Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.246
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.246 ! raeburn 4: # $Id: caparesponse.pm,v 1.245 2011/02/02 18:48:06 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: }
283: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
284: } elsif ($target eq 'modified') {
285: my $constructtag;
286: if ($token->[1] eq 'numericalresponse') {
287: $constructtag=&Apache::edit::get_new_args($token,$parstack,
288: $safeeval,'answer',
1.156 albertel 289: 'incorrect','unit',
1.117 albertel 290: 'format');
1.89 albertel 291: } elsif ($token->[1] eq 'formularesponse') {
292: $constructtag=&Apache::edit::get_new_args($token,$parstack,
293: $safeeval,'answer',
294: 'samples');
295: }
296: if ($constructtag) {
297: $result = &Apache::edit::rebuild_tag($token);
298: $result.=&Apache::edit::handle_insert();
1.22 albertel 299: }
1.89 albertel 300: } elsif ($target eq 'meta') {
301: $result=&Apache::response::meta_package_write('numericalresponse');
302: } elsif ($target eq 'answer' || $target eq 'grade') {
303: &Apache::response::reset_params();
1.96 albertel 304: } elsif ($target eq 'web') {
305: my $partid = $Apache::inputtags::part;
306: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
307: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
308: #no way to enter units, with radio buttons
1.238 www 309: if ((lc($hideunit) eq "yes") && ($Apache::lonhomework::type ne 'exam')) {
1.96 albertel 310: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
311: $safeeval);
312: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
313: }
1.146 albertel 314: if ( &Apache::response::show_answer() ) {
1.195 albertel 315: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
316: $parstack,$parser,$safeeval,-1);
1.194 albertel 317: }
318: }
319: return $result;
320: }
321:
322: sub set_answertext {
323: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
324: $response_level) = @_;
325: &add_in_tag_answer($parstack,$safeeval,$response_level);
326:
1.206 albertel 327: if ($name eq '' || !ref($answer{$name})) {
328: if (ref($answer{$tag_internal_answer_name})) {
329: $name = $tag_internal_answer_name;
330: } else {
331: $name = (sort(keys(%answer)))[0];
332: }
333: }
1.194 albertel 334: return if ($name eq '' || !ref($answer{$name}));
335:
336: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
337: $safeeval,$response_level);
338: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
339: $response_level);
340:
341: &Apache::lonxml::debug("answer looks to be $name");
1.195 albertel 342: my @answertxt;
1.194 albertel 343: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195 albertel 344: my $answertxt;
1.194 albertel 345: my $answer=$answer{$name}{'answers'}[$i];
1.195 albertel 346: foreach my $element (@$answer) {
347: if ( scalar(@$tagstack)
348: && $tagstack->[$response_level] ne 'numericalresponse') {
349: $answertxt.=$element.',';
1.194 albertel 350: } else {
1.195 albertel 351: my $format;
352: if ($#formats > 0) {
353: $format=$formats[$i];
354: } else {
355: $format=$formats[0];
356: }
357: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
358: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
359: my $formatted=&format_number($element,$format,$target,
360: $safeeval);
361: $answertxt.=' '.$formatted.',';
1.146 albertel 362: }
1.195 albertel 363:
364: }
365: chop($answertxt);
366: if ($target eq 'web') {
367: $answertxt.=" $unit ";
1.146 albertel 368: }
1.195 albertel 369:
370: push(@answertxt,$answertxt)
1.16 albertel 371: }
1.194 albertel 372:
373: my $id = $Apache::inputtags::response[-1];
1.195 albertel 374: $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21 albertel 375: }
376:
1.195 albertel 377: sub setup_capa_args {
378: my ($safeeval,$parstack,$args,$response) = @_;
1.167 albertel 379: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195 albertel 380: undef(%{ $args_ref });
381:
382: foreach my $arg (@{$args}) {
1.167 albertel 383: $$args_ref{$arg}=
384: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
385: }
386: foreach my $key (keys(%Apache::inputtags::params)) {
387: $$args_ref{$key}=$Apache::inputtags::params{$key};
388: }
1.195 albertel 389: &setup_capa_response($args_ref,$response);
390: return $args_ref;
391: }
392:
393: sub setup_capa_response {
394: my ($args_ref,$response) = @_;
395:
396: if (ref($response)) {
397: $$args_ref{'response'}=dclone($response);
398: } else {
399: $$args_ref{'response'}=dclone([$response]);
400: }
401: }
402:
403: sub check_submission {
404: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
405: my @args = ('type','tol','sig','format','unit','calc','samples');
406: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
407:
408: my $hideunit=
409: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
410: #no way to enter units, with radio buttons
1.167 albertel 411: if ($Apache::lonhomework::type eq 'exam' ||
412: lc($hideunit) eq "yes") {
413: delete($$args_ref{'unit'});
414: }
415: #sig fig don't make much sense either
416: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 417: &Apache::response::submitted('scantron') ||
418: $ignore_sig) &&
1.167 albertel 419: $tag eq 'numericalresponse') {
420: delete($$args_ref{'sig'});
421: }
422:
423: if ($tag eq 'formularesponse') {
1.199 www 424: if ($$args_ref{'samples'}) {
1.191 www 425: $$args_ref{'type'}='fml';
1.199 www 426: } else {
427: $$args_ref{'type'}='math';
428: }
1.167 albertel 429: } elsif ($tag eq 'numericalresponse') {
430: $$args_ref{'type'}='float';
1.233 raeburn 431: } elsif ($tag eq 'stringresponse') {
432: if ($$args_ref{'type'} eq '') {
433: $$args_ref{'type'} = 'ci';
434: }
1.167 albertel 435: }
1.233 raeburn 436:
1.194 albertel 437: &add_in_tag_answer($parstack,$safeeval);
