1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.71 2008/09/10 10:11:14 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($token)."</td><td>Delete:".
58: &Apache::edit::deletelist($target,$token)
59: ."</td><td> ".&Apache::edit::end_row()
60: .&Apache::edit::start_spanning_row();
61:
62: $result.=
63: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
64: &Apache::edit::select_arg('Randomize Foil Order','randomize',
65: ['yes','no'],$token).
66: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
67: } elsif ($target eq 'modified') {
68: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
69: $safeeval,'max',
70: 'randomize');
71: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
72: } elsif ($target eq 'analyze') {
73: my $part_id="$Apache::inputtags::part.$id";
74: $Apache::lonhomework::analyze{"$part_id.type"} = 'matchresponse';
75: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
76: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
77: 1);
78: }
79: return $result;
80: }
81:
82: sub end_matchresponse {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84: my $result;
85: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
86: &Apache::response::end_response;
87: pop @Apache::lonxml::namespace;
88: &Apache::lonxml::deregister('Apache::matchresponse',
89: ('foilgroup','foil','conceptgroup'));
90: undef(%Apache::response::foilnames);
91: return $result;
92: }
93:
94: %Apache::response::itemgroup=();
95: sub start_itemgroup {
96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
97: my $result;
98: %Apache::response::itemgroup=();
99: %Apache::matchresponse::itemtable=();
100:
101: if ($target eq 'edit') {
102: $result=&Apache::edit::tag_start($target,$token);
103: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
104: ['yes','no'],$token);
105: $result.=&Apache::edit::select_arg('Items Display Location:',
106: 'location',
107: ['top','bottom','left','right'],
108: $token);
109: $result.=&Apache::edit::select_arg('Items Display Directection:',
110: 'direction',
111: ['vertical','horizontal'],
112: $token);
113: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
114: } elsif ($target eq 'modified') {
115: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
116: $safeeval,'randomize',
117: 'location','direction');
118: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
119: } elsif ($target eq 'web' or $target eq 'tex') {
120: $Apache::matchresponse::itemtable{'location'}=
121: &Apache::lonxml::get_param('location',$parstack,$safeeval);
122: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
123: }
124: return $result;
125: }
126:
127: sub end_itemgroup {
128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
129: my $result;
130:
131: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
132: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
133: my @names=@{ $Apache::response::itemgroup{'names'} };
134: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
135: if ($randomize ne 'no' ) {
136: @names=&Apache::response::whichorder($#names+1,$randomize,0,
137: \%Apache::response::itemgroup);
138: }
139: if ($target eq 'analyze') {
140: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
141: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
142: }
143: my %letter_name_map;
144: my %name_letter_map;
145: my @alphabet=('A'..'Z');
146: my $i=0;
147: foreach my $name (@names) {
148: $letter_name_map{$alphabet[$i]}=$name;
149: $name_letter_map{$name}=$alphabet[$i];
150: $i++;
151: }
152: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
153: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
154: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
155: if ($target eq 'web') {
156:
157: my $table='<br /><table>'; # extra space to match what latex does.
158: my $i=0;
159: if ($direction eq 'horizontal') { $table .='<tr>';}
160: foreach my $name (@names) {
161: if ($direction ne 'horizontal') { $table.='<tr>'; }
162: $table.='<td>'.$alphabet[$i].'</td><td>'.
163: $Apache::response::itemgroup{$name.'.text'}.'</td>';
164: if ($direction ne 'horizontal') { $table.='</tr>'; }
165: $i++;
166: }
167: if ($direction eq 'horizontal') { $table .='</tr>';}
168: $table.='</table>';
169: $Apache::matchresponse::itemtable{'display'}=$table;
170: $Apache::lonxml::post_evaluate=0;
171: } elsif ($target eq 'tex') {
172: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
173: my $i=0;
174: foreach my $name (@names) {
175: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
176: $table.='\item['.$alphabet[$i].'] '.
