1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.57 2006/03/31 11:10:24 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: }
75: return $result;
76: }
77:
78: sub end_matchresponse {
79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
80: my $result;
81: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
82: &Apache::response::end_response;
83: pop @Apache::lonxml::namespace;
84: &Apache::lonxml::deregister('Apache::matchresponse',
85: ('foilgroup','foil','conceptgroup'));
86: undef(%Apache::response::foilnames);
87: return $result;
88: }
89:
90: %Apache::response::itemgroup=();
91: sub start_itemgroup {
92: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
93: my $result;
94: %Apache::response::itemgroup=();
95: %Apache::matchresponse::itemtable=();
96:
97: if ($target eq 'edit') {
98: $result=&Apache::edit::tag_start($target,$token);
99: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
100: ['yes','no'],$token);
101: $result.=&Apache::edit::select_arg('Items Display Location:',
102: 'location',
103: ['top','bottom','left','right'],
104: $token);
105: $result.=&Apache::edit::select_arg('Items Display Directection:',
106: 'direction',
107: ['vertical','horizontal'],
108: $token);
109: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
110: } elsif ($target eq 'modified') {
111: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
112: $safeeval,'randomize',
113: 'location','direction');
114: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
115: } elsif ($target eq 'web' or $target eq 'tex') {
116: $Apache::matchresponse::itemtable{'location'}=
117: &Apache::lonxml::get_param('location',$parstack,$safeeval);
118: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
119: }
120: return $result;
121: }
122:
123: sub end_itemgroup {
124: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
125: my $result;
126:
127: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
128: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
129: my @names=@{ $Apache::response::itemgroup{'names'} };
130: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
131: if ($randomize ne 'no' ) {
132: @names=&Apache::response::whichorder($#names+1,$randomize,0,
133: \%Apache::response::itemgroup);
134: }
135: if ($target eq 'analyze') {
136: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
137: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
138: }
139: my %letter_name_map;
140: my %name_letter_map;
141: my @alphabet=('A'..'Z');
142: my $i=0;
143: foreach my $name (@names) {
144: $letter_name_map{$alphabet[$i]}=$name;
145: $name_letter_map{$name}=$alphabet[$i];
146: $i++;
147: }
148: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
149: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
150: my $direction=&Apache::lonxml::get_param('direction',$parstack,$safeeval);
151: if ($target eq 'web') {
152: my $table='<table>';
153: my $i=0;
154: if ($direction eq 'horizontal') { $table .='<tr>';}
155: foreach my $name (@names) {
156: if ($direction ne 'horizontal') { $table.='<tr>'; }
157: $table.='<td>'.$alphabet[$i].'</td><td>'.
158: $Apache::response::itemgroup{$name.'.text'}.'</td>';
159: if ($direction ne 'horizontal') { $table.='</tr>'; }
160: $i++;
161: }
162: if ($direction eq 'horizontal') { $table .='</tr>';}
163: $table.='</table>';
164: $Apache::matchresponse::itemtable{'display'}=$table;
165: } elsif ($target eq 'tex') {
166: #my $table='\begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
167: my $table="\\\\ \\makebox[\\textwidth][l]{ \\begin{tabular}{ll}\n";
168: my $i=0;
169: foreach my $name (@names) {
170: $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
171: # $table.='\item['.$alphabet[$i].'] '.
