1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.52 2002/10/17 14:40:05 sakharuk 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: # 01/18 Alex
30: package Apache::optionresponse;
31: use strict;
32: use Apache::response;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
36: }
37:
38: sub start_optionresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result='';
41: #when in a option response use these
42: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'optionresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: if ($target eq 'edit') {
46: $result.=&Apache::edit::start_table($token).
47: "<tr><td>Multiple Option Response Question</td><td>Delete:".
48: &Apache::edit::deletelist($target,$token)
49: ."</td><td> ".
50: &Apache::edit::end_row().
51: &Apache::edit::start_spanning_row().
52: "\n";
53: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
54: $token,'4').
55: &Apache::edit::select_arg('Randomize Foil Order','randomize',
56: ['yes','no'],$token).
57: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
58: } elsif ($target eq 'modified') {
59: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
60: $safeeval,'max','randomize');
61: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
62: } elsif ($target eq 'meta') {
63: $result=&Apache::response::meta_package_write('optionresponse');
64: } elsif ($target eq 'analyze') {
65: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
66: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
67: }
68: return $result;
69: }
70:
71: sub end_optionresponse {
72: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
73: &Apache::response::end_response;
74: pop @Apache::lonxml::namespace;
75: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
76: my $result;
77: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
78: return $result;
79: }
80:
81: %Apache::response::foilgroup=();
82: sub start_foilgroup {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84:
85: my $result='';
86: %Apache::response::foilgroup=();
87: $Apache::optionresponse::conceptgroup=0;
88: &Apache::response::setrandomnumber();
89: if ($target eq 'edit') {
90: my $optionlist="<option></option>\n";
91: my $option;
92: my @opt;
93: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
94: my $count=1;
95: foreach $option (@opt) {
96: $optionlist.="<option value=\"$count\">$option</option>\n";
97: $count++;
98: }
99: my $insertlist=&Apache::edit::insertlist($target,$token);
100: $result.=&Apache::edit::start_table($token);
101: $result.= (<<ENDTABLE);
102: <tr><td>Select Options</td>
103: <td>
104: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
105: </td>
106: <td>Delete an Option:
107: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
108: ENDTABLE
109: $result.= &Apache::edit::end_row();
110: $result.= &Apache::edit::start_spanning_row();
111: $result.= $insertlist.'<br />';
112: }
113: if ($target eq 'modified') {
114: my @options;
115: my $optchanged=0;
116: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
117: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
118: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
119: &Apache::lonxml::debug("Deleting :$delopt:");
120: splice(@options,$delopt-1,1);
121: $optchanged=1;
122: }
123: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
124: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
125: if ($options[0]) {
126: push(@options,$newopt);
127: } else {
128: $options[0]=$newopt;
129: }
130: $optchanged=1;
131: }
132: if ($optchanged) {
133: $result = "<foilgroup options=\"(";
134: foreach my $option (@options) {
135: $option=~s/\'/\\\'/g;
136: &Apache::lonxml::debug("adding option :$option:");
137: $result .="'".$option."',";
138: }
139: chop $result;
140: $result.=')">';
141: } # else nothing changed so just use the default mechanism
142: }
143: if ($target eq 'tex') {
144: $result .= ' \begin{enumerate} ';
145: }
146: return $result;
147: }
148:
149: sub end_foilgroup {
150: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
151:
152: my $result;
153: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
154: my $name;
155: my @opt;
156: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
157: &Apache::lonxml::debug("Options are $#opt");
158: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
159: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
160: $safeeval,'-2');
161: if ($target eq 'web' || $target eq 'tex') {
162: $result.=&displayfoils($target,$max,$randomize,@opt);
163: } elsif ( $target eq 'answer') {
164: $result.=&displayanswers($max,$randomize,@opt);
165: } elsif ( $target eq 'analyze') {
166: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
167: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
168: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
169: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
170: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
171: $Apache::response::foilgroup{"$name.value"};
