1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.135 2008/09/05 12:50:45 onken Exp $
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: package Apache::radiobuttonresponse;
29: use strict;
30: use HTML::Entities();
31: use Apache::lonlocal;
32: use Apache::lonnet;
33: use Apache::response;
34:
35: my $default_bubbles_per_line = 10;
36:
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
40: }
41:
42: sub bubble_line_count {
43: my ($numfoils, $bubbles_per_line) = @_;
44: my $bubble_lines;
45: $bubble_lines = int($numfoils / $bubbles_per_line);
46: if (($numfoils % $bubbles_per_line) != 0) {
47: $bubble_lines++;
48: }
49: return $bubble_lines;
50:
51: }
52:
53:
54: sub start_radiobuttonresponse {
55: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
56: my $result;
57:
58: #when in a radiobutton response use these
59: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
60: push (@Apache::lonxml::namespace,'radiobuttonresponse');
61: my $id = &Apache::response::start_response($parstack,$safeeval);
62:
63: %Apache::hint::radiobutton=();
64: undef(%Apache::response::foilnames);
65: if ($target eq 'meta') {
66: $result=&Apache::response::meta_package_write('radiobuttonresponse');
67: } elsif ($target eq 'edit' ) {
68: $result.=&Apache::edit::start_table($token).
69: '<tr><td>'.&Apache::lonxml::description($token).
70: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
71: "</td><td>Delete:".
72: &Apache::edit::deletelist($target,$token)
73: ."</td><td> ".&Apache::edit::end_row()
74: .&Apache::edit::start_spanning_row();
75: $result.=
76: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
77: $token,'4').
78: &Apache::edit::select_arg('Randomize Foil Order','randomize',
79: ['yes','no'],$token).
80: &Apache::edit::select_arg('Display Direction','direction',
81: ['vertical','horizontal'],$token).
82: &Apache::edit::end_row().
83: &Apache::edit::start_spanning_row()."\n";
84: } elsif ($target eq 'modified') {
85: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
86: $safeeval,'max',
87: 'randomize','direction');
88: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
89: } elsif ($target eq 'tex') {
90: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
91: undef,0);
92: if ($type eq '1') {
93: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
94: } elsif ($type eq 'A') {
95: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
96: } elsif ($type eq 'a') {
97: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
98: } elsif ($type eq 'i') {
99: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
100: } else {
101: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
102: }
103: if($env{'form.pdfFormFields'} eq 'yes') {
104: $result .= &Apache::lonxml::print_pdf_hiddenfield('meta', $env{'user.name'}, $env{'user.domain'});
105: $result .= "\n\\\\\n\\\\\n";
106: } else {
107: $result .= '\begin{enumerate}';
108: }
109: } elsif ($target eq 'analyze') {
110: my $part_id="$Apache::inputtags::part.$id";
111: $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
112: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
113: }
114: return $result;
115: }
116:
117: sub end_radiobuttonresponse {
118: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
119: my $result;
120: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
121: if ($target eq 'tex' and $env{'form.pdfFormFields'} ne 'yes') {
122: $result .= '\end{enumerate}';
123: }
124: &Apache::response::end_response;
125: pop @Apache::lonxml::namespace;
126: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
127: undef(%Apache::response::foilnames);
128: return $result;
129: }
130:
131: %Apache::response::foilgroup=();
132: sub start_foilgroup {
133: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
134: my $result;
135: %Apache::response::foilgroup=();
136: $Apache::radiobuttonresponse::conceptgroup=0;
137: &Apache::response::pushrandomnumber();
138: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
139: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
140: }
141: return $result;
142: }
143:
144: sub storesurvey {
145: if ( !&Apache::response::submitted() ) { return ''; }
146: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
147: &Apache::lonxml::debug("Here I am!:$response:");
148: if ( $response !~ /[0-9]+/) { return ''; }
149: my $part = $Apache::inputtags::part;
150: my $id = $Apache::inputtags::response['-1'];
151: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
152: my %responsehash;
153: $responsehash{$whichfoils[$response]}=$response;
154: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
155: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
156: $responsestr;
