Annotation of loncom/homework/matchresponse.pm, revision 1.26
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.26 ! albertel 4: # $Id: matchresponse.pm,v 1.25 2003/10/10 16:47:25 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); }
1.21 sakharuk 105: } elsif ($target eq 'web' or $target eq 'tex') {
1.4 albertel 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') {
1.22 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].'] '.
1.21 sakharuk 152: $Apache::response::itemgroup{$name.'.text'};
1.5 sakharuk 153: $i++;
154: }
1.22 sakharuk 155: $table.=' \end{description} \strut ';
1.5 sakharuk 156: $Apache::matchresponse::itemtable{'display'}=$table;
1.17 albertel 157: }
1.1 albertel 158: return $result;
159: }
160:
161: sub start_item {
162: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
163: my $result='';
1.5 sakharuk 164: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 165: &Apache::lonxml::startredirection;
166: } elsif ($target eq 'edit') {
1.3 albertel 167: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
168: $safeeval,'-2');
1.1 albertel 169: $result=&Apache::edit::tag_start($target,$token,"Item");
170: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.3 albertel 171: if ($randomize ne 'no') {
172: $result.=&Apache::edit::select_arg('Location:','location',
173: ['random','top','bottom'],
174: $token);
175: }
176: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1 albertel 177: } elsif ($target eq 'modified') {
178: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3 albertel 179: $safeeval,'name',
180: 'location');
1.1 albertel 181: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
182: }
183: return $result;
184: }
185:
186: sub end_item {
187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
188: my $text ='';
189: my $result = '';
1.5 sakharuk 190: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 191: $text=&Apache::lonxml::endredirection;
192: }
193: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.5 sakharuk 194: $target eq 'edit' || $target eq 'tex') {
1.1 albertel 195: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 196: my $location=&Apache::lonxml::get_param('location',$parstack,
197: $safeeval);
1.1 albertel 198: &Apache::lonxml::debug("Got a name of :$name:");
199: if (!$name) { $name=$Apache::lonxml::curdepth; }
200: &Apache::lonxml::debug("Using a name of :$name:");
201: push @{ $Apache::response::itemgroup{'names'} }, $name;
202: $Apache::response::itemgroup{"$name.text"} = $text;
1.3 albertel 203: $Apache::response::itemgroup{"$name.location"} = $location;
1.1 albertel 204: }
205: if ($target eq 'edit') {
206: $result.= &Apache::edit::tag_end($target,$token,'');
207: }
208: return $result;
209: }
210:
211: sub insert_item {
212: return '
213: <item name="">
214: <startouttext />
215: <endouttext />
216: </item>';
217: }
218:
219: %Apache::response::foilgroup=();
220: sub start_foilgroup {
221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
222: my $result;
223: %Apache::response::foilgroup=();
224: $Apache::matchresponse::conceptgroup=0;
225: &Apache::response::setrandomnumber();
226: if ($target eq 'edit') {
227: $result.=&Apache::edit::start_table($token)
228: ."<tr><td>Collection Of Foils</td><td>Delete:"
229: .&Apache::edit::deletelist($target,$token)
230: ."</td><td> ".&Apache::edit::end_row()
231: .&Apache::edit::start_spanning_row()."\n";
232: }
233: return $result;
234: }
235:
236: sub end_foilgroup {
237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
238: my $result;
1.5 sakharuk 239: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 240: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
241: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
242: $safeeval,'-2');
1.5 sakharuk 243: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 244: $result=&displayfoils($target,$max,$randomize);
245: } elsif ($target eq 'answer' ) {
246: $result=&displayanswers($max,$randomize);
247: } elsif ( $target eq 'grade') {
248: &grade_response($max,$randomize);
249: }
1.20 sakharuk 250: &Apache::lonxml::increment_counter(&getfoilcounts($max));
1.1 albertel 251: } elsif ($target eq 'edit') {
252: $result=&Apache::edit::end_table();
253: }
254: return $result;
255: }
256:
257: sub displayanswers {
258: my ($max,$randomize,@opt)=@_;
259: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
260: my @names = @{ $Apache::response::foilgroup{'names'} };
1.18 albertel 261: my @whichfoils = &Apache::response::whichorder(&getfoilcounts($max),
262: $randomize,
263: &Apache::response::showallfoils(),
264: \%Apache::response::foilgroup);
1.1 albertel 265: my $result=&Apache::response::answer_header('matchresponse');
266: my %name_letter_map;
267: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
268: %name_letter_map=
269: %{ $Apache::response::itemgroup{'name_letter_map'} };
270: }
271: foreach my $name (@whichfoils) {
272: my $value_name=$Apache::response::foilgroup{$name.'.value'};
273: my $letter=$name_letter_map{$value_name};
