1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.66 2007/10/08 09:22:50 foxr 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: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
74: push (@{ $Apache::lonhomework::anaylze{"$part_id.bubble_lines"} },
75: 1);
76: }
77: return $result;
78: }
79:
80: sub end_matchresponse {
81: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
82: my $result;
83: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
84: &Apache::response::end_response;
85: pop @Apache::lonxml::namespace;
86: &Apache::lonxml::deregister('Apache::matchresponse',
87: ('foilgroup','foil','conceptgroup'));
88: undef(%Apache::response::foilnames);
89: return $result;
90: }
91:
92: %Apache::response::itemgroup=();
93: sub start_itemgroup {
94: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
95: my $result;
96: %Apache::response::itemgroup=();
97: %Apache::matchresponse::itemtable=();
98:
99: if ($target eq 'edit') {
100: $result=&Apache::edit::tag_start($target,$token);
101: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
102: ['yes','no'],$token);
103: $result.=&Apache::edit::select_arg('Items Display Location:',
104: 'location',
105: ['top','bottom','left','right'],
106: $token);
107: $result.=&Apache::edit::select_arg('Items Display Directection:',
108: 'direction',
109: ['vertical','horizontal'],
110: $token);
111: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
112: } elsif ($target eq 'modified') {
113: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
114: $safeeval,'randomize',
115: 'location','direction');
116: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
117: } elsif ($target eq 'web' or $target eq 'tex') {
118: $Apache::matchresponse::itemtable{'location'}=
119: &Apache::lonxml::get_param('location',$parstack,$safeeval);
120: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
121: }
122: return $result;
123: }
124:
125: sub end_itemgroup {
126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
127: my $result;
128:
129: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
130: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
131: my @names=@{ $Apache::response::itemgroup{'names'} };
132: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
133: if ($randomize ne 'no' ) {
134: @names=&Apache::response::whichorder($#names+1,$randomize,0,
135: \%Apache::response::itemgroup);
136: }
137: if ($target eq 'analyze') {
138: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
139: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
140: }
141: my %letter_name_map;
142: my %name_letter_map;
143: my @alphabet=('A'..'Z');
144: my $i=0;
145: foreach my $name (@names) {
146: $letter_name_map{$alphabet[$i]}=$name;
147: $name_letter_map{$name}=$alphabet[$i];
148: $i++;
149: }
150: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
151: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
152: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
153: if ($target eq 'web') {
154:
155: my $table='<br /><table>'; # extra space to match what latex does.
156: my $i=0;
157: if ($direction eq 'horizontal') { $table .='<tr>';}
158: foreach my $name (@names) {
159: if ($direction ne 'horizontal') { $table.='<tr>'; }
160: $table.='<td>'.$alphabet[$i].'</td><td>'.
161: $Apache::response::itemgroup{$name.'.text'}.'</td>';
162: if ($direction ne 'horizontal') { $table.='</tr>'; }
163: $i++;
164: }
165: if ($direction eq 'horizontal') { $table .='</tr>';}
166: $table.='</table>';
167: $Apache::matchresponse::itemtable{'display'}=$table;
168: $Apache::lonxml::post_evaluate=0;
169: } elsif ($target eq 'tex') {
170: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
171: my $i=0;
172: foreach my $name (@names) {
173: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
174: $table.='\item['.$alphabet[$i].'] '.
