Annotation of loncom/homework/matchresponse.pm, revision 1.15
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.15 ! albertel 4: # $Id: matchresponse.pm,v 1.14 2003/03/26 18:43:15 sakharuk 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:
1.14 sakharuk 36: my $flag_for_exam_printing = 1;
1.13 sakharuk 37:
1.1 albertel 38: BEGIN {
39: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
40: }
41:
42: sub start_matchresponse {
43: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
44: my $result;
45: #when in a matchresponse use these
46: &Apache::lonxml::register('Apache::matchresponse',
47: ('foilgroup','foil','conceptgroup','item',
48: 'itemgroup'));
49: push (@Apache::lonxml::namespace,'matchresponse');
50: my $id = &Apache::response::start_response($parstack,$safeeval);
51: %Apache::hint::match=();
52: if ($target eq 'meta') {
53: $result=&Apache::response::meta_package_write('matchresponse');
54: } elsif ($target eq 'edit' ) {
55: $result.=&Apache::edit::start_table($token).
56: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
57: &Apache::edit::deletelist($target,$token)
58: ."</td><td> ".&Apache::edit::end_row()
59: .&Apache::edit::start_spanning_row();
60:
61: $result.=
62: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
63: &Apache::edit::select_arg('Randomize Foil Order','randomize',
64: ['yes','no'],$token).
65: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
66: } elsif ($target eq 'modified') {
67: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
68: $safeeval,'max',
69: 'randomize');
70: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
71: }
72: return $result;
73: }
74:
75: sub end_matchresponse {
76: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
77: my $result;
78: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
79: &Apache::response::end_response;
80: pop @Apache::lonxml::namespace;
81: &Apache::lonxml::deregister('Apache::matchresponse',
82: ('foilgroup','foil','conceptgroup'));
83: return $result;
84: }
85:
86: %Apache::response::itemgroup=();
87: sub start_itemgroup {
88: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
89: my $result;
90: %Apache::response::itemgroup=();
1.4 albertel 91: %Apache::matchresponse::itemtable=();
1.15 ! albertel 92:
1.1 albertel 93: if ($target eq 'edit') {
94: $result=&Apache::edit::tag_start($target,$token);
95: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
96: ['yes','no'],$token);
1.4 albertel 97: $result.=&Apache::edit::select_arg('Items Display Location:',
98: 'location',
99: ['top','bottom','left','right'],
100: $token);
1.1 albertel 101: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4 albertel 102: } elsif ($target eq 'modified') {
103: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
104: $safeeval,'randomize',
105: 'location');
106: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
107: } elsif ($target eq 'web') {
108: $Apache::matchresponse::itemtable{'location'}=
109: &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.1 albertel 110: }
111: return $result;
112: }
113:
114: sub end_itemgroup {
115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
116: my $result;
117:
118: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
119: my @names=@{ $Apache::response::itemgroup{'names'} };
120: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2 albertel 121: if ($randomize ne 'no' ) {
1.3 albertel 122: @names=&whichorder($#names+1,$randomize,0,
123: \%Apache::response::itemgroup)
1.1 albertel 124: }
125: my %letter_name_map;
126: my %name_letter_map;
127: my @alphabet=('A'..'Z');
128: my $i=0;
129: foreach my $name (@names) {
130: $letter_name_map{$alphabet[$i]}=$name;
131: $name_letter_map{$name}=$alphabet[$i];
132: $i++;
133: }
1.15 ! albertel 134: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
1.1 albertel 135: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
136: if ($target eq 'web') {
1.4 albertel 137: my $table='<table>';
1.1 albertel 138: my $i=0;
139: foreach my $name (@names) {
1.4 albertel 140: $table.='<tr><td>'.$alphabet[$i].'</td><td>'.
1.1 albertel 141: $Apache::response::itemgroup{$name.'.text'}.
142: '</td></tr>';
143: $i++;
144: }
1.4 albertel 145: $table.='</table>';
146: $Apache::matchresponse::itemtable{'display'}=$table;
1.5 sakharuk 147: } elsif ($target eq 'tex') {
148: my $table=' \\\\\\\\ \begin{tabular}{ll} ';
149: my $i=0;
150: foreach my $name (@names) {
1.11 sakharuk 151: $Apache::response::itemgroup{$name.'.text'}=~s/\$\$/\$/g;
1.5 sakharuk 152: $table.=' '.$alphabet[$i].' & '.