172: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
173: $Apache::response::foilgroup{"$name.text"};
174: }
175: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
176: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($max,$randomize));
177: } elsif ( $target eq 'grade') {
178: if ( defined $ENV{'form.submitted'}) {
179: my @whichopt = &whichfoils($max,$randomize);
180: my $temp=1;my $name;
181: my %responsehash;
182: my $right=0;
183: my $wrong=0;
184: my $ignored=0;
185: foreach $name (@whichopt) {
186: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
187: $responsehash{$name}=$response;
188: if ( $response =~ /[^\s]/) {
189: my $value=$Apache::response::foilgroup{$name.'.value'};
190: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
191: if ($value eq $response) {$right++;} else {$wrong++;}
192: } else {
193: $ignored++;
194: }
195: $temp++;
196: }
197: my $part=$Apache::inputtags::part;
198: my $id = $Apache::inputtags::response['-1'];
199: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
200: my %previous=&Apache::response::check_for_previous($responsestr,
201: $part,$id);
202: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
203: my $ad;
204: if ($wrong==0 && $ignored==0) {
205: $ad='EXACT_ANS';
206: } elsif ($wrong==0 && $right==0) {
207: #nothing submitted
208: } else {
209: if ($ignored==0) {
210: $ad='INCORRECT';
211: } else {
212: $ad='MISSING_ANSWER';
213: }
214: }
215: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
216: $responsestr;
217: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
218: $ad;
219: &Apache::response::handle_previous(\%previous,$ad);
220: }
221: }
222: } elsif ($target eq 'edit') {
223: $result.=&Apache::edit::end_table();
224: }
225: if ($target eq 'tex') {$result .= '\end{enumerate}';}
226: return $result;
227: }
228:
229: sub getfoilcounts {
230: my ($max)=@_;
231: # +1 since instructors will count from 1
232: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
233: if (&Apache::response::showallfoils()) { $max=$count; }
234: if ($count>$max) { $count=$max }
235: &Apache::lonxml::debug("Count is $count from $max");
236: return $count;
237: }
238:
239: sub whichfoils {
240: my ($max,$randomize)=@_;
241: $max = &getfoilcounts($max);
242: &Apache::lonxml::debug("randomize $randomize");
243: my @names = @{ $Apache::response::foilgroup{'names'} };
244: my @whichopt =();
245: my (%top,@toplist,%bottom,@bottomlist);
246: if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
247: my $current=0;
248: foreach my $name (@names) {
249: $current++;
250: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
251: $top{$name}=$current;
252: } elsif ($Apache::response::foilgroup{$name.'.location'} eq
253: 'bottom') {
254: $bottom{$name}=$current;
255: }
256: }
257: }
258: while ((($#whichopt+1) < $max) && ($#names > -1)) {
259: &Apache::lonxml::debug("Have $#whichopt max is $max");
260: my $aopt;
261: if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
262: $aopt=0;
263: } else {
264: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
265: }
266: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
267: $aopt=splice(@names,$aopt,1);
268: &Apache::lonxml::debug("Picked $aopt");
269: if ($top{$aopt}) {
270: $toplist[$top{$aopt}]=$aopt;
271: } elsif ($bottom{$aopt}) {
272: $bottomlist[$bottom{$aopt}]=$aopt;
273: } else {
274: push (@whichopt,$aopt);
275: }
276: }
277: for (my $i=0;$i<=$#toplist;$i++) {
278: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
279: }
280: for (my $i=0;$i<=$#bottomlist;$i++) {
281: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
282: }
283:
284: return @whichopt;
285: }
286:
287: sub displayanswers {
288: my ($max,$randomize,@opt)=@_;
289: my @names = @{ $Apache::response::foilgroup{'names'} };
290: my @whichopt = &whichfoils($max,$randomize);
291: my $result=&Apache::response::answer_header('optionresponse');
292: foreach my $name (@whichopt) {
293: $result.=&Apache::response::answer_part('optionresponse',
294: $Apache::response::foilgroup{$name.'.value'})
295: }
296: $result.=&Apache::response::answer_footer('optionresponse');
297: return $result;
298: }
299:
300: sub displayfoils {
301: my ($target,$max,$randomize,@opt)=@_;
302: my @names = @{ $Apache::response::foilgroup{'names'} };
303: my @truelist;
304: my @falselist;
305: my $result;
306: my $name;
307: my $displayoptionintex=0;
308: my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
309: 'Q','R','S','T','U','V','W','X','Y','Z');
310: my @whichopt = &whichfoils($max,$randomize);
311: my $part=$Apache::inputtags::part;
312: my $id=$Apache::inputtags::response[-1];
313: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
314: foreach $name (@whichopt) {
315: if ($target eq 'web') {
316: $result.="<br />";
317: } elsif ($target eq 'tex') {
318: $result.='\vskip 0 mm ';
319: }
320: if ($target ne 'tex') {
321: $result .=$Apache::response::foilgroup{$name.'.value'}.
