1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.76 2009/04/16 15:04:58 onken 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::matchresponse;
30: use strict;
31: use HTML::Entities();
32: use Math::Random();
33: use Apache::optionresponse();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Apache::lonxml;
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
40: }
41:
42: sub start_matchresponse {
43: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
44: my $result;
45: #when in a matchresponse use these
46: &Apache::lonxml::register('Apache::matchresponse',
47: ('foilgroup','foil','conceptgroup','item',
48: 'itemgroup'));
49: push (@Apache::lonxml::namespace,'matchresponse');
50: my $id = &Apache::response::start_response($parstack,$safeeval);
51: %Apache::hint::match=();
52: undef(%Apache::response::foilnames);
53: if ($target eq 'meta') {
54: $result=&Apache::response::meta_package_write('matchresponse');
55: } elsif ($target eq 'edit' ) {
56: $result.=&Apache::edit::start_table($token).
57: '<tr><td>'.&Apache::lonxml::description($token).'</td>'
58: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
59: .&Apache::edit::deletelist($target,$token)
60: .'</span></td>'
61: .'<td> '.&Apache::edit::end_row()
62: .&Apache::edit::start_spanning_row();
63:
64: $result.=
65: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
66: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
67: ['yes','no'],$token).
68: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
69: } elsif ($target eq 'modified') {
70: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
71: $safeeval,'max',
72: 'randomize');
73: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
74: } elsif ($target eq 'analyze') {
75: my $part_id="$Apache::inputtags::part.$id";
76: $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse';
77: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
78: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
79: 1);
80: }
81: return $result;
82: }
83:
84: sub end_matchresponse {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
86: my $result;
87: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
88: &Apache::response::end_response;
89: pop @Apache::lonxml::namespace;
90: &Apache::lonxml::deregister('Apache::matchresponse',
91: ('foilgroup','foil','conceptgroup'));
92: undef(%Apache::response::foilnames);
93: return $result;
94: }
95:
96: %Apache::response::itemgroup=();
97: sub start_itemgroup {
98: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
99: my $result;
100: %Apache::response::itemgroup=();
101: %Apache::matchresponse::itemtable=();
102:
103: if ($target eq 'edit') {
104: $result=&Apache::edit::tag_start($target,$token);
105: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
106: ['yes','no'],$token).' 'x 3;
107: $result.=&Apache::edit::select_arg('Items Display Location:',
108: 'location',
109: ['top','bottom','left','right'],
110: $token).' 'x 3;
111: $result.=&Apache::edit::select_arg('Items Display Direction:',
112: 'direction',
113: ['vertical','horizontal'],
114: $token);
115: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
116: } elsif ($target eq 'modified') {
117: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
118: $safeeval,'randomize',
119: 'location','direction');
120: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
121: } elsif ($target eq 'web' or $target eq 'tex') {
122: $Apache::matchresponse::itemtable{'location'}=
123: &Apache::lonxml::get_param('location',$parstack,$safeeval);
124: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
125: }
126: return $result;
127: }
128:
129: sub end_itemgroup {
130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
131: my $result;
132:
133: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
134: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
135: my @names=@{ $Apache::response::itemgroup{'names'} };
136: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
137: if ($randomize ne 'no' ) {
138: @names=&Apache::response::whichorder($#names+1,$randomize,0,
139: \%Apache::response::itemgroup);
140: }
141: if ($target eq 'analyze') {
142: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
143: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
144: }
145: my %letter_name_map;
146: my %name_letter_map;
147: my @alphabet=('A'..'Z');
148: my $i=0;
149: foreach my $name (@names) {
150: $letter_name_map{$alphabet[$i]}=$name;
151: $name_letter_map{$name}=$alphabet[$i];
152: $i++;
153: }
154: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
155: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
156: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
157: if ($target eq 'web') {
158:
159: my $table='<br /><table>'; # extra space to match what latex does.
