Annotation of loncom/homework/matchresponse.pm, revision 1.20.2.2
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.20.2.2! albertel 4: # $Id: matchresponse.pm,v 1.20.2.1 2003/09/23 01:52:57 albertel Exp $
1.1 albertel 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:
30: package Apache::matchresponse;
31: use strict;
32: use HTML::Entities();
33: use Math::Random();
1.6 sakharuk 34: use Apache::optionresponse;
35:
1.1 albertel 36: BEGIN {
37: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
38: }
39:
40: sub start_matchresponse {
41: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
42: my $result;
43: #when in a matchresponse use these
44: &Apache::lonxml::register('Apache::matchresponse',
45: ('foilgroup','foil','conceptgroup','item',
46: 'itemgroup'));
47: push (@Apache::lonxml::namespace,'matchresponse');
48: my $id = &Apache::response::start_response($parstack,$safeeval);
49: %Apache::hint::match=();
50: if ($target eq 'meta') {
51: $result=&Apache::response::meta_package_write('matchresponse');
52: } elsif ($target eq 'edit' ) {
53: $result.=&Apache::edit::start_table($token).
54: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
55: &Apache::edit::deletelist($target,$token)
56: ."</td><td> ".&Apache::edit::end_row()
57: .&Apache::edit::start_spanning_row();
58:
59: $result.=
60: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
61: &Apache::edit::select_arg('Randomize Foil Order','randomize',
62: ['yes','no'],$token).
63: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
64: } elsif ($target eq 'modified') {
65: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
66: $safeeval,'max',
67: 'randomize');
68: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
69: }
70: return $result;
71: }
72:
73: sub end_matchresponse {
74: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
75: my $result;
76: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
77: &Apache::response::end_response;
78: pop @Apache::lonxml::namespace;
79: &Apache::lonxml::deregister('Apache::matchresponse',
80: ('foilgroup','foil','conceptgroup'));
81: return $result;
82: }
83:
84: %Apache::response::itemgroup=();
85: sub start_itemgroup {
86: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
87: my $result;
88: %Apache::response::itemgroup=();
1.4 albertel 89: %Apache::matchresponse::itemtable=();
1.15 albertel 90:
1.1 albertel 91: if ($target eq 'edit') {
92: $result=&Apache::edit::tag_start($target,$token);
93: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
94: ['yes','no'],$token);
1.4 albertel 95: $result.=&Apache::edit::select_arg('Items Display Location:',
96: 'location',
97: ['top','bottom','left','right'],
98: $token);
1.1 albertel 99: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4 albertel 100: } elsif ($target eq 'modified') {
101: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
102: $safeeval,'randomize',
103: 'location');
104: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
105: } elsif ($target eq 'web') {
106: $Apache::matchresponse::itemtable{'location'}=
107: &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.1 albertel 108: }
109: return $result;
110: }
111:
112: sub end_itemgroup {
113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
114: my $result;
115:
1.17 albertel 116: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.1 albertel 117: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
118: my @names=@{ $Apache::response::itemgroup{'names'} };
119: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2 albertel 120: if ($randomize ne 'no' ) {
1.18 albertel 121: @names=&Apache::response::whichorder($#names+1,$randomize,0,
122: \%Apache::response::itemgroup);
1.1 albertel 123: }
124: my %letter_name_map;
125: my %name_letter_map;
126: my @alphabet=('A'..'Z');
127: my $i=0;
128: foreach my $name (@names) {
129: $letter_name_map{$alphabet[$i]}=$name;
130: $name_letter_map{$name}=$alphabet[$i];
131: $i++;
132: }
1.15 albertel 133: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
1.1 albertel 134: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
135: if ($target eq 'web') {
1.4 albertel 136: my $table='<table>';
1.1 albertel 137: my $i=0;
138: foreach my $name (@names) {
1.4 albertel 139: $table.='<tr><td>'.$alphabet[$i].'</td><td>'.
1.1 albertel 140: $Apache::response::itemgroup{$name.'.text'}.
