1: # LearningOnline Network with CAPA
2: # option list style responses
3: #
4: # $Id: optionresponse.pm,v 1.88 2003/10/03 15:23:53 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' 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 $tex_option_switch=&Apache::lonxml::get_param('texoptions',$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 $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
170: foreach my $name (@{ $Apache::response::foilgroup{'names'} }) {
171: if (defined($Apache::lonhomework::analyze{"$part_id.foil.value.$name"})) { next; }
172: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },$name);
173: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
174: $Apache::response::foilgroup{"$name.value"};
175: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
176: $Apache::response::foilgroup{"$name.text"};
177: }
178: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
179: push (@{ $Apache::lonhomework::analyze{"$part_id.shown"} },&whichfoils($max,$randomize));
180: } elsif ( $target eq 'grade') {
181: if ( defined $ENV{'form.submitted'}) {
182: my @whichopt = &whichfoils($max,$randomize);
183: my $temp=1;my $name;
184: my %responsehash;
185: my %grade;
186: my $right=0;
187: my $wrong=0;
188: my $ignored=0;
189: foreach $name (@whichopt) {
190: my $response=&Apache::response::getresponse($temp);
191: if ($ENV{'form.submitted'} eq 'scantron') {
192: $response = $opt[$response];
193: }
194: $responsehash{$name}=$response;
195: if ( $response =~ /[^\s]/) {
196: my $value=$Apache::response::foilgroup{$name.'.value'};
197: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
198: if ($value eq $response) {
199: $grade{$name}='1'; $right++;
200: } else {
201: $grade{$name}='0'; $wrong++;
202: }
203: } else {
204: $ignored++;
205: }
206: $temp++;
207: }
208: my $part=$Apache::inputtags::part;
209: my $id = $Apache::inputtags::response['-1'];
210: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
211: my $gradestr =&Apache::lonnet::hash2str(%grade);
212: my %previous=&Apache::response::check_for_previous($responsestr,
213: $part,$id);
214: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored");
215: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
216: $responsestr;
217: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
218:
219: if (!$Apache::lonhomework::scantronmode) {
220: my $ad;
221: if ($wrong==0 && $ignored==0) {
222: $ad='EXACT_ANS';
223: } elsif ($wrong==0 && $right==0) {
224: #nothing submitted
225: } else {
226: if ($ignored==0) {
227: $ad='INCORRECT';
228: } else {
229: $ad='MISSING_ANSWER';
230: }
231: }
232: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
233: &Apache::response::handle_previous(\%previous,$ad);
234: } else {
235: my $ad;
236: if ($wrong==0 && $right==0) {
237: #nothing submitted
238: } else {
239: $ad='ASSIGNED_SCORE';
240: }
241: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
242: $Apache::lonhomework::results{"resource.$part.$id.awarded"}=
243: $right/(scalar(@whichopt));
244: $Apache::lonhomework::results{"resource.$part.$id.numfoils"}=
245: scalar(@whichopt);
246: }
247: }
248: }
249: &Apache::lonxml::increment_counter(&getfoilcounts($max));
250: } elsif ($target eq 'edit') {
251: $result.=&Apache::edit::end_table();
252: }
253: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
254: $result .= '\end{enumerate}';
255: }
256: return $result;
257: }
258:
259: sub getfoilcounts {
260: my ($max)=@_;
261: # +1 since instructors will count from 1
262: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
263: if (&Apache::response::showallfoils()) { $max=$count; }
264: if ($count>$max) { $count=$max }
265: &Apache::lonxml::debug("Count is $count from $max");
266: return $count;
267: }
268:
269: sub whichfoils {
270: my ($max,$randomize)=@_;
271: return &Apache::response::whichorder($max,$randomize,
272: &Apache::response::showallfoils(),
273: \%Apache::response::foilgroup);
274: }
275:
276: sub displayanswers {
277: my ($max,$randomize,@opt)=@_;
278: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
279: my @names = @{ $Apache::response::foilgroup{'names'} };
280: my @whichopt = &whichfoils($max,$randomize);
281: my $result=&Apache::response::answer_header('optionresponse');
282: foreach my $name (@whichopt) {
283: $result.=&Apache::response::answer_part('optionresponse',
284: $Apache::response::foilgroup{$name.'.value'})
285: }
286: $result.=&Apache::response::answer_footer('optionresponse');
287: return $result;
288: }
289:
290: sub displayfoils {
291: my ($target,$max,$randomize,@opt)=@_;
292: if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
293: my @names = @{ $Apache::response::foilgroup{'names'} };
294: my @truelist;
295: my @falselist;
296: my $result;
297: my $name;
298: my $displayoptionintex=0;
299: my @alphabet = ('A'..'Z');
300: my @whichopt = &whichfoils($max,$randomize);
301: my $part=$Apache::inputtags::part;
302: my $id=$Apache::inputtags::response[-1];
303: my $break;
304: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
305: my $status=$Apache::inputtags::status[-1];
306: if ( ($target ne 'tex') &&
307: &Apache::response::show_answer() ) {
308: foreach $name (@whichopt) {
309: my $text=$Apache::response::foilgroup{$name.'.text'};
310: if ($text!~/^\s*$/) {
311: if ($target eq 'tex') {
312: $break='\vskip 0 mm ';
313: } elsif ($target eq 'web') {
314: $break='<br />';
315: }
316: }
317: $result.=$break;
318: if ($target eq 'web') {
319: my $value=$Apache::response::foilgroup{$name.'.value'};
320: if (!($text=~s|<drawoptionlist\s*/>|$value|)) {
321: if ($text=~/^\s*$/) {
322: $text=$value.$text;
323: } else {
324: $text=$value.': '.$text;
325: }
326: }
327: $result.=$text."\n";
328: } elsif ($target eq 'tex') {
329: $Apache::response::foilgroup{$name.'.text'}=~s/\\item//;
330: if ($max>1) {$result .='\item ';}
331: $result .=' \textit{'.$Apache::response::foilgroup{$name.'.value'}.'}'.