172: # $Apache::response::itemgroup{$name.'.text'};
173: my $response = $Apache::response::itemgroup{"$name.text"};
174: $table .= "$alphabet[$i] & $response \\\\ \n";
175: $i++;
176: }
177: # $table.=' \end{description} \ \strut ';
178: $table .= "\\end{tabular}} \\strut \n\n \\vskip \\parskip ";
179: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
180: $Apache::matchresponse::itemtable{'display'}=$table;
181: }
182: return $result;
183: }
184:
185: sub start_item {
186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
187: my $result='';
188: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
189: &Apache::lonxml::startredirection;
190: } elsif ($target eq 'edit') {
191: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
192: $safeeval,'-2');
193: $result=&Apache::edit::tag_start($target,$token,"Item");
194: $result.=&Apache::edit::text_arg('Name:','name',$token);
195: if ($randomize ne 'no') {
196: $result.=&Apache::edit::select_arg('Location:','location',
197: ['random','top','bottom'],
198: $token);
199: }
200: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
201: } elsif ($target eq 'modified') {
202: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
203: $safeeval,'name',
204: 'location');
205: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
206: }
207: return $result;
208: }
209:
210: sub end_item {
211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
212: my $text ='';
213: my $result = '';
214: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
215: $text=&Apache::lonxml::endredirection;
216: }
217: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
218: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
219: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
220: my $location=&Apache::lonxml::get_param('location',$parstack,
221: $safeeval);
222: &Apache::lonxml::debug("Got a name of :$name:");
223: if ($name eq "") { $name=$Apache::lonxml::curdepth; }
224: &Apache::lonxml::debug("Using a name of :$name:");
225: push @{ $Apache::response::itemgroup{'names'} }, $name;
226: $Apache::response::itemgroup{"$name.text"} = $text;
227: $Apache::response::itemgroup{"$name.location"} = $location;
228: }
229: if ($target eq 'edit') {
230: $result.= &Apache::edit::tag_end($target,$token,'');
231: }
232: return $result;
233: }
234:
235: sub insert_item {
236: return '
237: <item name="">
238: <startouttext />
239: <endouttext />
240: </item>';
241: }
242:
243: %Apache::response::foilgroup=();
244: sub start_foilgroup {
245: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
246: my $result;
247: %Apache::response::foilgroup=();
248: $Apache::matchresponse::conceptgroup=0;
249: &Apache::response::pushrandomnumber();
250: if ($target eq 'edit') {
251: $result.=&Apache::edit::start_table($token)
252: ."<tr><td>Collection Of Foils</td><td>Delete:"
253: .&Apache::edit::deletelist($target,$token)
254: ."</td><td> ".&Apache::edit::end_row()
255: .&Apache::edit::start_spanning_row()."\n";
256: }
257: return $result;
258: }
259:
260: sub end_foilgroup {
261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
262: my $result;
263: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
264: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
265: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
266: $safeeval,'-2');
267: if ($target eq 'web' || $target eq 'tex') {
268: $result=&displayfoils($target,$max,$randomize);
269: } elsif ($target eq 'answer' ) {
270: $result=&displayanswers($max,$randomize);
271: } elsif ( $target eq 'grade') {
272: &grade_response($max,$randomize);
273: } elsif ( $target eq 'analyze') {
274: my @shown=&whichfoils($max,$randomize);
275: &Apache::response::analyze_store_foilgroup(\@shown,
276: ['text','value','location']);
277: #FIXME need to store options in some way
278: }
279: &Apache::lonxml::increment_counter(&getfoilcounts($max));
280: } elsif ($target eq 'edit') {
281: $result=&Apache::edit::end_table();
282: }
283: &Apache::response::poprandomnumber();
284: return $result;
285: }
286:
287: sub whichfoils {
288: my ($max,$randomize)=@_;
289: return &Apache::response::whichorder(&getfoilcounts($max),
290: $randomize,
291: &Apache::response::showallfoils(),
292: \%Apache::response::foilgroup);
293: }
294:
295: sub displayanswers {
296: my ($max,$randomize,@opt)=@_;
297: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