177: $Apache::response::itemgroup{$name.'.text'};
178: $i++;
179: }
180: $table.=' \end{description} \strut ';
181: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
182: $Apache::matchresponse::itemtable{'display'}=$table;
183: $Apache::lonxml::post_evaluate=0;
184: }
185: return $result;
186: }
187:
188: sub start_item {
189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
190: my $result='';
191: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
192: &Apache::lonxml::startredirection;
193: } elsif ($target eq 'edit') {
194: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
195: $safeeval,'-2');
196: $result=&Apache::edit::tag_start($target,$token,"Item");
197: $result.=&Apache::edit::text_arg('Name:','name',$token);
198: if ($randomize ne 'no') {
199: $result.=&Apache::edit::select_arg('Location:','location',
200: ['random','top','bottom'],
201: $token);
202: }
203: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
204: } elsif ($target eq 'modified') {
205: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
206: $safeeval,'name',
207: 'location');
208: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
209: }
210: return $result;
211: }
212:
213: sub end_item {
214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
215: my $text ='';
216: my $result = '';
217: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
218: $text=&Apache::lonxml::endredirection;
219: }
220: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
221: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
222: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
223: my $location=&Apache::lonxml::get_param('location',$parstack,
224: $safeeval);
225: &Apache::lonxml::debug("Got a name of :$name:");
226: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
227: &Apache::lonxml::debug("Using a name of :$name:");
228: push @{ $Apache::response::itemgroup{'names'} }, $name;
229: $Apache::response::itemgroup{"$name.text"} = $text;
230: $Apache::response::itemgroup{"$name.location"} = $location;
231: }
232: if ($target eq 'edit') {
233: $result.= &Apache::edit::tag_end($target,$token,'');
234: }
235: return $result;
236: }
237:
238: sub insert_item {
239: return '
240: <item name="">
241: <startouttext />
242: <endouttext />
243: </item>';
244: }
245:
246: %Apache::response::foilgroup=();
247: sub start_foilgroup {
248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
249: my $result;
250: %Apache::response::foilgroup=();
251: $Apache::matchresponse::conceptgroup=0;
252: &Apache::response::pushrandomnumber();
253: if ($target eq 'edit') {
254: $result.=&Apache::edit::start_table($token)
255: ."<tr><td>Collection Of Foils</td><td>Delete:"
256: .&Apache::edit::deletelist($target,$token)
257: ."</td><td> ".&Apache::edit::end_row()
258: .&Apache::edit::start_spanning_row()."\n";
259: }
260: return $result;
261: }
262:
263: sub end_foilgroup {
264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
265: my $result;
266: my $part = $Apache::inputtags::part;
267: my $response_id = $Apache::inputtags::response[-1];
268:
269: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
270: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
271: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
272: $safeeval,'-2');
273: if ($target eq 'web' || $target eq 'tex') {
274: $result=&displayfoils($target,$max,$randomize);
275: $Apache::lonxml::post_evaluate=0;
276: } elsif ($target eq 'answer' ) {
277: $result=&displayanswers($max,$randomize);
278: } elsif ( $target eq 'grade') {
279: &grade_response($max,$randomize);
280: } elsif ( $target eq 'analyze') {
281: my @shown=&whichfoils($max,$randomize);
282: &Apache::response::analyze_store_foilgroup(\@shown,
283: ['text','value','location']);
284: #FIXME need to store options in some way
285: }
286: &Apache::lonxml::increment_counter(&getfoilcounts($max),
287: "$part.$response_id");
288: if ($target eq 'analyze') {
289: &Apache::lonhomework::set_bubble_lines();
290: }
291:
292: } elsif ($target eq 'edit') {
293: $result=&Apache::edit::end_table();
294: }
295: &Apache::response::poprandomnumber();
296: return $result;
297: }
298:
299: sub whichfoils {
300: my ($max,$randomize)=@_;
301: return &Apache::response::whichorder(&getfoilcounts($max),
302: $randomize,
303: &Apache::response::showallfoils(),
304: \%Apache::response::foilgroup);
305: }
306:
307: sub displayanswers {
308: my ($max,$randomize,@opt)=@_;
309: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
310: my @names = @{ $Apache::response::foilgroup{'names'} };
311: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
312: $randomize,
313: &Apache::response::showallfoils(),
314: \%Apache::response::foilgroup);
315: my %name_letter_map;
316: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
317: %name_letter_map=
318: %{ $Apache::response::itemgroup{'name_letter_map'} };
319: }
320: my $result;
321: if ($Apache::lonhomework::type eq 'exam') {
322: my $i=0;
323: foreach my $name (@whichfoils) {
324: $result.=&Apache::response::answer_header('matchresponse',$i++);
