Annotation of loncom/homework/matchresponse.pm, revision 1.17
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.17 ! albertel 4: # $Id: matchresponse.pm,v 1.16 2003/03/26 22:59:09 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' ) {
1.3 albertel 121: @names=&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') {
147: my $table=' \\\\\\\\ \begin{tabular}{ll} ';
148: my $i=0;
149: foreach my $name (@names) {
1.11 sakharuk 150: $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.5 sakharuk 151: $table.=' '.$alphabet[$i].' & '.
152: $Apache::response::itemgroup{$name.'.text'}.
153: ' \\\\ ';
154: $i++;
155: }
156: $table.=' \end{tabular} \\\\ ';
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,$randomize);
250: }
251: } elsif ($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 = @{ $Apache::response::foilgroup{'names'} };
1.3 albertel 261: my @whichfoils = &whichorder(&getfoilcounts($max),$randomize,
262: &Apache::response::showallfoils(),
263: \%Apache::response::foilgroup);
1.1 albertel 264: my $result=&Apache::response::answer_header('matchresponse');
265: my %name_letter_map;
266: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
267: %name_letter_map=
268: %{ $Apache::response::itemgroup{'name_letter_map'} };
269: }
270: foreach my $name (@whichfoils) {
271: my $value_name=$Apache::response::foilgroup{$name.'.value'};
272: my $letter=$name_letter_map{$value_name};
273: $result.=&Apache::response::answer_part('matchresponse',$letter);
274: }
275: $result.=&Apache::response::answer_footer('matchresponse');
276: return $result;
277: }
278:
279:
280: sub grade_response {
281: my ($max,$randomize)=@_;
1.3 albertel 282: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
283: &Apache::response::showallfoils(),
284: \%Apache::response::foilgroup);
1.1 albertel 285: if (!defined($ENV{'form.submitted'})) { return; }
286: my %responsehash;
287: my %grade;
288: my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
289: my %letter_name_map;
290: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
291: %letter_name_map=
292: %{ $Apache::response::itemgroup{'letter_name_map'} };
293: }
294: foreach my $name (@whichfoils) {
295: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
296: my $responsename = $letter_name_map{$response};
297: $responsehash{$name}=$responsename;
298: my $value=$Apache::response::foilgroup{$name.'.value'};
299: if ( $response =~ /[^\s]/) {
300: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
301: if ($value eq $responsename) {
302: $grade{$name}='1'; $right++;
303: } else {
304: $grade{$name}='0'; $wrong++;
305: }
306: } else {
307: $ignored++;
308: }
309: $temp++;
310: }
311: my $part=$Apache::inputtags::part;
312: my $id = $Apache::inputtags::response['-1'];
313: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
314: my $gradestr =&Apache::lonnet::hash2str(%grade);
315: my %previous =&Apache::response::check_for_previous($responsestr,
316: $part,$id);
317: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
318: my $ad;
319: if ($wrong==0 && $ignored==0) {
320: $ad='EXACT_ANS';
321: } elsif ($wrong==0 && $right==0) {
322: #nothing submitted
323: } else {
324: if ($ignored==0) {
325: $ad='INCORRECT';
326: } else {
327: $ad='MISSING_ANSWER';
328: }
329: }
330: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
331: $responsestr;
332: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
333: $gradestr;
334: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
335: &Apache::response::handle_previous(\%previous,$ad);
336: }
337:
1.4 albertel 338: sub itemdisplay {
339: my ($location)=@_;
340: if ($location eq 'top' &&
341: !defined($Apache::matchresponse::itemtable{'location'})) {
342: return $Apache::matchresponse::itemtable{'display'};
343: }
344: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
345: return $Apache::matchresponse::itemtable{'display'};
346: }
347: return undef;
348: }
1.1 albertel 349: sub displayfoils {
350: my ($target,$max,$randomize)=@_;
351: my $result;
1.4 albertel 352: my $question;
1.3 albertel 353: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
354: &Apache::response::showallfoils(),
355: \%Apache::response::foilgroup);
1.1 albertel 356: my $part=$Apache::inputtags::part;
357: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
358: my $status=$Apache::inputtags::status[-1];
359: my %letter_name_map;
360: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
361: %letter_name_map=
362: %{ $Apache::response::itemgroup{'letter_name_map'} };
363: }
364: my %name_letter_map;
365: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
366: %name_letter_map=
367: %{ $Apache::response::itemgroup{'name_letter_map'} };
368: }
369: if (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) {
370: foreach my $name (@whichfoils) {
371: my $text=$Apache::response::foilgroup{$name.'.text'};
372: my $value=$Apache::response::foilgroup{$name.'.value'};
373: my $letter=$name_letter_map{$value};
1.5 sakharuk 374: if ($target eq 'tex') {
375: $question.=' \\\\ '.$letter.':'.$text;
376: } else {
377: $question.='<br />'.$letter.':'.$text;
378: }
1.1 albertel 379: }
380: } else {
381: my $i = 0;
382: my $temp=0;
383: my $id=$Apache::inputtags::response[-1];
384: my $part=$Apache::inputtags::part;
385: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9 sakharuk 386: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
387: my @alphabet=('A'..'Z');
1.15 albertel 388: my @used_letters=sort(keys(%letter_name_map));
1.1 albertel 389: foreach my $name (@whichfoils) {
390: my $lastopt=$lastresponse{$name};
391: my $last_letter=$name_letter_map{$lastopt};
1.5 sakharuk 392: my $optionlist = '';
1.7 sakharuk 393: if ($target ne 'tex') {
394: $optionlist="<option></option>\n";
395: } else {
396: if ($Apache::lonhomework::type ne 'exam') {
397: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
398: }
399: }
1.1 albertel 400: my $option;
1.15 albertel 401: foreach $option (@used_letters) {
1.1 albertel 402: if ($option eq $last_letter) {
1.6 sakharuk 403: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1 albertel 404: } else {
1.6 sakharuk 405: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1 albertel 406: }
407: }
1.5 sakharuk 408: if ($target ne 'tex') {
409: $optionlist='<select name="HWVAL_'.
