Annotation of loncom/homework/matchresponse.pm, revision 1.5
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # Full matching style response
3: #
1.5 ! sakharuk 4: # $Id: matchresponse.pm,v 1.4 2003/02/20 09:55:07 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();
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::matchresponse',('matchresponse'));
37: }
38:
39: sub start_matchresponse {
40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
41: my $result;
42: #when in a matchresponse use these
43: &Apache::lonxml::register('Apache::matchresponse',
44: ('foilgroup','foil','conceptgroup','item',
45: 'itemgroup'));
46: push (@Apache::lonxml::namespace,'matchresponse');
47: my $id = &Apache::response::start_response($parstack,$safeeval);
48: %Apache::hint::match=();
49: if ($target eq 'meta') {
50: $result=&Apache::response::meta_package_write('matchresponse');
51: } elsif ($target eq 'edit' ) {
52: $result.=&Apache::edit::start_table($token).
53: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
54: &Apache::edit::deletelist($target,$token)
55: ."</td><td> ".&Apache::edit::end_row()
56: .&Apache::edit::start_spanning_row();
57:
58: $result.=
59: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
60: &Apache::edit::select_arg('Randomize Foil Order','randomize',
61: ['yes','no'],$token).
62: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
63: } elsif ($target eq 'modified') {
64: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
65: $safeeval,'max',
66: 'randomize');
67: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
68: }
69: return $result;
70: }
71:
72: sub end_matchresponse {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
74: my $result;
75: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
76: &Apache::response::end_response;
77: pop @Apache::lonxml::namespace;
78: &Apache::lonxml::deregister('Apache::matchresponse',
79: ('foilgroup','foil','conceptgroup'));
80: return $result;
81: }
82:
83: %Apache::response::itemgroup=();
84: sub start_itemgroup {
85: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
86: my $result;
87: %Apache::response::itemgroup=();
1.4 albertel 88: %Apache::matchresponse::itemtable=();
1.1 albertel 89: if ($target eq 'edit') {
90: $result=&Apache::edit::tag_start($target,$token);
91: $result.=&Apache::edit::select_arg('Randomize Order:','randomize',
92: ['yes','no'],$token);
1.4 albertel 93: $result.=&Apache::edit::select_arg('Items Display Location:',
94: 'location',
95: ['top','bottom','left','right'],
96: $token);
1.1 albertel 97: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4 albertel 98: } elsif ($target eq 'modified') {
99: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
100: $safeeval,'randomize',
101: 'location');
102: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
103: } elsif ($target eq 'web') {
104: $Apache::matchresponse::itemtable{'location'}=
105: &Apache::lonxml::get_param('location',$parstack,$safeeval);
1.1 albertel 106: }
107: return $result;
108: }
109:
110: sub end_itemgroup {
111: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
112: my $result;
113:
114: if (!defined(@{ $Apache::response::itemgroup{'names'} })) { return; }
115: my @names=@{ $Apache::response::itemgroup{'names'} };
116: my $randomize =&Apache::lonxml::get_param('randomize',$parstack,$safeeval);
1.2 albertel 117: if ($randomize ne 'no' ) {
1.3 albertel 118: @names=&whichorder($#names+1,$randomize,0,
119: \%Apache::response::itemgroup)
1.1 albertel 120: }
121: my %letter_name_map;
122: my %name_letter_map;
123: my @alphabet=('A'..'Z');
124: my $i=0;
125: foreach my $name (@names) {
126: $letter_name_map{$alphabet[$i]}=$name;
127: $name_letter_map{$name}=$alphabet[$i];
128: $i++;
129: }
130: $Apache::response::itemgroup{'letter_name_map'}=\%letter_name_map;
131: $Apache::response::itemgroup{'name_letter_map'}=\%name_letter_map;
132: if ($target eq 'web') {
1.4 albertel 133: my $table='<table>';
1.1 albertel 134: my $i=0;
135: foreach my $name (@names) {
1.4 albertel 136: $table.='<tr><td>'.$alphabet[$i].'</td><td>'.
1.1 albertel 137: $Apache::response::itemgroup{$name.'.text'}.
138: '</td></tr>';
139: $i++;
140: }
1.4 albertel 141: $table.='</table>';
142: $Apache::matchresponse::itemtable{'display'}=$table;
1.5 ! sakharuk 143: } elsif ($target eq 'tex') {
! 144: my $table=' \\\\\\\\ \begin{tabular}{ll} ';
! 145: my $i=0;
! 146: foreach my $name (@names) {
! 147: $table.=' '.$alphabet[$i].' & '.
