Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.250
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.250 ! www 4: # $Id: caparesponse.pm,v 1.249 2011/11/14 03:08:05 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);
1.3 albertel 39:
1.50 harris41 40: BEGIN {
1.194 albertel 41: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3 albertel 42: }
43:
1.181 albertel 44: my %answer;
1.204 albertel 45: my @answers;
1.203 albertel 46: sub get_answer { return %answer; };
1.204 albertel 47: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
48: sub pop_answer { %answer = %{pop(@answers)}; };
1.203 albertel 49:
1.181 albertel 50: my $cur_name;
1.195 albertel 51: my $tag_internal_answer_name = 'INTERNAL';
52:
1.181 albertel 53: sub start_answer {
54: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
55: my $result;
56: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
57: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
58: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
59: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
60: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
61: }
62: if (!defined($type)) { $type = 'ordered' };
63: $answer{$cur_name}= { 'type' => $type,
64: 'answers' => [] };
1.208 albertel 65: if ($target eq 'edit') {
66: $result.=&Apache::edit::tag_start($target,$token);
67: $result.=&Apache::edit::text_arg('Name:','name',$token);
68: $result.=&Apache::edit::select_arg('Type:','type',
69: [['ordered', 'Ordered' ],
70: ['unordered','Unordered'],],
71: $token);
72: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
73: } elsif ($target eq 'modified') {
74: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
75: $safeeval,'name',
76: 'type');
77: if ($constructtag) {
78: $result = &Apache::edit::rebuild_tag($token);
79: $result.= &Apache::edit::handle_insert();
80: }
81: }
1.181 albertel 82: return $result;
83: }
84:
85: sub end_answer {
86: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
87: my $result;
1.208 albertel 88: if ($target eq 'edit') {
89: $result .= &Apache::edit::tag_end();
90: }
91:
1.181 albertel 92: undef($cur_name);
93: return $result;
94: }
95:
1.208 albertel 96: sub insert_answer {
97: return '
98: <answer>
99: <value></value>
100: </answer>';
101: }
102:
1.181 albertel 103: sub start_answergroup {
104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
105: my $result;
1.208 albertel 106: if ($target eq 'edit') {
107: $result.=&Apache::edit::tag_start($target,$token);
108: $result.=&Apache::edit::select_arg('Type:','type',
109: [['ordered', 'Ordered' ],
110: ['unordered','Unordered'],],
111: $token);
112: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
113: } elsif ($target eq 'modified') {
114: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
115: $safeeval,'name',
116: 'type');
117: if ($constructtag) {
118: $result = &Apache::edit::rebuild_tag($token);
119: $result.= &Apache::edit::handle_insert();
120: }
121: }
1.181 albertel 122: return $result;
123: }
124:
125: sub end_answergroup {
126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
127: my $result;
1.194 albertel 128: if ($target eq 'web') {
129: if ( &Apache::response::show_answer() ) {
130: my $partid = $Apache::inputtags::part;
131: my $id = $Apache::inputtags::response[-1];
132: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
133: $target,$token,$tagstack,$parstack,$parser,
134: $safeeval,-2);
135: }
1.208 albertel 136: } elsif ($target eq 'edit') {
137: $result .= &Apache::edit::tag_end();
1.194 albertel 138: }
1.181 albertel 139: return $result;
140: }
141:
1.208 albertel 142: sub insert_answergroup {
143: return '
144: <answergroup>
145: <answer>
146: <value></value>
147: </answer>
148: </answergroup>';
149: }
150:
1.181 albertel 151: sub start_value {
1.182 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 153: my $result;
154: if ( $target eq 'web' || $target eq 'tex' ||
155: $target eq 'grade' || $target eq 'webgrade' ||
156: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 157: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181 albertel 158: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
159: $$parstack[-1]);
1.195 albertel 160:
161: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
162:
1.208 albertel 163: } elsif ($target eq 'edit') {
164: $result.=&Apache::edit::tag_start($target,$token);
165: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
166: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
167: &Apache::edit::end_row();
168: } elsif ($target eq 'modified') {
169: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
1.181 albertel 170: }
171: return $result;
172: }
173:
174: sub end_value {
175: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
176: my $result;
1.208 albertel 177: if ($target eq 'edit') {
178: $result = &Apache::edit::end_table();
179: }
1.181 albertel 180: return $result;
181: }
182:
1.208 albertel 183: sub insert_value {
184: return '
185: <value></value>';
186: }
187:
1.195 albertel 188: sub start_vector {
189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
190: my $result;
191: if ( $target eq 'web' || $target eq 'tex' ||
192: $target eq 'grade' || $target eq 'webgrade' ||
193: $target eq 'answer' || $target eq 'analyze' ) {
194: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
195: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
196: if (@values == 1) {
197: @values = split(',',$values[0]);
198: }
199: push(@{ $answer{$cur_name}{'answers'} },\@values);
1.208 albertel 200: } elsif ($target eq 'edit') {
201: $result.=&Apache::edit::tag_start($target,$token);
202: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
203: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
204: &Apache::edit::end_row();
205: } elsif ($target eq 'modified') {
206: $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
1.195 albertel 207: }
208: return $result;
209: }
210:
211: sub end_vector {
212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
213: my $result;
1.208 albertel 214: if ($target eq 'edit') {
215: $result = &Apache::edit::end_table();
216: }
1.195 albertel 217: return $result;
218: }
219:
1.208 albertel 220: sub insert_vector {
221: return '
222: <value></value>';
223: }
224:
1.181 albertel 225: sub start_array {
1.182 albertel 226: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 227: my $result;
228: if ( $target eq 'web' || $target eq 'tex' ||
229: $target eq 'grade' || $target eq 'webgrade' ||
230: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 231: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181 albertel 232: my @values = &Apache::run::evaluate($bodytext,$safeeval,
233: $$parstack[-1]);
234: push(@{ $answer{$cur_name}{'answers'} },@values);
235: }
236: return $result;
237: }
238:
239: sub end_array {
240: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
241: my $result;
242: return $result;
243: }
244:
245: sub start_unit {
246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
247: my $result;
248: return $result;
249: }
250:
251: sub end_unit {
252: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
253: my $result;
254: return $result;
255: }
256:
1.89 albertel 257: sub start_numericalresponse {
258: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.195 albertel 259: &Apache::lonxml::register('Apache::caparesponse',
260: ('answer','answergroup','value','array','unit',
261: 'vector'));
1.208 albertel 262: push(@Apache::lonxml::namespace,'caparesponse');
1.89 albertel 263: my $id = &Apache::response::start_response($parstack,$safeeval);
264: my $result;
1.181 albertel 265: undef(%answer);
266: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89 albertel 267: if ($target eq 'edit') {
268: $result.=&Apache::edit::tag_start($target,$token);
269: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
270: if ($token->[1] eq 'numericalresponse') {
1.122 albertel 271: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149 www 272: $token).
