1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.42 2002/07/17 18:06:18 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,$safeeval);
45: if ($target eq 'meta') {
46: $result=&Apache::response::meta_package_write('radiobuttonresponse');
47: } elsif ($target eq 'edit' ) {
48: $result.=&Apache::edit::start_table($token).
49: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
50: &Apache::edit::deletelist($target,$token)
51: ."</td><td> ".&Apache::edit::end_row()
52: .&Apache::edit::start_spanning_row();
53:
54: $result.=&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
55: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
56: } elsif ($target eq 'modified') {
57: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
58: $safeeval,'max');
59: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
60: } elsif ($target eq 'tex') {
61: $result .= '\begin{enumerate}';
62: }
63: return $result;
64: }
65:
66: sub end_radiobuttonresponse {
67: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
68: my $result;
69: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
70: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
71: &Apache::response::end_response;
72: pop @Apache::lonxml::namespace;
73: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
74: return $result;
75: }
76:
77: %Apache::response::foilgroup={};
78: sub start_foilgroup {
79: %Apache::response::foilgroup={};
80: $Apache::radiobuttonresponse::conceptgroup=0;
81: &Apache::response::setrandomnumber();
82: return '';
83: }
84:
85: sub storesurvey {
86: if ( !defined($ENV{'form.submitted'})) { return ''; }
87: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
88: &Apache::lonxml::debug("Here I am!:$response:");
89: if ( $response !~ /[0-9]+/) { return ''; }
90: my $id = $Apache::inputtags::response['-1'];
91: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
92: my %responsehash;
93: $responsehash{$whichfoils[$response]}=$response;
94: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
95: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
96: &Apache::lonxml::debug("submitted a $response<br />\n");
97: return '';
98: }
99:
100: sub grade_response {
101: my ($max,$answer)=@_;
102: if (!defined($ENV{'form.submitted'})) { return; }
103: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
104: if ( $response !~ /[0-9]+/) { return; }
105: my $part=$Apache::inputtags::part;
106: my $id = $Apache::inputtags::response['-1'];
107: my @whichfoils=&whichfoils($max,$answer);
108: my %responsehash;
109: $responsehash{$whichfoils[$response]}=$response;
110: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
111: my %previous=&Apache::response::check_for_previous($responsestr,
112: $part,$id);
113: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
114: $responsestr;
115: &Apache::lonxml::debug("submitted a $response<br />\n");
116: my $ad;
117: if ($response == $answer) {
118: $ad='EXACT_ANS';
119: } else {
120: $ad='INCORRECT';
121: }
122: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
123: &Apache::response::handle_previous(\%previous,$ad);
124: }
125:
126: sub end_foilgroup {
127: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
128:
129: my $result;
130: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
131: my $style = $Apache::lonhomework::type;
132: if ( $style eq 'survey' ) {
133: if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
134: $result=&displayallfoils();
135: } elsif ( $target eq 'grade' ) {
136: $result=&storesurvey();
137: }
138: } else {
139: my $name;
140: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
141: my $count=0;
142: # we will add in 1 of the true statements
143: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
144: my $answer = int(rand ($count));
145: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
146: if ($target eq 'web' || $target eq 'tex') {
147: $result=&displayfoils($target,$max,$answer);
148: } elsif ($target eq 'answer' ) {
149: $result=&displayanswers($max,$answer);
150: } elsif ( $target eq 'grade') {
151: &grade_response($max,$answer);
152: }
153: }
154: }
155: return $result;
156: }
157:
158: sub getfoilcounts {
159: my ($parstack,$safeeval)=@_;
160: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
161: my @names;
162: my $truecnt=0;
163: my $falsecnt=0;
164: my $name;
165: if ( $Apache::response::foilgroup{'names'} ) {
166: @names= @{ $Apache::response::foilgroup{'names'} };
167: }
168: foreach $name (@names) {
169: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
170: $truecnt++;
171: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
172: $falsecnt++;
173: }
174: }
175: return ($truecnt,$falsecnt,$max);
176: }
177:
178: sub displayallfoils {
179: my $result;
180: &Apache::lonxml::debug("survey style display");
181: my @names = @{ $Apache::response::foilgroup{'names'} };
182: my $temp=0;
183: my $id=$Apache::inputtags::response['-1'];
184: my $part=$Apache::inputtags::part;
185: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
186: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
187: &Apache::lonhomework::showhash(%lastresponse);
188: foreach my $name (@names) {
189: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
190: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
191: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
192: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
193: $temp++;
194: }
195: }
196: return $result;
197: }
198:
199: sub whichfoils {
200: my ($max,$answer)=@_;
201:
202: my @truelist;
203: my @falselist;
204: my @whichfalse =();
205:
206: my @names;
207: if ( $Apache::response::foilgroup{'names'} ) {
208: @names= @{ $Apache::response::foilgroup{'names'} };
209: }
210: if (&Apache::response::showallfoils()) {
211: @whichfalse=@names;
212: } else {
213: foreach my $name (@names) {
214: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
215: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
216: push (@truelist,$name);
217: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
