }
1.195 albertel 775: }
1.194 albertel 776: }
1.260 ! raeburn 777: push(@fmt_ans,join(',',@answers));
1.194 albertel 778: }
1.195 albertel 779: my $response=\@fmt_ans;
780:
1.194 albertel 781: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
782: $id.'.turnoffunit');
783: if ($unit ne '' &&
784: ! ($Apache::lonhomework::type eq 'exam' ||
785: lc($hideunit) eq "yes") ) {
786: my $cleanunit=$unit;
1.259 raeburn 787: $cleanunit=~s/[\$,]//g;
1.195 albertel 788: foreach my $ans (@fmt_ans) {
789: $ans.=" $cleanunit";
790: }
1.60 sakharuk 791: }
1.194 albertel 792: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
793: $parstack,$safeeval);
794: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
795: my $error;
796: if ($tag eq 'formularesponse') {
1.236 bisitz 797: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
1.194 albertel 798: } else {
799: # answer failed check if it is sig figs that is failing
800: my ($ad,$msg)=&check_submission($response,$partid,$id,
801: $tag,$parstack,
802: $safeeval,1);
1.236 bisitz 803: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
1.259 raeburn 804: if (($ad eq 'NO_UNIT') && $needsdollar) {
805: $error.=&mt('The unit attribute includes [_1] but the answer format does not.','$').' '.
806: &mt('Either remove the [_1] from the unit or prepend [_1] to the answer format.','$');
807: } elsif (($ad eq 'COMMA_FAIL') && $needscomma) {
808: $error.=&mt('The unit attribute includes [_1] but the answer format does not.',',').' '.
809: &mt('Either remove the [_1] from the unit or prepend [_1] to the answer format.',',');
810: } elsif ($ad eq 'UNIT_INVALID_STUDENT') {
1.257 raeburn 811: $error.=&mt('Unable to interpret units. Computer reads units as "[_1]".',$msg).' '.
812: &mt('The unit attribute in the numericalresponse item needs to be a supported physical unit.');
813: } elsif ($sigline ne '') {
1.236 bisitz 814: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
1.98 sakharuk 815: } else {
1.236 bisitz 816: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
1.98 sakharuk 817: }
818: }
1.194 albertel 819: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
820: &Apache::lonxml::error($error);
821: } else {
822: &Apache::lonxml::warning($error);
1.165 albertel 823: }
1.79 sakharuk 824: }
1.176 albertel 825:
1.194 albertel 826: if (defined($unit) and ($unit ne '') and
827: $tag eq 'numericalresponse') {
828: if ($target eq 'answer') {
829: if ($env{'form.answer_output_mode'} eq 'tex') {
830: $result.=&Apache::response::answer_part($tag,
831: " Unit: $unit ");
832: } else {
833: $result.=&Apache::response::answer_part($tag,
834: "Unit: <b>$unit</b>");
835: }
836: } elsif ($target eq 'analyze') {
837: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 838: }
1.167 albertel 839: }
1.194 albertel 840: if ($tag eq 'formularesponse' && $target eq 'answer') {
841: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
842: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 843: }
1.195 albertel 844: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 845: }
846: if ($target eq 'answer') {
1.125 albertel 847: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 848: }
1.69 sakharuk 849: }
1.121 sakharuk 850: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 851: $target eq 'tex' || $target eq 'analyze') {
1.221 raeburn 852: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
853: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
854: if ($type eq 'exam') {
855: $increment = &Apache::response::repetition();
856: }
857: }
1.220 albertel 858: &Apache::lonxml::increment_counter($increment,"$partid.$id");
859: if ($target eq 'analyze') {
860: &Apache::lonhomework::set_bubble_lines();
861: }
1.90 albertel 862: }
1.196 albertel 863: &Apache::response::end_response();
1.89 albertel 864: return $result;
1.90 albertel 865: }
866:
1.212 albertel 867: sub format_prior_response_numerical {
868: my ($mode,$answer) = @_;
1.213 albertel 869: if (ref($answer)) {
870: my $result = '<table class="LC_prior_numerical"><tr>';
871: foreach my $element (@{ $answer }) {
872: $result.= '<td><span class="LC_prior_numerical">'.