274: $result.=&Apache::response::answer_part('matchresponse',$letter);
275: }
276: $result.=&Apache::response::answer_footer('matchresponse');
277: return $result;
278: }
279:
280:
281: sub grade_response {
282: my ($max,$randomize)=@_;
1.18 albertel 283: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
284: $randomize,
285: &Apache::response::showallfoils(),
286: \%Apache::response::foilgroup);
1.1 albertel 287: if (!defined($ENV{'form.submitted'})) { return; }
288: my %responsehash;
289: my %grade;
290: my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
291: my %letter_name_map;
292: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
293: %letter_name_map=
294: %{ $Apache::response::itemgroup{'letter_name_map'} };
295: }
296: foreach my $name (@whichfoils) {
297: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
298: my $responsename = $letter_name_map{$response};
299: $responsehash{$name}=$responsename;
300: my $value=$Apache::response::foilgroup{$name.'.value'};
301: if ( $response =~ /[^\s]/) {
302: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
303: if ($value eq $responsename) {
304: $grade{$name}='1'; $right++;
305: } else {
306: $grade{$name}='0'; $wrong++;
307: }
308: } else {
309: $ignored++;
310: }
311: $temp++;
312: }
313: my $part=$Apache::inputtags::part;
314: my $id = $Apache::inputtags::response['-1'];
315: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
316: my $gradestr =&Apache::lonnet::hash2str(%grade);
317: my %previous =&Apache::response::check_for_previous($responsestr,
318: $part,$id);
319: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
320: my $ad;
321: if ($wrong==0 && $ignored==0) {
322: $ad='EXACT_ANS';
323: } elsif ($wrong==0 && $right==0) {
324: #nothing submitted
325: } else {
326: if ($ignored==0) {
327: $ad='INCORRECT';
328: } else {
329: $ad='MISSING_ANSWER';
330: }
331: }
332: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
333: $responsestr;
334: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
335: $gradestr;
336: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
337: &Apache::response::handle_previous(\%previous,$ad);
338: }
339:
1.4 albertel 340: sub itemdisplay {
341: my ($location)=@_;
342: if ($location eq 'top' &&
343: !defined($Apache::matchresponse::itemtable{'location'})) {
344: return $Apache::matchresponse::itemtable{'display'};
345: }
346: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
347: return $Apache::matchresponse::itemtable{'display'};
348: }
349: return undef;
350: }
1.1 albertel 351: sub displayfoils {
352: my ($target,$max,$randomize)=@_;
353: my $result;
1.4 albertel 354: my $question;
1.18 albertel 355: my (@whichfoils)=&Apache::response::whichorder(&getfoilcounts($max),
356: $randomize,
357: &Apache::response::showallfoils(),
358: \%Apache::response::foilgroup);
1.1 albertel 359: my $part=$Apache::inputtags::part;
360: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
361: my %letter_name_map;
362: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
363: %letter_name_map=
364: %{ $Apache::response::itemgroup{'letter_name_map'} };
365: }
366: my %name_letter_map;
367: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
368: %name_letter_map=
369: %{ $Apache::response::itemgroup{'name_letter_map'} };
370: }
1.25 albertel 371: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1 albertel 372: foreach my $name (@whichfoils) {
373: my $text=$Apache::response::foilgroup{$name.'.text'};
374: my $value=$Apache::response::foilgroup{$name.'.value'};
375: my $letter=$name_letter_map{$value};
1.5 sakharuk 376: if ($target eq 'tex') {
377: $question.=' \\\\ '.$letter.':'.$text;
378: } else {
379: $question.='<br />'.$letter.':'.$text;
380: }
1.1 albertel 381: }
382: } else {
383: my $i = 0;
384: my $temp=0;
385: my $id=$Apache::inputtags::response[-1];
386: my $part=$Apache::inputtags::part;
387: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9 sakharuk 388: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
389: my @alphabet=('A'..'Z');
1.15 albertel 390: my @used_letters=sort(keys(%letter_name_map));
1.20 sakharuk 391: my $internal_counter=$Apache::lonxml::counter;
1.1 albertel 392: foreach my $name (@whichfoils) {
393: my $lastopt=$lastresponse{$name};
394: my $last_letter=$name_letter_map{$lastopt};
1.5 sakharuk 395: my $optionlist = '';
1.7 sakharuk 396: if ($target ne 'tex') {
397: $optionlist="<option></option>\n";
398: } else {
399: if ($Apache::lonhomework::type ne 'exam') {
400: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
401: }
402: }
1.1 albertel 403: my $option;
1.15 albertel 404: foreach $option (@used_letters) {
1.1 albertel 405: if ($option eq $last_letter) {
1.6 sakharuk 406: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1 albertel 407: } else {
1.6 sakharuk 408: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1 albertel 409: }
410: }
1.19 sakharuk 411: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.5 sakharuk 412: $optionlist='<select name="HWVAL_'.
