1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.182 2005/12/01 18:46:48 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: my $format;
195: if ($#formats > 0) {
196: $format=$formats[$i];
197: } else {
198: $format=$formats[0];
199: }
200: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
201: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
202: my $formatted=&format_number($answer,$format,$target,
203: $safeeval);
204: $answertxt.=$formatted.',';
205: }
206: chop $answertxt;
207: if ($target eq 'web') {
208: $answertxt.=" $unit ";
209: }
210: $Apache::inputtags::answertxt{$id}=$answertxt;
211: }
212: }
213: return $result;
214: }
215:
216: sub check_submission {
217: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
218: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
219: $$args_ref{'response'}=$response;
220: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
221:
222: foreach my $arg ('type','tol','sig','format','unit','calc',
223: 'samples') {
224: $$args_ref{$arg}=
225: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
226: }
227: foreach my $key (keys(%Apache::inputtags::params)) {
228: $$args_ref{$key}=$Apache::inputtags::params{$key};
229: }
230:
231: #no way to enter units, with radio buttons
232: if ($Apache::lonhomework::type eq 'exam' ||
233: lc($hideunit) eq "yes") {
234: delete($$args_ref{'unit'});
235: }
236: #sig fig don't make much sense either
237: if (($Apache::lonhomework::type eq 'exam' ||
238: &Apache::response::submitted('scantron') ||
239: $ignore_sig) &&
240: $tag eq 'numericalresponse') {
241: delete($$args_ref{'sig'});
242: }
243:
244: if ($tag eq 'formularesponse') {
245: $$args_ref{'type'}='fml';
246: } elsif ($tag eq 'numericalresponse') {
247: $$args_ref{'type'}='float';
248: }
249: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
250: &Apache::lonxml::debug('answer is'.join(':',@answer));
251: if (@answer && defined($answer[0])) {
252: $answer{'INTERNAL'}= {'type' => 'ordered',
253: 'answers' => \@answer };
254: }
255: #FIXME would be nice if we could save name so we know who graded him
256: #correct
257: my (%results,@final_awards,@final_msgs,@names);
258: foreach my $name (keys(%answer)) {
259: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
260: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@{ $answer{$name}{'answers'} };
261: my ($result,@msgs) =
262: &Apache::run::run("&caparesponse_check_list()",$safeeval);
263: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
264: my ($awards)=split(/:/,$result);
265: my @awards= split(/,/,$awards);
266: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
267: $results{$name}= [$ad,$msg];
268: push(@final_awards,$ad);
269: push(@final_msgs,$msg);
270: push(@names,$name);
271: }
272: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
273: \@final_msgs,
274: \@names,1);
275: return($ad,$msg);
276: }
277:
278: sub end_numericalresponse {
279: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
280: my $increment=1;
281: my $result = '';
282: if (!$Apache::lonxml::default_homework_loaded) {
283: &Apache::lonxml::default_homework_load($safeeval);
284: }
285: my $partid = $Apache::inputtags::part;
286: my $id = $Apache::inputtags::response[-1];
287: my $tag;
288: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
289: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
290: if ( $target eq 'grade' && &Apache::response::submitted() ) {
291: &Apache::response::setup_params($tag,$safeeval);
292: if ($Apache::lonhomework::type eq 'exam' &&
293: $tag eq 'formularesponse') {
294: $increment=&Apache::response::scored_response($partid,$id);
295: } else {
296: my $response = &Apache::response::getresponse();
297: if ( $response =~ /[^\s]/) {
298: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
299: &Apache::lonxml::debug("submitted a $response<br>\n");
300: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
301:
302: if ( &Apache::response::submitted('scantron')) {
303: my $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
304: if (!$number_of_bubbles) { $number_of_bubbles=8; }
305: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
306: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
307: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
308: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
309: my ($values,$display)=&make_numerical_bubbles($number_of_bubbles,$target,$answers[0],$formats[0],\@incorrect,$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 $number_of_bubbles = &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.numbubbles');
343: if ($Apache::inputtags::params{'numbubbles'}) {
344: $number_of_bubbles = $Apache::inputtags::params{'numbubbles'};
345: }
346: if (!$number_of_bubbles) { $number_of_bubbles=8; }
347:
348: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
349: $safeeval);
350: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
351: $safeeval);
352: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
353: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
354: my ($bubble_values,$bubble_display)=
355: &make_numerical_bubbles($number_of_bubbles,
356: $target,$answers[0],
357: $formats[0],\@incorrect,$safeeval);
358: my @alphabet=('A'..'Z');
359: if ($target eq 'web') {
360: if ($tag eq 'numericalresponse') {
361: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
362: $result.= '<table border="1"><tr>';
363: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
364: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
365: my $checked='';
366: if ($previous eq $bubble_values->[$ind]) {
367: $checked=" checked='on' ";
368: }
369: $result.='<td><input type="radio" name="HWVAL_'.$id.
