1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.40 2002/05/03 19:44:13 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:
33: BEGIN {
34: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
35: }
36:
37: sub start_radiobuttonresponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
39: my $result;
40: #when in a radiobutton response use these
41: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
42: push (@Apache::lonxml::namespace,'radiobuttonresponse');
43: my $id = &Apache::response::start_response($parstack,$safeeval);
44: if ($target eq 'meta') {
45: $result=&Apache::response::meta_package_write('radiobuttonresponse');
46: } elsif ($target eq 'edit' ) {
47: $result.=&Apache::edit::start_table($token).
48: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
49: &Apache::edit::deletelist($target,$token)
50: ."</td><td> ".&Apache::edit::end_row()
51: .&Apache::edit::start_spanning_row();
52:
53: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
54: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
55: } elsif ($target eq 'modified') {
56: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
57: $safeeval,'max');
58: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
59: } elsif ($target eq 'tex') {
60: $result .= '\begin{enumerate}';
61: }
62: return $result;
63: }
64:
65: sub end_radiobuttonresponse {
66: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
67: my $result;
68: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
69: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
70: &Apache::response::end_response;
71: pop @Apache::lonxml::namespace;
72: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
73: return $result;
74: }
75:
76: %Apache::response::foilgroup={};
77: sub start_foilgroup {
78: %Apache::response::foilgroup={};
79: $Apache::radiobuttonresponse::conceptgroup=0;
80: &Apache::response::setrandomnumber();
81: return '';
82: }
83:
84: sub storesurvey {
85: if ( !defined($ENV{'form.submitted'})) { return ''; }
86: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
87: &Apache::lonxml::debug("Here I am!:$response:");
88: if ( $response !~ /[0-9]+/) { return ''; }
89: my $id = $Apache::inputtags::response['-1'];
90: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
91: my %responsehash;
92: $responsehash{$whichfoils[$response]}=$response;
93: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
94: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
95: &Apache::lonxml::debug("submitted a $response<br />\n");
96: return '';
97: }
98:
99: sub grade_response {
100: my ($max,$answer)=@_;
101: if (!defined($ENV{'form.submitted'})) { return; }
102: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
103: if ( $response !~ /[0-9]+/) { return; }
104: my $part=$Apache::inputtags::part;
105: my $id = $Apache::inputtags::response['-1'];
106: my @whichfoils=&whichfoils($max,$answer);
107: my %responsehash;
108: $responsehash{$whichfoils[$response]}=$response;
109: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
110: my %previous=&Apache::response::check_for_previous($responsestr,
111: $part,$id);
112: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
113: $responsestr;
114: &Apache::lonxml::debug("submitted a $response<br />\n");
115: my $ad;
116: if ($response == $answer) {
117: $ad='EXACT_ANS';
118: } else {
119: $ad='INCORRECT';
120: }
121: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
122: &Apache::response::handle_previous(\%previous,$ad);
123: }
124:
125: sub end_foilgroup {
126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
127:
128: my $result;
129: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
130: my $style = $Apache::lonhomework::type;
131: if ( $style eq 'survey' ) {
132: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
133: $result=&displayallfoils();
134: } elsif ( $target eq 'grade' ) {
135: $result=&storesurvey();
136: }
137: } else {
138: my $name;
139: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
140: my $count=0;
141: # we will add in 1 of the true statements
142: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
143: my $answer = int(rand ($count));
144: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
145: if ($target eq 'web' || $target eq 'tex') {
146: $result=&displayfoils($target,$max,$answer);
147: } elsif ($target eq 'answer' ) {
148: $result=&displayanswers($max,$answer);
149: } elsif ( $target eq 'grade') {
150: &grade_response($max,$answer);
151: }
152: }
153: }
154: return $result;
155: }
156:
157: sub getfoilcounts {
158: my ($parstack,$safeeval)=@_;
159: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
160: my @names;
161: my $truecnt=0;
162: my $falsecnt=0;
163: my $name;
164: if ( $Apache::response::foilgroup{'names'} ) {
165: @names= @{ $Apache::response::foilgroup{'names'} };
166: }
167: foreach $name (@names) {
168: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
169: $truecnt++;
170: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
171: $falsecnt++;
172: }
173: }
174: return ($truecnt,$falsecnt,$max);
175: }
176:
177: sub displayallfoils {
178: my $result;
179: &Apache::lonxml::debug("survey style display");
180: my @names = @{ $Apache::response::foilgroup{'names'} };
181: my $temp=0;
182: my $id=$Apache::inputtags::response['-1'];
183: my $part=$Apache::inputtags::part;
184: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
185: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
186: &Apache::lonhomework::showhash(%lastresponse);
187: foreach my $name (@names) {
188: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
189: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
190: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
191: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
192: $temp++;
193: }
194: }
195: return $result;
196: }
197:
198: sub whichfoils {
199: my ($max,$answer)=@_;
200:
201: my @truelist;
202: my @falselist;
203:
204: my @names;
205: if ( $Apache::response::foilgroup{'names'} ) {
206: @names= @{ $Apache::response::foilgroup{'names'} };
207: }
208: foreach my $name (@names) {
209: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