438:
1.218 albertel 439: if (!%answer) {
440: &Apache::lonxml::error("No answers are defined");
441: }
442:
1.195 albertel 443: my (@final_awards,@final_msgs,@names);
1.181 albertel 444: foreach my $name (keys(%answer)) {
445: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 albertel 446:
447: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195 albertel 448: &setup_capa_response($args_ref,$response);
449: use Time::HiRes;
450: my $t0 = [Time::HiRes::gettimeofday()];
1.181 albertel 451: my ($result,@msgs) =
1.233 raeburn 452: &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195 albertel 453: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.243 raeburn 454:
1.181 albertel 455: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
456: my ($awards)=split(/:/,$result);
457: my @awards= split(/,/,$awards);
458: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
459: push(@final_awards,$ad);
460: push(@final_msgs,$msg);
461: push(@names,$name);
462: }
463: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
464: \@final_msgs,
465: \@names,1);
1.194 albertel 466: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
467: return($ad,$msg, $name);
468: }
469:
1.241 raeburn 470: sub stringresponse_gradechange {
471: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_;
472: return unless (ref($previous) eq 'HASH');
473: my ($prevarray,$prevaward);
474: my %typenames = (
475: cs => 'Case sensitive',
476: ci => 'Case insensitive',
477: );
478: if ($caller eq 'cs') {
479: return unless (ref($previous->{'version'}) eq 'ARRAY');
480: $prevarray = $previous->{'version'};
481: $prevaward = $previous->{'award'};
482: } elsif ($caller eq 'ci') {
483: return unless (ref($previous->{'versionci'}) eq 'ARRAY');
484: $prevarray = $previous->{'versionci'};
485: $prevaward = $previous->{'awardci'};
486: } else {
487: return;
488: }
489: my $count=0;
490: my %count_lookup;
491: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
492: my $prefix = $i.":resource.$part";
493: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
494: $count++;
495: $count_lookup{$i} = $count;
496: }
497: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
498: my %coursedesc = &Apache::lonnet::coursedescription($courseid);
499: my $cdom = $coursedesc{'domain'};
500: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')';
501: 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";
502: &Apache::lonnet::logthis($warning);
503: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'};
504: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail',
505: $cdom,$origmail);
506: if ($recipients ne '') {
507: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning);
508: }
509: return;
510: }
511:
1.194 albertel 512: sub add_in_tag_answer {
513: my ($parstack,$safeeval,$response_level) = @_;
514: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
515: $response_level);
516: &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213 albertel 517: if (@answer && $answer[0] =~ /\S/) {
1.195 albertel 518: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
519: 'answers' => [\@answer] };
1.194 albertel 520: }
1.167 albertel 521: }
522:
1.202 www 523: sub capa_formula_fix {
524: my ($expression)=@_;
525: return &Apache::response::implicit_multiplication($expression);
526: }
527:
1.89 albertel 528: sub end_numericalresponse {
529: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208 albertel 530:
531: &Apache::lonxml::deregister('Apache::caparesponse',
532: ('answer','answergroup','value','array','unit',
533: 'vector'));
534: pop(@Apache::lonxml::namespace);
535:
1.90 albertel 536: my $increment=1;
1.89 albertel 537: my $result = '';
538: if (!$Apache::lonxml::default_homework_loaded) {
539: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 540: }
1.167 albertel 541: my $partid = $Apache::inputtags::part;
542: my $id = $Apache::inputtags::response[-1];
1.125 albertel 543: my $tag;
1.190 albertel 544: my $safehole = new Safe::Hole;
1.168 albertel 545: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 546:
1.125 albertel 547: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 548: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 549: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 550: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 551: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 552: $increment=&Apache::response::scored_response($partid,$id);
553: } else {
554: my $response = &Apache::response::getresponse();
555: if ( $response =~ /[^\s]/) {
556: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
557: &Apache::lonxml::debug("submitted a $response<br>\n");
558: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
559:
1.162 albertel 560: if ( &Apache::response::submitted('scantron')) {
1.228 riegler 561: &add_in_tag_answer($parstack,$safeeval);
562: my ($values,$display)=&make_numerical_bubbles($partid,$id,
563: $target,$parstack,$safeeval);
564: $response=$values->[$response];
565: }
566: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 567: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
568: $tag,$parstack,
569: $safeeval);
1.167 albertel 570:
1.142 albertel 571: &Apache::lonxml::debug('ad is'.$ad);
572: if ($ad eq 'SIG_FAIL') {
573: my ($sig_u,$sig_l)=
574: &get_sigrange($Apache::inputtags::params{'sig'});
575: $msg=join(':',$msg,$sig_l,$sig_u);
576: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
577: $Apache::inputtags::params{'sig'});
578: }
1.95 albertel 579: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.237 raeburn 580: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
581: $ad eq 'EXACT_ANS')) {
582: if ($Apache::lonhomework::type eq 'survey') {
583: $ad='SUBMITTED';
584: } elsif ($Apache::lonhomework::type eq 'surveycred') {
