1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.32 2001/12/13 23:36:39 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: sub 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> </td></tr><tr><td colspan=\"3\">\n";
51: $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').
52: "</td></tr>";
53: $result.="<tr><td colspan=\"3\">\n";
54: } elsif ($target eq 'modified') {
55: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
56: $safeeval,'max');
57: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
58: }
59: return $result;
60: }
61:
62: sub end_radiobuttonresponse {
63: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
64: my $result;
65: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
66: &Apache::response::end_response;
67: pop @Apache::lonxml::namespace;
68: return $result;
69: }
70:
71: %Apache::response::foilgroup={};
72: sub start_foilgroup {
73: %Apache::response::foilgroup={};
74: $Apache::radiobuttonresponse::conceptgroup=0;
75: &Apache::response::setrandomnumber();
76: return '';
77: }
78:
79: sub storesurvey {
80: if ( defined $ENV{'form.submitted'}) {
81: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
82: &Apache::lonxml::debug("Here I am!:$response:");
83: if ( $response =~ /[0-9]+/) {
84: my $id = $Apache::inputtags::response['-1'];
85: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
86: my %responsehash;
87: $responsehash{$whichfoils[$response]}=$response;
88: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
89: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
90: &Apache::lonxml::debug("submitted a $response<br />\n");
91: }
92: }
93: return '';
94: }
95:
96: sub grade_response {
97: my ($max,$answer)=@_;
98: if (!defined($ENV{'form.submitted'})) { return; }
99: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
100: if ( $response !~ /[0-9]+/) { return; }
101: my $part=$Apache::inputtags::part;
102: my $id = $Apache::inputtags::response['-1'];
103: my @whichfoils=&whichfoils($max,$answer);
104: my %responsehash;
105: $responsehash{$whichfoils[$response]}=$response;
106: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
107: my %previous=&Apache::response::check_for_previous($responsestr,
108: $part,$id);
109: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
110: $responsestr;
111: &Apache::lonxml::debug("submitted a $response<br />\n");
112: my $ad;
113: if ($response == $answer) {
114: $ad='EXACT_ANS';
115: } else {
116: $ad='INCORRECT';
117: }
118: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
119: &Apache::response::handle_previous(\%previous,$ad);
120: }
121:
122: sub end_foilgroup {
123: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
124:
125: my $result;
126: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
127: my $style = $Apache::lonhomework::type;
128: if ( $style eq 'survey' ) {
129: if ($target eq 'web' || $target eq 'answer') {
130: $result=&displayallfoils();
131: } elsif ( $target eq 'grade' ) {
132: $result=&storesurvey();
133: }
134: } else {
135: my $name;
136: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
137: my $count=0;
138: # we will add in 1 of the true statements
139: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
140: my $answer = int(rand ($count));
141: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
142: if ($target eq 'web') {
143: $result=&displayfoils($max,$answer);
144: } elsif ($target eq 'answer' ) {
145: $result=&displayanswers($max,$answer);
146: } elsif ( $target eq 'grade') {
147: &grade_response($max,$answer);
148: }
149: }
150: }
151: return $result;
152: }
153:
154: sub getfoilcounts {
155: my ($parstack,$safeeval)=@_;
156: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
157: my @names = @{ $Apache::response::foilgroup{'names'} };
158: my $truecnt=0;
159: my $falsecnt=0;
160: my $name;
161:
162: foreach $name (@names) {
163: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
164: $truecnt++;
165: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
166: $falsecnt++;
167: }
168: }
169: return ($truecnt,$falsecnt,$max);
170: }
171:
172: sub displayallfoils {
173: my $result;
174: &Apache::lonxml::debug("survey style display");
175: my @names = @{ $Apache::response::foilgroup{'names'} };
176: my $temp=0;
177: my $id=$Apache::inputtags::response['-1'];
178: my $part=$Apache::inputtags::part;
179: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
180: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
181: &Apache::lonhomework::showhash(%lastresponse);
182: foreach my $name (@names) {
183: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
184: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
185: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
186: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
187: $temp++;
188: }
189: }
190: return $result;
191: }
192:
193: sub whichfoils {
194: my ($max,$answer)=@_;
195:
196: my @truelist;
197: my @falselist;
198:
199: my @names = @{ $Apache::response::foilgroup{'names'} };
200: foreach my $name (@names) {
201: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
202: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
203: push (@truelist,$name);
204: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
205: push (@falselist,$name);
206: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
207: } else {
208: &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
209: }
210: }
211: my $whichtrue = int(rand($#truelist+1));
