1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.67 2003/01/19 08:10:22 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: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
252: my @names = @{ $Apache::response::foilgroup{'names'} };
253: my @whichopt =();
254: my (%top,@toplist,%bottom,@bottomlist);
255: if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
256: my $current=0;
257: foreach my $name (@names) {
258: $current++;
259: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
260: $top{$name}=$current;
261: } elsif ($Apache::response::foilgroup{$name.'.location'} eq
262: 'bottom') {
263: $bottom{$name}=$current;
264: }
265: }
266: }
267: while ((($#whichopt+1) < $max) && ($#names > -1)) {
268: &Apache::lonxml::debug("Have $#whichopt max is $max");
269: my $aopt;
270: if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
271: $aopt=0;
272: } else {
273: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
274: }
275: &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
276: $aopt=splice(@names,$aopt,1);
277: &Apache::lonxml::debug("Picked $aopt");
278: if ($top{$aopt}) {
279: $toplist[$top{$aopt}]=$aopt;
280: } elsif ($bottom{$aopt}) {
281: $bottomlist[$bottom{$aopt}]=$aopt;
282: } else {
283: push (@whichopt,$aopt);
284: }
285: }
286: for (my $i=0;$i<=$#toplist;$i++) {
287: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
288: }
289: for (my $i=0;$i<=$#bottomlist;$i++) {
290: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
291: }
292:
293: return @whichopt;
294: }
295:
296: sub displayanswers {
297: my ($max,$randomize,@opt)=@_;
298: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
299: my @names = @{ $Apache::response::foilgroup{'names'} };
300: my @whichopt = &whichfoils($max,$randomize);
301: my $result=&Apache::response::answer_header('optionresponse');
302: foreach my $name (@whichopt) {
303: $result.=&Apache::response::answer_part('optionresponse',
304: $Apache::response::foilgroup{$name.'.value'})
305: }
306: $result.=&Apache::response::answer_footer('optionresponse');
307: return $result;
308: }
309:
310: sub displayfoils {
311: my ($target,$max,$randomize,@opt)=@_;
312: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
313: my @names = @{ $Apache::response::foilgroup{'names'} };
314: my @truelist;
315: my @falselist;
316: my $result;
317: my $name;
318: my $displayoptionintex=0;
319: my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
320: 'Q','R','S','T','U','V','W','X','Y','Z');
321: my @whichopt = &whichfoils($max,$randomize);
322: my $part=$Apache::inputtags::part;
323: my $id=$Apache::inputtags::response[-1];
324: my $break;
325: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
326: my $status=$Apache::inputtags::status[-1];
327: if (
328: ($target ne 'tex') &&
329: (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) {
330: foreach $name (@whichopt) {
331: my $text=$Apache::response::foilgroup{$name.'.text'};
332: if ($text!~/^\s*$/) {
333: if ($target eq 'tex') {
334: $break='\vskip 0 mm ';
335: } elsif ($target eq 'web') {
336: $break='<br />';
337: }
338: }
339: $result.=$break;
340: if ($target eq 'web') {
341: my $value=$Apache::response::foilgroup{$name.'.value'};
342: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
343: if ($text=~/^\s*$/) {
344: $text=$value.$text;
345: } else {
346: $text=$value.': '.$text;
347: }
348: }
349: $result.=$text."\n";
350: } elsif ($target eq 'tex') {
351: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
352: $result .='\item \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
353: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
354: }
355: if ($Apache::lonhomework::type eq 'exam') {
356: if ($target ne 'tex') {
357: $result.=&webbubbles(\@opt,\@alphabet);
358: } else {
359: $result.=&bubbles(\@alphabet,\@opt);
360: }
361: }
362: }
363: } else {
364: my $temp=1;
365: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
366: foreach $name (@whichopt) {
367: my $text=$Apache::response::foilgroup{$name.'.text'};
368: if ($text!~/^\s*$/) {
369: if ($target eq 'tex') {
370: $break='\vskip 0 mm ';
371: } elsif ($target eq 'web') {
372: $break='<br />';
373: }
374: }
375: my $lastopt=$lastresponse{$name};
376: my $optionlist="<option></option>\n";
377: my $option;
378: foreach $option (@opt) {
379: if ($option eq $lastopt) {
380: $optionlist.="<option selected=\"on\">$option</option>\n";
381: } else {
382: $optionlist.="<option>$option</option>\n";
383: }
384: }
385: if ($target ne 'tex') {
386: $optionlist='<select name="HWVAL_'.
387: $Apache::inputtags::response['-1'].':'.$temp.'">'.