873: &HTML::Entities::encode($element,'"<>&').'</span></td>';
874: }
875: $result.='</tr></table>';
876: return $result;
877: }
1.212 albertel 878: return '<span class="LC_prior_numerical">'.
879: &HTML::Entities::encode($answer,'"<>&').'</span>';
880:
1.209 albertel 881: }
882:
1.196 albertel 883: sub check_for_answer_errors {
884: my ($parstack,$safeeval) = @_;
885: &add_in_tag_answer($parstack,$safeeval);
886: my %counts;
887: foreach my $name (keys(%answer)) {
888: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
889: }
890: if (scalar(keys(%counts)) > 1) {
891: my $counts = join(' ',map {
892: my $count = $_;
893: &mt("Answers [_1] had [_2] components.",
894: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
895: $count);
896: } (sort(keys(%counts))));
897: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
898: }
899: my $expected_number_of_inputs = (keys(%counts))[0];
1.214 albertel 900: if ( $expected_number_of_inputs > 0
901: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196 albertel 902: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
903: $expected_number_of_inputs,
904: scalar(@Apache::inputtags::inputlist)));
905: }
906: }
907:
1.90 albertel 908: sub get_table_sizes {
1.128 sakharuk 909: my ($number_of_bubbles,$rbubble_values)=@_;
910: my $scale=2; #mm for one digit
911: my $cell_width=0;
912: foreach my $member (@$rbubble_values) {
913: my $cell_width_real=0;
1.258 raeburn 914: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^\{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 915: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
916: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 917: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 918: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 919: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 920: } else {
1.138 sakharuk 921: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 922: }
923: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 924: }
1.132 sakharuk 925: $cell_width+=8;
1.130 sakharuk 926: my $textwidth;
1.166 albertel 927: if ($env{'form.textwidth'} ne '') {
928: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 929: $textwidth=$1.'.'.$2;
1.130 sakharuk 930: } else {
1.166 albertel 931: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 932: $textwidth=$1.'.'.$2;
1.130 sakharuk 933: }
1.128 sakharuk 934: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 935: if ($bubbles_per_line > $number_of_bubbles) {
936: $bubbles_per_line=$number_of_bubbles;
1.216 albertel 937: } elsif (($bubbles_per_line > $number_of_bubbles/2)
938: && ($number_of_bubbles % 2==0)) {
939: $bubbles_per_line=$number_of_bubbles/2;
940: }
941: if ($bubbles_per_line < 1) {
942: $bubbles_per_line=1;
943: }
1.128 sakharuk 944: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 945: my @table_range = ();
1.128 sakharuk 946: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
947: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 948: $number_of_tables++;
1.128 sakharuk 949: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 950: }
1.128 sakharuk 951: $cell_width-=8;
1.136 sakharuk 952: $cell_width=$cell_width*3/4;
1.128 sakharuk 953: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 954: }
955:
956: sub format_number {
1.153 albertel 957: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 958: my $ans;
1.153 albertel 959: if ($format eq '') {
1.90 albertel 960: #What is the number? (integer,decimal,floating point)
1.187 albertel 961: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 962: $format = '3e';
1.90 albertel 963: } elsif ($number=~/^(\d*)\.(\d*)$/) {
964: $format = '4f';
965: } elsif ($number=~/^(\d*)$/) {
966: $format = 'd';
967: }
968: }
1.156 albertel 969: if (!$Apache::lonxml::default_homework_loaded) {
970: &Apache::lonxml::default_homework_load($safeeval);
971: }
1.153 albertel 972: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 973: return $ans;
974: }
975:
976: sub make_numerical_bubbles {
1.184 albertel 977: my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215 albertel 978:
979: if (!%answer) {
980: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
981: return ([],[],undef);
982: }
1.184 albertel 983:
984: my $number_of_bubbles =
985: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
986:
1.252 foxr 987: #
988: # Fixes for BZ 6519 - number of bubbles <= 0 or non-integer.