! 148: $Apache::response::itemgroup{$name.'.text'}.
! 149: ' \\\\ ';
! 150: $i++;
! 151: }
! 152: $table.=' \end{tabular} \\\\ ';
! 153: $Apache::matchresponse::itemtable{'display'}=$table;
1.1 albertel 154: } elsif ($target eq 'edit') { $result=&Apache::edit::end_table(); }
155: return $result;
156: }
157:
158: sub start_item {
159: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
160: my $result='';
1.5 ! sakharuk 161: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 162: &Apache::lonxml::startredirection;
163: } elsif ($target eq 'edit') {
1.3 albertel 164: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
165: $safeeval,'-2');
1.1 albertel 166: $result=&Apache::edit::tag_start($target,$token,"Item");
167: $result.=&Apache::edit::text_arg('Name:','name',$token);
1.3 albertel 168: if ($randomize ne 'no') {
169: $result.=&Apache::edit::select_arg('Location:','location',
170: ['random','top','bottom'],
171: $token);
172: }
173: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.1 albertel 174: } elsif ($target eq 'modified') {
175: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.3 albertel 176: $safeeval,'name',
177: 'location');
1.1 albertel 178: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
179: }
180: return $result;
181: }
182:
183: sub end_item {
184: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
185: my $text ='';
186: my $result = '';
1.5 ! sakharuk 187: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 188: $text=&Apache::lonxml::endredirection;
189: }
190: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
1.5 ! sakharuk 191: $target eq 'edit' || $target eq 'tex') {
1.1 albertel 192: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.3 albertel 193: my $location=&Apache::lonxml::get_param('location',$parstack,
194: $safeeval);
1.1 albertel 195: &Apache::lonxml::debug("Got a name of :$name:");
196: if (!$name) { $name=$Apache::lonxml::curdepth; }
197: &Apache::lonxml::debug("Using a name of :$name:");
198: push @{ $Apache::response::itemgroup{'names'} }, $name;
199: $Apache::response::itemgroup{"$name.text"} = $text;
1.3 albertel 200: $Apache::response::itemgroup{"$name.location"} = $location;
1.1 albertel 201: }
202: if ($target eq 'edit') {
203: $result.= &Apache::edit::tag_end($target,$token,'');
204: }
205: return $result;
206: }
207:
208: sub insert_item {
209: return '
210: <item name="">
211: <startouttext />
212: <endouttext />
213: </item>';
214: }
215:
216: %Apache::response::foilgroup=();
217: sub start_foilgroup {
218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
219: my $result;
220: %Apache::response::foilgroup=();
221: $Apache::matchresponse::conceptgroup=0;
222: &Apache::response::setrandomnumber();
223: if ($target eq 'edit') {
224: $result.=&Apache::edit::start_table($token)
225: ."<tr><td>Collection Of Foils</td><td>Delete:"
226: .&Apache::edit::deletelist($target,$token)
227: ."</td><td> ".&Apache::edit::end_row()
228: .&Apache::edit::start_spanning_row()."\n";
229: }
230: return $result;
231: }
232:
233: sub end_foilgroup {
234: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
235: my $result;
1.5 ! sakharuk 236: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 237: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
238: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
239: $safeeval,'-2');
1.5 ! sakharuk 240: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 241: $result=&displayfoils($target,$max,$randomize);
242: } elsif ($target eq 'answer' ) {
243: $result=&displayanswers($max,$randomize);
244: } elsif ( $target eq 'grade') {
245: &grade_response($max,$randomize);
246: }
247: } elsif ($target eq 'edit') {
248: $result=&Apache::edit::end_table();
249: }
250: return $result;
251: }
252:
253: sub displayanswers {
254: my ($max,$randomize,@opt)=@_;
255: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
256: my @names = @{ $Apache::response::foilgroup{'names'} };
1.3 albertel 257: my @whichfoils = &whichorder(&getfoilcounts($max),$randomize,
258: &Apache::response::showallfoils(),
259: \%Apache::response::foilgroup);
1.1 albertel 260: my $result=&Apache::response::answer_header('matchresponse');
261: my %name_letter_map;
262: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
263: %name_letter_map=
264: %{ $Apache::response::itemgroup{'name_letter_map'} };
265: }
266: foreach my $name (@whichfoils) {
267: my $value_name=$Apache::response::foilgroup{$name.'.value'};
268: my $letter=$name_letter_map{$value_name};
269: $result.=&Apache::response::answer_part('matchresponse',$letter);
270: }
271: $result.=&Apache::response::answer_footer('matchresponse');
272: return $result;
273: }
274:
275:
276: sub grade_response {
277: my ($max,$randomize)=@_;
1.3 albertel 278: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
279: &Apache::response::showallfoils(),
280: \%Apache::response::foilgroup);
1.1 albertel 281: if (!defined($ENV{'form.submitted'})) { return; }
282: my %responsehash;
283: my %grade;
284: my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
285: my %letter_name_map;
286: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
287: %letter_name_map=
288: %{ $Apache::response::itemgroup{'letter_name_map'} };
289: }
290: foreach my $name (@whichfoils) {
291: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
292: my $responsename = $letter_name_map{$response};
293: $responsehash{$name}=$responsename;
294: my $value=$Apache::response::foilgroup{$name.'.value'};
295: if ( $response =~ /[^\s]/) {
296: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
297: if ($value eq $responsename) {
298: $grade{$name}='1'; $right++;
299: } else {
300: $grade{$name}='0'; $wrong++;
301: }
302: } else {
303: $ignored++;
304: }
305: $temp++;
306: }
307: my $part=$Apache::inputtags::part;
308: my $id = $Apache::inputtags::response['-1'];
309: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
310: my $gradestr =&Apache::lonnet::hash2str(%grade);
311: my %previous =&Apache::response::check_for_previous($responsestr,
312: $part,$id);
313: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored ");
314: my $ad;
315: if ($wrong==0 && $ignored==0) {
316: $ad='EXACT_ANS';
317: } elsif ($wrong==0 && $right==0) {
318: #nothing submitted
319: } else {
320: if ($ignored==0) {
321: $ad='INCORRECT';
322: } else {
323: $ad='MISSING_ANSWER';
324: }
325: }
326: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
327: $responsestr;
328: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=
329: $gradestr;
330: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
331: &Apache::response::handle_previous(\%previous,$ad);
332: }
333:
1.4 albertel 334: sub itemdisplay {
335: my ($location)=@_;
336: if ($location eq 'top' &&
337: !defined($Apache::matchresponse::itemtable{'location'})) {
338: return $Apache::matchresponse::itemtable{'display'};
339: }
340: if ($Apache::matchresponse::itemtable{'location'} eq $location) {
341: return $Apache::matchresponse::itemtable{'display'};
342: }
343: return undef;
344: }
1.1 albertel 345: sub displayfoils {
346: my ($target,$max,$randomize)=@_;
347: my $result;
1.4 albertel 348: my $question;
1.3 albertel 349: my (@whichfoils)=&whichorder(&getfoilcounts($max),$randomize,
350: &Apache::response::showallfoils(),
351: \%Apache::response::foilgroup);
1.1 albertel 352: my $part=$Apache::inputtags::part;
353: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
354: my $status=$Apache::inputtags::status[-1];
355: my %letter_name_map;
356: if (defined(%{ $Apache::response::itemgroup{'letter_name_map'} })) {
357: %letter_name_map=
358: %{ $Apache::response::itemgroup{'letter_name_map'} };
359: }
360: my %name_letter_map;
361: if (defined(%{ $Apache::response::itemgroup{'name_letter_map'} })) {
362: %name_letter_map=
363: %{ $Apache::response::itemgroup{'name_letter_map'} };
364: }
365: if (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) {
366: foreach my $name (@whichfoils) {
367: my $text=$Apache::response::foilgroup{$name.'.text'};
368: my $value=$Apache::response::foilgroup{$name.'.value'};
369: my $letter=$name_letter_map{$value};
1.5 ! sakharuk 370: if ($target eq 'tex') {
! 371: $question.=' \\\\ '.$letter.':'.$text;
! 372: } else {
! 373: $question.='<br />'.$letter.':'.$text;
! 374: }
1.1 albertel 375: }
376: } else {
377: my $i = 0;
378: my $temp=0;
379: my $id=$Apache::inputtags::response[-1];
380: my $part=$Apache::inputtags::part;
381: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
382: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.5 ! sakharuk 383: my $localcount = 1;
1.1 albertel 384: foreach my $name (@whichfoils) {
385: my $lastopt=$lastresponse{$name};
386: my $last_letter=$name_letter_map{$lastopt};
1.5 ! sakharuk 387: my $optionlist = '';
! 388: if ($target ne 'tex') {$optionlist="<option></option>\n";} else {$optionlist=' '.$localcount.'. '; $localcount++;}
1.1 albertel 389: my $option;
390: foreach $option (sort(keys(%letter_name_map))) {
391: if ($option eq $last_letter) {
1.5 ! sakharuk 392: if ($target ne 'tex') {
! 393: $optionlist.="<option selected=\"on\">$option</option>\n";
! 394: }
1.1 albertel 395: } else {
1.5 ! sakharuk 396: if ($target ne 'tex') {
! 397: $optionlist.="<option>$option</option>\n";
! 398: }
1.1 albertel 399: }
400: }
1.5 ! sakharuk 401: if ($target ne 'tex') {
! 402: $optionlist='<select name="HWVAL_'.