298: my @names = @{ $Apache::response::foilgroup{'names'} };
299: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
300: $randomize,
301: &Apache::response::showallfoils(),
302: \%Apache::response::foilgroup);
303: my %name_letter_map;
304: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
305: %name_letter_map=
306: %{ $Apache::response::itemgroup{'name_letter_map'} };
307: }
308: my $result;
309: if ($Apache::lonhomework::type eq 'exam') {
310: my $i=0;
311: foreach my $name (@whichfoils) {
312: $result.=&Apache::response::answer_header('matchresponse',$i++);
313: my $value_name=$Apache::response::foilgroup{$name.'.value'};
314: my $letter=$name_letter_map{$value_name};
315: $result.=&Apache::response::answer_part('matchresponse',$letter);
316: $result.=&Apache::response::answer_footer('matchresponse');
317: }
318: } else {
319: $result=&Apache::response::answer_header('matchresponse');
320: foreach my $name (@whichfoils) {
321: my $value_name=$Apache::response::foilgroup{$name.'.value'};
322: my $letter=$name_letter_map{$value_name};
323: $result.=&Apache::response::answer_part('matchresponse',$letter);
324: }
325: $result.=&Apache::response::answer_footer('matchresponse');
326: }
327: return $result;
328: }
329:
330:
331: sub grade_response {
332: my ($max,$randomize)=@_;
333: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
334: $randomize,
335: &Apache::response::showallfoils(),
336: \%Apache::response::foilgroup);
337: if (!&Apache::response::submitted()) { return; }
338: my %responsehash;
339: my %grade;
340: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
341: my %letter_name_map;
342: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
343: %letter_name_map=
344: %{ $Apache::response::itemgroup{'letter_name_map'} };
345: }
346: my @items;
347: foreach my $name (@whichfoils) {
348: my $response = &Apache::response::getresponse($temp,'letter');
349: push(@items,$response);
350: my $responsename = $letter_name_map{$response};
351: my $value=$Apache::response::foilgroup{$name.'.value'};
352: if ( $response =~ /[^\s]/) {
353: $responsehash{$name}=$responsename;
354: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
355: if ($value eq $responsename) {
356: $grade{$name}='1'; $right++;
357: } else {
358: $grade{$name}='0'; $wrong++;
359: }
360: } else {
361: $ignored++;
362: }
363: $temp++;
364: }
365: my $part=$Apache::inputtags::part;
366: my $id = $Apache::inputtags::response['-1'];
367: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
368: my $itemstr =&Apache::lonnet::array2str(@items);
369: my $gradestr =&Apache::lonnet::hash2str(%grade);
370: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
371: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
372: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
373: $responsestr;
374: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
375: $itemstr;
376: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
377: $gradestr;
378: if ($Apache::lonhomework::type eq 'survey') {
379: if ($ignored == 0) {
380: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
381: &Apache::response::handle_previous(\%previous,$ad);
382: } elsif ($wrong==0 && $right==0) {
383: } else {
384: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='MISSING_ANSWER';
385: &Apache::response::handle_previous(\%previous,$ad);
386: }
387: } elsif (!$Apache::lonhomework::scantronmode) {
388: my $ad;
389: if ($wrong==0 && $ignored==0) {
390: $ad='EXACT_ANS';
391: } elsif ($wrong==0 && $right==0) {
392: #nothing submitted
393: } else {
394: if ($ignored==0) {
395: $ad='INCORRECT';
396: } else {
397: $ad='MISSING_ANSWER';
398: }
399: }
400: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
401: &Apache::response::handle_previous(\%previous,$ad);
402: } else {
403: my $ad;
404: if ($wrong==0 && $right==0) {
405: #nothing submitted
406: } else {
407: $ad='ASSIGNED_SCORE';
408: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
409: $ad;
410: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
411: $right/(scalar(@whichfoils));
412: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
413: scalar(@whichfoils);
414: }
415: }
416: }
417:
418: sub itemdisplay {
419: my ($location)=@_;
420: if ($location eq 'top' &&
421: !defined($Apache::matchresponse::itemtable{'location'})) {
422: return $Apache::matchresponse::itemtable{'display'};
423: }