212: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
213: my @whichfalse =();
214: while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
215: &Apache::lonxml::debug("Have $#whichfalse max is $max");
216: my $afalse=int(rand($#falselist+1));
217: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
218: $afalse=splice(@falselist,$afalse,1);
219: &Apache::lonxml::debug("Picked $afalse");
220: push (@whichfalse,$afalse);
221: }
222: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
223: &Apache::lonxml::debug("the true statement is $answer");
224: return @whichfalse;
225: }
226:
227: sub displayfoils {
228: my ($max,$answer)=@_;
229: my $result;
230:
231: my @whichfoils=&whichfoils($max,$answer);
232: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
233: foreach my $name (@whichfoils) {
234: $result.="<br />";
235: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
236: $result.='Correct';
237: } else {
238: $result.='Incorrect';
239: }
240: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
241: }
242: } else {
243: my $temp=0;
244: my $id=$Apache::inputtags::response['-1'];
245: my $part=$Apache::inputtags::part;
246: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
247: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
248: foreach my $name (@whichfoils) {
249: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
250: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
251: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
252: $temp++;
253: }
254: }
255: return $result."<br />";
256: }
257:
258: sub displayanswers {
259: my ($max,$answer)=@_;
260: my @names = @{ $Apache::response::foilgroup{'names'} };
261: my @whichopt = &whichfoils($max,$answer);
262: my $result=&Apache::response::answer_header('radiobuttonresponse');
263: foreach my $name (@whichopt) {
264: $result.=&Apache::response::answer_part('radiobuttonresponse',
265: $Apache::response::foilgroup{$name.'.value'})
266: }
267: $result.=&Apache::response::answer_footer('radiobuttonresponse');
268: return $result;
269: }
270:
271: sub start_conceptgroup {
272: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
273: $Apache::radiobuttonresponse::conceptgroup=1;
274: %Apache::response::conceptgroup={};
275: my $result;
276: if ($target eq 'edit') {
277: $result.=&Apache::edit::tag_start($target,$token);
278: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
279: "</td></tr><tr><td colspan=\"3\">\n";
280: } elsif ($target eq 'modified') {
281: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
282: $safeeval,'concept');
283: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
284: }
285: return $result;
286: }
287:
288: sub end_conceptgroup {
289: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
290: $Apache::radiobuttonresponse::conceptgroup=0;
291: my $result;
292: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
293: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
294: my @names = @{ $Apache::response::conceptgroup{'names'} };
295: my $pick=int(rand($#names+1));
296: my $name=$names[$pick];
297: push @{ $Apache::response::foilgroup{'names'} }, $name;
298: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
299: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
300: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
301: $Apache::response::foilgroup{"$name.concept"} = $concept;
302: &Apache::lonxml::debug("Selecting $name in $concept");
303: }
304: } elsif ($target eq 'edit') {
305: $result=&Apache::edit::end_table();
306: }
307: return $result;
308: }
309:
310: sub insert_conceptgroup {
311: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
312: return $result;
313: }
314:
315: sub start_foil {
316: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
317: my $result='';
318: if ($target eq 'web') {
319: &Apache::lonxml::startredirection;
320: } elsif ($target eq 'edit') {
321: $result=&Apache::edit::tag_start($target,$token);
322: $result.=&Apache::edit::text_arg('Name:','name',$token);
323: $result.=&Apache::edit::select_arg('Correct Option:','value',
324: ['unused','true','false'],$token);
325: } elsif ($target eq 'modified') {
326: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
327: 'value','name');
328: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
329: }
330: return $result;
331: }
332:
333: sub end_foil {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
335: my $text='';
336: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
337: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
338: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
339: if ($value ne 'unused') {
340: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
341: if (!$name) { $name=$Apache::lonxml::curdepth; }
342: if ( $Apache::radiobuttonresponse::conceptgroup ) {
343: push @{ $Apache::response::conceptgroup{'names'} }, $name;
344: $Apache::response::conceptgroup{"$name.value"} = $value;
345: $Apache::response::conceptgroup{"$name.text"} = $text;
346: } else {
347: push @{ $Apache::response::foilgroup{'names'} }, $name;
348: $Apache::response::foilgroup{"$name.value"} = $value;
349: $Apache::response::foilgroup{"$name.text"} = $text;
350: }
351: }
352: }
353: return '';
354: }
355:
356: sub insert_foil {
357: return '
358: <foil name="" value="unused">
359: <startouttext />
360: <endouttext />
361: </foil>';
362: }
363: 1;
364: __END__
365:
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