1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
4: # $Id: matchresponse.pm,v 1.46 2004/10/07 20:28:30 albertel 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:
36: BEGIN {
37: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
38: }
39:
40: sub start_matchresponse {
41: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
42: my $result;
43: #when in a matchresponse use these
44: &Apache::lonxml::register('Apache::matchresponse',
45: ('foilgroup','foil','conceptgroup','item',
46: 'itemgroup'));
47: push (@Apache::lonxml::namespace,'matchresponse');
48: my $id = &Apache::response::start_response($parstack,$safeeval);
49: %Apache::hint::match=();
50: undef(%Apache::response::foilnames);
51: if ($target eq 'meta') {
52: $result=&Apache::response::meta_package_write('matchresponse');
53: } elsif ($target eq 'edit' ) {
54: $result.=&Apache::edit::start_table($token).
55: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
56: &Apache::edit::deletelist($target,$token)
57: ."</td><td> ".&Apache::edit::end_row()
58: .&Apache::edit::start_spanning_row();
59:
60: $result.=
61: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
62: &Apache::edit::select_arg('Randomize Foil Order','randomize',
63: ['yes','no'],$token).
64: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
65: } elsif ($target eq 'modified') {
66: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
67: $safeeval,'max',
68: 'randomize');
69: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
70: } elsif ($target eq 'analyze') {
71: my $part_id="$Apache::inputtags::part.$id";
72: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
73: }
74: return $result;
75: }
76:
77: sub end_matchresponse {
78: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
79: my $result;
80: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
81: &Apache::response::end_response;
82: pop @Apache::lonxml::namespace;
83: &Apache::lonxml::deregister('Apache::matchresponse',
84: ('foilgroup','foil','conceptgroup'));
85: undef(%Apache::response::foilnames);
86: return $result;
87: }
88:
89: %Apache::response::itemgroup=();
90: sub start_itemgroup {
91: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
92: my $result;
93: %Apache::response::itemgroup=();
94: %Apache::matchresponse::itemtable=();
95:
96: if ($target eq 'edit') {
97: $result=&Apache::edit::tag_start($target,$token);
98: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
99: ['yes','no'],$token);
100: $result.=&Apache::edit::select_arg('Items Display Location:',
101: 'location',
102: ['top','bottom','left','right'],
103: $token);
104: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
105: } elsif ($target eq 'modified') {
106: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
107: $safeeval,'randomize',
108: 'location');
109: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
110: } elsif ($target eq 'web' or $target eq 'tex') {
111: $Apache::matchresponse::itemtable{'location'}=
112: &Apache::lonxml::get_param('location',$parstack,$safeeval);
113: $Apache::matchresponse::TeXitemgroupwidth=&Apache::lonxml::get_param('TeXitemgroupwidth',$parstack,$safeeval,undef,0);
114: }
115: return $result;
116: }
117:
118: sub end_itemgroup {
119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
120: my $result;
121:
122: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
123: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
124: my @names=@{ $Apache::response::itemgroup{'names'} };
125: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
126: if ($randomize ne 'no' ) {
127: @names=&Apache::response::whichorder($#names+1,$randomize,0,
128: \%Apache::response::itemgroup);
129: }
130: if ($target eq 'analyze') {
131: my $partid="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
132: push (@{ $Apache::lonhomework::analyze{"$partid.items"} }, @names);
133: }
134: my %letter_name_map;
135: my %name_letter_map;
136: my @alphabet=('A'..'Z');
137: my $i=0;
138: foreach my $name (@names) {
139: $letter_name_map{$alphabet[$i]}=$name;
140: $name_letter_map{$name}=$alphabet[$i];
141: $i++;
142: }
143: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
144: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
145: if ($target eq 'web') {
146: my $table='<table>';
147: my $i=0;
148: foreach my $name (@names) {
149: $table.='<tr><td>'.$alphabet[$i].'</td><td>'.
150: $Apache::response::itemgroup{$name.'.text'}.
151: '</td></tr>';
152: $i++;
153: }
154: $table.='</table>';
155: $Apache::matchresponse::itemtable{'display'}=$table;
156: } elsif ($target eq 'tex') {
157: my $table=' \begin{description}\setlength{\leftmargin}{2em}\setlength{\labelwidth}{1em}\setlength{\itemsep}{0.5pt plus1pt minus2pt}\setlength{\listparindent}{0em} ';
158: my $i=0;
159: foreach my $name (@names) {
160: $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
161: $table.='\item['.$alphabet[$i].'] '.