273: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89 albertel 274: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
275: &Apache::loncommon::help_open_topic('Physical_Units');
276: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
277: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
278: } elsif ($token->[1] eq 'formularesponse') {
279: $result.=&Apache::edit::text_arg('Sample Points:','samples',
280: $token,40).
281: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
282: }
1.248 www 283: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
284: $token,10);
1.89 albertel 285: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
286: } elsif ($target eq 'modified') {
287: my $constructtag;
288: if ($token->[1] eq 'numericalresponse') {
289: $constructtag=&Apache::edit::get_new_args($token,$parstack,
290: $safeeval,'answer',
1.156 albertel 291: 'incorrect','unit',
1.248 www 292: 'format','preprocess');
1.89 albertel 293: } elsif ($token->[1] eq 'formularesponse') {
294: $constructtag=&Apache::edit::get_new_args($token,$parstack,
295: $safeeval,'answer',
1.250 ! www 296: 'samples','preprocess');
1.89 albertel 297: }
298: if ($constructtag) {
299: $result = &Apache::edit::rebuild_tag($token);
300: $result.=&Apache::edit::handle_insert();
1.22 albertel 301: }
1.89 albertel 302: } elsif ($target eq 'meta') {
303: $result=&Apache::response::meta_package_write('numericalresponse');
304: } elsif ($target eq 'answer' || $target eq 'grade') {
305: &Apache::response::reset_params();
1.96 albertel 306: } elsif ($target eq 'web') {
307: my $partid = $Apache::inputtags::part;
308: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
309: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
310: #no way to enter units, with radio buttons
1.238 www 311: if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
1.96 albertel 312: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
313: $safeeval);
314: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
315: }
1.146 albertel 316: if ( &Apache::response::show_answer() ) {
1.195 albertel 317: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
318: $parstack,$parser,$safeeval,-1);
1.194 albertel 319: }
320: }
321: return $result;
322: }
323:
324: sub set_answertext {
325: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
326: $response_level) = @_;
327: &add_in_tag_answer($parstack,$safeeval,$response_level);
328:
1.206 albertel 329: if ($name eq '' || !ref($answer{$name})) {
330: if (ref($answer{$tag_internal_answer_name})) {
331: $name = $tag_internal_answer_name;
332: } else {
333: $name = (sort(keys(%answer)))[0];
334: }
335: }
1.194 albertel 336: return if ($name eq '' || !ref($answer{$name}));
337:
338: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
339: $safeeval,$response_level);
340: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
341: $response_level);
342:
343: &Apache::lonxml::debug("answer looks to be $name");
1.195 albertel 344: my @answertxt;
1.194 albertel 345: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195 albertel 346: my $answertxt;
1.194 albertel 347: my $answer=$answer{$name}{'answers'}[$i];
1.195 albertel 348: foreach my $element (@$answer) {
349: if ( scalar(@$tagstack)
350: && $tagstack->[$response_level] ne 'numericalresponse') {
351: $answertxt.=$element.',';
1.194 albertel 352: } else {
1.195 albertel 353: my $format;
354: if ($#formats > 0) {
355: $format=$formats[$i];
356: } else {
357: $format=$formats[0];
358: }
359: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
360: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
361: my $formatted=&format_number($element,$format,$target,
362: $safeeval);
363: $answertxt.=' '.$formatted.',';
1.146 albertel 364: }
1.195 albertel 365:
366: }
367: chop($answertxt);
368: if ($target eq 'web') {
369: $answertxt.=" $unit ";
1.146 albertel 370: }
1.195 albertel 371:
372: push(@answertxt,$answertxt)
1.16 albertel 373: }
1.194 albertel 374:
375: my $id = $Apache::inputtags::response[-1];
1.195 albertel 376: $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21 albertel 377: }
378:
1.195 albertel 379: sub setup_capa_args {
380: my ($safeeval,$parstack,$args,$response) = @_;
1.167 albertel 381: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195 albertel 382: undef(%{ $args_ref });
383:
384: foreach my $arg (@{$args}) {
1.167 albertel 385: $$args_ref{$arg}=
386: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
387: }
388: foreach my $key (keys(%Apache::inputtags::params)) {
389: $$args_ref{$key}=$Apache::inputtags::params{$key};
390: }
1.195 albertel 391: &setup_capa_response($args_ref,$response);
392: return $args_ref;
393: }
394:
395: sub setup_capa_response {
396: my ($args_ref,$response) = @_;
397:
398: if (ref($response)) {
399: $$args_ref{'response'}=dclone($response);
400: } else {
401: $$args_ref{'response'}=dclone([$response]);
402: }
403: }
404:
405: sub check_submission {
406: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
1.247 www 407: my @args = ('type','tol','sig','format','unit','calc','samples','preprocess');
1.195 albertel 408: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
409:
410: my $hideunit=
411: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
412: #no way to enter units, with radio buttons
1.167 albertel 413: if ($Apache::lonhomework::type eq 'exam' ||
414: lc($hideunit) eq "yes") {
415: delete($$args_ref{'unit'});
416: }
417: #sig fig don't make much sense either
418: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 419: &Apache::response::submitted('scantron') ||
420: $ignore_sig) &&
1.167 albertel 421: $tag eq 'numericalresponse') {
422: delete($$args_ref{'sig'});
423: }
424:
425: if ($tag eq 'formularesponse') {
1.199 www 426: if ($$args_ref{'samples'}) {
1.191 www 427: $$args_ref{'type'}='fml';
1.199 www 428: } else {
429: $$args_ref{'type'}='math';
430: }
1.167 albertel 431: } elsif ($tag eq 'numericalresponse') {
432: $$args_ref{'type'}='float';
1.233 raeburn 433: } elsif ($tag eq 'stringresponse') {
434: if ($$args_ref{'type'} eq '') {
435: $$args_ref{'type'} = 'ci';
436: }
1.167 albertel 437: }
1.233 raeburn 438:
1.194 albertel 439: &add_in_tag_answer($parstack,$safeeval);
440:
1.218 albertel 441: if (!%answer) {
442: &Apache::lonxml::error("No answers are defined");
443: }
444:
1.195 albertel 445: my (@final_awards,@final_msgs,@names);
1.181 albertel 446: foreach my $name (keys(%answer)) {
447: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 albertel 448:
449: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195 albertel 450: &setup_capa_response($args_ref,$response);