141: '</td></tr>';
142: $i++;
143: }
1.4 albertel 144: $table.='</table>';
145: $Apache::matchresponse::itemtable{'display'}=$table;
1.5 sakharuk 146: } elsif ($target eq 'tex') {
1.19 sakharuk 147: my $table=' \\\\\\\\ \begin{description} ';
1.5 sakharuk 148: my $i=0;
149: foreach my $name (@names) {
1.11 sakharuk 150: $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.19 sakharuk 151: $table.='\item['.$alphabet[$i].'] '.
1.5 sakharuk 152: $Apache::response::itemgroup{$name.'.text'}.
153: ' \\\\ ';
154: $i++;
155: }
1.19 sakharuk 156: $table.=' \end{description} \strut \\\\ ';
1.5 sakharuk 157: $Apache::matchresponse::itemtable{'display'}=$table;
1.17 albertel 158: }
1.1 albertel 159: return $result;
160: }
161:
162: sub start_item {
163: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
164: my $result='';
1.5 sakharuk 165: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 166: &Apache::lonxml::startredirection;
167: } elsif ($target eq 'edit') {
1.3 albertel 168: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
169: $safeeval,'-2');
1.1 albertel 170: $result=&Apache::edit::tag_start($target,$token,"Item");
171: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.3 albertel 172: if ($randomize ne 'no') {
173: $result.=&Apache::edit::select_arg('Location:','location',
174: ['random','top','bottom'],
175: $token);
176: }
177: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1 albertel 178: } elsif ($target eq 'modified') {
179: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3 albertel 180: $safeeval,'name',
181: 'location');
1.1 albertel 182: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
183: }
184: return $result;
185: }
186:
187: sub end_item {
188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
189: my $text ='';
190: my $result = '';
1.5 sakharuk 191: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 192: $text=&Apache::lonxml::endredirection;
193: }
194: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.5 sakharuk 195: $target eq 'edit' || $target eq 'tex') {
1.1 albertel 196: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 197: my $location=&Apache::lonxml::get_param('location',$parstack,
198: $safeeval);
1.1 albertel 199: &Apache::lonxml::debug("Got a name of :$name:");
200: if (!$name) { $name=$Apache::lonxml::curdepth; }
201: &Apache::lonxml::debug("Using a name of :$name:");
202: push @{ $Apache::response::itemgroup{'names'} }, $name;
203: $Apache::response::itemgroup{"$name.text"} = $text;
1.3 albertel 204: $Apache::response::itemgroup{"$name.location"} = $location;
1.1 albertel 205: }
206: if ($target eq 'edit') {
207: $result.= &Apache::edit::tag_end($target,$token,'');
208: }
209: return $result;
210: }
211:
212: sub insert_item {
213: return '
214: <item name="">
215: <startouttext />
216: <endouttext />
217: </item>';
218: }
219:
220: %Apache::response::foilgroup=();
221: sub start_foilgroup {
222: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
223: my $result;
224: %Apache::response::foilgroup=();
225: $Apache::matchresponse::conceptgroup=0;
226: &Apache::response::setrandomnumber();
227: if ($target eq 'edit') {
228: $result.=&Apache::edit::start_table($token)
229: ."<tr><td>Collection Of Foils</td><td>Delete:"
230: .&Apache::edit::deletelist($target,$token)
231: ."</td><td> ".&Apache::edit::end_row()
232: .&Apache::edit::start_spanning_row()."\n";
233: }
234: return $result;
235: }
236:
237: sub end_foilgroup {
238: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
239: my $result;
1.5 sakharuk 240: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 241: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
242: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
243: $safeeval,'-2');
1.5 sakharuk 244: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 245: $result=&displayfoils($target,$max,$randomize);