153: $Apache::response::itemgroup{$name.'.text'}.
154: ' \\\\ ';
155: $i++;
156: }
157: $table.=' \end{tabular} \\\\ ';
158: $Apache::matchresponse::itemtable{'display'}=$table;
1.1 albertel 159: } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); }
160: return $result;
161: }
162:
163: sub start_item {
164: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
165: my $result='';
1.5 sakharuk 166: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 167: &Apache::lonxml::startredirection;
168: } elsif ($target eq 'edit') {
1.3 albertel 169: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
170: $safeeval,'-2');
1.1 albertel 171: $result=&Apache::edit::tag_start($target,$token,"Item");
172: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.3 albertel 173: if ($randomize ne 'no') {
174: $result.=&Apache::edit::select_arg('Location:','location',
175: ['random','top','bottom'],
176: $token);
177: }
178: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1 albertel 179: } elsif ($target eq 'modified') {
180: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3 albertel 181: $safeeval,'name',
182: 'location');
1.1 albertel 183: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
184: }
185: return $result;
186: }
187:
188: sub end_item {
189: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
190: my $text ='';
191: my $result = '';
1.5 sakharuk 192: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 193: $text=&Apache::lonxml::endredirection;
194: }
195: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.5 sakharuk 196: $target eq 'edit' || $target eq 'tex') {
1.1 albertel 197: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 198: my $location=&Apache::lonxml::get_param('location',$parstack,
199: $safeeval);
1.1 albertel 200: &Apache::lonxml::debug("Got a name of :$name:");
201: if (!$name) { $name=$Apache::lonxml::curdepth; }
202: &Apache::lonxml::debug("Using a name of :$name:");
203: push @{ $Apache::response::itemgroup{'names'} }, $name;
204: $Apache::response::itemgroup{"$name.text"} = $text;
1.3 albertel 205: $Apache::response::itemgroup{"$name.location"} = $location;
1.1 albertel 206: }
207: if ($target eq 'edit') {
208: $result.= &Apache::edit::tag_end($target,$token,'');
209: }
210: return $result;
211: }
212:
213: sub insert_item {
214: return '
215: <item name="">
216: <startouttext />
217: <endouttext />
218: </item>';
219: }
220:
221: %Apache::response::foilgroup=();
222: sub start_foilgroup {
223: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
224: my $result;
225: %Apache::response::foilgroup=();
226: $Apache::matchresponse::conceptgroup=0;
227: &Apache::response::setrandomnumber();
228: if ($target eq 'edit') {
229: $result.=&Apache::edit::start_table($token)
230: ."<tr><td>Collection Of Foils</td><td>Delete:"
231: .&Apache::edit::deletelist($target,$token)
232: ."</td><td> ".&Apache::edit::end_row()
233: .&Apache::edit::start_spanning_row()."\n";
234: }
235: return $result;
236: }
237:
238: sub end_foilgroup {
239: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
240: my $result;
1.5 sakharuk 241: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 242: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
243: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
244: $safeeval,'-2');
1.5 sakharuk 245: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 246: $result=&displayfoils($target,$max,$randomize);
247: } elsif ($target eq 'answer' ) {
248: $result=&displayanswers($max,$randomize);
249: } elsif ( $target eq 'grade') {
250: &grade_response($max,$randomize);
251: }
252: } elsif ($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 = @{ $Apache::response::foilgroup{'names'} };
1.3 albertel 262: my @whichfoils = &whichorder(&getfoilcounts($max),$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,$randomize)=@_;
1.3 albertel 283: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
284: &Apache::response::showallfoils(),
285: \%Apache::response::foilgroup);
1.1 albertel 286: if (!defined($ENV{'form.submitted'})) { return; }
287: my %responsehash;
288: my %grade;
289: my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
290: my %letter_name_map;
291: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
292: %letter_name_map=
