1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.77 2003/10/27 18:26:15 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: # 2/21 Guy
29:
30: package Apache::radiobuttonresponse;
31: use strict;
32: use HTML::Entities();
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
36: }
37:
38: sub start_radiobuttonresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41: #when in a radiobutton response use these
42: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'radiobuttonresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: %Apache::hint::radiobutton=();
46: if ($target eq 'meta') {
47: $result=&Apache::response::meta_package_write('radiobuttonresponse');
48: } elsif ($target eq 'edit' ) {
49: $result.=&Apache::edit::start_table($token).
50: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
51: &Apache::edit::deletelist($target,$token)
52: ."</td><td> ".&Apache::edit::end_row()
53: .&Apache::edit::start_spanning_row();
54:
55: $result.=
56: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
57: &Apache::edit::select_arg('Randomize Foil Order','randomize',
58: ['yes','no'],$token).
59: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
60: } elsif ($target eq 'modified') {
61: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
62: $safeeval,'max','randomize');
63: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
64: } elsif ($target eq 'tex') {
65: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,undef,0);
66: if ($type eq '1') {
67: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
68: } elsif ($type eq 'A') {
69: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
70: } elsif ($type eq 'a') {
71: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
72: } elsif ($type eq 'i') {
73: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
74: }
75: $result .= '\begin{enumerate}';
76: } elsif ($target eq 'analyze') {
77: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
78: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
79: }
80: return $result;
81: }
82:
83: sub end_radiobuttonresponse {
84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
85: my $result;
86: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
87: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
88: &Apache::response::end_response;
89: pop @Apache::lonxml::namespace;
90: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
91: return $result;
92: }
93:
94: %Apache::response::foilgroup=();
95: sub start_foilgroup {
96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
97: my $result;
98: %Apache::response::foilgroup=();
99: $Apache::radiobuttonresponse::conceptgroup=0;
100: &Apache::response::setrandomnumber();
101: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
102: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
103: }
104: return $result;
105: }
106:
107: sub storesurvey {
108: if ( !defined($ENV{'form.submitted'})) { return ''; }
109: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
110: &Apache::lonxml::debug("Here I am!:$response:");
111: if ( $response !~ /[0-9]+/) { return ''; }
112: my $id = $Apache::inputtags::response['-1'];
113: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
114: my %responsehash;
115: $responsehash{$whichfoils[$response]}=$response;
116: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
117: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
118: &Apache::lonxml::debug("submitted a $response<br />\n");
119: return '';
120: }
121:
122: sub grade_response {
123: my ($max,$randomize)=@_;
124: #keep the random numbers the same must always call this
125: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
126: if (!defined($ENV{'form.submitted'})) { return; }
127: my $response;
128: if ($ENV{'form.submitted'} eq 'scantron') {
129: $response=&Apache::response::getresponse();
130: } else {
131: $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
132: }
133: if ( $response !~ /[0-9]+/) { return; }
134: my $part=$Apache::inputtags::part;
135: my $id = $Apache::inputtags::response['-1'];
136: my %responsehash;
137: $responsehash{$whichfoils[$response]}=$response;
138: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
139: my %previous=&Apache::response::check_for_previous($responsestr,
140: $part,$id);
141: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
142: $responsestr;
143: &Apache::lonxml::debug("submitted a $response<br />\n");
144: my $ad;
145: if ($response == $answer) {
146: $ad='EXACT_ANS';
147: } else {
148: $ad='INCORRECT';
149: }
150: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
151: &Apache::response::handle_previous(\%previous,$ad);
152: }
153:
154: sub end_foilgroup {
155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
156:
157: my $result;
158: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
159: my $style = $Apache::lonhomework::type;
160: if ( $style eq 'survey' && $target ne 'analyze') {
161: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