246: } elsif ($target eq 'answer' ) {
247: $result=&displayanswers($max,$randomize);
248: } elsif ( $target eq 'grade') {
249: &grade_response($max,$randomize);
250: }
1.20 sakharuk 251: &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.1 albertel 252: } elsif ($target eq 'edit') {
253: $result=&Apache::edit::end_table();
254: }
255: return $result;
256: }
257:
258: sub displayanswers {
259: my ($max,$randomize,@opt)=@_;
260: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
261: my @names = @{ $Apache::response::foilgroup{'names'} };
1.18 albertel 262: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
263: $randomize,
264: &Apache::response::showallfoils(),
265: \%Apache::response::foilgroup);
1.1 albertel 266: my $result=&Apache::response::answer_header('matchresponse');
267: my %name_letter_map;
268: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
269: %name_letter_map=
270: %{ $Apache::response::itemgroup{'name_letter_map'} };
271: }
272: foreach my $name (@whichfoils) {
273: my $value_name=$Apache::response::foilgroup{$name.'.value'};
274: my $letter=$name_letter_map{$value_name};
275: $result.=&Apache::response::answer_part('matchresponse',$letter);
276: }
277: $result.=&Apache::response::answer_footer('matchresponse');
278: return $result;
279: }
280:
281:
282: sub grade_response {
283: my ($max,$randomize)=@_;
1.18 albertel 284: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
285: $randomize,
286: &Apache::response::showallfoils(),
287: \%Apache::response::foilgroup);
1.1 albertel 288: if (!defined($ENV{'form.submitted'})) { return; }
289: my %responsehash;
290: my %grade;
291: my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
292: my %letter_name_map;
293: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
294: %letter_name_map=
295: %{ $Apache::response::itemgroup{'letter_name_map'} };
296: }
297: foreach my $name (@whichfoils) {
1.20.2.2! albertel 298: my $response = &Apache::response::getresponse($temp);
1.1 albertel 299: my $responsename = $letter_name_map{$response};
300: $responsehash{$name}=$responsename;
301: my $value=$Apache::response::foilgroup{$name.'.value'};
302: if ( $response =~ /[^\s]/) {
303: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
304: if ($value eq $responsename) {
305: $grade{$name}='1'; $right++;
306: } else {
307: $grade{$name}='0'; $wrong++;
308: }
309: } else {
310: $ignored++;
311: }
312: $temp++;
313: }
314: my $part=$Apache::inputtags::part;
315: my $id = $Apache::inputtags::response['-1'];
316: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
317: my $gradestr =&Apache::lonnet::hash2str(%grade);
318: my %previous =&Apache::response::check_for_previous($responsestr,
319: $part,$id);
320: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
321: my $ad;
322: if ($wrong==0 && $ignored==0) {
323: $ad='EXACT_ANS';
324: } elsif ($wrong==0 && $right==0) {
325: #nothing submitted
326: } else {
327: if ($ignored==0) {
328: $ad='INCORRECT';
329: } else {
330: $ad='MISSING_ANSWER';
331: }
332: }
333: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
334: $responsestr;
335: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
336: $gradestr;
337: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
338: &Apache::response::handle_previous(\%previous,$ad);
339: }
340:
1.4 albertel 341: sub itemdisplay {
342: my ($location)=@_;
343: if ($location eq 'top' &&
344: !defined($Apache::matchresponse::itemtable{'location'})) {
345: return $Apache::matchresponse::itemtable{'display'};
346: }
347: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
348: return $Apache::matchresponse::itemtable{'display'};
349: }
350: return undef;
351: }
1.1 albertel 352: sub displayfoils {
353: my ($target,$max,$randomize)=@_;
354: my $result;
1.4 albertel 355: my $question;
