1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.68 2003/04/08 02:40:56 albertel 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
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::radiobuttonresponse;
31: use strict;
32: use HTML::Entities();
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
36: }
37:
38: sub start_radiobuttonresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41: #when in a radiobutton response use these
42: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'radiobuttonresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: %Apache::hint::radiobutton=();
46: if ($target eq 'meta') {
47: $result=&Apache::response::meta_package_write('radiobuttonresponse');
48: } elsif ($target eq 'edit' ) {
49: $result.=&Apache::edit::start_table($token).
50: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
51: &Apache::edit::deletelist($target,$token)
52: ."</td><td> ".&Apache::edit::end_row()
53: .&Apache::edit::start_spanning_row();
54:
55: $result.=
56: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
57: &Apache::edit::select_arg('Randomize Foil Order','randomize',
58: ['yes','no'],$token).
59: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
60: } elsif ($target eq 'modified') {
61: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
62: $safeeval,'max','randomize');
63: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
64: } elsif ($target eq 'tex') {
65: $result .= '\begin{enumerate}';
66: }
67: return $result;
68: }
69:
70: sub end_radiobuttonresponse {
71: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
72: my $result;
73: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
74: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
75: &Apache::response::end_response;
76: pop @Apache::lonxml::namespace;
77: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
78: return $result;
79: }
80:
81: %Apache::response::foilgroup=();
82: sub start_foilgroup {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
84: my $result;
85: %Apache::response::foilgroup=();
86: $Apache::radiobuttonresponse::conceptgroup=0;
87: &Apache::response::setrandomnumber();
88: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
89: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
90: }
91: return $result;
92: }
93:
94: sub storesurvey {
95: if ( !defined($ENV{'form.submitted'})) { return ''; }
96: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
97: &Apache::lonxml::debug("Here I am!:$response:");
98: if ( $response !~ /[0-9]+/) { return ''; }
99: my $id = $Apache::inputtags::response['-1'];
100: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
101: my %responsehash;
102: $responsehash{$whichfoils[$response]}=$response;
103: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
104: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
105: &Apache::lonxml::debug("submitted a $response<br />\n");
106: return '';
107: }
108:
109: sub grade_response {
110: my ($max,$randomize)=@_;
111: #keep the random numbers the same must always call this
112: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
113: if (!defined($ENV{'form.submitted'})) { return; }
114: my $response;
115: if ($ENV{'form.submitted'} eq 'scantron') {
116: my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,
117: 'H'=>7,'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,
118: 'O'=>14,'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,
119: 'V'=>21,'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
120: $response = $ENV{'scantron.'.$Apache::lonxml::counter.'.answer'};
121: $response = $let_to_num{$response};
122: } else {
123: $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
124: }
125: if ( $response !~ /[0-9]+/) { return; }
126: my $part=$Apache::inputtags::part;
127: my $id = $Apache::inputtags::response['-1'];
128: my %responsehash;
129: $responsehash{$whichfoils[$response]}=$response;
130: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
131: my %previous=&Apache::response::check_for_previous($responsestr,
132: $part,$id);
133: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
134: $responsestr;
135: &Apache::lonxml::debug("submitted a $response<br />\n");
136: my $ad;
137: if ($response == $answer) {
138: $ad='EXACT_ANS';
139: } else {
140: $ad='INCORRECT';
141: }
142: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
143: &Apache::response::handle_previous(\%previous,$ad);
144: }
145:
146: sub end_foilgroup {
147: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
148:
149: my $result;
150: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
151: my $style = $Apache::lonhomework::type;
152: if ( $style eq 'survey' ) {
153: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
154: $result=&displayallfoils();
155: } elsif ( $target eq 'grade' ) {
156: $result=&storesurvey();
157: }
158: } else {
159: my $name;
160: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
161: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
162: $safeeval,'-2');
163: if ($target eq 'web' || $target eq 'tex') {
164: $result=&displayfoils($target,$max,$randomize);
165: } elsif ($target eq 'answer' ) {
166: $result=&displayanswers($max,$randomize);
167: } elsif ( $target eq 'grade') {
168: &grade_response($max,$randomize);
169: }
170: }
171: }
172: &Apache::lonxml::increment_counter();
173: return $result;
174: }
175:
176: sub getfoilcounts {
177: my @names;
178: my $truecnt=0;
179: my $falsecnt=0;
180: my $name;
181: if ( $Apache::response::foilgroup{'names'} ) {
182: @names= @{ $Apache::response::foilgroup{'names'} };
183: }
184: foreach $name (@names) {
185: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
186: $truecnt++;
187: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
188: $falsecnt++;
189: }
190: }
191: return ($truecnt,$falsecnt);
192: }
193:
194: sub displayallfoils {
195: my $result;
196: &Apache::lonxml::debug("survey style display");
197: my @names = @{ $Apache::response::foilgroup{'names'} };
