1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.199 2006/12/11 17:37:44 www Exp $
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: #
28:
29: package Apache::caparesponse;
30: use strict;
31: use capa;
32: use Safe::Hole;
33: use Apache::lonmaxima();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Storable qw(dclone);
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
40: }
41:
42: my %answer;
43: my $cur_name;
44: my $tag_internal_answer_name = 'INTERNAL';
45:
46: sub start_answer {
47: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
48: my $result;
49: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
50: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
51: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
52: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
53: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
54: }
55: if (!defined($type)) { $type = 'ordered' };
56: $answer{$cur_name}= { 'type' => $type,
57: 'answers' => [] };
58: return $result;
59: }
60:
61: sub end_answer {
62: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
63: my $result;
64: undef($cur_name);
65: return $result;
66: }
67:
68: sub start_answergroup {
69: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
70: my $result;
71: return $result;
72: }
73:
74: sub end_answergroup {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
76: my $result;
77: if ($target eq 'web') {
78: if ( &Apache::response::show_answer() ) {
79: my $partid = $Apache::inputtags::part;
80: my $id = $Apache::inputtags::response[-1];
81: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
82: $target,$token,$tagstack,$parstack,$parser,
83: $safeeval,-2);
84: }
85: }
86: return $result;
87: }
88:
89: sub start_value {
90: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
91: my $result;
92: if ( $target eq 'web' || $target eq 'tex' ||
93: $target eq 'grade' || $target eq 'webgrade' ||
94: $target eq 'answer' || $target eq 'analyze' ) {
95: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
96: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
97: $$parstack[-1]);
98:
99: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
100:
101: }
102: return $result;
103: }
104:
105: sub end_value {
106: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
107: my $result;
108: return $result;
109: }
110:
111: sub start_vector {
112: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
113: my $result;
114: if ( $target eq 'web' || $target eq 'tex' ||
115: $target eq 'grade' || $target eq 'webgrade' ||
116: $target eq 'answer' || $target eq 'analyze' ) {
117: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
118: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
119: if (@values == 1) {
120: @values = split(',',$values[0]);
121: }
122: push(@{ $answer{$cur_name}{'answers'} },\@values);
123: }
124: return $result;
125: }
126:
127: sub end_vector {
128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
129: my $result;
130: return $result;
131: }
132:
133: sub start_array {
134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
135: my $result;
136: if ( $target eq 'web' || $target eq 'tex' ||
137: $target eq 'grade' || $target eq 'webgrade' ||
138: $target eq 'answer' || $target eq 'analyze' ) {
139: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
140: my @values = &Apache::run::evaluate($bodytext,$safeeval,
141: $$parstack[-1]);
142: push(@{ $answer{$cur_name}{'answers'} },@values);
143: }
144: return $result;
145: }
146:
147: sub end_array {
148: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
149: my $result;
150: return $result;
151: }
152:
153: sub start_unit {
154: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
155: my $result;
156: return $result;
157: }
158:
159: sub end_unit {
160: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
161: my $result;
162: return $result;
163: }
164:
165: sub start_numericalresponse {
166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
167: &Apache::lonxml::register('Apache::caparesponse',
168: ('answer','answergroup','value','array','unit',
169: 'vector'));
170: my $id = &Apache::response::start_response($parstack,$safeeval);
171: my $result;
172: undef(%answer);
173: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
174: if ($target eq 'edit') {
175: $result.=&Apache::edit::tag_start($target,$token);
176: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
177: if ($token->[1] eq 'numericalresponse') {
178: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
179: $token).
180: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
181: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
182: &Apache::loncommon::help_open_topic('Physical_Units');
183: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
184: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
185: } elsif ($token->[1] eq 'formularesponse') {
186: $result.=&Apache::edit::text_arg('Sample Points:','samples',
187: $token,40).
