1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.100 2004/02/13 21:01:11 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: 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 ".
47: &Apache::loncommon::help_open_topic('Option_Response_Problems')."</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.$id";
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' and $Apache::lonhomework::type ne 'exam') {
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' ||
154: $target eq 'tex' || $target eq 'analyze') {
155: my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
156: my $name;
157: my @opt;
158: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
159: if ($target eq 'tex' && $tex_option_switch eq 'nochoice') {@opt=();}
160: &Apache::lonxml::debug("Options are $#opt");
161: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
162: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
163: $safeeval,'-2');
164: if ($target eq 'web' || $target eq 'tex') {
165: $result.=&displayfoils($target,$max,$randomize,@opt);
166: } elsif ( $target eq 'answer') {
167: $result.=&displayanswers($max,$randomize,@opt);
168: } elsif ( $target eq 'analyze') {
169: my @shown = &whichfoils($max,$randomize);
170: &Apache::response::analyze_store_foilgroup(\@shown,
171: ['text','value','location']);
172: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
173: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
174: } elsif ( $target eq 'grade') {
175: if ( defined $ENV{'form.submitted'}) {
176: my @whichopt = &whichfoils($max,$randomize);
177: my $temp=1;my $name;
178: my %responsehash;
179: my %grade;
180: my $right=0;
181: my $wrong=0;
182: my $ignored=0;
183: foreach $name (@whichopt) {
184: my $response=&Apache::response::getresponse($temp);
185: if ($ENV{'form.submitted'} eq 'scantron') {
186: $response = $opt[$response];
187: }
188: if ( $response =~ /[^\s]/) {
189: $responsehash{$name}=$response;
190: my $value=$Apache::response::foilgroup{$name.'.value'};
191: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
192: if ($value eq $response) {
193: $grade{$name}='1'; $right++;
194: } else {
195: $grade{$name}='0'; $wrong++;
196: }
197: } else {
198: $ignored++;
199: }
200: $temp++;
201: }
202: my $part=$Apache::inputtags::part;
203: my $id = $Apache::inputtags::response['-1'];
204: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
205: my $gradestr =&Apache::lonnet::hash2str(%grade);
206: my %previous=&Apache::response::check_for_previous($responsestr,
207: $part,$id);
208: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
209: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
210: $responsestr;
211: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
212:
213: if (!$Apache::lonhomework::scantronmode) {
214: my $ad;
215: if ($wrong==0 && $ignored==0) {
216: $ad='EXACT_ANS';
217: } elsif ($wrong==0 && $right==0) {
218: #nothing submitted
219: } else {
220: if ($ignored==0) {
221: $ad='INCORRECT';
222: } else {
223: $ad='MISSING_ANSWER';
224: }
225: }
226: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
227: &Apache::response::handle_previous(\%previous,$ad);
228: } else {
229: my $ad;
230: if ($wrong==0 && $right==0) {
231: #nothing submitted
232: } else {
233: $ad='ASSIGNED_SCORE';
234: }
235: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
236: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
237: $right/(scalar(@whichopt));
238: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
239: scalar(@whichopt);
240: }
241: }
242: }
243: &Apache::lonxml::increment_counter(&getfoilcounts($max));
244: } elsif ($target eq 'edit') {
245: $result.=&Apache::edit::end_table();
246: }
247: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
248: $result .= '\end{enumerate}';
249: }
