1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.57 2002/10/28 23:31:48 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: # 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,$safeeval);
45: %Apache::hint::option=();
46: if ($target eq 'edit') {
47: $result.=&Apache::edit::start_table($token).
48: "<tr><td>Multiple Option Response Question</td><td>Delete:".
49: &Apache::edit::deletelist($target,$token)
50: ."</td><td> ".
51: &Apache::edit::end_row().
52: &Apache::edit::start_spanning_row().
53: "\n";
54: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
55: $token,'4').
56: &Apache::edit::select_arg('Randomize Foil Order','randomize',
57: ['yes','no'],$token).
58: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
59: } elsif ($target eq 'modified') {
60: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
61: $safeeval,'max','randomize');
62: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
63: } elsif ($target eq 'meta') {
64: $result=&Apache::response::meta_package_write('optionresponse');
65: } elsif ($target eq 'analyze') {
66: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
67: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
68: }
69: return $result;
70: }
71:
72: sub end_optionresponse {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
74: &Apache::response::end_response;
75: pop @Apache::lonxml::namespace;
76: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
77: my $result;
78: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
79: return $result;
80: }
81:
82: %Apache::response::foilgroup=();
83: sub start_foilgroup {
84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
85:
86: my $result='';
87: %Apache::response::foilgroup=();
88: $Apache::optionresponse::conceptgroup=0;
89: &Apache::response::setrandomnumber();
90: if ($target eq 'edit') {
91: my $optionlist="<option></option>\n";
92: my $option;
93: my @opt;
94: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
95: my $count=1;
96: foreach $option (@opt) {
97: $optionlist.="<option value=\"$count\">$option</option>\n";
98: $count++;
99: }
100: my $insertlist=&Apache::edit::insertlist($target,$token);
101: $result.=&Apache::edit::start_table($token);
102: $result.= (<<ENDTABLE);
103: <tr><td>Select Options</td>
104: <td>
105: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
106: </td>
107: <td>Delete an Option:
108: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
109: ENDTABLE
110: $result.= &Apache::edit::end_row();
111: $result.= &Apache::edit::start_spanning_row();
112: $result.= $insertlist.'<br />';
113: }
114: if ($target eq 'modified') {
115: my @options;
116: my $optchanged=0;
117: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
118: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
119: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
120: &Apache::lonxml::debug("Deleting :$delopt:");
121: splice(@options,$delopt-1,1);
122: $optchanged=1;
123: }
124: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
125: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
126: if ($options[0]) {
127: push(@options,$newopt);
128: } else {
129: $options[0]=$newopt;
130: }
131: $optchanged=1;
132: }
133: if ($optchanged) {
134: $result = "<foilgroup options=\"(";
135: foreach my $option (@options) {
136: $option=~s/\'/\\\'/g;
137: &Apache::lonxml::debug("adding option :$option:");
138: $result .="'".$option."',";
139: }
140: chop $result;
141: $result.=')">';
142: } # else nothing changed so just use the default mechanism
143: }
144: if ($target eq 'tex') {
145: $result .= ' \begin{enumerate} ';
146: }
147: return $result;
148: }
149:
150: sub end_foilgroup {
151: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
152:
153: my $result;
154: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
155: my $name;
156: my @opt;
157: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
158: &Apache::lonxml::debug("Options are $#opt");
159: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
160: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
161: $safeeval,'-2');
162: if ($target eq 'web' || $target eq 'tex') {
163: $result.=&displayfoils($target,$max,$randomize,@opt);
164: } elsif ( $target eq 'answer') {
165: $result.=&displayanswers($max,$randomize,@opt);
166: } elsif ( $target eq 'analyze') {
167: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
168: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
169: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
170: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
171: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
172: $Apache::response::foilgroup{"$name.value"};
173: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
174: $Apache::response::foilgroup{"$name.text"};
175: }
176: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
177: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($max,$randomize));