188: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
189: }
190: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
191: } elsif ($target eq 'modified') {
192: my $constructtag;
193: if ($token->[1] eq 'numericalresponse') {
194: $constructtag=&Apache::edit::get_new_args($token,$parstack,
195: $safeeval,'answer',
196: 'incorrect','unit',
197: 'format');
198: } elsif ($token->[1] eq 'formularesponse') {
199: $constructtag=&Apache::edit::get_new_args($token,$parstack,
200: $safeeval,'answer',
201: 'samples');
202: }
203: if ($constructtag) {
204: $result = &Apache::edit::rebuild_tag($token);
205: $result.=&Apache::edit::handle_insert();
206: }
207: } elsif ($target eq 'meta') {
208: $result=&Apache::response::meta_package_write('numericalresponse');
209: } elsif ($target eq 'answer' || $target eq 'grade') {
210: &Apache::response::reset_params();
211: } elsif ($target eq 'web') {
212: my $partid = $Apache::inputtags::part;
213: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
214: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
215: #no way to enter units, with radio buttons
216: if (lc($hideunit) eq "yes") {
217: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
218: $safeeval);
219: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
220: }
221: if ( &Apache::response::show_answer() ) {
222: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
223: $parstack,$parser,$safeeval,-1);
224: }
225: }
226: return $result;
227: }
228:
229: sub set_answertext {
230: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
231: $response_level) = @_;
232: &add_in_tag_answer($parstack,$safeeval,$response_level);
233:
234: return if ($name eq '' || !ref($answer{$name}));
235:
236: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
237: $safeeval,$response_level);
238: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
239: $response_level);
240:
241: &Apache::lonxml::debug("answer looks to be $name");
242: my @answertxt;
243: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
244: my $answertxt;
245: my $answer=$answer{$name}{'answers'}[$i];
246: foreach my $element (@$answer) {
247: if ( scalar(@$tagstack)
248: && $tagstack->[$response_level] ne 'numericalresponse') {
249: $answertxt.=$element.',';
250: } else {
251: my $format;
252: if ($#formats > 0) {
253: $format=$formats[$i];
254: } else {
255: $format=$formats[0];
256: }
257: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
258: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
259: my $formatted=&format_number($element,$format,$target,
260: $safeeval);
261: $answertxt.=' '.$formatted.',';
262: }
263:
264: }
265: chop($answertxt);
266: if ($target eq 'web') {
267: $answertxt.=" $unit ";
268: }
269:
270: push(@answertxt,$answertxt)
271: }
272:
273: my $id = $Apache::inputtags::response[-1];
274: $Apache::inputtags::answertxt{$id}=\@answertxt;
275: }
276:
277: sub setup_capa_args {
278: my ($safeeval,$parstack,$args,$response) = @_;
279: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
280: undef(%{ $args_ref });
281:
282: foreach my $arg (@{$args}) {
283: $$args_ref{$arg}=
284: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
285: }
286: foreach my $key (keys(%Apache::inputtags::params)) {
287: $$args_ref{$key}=$Apache::inputtags::params{$key};
288: }
289: &setup_capa_response($args_ref,$response);
290: return $args_ref;
291: }
292:
293: sub setup_capa_response {
294: my ($args_ref,$response) = @_;
295:
296: use Data::Dumper;
297: &Apache::lonxml::debug("response dump is ".&Dumper($response));
298:
299: if (ref($response)) {
300: $$args_ref{'response'}=dclone($response);
301: } else {
302: $$args_ref{'response'}=dclone([$response]);
303: }
304: }
305:
306: sub check_submission {
307: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
308: my @args = ('type','tol','sig','format','unit','calc','samples');
309: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
310:
311: my $hideunit=
312: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
313: #no way to enter units, with radio buttons
314: if ($Apache::lonhomework::type eq 'exam' ||
315: lc($hideunit) eq "yes") {
316: delete($$args_ref{'unit'});
317: }
318: #sig fig don't make much sense either
319: if (($Apache::lonhomework::type eq 'exam' ||
320: &Apache::response::submitted('scantron') ||
321: $ignore_sig) &&
322: $tag eq 'numericalresponse') {
323: delete($$args_ref{'sig'});
324: }
325:
326: if ($tag eq 'formularesponse') {
327: if ($$args_ref{'samples'}) {
328: $$args_ref{'type'}='fml';
329: } else {
330: $$args_ref{'type'}='math';
331: }
332: } elsif ($tag eq 'numericalresponse') {
333: $$args_ref{'type'}='float';
334: }
335:
336: &add_in_tag_answer($parstack,$safeeval);