451: use Time::HiRes;
452: my $t0 = [Time::HiRes::gettimeofday()];
1.181 albertel 453: my ($result,@msgs) =
1.233 raeburn 454: &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195 albertel 455: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.243 raeburn 456:
1.181 albertel 457: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
458: my ($awards)=split(/:/,$result);
459: my @awards= split(/,/,$awards);
460: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
461: push(@final_awards,$ad);
462: push(@final_msgs,$msg);
463: push(@names,$name);
464: }
465: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
466: \@final_msgs,
467: \@names,1);
1.194 albertel 468: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
469: return($ad,$msg, $name);
470: }
471:
1.241 raeburn 472: sub stringresponse_gradechange {
473: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_;
474: return unless (ref($previous) eq 'HASH');
475: my ($prevarray,$prevaward);
476: my %typenames = (
477: cs => 'Case sensitive',
478: ci => 'Case insensitive',
479: );
480: if ($caller eq 'cs') {
481: return unless (ref($previous->{'version'}) eq 'ARRAY');
482: $prevarray = $previous->{'version'};
483: $prevaward = $previous->{'award'};
484: } elsif ($caller eq 'ci') {
485: return unless (ref($previous->{'versionci'}) eq 'ARRAY');
486: $prevarray = $previous->{'versionci'};
487: $prevaward = $previous->{'awardci'};
488: } else {
489: return;
490: }
491: my $count=0;
492: my %count_lookup;
493: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
494: my $prefix = $i.":resource.$part";
495: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
496: $count++;
497: $count_lookup{$i} = $count;
498: }
499: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
500: my %coursedesc = &Apache::lonnet::coursedescription($courseid);
501: my $cdom = $coursedesc{'domain'};
502: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')';
503: 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";
504: &Apache::lonnet::logthis($warning);
505: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'};
506: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail',
507: $cdom,$origmail);
508: if ($recipients ne '') {
509: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning);
510: }
511: return;
512: }
513:
1.194 albertel 514: sub add_in_tag_answer {
515: my ($parstack,$safeeval,$response_level) = @_;
516: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
517: $response_level);
518: &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213 albertel 519: if (@answer && $answer[0] =~ /\S/) {
1.195 albertel 520: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
521: 'answers' => [\@answer] };
1.194 albertel 522: }
1.167 albertel 523: }
524:
1.202 www 525: sub capa_formula_fix {
526: my ($expression)=@_;
527: return &Apache::response::implicit_multiplication($expression);
528: }
529:
1.89 albertel 530: sub end_numericalresponse {
531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208 albertel 532:
533: &Apache::lonxml::deregister('Apache::caparesponse',
534: ('answer','answergroup','value','array','unit',
535: 'vector'));
536: pop(@Apache::lonxml::namespace);
537:
1.90 albertel 538: my $increment=1;
1.89 albertel 539: my $result = '';
540: if (!$Apache::lonxml::default_homework_loaded) {
541: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 542: }
1.167 albertel 543: my $partid = $Apache::inputtags::part;
544: my $id = $Apache::inputtags::response[-1];
1.125 albertel 545: my $tag;
1.190 albertel 546: my $safehole = new Safe::Hole;
1.168 albertel 547: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 548:
1.125 albertel 549: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 550: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 551: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 552: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 553: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 554: $increment=&Apache::response::scored_response($partid,$id);
555: } else {
556: my $response = &Apache::response::getresponse();
557: if ( $response =~ /[^\s]/) {
558: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
559: &Apache::lonxml::debug("submitted a $response<br>\n");
560: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
561:
1.162 albertel 562: if ( &Apache::response::submitted('scantron')) {
1.228 riegler 563: &add_in_tag_answer($parstack,$safeeval);
564: my ($values,$display)=&make_numerical_bubbles($partid,$id,
565: $target,$parstack,$safeeval);
566: $response=$values->[$response];
567: }
568: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 569: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
570: $tag,$parstack,
571: $safeeval);
1.167 albertel 572:
1.142 albertel 573: &Apache::lonxml::debug('ad is'.$ad);
574: if ($ad eq 'SIG_FAIL') {
575: my ($sig_u,$sig_l)=
576: &get_sigrange($Apache::inputtags::params{'sig'});
577: $msg=join(':',$msg,$sig_l,$sig_u);
578: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
579: $Apache::inputtags::params{'sig'});
580: }
1.95 albertel 581: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.237 raeburn 582: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
583: $ad eq 'EXACT_ANS')) {
584: if ($Apache::lonhomework::type eq 'survey') {
585: $ad='SUBMITTED';
586: } elsif ($Apache::lonhomework::type eq 'surveycred') {
587: $ad='SUBMITTED_CREDIT';
588: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
589: $ad='ANONYMOUS';
590: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
591: $ad='ANONYMOUS_CREDIT';
592: }
593: }
1.95 albertel 594: &Apache::response::handle_previous(\%previous,$ad);
595: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 596: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 597: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 598: $result='';
1.90 albertel 599: }
1.89 albertel 600: }
601: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 602: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 603: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
604: my $status = $Apache::inputtags::status['-1'];
605: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 606: # FIXME support multi dimensional numerical problems
607: # in exam bubbles
1.184 albertel 608: my ($bubble_values,$bubble_display)=
609: &make_numerical_bubbles($partid,$id,$target,$parstack,
610: $safeeval);
611: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 612: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
613: $safeeval);
614: my @alphabet=('A'..'Z');
615: if ($target eq 'web') {