162: $result=&displayallfoils();
163: } elsif ( $target eq 'grade' ) {
164: $result=&storesurvey();
165: }
166: } else {
167: my $name;
168: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
169: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
170: $safeeval,'-2');
171: if ($target eq 'web' || $target eq 'tex') {
172: $result=&displayfoils($target,$max,$randomize);
173: } elsif ($target eq 'answer' ) {
174: $result=&displayanswers($max,$randomize);
175: } elsif ( $target eq 'grade') {
176: &grade_response($max,$randomize);
177: } elsif ( $target eq 'analyze') {
178: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
179: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
180: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
181: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
182: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
183: $Apache::response::foilgroup{"$name.value"};
184: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
185: $Apache::response::foilgroup{"$name.text"};
186: }
187: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($max,$randomize));
188: }
189: }
190: }
191: &Apache::lonxml::increment_counter();
192: return $result;
193: }
194:
195: sub getfoilcounts {
196: my @names;
197: my $truecnt=0;
198: my $falsecnt=0;
199: my $name;
200: if ( $Apache::response::foilgroup{'names'} ) {
201: @names= @{ $Apache::response::foilgroup{'names'} };
202: }
203: foreach $name (@names) {
204: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
205: $truecnt++;
206: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
207: $falsecnt++;
208: }
209: }
210: return ($truecnt,$falsecnt);
211: }
212:
213: sub displayallfoils {
214: my $result;
215: &Apache::lonxml::debug("survey style display");
216: my @names = @{ $Apache::response::foilgroup{'names'} };
217: my $temp=0;
218: my $id=$Apache::inputtags::response['-1'];
219: my $part=$Apache::inputtags::part;
220: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
221: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
222: if (&Apache::response::show_answer() ) {
223: foreach my $name (@names) {
224: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
225: $result.="<br />".$Apache::response::foilgroup{$name.'.value'};
226: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
227: $result.='<b>';
228: }
229: $result .= $Apache::response::foilgroup{$name.'.text'};
230: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
231: $result.='</b>';
232: }
233: }
234: }
235: } else {
236: foreach my $name (@names) {
237: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
238: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
239: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
240: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
241: $temp++;
242: }
243: }
244: }
245: return $result;
246: }
247:
248: sub whichfoils {
249: my ($max,$randomize)=@_;
250:
251: my @truelist;
252: my @falselist;
253: my @whichfalse =();
254: my ($truecnt,$falsecnt) = &getfoilcounts();
255: my $count=0;
256: # we will add in 1 of the true statements
257: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
258: my $answer=int(&Math::Random::random_uniform() * ($count));
259: &Apache::lonxml::debug("Count is $count, $answer is $answer");
260: my @names;
261: if ( $Apache::response::foilgroup{'names'} ) {
262: @names= @{ $Apache::response::foilgroup{'names'} };
263: }
264: if (&Apache::response::showallfoils()) {
265: @whichfalse=@names;
266: } elsif ($randomize eq 'no') {
267: &Apache::lonxml::debug("No randomization");
268: my $havetrue=0;
269: foreach my $name (@names) {
270: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
271: if (!$havetrue ) {
272: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
273: }
274: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
275: push (@whichfalse,$name);
276: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
277: } else {
278: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
279: }
280: }
281: } else {
282: my $current=0;
283: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
284: my (%top,%bottom);
285: #first find out where everyone wants to be
286: foreach my $name (@names) {
287: $current++;
288: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
289: push (@truelist,$name);
290: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
291: $top{$name}=$current;
292: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
293: $bottom{$name}=$current;
294: }
295: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
296: push (@falselist,$name);
297: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
298: $top{$name}=$current;
299: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
300: $bottom{$name}=$current;
301: }
302: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
303: } else {
304: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
305: }
306: }
307: #pick a true statement