370: '" value="'.$bubble_values->[$ind].'" '.$checked
371: .' /><b>'.$alphabet[$ind].'</b>: '.
372: $bubble_display->[$ind].'</td>';
373: }
374: $result.='</tr></table>';
375: } elsif ($tag eq 'formularesponse') {
376: $result.= '<br /><br /><font color="red">
377: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
378: </textarea></font> <br /><br />';
379: }
380: } elsif ($target eq 'tex') {
381: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
382: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
383: }
384: if ($tag eq 'numericalresponse') {
385: my ($celllength,$number_of_tables,@table_range)=
386: &get_table_sizes($number_of_bubbles,$bubble_display);
387: my $j=0;
388: my $cou=0;
389: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
390: for (my $i=0;$i<$number_of_tables;$i++) {
391: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
392: for (my $ind=0;$ind<$table_range[$j];$ind++) {
393: $result.='p{3 mm}p{'.$celllength.' mm}';
394: }
395: $result.='}';
396: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
397: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
398: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
399: }
400: $cou += $table_range[$j];
401: $j++;
402: $result.='\\\\\end{tabular}\vskip 0 mm ';
403: }
404: $result.='\end{enumerate}';
405: } else {
406: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
407: my $repetition = &Apache::response::repetition();
408: $result.='\begin{enumerate}';
409: for (my $i=0;$i<$repetition;$i++) {
410: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
411: }
412: $increment=$repetition;
413: $result.= '\end{enumerate}';
414: }
415: }
416: }
417: } elsif ($target eq 'edit') {
418: $result.='</td></tr>'.&Apache::edit::end_table;
419: } elsif ($target eq 'answer' || $target eq 'analyze') {
420: my $part_id="$partid.$id";
421: if ($target eq 'analyze') {
422: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
423: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
424: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
425: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
426: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
427: &Apache::response::check_if_computed($token,$parstack,
428: $safeeval,'answer');
429: }
430: if (scalar(@$tagstack)) {
431: &Apache::response::setup_params($tag,$safeeval);
432: }
433: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
434: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
435: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
436: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
437:
438: if ($target eq 'answer') {
439: $result.=&Apache::response::answer_header($tag);
440: }
441: my ($sigline,$tolline);
442: for(my $i=0;$i<=$#answers;$i++) {
443: my $ans=$answers[$i];
444: my $fmt=$formats[0];
445: if (@formats && $#formats) {$fmt=$formats[$i];}
446: my ($high,$low);
447: if ($Apache::inputtags::params{'tol'}) {
448: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
449: }
450: my ($sighigh,$siglow);
451: if ($Apache::inputtags::params{'sig'}) {
452: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
453: }
454: if ($fmt && $tag eq 'numericalresponse') {
455: $fmt=~s/e/E/g;
456: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
457: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
458: $ans = &format_number($ans,$fmt,$target,$safeeval);
459: #if ($high) {
460: # $high=&format_number($high,$fmt,$target,$safeeval);
461: # $low =&format_number($low,$fmt,$target,$safeeval);
462: #}
463: }
464: if ($target eq 'answer') {
465: if ($high && $tag eq 'numericalresponse') {
466: $ans.=' ['.$low.','.$high.']';
467: $tolline .= "[$low, $high]";
468: }
469: if (defined($sighigh) && $tag eq 'numericalresponse') {
470: if ($env{'form.answer_output_mode'} eq 'tex') {
471: $ans.= " Sig $siglow - $sighigh";
472: } else {
473: $ans.= " Sig <i>$siglow - $sighigh</i>";
474: $sigline .= "[$siglow, $sighigh]";
475: }
476: }
477: $result.=&Apache::response::answer_part($tag,$ans);
478: } elsif ($target eq 'analyze') {
