1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.81.2.1 2011/11/08 01:48:51 raeburn 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') { $result=&Apache::edit::end_table(); }
134: if (ref($Apache::response::itemgroup{'names'}) eq 'ARRAY') {
135: if(!@{ $Apache::response::itemgroup{'names'} }) { return; }
136: } else {
137: return;
138: }
139: my @names=@{ $Apache::response::itemgroup{'names'} };
140: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
141: if ($randomize ne 'no' ) {
142: @names=&Apache::response::whichorder($#names+1,$randomize,0,
143: \%Apache::response::itemgroup);
144: }
145: if ($target eq 'analyze') {
146: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
147: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
148: }
149: my %letter_name_map;
150: my %name_letter_map;
151: my @alphabet=('A'..'Z');
152: my $i=0;
153: foreach my $name (@names) {
154: $letter_name_map{$alphabet[$i]}=$name;
155: $name_letter_map{$name}=$alphabet[$i];
156: $i++;
157: }
158: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
159: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
160: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
161: if ($target eq 'web') {
162:
163: my $table='<br /><table>'; # extra space to match what latex does.
164: my $i=0;
165: if ($direction eq 'horizontal') { $table .='<tr>';}
166: foreach my $name (@names) {
167: if ($direction ne 'horizontal') { $table.='<tr>'; }
168: $table.='<td>'.$alphabet[$i].'</td><td>'.
169: $Apache::response::itemgroup{$name.'.text'}.'</td>';
170: if ($direction ne 'horizontal') { $table.='</tr>'; }
171: $i++;
172: }
173: if ($direction eq 'horizontal') { $table .='</tr>';}
174: $table.='</table>';
175: $Apache::matchresponse::itemtable{'display'}=$table;
176: $Apache::lonxml::post_evaluate=0;
177: } elsif ($target eq 'tex') {
178: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
179: my $i=0;
180: foreach my $name (@names) {
181: # $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
182: $table.='\item['.$alphabet[$i].'] '.
183: $Apache::response::itemgroup{$name.'.text'};
184: $i++;
185: }
186: $table.=' \end{description} \strut ';
187: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
188: $Apache::matchresponse::itemtable{'display'}=$table;
189: $Apache::lonxml::post_evaluate=0;
190: }
191: return $result;
192: }
193:
194: sub start_item {
195: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
196: my $result='';
197: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
198: &Apache::lonxml::startredirection;
199: } elsif ($target eq 'edit') {
200: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
201: $safeeval,'-2');
202: $result=&Apache::edit::tag_start($target,$token,"Item");
203: $result.=&Apache::edit::text_arg('Name:','name',$token);
204: if ($randomize ne 'no') {
205: $result.=' 'x 3 .
206: &Apache::edit::select_arg('Location:','location',
207: ['random','top','bottom'],
208: $token);
209: }
210: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
211: } elsif ($target eq 'modified') {
212: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
213: $safeeval,'name',
214: 'location');
215: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
216: }
217: return $result;
218: }
219:
220: sub end_item {
221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
222: my $text ='';
223: my $result = '';
224: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
225: $text=&Apache::lonxml::endredirection;
226: }
227: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
228: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
229: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
230: my $location=&Apache::lonxml::get_param('location',$parstack,
231: $safeeval);
232: &Apache::lonxml::debug("Got a name of :$name:");
233: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
234: &Apache::lonxml::debug("Using a name of :$name:");
235: push @{ $Apache::response::itemgroup{'names'} }, $name;
236: $Apache::response::itemgroup{"$name.text"} = $text;
237: $Apache::response::itemgroup{"$name.location"} = $location;
238: }
239: if ($target eq 'edit') {
240: $result.= &Apache::edit::tag_end($target,$token,'');
241: }
242: return $result;
243: }
244:
245: sub insert_item {
246: return '
247: <item name="">
248: <startouttext />
249: <endouttext />
250: </item>';
251: }
252:
253: %Apache::response::foilgroup=();
254: sub start_foilgroup {
255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
256: my $result;
257: %Apache::response::foilgroup=();
258: $Apache::matchresponse::conceptgroup=0;
259: &Apache::response::pushrandomnumber(undef,$target);
260: if ($target eq 'edit') {
261: $result.=&Apache::edit::start_table($token)
262: .'<tr><td>'.&mt('Collection Of Foils').'</td>'
263: .'<td><span class="LC_nobreak">'.&mt('Delete?')