1.125 albertel 616: if ($tag eq 'numericalresponse') {
1.89 albertel 617: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
618: $result.= '<table border="1"><tr>';
1.116 albertel 619: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 620: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 621: my $checked='';
1.158 albertel 622: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 623: $checked=" checked='on' ";
624: }
1.90 albertel 625: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 626: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 627: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 628: $bubble_display->[$ind].'</td>';
1.89 albertel 629: }
630: $result.='</tr></table>';
631: }
632: } elsif ($target eq 'tex') {
1.107 sakharuk 633: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 634: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
635: }
1.125 albertel 636: if ($tag eq 'numericalresponse') {
1.90 albertel 637: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 638: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 639: my $j=0;
640: my $cou=0;
1.239 foxr 641: $result.='\vskip 2mm \noindent ';
642: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
643:
1.89 albertel 644: for (my $i=0;$i<$number_of_tables;$i++) {
1.239 foxr 645: if ($i == 0) {
646: $result .= '\vskip -1mm ';
647: } else {
648: $result .= '\vskip 1mm ';
649: }
650: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1.90 albertel 651: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 652: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 653: }
654: $result.='}';
1.90 albertel 655: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 656: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 657: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
658: }
659: $cou += $table_range[$j];
660: $j++;
661: $result.='\\\\\end{tabular}\vskip 0 mm ';
662: }
663: } else {
1.188 albertel 664: $increment = &Apache::response::repetition();
1.89 albertel 665: }
666: }
667: }
1.228 riegler 668: if (($target eq 'web') && ($tag eq 'formularesponse')
1.231 riegler 669: && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.235 raeburn 670: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
671: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
1.228 riegler 672: }
673:
1.212 albertel 674: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89 albertel 675: } elsif ($target eq 'edit') {
676: $result.='</td></tr>'.&Apache::edit::end_table;
677: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 678: my $part_id="$partid.$id";
1.89 albertel 679: if ($target eq 'analyze') {
680: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 681: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 682: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 683: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 684: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 685: &Apache::response::check_if_computed($token,$parstack,
686: $safeeval,'answer');
1.89 albertel 687: }
1.125 albertel 688: if (scalar(@$tagstack)) {
1.140 albertel 689: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 690: }
1.194 albertel 691: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 692: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 693:
1.58 sakharuk 694: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 695:
696: if ($target eq 'answer') {
1.195 albertel 697: $result.=&Apache::response::answer_header($tag,undef,
698: scalar(keys(%answer)));
1.185 albertel 699: if ($tag eq 'numericalresponse'
700: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 701: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
702: $id,$target,$parstack,$safeeval);
703: $result.=&Apache::response::answer_part($tag,$correct);
704: }
1.89 albertel 705: }
1.194 albertel 706: foreach my $name (sort(keys(%answer))) {
707: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 708: if ($target eq 'analyze') {
709: foreach my $info ('answer','ans_high','ans_low','format') {
710: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
711: }
712: }
1.194 albertel 713: my ($sigline,$tolline);
1.195 albertel 714: if ($name ne $tag_internal_answer_name
715: || scalar(keys(%answer)) > 1) {
716: $result.=&Apache::response::answer_part($tag,$name);
717: }
1.194 albertel 718: for(my $i=0;$i<=$#answers;$i++) {
719: my $ans=$answers[$i];
720: my $fmt=$formats[0];
721: if (@formats && $#formats) {$fmt=$formats[$i];}
722: my ($sighigh,$siglow);
723: if ($Apache::inputtags::params{'sig'}) {
724: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
725: }
1.195 albertel 726: my @vector;
727: if (ref($ans)) {
728: @vector = @{ $ans };
729: } else {
730: @vector = ($ans);
1.194 albertel 731: }
1.200 albertel 732: my @all_answer_info;
733: foreach my $element (@vector) {
734: my ($high,$low);
735: if ($Apache::inputtags::params{'tol'}) {
736: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
737: }
738: if ($target eq 'answer') {
1.195 albertel 739: if ($fmt && $tag eq 'numericalresponse') {
740: $fmt=~s/e/E/g;
741: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
742: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
743: $element = &format_number($element,$fmt,$target,$safeeval);
744: #if ($high) {
745: # $high=&format_number($high,$fmt,$target,$safeeval);
746: # $low =&format_number($low,$fmt,$target,$safeeval);
747: #}
748: }
749: if ($high && $tag eq 'numericalresponse') {
1.224 www 750: $element.='; ['.$low.'; '.$high.']';
1.195 albertel 751: $tolline .= "[$low, $high]";
752: }
753: if (defined($sighigh) && $tag eq 'numericalresponse') {
754: if ($env{'form.answer_output_mode'} eq 'tex') {
1.224 www 755: $element.= "; Sig $siglow - $sighigh";
1.195 albertel 756: } else {
757: $element.= " Sig <i>$siglow - $sighigh</i>";
758: $sigline .= "[$siglow, $sighigh]";
759: }
1.194 albertel 760: }
1.195 albertel 761: push(@all_answer_info,$element);
1.200 albertel 762:
763: } elsif ($target eq 'analyze') {
764: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
765: if ($high) {
766: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
767: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
768: }
769: if ($fmt) {
770: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
771: }
1.194 albertel 772: }
1.200 albertel 773: }
774: if ($target eq 'answer') {
1.223 www 775: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194 albertel 776: }
777: }
778:
779: my @fmt_ans;
780: for(my $i=0;$i<=$#answers;$i++) {
781: my $ans=$answers[$i];
782: my $fmt=$formats[0];
783: if (@formats && $#formats) {$fmt=$formats[$i];}
1.195 albertel 784: foreach my $element (@$ans) {