178: } elsif ( $target eq 'grade') {
179: if ( defined $ENV{'form.submitted'}) {
180: my @whichopt = &whichfoils($max,$randomize);
181: my $temp=1;my $name;
182: my %responsehash;
183: my %grade;
184: my $right=0;
185: my $wrong=0;
186: my $ignored=0;
187: foreach $name (@whichopt) {
188: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
189: $responsehash{$name}=$response;
190: if ( $response =~ /[^\s]/) {
191: my $value=$Apache::response::foilgroup{$name.'.value'};
192: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
193: if ($value eq $response) {
194: $grade{$name}='1'; $right++;
195: } else {
196: $grade{$name}='0'; $wrong++;
197: }
198: } else {
199: $ignored++;
200: }
201: $temp++;
202: }
203: my $part=$Apache::inputtags::part;
204: my $id = $Apache::inputtags::response['-1'];
205: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
206: my $gradestr =&Apache::lonnet::hash2str(%grade);
207: my %previous=&Apache::response::check_for_previous($responsestr,
208: $part,$id);
209: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
210: my $ad;
211: if ($wrong==0 && $ignored==0) {
212: $ad='EXACT_ANS';
213: } elsif ($wrong==0 && $right==0) {
214: #nothing submitted
215: } else {
216: if ($ignored==0) {
217: $ad='INCORRECT';
218: } else {
219: $ad='MISSING_ANSWER';
220: }
221: }
222: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
223: $responsestr;
224: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
225: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=
226: $ad;
227: &Apache::response::handle_previous(\%previous,$ad);
228: }
229: }
230: } elsif ($target eq 'edit') {
231: $result.=&Apache::edit::end_table();
232: }
233: if ($target eq 'tex') {$result .= '\end{enumerate}';}
234: return $result;
235: }
236:
237: sub getfoilcounts {
238: my ($max)=@_;
239: # +1 since instructors will count from 1
240: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
241: if (&Apache::response::showallfoils()) { $max=$count; }
242: if ($count>$max) { $count=$max }
243: &Apache::lonxml::debug("Count is $count from $max");
244: return $count;
245: }
246:
247: sub whichfoils {
248: my ($max,$randomize)=@_;
249: $max = &getfoilcounts($max);
250: &Apache::lonxml::debug("randomize $randomize");
251: my @names = @{ $Apache::response::foilgroup{'names'} };
252: my @whichopt =();
253: my (%top,@toplist,%bottom,@bottomlist);
254: if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
255: my $current=0;
256: foreach my $name (@names) {
257: $current++;
258: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
259: $top{$name}=$current;
260: } elsif ($Apache::response::foilgroup{$name.'.location'} eq
261: 'bottom') {
262: $bottom{$name}=$current;
263: }
264: }
265: }
266: while ((($#whichopt+1) < $max) && ($#names > -1)) {
267: &Apache::lonxml::debug("Have $#whichopt max is $max");
268: my $aopt;
269: if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
270: $aopt=0;
271: } else {
272: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
273: }
274: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
275: $aopt=splice(@names,$aopt,1);
276: &Apache::lonxml::debug("Picked $aopt");
277: if ($top{$aopt}) {
278: $toplist[$top{$aopt}]=$aopt;
279: } elsif ($bottom{$aopt}) {
280: $bottomlist[$bottom{$aopt}]=$aopt;
281: } else {
282: push (@whichopt,$aopt);
283: }
284: }
285: for (my $i=0;$i<=$#toplist;$i++) {
286: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
287: }
288: for (my $i=0;$i<=$#bottomlist;$i++) {
289: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
290: }
291:
292: return @whichopt;
293: }
294:
295: sub displayanswers {
296: my ($max,$randomize,@opt)=@_;
297: my @names = @{ $Apache::response::foilgroup{'names'} };
298: my @whichopt = &whichfoils($max,$randomize);
299: my $result=&Apache::response::answer_header('optionresponse');
300: foreach my $name (@whichopt) {
301: $result.=&Apache::response::answer_part('optionresponse',
302: $Apache::response::foilgroup{$name.'.value'})
303: }
304: $result.=&Apache::response::answer_footer('optionresponse');
305: return $result;
306: }
307:
308: sub displayfoils {
309: my ($target,$max,$randomize,@opt)=@_;
310: my @names = @{ $Apache::response::foilgroup{'names'} };
311: my @truelist;
312: my @falselist;
313: my $result;
314: my $name;
315: my $displayoptionintex=0;
316: my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
317: 'Q','R','S','T','U','V','W','X','Y','Z');
318: my @whichopt = &whichfoils($max,$randomize);
319: my $part=$Apache::inputtags::part;
320: my $id=$Apache::inputtags::response[-1];
321: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
322: foreach $name (@whichopt) {
323: if ($target eq 'web') {
324: $result.="<br />";
325: } elsif ($target eq 'tex') {
326: $result.='\vskip 0 mm ';
327: }
328: if ($target ne 'tex') {
329: $result .=$Apache::response::foilgroup{$name.'.value'}.