264: .&Apache::edit::deletelist($target,$token)
265: .'</span></td>'
266: .'<td> '.&Apache::edit::end_row()
267: .&Apache::edit::start_spanning_row()."\n";
268: }
269: return $result;
270: }
271:
272: sub end_foilgroup {
273: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
274: my $result;
275: my $part = $Apache::inputtags::part;
276: my $response_id = $Apache::inputtags::response[-1];
277:
278: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
279: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
280: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
281: $safeeval,'-2');
282: if ($target eq 'web' || $target eq 'tex') {
283: $result=&displayfoils($target,$max,$randomize);
284: $Apache::lonxml::post_evaluate=0;
285: } elsif ($target eq 'answer' ) {
286: $result=&displayanswers($max,$randomize);
287: } elsif ( $target eq 'grade') {
288: &grade_response($max,$randomize);
289: } elsif ( $target eq 'analyze') {
290: my @shown=&whichfoils($max,$randomize);
291: &Apache::response::analyze_store_foilgroup(\@shown,
292: ['text','value','location']);
293: #FIXME need to store options in some way
294: }
295: &Apache::lonxml::increment_counter(&getfoilcounts($max),
296: "$part.$response_id");
297: if ($target eq 'analyze') {
298: &Apache::lonhomework::set_bubble_lines();
299: }
300:
301: } elsif ($target eq 'edit') {
302: $result=&Apache::edit::end_table();
303: }
304: &Apache::response::poprandomnumber();
305: return $result;
306: }
307:
308: sub whichfoils {
309: my ($max,$randomize)=@_;
310: return &Apache::response::whichorder(&getfoilcounts($max),
311: $randomize,
312: &Apache::response::showallfoils(),
313: \%Apache::response::foilgroup);
314: }
315:
316: sub displayanswers {
317: my ($max,$randomize,@opt)=@_;
318: if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
319: if (!@{ $Apache::response::foilgroup{'names'} }) { return; }
320: } else {
321: return;
322: }
323: my @names = @{ $Apache::response::foilgroup{'names'} };
324: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
325: $randomize,
326: &Apache::response::showallfoils(),
327: \%Apache::response::foilgroup);
328: my %name_letter_map;
329: if (ref($Apache::response::itemgroup{'name_letter_map'}) eq 'HASH') {
330: if (%{$Apache::response::itemgroup{'name_letter_map'}}) {
331: %name_letter_map=
332: %{ $Apache::response::itemgroup{'name_letter_map'} };
333: }
334: }
335: my $result;
336: if ($Apache::lonhomework::type eq 'exam') {
337: my $i=0;
338: foreach my $name (@whichfoils) {
339: $result.=&Apache::response::answer_header('matchresponse',$i++);
340: my $value_name=$Apache::response::foilgroup{$name.'.value'};
341: my $letter=$name_letter_map{$value_name};
342: $result.=&Apache::response::answer_part('matchresponse',$letter);
343: $result.=&Apache::response::answer_footer('matchresponse');
344: }
345: } else {
346: $result=&Apache::response::answer_header('matchresponse');
347: foreach my $name (@whichfoils) {
348: my $value_name=$Apache::response::foilgroup{$name.'.value'};
349: my $letter=$name_letter_map{$value_name};
350: $result.=&Apache::response::answer_part('matchresponse',$letter);
351: }
352: $result.=&Apache::response::answer_footer('matchresponse');
353: }
354: return $result;
355: }
356:
357:
358: sub grade_response {
359: my ($max,$randomize)=@_;
360: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
361: $randomize,
362: &Apache::response::showallfoils(),
363: \%Apache::response::foilgroup);
364: if (!&Apache::response::submitted()) { return; }
365: my %responsehash;
366: my %grade;
367: my %answerhash;
368: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
369: my %letter_name_map;
370: if (ref($Apache::response::itemgroup{'letter_name_map'}) eq 'HASH') {
371: if (%{$Apache::response::itemgroup{'letter_name_map'}}) {
372: %letter_name_map=
373: %{ $Apache::response::itemgroup{'letter_name_map'} };
374: }
375: }
376: my @items;
377: foreach my $name (@whichfoils) {
378: my $response = &Apache::response::getresponse($temp,'letter');