413: $Apache::inputtags::response[-1].':'.$temp.'">'.
414: $optionlist."</select>\n";
415: }
1.1 albertel 416: my $text=$Apache::response::foilgroup{$name.'.text'};
1.5 sakharuk 417: if ($target ne 'tex') {
1.19 sakharuk 418: if ($Apache::lonhomework::type ne 'exam') {
419: $question.='<br />'.$optionlist.$text."\n";
420: } else {
421: $question.='<br />'.$text."\n";
422: }
1.6 sakharuk 423: if ($Apache::lonhomework::type eq 'exam') {
1.19 sakharuk 424: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@used_letters,$temp);
1.6 sakharuk 425: }
426: } else {
427: if ($Apache::lonhomework::type eq 'exam') {
428: $question.=' '.$optionlist.$text."\n";
1.13 sakharuk 429: my @emptyItems = ();
1.16 albertel 430: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
1.20 sakharuk 431: $question.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'}\end{enumerate}} \vskip -10 mm \strut ';
432: $internal_counter++;
1.6 sakharuk 433: } else {
1.22 sakharuk 434: $question.=' '.$optionlist.$text.'\strut\\\\\strut '."\n";
1.6 sakharuk 435: }
1.5 sakharuk 436: }
1.1 albertel 437: $temp++;
438: }
1.4 albertel 439: }
440: if ($result=&itemdisplay('top')) {
441: $result.=$question;
442: } elsif ($result=&itemdisplay('bottom')) {
443: $result=$question.$result;
444: } elsif ($result=&itemdisplay('right')) {
445: $result='<table><tr><td>'.$question.'</td><td>'.$result.
446: '</td></tr></table>';
447: } elsif ($result=&itemdisplay('left')) {
448: $result='<table><tr><td>'.$result.'</td><td>'.$question.