585: $ad='SUBMITTED_CREDIT';
586: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
587: $ad='ANONYMOUS';
588: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
589: $ad='ANONYMOUS_CREDIT';
590: }
591: }
1.95 albertel 592: &Apache::response::handle_previous(\%previous,$ad);
593: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 594: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 595: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 596: $result='';
1.90 albertel 597: }
1.89 albertel 598: }
599: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 600: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 601: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
602: my $status = $Apache::inputtags::status['-1'];
603: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 604: # FIXME support multi dimensional numerical problems
605: # in exam bubbles
1.184 albertel 606: my ($bubble_values,$bubble_display)=
607: &make_numerical_bubbles($partid,$id,$target,$parstack,
608: $safeeval);
609: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 610: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
611: $safeeval);
612: my @alphabet=('A'..'Z');
613: if ($target eq 'web') {
1.125 albertel 614: if ($tag eq 'numericalresponse') {
1.89 albertel 615: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
616: $result.= '<table border="1"><tr>';
1.116 albertel 617: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 618: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 619: my $checked='';
1.158 albertel 620: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 621: $checked=" checked='on' ";
622: }
1.90 albertel 623: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 624: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 625: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 626: $bubble_display->[$ind].'</td>';
1.89 albertel 627: }
628: $result.='</tr></table>';
629: }
630: } elsif ($target eq 'tex') {
1.107 sakharuk 631: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 632: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
633: }
1.125 albertel 634: if ($tag eq 'numericalresponse') {
1.90 albertel 635: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 636: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 637: my $j=0;
638: my $cou=0;
1.239 foxr 639: $result.='\vskip 2mm \noindent ';
640: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
641:
1.89 albertel 642: for (my $i=0;$i<$number_of_tables;$i++) {
1.239 foxr 643: if ($i == 0) {
644: $result .= '\vskip -1mm ';
645: } else {
646: $result .= '\vskip 1mm ';
647: }
648: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1.90 albertel 649: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 650: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 651: }
652: $result.='}';
1.90 albertel 653: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 654: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 655: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
656: }
657: $cou += $table_range[$j];
658: $j++;
659: $result.='\\\\\end{tabular}\vskip 0 mm ';
660: }
661: } else {
1.188 albertel 662: $increment = &Apache::response::repetition();
1.89 albertel 663: }
664: }
665: }
1.228 riegler 666: if (($target eq 'web') && ($tag eq 'formularesponse')
1.231 riegler 667: && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.235 raeburn 668: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
669: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
1.228 riegler 670: }
671:
1.212 albertel 672: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89 albertel 673: } elsif ($target eq 'edit') {
674: $result.='</td></tr>'.&Apache::edit::end_table;
675: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 676: my $part_id="$partid.$id";
1.89 albertel 677: if ($target eq 'analyze') {
678: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 679: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 680: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 681: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 682: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 683: &Apache::response::check_if_computed($token,$parstack,
684: $safeeval,'answer');
1.89 albertel 685: }
1.125 albertel 686: if (scalar(@$tagstack)) {
1.140 albertel 687: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 688: }
1.194 albertel 689: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 690: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 691:
1.58 sakharuk 692: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 693:
694: if ($target eq 'answer') {
1.195 albertel 695: $result.=&Apache::response::answer_header($tag,undef,
696: scalar(keys(%answer)));
1.185 albertel 697: if ($tag eq 'numericalresponse'
698: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 699: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
700: $id,$target,$parstack,$safeeval);
701: $result.=&Apache::response::answer_part($tag,$correct);
702: }
1.89 albertel 703: }
1.194 albertel 704: foreach my $name (sort(keys(%answer))) {
705: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 706: if ($target eq 'analyze') {
707: foreach my $info ('answer','ans_high','ans_low','format') {
708: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
709: }
710: }
1.194 albertel 711: my ($sigline,$tolline);
1.195 albertel 712: if ($name ne $tag_internal_answer_name
713: || scalar(keys(%answer)) > 1) {
714: $result.=&Apache::response::answer_part($tag,$name);
715: }
1.194 albertel 716: for(my $i=0;$i<=$#answers;$i++) {
717: my $ans=$answers[$i];
718: my $fmt=$formats[0];
719: if (@formats && $#formats) {$fmt=$formats[$i];}
720: my ($sighigh,$siglow);
721: if ($Apache::inputtags::params{'sig'}) {