175: $Apache::response::itemgroup{$name.'.text'};
176: $i++;
177: }
178: $table.=' \end{description} \strut ';
179: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
180: $Apache::matchresponse::itemtable{'display'}=$table;
181: $Apache::lonxml::post_evaluate=0;
182: }
183: return $result;
184: }
185:
186: sub start_item {
187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
188: my $result='';
189: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
190: &Apache::lonxml::startredirection;
191: } elsif ($target eq 'edit') {
192: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
193: $safeeval,'-2');
194: $result=&Apache::edit::tag_start($target,$token,"Item");
195: $result.=&Apache::edit::text_arg('Name:','name',$token);
196: if ($randomize ne 'no') {
197: $result.=&Apache::edit::select_arg('Location:','location',
198: ['random','top','bottom'],
199: $token);
200: }
201: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
202: } elsif ($target eq 'modified') {
203: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
204: $safeeval,'name',
205: 'location');
206: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
207: }
208: return $result;
209: }
210:
211: sub end_item {
212: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
213: my $text ='';
214: my $result = '';
215: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
216: $text=&Apache::lonxml::endredirection;
217: }
218: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
219: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
220: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
221: my $location=&Apache::lonxml::get_param('location',$parstack,
222: $safeeval);
223: &Apache::lonxml::debug("Got a name of :$name:");
224: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
225: &Apache::lonxml::debug("Using a name of :$name:");
226: push @{ $Apache::response::itemgroup{'names'} }, $name;
227: $Apache::response::itemgroup{"$name.text"} = $text;
228: $Apache::response::itemgroup{"$name.location"} = $location;
229: }
230: if ($target eq 'edit') {
231: $result.= &Apache::edit::tag_end($target,$token,'');
232: }
233: return $result;
234: }
235:
236: sub insert_item {
237: return '
238: <item name="">
239: <startouttext />
240: <endouttext />
241: </item>';
242: }
243:
244: %Apache::response::foilgroup=();
245: sub start_foilgroup {
246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
247: my $result;
248: %Apache::response::foilgroup=();
249: $Apache::matchresponse::conceptgroup=0;
250: &Apache::response::pushrandomnumber();
251: if ($target eq 'edit') {
252: $result.=&Apache::edit::start_table($token)
253: ."<tr><td>Collection Of Foils</td><td>Delete:"
254: .&Apache::edit::deletelist($target,$token)
255: ."</td><td> ".&Apache::edit::end_row()
256: .&Apache::edit::start_spanning_row()."\n";
257: }
258: return $result;
259: }
260:
261: sub end_foilgroup {
262: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
263: my $result;
264: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
265: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
266: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
267: $safeeval,'-2');
268: if ($target eq 'web' || $target eq 'tex') {
269: $result=&displayfoils($target,$max,$randomize);
270: $Apache::lonxml::post_evaluate=0;
271: } elsif ($target eq 'answer' ) {
272: $result=&displayanswers($max,$randomize);
273: } elsif ( $target eq 'grade') {
274: &grade_response($max,$randomize);
275: } elsif ( $target eq 'analyze') {
276: my @shown=&whichfoils($max,$randomize);
277: &Apache::response::analyze_store_foilgroup(\@shown,
278: ['text','value','location']);
279: #FIXME need to store options in some way
280: }
281: &Apache::lonxml::increment_counter(&getfoilcounts($max),
282: $Apache::inputtags::part);
283: if ($target eq 'analyze') {
284: &Apache::lonhomework::set_bubble_lines();
285: }
286:
287: } elsif ($target eq 'edit') {
288: $result=&Apache::edit::end_table();
289: }
290: &Apache::response::poprandomnumber();
291: return $result;
292: }
293:
294: sub whichfoils {
295: my ($max,$randomize)=@_;
296: return &Apache::response::whichorder(&getfoilcounts($max),
297: $randomize,
298: &Apache::response::showallfoils(),
299: \%Apache::response::foilgroup);
300: }
301:
302: sub displayanswers {
303: my ($max,$randomize,@opt)=@_;
304: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
305: my @names = @{ $Apache::response::foilgroup{'names'} };
306: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
307: $randomize,
308: &Apache::response::showallfoils(),
309: \%Apache::response::foilgroup);
310: my %name_letter_map;
311: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
312: %name_letter_map=
313: %{ $Apache::response::itemgroup{'name_letter_map'} };
314: }
315: my $result;
316: if ($Apache::lonhomework::type eq 'exam') {
