Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.231
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.231 ! riegler 4: # $Id: caparesponse.pm,v 1.230 2008/09/08 16:08:37 riegler 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;
1.202 www 36: use Apache::response();
1.194 albertel 37: use Storable qw(dclone);
1.3 albertel 38:
1.50 harris41 39: BEGIN {
1.194 albertel 40: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
1.3 albertel 41: }
42:
1.181 albertel 43: my %answer;
1.204 albertel 44: my @answers;
1.203 albertel 45: sub get_answer { return %answer; };
1.204 albertel 46: sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
47: sub pop_answer { %answer = %{pop(@answers)}; };
1.203 albertel 48:
1.181 albertel 49: my $cur_name;
1.195 albertel 50: my $tag_internal_answer_name = 'INTERNAL';
51:
1.181 albertel 52: sub start_answer {
53: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
54: my $result;
55: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
56: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
57: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
58: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
59: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
60: }
61: if (!defined($type)) { $type = 'ordered' };
62: $answer{$cur_name}= { 'type' => $type,
63: 'answers' => [] };
1.208 albertel 64: if ($target eq 'edit') {
65: $result.=&Apache::edit::tag_start($target,$token);
66: $result.=&Apache::edit::text_arg('Name:','name',$token);
67: $result.=&Apache::edit::select_arg('Type:','type',
68: [['ordered', 'Ordered' ],
69: ['unordered','Unordered'],],
70: $token);
71: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
72: } elsif ($target eq 'modified') {
73: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
74: $safeeval,'name',
75: 'type');
76: if ($constructtag) {
77: $result = &Apache::edit::rebuild_tag($token);
78: $result.= &Apache::edit::handle_insert();
79: }
80: }
1.181 albertel 81: return $result;
82: }
83:
84: sub end_answer {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
86: my $result;
1.208 albertel 87: if ($target eq 'edit') {
88: $result .= &Apache::edit::tag_end();
89: }
90:
1.181 albertel 91: undef($cur_name);
92: return $result;
93: }
94:
1.208 albertel 95: sub insert_answer {
96: return '
97: <answer>
98: <value></value>
99: </answer>';
100: }
101:
1.181 albertel 102: sub start_answergroup {
103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
104: my $result;
1.208 albertel 105: if ($target eq 'edit') {
106: $result.=&Apache::edit::tag_start($target,$token);
107: $result.=&Apache::edit::select_arg('Type:','type',
108: [['ordered', 'Ordered' ],
109: ['unordered','Unordered'],],
110: $token);
111: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
112: } elsif ($target eq 'modified') {
113: my $constructtag = &Apache::edit::get_new_args($token,$parstack,
114: $safeeval,'name',
115: 'type');
116: if ($constructtag) {
117: $result = &Apache::edit::rebuild_tag($token);
118: $result.= &Apache::edit::handle_insert();
119: }
120: }
1.181 albertel 121: return $result;
122: }
123:
124: sub end_answergroup {
125: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
126: my $result;
1.194 albertel 127: if ($target eq 'web') {
128: if ( &Apache::response::show_answer() ) {
129: my $partid = $Apache::inputtags::part;
130: my $id = $Apache::inputtags::response[-1];
131: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
132: $target,$token,$tagstack,$parstack,$parser,
133: $safeeval,-2);
134: }
1.208 albertel 135: } elsif ($target eq 'edit') {
136: $result .= &Apache::edit::tag_end();
1.194 albertel 137: }
1.181 albertel 138: return $result;
139: }
140:
1.208 albertel 141: sub insert_answergroup {
142: return '
143: <answergroup>
144: <answer>
145: <value></value>
146: </answer>
147: </answergroup>';
148: }
149:
1.181 albertel 150: sub start_value {
1.182 albertel 151: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 152: my $result;
153: if ( $target eq 'web' || $target eq 'tex' ||
154: $target eq 'grade' || $target eq 'webgrade' ||
155: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 156: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
1.181 albertel 157: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
158: $$parstack[-1]);
1.195 albertel 159:
160: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
161:
1.208 albertel 162: } elsif ($target eq 'edit') {
163: $result.=&Apache::edit::tag_start($target,$token);
164: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
165: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
166: &Apache::edit::end_row();
167: } elsif ($target eq 'modified') {
168: $result=$token->[4].&Apache::edit::modifiedfield('/value',$parser);
1.181 albertel 169: }
170: return $result;
171: }
172:
173: sub end_value {
174: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
175: my $result;
1.208 albertel 176: if ($target eq 'edit') {
177: $result = &Apache::edit::end_table();
178: }
1.181 albertel 179: return $result;
180: }
181:
1.208 albertel 182: sub insert_value {
183: return '
184: <value></value>';
185: }
186:
1.195 albertel 187: sub start_vector {
188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
189: my $result;
190: if ( $target eq 'web' || $target eq 'tex' ||
191: $target eq 'grade' || $target eq 'webgrade' ||
192: $target eq 'answer' || $target eq 'analyze' ) {
193: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
194: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
195: if (@values == 1) {
196: @values = split(',',$values[0]);
197: }
198: push(@{ $answer{$cur_name}{'answers'} },\@values);
1.208 albertel 199: } elsif ($target eq 'edit') {
200: $result.=&Apache::edit::tag_start($target,$token);
201: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
202: $result.=&Apache::edit::editline($token->[1],$bodytext,undef,40).