198: my $temp=0;
199: my $id=$Apache::inputtags::response['-1'];
200: my $part=$Apache::inputtags::part;
201: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
202: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
203: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
204: foreach my $name (@names) {
205: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
206: $result.="<br />".$Apache::response::foilgroup{$name.'.value'};
207: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
208: $result.='<b>';
209: }
210: $result .= $Apache::response::foilgroup{$name.'.text'};
211: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
212: $result.='</b>';
213: }
214: }
215: }
216: } else {
217: foreach my $name (@names) {
218: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
219: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
220: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
221: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
222: $temp++;
223: }
224: }
225: }
226: return $result;
227: }
228:
229: sub whichfoils {
230: my ($max,$randomize)=@_;
231:
232: my @truelist;
233: my @falselist;
234: my @whichfalse =();
235: my ($truecnt,$falsecnt) = &getfoilcounts();
236: my $count=0;
237: # we will add in 1 of the true statements
238: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
239: my $answer=int(&Math::Random::random_uniform() * ($count));
240: &Apache::lonxml::debug("Count is $count, $answer is $answer");
241: my @names;
242: if ( $Apache::response::foilgroup{'names'} ) {
243: @names= @{ $Apache::response::foilgroup{'names'} };
244: }
245: if (&Apache::response::showallfoils()) {
246: @whichfalse=@names;
247: } elsif ($randomize eq 'no') {
248: &Apache::lonxml::debug("No randomization");
249: my $havetrue=0;
250: foreach my $name (@names) {
251: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
252: if (!$havetrue ) {
253: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
254: }
255: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
256: push (@whichfalse,$name);
257: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
258: } else {
259: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
260: }
261: }
262: } else {
263: my $current=0;
264: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
265: my (%top,%bottom);
266: #first find out where everyone wants to be
267: foreach my $name (@names) {
268: $current++;
269: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
270: push (@truelist,$name);
271: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
272: $top{$name}=$current;
273: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
274: $bottom{$name}=$current;
275: }
276: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
277: push (@falselist,$name);
278: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
279: $top{$name}=$current;
280: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
281: $bottom{$name}=$current;
282: }
283: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
284: } else {
285: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
286: }
287: }
288: #pick a true statement
289: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
290: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
291: my (@toplist, @bottomlist);
292: my $topcount=0;
293: # assign everyone to either toplist/bottomlist or whichfalse
294: # which false is randomized, toplist bottomlist are in order
295: while ((($#whichfalse) < $max-2) && ($#falselist > -1)) {
296: &Apache::lonxml::debug("Have $#whichfalse max is $max");
297: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
298: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
299: $afalse=splice(@falselist,$afalse,1);
300: &Apache::lonxml::debug("Picked $afalse");
301: &Apache::lonhomework::showhash(('names'=>\@names));
302: &Apache::lonhomework::showhash(%top);
303: if ($top{$afalse}) {
304: $toplist[$top{$afalse}]=$afalse;
305: $topcount++;
306: } elsif ($bottom{$afalse}) {
307: $bottomlist[$bottom{$afalse}]=$afalse;
308: } else {
309: push (@whichfalse,$afalse);
310: }
311: }
312: my $truename=$truelist[$whichtrue];
313: my $dosplice=1;
314: #insert the true statement, keeping track of where it wants to be
315: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
316: $toplist[$top{$truename}]=$truename;
317: $answer=-1;
318: foreach my $top (reverse(@toplist)) {
319: if ($top) { $answer++;}
320: if ($top eq $truename) { last; }
321: }
322: $dosplice=0;
323: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
324: $bottomlist[$bottom{$truename}]=$truename;
325: $answer=-1;
326: foreach my $bot (@bottomlist) {
327: if ($bot) { $answer++;}
328: if ($bot eq $truename) { last; }
329: }
330: $answer+=$topcount+$#whichfalse+1;
331: $dosplice=0;
332: } else {
333: if ($topcount>0) {
334: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
335: + $topcount;
336: }
337: }
338: #add the top items to the top, bottom items to the bottom
339: for (my $i=0;$i<=$#toplist;$i++) {
340: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
341: }
342: for (my $i=0;$i<=$#bottomlist;$i++) {
343: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
344: }
345: #if the true statement is randomized insert it into the list
346: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
347: }
348: &Apache::lonxml::debug("Answer is $answer");
349: return ($answer,@whichfalse);
350: }
351:
352: sub displayfoils {
353: my ($target,$max,$randomize)=@_;
354: my $result;
355:
356: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
357: my $part=$Apache::inputtags::part;
358: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
359: my $status=$Apache::inputtags::status[-1];
360: if ( ($target ne 'tex') &&
361: (($solved =~ /^correct/) || ($status eq 'SHOW_ANSWER')) ) {
362: foreach my $name (@whichfoils) {
363: if ($target ne 'tex') {
364: $result.="<br />";
365: } else {
366: $result.='\item \vskip -2 mm ';
367: }
368: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
