1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.188 2006/03/09 00:41:13 albertel 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 Apache::lonlocal;
33: use Apache::lonnet;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
37: }
38:
39: my %answer;
40: my $cur_name;
41: sub start_answer {
42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
43: my $result;
44: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
45: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
46: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
47: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
48: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
49: }
50: if (!defined($type)) { $type = 'ordered' };
51: $answer{$cur_name}= { 'type' => $type,
52: 'answers' => [] };
53: return $result;
54: }
55:
56: sub end_answer {
57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
58: my $result;
59: undef($cur_name);
60: return $result;
61: }
62:
63: sub start_answergroup {
64: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
65: my $result;
66: my $id = $Apache::inputtags::response[-1];
67: my $dis = &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
68: if (defined($dis)) { $Apache::inputtags::answertxt{$id}=$dis; }
69: return $result;
70: }
71:
72: sub end_answergroup {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
74: my $result;
75: return $result;
76: }
77:
78: sub start_value {
79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
80: my $result;
81: if ( $target eq 'web' || $target eq 'tex' ||
82: $target eq 'grade' || $target eq 'webgrade' ||
83: $target eq 'answer' || $target eq 'analyze' ) {
84: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
85: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
86: $$parstack[-1]);
87: push(@{ $answer{$cur_name}{'answers'} },$bodytext);
88: }
89: return $result;
90: }
91:
92: sub end_value {
93: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
94: my $result;
95: return $result;
96: }
97:
98: sub start_array {
99: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
100: my $result;
101: if ( $target eq 'web' || $target eq 'tex' ||
102: $target eq 'grade' || $target eq 'webgrade' ||
103: $target eq 'answer' || $target eq 'analyze' ) {
104: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
105: my @values = &Apache::run::evaluate($bodytext,$safeeval,
106: $$parstack[-1]);
107: push(@{ $answer{$cur_name}{'answers'} },@values);
108: }
109: return $result;
110: }
111:
112: sub end_array {
113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
114: my $result;
115: return $result;
116: }
117:
118: sub start_unit {
119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
120: my $result;
121: return $result;
122: }
123:
124: sub end_unit {
125: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
126: my $result;
127: return $result;
128: }
129:
130: sub start_numericalresponse {
131: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
132: &Apache::lonxml::register('Apache::caparesponse',('answer','answergroup','value','array','unit'));
133: my $id = &Apache::response::start_response($parstack,$safeeval);
134: my $result;
135: undef(%answer);
136: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
137: if ($target eq 'edit') {
138: $result.=&Apache::edit::tag_start($target,$token);
139: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
140: if ($token->[1] eq 'numericalresponse') {
141: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
142: $token).
143: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
144: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
145: &Apache::loncommon::help_open_topic('Physical_Units');
146: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
147: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
148: } elsif ($token->[1] eq 'formularesponse') {
149: $result.=&Apache::edit::text_arg('Sample Points:','samples',
150: $token,40).