388: $optionlist."</select>\n";
389: my $text=$Apache::response::foilgroup{$name.'.text'};
390: if (!($text=~s|<drawoptionlist\s*/>|$optionlist|)) {
391: $text=$optionlist.$text;
392: }
393: $result.=$break.$text."\n";
394: if ($Apache::lonhomework::type eq 'exam') {
395: $result.=&webbubbles(\@opt,\@alphabet);
396: }
397: $temp++;
398: } else {
399: my $texoptionlist = &optionlist_correction($optionlist);
400: if ($displayoptionintex == 0) {
401: if ($Apache::lonhomework::type eq 'exam') {$texoptionlist='';} #if exam we do not need to show optionlist
402: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
403: if ($Apache::lonhomework::type eq 'exam') {
404: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
405: }
406: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
407: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
408: }
409: $result.= $texoptionlist.$Apache::response::foilgroup{$name.'.text'};
410: } else {
411: if ($Apache::lonhomework::type eq 'exam') {
412: $result.= $texoptionlist.'\vspace*{-2 mm}\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
413: } else {
414: $result.= $texoptionlist.'\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
415: }
416: }
417: if ($Apache::lonhomework::type eq 'exam') {
418: $result.=&bubbles(\@alphabet,\@opt);
419: $result.='\vskip 2 mm ';
420: }
421: $displayoptionintex=1;
422: } else {
423: if ($Apache::response::foilgroup{$name.'.text'}=~m/\\item /) {
424: if ($Apache::lonhomework::type eq 'exam') {
425: $Apache::response::foilgroup{$name.'.text'}=~s/\\item/\\item[\\textbf{$Apache::lonxml::counter}\.]/;
426: }
427: if ($Apache::response::foilgroup{$name.'.text'}=~/<drawoptionlist\s*\/>/) {
428: $Apache::response::foilgroup{$name.'.text'}=~s|<drawoptionlist\s*/>| \\makebox\[0\.3in\]\[b\]\{\\hrulefill\} |;
429: }
430: $result.= $Apache::response::foilgroup{$name.'.text'};
431: } else {
432: if ($Apache::lonhomework::type eq 'exam') {
433: $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]'.$Apache::response::foilgroup{$name.'.text'};
434: } else {
435: $result.= '\item '.$Apache::response::foilgroup{$name.'.text'};
436: }
437: }
438: if ($Apache::lonhomework::type eq 'exam') {
439: $result.=&bubbles(\@alphabet,\@opt);
440: $result.='\vskip 2 mm ';
441: }
442: }
443: }
444: }
445: }
446: if ($target ne 'tex') {
447: return $result.$break;
448: } else {
449: return $result;
450: }
451: }
452:
453:
454: sub optionlist_correction {
455:
456: my $texoptionlist = shift;
457: $texoptionlist =~ s/<option><\/option>/\\item \[\] Possible answers are:/;
458: $texoptionlist =~ s/<option>/\{\\bf /g;
459: $texoptionlist =~ s/<option selected="on">/\{\\bf /g;
460: $texoptionlist =~ s/<\/option>/\},/g;
461: $texoptionlist =~ s/,$/\./g;
462: $texoptionlist =~ s/>/\$>\$/g;
463: $texoptionlist =~ s/</\$<\$/g;
464: $texoptionlist =~ s/=/\$=\$/g;
465: $texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
466: return $texoptionlist;
467: }
468:
469:
470: sub webbubbles {
471:
472: my ($ropt,$ralphabet)=@_;
473: my @opt=@$ropt;
474: my @alphabet=@$ralphabet;
475: my $result='';
476: my $number_of_bubbles = $#opt + 1;
477: $result.= '<table border="1"><tr>';
478: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
479: $result.='<td>'.$alphabet[$ind].': '.$opt[$ind].'</td>';
480: }
481: $result.='</tr></table>';
482: return $result;
483: }
484:
485:
486: sub bubbles {
487:
488: my ($ralphabit,$ropt) = @_;
489: my @alphabet = @$ralphabit;
490: my @opt = @$ropt;
491: my ($result,$head,$line) =('','','');
492: my $number_of_bubbles = $#opt + 1;
493: my $current_length = 0;
494: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
495: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
496: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
497: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
498: $head.='lr';
499: } else {
500: $line=~s/\&\s*$//;
501: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
502: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
503: $head ='lr';
504: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
505: }
506:
507: }
508: &Apache::lonxml::increment_counter();
509: return $result;
510: }
511:
512:
513: sub start_conceptgroup {
514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
515: $Apache::optionresponse::conceptgroup=1;
516: %Apache::response::conceptgroup=();
517: my $result;
518: if ($target eq 'edit') {
519: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
520: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
521: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
522: }
523: if ($target eq 'modified') {
524: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
525: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
526: }
527: return $result;
528: }
529:
530: sub end_conceptgroup {
531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
532: $Apache::optionresponse::conceptgroup=0;
533: my $result='';
534: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