479: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
480: if ($high) {
481: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
482: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
483: }
484: if ($fmt) {
485: push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
486: }
487: }
488: }
489:
490: my @fmt_ans;
491: for(my $i=0;$i<=$#answers;$i++) {
492: my $ans=$answers[$i];
493: my $fmt=$formats[0];
494: if (@formats && $#formats) {$fmt=$formats[$i];}
495: if ($fmt && $tag eq 'numericalresponse') {
496: $fmt=~s/e/E/g;
497: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
498: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
499: $ans = &format_number($ans,$fmt,$target,$safeeval);
500: if ($fmt=~/\$/ && $unit!~/\$/) { $ans=~s/\$//; }
501: }
502: push(@fmt_ans,$ans);
503: }
504: my $response=join(', ',@fmt_ans);
505: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
506: $id.'.turnoffunit');
507: if ($unit ne '' &&
508: ! ($Apache::lonhomework::type eq 'exam' ||
509: lc($hideunit) eq "yes") ) {
510: my $cleanunit=$unit;
511: $cleanunit=~s/\$\,//g;
512: $response.=" $cleanunit";
513: }
514:
515: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
516: $parstack,$safeeval);
517: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
518: my $error;
519: if ($tag eq 'formularesponse') {
520: $error=&mt('Computer\'s answer is incorrect ("[_1]").');
521: } else {
522: # answer failed check if it is sig figs that is failing
523: my ($ad,$msg)=&check_submission($response,$partid,$id,
524: $tag,$parstack,
525: $safeeval,1);
526: if ($sigline ne '') {
527: $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);
528: } else {
529: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',$response,$tolline);
530: }
531: }
532: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
533: &Apache::lonxml::error($error);
534: } else {
535: &Apache::lonxml::warning($error);
536: }
537: }
538:
539: if (defined($unit) and ($unit ne '') and
540: $tag eq 'numericalresponse') {
541: if ($target eq 'answer') {
542: if ($env{'form.answer_output_mode'} eq 'tex') {
543: $result.=&Apache::response::answer_part($tag,
544: " Unit: $unit ");
545: } else {
546: $result.=&Apache::response::answer_part($tag,
547: "Unit: <b>$unit</b>");
548: }
549: } elsif ($target eq 'analyze') {
550: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
551: }
552: }
553: if ($tag eq 'formularesponse' && $target eq 'answer') {
554: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
555: $result.=&Apache::response::answer_part($tag,$samples);
556: }
557: if ($target eq 'answer') {
558: $result.=&Apache::response::answer_footer($tag);
559: }
560: }
561: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
562: $target eq 'tex' || $target eq 'analyze') {
563: &Apache::lonxml::increment_counter($increment);
564: }
565: &Apache::response::end_response;
566: return $result;
567: }
568:
569: sub get_table_sizes {
570: my ($number_of_bubbles,$rbubble_values)=@_;
571: my $scale=2; #mm for one digit
572: my $cell_width=0;
573: foreach my $member (@$rbubble_values) {
574: my $cell_width_real=0;
575: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
576: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
577: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
578: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
579: } elsif ($member=~/(\d*)\.(\d*)/) {
580: $cell_width_real=(length($1)+length($2)+3)*$scale;
581: } else {
582: $cell_width_real=(length($member)+1)*$scale*0.9;
583: }
584: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
585: }
586: $cell_width+=8;
587: my $textwidth;
588: if ($env{'form.textwidth'} ne '') {
589: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
590: $textwidth=$1.'.'.$2;
591: } else {
592: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
593: $textwidth=$1.'.'.$2;
594: }
595: my $bubbles_per_line=int($textwidth/$cell_width);
596: if ($bubbles_per_line > $number_of_bubbles) {
597: $bubbles_per_line=$number_of_bubbles;
598: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
