1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.70 2008/08/08 16:37:13 bisitz 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:
37: BEGIN {
38: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
39: }
40:
41: sub start_matchresponse {
42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $result;
44: #when in a matchresponse use these
45: &Apache::lonxml::register('Apache::matchresponse',
46: ('foilgroup','foil','conceptgroup','item',
47: 'itemgroup'));
48: push (@Apache::lonxml::namespace,'matchresponse');
49: my $id = &Apache::response::start_response($parstack,$safeeval);
50: %Apache::hint::match=();
51: undef(%Apache::response::foilnames);
52: if ($target eq 'meta') {
53: $result=&Apache::response::meta_package_write('matchresponse');
54: } elsif ($target eq 'edit' ) {
55: $result.=&Apache::edit::start_table($token).
56: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
57: &Apache::edit::deletelist($target,$token)
58: ."</td><td> ".&Apache::edit::end_row()
59: .&Apache::edit::start_spanning_row();
60:
61: $result.=
62: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
63: &Apache::edit::select_arg('Randomize Foil Order','randomize',
64: ['yes','no'],$token).
65: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
66: } elsif ($target eq 'modified') {
67: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
68: $safeeval,'max',
69: 'randomize');
70: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
71: } elsif ($target eq 'analyze') {
72: my $part_id="$Apache::inputtags::part.$id";
73: $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse';
74: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
75: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
76: 1);
77: }
78: return $result;
79: }
80:
81: sub end_matchresponse {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83: my $result;
84: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
85: &Apache::response::end_response;
86: pop @Apache::lonxml::namespace;
87: &Apache::lonxml::deregister('Apache::matchresponse',
88: ('foilgroup','foil','conceptgroup'));
89: undef(%Apache::response::foilnames);
90: return $result;
91: }
92:
93: %Apache::response::itemgroup=();
94: sub start_itemgroup {
95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
96: my $result;
97: %Apache::response::itemgroup=();
98: %Apache::matchresponse::itemtable=();
99:
100: if ($target eq 'edit') {
101: $result=&Apache::edit::tag_start($target,$token);
102: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
103: ['yes','no'],$token);
104: $result.=&Apache::edit::select_arg('Items Display Location:',
105: 'location',
106: ['top','bottom','left','right'],
107: $token);
108: $result.=&Apache::edit::select_arg('Items Display Directection:',
109: 'direction',
110: ['vertical','horizontal'],
111: $token);
112: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
113: } elsif ($target eq 'modified') {
114: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
115: $safeeval,'randomize',
116: 'location','direction');
117: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
118: } elsif ($target eq 'web' or $target eq 'tex') {
119: $Apache::matchresponse::itemtable{'location'}=
120: &Apache::lonxml::get_param('location',$parstack,$safeeval);
121: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
122: }
123: return $result;
124: }
125:
126: sub end_itemgroup {
127: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
128: my $result;
129:
130: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
131: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
132: my @names=@{ $Apache::response::itemgroup{'names'} };
133: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
134: if ($randomize ne 'no' ) {
135: @names=&Apache::response::whichorder($#names+1,$randomize,0,
136: \%Apache::response::itemgroup);
137: }
138: if ($target eq 'analyze') {
139: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
140: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
141: }
142: my %letter_name_map;
143: my %name_letter_map;
144: my @alphabet=('A'..'Z');
145: my $i=0;
146: foreach my $name (@names) {
147: $letter_name_map{$alphabet[$i]}=$name;
148: $name_letter_map{$name}=$alphabet[$i];
149: $i++;
150: }
151: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
152: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
153: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
154: if ($target eq 'web') {
155:
156: my $table='<br /><table>'; # extra space to match what latex does.
157: my $i=0;
158: if ($direction eq 'horizontal') { $table .='<tr>';}
159: foreach my $name (@names) {
160: if ($direction ne 'horizontal') { $table.='<tr>'; }
161: $table.='<td>'.$alphabet[$i].'</td><td>'.
162: $Apache::response::itemgroup{$name.'.text'}.'</td>';
163: if ($direction ne 'horizontal') { $table.='</tr>'; }
164: $i++;
165: }
166: if ($direction eq 'horizontal') { $table .='</tr>';}
167: $table.='</table>';
168: $Apache::matchresponse::itemtable{'display'}=$table;
169: $Apache::lonxml::post_evaluate=0;
170: } elsif ($target eq 'tex') {
171: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
172: my $i=0;
173: foreach my $name (@names) {
174: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
175: $table.='\item['.$alphabet[$i].'] '.
