Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.241
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.241 ! raeburn 4: # $Id: caparesponse.pm,v 1.240 2010/10/14 04:02:07 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));
1.181 albertel 454: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
455: my ($awards)=split(/:/,$result);
456: my @awards= split(/,/,$awards);
457: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
458: push(@final_awards,$ad);
459: push(@final_msgs,$msg);
460: push(@names,$name);
461: }
462: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
463: \@final_msgs,
464: \@names,1);
1.194 albertel 465: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
466: return($ad,$msg, $name);
467: }
468:
1.241 ! raeburn 469: sub stringresponse_gradechange {
! 470: my ($part,$id,$previous,$caller,$response,$ad,$type) = @_;
! 471: return unless (ref($previous) eq 'HASH');
! 472: my ($prevarray,$prevaward);
! 473: my %typenames = (
! 474: cs => 'Case sensitive',
! 475: ci => 'Case insensitive',
! 476: );
! 477: if ($caller eq 'cs') {
! 478: return unless (ref($previous->{'version'}) eq 'ARRAY');
! 479: $prevarray = $previous->{'version'};
! 480: $prevaward = $previous->{'award'};
! 481: } elsif ($caller eq 'ci') {
! 482: return unless (ref($previous->{'versionci'}) eq 'ARRAY');
! 483: $prevarray = $previous->{'versionci'};
! 484: $prevaward = $previous->{'awardci'};
! 485: } else {
! 486: return;
! 487: }
! 488: my $count=0;
! 489: my %count_lookup;
! 490: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
! 491: my $prefix = $i.":resource.$part";
! 492: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
! 493: $count++;
! 494: $count_lookup{$i} = $count;
! 495: }
! 496: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
! 497: my %coursedesc = &Apache::lonnet::coursedescription($courseid);
! 498: my $cdom = $coursedesc{'domain'};
! 499: my $versions = ' (submissions: '.join(', ',map {$count_lookup{$_} } @{$prevarray}).')';
! 500: 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";
! 501: &Apache::lonnet::logthis($warning);
! 502: my $origmail = $Apache::lonnet::perlvar{'lonAdmEMail'};
! 503: my $recipients = &Apache::loncommon::build_recipient_list(undef,'errormail',
! 504: $cdom,$origmail);
! 505: if ($recipients ne '') {
! 506: &Apache::lonmsg::sendemail($recipients,'Stringresponse Grading Discrepancy',$warning);
! 507: }
! 508: return;
! 509: }
! 510:
1.194 albertel 511: sub add_in_tag_answer {
512: my ($parstack,$safeeval,$response_level) = @_;
513: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
514: $response_level);
515: &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213 albertel 516: if (@answer && $answer[0] =~ /\S/) {
1.195 albertel 517: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
518: 'answers' => [\@answer] };
1.194 albertel 519: }
1.167 albertel 520: }
521:
1.202 www 522: sub capa_formula_fix {
523: my ($expression)=@_;
524: return &Apache::response::implicit_multiplication($expression);
525: }
526:
1.89 albertel 527: sub end_numericalresponse {
528: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208 albertel 529:
530: &Apache::lonxml::deregister('Apache::caparesponse',
531: ('answer','answergroup','value','array','unit',
532: 'vector'));
533: pop(@Apache::lonxml::namespace);
534:
1.90 albertel 535: my $increment=1;
1.89 albertel 536: my $result = '';
537: if (!$Apache::lonxml::default_homework_loaded) {
538: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 539: }
1.167 albertel 540: my $partid = $Apache::inputtags::part;
541: my $id = $Apache::inputtags::response[-1];
1.125 albertel 542: my $tag;
1.190 albertel 543: my $safehole = new Safe::Hole;
1.168 albertel 544: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 545:
1.125 albertel 546: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 547: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 548: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 549: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 550: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 551: $increment=&Apache::response::scored_response($partid,$id);
552: } else {
553: my $response = &Apache::response::getresponse();
554: if ( $response =~ /[^\s]/) {
555: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
556: &Apache::lonxml::debug("submitted a $response<br>\n");