317: my $i=0;
318: foreach my $name (@whichfoils) {
319: $result.=&Apache::response::answer_header('matchresponse',$i++);
320: my $value_name=$Apache::response::foilgroup{$name.'.value'};
321: my $letter=$name_letter_map{$value_name};
322: $result.=&Apache::response::answer_part('matchresponse',$letter);
323: $result.=&Apache::response::answer_footer('matchresponse');
324: }
325: } else {
326: $result=&Apache::response::answer_header('matchresponse');
327: foreach my $name (@whichfoils) {
328: my $value_name=$Apache::response::foilgroup{$name.'.value'};
329: my $letter=$name_letter_map{$value_name};
330: $result.=&Apache::response::answer_part('matchresponse',$letter);
331: }
332: $result.=&Apache::response::answer_footer('matchresponse');
333: }
334: return $result;
335: }
336:
337:
338: sub grade_response {
339: my ($max,$randomize)=@_;
340: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
341: $randomize,
342: &Apache::response::showallfoils(),
343: \%Apache::response::foilgroup);
344: if (!&Apache::response::submitted()) { return; }
345: my %responsehash;
346: my %grade;
347: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
348: my %letter_name_map;
349: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
350: %letter_name_map=
351: %{ $Apache::response::itemgroup{'letter_name_map'} };
352: }
353: my @items;
354: foreach my $name (@whichfoils) {
355: my $response = &Apache::response::getresponse($temp,'letter');
356: push(@items,$response);
357: my $responsename = $letter_name_map{$response};
358: my $value=$Apache::response::foilgroup{$name.'.value'};
359: if ( $response =~ /[^\s]/) {
360: $responsehash{$name}=$responsename;
361: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
362: if ($value eq $responsename) {
363: $grade{$name}='1'; $right++;
364: } else {
365: $grade{$name}='0'; $wrong++;
366: }
367: } else {
368: $ignored++;
369: }
370: $temp++;
371: }
372: my $part=$Apache::inputtags::part;
373: my $id = $Apache::inputtags::response['-1'];
374: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
375: my $itemstr =&Apache::lonnet::array2str(@items);
376: my $gradestr =&Apache::lonnet::hash2str(%grade);
377: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
378: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
379: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
380: $responsestr;
381: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
382: $itemstr;
383: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
384: $gradestr;
385: if ($Apache::lonhomework::type eq 'survey') {
386: if ($ignored == 0) {
387: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
388: &Apache::response::handle_previous(\%previous,$ad);
389: } elsif ($wrong==0 && $right==0) {
390: } else {
391: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
392: &Apache::response::handle_previous(\%previous,$ad);
393: }
394: } elsif (!$Apache::lonhomework::scantronmode) {
395: my $ad;
396: if ($wrong==0 && $ignored==0) {
397: $ad='EXACT_ANS';
398: } elsif ($wrong==0 && $right==0) {
399: #nothing submitted
400: } else {
401: if ($ignored==0) {
402: $ad='INCORRECT';
403: } else {
404: $ad='MISSING_ANSWER';
405: }
406: }
407: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
408: &Apache::response::handle_previous(\%previous,$ad);
409: } else {
410: my $ad;
411: if ($wrong==0 && $right==0) {
412: #nothing submitted
413: } else {
414: $ad='ASSIGNED_SCORE';
415: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
416: $ad;
417: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
418: $right/(scalar(@whichfoils));
419: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
420: scalar(@whichfoils);
421: }
422: }
423: }
424:
425: sub format_prior_answer {
426: my ($mode,$answer,$other_data) = @_;
427: my %answer =&Apache::lonnet::str2hash($answer);
428: my $foil_order =$other_data->[0];
429: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
430: my @items =&Apache::lonnet::str2array($other_data->[2]);
431: my $output;
432:
433: foreach my $name (@{ $foil_order }) {
434: my $item=shift(@items);
435: $output .= '<tr><td>'.$item.'</td></tr>';
436: }
437: return if (!defined($output));
438:
439: $output = '<table class="LC_prior_match">'.$output.'</table>';
440: return $output;
441: }
442:
443: sub itemdisplay {
444: my ($location)=@_;
445: if ($location eq 'top' &&
446: !defined($Apache::matchresponse::itemtable{'location'})) {
447: return $Apache::matchresponse::itemtable{'display'};
448: }
449: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
450: return $Apache::matchresponse::itemtable{'display'};
451: }
452: return undef;
453: }
454:
455: sub displayfoils {
456: my ($target,$max,$randomize)=@_;
457: my ($tabsize, $lefttabsize, $righttabsize);
458:
459: my $result;
460: my $question;