722: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
723: }
1.195 albertel 724: my @vector;
725: if (ref($ans)) {
726: @vector = @{ $ans };
727: } else {
728: @vector = ($ans);
1.194 albertel 729: }
1.200 albertel 730: my @all_answer_info;
731: foreach my $element (@vector) {
732: my ($high,$low);
733: if ($Apache::inputtags::params{'tol'}) {
734: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
735: }
736: if ($target eq 'answer') {
1.195 albertel 737: if ($fmt && $tag eq 'numericalresponse') {
738: $fmt=~s/e/E/g;
739: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
740: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
741: $element = &format_number($element,$fmt,$target,$safeeval);
742: #if ($high) {
743: # $high=&format_number($high,$fmt,$target,$safeeval);
744: # $low =&format_number($low,$fmt,$target,$safeeval);
745: #}
746: }
747: if ($high && $tag eq 'numericalresponse') {
1.224 www 748: $element.='; ['.$low.'; '.$high.']';
1.195 albertel 749: $tolline .= "[$low, $high]";
750: }
751: if (defined($sighigh) && $tag eq 'numericalresponse') {
752: if ($env{'form.answer_output_mode'} eq 'tex') {
1.224 www 753: $element.= "; Sig $siglow - $sighigh";
1.195 albertel 754: } else {
755: $element.= " Sig <i>$siglow - $sighigh</i>";
756: $sigline .= "[$siglow, $sighigh]";
757: }
1.194 albertel 758: }
1.195 albertel 759: push(@all_answer_info,$element);
1.200 albertel 760:
761: } elsif ($target eq 'analyze') {
762: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
763: if ($high) {
764: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
765: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
766: }
767: if ($fmt) {
768: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
769: }
1.194 albertel 770: }
1.200 albertel 771: }
772: if ($target eq 'answer') {
1.223 www 773: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194 albertel 774: }
775: }
776:
777: my @fmt_ans;
778: for(my $i=0;$i<=$#answers;$i++) {
779: my $ans=$answers[$i];
780: my $fmt=$formats[0];
781: if (@formats && $#formats) {$fmt=$formats[$i];}
1.195 albertel 782: foreach my $element (@$ans) {
783: if ($fmt && $tag eq 'numericalresponse') {
784: $fmt=~s/e/E/g;
785: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
786: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
787: $element = &format_number($element,$fmt,$target,
788: $safeeval);
789: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
790: }
1.194 albertel 791: }
1.195 albertel 792: push(@fmt_ans,join(',',@$ans));
1.194 albertel 793: }
1.195 albertel 794: my $response=\@fmt_ans;
795:
1.194 albertel 796: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
797: $id.'.turnoffunit');
798: if ($unit ne '' &&
799: ! ($Apache::lonhomework::type eq 'exam' ||
800: lc($hideunit) eq "yes") ) {
801: my $cleanunit=$unit;
802: $cleanunit=~s/\$\,//g;
1.195 albertel 803: foreach my $ans (@fmt_ans) {
804: $ans.=" $cleanunit";
805: }
1.60 sakharuk 806: }
1.194 albertel 807: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
808: $parstack,$safeeval);
809: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
810: my $error;
811: if ($tag eq 'formularesponse') {
1.236 bisitz 812: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
1.194 albertel 813: } else {
814: # answer failed check if it is sig figs that is failing
815: my ($ad,$msg)=&check_submission($response,$partid,$id,
816: $tag,$parstack,
817: $safeeval,1);
1.236 bisitz 818: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
1.194 albertel 819: if ($sigline ne '') {
1.236 bisitz 820: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
1.98 sakharuk 821: } else {
1.236 bisitz 822: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
1.98 sakharuk 823: }
824: }
1.194 albertel 825: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
826: &Apache::lonxml::error($error);
827: } else {
828: &Apache::lonxml::warning($error);
1.165 albertel 829: }
1.79 sakharuk 830: }
1.176 albertel 831:
1.194 albertel 832: if (defined($unit) and ($unit ne '') and
833: $tag eq 'numericalresponse') {
834: if ($target eq 'answer') {
835: if ($env{'form.answer_output_mode'} eq 'tex') {
836: $result.=&Apache::response::answer_part($tag,
837: " Unit: $unit ");
838: } else {
839: $result.=&Apache::response::answer_part($tag,
840: "Unit: <b>$unit</b>");
841: }
842: } elsif ($target eq 'analyze') {
843: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 844: }
1.167 albertel 845: }
1.194 albertel 846: if ($tag eq 'formularesponse' && $target eq 'answer') {
847: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
848: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 849: }
1.195 albertel 850: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 851: }
852: if ($target eq 'answer') {
1.125 albertel 853: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 854: }
1.69 sakharuk 855: }
1.121 sakharuk 856: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 857: $target eq 'tex' || $target eq 'analyze') {
1.221 raeburn 858: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
859: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
860: if ($type eq 'exam') {
861: $increment = &Apache::response::repetition();
862: }
863: }
1.220 albertel 864: &Apache::lonxml::increment_counter($increment,"$partid.$id");
865: if ($target eq 'analyze') {
866: &Apache::lonhomework::set_bubble_lines();
867: }
1.90 albertel 868: }
1.196 albertel 869: &Apache::response::end_response();
1.89 albertel 870: return $result;
1.90 albertel 871: }
872:
1.212 albertel 873: sub format_prior_response_numerical {
874: my ($mode,$answer) = @_;
1.213 albertel 875: if (ref($answer)) {
876: my $result = '<table class="LC_prior_numerical"><tr>';
877: foreach my $element (@{ $answer }) {
878: $result.= '<td><span class="LC_prior_numerical">'.