599: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
600: my @table_range = ();
601: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
602: if ($number_of_bubbles % $bubbles_per_line) {
603: $number_of_tables++;
604: push @table_range,($number_of_bubbles % $bubbles_per_line);
605: }
606: $cell_width-=8;
607: $cell_width=$cell_width*3/4;
608: return ($cell_width,$number_of_tables,@table_range);
609: }
610:
611: sub format_number {
612: my ($number,$format,$target,$safeeval)=@_;
613: my $ans;
614: if ($format eq '') {
615: #What is the number? (integer,decimal,floating point)
616: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
617: $format = '3e';
618: } elsif ($number=~/^(\d*)\.(\d*)$/) {
619: $format = '4f';
620: } elsif ($number=~/^(\d*)$/) {
621: $format = 'd';
622: }
623: }
624: if (!$Apache::lonxml::default_homework_loaded) {
625: &Apache::lonxml::default_homework_load($safeeval);
626: }
627: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
628: return $ans;
629: }
630:
631: sub make_numerical_bubbles {
632: my ($number_of_bubbles,$target,$answer,$format,$incorrect,$safeeval) =@_;
633: my @bubble_values=();
634: &Apache::lonxml::debug("answer is $answer incorrect is $incorrect");
635: my @oldseed=&Math::Random::random_get_seed();
636: if (defined($incorrect) && ref($incorrect)) {
637: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1 gt $number_of_bubbles));
638: if (defined($$incorrect[0]) &&
639: scalar(@$incorrect)+1 >= $number_of_bubbles) {
640: &Apache::lonxml::debug("inside ".(scalar(@$incorrect)+1).":$number_of_bubbles");
641: &Apache::response::setrandomnumber();
642: my @rand_inc=&Math::Random::random_permutation(@$incorrect);
643: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
644: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
645: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": whih are :".join(':',@bubble_values));
646: &Math::Random::random_set_seed(@oldseed);
647: if (defined($format) && $format ne '') {
648: my @bubble_display;
649: foreach my $value (@bubble_values) {
650: push(@bubble_display,
651: &format_number($value,$format,$target,$safeeval));
652: }
653: return (\@bubble_values,\@bubble_display);
654: } else {
655: return (\@bubble_values,\@bubble_values);
656: }
657: }
658: if (defined($$incorrect[0]) &&
659: scalar(@$incorrect)+1 < $number_of_bubbles) {
660: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@$incorrect).").");
661: }
662: }
663: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
664: my @powers = (1..$number_of_bubbles);
665: &Apache::response::setrandomnumber();
666: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
667: my $power = $powers[$ind];
668: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
669: my $factor = $factors[$ind];
670: my @bubble_display;
671: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
672: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
673: $bubble_display[$ind] = &format_number($bubble_values[$ind],
674: $format,$target,$safeeval);
675:
676: }
677: &Math::Random::random_set_seed(@oldseed);
678: return (\@bubble_values,\@bubble_display);
679: }
680:
681: sub get_tolrange {
682: my ($ans,$tol)=@_;
683: my ($high,$low);
684: if ($tol =~ /%$/) {
685: chop($tol);
686: my $change=$ans*($tol/100.0);
687: $high=$ans+$change;
688: $low=$ans-$change;
689: } else {
690: $high=$ans+$tol;
691: $low=$ans-$tol;
692: }
693: return ($high,$low);
694: }
695:
696: sub get_sigrange {
697: my ($sig)=@_;
698: &Apache::lonxml::debug("Got a sig of :$sig:");
699: my $courseid=$env{'request.course.id'};
700: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
701: return (15,0);
702: }
703: my $sig_lbound;
704: my $sig_ubound;
705: if ($sig eq '') {
706: $sig_lbound = 0; #SIG_LB_DEFAULT
707: $sig_ubound =15; #SIG_UB_DEFAULT
708: } else {
709: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
710: if (!defined($sig_lbound)) {
711: $sig_lbound = 0; #SIG_LB_DEFAULT
712: $sig_ubound =15; #SIG_UB_DEFAULT
713: }
714: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
715: }