293: %{ $Apache::response::itemgroup{'letter_name_map'} };
294: }
295: foreach my $name (@whichfoils) {
296: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
297: my $responsename = $letter_name_map{$response};
298: $responsehash{$name}=$responsename;
299: my $value=$Apache::response::foilgroup{$name.'.value'};
300: if ( $response =~ /[^\s]/) {
301: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
302: if ($value eq $responsename) {
303: $grade{$name}='1'; $right++;
304: } else {
305: $grade{$name}='0'; $wrong++;
306: }
307: } else {
308: $ignored++;
309: }
310: $temp++;
311: }
312: my $part=$Apache::inputtags::part;
313: my $id = $Apache::inputtags::response['-1'];
314: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
315: my $gradestr =&Apache::lonnet::hash2str(%grade);
316: my %previous =&Apache::response::check_for_previous($responsestr,
317: $part,$id);
318: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
319: my $ad;
320: if ($wrong==0 && $ignored==0) {
321: $ad='EXACT_ANS';
322: } elsif ($wrong==0 && $right==0) {
323: #nothing submitted
324: } else {
325: if ($ignored==0) {
326: $ad='INCORRECT';
327: } else {
328: $ad='MISSING_ANSWER';
329: }
330: }
331: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
332: $responsestr;
333: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
334: $gradestr;
335: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
336: &Apache::response::handle_previous(\%previous,$ad);
337: }
338:
1.4 albertel 339: sub itemdisplay {
340: my ($location)=@_;
341: if ($location eq 'top' &&
342: !defined($Apache::matchresponse::itemtable{'location'})) {
343: return $Apache::matchresponse::itemtable{'display'};
344: }
345: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
346: return $Apache::matchresponse::itemtable{'display'};
347: }
348: return undef;
349: }
1.1 albertel 350: sub displayfoils {
351: my ($target,$max,$randomize)=@_;
352: my $result;
1.4 albertel 353: my $question;
1.3 albertel 354: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
355: &Apache::response::showallfoils(),
356: \%Apache::response::foilgroup);
1.1 albertel 357: my $part=$Apache::inputtags::part;
358: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
359: my $status=$Apache::inputtags::status[-1];
360: my %letter_name_map;
361: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
362: %letter_name_map=
363: %{ $Apache::response::itemgroup{'letter_name_map'} };
364: }
365: my %name_letter_map;
366: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
367: %name_letter_map=
368: %{ $Apache::response::itemgroup{'name_letter_map'} };
369: }
370: if (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) {
371: foreach my $name (@whichfoils) {
372: my $text=$Apache::response::foilgroup{$name.'.text'};
373: my $value=$Apache::response::foilgroup{$name.'.value'};
374: my $letter=$name_letter_map{$value};
1.5 sakharuk 375: if ($target eq 'tex') {
376: $question.=' \\\\ '.$letter.':'.$text;
377: } else {
378: $question.='<br />'.$letter.':'.$text;
379: }
1.1 albertel 380: }
381: } else {
382: my $i = 0;
383: my $temp=0;
384: my $id=$Apache::inputtags::response[-1];
385: my $part=$Apache::inputtags::part;
386: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.9 sakharuk 387: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
388: my @alphabet=('A'..'Z');
1.15 ! albertel 389: my @used_letters=sort(keys(%letter_name_map));
1.1 albertel 390: foreach my $name (@whichfoils) {
391: my $lastopt=$lastresponse{$name};
392: my $last_letter=$name_letter_map{$lastopt};
1.5 sakharuk 393: my $optionlist = '';
1.7 sakharuk 394: if ($target ne 'tex') {
395: $optionlist="<option></option>\n";
396: } else {
397: if ($Apache::lonhomework::type ne 'exam') {
398: $optionlist='\framebox[5 mm][s]{\tiny\strut}';
399: }
400: }
1.1 albertel 401: my $option;
1.15 ! albertel 402: foreach $option (@used_letters) {
1.1 albertel 403: if ($option eq $last_letter) {
1.6 sakharuk 404: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1 albertel 405: } else {
1.6 sakharuk 406: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1 albertel 407: }
408: }
1.5 sakharuk 409: if ($target ne 'tex') {
410: $optionlist='<select name="HWVAL_'.
411: $Apache::inputtags::response[-1].':'.$temp.'">'.