989: #
990: $number_of_bubbles = int($number_of_bubbles + 0.5);
991: if ($number_of_bubbles <= 0) {
992: $number_of_bubbles = 8;
993: }
994:
995:
1.184 albertel 996: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 997: my $name = (exists($answer{$tag_internal_answer_name})
998: ? $tag_internal_answer_name
999: : (sort(keys(%answer)))[0]);
1000:
1001: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
1002: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
1003: }
1004: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
1005: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
1006: }
1007:
1008: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 1009: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
1010: $safeeval);
1011: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1012:
1.158 albertel 1013: my @bubble_values=();
1.184 albertel 1014: my @alphabet=('A'..'Z');
1015:
1016: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 1017: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 1018: if (@incorrect) {
1019: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
1020: if (defined($incorrect[0]) &&
1021: scalar(@incorrect)+1 >= $number_of_bubbles) {
1022: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 1023: &Apache::response::setrandomnumber();
1.184 albertel 1024: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 1025: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
1026: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 1027: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 1028: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1029:
1030: my $correct;
1031: for(my $i=0; $i<=$#bubble_values;$i++) {
1032: if ($bubble_values[$i] eq $answer) {
1033: $correct = $alphabet[$i];
1034: last;
1035: }
1036: }
1037:
1.134 albertel 1038: if (defined($format) && $format ne '') {
1.158 albertel 1039: my @bubble_display;
1.137 albertel 1040: foreach my $value (@bubble_values) {
1.158 albertel 1041: push(@bubble_display,
1042: &format_number($value,$format,$target,$safeeval));
1.134 albertel 1043: }
1.184 albertel 1044: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 1045: } else {
1.184 albertel 1046: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 1047: }
1.117 albertel 1048: }
1.184 albertel 1049: if (defined($incorrect[0]) &&
1050: scalar(@incorrect)+1 < $number_of_bubbles) {
1051: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
1.127 albertel 1052: }
1.117 albertel 1053: }
1.90 albertel 1054: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 1055: my @powers = (1..$number_of_bubbles);
1.90 albertel 1056: &Apache::response::setrandomnumber();
1057: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
1058: my $power = $powers[$ind];
1059: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
1060: my $factor = $factors[$ind];
1.158 albertel 1061: my @bubble_display;
1.222 www 1062: my $answerfactor=$answer;
1063: if ($answer==0) {
1064: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1065: &Math::Random::random_uniform_integer(1,1,10);
1066: }
1.90 albertel 1067: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222 www 1068: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 1069: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 1070: $format,$target,$safeeval);
1.90 albertel 1071: }
1.184 albertel 1072: my $correct = $alphabet[$number_of_bubbles-$power];
1.222 www 1073: if ($answer==0) {
1074: $correct='A';
1075: $bubble_values[0]=0;
1076: $bubble_display[0] = &format_number($bubble_values[0],
1077: $format,$target,$safeeval);
1078: }
1.119 albertel 1079: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1080: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 1081: }
1082:
1.251 foxr 1083: ##
1084: # Produce LaTeX bubbles laid out horizontally given a set of bubble values:
1085: #
1086: # @param bubble_values - reference to an array of bubble 'values'
1087: # @param bubble_display - reference to the array of texts to display to the user
1088: # for each bubble_value (this is mostly for numerical response
1089: # when the displayed value may not be an exact
1090: # representation of the bubble value.
1091: # @param bubble_fragment- The LaTeX fragment that will be plugged in to make
1092: # the bubble itself. Note that the code will autonomously
1093: # label each bubble with a lable...and that it's perfectly
1094: # acceptable to use "" for the bubble_fragment.