785: if ($fmt && $tag eq 'numericalresponse') {
786: $fmt=~s/e/E/g;
787: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
788: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
789: $element = &format_number($element,$fmt,$target,
790: $safeeval);
791: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
792: }
1.194 albertel 793: }
1.195 albertel 794: push(@fmt_ans,join(',',@$ans));
1.194 albertel 795: }
1.195 albertel 796: my $response=\@fmt_ans;
797:
1.194 albertel 798: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
799: $id.'.turnoffunit');
800: if ($unit ne '' &&
801: ! ($Apache::lonhomework::type eq 'exam' ||
802: lc($hideunit) eq "yes") ) {
803: my $cleanunit=$unit;
804: $cleanunit=~s/\$\,//g;
1.195 albertel 805: foreach my $ans (@fmt_ans) {
806: $ans.=" $cleanunit";
807: }
1.60 sakharuk 808: }
1.194 albertel 809: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
810: $parstack,$safeeval);
811: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
812: my $error;
813: if ($tag eq 'formularesponse') {
1.236 bisitz 814: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
1.194 albertel 815: } else {
816: # answer failed check if it is sig figs that is failing
817: my ($ad,$msg)=&check_submission($response,$partid,$id,
818: $tag,$parstack,
819: $safeeval,1);
1.236 bisitz 820: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
1.194 albertel 821: if ($sigline ne '') {
1.236 bisitz 822: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
1.98 sakharuk 823: } else {
1.236 bisitz 824: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
1.98 sakharuk 825: }
826: }
1.194 albertel 827: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
828: &Apache::lonxml::error($error);
829: } else {
830: &Apache::lonxml::warning($error);
1.165 albertel 831: }
1.79 sakharuk 832: }
1.176 albertel 833:
1.194 albertel 834: if (defined($unit) and ($unit ne '') and
835: $tag eq 'numericalresponse') {
836: if ($target eq 'answer') {
837: if ($env{'form.answer_output_mode'} eq 'tex') {
838: $result.=&Apache::response::answer_part($tag,
839: " Unit: $unit ");
840: } else {
841: $result.=&Apache::response::answer_part($tag,
842: "Unit: <b>$unit</b>");
843: }
844: } elsif ($target eq 'analyze') {
845: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 846: }
1.167 albertel 847: }
1.194 albertel 848: if ($tag eq 'formularesponse' && $target eq 'answer') {
849: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
850: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 851: }
1.195 albertel 852: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 853: }
854: if ($target eq 'answer') {
1.125 albertel 855: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 856: }
1.69 sakharuk 857: }
1.121 sakharuk 858: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 859: $target eq 'tex' || $target eq 'analyze') {
1.221 raeburn 860: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
861: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
862: if ($type eq 'exam') {
863: $increment = &Apache::response::repetition();
864: }
865: }
1.220 albertel 866: &Apache::lonxml::increment_counter($increment,"$partid.$id");
867: if ($target eq 'analyze') {
868: &Apache::lonhomework::set_bubble_lines();
869: }
1.90 albertel 870: }
1.196 albertel 871: &Apache::response::end_response();
1.89 albertel 872: return $result;
1.90 albertel 873: }
874:
1.212 albertel 875: sub format_prior_response_numerical {
876: my ($mode,$answer) = @_;
1.213 albertel 877: if (ref($answer)) {
878: my $result = '<table class="LC_prior_numerical"><tr>';
879: foreach my $element (@{ $answer }) {
880: $result.= '<td><span class="LC_prior_numerical">'.
881: &HTML::Entities::encode($element,'"<>&').'</span></td>';
882: }
883: $result.='</tr></table>';
884: return $result;
885: }
1.212 albertel 886: return '<span class="LC_prior_numerical">'.
887: &HTML::Entities::encode($answer,'"<>&').'</span>';
888:
1.209 albertel 889: }
890:
1.196 albertel 891: sub check_for_answer_errors {
892: my ($parstack,$safeeval) = @_;
893: &add_in_tag_answer($parstack,$safeeval);
894: my %counts;
895: foreach my $name (keys(%answer)) {
896: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
897: }
898: if (scalar(keys(%counts)) > 1) {
899: my $counts = join(' ',map {
900: my $count = $_;
901: &mt("Answers [_1] had [_2] components.",
902: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
903: $count);
904: } (sort(keys(%counts))));
905: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
906: }
907: my $expected_number_of_inputs = (keys(%counts))[0];
1.214 albertel 908: if ( $expected_number_of_inputs > 0
909: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196 albertel 910: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
911: $expected_number_of_inputs,
912: scalar(@Apache::inputtags::inputlist)));
913: }
914: }
915:
1.90 albertel 916: sub get_table_sizes {
1.128 sakharuk 917: my ($number_of_bubbles,$rbubble_values)=@_;
918: my $scale=2; #mm for one digit
919: my $cell_width=0;
920: foreach my $member (@$rbubble_values) {
921: my $cell_width_real=0;
1.160 albertel 922: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 923: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
924: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 925: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 926: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 927: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 928: } else {
1.138 sakharuk 929: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 930: }
931: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 932: }
1.132 sakharuk 933: $cell_width+=8;
1.130 sakharuk 934: my $textwidth;
1.166 albertel 935: if ($env{'form.textwidth'} ne '') {
936: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 937: $textwidth=$1.'.'.$2;
1.130 sakharuk 938: } else {
1.166 albertel 939: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 940: $textwidth=$1.'.'.$2;
1.130 sakharuk 941: }
1.128 sakharuk 942: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 943: if ($bubbles_per_line > $number_of_bubbles) {
944: $bubbles_per_line=$number_of_bubbles;
1.216 albertel 945: } elsif (($bubbles_per_line > $number_of_bubbles/2)
946: && ($number_of_bubbles % 2==0)) {
947: $bubbles_per_line=$number_of_bubbles/2;
948: }
949: if ($bubbles_per_line < 1) {
950: $bubbles_per_line=1;
951: }
1.128 sakharuk 952: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 953: my @table_range = ();
1.128 sakharuk 954: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
955: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 956: $number_of_tables++;