162: $Apache::response::itemgroup{$name.'.text'};
163: $i++;
164: }
165: $table.=' \end{description} \strut ';
166: if ($Apache::lonhomework::type eq 'exam') {$table.='\vskip -13 mm \strut ';}
167: $Apache::matchresponse::itemtable{'display'}=$table;
168: }
169: return $result;
170: }
171:
172: sub start_item {
173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
174: my $result='';
175: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
176: &Apache::lonxml::startredirection;
177: } elsif ($target eq 'edit') {
178: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
179: $safeeval,'-2');
180: $result=&Apache::edit::tag_start($target,$token,"Item");
181: $result.=&Apache::edit::text_arg('Name:','name',$token);
182: if ($randomize ne 'no') {
183: $result.=&Apache::edit::select_arg('Location:','location',
184: ['random','top','bottom'],
185: $token);
186: }
187: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
188: } elsif ($target eq 'modified') {
189: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
190: $safeeval,'name',
191: 'location');
192: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
193: }
194: return $result;
195: }
196:
197: sub end_item {
198: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
199: my $text ='';
200: my $result = '';
201: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
202: $text=&Apache::lonxml::endredirection;
203: }
204: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
205: $target eq 'edit' || $target eq 'tex' || $target eq 'analyze') {
206: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
207: my $location=&Apache::lonxml::get_param('location',$parstack,
208: $safeeval);
209: &Apache::lonxml::debug("Got a name of :$name:");
210: if (!$name) { $name=$Apache::lonxml::curdepth; }
211: &Apache::lonxml::debug("Using a name of :$name:");
212: push @{ $Apache::response::itemgroup{'names'} }, $name;
213: $Apache::response::itemgroup{"$name.text"} = $text;
214: $Apache::response::itemgroup{"$name.location"} = $location;
215: }
216: if ($target eq 'edit') {
217: $result.= &Apache::edit::tag_end($target,$token,'');
218: }
219: return $result;
220: }
221:
222: sub insert_item {
223: return '
224: <item name="">
225: <startouttext />
226: <endouttext />
227: </item>';
228: }
229:
230: %Apache::response::foilgroup=();
231: sub start_foilgroup {
232: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
233: my $result;
234: %Apache::response::foilgroup=();
235: $Apache::matchresponse::conceptgroup=0;
236: &Apache::response::pushrandomnumber();
237: if ($target eq 'edit') {
238: $result.=&Apache::edit::start_table($token)
239: ."<tr><td>Collection Of Foils</td><td>Delete:"
240: .&Apache::edit::deletelist($target,$token)
241: ."</td><td> ".&Apache::edit::end_row()
242: .&Apache::edit::start_spanning_row()."\n";
243: }
244: return $result;
245: }
246:
247: sub end_foilgroup {
248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
249: my $result;
250: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
251: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
252: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
253: $safeeval,'-2');
254: if ($target eq 'web' || $target eq 'tex') {
255: $result=&displayfoils($target,$max,$randomize);
256: } elsif ($target eq 'answer' ) {
257: $result=&displayanswers($max,$randomize);
258: } elsif ( $target eq 'grade') {
259: &grade_response($max,$randomize);
260: } elsif ( $target eq 'analyze') {
261: my @shown=&whichfoils($max,$randomize);
262: &Apache::response::analyze_store_foilgroup(\@shown,
263: ['text','value','location']);
264: #FIXME need to store options in some way
265: }
266: &Apache::lonxml::increment_counter(&getfoilcounts($max));
267: } elsif ($target eq 'edit') {
268: $result=&Apache::edit::end_table();
269: }
270: &Apache::response::poprandomnumber();
271: return $result;
272: }
273:
274: sub whichfoils {
275: my ($max,$randomize)=@_;
276: return &Apache::response::whichorder(&getfoilcounts($max),
277: $randomize,
278: &Apache::response::showallfoils(),
279: \%Apache::response::foilgroup);
280: }
281:
282: sub displayanswers {
283: my ($max,$randomize,@opt)=@_;
284: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
285: my @names = @{ $Apache::response::foilgroup{'names'} };
286: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
287: $randomize,
288: &Apache::response::showallfoils(),
289: \%Apache::response::foilgroup);
290: my $result=&Apache::response::answer_header('matchresponse');
291: my %name_letter_map;
292: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
293: %name_letter_map=
294: %{ $Apache::response::itemgroup{'name_letter_map'} };
295: }
296: foreach my $name (@whichfoils) {
297: my $value_name=$Apache::response::foilgroup{$name.'.value'};
298: my $letter=$name_letter_map{$value_name};
299: $result.=&Apache::response::answer_part('matchresponse',$letter);
300: }
301: $result.=&Apache::response::answer_footer('matchresponse');
302: return $result;
303: }
304:
305:
306: sub grade_response {
307: my ($max,$randomize)=@_;
