1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.96 2003/11/15 06:28:02 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: package Apache::optionresponse;
29: use strict;
30: use Apache::response;
31:
32: BEGIN {
33: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
34: }
35:
36: sub start_optionresponse {
37: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
38: my $result='';
39: #when in a option response use these
40: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
41: push (@Apache::lonxml::namespace,'optionresponse');
42: my $id = &Apache::response::start_response($parstack,$safeeval);
43: %Apache::hint::option=();
44: if ($target eq 'edit') {
45: $result.=&Apache::edit::start_table($token).
46: "<tr><td>Multiple Option Response Question</td><td>Delete:".
47: &Apache::edit::deletelist($target,$token)
48: ."</td><td> ".
49: &Apache::edit::end_row().
50: &Apache::edit::start_spanning_row().
51: "\n";
52: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',
53: $token,'4').
54: &Apache::edit::select_arg('Randomize Foil Order','randomize',
55: ['yes','no'],$token).
56: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
57: } elsif ($target eq 'modified') {
58: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
59: $safeeval,'max','randomize');
60: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
61: } elsif ($target eq 'meta') {
62: $result=&Apache::response::meta_package_write('optionresponse');
63: } elsif ($target eq 'analyze') {
64: my $part_id="$Apache::inputtags::part.$id";
65: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
66: }
67: return $result;
68: }
69:
70: sub end_optionresponse {
71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: &Apache::response::end_response;
73: pop @Apache::lonxml::namespace;
74: &Apache::lonxml::deregister('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
75: my $result;
76: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
77: return $result;
78: }
79:
80: %Apache::response::foilgroup=();
81: sub start_foilgroup {
82: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
83:
84: my $result='';
85: %Apache::response::foilgroup=();
86: $Apache::optionresponse::conceptgroup=0;
87: &Apache::response::setrandomnumber();
88: if ($target eq 'edit') {
89: my $optionlist="<option></option>\n";
90: my $option;
91: my @opt;
92: eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
93: my $count=1;
94: foreach $option (@opt) {
95: $optionlist.="<option value=\"$count\">$option</option>\n";
96: $count++;
97: }
98: my $insertlist=&Apache::edit::insertlist($target,$token);
99: $result.=&Apache::edit::start_table($token);
100: $result.= (<<ENDTABLE);
101: <tr><td>Select Options</td>
102: <td>
103: Add new Option: <input type="text" name="$Apache::lonxml::curdepth.options" />
104: </td>
105: <td>Delete an Option:
106: <select name="$Apache::lonxml::curdepth.deleteopt">$optionlist</select>
107: ENDTABLE
108: $result.= &Apache::edit::end_row();
109: $result.= &Apache::edit::start_spanning_row();
110: $result.= $insertlist.'<br />';
111: }
112: if ($target eq 'modified') {
113: my @options;
114: my $optchanged=0;
115: eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
116: if ($ENV{"form.$Apache::lonxml::curdepth.deleteopt"}) {
117: my $delopt=$ENV{"form.$Apache::lonxml::curdepth.deleteopt"};
118: &Apache::lonxml::debug("Deleting :$delopt:");
119: splice(@options,$delopt-1,1);
120: $optchanged=1;
121: }
122: if ($ENV{"form.$Apache::lonxml::curdepth.options"}) {
123: my $newopt = $ENV{"form.$Apache::lonxml::curdepth.options"};
124: if ($options[0]) {
125: push(@options,$newopt);
126: } else {
127: $options[0]=$newopt;
128: }
129: $optchanged=1;
130: }
131: if ($optchanged) {
132: $result = "<foilgroup options=\"(";
133: foreach my $option (@options) {
134: $option=~s/\'/\\\'/g;
135: &Apache::lonxml::debug("adding option :$option:");
136: $result .="'".$option."',";
137: }
138: chop $result;
139: $result.=')">';
140: } # else nothing changed so just use the default mechanism
141: }
142: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
143: $result .= ' \begin{enumerate} ';
144: }
145: return $result;
146: }
147:
148: sub end_foilgroup {
149: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
150:
151: my $result;
152: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
153: $target eq 'tex' || $target eq 'analyze') {
154: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
155: my $name;
156: my @opt;
157: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
158: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
159: &Apache::lonxml::debug("Options are $#opt");
160: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
161: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
162: $safeeval,'-2');
163: if ($target eq 'web' || $target eq 'tex') {
164: $result.=&displayfoils($target,$max,$randomize,@opt);
165: } elsif ( $target eq 'answer') {