1095: #
1096: # @return string - the LaTeX fragment that produces the bubbles.
1097: #
1098: sub make_horizontal_latex_bubbles {
1099: my ($bubble_values, $bubble_display, $bubble_fragment) = @_;
1100: my $result;
1101:
1102: my $number_of_bubbles = scalar(@{$bubble_values});
1103:
1104: # Get the number of rows and columns in each row of the bubble
1105: # table:
1106:
1107: my ($celllength, $number_of_tables, @table_range) =
1108: &get_table_sizes($number_of_bubbles, $bubble_display);
1109:
1110: my $j=0;
1111: my $cou=0;
1112: $result.='\vskip 2mm \noindent ';
1113: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
1114:
1115: for (my $i=0;$i<$number_of_tables;$i++) {
1116: if ($i == 0) {
1117: $result .= '\vskip -1mm ';
1118: } else {
1119: $result .= '\vskip 1mm ';
1120: }
1121: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1122: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1123: $result.='p{4 mm}p{'.$celllength.' mm}';
1124: }
1125: $result.='}';
1126: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1127: $result.='\hskip -4 mm {\small \textbf{ '.$alphabet[$ind].'}}'
1128: . $bubble_fragment
1129: . '& \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1130: if ($ind != $cou+$table_range[$j]-1) {
1131: $result.=' & ';
1132: }
1133: }
1134: $cou += $table_range[$j];
1135: $j++;
1136: $result.='\\\\\end{tabular}\vskip 0 mm ';
1137: }
1138: return $result;
1139: }
1140:
1.51 albertel 1141: sub get_tolrange {
1.89 albertel 1142: my ($ans,$tol)=@_;
1143: my ($high,$low);
1144: if ($tol =~ /%$/) {
1145: chop($tol);
1146: my $change=$ans*($tol/100.0);
1147: $high=$ans+$change;
1148: $low=$ans-$change;
1149: } else {
1150: $high=$ans+$tol;
1151: $low=$ans-$tol;
1152: }
1153: return ($high,$low);
1.52 albertel 1154: }
1155:
1156: sub get_sigrange {
1.89 albertel 1157: my ($sig)=@_;
1.195 albertel 1158: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 1159: my $courseid=$env{'request.course.id'};
1.219 albertel 1160: if ($env{'request.state'} ne 'construct'
1161: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 1162: return (15,0);
1163: }
1.89 albertel 1164: my $sig_lbound;
1165: my $sig_ubound;
1166: if ($sig eq '') {
1167: $sig_lbound = 0; #SIG_LB_DEFAULT
1168: $sig_ubound =15; #SIG_UB_DEFAULT
1169: } else {
1170: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 1171: if (!defined($sig_lbound)) {
1.89 albertel 1172: $sig_lbound = 0; #SIG_LB_DEFAULT
1173: $sig_ubound =15; #SIG_UB_DEFAULT
1174: }
1.145 albertel 1175: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 1176: }
1177: if (($sig_ubound<$sig_lbound) ||
1178: ($sig_lbound > 15) ||
1179: ($sig =~/(\+|-)/ ) ) {
1180: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 1181: if ($env{'request.state'} eq 'construct') {
1.133 albertel 1182: $errormsg.=
1183: &Apache::loncommon::help_open_topic('Significant_Figures');
1184: }
1185: &Apache::lonxml::error($errormsg);
1.52 albertel 1186: }
1.89 albertel 1187: return ($sig_ubound,$sig_lbound);
1.34 albertel 1188: }
1189:
1.212 albertel 1190: sub format_prior_response_string {
1191: my ($mode,$answer) =@_;
1192: return '<span class="LC_prior_string">'.