424: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
425: return $Apache::matchresponse::itemtable{'display'};
426: }
427: return undef;
428: }
429: sub displayfoils {
430: my ($target,$max,$randomize)=@_;
431: my $result;
432: my $question;
433: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
434: $randomize,
435: &Apache::response::showallfoils(),
436: \%Apache::response::foilgroup);
437: my $part=$Apache::inputtags::part;
438: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
439: my %letter_name_map;
440: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
441: %letter_name_map=
442: %{ $Apache::response::itemgroup{'letter_name_map'} };
443: }
444: my %name_letter_map;
445: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
446: %name_letter_map=
447: %{ $Apache::response::itemgroup{'name_letter_map'} };
448: }
449: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
450: foreach my $name (@whichfoils) {
451: my $text=$Apache::response::foilgroup{$name.'.text'};
452: my $value=$Apache::response::foilgroup{$name.'.value'};
453: my $letter=$name_letter_map{$value};
454: if ($target eq 'tex') {
455: $question.=' \\\\ '.$letter.':'.$text;
456: } else {
457: $question.='<br /><b>'.$letter.':</b> '.$text;
458: }
459: }
460: } else {
461: my $i = 0;
462: my $temp=1;
463: my $id=$Apache::inputtags::response[-1];
464: my $part=$Apache::inputtags::part;
465: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
466: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
467: my @alphabet=('A'..'Z');
468: my @used_letters=sort(keys(%letter_name_map));
469: my $internal_counter=$Apache::lonxml::counter;
470: foreach my $name (@whichfoils) {
471: my $lastopt=$lastresponse{$name};
472: my $last_letter=$name_letter_map{$lastopt};
473: my $optionlist = '';
474: if ($target ne 'tex') {
475: $optionlist="<option></option>\n";
476: } else {
477: if ($Apache::lonhomework::type ne 'exam') {
478: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
479: }
480: }
481: my $option;
482: foreach $option (@used_letters) {
483: if ($option eq $last_letter) {
484: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
485: } else {
486: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
487: }
488: }
489: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
490: $optionlist='<select name="HWVAL_'.
491: $Apache::inputtags::response[-1].':'.$temp.'">'.
492: $optionlist."</select>\n";
493: }
494: my $text=$Apache::response::foilgroup{$name.'.text'};
495: if ($target ne 'tex') {
496: if ($Apache::lonhomework::type ne 'exam') {
497: $question.="<br />\n".$optionlist.$text;
498: } else {
499: $question.="<br />\n".$text;
500: }
501: if ($Apache::lonhomework::type eq 'exam') {
502: my @blank;
503: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
504: }
505: } else {
506: if ($Apache::lonhomework::type eq 'exam') {
507: $question.=' '.$optionlist.$text."\n";
508: my @emptyItems = ();
509: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
510: $question.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'\end{enumerate} \vskip -8 mm \strut ';
511: $internal_counter++;
512: } else {
513: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
514: }
515: }
516: $temp++;
517: }
518: }
519: if ($result=&itemdisplay('top')) {
520: $result.=$question;
521: } elsif ($result=&itemdisplay('bottom')) {
522: $result=$question.$result;
523: } elsif ($result=&itemdisplay('right')) {
524: if ($target ne 'tex') {
525: #remove the first <br />
526: $question=~s|<br />||;
527: $result='<table><tr><td valign="top">'.$question.
528: '</td><td valign="top">'.$result.'</td></tr></table>';
529: } else {
530: my $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
531: my ($lefttabsize,$righttabsize)=(0,0);
532: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
533: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
534: $lefttabsize=$tabsize*$1/100;
535: $righttabsize=0.95*($tabsize-$lefttabsize);
536: } else {
537: $tabsize=~/(\d+\.?\d*)/;
538: $lefttabsize=$1/2.1;
539: $righttabsize=0.95*($1-$lefttabsize);
540: }
541: $lefttabsize.=' mm ';
542: $righttabsize.=' mm ';
543: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
544: }
545: } elsif ($result=&itemdisplay('left')) {
546: if ($target ne 'tex') {
547: #remove the first <br />
548: $question=~s|<br />||;
549: $result='<table><tr><td valign="top">'.$result.