203: &Apache::edit::end_row();
204: } elsif ($target eq 'modified') {
205: $result=$token->[4].&Apache::edit::modifiedfield('/vector',$parser);
1.195 albertel 206: }
207: return $result;
208: }
209:
210: sub end_vector {
211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
212: my $result;
1.208 albertel 213: if ($target eq 'edit') {
214: $result = &Apache::edit::end_table();
215: }
1.195 albertel 216: return $result;
217: }
218:
1.208 albertel 219: sub insert_vector {
220: return '
221: <value></value>';
222: }
223:
1.181 albertel 224: sub start_array {
1.182 albertel 225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.181 albertel 226: my $result;
227: if ( $target eq 'web' || $target eq 'tex' ||
228: $target eq 'grade' || $target eq 'webgrade' ||
229: $target eq 'answer' || $target eq 'analyze' ) {
1.182 albertel 230: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
1.181 albertel 231: my @values = &Apache::run::evaluate($bodytext,$safeeval,
232: $$parstack[-1]);
233: push(@{ $answer{$cur_name}{'answers'} },@values);
234: }
235: return $result;
236: }
237:
238: sub end_array {
239: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
240: my $result;
241: return $result;
242: }
243:
244: sub start_unit {
245: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
246: my $result;
247: return $result;
248: }
249:
250: sub end_unit {
251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
252: my $result;
253: return $result;
254: }
255:
1.89 albertel 256: sub start_numericalresponse {
257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.195 albertel 258: &Apache::lonxml::register('Apache::caparesponse',
259: ('answer','answergroup','value','array','unit',
260: 'vector'));
1.208 albertel 261: push(@Apache::lonxml::namespace,'caparesponse');
1.89 albertel 262: my $id = &Apache::response::start_response($parstack,$safeeval);
263: my $result;
1.181 albertel 264: undef(%answer);
265: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
1.89 albertel 266: if ($target eq 'edit') {
267: $result.=&Apache::edit::tag_start($target,$token);
268: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
269: if ($token->[1] eq 'numericalresponse') {
1.122 albertel 270: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
1.149 www 271: $token).
272: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
1.89 albertel 273: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
274: &Apache::loncommon::help_open_topic('Physical_Units');
275: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
276: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
277: } elsif ($token->[1] eq 'formularesponse') {
278: $result.=&Apache::edit::text_arg('Sample Points:','samples',
279: $token,40).
280: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
281: }
282: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
283: } elsif ($target eq 'modified') {
284: my $constructtag;
285: if ($token->[1] eq 'numericalresponse') {
286: $constructtag=&Apache::edit::get_new_args($token,$parstack,
287: $safeeval,'answer',
1.156 albertel 288: 'incorrect','unit',
1.117 albertel 289: 'format');
1.89 albertel 290: } elsif ($token->[1] eq 'formularesponse') {
291: $constructtag=&Apache::edit::get_new_args($token,$parstack,
292: $safeeval,'answer',
293: 'samples');
294: }
295: if ($constructtag) {
296: $result = &Apache::edit::rebuild_tag($token);
297: $result.=&Apache::edit::handle_insert();
1.22 albertel 298: }
1.89 albertel 299: } elsif ($target eq 'meta') {
300: $result=&Apache::response::meta_package_write('numericalresponse');
301: } elsif ($target eq 'answer' || $target eq 'grade') {
302: &Apache::response::reset_params();
1.96 albertel 303: } elsif ($target eq 'web') {
304: my $partid = $Apache::inputtags::part;
305: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
306: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
307: #no way to enter units, with radio buttons
308: if (lc($hideunit) eq "yes") {
309: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
310: $safeeval);
311: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
312: }
1.225 www 313: if (($token->[1] eq 'formularesponse') &&
1.227 raeburn 314: ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')) {
1.225 www 315: }
1.146 albertel 316: if ( &Apache::response::show_answer() ) {
1.195 albertel 317: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
318: $parstack,$parser,$safeeval,-1);
1.194 albertel 319: }
320: }
321: return $result;
322: }
323:
324: sub set_answertext {
325: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
326: $response_level) = @_;
327: &add_in_tag_answer($parstack,$safeeval,$response_level);
328:
1.206 albertel 329: if ($name eq '' || !ref($answer{$name})) {
330: if (ref($answer{$tag_internal_answer_name})) {
331: $name = $tag_internal_answer_name;
332: } else {
333: $name = (sort(keys(%answer)))[0];
334: }
335: }
1.194 albertel 336: return if ($name eq '' || !ref($answer{$name}));
337:
338: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
339: $safeeval,$response_level);
340: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
341: $response_level);
342:
343: &Apache::lonxml::debug("answer looks to be $name");
1.195 albertel 344: my @answertxt;
1.194 albertel 345: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
1.195 albertel 346: my $answertxt;
1.194 albertel 347: my $answer=$answer{$name}{'answers'}[$i];
1.195 albertel 348: foreach my $element (@$answer) {
349: if ( scalar(@$tagstack)
350: && $tagstack->[$response_level] ne 'numericalresponse') {
351: $answertxt.=$element.',';
1.194 albertel 352: } else {
1.195 albertel 353: my $format;
354: if ($#formats > 0) {
355: $format=$formats[$i];
356: } else {
357: $format=$formats[0];
358: }
359: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
360: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
361: my $formatted=&format_number($element,$format,$target,
362: $safeeval);
363: $answertxt.=' '.$formatted.',';
1.146 albertel 364: }
1.195 albertel 365:
366: }
367: chop($answertxt);
368: if ($target eq 'web') {
369: $answertxt.=" $unit ";
1.146 albertel 370: }
1.195 albertel 371:
372: push(@answertxt,$answertxt)
1.16 albertel 373: }
1.194 albertel 374:
375: my $id = $Apache::inputtags::response[-1];
1.195 albertel 376: $Apache::inputtags::answertxt{$id}=\@answertxt;
1.21 albertel 377: }
378:
1.195 albertel 379: sub setup_capa_args {
380: my ($safeeval,$parstack,$args,$response) = @_;
1.167 albertel 381: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
1.195 albertel 382: undef(%{ $args_ref });
383:
384: foreach my $arg (@{$args}) {
1.167 albertel 385: $$args_ref{$arg}=
386: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
387: }
388: foreach my $key (keys(%Apache::inputtags::params)) {
389: $$args_ref{$key}=$Apache::inputtags::params{$key};
390: }
1.195 albertel 391: &setup_capa_response($args_ref,$response);
392: return $args_ref;
393: }
394:
395: sub setup_capa_response {
396: my ($args_ref,$response) = @_;
397:
398: if (ref($response)) {
399: $$args_ref{'response'}=dclone($response);
400: } else {
401: $$args_ref{'response'}=dclone([$response]);