308: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
309: $randomize,
310: &Apache::response::showallfoils(),
311: \%Apache::response::foilgroup);
312: if (!defined($ENV{'form.submitted'})) { return; }
313: my %responsehash;
314: my %grade;
315: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
316: my %letter_name_map;
317: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
318: %letter_name_map=
319: %{ $Apache::response::itemgroup{'letter_name_map'} };
320: }
321: my @items;
322: foreach my $name (@whichfoils) {
323: my $response = &Apache::response::getresponse($temp,'letter');
324: push(@items,$response);
325: my $responsename = $letter_name_map{$response};
326: my $value=$Apache::response::foilgroup{$name.'.value'};
327: if ( $response =~ /[^\s]/) {
328: $responsehash{$name}=$responsename;
329: &Apache::lonxml::debug("submitted a $response($responsename) for $value<br />\n");
330: if ($value eq $responsename) {
331: $grade{$name}='1'; $right++;
332: } else {
333: $grade{$name}='0'; $wrong++;
334: }
335: } else {
336: $ignored++;
337: }
338: $temp++;
339: }
340: my $part=$Apache::inputtags::part;
341: my $id = $Apache::inputtags::response['-1'];
342: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
343: my $itemstr =&Apache::lonnet::array2str(@items);
344: my $gradestr =&Apache::lonnet::hash2str(%grade);
345: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
346: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
347: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
348: $responsestr;
349: $Apache::lonhomework::results{"resource.$part.$id.submissionitems"}=
350: $itemstr;
351: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
352: $gradestr;
353: if (!$Apache::lonhomework::scantronmode) {
354: my $ad;
355: if ($wrong==0 && $ignored==0) {
356: $ad='EXACT_ANS';
357: } elsif ($wrong==0 && $right==0) {
358: #nothing submitted
359: } else {
360: if ($ignored==0) {
361: $ad='INCORRECT';
362: } else {
363: $ad='MISSING_ANSWER';
364: }
365: }
366: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
367: &Apache::response::handle_previous(\%previous,$ad);
368: } else {
369: my $ad;
370: if ($wrong==0 && $right==0) {
371: #nothing submitted
372: } else {
373: $ad='ASSIGNED_SCORE';
374: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
375: $ad;
376: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
377: $right/(scalar(@whichfoils));
378: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
379: scalar(@whichfoils);
380: }
381: }
382: }
383:
384: sub itemdisplay {
385: my ($location)=@_;
386: if ($location eq 'top' &&
387: !defined($Apache::matchresponse::itemtable{'location'})) {
388: return $Apache::matchresponse::itemtable{'display'};
389: }
390: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
391: return $Apache::matchresponse::itemtable{'display'};
392: }
393: return undef;
394: }
395: sub displayfoils {
396: my ($target,$max,$randomize)=@_;
397: my $result;
398: my $question;
399: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
400: $randomize,
401: &Apache::response::showallfoils(),
402: \%Apache::response::foilgroup);
403: my $part=$Apache::inputtags::part;
404: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
405: my %letter_name_map;
406: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
407: %letter_name_map=
408: %{ $Apache::response::itemgroup{'letter_name_map'} };
409: }
410: my %name_letter_map;
411: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
412: %name_letter_map=
413: %{ $Apache::response::itemgroup{'name_letter_map'} };
414: }
415: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
416: foreach my $name (@whichfoils) {
417: my $text=$Apache::response::foilgroup{$name.'.text'};
418: my $value=$Apache::response::foilgroup{$name.'.value'};
419: my $letter=$name_letter_map{$value};
420: if ($target eq 'tex') {
421: $question.=' \\\\ '.$letter.':'.$text;
422: } else {
423: $question.='<br />'.$letter.':'.$text;
424: }
425: }
426: } else {
427: my $i = 0;
428: my $temp=1;
429: my $id=$Apache::inputtags::response[-1];
430: my $part=$Apache::inputtags::part;
431: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
432: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
433: my @alphabet=('A'..'Z');
434: my @used_letters=sort(keys(%letter_name_map));
435: my $internal_counter=$Apache::lonxml::counter;
436: foreach my $name (@whichfoils) {
437: my $lastopt=$lastresponse{$name};
438: my $last_letter=$name_letter_map{$lastopt};
439: my $optionlist = '';
440: if ($target ne 'tex') {
441: $optionlist="<option></option>\n";
442: } else {
443: if ($Apache::lonhomework::type ne 'exam') {
444: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
445: }
446: }
447: my $option;
448: foreach $option (@used_letters) {
449: if ($option eq $last_letter) {
450: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
451: } else {
452: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
453: }
454: }
455: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
456: $optionlist='<select name="HWVAL_'.