325: my $value_name=$Apache::response::foilgroup{$name.'.value'};
326: my $letter=$name_letter_map{$value_name};
327: $result.=&Apache::response::answer_part('matchresponse',$letter);
328: $result.=&Apache::response::answer_footer('matchresponse');
329: }
330: } else {
331: $result=&Apache::response::answer_header('matchresponse');
332: foreach my $name (@whichfoils) {
333: my $value_name=$Apache::response::foilgroup{$name.'.value'};
334: my $letter=$name_letter_map{$value_name};
335: $result.=&Apache::response::answer_part('matchresponse',$letter);
336: }
337: $result.=&Apache::response::answer_footer('matchresponse');
338: }
339: return $result;
340: }
341:
342:
343: sub grade_response {
344: my ($max,$randomize)=@_;
345: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
346: $randomize,
347: &Apache::response::showallfoils(),
348: \%Apache::response::foilgroup);
349: if (!&Apache::response::submitted()) { return; }
350: my %responsehash;
351: my %grade;
352: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
353: my %letter_name_map;
354: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
355: %letter_name_map=
356: %{ $Apache::response::itemgroup{'letter_name_map'} };
357: }
358: my @items;
359: foreach my $name (@whichfoils) {
360: my $response = &Apache::response::getresponse($temp,'letter');
361: push(@items,$response);
362: my $responsename = $letter_name_map{$response};
363: my $value=$Apache::response::foilgroup{$name.'.value'};
364: if ( $response =~ /[^\s]/) {
365: $responsehash{$name}=$responsename;
366: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
367: if ($value eq $responsename) {
368: $grade{$name}='1'; $right++;
369: } else {
370: $grade{$name}='0'; $wrong++;
371: }
372: } else {
373: $ignored++;
374: }
375: $temp++;
376: }
377: my $part=$Apache::inputtags::part;
378: my $id = $Apache::inputtags::response['-1'];
379: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
380: my $itemstr =&Apache::lonnet::array2str(@items);
381: my $gradestr =&Apache::lonnet::hash2str(%grade);
382: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
383: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
384: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
385: $responsestr;
386: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
387: $itemstr;
388: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
389: $gradestr;
390: if ($Apache::lonhomework::type eq 'survey') {
391: if ($ignored == 0) {
392: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
393: &Apache::response::handle_previous(\%previous,$ad);
394: } elsif ($wrong==0 && $right==0) {
395: } else {
396: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
397: &Apache::response::handle_previous(\%previous,$ad);
398: }
399: } elsif (!$Apache::lonhomework::scantronmode) {
400: my $ad;
401: if ($wrong==0 && $ignored==0) {
402: $ad='EXACT_ANS';
403: } elsif ($wrong==0 && $right==0) {
404: #nothing submitted
405: } else {
406: if ($ignored==0) {
407: $ad='INCORRECT';
408: } else {
409: $ad='MISSING_ANSWER';
410: }
411: }
412: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
413: &Apache::response::handle_previous(\%previous,$ad);
414: } else {
415: my $ad;
416: if ($wrong==0 && $right==0) {
417: #nothing submitted
418: } else {
419: $ad='ASSIGNED_SCORE';
420: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
421: $ad;
422: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
423: $right/(scalar(@whichfoils));
424: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
425: scalar(@whichfoils);
426: }
427: }
428: }
429:
430: sub format_prior_answer {
431: my ($mode,$answer,$other_data) = @_;
432: my %answer =&Apache::lonnet::str2hash($answer);
433: my $foil_order =$other_data->[0];
434: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
435: my @items =&Apache::lonnet::str2array($other_data->[2]);
436: my $output;
437:
438: foreach my $name (@{ $foil_order }) {
439: my $item=shift(@items);
440: $output .= '<tr><td>'.$item.'</td></tr>';
441: }
442: return if (!defined($output));
443:
444: $output = '<table class="LC_prior_match">'.$output.'</table>';
445: return $output;
446: }
447:
448: sub itemdisplay {
449: my ($location)=@_;
450: if ($location eq 'top' &&
451: !defined($Apache::matchresponse::itemtable{'location'})) {
452: return $Apache::matchresponse::itemtable{'display'};
453: }
454: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
455: return $Apache::matchresponse::itemtable{'display'};
456: }
457: return undef;
458: }
459:
460: sub displayfoils {
461: my ($target,$max,$randomize)=@_;
462: my ($tabsize, $lefttabsize, $righttabsize);
463:
464: my $result;
465: my $question;
466: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
467: $randomize,
468: &Apache::response::showallfoils(),
469: \%Apache::response::foilgroup);
470: my $part=$Apache::inputtags::part;
471: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
472: my %letter_name_map;
473: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
474: %letter_name_map=
475: %{ $Apache::response::itemgroup{'letter_name_map'} };
476: }