550: '</td><td valign="top">'.$question.'</td></tr></table>';
551: } else {
552: my $tabsize=&Apache::londefdef::recalc($env{'form.textwidth'});
553: my ($lefttabsize,$righttabsize)=(0,0);
554: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
555: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
556: $lefttabsize=$tabsize*$1/100;
557: $righttabsize=0.95*($tabsize-$lefttabsize);
558: } else {
559: $tabsize=~/(\d+\.?\d*)/;
560: $lefttabsize=$1/2.1;
561: $righttabsize=0.95*($1-$lefttabsize);
562: }
563: $lefttabsize.=' mm ';
564: $righttabsize.=' mm ';
565: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
566: }
567: }
568: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
569: return $result;
570: }
571:
572: sub getfoilcounts {
573: my ($max)=@_;
574: # +1 since instructors will count from 1
575: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
576: if (&Apache::response::showallfoils()) { $max=$count; }
577: if ($count>$max) { $count=$max }
578: &Apache::lonxml::debug("Count is $count from $max");
579: return $count;
580: }
581:
582:
583: sub start_conceptgroup {
584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
585: $Apache::matchresponse::conceptgroup=1;
586: %Apache::response::conceptgroup=();
587: my $result;
588: if ($target eq 'edit') {
589: $result.=&Apache::edit::tag_start($target,$token,
590: "Concept Grouped Foils");
591: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
592: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
593: }
594: if ($target eq 'modified') {
595: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
596: $safeeval,'concept');
597: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
598: }
599: return $result;
600: }
601:
602: sub end_conceptgroup {
603: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
604: $Apache::matchresponse::conceptgroup=0;
605: my $result='';
606: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
607: $target eq 'tex' || $target eq 'analyze') {
608: &Apache::response::pick_foil_for_concept($target,
609: ['value','text','location'],
610: \%Apache::hint::match,
611: $parstack,$safeeval);
612: } elsif ($target eq 'edit') {
613: $result=&Apache::edit::end_table();
614: }
615: return $result;
616: }
617:
618: sub insert_conceptgroup {
619: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
620: return $result;
621: }
622:
623: sub start_foil {
624: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
625: my $result='';
626: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
627: &Apache::lonxml::startredirection;
628: if ($target eq 'analyze') {
629: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
630: }
631: } elsif ($target eq 'edit') {
632: $result=&Apache::edit::tag_start($target,$token,"Foil");
633: my $level='-2';
634: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
635: $result.=&Apache::edit::text_arg('Name:','name',$token);
636: my @names;
637: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
638: @names=@{ $Apache::response::itemgroup{'names'} };
639: }
640: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
641: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
642: $safeeval,'-3');
643: if ($randomize ne 'no') {
644: $result.=&Apache::edit::select_arg('Location:','location',
645: ['random','top','bottom'],$token);
646: }
647: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
648: } elsif ($target eq 'modified') {
649: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
650: $safeeval,'value',
651: 'name','location');
652: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
653: }
654: return $result;
655: }
656:
657: sub end_foil {
658: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
659: my $text ='';
660: my $result = '';
661: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
662: $text=&Apache::lonxml::endredirection;
663: }
664:
665: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
666: $target eq 'tex' || $target eq 'analyze') {
667: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
668: $text='\vskip 5mm $\triangleright$ '.$text;
669: }
670: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
671: if ($value ne 'unused') {
672: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
673: &Apache::lonxml::debug("Got a name of :$name:");
674: if (!$name) {
675: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
676: $name=$Apache::lonxml::curdepth;
677: }
678: &Apache::lonxml::debug("Using a name of :$name:");
679: if (defined($Apache::response::foilnames{$name})) {
680: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
681: }
682: $Apache::response::foilnames{$name}++;
683: my $location =&Apache::lonxml::get_param('location',$parstack,
684: $safeeval);
685: if ( $Apache::matchresponse::conceptgroup
686: && !&Apache::response::showallfoils() ) {
687: push @{ $Apache::response::conceptgroup{'names'} }, $name;
688: $Apache::response::conceptgroup{"$name.value"} = $value;
689: $Apache::response::conceptgroup{"$name.text"} = $text;
690: $Apache::response::conceptgroup{"$name.location"} = $location;
691: } else {
692: push @{ $Apache::response::foilgroup{'names'} }, $name;
693: $Apache::response::foilgroup{"$name.value"} = $value;
694: $Apache::response::foilgroup{"$name.text"} = $text;
695: $Apache::response::foilgroup{"$name.location"} = $location;
696: }
697: }
698: }
699: if ($target eq 'edit') {
700: $result.= &Apache::edit::tag_end($target,$token,'');
701: }
702: return $result;
703: }
704:
705: sub insert_foil {
706: return '
707: <foil name="" value="unused">
708: <startouttext />
709: <endouttext />
710: </foil>';
711: }
712: 1;
713: __END__
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