457: $Apache::inputtags::response[-1].':'.$temp.'">'.
458: $optionlist."</select>\n";
459: }
460: my $text=$Apache::response::foilgroup{$name.'.text'};
461: if ($target ne 'tex') {
462: if ($Apache::lonhomework::type ne 'exam') {
463: $question.="<br />\n".$optionlist.$text;
464: } else {
465: $question.="<br />\n".$text;
466: }
467: if ($Apache::lonhomework::type eq 'exam') {
468: my @blank;
469: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@blank,$temp,$last_letter);
470: }
471: } else {
472: if ($Apache::lonhomework::type eq 'exam') {
473: $question.=' '.$optionlist.$text."\n";
474: my @emptyItems = ();
475: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
476: $question.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'\end{enumerate} \vskip -8 mm \strut ';
477: $internal_counter++;
478: } else {
479: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
480: }
481: }
482: $temp++;
483: }
484: }
485: if ($result=&itemdisplay('top')) {
486: $result.=$question;
487: } elsif ($result=&itemdisplay('bottom')) {
488: $result=$question.$result;
489: } elsif ($result=&itemdisplay('right')) {
490: if ($target ne 'tex') {
491: #remove the first <br />
492: $question=~s|<br />||;
493: $result='<table><tr><td valign="top">'.$question.
494: '</td><td valign="top">'.$result.'</td></tr></table>';
495: } else {
496: my $tabsize=&Apache::londefdef::recalc($ENV{'form.textwidth'});
497: my ($lefttabsize,$righttabsize)=(0,0);
498: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
499: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
500: $lefttabsize=$tabsize*$1/100;
501: $righttabsize=0.95*($tabsize-$lefttabsize);
502: } else {
503: $tabsize=~/(\d+\.?\d*)/;
504: $lefttabsize=$1/2.1;
505: $righttabsize=0.95*($1-$lefttabsize);
506: }
507: $lefttabsize.=' mm ';
508: $righttabsize.=' mm ';
509: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$righttabsize.'}p{'.$lefttabsize.'}}\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}&\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}\end{tabular}';
510: }
511: } elsif ($result=&itemdisplay('left')) {
512: if ($target ne 'tex') {
513: #remove the first <br />
514: $question=~s|<br />||;
515: $result='<table><tr><td valign="top">'.$result.