1.18 albertel 356: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
357: $randomize,
358: &Apache::response::showallfoils(),
359: \%Apache::response::foilgroup);
1.1 albertel 360: my $part=$Apache::inputtags::part;
361: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
362: my $status=$Apache::inputtags::status[-1];
363: my %letter_name_map;
364: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
365: %letter_name_map=
366: %{ $Apache::response::itemgroup{'letter_name_map'} };
367: }
368: my %name_letter_map;
369: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
370: %name_letter_map=
371: %{ $Apache::response::itemgroup{'name_letter_map'} };
372: }
1.20.2.1 albertel 373: if ( &Apache::response::show_answer() ) {
1.1 albertel 374: foreach my $name (@whichfoils) {
375: my $text=$Apache::response::foilgroup{$name.'.text'};
376: my $value=$Apache::response::foilgroup{$name.'.value'};
377: my $letter=$name_letter_map{$value};
1.5 sakharuk 378: if ($target eq 'tex') {
379: $question.=' \\\\ '.$letter.':'.$text;
380: } else {
381: $question.='<br />'.$letter.':'.$text;
382: }
1.1 albertel 383: }
384: } else {
385: my $i = 0;
386: my $temp=0;
387: my $id=$Apache::inputtags::response[-1];
388: my $part=$Apache::inputtags::part;
389: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9 sakharuk 390: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
391: my @alphabet=('A'..'Z');
1.15 albertel 392: my @used_letters=sort(keys(%letter_name_map));
1.20 sakharuk 393: my $internal_counter=$Apache::lonxml::counter;
1.1 albertel 394: foreach my $name (@whichfoils) {
395: my $lastopt=$lastresponse{$name};
396: my $last_letter=$name_letter_map{$lastopt};
1.5 sakharuk 397: my $optionlist = '';
1.7 sakharuk 398: if ($target ne 'tex') {
399: $optionlist="<option></option>\n";
400: } else {
401: if ($Apache::lonhomework::type ne 'exam') {
402: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
403: }
404: }
1.1 albertel 405: my $option;
1.15 albertel 406: foreach $option (@used_letters) {
1.1 albertel 407: if ($option eq $last_letter) {
1.6 sakharuk 408: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1 albertel 409: } else {
1.6 sakharuk 410: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1 albertel 411: }
412: }
1.19 sakharuk 413: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.5 sakharuk 414: $optionlist='<select name="HWVAL_'.
415: $Apache::inputtags::response[-1].':'.$temp.'">'.
416: $optionlist."</select>\n";
417: }
1.1 albertel 418: my $text=$Apache::response::foilgroup{$name.'.text'};
1.5 sakharuk 419: if ($target ne 'tex') {
1.19 sakharuk 420: if ($Apache::lonhomework::type ne 'exam') {
421: $question.='<br />'.$optionlist.$text."\n";
422: } else {
423: $question.='<br />'.$text."\n";
424: }
1.6 sakharuk 425: if ($Apache::lonhomework::type eq 'exam') {
1.20.2.2! albertel 426: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@used_letters,$temp,$last_letter);
1.6 sakharuk 427: }
428: } else {
429: if ($Apache::lonhomework::type eq 'exam') {
430: $question.=' '.$optionlist.$text."\n";
1.13 sakharuk 431: my @emptyItems = ();
1.16 albertel 432: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.20 sakharuk 433: $question.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'}\end{enumerate}} \vskip -10 mm \strut ';
434: $internal_counter++;
1.6 sakharuk 435: } else {
436: $question.=' \\\\ '.$optionlist.$text."\n";
437: }
1.5 sakharuk 438: }
1.1 albertel 439: $temp++;
440: }
1.4 albertel 441: }
442: if ($result=&itemdisplay('top')) {
443: $result.=$question;
444: } elsif ($result=&itemdisplay('bottom')) {
445: $result=$question.$result;
446: } elsif ($result=&itemdisplay('right')) {
447: $result='<table><tr><td>'.$question.'</td><td>'.$result.
448: '</td></tr></table>';
449: } elsif ($result=&itemdisplay('left')) {
450: $result='<table><tr><td>'.$result.'</td><td>'.$question.