160: my $i=0;
161: if ($direction eq 'horizontal') { $table .='<tr>';}
162: foreach my $name (@names) {
163: if ($direction ne 'horizontal') { $table.='<tr>'; }
164: $table.='<td>'.$alphabet[$i].'</td><td>'.
165: $Apache::response::itemgroup{$name.'.text'}.'</td>';
166: if ($direction ne 'horizontal') { $table.='</tr>'; }
167: $i++;
168: }
169: if ($direction eq 'horizontal') { $table .='</tr>';}
170: $table.='</table>';
171: $Apache::matchresponse::itemtable{'display'}=$table;
172: $Apache::lonxml::post_evaluate=0;
173: } elsif ($target eq 'tex') {
174: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
175: my $i=0;
176: foreach my $name (@names) {
177: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
178: $table.='\item['.$alphabet[$i].'] '.
179: $Apache::response::itemgroup{$name.'.text'};
180: $i++;
181: }
182: $table.=' \end{description} \strut ';
183: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
184: $Apache::matchresponse::itemtable{'display'}=$table;
185: $Apache::lonxml::post_evaluate=0;
186: }
187: return $result;
188: }
189:
190: sub start_item {
191: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
192: my $result='';
193: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
194: &Apache::lonxml::startredirection;
195: } elsif ($target eq 'edit') {
196: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
197: $safeeval,'-2');
198: $result=&Apache::edit::tag_start($target,$token,"Item");
199: $result.=&Apache::edit::text_arg('Name:','name',$token);
200: if ($randomize ne 'no') {
201: $result.=' 'x 3 .
202: &Apache::edit::select_arg('Location:','location',
203: ['random','top','bottom'],
204: $token);
205: }
206: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
207: } elsif ($target eq 'modified') {
208: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
209: $safeeval,'name',
210: 'location');
211: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
212: }
213: return $result;
214: }
215:
216: sub end_item {
217: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
218: my $text ='';
219: my $result = '';
220: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
221: $text=&Apache::lonxml::endredirection;
222: }
223: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
224: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
225: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
226: my $location=&Apache::lonxml::get_param('location',$parstack,
227: $safeeval);
228: &Apache::lonxml::debug("Got a name of :$name:");
229: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
230: &Apache::lonxml::debug("Using a name of :$name:");
231: push @{ $Apache::response::itemgroup{'names'} }, $name;
232: $Apache::response::itemgroup{"$name.text"} = $text;
233: $Apache::response::itemgroup{"$name.location"} = $location;
234: }
235: if ($target eq 'edit') {
236: $result.= &Apache::edit::tag_end($target,$token,'');
237: }
238: return $result;
239: }
240:
241: sub insert_item {
242: return '
243: <item name="">
244: <startouttext />
245: <endouttext />
246: </item>';
247: }
248:
249: %Apache::response::foilgroup=();
250: sub start_foilgroup {
251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
252: my $result;
253: %Apache::response::foilgroup=();
254: $Apache::matchresponse::conceptgroup=0;
255: &Apache::response::pushrandomnumber();
256: if ($target eq 'edit') {
257: $result.=&Apache::edit::start_table($token)
258: .'<tr><td>'.&mt('Collection Of Foils').'</td>'
259: .'<td><span class="LC_nobreak">'.&mt('Delete?')