176: $Apache::response::itemgroup{$name.'.text'};
177: $i++;
178: }
179: $table.=' \end{description} \strut ';
180: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
181: $Apache::matchresponse::itemtable{'display'}=$table;
182: $Apache::lonxml::post_evaluate=0;
183: }
184: return $result;
185: }
186:
187: sub start_item {
188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
189: my $result='';
190: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
191: &Apache::lonxml::startredirection;
192: } elsif ($target eq 'edit') {
193: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
194: $safeeval,'-2');
195: $result=&Apache::edit::tag_start($target,$token,"Item");
196: $result.=&Apache::edit::text_arg('Name:','name',$token);
197: if ($randomize ne 'no') {
198: $result.=&Apache::edit::select_arg('Location:','location',
199: ['random','top','bottom'],
200: $token);
201: }
202: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
203: } elsif ($target eq 'modified') {
204: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
205: $safeeval,'name',
206: 'location');
207: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
208: }
209: return $result;
210: }
211:
212: sub end_item {
213: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
214: my $text ='';
215: my $result = '';
216: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
217: $text=&Apache::lonxml::endredirection;
218: }
219: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
220: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
221: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
222: my $location=&Apache::lonxml::get_param('location',$parstack,
223: $safeeval);
224: &Apache::lonxml::debug("Got a name of :$name:");
225: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
226: &Apache::lonxml::debug("Using a name of :$name:");
227: push @{ $Apache::response::itemgroup{'names'} }, $name;
228: $Apache::response::itemgroup{"$name.text"} = $text;
229: $Apache::response::itemgroup{"$name.location"} = $location;
230: }
231: if ($target eq 'edit') {
232: $result.= &Apache::edit::tag_end($target,$token,'');
233: }
234: return $result;
235: }
236:
237: sub insert_item {
238: return '
239: <item name="">
240: <startouttext />
241: <endouttext />
242: </item>';
243: }
244:
245: %Apache::response::foilgroup=();
246: sub start_foilgroup {
247: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
248: my $result;
249: %Apache::response::foilgroup=();
250: $Apache::matchresponse::conceptgroup=0;
251: &Apache::response::pushrandomnumber();
252: if ($target eq 'edit') {
253: $result.=&Apache::edit::start_table($token)
254: ."<tr><td>Collection Of Foils</td><td>Delete:"
255: .&Apache::edit::deletelist($target,$token)
256: ."</td><td> ".&Apache::edit::end_row()
257: .&Apache::edit::start_spanning_row()."\n";
258: }
259: return $result;
260: }
261:
262: sub end_foilgroup {
263: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
264: my $result;
265: my $part = $Apache::inputtags::part;
266: my $response_id = $Apache::inputtags::response[-1];
267:
268: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
269: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
270: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
271: $safeeval,'-2');
272: if ($target eq 'web' || $target eq 'tex') {
273: $result=&displayfoils($target,$max,$randomize);
274: $Apache::lonxml::post_evaluate=0;
275: } elsif ($target eq 'answer' ) {
276: $result=&displayanswers($max,$randomize);
277: } elsif ( $target eq 'grade') {
278: &grade_response($max,$randomize);
279: } elsif ( $target eq 'analyze') {
280: my @shown=&whichfoils($max,$randomize);
281: &Apache::response::analyze_store_foilgroup(\@shown,
282: ['text','value','location']);
283: #FIXME need to store options in some way
284: }
285: &Apache::lonxml::increment_counter(&getfoilcounts($max),
286: "$part.$response_id");
287: if ($target eq 'analyze') {
288: &Apache::lonhomework::set_bubble_lines();
289: }
290:
291: } elsif ($target eq 'edit') {
292: $result=&Apache::edit::end_table();
293: }
294: &Apache::response::poprandomnumber();
295: return $result;
296: }
297:
298: sub whichfoils {
299: my ($max,$randomize)=@_;
300: return &Apache::response::whichorder(&getfoilcounts($max),
301: $randomize,
302: &Apache::response::showallfoils(),
303: \%Apache::response::foilgroup);
304: }
305:
306: sub displayanswers {
307: my ($max,$randomize,@opt)=@_;
308: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
309: my @names = @{ $Apache::response::foilgroup{'names'} };
310: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
311: $randomize,
312: &Apache::response::showallfoils(),
313: \%Apache::response::foilgroup);
314: my %name_letter_map;
315: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
316: %name_letter_map=
317: %{ $Apache::response::itemgroup{'name_letter_map'} };