461: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
462: $randomize,
463: &Apache::response::showallfoils(),
464: \%Apache::response::foilgroup);
465: my $part=$Apache::inputtags::part;
466: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
467: my %letter_name_map;
468: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
469: %letter_name_map=
470: %{ $Apache::response::itemgroup{'letter_name_map'} };
471: }
472: my %name_letter_map;
473: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
474: %name_letter_map=
475: %{ $Apache::response::itemgroup{'name_letter_map'} };
476: }
477: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
478: foreach my $name (@whichfoils) {
479: my $text=$Apache::response::foilgroup{$name.'.text'};
480: my $value=$Apache::response::foilgroup{$name.'.value'};
481: my $letter=$name_letter_map{$value};
482: if ($target eq 'tex') {
483: $question.=' \\\\ '.$letter.':'.$text;
484: } else {
485: $question.='<br /><b>'.$letter.':</b> '.$text;
486: }
487: }
488: } else {
489: my $i = 0;
490: my $temp=1;
491: my $id=$Apache::inputtags::response[-1];
492: my $part=$Apache::inputtags::part;
493: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
494: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
495: my @alphabet=('A'..'Z');
496: my @used_letters=sort(keys(%letter_name_map));
497: my $internal_counter=$Apache::lonxml::counter;
498: foreach my $name (@whichfoils) {
499: my $lastopt=$lastresponse{$name};
500: my $last_letter=$name_letter_map{$lastopt};
501: my $optionlist = '';
502: if ($target ne 'tex') {
503: $optionlist="<option></option>\n";
504: } else {
505: if ($Apache::lonhomework::type ne 'exam') {
506: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
507: }
508: }
509: my $option;
510: foreach $option (@used_letters) {
511: if ($option eq $last_letter) {
512: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
513: } else {
514: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
515: }
516: }
517: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
518: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
519: $part.'\');" name="HWVAL_'.
520: $Apache::inputtags::response[-1].':'.$temp.'">'.
521: $optionlist."</select>\n";
522: }
523: my $text=$Apache::response::foilgroup{$name.'.text'};
524: #
525: # Factor out the tex computations of the left/right 1/2 minipage
526: # widths for left or right positioning. This allows us
527: # to, if necessary constrain the bubble widths:
528: #
529: if ($target eq 'tex' &&
530: (&itemdisplay('left') || &itemdisplay('right'))) {
531: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
532: ($lefttabsize,$righttabsize)=(0,0);
533: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
534: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
535: $lefttabsize=$tabsize*$1/100;
536: $righttabsize=0.95*($tabsize-$lefttabsize);
537: } else {
538: $tabsize=~/(\d+\.?\d*)/;
539: $lefttabsize=$1/2.1;
540: $righttabsize=0.95*($1-$lefttabsize);
541: }
542: }
543: if ($target ne 'tex') {
544: if ($Apache::lonhomework::type ne 'exam') {
545: $question.="<br />\n".$optionlist.$text;
546: } else {
547: $question.="<br />\n".$text;
548: }
549: if ($Apache::lonhomework::type eq 'exam') {
550: my @blank;
551: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
552: }
553: } else {
554: # Note that if left or right positioned, we must
555: # confine the bubbles to righttabsize:
556: #
557: if ($Apache::lonhomework::type eq 'exam') {
558: $question.=' '.$optionlist.$text."\n";
559: my @emptyItems = ();
560: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
561: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
562: .'\item \hskip -3mm \textbf{'.$internal_counter.'}';
563: if (&itemdisplay('left') || &itemdisplay('right')) {
564: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
565: }
566: else {
567: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
568: }
569: $question .= '\end{list} \vskip -8 mm \strut ';
570: $internal_counter++;
571: } else {
572: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
573: }
574: }
575: $temp++;
576: }
577: }
578: if ($result=&itemdisplay('top')) {
579: $result.=$question;
580: } elsif ($result=&itemdisplay('bottom')) {
581: $result=$question.$result;
582: } elsif ($result=&itemdisplay('right')) {
583: if ($target ne 'tex') {
584: #remove the first <br />
585: $question=~s|<br />||;
586: $result='<table><tr><td valign="top">'.$question.
587: '</td><td valign="top">'.$result.'</td></tr></table>';
588: } else {
589: $lefttabsize.=' mm ';
590: $righttabsize.=' mm ';
591: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
592: }
593: } elsif ($result=&itemdisplay('left')) {
594: if ($target ne 'tex') {
595: #remove the first <br />
596: $question=~s|<br />||;
597: $result='<table><tr><td valign="top">'.$result.