557: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
558:
1.162 albertel 559: if ( &Apache::response::submitted('scantron')) {
1.228 riegler 560: &add_in_tag_answer($parstack,$safeeval);
561: my ($values,$display)=&make_numerical_bubbles($partid,$id,
562: $target,$parstack,$safeeval);
563: $response=$values->[$response];
564: }
565: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 566: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
567: $tag,$parstack,
568: $safeeval);
1.167 albertel 569:
1.142 albertel 570: &Apache::lonxml::debug('ad is'.$ad);
571: if ($ad eq 'SIG_FAIL') {
572: my ($sig_u,$sig_l)=
573: &get_sigrange($Apache::inputtags::params{'sig'});
574: $msg=join(':',$msg,$sig_l,$sig_u);
575: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
576: $Apache::inputtags::params{'sig'});
577: }
1.95 albertel 578: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.237 raeburn 579: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
580: $ad eq 'EXACT_ANS')) {
581: if ($Apache::lonhomework::type eq 'survey') {
582: $ad='SUBMITTED';
583: } elsif ($Apache::lonhomework::type eq 'surveycred') {
584: $ad='SUBMITTED_CREDIT';
585: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
586: $ad='ANONYMOUS';
587: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
588: $ad='ANONYMOUS_CREDIT';
589: }
590: }
1.95 albertel 591: &Apache::response::handle_previous(\%previous,$ad);
592: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 593: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 594: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 595: $result='';
1.90 albertel 596: }
1.89 albertel 597: }
598: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 599: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 600: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
601: my $status = $Apache::inputtags::status['-1'];
602: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 603: # FIXME support multi dimensional numerical problems
604: # in exam bubbles
1.184 albertel 605: my ($bubble_values,$bubble_display)=
606: &make_numerical_bubbles($partid,$id,$target,$parstack,
607: $safeeval);
608: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 609: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
610: $safeeval);
611: my @alphabet=('A'..'Z');
612: if ($target eq 'web') {
1.125 albertel 613: if ($tag eq 'numericalresponse') {
1.89 albertel 614: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
615: $result.= '<table border="1"><tr>';
1.116 albertel 616: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 617: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 618: my $checked='';
1.158 albertel 619: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 620: $checked=" checked='on' ";
621: }
1.90 albertel 622: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 623: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 624: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 625: $bubble_display->[$ind].'</td>';
1.89 albertel 626: }
627: $result.='</tr></table>';
628: }
629: } elsif ($target eq 'tex') {
1.107 sakharuk 630: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 631: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
632: }
1.125 albertel 633: if ($tag eq 'numericalresponse') {
1.90 albertel 634: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 635: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 636: my $j=0;
637: my $cou=0;
1.239 foxr 638: $result.='\vskip 2mm \noindent ';
639: $result .= '\textbf{'.$Apache::lonxml::counter.'.} \vskip -3mm ';
640:
1.89 albertel 641: for (my $i=0;$i<$number_of_tables;$i++) {
1.239 foxr 642: if ($i == 0) {
643: $result .= '\vskip -1mm ';
644: } else {
645: $result .= '\vskip 1mm ';
646: }
647: $result.='\noindent \setlength{\tabcolsep}{2 mm}\hskip 2pc\begin{tabular}{';
1.90 albertel 648: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 649: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 650: }
651: $result.='}';
1.90 albertel 652: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 653: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 654: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
655: }
656: $cou += $table_range[$j];
657: $j++;
658: $result.='\\\\\end{tabular}\vskip 0 mm ';
659: }
660: } else {
1.188 albertel 661: $increment = &Apache::response::repetition();