318: }
319: my $result;
320: if ($Apache::lonhomework::type eq 'exam') {
321: my $i=0;
322: foreach my $name (@whichfoils) {
323: $result.=&Apache::response::answer_header('matchresponse',$i++);
324: my $value_name=$Apache::response::foilgroup{$name.'.value'};
325: my $letter=$name_letter_map{$value_name};
326: $result.=&Apache::response::answer_part('matchresponse',$letter);
327: $result.=&Apache::response::answer_footer('matchresponse');
328: }
329: } else {
330: $result=&Apache::response::answer_header('matchresponse');
331: foreach my $name (@whichfoils) {
332: my $value_name=$Apache::response::foilgroup{$name.'.value'};
333: my $letter=$name_letter_map{$value_name};
334: $result.=&Apache::response::answer_part('matchresponse',$letter);
335: }
336: $result.=&Apache::response::answer_footer('matchresponse');
337: }
338: return $result;
339: }
340:
341:
342: sub grade_response {
343: my ($max,$randomize)=@_;
344: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
345: $randomize,
346: &Apache::response::showallfoils(),
347: \%Apache::response::foilgroup);
348: if (!&Apache::response::submitted()) { return; }
349: my %responsehash;
350: my %grade;
351: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
352: my %letter_name_map;
353: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
354: %letter_name_map=
355: %{ $Apache::response::itemgroup{'letter_name_map'} };
356: }
357: my @items;
358: foreach my $name (@whichfoils) {
359: my $response = &Apache::response::getresponse($temp,'letter');
360: push(@items,$response);
361: my $responsename = $letter_name_map{$response};
362: my $value=$Apache::response::foilgroup{$name.'.value'};
363: if ( $response =~ /[^\s]/) {
364: $responsehash{$name}=$responsename;
365: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
366: if ($value eq $responsename) {
367: $grade{$name}='1'; $right++;
368: } else {
369: $grade{$name}='0'; $wrong++;
370: }
371: } else {
372: $ignored++;
373: }
374: $temp++;
375: }
376: my $part=$Apache::inputtags::part;
377: my $id = $Apache::inputtags::response['-1'];
378: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
379: my $itemstr =&Apache::lonnet::array2str(@items);
380: my $gradestr =&Apache::lonnet::hash2str(%grade);
381: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
382: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
383: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
384: $responsestr;
385: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
386: $itemstr;
387: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
388: $gradestr;
389: if ($Apache::lonhomework::type eq 'survey') {
390: if ($ignored == 0) {
391: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
392: &Apache::response::handle_previous(\%previous,$ad);
393: } elsif ($wrong==0 && $right==0) {
394: } else {
395: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
396: &Apache::response::handle_previous(\%previous,$ad);
397: }
398: } elsif (!$Apache::lonhomework::scantronmode) {
399: my $ad;
400: if ($wrong==0 && $ignored==0) {
401: $ad='EXACT_ANS';
402: } elsif ($wrong==0 && $right==0) {
403: #nothing submitted
404: } else {
405: if ($ignored==0) {
406: $ad='INCORRECT';
407: } else {
408: $ad='MISSING_ANSWER';
409: }
410: }
411: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
412: &Apache::response::handle_previous(\%previous,$ad);
413: } else {
414: my $ad;
415: if ($wrong==0 && $right==0) {
416: #nothing submitted
417: } else {
418: $ad='ASSIGNED_SCORE';
419: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
420: $ad;
421: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
422: $right/(scalar(@whichfoils));
423: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
424: scalar(@whichfoils);
425: }
426: }
427: }
428:
429: sub format_prior_answer {
430: my ($mode,$answer,$other_data) = @_;
431: my %answer =&Apache::lonnet::str2hash($answer);
432: my $foil_order =$other_data->[0];
433: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
434: my @items =&Apache::lonnet::str2array($other_data->[2]);
435: my $output;
436:
437: foreach my $name (@{ $foil_order }) {
438: my $item=shift(@items);
439: $output .= '<tr><td>'.$item.'</td></tr>';
440: }
441: return if (!defined($output));
442:
443: $output = '<table class="LC_prior_match">'.$output.'</table>';
444: return $output;
445: }
446:
447: sub itemdisplay {
448: my ($location)=@_;
449: if ($location eq 'top' &&
450: !defined($Apache::matchresponse::itemtable{'location'})) {
451: return $Apache::matchresponse::itemtable{'display'};
452: }
453: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
454: return $Apache::matchresponse::itemtable{'display'};
455: }
456: return undef;
457: }
458:
459: sub displayfoils {
460: my ($target,$max,$randomize)=@_;
461: my ($tabsize, $lefttabsize, $righttabsize);
462:
463: my $result;