477: my %name_letter_map;
478: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
479: %name_letter_map=
480: %{ $Apache::response::itemgroup{'name_letter_map'} };
481: }
482: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
483: foreach my $name (@whichfoils) {
484: my $text=$Apache::response::foilgroup{$name.'.text'};
485: my $value=$Apache::response::foilgroup{$name.'.value'};
486: my $letter=$name_letter_map{$value};
487: if ($target eq 'tex') {
488: $question.=' \\\\ '.$letter.':'.$text;
489: } else {
490: $question.='<br /><b>'.$letter.':</b> '.$text;
491: }
492: }
493: } else {
494: my $i = 0;
495: my $temp=1;
496: my $id=$Apache::inputtags::response[-1];
497: my $part=$Apache::inputtags::part;
498: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
499: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
500: my @alphabet=('A'..'Z');
501: my @used_letters=sort(keys(%letter_name_map));
502: my $internal_counter=$Apache::lonxml::counter;
503: foreach my $name (@whichfoils) {
504: my $lastopt=$lastresponse{$name};
505: my $last_letter=$name_letter_map{$lastopt};
506: my $optionlist = '';
507: if ($target ne 'tex') {
508: $optionlist="<option></option>\n";
509: } else {
510: if ($Apache::lonhomework::type ne 'exam') {
511: if($env{'form.pdfFormFields'} eq 'yes') {
512: my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
513: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
514: } else {
515: $optionlist='\framebox[10 mm][s]{\tiny\strut}';
516: }
517: }
518: }
519: my $option;
520: foreach $option (@used_letters) {
521: if ($option eq $last_letter) {
522: if ($target ne 'tex') {
523: $optionlist.="<option selected=\"on\">$option</option>\n";
524: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
525: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
526: }
527: } else {
528: if ($target ne 'tex') {
529: $optionlist.="<option>$option</option>\n";
530: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
531: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
532: }
533: }
534: }
535: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
536: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
537: $part.'\');" name="HWVAL_'.
538: $Apache::inputtags::response[-1].':'.$temp.'">'.
539: $optionlist."</select>\n";
540: }
541: my $text=$Apache::response::foilgroup{$name.'.text'};
542: #
543: # Factor out the tex computations of the left/right 1/2 minipage
544: # widths for left or right positioning. This allows us
545: # to, if necessary constrain the bubble widths:
546: #
547: if ($target eq 'tex' &&
548: (&itemdisplay('left') || &itemdisplay('right'))) {
549: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
550: ($lefttabsize,$righttabsize)=(0,0);
551: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
552: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
553: $lefttabsize=$tabsize*$1/100;
554: $righttabsize=0.95*($tabsize-$lefttabsize);
555: } else {
556: $tabsize=~/(\d+\.?\d*)/;
557: $lefttabsize=$1/2.1;
558: $righttabsize=0.95*($1-$lefttabsize);
559: }
560: }
561: if ($target ne 'tex') {
562: if ($Apache::lonhomework::type ne 'exam') {
563: $question.="<br />\n".$optionlist.$text;
564: } else {
565: $question.="<br />\n".$text;
566: }
567: if ($Apache::lonhomework::type eq 'exam') {
568: my @blank;
569: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
570: }
571: } else {
572: # Note that if left or right positioned, we must
573: # confine the bubbles to righttabsize:
574: #
575: if ($Apache::lonhomework::type eq 'exam' && $env{'form.pdfFormFields'} ne 'yes') {
576: $question.=' '.$optionlist.$text."\n";
577: my @emptyItems = ();
578: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
579: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
580: .'\item \hskip -3mm \textbf{'.$internal_counter.'}';
581: if (&itemdisplay('left') || &itemdisplay('right')) {
582: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
583: }
584: else {
585: $question .= &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
586: }
587: $question .= '\end{list} \vskip -8 mm \strut ';
588: $internal_counter++;
589: } else {
590: if($env{'form.pdfFormFields'} eq 'yes') {
591: $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
592: } else {
593: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
594: }
595: }
596: }
597: $temp++;
598: }
599: }
600: if ($result=&itemdisplay('top')) {
601: $result.=$question;
602: } elsif ($result=&itemdisplay('bottom')) {
603: $result=$question.$result;
604: } elsif ($result=&itemdisplay('right')) {
605: if ($target ne 'tex') {
606: #remove the first <br />
607: $question=~s|<br />||;
608: $result='<table><tr><td valign="top">'.$question.
609: '</td><td valign="top">'.$result.'</td></tr></table>';
610: } else {
611: $lefttabsize.=' mm ';
612: $righttabsize.=' mm ';
613: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
614: }
615: } elsif ($result=&itemdisplay('left')) {
616: if ($target ne 'tex') {
617: #remove the first <br />
618: $question=~s|<br />||;
619: $result='<table><tr><td valign="top">'.$result.