151: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
152: }
153: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
154: } elsif ($target eq 'modified') {
155: my $constructtag;
156: if ($token->[1] eq 'numericalresponse') {
157: $constructtag=&Apache::edit::get_new_args($token,$parstack,
158: $safeeval,'answer',
159: 'incorrect','unit',
160: 'format');
161: } elsif ($token->[1] eq 'formularesponse') {
162: $constructtag=&Apache::edit::get_new_args($token,$parstack,
163: $safeeval,'answer',
164: 'samples');
165: }
166: if ($constructtag) {
167: $result = &Apache::edit::rebuild_tag($token);
168: $result.=&Apache::edit::handle_insert();
169: }
170: } elsif ($target eq 'meta') {
171: $result=&Apache::response::meta_package_write('numericalresponse');
172: } elsif ($target eq 'answer' || $target eq 'grade') {
173: &Apache::response::reset_params();
174: } elsif ($target eq 'web') {
175: my $partid = $Apache::inputtags::part;
176: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
177: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
178: #no way to enter units, with radio buttons
179: if (lc($hideunit) eq "yes") {
180: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
181: $safeeval);
182: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
183: }
184: if ( &Apache::response::show_answer() ) {
185: my $answertxt;
186: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
187: $safeeval);
188: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
189: $safeeval);
190: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
191: $safeeval);
192: for (my $i=0; $i <= $#answers; $i++) {
193: my $answer=$answers[$i];
194: if ( scalar(@$tagstack)
195: && $tagstack->[-1] ne 'numericalresponse') {
196: $answertxt.=$answer.',';
197: } else {
198: my $format;
199: if ($#formats > 0) {
200: $format=$formats[$i];
201: } else {
202: $format=$formats[0];
203: }
204: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
205: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
206: my $formatted=&format_number($answer,$format,$target,
207: $safeeval);
208: $answertxt.=$formatted.',';
209: }
210: }
211: chop $answertxt;
212: if ($target eq 'web') {
213: $answertxt.=" $unit ";
214: }
215: $Apache::inputtags::answertxt{$id}=$answertxt;
216: }
217: }
218: return $result;
219: }
220:
221: sub check_submission {
222: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
223: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
224: $$args_ref{'response'}=$response;
225: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
226:
227: foreach my $arg ('type','tol','sig','format','unit','calc',
228: 'samples') {
229: $$args_ref{$arg}=
230: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
231: }
232: foreach my $key (keys(%Apache::inputtags::params)) {
233: $$args_ref{$key}=$Apache::inputtags::params{$key};
234: }
235:
236: #no way to enter units, with radio buttons
237: if ($Apache::lonhomework::type eq 'exam' ||
238: lc($hideunit) eq "yes") {
239: delete($$args_ref{'unit'});
240: }
241: #sig fig don't make much sense either
242: if (($Apache::lonhomework::type eq 'exam' ||
243: &Apache::response::submitted('scantron') ||
244: $ignore_sig) &&
245: $tag eq 'numericalresponse') {
246: delete($$args_ref{'sig'});
247: }
248:
249: if ($tag eq 'formularesponse') {
250: $$args_ref{'type'}='fml';
251: } elsif ($tag eq 'numericalresponse') {
252: $$args_ref{'type'}='float';
253: }
254: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
255: &Apache::lonxml::debug('answer is'.join(':',@answer));
256: if (@answer && defined($answer[0])) {
257: $answer{'INTERNAL'}= {'type' => 'ordered',
258: 'answers' => \@answer };
259: }
260: #FIXME would be nice if we could save name so we know who graded him
261: #correct
262: my (%results,@final_awards,@final_msgs,@names);
263: foreach my $name (keys(%answer)) {
264: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
265: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@{ $answer{$name}{'answers'} };
266: my ($result,@msgs) =
267: &Apache::run::run("&caparesponse_check_list()",$safeeval);
268: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
269: my ($awards)=split(/:/,$result);
270: my @awards= split(/,/,$awards);
271: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
272: $results{$name}= [$ad,$msg];
273: push(@final_awards,$ad);
274: push(@final_msgs,$msg);
275: push(@names,$name);
276: }
277: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
278: \@final_msgs,
279: \@names,1);
280: return($ad,$msg);
281: }
282:
283: sub end_numericalresponse {
284: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