260: .&Apache::edit::deletelist($target,$token)
261: .'</span></td>'
262: .'<td> '.&Apache::edit::end_row()
263: .&Apache::edit::start_spanning_row()."\n";
264: }
265: return $result;
266: }
267:
268: sub end_foilgroup {
269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
270: my $result;
271: my $part = $Apache::inputtags::part;
272: my $response_id = $Apache::inputtags::response[-1];
273:
274: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
275: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
276: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
277: $safeeval,'-2');
278: if ($target eq 'web' || $target eq 'tex') {
279: $result=&displayfoils($target,$max,$randomize);
280: $Apache::lonxml::post_evaluate=0;
281: } elsif ($target eq 'answer' ) {
282: $result=&displayanswers($max,$randomize);
283: } elsif ( $target eq 'grade') {
284: &grade_response($max,$randomize);
285: } elsif ( $target eq 'analyze') {
286: my @shown=&whichfoils($max,$randomize);
287: &Apache::response::analyze_store_foilgroup(\@shown,
288: ['text','value','location']);
289: #FIXME need to store options in some way
290: }
291: &Apache::lonxml::increment_counter(&getfoilcounts($max),
292: "$part.$response_id");
293: if ($target eq 'analyze') {
294: &Apache::lonhomework::set_bubble_lines();
295: }
296:
297: } elsif ($target eq 'edit') {
298: $result=&Apache::edit::end_table();
299: }
300: &Apache::response::poprandomnumber();
301: return $result;
302: }
303:
304: sub whichfoils {
305: my ($max,$randomize)=@_;
306: return &Apache::response::whichorder(&getfoilcounts($max),
307: $randomize,
308: &Apache::response::showallfoils(),
309: \%Apache::response::foilgroup);
310: }
311:
312: sub displayanswers {
313: my ($max,$randomize,@opt)=@_;
314: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
315: my @names = @{ $Apache::response::foilgroup{'names'} };
316: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
317: $randomize,
318: &Apache::response::showallfoils(),
319: \%Apache::response::foilgroup);
320: my %name_letter_map;
321: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
322: %name_letter_map=
323: %{ $Apache::response::itemgroup{'name_letter_map'} };
324: }
325: my $result;
326: if ($Apache::lonhomework::type eq 'exam') {
327: my $i=0;
328: foreach my $name (@whichfoils) {
329: $result.=&Apache::response::answer_header('matchresponse',$i++);
330: my $value_name=$Apache::response::foilgroup{$name.'.value'};
331: my $letter=$name_letter_map{$value_name};
332: $result.=&Apache::response::answer_part('matchresponse',$letter);
333: $result.=&Apache::response::answer_footer('matchresponse');
334: }
335: } else {
336: $result=&Apache::response::answer_header('matchresponse');
337: foreach my $name (@whichfoils) {
338: my $value_name=$Apache::response::foilgroup{$name.'.value'};
339: my $letter=$name_letter_map{$value_name};
340: $result.=&Apache::response::answer_part('matchresponse',$letter);
341: }
342: $result.=&Apache::response::answer_footer('matchresponse');
343: }
344: return $result;
345: }
346:
347:
348: sub grade_response {
349: my ($max,$randomize)=@_;
350: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
351: $randomize,
352: &Apache::response::showallfoils(),
353: \%Apache::response::foilgroup);
354: if (!&Apache::response::submitted()) { return; }
355: my %responsehash;
356: my %grade;
357: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
358: my %letter_name_map;
359: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
360: %letter_name_map=
361: %{ $Apache::response::itemgroup{'letter_name_map'} };
362: }
363: my @items;
364: foreach my $name (@whichfoils) {
365: my $response = &Apache::response::getresponse($temp,'letter');
366: push(@items,$response);
367: my $responsename = $letter_name_map{$response};
368: my $value=$Apache::response::foilgroup{$name.'.value'};
369: if ( $response =~ /[^\s]/) {
370: $responsehash{$name}=$responsename;
371: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
372: if ($value eq $responsename) {
373: $grade{$name}='1'; $right++;
374: } else {
375: $grade{$name}='0'; $wrong++;
376: }
377: } else {
378: $ignored++;
379: }
380: $temp++;
381: }
382: my $part=$Apache::inputtags::part;
383: my $id = $Apache::inputtags::response['-1'];
384: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
385: my $itemstr =&Apache::lonnet::array2str(@items);
386: my $gradestr =&Apache::lonnet::hash2str(%grade);
387: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
388: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
389: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
390: $responsestr;
391: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
392: $itemstr;
393: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
394: $gradestr;
395: if ($Apache::lonhomework::type eq 'survey') {
396: if ($ignored == 0) {
397: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