337:
338: my (@final_awards,@final_msgs,@names);
339: foreach my $name (keys(%answer)) {
340: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
341:
342: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
343: &setup_capa_response($args_ref,$response);
344: use Time::HiRes;
345: my $t0 = [Time::HiRes::gettimeofday()];
346: my ($result,@msgs) =
347: &Apache::run::run("&caparesponse_check_list()",$safeeval);
348: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
349: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
350: my ($awards)=split(/:/,$result);
351: my @awards= split(/,/,$awards);
352: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
353: push(@final_awards,$ad);
354: push(@final_msgs,$msg);
355: push(@names,$name);
356: }
357: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
358: \@final_msgs,
359: \@names,1);
360: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
361: return($ad,$msg, $name);
362: }
363:
364: sub add_in_tag_answer {
365: my ($parstack,$safeeval,$response_level) = @_;
366: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
367: $response_level);
368: &Apache::lonxml::debug('answer is'.join(':',@answer));
369: if (@answer && defined($answer[0])) {
370: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
371: 'answers' => [\@answer] };
372: }
373: }
374:
375: sub end_numericalresponse {
376: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
377: my $increment=1;
378: my $result = '';
379: if (!$Apache::lonxml::default_homework_loaded) {
380: &Apache::lonxml::default_homework_load($safeeval);
381: }
382: my $partid = $Apache::inputtags::part;
383: my $id = $Apache::inputtags::response[-1];
384: my $tag;
385: my $safehole = new Safe::Hole;
386: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
387: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
388:
389: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
390: if ( $target eq 'grade' && &Apache::response::submitted() ) {
391: &Apache::response::setup_params($tag,$safeeval);
392: if ($Apache::lonhomework::type eq 'exam' &&
393: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
394: $increment=&Apache::response::scored_response($partid,$id);
395: } else {
396: my $response = &Apache::response::getresponse();
397: if ( $response =~ /[^\s]/) {
398: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
399: &Apache::lonxml::debug("submitted a $response<br>\n");
400: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
401:
402: if ( &Apache::response::submitted('scantron')) {
403: my ($values,$display)=&make_numerical_bubbles($partid,$id,
404: $target,$parstack,$safeeval);
405: $response=$values->[$response];
406: }
407: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
408: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
409: $tag,$parstack,
410: $safeeval);
411:
412: &Apache::lonxml::debug('ad is'.$ad);
413: if ($ad eq 'SIG_FAIL') {
414: my ($sig_u,$sig_l)=
415: &get_sigrange($Apache::inputtags::params{'sig'});
416: $msg=join(':',$msg,$sig_l,$sig_u);
417: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
418: $Apache::inputtags::params{'sig'});
419: }
420: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
421: if ($Apache::lonhomework::type eq 'survey' &&
422: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
423: $ad eq 'EXACT_ANS')) {
424: $ad='SUBMITTED';
425: }
426: &Apache::response::handle_previous(\%previous,$ad);
427: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
428: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
429: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
430: $result='';
431: }
432: }
433: } elsif ($target eq 'web' || $target eq 'tex') {
434: &check_for_answer_errors($parstack,$safeeval);
435: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
436: my $status = $Apache::inputtags::status['-1'];
437: if ($Apache::lonhomework::type eq 'exam') {
438: # FIXME support multi dimensional numerical problems
439: # in exam bubbles
440: my ($bubble_values,$bubble_display)=
441: &make_numerical_bubbles($partid,$id,$target,$parstack,
442: $safeeval);
443: my $number_of_bubbles = scalar(@{ $bubble_values });
444: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
445: $safeeval);
446: my @alphabet=('A'..'Z');
447: if ($target eq 'web') {
448: if ($tag eq 'numericalresponse') {
449: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
450: $result.= '<table border="1"><tr>';
451: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
452: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
453: my $checked='';
454: if ($previous eq $bubble_values->[$ind]) {
455: $checked=" checked='on' ";
456: }
457: $result.='<td><input type="radio" name="HWVAL_'.$id.