1.128 sakharuk 957: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 958: }
1.128 sakharuk 959: $cell_width-=8;
1.136 sakharuk 960: $cell_width=$cell_width*3/4;
1.128 sakharuk 961: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 962: }
963:
964: sub format_number {
1.153 albertel 965: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 966: my $ans;
1.153 albertel 967: if ($format eq '') {
1.90 albertel 968: #What is the number? (integer,decimal,floating point)
1.187 albertel 969: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 970: $format = '3e';
1.90 albertel 971: } elsif ($number=~/^(\d*)\.(\d*)$/) {
972: $format = '4f';
973: } elsif ($number=~/^(\d*)$/) {
974: $format = 'd';
975: }
976: }
1.156 albertel 977: if (!$Apache::lonxml::default_homework_loaded) {
978: &Apache::lonxml::default_homework_load($safeeval);
979: }
1.153 albertel 980: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 981: return $ans;
982: }
983:
984: sub make_numerical_bubbles {
1.184 albertel 985: my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215 albertel 986:
987: if (!%answer) {
988: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
989: return ([],[],undef);
990: }
1.184 albertel 991:
992: my $number_of_bubbles =
993: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
994:
995: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 996: my $name = (exists($answer{$tag_internal_answer_name})
997: ? $tag_internal_answer_name
998: : (sort(keys(%answer)))[0]);
999:
1000: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
1001: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
1002: }
1003: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
1004: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
1005: }
1006:
1007: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 1008: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
1009: $safeeval);
1010: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1011:
1.158 albertel 1012: my @bubble_values=();
1.184 albertel 1013: my @alphabet=('A'..'Z');
1014:
1015: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 1016: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 1017: if (@incorrect) {
1018: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
1019: if (defined($incorrect[0]) &&
1020: scalar(@incorrect)+1 >= $number_of_bubbles) {
1021: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 1022: &Apache::response::setrandomnumber();
1.184 albertel 1023: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 1024: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
1025: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 1026: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 1027: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1028:
1029: my $correct;
1030: for(my $i=0; $i<=$#bubble_values;$i++) {
1031: if ($bubble_values[$i] eq $answer) {
1032: $correct = $alphabet[$i];
1033: last;
1034: }
1035: }
1036:
1.134 albertel 1037: if (defined($format) && $format ne '') {
1.158 albertel 1038: my @bubble_display;
1.137 albertel 1039: foreach my $value (@bubble_values) {
1.158 albertel 1040: push(@bubble_display,
1041: &format_number($value,$format,$target,$safeeval));
1.134 albertel 1042: }
1.184 albertel 1043: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 1044: } else {
1.184 albertel 1045: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 1046: }
1.117 albertel 1047: }
1.184 albertel 1048: if (defined($incorrect[0]) &&
1049: scalar(@incorrect)+1 < $number_of_bubbles) {
1050: &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 1051: }
1.117 albertel 1052: }
1.90 albertel 1053: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 1054: my @powers = (1..$number_of_bubbles);
1.90 albertel 1055: &Apache::response::setrandomnumber();
1056: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
1057: my $power = $powers[$ind];
1058: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
1059: my $factor = $factors[$ind];
1.158 albertel 1060: my @bubble_display;
1.222 www 1061: my $answerfactor=$answer;
1062: if ($answer==0) {
1063: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1064: &Math::Random::random_uniform_integer(1,1,10);
1065: }
1.90 albertel 1066: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222 www 1067: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 1068: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 1069: $format,$target,$safeeval);
1.90 albertel 1070: }
1.184 albertel 1071: my $correct = $alphabet[$number_of_bubbles-$power];
1.222 www 1072: if ($answer==0) {
1073: $correct='A';
1074: $bubble_values[0]=0;
1075: $bubble_display[0] = &format_number($bubble_values[0],
1076: $format,$target,$safeeval);
1077: }
1.119 albertel 1078: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1079: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 1080: }
1081:
1082: sub get_tolrange {
1.89 albertel 1083: my ($ans,$tol)=@_;
1084: my ($high,$low);
1085: if ($tol =~ /%$/) {
1086: chop($tol);
1087: my $change=$ans*($tol/100.0);
1088: $high=$ans+$change;
1089: $low=$ans-$change;
1090: } else {
1091: $high=$ans+$tol;
1092: $low=$ans-$tol;
1093: }
1094: return ($high,$low);
1.52 albertel 1095: }
1096:
1097: sub get_sigrange {
1.89 albertel 1098: my ($sig)=@_;
1.195 albertel 1099: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 1100: my $courseid=$env{'request.course.id'};
1.219 albertel 1101: if ($env{'request.state'} ne 'construct'
1102: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 1103: return (15,0);
1104: }
1.89 albertel 1105: my $sig_lbound;
1106: my $sig_ubound;
1107: if ($sig eq '') {
1108: $sig_lbound = 0; #SIG_LB_DEFAULT
1109: $sig_ubound =15; #SIG_UB_DEFAULT
1110: } else {
1111: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 1112: if (!defined($sig_lbound)) {
1.89 albertel 1113: $sig_lbound = 0; #SIG_LB_DEFAULT
1114: $sig_ubound =15; #SIG_UB_DEFAULT
1115: }
1.145 albertel 1116: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 1117: }
1118: if (($sig_ubound<$sig_lbound) ||
1119: ($sig_lbound > 15) ||
1120: ($sig =~/(\+|-)/ ) ) {
1121: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 1122: if ($env{'request.state'} eq 'construct') {
1.133 albertel 1123: $errormsg.=
1124: &Apache::loncommon::help_open_topic('Significant_Figures');
1125: }
1126: &Apache::lonxml::error($errormsg);
1.52 albertel 1127: }
1.89 albertel 1128: return ($sig_ubound,$sig_lbound);
1.34 albertel 1129: }
1130:
1.212 albertel 1131: sub format_prior_response_string {
1132: my ($mode,$answer) =@_;
1133: return '<span class="LC_prior_string">'.