250: return $result;
251: }
252:
253: sub getfoilcounts {
254: my ($max)=@_;
255: # +1 since instructors will count from 1
256: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
257: if (&Apache::response::showallfoils()) { $max=$count; }
258: if ($count>$max) { $count=$max }
259: &Apache::lonxml::debug("Count is $count from $max");
260: return $count;
261: }
262:
263: sub whichfoils {
264: my ($max,$randomize)=@_;
265: return &Apache::response::whichorder($max,$randomize,
266: &Apache::response::showallfoils(),
267: \%Apache::response::foilgroup);
268: }
269:
270: sub displayanswers {
271: my ($max,$randomize,@opt)=@_;
272: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
273: my @names = @{ $Apache::response::foilgroup{'names'} };
274: my @whichopt = &whichfoils($max,$randomize);
275: my $result=&Apache::response::answer_header('optionresponse');
276: foreach my $name (@whichopt) {
277: $result.=&Apache::response::answer_part('optionresponse',
278: $Apache::response::foilgroup{$name.'.value'})
279: }
280: $result.=&Apache::response::answer_footer('optionresponse');
281: return $result;
282: }
283:
284: sub displayfoils {
285: my ($target,$max,$randomize,@opt)=@_;
286: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
287: my @names = @{ $Apache::response::foilgroup{'names'} };
288: my @truelist;
289: my @falselist;
290: my $result;
291: my $name;
292: my $displayoptionintex=0;
293: my @alphabet = ('A'..'Z');
294: my @whichopt = &whichfoils($max,$randomize);
295: my $part=$Apache::inputtags::part;
296: my $id=$Apache::inputtags::response[-1];
297: my $break;
298: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
299: if ( ($target ne 'tex') &&
300: &Apache::response::show_answer() ) {
301: my $temp=1;
302: foreach $name (@whichopt) {
303: my $text=$Apache::response::foilgroup{$name.'.text'};
304: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
305: my $lastopt=$lastresponse{$name};
306: if ($text!~/^\s*$/) {
307: if ($target eq 'tex') {
308: $break='\vskip 0 mm ';
309: } elsif ($target eq 'web') {
310: $break='<br />';
311: }
312: }
313: $result.=$break;
314: if ($target eq 'web') {
315: my $value=$Apache::response::foilgroup{$name.'.value'};
316: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
317: if ($text=~/^\s*$/) {
318: $text=$value.$text;
319: } else {
320: $text=$value.': '.$text;
321: }
322: } else {
323: $text='•'.$text;
324: }
325: $result.=$text."\n";
326: } elsif ($target eq 'tex') {
327: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
328: if ($max>1) {$result .='\item ';}
329: $result .=' \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
330: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
331: }
332: if ($Apache::lonhomework::type eq 'exam') {
333: if ($target ne 'tex') {
334: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
335: } else {
336: $result.=&bubbles(\@alphabet,\@opt);
337: }
338: }
339: $temp++;
340: }
341: } else {
342: my $temp=1;
343: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
344: my $internal_counter=$Apache::lonxml::counter;
345: foreach $name (@whichopt) {
346: my $text=$Apache::response::foilgroup{$name.'.text'};
347: if ($text!~/^\s*$/) {
348: if ($target eq 'tex') {
349: $break='\vskip 0 mm ';
350: } elsif ($target eq 'web') {
351: $break='<br />';
352: }
353: }
354: my $lastopt=$lastresponse{$name};
355: my $optionlist="<option></option>\n";
356: my $option;
357: foreach $option (@opt) {
358: if ($option eq $lastopt) {
359: $optionlist.="<option selected=\"on\">$option</option>\n";
360: } else {
361: $optionlist.="<option>$option</option>\n";
362: }
363: }
364: if ($target ne 'tex') {
365: if ($Apache::lonhomework::type ne 'exam') {
366: $optionlist='<select name="HWVAL_'.
367: $Apache::inputtags::response['-1'].':'.$temp.'">'.