879: &HTML::Entities::encode($element,'"<>&').'</span></td>';
880: }
881: $result.='</tr></table>';
882: return $result;
883: }
1.212 albertel 884: return '<span class="LC_prior_numerical">'.
885: &HTML::Entities::encode($answer,'"<>&').'</span>';
886:
1.209 albertel 887: }
888:
1.196 albertel 889: sub check_for_answer_errors {
890: my ($parstack,$safeeval) = @_;
891: &add_in_tag_answer($parstack,$safeeval);
892: my %counts;
893: foreach my $name (keys(%answer)) {
894: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
895: }
896: if (scalar(keys(%counts)) > 1) {
897: my $counts = join(' ',map {
898: my $count = $_;
899: &mt("Answers [_1] had [_2] components.",
900: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
901: $count);
902: } (sort(keys(%counts))));
903: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
904: }
905: my $expected_number_of_inputs = (keys(%counts))[0];
1.214 albertel 906: if ( $expected_number_of_inputs > 0
907: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196 albertel 908: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
909: $expected_number_of_inputs,
910: scalar(@Apache::inputtags::inputlist)));
911: }
912: }
913:
1.90 albertel 914: sub get_table_sizes {
1.128 sakharuk 915: my ($number_of_bubbles,$rbubble_values)=@_;
916: my $scale=2; #mm for one digit
917: my $cell_width=0;
918: foreach my $member (@$rbubble_values) {
919: my $cell_width_real=0;
1.160 albertel 920: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 921: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
922: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 923: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 924: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 925: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 926: } else {
1.138 sakharuk 927: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 928: }
929: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 930: }
1.132 sakharuk 931: $cell_width+=8;
1.130 sakharuk 932: my $textwidth;
1.166 albertel 933: if ($env{'form.textwidth'} ne '') {
934: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 935: $textwidth=$1.'.'.$2;
1.130 sakharuk 936: } else {
1.166 albertel 937: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 938: $textwidth=$1.'.'.$2;
1.130 sakharuk 939: }
1.128 sakharuk 940: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 941: if ($bubbles_per_line > $number_of_bubbles) {
942: $bubbles_per_line=$number_of_bubbles;
1.216 albertel 943: } elsif (($bubbles_per_line > $number_of_bubbles/2)
944: && ($number_of_bubbles % 2==0)) {
945: $bubbles_per_line=$number_of_bubbles/2;
946: }
947: if ($bubbles_per_line < 1) {
948: $bubbles_per_line=1;
949: }
1.128 sakharuk 950: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 951: my @table_range = ();
1.128 sakharuk 952: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
953: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 954: $number_of_tables++;
1.128 sakharuk 955: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 956: }
1.128 sakharuk 957: $cell_width-=8;
1.136 sakharuk 958: $cell_width=$cell_width*3/4;
1.128 sakharuk 959: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 960: }
961:
962: sub format_number {
1.153 albertel 963: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 964: my $ans;
1.153 albertel 965: if ($format eq '') {
1.90 albertel 966: #What is the number? (integer,decimal,floating point)
1.187 albertel 967: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 968: $format = '3e';
1.90 albertel 969: } elsif ($number=~/^(\d*)\.(\d*)$/) {
970: $format = '4f';
971: } elsif ($number=~/^(\d*)$/) {
972: $format = 'd';
973: }
974: }
1.156 albertel 975: if (!$Apache::lonxml::default_homework_loaded) {
976: &Apache::lonxml::default_homework_load($safeeval);
977: }
1.153 albertel 978: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 979: return $ans;
980: }
981:
982: sub make_numerical_bubbles {
1.184 albertel 983: my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215 albertel 984:
985: if (!%answer) {
986: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
987: return ([],[],undef);
988: }
1.184 albertel 989:
990: my $number_of_bubbles =
991: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
992:
993: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 994: my $name = (exists($answer{$tag_internal_answer_name})
995: ? $tag_internal_answer_name
996: : (sort(keys(%answer)))[0]);
997:
998: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
999: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
1000: }
1001: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
1002: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
1003: }
1004:
1005: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 1006: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
1007: $safeeval);
1008: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1009:
1.158 albertel 1010: my @bubble_values=();
1.184 albertel 1011: my @alphabet=('A'..'Z');
1012:
1013: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 1014: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 1015: if (@incorrect) {
1016: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
1017: if (defined($incorrect[0]) &&
1018: scalar(@incorrect)+1 >= $number_of_bubbles) {
1019: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 1020: &Apache::response::setrandomnumber();
1.184 albertel 1021: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 1022: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
1023: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 1024: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 1025: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1026:
1027: my $correct;
1028: for(my $i=0; $i<=$#bubble_values;$i++) {
1029: if ($bubble_values[$i] eq $answer) {
1030: $correct = $alphabet[$i];
1031: last;
1032: }
1033: }
1034:
1.134 albertel 1035: if (defined($format) && $format ne '') {
1.158 albertel 1036: my @bubble_display;
1.137 albertel 1037: foreach my $value (@bubble_values) {
1.158 albertel 1038: push(@bubble_display,
1039: &format_number($value,$format,$target,$safeeval));
1.134 albertel 1040: }
1.184 albertel 1041: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 1042: } else {
1.184 albertel 1043: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 1044: }
1.117 albertel 1045: }
1.184 albertel 1046: if (defined($incorrect[0]) &&
1047: scalar(@incorrect)+1 < $number_of_bubbles) {
1048: &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 1049: }
1.117 albertel 1050: }
1.90 albertel 1051: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 1052: my @powers = (1..$number_of_bubbles);
1.90 albertel 1053: &Apache::response::setrandomnumber();
1054: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
1055: my $power = $powers[$ind];
1056: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
1057: my $factor = $factors[$ind];
1.158 albertel 1058: my @bubble_display;
1.222 www 1059: my $answerfactor=$answer;
1060: if ($answer==0) {
1061: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1062: &Math::Random::random_uniform_integer(1,1,10);
1063: }
1.90 albertel 1064: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222 www 1065: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 1066: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 1067: $format,$target,$safeeval);
1.90 albertel 1068: }
1.184 albertel 1069: my $correct = $alphabet[$number_of_bubbles-$power];
1.222 www 1070: if ($answer==0) {
1071: $correct='A';
1072: $bubble_values[0]=0;
1073: $bubble_display[0] = &format_number($bubble_values[0],
1074: $format,$target,$safeeval);
1075: }
1.119 albertel 1076: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1077: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 1078: }
1079:
1080: sub get_tolrange {
1.89 albertel 1081: my ($ans,$tol)=@_;
1082: my ($high,$low);
1083: if ($tol =~ /%$/) {
1084: chop($tol);
1085: my $change=$ans*($tol/100.0);
1086: $high=$ans+$change;
1087: $low=$ans-$change;
1088: } else {
1089: $high=$ans+$tol;
1090: $low=$ans-$tol;
1091: }
1092: return ($high,$low);
1.52 albertel 1093: }
1094:
1095: sub get_sigrange {
1.89 albertel 1096: my ($sig)=@_;
1.195 albertel 1097: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 1098: my $courseid=$env{'request.course.id'};
1.219 albertel 1099: if ($env{'request.state'} ne 'construct'
1100: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 1101: return (15,0);
1102: }
1.89 albertel 1103: my $sig_lbound;
1104: my $sig_ubound;
1105: if ($sig eq '') {
1106: $sig_lbound = 0; #SIG_LB_DEFAULT
1107: $sig_ubound =15; #SIG_UB_DEFAULT
1108: } else {
1109: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 1110: if (!defined($sig_lbound)) {
1.89 albertel 1111: $sig_lbound = 0; #SIG_LB_DEFAULT
1112: $sig_ubound =15; #SIG_UB_DEFAULT
1113: }
1.145 albertel 1114: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 1115: }
1116: if (($sig_ubound<$sig_lbound) ||
1117: ($sig_lbound > 15) ||
1118: ($sig =~/(\+|-)/ ) ) {
1119: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 1120: if ($env{'request.state'} eq 'construct') {
1.133 albertel 1121: $errormsg.=
1122: &Apache::loncommon::help_open_topic('Significant_Figures');
1123: }
1124: &Apache::lonxml::error($errormsg);
1.52 albertel 1125: }
1.89 albertel 1126: return ($sig_ubound,$sig_lbound);
1.34 albertel 1127: }
1128:
1.212 albertel 1129: sub format_prior_response_string {
1130: my ($mode,$answer) =@_;
1131: return '<span class="LC_prior_string">'.