402: }
403: }
404:
405: sub check_submission {
406: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
407: my @args = ('type','tol','sig','format','unit','calc','samples');
408: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
409:
410: my $hideunit=
411: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
412: #no way to enter units, with radio buttons
1.167 albertel 413: if ($Apache::lonhomework::type eq 'exam' ||
414: lc($hideunit) eq "yes") {
415: delete($$args_ref{'unit'});
416: }
417: #sig fig don't make much sense either
418: if (($Apache::lonhomework::type eq 'exam' ||
1.171 albertel 419: &Apache::response::submitted('scantron') ||
420: $ignore_sig) &&
1.167 albertel 421: $tag eq 'numericalresponse') {
422: delete($$args_ref{'sig'});
423: }
424:
425: if ($tag eq 'formularesponse') {
1.199 www 426: if ($$args_ref{'samples'}) {
1.191 www 427: $$args_ref{'type'}='fml';
1.199 www 428: } else {
429: $$args_ref{'type'}='math';
430: }
1.167 albertel 431: } elsif ($tag eq 'numericalresponse') {
432: $$args_ref{'type'}='float';
433: }
1.194 albertel 434:
435: &add_in_tag_answer($parstack,$safeeval);
436:
1.218 albertel 437: if (!%answer) {
438: &Apache::lonxml::error("No answers are defined");
439: }
440:
1.195 albertel 441: my (@final_awards,@final_msgs,@names);
1.181 albertel 442: foreach my $name (keys(%answer)) {
443: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1.194 albertel 444:
445: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1.195 albertel 446: &setup_capa_response($args_ref,$response);
447: use Time::HiRes;
448: my $t0 = [Time::HiRes::gettimeofday()];
1.181 albertel 449: my ($result,@msgs) =
450: &Apache::run::run("&caparesponse_check_list()",$safeeval);
1.195 albertel 451: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
1.181 albertel 452: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
453: my ($awards)=split(/:/,$result);
454: my @awards= split(/,/,$awards);
455: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
456: push(@final_awards,$ad);
457: push(@final_msgs,$msg);
458: push(@names,$name);
459: }
460: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
461: \@final_msgs,
462: \@names,1);
1.194 albertel 463: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
464: return($ad,$msg, $name);
465: }
466:
467: sub add_in_tag_answer {
468: my ($parstack,$safeeval,$response_level) = @_;
469: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
470: $response_level);
471: &Apache::lonxml::debug('answer is'.join(':',@answer));
1.213 albertel 472: if (@answer && $answer[0] =~ /\S/) {
1.195 albertel 473: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
474: 'answers' => [\@answer] };
1.194 albertel 475: }
1.167 albertel 476: }
477:
1.202 www 478: sub capa_formula_fix {
479: my ($expression)=@_;
480: return &Apache::response::implicit_multiplication($expression);
481: }
482:
1.89 albertel 483: sub end_numericalresponse {
484: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.208 albertel 485:
486: &Apache::lonxml::deregister('Apache::caparesponse',
487: ('answer','answergroup','value','array','unit',
488: 'vector'));
489: pop(@Apache::lonxml::namespace);
490:
1.90 albertel 491: my $increment=1;
1.89 albertel 492: my $result = '';
493: if (!$Apache::lonxml::default_homework_loaded) {
494: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 495: }
1.167 albertel 496: my $partid = $Apache::inputtags::part;
497: my $id = $Apache::inputtags::response[-1];
1.125 albertel 498: my $tag;
1.190 albertel 499: my $safehole = new Safe::Hole;
1.168 albertel 500: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1.190 albertel 501:
1.125 albertel 502: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
1.162 albertel 503: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 504: &Apache::response::setup_params($tag,$safeeval);
1.95 albertel 505: if ($Apache::lonhomework::type eq 'exam' &&
1.190 albertel 506: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
1.95 albertel 507: $increment=&Apache::response::scored_response($partid,$id);
508: } else {
509: my $response = &Apache::response::getresponse();
510: if ( $response =~ /[^\s]/) {
511: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
512: &Apache::lonxml::debug("submitted a $response<br>\n");
513: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
514:
1.162 albertel 515: if ( &Apache::response::submitted('scantron')) {
1.228 riegler 516: &add_in_tag_answer($parstack,$safeeval);
517: my ($values,$display)=&make_numerical_bubbles($partid,$id,
518: $target,$parstack,$safeeval);
519: $response=$values->[$response];
520: }
521: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
1.194 albertel 522: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
523: $tag,$parstack,
524: $safeeval);
1.167 albertel 525:
1.142 albertel 526: &Apache::lonxml::debug('ad is'.$ad);
527: if ($ad eq 'SIG_FAIL') {
528: my ($sig_u,$sig_l)=
529: &get_sigrange($Apache::inputtags::params{'sig'});
530: $msg=join(':',$msg,$sig_l,$sig_u);
531: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
532: $Apache::inputtags::params{'sig'});
533: }
1.95 albertel 534: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.163 albertel 535: if ($Apache::lonhomework::type eq 'survey' &&
536: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
537: $ad eq 'EXACT_ANS')) {
538: $ad='SUBMITTED';
539: }
1.95 albertel 540: &Apache::response::handle_previous(\%previous,$ad);
541: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.142 albertel 542: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
1.194 albertel 543: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
1.95 albertel 544: $result='';
1.90 albertel 545: }
1.89 albertel 546: }
547: } elsif ($target eq 'web' || $target eq 'tex') {
1.196 albertel 548: &check_for_answer_errors($parstack,$safeeval);
1.89 albertel 549: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
550: my $status = $Apache::inputtags::status['-1'];
551: if ($Apache::lonhomework::type eq 'exam') {
1.194 albertel 552: # FIXME support multi dimensional numerical problems
553: # in exam bubbles
1.184 albertel 554: my ($bubble_values,$bubble_display)=
555: &make_numerical_bubbles($partid,$id,$target,$parstack,
556: $safeeval);
557: my $number_of_bubbles = scalar(@{ $bubble_values });
1.89 albertel 558: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
559: $safeeval);
560: my @alphabet=('A'..'Z');
561: if ($target eq 'web') {
1.125 albertel 562: if ($tag eq 'numericalresponse') {
1.89 albertel 563: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
564: $result.= '<table border="1"><tr>';
1.116 albertel 565: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
1.90 albertel 566: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
1.116 albertel 567: my $checked='';
1.158 albertel 568: if ($previous eq $bubble_values->[$ind]) {
1.116 albertel 569: $checked=" checked='on' ";
570: }
1.90 albertel 571: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.158 albertel 572: '" value="'.$bubble_values->[$ind].'" '.$checked
1.116 albertel 573: .' /><b>'.$alphabet[$ind].'</b>: '.