166: $result.=&displayanswers($max,$randomize,@opt);
167: } elsif ( $target eq 'analyze') {
168: my @shown = &whichfoils($max,$randomize);
169: &Apache::response::analyze_store_foilgroup(\@shown,
170: ['text','value','location']);
171: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
172: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
173: } elsif ( $target eq 'grade') {
174: if ( defined $ENV{'form.submitted'}) {
175: my @whichopt = &whichfoils($max,$randomize);
176: my $temp=1;my $name;
177: my %responsehash;
178: my %grade;
179: my $right=0;
180: my $wrong=0;
181: my $ignored=0;
182: foreach $name (@whichopt) {
183: my $response=&Apache::response::getresponse($temp);
184: if ($ENV{'form.submitted'} eq 'scantron') {
185: $response = $opt[$response];
186: }
187: if ( $response =~ /[^\s]/) {
188: $responsehash{$name}=$response;
189: my $value=$Apache::response::foilgroup{$name.'.value'};
190: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
191: if ($value eq $response) {
192: $grade{$name}='1'; $right++;
193: } else {
194: $grade{$name}='0'; $wrong++;
195: }
196: } else {
197: $ignored++;
198: }
199: $temp++;
200: }
201: my $part=$Apache::inputtags::part;
202: my $id = $Apache::inputtags::response['-1'];
203: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
204: my $gradestr =&Apache::lonnet::hash2str(%grade);
205: my %previous=&Apache::response::check_for_previous($responsestr,
206: $part,$id);
207: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
208: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
209: $responsestr;
210: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
211:
212: if (!$Apache::lonhomework::scantronmode) {
213: my $ad;
214: if ($wrong==0 && $ignored==0) {
215: $ad='EXACT_ANS';
216: } elsif ($wrong==0 && $right==0) {
217: #nothing submitted
218: } else {
219: if ($ignored==0) {
220: $ad='INCORRECT';
221: } else {
222: $ad='MISSING_ANSWER';
223: }
224: }
225: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
226: &Apache::response::handle_previous(\%previous,$ad);
227: } else {
228: my $ad;
229: if ($wrong==0 && $right==0) {
230: #nothing submitted
231: } else {
232: $ad='ASSIGNED_SCORE';
233: }
234: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
235: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
236: $right/(scalar(@whichopt));
237: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
238: scalar(@whichopt);
239: }
240: }
241: }
242: &Apache::lonxml::increment_counter(&getfoilcounts($max));
243: } elsif ($target eq 'edit') {
244: $result.=&Apache::edit::end_table();
245: }
246: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
247: $result .= '\end{enumerate}';
248: }
249: return $result;
250: }
251:
252: sub getfoilcounts {
253: my ($max)=@_;
254: # +1 since instructors will count from 1
255: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
256: if (&Apache::response::showallfoils()) { $max=$count; }
257: if ($count>$max) { $count=$max }
258: &Apache::lonxml::debug("Count is $count from $max");
259: return $count;
260: }
261:
262: sub whichfoils {
263: my ($max,$randomize)=@_;
264: return &Apache::response::whichorder($max,$randomize,
265: &Apache::response::showallfoils(),
266: \%Apache::response::foilgroup);
267: }
268:
269: sub displayanswers {
270: my ($max,$randomize,@opt)=@_;
271: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
272: my @names = @{ $Apache::response::foilgroup{'names'} };
273: my @whichopt = &whichfoils($max,$randomize);
274: my $result=&Apache::response::answer_header('optionresponse');
275: foreach my $name (@whichopt) {
276: $result.=&Apache::response::answer_part('optionresponse',
277: $Apache::response::foilgroup{$name.'.value'})
278: }
279: $result.=&Apache::response::answer_footer('optionresponse');
280: return $result;
281: }
282:
283: sub displayfoils {
284: my ($target,$max,$randomize,@opt)=@_;
285: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
286: my @names = @{ $Apache::response::foilgroup{'names'} };
287: my @truelist;
288: my @falselist;
289: my $result;
290: my $name;
291: my $displayoptionintex=0;
292: my @alphabet = ('A'..'Z');
293: my @whichopt = &whichfoils($max,$randomize);
294: my $part=$Apache::inputtags::part;
295: my $id=$Apache::inputtags::response[-1];
296: my $break;
297: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
298: if ( ($target ne 'tex') &&
299: &Apache::response::show_answer() ) {
300: my $temp=1;
301: foreach $name (@whichopt) {
302: my $text=$Apache::response::foilgroup{$name.'.text'};
303: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
304: my $lastopt=$lastresponse{$name};
305: if ($text!~/^\s*$/) {
306: if ($target eq 'tex') {
307: $break='\vskip 0 mm ';
308: } elsif ($target eq 'web') {
309: $break='<br />';
310: }
311: }
312: $result.=$break;
313: if ($target eq 'web') {
314: my $value=$Apache::response::foilgroup{$name.'.value'};
315: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