330: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
331: } else {
332: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
333: $result .='\item \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
334: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
335: }
336: }
337: } else {
338: my $temp=1;
339: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
340: foreach $name (@whichopt) {
341: my $lastopt=$lastresponse{$name};
342: my $optionlist="<option></option>\n";
343: my $option;
344: foreach $option (@opt) {
345: if ($option eq $lastopt) {
346: $optionlist.="<option selected=\"on\">$option</option>\n";
347: } else {
348: $optionlist.="<option>$option</option>\n";
349: }
350: }
351: if ($target ne 'tex') {
352: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
353: .$optionlist
354: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
355: if ($Apache::lonhomework::type eq 'exam') {
356: my $number_of_bubbles = $#opt + 1;
357: $result.= '<table border="1"><tr>';
358: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
359: $result.='<td>'.$alphabet[$ind].': '.$opt[$ind].'</td>';
360: }
361: $result.='</tr></table>';
362: }
363: $temp++;
364: } else {
365: if ($displayoptionintex == 0) {
366: my $texoptionlist = &optionlist_correction($optionlist);
367: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';}
368: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
369: if ($Apache::lonhomework::type eq 'exam') {
370: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
371: }
372: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
373: } else {
374: if ($Apache::lonhomework::type eq 'exam') {
375: $result.= $texoptionlist.'\vspace*{-2 mm}\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
376: } else {
377: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
378: }
379: }
380: if ($Apache::lonhomework::type eq 'exam') {
381: $result.=&bubbles(\@alphabet,\@opt);
382: }
383: $displayoptionintex=1;
384: } else {
385: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
386: if ($Apache::lonhomework::type eq 'exam') {
387: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
388: }
389: $result.= $Apache::response::foilgroup{$name.'.text'};
390: } else {
391: if ($Apache::lonhomework::type eq 'exam') {
392: $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
393: } else {
394: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
395: }
396: }
397: if ($Apache::lonhomework::type eq 'exam') {
398: $result.=&bubbles(\@alphabet,\@opt);
399: }
400: }
401: }
402: }
403: }
404: if ($target ne 'tex') {
405: return $result."<br />";
406: }
407: else {
408: return $result;
409: }
410: }
411:
412:
413: sub optionlist_correction {
414:
415: my $texoptionlist = shift;
416: $texoptionlist =~ s/<option><\/option>/\\item \[\] Possible answers are:/;
417: $texoptionlist =~ s/<option>/\{\\bf /g;
418: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
419: $texoptionlist =~ s/<\/option>/\},/g;
420: $texoptionlist =~ s/,$/\./g;
421: $texoptionlist =~ s/>/\$>\$/g;
422: $texoptionlist =~ s/</\$<\$/g;
423: $texoptionlist =~ s/=/\$=\$/g;
424: return $texoptionlist;
425: }
426:
427:
428: sub bubbles {
429:
430: my ($ralphabit,$ropt) = @_;
431: my @alphabet = @$ralphabit;
432: my @opt = @$ropt;
433: my ($result,$head,$line) =('','','');
434: my $number_of_bubbles = $#opt + 1;
435: my $current_length = 0;
436: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
437: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
438: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
439: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
440: $head.='lr';
441: } else {
442: $line=~s/\&\s*$//;
443: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
444: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
445: $head ='lr';
446: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
447: }
448:
449: }
450: &Apache::lonxml::increment_counter();
451: return $result;
452: }
453:
454:
455: sub start_conceptgroup {
456: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
457: $Apache::optionresponse::conceptgroup=1;
458: %Apache::response::conceptgroup=();
459: my $result;
460: if ($target eq 'edit') {
461: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
462: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
463: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
464: }
465: if ($target eq 'modified') {
466: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
467: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
468: }
469: return $result;
470: }
471:
472: sub end_conceptgroup {
473: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
474: $Apache::optionresponse::conceptgroup=0;
475: my $result='';
476: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
477: || $target eq 'tex' || $target eq 'analyze') {
478: #if not there aren't any foils to display and thus no question