1193: &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211 albertel 1194: }
1195:
1.34 albertel 1196: sub start_stringresponse {
1.89 albertel 1197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1198: my $result;
1.122 albertel 1199: my $id = &Apache::response::start_response($parstack,$safeeval);
1.246 raeburn 1200: undef(%answer);
1.89 albertel 1201: if ($target eq 'meta') {
1202: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 1203: } elsif ($target eq 'edit') {
1204: $result.=&Apache::edit::tag_start($target,$token);
1205: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1206: $result.=&Apache::edit::select_arg('Type:','type',
1207: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1208: ['mc','Case Insensitive, Any Order'],
1209: ['re','Regular Expression']],$token);
1.152 albertel 1210: $result.=&Apache::edit::text_arg('String to display for answer:',
1211: 'answerdisplay',$token);
1.248 www 1212: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
1213: $token,10);
1.122 albertel 1214: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1215: } elsif ($target eq 'modified') {
1.146 albertel 1216: my $constructtag;
1217: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1218: $safeeval,'answer',
1.248 www 1219: 'type','answerdisplay','preprocess');
1.146 albertel 1220: if ($constructtag) {
1221: $result = &Apache::edit::rebuild_tag($token);
1222: $result.=&Apache::edit::handle_insert();
1223: }
1224: } elsif ($target eq 'web') {
1225: if ( &Apache::response::show_answer() ) {
1.152 albertel 1226: my $answer=
1227: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1228: if (!defined $answer || $answer eq '') {
1229: $answer=
1230: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1231: }
1.195 albertel 1232: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 1233: }
1.122 albertel 1234: } elsif ($target eq 'answer' || $target eq 'grade') {
1235: &Apache::response::reset_params();
1.89 albertel 1236: }
1237: return $result;
1.34 albertel 1238: }
1239:
1240: sub end_stringresponse {
1.122 albertel 1241: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 1242:
1.122 albertel 1243: my $result = '';
1244: my $part=$Apache::inputtags::part;
1245: my $id=$Apache::inputtags::response[-1];
1246: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1247: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 1248: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 1249: &Apache::lonxml::debug("current $answer ".$token->[2]);
1250: if (!$Apache::lonxml::default_homework_loaded) {
1251: &Apache::lonxml::default_homework_load($safeeval);
1252: }
1.162 albertel 1253: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 1254: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1255: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1256: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 1257: &Apache::response::submitted('scantron')) {
1.189 albertel 1258: &Apache::response::scored_response($part,$id);
1259:
1.122 albertel 1260: } else {
1261: my $response = &Apache::response::getresponse();
1262: if ( $response =~ /[^\s]/) {
1263: my %previous = &Apache::response::check_for_previous($response,
1.241 raeburn 1264: $part,$id,
1265: undef,$type);
1.122 albertel 1266: &Apache::lonxml::debug("submitted a $response<br>\n");
1267: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1268: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1269: $response;
1.142 albertel 1270: my ($ad,$msg);
1.122 albertel 1271: if ($type eq 're' ) {
1272: # if the RE wasn't in a var it likely got munged,
1273: # thus grab it from the var directly
1274: # my $testans=$token->[2]->{'answer'};
1275: # if ($testans !~ m/^\s*\$/) {
1276: # $answer=$token->[2]->{'answer'};
1277: # }
1.143 albertel 1278: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.248 www 1279: my $preprocess=&Apache::lonxml::get_param('preprocess',$parstack,$safeeval);
1280: $preprocess=~s/^\&//;
1281: if (defined($preprocess)) {
1282: &Apache::run::run('$LONCAPA::response=&'.$preprocess.'($LONCAPA::response);',$safeeval);
