1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.78 2003/05/27 13:56:21 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,$safeeval);
45: %Apache::hint::option=();
46: if ($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' and $Apache::lonhomework::type ne 'exam') {
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 $response=&Apache::response::getresponse($temp);
189: if ($ENV{'form.submitted'} eq 'scantron') {
190: $response = $opt[$response];
191: }
192: $responsehash{$name}=$response;
193: if ( $response =~ /[^\s]/) {
194: my $value=$Apache::response::foilgroup{$name.'.value'};
195: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
196: if ($value eq $response) {
197: $grade{$name}='1'; $right++;
198: } else {
199: $grade{$name}='0'; $wrong++;
200: }
201: } else {
202: $ignored++;
203: }
204: $temp++;
205: }
206: my $part=$Apache::inputtags::part;
207: my $id = $Apache::inputtags::response['-1'];
208: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
209: my $gradestr =&Apache::lonnet::hash2str(%grade);
210: my %previous=&Apache::response::check_for_previous($responsestr,
211: $part,$id);
212: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
213: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
214: $responsestr;
215: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
216:
217: if (!$Apache::lonhomework::scantronmode) {
218: my $ad;
219: if ($wrong==0 && $ignored==0) {
220: $ad='EXACT_ANS';
221: } elsif ($wrong==0 && $right==0) {
222: #nothing submitted
223: } else {
224: if ($ignored==0) {
225: $ad='INCORRECT';
226: } else {
227: $ad='MISSING_ANSWER';
228: }
229: }
230: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
231: &Apache::response::handle_previous(\%previous,$ad);
232: } else {
233: my $ad;
234: if ($wrong==0 && $right==0) {
235: #nothing submitted
236: } else {
237: $ad='ASSIGNED_SCORE';
238: }
239: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
240: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
241: $right/(scalar(@whichopt));
242: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
243: scalar(@whichopt);
244: }
245: }
246: }
247: &Apache::lonxml::increment_counter(&getfoilcounts($max));
248: } elsif ($target eq 'edit') {
249: $result.=&Apache::edit::end_table();
250: }
251: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
252: $result .= '\end{enumerate}';
253: }
254: return $result;
255: }
256:
257: sub getfoilcounts {
258: my ($max)=@_;
259: # +1 since instructors will count from 1
260: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
261: if (&Apache::response::showallfoils()) { $max=$count; }
262: if ($count>$max) { $count=$max }
263: &Apache::lonxml::debug("Count is $count from $max");
264: return $count;
265: }
266:
267: sub whichfoils {
268: my ($max,$randomize)=@_;
269: return &Apache::response::whichorder($max,$randomize,
270: &Apache::response::showallfoils(),
271: \%Apache::response::foilgroup);
272: }
273:
274: sub displayanswers {
275: my ($max,$randomize,@opt)=@_;
276: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
277: my @names = @{ $Apache::response::foilgroup{'names'} };
278: my @whichopt = &whichfoils($max,$randomize);
279: my $result=&Apache::response::answer_header('optionresponse');
280: foreach my $name (@whichopt) {
281: $result.=&Apache::response::answer_part('optionresponse',
282: $Apache::response::foilgroup{$name.'.value'})
283: }
284: $result.=&Apache::response::answer_footer('optionresponse');
285: return $result;
286: }
287:
288: sub displayfoils {
289: my ($target,$max,$randomize,@opt)=@_;
290: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
291: my @names = @{ $Apache::response::foilgroup{'names'} };
292: my @truelist;
293: my @falselist;
294: my $result;
295: my $name;
296: my $displayoptionintex=0;
297: my @alphabet = ('A'..'Z');
298: my @whichopt = &whichfoils($max,$randomize);
299: my $part=$Apache::inputtags::part;
300: my $id=$Apache::inputtags::response[-1];
301: my $break;
302: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
303: my $status=$Apache::inputtags::status[-1];
304: if (
305: ($target ne 'tex') &&
306: (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) {
307: foreach $name (@whichopt) {
308: my $text=$Apache::response::foilgroup{$name.'.text'};
309: if ($text!~/^\s*$/) {
310: if ($target eq 'tex') {
311: $break='\vskip 0 mm ';
312: } elsif ($target eq 'web') {
313: $break='<br />';
314: }
315: }
316: $result.=$break;
317: if ($target eq 'web') {
318: my $value=$Apache::response::foilgroup{$name.'.value'};
319: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
320: if ($text=~/^\s*$/) {
321: $text=$value.$text;
322: } else {
323: $text=$value.': '.$text;
324: }
325: }
326: $result.=$text."\n";
327: } elsif ($target eq 'tex') {
328: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
329: $result .='\item \textit{'.$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);
335: } else {
336: $result.=&bubbles(\@alphabet,\@opt);
337: }
338: }
339: }
340: } else {
341: my $temp=1;
342: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
343: foreach $name (@whichopt) {
344: my $text=$Apache::response::foilgroup{$name.'.text'};
345: if ($text!~/^\s*$/) {
346: if ($target eq 'tex') {
347: $break='\vskip 0 mm ';
348: } elsif ($target eq 'web') {
349: $break='<br />';
350: }
351: }
352: my $lastopt=$lastresponse{$name};
353: my $optionlist="<option></option>\n";
354: my $option;
355: foreach $option (@opt) {
356: if ($option eq $lastopt) {
357: $optionlist.="<option selected=\"on\">$option</option>\n";
358: } else {
359: $optionlist.="<option>$option</option>\n";
360: }
361: }
362: if ($target ne 'tex') {
363: if ($Apache::lonhomework::type ne 'exam') {
364: $optionlist='<select name="HWVAL_'.