332: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
333: }
334: if ($Apache::lonhomework::type eq 'exam') {
335: if ($target ne 'tex') {
336: $result.=&webbubbles(\@opt,\@alphabet);
337: } else {
338: $result.=&bubbles(\@alphabet,\@opt);
339: }
340: }
341: }
342: } else {
343: my $temp=1;
344: my %lastresponse=&Apache::lonnet::str2hash($Apache::lonhomework::history{"resource.$part.$id.submission"});
345: my $internal_counter=$Apache::lonxml::counter;
346: foreach $name (@whichopt) {
347: my $text=$Apache::response::foilgroup{$name.'.text'};
348: if ($text!~/^\s*$/) {
349: if ($target eq 'tex') {
350: $break='\vskip 0 mm ';
351: } elsif ($target eq 'web') {
352: $break='<br />';
353: }
354: }
355: my $lastopt=$lastresponse{$name};
356: my $optionlist="<option></option>\n";
357: my $option;
358: foreach $option (@opt) {
359: if ($option eq $lastopt) {
360: $optionlist.="<option selected=\"on\">$option</option>\n";
361: } else {
362: $optionlist.="<option>$option</option>\n";
363: }
364: }
365: if ($target ne 'tex') {
366: if ($Apache::lonhomework::type ne 'exam') {
367: $optionlist='<select name="HWVAL_'.
368: $Apache::inputtags::response['-1'].':'.$temp.'">'.
369: $optionlist."</select>\n";
370: }
371: my $text=$Apache::response::foilgroup{$name.'.text'};
372: if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
373: $text=$optionlist.$text;
374: }
375: $result.=$break.$text."\n";
376: if ($Apache::lonhomework::type eq 'exam') {
377: $result.=&webbubbles(\@opt,\@alphabet,$temp);
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)=@_;
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: $result.='<td><input type="radio" name="HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp.
466: '" value='.$opt[$ind].'>'.$alphabet[$ind].': '.$opt[$ind].'</td>';
467: }
468: $result.='</tr></table>';
469: return $result;
470: }
471:
472:
473: sub bubbles {
474:
475: my ($ralphabit,$ropt) = @_;
476: my @alphabet = @$ralphabit;
477: my @opt = @$ropt;
478: my ($result,$head,$line) =('','','');
479: my $number_of_bubbles = $#opt + 1;
480: my $current_length = 0;
481: for (my $ind=0;$ind<=$number_of_bubbles;$ind++) {
482: $current_length += (length($opt[$ind])+length($alphabet[$ind])+2)*2;
483: if ($current_length<0.9*$ENV{'form.textwidth'} and $ind!=$number_of_bubbles) {
484: $line.='\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';
485: $head.='lr';
486: } else {
487: $line=~s/\&\s*$//;
488: $result.='\vskip -5 mm\begin{tabular}{'.$head.'}\\\\'.$line.'\\\\\end{tabular}';
489: $line = '\hskip -1 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -1 mm & \hskip -3 mm {\small '.$opt[$ind].'} & ';;
490: $head ='lr';
491: $current_length = (length($opt[$ind])+length($alphabet[$ind]))*2;
492: }
493:
494: }
495: return $result;
496: }
497:
498:
499: sub start_conceptgroup {
500: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
501: $Apache::optionresponse::conceptgroup=1;
502: %Apache::response::conceptgroup=();
503: my $result;
504: if ($target eq 'edit') {
505: $result.=&Apache::edit::tag_start($target,$token,"Concept Grouped Foils");
506: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
507: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
508: }
509: if ($target eq 'modified') {
510: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'concept');
511: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
512: }
513: return $result;
514: }
515:
516: sub end_conceptgroup {
517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
518: $Apache::optionresponse::conceptgroup=0;
519: my $result='';
520: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
521: || $target eq 'tex' || $target eq 'analyze') {
522: #if not there aren't any foils to display and thus no question
523: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
524: my @names = @{ $Apache::response::conceptgroup{'names'} };
525: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
526: my $name=$names[$pick];
527: push @{ $Apache::response::foilgroup{'names'} }, $name;
528: $Apache::response::foilgroup{"$name.value"} =
529: $Apache::response::conceptgroup{"$name.value"};
530: $Apache::response::foilgroup{"$name.text"} =
531: $Apache::response::conceptgroup{"$name.text"};
532: $Apache::response::foilgroup{"$name.location"} =
533: $Apache::response::conceptgroup{"$name.location"};
534: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
535: $Apache::response::foilgroup{"$name.concept"} = $concept;
536: &Apache::lonxml::debug("Selecting $name in $concept");
537: if ($target eq 'analyze') {
