1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
3: # 2/21 Guy
4:
5: package Apache::radiobuttonresponse;
6: use strict;
7:
8: sub BEGIN {
9: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
10: }
11:
12: sub start_radiobuttonresponse {
13: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
14: #when in a radiobutton response use these
15: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
16: my $id = &Apache::response::start_response($parstack,$safeeval);
17: return '';
18: }
19:
20: sub end_radiobuttonresponse {
21: &Apache::response::end_response;
22: return '';
23: }
24:
25: %Apache::response::foilgroup={};
26: sub start_foilgroup {
27: %Apache::response::foilgroup={};
28: $Apache::radiobuttonresponse::conceptgroup=0;
29: &Apache::response::setrandomnumber();
30: return '';
31: }
32:
33: sub storesurvey {
34: if ( defined $ENV{'form.submitted'}) {
35: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
36: &Apache::lonxml::debug("Here I am!:$response:");
37: if ( $response =~ /[^\s]/) {
38: my $id = $Apache::inputtags::response['-1'];
39: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
40: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
41: &Apache::lonxml::debug("submitted a $response<br />\n");
42: }
43: }
44: return '';
45: }
46:
47: sub end_foilgroup {
48: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
49:
50: my $result;
51: if ($target ne 'meta') {
52: my $rrargs ='';
53: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
54: my $style = &Apache::run::run("{$rrargs;".'return $style}',$safeeval);
55: if ( $style eq 'survey' ) {
56: if ($target eq 'web') {
57: $result=&displayallfoils();
58: } elsif ( $target eq 'grade' ) {
59: $result=&storesurvey();
60: }
61: } else {
62: my $name;
63: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
64: my $count=0;
65: # we will add in 1 of the true statements
66: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
67: my $answer = int(rand ($count));
68: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
69: if ($target eq 'web') {
70: $result=&displayfoils($max,$answer);
71: } elsif ( $target eq 'grade') {
72: if ( defined $ENV{'form.submitted'}) {
73: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
74: if ( $response =~ /[^\s]/) {
75: my $id = $Apache::inputtags::response['-1'];
76: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
77: &Apache::lonxml::debug("submitted a $response<br />\n");
78: if ($response == $answer) {
79: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
80: } else {
81: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
82: }
83: }
84: }
85: }
86: }
87: }
88: return $result;
89: }
90:
91: sub getfoilcounts {
92: my ($parstack,$safeeval)=@_;
93: my $rrargs ='';
94: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
95: my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
96: my @names = @{ $Apache::response::foilgroup{'names'} };
97: my $truecnt=0;
98: my $falsecnt=0;
99: my $name;
100:
101: foreach $name (@names) {
102: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
103: $truecnt++;
104: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
105: $falsecnt++;
106: }
107: }
108: return ($truecnt,$falsecnt,$max);
109: }
110:
111: sub displayallfoils {
112: my $result;
113: &Apache::lonxml::debug("survey style display");
114: my @names = @{ $Apache::response::foilgroup{'names'} };
115: my $temp=0;
116: my $id=$Apache::inputtags::response['-1'];
117: my $part=$Apache::inputtags::part;
118: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
119: foreach my $name (@names) {
120: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
121: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
122: if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
123: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
124: $temp++;
125: }
126: }
127: return $result;
128: }
129:
130: sub displayfoils {
131: my ($max,$answer)=@_;
132: my @names = @{ $Apache::response::foilgroup{'names'} };
133: my @truelist;
134: my @falselist;
135: my $result;
136: my $name;
137:
138: foreach $name (@names) {
139: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
140: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
141: push (@truelist,$name);
142: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
143: push (@falselist,$name);
144: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
145: } else {
146: &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
147: }
148: }
149: my $whichtrue = int(rand($#truelist+1));
150: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
151: my @whichfalse =();
152: while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
153: &Apache::lonxml::debug("Have $#whichfalse max is $max");
154: my $afalse=int(rand($#falselist+1));
155: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
156: $afalse=splice(@falselist,$afalse,1);
157: &Apache::lonxml::debug("Picked $afalse");
158: push (@whichfalse,$afalse);
159: }
160: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
161: &Apache::lonxml::debug("the true statement is $answer");
162: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
163: foreach $name (@whichfalse) {
164: $result.="<br />";
165: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
166: $result.='Correct';
167: } else {
168: $result.='Incorrect';
169: }
170: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
171: }
172: } else {
173: my $temp=0;
174: my $id=$Apache::inputtags::response['-1'];
175: my $part=$Apache::inputtags::part;
176: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
177: foreach $name (@whichfalse) {
178: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
179: if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
180: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
181: $temp++;
182: }
183: }
184: return $result."<br />";
185: }
186:
187: sub start_conceptgroup {
188: $Apache::radiobuttonresponse::conceptgroup=1;
189: %Apache::response::conceptgroup={};
190: return '';
191: }
192:
193: sub end_conceptgroup {
194: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
195: $Apache::radiobuttonresponse::conceptgroup=0;
196: if ($target eq 'web' || $target eq 'grade') {
197: my @names = @{ $Apache::response::conceptgroup{'names'} };
198: my $pick=int rand $#names+1;
199: my $name=$names[$pick];
200: push @{ $Apache::response::foilgroup{'names'} }, $name;
201: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
202: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
203: my $args;
204: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
205: my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
206: $Apache::response::foilgroup{"$name.concept"} = $concept;
207: &Apache::lonxml::debug("Selecting $name in $concept");
208: }
209: return '';
210: }
211:
212: sub start_foil {
213: &Apache::lonxml::startredirection;
214: return '';
215: }
216:
217: sub end_foil {
218: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
219: my $text='';
220: if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
221: if ($target eq 'web' || $target eq 'grade') {
222: my $args ='';
223: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
224: my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
225: if ($value ne 'unused') {
226: my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
227: if ( $Apache::radiobuttonresponse::conceptgroup ) {
228: push @{ $Apache::response::conceptgroup{'names'} }, $name;
229: $Apache::response::conceptgroup{"$name.value"} = $value;
230: $Apache::response::conceptgroup{"$name.text"} = $text;
231: } else {
232: push @{ $Apache::response::foilgroup{'names'} }, $name;
233: $Apache::response::foilgroup{"$name.value"} = $value;
234: $Apache::response::foilgroup{"$name.text"} = $text;
235: }
236: }
237: }
238: return '';
239: }
240:
241: 1;
242: __END__
243:
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