1.89 albertel 662: }
663: }
664: }
1.228 riegler 665: if (($target eq 'web') && ($tag eq 'formularesponse')
1.231 riegler 666: && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
1.235 raeburn 667: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
668: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
1.228 riegler 669: }
670:
1.212 albertel 671: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89 albertel 672: } elsif ($target eq 'edit') {
673: $result.='</td></tr>'.&Apache::edit::end_table;
674: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 675: my $part_id="$partid.$id";
1.89 albertel 676: if ($target eq 'analyze') {
677: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 678: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 679: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 680: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 681: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 682: &Apache::response::check_if_computed($token,$parstack,
683: $safeeval,'answer');
1.89 albertel 684: }
1.125 albertel 685: if (scalar(@$tagstack)) {
1.140 albertel 686: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 687: }
1.194 albertel 688: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 689: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 690:
1.58 sakharuk 691: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 692:
693: if ($target eq 'answer') {
1.195 albertel 694: $result.=&Apache::response::answer_header($tag,undef,
695: scalar(keys(%answer)));
1.185 albertel 696: if ($tag eq 'numericalresponse'
697: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 698: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
699: $id,$target,$parstack,$safeeval);
700: $result.=&Apache::response::answer_part($tag,$correct);
701: }
1.89 albertel 702: }
1.194 albertel 703: foreach my $name (sort(keys(%answer))) {
704: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 705: if ($target eq 'analyze') {
706: foreach my $info ('answer','ans_high','ans_low','format') {
707: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
708: }
709: }
1.194 albertel 710: my ($sigline,$tolline);
1.195 albertel 711: if ($name ne $tag_internal_answer_name
712: || scalar(keys(%answer)) > 1) {
713: $result.=&Apache::response::answer_part($tag,$name);
714: }
1.194 albertel 715: for(my $i=0;$i<=$#answers;$i++) {
716: my $ans=$answers[$i];
717: my $fmt=$formats[0];
718: if (@formats && $#formats) {$fmt=$formats[$i];}
719: my ($sighigh,$siglow);
720: if ($Apache::inputtags::params{'sig'}) {
721: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
722: }
1.195 albertel 723: my @vector;
724: if (ref($ans)) {
725: @vector = @{ $ans };
726: } else {
727: @vector = ($ans);
1.194 albertel 728: }
1.200 albertel 729: my @all_answer_info;
730: foreach my $element (@vector) {
731: my ($high,$low);
732: if ($Apache::inputtags::params{'tol'}) {
733: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
734: }
735: if ($target eq 'answer') {
1.195 albertel 736: if ($fmt && $tag eq 'numericalresponse') {
737: $fmt=~s/e/E/g;
738: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
739: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
740: $element = &format_number($element,$fmt,$target,$safeeval);
741: #if ($high) {
742: # $high=&format_number($high,$fmt,$target,$safeeval);
743: # $low =&format_number($low,$fmt,$target,$safeeval);
744: #}
745: }
746: if ($high && $tag eq 'numericalresponse') {
1.224 www 747: $element.='; ['.$low.'; '.$high.']';
1.195 albertel 748: $tolline .= "[$low, $high]";
749: }
750: if (defined($sighigh) && $tag eq 'numericalresponse') {
751: if ($env{'form.answer_output_mode'} eq 'tex') {
1.224 www 752: $element.= "; Sig $siglow - $sighigh";
1.195 albertel 753: } else {
754: $element.= " Sig <i>$siglow - $sighigh</i>";
755: $sigline .= "[$siglow, $sighigh]";
756: }
1.194 albertel 757: }
1.195 albertel 758: push(@all_answer_info,$element);
1.200 albertel 759:
760: } elsif ($target eq 'analyze') {
761: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
762: if ($high) {
763: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
764: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
765: }
766: if ($fmt) {
767: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
768: }
1.194 albertel 769: }
1.200 albertel 770: }