458: '" value="'.$bubble_values->[$ind].'" '.$checked
459: .' /><b>'.$alphabet[$ind].'</b>: '.
460: $bubble_display->[$ind].'</td>';
461: }
462: $result.='</tr></table>';
463: }
464: } elsif ($target eq 'tex') {
465: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
466: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
467: }
468: if ($tag eq 'numericalresponse') {
469: my ($celllength,$number_of_tables,@table_range)=
470: &get_table_sizes($number_of_bubbles,$bubble_display);
471: my $j=0;
472: my $cou=0;
473: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
474: for (my $i=0;$i<$number_of_tables;$i++) {
475: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
476: for (my $ind=0;$ind<$table_range[$j];$ind++) {
477: $result.='p{3 mm}p{'.$celllength.' mm}';
478: }
479: $result.='}';
480: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
481: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
482: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
483: }
484: $cou += $table_range[$j];
485: $j++;
486: $result.='\\\\\end{tabular}\vskip 0 mm ';
487: }
488: $result.='\end{enumerate}';
489: } else {
490: $increment = &Apache::response::repetition();
491: }
492: }
493: }
494: } elsif ($target eq 'edit') {
495: $result.='</td></tr>'.&Apache::edit::end_table;
496: } elsif ($target eq 'answer' || $target eq 'analyze') {
497: my $part_id="$partid.$id";
498: if ($target eq 'analyze') {
499: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
500: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
501: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
502: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
503: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
504: &Apache::response::check_if_computed($token,$parstack,
505: $safeeval,'answer');
506: }
507: if (scalar(@$tagstack)) {
508: &Apache::response::setup_params($tag,$safeeval);
509: }
510: &add_in_tag_answer($parstack,$safeeval);
511: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
512:
513: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
514:
515: if ($target eq 'answer') {
516: $result.=&Apache::response::answer_header($tag,undef,
517: scalar(keys(%answer)));
518: if ($tag eq 'numericalresponse'
519: && $Apache::lonhomework::type eq 'exam') {
520: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
521: $id,$target,$parstack,$safeeval);
522: $result.=&Apache::response::answer_part($tag,$correct);
523: }
524: }
525: foreach my $name (sort(keys(%answer))) {
526: my @answers = @{ $answer{$name}{'answers'} };
527: my ($sigline,$tolline);
528: if ($name ne $tag_internal_answer_name
529: || scalar(keys(%answer)) > 1) {
530: $result.=&Apache::response::answer_part($tag,$name);
531: }
532: for(my $i=0;$i<=$#answers;$i++) {
533: my $ans=$answers[$i];
534: my $fmt=$formats[0];
535: if (@formats && $#formats) {$fmt=$formats[$i];}
536: my ($sighigh,$siglow);
537: if ($Apache::inputtags::params{'sig'}) {
538: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
539: }
540: my @vector;
541: if (ref($ans)) {
542: @vector = @{ $ans };
543: } else {
544: @vector = ($ans);
545: }
546: if ($target eq 'answer') {
547: my @all_answer_info;
548: foreach my $element (@vector) {
549: my ($high,$low);
550: if ($Apache::inputtags::params{'tol'}) {
551: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
552: }
553: if ($fmt && $tag eq 'numericalresponse') {
554: $fmt=~s/e/E/g;
555: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
556: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
557: $element = &format_number($element,$fmt,$target,$safeeval);
558: #if ($high) {
559: # $high=&format_number($high,$fmt,$target,$safeeval);
560: # $low =&format_number($low,$fmt,$target,$safeeval);
561: #}
562: }
563: if ($high && $tag eq 'numericalresponse') {
564: $element.=' ['.$low.','.$high.']';
565: $tolline .= "[$low, $high]";
566: }
567: if (defined($sighigh) && $tag eq 'numericalresponse') {
568: if ($env{'form.answer_output_mode'} eq 'tex') {
569: $element.= " Sig $siglow - $sighigh";
570: } else {
571: $element.= " Sig <i>$siglow - $sighigh</i>";
572: $sigline .= "[$siglow, $sighigh]";
573: }
574: }
575: push(@all_answer_info,$element);
576: }
577: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
578: } elsif ($target eq 'analyze') {
579: my ($high,$low);
580: if ($Apache::inputtags::params{'tol'}) {