368: $optionlist."</select>\n";
369: }
370: my $text=$Apache::response::foilgroup{$name.'.text'};
371: if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
372: $text=$optionlist.$text;
373: } else {
374: $text='•'.$text;
375: }
376: $result.=$break.$text."\n";
377: if ($Apache::lonhomework::type eq 'exam') {
378: $result.=&webbubbles(\@opt,\@alphabet,$temp,$lastopt);
379: }
380: $temp++;
381: } else {
382: my $texoptionlist = &optionlist_correction($optionlist);
383: if ($displayoptionintex == 0) {
384: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
385: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
386: if ($Apache::lonhomework::type eq 'exam') {
387: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
388: }
389: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
390: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
391: }
392: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
393: } else {
394: if ($Apache::lonhomework::type eq 'exam') {
395: $result.= $texoptionlist.' '.$Apache::response::foilgroup{$name.'.text'};
396: } else {
397: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
398: }
399: }
400: if ($Apache::lonhomework::type eq 'exam') {
401: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).'\end{enumerate} \vskip -9 mm \strut ';
402: $internal_counter++;
403: }
404: $displayoptionintex=1;
405: } else {
406: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
407: if ($Apache::lonhomework::type eq 'exam') {
408: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
409: }
410: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
411: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
412: }
413: $result.= $Apache::response::foilgroup{$name.'.text'};
414: } else {
415: if ($Apache::lonhomework::type eq 'exam') {
416: $result.= ' '.$Apache::response::foilgroup{$name.'.text'};
417: } else {
418: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
419: }
420: }
421: if ($Apache::lonhomework::type eq 'exam') {
422: $result.='\vskip -1 mm \noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&bubbles(\@alphabet,\@opt).'\end{enumerate} \vskip -9 mm \strut ';
423: $internal_counter++;
424: }
425: }
426: }
427: }
428: }
429: if ($target ne 'tex') {
430: return $result.$break;
431: } else {
432: return $result;
433: }
434: }
435:
436:
437: sub optionlist_correction {
438:
439: my $texoptionlist = shift;
440: if ($texoptionlist=~/<option selected/ or $texoptionlist=~/<option>[^<]+<\/option>/) {
441: $texoptionlist =~ s/<option><\/option>/\\item \[\] Choices: /;
442: $texoptionlist =~ s/<option>/\{\\bf /g;
443: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
444: $texoptionlist =~ s/<\/option>/\},/g;
445: $texoptionlist =~ s/,$/\./g;
446: $texoptionlist =~ s/>/\$>\$/g;
447: $texoptionlist =~ s/</\$<\$/g;
448: $texoptionlist =~ s/=/\$=\$/g;
449: $texoptionlist =~ s/\^(\d+)/\$^{$1}\$/g;
450: } else {
451: $texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;
452: }
453: return $texoptionlist;
454: }
455:
456:
457: sub webbubbles {
458:
459: my ($ropt,$ralphabet,$temp,$lastopt)=@_;
460: my @opt=@$ropt;
461: my @alphabet=@$ralphabet;
462: my $result='';
463: my $number_of_bubbles = $#opt + 1;
464: $result.= '<table border="1"><tr>';
465: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
466: my $checked='';
467: if ($lastopt eq $opt[$ind]) {
468: $checked=' checked="on" ';
469: }
470: $result.='<td><input type="radio" name="HWVAL_'.
471: $Apache::inputtags::response['-1'].':'.$temp.
472: '" value="'.$opt[$ind].'" '.$checked.' />'.$alphabet[$ind].': '.