771: if ($target eq 'answer') {
1.223 www 772: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194 albertel 773: }
774: }
775:
776: my @fmt_ans;
777: for(my $i=0;$i<=$#answers;$i++) {
778: my $ans=$answers[$i];
779: my $fmt=$formats[0];
780: if (@formats && $#formats) {$fmt=$formats[$i];}
1.195 albertel 781: foreach my $element (@$ans) {
782: if ($fmt && $tag eq 'numericalresponse') {
783: $fmt=~s/e/E/g;
784: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
785: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
786: $element = &format_number($element,$fmt,$target,
787: $safeeval);
788: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
789: }
1.194 albertel 790: }
1.195 albertel 791: push(@fmt_ans,join(',',@$ans));
1.194 albertel 792: }
1.195 albertel 793: my $response=\@fmt_ans;
794:
1.194 albertel 795: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
796: $id.'.turnoffunit');
797: if ($unit ne '' &&
798: ! ($Apache::lonhomework::type eq 'exam' ||
799: lc($hideunit) eq "yes") ) {
800: my $cleanunit=$unit;
801: $cleanunit=~s/\$\,//g;
1.195 albertel 802: foreach my $ans (@fmt_ans) {
803: $ans.=" $cleanunit";
804: }
1.60 sakharuk 805: }
1.194 albertel 806: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
807: $parstack,$safeeval);
808: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
809: my $error;
810: if ($tag eq 'formularesponse') {
1.236 bisitz 811: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"');
1.194 albertel 812: } else {
813: # answer failed check if it is sig figs that is failing
814: my ($ad,$msg)=&check_submission($response,$partid,$id,
815: $tag,$parstack,
816: $safeeval,1);
1.236 bisitz 817: $error=&mt("Computer's answer is incorrect ([_1]).",'"'.join(', ',@$response).'"').' ';
1.194 albertel 818: if ($sigline ne '') {
1.236 bisitz 819: $error.=&mt('It is likely that the tolerance range [_1] or significant figures [_2] need to be adjusted.',$tolline,$sigline);
1.98 sakharuk 820: } else {
1.236 bisitz 821: $error.=&mt('It is likely that the tolerance range [_1] needs to be adjusted.',$tolline);
1.98 sakharuk 822: }
823: }
1.194 albertel 824: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
825: &Apache::lonxml::error($error);
826: } else {
827: &Apache::lonxml::warning($error);
1.165 albertel 828: }
1.79 sakharuk 829: }
1.176 albertel 830:
1.194 albertel 831: if (defined($unit) and ($unit ne '') and
832: $tag eq 'numericalresponse') {
833: if ($target eq 'answer') {
834: if ($env{'form.answer_output_mode'} eq 'tex') {
835: $result.=&Apache::response::answer_part($tag,
836: " Unit: $unit ");
837: } else {
838: $result.=&Apache::response::answer_part($tag,
839: "Unit: <b>$unit</b>");
840: }
841: } elsif ($target eq 'analyze') {
842: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 843: }
1.167 albertel 844: }
1.194 albertel 845: if ($tag eq 'formularesponse' && $target eq 'answer') {
846: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
847: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 848: }
1.195 albertel 849: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 850: }
851: if ($target eq 'answer') {
1.125 albertel 852: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 853: }
1.69 sakharuk 854: }
1.121 sakharuk 855: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 856: $target eq 'tex' || $target eq 'analyze') {
1.221 raeburn 857: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
858: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
859: if ($type eq 'exam') {
860: $increment = &Apache::response::repetition();
861: }
862: }
1.220 albertel 863: &Apache::lonxml::increment_counter($increment,"$partid.$id");
864: if ($target eq 'analyze') {
865: &Apache::lonhomework::set_bubble_lines();
866: }
1.90 albertel 867: }
1.196 albertel 868: &Apache::response::end_response();
1.89 albertel 869: return $result;
1.90 albertel 870: }
871:
1.212 albertel 872: sub format_prior_response_numerical {
873: my ($mode,$answer) = @_;
1.213 albertel 874: if (ref($answer)) {
875: my $result = '<table class="LC_prior_numerical"><tr>';
876: foreach my $element (@{ $answer }) {
877: $result.= '<td><span class="LC_prior_numerical">'.
878: &HTML::Entities::encode($element,'"<>&').'</span></td>';
879: }
880: $result.='</tr></table>';
881: return $result;
882: }
1.212 albertel 883: return '<span class="LC_prior_numerical">'.