1132: &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211 albertel 1133: }
1134:
1.34 albertel 1135: sub start_stringresponse {
1.89 albertel 1136: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1137: my $result;
1.122 albertel 1138: my $id = &Apache::response::start_response($parstack,$safeeval);
1.246 ! raeburn 1139: undef(%answer);
1.89 albertel 1140: if ($target eq 'meta') {
1141: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 1142: } elsif ($target eq 'edit') {
1143: $result.=&Apache::edit::tag_start($target,$token);
1144: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1145: $result.=&Apache::edit::select_arg('Type:','type',
1146: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1147: ['mc','Case Insensitive, Any Order'],
1148: ['re','Regular Expression']],$token);
1.152 albertel 1149: $result.=&Apache::edit::text_arg('String to display for answer:',
1150: 'answerdisplay',$token);
1.122 albertel 1151: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1152: } elsif ($target eq 'modified') {
1.146 albertel 1153: my $constructtag;
1154: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1155: $safeeval,'answer',
1156: 'type','answerdisplay');
1157: if ($constructtag) {
1158: $result = &Apache::edit::rebuild_tag($token);
1159: $result.=&Apache::edit::handle_insert();
1160: }
1161: } elsif ($target eq 'web') {
1162: if ( &Apache::response::show_answer() ) {
1.152 albertel 1163: my $answer=
1164: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1165: if (!defined $answer || $answer eq '') {
1166: $answer=
1167: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1168: }
1.195 albertel 1169: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 1170: }
1.122 albertel 1171: } elsif ($target eq 'answer' || $target eq 'grade') {
1172: &Apache::response::reset_params();
1.89 albertel 1173: }
1174: return $result;
1.34 albertel 1175: }
1176:
1177: sub end_stringresponse {
1.122 albertel 1178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 1179:
1.122 albertel 1180: my $result = '';
1181: my $part=$Apache::inputtags::part;
1182: my $id=$Apache::inputtags::response[-1];
1183: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1184: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 1185: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 1186: &Apache::lonxml::debug("current $answer ".$token->[2]);
1187: if (!$Apache::lonxml::default_homework_loaded) {
1188: &Apache::lonxml::default_homework_load($safeeval);
1189: }
1.162 albertel 1190: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 1191: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1192: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1193: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 1194: &Apache::response::submitted('scantron')) {
1.189 albertel 1195: &Apache::response::scored_response($part,$id);
1196:
1.122 albertel 1197: } else {
1198: my $response = &Apache::response::getresponse();
1199: if ( $response =~ /[^\s]/) {
1200: my %previous = &Apache::response::check_for_previous($response,
1.241 raeburn 1201: $part,$id,
1202: undef,$type);
1.122 albertel 1203: &Apache::lonxml::debug("submitted a $response<br>\n");
1204: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1205: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1206: $response;
1.142 albertel 1207: my ($ad,$msg);
1.122 albertel 1208: if ($type eq 're' ) {
1209: # if the RE wasn't in a var it likely got munged,
1210: # thus grab it from the var directly
1211: # my $testans=$token->[2]->{'answer'};
1212: # if ($testans !~ m/^\s*\$/) {
1213: # $answer=$token->[2]->{'answer'};
1214: # }
1.143 albertel 1215: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179 albertel 1216: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 1217: &Apache::lonxml::debug("current $response");
1218: &Apache::lonxml::debug("current $answer");
1219: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1220: } else {
1.195 albertel 1221: my @args = ('type');
1222: my $args_ref = &setup_capa_args($safeeval,$parstack,
1223: \@args,$response);
1.233 raeburn 1224: if ($$args_ref{'type'} eq '') {
1225: $$args_ref{'type'} = 'ci';
1226: }
1.195 albertel 1227: &add_in_tag_answer($parstack,$safeeval);
1.243 raeburn 1228: my (@final_awards,@final_msgs,@names,%ansstring);
1.195 albertel 1229: foreach my $name (keys(%answer)) {
1230: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1231: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.233 raeburn 1232: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.241 raeburn 1233: if ($$args_ref{'type'} =~ /^c[si]$/) {
1.243 raeburn 1234: $ansstring{$name} = pop(@msgs);
1.242 raeburn 1235: my $control_chars_removed = pop(@msgs);
1.241 raeburn 1236: my $error = pop(@msgs);
1.242 raeburn 1237: if (($error ne '') ||
1.245 raeburn 1238: ($control_chars_removed)) {
1.243 raeburn 1239: my ($symb,$courseid,$sdomain,$sname) =
1.241 raeburn 1240: &Apache::lonnet::whichuser();
1.245 raeburn 1241: if ($control_chars_removed) {
1.242 raeburn 1242: my $showresponse = $response;
1243: if ($response =~ /[\000-\037]/) {
1244: $response =~ s/[\000-\037]//g;
1245: }
1246: if ($showresponse =~ /[\r\n\f]/) {
1247: my @lines = split(/[\r\n\f]+/,$showresponse);
1248: $showresponse = join('\\n',@lines);
1249: }
1.243 raeburn 1250: &Apache::lonnet::logthis("Stringresponse grading: control characters stripped from submission ".$showresponse." for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1251: $Apache::lonhomework::results{"resource.$part.$id.submission"} = $response;
1252: }
1253: if ($error ne '') {
1.243 raeburn 1254: &Apache::lonnet::logthis("Stringresponse grading error: $error for $sname:$sdomain in $courseid for part: $part response: $id and symb: $symb");
1.242 raeburn 1255: }
1.241 raeburn 1256: }
1257: }