! 403: $Apache::inputtags::response[-1].':'.$temp.'">'.
! 404: $optionlist."</select>\n";
! 405: } else {
! 406: $optionlist=$optionlist;
! 407: }
1.1 albertel 408: my $text=$Apache::response::foilgroup{$name.'.text'};
1.5 ! sakharuk 409: if ($target ne 'tex') {
! 410: $question.='<br />'.$optionlist.$text."\n";
! 411: } else {
! 412: $question.=' \\\\ '.$optionlist.$text."\n";
! 413: }
1.1 albertel 414: $temp++;
415: }
1.4 albertel 416: }
417: if ($result=&itemdisplay('top')) {
418: $result.=$question;
419: } elsif ($result=&itemdisplay('bottom')) {
420: $result=$question.$result;
421: } elsif ($result=&itemdisplay('right')) {
422: $result='<table><tr><td>'.$question.'</td><td>'.$result.
423: '</td></tr></table>';
424: } elsif ($result=&itemdisplay('left')) {
425: $result='<table><tr><td>'.$result.'</td><td>'.$question.
426: '</td></tr></table>';
1.1 albertel 427: }
1.5 ! sakharuk 428: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1 albertel 429: return $result;
430: }
431:
432: sub getfoilcounts {
433: my ($max)=@_;
434: # +1 since instructors will count from 1
435: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
436: if (&Apache::response::showallfoils()) { $max=$count; }
437: if ($count>$max) { $count=$max }
438: &Apache::lonxml::debug("Count is $count from $max");
439: return $count;
440: }
441:
1.3 albertel 442: sub whichorder {
443: my ($max,$randomize,$showall,$hash)=@_;
444: #&Apache::lonxml::debug("man $max randomize $randomize");
445: if (!defined(@{ $$hash{'names'} })) { return; }
446: my @names = @{ $$hash{'names'} };
1.1 albertel 447: my @whichopt =();
448: my (%top,@toplist,%bottom,@bottomlist);
1.3 albertel 449: if (!($showall || ($randomize eq 'no'))) {
1.1 albertel 450: my $current=0;
451: foreach my $name (@names) {
452: $current++;
1.3 albertel 453: if ($$hash{"$name.location"} eq 'top') {
1.1 albertel 454: $top{$name}=$current;
1.3 albertel 455: } elsif ($$hash{"$name.location"} eq 'bottom') {
1.1 albertel 456: $bottom{$name}=$current;
457: }
458: }
459: }
460: while ((($#whichopt+1) < $max) && ($#names > -1)) {
1.3 albertel 461: #&Apache::lonxml::debug("Have $#whichopt max is $max");
1.1 albertel 462: my $aopt;
1.3 albertel 463: if ($showall || ($randomize eq 'no')) {
1.1 albertel 464: $aopt=0;
465: } else {
466: $aopt=int(&Math::Random::random_uniform() * ($#names+1));
467: }
1.3 albertel 468: #&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
1.1 albertel 469: $aopt=splice(@names,$aopt,1);
1.3 albertel 470: #&Apache::lonxml::debug("Picked $aopt");
1.1 albertel 471: if ($top{$aopt}) {
472: $toplist[$top{$aopt}]=$aopt;
473: } elsif ($bottom{$aopt}) {
474: $bottomlist[$bottom{$aopt}]=$aopt;
475: } else {
476: push (@whichopt,$aopt);
477: }
478: }
479: for (my $i=0;$i<=$#toplist;$i++) {
480: if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
481: }
482: for (my $i=0;$i<=$#bottomlist;$i++) {
483: if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
484: }
485:
486: return @whichopt;
487: }
488:
489: sub start_conceptgroup {
490: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
491: $Apache::matchresponse::conceptgroup=1;
492: %Apache::response::conceptgroup=();
493: my $result;
494: if ($target eq 'edit') {
495: $result.=&Apache::edit::tag_start($target,$token,
496: "Concept Grouped Foils");
497: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
498: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
499: }
500: if ($target eq 'modified') {
501: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
502: $safeeval,'concept');
503: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
504: }
505: return $result;
506: }
507:
508: sub end_conceptgroup {
509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
510: $Apache::matchresponse::conceptgroup=0;
511: my $result='';
512: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
513: #if not there aren't any foils to display and thus no question
514: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
515: my @names = @{ $Apache::response::conceptgroup{'names'} };