1.158 albertel 574: $bubble_display->[$ind].'</td>';
1.89 albertel 575: }
576: $result.='</tr></table>';
577: }
578: } elsif ($target eq 'tex') {
1.107 sakharuk 579: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
1.89 albertel 580: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
581: }
1.125 albertel 582: if ($tag eq 'numericalresponse') {
1.90 albertel 583: my ($celllength,$number_of_tables,@table_range)=
1.159 albertel 584: &get_table_sizes($number_of_bubbles,$bubble_display);
1.89 albertel 585: my $j=0;
586: my $cou=0;
587: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
588: for (my $i=0;$i<$number_of_tables;$i++) {
1.144 sakharuk 589: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
1.90 albertel 590: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.128 sakharuk 591: $result.='p{3 mm}p{'.$celllength.' mm}';
1.89 albertel 592: }
593: $result.='}';
1.90 albertel 594: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.159 albertel 595: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
1.89 albertel 596: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
597: }
598: $cou += $table_range[$j];
599: $j++;
600: $result.='\\\\\end{tabular}\vskip 0 mm ';
601: }
602: $result.='\end{enumerate}';
603: } else {
1.188 albertel 604: $increment = &Apache::response::repetition();
1.89 albertel 605: }
606: }
607: }
1.228 riegler 608: if (($target eq 'web') && ($tag eq 'formularesponse')
1.231 ! riegler 609: && ($Apache::lonhomework::type ne 'exam') && ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER')
! 610: && (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoneditor') ne 'no')){
1.228 riegler 611: $result.=&Apache::response::edit_mathresponse_button($id,"HWVAL_$id");
1.231 ! riegler 612: #hier
1.228 riegler 613: }
614:
1.212 albertel 615: &Apache::response::setup_prior_tries_hash(\&format_prior_response_numerical);
1.89 albertel 616: } elsif ($target eq 'edit') {
617: $result.='</td></tr>'.&Apache::edit::end_table;
618: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.167 albertel 619: my $part_id="$partid.$id";
1.89 albertel 620: if ($target eq 'analyze') {
621: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
1.125 albertel 622: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
1.117 albertel 623: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
1.161 albertel 624: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
1.117 albertel 625: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
1.154 albertel 626: &Apache::response::check_if_computed($token,$parstack,
627: $safeeval,'answer');
1.89 albertel 628: }
1.125 albertel 629: if (scalar(@$tagstack)) {
1.140 albertel 630: &Apache::response::setup_params($tag,$safeeval);
1.125 albertel 631: }
1.194 albertel 632: &add_in_tag_answer($parstack,$safeeval);
1.58 sakharuk 633: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.194 albertel 634:
1.58 sakharuk 635: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 636:
637: if ($target eq 'answer') {
1.195 albertel 638: $result.=&Apache::response::answer_header($tag,undef,
639: scalar(keys(%answer)));
1.185 albertel 640: if ($tag eq 'numericalresponse'
641: && $Apache::lonhomework::type eq 'exam') {
1.184 albertel 642: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
643: $id,$target,$parstack,$safeeval);
644: $result.=&Apache::response::answer_part($tag,$correct);
645: }
1.89 albertel 646: }
1.194 albertel 647: foreach my $name (sort(keys(%answer))) {
648: my @answers = @{ $answer{$name}{'answers'} };
1.200 albertel 649: if ($target eq 'analyze') {
650: foreach my $info ('answer','ans_high','ans_low','format') {
651: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
652: }
653: }
1.194 albertel 654: my ($sigline,$tolline);
1.195 albertel 655: if ($name ne $tag_internal_answer_name
656: || scalar(keys(%answer)) > 1) {
657: $result.=&Apache::response::answer_part($tag,$name);
658: }
1.194 albertel 659: for(my $i=0;$i<=$#answers;$i++) {
660: my $ans=$answers[$i];
661: my $fmt=$formats[0];
662: if (@formats && $#formats) {$fmt=$formats[$i];}
663: my ($sighigh,$siglow);
664: if ($Apache::inputtags::params{'sig'}) {
665: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
666: }
1.195 albertel 667: my @vector;
668: if (ref($ans)) {
669: @vector = @{ $ans };
670: } else {
671: @vector = ($ans);
1.194 albertel 672: }
1.200 albertel 673: my @all_answer_info;
674: foreach my $element (@vector) {
675: my ($high,$low);
676: if ($Apache::inputtags::params{'tol'}) {
677: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
678: }
679: if ($target eq 'answer') {
1.195 albertel 680: if ($fmt && $tag eq 'numericalresponse') {
681: $fmt=~s/e/E/g;
682: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
683: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
684: $element = &format_number($element,$fmt,$target,$safeeval);
685: #if ($high) {
686: # $high=&format_number($high,$fmt,$target,$safeeval);
687: # $low =&format_number($low,$fmt,$target,$safeeval);
688: #}
689: }
690: if ($high && $tag eq 'numericalresponse') {
1.224 www 691: $element.='; ['.$low.'; '.$high.']';