479: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
480: my @names = @{ $Apache::response::conceptgroup{'names'} };
481: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
482: my $name=$names[$pick];
483: push @{ $Apache::response::foilgroup{'names'} }, $name;
484: $Apache::response::foilgroup{"$name.value"} =
485: $Apache::response::conceptgroup{"$name.value"};
486: $Apache::response::foilgroup{"$name.text"} =
487: $Apache::response::conceptgroup{"$name.text"};
488: $Apache::response::foilgroup{"$name.location"} =
489: $Apache::response::conceptgroup{"$name.location"};
490: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
491: $Apache::response::foilgroup{"$name.concept"} = $concept;
492: &Apache::lonxml::debug("Selecting $name in $concept");
493: if ($target eq 'analyze') {
494: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
495: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
496: $concept);
497: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
498: $Apache::response::conceptgroup{'names'};
499: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
500: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
501: $name);
502: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
503: $Apache::response::conceptgroup{"$name.value"};
504: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
505: $Apache::response::conceptgroup{"$name.text"};
506: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
507: $Apache::response::conceptgroup{"$name.location"};
508: }
509: } elsif ($target eq 'web') {
510: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
511: push(@{ $Apache::hint::option{"$part_id.concepts"} },
512: $concept);
513: $Apache::hint::option{"$part_id.concept.$concept"}=
514: $Apache::response::conceptgroup{'names'};
515: }
516: }
517: } elsif ($target eq 'edit') {
518: $result=&Apache::edit::end_table();
519: }
520: return $result;
521: }
522:
523: sub insert_conceptgroup {
524: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
525: return $result;
526: }
527:
528: sub start_foil {
529: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
530: my $result='';
531: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
532: &Apache::lonxml::startredirection;
533: } elsif ($target eq 'edit') {
534: $result=&Apache::edit::tag_start($target,$token,"Foil");
535: my $level='-2';
536: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
537: my @opt;
538: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
539: $result.=&Apache::edit::text_arg('Name:','name',$token);
540: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
541: ['unused',(@opt)],$token,'15');
542: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
543: $safeeval,'-3');
544: if ($randomize ne 'no') {
545: $result.=&Apache::edit::select_arg('Location:','location',
546: ['random','top','bottom'],$token);
547: }
548: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
549: } elsif ($target eq 'modified') {
550: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
551: 'value','name','location');
552: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
553: }
554: return $result;
555: }
556:
557: sub end_foil {
558: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
559: my $text ='';
560: my $result = '';
561: if ($target eq 'web' || $target eq 'tex') {
562: $text=&Apache::lonxml::endredirection;
563: if ($target eq 'tex') { $text = '\vspace*{-2 mm}\item '.$text; }
564: }
565: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
566: || $target eq 'tex' || $target eq 'analyze') {
567: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
568: if ($value ne 'unused') {
569: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
570: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
571: &Apache::lonxml::debug("Got a name of :$name:");
572: if (!$name) { $name=$Apache::lonxml::curdepth; }
573: &Apache::lonxml::debug("Using a name of :$name:");
574: if ( $Apache::optionresponse::conceptgroup
575: && !&Apache::response::showallfoils() ) {
576: push @{ $Apache::response::conceptgroup{'names'} }, $name;
577: $Apache::response::conceptgroup{"$name.value"} = $value;
578: $Apache::response::conceptgroup{"$name.text"} = $text;
579: $Apache::response::conceptgroup{"$name.location"} = $location;
580: } else {
581: push @{ $Apache::response::foilgroup{'names'} }, $name;
582: $Apache::response::foilgroup{"$name.value"} = $value;
583: $Apache::response::foilgroup{"$name.text"} = $text;
584: $Apache::response::foilgroup{"$name.location"} = $location;
585: }
586: }
587: }
588: if ($target eq 'edit') {
589: $result.= &Apache::edit::tag_end($target,$token,'');
590: }
591: return $result;
592: }
593:
594: sub insert_foil {
595: return '
596: <foil name="" value="unused">
597: <startouttext />
598: <endouttext />
599: </foil>';
600: }
601: 1;
602: __END__
603:
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