410: $Apache::inputtags::response[-1].':'.$temp.'">'.
411: $optionlist."</select>\n";
412: }
1.1 albertel 413: my $text=$Apache::response::foilgroup{$name.'.text'};
1.5 sakharuk 414: if ($target ne 'tex') {
415: $question.='<br />'.$optionlist.$text."\n";
1.6 sakharuk 416: if ($Apache::lonhomework::type eq 'exam') {
1.15 albertel 417: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@used_letters);
1.6 sakharuk 418: }
419: } else {
420: if ($Apache::lonhomework::type eq 'exam') {
421: $question.=' '.$optionlist.$text."\n";
1.13 sakharuk 422: my @emptyItems = ();
1.16 albertel 423: for (my $i=0;$i<=$#used_letters;$i++) {push @emptyItems, ' ';}
424: $question.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@used_letters,\@emptyItems).'}\end{enumerate}} \vskip -10 mm \strut ';
1.6 sakharuk 425: } else {
426: $question.=' \\\\ '.$optionlist.$text."\n";
427: }
1.5 sakharuk 428: }
1.1 albertel 429: $temp++;
430: }
1.4 albertel 431: }
432: if ($result=&itemdisplay('top')) {
433: $result.=$question;
434: } elsif ($result=&itemdisplay('bottom')) {
435: $result=$question.$result;
436: } elsif ($result=&itemdisplay('right')) {
437: $result='<table><tr><td>'.$question.'</td><td>'.$result.
438: '</td></tr></table>';
439: } elsif ($result=&itemdisplay('left')) {
440: $result='<table><tr><td>'.$result.'</td><td>'.$question.
441: '</td></tr></table>';
1.1 albertel 442: }
1.5 sakharuk 443: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 444: return $result;
445: }
446:
447: sub getfoilcounts {
448: my ($max)=@_;
449: # +1 since instructors will count from 1
450: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
451: if (&Apache::response::showallfoils()) { $max=$count; }
452: if ($count>$max) { $count=$max }
453: &Apache::lonxml::debug("Count is $count from $max");
454: return $count;
455: }
456:
1.3 albertel 457: sub whichorder {
458: my ($max,$randomize,$showall,$hash)=@_;
459: #&Apache::lonxml::debug("man $max randomize $randomize");
460: if (!defined(@{ $$hash{'names'} })) { return; }
461: my @names = @{ $$hash{'names'} };
1.1 albertel 462: my @whichopt =();
463: my (%top,@toplist,%bottom,@bottomlist);
1.3 albertel 464: if (!($showall || ($randomize eq 'no'))) {
1.1 albertel 465: my $current=0;
466: foreach my $name (@names) {
467: $current++;
1.3 albertel 468: if ($$hash{"$name.location"} eq 'top') {
1.1 albertel 469: $top{$name}=$current;
1.3 albertel 470: } elsif ($$hash{"$name.location"} eq 'bottom') {
1.1 albertel 471: $bottom{$name}=$current;
472: }
473: }
474: }
475: while ((($#whichopt+1) < $max) && ($#names > -1)) {
1.3 albertel 476: #&Apache::lonxml::debug("Have $#whichopt max is $max");
1.1 albertel 477: my $aopt;
1.3 albertel 478: if ($showall || ($randomize eq 'no')) {
1.1 albertel 479: $aopt=0;
480: } else {
481: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
482: }
1.3 albertel 483: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
1.1 albertel 484: $aopt=splice(@names,$aopt,1);
1.3 albertel 485: #&Apache::lonxml::debug("Picked $aopt");
1.1 albertel 486: if ($top{$aopt}) {
487: $toplist[$top{$aopt}]=$aopt;
488: } elsif ($bottom{$aopt}) {
489: $bottomlist[$bottom{$aopt}]=$aopt;
490: } else {
491: push (@whichopt,$aopt);
492: }
493: }
494: for (my $i=0;$i<=$#toplist;$i++) {
495: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
496: }
497: for (my $i=0;$i<=$#bottomlist;$i++) {
498: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
499: }
500:
501: return @whichopt;
502: }
503:
504: sub start_conceptgroup {
505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
506: $Apache::matchresponse::conceptgroup=1;
507: %Apache::response::conceptgroup=();
508: my $result;
509: if ($target eq 'edit') {
510: $result.=&Apache::edit::tag_start($target,$token,
511: "Concept Grouped Foils");
512: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
513: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
514: }
515: if ($target eq 'modified') {
516: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
517: $safeeval,'concept');
518: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
519: }
520: return $result;
521: }
522:
523: sub end_conceptgroup {
524: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
525: $Apache::matchresponse::conceptgroup=0;
526: my $result='';
527: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
528: #if not there aren't any foils to display and thus no question
529: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