157: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
158: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
159: &Apache::response::handle_previous(\%previous,$ad);
160: &Apache::lonxml::debug("submitted a $response<br />\n");
161: return '';
162: }
163:
164:
165: sub grade_response {
166: my ($answer, $whichfoils, $bubbles_per_line)=@_;
167:
168: if ( !&Apache::response::submitted() ) { return; }
169: my $response;
170:
171: if ($env{'form.submitted'} eq 'scantron') {
172: $response = &Apache::response::getresponse(1,undef,
173: &bubble_line_count(scalar(@{ $whichfoils}),
174: $bubbles_per_line),
175: $bubbles_per_line);
176:
177: } else {
178: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
179: }
180:
181:
182: if ( $response !~ /[0-9]+/) { return; }
183: my $part=$Apache::inputtags::part;
184: my $id = $Apache::inputtags::response['-1'];
185: my %responsehash;
186: $responsehash{$whichfoils->[$response]}=$response;
187: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
188: my %previous=&Apache::response::check_for_previous($responsestr,
189: $part,$id);
190: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
191: $responsestr;
192: &Apache::lonxml::debug("submitted a $response<br />\n");
193: my $ad;
194: if ($response == $answer) {
195: $ad='EXACT_ANS';
196: } else {
197: $ad='INCORRECT';
198: }
199: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
200: &Apache::response::handle_previous(\%previous,$ad);
201: }
202:
203: sub end_foilgroup {
204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
205:
206: my $result;
207: my $bubble_lines;
208: my $bubbles_per_line;
209: my $answer_count;
210: my $id = $Apache::inputtags::response['-1'];
211: my $part = $Apache::inputtags::part;
212: $bubbles_per_line =
213: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
214: 'numbubbles',
215: $default_bubbles_per_line);
216:
217:
218: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
219: $target eq 'tex' || $target eq 'analyze') {
220: my $style = $Apache::lonhomework::type;
221: my $direction = &Apache::lonxml::get_param('direction',$parstack,
222: $safeeval,'-2');
223: if ( $style eq 'survey' && $target ne 'analyze') {
224: if ($target eq 'web' || $target eq 'tex') {
225: $result=&displayallfoils($direction, $target);
226: } elsif ( $target eq 'answer' ) {
227: $result=&displayallanswers();
228: } elsif ( $target eq 'grade' ) {
229: $result=&storesurvey();
230: }
231: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
232:
233: } else {
234:
235: my $name;
236: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
237: '-2');
238: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
239: $safeeval,'-2');
240: my ($answer, @shown) = &whichfoils($max, $randomize);
241: $answer_count = scalar(@shown);
242:
243: if ($target eq 'web' || $target eq 'tex') {
244: $result=&displayfoils($target,
245: $answer, \@shown,
246: $direction,
247: $bubbles_per_line);
248: } elsif ($target eq 'answer' ) {
249: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
250: } elsif ( $target eq 'grade') {
251: &grade_response($answer, \@shown, $bubbles_per_line);
252: } elsif ( $target eq 'analyze') {
253: my $bubble_lines = &bubble_line_count($answer_count,
254: $bubbles_per_line);
255: &Apache::response::analyze_store_foilgroup(\@shown,
256: ['text','value','location']);
257: my $part_id="$part.$id";
258: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
259: ('true','false'));
260:
261: }
262: }
263: $Apache::lonxml::post_evaluate=0;
264: }
265: if ($target eq 'web') {
266: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
267: [\%Apache::response::foilgroup]);
268: }
269: &Apache::response::poprandomnumber();
270: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
271: &Apache::lonxml::increment_counter($bubble_lines,
272: "$part.$id");
273: if ($target eq 'analyze') {
274: &Apache::lonhomework::set_bubble_lines();
275: }
276: return $result;
277: }
278:
279: sub getfoilcounts {
280: my @names;
281: my $truecnt=0;
282: my $falsecnt=0;
283: my $name;
284: if ( $Apache::response::foilgroup{'names'} ) {
285: @names= @{ $Apache::response::foilgroup{'names'} };
286: }
287: foreach $name (@names) {
288: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
289: $truecnt++;
290: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
291: $falsecnt++;
292: }
293: }
294: return ($truecnt,$falsecnt);
295: }
296:
297: sub format_prior_answer {
298: my ($mode,$answer,$other_data) = @_;
299: my $foil_data = $other_data->[0];
300: my %response = &Apache::lonnet::str2hash($answer);
301: my ($name) = keys(%response);
302: return '<span class="LC_prior_radiobutton">'.