369: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
370: } else {
371: $result.='Incorrect:';
372: }
373: if ($target ne 'tex') {
374: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
375: } else {
376: $result.=$Apache::response::foilgroup{$name.'.text'};
377: }
378: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
379: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
380: }
381: }
382: } else {
383: my @alphabet = ('A'..'Z');
384: my $i = 0;
385: my $temp=0;
386: my $id=$Apache::inputtags::response['-1'];
387: my $part=$Apache::inputtags::part;
388: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
389: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
390: foreach my $name (@whichfoils) {
391: if ($target ne 'tex') {
392: $result.="<br /><input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
393: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
394: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
395: } else {
396: if ($Apache::lonhomework::type eq 'exam') {
397: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
398: $i++;
399: } else {
400: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
401: }
402: }
403: $temp++;
404: }
405: }
406: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
407: return $result;
408: }
409:
410: sub displayanswers {
411: my ($max,$randomize)=@_;
412: my ($answer,@whichopt) = &whichfoils($max,$randomize);
413: my $result=&Apache::response::answer_header('radiobuttonresponse');
414: foreach my $name (@whichopt) {
415: $result.=&Apache::response::answer_part('radiobuttonresponse',
416: $Apache::response::foilgroup{$name.'.value'})
417: }
418: $result.=&Apache::response::answer_footer('radiobuttonresponse');
419: return $result;
420: }
421:
422: sub start_conceptgroup {
423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
424: $Apache::radiobuttonresponse::conceptgroup=1;
425: %Apache::response::conceptgroup=();
426: my $result;
427: if ($target eq 'edit') {
428: $result.=&Apache::edit::tag_start($target,$token);
429: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
430: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
431: } elsif ($target eq 'modified') {
432: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
433: $safeeval,'concept');
434: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
435: }
436: return $result;
437: }
438:
439: sub end_conceptgroup {
440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
441: $Apache::radiobuttonresponse::conceptgroup=0;
442: my $result;
443: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
444: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
445: my @names = @{ $Apache::response::conceptgroup{'names'} };
446: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
447: my $name=$names[$pick];
448: push @{ $Apache::response::foilgroup{'names'} }, $name;
449: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
450: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
451: $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
452: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
453: $Apache::response::foilgroup{"$name.concept"} = $concept;
454: &Apache::lonxml::debug("Selecting $name in $concept");
455: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
456: push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
457: $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
458: $Apache::response::conceptgroup{'names'};
459: }
460: } elsif ($target eq 'edit') {
461: $result=&Apache::edit::end_table();
462: }
463: return $result;
464: }
465:
466: sub insert_conceptgroup {
467: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
468: return $result;
469: }
470:
471: sub start_foil {
472: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
473: my $result='';
474: if ($target eq 'web' || $target eq 'tex') {
475: &Apache::lonxml::startredirection;
476: } elsif ($target eq 'edit') {
477: $result=&Apache::edit::tag_start($target,$token);
478: $result.=&Apache::edit::text_arg('Name:','name',$token);
479: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
480: ['unused','true','false'],$token);
481: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
482: $safeeval,'-3');
483: if ($randomize ne 'no') {
484: $result.=&Apache::edit::select_arg('Location:','location',
485: ['random','top','bottom'],$token);
486: }
487: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
488: } elsif ($target eq 'modified') {
489: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
490: 'value','name','location');
491: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
492: }
493: return $result;
494: }
495:
496: sub end_foil {
497: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
498: my $text='';
499: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
500: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
501: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
502: if ($value ne 'unused') {
503: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
504: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
505: if (!$name) { $name=$Apache::lonxml::curdepth; }
506: if ( $Apache::radiobuttonresponse::conceptgroup
507: && !&Apache::response::showallfoils() ) {
508: push @{ $Apache::response::conceptgroup{'names'} }, $name;
509: $Apache::response::conceptgroup{"$name.value"} = $value;
510: $Apache::response::conceptgroup{"$name.text"} = $text;
511: $Apache::response::conceptgroup{"$name.location"} = $location;
512: } else {
513: push @{ $Apache::response::foilgroup{'names'} }, $name;
514: $Apache::response::foilgroup{"$name.value"} = $value;
515: $Apache::response::foilgroup{"$name.text"} = $text;
516: $Apache::response::foilgroup{"$name.location"} = $location;
517: }
518: }
519: }
520: return '';
521: }
522:
523: sub insert_foil {
524: return '
525: <foil name="" value="unused">
526: <startouttext />
527: <endouttext />
528: </foil>';
529: }
530: 1;
531: __END__
532:
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