398: &Apache::response::handle_previous(\%previous,$ad);
399: } elsif ($wrong==0 && $right==0) {
400: } else {
401: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
402: &Apache::response::handle_previous(\%previous,$ad);
403: }
404: } elsif (!$Apache::lonhomework::scantronmode) {
405: my $ad;
406: if ($wrong==0 && $ignored==0) {
407: $ad='EXACT_ANS';
408: } elsif ($wrong==0 && $right==0) {
409: #nothing submitted
410: } else {
411: if ($ignored==0) {
412: $ad='INCORRECT';
413: } else {
414: $ad='MISSING_ANSWER';
415: }
416: }
417: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
418: &Apache::response::handle_previous(\%previous,$ad);
419: } else {
420: my $ad;
421: if ($wrong==0 && $right==0) {
422: #nothing submitted
423: } else {
424: $ad='ASSIGNED_SCORE';
425: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
426: $ad;
427: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
428: $right/(scalar(@whichfoils));
429: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
430: scalar(@whichfoils);
431: }
432: }
433: }
434:
435: sub format_prior_answer {
436: my ($mode,$answer,$other_data) = @_;
437: my %answer =&Apache::lonnet::str2hash($answer);
438: my $foil_order =$other_data->[0];
439: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
440: my @items =&Apache::lonnet::str2array($other_data->[2]);
441: my $output;
442:
443: foreach my $name (@{ $foil_order }) {
444: my $item=shift(@items);
445: $output .= '<tr><td>'.$item.'</td></tr>';
446: }
447: return if (!defined($output));
448:
449: $output = '<table class="LC_prior_match">'.$output.'</table>';
450: return $output;
451: }
452:
453: sub itemdisplay {
454: my ($location)=@_;
455: if ($location eq 'top' &&
456: !defined($Apache::matchresponse::itemtable{'location'})) {
457: return $Apache::matchresponse::itemtable{'display'};
458: }
459: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
460: return $Apache::matchresponse::itemtable{'display'};
461: }
462: return undef;
463: }
464:
465: sub displayfoils {
466: my ($target,$max,$randomize)=@_;
467: my ($tabsize, $lefttabsize, $righttabsize);
468:
469: my $result;
470: my $question;
471: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
472: $randomize,
473: &Apache::response::showallfoils(),
474: \%Apache::response::foilgroup);
475: my $part=$Apache::inputtags::part;
476: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
477: my %letter_name_map;
478: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
479: %letter_name_map=
480: %{ $Apache::response::itemgroup{'letter_name_map'} };
481: }
482: my %name_letter_map;
483: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
484: %name_letter_map=
485: %{ $Apache::response::itemgroup{'name_letter_map'} };
486: }
487: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
488: foreach my $name (@whichfoils) {
489: my $text=$Apache::response::foilgroup{$name.'.text'};
490: my $value=$Apache::response::foilgroup{$name.'.value'};
491: my $letter=$name_letter_map{$value};
492: if ($target eq 'tex') {
493: $question.=' \\\\ '.$letter.':'.$text;
494: } else {
495: $question.='<br /><b>'.$letter.':</b> '.$text;
496: }
497: }
498: } else {
499: my $i = 0;
500: my $temp=1;
501: my $id=$Apache::inputtags::response[-1];
502: my $part=$Apache::inputtags::part;
503: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
504: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
505: my @alphabet=('A'..'Z');
506: my @used_letters=sort(keys(%letter_name_map));
507: my $internal_counter=$Apache::lonxml::counter;
508: foreach my $name (@whichfoils) {
509: my $lastopt=$lastresponse{$name};
510: my $last_letter=$name_letter_map{$lastopt};
511: my $optionlist = '';
512: if ($target ne 'tex') {
513: $optionlist="<option></option>\n";
514: } else {
515: if ($Apache::lonhomework::type ne 'exam') {
516: if($env{'form.pdfFormFields'} eq 'yes'
517: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
518: my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
519: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
520: } else {
521: $optionlist='\framebox[10 mm][s]{\tiny\strut}';
522: }
523: }
524: }
525: my $option;
526: foreach $option (@used_letters) {
527: if ($option eq $last_letter) {
528: if ($target ne 'tex') {
529: $optionlist.="<option selected=\"on\">$option</option>\n";
530: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
531: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
532: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
533: }
534: } else {
535: if ($target ne 'tex') {
536: $optionlist.="<option>$option</option>\n";
537: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
538: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
539: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
540: }
541: }
542: }
543: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
544: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
545: $part.'\');" name="HWVAL_'.