303: $foil_data->{$name.'.text'}.'</span>';
304:
305: }
306:
307: sub displayallfoils {
308: my ($direction, $target)=@_;
309: my $result;
310: &Apache::lonxml::debug("survey style display");
311: my @names;
312: if ( $Apache::response::foilgroup{'names'} ) {
313: @names= @{ $Apache::response::foilgroup{'names'} };
314: }
315:
316: my $temp=0;
317: my $i =0;
318: my $id=$Apache::inputtags::response['-1'];
319: my $part=$Apache::inputtags::part;
320: my $lastresponse=
321: $Apache::lonhomework::history{"resource.$part.$id.submission"};
322: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
323: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
324: if (&Apache::response::show_answer() ) {
325: foreach my $name (@names) {
326: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
327: if (($direction eq 'horizontal') && ($target ne 'tex')) {
328: $result.="<td>";
329: } else {
330: if ($target eq 'tex') {
331: $result .= '\item \vskip -2mm ';
332: } else {
333: $result.="<br />";
334: }
335: }
336: if (defined($lastresponse{$name})) {
337: if ($target eq 'tex') {
338: $result .= '}';
339: } else {
340: $result.='<b>';
341: }
342: }
343: $result .= $Apache::response::foilgroup{$name.'.text'};
344: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
345: $result.='</b>';
346: }
347: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
348: }
349: }
350: } else {
351: foreach my $name (@names) {
352: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
353: if ($direction eq 'horizontal') {
354: $result.="<td>";
355: } else {
356: if ($target eq 'tex') {
357: if($env{'form.pdfFormFields'} eq 'yes') {
358: my $fieldname = $env{'request.symb'}.
359: '&part_'. $Apache::inputtags::part.
360: '&radiobuttonresponse'.
361: '&HWVAL_' . $Apache::inputtags::response['-1'];
362: my $value = $temp;
363: my $text = $Apache::response::foilgroup{$name.'.text'};
364: $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname,
365: $value,
366: $text)."\n";
367: } else {
368: $result .= '\item \vskip -2mm ';
369: }
370: } else {
371: $result.="<br />";
372: }
373: }
374: if ($target eq 'tex') {
375: if($env{'form.pdfFormFields'} ne 'yes') {
376: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
377: }
378: $i++;
379: } else {
380: $result .= '<label>';
381: $result.="<input
382: onchange=\"javascript:setSubmittedPart('$part');\"
383: type=\"radio\"
384: name=\"HWVAL_$Apache::inputtags::response['-1']\"
385: value=\"$temp\" ";
386: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
387: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
388: '</label>';
389: }
390: $temp++;
391: if ($target ne 'tex') {
392: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
393: } else {
394: $result.='\vskip 0 mm ';
395: }
396: }
397: }
398: }
399:
400: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
401: return $result;
402: }
403:
404: =pod
405:
406: =item &whichfoils($max,$randomize)
407:
408: Randomizes the list of foils.
409: Respects
410: - each foils desire to be randomized
411: - the existance of Concept groups of foils (select 1 foil from each)
412: - and selects a single correct statement from all possilble true statments
413: - and limits it to a toal of $max foils
414:
415: WARNING: this routine uses the random number generator, it should only
416: be called once per target, otherwise it can cause randomness changes in
417: homework problems.