598: '</td><td valign="top">'.$question.'</td></tr></table>';
599: } else {
600: $lefttabsize.=' mm ';
601: $righttabsize.=' mm ';
602: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
603: }
604: }
605: if ($target eq 'web') {
606: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
607: [\@whichfoils,
608: 'submissiongrading',
609: 'submissionitems']);
610: }
611: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
612: return $result;
613: }
614:
615: sub getfoilcounts {
616: my ($max)=@_;
617: # +1 since instructors will count from 1
618: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
619: if (&Apache::response::showallfoils()) { $max=$count; }
620: if ($count>$max) { $count=$max }
621: &Apache::lonxml::debug("Count is $count from $max");
622: return $count;
623: }
624:
625:
626: sub start_conceptgroup {
627: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
628: $Apache::matchresponse::conceptgroup=1;
629: %Apache::response::conceptgroup=();
630: my $result;
631: if ($target eq 'edit') {
632: $result.=&Apache::edit::tag_start($target,$token,
633: "Concept Grouped Foils");
634: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
635: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
636: }
637: if ($target eq 'modified') {
638: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
639: $safeeval,'concept');
640: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
641: }
642: return $result;
643: }
644:
645: sub end_conceptgroup {
646: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
647: $Apache::matchresponse::conceptgroup=0;
648: my $result='';
649: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
650: $target eq 'tex' || $target eq 'analyze') {
651: &Apache::response::pick_foil_for_concept($target,
652: ['value','text','location'],
653: \%Apache::hint::match,
654: $parstack,$safeeval);
655: } elsif ($target eq 'edit') {
656: $result=&Apache::edit::end_table();
657: }
658: return $result;
659: }
660:
661: sub insert_conceptgroup {
662: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
663: return $result;
664: }
665:
666: sub start_foil {
667: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
668: my $result='';
669: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
670: &Apache::lonxml::startredirection;
671: if ($target eq 'analyze') {
672: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
673: }
674: } elsif ($target eq 'edit') {
675: $result=&Apache::edit::tag_start($target,$token,"Foil");
676: my $level='-2';
677: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
678: $result.=&Apache::edit::text_arg('Name:','name',$token);
679: my @names;
680: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
681: @names=@{ $Apache::response::itemgroup{'names'} };
682: }
683: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
684: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
685: $safeeval,'-3');
686: if ($randomize ne 'no') {
687: $result.=&Apache::edit::select_arg('Location:','location',
688: ['random','top','bottom'],$token);
689: }
690: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
691: } elsif ($target eq 'modified') {
692: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
693: $safeeval,'value',
694: 'name','location');
695: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
696: }
697: return $result;
698: }
699:
700: sub end_foil {
701: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
702: my $text ='';
703: my $result = '';
704: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
705: $text=&Apache::lonxml::endredirection;
706: }
707:
708: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
709: $target eq 'tex' || $target eq 'analyze') {
710: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
711: $text='\vskip 5mm $\triangleright$ '.$text;
712: }
713: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
714: if ($value ne 'unused') {
715: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
716: &Apache::lonxml::debug("Got a name of :$name:");
717: if (!$name) {
718: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
719: $name=$Apache::lonxml::curdepth;
720: }
721: &Apache::lonxml::debug("Using a name of :$name:");
722: if (defined($Apache::response::foilnames{$name})) {
723: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
724: }
725: $Apache::response::foilnames{$name}++;
726: my $location =&Apache::lonxml::get_param('location',$parstack,
727: $safeeval);
728: if ( $Apache::matchresponse::conceptgroup
729: && !&Apache::response::showallfoils() ) {
730: push @{ $Apache::response::conceptgroup{'names'} }, $name;
731: $Apache::response::conceptgroup{"$name.value"} = $value;
732: $Apache::response::conceptgroup{"$name.text"} = $text;
733: $Apache::response::conceptgroup{"$name.location"} = $location;
734: } else {
735: push @{ $Apache::response::foilgroup{'names'} }, $name;
736: $Apache::response::foilgroup{"$name.value"} = $value;
737: $Apache::response::foilgroup{"$name.text"} = $text;
738: $Apache::response::foilgroup{"$name.location"} = $location;
739: }
740: }
741: }
742: if ($target eq 'edit') {
743: $result.= &Apache::edit::tag_end($target,$token,'');
744: }
745: return $result;
746: }
747:
748: sub insert_foil {
749: return '
750: <foil name="" value="unused">
751: <startouttext />
752: <endouttext />
753: </foil>';
754: }
755: 1;
756: __END__
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