412: $optionlist."</select>\n";
413: }
1.1 albertel 414: my $text=$Apache::response::foilgroup{$name.'.text'};
1.5 sakharuk 415: if ($target ne 'tex') {
416: $question.='<br />'.$optionlist.$text."\n";
1.6 sakharuk 417: if ($Apache::lonhomework::type eq 'exam') {
1.15 ! albertel 418: $question.=&Apache::optionresponse::webbubbles(\@used_letters,\@used_letters);
1.6 sakharuk 419: }
420: } else {
421: if ($Apache::lonhomework::type eq 'exam') {
422: $question.=' '.$optionlist.$text."\n";
1.13 sakharuk 423: my @emptyItems = ();
424: for (my $i=0;$i<=$#Items;$i++) {push @emptyItems, ' ';}
1.15 ! albertel 425: $question.='\vskip -2 mm\parbox{\textwidth}{\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@used_letters,\@empthItems).'}\end{enumerate}} \vskip -10 mm \strut ';
1.6 sakharuk 426: } else {
427: $question.=' \\\\ '.$optionlist.$text."\n";
428: }
1.5 sakharuk 429: }
1.1 albertel 430: $temp++;
431: }
1.4 albertel 432: }
433: if ($result=&itemdisplay('top')) {
434: $result.=$question;
435: } elsif ($result=&itemdisplay('bottom')) {
436: $result=$question.$result;
437: } elsif ($result=&itemdisplay('right')) {
438: $result='<table><tr><td>'.$question.'</td><td>'.$result.
439: '</td></tr></table>';
440: } elsif ($result=&itemdisplay('left')) {
441: $result='<table><tr><td>'.$result.'</td><td>'.$question.
442: '</td></tr></table>';
1.1 albertel 443: }
1.5 sakharuk 444: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 445: return $result;
446: }
447:
448: sub getfoilcounts {
449: my ($max)=@_;
450: # +1 since instructors will count from 1
451: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
452: if (&Apache::response::showallfoils()) { $max=$count; }
453: if ($count>$max) { $count=$max }
454: &Apache::lonxml::debug("Count is $count from $max");
455: return $count;
456: }
457:
1.3 albertel 458: sub whichorder {
459: my ($max,$randomize,$showall,$hash)=@_;
460: #&Apache::lonxml::debug("man $max randomize $randomize");
461: if (!defined(@{ $$hash{'names'} })) { return; }
462: my @names = @{ $$hash{'names'} };
1.1 albertel 463: my @whichopt =();
464: my (%top,@toplist,%bottom,@bottomlist);
1.3 albertel 465: if (!($showall || ($randomize eq 'no'))) {
1.1 albertel 466: my $current=0;
467: foreach my $name (@names) {
468: $current++;
1.3 albertel 469: if ($$hash{"$name.location"} eq 'top') {
1.1 albertel 470: $top{$name}=$current;
1.3 albertel 471: } elsif ($$hash{"$name.location"} eq 'bottom') {
1.1 albertel 472: $bottom{$name}=$current;
473: }
474: }
475: }
476: while ((($#whichopt+1) < $max) && ($#names > -1)) {
1.3 albertel 477: #&Apache::lonxml::debug("Have $#whichopt max is $max");
1.1 albertel 478: my $aopt;
1.3 albertel 479: if ($showall || ($randomize eq 'no')) {
1.1 albertel 480: $aopt=0;
481: } else {
482: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
483: }
1.3 albertel 484: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
1.1 albertel 485: $aopt=splice(@names,$aopt,1);
1.3 albertel 486: #&Apache::lonxml::debug("Picked $aopt");
1.1 albertel 487: if ($top{$aopt}) {
488: $toplist[$top{$aopt}]=$aopt;
489: } elsif ($bottom{$aopt}) {
490: $bottomlist[$bottom{$aopt}]=$aopt;
491: } else {
492: push (@whichopt,$aopt);
493: }
494: }
495: for (my $i=0;$i<=$#toplist;$i++) {
496: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
497: }
498: for (my $i=0;$i<=$#bottomlist;$i++) {
499: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
500: }
501:
502: return @whichopt;
503: }
504:
505: sub start_conceptgroup {
506: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
507: $Apache::matchresponse::conceptgroup=1;
508: %Apache::response::conceptgroup=();
509: my $result;
510: if ($target eq 'edit') {
511: $result.=&Apache::edit::tag_start($target,$token,
512: "Concept Grouped Foils");
513: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
514: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
515: }
516: if ($target eq 'modified') {
517: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
518: $safeeval,'concept');
519: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
520: }
521: return $result;
522: }
523:
524: sub end_conceptgroup {
525: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
526: $Apache::matchresponse::conceptgroup=0;
527: my $result='';
528: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
529: #if not there aren't any foils to display and thus no question
530: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