538: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
539: push (@{ $Apache::lonhomework::analyze{"$part_id.concepts"} },
540: $concept);
541: $Apache::lonhomework::analyze{"$part_id.concept.$concept"}=
542: $Apache::response::conceptgroup{'names'};
543: foreach my $name (@{ $Apache::response::conceptgroup{'names'} }) {
544: push (@{ $Apache::lonhomework::analyze{"$part_id.foils"} },
545: $name);
546: $Apache::lonhomework::analyze{"$part_id.foil.value.$name"} =
547: $Apache::response::conceptgroup{"$name.value"};
548: $Apache::lonhomework::analyze{"$part_id.foil.text.$name"} =
549: $Apache::response::conceptgroup{"$name.text"};
550: $Apache::lonhomework::analyze{"$part_id.foil.location.$name"} =
551: $Apache::response::conceptgroup{"$name.location"};
552: }
553: } elsif ($target eq 'web') {
554: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
555: push(@{ $Apache::hint::option{"$part_id.concepts"} },
556: $concept);
557: $Apache::hint::option{"$part_id.concept.$concept"}=
558: $Apache::response::conceptgroup{'names'};
559: }
560: }
561: } elsif ($target eq 'edit') {
562: $result=&Apache::edit::end_table();
563: }
564: return $result;
565: }
566:
567: sub insert_conceptgroup {
568: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
569: return $result;
570: }
571:
572: sub start_foil {
573: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
574: my $result='';
575: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze' ) {
576: &Apache::lonxml::startredirection;
577: } elsif ($target eq 'edit') {
578: $result=&Apache::edit::tag_start($target,$token,"Foil");
579: my $level='-2';
580: if ($$tagstack['-2'] eq 'conceptgroup') { $level = '-3'; }
581: my @opt;
582: eval '@opt ='.&Apache::lonxml::get_param('options',$parstack,$safeeval,$level);
583: $result.=&Apache::edit::text_arg('Name:','name',$token);
584: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',
585: ['unused',(@opt)],$token,'15');
586: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
587: $safeeval,'-3');
588: if ($randomize ne 'no') {
589: $result.=&Apache::edit::select_arg('Location:','location',
590: ['random','top','bottom'],$token);
591: }
592: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
593: } elsif ($target eq 'modified') {
594: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
595: 'value','name','location');
596: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
597: }
598: return $result;
599: }
600:
601: sub end_foil {
602: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
603: my $text ='';
604: my $result = '';
605: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
606: $text=&Apache::lonxml::endredirection;
607: if ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $text = '\vspace*{-2 mm}\item '.$text; }
608: }
609: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
610: || $target eq 'tex' || $target eq 'analyze') {
611: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
612: if ($value ne 'unused') {
613: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
614: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
615: &Apache::lonxml::debug("Got a name of :$name:");
616: if (!$name) { $name=$Apache::lonxml::curdepth; }
617: &Apache::lonxml::debug("Using a name of :$name:");
618: if ( $Apache::optionresponse::conceptgroup
619: && !&Apache::response::showallfoils() ) {
620: push @{ $Apache::response::conceptgroup{'names'} }, $name;
621: $Apache::response::conceptgroup{"$name.value"} = $value;
622: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
623: $Apache::response::conceptgroup{"$name.text"} = '\vskip 4 mm $\triangleright$ '.$text;
624: } else {
625: $Apache::response::conceptgroup{"$name.text"} = $text;
626: }
627: $Apache::response::conceptgroup{"$name.location"} = $location;
628: } else {
629: push @{ $Apache::response::foilgroup{'names'} }, $name;
630: $Apache::response::foilgroup{"$name.value"} = $value;
631: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
632: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
633: } else {
634: $Apache::response::foilgroup{"$name.text"} = $text;
635: }
636: $Apache::response::foilgroup{"$name.location"} = $location;
637: }
638: }
639: }
640: if ($target eq 'edit') {
641: $result.= &Apache::edit::tag_end($target,$token,'');
642: }
643: return $result;
644: }
645:
646: sub insert_foil {
647: return '
648: <foil name="" value="unused">
649: <startouttext />
650: <endouttext />
651: </foil>';
652: }
653: 1;
654: __END__
655:
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