322: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
323: } else {
324: $result .='\item '.$Apache::response::foilgroup{$name.'.value'}.
325: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
326: }
327: }
328: } else {
329: my $temp=1;
330: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
331: foreach $name (@whichopt) {
332: my $lastopt=$lastresponse{$name};
333: my $optionlist="<option></option>\n";
334: my $option;
335: foreach $option (@opt) {
336: if ($option eq $lastopt) {
337: $optionlist.="<option selected=\"on\">$option</option>\n";
338: } else {
339: $optionlist.="<option>$option</option>\n";
340: }
341: }
342: if ($target ne 'tex') {
343: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
344: .$optionlist
345: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
346: if ($Apache::lonhomework::type eq 'exam') {
347: my $number_of_bubbles = $#opt + 1;
348: $result.= '<table border="1"><tr>';
349: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
350: $result.='<td>'.$alphabet[$ind].': '.$opt[$ind].'</td>';
351: }
352: $result.='</tr></table>';
353: }
354: $temp++;
355: } else {
356: if ($displayoptionintex == 0) {
357: my $texoptionlist = &optionlist_correction($optionlist);
358: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';}
359: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
360: if ($Apache::lonhomework::type eq 'exam') {
361: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
362: }
363: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
364: } else {
365: if ($Apache::lonhomework::type eq 'exam') {
366: $result.= $texoptionlist.'\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
367: } else {
368: $result.= $texoptionlist.'\item '.$Apache::response::foilgroup{$name.'.text'};
369: }
370: }
371: if ($Apache::lonhomework::type eq 'exam') {
372: $result.=&bubbles(\@alphabet,\@opt);
373: }
374: $displayoptionintex=1;
375: } else {
376: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
377: if ($Apache::lonhomework::type eq 'exam') {
378: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
379: }
380: $result.= $Apache::response::foilgroup{$name.'.text'};
381: } else {
382: if ($Apache::lonhomework::type eq 'exam') {
383: $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
384: } else {
385: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
386: }
387: }
388: if ($Apache::lonhomework::type eq 'exam') {
389: $result.=&bubbles(\@alphabet,\@opt);
390: }
391: }
392: }
393: }
394: }
395: if ($target ne 'tex') {
396: return $result."<br />";
397: }
398: else {
399: return $result;
400: }
401: }
402:
403:
404: sub optionlist_correction {
405:
406: my $texoptionlist = shift;
407: $texoptionlist =~ s/<option><\/option>/\\item \[\] Possible answers are:/;
408: $texoptionlist =~ s/<option>/\{\\bf /g;
409: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
410: $texoptionlist =~ s/<\/option>/\},/g;
411: $texoptionlist =~ s/,$/\./g;
412: $texoptionlist =~ s/>/\$>\$/g;
413: $texoptionlist =~ s/</\$<\$/g;
414: $texoptionlist =~ s/=/\$=\$/g;
415: return $texoptionlist;
416: }
417:
418:
419: sub bubbles {
420:
421: my ($ralphabit,$ropt) = @_;
422: my @alphabet = @$ralphabit;
423: my @opt = @$ropt;
424: my ($result,$head,$line) =('','','');
425: my $number_of_bubbles = $#opt + 1;
426: my $current_length = 0;
427: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
428: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
429: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
430: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
431: $head.='lr';
432: } else {
433: $line=~s/\&\s*$//;
434: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
435: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
436: $head ='lr';
437: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
438: }
439:
440: }
441: $Apache::lonxml::counter++;
442: my %moreenv;
443: $moreenv{'form.counter'}=$Apache::lonxml::counter;
444: &Apache::lonnet::appenv(%moreenv);
445: return $result;
446: }
447:
448:
449: sub start_conceptgroup {
450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
451: $Apache::optionresponse::conceptgroup=1;
452: %Apache::response::conceptgroup=();
453: my $result;
454: if ($target eq 'edit') {
455: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
456: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
457: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
458: }
459: if ($target eq 'modified') {
460: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
461: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
462: }
463: return $result;
464: }
465:
466: sub end_conceptgroup {
467: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
468: $Apache::optionresponse::conceptgroup=0;
469: my $result='';