1134: &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211 albertel 1135: }
1136:
1.34 albertel 1137: sub start_stringresponse {
1.89 albertel 1138: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1139: my $result;
1.122 albertel 1140: my $id = &Apache::response::start_response($parstack,$safeeval);
1.246 raeburn 1141: undef(%answer);
1.89 albertel 1142: if ($target eq 'meta') {
1143: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 1144: } elsif ($target eq 'edit') {
1145: $result.=&Apache::edit::tag_start($target,$token);
1146: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1147: $result.=&Apache::edit::select_arg('Type:','type',
1148: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1149: ['mc','Case Insensitive, Any Order'],
1150: ['re','Regular Expression']],$token);
1.152 albertel 1151: $result.=&Apache::edit::text_arg('String to display for answer:',
1152: 'answerdisplay',$token);
1.248 www 1153: $result.=&Apache::edit::text_arg('Pre-Processor Subroutine:','preprocess',
1154: $token,10);
1.122 albertel 1155: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1156: } elsif ($target eq 'modified') {
1.146 albertel 1157: my $constructtag;
1158: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1159: $safeeval,'answer',
1.248 www 1160: 'type','answerdisplay','preprocess');
1.146 albertel 1161: if ($constructtag) {
1162: $result = &Apache::edit::rebuild_tag($token);
1163: $result.=&Apache::edit::handle_insert();
1164: }
1165: } elsif ($target eq 'web') {
1166: if ( &Apache::response::show_answer() ) {
1.152 albertel 1167: my $answer=
1168: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1169: if (!defined $answer || $answer eq '') {
1170: $answer=
1171: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1172: }
1.195 albertel 1173: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 1174: }
1.122 albertel 1175: } elsif ($target eq 'answer' || $target eq 'grade') {
1176: &Apache::response::reset_params();
1.89 albertel 1177: }
1178: return $result;
1.34 albertel 1179: }
1180:
1181: sub end_stringresponse {
1.122 albertel 1182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 1183:
1.122 albertel 1184: my $result = '';
1185: my $part=$Apache::inputtags::part;
1186: my $id=$Apache::inputtags::response[-1];
1187: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1188: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 1189: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 1190: &Apache::lonxml::debug("current $answer ".$token->[2]);
1191: if (!$Apache::lonxml::default_homework_loaded) {
1192: &Apache::lonxml::default_homework_load($safeeval);
1193: }
1.162 albertel 1194: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 1195: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1196: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1197: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 1198: &Apache::response::submitted('scantron')) {
1.189 albertel 1199: &Apache::response::scored_response($part,$id);
1200:
1.122 albertel 1201: } else {
1202: my $response = &Apache::response::getresponse();
1203: if ( $response =~ /[^\s]/) {
1204: my %previous = &Apache::response::check_for_previous($response,
1.241 raeburn 1205: $part,$id,
1206: undef,$type);
1.122 albertel 1207: &Apache::lonxml::debug("submitted a $response<br>\n");
1208: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1209: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1210: $response;
1.142 albertel 1211: my ($ad,$msg);
1.122 albertel 1212: if ($type eq 're' ) {
1213: # if the RE wasn't in a var it likely got munged,
1214: # thus grab it from the var directly
1215: # my $testans=$token->[2]->{'answer'};
1216: # if ($testans !~ m/^\s*\$/) {
1217: # $answer=$token->[2]->{'answer'};
1218: # }
1.143 albertel 1219: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.248 www 1220: my $preprocess=&Apache::lonxml::get_param('preprocess',$parstack,$safeeval);
1221: $preprocess=~s/^\&//;
1222: if (defined($preprocess)) {
1223: &Apache::run::run('$LONCAPA::response=&'.$preprocess.'($LONCAPA::response);',$safeeval);
1224: }
1.179 albertel 1225: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 1226: &Apache::lonxml::debug("current $response");
1227: &Apache::lonxml::debug("current $answer");
1228: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1229: } else {
1.248 www 1230: my @args = ('type','preprocess');
1.195 albertel 1231: my $args_ref = &setup_capa_args($safeeval,$parstack,
1232: \@args,$response);
1.233 raeburn 1233: if ($$args_ref{'type'} eq '') {
1234: $$args_ref{'type'} = 'ci';
1235: }
1.195 albertel 1236: &add_in_tag_answer($parstack,$safeeval);
1.243 raeburn 1237: my (@final_awards,@final_msgs,@names,%ansstring);
1.195 albertel 1238: foreach my $name (keys(%answer)) {
1239: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1240: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.233 raeburn 1241: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.241 raeburn 1242: if ($$args_ref{'type'} =~ /^c[si]$/) {
1.243 raeburn 1243: $ansstring{$name} = pop(@msgs);
1.242 raeburn 1244: my $control_chars_removed = pop(@msgs);
1.241 raeburn 1245: my $error = pop(@msgs);
1.242 raeburn 1246: if (($error ne '') ||
1.245 raeburn 1247: ($control_chars_removed)) {
1.243 raeburn 1248: my ($symb,$courseid,$sdomain,$sname) =
1.241 raeburn 1249: &Apache::lonnet::whichuser();
1.245 raeburn 1250: if ($control_chars_removed) {
1.242 raeburn 1251: my $showresponse = $response;
1252: if ($response =~ /[\000-\037]/) {
1253: $response =~ s/[\000-\037]//g;
1254: }
1255: if ($showresponse =~ /[\r\n\f]/) {
1256: my @lines = split(/[\r\n\f]+/,$showresponse);
1257: $showresponse = join('\\n',@lines);
1258: }
1.243 raeburn 1259: &Apache::lonnet::logthis("Stringresponse grading: control characters stripped from submission ".$showresponse." for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1260: $Apache::lonhomework::results{"resource.$part.$id.submission"} = $response;
1261: }
1262: if ($error ne '') {