418:
419: Arguments
420: $max - maximum number of foils to select (including the true one)
421: (so a max of 5 is: 1 true, 4 false)
422:
423: $randomize - whether to randomize the listing of foils, by default
424: will randomize, only if randomize is 'no' will it not
425:
426: Returns
427: $answer - location in the array of the correct answer
428: @foils - array of foil names in to display order
429:
430: =cut
431:
432: sub whichfoils {
433: my ($max,$randomize)=@_;
434:
435: my @truelist;
436: my @falselist;
437: my @whichfalse =();
438: my ($truecnt,$falsecnt) = &getfoilcounts();
439: my $count=0;
440: # we will add in 1 of the true statements
441: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
442: my $answer=int(&Math::Random::random_uniform() * ($count));
443: &Apache::lonxml::debug("Count is $count, $answer is $answer");
444: my @names;
445: if ( $Apache::response::foilgroup{'names'} ) {
446: @names= @{ $Apache::response::foilgroup{'names'} };
447: }
448: if (&Apache::response::showallfoils()) {
449: @whichfalse=@names;
450: } elsif ($randomize eq 'no') {
451: &Apache::lonxml::debug("No randomization");
452: my $havetrue=0;
453: foreach my $name (@names) {
454: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
455: if (!$havetrue ) {
456: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
457: }
458: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
459: push (@whichfalse,$name);
460: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
461: } else {
462: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
463: }
464: }
465: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
466: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
467: }
468: } else {
469: my $current=0;
470: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
471: my (%top,%bottom);
472: #first find out where everyone wants to be
473: foreach my $name (@names) {
474: $current++;
475: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
476: push (@truelist,$name);
477: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
478: $top{$name}=$current;
479: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
480: $bottom{$name}=$current;
481: }
482: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
483: push (@falselist,$name);
484: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
485: $top{$name}=$current;
486: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
487: $bottom{$name}=$current;
488: }
489: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
490: } else {
491: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
492: }
493: }
494: #pick a true statement
495: my $notrue=0;
496: if (scalar(@truelist) == 0) { $notrue=1; }
497: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
498: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
499: my (@toplist, @bottomlist);
500: my $topcount=0;
501: my $bottomcount=0;
502: # assign everyone to either toplist/bottomlist or whichfalse
503: # which false is randomized, toplist bottomlist are in order
504: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
505: &Apache::lonxml::debug("Have $#whichfalse max is $max");
506: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
507: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
508: $afalse=splice(@falselist,$afalse,1);
509: &Apache::lonxml::debug("Picked $afalse");
510: &Apache::lonhomework::showhash(('names'=>\@names));
511: &Apache::lonhomework::showhash(%top);
512: if ($top{$afalse}) {
513: $toplist[$top{$afalse}]=$afalse;
514: $topcount++;
515: } elsif ($bottom{$afalse}) {
516: $bottomlist[$bottom{$afalse}]=$afalse;
517: $bottomcount++;
518: } else {
519: push (@whichfalse,$afalse);
520: }
521: }
522: &Apache::lonxml::debug("Answer wants $answer");
523: my $truename=$truelist[$whichtrue];
524: my $dosplice=1;
525: if ($notrue && $Apache::lonhomework::type ne 'survey') {
526: $dosplice=0;
527: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
528: }
529: #insert the true statement, keeping track of where it wants to be
530: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
531: $toplist[$top{$truename}]=$truename;
532: $answer=-1;
533: foreach my $top (reverse(@toplist)) {
534: if ($top) { $answer++;}
535: if ($top eq $truename) { last; }
536: }
537: $dosplice=0;
538: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
539: $bottomlist[$bottom{$truename}]=$truename;
540: $answer=-1;
541: foreach my $bot (@bottomlist) {
542: if ($bot) { $answer++;}
543: if ($bot eq $truename) { last; }
544: }
545: $answer+=$topcount+$#whichfalse+1;
546: $dosplice=0;
547: } else {
548: if ($topcount>0 || $bottomcount>0) {
549: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
550: + $topcount;
551: }
552: }