516: '</td><td valign="top">'.$question.'</td></tr></table>';
517: } else {
518: my $tabsize=&Apache::londefdef::recalc($ENV{'form.textwidth'});
519: my ($lefttabsize,$righttabsize)=(0,0);
520: if ($Apache::matchresponse::TeXitemgroupwidth ne '') {
521: $Apache::matchresponse::TeXitemgroupwidth=~/(\d*.?\d*)/;
522: $lefttabsize=$tabsize*$1/100;
523: $righttabsize=0.95*($tabsize-$lefttabsize);
524: } else {
525: $tabsize=~/(\d+\.?\d*)/;
526: $lefttabsize=$1/2.1;
527: $righttabsize=0.95*($1-$lefttabsize);
528: }
529: $lefttabsize.=' mm ';
530: $righttabsize.=' mm ';
531: $result='\setlength{\tabcolsep}{1 mm}\begin{tabular}{p{'.$lefttabsize.'}p{'.$righttabsize.'}}\begin{minipage}{'.$lefttabsize.'}'.$result.'\end{minipage}&\begin{minipage}{'.$righttabsize.'}'.$question.'\end{minipage}\end{tabular}';
532: }
533: }
534: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
535: return $result;
536: }
537:
538: sub getfoilcounts {
539: my ($max)=@_;
540: # +1 since instructors will count from 1
541: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
542: if (&Apache::response::showallfoils()) { $max=$count; }
543: if ($count>$max) { $count=$max }
544: &Apache::lonxml::debug("Count is $count from $max");
545: return $count;
546: }
547:
548:
549: sub start_conceptgroup {
550: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
551: $Apache::matchresponse::conceptgroup=1;
552: %Apache::response::conceptgroup=();
553: my $result;
554: if ($target eq 'edit') {
555: $result.=&Apache::edit::tag_start($target,$token,
556: "Concept Grouped Foils");
557: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
558: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
559: }
560: if ($target eq 'modified') {
561: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
562: $safeeval,'concept');
563: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
564: }
565: return $result;
566: }
567:
568: sub end_conceptgroup {
569: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
570: $Apache::matchresponse::conceptgroup=0;
571: my $result='';
572: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
573: $target eq 'tex' || $target eq 'analyze') {
574: &Apache::response::pick_foil_for_concept($target,
575: ['value','text','location'],
576: \%Apache::hint::match,
577: $parstack,$safeeval);
578: } elsif ($target eq 'edit') {
579: $result=&Apache::edit::end_table();
580: }
581: return $result;
582: }
583:
584: sub insert_conceptgroup {
585: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
586: return $result;
587: }
588:
589: sub start_foil {
590: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
591: my $result='';
592: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
593: &Apache::lonxml::startredirection;
594: if ($target eq 'analyze') {
595: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
596: }
597: } elsif ($target eq 'edit') {
598: $result=&Apache::edit::tag_start($target,$token,"Foil");
599: my $level='-2';
600: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
601: $result.=&Apache::edit::text_arg('Name:','name',$token);
602: my @names;
603: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
604: @names=@{ $Apache::response::itemgroup{'names'} };
605: }
606: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
607: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
608: $safeeval,'-3');
609: if ($randomize ne 'no') {
610: $result.=&Apache::edit::select_arg('Location:','location',
611: ['random','top','bottom'],$token);
612: }
613: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
614: } elsif ($target eq 'modified') {
615: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
616: $safeeval,'value',
617: 'name','location');
618: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
619: }
620: return $result;
621: }
622:
623: sub end_foil {
624: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
625: my $text ='';
626: my $result = '';
627: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
628: $text=&Apache::lonxml::endredirection;
629: }
630: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
631: $target eq 'tex' || $target eq 'analyze') {
632: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
633: if ($value ne 'unused') {
634: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
635: &Apache::lonxml::debug("Got a name of :$name:");
636: if (!$name) { $name=$Apache::lonxml::curdepth; }
637: &Apache::lonxml::debug("Using a name of :$name:");
638: if (defined($Apache::response::foilnames{$name})) {
639: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
640: }
641: $Apache::response::foilnames{$name}++;
642: my $location =&Apache::lonxml::get_param('location',$parstack,
643: $safeeval);
644: if ( $Apache::matchresponse::conceptgroup
645: && !&Apache::response::showallfoils() ) {
646: push @{ $Apache::response::conceptgroup{'names'} }, $name;
647: $Apache::response::conceptgroup{"$name.value"} = $value;
648: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
649: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
650: } else {
651: $Apache::response::conceptgroup{"$name.text"} = $text;
652: }
653: $Apache::response::conceptgroup{"$name.location"} = $location;
654: } else {
655: push @{ $Apache::response::foilgroup{'names'} }, $name;
656: $Apache::response::foilgroup{"$name.value"} = $value;
657: if ($Apache::lonhomework::type eq 'exam') {
658: if ($target eq 'tex') {
659: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
660: } else {
661: $Apache::response::foilgroup{"$name.text"} = $text;
662: }
663: } else {
664: if ($target eq 'tex') {
665: $Apache::response::foilgroup{"$name.text"} = $text;
666: } else {
667: $Apache::response::foilgroup{"$name.text"} = $text;
668: }
669: }
670: $Apache::response::foilgroup{"$name.location"} = $location;
671: }
672: }
673: }
674: if ($target eq 'edit') {
675: $result.= &Apache::edit::tag_end($target,$token,'');
676: }
677: return $result;
678: }
679:
680: sub insert_foil {
681: return '
682: <foil name="" value="unused">
683: <startouttext />
684: <endouttext />
685: </foil>';
686: }
687: 1;
688: __END__
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