365: $Apache::inputtags::response['-1'].':'.$temp.'">'.
366: $optionlist."</select>\n";
367: }
368: my $text=$Apache::response::foilgroup{$name.'.text'};
369: if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
370: $text=$optionlist.$text;
371: }
372: $result.=$break.$text."\n";
373: if ($Apache::lonhomework::type eq 'exam') {
374: $result.=&webbubbles(\@opt,\@alphabet,$temp);
375: }
376: $temp++;
377: } else {
378: my $texoptionlist = &optionlist_correction($optionlist);
379: if ($displayoptionintex == 0) {
380: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
381: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
382: if ($Apache::lonhomework::type eq 'exam') {
383: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\vskip 2 mm/;
384: }
385: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
386: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
387: }
388: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
389: } else {
390: if ($Apache::lonhomework::type eq 'exam') {
391: $result.= $texoptionlist.' '.$Apache::response::foilgroup{$name.'.text'};
392: } else {
393: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
394: }
395: }
396: if ($Apache::lonhomework::type eq 'exam') {
397: $result.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
398: # $Apache::lonxml::counter++;
399: }
400: $displayoptionintex=1;
401: } else {
402: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
403: if ($Apache::lonhomework::type eq 'exam') {
404: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
405: }
406: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
407: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
408: }
409: $result.= $Apache::response::foilgroup{$name.'.text'};
410: } else {
411: if ($Apache::lonhomework::type eq 'exam') {
412: $result.= ' '.$Apache::response::foilgroup{$name.'.text'};
413: } else {
414: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
415: }
416: }
417: if ($Apache::lonhomework::type eq 'exam') {
418: $result.='\vskip -2 mm \parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&bubbles(\@alphabet,\@opt).'}\end{enumerate}} \vskip -9 mm \strut ';
419: # $Apache::lonxml::counter++;
420: }
421: }
422: }
423: }
424: }
425: if ($target ne 'tex') {
426: return $result.$break;
427: } else {
428: return $result;
429: }
430: }
431:
432:
433: sub optionlist_correction {
434:
435: my $texoptionlist = shift;
436: $texoptionlist =~ s/<option><\/option>/\\item \[\] Possible answers are:/;
437: $texoptionlist =~ s/<option>/\{\\bf /g;
438: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
439: $texoptionlist =~ s/<\/option>/\},/g;
440: $texoptionlist =~ s/,$/\./g;
441: $texoptionlist =~ s/>/\$>\$/g;
442: $texoptionlist =~ s/</\$<\$/g;
443: $texoptionlist =~ s/=/\$=\$/g;
444: $texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
445: return $texoptionlist;
446: }
447:
448:
449: sub webbubbles {
450:
451: my ($ropt,$ralphabet,$temp)=@_;
452: my @opt=@$ropt;
453: my @alphabet=@$ralphabet;
454: my $result='';
455: my $number_of_bubbles = $#opt + 1;
456: $result.= '<table border="1"><tr>';
457: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
458: $result.='<td><input type="radio" name="HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp.