1.195 albertel 692: $tolline .= "[$low, $high]";
693: }
694: if (defined($sighigh) && $tag eq 'numericalresponse') {
695: if ($env{'form.answer_output_mode'} eq 'tex') {
1.224 www 696: $element.= "; Sig $siglow - $sighigh";
1.195 albertel 697: } else {
698: $element.= " Sig <i>$siglow - $sighigh</i>";
699: $sigline .= "[$siglow, $sighigh]";
700: }
1.194 albertel 701: }
1.195 albertel 702: push(@all_answer_info,$element);
1.200 albertel 703:
704: } elsif ($target eq 'analyze') {
705: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
706: if ($high) {
707: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
708: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
709: }
710: if ($fmt) {
711: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
712: }
1.194 albertel 713: }
1.200 albertel 714: }
715: if ($target eq 'answer') {
1.223 www 716: $result.= &Apache::response::answer_part($tag,join('; ',@all_answer_info));
1.194 albertel 717: }
718: }
719:
720: my @fmt_ans;
721: for(my $i=0;$i<=$#answers;$i++) {
722: my $ans=$answers[$i];
723: my $fmt=$formats[0];
724: if (@formats && $#formats) {$fmt=$formats[$i];}
1.195 albertel 725: foreach my $element (@$ans) {
726: if ($fmt && $tag eq 'numericalresponse') {
727: $fmt=~s/e/E/g;
728: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
729: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
730: $element = &format_number($element,$fmt,$target,
731: $safeeval);
732: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
733: }
1.194 albertel 734: }
1.195 albertel 735: push(@fmt_ans,join(',',@$ans));
1.194 albertel 736: }
1.195 albertel 737: my $response=\@fmt_ans;
738:
1.194 albertel 739: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
740: $id.'.turnoffunit');
741: if ($unit ne '' &&
742: ! ($Apache::lonhomework::type eq 'exam' ||
743: lc($hideunit) eq "yes") ) {
744: my $cleanunit=$unit;
745: $cleanunit=~s/\$\,//g;
1.195 albertel 746: foreach my $ans (@fmt_ans) {
747: $ans.=" $cleanunit";
748: }
1.60 sakharuk 749: }
1.194 albertel 750: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
751: $parstack,$safeeval);
752: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
753: my $error;
754: if ($tag eq 'formularesponse') {
1.195 albertel 755: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
1.194 albertel 756: } else {
757: # answer failed check if it is sig figs that is failing
758: my ($ad,$msg)=&check_submission($response,$partid,$id,
759: $tag,$parstack,
760: $safeeval,1);
761: if ($sigline ne '') {
1.195 albertel 762: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
1.98 sakharuk 763: } else {
1.195 albertel 764: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
1.98 sakharuk 765: }
766: }
1.194 albertel 767: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
768: &Apache::lonxml::error($error);
769: } else {
770: &Apache::lonxml::warning($error);
1.165 albertel 771: }
1.79 sakharuk 772: }
1.176 albertel 773:
1.194 albertel 774: if (defined($unit) and ($unit ne '') and
775: $tag eq 'numericalresponse') {
776: if ($target eq 'answer') {
777: if ($env{'form.answer_output_mode'} eq 'tex') {
778: $result.=&Apache::response::answer_part($tag,
779: " Unit: $unit ");
780: } else {
781: $result.=&Apache::response::answer_part($tag,
782: "Unit: <b>$unit</b>");
783: }
784: } elsif ($target eq 'analyze') {
785: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
1.171 albertel 786: }
1.167 albertel 787: }
1.194 albertel 788: if ($tag eq 'formularesponse' && $target eq 'answer') {
789: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
790: $result.=&Apache::response::answer_part($tag,$samples);
1.89 albertel 791: }
1.195 albertel 792: $result.=&Apache::response::next_answer($tag,$name);
1.89 albertel 793: }
794: if ($target eq 'answer') {
1.125 albertel 795: $result.=&Apache::response::answer_footer($tag);
1.89 albertel 796: }
1.69 sakharuk 797: }
1.121 sakharuk 798: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1.90 albertel 799: $target eq 'tex' || $target eq 'analyze') {
1.221 raeburn 800: if (($tag eq 'formularesponse') && ($target eq 'analyze')) {
801: my $type = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.type');
802: if ($type eq 'exam') {
803: $increment = &Apache::response::repetition();
804: }
805: }
1.220 albertel 806: &Apache::lonxml::increment_counter($increment,"$partid.$id");
807: if ($target eq 'analyze') {
808: &Apache::lonhomework::set_bubble_lines();
809: }
1.90 albertel 810: }
1.196 albertel 811: &Apache::response::end_response();
1.89 albertel 812: return $result;
1.90 albertel 813: }
814:
1.212 albertel 815: sub format_prior_response_numerical {
816: my ($mode,$answer) = @_;
1.213 albertel 817: if (ref($answer)) {
818: my $result = '<table class="LC_prior_numerical"><tr>';
819: foreach my $element (@{ $answer }) {
820: $result.= '<td><span class="LC_prior_numerical">'.
821: &HTML::Entities::encode($element,'"<>&').'</span></td>';
822: }
823: $result.='</tr></table>';
824: return $result;
825: }
1.212 albertel 826: return '<span class="LC_prior_numerical">'.