620: '</td><td valign="top">'.$question.'</td></tr></table>';
621: } else {
622: $lefttabsize.=' mm ';
623: $righttabsize.=' mm ';
624: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
625: }
626: }
627: if ($target eq 'web') {
628: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
629: [\@whichfoils,
630: 'submissiongrading',
631: 'submissionitems']);
632: }
633: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
634: return $result;
635: }
636:
637: sub getfoilcounts {
638: my ($max)=@_;
639: # +1 since instructors will count from 1
640: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
641: if (&Apache::response::showallfoils()) { $max=$count; }
642: if ($count>$max) { $count=$max }
643: &Apache::lonxml::debug("Count is $count from $max");
644: return $count;
645: }
646:
647:
648: sub start_conceptgroup {
649: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
650: $Apache::matchresponse::conceptgroup=1;
651: %Apache::response::conceptgroup=();
652: my $result;
653: if ($target eq 'edit') {
654: $result.=&Apache::edit::tag_start($target,$token,
655: "Concept Grouped Foils");
656: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
657: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
658: }
659: if ($target eq 'modified') {
660: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
661: $safeeval,'concept');
662: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
663: }
664: return $result;
665: }
666:
667: sub end_conceptgroup {
668: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
669: $Apache::matchresponse::conceptgroup=0;
670: my $result='';
671: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
672: $target eq 'tex' || $target eq 'analyze') {
673: &Apache::response::pick_foil_for_concept($target,
674: ['value','text','location'],
675: \%Apache::hint::match,
676: $parstack,$safeeval);
677: } elsif ($target eq 'edit') {
678: $result=&Apache::edit::end_table();
679: }
680: return $result;
681: }
682:
683: sub insert_conceptgroup {
684: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
685: return $result;
686: }
687:
688: sub start_foil {
689: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
690: my $result='';
691: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
692: &Apache::lonxml::startredirection;
693: if ($target eq 'analyze') {
694: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
695: }
696: } elsif ($target eq 'edit') {
697: $result=&Apache::edit::tag_start($target,$token,"Foil");
698: my $level='-2';
699: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
700: $result.=&Apache::edit::text_arg('Name:','name',$token);
701: my @names;
702: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
703: @names=@{ $Apache::response::itemgroup{'names'} };
704: }
705: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
706: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
707: $safeeval,'-3');
708: if ($randomize ne 'no') {
709: $result.=&Apache::edit::select_arg('Location:','location',
710: ['random','top','bottom'],$token);
711: }
712: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
713: } elsif ($target eq 'modified') {
714: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
715: $safeeval,'value',
716: 'name','location');
717: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
718: }
719: return $result;
720: }
721:
722: sub end_foil {
723: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
724: my $text ='';
725: my $result = '';
726: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
727: $text=&Apache::lonxml::endredirection;
728: }
729:
730: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
731: $target eq 'tex' || $target eq 'analyze') {
732: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
733: $text='\vskip 5mm $\triangleright$ '.$text;
734: }
735: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
736: if ($value ne 'unused') {
737: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
738: &Apache::lonxml::debug("Got a name of :$name:");
739: if (!$name) {
740: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
741: $name=$Apache::lonxml::curdepth;
742: }
743: &Apache::lonxml::debug("Using a name of :$name:");
744: if (defined($Apache::response::foilnames{$name})) {
745: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
746: }
747: $Apache::response::foilnames{$name}++;
748: my $location =&Apache::lonxml::get_param('location',$parstack,
749: $safeeval);
750: if ( $Apache::matchresponse::conceptgroup
751: && !&Apache::response::showallfoils() ) {
752: push @{ $Apache::response::conceptgroup{'names'} }, $name;
753: $Apache::response::conceptgroup{"$name.value"} = $value;
754: $Apache::response::conceptgroup{"$name.text"} = $text;
755: $Apache::response::conceptgroup{"$name.location"} = $location;
756: } else {
757: push @{ $Apache::response::foilgroup{'names'} }, $name;
758: $Apache::response::foilgroup{"$name.value"} = $value;
759: $Apache::response::foilgroup{"$name.text"} = $text;
760: $Apache::response::foilgroup{"$name.location"} = $location;
761: }
762: }
763: }
764: if ($target eq 'edit') {
765: $result.= &Apache::edit::tag_end($target,$token,'');
766: }
767: return $result;
768: }
769:
770: sub insert_foil {
771: return '
772: <foil name="" value="unused">
773: <startouttext />
774: <endouttext />
775: </foil>';
776: }
777: 1;
778: __END__
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