553: &Apache::lonxml::debug("Answer now wants $answer");
554: #add the top items to the top, bottom items to the bottom
555: for (my $i=0;$i<=$#toplist;$i++) {
556: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
557: }
558: for (my $i=0;$i<=$#bottomlist;$i++) {
559: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
560: }
561: #if the true statement is randomized insert it into the list
562: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
563: }
564: &Apache::lonxml::debug("Answer is $answer");
565: return ($answer,@whichfalse);
566: }
567:
568: sub displayfoils {
569: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
570: my $result;
571:
572: my $part=$Apache::inputtags::part;
573: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
574: if ( ($target ne 'tex') &&
575: &Apache::response::show_answer() ) {
576: if ($direction eq 'horizontal') {
577: if ($target ne 'tex') {
578: $result.='<table><tr>';
579: }
580: }
581: foreach my $name (@{ $whichfoils }) {
582: if ($direction eq 'horizontal') {
583: if ($target ne 'tex') { $result.='<td>'; }
584: }
585: if ($target ne 'tex') {
586: $result.="<br />";
587: } else {
588: $result.='\item \vskip -2 mm ';
589: }
590: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
591: if ($target ne 'tex') {
592: $result.=&mt('Correct:').'<b>';
593: } else {
594: $result.=&mt('Correct:').' \textbf{';
595: }
596: } else {
597: $result.=&mt('Incorrect:');
598: }
599: if ($target eq 'web') { $result.="<label>"; }
600: $result.=$Apache::response::foilgroup{$name.'.text'};
601: if ($target eq 'web') { $result.="</label>"; }
602: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
603: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
604: }
605: if ($direction eq 'horizontal') {
606: if ($target ne 'tex') { $result.='</td>'; }
607: }
608: }
609: if ($direction eq 'horizontal') {
610: if ($target ne 'tex') {
611: $result.='</tr></table>';
612: }
613: }
614: } else {
615: my @alphabet = ('A'..'Z');
616: my $i = 0;
617: my $bubble_number = 0;
618: my $line = 0;
619: my $temp=0;
620: my $id=$Apache::inputtags::response['-1'];
621: my $part=$Apache::inputtags::part;
622: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
623: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
624: if ($target ne 'tex' && $direction eq 'horizontal') {
625: $result.="<table><tr>";
626: }
627: foreach my $name (@{ $whichfoils }) {
628: if ($target ne 'tex') {
629: if ($direction eq 'horizontal') {
630: $result.="<td>";
631: } else {
632: $result.="<br />";
633: }
634: }
635: if ($target ne 'tex') {
636: $result.= '<label>';
637: $result.=
638: "<input type=\"radio\"
639: onchange=\"javascript:setSubmittedPart('$part');\"
640: name=\"HWVAL_$Apache::inputtags::response['-1']\"
641: value=\"$temp\" ";
642: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
643: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
644: } else {
645: if ($Apache::lonhomework::type eq 'exam') {
646: if($bubble_number >= $bubbles_per_line) {
647: $line++;
648: $i = 0;
649: $bubble_number = 0;
650: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
651: }
652: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
653: $i++;
654: $bubble_number++;
655: } else {
656: if($env{'form.pdfFormFields'} eq 'yes') {
657:
658: my $fieldname = $env{'request.symb'}.
659: '&part_'. $Apache::inputtags::part.
660: '&radiobuttonresponse'.
661: '&HWVAL_' . $Apache::inputtags::response['-1'];
662: my $value = $temp;
663: my $text = $Apache::response::foilgroup{$name.'.text'};
664: $result .= &Apache::lonxml::print_pdf_radiobutton($fieldname, $value, $text).'\newline'."\n";
665: } else {
666: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
667: }
668: }
669: }
670: if ($target ne 'tex' && $direction eq 'horizontal') {
671: $result.="</td>";
672: }
673: $temp++;
674: }
675: if ($target ne 'tex' && $direction eq 'horizontal') {
676: $result.="</tr></table>";
677: }
678: }
679: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
680: return $result;
681: }
682:
683: sub displayallanswers {
684: my @names;
685: if ( $Apache::response::foilgroup{'names'} ) {
686: @names= @{ $Apache::response::foilgroup{'names'} };
687: }
688: my $result=&Apache::response::answer_header('radiobuttonresponse');
689: foreach my $name (@names) {
690: $result.=&Apache::response::answer_part('radiobuttonresponse',
691: $Apache::response::foilgroup{$name.'.value'});
692: }
693: $result.=&Apache::response::answer_footer('radiobuttonresponse');
694: return $result;
695: }
696:
697: sub displayanswers {
698: my ($answer, $whichopt, $bubbles_per_line)=@_;
699: my $result;
700:
701: if ($Apache::lonhomework::type eq 'exam') {
702: my $line = int($answer/$bubbles_per_line);