716: if (($sig_ubound<$sig_lbound) ||
717: ($sig_lbound > 15) ||
718: ($sig =~/(\+|-)/ ) ) {
719: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
720: if ($env{'request.state'} eq 'construct') {
721: $errormsg.=
722: &Apache::loncommon::help_open_topic('Significant_Figures');
723: }
724: &Apache::lonxml::error($errormsg);
725: }
726: return ($sig_ubound,$sig_lbound);
727: }
728:
729: sub start_stringresponse {
730: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
731: my $result;
732: my $id = &Apache::response::start_response($parstack,$safeeval);
733: if ($target eq 'meta') {
734: $result=&Apache::response::meta_package_write('stringresponse');
735: } elsif ($target eq 'edit') {
736: $result.=&Apache::edit::tag_start($target,$token);
737: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
738: $result.=&Apache::edit::select_arg('Type:','type',
739: [['cs','Case Sensitive'],['ci','Case Insensitive'],
740: ['mc','Case Insensitive, Any Order'],
741: ['re','Regular Expression']],$token);
742: $result.=&Apache::edit::text_arg('String to display for answer:',
743: 'answerdisplay',$token);
744: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
745: } elsif ($target eq 'modified') {
746: my $constructtag;
747: $constructtag=&Apache::edit::get_new_args($token,$parstack,
748: $safeeval,'answer',
749: 'type','answerdisplay');
750: if ($constructtag) {
751: $result = &Apache::edit::rebuild_tag($token);
752: $result.=&Apache::edit::handle_insert();
753: }
754: } elsif ($target eq 'web') {
755: if ( &Apache::response::show_answer() ) {
756: my $answer=
757: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
758: if (!defined $answer || $answer eq '') {
759: $answer=
760: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
761: }
762: $Apache::inputtags::answertxt{$id}=$answer;
763: }
764: } elsif ($target eq 'answer' || $target eq 'grade') {
765: &Apache::response::reset_params();
766: }
767: return $result;
768: }
769:
770: sub end_stringresponse {
771: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
772: my $increment=1;
773: my $result = '';
774: my $part=$Apache::inputtags::part;
775: my $id=$Apache::inputtags::response[-1];
776: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
777: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
778: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
779: &Apache::lonxml::debug("current $answer ".$token->[2]);
780: if (!$Apache::lonxml::default_homework_loaded) {
781: &Apache::lonxml::default_homework_load($safeeval);
782: }
783: if ( $target eq 'grade' && &Apache::response::submitted() ) {
784: &Apache::response::setup_params('stringresponse',$safeeval);
785: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
786: if ($Apache::lonhomework::type eq 'exam' ||
787: &Apache::response::submitted('scantron')) {
788: $increment=&Apache::response::scored_response($part,$id);
789: } else {
790: my $response = &Apache::response::getresponse();
791: if ( $response =~ /[^\s]/) {
792: my %previous = &Apache::response::check_for_previous($response,
793: $part,$id);
794: &Apache::lonxml::debug("submitted a $response<br>\n");
795: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
796: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
797: $response;
798: my ($ad,$msg);
799: if ($type eq 're' ) {
800: # if the RE wasn't in a var it likely got munged,
801: # thus grab it from the var directly
802: # my $testans=$token->[2]->{'answer'};
803: # if ($testans !~ m/^\s*\$/) {
804: # $answer=$token->[2]->{'answer'};
805: # }
806: ${$safeeval->varglob('LONCAPA::response')}=$response;
807: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
808: &Apache::lonxml::debug("current $response");
809: &Apache::lonxml::debug("current $answer");
810: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
811: } else {
812: my $args_ref=
813: \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
814:
815: $$args_ref{'response'}=$response;
816: &Apache::lonxml::debug("current $response");
817: $$args_ref{'type'}=
818: &Apache::lonxml::get_param('type',$parstack,$safeeval);