581: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
582: }
583: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
584: if ($high) {
585: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
586: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
587: }
588: if ($fmt) {
589: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
590: }
591: }
592: }
593:
594: my @fmt_ans;
595: for(my $i=0;$i<=$#answers;$i++) {
596: my $ans=$answers[$i];
597: my $fmt=$formats[0];
598: if (@formats && $#formats) {$fmt=$formats[$i];}
599: foreach my $element (@$ans) {
600: if ($fmt && $tag eq 'numericalresponse') {
601: $fmt=~s/e/E/g;
602: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
603: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
604: $element = &format_number($element,$fmt,$target,
605: $safeeval);
606: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
607: }
608: }
609: push(@fmt_ans,join(',',@$ans));
610: }
611: my $response=\@fmt_ans;
612:
613: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
614: $id.'.turnoffunit');
615: if ($unit ne '' &&
616: ! ($Apache::lonhomework::type eq 'exam' ||
617: lc($hideunit) eq "yes") ) {
618: my $cleanunit=$unit;
619: $cleanunit=~s/\$\,//g;
620: foreach my $ans (@fmt_ans) {
621: $ans.=" $cleanunit";
622: }
623: }
624: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
625: $parstack,$safeeval);
626: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
627: my $error;
628: if ($tag eq 'formularesponse') {
629: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
630: } else {
631: # answer failed check if it is sig figs that is failing
632: my ($ad,$msg)=&check_submission($response,$partid,$id,
633: $tag,$parstack,
634: $safeeval,1);
635: if ($sigline ne '') {
636: $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);
637: } else {
638: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
639: }
640: }
641: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
642: &Apache::lonxml::error($error);
643: } else {
644: &Apache::lonxml::warning($error);
645: }
646: }
647:
648: if (defined($unit) and ($unit ne '') and
649: $tag eq 'numericalresponse') {
650: if ($target eq 'answer') {
651: if ($env{'form.answer_output_mode'} eq 'tex') {
652: $result.=&Apache::response::answer_part($tag,
653: " Unit: $unit ");
654: } else {
655: $result.=&Apache::response::answer_part($tag,
656: "Unit: <b>$unit</b>");
657: }
658: } elsif ($target eq 'analyze') {
659: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
660: }
661: }
662: if ($tag eq 'formularesponse' && $target eq 'answer') {
663: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
664: $result.=&Apache::response::answer_part($tag,$samples);
665: }
666: $result.=&Apache::response::next_answer($tag,$name);
667: }
668: if ($target eq 'answer') {
669: $result.=&Apache::response::answer_footer($tag);
670: }
671: }
672: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
673: $target eq 'tex' || $target eq 'analyze') {
674: &Apache::lonxml::increment_counter($increment);
675: }
676: &Apache::response::end_response();
677: return $result;
678: }
679:
680: sub check_for_answer_errors {
681: my ($parstack,$safeeval) = @_;
682: &add_in_tag_answer($parstack,$safeeval);
683: my %counts;
684: foreach my $name (keys(%answer)) {
685: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
686: }
687: if (scalar(keys(%counts)) > 1) {
688: my $counts = join(' ',map {
689: my $count = $_;
690: &mt("Answers [_1] had [_2] components.",
691: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
692: $count);
693: } (sort(keys(%counts))));
694: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
695: }
696: use Data::Dumper;
697: &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));
698: my $expected_number_of_inputs = (keys(%counts))[0];
699: if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
700: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
701: $expected_number_of_inputs,
702: scalar(@Apache::inputtags::inputlist)));
703: }
704: }
705:
706: sub get_table_sizes {
707: my ($number_of_bubbles,$rbubble_values)=@_;
708: my $scale=2; #mm for one digit
709: my $cell_width=0;
710: foreach my $member (@$rbubble_values) {
711: my $cell_width_real=0;
712: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
713: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