308: my $notrue=0;
309: if (scalar(@truelist) == 0) { $notrue=1; }
310: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
311: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
312: my (@toplist, @bottomlist);
313: my $topcount=0;
314: my $bottomcount=0;
315: # assign everyone to either toplist/bottomlist or whichfalse
316: # which false is randomized, toplist bottomlist are in order
317: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
318: &Apache::lonxml::debug("Have $#whichfalse max is $max");
319: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
320: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
321: $afalse=splice(@falselist,$afalse,1);
322: &Apache::lonxml::debug("Picked $afalse");
323: &Apache::lonhomework::showhash(('names'=>\@names));
324: &Apache::lonhomework::showhash(%top);
325: if ($top{$afalse}) {
326: $toplist[$top{$afalse}]=$afalse;
327: $topcount++;
328: } elsif ($bottom{$afalse}) {
329: $bottomlist[$bottom{$afalse}]=$afalse;
330: $bottomcount++;
331: } else {
332: push (@whichfalse,$afalse);
333: }
334: }
335: &Apache::lonxml::debug("Answer wants $answer");
336: my $truename=$truelist[$whichtrue];
337: my $dosplice=1;
338: if ($notrue) {
339: $dosplice=0;
340: &Apache::lonxml::error("There are no true statements available.<br />");
341: }
342: #insert the true statement, keeping track of where it wants to be
343: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
344: $toplist[$top{$truename}]=$truename;
345: $answer=-1;
346: foreach my $top (reverse(@toplist)) {
347: if ($top) { $answer++;}
348: if ($top eq $truename) { last; }
349: }
350: $dosplice=0;
351: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
352: $bottomlist[$bottom{$truename}]=$truename;
353: $answer=-1;
354: foreach my $bot (@bottomlist) {
355: if ($bot) { $answer++;}
356: if ($bot eq $truename) { last; }
357: }
358: $answer+=$topcount+$#whichfalse+1;
359: $dosplice=0;
360: } else {
361: if ($topcount>0 || $bottomcount>0) {
362: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
363: + $topcount;
364: }
365: }
366: &Apache::lonxml::debug("Answer now wants $answer");
367: #add the top items to the top, bottom items to the bottom
368: for (my $i=0;$i<=$#toplist;$i++) {
369: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
370: }
371: for (my $i=0;$i<=$#bottomlist;$i++) {
372: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
373: }
374: #if the true statement is randomized insert it into the list
375: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
376: }
377: &Apache::lonxml::debug("Answer is $answer");
378: return ($answer,@whichfalse);
379: }
380:
381: sub displayfoils {
382: my ($target,$max,$randomize)=@_;
383: my $result;
384:
385: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
386: my $part=$Apache::inputtags::part;
387: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
388: if ( ($target ne 'tex') &&
389: &Apache::response::show_answer() ) {
390: foreach my $name (@whichfoils) {
391: if ($target ne 'tex') {
392: $result.="<br />";
393: } else {
394: $result.='\item \vskip -2 mm ';
395: }
396: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
397: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
398: } else {
399: $result.='Incorrect:';
400: }
401: if ($target ne 'tex') {
402: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
403: } else {
404: $result.=$Apache::response::foilgroup{$name.'.text'};
405: }
406: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
407: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
408: }
409: }
410: } else {
411: my @alphabet = ('A'..'Z');
412: my $i = 0;
413: my $temp=0;
414: my $id=$Apache::inputtags::response['-1'];
415: my $part=$Apache::inputtags::part;
416: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
417: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
418: foreach my $name (@whichfoils) {
419: if ($target ne 'tex') {
420: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
421: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
422: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
423: } else {
424: if ($Apache::lonhomework::type eq 'exam') {
425: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
426: $i++;
427: } else {
428: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
429: }
430: }
431: $temp++;
432: }
433: }
434: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
435: return $result;
436: }
437:
438: sub displayanswers {
439: my ($max,$randomize)=@_;
440: my ($answer,@whichopt) = &whichfoils($max,$randomize);
441: my $result=&Apache::response::answer_header('radiobuttonresponse');
442: foreach my $name (@whichopt) {
443: $result.=&Apache::response::answer_part('radiobuttonresponse',
444: $Apache::response::foilgroup{$name.'.value'})
445: }
446: $result.=&Apache::response::answer_footer('radiobuttonresponse');
447: return $result;
448: }
449:
450: sub start_conceptgroup {