210: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
211: push (@truelist,$name);
212: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
213: push (@falselist,$name);
214: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
215: } else {
216: &Apache::lonxml::error(&HTML::Entites::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
217: }
218: }
219: my $whichtrue = int(rand($#truelist+1));
220: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
221: my @whichfalse =();
222: while ((($#whichfalse+1) < $max-1) && ($#falselist > -1)) {
223: &Apache::lonxml::debug("Have $#whichfalse max is $max");
224: my $afalse=int(rand($#falselist+1));
225: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
226: $afalse=splice(@falselist,$afalse,1);
227: &Apache::lonxml::debug("Picked $afalse");
228: push (@whichfalse,$afalse);
229: }
230: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
231: &Apache::lonxml::debug("the true statement is $answer");
232: return @whichfalse;
233: }
234:
235: sub displayfoils {
236: my ($target,$max,$answer)=@_;
237: my $result;
238:
239: my @whichfoils=&whichfoils($max,$answer);
240: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
241: foreach my $name (@whichfoils) {
242: if ($target ne 'tex') {
243: $result.="<br />";
244: }
245: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
246: $result.='Correct';
247: } else {
248: $result.='Incorrect';
249: }
250: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
251: }
252: } else {
253: my $temp=0;
254: my $id=$Apache::inputtags::response['-1'];
255: my $part=$Apache::inputtags::part;
256: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
257: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
258: foreach my $name (@whichfoils) {
259: if ($target ne 'tex') {
260: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
261: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
262: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
263: } else {
264: $result .= $Apache::response::foilgroup{$name.'.text'};
265: }
266: $temp++;
267: }
268: }
269: if ($target ne 'tex') { $result.="<br />"; }
270: return $result;
271: }
272:
273: sub displayanswers {
274: my ($max,$answer)=@_;
275: my @whichopt = &whichfoils($max,$answer);
276: my $result=&Apache::response::answer_header('radiobuttonresponse');
277: foreach my $name (@whichopt) {
278: $result.=&Apache::response::answer_part('radiobuttonresponse',
279: $Apache::response::foilgroup{$name.'.value'})
280: }
281: $result.=&Apache::response::answer_footer('radiobuttonresponse');
282: return $result;
283: }
284:
285: sub start_conceptgroup {
286: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
287: $Apache::radiobuttonresponse::conceptgroup=1;
288: %Apache::response::conceptgroup={};
289: my $result;
290: if ($target eq 'edit') {
291: $result.=&Apache::edit::tag_start($target,$token);
292: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
293: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
294: } elsif ($target eq 'modified') {
295: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
296: $safeeval,'concept');
297: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
298: }
299: return $result;
300: }
301:
302: sub end_conceptgroup {
303: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
304: $Apache::radiobuttonresponse::conceptgroup=0;
305: my $result;
306: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
307: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
308: my @names = @{ $Apache::response::conceptgroup{'names'} };
309: my $pick=int(rand($#names+1));
310: my $name=$names[$pick];
311: push @{ $Apache::response::foilgroup{'names'} }, $name;
312: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
313: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
314: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
315: $Apache::response::foilgroup{"$name.concept"} = $concept;
316: &Apache::lonxml::debug("Selecting $name in $concept");
317: }
318: } elsif ($target eq 'edit') {
319: $result=&Apache::edit::end_table();
320: }
321: return $result;
322: }
323:
324: sub insert_conceptgroup {
325: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
326: return $result;
327: }
328:
329: sub start_foil {
330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
331: my $result='';
332: if ($target eq 'web' || $target eq 'tex') {
333: &Apache::lonxml::startredirection;
334: if ($target eq 'tex') {
335: $result .= '\item ';
336: }
337: } elsif ($target eq 'edit') {
338: $result=&Apache::edit::tag_start($target,$token);
339: $result.=&Apache::edit::text_arg('Name:','name',$token);
340: $result.=&Apache::edit::select_arg('Correct Option:','value',
341: ['unused','true','false'],$token);
342: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
343: } elsif ($target eq 'modified') {
344: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
345: 'value','name');
346: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
347: }
348: return $result;
349: }
350:
351: sub end_foil {
352: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
353: my $text='';
354: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
355: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
356: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
357: if ($value ne 'unused') {
358: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
359: if (!$name) { $name=$Apache::lonxml::curdepth; }
360: if ( $Apache::radiobuttonresponse::conceptgroup ) {
361: push @{ $Apache::response::conceptgroup{'names'} }, $name;
362: $Apache::response::conceptgroup{"$name.value"} = $value;
363: $Apache::response::conceptgroup{"$name.text"} = $text;
364: } else {
365: push @{ $Apache::response::foilgroup{'names'} }, $name;
366: $Apache::response::foilgroup{"$name.value"} = $value;
367: $Apache::response::foilgroup{"$name.text"} = $text;
368: }
369: }
370: }
371: return '';
372: }
373:
374: sub insert_foil {
375: return '
376: <foil name="" value="unused">
377: <startouttext />
378: <endouttext />
379: </foil>';
380: }
381: 1;
382: __END__
383:
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