703: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
704: $result .= &Apache::response::answer_header('radiobuttonresponse',
705: $line);
706: $result .= &Apache::response::answer_part('radiobuttonresponse',
707: $correct);
708: } else {
709: $result .= &Apache::response::answer_header('radiobuttonresponse');
710: }
711: foreach my $name (@{ $whichopt }) {
712: $result.=&Apache::response::answer_part('radiobuttonresponse',
713: $Apache::response::foilgroup{$name.'.value'});
714: }
715: $result.=&Apache::response::answer_footer('radiobuttonresponse');
716: return $result;
717: }
718:
719: sub start_conceptgroup {
720: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
721: $Apache::radiobuttonresponse::conceptgroup=1;
722: %Apache::response::conceptgroup=();
723: my $result;
724: if ($target eq 'edit') {
725: $result.=&Apache::edit::tag_start($target,$token);
726: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
727: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
728: } elsif ($target eq 'modified') {
729: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
730: $safeeval,'concept');
731: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
732: }
733: return $result;
734: }
735:
736: sub end_conceptgroup {
737: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
738: $Apache::radiobuttonresponse::conceptgroup=0;
739: my $result;
740: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
741: $target eq 'tex' || $target eq 'analyze') {
742: &Apache::response::pick_foil_for_concept($target,
743: ['value','text','location'],
744: \%Apache::hint::radiobutton,
745: $parstack,$safeeval);
746: } elsif ($target eq 'edit') {
747: $result=&Apache::edit::end_table();
748: }
749: return $result;
750: }
751:
752: sub insert_conceptgroup {
753: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
754: return $result;
755: }
756:
757: sub start_foil {
758: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
759: my $result='';
760: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
761: &Apache::lonxml::startredirection;
762: if ($target eq 'analyze') {
763: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
764: }
765: } elsif ($target eq 'edit') {
766: $result=&Apache::edit::tag_start($target,$token);
767: $result.=&Apache::edit::text_arg('Name:','name',$token);
768: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
769: ['unused','true','false'],
770: $token);
771: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
772: $safeeval,'-3');
773: if ($randomize ne 'no') {
774: $result.=&Apache::edit::select_arg('Location:','location',
775: ['random','top','bottom'],$token);
776: }
777: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
778: } elsif ($target eq 'modified') {
779: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
780: $safeeval,'value','name',
781: 'location');
782: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
783: }
784: return $result;
785: }
786:
787: sub end_foil {
788: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
789: my $text='';
790: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
791: $text=&Apache::lonxml::endredirection;
792: }
793: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
794: || $target eq 'tex' || $target eq 'analyze') {
795: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
796: if ($value ne 'unused') {
797: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
798: if ($name eq "") {
799: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
800: $name=$Apache::lonxml::curdepth;
801: }
802: if (defined($Apache::response::foilnames{$name})) {
803: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
804: }
805: $Apache::response::foilnames{$name}++;
806: my $location =&Apache::lonxml::get_param('location',$parstack,
807: $safeeval);
808: if ( $Apache::radiobuttonresponse::conceptgroup
809: && !&Apache::response::showallfoils() ) {
810: push @{ $Apache::response::conceptgroup{'names'} }, $name;
811: $Apache::response::conceptgroup{"$name.value"} = $value;
812: $Apache::response::conceptgroup{"$name.text"} = $text;
813: $Apache::response::conceptgroup{"$name.location"} = $location;
814: } else {
815: push @{ $Apache::response::foilgroup{'names'} }, $name;
816: $Apache::response::foilgroup{"$name.value"} = $value;
817: $Apache::response::foilgroup{"$name.text"} = $text;
818: $Apache::response::foilgroup{"$name.location"} = $location;
819: }
820: }
821: }
822: return '';
823: }
824:
825: sub insert_foil {
826: return '
827: <foil name="" value="unused">
828: <startouttext />
829: <endouttext />
830: </foil>';
831: }
832: 1;
833: __END__
834:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to radiobuttonresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework