1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: #
4: # $Id: radiobuttonresponse.pm,v 1.35 2002/01/11 16:32:29 matthew 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> ".&Apache::edit::end_row()
51: .&Apache::edit::start_spanning_row();
52:
53: $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$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: }
60: return $result;
61: }
62:
63: sub end_radiobuttonresponse {
64: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
65: my $result;
66: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
67: &Apache::response::end_response;
68: pop @Apache::lonxml::namespace;
69: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
70: return $result;
71: }
72:
73: %Apache::response::foilgroup={};
74: sub start_foilgroup {
75: %Apache::response::foilgroup={};
76: $Apache::radiobuttonresponse::conceptgroup=0;
77: &Apache::response::setrandomnumber();
78: return '';
79: }
80:
81: sub storesurvey {
82: if ( !defined($ENV{'form.submitted'})) { return ''; }
83: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
84: &Apache::lonxml::debug("Here I am!:$response:");
85: if ( $response !~ /[0-9]+/) { return ''; }
86: my $id = $Apache::inputtags::response['-1'];
87: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
88: my %responsehash;
89: $responsehash{$whichfoils[$response]}=$response;
90: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
91: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
92: &Apache::lonxml::debug("submitted a $response<br />\n");
93: return '';
94: }
95:
96: sub grade_response {
97: my ($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;
158: my $truecnt=0;
159: my $falsecnt=0;
160: my $name;
161: if ( $Apache::response::foilgroup{'names'} ) {
162: @names= @{ $Apache::response::foilgroup{'names'} };
163: }
164: foreach $name (@names) {
165: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
166: $truecnt++;
167: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
168: $falsecnt++;
169: }
170: }
171: return ($truecnt,$falsecnt,$max);
172: }
173:
174: sub displayallfoils {
175: my $result;
176: &Apache::lonxml::debug("survey style display");
177: my @names = @{ $Apache::response::foilgroup{'names'} };
178: my $temp=0;
179: my $id=$Apache::inputtags::response['-1'];
180: my $part=$Apache::inputtags::part;
181: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
182: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
183: &Apache::lonhomework::showhash(%lastresponse);
184: foreach my $name (@names) {
185: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
186: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
187: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
188: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
189: $temp++;
190: }
191: }
192: return $result;
193: }
194:
195: sub whichfoils {
196: my ($max,$answer)=@_;
197:
198: my @truelist;
199: my @falselist;
200:
201: my @names;
202: if ( $Apache::response::foilgroup{'names'} ) {
203: @names= @{ $Apache::response::foilgroup{'names'} };
204: }
205: foreach my $name (@names) {
206: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
207: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
208: push (@truelist,$name);
209: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
210: push (@falselist,$name);
211: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
212: } else {
213: &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
214: }
215: }
216: my $whichtrue = int(rand($#truelist+1));
217: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
218: my @whichfalse =();
219: while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
220: &Apache::lonxml::debug("Have $#whichfalse max is $max");
221: my $afalse=int(rand($#falselist+1));
222: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
223: $afalse=splice(@falselist,$afalse,1);
224: &Apache::lonxml::debug("Picked $afalse");
225: push (@whichfalse,$afalse);
226: }
227: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
228: &Apache::lonxml::debug("the true statement is $answer");
229: return @whichfalse;
230: }
231:
232: sub displayfoils {
233: my ($max,$answer)=@_;
234: my $result;
235:
236: my @whichfoils=&whichfoils($max,$answer);
237: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
238: foreach my $name (@whichfoils) {
239: $result.="<br />";
240: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
241: $result.='Correct';
242: } else {
243: $result.='Incorrect';
244: }
245: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
246: }
247: } else {
248: my $temp=0;
249: my $id=$Apache::inputtags::response['-1'];
250: my $part=$Apache::inputtags::part;
251: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
252: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
253: foreach my $name (@whichfoils) {
254: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
255: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
256: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
257: $temp++;
258: }
259: }
260: return $result."<br />";
261: }
262:
263: sub displayanswers {
264: my ($max,$answer)=@_;
265: my @whichopt = &whichfoils($max,$answer);
266: my $result=&Apache::response::answer_header('radiobuttonresponse');
267: foreach my $name (@whichopt) {
268: $result.=&Apache::response::answer_part('radiobuttonresponse',
269: $Apache::response::foilgroup{$name.'.value'})
270: }
271: $result.=&Apache::response::answer_footer('radiobuttonresponse');
272: return $result;
273: }
274:
275: sub start_conceptgroup {
276: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
277: $Apache::radiobuttonresponse::conceptgroup=1;
278: %Apache::response::conceptgroup={};
279: my $result;
280: if ($target eq 'edit') {
281: $result.=&Apache::edit::tag_start($target,$token);
282: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
283: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
284: } elsif ($target eq 'modified') {
285: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
286: $safeeval,'concept');
287: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
288: }
289: return $result;
290: }
291:
292: sub end_conceptgroup {
293: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
294: $Apache::radiobuttonresponse::conceptgroup=0;
295: my $result;
296: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
297: if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
298: my @names = @{ $Apache::response::conceptgroup{'names'} };
299: my $pick=int(rand($#names+1));
300: my $name=$names[$pick];
301: push @{ $Apache::response::foilgroup{'names'} }, $name;
302: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
303: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
304: my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
305: $Apache::response::foilgroup{"$name.concept"} = $concept;
306: &Apache::lonxml::debug("Selecting $name in $concept");
307: }
308: } elsif ($target eq 'edit') {
309: $result=&Apache::edit::end_table();
310: }
311: return $result;
312: }
313:
314: sub insert_conceptgroup {
315: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
316: return $result;
317: }
318:
319: sub start_foil {
320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
321: my $result='';
322: if ($target eq 'web') {
323: &Apache::lonxml::startredirection;
324: } elsif ($target eq 'edit') {
325: $result=&Apache::edit::tag_start($target,$token);
326: $result.=&Apache::edit::text_arg('Name:','name',$token);
327: $result.=&Apache::edit::select_arg('Correct Option:','value',
328: ['unused','true','false'],$token);
329: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
330: } elsif ($target eq 'modified') {
331: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
332: 'value','name');
333: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
334: }
335: return $result;
336: }
337:
338: sub end_foil {
339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
340: my $text='';
341: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
342: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
343: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
344: if ($value ne 'unused') {
345: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
346: if (!$name) { $name=$Apache::lonxml::curdepth; }
347: if ( $Apache::radiobuttonresponse::conceptgroup ) {
348: push @{ $Apache::response::conceptgroup{'names'} }, $name;
349: $Apache::response::conceptgroup{"$name.value"} = $value;
350: $Apache::response::conceptgroup{"$name.text"} = $text;
351: } else {
352: push @{ $Apache::response::foilgroup{'names'} }, $name;
353: $Apache::response::foilgroup{"$name.value"} = $value;
354: $Apache::response::foilgroup{"$name.text"} = $text;
355: }
356: }
357: }
358: return '';
359: }
360:
361: sub insert_foil {
362: return '
363: <foil name="" value="unused">
364: <startouttext />
365: <endouttext />
366: </foil>';
367: }
368: 1;
369: __END__
370:
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