827: &HTML::Entities::encode($answer,'"<>&').'</span>';
828:
1.209 albertel 829: }
830:
1.196 albertel 831: sub check_for_answer_errors {
832: my ($parstack,$safeeval) = @_;
833: &add_in_tag_answer($parstack,$safeeval);
834: my %counts;
835: foreach my $name (keys(%answer)) {
836: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
837: }
838: if (scalar(keys(%counts)) > 1) {
839: my $counts = join(' ',map {
840: my $count = $_;
841: &mt("Answers [_1] had [_2] components.",
842: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
843: $count);
844: } (sort(keys(%counts))));
845: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
846: }
847: my $expected_number_of_inputs = (keys(%counts))[0];
1.214 albertel 848: if ( $expected_number_of_inputs > 0
849: && $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
1.196 albertel 850: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
851: $expected_number_of_inputs,
852: scalar(@Apache::inputtags::inputlist)));
853: }
854: }
855:
1.90 albertel 856: sub get_table_sizes {
1.128 sakharuk 857: my ($number_of_bubbles,$rbubble_values)=@_;
858: my $scale=2; #mm for one digit
859: my $cell_width=0;
860: foreach my $member (@$rbubble_values) {
861: my $cell_width_real=0;
1.160 albertel 862: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
1.138 sakharuk 863: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
864: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
1.128 sakharuk 865: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
1.138 sakharuk 866: } elsif ($member=~/(\d*)\.(\d*)/) {
1.132 sakharuk 867: $cell_width_real=(length($1)+length($2)+3)*$scale;
1.128 sakharuk 868: } else {
1.138 sakharuk 869: $cell_width_real=(length($member)+1)*$scale*0.9;
1.128 sakharuk 870: }
871: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
1.90 albertel 872: }
1.132 sakharuk 873: $cell_width+=8;
1.130 sakharuk 874: my $textwidth;
1.166 albertel 875: if ($env{'form.textwidth'} ne '') {
876: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
1.132 sakharuk 877: $textwidth=$1.'.'.$2;
1.130 sakharuk 878: } else {
1.166 albertel 879: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
1.132 sakharuk 880: $textwidth=$1.'.'.$2;
1.130 sakharuk 881: }
1.128 sakharuk 882: my $bubbles_per_line=int($textwidth/$cell_width);
1.151 sakharuk 883: if ($bubbles_per_line > $number_of_bubbles) {
884: $bubbles_per_line=$number_of_bubbles;
1.216 albertel 885: } elsif (($bubbles_per_line > $number_of_bubbles/2)
886: && ($number_of_bubbles % 2==0)) {
887: $bubbles_per_line=$number_of_bubbles/2;
888: }
889: if ($bubbles_per_line < 1) {
890: $bubbles_per_line=1;
891: }
1.128 sakharuk 892: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
1.90 albertel 893: my @table_range = ();
1.128 sakharuk 894: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
895: if ($number_of_bubbles % $bubbles_per_line) {
1.90 albertel 896: $number_of_tables++;
1.128 sakharuk 897: push @table_range,($number_of_bubbles % $bubbles_per_line);
1.90 albertel 898: }
1.128 sakharuk 899: $cell_width-=8;
1.136 sakharuk 900: $cell_width=$cell_width*3/4;
1.128 sakharuk 901: return ($cell_width,$number_of_tables,@table_range);
1.90 albertel 902: }
903:
904: sub format_number {
1.153 albertel 905: my ($number,$format,$target,$safeeval)=@_;
1.90 albertel 906: my $ans;
1.153 albertel 907: if ($format eq '') {
1.90 albertel 908: #What is the number? (integer,decimal,floating point)
1.187 albertel 909: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
1.113 sakharuk 910: $format = '3e';
1.90 albertel 911: } elsif ($number=~/^(\d*)\.(\d*)$/) {
912: $format = '4f';
913: } elsif ($number=~/^(\d*)$/) {
914: $format = 'd';
915: }
916: }
1.156 albertel 917: if (!$Apache::lonxml::default_homework_loaded) {
918: &Apache::lonxml::default_homework_load($safeeval);
919: }
1.153 albertel 920: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
1.90 albertel 921: return $ans;
922: }
923:
924: sub make_numerical_bubbles {
1.184 albertel 925: my ($part,$id,$target,$parstack,$safeeval) =@_;
1.215 albertel 926:
927: if (!%answer) {
928: &Apache::lonxml::error(&mt("No answers defined for response [_1] in part [_2] to make bubbles for.",$id,$part));
929: return ([],[],undef);
930: }
1.184 albertel 931:
932: my $number_of_bubbles =
933: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
934:
935: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
1.201 albertel 936: my $name = (exists($answer{$tag_internal_answer_name})
937: ? $tag_internal_answer_name
938: : (sort(keys(%answer)))[0]);
939:
940: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
941: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
942: }
943: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
944: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
945: }
946:
947: my $answer = $answer{$name}{'answers'}[0][0];
1.184 albertel 948: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
949: $safeeval);
950: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
951:
1.158 albertel 952: my @bubble_values=();
1.184 albertel 953: my @alphabet=('A'..'Z');
954:
955: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
1.119 albertel 956: my @oldseed=&Math::Random::random_get_seed();
1.184 albertel 957: if (@incorrect) {
958: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
959: if (defined($incorrect[0]) &&
960: scalar(@incorrect)+1 >= $number_of_bubbles) {
961: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
1.117 albertel 962: &Apache::response::setrandomnumber();
1.184 albertel 963: my @rand_inc=&Math::Random::random_permutation(@incorrect);
1.117 albertel 964: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
965: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
1.184 albertel 966: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
1.119 albertel 967: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 968:
969: my $correct;
970: for(my $i=0; $i<=$#bubble_values;$i++) {
971: if ($bubble_values[$i] eq $answer) {
972: $correct = $alphabet[$i];
973: last;
974: }
975: }
976:
1.134 albertel 977: if (defined($format) && $format ne '') {
1.158 albertel 978: my @bubble_display;
1.137 albertel 979: foreach my $value (@bubble_values) {
1.158 albertel 980: push(@bubble_display,
981: &format_number($value,$format,$target,$safeeval));