470: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
471: || $target eq 'tex' || $target eq 'analyze') {
472: #if not there aren't any foils to display and thus no question
473: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
474: my @names = @{ $Apache::response::conceptgroup{'names'} };
475: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
476: my $name=$names[$pick];
477: push @{ $Apache::response::foilgroup{'names'} }, $name;
478: $Apache::response::foilgroup{"$name.value"} =
479: $Apache::response::conceptgroup{"$name.value"};
480: $Apache::response::foilgroup{"$name.text"} =
481: $Apache::response::conceptgroup{"$name.text"};
482: $Apache::response::foilgroup{"$name.location"} =
483: $Apache::response::conceptgroup{"$name.location"};
484: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
485: $Apache::response::foilgroup{"$name.concept"} = $concept;
486: &Apache::lonxml::debug("Selecting $name in $concept");
487: if ($target eq 'analyze') {
488: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
489: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
490: $concept);
491: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
492: $Apache::response::conceptgroup{'names'};
493: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
494: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
495: $name);
496: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
497: $Apache::response::conceptgroup{"$name.value"};
498: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
499: $Apache::response::conceptgroup{"$name.text"};
500: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
501: $Apache::response::conceptgroup{"$name.location"};
502: }
503: }
504: }
505: } elsif ($target eq 'edit') {
506: $result=&Apache::edit::end_table();
507: }
508: return $result;
509: }
510:
511: sub insert_conceptgroup {
512: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
513: return $result;
514: }
515:
516: sub start_foil {
517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
518: my $result='';
519: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
520: &Apache::lonxml::startredirection;
521: } elsif ($target eq 'edit') {
522: $result=&Apache::edit::tag_start($target,$token,"Foil");
523: my $level='-2';
524: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
525: my @opt;
526: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
527: $result.=&Apache::edit::text_arg('Name:','name',$token);
528: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
529: ['unused',(@opt)],$token,'15');
530: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
531: $safeeval,'-3');
532: if ($randomize ne 'no') {
533: $result.=&Apache::edit::select_arg('Location:','location',
534: ['random','top','bottom'],$token);
535: }
536: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
537: } elsif ($target eq 'modified') {
538: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
539: 'value','name','location');
540: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
541: }
542: return $result;
543: }
544:
545: sub end_foil {
546: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
547: my $text ='';
548: my $result = '';
549: if ($target eq 'web' || $target eq 'tex') {
550: $text=&Apache::lonxml::endredirection;
551: if ($target eq 'tex') { $text = '\item '.$text; }
552: }
553: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
554: || $target eq 'tex' || $target eq 'analyze') {
555: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
556: if ($value ne 'unused') {
557: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
558: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
559: &Apache::lonxml::debug("Got a name of :$name:");
560: if (!$name) { $name=$Apache::lonxml::curdepth; }
561: &Apache::lonxml::debug("Using a name of :$name:");
562: if ( $Apache::optionresponse::conceptgroup
563: && !&Apache::response::showallfoils() ) {
564: push @{ $Apache::response::conceptgroup{'names'} }, $name;
565: $Apache::response::conceptgroup{"$name.value"} = $value;
566: $Apache::response::conceptgroup{"$name.text"} = $text;
567: $Apache::response::conceptgroup{"$name.location"} = $location;
568: } else {
569: push @{ $Apache::response::foilgroup{'names'} }, $name;
570: $Apache::response::foilgroup{"$name.value"} = $value;
571: $Apache::response::foilgroup{"$name.text"} = $text;
572: $Apache::response::foilgroup{"$name.location"} = $location;
573: }
574: }
575: }
576: if ($target eq 'edit') {
577: $result.= &Apache::edit::tag_end($target,$token,'');
578: }
579: return $result;
580: }
581:
582: sub insert_foil {
583: return '
584: <foil name="" value="unused">
585: <startouttext />
586: <endouttext />
587: </foil>';
588: }
589: 1;
590: __END__
591:
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