451: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
452: $Apache::radiobuttonresponse::conceptgroup=1;
453: %Apache::response::conceptgroup=();
454: my $result;
455: if ($target eq 'edit') {
456: $result.=&Apache::edit::tag_start($target,$token);
457: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
458: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
459: } elsif ($target eq 'modified') {
460: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
461: $safeeval,'concept');
462: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
463: }
464: return $result;
465: }
466:
467: sub end_conceptgroup {
468: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
469: $Apache::radiobuttonresponse::conceptgroup=0;
470: my $result;
471: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
472: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
473: my @names = @{ $Apache::response::conceptgroup{'names'} };
474: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
475: my $name=$names[$pick];
476: push @{ $Apache::response::foilgroup{'names'} }, $name;
477: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
478: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
479: $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
480: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
481: $Apache::response::foilgroup{"$name.concept"} = $concept;
482: &Apache::lonxml::debug("Selecting $name in $concept");
483: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
484: push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
485: $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
486: $Apache::response::conceptgroup{'names'};
487: if ($target eq 'analyze') {
488: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
489: $concept);
490: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
491: $Apache::response::conceptgroup{'names'};
492: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
493: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
494: $name);
495: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
496: $Apache::response::conceptgroup{"$name.value"};
497: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
498: $Apache::response::conceptgroup{"$name.text"};
499: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
500: $Apache::response::conceptgroup{"$name.location"};
501: }
502: }
503: }
504: } elsif ($target eq 'edit') {
505: $result=&Apache::edit::end_table();
506: }
507: return $result;
508: }
509:
510: sub insert_conceptgroup {
511: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
512: return $result;
513: }
514:
515: sub start_foil {
516: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
517: my $result='';
518: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
519: &Apache::lonxml::startredirection;
520: } elsif ($target eq 'edit') {
521: $result=&Apache::edit::tag_start($target,$token);
522: $result.=&Apache::edit::text_arg('Name:','name',$token);
523: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
524: ['unused','true','false'],$token);
525: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
526: $safeeval,'-3');
527: if ($randomize ne 'no') {
528: $result.=&Apache::edit::select_arg('Location:','location',
529: ['random','top','bottom'],$token);
530: }
531: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
532: } elsif ($target eq 'modified') {
533: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
534: 'value','name','location');
535: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
536: }
537: return $result;
538: }
539:
540: sub end_foil {
541: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
542: my $text='';
543: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
544: $text=&Apache::lonxml::endredirection;
545: }
546: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
547: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
548: if ($value ne 'unused') {
549: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
550: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
551: if (!$name) { $name=$Apache::lonxml::curdepth; }
552: if ( $Apache::radiobuttonresponse::conceptgroup
553: && !&Apache::response::showallfoils() ) {
554: push @{ $Apache::response::conceptgroup{'names'} }, $name;
555: $Apache::response::conceptgroup{"$name.value"} = $value;
556: $Apache::response::conceptgroup{"$name.text"} = $text;
557: $Apache::response::conceptgroup{"$name.location"} = $location;
558: } else {
559: push @{ $Apache::response::foilgroup{'names'} }, $name;
560: $Apache::response::foilgroup{"$name.value"} = $value;
561: $Apache::response::foilgroup{"$name.text"} = $text;
562: $Apache::response::foilgroup{"$name.location"} = $location;
563: }
564: }
565: }
566: return '';
567: }
568:
569: sub insert_foil {
570: return '
571: <foil name="" value="unused">
572: <startouttext />
573: <endouttext />
574: </foil>';
575: }
576: 1;
577: __END__
578:
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