1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.59 2002/10/28 14:28:04 sakharuk 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: &Apache::lonxml::increment_counter();
91: }
92: return $result;
93: }
94:
95: sub storesurvey {
96: if ( !defined($ENV{'form.submitted'})) { return ''; }
97: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
98: &Apache::lonxml::debug("Here I am!:$response:");
99: if ( $response !~ /[0-9]+/) { return ''; }
100: my $id = $Apache::inputtags::response['-1'];
101: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
102: my %responsehash;
103: $responsehash{$whichfoils[$response]}=$response;
104: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
105: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
106: &Apache::lonxml::debug("submitted a $response<br />\n");
107: return '';
108: }
109:
110: sub grade_response {
111: my ($max,$randomize)=@_;
112: #keep the random numbers the same must always call this
113: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
114: if (!defined($ENV{'form.submitted'})) { return; }
115: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
116: if ( $response !~ /[0-9]+/) { return; }
117: my $part=$Apache::inputtags::part;
118: my $id = $Apache::inputtags::response['-1'];
119: my %responsehash;
120: $responsehash{$whichfoils[$response]}=$response;
121: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
122: my %previous=&Apache::response::check_for_previous($responsestr,
123: $part,$id);
124: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
125: $responsestr;
126: &Apache::lonxml::debug("submitted a $response<br />\n");
127: my $ad;
128: if ($response == $answer) {
129: $ad='EXACT_ANS';
130: } else {
131: $ad='INCORRECT';
132: }
133: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
134: &Apache::response::handle_previous(\%previous,$ad);
135: }
136:
137: sub end_foilgroup {
138: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
139:
140: my $result;
141: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
142: my $style = $Apache::lonhomework::type;
143: if ( $style eq 'survey' ) {
144: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
145: $result=&displayallfoils();
146: } elsif ( $target eq 'grade' ) {
147: $result=&storesurvey();
148: }
149: } else {
150: my $name;
151: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
152: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
153: $safeeval,'-2');
154: if ($target eq 'web' || $target eq 'tex') {
155: $result=&displayfoils($target,$max,$randomize);
156: } elsif ($target eq 'answer' ) {
157: $result=&displayanswers($max,$randomize);
158: } elsif ( $target eq 'grade') {
159: &grade_response($max,$randomize);
160: }
161: }
162: }
163: return $result;
164: }
165:
166: sub getfoilcounts {
167: my @names;
168: my $truecnt=0;
169: my $falsecnt=0;
170: my $name;
171: if ( $Apache::response::foilgroup{'names'} ) {
172: @names= @{ $Apache::response::foilgroup{'names'} };
173: }
174: foreach $name (@names) {
175: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
176: $truecnt++;
177: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
178: $falsecnt++;
179: }
180: }
181: return ($truecnt,$falsecnt);
182: }
183:
184: sub displayallfoils {
185: my $result;
186: &Apache::lonxml::debug("survey style display");
187: my @names = @{ $Apache::response::foilgroup{'names'} };
188: my $temp=0;
189: my $id=$Apache::inputtags::response['-1'];
190: my $part=$Apache::inputtags::part;
191: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
192: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
193: if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/) || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
194: foreach my $name (@names) {
195: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
196: $result.="<br />".$Apache::response::foilgroup{$name.'.value'};
197: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
198: $result.='<b>';
199: }
200: $result .= $Apache::response::foilgroup{$name.'.text'};
201: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
202: $result.='</b>';
203: }
204: }
205: }
206: } else {
207: foreach my $name (@names) {
208: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
209: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
210: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
211: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
212: $temp++;
213: }
214: }
215: }
216: return $result;
217: }
218:
219: sub whichfoils {
220: my ($max,$randomize)=@_;
221:
222: my @truelist;
223: my @falselist;
224: my @whichfalse =();
225: my ($truecnt,$falsecnt) = &getfoilcounts();
226: my $count=0;
227: # we will add in 1 of the true statements
228: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
229: my $answer=int(&Math::Random::random_uniform() * ($count));
230: &Apache::lonxml::debug("Count is $count, $answer is $answer");
231: my @names;
232: if ( $Apache::response::foilgroup{'names'} ) {
233: @names= @{ $Apache::response::foilgroup{'names'} };
234: }
235: if (&Apache::response::showallfoils()) {
236: @whichfalse=@names;
237: } elsif ($randomize eq 'no') {