464: my $question;
465: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
466: $randomize,
467: &Apache::response::showallfoils(),
468: \%Apache::response::foilgroup);
469: my $part=$Apache::inputtags::part;
470: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
471: my %letter_name_map;
472: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
473: %letter_name_map=
474: %{ $Apache::response::itemgroup{'letter_name_map'} };
475: }
476: my %name_letter_map;
477: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
478: %name_letter_map=
479: %{ $Apache::response::itemgroup{'name_letter_map'} };
480: }
481: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
482: foreach my $name (@whichfoils) {
483: my $text=$Apache::response::foilgroup{$name.'.text'};
484: my $value=$Apache::response::foilgroup{$name.'.value'};
485: my $letter=$name_letter_map{$value};
486: if ($target eq 'tex') {
487: $question.=' \\\\ '.$letter.':'.$text;
488: } else {
489: $question.='<br /><b>'.$letter.':</b> '.$text;
490: }
491: }
492: } else {
493: my $i = 0;
494: my $temp=1;
495: my $id=$Apache::inputtags::response[-1];
496: my $part=$Apache::inputtags::part;
497: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
498: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
499: my @alphabet=('A'..'Z');
500: my @used_letters=sort(keys(%letter_name_map));
501: my $internal_counter=$Apache::lonxml::counter;
502: foreach my $name (@whichfoils) {
503: my $lastopt=$lastresponse{$name};
504: my $last_letter=$name_letter_map{$lastopt};
505: my $optionlist = '';
506: if ($target ne 'tex') {
507: $optionlist="<option></option>\n";
508: } else {
509: if ($Apache::lonhomework::type ne 'exam') {
510: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
511: }
512: }
513: my $option;
514: foreach $option (@used_letters) {
515: if ($option eq $last_letter) {
516: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
517: } else {
518: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
519: }
520: }
521: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
522: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
523: $part.'\');" name="HWVAL_'.
524: $Apache::inputtags::response[-1].':'.$temp.'">'.
525: $optionlist."</select>\n";
526: }
527: my $text=$Apache::response::foilgroup{$name.'.text'};
528: #
529: # Factor out the tex computations of the left/right 1/2 minipage
530: # widths for left or right positioning. This allows us
531: # to, if necessary constrain the bubble widths:
532: #
533: if ($target eq 'tex' &&
534: (&itemdisplay('left') || &itemdisplay('right'))) {
535: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
536: ($lefttabsize,$righttabsize)=(0,0);
537: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
538: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
539: $lefttabsize=$tabsize*$1/100;
540: $righttabsize=0.95*($tabsize-$lefttabsize);
541: } else {
542: $tabsize=~/(\d+\.?\d*)/;
543: $lefttabsize=$1/2.1;
544: $righttabsize=0.95*($1-$lefttabsize);
545: }
546: }
547: if ($target ne 'tex') {
548: if ($Apache::lonhomework::type ne 'exam') {
549: $question.="<br />\n".$optionlist.$text;
550: } else {
551: $question.="<br />\n".$text;
552: }
553: if ($Apache::lonhomework::type eq 'exam') {
554: my @blank;
555: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
556: }
557: } else {
558: # Note that if left or right positioned, we must
559: # confine the bubbles to righttabsize:
560: #
561: if ($Apache::lonhomework::type eq 'exam') {
562: $question.=' '.$optionlist.$text."\n";
563: my @emptyItems = ();
564: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
565: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
566: .'\item \hskip -3mm \textbf{'.$internal_counter.'}';
567: if (&itemdisplay('left') || &itemdisplay('right')) {
568: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
569: }
570: else {
571: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
572: }
573: $question .= '\end{list} \vskip -8 mm \strut ';
574: $internal_counter++;
575: } else {
576: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
577: }
578: }
579: $temp++;
580: }
581: }
582: if ($result=&itemdisplay('top')) {
583: $result.=$question;
584: } elsif ($result=&itemdisplay('bottom')) {
585: $result=$question.$result;
586: } elsif ($result=&itemdisplay('right')) {
587: if ($target ne 'tex') {
588: #remove the first <br />
589: $question=~s|<br />||;
590: $result='<table><tr><td valign="top">'.$question.
591: '</td><td valign="top">'.$result.'</td></tr></table>';
592: } else {
593: $lefttabsize.=' mm ';
594: $righttabsize.=' mm ';
595: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
596: }
597: } elsif ($result=&itemdisplay('left')) {
598: if ($target ne 'tex') {
599: #remove the first <br />
600: $question=~s|<br />||;
601: $result='<table><tr><td valign="top">'.$result.