316: if ($text=~/^\s*$/) {
317: $text=$value.$text;
318: } else {
319: $text=$value.': '.$text;
320: }
321: } else {
322: $text='•'.$text;
323: }
324: $result.=$text."\n";
325: } elsif ($target eq 'tex') {
326: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
327: if ($max>1) {$result .='\item ';}
328: $result .=' \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
329: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
330: }
331: if ($Apache::lonhomework::type eq 'exam') {
332: if ($target ne 'tex') {
333: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
334: } else {
335: $result.=&bubbles(\@alphabet,\@opt);
336: }
337: }
338: $temp++;
339: }
340: } else {
341: my $temp=1;
342: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
343: my $internal_counter=$Apache::lonxml::counter;
344: foreach $name (@whichopt) {
345: my $text=$Apache::response::foilgroup{$name.'.text'};
346: if ($text!~/^\s*$/) {
347: if ($target eq 'tex') {
348: $break='\vskip 0 mm ';
349: } elsif ($target eq 'web') {
350: $break='<br />';
351: }
352: }
353: my $lastopt=$lastresponse{$name};
354: my $optionlist="<option></option>\n";
355: my $option;
356: foreach $option (@opt) {
357: if ($option eq $lastopt) {
358: $optionlist.="<option selected=\"on\">$option</option>\n";
359: } else {
360: $optionlist.="<option>$option</option>\n";
361: }
362: }
363: if ($target ne 'tex') {
364: if ($Apache::lonhomework::type ne 'exam') {
365: $optionlist='<select name="HWVAL_'.
366: $Apache::inputtags::response['-1'].':'.$temp.'">'.
367: $optionlist."</select>\n";
368: }
369: my $text=$Apache::response::foilgroup{$name.'.text'};
370: if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
371: $text=$optionlist.$text;
372: } else {
373: $text='•'.$text;
374: }
375: $result.=$break.$text."\n";
376: if ($Apache::lonhomework::type eq 'exam') {
377: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
378: }
379: $temp++;
380: } else {
381: my $texoptionlist = &optionlist_correction($optionlist);
382: if ($displayoptionintex == 0) {
383: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
384: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
385: if ($Apache::lonhomework::type eq 'exam') {
386: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
387: }
388: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
389: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
390: }
391: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
392: } else {
393: if ($Apache::lonhomework::type eq 'exam') {
394: $result.= $texoptionlist.' '.$Apache::response::foilgroup{$name.'.text'};
395: } else {
396: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
397: }
398: }
399: if ($Apache::lonhomework::type eq 'exam') {
400: $result.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
401: $internal_counter++;
402: }
403: $displayoptionintex=1;
404: } else {
405: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
406: if ($Apache::lonhomework::type eq 'exam') {
407: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
408: }
409: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
410: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
411: }
412: $result.= $Apache::response::foilgroup{$name.'.text'};
413: } else {
414: if ($Apache::lonhomework::type eq 'exam') {
415: $result.= ' '.$Apache::response::foilgroup{$name.'.text'};
416: } else {
417: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
418: }
419: }
420: if ($Apache::lonhomework::type eq 'exam') {
421: $result.='\vskip -2 mm \parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
422: $internal_counter++;
423: }
424: }
425: }
426: }
427: }
428: if ($target ne 'tex') {
429: return $result.$break;
430: } else {
431: return $result;
432: }
433: }
434:
435:
436: sub optionlist_correction {
437:
438: my $texoptionlist = shift;
439: if ($texoptionlist=~/<option selected/ or $texoptionlist=~/<option>[^<]+<\/option>/) {
440: $texoptionlist =~ s/<option><\/option>/\\item \[\] Choices: /;
441: $texoptionlist =~ s/<option>/\{\\bf /g;
442: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
443: $texoptionlist =~ s/<\/option>/\},/g;
444: $texoptionlist =~ s/,$/\./g;
445: $texoptionlist =~ s/>/\$>\$/g;
446: $texoptionlist =~ s/</\$<\$/g;
447: $texoptionlist =~ s/=/\$=\$/g;
448: $texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
449: } else {
450: $texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;
451: }
452: return $texoptionlist;
453: }
454:
455:
456: sub webbubbles {
457:
458: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
459: my @opt=@$ropt;
460: my @alphabet=@$ralphabet;
461: my $result='';
462: my $number_of_bubbles = $#opt + 1;
463: $result.= '<table border="1"><tr>';
464: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
465: my $checked='';
466: if ($lastopt eq $opt[$ind]) {
467: $checked=' checked="on" ';
468: }
469: $result.='<td><input type="radio" name="HWVAL_'.