714: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
715: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
716: } elsif ($member=~/(\d*)\.(\d*)/) {
717: $cell_width_real=(length($1)+length($2)+3)*$scale;
718: } else {
719: $cell_width_real=(length($member)+1)*$scale*0.9;
720: }
721: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
722: }
723: $cell_width+=8;
724: my $textwidth;
725: if ($env{'form.textwidth'} ne '') {
726: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
727: $textwidth=$1.'.'.$2;
728: } else {
729: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
730: $textwidth=$1.'.'.$2;
731: }
732: my $bubbles_per_line=int($textwidth/$cell_width);
733: if ($bubbles_per_line > $number_of_bubbles) {
734: $bubbles_per_line=$number_of_bubbles;
735: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
736: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
737: my @table_range = ();
738: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
739: if ($number_of_bubbles % $bubbles_per_line) {
740: $number_of_tables++;
741: push @table_range,($number_of_bubbles % $bubbles_per_line);
742: }
743: $cell_width-=8;
744: $cell_width=$cell_width*3/4;
745: return ($cell_width,$number_of_tables,@table_range);
746: }
747:
748: sub format_number {
749: my ($number,$format,$target,$safeeval)=@_;
750: my $ans;
751: if ($format eq '') {
752: #What is the number? (integer,decimal,floating point)
753: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
754: $format = '3e';
755: } elsif ($number=~/^(\d*)\.(\d*)$/) {
756: $format = '4f';
757: } elsif ($number=~/^(\d*)$/) {
758: $format = 'd';
759: }
760: }
761: if (!$Apache::lonxml::default_homework_loaded) {
762: &Apache::lonxml::default_homework_load($safeeval);
763: }
764: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
765: return $ans;
766: }
767:
768: sub make_numerical_bubbles {
769: my ($part,$id,$target,$parstack,$safeeval) =@_;
770:
771: my $number_of_bubbles =
772: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
773:
774: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
775: my ($answer)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
776: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
777: $safeeval);
778: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
779:
780: my @bubble_values=();
781: my @alphabet=('A'..'Z');
782:
783: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
784: my @oldseed=&Math::Random::random_get_seed();
785: if (@incorrect) {
786: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
787: if (defined($incorrect[0]) &&
788: scalar(@incorrect)+1 >= $number_of_bubbles) {
789: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
790: &Apache::response::setrandomnumber();
791: my @rand_inc=&Math::Random::random_permutation(@incorrect);
792: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
793: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
794: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
795: &Math::Random::random_set_seed(@oldseed);
796:
797: my $correct;
798: for(my $i=0; $i<=$#bubble_values;$i++) {
799: if ($bubble_values[$i] eq $answer) {
800: $correct = $alphabet[$i];
801: last;
802: }
803: }
804:
805: if (defined($format) && $format ne '') {
806: my @bubble_display;
807: foreach my $value (@bubble_values) {
808: push(@bubble_display,
809: &format_number($value,$format,$target,$safeeval));
810: }
811: return (\@bubble_values,\@bubble_display,$correct);
812: } else {
813: return (\@bubble_values,\@bubble_values,$correct);
814: }
815: }
816: if (defined($incorrect[0]) &&
817: scalar(@incorrect)+1 < $number_of_bubbles) {
818: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
819: }
820: }
821: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
822: my @powers = (1..$number_of_bubbles);
823: &Apache::response::setrandomnumber();
824: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
825: my $power = $powers[$ind];
826: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
827: my $factor = $factors[$ind];
828: my @bubble_display;
829: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
830: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
831: $bubble_display[$ind] = &format_number($bubble_values[$ind],
832: $format,$target,$safeeval);
833:
834: }
835: my $correct = $alphabet[$number_of_bubbles-$power];
836: &Math::Random::random_set_seed(@oldseed);