1283: }
1.179 albertel 1284: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 1285: &Apache::lonxml::debug("current $response");
1286: &Apache::lonxml::debug("current $answer");
1287: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1288: } else {
1.248 www 1289: my @args = ('type','preprocess');
1.195 albertel 1290: my $args_ref = &setup_capa_args($safeeval,$parstack,
1291: \@args,$response);
1.233 raeburn 1292: if ($$args_ref{'type'} eq '') {
1293: $$args_ref{'type'} = 'ci';
1294: }
1.195 albertel 1295: &add_in_tag_answer($parstack,$safeeval);
1.243 raeburn 1296: my (@final_awards,@final_msgs,@names,%ansstring);
1.195 albertel 1297: foreach my $name (keys(%answer)) {
1298: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1299: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.233 raeburn 1300: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.241 raeburn 1301: if ($$args_ref{'type'} =~ /^c[si]$/) {
1.243 raeburn 1302: $ansstring{$name} = pop(@msgs);
1.242 raeburn 1303: my $control_chars_removed = pop(@msgs);
1.241 raeburn 1304: my $error = pop(@msgs);
1.242 raeburn 1305: if (($error ne '') ||
1.245 raeburn 1306: ($control_chars_removed)) {
1.243 raeburn 1307: my ($symb,$courseid,$sdomain,$sname) =
1.241 raeburn 1308: &Apache::lonnet::whichuser();
1.245 raeburn 1309: if ($control_chars_removed) {
1.242 raeburn 1310: my $showresponse = $response;
1311: if ($response =~ /[\000-\037]/) {
1312: $response =~ s/[\000-\037]//g;
1313: }
1314: if ($showresponse =~ /[\r\n\f]/) {
1315: my @lines = split(/[\r\n\f]+/,$showresponse);
1316: $showresponse = join('\\n',@lines);
1317: }
1.243 raeburn 1318: &Apache::lonnet::logthis("Stringresponse grading: control characters stripped from submission ".$showresponse." for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1319: $Apache::lonhomework::results{"resource.$part.$id.submission"} = $response;
1320: }
1321: if ($error ne '') {
1.243 raeburn 1322: &Apache::lonnet::logthis("Stringresponse grading error: $error for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1323: }
1.241 raeburn 1324: }
1325: }
1.195 albertel 1326: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1327: my ($awards)=split(/:/,$result);
1328: my (@awards) = split(/,/,$awards);
1329: ($ad,$msg) =
1330: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1331: push(@final_awards,$ad);
1332: push(@final_msgs,$msg);
1333: push(@names,$name);
1334: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1335: }
1.240 raeburn 1336: ($ad, $msg, my $name) =
1.195 albertel 1337: &Apache::inputtags::finalizeawards(\@final_awards,
1338: \@final_msgs,
1339: \@names,1);
1.243 raeburn 1340: if (keys(%ansstring) > 0) {
1341: $Apache::lonhomework::results{"resource.$part.$id.answerstring"} = &Apache::lonnet::hash2str(%ansstring);
1342: }
1.122 albertel 1343: }
1.237 raeburn 1344: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1345: $ad eq 'EXACT_ANS')) {
1346: if ($Apache::lonhomework::type eq 'survey') {
1347: $ad='SUBMITTED';
1348: } elsif ($Apache::lonhomework::type eq 'surveycred') {
1349: $ad='SUBMITTED_CREDIT';
1350: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
1351: $ad='ANONYMOUS';
1352: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
1353: $ad='ANONYMOUS_CREDIT';
1354: }
1355: }
1.244 raeburn 1356: unless (($env{'request.state'} eq 'construct') ||
1357: ($Apache::lonhomework::type eq 'randomizetry')) {
1358: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || $ad eq 'EXACT_ANS')) {
1359: if ($previous{'used'}) {
1360: if ($ad ne $previous{'award'}) {
1361: if (($previous{'award'} eq 'INCORRECT' ||
1362: $previous{'award'} eq 'APPROX_ANS' ||
1363: $previous{'award'} eq 'EXACT_ANS')) {
1364: &stringresponse_gradechange($part,$id,\%previous,
1365: 'cs',$response,$ad,$type);
1366: }
1367: }
1368: } elsif ($previous{'usedci'}) {
1369: if ($ad ne $previous{'awardci'}) {
1370: if (($previous{'awardci'} eq 'INCORRECT' ||
1371: $previous{'awardci'} eq 'APPROX_ANS' ||