451: '</td></tr></table>';
1.1 albertel 452: }
1.5 sakharuk 453: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 454: return $result;
455: }
456:
457: sub getfoilcounts {
458: my ($max)=@_;
459: # +1 since instructors will count from 1
460: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
461: if (&Apache::response::showallfoils()) { $max=$count; }
462: if ($count>$max) { $count=$max }
463: &Apache::lonxml::debug("Count is $count from $max");
464: return $count;
465: }
466:
467:
468: sub start_conceptgroup {
469: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
470: $Apache::matchresponse::conceptgroup=1;
471: %Apache::response::conceptgroup=();
472: my $result;
473: if ($target eq 'edit') {
474: $result.=&Apache::edit::tag_start($target,$token,
475: "Concept Grouped Foils");
476: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
477: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
478: }
479: if ($target eq 'modified') {
480: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
481: $safeeval,'concept');
482: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
483: }
484: return $result;
485: }
486:
487: sub end_conceptgroup {
488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
489: $Apache::matchresponse::conceptgroup=0;
490: my $result='';
491: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
492: #if not there aren't any foils to display and thus no question
493: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
494: my @names = @{ $Apache::response::conceptgroup{'names'} };
495: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
496: my $name=$names[$pick];
497: push @{ $Apache::response::foilgroup{'names'} }, $name;
498: $Apache::response::foilgroup{"$name.value"} =
499: $Apache::response::conceptgroup{"$name.value"};
500: $Apache::response::foilgroup{"$name.text"} =
501: $Apache::response::conceptgroup{"$name.text"};
502: $Apache::response::foilgroup{"$name.location"} =
503: $Apache::response::conceptgroup{"$name.location"};
504: my $concept = &Apache::lonxml::get_param('concept',$parstack,
505: $safeeval);
506: $Apache::response::foilgroup{"$name.concept"} = $concept;
507: &Apache::lonxml::debug("Selecting $name in $concept");
508: if ($target eq 'web') {
509: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
510: push(@{ $Apache::hint::match{"$part_id.concepts"} },
511: $concept);
512: $Apache::hint::match{"$part_id.concept.$concept"}=
513: $Apache::response::conceptgroup{'names'};
514: }
515: }
516: } elsif ($target eq 'edit') {
517: $result=&Apache::edit::end_table();
518: }
519: return $result;
520: }
521:
522: sub insert_conceptgroup {
523: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
524: return $result;
525: }
526:
527: sub start_foil {
528: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
529: my $result='';
1.5 sakharuk 530: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 531: &Apache::lonxml::startredirection;
532: } elsif ($target eq 'edit') {
533: $result=&Apache::edit::tag_start($target,$token,"Foil");
534: my $level='-2';
535: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
536: $result.=&Apache::edit::text_arg('Name:','name',$token);
537: my @names;
538: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
539: @names=@{ $Apache::response::itemgroup{'names'} };
540: }
541: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
542: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
543: $safeeval,'-3');
544: if ($randomize ne 'no') {
545: $result.=&Apache::edit::select_arg('Location:','location',
546: ['random','top','bottom'],$token);
547: }
548: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
549: } elsif ($target eq 'modified') {
550: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
551: $safeeval,'value',
552: 'name','location');
553: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
554: }
555: return $result;
556: }
557:
558: sub end_foil {
559: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
560: my $text ='';
561: my $result = '';
1.5 sakharuk 562: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 563: $text=&Apache::lonxml::endredirection;
564: }
1.5 sakharuk 565: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 566: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
567: if ($value ne 'unused') {
568: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
569: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
570: &Apache::lonxml::debug("Got a name of :$name:");
571: if (!$name) { $name=$Apache::lonxml::curdepth; }
572: &Apache::lonxml::debug("Using a name of :$name:");
573: if ( $Apache::matchresponse::conceptgroup
574: && !&Apache::response::showallfoils() ) {
575: push @{ $Apache::response::conceptgroup{'names'} }, $name;
576: $Apache::response::conceptgroup{"$name.value"} = $value;
1.19 sakharuk 577: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
1.14 sakharuk 578: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
579: } else {
580: $Apache::response::conceptgroup{"$name.text"} = $text;
581: }
1.1 albertel 582: $Apache::response::conceptgroup{"$name.location"} = $location;
583: } else {
584: push @{ $Apache::response::foilgroup{'names'} }, $name;
585: $Apache::response::foilgroup{"$name.value"} = $value;
1.16 albertel 586: if ($Apache::lonhomework::type eq 'exam') {
1.19 sakharuk 587: if ($target eq 'tex') {
588: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
589: } else {
590: $Apache::response::foilgroup{"$name.text"} = $text;
591: }
1.14 sakharuk 592: } else {
593: if ($target eq 'tex') {
594: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
595: } else {
596: $Apache::response::foilgroup{"$name.text"} = $text;
597: }
598: }
1.1 albertel 599: $Apache::response::foilgroup{"$name.location"} = $location;
600: }
601: }
602: }
603: if ($target eq 'edit') {
604: $result.= &Apache::edit::tag_end($target,$token,'');
605: }
606: return $result;
607: }
608:
609: sub insert_foil {
610: return '
611: <foil name="" value="unused">
612: <startouttext />
613: <endouttext />
614: </foil>';
615: }
616: 1;
617: __END__
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