837: return (\@bubble_values,\@bubble_display,$correct);
838: }
839:
840: sub get_tolrange {
841: my ($ans,$tol)=@_;
842: my ($high,$low);
843: if ($tol =~ /%$/) {
844: chop($tol);
845: my $change=$ans*($tol/100.0);
846: $high=$ans+$change;
847: $low=$ans-$change;
848: } else {
849: $high=$ans+$tol;
850: $low=$ans-$tol;
851: }
852: return ($high,$low);
853: }
854:
855: sub get_sigrange {
856: my ($sig)=@_;
857: #&Apache::lonxml::debug("Got a sig of :$sig:");
858: my $courseid=$env{'request.course.id'};
859: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
860: return (15,0);
861: }
862: my $sig_lbound;
863: my $sig_ubound;
864: if ($sig eq '') {
865: $sig_lbound = 0; #SIG_LB_DEFAULT
866: $sig_ubound =15; #SIG_UB_DEFAULT
867: } else {
868: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
869: if (!defined($sig_lbound)) {
870: $sig_lbound = 0; #SIG_LB_DEFAULT
871: $sig_ubound =15; #SIG_UB_DEFAULT
872: }
873: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
874: }
875: if (($sig_ubound<$sig_lbound) ||
876: ($sig_lbound > 15) ||
877: ($sig =~/(\+|-)/ ) ) {
878: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
879: if ($env{'request.state'} eq 'construct') {
880: $errormsg.=
881: &Apache::loncommon::help_open_topic('Significant_Figures');
882: }
883: &Apache::lonxml::error($errormsg);
884: }
885: return ($sig_ubound,$sig_lbound);
886: }
887:
888: sub start_stringresponse {
889: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
890: my $result;
891: my $id = &Apache::response::start_response($parstack,$safeeval);
892: if ($target eq 'meta') {
893: $result=&Apache::response::meta_package_write('stringresponse');
894: } elsif ($target eq 'edit') {
895: $result.=&Apache::edit::tag_start($target,$token);
896: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
897: $result.=&Apache::edit::select_arg('Type:','type',
898: [['cs','Case Sensitive'],['ci','Case Insensitive'],
899: ['mc','Case Insensitive, Any Order'],
900: ['re','Regular Expression']],$token);
901: $result.=&Apache::edit::text_arg('String to display for answer:',
902: 'answerdisplay',$token);
903: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
904: } elsif ($target eq 'modified') {
905: my $constructtag;
906: $constructtag=&Apache::edit::get_new_args($token,$parstack,
907: $safeeval,'answer',
908: 'type','answerdisplay');
909: if ($constructtag) {
910: $result = &Apache::edit::rebuild_tag($token);
911: $result.=&Apache::edit::handle_insert();
912: }
913: } elsif ($target eq 'web') {
914: if ( &Apache::response::show_answer() ) {
915: my $answer=
916: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
917: if (!defined $answer || $answer eq '') {
918: $answer=
919: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
920: }
921: $Apache::inputtags::answertxt{$id}=[$answer];
922: }
923: } elsif ($target eq 'answer' || $target eq 'grade') {
924: &Apache::response::reset_params();
925: }
926: return $result;
927: }
928:
929: sub end_stringresponse {
930: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
931:
932: my $result = '';
933: my $part=$Apache::inputtags::part;
934: my $id=$Apache::inputtags::response[-1];
935: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
936: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
937: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
938: &Apache::lonxml::debug("current $answer ".$token->[2]);
939: if (!$Apache::lonxml::default_homework_loaded) {
940: &Apache::lonxml::default_homework_load($safeeval);
941: }
942: if ( $target eq 'grade' && &Apache::response::submitted() ) {
943: &Apache::response::setup_params('stringresponse',$safeeval);
944: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
945: if ($Apache::lonhomework::type eq 'exam' ||
946: &Apache::response::submitted('scantron')) {
947: &Apache::response::scored_response($part,$id);
948:
949: } else {
950: my $response = &Apache::response::getresponse();
951: if ( $response =~ /[^\s]/) {
952: my %previous = &Apache::response::check_for_previous($response,
953: $part,$id);
954: &Apache::lonxml::debug("submitted a $response<br>\n");
955: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
956: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
957: $response;
958: my ($ad,$msg);
959: if ($type eq 're' ) {
960: # if the RE wasn't in a var it likely got munged,