1372: $previous{'awardci'} eq 'EXACT_ANS')) {
1373: &stringresponse_gradechange($part,$id,\%previous,
1374: 'ci',$response,$ad,$type);
1375: }
1376: }
1.241 raeburn 1377: }
1378: }
1379: }
1.122 albertel 1380: &Apache::response::handle_previous(\%previous,$ad);
1381: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1382: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1383: }
1384: }
1385: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1386: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1387: if ($target eq 'analyze') {
1388: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1389: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1390: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1391: 'answer');
1.122 albertel 1392: }
1.140 albertel 1393: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1394: if ($target eq 'answer') {
1.125 albertel 1395: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1396: }
1.200 albertel 1397: foreach my $name (keys(%answer)) {
1398: my @answers = @{ $answer{$name}{'answers'} };
1399: for (my $i=0;$i<=$#answers;$i++) {
1400: my $answer_part = $answers[$i];
1401: foreach my $element (@{$answer_part}) {
1402: if ($target eq 'answer') {
1403: $result.=&Apache::response::answer_part('stringresponse',
1404: $element);
1.243 raeburn 1405: if ($env{'form.grade_retrieveanswers'}) {
1406: $env{'form.grade_answers.resource.'.$part.'.'.$id} = $element;
1407: }
1.200 albertel 1408: } elsif ($target eq 'analyze') {
1409: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1410: $element);
1411: }
1412: }
1413: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1414: $result.=&Apache::response::answer_part('stringresponse',
1415: $answerdisplay);
1416: }
1.122 albertel 1417: }
1.200 albertel 1418: }
1.122 albertel 1419: my $string='Case Insensitive';
1420: if ($type eq 'mc') {
1421: $string='Multiple Choice';
1422: } elsif ($type eq 'cs') {
1423: $string='Case Sensitive';
1424: } elsif ($type eq 'ci') {
1425: $string='Case Insensitive';
1426: } elsif ($type eq 're') {
1427: $string='Regular Expression';
1428: }
1429: if ($target eq 'answer') {
1.166 albertel 1430: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1431: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1432: "$string");
1433: } else {
1.125 albertel 1434: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1435: "<b>$string</b>");
1436: }
1437: } elsif ($target eq 'analyze') {
1438: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1439: $type);
1440: }
1441: if ($target eq 'answer') {
1.125 albertel 1442: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1443: }
1444: } elsif ($target eq 'edit') {
1445: $result.='</td></tr>'.&Apache::edit::end_table;
1.211 albertel 1446: } elsif ($target eq 'web' || $target eq 'tex') {
1.212 albertel 1447: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122 albertel 1448: }
1449: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1450: $target eq 'tex' || $target eq 'analyze') {
1.249 raeburn 1451: my $repetition = &Apache::response::repetition();
1452: &Apache::lonxml::increment_counter($repetition,"$part.$id");
1.220 albertel 1453: if ($target eq 'analyze') {
1454: &Apache::lonhomework::set_bubble_lines();
1455: }
1.122 albertel 1456: }
1457: &Apache::response::end_response;
1458: return $result;
1.44 albertel 1459: }
1460:
1461: sub start_formularesponse {
1.89 albertel 1462: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1463: my $result;
1464: if ($target eq 'meta') {
1.104 bowersj2 1465: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1466: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1467: &Apache::response::end_response();
1.89 albertel 1468: } else {
1469: $result.=&start_numericalresponse(@_);
1470: }
1471: return $result;
1.44 albertel 1472: }
1473:
1474: sub end_formularesponse {
1.89 albertel 1475: return end_numericalresponse(@_);
1.3 albertel 1476: }
1477:
1.1 albertel 1478: 1;
1.3 albertel 1479: __END__
1.89 albertel 1480:
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