459: '" value='.$opt[$ind].'>'.$alphabet[$ind].': '.$opt[$ind].'</td>';
460: }
461: $result.='</tr></table>';
462: return $result;
463: }
464:
465:
466: sub bubbles {
467:
468: my ($ralphabit,$ropt) = @_;
469: my @alphabet = @$ralphabit;
470: my @opt = @$ropt;
471: my ($result,$head,$line) =('','','');
472: my $number_of_bubbles = $#opt + 1;
473: my $current_length = 0;
474: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
475: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
476: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
477: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
478: $head.='lr';
479: } else {
480: $line=~s/\&\s*$//;
481: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
482: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
483: $head ='lr';
484: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
485: }
486:
487: }
488: return $result;
489: }
490:
491:
492: sub start_conceptgroup {
493: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
494: $Apache::optionresponse::conceptgroup=1;
495: %Apache::response::conceptgroup=();
496: my $result;
497: if ($target eq 'edit') {
498: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
499: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
500: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
501: }
502: if ($target eq 'modified') {
503: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
504: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
505: }
506: return $result;
507: }
508:
509: sub end_conceptgroup {
510: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
511: $Apache::optionresponse::conceptgroup=0;
512: my $result='';
513: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
514: || $target eq 'tex' || $target eq 'analyze') {
515: #if not there aren't any foils to display and thus no question
516: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
517: my @names = @{ $Apache::response::conceptgroup{'names'} };
518: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
519: my $name=$names[$pick];
520: push @{ $Apache::response::foilgroup{'names'} }, $name;
521: $Apache::response::foilgroup{"$name.value"} =
522: $Apache::response::conceptgroup{"$name.value"};
523: $Apache::response::foilgroup{"$name.text"} =
524: $Apache::response::conceptgroup{"$name.text"};
525: $Apache::response::foilgroup{"$name.location"} =
526: $Apache::response::conceptgroup{"$name.location"};
527: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
528: $Apache::response::foilgroup{"$name.concept"} = $concept;
529: &Apache::lonxml::debug("Selecting $name in $concept");
530: if ($target eq 'analyze') {
531: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
532: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
533: $concept);
534: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
535: $Apache::response::conceptgroup{'names'};
536: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
537: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
538: $name);
539: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
540: $Apache::response::conceptgroup{"$name.value"};
541: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
542: $Apache::response::conceptgroup{"$name.text"};
543: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
544: $Apache::response::conceptgroup{"$name.location"};
545: }
546: } elsif ($target eq 'web') {
547: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
548: push(@{ $Apache::hint::option{"$part_id.concepts"} },
549: $concept);
550: $Apache::hint::option{"$part_id.concept.$concept"}=
551: $Apache::response::conceptgroup{'names'};
552: }
553: }
554: } elsif ($target eq 'edit') {
555: $result=&Apache::edit::end_table();
556: }
557: return $result;
558: }
559:
560: sub insert_conceptgroup {
561: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
562: return $result;
563: }
564:
565: sub start_foil {
566: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
567: my $result='';
568: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
569: &Apache::lonxml::startredirection;
570: } elsif ($target eq 'edit') {
571: $result=&Apache::edit::tag_start($target,$token,"Foil");
572: my $level='-2';
573: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
574: my @opt;
575: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
576: $result.=&Apache::edit::text_arg('Name:','name',$token);
577: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
578: ['unused',(@opt)],$token,'15');
579: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
580: $safeeval,'-3');
581: if ($randomize ne 'no') {
582: $result.=&Apache::edit::select_arg('Location:','location',
583: ['random','top','bottom'],$token);
584: }
585: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
586: } elsif ($target eq 'modified') {
587: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
588: 'value','name','location');
589: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
590: }
591: return $result;
592: }
593:
594: sub end_foil {
595: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
596: my $text ='';
597: my $result = '';
598: if ($target eq 'web' || $target eq 'tex') {
599: $text=&Apache::lonxml::endredirection;
600: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
601: }
602: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
603: || $target eq 'tex' || $target eq 'analyze') {
604: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
605: if ($value ne 'unused') {
606: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
607: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
608: &Apache::lonxml::debug("Got a name of :$name:");
609: if (!$name) { $name=$Apache::lonxml::curdepth; }
610: &Apache::lonxml::debug("Using a name of :$name:");
611: if ( $Apache::optionresponse::conceptgroup
612: && !&Apache::response::showallfoils() ) {
613: push @{ $Apache::response::conceptgroup{'names'} }, $name;
614: $Apache::response::conceptgroup{"$name.value"} = $value;
615: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
616: $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
617: } else {
618: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
619: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
620: } else {
621: $Apache::response::conceptgroup{"$name.text"} = $text;
622: }
623: }
624: $Apache::response::conceptgroup{"$name.location"} = $location;
625: } else {
626: push @{ $Apache::response::foilgroup{'names'} }, $name;
627: $Apache::response::foilgroup{"$name.value"} = $value;
628: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
629: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
630: } else {
631: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
632: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
633: } else {
634: $Apache::response::foilgroup{"$name.text"} = $text;
635: }
636: }
637: $Apache::response::foilgroup{"$name.location"} = $location;
638: }
639: }
640: }
641: if ($target eq 'edit') {
642: $result.= &Apache::edit::tag_end($target,$token,'');
643: }
644: return $result;
645: }
646:
647: sub insert_foil {
648: return '
649: <foil name="" value="unused">
650: <startouttext />
651: <endouttext />
652: </foil>';
653: }
654: 1;
655: __END__
656:
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