379: push(@items,$response);
380: my $responsename = $letter_name_map{$response};
381: my $value=$Apache::response::foilgroup{$name.'.value'};
382: if ($Apache::lonhomework::type eq 'randomizetry') {
383: $answerhash{$name} = $value;
384: }
385: if ( $response =~ /[^\s]/) {
386: $responsehash{$name}=$responsename;
387: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
388: if ($value eq $responsename) {
389: $grade{$name}='1'; $right++;
390: } else {
391: $grade{$name}='0'; $wrong++;
392: }
393: } else {
394: $ignored++;
395: }
396: $temp++;
397: }
398: my $part=$Apache::inputtags::part;
399: my $id = $Apache::inputtags::response['-1'];
400: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
401: my $itemstr =&Apache::lonnet::array2str(@items);
402: my $gradestr =&Apache::lonnet::hash2str(%grade);
403: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
404: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
405: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
406: $responsestr;
407: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
408: $itemstr;
409: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
410: $gradestr;
411: if ($Apache::lonhomework::type eq 'randomizetry') {
412: $Apache::lonhomework::results{"resource.$part.$id.foilorder"} = &Apache::lonnet::array2str(@whichfoils);
413: }
414: if (($Apache::lonhomework::type eq 'survey') ||
415: ($Apache::lonhomework::type eq 'surveycred') ||
416: ($Apache::lonhomework::type eq 'anonsurvey') ||
417: ($Apache::lonhomework::type eq 'anonsurveycred')) {
418: if ($ignored == 0) {
419: my $ad;
420: if ($Apache::lonhomework::type eq 'anonsurvey') {
421: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
422: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
423: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
424: } elsif ($Apache::lonhomework::type eq 'surveycred') {
425: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
426: } else {
427: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
428: }
429: &Apache::response::handle_previous(\%previous,$ad);
430: } elsif ($wrong==0 && $right==0) {
431: } else {
432: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
433: &Apache::response::handle_previous(\%previous,$ad);
434: }
435: } elsif (!$Apache::lonhomework::scantronmode) {
436: my $ad;
437: if ($wrong==0 && $ignored==0) {
438: $ad='EXACT_ANS';
439: } elsif ($wrong==0 && $right==0) {
440: #nothing submitted
441: } else {
442: if ($ignored==0) {
443: $ad='INCORRECT';
444: } else {
445: $ad='MISSING_ANSWER';
446: }
447: }
448: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
449: &Apache::response::handle_previous(\%previous,$ad);
450: } else {
451: my $ad;
452: if ($wrong==0 && $right==0) {
453: #nothing submitted
454: } else {
455: $ad='ASSIGNED_SCORE';
456: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
457: $ad;
458: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
459: $right/(scalar(@whichfoils));
460: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
461: scalar(@whichfoils);
462: }
463: }
464: }
465:
466: sub format_prior_answer {
467: my ($mode,$answer,$other_data) = @_;
468: my %answer =&Apache::lonnet::str2hash($answer);
469: my $foil_order =$other_data->[0];
470: my %grading =&Apache::lonnet::str2hash($other_data->[1]);
471: my @items =&Apache::lonnet::str2array($other_data->[2]);
472: my $output;
473:
474: foreach my $name (@{ $foil_order }) {
475: my $item=shift(@items);
476: $output .= '<tr><td>'.$item.'</td></tr>';
477: }
478: return if (!defined($output));
479:
480: $output = '<table class="LC_prior_match">'.$output.'</table>';
481: return $output;
482: }
483:
484: sub itemdisplay {
485: my ($location)=@_;
486: if ($location eq 'top' &&
487: !defined($Apache::matchresponse::itemtable{'location'})) {
488: return $Apache::matchresponse::itemtable{'display'};
489: }
490: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
491: return $Apache::matchresponse::itemtable{'display'};