531: my @names = @{ $Apache::response::conceptgroup{'names'} };
532: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
533: my $name=$names[$pick];
534: push @{ $Apache::response::foilgroup{'names'} }, $name;
535: $Apache::response::foilgroup{"$name.value"} =
536: $Apache::response::conceptgroup{"$name.value"};
537: $Apache::response::foilgroup{"$name.text"} =
538: $Apache::response::conceptgroup{"$name.text"};
539: $Apache::response::foilgroup{"$name.location"} =
540: $Apache::response::conceptgroup{"$name.location"};
541: my $concept = &Apache::lonxml::get_param('concept',$parstack,
542: $safeeval);
543: $Apache::response::foilgroup{"$name.concept"} = $concept;
544: &Apache::lonxml::debug("Selecting $name in $concept");
545: if ($target eq 'web') {
546: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
547: push(@{ $Apache::hint::match{"$part_id.concepts"} },
548: $concept);
549: $Apache::hint::match{"$part_id.concept.$concept"}=
550: $Apache::response::conceptgroup{'names'};
551: }
552: }
553: } elsif ($target eq 'edit') {
554: $result=&Apache::edit::end_table();
555: }
556: return $result;
557: }
558:
559: sub insert_conceptgroup {
560: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
561: return $result;
562: }
563:
564: sub start_foil {
565: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
566: my $result='';
1.5 sakharuk 567: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 568: &Apache::lonxml::startredirection;
569: } elsif ($target eq 'edit') {
570: $result=&Apache::edit::tag_start($target,$token,"Foil");
571: my $level='-2';
572: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
573: $result.=&Apache::edit::text_arg('Name:','name',$token);
574: my @names;
575: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
576: @names=@{ $Apache::response::itemgroup{'names'} };
577: }
578: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
579: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
580: $safeeval,'-3');
581: if ($randomize ne 'no') {
582: $result.=&Apache::edit::select_arg('Location:','location',
583: ['random','top','bottom'],$token);
584: }
585: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
586: } elsif ($target eq 'modified') {
587: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
588: $safeeval,'value',
589: 'name','location');
590: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
591: }
592: return $result;
593: }
594:
595: sub end_foil {
596: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
597: my $text ='';
598: my $result = '';
1.5 sakharuk 599: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 600: $text=&Apache::lonxml::endredirection;
601: }
1.5 sakharuk 602: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 603: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
604: if ($value ne 'unused') {
605: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
606: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
607: &Apache::lonxml::debug("Got a name of :$name:");
608: if (!$name) { $name=$Apache::lonxml::curdepth; }
609: &Apache::lonxml::debug("Using a name of :$name:");
610: if ( $Apache::matchresponse::conceptgroup
611: && !&Apache::response::showallfoils() ) {
612: push @{ $Apache::response::conceptgroup{'names'} }, $name;
613: $Apache::response::conceptgroup{"$name.value"} = $value;
1.14 sakharuk 614: if ($target eq 'tex') {
615: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
616: } else {
617: $Apache::response::conceptgroup{"$name.text"} = $text;
618: }
1.1 albertel 619: $Apache::response::conceptgroup{"$name.location"} = $location;
620: } else {
621: push @{ $Apache::response::foilgroup{'names'} }, $name;
622: $Apache::response::foilgroup{"$name.value"} = $value;
1.14 sakharuk 623: if ($Apache::lonhomework::type eq 'exam' and $flag_for_exam_printing) {
624: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
625: } else {
626: if ($target eq 'tex') {
627: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
628: } else {
629: $Apache::response::foilgroup{"$name.text"} = $text;
630: }
631: }
1.1 albertel 632: $Apache::response::foilgroup{"$name.location"} = $location;
633: }
634: }
635: }
636: if ($target eq 'edit') {
637: $result.= &Apache::edit::tag_end($target,$token,'');
638: }
639: return $result;
640: }
641:
642: sub insert_foil {
643: return '
644: <foil name="" value="unused">
645: <startouttext />
646: <endouttext />
647: </foil>';
648: }
649: 1;
650: __END__
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