1.243 raeburn 1263: &Apache::lonnet::logthis("Stringresponse grading error: $error for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1264: }
1.241 raeburn 1265: }
1266: }
1.195 albertel 1267: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1268: my ($awards)=split(/:/,$result);
1269: my (@awards) = split(/,/,$awards);
1270: ($ad,$msg) =
1271: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1272: push(@final_awards,$ad);
1273: push(@final_msgs,$msg);
1274: push(@names,$name);
1275: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1276: }
1.240 raeburn 1277: ($ad, $msg, my $name) =
1.195 albertel 1278: &Apache::inputtags::finalizeawards(\@final_awards,
1279: \@final_msgs,
1280: \@names,1);
1.243 raeburn 1281: if (keys(%ansstring) > 0) {
1282: $Apache::lonhomework::results{"resource.$part.$id.answerstring"} = &Apache::lonnet::hash2str(%ansstring);
1283: }
1.122 albertel 1284: }
1.237 raeburn 1285: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1286: $ad eq 'EXACT_ANS')) {
1287: if ($Apache::lonhomework::type eq 'survey') {
1288: $ad='SUBMITTED';
1289: } elsif ($Apache::lonhomework::type eq 'surveycred') {
1290: $ad='SUBMITTED_CREDIT';
1291: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
1292: $ad='ANONYMOUS';
1293: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
1294: $ad='ANONYMOUS_CREDIT';
1295: }
1296: }
1.244 raeburn 1297: unless (($env{'request.state'} eq 'construct') ||
1298: ($Apache::lonhomework::type eq 'randomizetry')) {
1299: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || $ad eq 'EXACT_ANS')) {
1300: if ($previous{'used'}) {
1301: if ($ad ne $previous{'award'}) {
1302: if (($previous{'award'} eq 'INCORRECT' ||
1303: $previous{'award'} eq 'APPROX_ANS' ||
1304: $previous{'award'} eq 'EXACT_ANS')) {
1305: &stringresponse_gradechange($part,$id,\%previous,
1306: 'cs',$response,$ad,$type);
1307: }
1308: }
1309: } elsif ($previous{'usedci'}) {
1310: if ($ad ne $previous{'awardci'}) {
1311: if (($previous{'awardci'} eq 'INCORRECT' ||
1312: $previous{'awardci'} eq 'APPROX_ANS' ||
1313: $previous{'awardci'} eq 'EXACT_ANS')) {
1314: &stringresponse_gradechange($part,$id,\%previous,
1315: 'ci',$response,$ad,$type);
1316: }
1317: }
1.241 raeburn 1318: }
1319: }
1320: }
1.122 albertel 1321: &Apache::response::handle_previous(\%previous,$ad);
1322: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1323: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1324: }
1325: }
1326: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1327: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1328: if ($target eq 'analyze') {
1329: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1330: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1331: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1332: 'answer');
1.122 albertel 1333: }
1.140 albertel 1334: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1335: if ($target eq 'answer') {
1.125 albertel 1336: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1337: }
1.200 albertel 1338: foreach my $name (keys(%answer)) {
1339: my @answers = @{ $answer{$name}{'answers'} };
1340: for (my $i=0;$i<=$#answers;$i++) {
1341: my $answer_part = $answers[$i];
1342: foreach my $element (@{$answer_part}) {
1343: if ($target eq 'answer') {
1344: $result.=&Apache::response::answer_part('stringresponse',
1345: $element);
1.243 raeburn 1346: if ($env{'form.grade_retrieveanswers'}) {
1347: $env{'form.grade_answers.resource.'.$part.'.'.$id} = $element;
1348: }
1.200 albertel 1349: } elsif ($target eq 'analyze') {
1350: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1351: $element);
1352: }
1353: }
1354: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1355: $result.=&Apache::response::answer_part('stringresponse',
1356: $answerdisplay);
1357: }
1.122 albertel 1358: }
1.200 albertel 1359: }
1.122 albertel 1360: my $string='Case Insensitive';
1361: if ($type eq 'mc') {
1362: $string='Multiple Choice';
1363: } elsif ($type eq 'cs') {
1364: $string='Case Sensitive';
1365: } elsif ($type eq 'ci') {
1366: $string='Case Insensitive';
1367: } elsif ($type eq 're') {
1368: $string='Regular Expression';
1369: }
1370: if ($target eq 'answer') {
1.166 albertel 1371: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1372: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1373: "$string");
1374: } else {
1.125 albertel 1375: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1376: "<b>$string</b>");
1377: }
1378: } elsif ($target eq 'analyze') {
1379: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1380: $type);
1381: }
1382: if ($target eq 'answer') {
1.125 albertel 1383: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1384: }
1385: } elsif ($target eq 'edit') {
1386: $result.='</td></tr>'.&Apache::edit::end_table;
1.211 albertel 1387: } elsif ($target eq 'web' || $target eq 'tex') {
1.212 albertel 1388: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122 albertel 1389: }
1390: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1391: $target eq 'tex' || $target eq 'analyze') {
1.249 raeburn 1392: my $repetition = &Apache::response::repetition();
1393: &Apache::lonxml::increment_counter($repetition,"$part.$id");
1.220 albertel 1394: if ($target eq 'analyze') {
1395: &Apache::lonhomework::set_bubble_lines();
1396: }
1.122 albertel 1397: }
1398: &Apache::response::end_response;
1399: return $result;
1.44 albertel 1400: }
1401:
1402: sub start_formularesponse {
1.89 albertel 1403: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1404: my $result;
1405: if ($target eq 'meta') {
1.104 bowersj2 1406: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1407: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1408: &Apache::response::end_response();
1.89 albertel 1409: } else {
1410: $result.=&start_numericalresponse(@_);
1411: }
1412: return $result;
1.44 albertel 1413: }
1414:
1415: sub end_formularesponse {
1.89 albertel 1416: return end_numericalresponse(@_);
1.3 albertel 1417: }
1418:
1.1 albertel 1419: 1;
1.3 albertel 1420: __END__
1.89 albertel 1421:
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