285: my $increment=1;
286: my $result = '';
287: if (!$Apache::lonxml::default_homework_loaded) {
288: &Apache::lonxml::default_homework_load($safeeval);
289: }
290: my $partid = $Apache::inputtags::part;
291: my $id = $Apache::inputtags::response[-1];
292: my $tag;
293: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
294: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
295: if ( $target eq 'grade' && &Apache::response::submitted() ) {
296: &Apache::response::setup_params($tag,$safeeval);
297: if ($Apache::lonhomework::type eq 'exam' &&
298: $tag eq 'formularesponse') {
299: $increment=&Apache::response::scored_response($partid,$id);
300: } else {
301: my $response = &Apache::response::getresponse();
302: if ( $response =~ /[^\s]/) {
303: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
304: &Apache::lonxml::debug("submitted a $response<br>\n");
305: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
306:
307: if ( &Apache::response::submitted('scantron')) {
308: my ($values,$display)=&make_numerical_bubbles($partid,$id,
309: $target,$parstack,$safeeval);
310: $response=$values->[$response];
311: }
312: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
313: my ($ad,$msg)=&check_submission($response,$partid,$id,
314: $tag,$parstack,$safeeval);
315:
316: &Apache::lonxml::debug('ad is'.$ad);
317: if ($ad eq 'SIG_FAIL') {
318: my ($sig_u,$sig_l)=
319: &get_sigrange($Apache::inputtags::params{'sig'});
320: $msg=join(':',$msg,$sig_l,$sig_u);
321: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
322: $Apache::inputtags::params{'sig'});
323: }
324: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
325: if ($Apache::lonhomework::type eq 'survey' &&
326: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
327: $ad eq 'EXACT_ANS')) {
328: $ad='SUBMITTED';
329: }
330: &Apache::response::handle_previous(\%previous,$ad);
331: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
332: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
333: $result='';
334: }
335: }
336: } elsif ($target eq 'web' || $target eq 'tex') {
337: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
338: $safeeval);
339: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
340: my $status = $Apache::inputtags::status['-1'];
341: if ($Apache::lonhomework::type eq 'exam') {
342: my ($bubble_values,$bubble_display)=
343: &make_numerical_bubbles($partid,$id,$target,$parstack,
344: $safeeval);
345: my $number_of_bubbles = scalar(@{ $bubble_values });
346: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
347: $safeeval);
348: my @alphabet=('A'..'Z');
349: if ($target eq 'web') {
350: if ($tag eq 'numericalresponse') {
351: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
352: $result.= '<table border="1"><tr>';
353: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
354: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
355: my $checked='';
356: if ($previous eq $bubble_values->[$ind]) {
357: $checked=" checked='on' ";
358: }
359: $result.='<td><input type="radio" name="HWVAL_'.$id.
360: '" value="'.$bubble_values->[$ind].'" '.$checked
361: .' /><b>'.$alphabet[$ind].'</b>: '.
362: $bubble_display->[$ind].'</td>';
363: }
364: $result.='</tr></table>';
365: }
366: } elsif ($target eq 'tex') {
367: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
368: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
369: }
370: if ($tag eq 'numericalresponse') {
371: my ($celllength,$number_of_tables,@table_range)=
372: &get_table_sizes($number_of_bubbles,$bubble_display);
373: my $j=0;
374: my $cou=0;
375: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
376: for (my $i=0;$i<$number_of_tables;$i++) {
377: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
378: for (my $ind=0;$ind<$table_range[$j];$ind++) {
379: $result.='p{3 mm}p{'.$celllength.' mm}';
380: }
381: $result.='}';
382: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
383: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
384: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
385: }
386: $cou += $table_range[$j];
387: $j++;
388: $result.='\\\\\end{tabular}\vskip 0 mm ';
389: }
390: $result.='\end{enumerate}';
391: } else {
392: $increment = &Apache::response::repetition();
393: }
394: }
395: }
396: } elsif ($target eq 'edit') {
397: $result.='</td></tr>'.&Apache::edit::end_table;
398: } elsif ($target eq 'answer' || $target eq 'analyze') {
399: my $part_id="$partid.$id";
400: if ($target eq 'analyze') {
401: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
402: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