535: || $target eq 'tex' || $target eq 'analyze') {
536: #if not there aren't any foils to display and thus no question
537: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
538: my @names = @{ $Apache::response::conceptgroup{'names'} };
539: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
540: my $name=$names[$pick];
541: push @{ $Apache::response::foilgroup{'names'} }, $name;
542: $Apache::response::foilgroup{"$name.value"} =
543: $Apache::response::conceptgroup{"$name.value"};
544: $Apache::response::foilgroup{"$name.text"} =
545: $Apache::response::conceptgroup{"$name.text"};
546: $Apache::response::foilgroup{"$name.location"} =
547: $Apache::response::conceptgroup{"$name.location"};
548: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
549: $Apache::response::foilgroup{"$name.concept"} = $concept;
550: &Apache::lonxml::debug("Selecting $name in $concept");
551: if ($target eq 'analyze') {
552: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
553: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
554: $concept);
555: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
556: $Apache::response::conceptgroup{'names'};
557: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
558: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
559: $name);
560: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
561: $Apache::response::conceptgroup{"$name.value"};
562: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
563: $Apache::response::conceptgroup{"$name.text"};
564: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
565: $Apache::response::conceptgroup{"$name.location"};
566: }
567: } elsif ($target eq 'web') {
568: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
569: push(@{ $Apache::hint::option{"$part_id.concepts"} },
570: $concept);
571: $Apache::hint::option{"$part_id.concept.$concept"}=
572: $Apache::response::conceptgroup{'names'};
573: }
574: }
575: } elsif ($target eq 'edit') {
576: $result=&Apache::edit::end_table();
577: }
578: return $result;
579: }
580:
581: sub insert_conceptgroup {
582: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
583: return $result;
584: }
585:
586: sub start_foil {
587: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
588: my $result='';
589: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
590: &Apache::lonxml::startredirection;
591: } elsif ($target eq 'edit') {
592: $result=&Apache::edit::tag_start($target,$token,"Foil");
593: my $level='-2';
594: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
595: my @opt;
596: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
597: $result.=&Apache::edit::text_arg('Name:','name',$token);
598: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
599: ['unused',(@opt)],$token,'15');
600: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
601: $safeeval,'-3');
602: if ($randomize ne 'no') {
603: $result.=&Apache::edit::select_arg('Location:','location',
604: ['random','top','bottom'],$token);
605: }
606: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
607: } elsif ($target eq 'modified') {
608: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
609: 'value','name','location');
610: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
611: }
612: return $result;
613: }
614:
615: sub end_foil {
616: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
617: my $text ='';
618: my $result = '';
619: if ($target eq 'web' || $target eq 'tex') {
620: $text=&Apache::lonxml::endredirection;
621: if ($target eq 'tex') { $text = '\vspace*{-2 mm}\item '.$text; }
622: }
623: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
624: || $target eq 'tex' || $target eq 'analyze') {
625: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
626: if ($value ne 'unused') {
627: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
628: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
629: &Apache::lonxml::debug("Got a name of :$name:");
630: if (!$name) { $name=$Apache::lonxml::curdepth; }
631: &Apache::lonxml::debug("Using a name of :$name:");
632: if ( $Apache::optionresponse::conceptgroup
633: && !&Apache::response::showallfoils() ) {
634: push @{ $Apache::response::conceptgroup{'names'} }, $name;
635: $Apache::response::conceptgroup{"$name.value"} = $value;
636: $Apache::response::conceptgroup{"$name.text"} = $text;
637: $Apache::response::conceptgroup{"$name.location"} = $location;
638: } else {
639: push @{ $Apache::response::foilgroup{'names'} }, $name;
640: $Apache::response::foilgroup{"$name.value"} = $value;
641: $Apache::response::foilgroup{"$name.text"} = $text;
642: $Apache::response::foilgroup{"$name.location"} = $location;
643: }
644: }
645: }
646: if ($target eq 'edit') {
647: $result.= &Apache::edit::tag_end($target,$token,'');
648: }
649: return $result;
650: }
651:
652: sub insert_foil {
653: return '
654: <foil name="" value="unused">
655: <startouttext />
656: <endouttext />
657: </foil>';
658: }
659: 1;
660: __END__
661:
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