602: '</td><td valign="top">'.$question.'</td></tr></table>';
603: } else {
604: $lefttabsize.=' mm ';
605: $righttabsize.=' mm ';
606: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
607: }
608: }
609: if ($target eq 'web') {
610: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
611: [\@whichfoils,
612: 'submissiongrading',
613: 'submissionitems']);
614: }
615: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
616: return $result;
617: }
618:
619: sub getfoilcounts {
620: my ($max)=@_;
621: # +1 since instructors will count from 1
622: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
623: if (&Apache::response::showallfoils()) { $max=$count; }
624: if ($count>$max) { $count=$max }
625: &Apache::lonxml::debug("Count is $count from $max");
626: return $count;
627: }
628:
629:
630: sub start_conceptgroup {
631: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
632: $Apache::matchresponse::conceptgroup=1;
633: %Apache::response::conceptgroup=();
634: my $result;
635: if ($target eq 'edit') {
636: $result.=&Apache::edit::tag_start($target,$token,
637: "Concept Grouped Foils");
638: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
639: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
640: }
641: if ($target eq 'modified') {
642: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
643: $safeeval,'concept');
644: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
645: }
646: return $result;
647: }
648:
649: sub end_conceptgroup {
650: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
651: $Apache::matchresponse::conceptgroup=0;
652: my $result='';
653: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
654: $target eq 'tex' || $target eq 'analyze') {
655: &Apache::response::pick_foil_for_concept($target,
656: ['value','text','location'],
657: \%Apache::hint::match,
658: $parstack,$safeeval);
659: } elsif ($target eq 'edit') {
660: $result=&Apache::edit::end_table();
661: }
662: return $result;
663: }
664:
665: sub insert_conceptgroup {
666: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
667: return $result;
668: }
669:
670: sub start_foil {
671: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
672: my $result='';
673: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
674: &Apache::lonxml::startredirection;
675: if ($target eq 'analyze') {
676: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
677: }
678: } elsif ($target eq 'edit') {
679: $result=&Apache::edit::tag_start($target,$token,"Foil");
680: my $level='-2';
681: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
682: $result.=&Apache::edit::text_arg('Name:','name',$token);
683: my @names;
684: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
685: @names=@{ $Apache::response::itemgroup{'names'} };
686: }
687: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
688: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
689: $safeeval,'-3');
690: if ($randomize ne 'no') {
691: $result.=&Apache::edit::select_arg('Location:','location',
692: ['random','top','bottom'],$token);
693: }
694: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
695: } elsif ($target eq 'modified') {
696: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
697: $safeeval,'value',
698: 'name','location');
699: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
700: }
701: return $result;
702: }
703:
704: sub end_foil {
705: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
706: my $text ='';
707: my $result = '';
708: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
709: $text=&Apache::lonxml::endredirection;
710: }
711:
712: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
713: $target eq 'tex' || $target eq 'analyze') {
714: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
715: $text='\vskip 5mm $\triangleright$ '.$text;
716: }
717: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
718: if ($value ne 'unused') {
719: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
720: &Apache::lonxml::debug("Got a name of :$name:");
721: if (!$name) {
722: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
723: $name=$Apache::lonxml::curdepth;
724: }
725: &Apache::lonxml::debug("Using a name of :$name:");
726: if (defined($Apache::response::foilnames{$name})) {
727: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
728: }
729: $Apache::response::foilnames{$name}++;
730: my $location =&Apache::lonxml::get_param('location',$parstack,
731: $safeeval);
732: if ( $Apache::matchresponse::conceptgroup
733: && !&Apache::response::showallfoils() ) {
734: push @{ $Apache::response::conceptgroup{'names'} }, $name;
735: $Apache::response::conceptgroup{"$name.value"} = $value;
736: $Apache::response::conceptgroup{"$name.text"} = $text;
737: $Apache::response::conceptgroup{"$name.location"} = $location;
738: } else {
739: push @{ $Apache::response::foilgroup{'names'} }, $name;
740: $Apache::response::foilgroup{"$name.value"} = $value;
741: $Apache::response::foilgroup{"$name.text"} = $text;
742: $Apache::response::foilgroup{"$name.location"} = $location;
743: }
744: }
745: }
746: if ($target eq 'edit') {
747: $result.= &Apache::edit::tag_end($target,$token,'');
748: }
749: return $result;
750: }
751:
752: sub insert_foil {
753: return '
754: <foil name="" value="unused">
755: <startouttext />
756: <endouttext />
757: </foil>';
758: }
759: 1;
760: __END__
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