546: $Apache::inputtags::response[-1].':'.$temp.'">'.
547: $optionlist."</select>\n";
548: }
549: my $text=$Apache::response::foilgroup{$name.'.text'};
550: #
551: # Factor out the tex computations of the left/right 1/2 minipage
552: # widths for left or right positioning. This allows us
553: # to, if necessary constrain the bubble widths:
554: #
555: if ($target eq 'tex' &&
556: (&itemdisplay('left') || &itemdisplay('right'))) {
557: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
558: ($lefttabsize,$righttabsize)=(0,0);
559: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
560: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
561: $lefttabsize=$tabsize*$1/100;
562: $righttabsize=0.95*($tabsize-$lefttabsize);
563: } else {
564: $tabsize=~/(\d+\.?\d*)/;
565: $lefttabsize=$1/2.1;
566: $righttabsize=0.95*($1-$lefttabsize);
567: }
568: }
569: if ($target ne 'tex') {
570: if ($Apache::lonhomework::type ne 'exam') {
571: $question.="<br />\n".$optionlist.$text;
572: } else {
573: $question.="<br />\n".$text;
574: }
575: if ($Apache::lonhomework::type eq 'exam') {
576: my @blank;
577: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
578: }
579: } else {
580: # Note that if left or right positioned, we must
581: # confine the bubbles to righttabsize:
582: #
583: if ($Apache::lonhomework::type eq 'exam' && $env{'form.pdfFormFields'} ne 'yes') {
584: $question.=' '.$optionlist.$text."\n";
585: my @emptyItems = ();
586: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
587: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
588: .'\item \hskip -3mm \textbf{'.$internal_counter.'}';
589: if (&itemdisplay('left') || &itemdisplay('right')) {
590: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
591: }
592: else {
593: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
594: }
595: $question .= '\end{list} \vskip -8 mm \strut ';
596: $internal_counter++;
597: } else {
598: if($env{'form.pdfFormFields'} eq 'yes'
599: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
600: $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
601: } else {
602: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
603: }
604: }
605: }
606: $temp++;
607: }
608: }
609: if ($result=&itemdisplay('top')) {
610: $result.=$question;
611: } elsif ($result=&itemdisplay('bottom')) {
612: $result=$question.$result;
613: } elsif ($result=&itemdisplay('right')) {
614: if ($target ne 'tex') {
615: #remove the first <br />
616: $question=~s|<br />||;
617: $result='<table><tr><td valign="top">'.$question.
618: '</td><td valign="top">'.$result.'</td></tr></table>';
619: } else {
620: $lefttabsize.=' mm ';
621: $righttabsize.=' mm ';
622: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
623: }
624: } elsif ($result=&itemdisplay('left')) {
625: if ($target ne 'tex') {
626: #remove the first <br />
627: $question=~s|<br />||;
628: $result='<table><tr><td valign="top">'.$result.