1.134 albertel 982: }
1.184 albertel 983: return (\@bubble_values,\@bubble_display,$correct);
1.158 albertel 984: } else {
1.184 albertel 985: return (\@bubble_values,\@bubble_values,$correct);
1.134 albertel 986: }
1.117 albertel 987: }
1.184 albertel 988: if (defined($incorrect[0]) &&
989: scalar(@incorrect)+1 < $number_of_bubbles) {
990: &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 991: }
1.117 albertel 992: }
1.90 albertel 993: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
1.126 albertel 994: my @powers = (1..$number_of_bubbles);
1.90 albertel 995: &Apache::response::setrandomnumber();
996: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
997: my $power = $powers[$ind];
998: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
999: my $factor = $factors[$ind];
1.158 albertel 1000: my @bubble_display;
1.222 www 1001: my $answerfactor=$answer;
1002: if ($answer==0) {
1003: $answerfactor=&Math::Random::random_uniform_integer(1,1,100)/
1004: &Math::Random::random_uniform_integer(1,1,10);
1005: }
1.90 albertel 1006: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.222 www 1007: $bubble_values[$ind] = $answerfactor*($factor**($power-$powers[$#powers-$ind]));
1.158 albertel 1008: $bubble_display[$ind] = &format_number($bubble_values[$ind],
1.153 albertel 1009: $format,$target,$safeeval);
1.90 albertel 1010: }
1.184 albertel 1011: my $correct = $alphabet[$number_of_bubbles-$power];
1.222 www 1012: if ($answer==0) {
1013: $correct='A';
1014: $bubble_values[0]=0;
1015: $bubble_display[0] = &format_number($bubble_values[0],
1016: $format,$target,$safeeval);
1017: }
1.119 albertel 1018: &Math::Random::random_set_seed(@oldseed);
1.184 albertel 1019: return (\@bubble_values,\@bubble_display,$correct);
1.51 albertel 1020: }
1021:
1022: sub get_tolrange {
1.89 albertel 1023: my ($ans,$tol)=@_;
1024: my ($high,$low);
1025: if ($tol =~ /%$/) {
1026: chop($tol);
1027: my $change=$ans*($tol/100.0);
1028: $high=$ans+$change;
1029: $low=$ans-$change;
1030: } else {
1031: $high=$ans+$tol;
1032: $low=$ans-$tol;
1033: }
1034: return ($high,$low);
1.52 albertel 1035: }
1036:
1037: sub get_sigrange {
1.89 albertel 1038: my ($sig)=@_;
1.195 albertel 1039: #&Apache::lonxml::debug("Got a sig of :$sig:");
1.166 albertel 1040: my $courseid=$env{'request.course.id'};
1.219 albertel 1041: if ($env{'request.state'} ne 'construct'
1042: && lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
1.147 albertel 1043: return (15,0);
1044: }
1.89 albertel 1045: my $sig_lbound;
1046: my $sig_ubound;
1047: if ($sig eq '') {
1048: $sig_lbound = 0; #SIG_LB_DEFAULT
1049: $sig_ubound =15; #SIG_UB_DEFAULT
1050: } else {
1051: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
1.145 albertel 1052: if (!defined($sig_lbound)) {
1.89 albertel 1053: $sig_lbound = 0; #SIG_LB_DEFAULT
1054: $sig_ubound =15; #SIG_UB_DEFAULT
1055: }
1.145 albertel 1056: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
1.133 albertel 1057: }
1058: if (($sig_ubound<$sig_lbound) ||
1059: ($sig_lbound > 15) ||
1060: ($sig =~/(\+|-)/ ) ) {
1061: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
1.166 albertel 1062: if ($env{'request.state'} eq 'construct') {
1.133 albertel 1063: $errormsg.=
1064: &Apache::loncommon::help_open_topic('Significant_Figures');
1065: }
1066: &Apache::lonxml::error($errormsg);
1.52 albertel 1067: }
1.89 albertel 1068: return ($sig_ubound,$sig_lbound);
1.34 albertel 1069: }
1070:
1.212 albertel 1071: sub format_prior_response_string {
1072: my ($mode,$answer) =@_;
1073: return '<span class="LC_prior_string">'.
1074: &HTML::Entities::encode($answer,'"<>&').'</span>';
1.211 albertel 1075: }
1076:
1.34 albertel 1077: sub start_stringresponse {
1.89 albertel 1078: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1079: my $result;
1.122 albertel 1080: my $id = &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1081: if ($target eq 'meta') {
1082: $result=&Apache::response::meta_package_write('stringresponse');
1.122 albertel 1083: } elsif ($target eq 'edit') {
1084: $result.=&Apache::edit::tag_start($target,$token);
1085: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
1086: $result.=&Apache::edit::select_arg('Type:','type',
1087: [['cs','Case Sensitive'],['ci','Case Insensitive'],
1088: ['mc','Case Insensitive, Any Order'],
1089: ['re','Regular Expression']],$token);
1.152 albertel 1090: $result.=&Apache::edit::text_arg('String to display for answer:',
1091: 'answerdisplay',$token);
1.122 albertel 1092: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1093: } elsif ($target eq 'modified') {
1.146 albertel 1094: my $constructtag;
1095: $constructtag=&Apache::edit::get_new_args($token,$parstack,
1096: $safeeval,'answer',
1097: 'type','answerdisplay');
1098: if ($constructtag) {
1099: $result = &Apache::edit::rebuild_tag($token);
1100: $result.=&Apache::edit::handle_insert();
1101: }
1102: } elsif ($target eq 'web') {
1103: if ( &Apache::response::show_answer() ) {
1.152 albertel 1104: my $answer=
1105: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1106: if (!defined $answer || $answer eq '') {
1107: $answer=
1108: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
1109: }
1.195 albertel 1110: $Apache::inputtags::answertxt{$id}=[$answer];
1.146 albertel 1111: }
1.122 albertel 1112: } elsif ($target eq 'answer' || $target eq 'grade') {
1113: &Apache::response::reset_params();
1.89 albertel 1114: }
1115: return $result;
1.34 albertel 1116: }
1117:
1118: sub end_stringresponse {
1.122 albertel 1119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.189 albertel 1120:
1.122 albertel 1121: my $result = '';
1122: my $part=$Apache::inputtags::part;
1123: my $id=$Apache::inputtags::response[-1];
1124: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1125: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
1.129 www 1126: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
1.122 albertel 1127: &Apache::lonxml::debug("current $answer ".$token->[2]);
1128: if (!$Apache::lonxml::default_homework_loaded) {
1129: &Apache::lonxml::default_homework_load($safeeval);
1130: }
1.162 albertel 1131: if ( $target eq 'grade' && &Apache::response::submitted() ) {
1.140 albertel 1132: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1133: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