449: '</td></tr></table>';
1.1 albertel 450: }
1.5 sakharuk 451: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 452: return $result;
453: }
454:
455: sub getfoilcounts {
456: my ($max)=@_;
457: # +1 since instructors will count from 1
458: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
459: if (&Apache::response::showallfoils()) { $max=$count; }
460: if ($count>$max) { $count=$max }
461: &Apache::lonxml::debug("Count is $count from $max");
462: return $count;
463: }
464:
465:
466: sub start_conceptgroup {
467: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
468: $Apache::matchresponse::conceptgroup=1;
469: %Apache::response::conceptgroup=();
470: my $result;
471: if ($target eq 'edit') {
472: $result.=&Apache::edit::tag_start($target,$token,
473: "Concept Grouped Foils");
474: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
475: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
476: }
477: if ($target eq 'modified') {
478: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
479: $safeeval,'concept');
480: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
481: }
482: return $result;
483: }
484:
485: sub end_conceptgroup {
486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
487: $Apache::matchresponse::conceptgroup=0;
488: my $result='';
1.21 sakharuk 489: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 490: #if not there aren't any foils to display and thus no question
491: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
492: my @names = @{ $Apache::response::conceptgroup{'names'} };
493: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
494: my $name=$names[$pick];
495: push @{ $Apache::response::foilgroup{'names'} }, $name;
496: $Apache::response::foilgroup{"$name.value"} =
497: $Apache::response::conceptgroup{"$name.value"};
498: $Apache::response::foilgroup{"$name.text"} =
499: $Apache::response::conceptgroup{"$name.text"};
500: $Apache::response::foilgroup{"$name.location"} =
501: $Apache::response::conceptgroup{"$name.location"};
502: my $concept = &Apache::lonxml::get_param('concept',$parstack,
503: $safeeval);
504: $Apache::response::foilgroup{"$name.concept"} = $concept;
505: &Apache::lonxml::debug("Selecting $name in $concept");
506: if ($target eq 'web') {
507: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
508: push(@{ $Apache::hint::match{"$part_id.concepts"} },
509: $concept);
510: $Apache::hint::match{"$part_id.concept.$concept"}=
511: $Apache::response::conceptgroup{'names'};
512: }
513: }
514: } elsif ($target eq 'edit') {
515: $result=&Apache::edit::end_table();
516: }
517: return $result;
518: }
519:
520: sub insert_conceptgroup {
521: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
522: return $result;
523: }
524:
525: sub start_foil {
526: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
527: my $result='';
1.5 sakharuk 528: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 529: &Apache::lonxml::startredirection;
530: } elsif ($target eq 'edit') {
531: $result=&Apache::edit::tag_start($target,$token,"Foil");
532: my $level='-2';
533: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
534: $result.=&Apache::edit::text_arg('Name:','name',$token);
535: my @names;
536: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
537: @names=@{ $Apache::response::itemgroup{'names'} };
538: }
539: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
540: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
541: $safeeval,'-3');
542: if ($randomize ne 'no') {
543: $result.=&Apache::edit::select_arg('Location:','location',
544: ['random','top','bottom'],$token);
545: }
546: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
547: } elsif ($target eq 'modified') {
548: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
549: $safeeval,'value',
550: 'name','location');
551: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
552: }
553: return $result;
554: }
555:
556: sub end_foil {
557: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
558: my $text ='';
559: my $result = '';
1.5 sakharuk 560: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 561: $text=&Apache::lonxml::endredirection;
562: }
1.5 sakharuk 563: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 564: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
565: if ($value ne 'unused') {
566: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
567: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
568: &Apache::lonxml::debug("Got a name of :$name:");
569: if (!$name) { $name=$Apache::lonxml::curdepth; }
570: &Apache::lonxml::debug("Using a name of :$name:");
571: if ( $Apache::matchresponse::conceptgroup
572: && !&Apache::response::showallfoils() ) {
573: push @{ $Apache::response::conceptgroup{'names'} }, $name;
574: $Apache::response::conceptgroup{"$name.value"} = $value;
1.19 sakharuk 575: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
1.14 sakharuk 576: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
577: } else {
578: $Apache::response::conceptgroup{"$name.text"} = $text;
579: }
1.1 albertel 580: $Apache::response::conceptgroup{"$name.location"} = $location;
581: } else {
582: push @{ $Apache::response::foilgroup{'names'} }, $name;
583: $Apache::response::foilgroup{"$name.value"} = $value;
1.16 albertel 584: if ($Apache::lonhomework::type eq 'exam') {
1.19 sakharuk 585: if ($target eq 'tex') {
586: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
587: } else {
588: $Apache::response::foilgroup{"$name.text"} = $text;
589: }
1.14 sakharuk 590: } else {
591: if ($target eq 'tex') {
1.24 sakharuk 592: $Apache::response::foilgroup{"$name.text"} = $text;
1.14 sakharuk 593: } else {
594: $Apache::response::foilgroup{"$name.text"} = $text;
595: }
596: }
1.1 albertel 597: $Apache::response::foilgroup{"$name.location"} = $location;
598: }
599: }
600: }
601: if ($target eq 'edit') {
602: $result.= &Apache::edit::tag_end($target,$token,'');
603: }
604: return $result;
605: }
606:
607: sub insert_foil {
608: return '
609: <foil name="" value="unused">
610: <startouttext />
611: <endouttext />
612: </foil>';
613: }
614: 1;
615: __END__
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