403: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
404: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
405: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
406: &Apache::response::check_if_computed($token,$parstack,
407: $safeeval,'answer');
408: }
409: if (scalar(@$tagstack)) {
410: &Apache::response::setup_params($tag,$safeeval);
411: }
412: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
413: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
414: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
415: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
416:
417: if ($target eq 'answer') {
418: $result.=&Apache::response::answer_header($tag);
419: if ($tag eq 'numericalresponse'
420: && $Apache::lonhomework::type eq 'exam') {
421: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
422: $id,$target,$parstack,$safeeval);
423: $result.=&Apache::response::answer_part($tag,$correct);
424: }
425: }
426: my ($sigline,$tolline);
427: for(my $i=0;$i<=$#answers;$i++) {
428: my $ans=$answers[$i];
429: my $fmt=$formats[0];
430: if (@formats && $#formats) {$fmt=$formats[$i];}
431: my ($high,$low);
432: if ($Apache::inputtags::params{'tol'}) {
433: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
434: }
435: my ($sighigh,$siglow);
436: if ($Apache::inputtags::params{'sig'}) {
437: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
438: }
439: if ($fmt && $tag eq 'numericalresponse') {
440: $fmt=~s/e/E/g;
441: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
442: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
443: $ans = &format_number($ans,$fmt,$target,$safeeval);
444: #if ($high) {
445: # $high=&format_number($high,$fmt,$target,$safeeval);
446: # $low =&format_number($low,$fmt,$target,$safeeval);
447: #}
448: }
449: if ($target eq 'answer') {
450: if ($high && $tag eq 'numericalresponse') {
451: $ans.=' ['.$low.','.$high.']';
452: $tolline .= "[$low, $high]";
453: }
454: if (defined($sighigh) && $tag eq 'numericalresponse') {
455: if ($env{'form.answer_output_mode'} eq 'tex') {
456: $ans.= " Sig $siglow - $sighigh";
457: } else {
458: $ans.= " Sig <i>$siglow - $sighigh</i>";
459: $sigline .= "[$siglow, $sighigh]";
460: }
461: }
462: $result.=&Apache::response::answer_part($tag,$ans);
463: } elsif ($target eq 'analyze') {
464: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
465: if ($high) {
466: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
467: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
468: }
469: if ($fmt) {
470: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
471: }
472: }
473: }
474:
475: my @fmt_ans;
476: for(my $i=0;$i<=$#answers;$i++) {
477: my $ans=$answers[$i];
478: my $fmt=$formats[0];
479: if (@formats && $#formats) {$fmt=$formats[$i];}
480: if ($fmt && $tag eq 'numericalresponse') {
481: $fmt=~s/e/E/g;
482: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
483: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
484: $ans = &format_number($ans,$fmt,$target,$safeeval);
485: if ($fmt=~/\$/ && $unit!~/\$/) { $ans=~s/\$//; }
486: }
487: push(@fmt_ans,$ans);
488: }
489: my $response=join(', ',@fmt_ans);
490: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
491: $id.'.turnoffunit');
492: if ($unit ne '' &&
493: ! ($Apache::lonhomework::type eq 'exam' ||
494: lc($hideunit) eq "yes") ) {
495: my $cleanunit=$unit;
496: $cleanunit=~s/\$\,//g;
497: $response.=" $cleanunit";
498: }
499:
500: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
501: $parstack,$safeeval);
502: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
503: my $error;
504: if ($tag eq 'formularesponse') {
505: $error=&mt('Computer\'s answer is incorrect ("[_1]").',$response);
506: } else {
507: # answer failed check if it is sig figs that is failing
508: my ($ad,$msg)=&check_submission($response,$partid,$id,
509: $tag,$parstack,
510: $safeeval,1);
511: if ($sigline ne '') {
512: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',$response,$tolline,$sigline);
513: } else {
514: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',$response,$tolline);
515: }
516: }
517: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
518: &Apache::lonxml::error($error);
519: } else {
520: &Apache::lonxml::warning($error);
521: }
522: }
523:
524: if (defined($unit) and ($unit ne '') and
525: $tag eq 'numericalresponse') {
526: if ($target eq 'answer') {
527: if ($env{'form.answer_output_mode'} eq 'tex') {
528: $result.=&Apache::response::answer_part($tag,
529: " Unit: $unit ");
530: } else {
531: $result.=&Apache::response::answer_part($tag,
532: "Unit: <b>$unit</b>");
533: }
534: } elsif ($target eq 'analyze') {