218: push (@falselist,$name);
219: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
220: } else {
221: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
222: }
223: }
224: my $whichtrue = int(rand($#truelist+1));
225: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
226: while ((($#whichfalse+1) < $max-1) && ($#falselist > -1)) {
227: &Apache::lonxml::debug("Have $#whichfalse max is $max");
228: my $afalse=int(rand($#falselist+1));
229: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
230: $afalse=splice(@falselist,$afalse,1);
231: &Apache::lonxml::debug("Picked $afalse");
232: push (@whichfalse,$afalse);
233: }
234: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
235: &Apache::lonxml::debug("the true statement is $answer");
236: }
237: return @whichfalse;
238: }
239:
240: sub displayfoils {
241: my ($target,$max,$answer)=@_;
242: my $result;
243:
244: my @whichfoils=&whichfoils($max,$answer);
245: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
246: foreach my $name (@whichfoils) {
247: if ($target ne 'tex') {
248: $result.="<br />";
249: }
250: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
251: $result.='Correct';
252: } else {
253: $result.='Incorrect';
254: }
255: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
256: }
257: } else {
258: my $temp=0;
259: my $id=$Apache::inputtags::response['-1'];
260: my $part=$Apache::inputtags::part;
261: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
262: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
263: foreach my $name (@whichfoils) {
264: if ($target ne 'tex') {
265: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
266: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
267: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
268: } else {
269: $result .= $Apache::response::foilgroup{$name.'.text'};
270: }
271: $temp++;
272: }
273: }
274: if ($target ne 'tex') { $result.="<br />"; }
275: return $result;
276: }
277:
278: sub displayanswers {
279: my ($max,$answer)=@_;
280: my @whichopt = &whichfoils($max,$answer);
281: my $result=&Apache::response::answer_header('radiobuttonresponse');
282: foreach my $name (@whichopt) {
283: $result.=&Apache::response::answer_part('radiobuttonresponse',
284: $Apache::response::foilgroup{$name.'.value'})
285: }
286: $result.=&Apache::response::answer_footer('radiobuttonresponse');
287: return $result;
288: }
289:
290: sub start_conceptgroup {
291: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
292: $Apache::radiobuttonresponse::conceptgroup=1;
293: %Apache::response::conceptgroup={};
294: my $result;
295: if ($target eq 'edit') {
296: $result.=&Apache::edit::tag_start($target,$token);
297: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
298: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
299: } elsif ($target eq 'modified') {
300: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
301: $safeeval,'concept');
302: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
303: }
304: return $result;
305: }
306:
307: sub end_conceptgroup {
308: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
309: $Apache::radiobuttonresponse::conceptgroup=0;
310: my $result;
311: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
312: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
313: my @names = @{ $Apache::response::conceptgroup{'names'} };
314: my $pick=int(rand($#names+1));
315: my $name=$names[$pick];
316: push @{ $Apache::response::foilgroup{'names'} }, $name;
317: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
318: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
319: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
320: $Apache::response::foilgroup{"$name.concept"} = $concept;
321: &Apache::lonxml::debug("Selecting $name in $concept");
322: }
323: } elsif ($target eq 'edit') {
324: $result=&Apache::edit::end_table();
325: }
326: return $result;
327: }
328:
329: sub insert_conceptgroup {
330: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
331: return $result;
332: }
333:
334: sub start_foil {
335: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
336: my $result='';
337: if ($target eq 'web' || $target eq 'tex') {
338: &Apache::lonxml::startredirection;
339: if ($target eq 'tex') {
340: $result .= '\item ';
341: }
342: } elsif ($target eq 'edit') {
343: $result=&Apache::edit::tag_start($target,$token);
344: $result.=&Apache::edit::text_arg('Name:','name',$token);
345: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
346: ['unused','true','false'],$token);
347: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
348: } elsif ($target eq 'modified') {
349: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
350: 'value','name');
351: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
352: }
353: return $result;
354: }
355:
356: sub end_foil {
357: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
358: my $text='';
359: if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
360: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
361: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
362: if ($value ne 'unused') {
363: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
364: if (!$name) { $name=$Apache::lonxml::curdepth; }
365: if ( $Apache::radiobuttonresponse::conceptgroup
366: && !&Apache::response::showallfoils() ) {
367: push @{ $Apache::response::conceptgroup{'names'} }, $name;
368: $Apache::response::conceptgroup{"$name.value"} = $value;
369: $Apache::response::conceptgroup{"$name.text"} = $text;
370: } else {
371: push @{ $Apache::response::foilgroup{'names'} }, $name;
372: $Apache::response::foilgroup{"$name.value"} = $value;
373: $Apache::response::foilgroup{"$name.text"} = $text;
374: }
375: }
376: }
377: return '';
378: }
379:
380: sub insert_foil {
381: return '
382: <foil name="" value="unused">
383: <startouttext />
384: <endouttext />
385: </foil>';
386: }
387: 1;
388: __END__
389:
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