1134: if ($Apache::lonhomework::type eq 'exam' ||
1.162 albertel 1135: &Apache::response::submitted('scantron')) {
1.189 albertel 1136: &Apache::response::scored_response($part,$id);
1137:
1.122 albertel 1138: } else {
1139: my $response = &Apache::response::getresponse();
1140: if ( $response =~ /[^\s]/) {
1141: my %previous = &Apache::response::check_for_previous($response,
1142: $part,$id);
1143: &Apache::lonxml::debug("submitted a $response<br>\n");
1144: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
1145: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
1146: $response;
1.142 albertel 1147: my ($ad,$msg);
1.122 albertel 1148: if ($type eq 're' ) {
1149: # if the RE wasn't in a var it likely got munged,
1150: # thus grab it from the var directly
1151: # my $testans=$token->[2]->{'answer'};
1152: # if ($testans !~ m/^\s*\$/) {
1153: # $answer=$token->[2]->{'answer'};
1154: # }
1.143 albertel 1155: ${$safeeval->varglob('LONCAPA::response')}=$response;
1.179 albertel 1156: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
1.122 albertel 1157: &Apache::lonxml::debug("current $response");
1158: &Apache::lonxml::debug("current $answer");
1159: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
1160: } else {
1.195 albertel 1161: my @args = ('type');
1162: my $args_ref = &setup_capa_args($safeeval,$parstack,
1163: \@args,$response);
1164:
1165: &add_in_tag_answer($parstack,$safeeval);
1166: my (@final_awards,@final_msgs,@names);
1167: foreach my $name (keys(%answer)) {
1168: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1169: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1170: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1171: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1172: my ($awards)=split(/:/,$result);
1173: my (@awards) = split(/,/,$awards);
1174: ($ad,$msg) =
1175: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1176: push(@final_awards,$ad);
1177: push(@final_msgs,$msg);
1178: push(@names,$name);
1179: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1.122 albertel 1180: }
1.195 albertel 1181: my ($ad, $msg, $name) =
1182: &Apache::inputtags::finalizeawards(\@final_awards,
1183: \@final_msgs,
1184: \@names,1);
1.122 albertel 1185: }
1.163 albertel 1186: if ($Apache::lonhomework::type eq 'survey' &&
1187: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1188: $ad eq 'EXACT_ANS')) {
1189: $ad='SUBMITTED';
1190: }
1.122 albertel 1191: &Apache::response::handle_previous(\%previous,$ad);
1192: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1.142 albertel 1193: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1.122 albertel 1194: }
1195: }
1196: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.200 albertel 1197: &add_in_tag_answer($parstack,$safeeval);
1.122 albertel 1198: if ($target eq 'analyze') {
1199: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1.125 albertel 1200: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1.154 albertel 1201: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1202: 'answer');
1.122 albertel 1203: }
1.140 albertel 1204: &Apache::response::setup_params('stringresponse',$safeeval);
1.122 albertel 1205: if ($target eq 'answer') {
1.125 albertel 1206: $result.=&Apache::response::answer_header('stringresponse');
1.122 albertel 1207: }
1.200 albertel 1208: foreach my $name (keys(%answer)) {
1209: my @answers = @{ $answer{$name}{'answers'} };
1210: for (my $i=0;$i<=$#answers;$i++) {
1211: my $answer_part = $answers[$i];
1212: foreach my $element (@{$answer_part}) {
1213: if ($target eq 'answer') {
1214: $result.=&Apache::response::answer_part('stringresponse',
1215: $element);
1216: } elsif ($target eq 'analyze') {
1217: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1218: $element);
1219: }
1220: }
1221: if ($target eq 'answer' && $type eq 're') {
1.178 albertel 1222: $result.=&Apache::response::answer_part('stringresponse',
1223: $answerdisplay);
1224: }
1.122 albertel 1225: }
1.200 albertel 1226: }
1.122 albertel 1227: my $string='Case Insensitive';
1228: if ($type eq 'mc') {
1229: $string='Multiple Choice';
1230: } elsif ($type eq 'cs') {
1231: $string='Case Sensitive';
1232: } elsif ($type eq 'ci') {
1233: $string='Case Insensitive';
1234: } elsif ($type eq 're') {
1235: $string='Regular Expression';
1236: }
1237: if ($target eq 'answer') {
1.166 albertel 1238: if ($env{'form.answer_output_mode'} eq 'tex') {
1.125 albertel 1239: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1240: "$string");
1241: } else {
1.125 albertel 1242: $result.=&Apache::response::answer_part('stringresponse',
1.122 albertel 1243: "<b>$string</b>");
1244: }
1245: } elsif ($target eq 'analyze') {
1246: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1247: $type);
1248: }
1249: if ($target eq 'answer') {
1.125 albertel 1250: $result.=&Apache::response::answer_footer('stringresponse');
1.122 albertel 1251: }
1252: } elsif ($target eq 'edit') {
1253: $result.='</td></tr>'.&Apache::edit::end_table;
1.211 albertel 1254: } elsif ($target eq 'web' || $target eq 'tex') {
1.212 albertel 1255: &Apache::response::setup_prior_tries_hash(\&format_prior_response_string);
1.122 albertel 1256: }
1257: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1258: $target eq 'tex' || $target eq 'analyze') {
1.220 albertel 1259: &Apache::lonxml::increment_counter(&Apache::response::repetition(),
1260: "$part.$id");
1261: if ($target eq 'analyze') {
1262: &Apache::lonhomework::set_bubble_lines();
1263: }
1.122 albertel 1264: }
1265: &Apache::response::end_response;
1266: return $result;
1.44 albertel 1267: }
1268:
1269: sub start_formularesponse {
1.89 albertel 1270: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1271: my $result;
1272: if ($target eq 'meta') {
1.104 bowersj2 1273: &Apache::response::start_response($parstack,$safeeval);
1.89 albertel 1274: $result=&Apache::response::meta_package_write('formularesponse');
1.104 bowersj2 1275: &Apache::response::end_response();
1.89 albertel 1276: } else {
1277: $result.=&start_numericalresponse(@_);
1278: }
1279: return $result;
1.44 albertel 1280: }
1281:
1282: sub end_formularesponse {
1.89 albertel 1283: return end_numericalresponse(@_);
1.3 albertel 1284: }
1285:
1.1 albertel 1286: 1;
1.3 albertel 1287: __END__
1.89 albertel 1288:
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