473: $opt[$ind].'</td>';
474: }
475: $result.='</tr></table>';
476: return $result;
477: }
478:
479:
480: sub bubbles {
481:
482: my ($ralphabit,$ropt) = @_;
483: my @alphabet = @$ralphabit;
484: my @opt = @$ropt;
485: my ($result,$head,$line) =('','','');
486: my $number_of_bubbles = $#opt + 1;
487: my $current_length = 0;
488: my $textwidth;
489: if ($ENV{'form.textwidth'} ne '') {
490: $ENV{'form.textwidth'}=~/(\d+)/;
491: $textwidth=$1;
492: } else {
493: $ENV{'textwidth'}=~/(\d+)/;
494: $textwidth=$1;
495: }
496: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
497: my $leftmargin;
498: if ($ind==0) {$leftmargin=6;} else {$leftmargin=10;}
499: $current_length += (length($opt[$ind])+length($alphabet[$ind])+3)*2;
500: if ($current_length<($textwidth-$leftmargin) and $ind!=$number_of_bubbles) {
501: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
502: $head.='lr';
503: } else {
504: $line=~s/\&\s*$//;
505: $result.='\vskip -2 mm\noindent\begin{tabular}{'.$head.'}'.$line.'\\\\\end{tabular}';
506: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
507: $head ='lr';
508: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
509: }
510:
511: }
512: return $result;
513: }
514:
515:
516: sub start_conceptgroup {
517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
518: $Apache::optionresponse::conceptgroup=1;
519: %Apache::response::conceptgroup=();
520: my $result;
521: if ($target eq 'edit') {
522: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
523: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
524: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
525: }
526: if ($target eq 'modified') {
527: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
528: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
529: }
530: return $result;
531: }
532:
533: sub end_conceptgroup {
534: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
535: $Apache::optionresponse::conceptgroup=0;
536: my $result='';
537: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
538: $target eq 'tex' || $target eq 'analyze') {
539: #if not there aren't any foils to display and thus no question
540: &Apache::response::pick_foil_for_concept($target,
541: ['value','text','location'],
542: \%Apache::hint::option,
543: $parstack,$safeeval);
544: } elsif ($target eq 'edit') {
545: $result=&Apache::edit::end_table();
546: }
547: return $result;
548: }
549:
550: sub insert_conceptgroup {
551: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
552: return $result;
553: }
554:
555: sub start_foil {
556: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
557: my $result='';
558: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
559: &Apache::lonxml::startredirection;
560: } elsif ($target eq 'edit') {
561: $result=&Apache::edit::tag_start($target,$token,"Foil");
562: my $level='-2';
563: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
564: my @opt;
565: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
566: $result.=&Apache::edit::text_arg('Name:','name',$token);
567: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
568: ['unused',(@opt)],$token,'15');
569: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
570: $safeeval,'-3');
571: if ($randomize ne 'no') {
572: $result.=&Apache::edit::select_arg('Location:','location',
573: ['random','top','bottom'],$token);
574: }
575: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
576: } elsif ($target eq 'modified') {
577: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
578: 'value','name','location');
579: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
580: }
581: return $result;
582: }
583:
584: sub end_foil {
585: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
586: my $text ='';
587: my $result = '';
588: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
589: $text=&Apache::lonxml::endredirection;
590: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
591: }
592: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
593: || $target eq 'tex' || $target eq 'analyze') {
594: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
595: if ($value ne 'unused') {
596: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
597: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
598: &Apache::lonxml::debug("Got a name of :$name:");
599: if (!$name) { $name=$Apache::lonxml::curdepth; }
600: &Apache::lonxml::debug("Using a name of :$name:");
601: if ( $Apache::optionresponse::conceptgroup
602: && !&Apache::response::showallfoils() ) {
603: push @{ $Apache::response::conceptgroup{'names'} }, $name;
604: $Apache::response::conceptgroup{"$name.value"} = $value;
605: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
606: $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
607: } else {
608: $Apache::response::conceptgroup{"$name.text"} = $text;
609: }
610: $Apache::response::conceptgroup{"$name.location"} = $location;
611: } else {
612: push @{ $Apache::response::foilgroup{'names'} }, $name;
613: $Apache::response::foilgroup{"$name.value"} = $value;
614: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
615: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
616: } else {
617: $Apache::response::foilgroup{"$name.text"} = $text;
618: }
619: $Apache::response::foilgroup{"$name.location"} = $location;
620: }
621: }
622: }
623: if ($target eq 'edit') {
624: $result.= &Apache::edit::tag_end($target,$token,'');
625: }
626: return $result;
627: }
628:
629: sub insert_foil {
630: return '
631: <foil name="" value="unused">
632: <startouttext />
633: <endouttext />
634: </foil>';
635: }
636: 1;
637: __END__
638:
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