516: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
517: my $name=$names[$pick];
518: push @{ $Apache::response::foilgroup{'names'} }, $name;
519: $Apache::response::foilgroup{"$name.value"} =
520: $Apache::response::conceptgroup{"$name.value"};
521: $Apache::response::foilgroup{"$name.text"} =
522: $Apache::response::conceptgroup{"$name.text"};
523: $Apache::response::foilgroup{"$name.location"} =
524: $Apache::response::conceptgroup{"$name.location"};
525: my $concept = &Apache::lonxml::get_param('concept',$parstack,
526: $safeeval);
527: $Apache::response::foilgroup{"$name.concept"} = $concept;
528: &Apache::lonxml::debug("Selecting $name in $concept");
529: if ($target eq 'web') {
530: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
531: push(@{ $Apache::hint::match{"$part_id.concepts"} },
532: $concept);
533: $Apache::hint::match{"$part_id.concept.$concept"}=
534: $Apache::response::conceptgroup{'names'};
535: }
536: }
537: } elsif ($target eq 'edit') {
538: $result=&Apache::edit::end_table();
539: }
540: return $result;
541: }
542:
543: sub insert_conceptgroup {
544: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
545: return $result;
546: }
547:
548: sub start_foil {
549: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
550: my $result='';
1.5 ! sakharuk 551: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 552: &Apache::lonxml::startredirection;
553: } elsif ($target eq 'edit') {
554: $result=&Apache::edit::tag_start($target,$token,"Foil");
555: my $level='-2';
556: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
557: $result.=&Apache::edit::text_arg('Name:','name',$token);
558: my @names;
559: if (defined(@{ $Apache::response::itemgroup{'names'} })) {
560: @names=@{ $Apache::response::itemgroup{'names'} };
561: }
562: $result.= &Apache::edit::select_or_text_arg('Correct Option:','value',['unused',@names],$token,'15');
563: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
564: $safeeval,'-3');
565: if ($randomize ne 'no') {
566: $result.=&Apache::edit::select_arg('Location:','location',
567: ['random','top','bottom'],$token);
568: }
569: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
570: } elsif ($target eq 'modified') {
571: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
572: $safeeval,'value',
573: 'name','location');
574: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
575: }
576: return $result;
577: }
578:
579: sub end_foil {
580: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
581: my $text ='';
582: my $result = '';
1.5 ! sakharuk 583: if ($target eq 'web' || $target eq 'tex') {
1.1 albertel 584: $text=&Apache::lonxml::endredirection;
585: }
1.5 ! sakharuk 586: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1 albertel 587: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
588: if ($value ne 'unused') {
589: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
590: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
591: &Apache::lonxml::debug("Got a name of :$name:");
592: if (!$name) { $name=$Apache::lonxml::curdepth; }
593: &Apache::lonxml::debug("Using a name of :$name:");
594: if ( $Apache::matchresponse::conceptgroup
595: && !&Apache::response::showallfoils() ) {
596: push @{ $Apache::response::conceptgroup{'names'} }, $name;
597: $Apache::response::conceptgroup{"$name.value"} = $value;
598: $Apache::response::conceptgroup{"$name.text"} = $text;
599: $Apache::response::conceptgroup{"$name.location"} = $location;
600: } else {
601: push @{ $Apache::response::foilgroup{'names'} }, $name;
602: $Apache::response::foilgroup{"$name.value"} = $value;
603: $Apache::response::foilgroup{"$name.text"} = $text;
604: $Apache::response::foilgroup{"$name.location"} = $location;
605: }
606: }
607: }
608: if ($target eq 'edit') {
609: $result.= &Apache::edit::tag_end($target,$token,'');
610: }
611: return $result;
612: }
613:
614: sub insert_foil {
615: return '
616: <foil name="" value="unused">
617: <startouttext />
618: <endouttext />
619: </foil>';
620: }
621: 1;
622: __END__
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