884: &HTML::Entities::encode($answer,'"<>&').'</span>';
885:
1.209 albertel 886: }
887:
1.196 albertel 888: sub check_for_answer_errors {
889: my ($parstack,$safeeval) = @_;
890: &add_in_tag_answer($parstack,$safeeval);
891: my %counts;
892: foreach my $name (keys(%answer)) {
893: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
894: }
895: if (scalar(keys(%counts)) > 1) {
896: my $counts = join(' ',map {
897: my $count = $_;
898: &mt("Answers [_1] had [_2] components.",
899: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
900: $count);
901: } (sort(keys(%counts))));
902: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
903: }
904: my $expected_number_of_inputs = (keys(%counts))[0];
1.214 albertel 905: if ( $expected_number_of_inputs > 0
906: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196 albertel 907: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
908: $expected_number_of_inputs,
909: scalar(@Apache::inputtags::inputlist)));
910: }
911: }
912:
1.90 albertel 913: sub get_table_sizes {
1.128 sakharuk 914: my ($number_of_bubbles,$rbubble_values)=@_;
915: my $scale=2; #mm for one digit
916: my $cell_width=0;
917: foreach my $member (@$rbubble_values) {
918: my $cell_width_real=0;
1.160 albertel 919: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 920: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
921: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 922: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 923: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 924: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 925: } else {
1.138 sakharuk 926: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 927: }
928: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 929: }
1.132 sakharuk 930: $cell_width+=8;
1.130 sakharuk 931: my $textwidth;
1.166 albertel 932: if ($env{'form.textwidth'} ne '') {
933: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 934: $textwidth=$1.'.'.$2;
1.130 sakharuk 935: } else {
1.166 albertel 936: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 937: $textwidth=$1.'.'.$2;
1.130 sakharuk 938: }
1.128 sakharuk 939: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 940: if ($bubbles_per_line > $number_of_bubbles) {
941: $bubbles_per_line=$number_of_bubbles;
1.216 albertel 942: } elsif (($bubbles_per_line > $number_of_bubbles/2)
943: && ($number_of_bubbles % 2==0)) {
944: $bubbles_per_line=$number_of_bubbles/2;
945: }
946: if ($bubbles_per_line < 1) {
947: $bubbles_per_line=1;
948: }
1.128 sakharuk 949: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 950: my @table_range = ();
1.128 sakharuk 951: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
952: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 953: $number_of_tables++;
1.128 sakharuk 954: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 955: }
1.128 sakharuk 956: $cell_width-=8;
1.136 sakharuk 957: $cell_width=$cell_width*3/4;
1.128 sakharuk 958: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 959: }
960:
961: sub format_number {
1.153 albertel 962: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 963: my $ans;
1.153 albertel 964: if ($format eq '') {
1.90 albertel 965: #What is the number? (integer,decimal,floating point)
1.187 albertel 966: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 967: $format = '3e';
1.90 albertel 968: } elsif ($number=~/^(\d*)\.(\d*)$/) {
969: $format = '4f';
970: } elsif ($number=~/^(\d*)$/) {
971: $format = 'd';
972: }
973: }
1.156 albertel 974: if (!$Apache::lonxml::default_homework_loaded) {
975: &Apache::lonxml::default_homework_load($safeeval);
976: }
1.153 albertel 977: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 978: return $ans;
979: }
980:
981: sub make_numerical_bubbles {
1.184 albertel 982: my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215 albertel 983:
984: if (!%answer) {
985: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
986: return ([],[],undef);
987: }
1.184 albertel 988:
989: my $number_of_bubbles =
990: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
991:
992: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 993: my $name = (exists($answer{$tag_internal_answer_name})
994: ? $tag_internal_answer_name
995: : (sort(keys(%answer)))[0]);
996:
997: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
998: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
999: }
1000: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
1001: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
1002: }
1003:
1004: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 1005: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
1006: $safeeval);