492: }
493: return undef;
494: }
495:
496: sub displayfoils {
497: my ($target,$max,$randomize)=@_;
498: my ($tabsize, $lefttabsize, $righttabsize);
499:
500: my $result;
501: my $question;
502: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
503: $randomize,
504: &Apache::response::showallfoils(),
505: \%Apache::response::foilgroup);
506: my $part=$Apache::inputtags::part;
507: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
508: my %letter_name_map;
509: if (ref($Apache::response::itemgroup{'letter_name_map'}) eq 'HASH') {
510: if (%{$Apache::response::itemgroup{'letter_name_map'}}) {
511: %letter_name_map=
512: %{ $Apache::response::itemgroup{'letter_name_map'} };
513: }
514: }
515: my %name_letter_map;
516: if (ref($Apache::response::itemgroup{'name_letter_map'}) eq 'HASH') {
517: if (%{$Apache::response::itemgroup{'name_letter_map'}}) {
518: %name_letter_map=
519: %{ $Apache::response::itemgroup{'name_letter_map'} };
520: }
521: }
522: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
523: foreach my $name (@whichfoils) {
524: my $text=$Apache::response::foilgroup{$name.'.text'};
525: my $value=$Apache::response::foilgroup{$name.'.value'};
526: my $letter=$name_letter_map{$value};
527: if ($target eq 'tex') {
528: $question.=' \\\\ '.$letter.':'.$text;
529: } else {
530: $question.='<br /><b>'.$letter.':</b> '.$text;
531: }
532: }
533: } else {
534: my $i = 0;
535: my $temp=1;
536: my $id=$Apache::inputtags::response[-1];
537: my $part=$Apache::inputtags::part;
538: my ($lastresponse,$newvariation);
539: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
540: ($Apache::lonhomework::type eq 'randomizetry')) &&
541: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
542: if ($env{'form.'.$part.'.rndseed'} ne
543: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
544: $newvariation = 1;
545: }
546: }
547: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred') && (defined($env{'form.grade_symb'}))) || $newvariation) {
548: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
549: }
550: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
551: my @alphabet=('A'..'Z');
552: my @used_letters=sort(keys(%letter_name_map));
553: my $internal_counter=$Apache::lonxml::counter;
554: foreach my $name (@whichfoils) {
555: my $lastopt=$lastresponse{$name};
556: my $last_letter=$name_letter_map{$lastopt};
557: my $optionlist = '';
558: if ($target ne 'tex') {
559: $optionlist="<option></option>\n";
560: } else {
561: if ($Apache::lonhomework::type ne 'exam') {
562: if($env{'form.pdfFormFields'} eq 'yes'
563: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
564: my $fieldname = $env{'request.symb'} . '&part_'. $Apache::inputtags::part .'&matchresponse'. '&HWVAL_' . $Apache::inputtags::response['-1'] . ':' . $temp . '&submit_' . $Apache::inputtags::part . '&';
565: $optionlist = &Apache::lonxml::print_pdf_start_combobox($fieldname);
566: } else {
567:
568: $optionlist='\framebox[10 mm][s]{\tiny\strut}';
569: }
570: }
571: }
572: my $option;
573: foreach $option (@used_letters) {
574: if ($option eq $last_letter) {
575: if ($target ne 'tex') {
576: $optionlist.="<option selected=\"selected\">$option</option>\n";
577: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
578: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
579: && $Apache::lonhomework::type ne 'exam') {
580: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
581: }
582: } else {
583: if ($target ne 'tex') {
584: $optionlist.="<option>$option</option>\n";
585: } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes'
586: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER'
587: && $Apache::lonhomework::type ne 'exam') {
588: $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option);
589: }
590: }
591: }
592: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
593: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
594: $part.'\');" name="HWVAL_'.
595: $Apache::inputtags::response[-1].':'.$temp.'">'.