530: my @names = @{ $Apache::response::conceptgroup{'names'} };
531: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
532: my $name=$names[$pick];
533: push @{ $Apache::response::foilgroup{'names'} }, $name;
534: $Apache::response::foilgroup{"$name.value"} =
535: $Apache::response::conceptgroup{"$name.value"};
536: $Apache::response::foilgroup{"$name.text"} =
537: $Apache::response::conceptgroup{"$name.text"};
538: $Apache::response::foilgroup{"$name.location"} =
539: $Apache::response::conceptgroup{"$name.location"};
540: my $concept = &Apache::lonxml::get_param('concept',$parstack,
541: $safeeval);
542: $Apache::response::foilgroup{"$name.concept"} = $concept;
543: &Apache::lonxml::debug("Selecting $name in $concept");
544: if ($target eq 'web') {
545: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
546: push(@{ $Apache::hint::match{"$part_id.concepts"} },
547: $concept);
548: $Apache::hint::match{"$part_id.concept.$concept"}=
549: $Apache::response::conceptgroup{'names'};
550: }
551: }
552: } elsif ($target eq 'edit') {
553: $result=&Apache::edit::end_table();
554: }
555: return $result;
556: }
557:
558: sub insert_conceptgroup {
559: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
560: return $result;
561: }
562:
563: sub start_foil {
564: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
565: my $result='';
1.5 sakharuk 566: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 567: &Apache::lonxml::startredirection;
568: } elsif ($target eq 'edit') {
569: $result=&Apache::edit::tag_start($target,$token,"Foil");
570: my $level='-2';
571: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
572: $result.=&Apache::edit::text_arg('Name:','name',$token);
573: my @names;
574: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
575: @names=@{ $Apache::response::itemgroup{'names'} };
576: }
577: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
578: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
579: $safeeval,'-3');
580: if ($randomize ne 'no') {
581: $result.=&Apache::edit::select_arg('Location:','location',
582: ['random','top','bottom'],$token);
583: }
584: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
585: } elsif ($target eq 'modified') {
586: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
587: $safeeval,'value',
588: 'name','location');
589: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
590: }
591: return $result;
592: }
593:
594: sub end_foil {
595: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
596: my $text ='';
597: my $result = '';
1.5 sakharuk 598: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 599: $text=&Apache::lonxml::endredirection;
600: }
1.5 sakharuk 601: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 602: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
603: if ($value ne 'unused') {
604: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
605: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
606: &Apache::lonxml::debug("Got a name of :$name:");
607: if (!$name) { $name=$Apache::lonxml::curdepth; }
608: &Apache::lonxml::debug("Using a name of :$name:");
609: if ( $Apache::matchresponse::conceptgroup
610: && !&Apache::response::showallfoils() ) {
611: push @{ $Apache::response::conceptgroup{'names'} }, $name;
612: $Apache::response::conceptgroup{"$name.value"} = $value;
1.14 sakharuk 613: if ($target eq 'tex') {
614: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
615: } else {
616: $Apache::response::conceptgroup{"$name.text"} = $text;
617: }
1.1 albertel 618: $Apache::response::conceptgroup{"$name.location"} = $location;
619: } else {
620: push @{ $Apache::response::foilgroup{'names'} }, $name;
621: $Apache::response::foilgroup{"$name.value"} = $value;
1.16 albertel 622: if ($Apache::lonhomework::type eq 'exam') {
1.14 sakharuk 623: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
624: } else {
625: if ($target eq 'tex') {
626: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
627: } else {
628: $Apache::response::foilgroup{"$name.text"} = $text;
629: }
630: }
1.1 albertel 631: $Apache::response::foilgroup{"$name.location"} = $location;
632: }
633: }
634: }
635: if ($target eq 'edit') {
636: $result.= &Apache::edit::tag_end($target,$token,'');
637: }
638: return $result;
639: }
640:
641: sub insert_foil {
642: return '
643: <foil name="" value="unused">
644: <startouttext />
645: <endouttext />
646: </foil>';
647: }
648: 1;
649: __END__
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