1007: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1008:
1.158 albertel 1009: my @bubble_values=();
1.184 albertel 1010: my @alphabet=('A'..'Z');
1011:
1012: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 1013: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 1014: if (@incorrect) {
1015: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
1016: if (defined($incorrect[0]) &&
1017: scalar(@incorrect)+1 >= $number_of_bubbles) {
1018: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 1019: &Apache::response::setrandomnumber();
1.184 albertel 1020: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 1021: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
1022: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 1023: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 1024: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1025:
1026: my $correct;
1027: for(my $i=0; $i<=$#bubble_values;$i++) {
1028: if ($bubble_values[$i] eq $answer) {
1029: $correct = $alphabet[$i];
1030: last;
1031: }
1032: }
1033:
1.134 albertel 1034: if (defined($format) && $format ne '') {
1.158 albertel 1035: my @bubble_display;
1.137 albertel 1036: foreach my $value (@bubble_values) {
1.158 albertel 1037: push(@bubble_display,
1038: &format_number($value,$format,$target,$safeeval));
1.134 albertel 1039: }
1.184 albertel 1040: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 1041: } else {
1.184 albertel 1042: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 1043: }
1.117 albertel 1044: }
1.184 albertel 1045: if (defined($incorrect[0]) &&
1046: scalar(@incorrect)+1 < $number_of_bubbles) {
1047: &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 1048: }
1.117 albertel 1049: }
1.90 albertel 1050: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 1051: my @powers = (1..$number_of_bubbles);
1.90 albertel 1052: &Apache::response::setrandomnumber();
1053: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
1054: my $power = $powers[$ind];
1055: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
1056: my $factor = $factors[$ind];
1.158 albertel 1057: my @bubble_display;
1.222 www 1058: my $answerfactor=$answer;
1059: if ($answer==0) {
1060: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1061: &Math::Random::random_uniform_integer(1,1,10);
1062: }
1.90 albertel 1063: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222 www 1064: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 1065: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 1066: $format,$target,$safeeval);
1.90 albertel 1067: }
1.184 albertel 1068: my $correct = $alphabet[$number_of_bubbles-$power];
1.222 www 1069: if ($answer==0) {
1070: $correct='A';
1071: $bubble_values[0]=0;
1072: $bubble_display[0] = &format_number($bubble_values[0],
1073: $format,$target,$safeeval);
1074: }
1.119 albertel 1075: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1076: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 1077: }
1078:
1079: sub get_tolrange {
1.89 albertel 1080: my ($ans,$tol)=@_;
1081: my ($high,$low);
1082: if ($tol =~ /%$/) {
1083: chop($tol);
1084: my $change=$ans*($tol/100.0);
1085: $high=$ans+$change;
1086: $low=$ans-$change;
1087: } else {
1088: $high=$ans+$tol;
1089: $low=$ans-$tol;
1090: }
1091: return ($high,$low);
1.52 albertel 1092: }
1093:
1094: sub get_sigrange {
1.89 albertel 1095: my ($sig)=@_;
1.195 albertel 1096: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 1097: my $courseid=$env{'request.course.id'};
1.219 albertel 1098: if ($env{'request.state'} ne 'construct'
1099: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 1100: return (15,0);
1101: }
1.89 albertel 1102: my $sig_lbound;
1103: my $sig_ubound;
1104: if ($sig eq '') {
1105: $sig_lbound = 0; #SIG_LB_DEFAULT
1106: $sig_ubound =15; #SIG_UB_DEFAULT
1107: } else {
1108: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 1109: if (!defined($sig_lbound)) {
1.89 albertel 1110: $sig_lbound = 0; #SIG_LB_DEFAULT
1111: $sig_ubound =15; #SIG_UB_DEFAULT
1112: }
1.145 albertel 1113: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 1114: }
1115: if (($sig_ubound<$sig_lbound) ||
1116: ($sig_lbound > 15) ||
1117: ($sig =~/(\+|-)/ ) ) {
1118: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 1119: if ($env{'request.state'} eq 'construct') {
1.133 albertel 1120: $errormsg.=
1121: &Apache::loncommon::help_open_topic('Significant_Figures');
1122: }
1123: &Apache::lonxml::error($errormsg);
1.52 albertel 1124: }
1.89 albertel 1125: return ($sig_ubound,$sig_lbound);
1.34 albertel 1126: }
1127:
1.212 albertel 1128: sub format_prior_response_string {
1129: my ($mode,$answer) =@_;
1130: return '<span class="LC_prior_string">'.
1131: &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211 albertel 1132: }
1133:
1.34 albertel 1134: sub start_stringresponse {
1.89 albertel 1135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1136: my $result;
1.122 albertel 1137: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1138: if ($target eq 'meta') {
1139: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 1140: } elsif ($target eq 'edit') {
1141: $result.=&Apache::edit::tag_start($target,$token);
1142: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1143: $result.=&Apache::edit::select_arg('Type:','type',
1144: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1145: ['mc','Case Insensitive, Any Order'],
1146: ['re','Regular Expression']],$token);
1.152 albertel 1147: $result.=&Apache::edit::text_arg('String to display for answer:',
1148: 'answerdisplay',$token);
1.122 albertel 1149: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1150: } elsif ($target eq 'modified') {
1.146 albertel 1151: my $constructtag;
1152: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1153: $safeeval,'answer',
1154: 'type','answerdisplay');
1155: if ($constructtag) {
1156: $result = &Apache::edit::rebuild_tag($token);
1157: $result.=&Apache::edit::handle_insert();
1158: }
1159: } elsif ($target eq 'web') {
1160: if ( &Apache::response::show_answer() ) {
1.152 albertel 1161: my $answer=
1162: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1163: if (!defined $answer || $answer eq '') {
1164: $answer=
1165: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1166: }
1.195 albertel 1167: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 1168: }
1.122 albertel 1169: } elsif ($target eq 'answer' || $target eq 'grade') {
1170: &Apache::response::reset_params();
1.89 albertel 1171: }
1172: return $result;
1.34 albertel 1173: }
1174:
1175: sub end_stringresponse {
1.122 albertel 1176: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 1177:
1.122 albertel 1178: my $result = '';
1179: my $part=$Apache::inputtags::part;
1180: my $id=$Apache::inputtags::response[-1];
1181: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1182: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 1183: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 1184: &Apache::lonxml::debug("current $answer ".$token->[2]);
1185: if (!$Apache::lonxml::default_homework_loaded) {
1186: &Apache::lonxml::default_homework_load($safeeval);
1187: }
1.162 albertel 1188: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 1189: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1190: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1191: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 1192: &Apache::response::submitted('scantron')) {
1.189 albertel 1193: &Apache::response::scored_response($part,$id);
1194:
1.122 albertel 1195: } else {
1196: my $response = &Apache::response::getresponse();
1197: if ( $response =~ /[^\s]/) {
1198: my %previous = &Apache::response::check_for_previous($response,
1.241 ! raeburn 1199: $part,$id,
! 1200: undef,$type);
1.122 albertel 1201: &Apache::lonxml::debug("submitted a $response<br>\n");
1202: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1203: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1204: $response;
1.142 albertel 1205: my ($ad,$msg);
1.122 albertel 1206: if ($type eq 're' ) {
1207: # if the RE wasn't in a var it likely got munged,
1208: # thus grab it from the var directly
1209: # my $testans=$token->[2]->{'answer'};
1210: # if ($testans !~ m/^\s*\$/) {
1211: # $answer=$token->[2]->{'answer'};
1212: # }
1.143 albertel 1213: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179 albertel 1214: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 1215: &Apache::lonxml::debug("current $response");
1216: &Apache::lonxml::debug("current $answer");
1217: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1218: } else {
1.195 albertel 1219: my @args = ('type');
1220: my $args_ref = &setup_capa_args($safeeval,$parstack,
1221: \@args,$response);
1.233 raeburn 1222: if ($$args_ref{'type'} eq '') {
1223: $$args_ref{'type'} = 'ci';
1224: }
1.195 albertel 1225: &add_in_tag_answer($parstack,$safeeval);
1226: my (@final_awards,@final_msgs,@names);
1227: foreach my $name (keys(%answer)) {
1228: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1229: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.233 raeburn 1230: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1.241 ! raeburn 1231: if ($$args_ref{'type'} =~ /^c[si]$/) {
! 1232: my $error = pop(@msgs);
! 1233: if ($error ne '') {
! 1234: my ($symb,$courseid,$domain,$name) =
! 1235: &Apache::lonnet::whichuser();
! 1236: &Apache::lonnet::logthis("Stringresponse grading error: $error for $name:$domain in $courseid for part: $part response: $id and symb: $symb");
! 1237: }
! 1238: }
1.195 albertel 1239: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1240: my ($awards)=split(/:/,$result);
1241: my (@awards) = split(/,/,$awards);
1242: ($ad,$msg) =