238: &Apache::lonxml::debug("No randomization");
239: my $havetrue=0;
240: foreach my $name (@names) {
241: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
242: if (!$havetrue ) {
243: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
244: }
245: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
246: push (@whichfalse,$name);
247: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
248: } else {
249: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
250: }
251: }
252: } else {
253: my $current=0;
254: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
255: my (%top,%bottom);
256: #first find out where everyone wants to be
257: foreach my $name (@names) {
258: $current++;
259: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
260: push (@truelist,$name);
261: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
262: $top{$name}=$current;
263: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
264: $bottom{$name}=$current;
265: }
266: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
267: push (@falselist,$name);
268: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
269: $top{$name}=$current;
270: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
271: $bottom{$name}=$current;
272: }
273: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
274: } else {
275: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
276: }
277: }
278: #pick a true statement
279: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
280: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
281: my $numinserted;
282: my (@toplist, @bottomlist);
283: my $topcount=0;
284: # assign everyone to either toplist/bottomlist or whichfalse
285: # which false is randomized, toplist bottomlist are in order
286: while ((($numinserted) < $max-1) && ($#falselist > -1)) {
287: &Apache::lonxml::debug("Have $#whichfalse max is $max");
288: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
289: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
290: $afalse=splice(@falselist,$afalse,1);
291: &Apache::lonxml::debug("Picked $afalse");
292: &Apache::lonhomework::showhash(('names'=>\@names));
293: &Apache::lonhomework::showhash(%top);
294: if ($top{$afalse}) {
295: $toplist[$top{$afalse}]=$afalse;
296: $topcount++;
297: } elsif ($bottom{$afalse}) {
298: $bottomlist[$bottom{$afalse}]=$afalse;
299: } else {
300: push (@whichfalse,$afalse);
301: }
302: }
303: my $truename=$truelist[$whichtrue];
304: my $dosplice=1;
305: #insert the true statement, keeping track of where it wants to be
306: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
307: $toplist[$top{$truename}]=$truename;
308: $answer=-1;
309: foreach my $top (reverse(@toplist)) {
310: if ($top) { $answer++;}
311: if ($top eq $truename) { last; }
312: }
313: $dosplice=0;
314: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
315: $bottomlist[$bottom{$truename}]=$truename;
316: $answer=-1;
317: foreach my $bot (@bottomlist) {
318: if ($bot) { $answer++;}
319: if ($bot eq $truename) { last; }
320: }
321: $answer+=$topcount+$#whichfalse+1;
322: $dosplice=0;
323: } else {
324: if ($topcount>0) {
325: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
326: + $topcount;
327: }
328: }
329: #add the top items to the top, bottom items to the bottom
330: for (my $i=0;$i<=$#toplist;$i++) {
331: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
332: }
333: for (my $i=0;$i<=$#bottomlist;$i++) {
334: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
335: }
336: #if the true statement is randomized insert it into the list
337: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
338: }
339: &Apache::lonxml::debug("Answer is $answer");
340: return ($answer,@whichfalse);
341: }
342:
343: sub displayfoils {
344: my ($target,$max,$randomize)=@_;
345: my $result;
346:
347: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
348: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ || ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER')) {
349: foreach my $name (@whichfoils) {
350: if ($target ne 'tex') {
351: $result.="<br />";
352: } else {
353: $result.='\vskip 0 mm \item ';
354: }
355: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
356: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: ';}
357: } else {
358: $result.='Incorrect:';
359: }
360: if ($target ne 'tex') {
361: $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
362: } else {
363: $result.=$Apache::response::foilgroup{$name.'.text'};
364: }
365: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
366: if ($target ne 'tex') { $result.='</b>';}
367: }
368: }
369: } else {
370: my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
371: my $i = 0;
372: my $temp=0;
373: my $id=$Apache::inputtags::response['-1'];
374: my $part=$Apache::inputtags::part;
375: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
376: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
377: foreach my $name (@whichfoils) {
378: if ($target ne 'tex') {
379: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
380: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
381: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
382: if ($Apache::lonhomework::type eq 'exam') {