535: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
536: }
537: }
538: if ($tag eq 'formularesponse' && $target eq 'answer') {
539: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
540: $result.=&Apache::response::answer_part($tag,$samples);
541: }
542: if ($target eq 'answer') {
543: $result.=&Apache::response::answer_footer($tag);
544: }
545: }
546: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
547: $target eq 'tex' || $target eq 'analyze') {
548: &Apache::lonxml::increment_counter($increment);
549: }
550: &Apache::response::end_response;
551: return $result;
552: }
553:
554: sub get_table_sizes {
555: my ($number_of_bubbles,$rbubble_values)=@_;
556: my $scale=2; #mm for one digit
557: my $cell_width=0;
558: foreach my $member (@$rbubble_values) {
559: my $cell_width_real=0;
560: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
561: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
562: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
563: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
564: } elsif ($member=~/(\d*)\.(\d*)/) {
565: $cell_width_real=(length($1)+length($2)+3)*$scale;
566: } else {
567: $cell_width_real=(length($member)+1)*$scale*0.9;
568: }
569: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
570: }
571: $cell_width+=8;
572: my $textwidth;
573: if ($env{'form.textwidth'} ne '') {
574: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
575: $textwidth=$1.'.'.$2;
576: } else {
577: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
578: $textwidth=$1.'.'.$2;
579: }
580: my $bubbles_per_line=int($textwidth/$cell_width);
581: if ($bubbles_per_line > $number_of_bubbles) {
582: $bubbles_per_line=$number_of_bubbles;
583: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
584: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
585: my @table_range = ();
586: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
587: if ($number_of_bubbles % $bubbles_per_line) {
588: $number_of_tables++;
589: push @table_range,($number_of_bubbles % $bubbles_per_line);
590: }
591: $cell_width-=8;
592: $cell_width=$cell_width*3/4;
593: return ($cell_width,$number_of_tables,@table_range);
594: }
595:
596: sub format_number {
597: my ($number,$format,$target,$safeeval)=@_;
598: my $ans;
599: if ($format eq '') {
600: #What is the number? (integer,decimal,floating point)
601: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
602: $format = '3e';
603: } elsif ($number=~/^(\d*)\.(\d*)$/) {
604: $format = '4f';
605: } elsif ($number=~/^(\d*)$/) {
606: $format = 'd';
607: }
608: }
609: if (!$Apache::lonxml::default_homework_loaded) {
610: &Apache::lonxml::default_homework_load($safeeval);
611: }
612: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
613: return $ans;
614: }
615:
616: sub make_numerical_bubbles {
617: my ($part,$id,$target,$parstack,$safeeval) =@_;
618:
619: my $number_of_bubbles =
620: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
621:
622: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
623: my ($answer)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
624: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
625: $safeeval);
626: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
627:
628: my @bubble_values=();
629: my @alphabet=('A'..'Z');
630:
631: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
632: my @oldseed=&Math::Random::random_get_seed();
633: if (@incorrect) {
634: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
635: if (defined($incorrect[0]) &&
636: scalar(@incorrect)+1 >= $number_of_bubbles) {
637: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
638: &Apache::response::setrandomnumber();
639: my @rand_inc=&Math::Random::random_permutation(@incorrect);
640: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
641: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
642: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
643: &Math::Random::random_set_seed(@oldseed);
644:
645: my $correct;
646: for(my $i=0; $i<=$#bubble_values;$i++) {
647: if ($bubble_values[$i] eq $answer) {
648: $correct = $alphabet[$i];
649: last;
650: }
651: }
652:
653: if (defined($format) && $format ne '') {
654: my @bubble_display;
655: foreach my $value (@bubble_values) {
656: push(@bubble_display,
657: &format_number($value,$format,$target,$safeeval));
658: }
659: return (\@bubble_values,\@bubble_display,$correct);
660: } else {
661: return (\@bubble_values,\@bubble_values,$correct);
662: }
663: }
664: if (defined($incorrect[0]) &&
665: scalar(@incorrect)+1 < $number_of_bubbles) {
666: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
667: }