1243: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1244: push(@final_awards,$ad);
1245: push(@final_msgs,$msg);
1246: push(@names,$name);
1247: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1248: }
1.240 raeburn 1249: ($ad, $msg, my $name) =
1.195 albertel 1250: &Apache::inputtags::finalizeawards(\@final_awards,
1251: \@final_msgs,
1252: \@names,1);
1.122 albertel 1253: }
1.237 raeburn 1254: if (($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1255: $ad eq 'EXACT_ANS')) {
1256: if ($Apache::lonhomework::type eq 'survey') {
1257: $ad='SUBMITTED';
1258: } elsif ($Apache::lonhomework::type eq 'surveycred') {
1259: $ad='SUBMITTED_CREDIT';
1260: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
1261: $ad='ANONYMOUS';
1262: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
1263: $ad='ANONYMOUS_CREDIT';
1264: }
1265: }
1.241 ! raeburn 1266: unless ($env{'request.state'} eq 'construct') {
! 1267: if ($previous{'used'}) {
! 1268: if ($ad ne $previous{'award'} && $previous{'award'} ne '') {
! 1269: &stringresponse_gradechange($part,$id,\%previous,
! 1270: 'cs',$response,$ad,$type);
! 1271: }
! 1272: } elsif ($previous{'usedci'}) {
! 1273: if ($ad ne $previous{'awardci'} && $previous{'awardci'} ne '') {
! 1274: &stringresponse_gradechange($part,$id,\%previous,
! 1275: 'ci',$response,$ad,$type);
! 1276: }
! 1277: }
! 1278: }
1.122 albertel 1279: &Apache::response::handle_previous(\%previous,$ad);
1280: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1281: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1282: }
1283: }
1284: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1285: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1286: if ($target eq 'analyze') {
1287: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1288: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1289: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1290: 'answer');
1.122 albertel 1291: }
1.140 albertel 1292: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1293: if ($target eq 'answer') {
1.125 albertel 1294: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1295: }
1.200 albertel 1296: foreach my $name (keys(%answer)) {
1297: my @answers = @{ $answer{$name}{'answers'} };
1298: for (my $i=0;$i<=$#answers;$i++) {
1299: my $answer_part = $answers[$i];
1300: foreach my $element (@{$answer_part}) {
1301: if ($target eq 'answer') {
1302: $result.=&Apache::response::answer_part('stringresponse',
1303: $element);
1304: } elsif ($target eq 'analyze') {
1305: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1306: $element);
1307: }
1308: }
1309: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1310: $result.=&Apache::response::answer_part('stringresponse',
1311: $answerdisplay);
1312: }
1.122 albertel 1313: }
1.200 albertel 1314: }
1.122 albertel 1315: my $string='Case Insensitive';
1316: if ($type eq 'mc') {
1317: $string='Multiple Choice';
1318: } elsif ($type eq 'cs') {
1319: $string='Case Sensitive';
1320: } elsif ($type eq 'ci') {
1321: $string='Case Insensitive';
1322: } elsif ($type eq 're') {
1323: $string='Regular Expression';
1324: }
1325: if ($target eq 'answer') {
1.166 albertel 1326: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1327: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1328: "$string");
1329: } else {
1.125 albertel 1330: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1331: "<b>$string</b>");
1332: }
1333: } elsif ($target eq 'analyze') {
1334: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1335: $type);
1336: }
1337: if ($target eq 'answer') {
1.125 albertel 1338: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1339: }
1340: } elsif ($target eq 'edit') {
1341: $result.='</td></tr>'.&Apache::edit::end_table;
1.211 albertel 1342: } elsif ($target eq 'web' || $target eq 'tex') {
1.212 albertel 1343: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122 albertel 1344: }
1345: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1346: $target eq 'tex' || $target eq 'analyze') {
1.220 albertel 1347: &Apache::lonxml::increment_counter(&Apache::response::repetition(),
1348: "$part.$id");
1349: if ($target eq 'analyze') {
1350: &Apache::lonhomework::set_bubble_lines();
1351: }
1.122 albertel 1352: }
1353: &Apache::response::end_response;
1354: return $result;
1.44 albertel 1355: }
1356:
1357: sub start_formularesponse {
1.89 albertel 1358: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1359: my $result;
1360: if ($target eq 'meta') {
1.104 bowersj2 1361: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1362: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1363: &Apache::response::end_response();
1.89 albertel 1364: } else {
1365: $result.=&start_numericalresponse(@_);
1366: }
1367: return $result;
1.44 albertel 1368: }
1369:
1370: sub end_formularesponse {
1.89 albertel 1371: return end_numericalresponse(@_);
1.3 albertel 1372: }
1373:
1.1 albertel 1374: 1;
1.3 albertel 1375: __END__
1.89 albertel 1376:
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