819: foreach my $key (keys(%Apache::inputtags::params)) {
820: $$args_ref{$key}=$Apache::inputtags::params{$key};
821: }
822: &Apache::lonxml::debug('answer is'.join(':',$answer));
823: @{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
824: ($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
825: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
826: my ($awards)=split(/:/,$result);
827: my (@awards) = split(/,/,$awards);
828: ($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
829: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
830: }
831: if ($Apache::lonhomework::type eq 'survey' &&
832: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
833: $ad eq 'EXACT_ANS')) {
834: $ad='SUBMITTED';
835: }
836: &Apache::response::handle_previous(\%previous,$ad);
837: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
838: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
839: }
840: }
841: } elsif ($target eq 'web' || $target eq 'tex') {
842: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
843: my $status = $Apache::inputtags::status['-1'];
844: if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
845: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
846: $increment = &Apache::response::repetition();
847: $result.='\begin{enumerate}';
848: for (my $i=0;$i<$increment;$i++) {
849: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
850: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
851: }
852: $result.= '\end{enumerate}';
853: }
854: } elsif ($target eq 'answer' || $target eq 'analyze') {
855: if ($target eq 'analyze') {
856: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
857: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
858: &Apache::response::check_if_computed($token,$parstack,$safeeval,
859: 'answer');
860: }
861: &Apache::response::setup_params('stringresponse',$safeeval);
862: if ($target eq 'answer') {
863: $result.=&Apache::response::answer_header('stringresponse');
864: }
865: # foreach my $ans (@answers) {
866: if ($target eq 'answer') {
867: $result.=&Apache::response::answer_part('stringresponse',$answer);
868: if ($type eq 're') {
869: $result.=&Apache::response::answer_part('stringresponse',
870: $answerdisplay);
871: }
872: } elsif ($target eq 'analyze') {
873: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
874: $answer);
875: }
876: # }
877: my $string='Case Insensitive';
878: if ($type eq 'mc') {
879: $string='Multiple Choice';
880: } elsif ($type eq 'cs') {
881: $string='Case Sensitive';
882: } elsif ($type eq 'ci') {
883: $string='Case Insensitive';
884: } elsif ($type eq 're') {
885: $string='Regular Expression';
886: }
887: if ($target eq 'answer') {
888: if ($env{'form.answer_output_mode'} eq 'tex') {
889: $result.=&Apache::response::answer_part('stringresponse',
890: "$string");
891: } else {
892: $result.=&Apache::response::answer_part('stringresponse',
893: "<b>$string</b>");
894: }
895: } elsif ($target eq 'analyze') {
896: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
897: $type);
898: }
899: if ($target eq 'answer') {
900: $result.=&Apache::response::answer_footer('stringresponse');
901: }
902: } elsif ($target eq 'edit') {
903: $result.='</td></tr>'.&Apache::edit::end_table;
904: }
905: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
906: $target eq 'tex' || $target eq 'analyze') {
907: &Apache::lonxml::increment_counter($increment);
908: }
909: &Apache::response::end_response;
910: return $result;
911: }
912:
913: sub start_formularesponse {
914: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
915: my $result;
916: if ($target eq 'meta') {
917: &Apache::response::start_response($parstack,$safeeval);
918: $result=&Apache::response::meta_package_write('formularesponse');
919: &Apache::response::end_response();
920: } else {
921: $result.=&start_numericalresponse(@_);
922: }
923: return $result;
924: }
925:
926: sub end_formularesponse {
927: return end_numericalresponse(@_);
928: }
929:
930: 1;
931: __END__
932:
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