668: }
669: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
670: my @powers = (1..$number_of_bubbles);
671: &Apache::response::setrandomnumber();
672: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
673: my $power = $powers[$ind];
674: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
675: my $factor = $factors[$ind];
676: my @bubble_display;
677: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
678: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
679: $bubble_display[$ind] = &format_number($bubble_values[$ind],
680: $format,$target,$safeeval);
681:
682: }
683: my $correct = $alphabet[$number_of_bubbles-$power];
684: &Math::Random::random_set_seed(@oldseed);
685: return (\@bubble_values,\@bubble_display,$correct);
686: }
687:
688: sub get_tolrange {
689: my ($ans,$tol)=@_;
690: my ($high,$low);
691: if ($tol =~ /%$/) {
692: chop($tol);
693: my $change=$ans*($tol/100.0);
694: $high=$ans+$change;
695: $low=$ans-$change;
696: } else {
697: $high=$ans+$tol;
698: $low=$ans-$tol;
699: }
700: return ($high,$low);
701: }
702:
703: sub get_sigrange {
704: my ($sig)=@_;
705: &Apache::lonxml::debug("Got a sig of :$sig:");
706: my $courseid=$env{'request.course.id'};
707: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
708: return (15,0);
709: }
710: my $sig_lbound;
711: my $sig_ubound;
712: if ($sig eq '') {
713: $sig_lbound = 0; #SIG_LB_DEFAULT
714: $sig_ubound =15; #SIG_UB_DEFAULT
715: } else {
716: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
717: if (!defined($sig_lbound)) {
718: $sig_lbound = 0; #SIG_LB_DEFAULT
719: $sig_ubound =15; #SIG_UB_DEFAULT
720: }
721: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
722: }
723: if (($sig_ubound<$sig_lbound) ||
724: ($sig_lbound > 15) ||
725: ($sig =~/(\+|-)/ ) ) {
726: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
727: if ($env{'request.state'} eq 'construct') {
728: $errormsg.=
729: &Apache::loncommon::help_open_topic('Significant_Figures');
730: }
731: &Apache::lonxml::error($errormsg);
732: }
733: return ($sig_ubound,$sig_lbound);
734: }
735:
736: sub start_stringresponse {
737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
738: my $result;
739: my $id = &Apache::response::start_response($parstack,$safeeval);
740: if ($target eq 'meta') {
741: $result=&Apache::response::meta_package_write('stringresponse');
742: } elsif ($target eq 'edit') {
743: $result.=&Apache::edit::tag_start($target,$token);
744: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
745: $result.=&Apache::edit::select_arg('Type:','type',
746: [['cs','Case Sensitive'],['ci','Case Insensitive'],
747: ['mc','Case Insensitive, Any Order'],
748: ['re','Regular Expression']],$token);
749: $result.=&Apache::edit::text_arg('String to display for answer:',
750: 'answerdisplay',$token);
751: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
752: } elsif ($target eq 'modified') {
753: my $constructtag;
754: $constructtag=&Apache::edit::get_new_args($token,$parstack,
755: $safeeval,'answer',
756: 'type','answerdisplay');
757: if ($constructtag) {
758: $result = &Apache::edit::rebuild_tag($token);
759: $result.=&Apache::edit::handle_insert();
760: }
761: } elsif ($target eq 'web') {
762: if ( &Apache::response::show_answer() ) {
763: my $answer=
764: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
765: if (!defined $answer || $answer eq '') {
766: $answer=
767: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
768: }
769: $Apache::inputtags::answertxt{$id}=$answer;
770: }
771: } elsif ($target eq 'answer' || $target eq 'grade') {
772: &Apache::response::reset_params();
773: }
774: return $result;
775: }
776:
777: sub end_stringresponse {
778: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
779: my $increment=1;
780: my $result = '';
781: my $part=$Apache::inputtags::part;
782: my $id=$Apache::inputtags::response[-1];
783: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
784: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
785: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
786: &Apache::lonxml::debug("current $answer ".$token->[2]);
787: if (!$Apache::lonxml::default_homework_loaded) {
788: &Apache::lonxml::default_homework_load($safeeval);
789: }
790: if ( $target eq 'grade' && &Apache::response::submitted() ) {
791: &Apache::response::setup_params('stringresponse',$safeeval);
792: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
793: if ($Apache::lonhomework::type eq 'exam' ||
794: &Apache::response::submitted('scantron')) {
795: $increment=&Apache::response::scored_response($part,$id);
796: } else {
797: my $response = &Apache::response::getresponse();
798: if ( $response =~ /[^\s]/) {
799: my %previous = &Apache::response::check_for_previous($response,
800: $part,$id);
801: &Apache::lonxml::debug("submitted a $response<br>\n");
802: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
803: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
804: $response;
805: my ($ad,$msg);
806: if ($type eq 're' ) {
807: # if the RE wasn't in a var it likely got munged,
808: # thus grab it from the var directly
809: # my $testans=$token->[2]->{'answer'};
810: # if ($testans !~ m/^\s*\$/) {
811: # $answer=$token->[2]->{'answer'};
812: # }
813: ${$safeeval->varglob('LONCAPA::response')}=$response;
814: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
815: &Apache::lonxml::debug("current $response");
816: &Apache::lonxml::debug("current $answer");
817: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
818: } else {
819: my $args_ref=
820: \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
821:
822: $$args_ref{'response'}=$response;
823: &Apache::lonxml::debug("current $response");
824: $$args_ref{'type'}=
825: &Apache::lonxml::get_param('type',$parstack,$safeeval);
826: foreach my $key (keys(%Apache::inputtags::params)) {
827: $$args_ref{$key}=$Apache::inputtags::params{$key};
828: }
829: &Apache::lonxml::debug('answer is'.join(':',$answer));
830: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
831: ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
832: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
833: my ($awards)=split(/:/,$result);
834: my (@awards) = split(/,/,$awards);
835: ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
836: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
837: }
838: if ($Apache::lonhomework::type eq 'survey' &&
839: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
840: $ad eq 'EXACT_ANS')) {
841: $ad='SUBMITTED';
842: }
843: &Apache::response::handle_previous(\%previous,$ad);
844: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
845: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
846: }
847: }
848: } elsif ($target eq 'answer' || $target eq 'analyze') {
849: if ($target eq 'analyze') {
850: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
851: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
852: &Apache::response::check_if_computed($token,$parstack,$safeeval,
853: 'answer');
854: }
855: &Apache::response::setup_params('stringresponse',$safeeval);
856: if ($target eq 'answer') {
857: $result.=&Apache::response::answer_header('stringresponse');
858: }
859: # foreach my $ans (@answers) {
860: if ($target eq 'answer') {
861: $result.=&Apache::response::answer_part('stringresponse',$answer);
862: if ($type eq 're') {
863: $result.=&Apache::response::answer_part('stringresponse',
864: $answerdisplay);
865: }
866: } elsif ($target eq 'analyze') {
867: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
868: $answer);
869: }
870: # }
871: my $string='Case Insensitive';
872: if ($type eq 'mc') {
873: $string='Multiple Choice';
874: } elsif ($type eq 'cs') {
875: $string='Case Sensitive';
876: } elsif ($type eq 'ci') {
877: $string='Case Insensitive';
878: } elsif ($type eq 're') {
879: $string='Regular Expression';
880: }
881: if ($target eq 'answer') {
882: if ($env{'form.answer_output_mode'} eq 'tex') {
883: $result.=&Apache::response::answer_part('stringresponse',
884: "$string");
885: } else {
886: $result.=&Apache::response::answer_part('stringresponse',
887: "<b>$string</b>");
888: }
889: } elsif ($target eq 'analyze') {
890: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
891: $type);
892: }
893: if ($target eq 'answer') {
894: $result.=&Apache::response::answer_footer('stringresponse');
895: }
896: } elsif ($target eq 'edit') {
897: $result.='</td></tr>'.&Apache::edit::end_table;
898: }
899: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
900: $target eq 'tex' || $target eq 'analyze') {
901: &Apache::lonxml::increment_counter($increment);
902: }
903: &Apache::response::end_response;
904: return $result;
905: }
906:
907: sub start_formularesponse {
908: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
909: my $result;
910: if ($target eq 'meta') {
911: &Apache::response::start_response($parstack,$safeeval);
912: $result=&Apache::response::meta_package_write('formularesponse');
913: &Apache::response::end_response();
914: } else {
915: $result.=&start_numericalresponse(@_);
916: }
917: return $result;
918: }
919:
920: sub end_formularesponse {
921: return end_numericalresponse(@_);
922: }
923:
924: 1;
925: __END__
926:
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