470: $Apache::inputtags::response['-1'].':'.$temp.
471: '" value="'.$opt[$ind].'" '.$checked.' />'.$alphabet[$ind].': '.
472: $opt[$ind].'</td>';
473: }
474: $result.='</tr></table>';
475: return $result;
476: }
477:
478:
479: sub bubbles {
480:
481: my ($ralphabit,$ropt) = @_;
482: my @alphabet = @$ralphabit;
483: my @opt = @$ropt;
484: my ($result,$head,$line) =('','','');
485: my $number_of_bubbles = $#opt + 1;
486: my $current_length = 0;
487: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
488: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
489: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
490: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
491: $head.='lr';
492: } else {
493: $line=~s/\&\s*$//;
494: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
495: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
496: $head ='lr';
497: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
498: }
499:
500: }
501: return $result;
502: }
503:
504:
505: sub start_conceptgroup {
506: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
507: $Apache::optionresponse::conceptgroup=1;
508: %Apache::response::conceptgroup=();
509: my $result;
510: if ($target eq 'edit') {
511: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
512: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
513: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
514: }
515: if ($target eq 'modified') {
516: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
517: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
518: }
519: return $result;
520: }
521:
522: sub end_conceptgroup {
523: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
524: $Apache::optionresponse::conceptgroup=0;
525: my $result='';
526: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
527: $target eq 'tex' || $target eq 'analyze') {
528: #if not there aren't any foils to display and thus no question
529: &Apache::response::pick_foil_for_concept($target,
530: ['value','text','location'],
531: \%Apache::hint::option,
532: $parstack,$safeeval);
533: } elsif ($target eq 'edit') {
534: $result=&Apache::edit::end_table();
535: }
536: return $result;
537: }
538:
539: sub insert_conceptgroup {
540: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
541: return $result;
542: }
543:
544: sub start_foil {
545: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
546: my $result='';
547: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
548: &Apache::lonxml::startredirection;
549: } elsif ($target eq 'edit') {
550: $result=&Apache::edit::tag_start($target,$token,"Foil");
551: my $level='-2';
552: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
553: my @opt;
554: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
555: $result.=&Apache::edit::text_arg('Name:','name',$token);
556: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
557: ['unused',(@opt)],$token,'15');
558: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
559: $safeeval,'-3');
560: if ($randomize ne 'no') {
561: $result.=&Apache::edit::select_arg('Location:','location',
562: ['random','top','bottom'],$token);
563: }
564: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
565: } elsif ($target eq 'modified') {
566: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
567: 'value','name','location');
568: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
569: }
570: return $result;
571: }
572:
573: sub end_foil {
574: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
575: my $text ='';
576: my $result = '';
577: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
578: $text=&Apache::lonxml::endredirection;
579: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
580: }
581: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
582: || $target eq 'tex' || $target eq 'analyze') {
583: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
584: if ($value ne 'unused') {
585: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
586: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
587: &Apache::lonxml::debug("Got a name of :$name:");
588: if (!$name) { $name=$Apache::lonxml::curdepth; }
589: &Apache::lonxml::debug("Using a name of :$name:");
590: if ( $Apache::optionresponse::conceptgroup
591: && !&Apache::response::showallfoils() ) {
592: push @{ $Apache::response::conceptgroup{'names'} }, $name;
593: $Apache::response::conceptgroup{"$name.value"} = $value;
594: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
595: $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
596: } else {
597: $Apache::response::conceptgroup{"$name.text"} = $text;
598: }
599: $Apache::response::conceptgroup{"$name.location"} = $location;
600: } else {
601: push @{ $Apache::response::foilgroup{'names'} }, $name;
602: $Apache::response::foilgroup{"$name.value"} = $value;
603: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
604: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
605: } else {
606: $Apache::response::foilgroup{"$name.text"} = $text;
607: }
608: $Apache::response::foilgroup{"$name.location"} = $location;
609: }
610: }
611: }
612: if ($target eq 'edit') {
613: $result.= &Apache::edit::tag_end($target,$token,'');
614: }
615: return $result;
616: }
617:
618: sub insert_foil {
619: return '
620: <foil name="" value="unused">
621: <startouttext />
622: <endouttext />
623: </foil>';
624: }
625: 1;
626: __END__
627:
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