383: $result .= '<table border="1"><tr><td>A: Correct</td><td>B: Incorrect</td></tr></table>';
384: }
385: } else {
386: if ($Apache::lonhomework::type eq 'exam') {
387: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
388: $i++;
389: } else {
390: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
391: }
392: }
393: $temp++;
394: }
395: }
396: if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
397: return $result;
398: }
399:
400: sub displayanswers {
401: my ($max,$randomize)=@_;
402: my ($answer,@whichopt) = &whichfoils($max,$randomize);
403: my $result=&Apache::response::answer_header('radiobuttonresponse');
404: foreach my $name (@whichopt) {
405: $result.=&Apache::response::answer_part('radiobuttonresponse',
406: $Apache::response::foilgroup{$name.'.value'})
407: }
408: $result.=&Apache::response::answer_footer('radiobuttonresponse');
409: return $result;
410: }
411:
412: sub start_conceptgroup {
413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
414: $Apache::radiobuttonresponse::conceptgroup=1;
415: %Apache::response::conceptgroup=();
416: my $result;
417: if ($target eq 'edit') {
418: $result.=&Apache::edit::tag_start($target,$token);
419: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
420: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
421: } elsif ($target eq 'modified') {
422: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
423: $safeeval,'concept');
424: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
425: }
426: return $result;
427: }
428:
429: sub end_conceptgroup {
430: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
431: $Apache::radiobuttonresponse::conceptgroup=0;
432: my $result;
433: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
434: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
435: my @names = @{ $Apache::response::conceptgroup{'names'} };
436: my $pick=int(&Math::Random::random_uniform() * ($#names+1));
437: my $name=$names[$pick];
438: push @{ $Apache::response::foilgroup{'names'} }, $name;
439: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
440: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
441: $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
442: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
443: $Apache::response::foilgroup{"$name.concept"} = $concept;
444: &Apache::lonxml::debug("Selecting $name in $concept");
445: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
446: push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
447: $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
448: $Apache::response::conceptgroup{'names'};
449: }
450: } elsif ($target eq 'edit') {
451: $result=&Apache::edit::end_table();
452: }
453: return $result;
454: }
455:
456: sub insert_conceptgroup {
457: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
458: return $result;
459: }
460:
461: sub start_foil {
462: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
463: my $result='';
464: if ($target eq 'web' || $target eq 'tex') {
465: &Apache::lonxml::startredirection;
466: } elsif ($target eq 'edit') {
467: $result=&Apache::edit::tag_start($target,$token);
468: $result.=&Apache::edit::text_arg('Name:','name',$token);
469: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
470: ['unused','true','false'],$token);
471: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
472: $safeeval,'-3');
473: if ($randomize ne 'no') {
474: $result.=&Apache::edit::select_arg('Location:','location',
475: ['random','top','bottom'],$token);
476: }
477: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
478: } elsif ($target eq 'modified') {
479: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
480: 'value','name','location');
481: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
482: }
483: return $result;
484: }
485:
486: sub end_foil {
487: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
488: my $text='';
489: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
490: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
491: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
492: if ($value ne 'unused') {
493: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
494: my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
495: if (!$name) { $name=$Apache::lonxml::curdepth; }
496: if ( $Apache::radiobuttonresponse::conceptgroup
497: && !&Apache::response::showallfoils() ) {
498: push @{ $Apache::response::conceptgroup{'names'} }, $name;
499: $Apache::response::conceptgroup{"$name.value"} = $value;
500: $Apache::response::conceptgroup{"$name.text"} = $text;
501: $Apache::response::conceptgroup{"$name.location"} = $location;
502: } else {
503: push @{ $Apache::response::foilgroup{'names'} }, $name;
504: $Apache::response::foilgroup{"$name.value"} = $value;
505: $Apache::response::foilgroup{"$name.text"} = $text;
506: $Apache::response::foilgroup{"$name.location"} = $location;
507: }
508: }
509: }
510: return '';
511: }
512:
513: sub insert_foil {
514: return '
515: <foil name="" value="unused">
516: <startouttext />
517: <endouttext />
518: </foil>';
519: }
520: 1;
521: __END__
522:
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