629: '</td><td valign="top">'.$question.'</td></tr></table>';
630: } else {
631: $lefttabsize.=' mm ';
632: $righttabsize.=' mm ';
633: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
634: }
635: }
636: if ($target eq 'web') {
637: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
638: [\@whichfoils,
639: 'submissiongrading',
640: 'submissionitems']);
641: }
642: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
643: return $result;
644: }
645:
646: sub getfoilcounts {
647: my ($max)=@_;
648: # +1 since instructors will count from 1
649: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
650: if (&Apache::response::showallfoils()) { $max=$count; }
651: if ($count>$max) { $count=$max }
652: &Apache::lonxml::debug("Count is $count from $max");
653: return $count;
654: }
655:
656:
657: sub start_conceptgroup {
658: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
659: $Apache::matchresponse::conceptgroup=1;
660: %Apache::response::conceptgroup=();
661: my $result;
662: if ($target eq 'edit') {
663: $result.=&Apache::edit::tag_start($target,$token,
664: "Concept Grouped Foils");
665: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
666: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
667: }
668: if ($target eq 'modified') {
669: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
670: $safeeval,'concept');
671: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
672: }
673: return $result;
674: }
675:
676: sub end_conceptgroup {
677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
678: $Apache::matchresponse::conceptgroup=0;
679: my $result='';
680: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
681: $target eq 'tex' || $target eq 'analyze') {
682: &Apache::response::pick_foil_for_concept($target,
683: ['value','text','location'],
684: \%Apache::hint::match,
685: $parstack,$safeeval);
686: } elsif ($target eq 'edit') {
687: $result=&Apache::edit::end_table();
688: }
689: return $result;
690: }
691:
692: sub insert_conceptgroup {
693: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
694: return $result;
695: }
696:
697: sub start_foil {
698: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
699: my $result='';
700: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
701: &Apache::lonxml::startredirection;
702: if ($target eq 'analyze') {
703: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
704: }
705: } elsif ($target eq 'edit') {
706: $result=&Apache::edit::tag_start($target,$token,"Foil");
707: my $level='-2';
708: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
709: $result.=&Apache::edit::text_arg('Name:','name',$token);
710: my @names;
711: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
712: @names=@{ $Apache::response::itemgroup{'names'} };
713: }
714: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
715: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
716: $safeeval,'-3');
717: if ($randomize ne 'no') {
718: $result.=&Apache::edit::select_arg('Location:','location',
719: ['random','top','bottom'],$token);
720: }
721: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
722: } elsif ($target eq 'modified') {
723: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
724: $safeeval,'value',
725: 'name','location');
726: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
727: }
728: return $result;
729: }
730:
731: sub end_foil {
732: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
733: my $text ='';
734: my $result = '';
735: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
736: $text=&Apache::lonxml::endredirection;
737: }
738:
739: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
740: $target eq 'tex' || $target eq 'analyze') {
741: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
742: $text='\vskip 5mm $\triangleright$ '.$text;
743: }
744: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
745: if ($value ne 'unused') {
746: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
747: &Apache::lonxml::debug("Got a name of :$name:");
748: if (!$name) {
749: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
750: $name=$Apache::lonxml::curdepth;
751: }
752: &Apache::lonxml::debug("Using a name of :$name:");
753: if (defined($Apache::response::foilnames{$name})) {
754: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
755: }
756: $Apache::response::foilnames{$name}++;
757: my $location =&Apache::lonxml::get_param('location',$parstack,
758: $safeeval);
759: if ( $Apache::matchresponse::conceptgroup
760: && !&Apache::response::showallfoils() ) {
761: push @{ $Apache::response::conceptgroup{'names'} }, $name;
762: $Apache::response::conceptgroup{"$name.value"} = $value;
763: $Apache::response::conceptgroup{"$name.text"} = $text;
764: $Apache::response::conceptgroup{"$name.location"} = $location;
765: } else {
766: push @{ $Apache::response::foilgroup{'names'} }, $name;
767: $Apache::response::foilgroup{"$name.value"} = $value;
768: $Apache::response::foilgroup{"$name.text"} = $text;
769: $Apache::response::foilgroup{"$name.location"} = $location;
770: }
771: }
772: }
773: if ($target eq 'edit') {
774: $result.= &Apache::edit::tag_end($target,$token,'');
775: }
776: return $result;
777: }
778:
779: sub insert_foil {
780: return '
781: <foil name="" value="unused">
782: <startouttext />
783: <endouttext />
784: </foil>';
785: }
786: 1;
787: __END__
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