1.195 albertel 1258: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1259: my ($awards)=split(/:/,$result);
1260: my (@awards) = split(/,/,$awards);
1261: ($ad,$msg) =
1262: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1263: push(@final_awards,$ad);
1264: push(@final_msgs,$msg);
1265: push(@names,$name);
1266: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1267: }
1.240 raeburn 1268: ($ad, $msg, my $name) =
1.195 albertel 1269: &Apache::inputtags::finalizeawards(\@final_awards,
1270: \@final_msgs,
1271: \@names,1);
1.243 raeburn 1272: if (keys(%ansstring) > 0) {
1273: $Apache::lonhomework::results{"resource.$part.$id.answerstring"} = &Apache::lonnet::hash2str(%ansstring);
1274: }
1.122 albertel 1275: }
1.237 raeburn 1276: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1277: $ad eq 'EXACT_ANS')) {
1278: if ($Apache::lonhomework::type eq 'survey') {
1279: $ad='SUBMITTED';
1280: } elsif ($Apache::lonhomework::type eq 'surveycred') {
1281: $ad='SUBMITTED_CREDIT';
1282: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
1283: $ad='ANONYMOUS';
1284: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
1285: $ad='ANONYMOUS_CREDIT';
1286: }
1287: }
1.244 raeburn 1288: unless (($env{'request.state'} eq 'construct') ||
1289: ($Apache::lonhomework::type eq 'randomizetry')) {
1290: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' || $ad eq 'EXACT_ANS')) {
1291: if ($previous{'used'}) {
1292: if ($ad ne $previous{'award'}) {
1293: if (($previous{'award'} eq 'INCORRECT' ||
1294: $previous{'award'} eq 'APPROX_ANS' ||
1295: $previous{'award'} eq 'EXACT_ANS')) {
1296: &stringresponse_gradechange($part,$id,\%previous,
1297: 'cs',$response,$ad,$type);
1298: }
1299: }
1300: } elsif ($previous{'usedci'}) {
1301: if ($ad ne $previous{'awardci'}) {
1302: if (($previous{'awardci'} eq 'INCORRECT' ||
1303: $previous{'awardci'} eq 'APPROX_ANS' ||
1304: $previous{'awardci'} eq 'EXACT_ANS')) {
1305: &stringresponse_gradechange($part,$id,\%previous,
1306: 'ci',$response,$ad,$type);
1307: }
1308: }
1.241 raeburn 1309: }
1310: }
1311: }
1.122 albertel 1312: &Apache::response::handle_previous(\%previous,$ad);
1313: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1314: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1315: }
1316: }
1317: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1318: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1319: if ($target eq 'analyze') {
1320: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1321: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1322: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1323: 'answer');
1.122 albertel 1324: }
1.140 albertel 1325: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1326: if ($target eq 'answer') {
1.125 albertel 1327: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1328: }
1.200 albertel 1329: foreach my $name (keys(%answer)) {
1330: my @answers = @{ $answer{$name}{'answers'} };
1331: for (my $i=0;$i<=$#answers;$i++) {
1332: my $answer_part = $answers[$i];
1333: foreach my $element (@{$answer_part}) {
1334: if ($target eq 'answer') {
1335: $result.=&Apache::response::answer_part('stringresponse',
1336: $element);
1.243 raeburn 1337: if ($env{'form.grade_retrieveanswers'}) {
1338: $env{'form.grade_answers.resource.'.$part.'.'.$id} = $element;
1339: }
1.200 albertel 1340: } elsif ($target eq 'analyze') {
1341: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1342: $element);
1343: }
1344: }
1345: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1346: $result.=&Apache::response::answer_part('stringresponse',
1347: $answerdisplay);
1348: }
1.122 albertel 1349: }
1.200 albertel 1350: }
1.122 albertel 1351: my $string='Case Insensitive';
1352: if ($type eq 'mc') {
1353: $string='Multiple Choice';
1354: } elsif ($type eq 'cs') {
1355: $string='Case Sensitive';
1356: } elsif ($type eq 'ci') {
1357: $string='Case Insensitive';
1358: } elsif ($type eq 're') {
1359: $string='Regular Expression';
1360: }
1361: if ($target eq 'answer') {
1.166 albertel 1362: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1363: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1364: "$string");
1365: } else {
1.125 albertel 1366: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1367: "<b>$string</b>");
1368: }
1369: } elsif ($target eq 'analyze') {
1370: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1371: $type);
1372: }
1373: if ($target eq 'answer') {
1.125 albertel 1374: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1375: }
1376: } elsif ($target eq 'edit') {
1377: $result.='</td></tr>'.&Apache::edit::end_table;
1.211 albertel 1378: } elsif ($target eq 'web' || $target eq 'tex') {
1.212 albertel 1379: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122 albertel 1380: }
1381: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1382: $target eq 'tex' || $target eq 'analyze') {
1.220 albertel 1383: &Apache::lonxml::increment_counter(&Apache::response::repetition(),
1384: "$part.$id");
1385: if ($target eq 'analyze') {
1386: &Apache::lonhomework::set_bubble_lines();
1387: }
1.122 albertel 1388: }
1389: &Apache::response::end_response;
1390: return $result;
1.44 albertel 1391: }
1392:
1393: sub start_formularesponse {
1.89 albertel 1394: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1395: my $result;
1396: if ($target eq 'meta') {
1.104 bowersj2 1397: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1398: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1399: &Apache::response::end_response();
1.89 albertel 1400: } else {
1401: $result.=&start_numericalresponse(@_);
1402: }
1403: return $result;
1.44 albertel 1404: }
1405:
1406: sub end_formularesponse {
1.89 albertel 1407: return end_numericalresponse(@_);
1.3 albertel 1408: }
1409:
1.1 albertel 1410: 1;
1.3 albertel 1411: __END__
1.89 albertel 1412:
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