596: $optionlist."</select>\n";
597: }
598: my $text=$Apache::response::foilgroup{$name.'.text'};
599: #
600: # Factor out the tex computations of the left/right 1/2 minipage
601: # widths for left or right positioning. This allows us
602: # to, if necessary constrain the bubble widths:
603: #
604: if ($target eq 'tex' &&
605: (&itemdisplay('left') || &itemdisplay('right'))) {
606: $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
607: ($lefttabsize,$righttabsize)=(0,0);
608: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
609: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
610: $lefttabsize=$tabsize*$1/100;
611: $righttabsize=0.95*($tabsize-$lefttabsize);
612: } else {
613: $tabsize=~/(\d+\.?\d*)/;
614: $lefttabsize=$1/2.1;
615: $righttabsize=0.95*($1-$lefttabsize);
616: }
617: }
618: if ($target ne 'tex') {
619: if ($Apache::lonhomework::type ne 'exam') {
620: $question.="<br />\n".$optionlist.$text;
621: } else {
622: $question.="<br />\n".$text;
623: }
624: if ($Apache::lonhomework::type eq 'exam') {
625: my @blank;
626: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
627: }
628: } else {
629: # Note that if left or right positioned, we must
630: # confine the bubbles to righttabsize:
631: #
632: if ($Apache::lonhomework::type eq 'exam') {
633: $question.=' '.$optionlist.$text."\n";
634: my @emptyItems = ();
635: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
636: $question.='\vskip -1 mm\noindent\begin{list}{}{\setlength{\listparindent}{0mm}\setlength{\leftmargin}{2mm}}'
637: .'\item \hskip -3mm \textbf{'.$internal_counter.'}';
638: if (&itemdisplay('left') || &itemdisplay('right')) {
639: $question .= '\vskip -4 mm' . &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems, "", $righttabsize);
640: }
641: else {
642: $question .= '\vskip -4 mm' . &Apache::optionresponse::bubbles(\@used_letters,\@emptyItems);
643: }
644: $question .= '\end{list} \vskip -8 mm \strut ';
645: $internal_counter++;
646: } else {
647: if($env{'form.pdfFormFields'} eq 'yes'
648: && $Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
649: $question .= " $optionlist ". &Apache::lonxml::print_pdf_end_combobox($text).'\strut';
650: } else {
651: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
652: }
653: }
654: }
655: $temp++;
656: }
657: }
658: if ($result=&itemdisplay('top')) {
659: $result.=$question;
660: } elsif ($result=&itemdisplay('bottom')) {
661: $result=$question.$result;
662: } elsif ($result=&itemdisplay('right')) {
663: if ($target ne 'tex') {
664: #remove the first <br />
665: $question=~s|<br />||;
666: $result='<table><tr><td valign="top">'.$question.
667: '</td><td valign="top">'.$result.'</td></tr></table>';
668: } else {
669: $lefttabsize.=' mm ';
670: $righttabsize.=' mm ';
671: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
672: }
673: } elsif ($result=&itemdisplay('left')) {
674: if ($target ne 'tex') {
675: #remove the first <br />
676: $question=~s|<br />||;
677: $result='<table><tr><td valign="top">'.$result.