961: # thus grab it from the var directly
962: # my $testans=$token->[2]->{'answer'};
963: # if ($testans !~ m/^\s*\$/) {
964: # $answer=$token->[2]->{'answer'};
965: # }
966: ${$safeeval->varglob('LONCAPA::response')}=$response;
967: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
968: &Apache::lonxml::debug("current $response");
969: &Apache::lonxml::debug("current $answer");
970: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
971: } else {
972: my @args = ('type');
973: my $args_ref = &setup_capa_args($safeeval,$parstack,
974: \@args,$response);
975:
976: &add_in_tag_answer($parstack,$safeeval);
977: my (@final_awards,@final_msgs,@names);
978: foreach my $name (keys(%answer)) {
979: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
980: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
981: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
982: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
983: my ($awards)=split(/:/,$result);
984: my (@awards) = split(/,/,$awards);
985: ($ad,$msg) =
986: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
987: push(@final_awards,$ad);
988: push(@final_msgs,$msg);
989: push(@names,$name);
990: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
991: }
992: my ($ad, $msg, $name) =
993: &Apache::inputtags::finalizeawards(\@final_awards,
994: \@final_msgs,
995: \@names,1);
996: }
997: if ($Apache::lonhomework::type eq 'survey' &&
998: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
999: $ad eq 'EXACT_ANS')) {
1000: $ad='SUBMITTED';
1001: }
1002: &Apache::response::handle_previous(\%previous,$ad);
1003: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1004: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1005: }
1006: }
1007: } elsif ($target eq 'answer' || $target eq 'analyze') {
1008: if ($target eq 'analyze') {
1009: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1010: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1011: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1012: 'answer');
1013: }
1014: &Apache::response::setup_params('stringresponse',$safeeval);
1015: if ($target eq 'answer') {
1016: $result.=&Apache::response::answer_header('stringresponse');
1017: }
1018: # foreach my $ans (@answers) {
1019: if ($target eq 'answer') {
1020: $result.=&Apache::response::answer_part('stringresponse',$answer);
1021: if ($type eq 're') {
1022: $result.=&Apache::response::answer_part('stringresponse',
1023: $answerdisplay);
1024: }
1025: } elsif ($target eq 'analyze') {
1026: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
1027: $answer);
1028: }
1029: # }
1030: my $string='Case Insensitive';
1031: if ($type eq 'mc') {
1032: $string='Multiple Choice';
1033: } elsif ($type eq 'cs') {
1034: $string='Case Sensitive';
1035: } elsif ($type eq 'ci') {
1036: $string='Case Insensitive';
1037: } elsif ($type eq 're') {
1038: $string='Regular Expression';
1039: }
1040: if ($target eq 'answer') {
1041: if ($env{'form.answer_output_mode'} eq 'tex') {
1042: $result.=&Apache::response::answer_part('stringresponse',
1043: "$string");
1044: } else {
1045: $result.=&Apache::response::answer_part('stringresponse',
1046: "<b>$string</b>");
1047: }
1048: } elsif ($target eq 'analyze') {
1049: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1050: $type);
1051: }
1052: if ($target eq 'answer') {
1053: $result.=&Apache::response::answer_footer('stringresponse');
1054: }
1055: } elsif ($target eq 'edit') {
1056: $result.='</td></tr>'.&Apache::edit::end_table;
1057: }
1058: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1059: $target eq 'tex' || $target eq 'analyze') {
1060: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1061: }
1062: &Apache::response::end_response;
1063: return $result;
1064: }
1065:
1066: sub start_formularesponse {
1067: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1068: my $result;
1069: if ($target eq 'meta') {
1070: &Apache::response::start_response($parstack,$safeeval);
1071: $result=&Apache::response::meta_package_write('formularesponse');
1072: &Apache::response::end_response();
1073: } else {
1074: $result.=&start_numericalresponse(@_);
1075: }
1076: return $result;
1077: }
1078:
1079: sub end_formularesponse {
1080: return end_numericalresponse(@_);
1081: }
1082:
1083: 1;
1084: __END__
1085:
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