678: '</td><td valign="top">'.$question.'</td></tr></table>';
679: } else {
680: $lefttabsize.=' mm ';
681: $righttabsize.=' mm ';
682: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
683: }
684: }
685: if ($target eq 'web') {
686: my $questiontype;
687: if ($Apache::lonhomework::type eq 'randomizetry') {
688: $questiontype = $Apache::lonhomework::type;
689: }
690: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
691: [\@whichfoils,
692: 'submissiongrading',
693: 'submissionitems'],
694: $questiontype);
695: }
696: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
697: return $result;
698: }
699:
700: sub getfoilcounts {
701: my ($max)=@_;
702: # +1 since instructors will count from 1
703: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
704: if (&Apache::response::showallfoils()) { $max=$count; }
705: if ($count>$max) { $count=$max }
706: &Apache::lonxml::debug("Count is $count from $max");
707: return $count;
708: }
709:
710:
711: sub start_conceptgroup {
712: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
713: $Apache::matchresponse::conceptgroup=1;
714: %Apache::response::conceptgroup=();
715: my $result;
716: if ($target eq 'edit') {
717: $result.=&Apache::edit::tag_start($target,$token,
718: "Concept Grouped Foils");
719: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
720: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
721: }
722: if ($target eq 'modified') {
723: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
724: $safeeval,'concept');
725: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
726: }
727: return $result;
728: }
729:
730: sub end_conceptgroup {
731: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
732: $Apache::matchresponse::conceptgroup=0;
733: my $result='';
734: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
735: $target eq 'tex' || $target eq 'analyze') {
736: &Apache::response::pick_foil_for_concept($target,
737: ['value','text','location'],
738: \%Apache::hint::match,
739: $parstack,$safeeval);
740: } elsif ($target eq 'edit') {
741: $result=&Apache::edit::end_table();
742: }
743: return $result;
744: }
745:
746: sub insert_conceptgroup {
747: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
748: return $result;
749: }
750:
751: sub start_foil {
752: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
753: my $result='';
754: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
755: &Apache::lonxml::startredirection;
756: if ($target eq 'analyze') {
757: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
758: }
759: } elsif ($target eq 'edit') {
760: $result=&Apache::edit::tag_start($target,$token,"Foil");
761: my $level='-2';
762: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
763: $result.=&Apache::edit::text_arg('Name:','name',$token);
764: my @names;
765: if (ref($Apache::response::itemgroup{'names'}) eq 'ARRAY') {
766: if (@{ $Apache::response::itemgroup{'names'} }) {
767: @names=@{ $Apache::response::itemgroup{'names'} };
768: }
769: }
770: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
771: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
772: $safeeval,'-3');
773: if ($randomize ne 'no') {
774: $result.=&Apache::edit::select_arg('Location:','location',
775: ['random','top','bottom'],$token);
776: }
777: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
778: } elsif ($target eq 'modified') {
779: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
780: $safeeval,'value',
781: 'name','location');
782: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
783: }
784: return $result;
785: }
786:
787: sub end_foil {
788: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
789: my $text ='';
790: my $result = '';
791: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
792: $text=&Apache::lonxml::endredirection;
793: }
794:
795: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
796: $target eq 'tex' || $target eq 'analyze') {
797: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
798: $text='\vskip 5mm $\triangleright$ '.$text;
799: }
800: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
801: if ($value ne 'unused') {
802: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
803: &Apache::lonxml::debug("Got a name of :$name:");
804: if (!$name) {
805: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
806: $name=$Apache::lonxml::curdepth;
807: }
808: &Apache::lonxml::debug("Using a name of :$name:");
809: if (defined($Apache::response::foilnames{$name})) {
810: &Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique.",'<b><tt>'.$name.'</tt></b>'));
811: }
812: $Apache::response::foilnames{$name}++;
813: my $location =&Apache::lonxml::get_param('location',$parstack,
814: $safeeval);
815: if ( $Apache::matchresponse::conceptgroup
816: && !&Apache::response::showallfoils() ) {
817:
818: push @{ $Apache::response::conceptgroup{'names'} }, $name;
819: $Apache::response::conceptgroup{"$name.value"} = $value;
820: $Apache::response::conceptgroup{"$name.text"} = $text;
821: $Apache::response::conceptgroup{"$name.location"} = $location;
822: } else {
823:
824: push @{ $Apache::response::foilgroup{'names'} }, $name;
825: $Apache::response::foilgroup{"$name.value"} = $value;
826: $Apache::response::foilgroup{"$name.text"} = $text;
827: $Apache::response::foilgroup{"$name.location"} = $location;
828: }
829: }
830: }
831: if ($target eq 'edit') {
832: $result.= &Apache::edit::tag_end($target,$token,'');
833: }
834: return $result;
835: }
836:
837: sub insert_foil {
838: return '
839: <foil name="" value="unused">
840: <startouttext />
841: <endouttext />
842: </foil>';
843: }
844: 1;
845: __END__
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