Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.13
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.13 ! albertel 3: # 2/21 Guy
1.1 albertel 4:
5: package Apache::radiobuttonresponse;
6: use strict;
7:
8: sub BEGIN {
1.3 albertel 9: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 10: }
11:
12: sub start_radiobuttonresponse {
1.4 albertel 13: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3 albertel 14: #when in a radiobutton response use these
15: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil'));
1.4 albertel 16: my $id = &Apache::response::start_response($parstack,$safeeval);
17: return '';
1.1 albertel 18: }
19:
20: sub end_radiobuttonresponse {
1.4 albertel 21: &Apache::response::end_response;
22: return '';
1.1 albertel 23: }
24:
25: %Apache::response::foilgroup={};
26: sub start_foilgroup {
27: %Apache::response::foilgroup={};
1.6 albertel 28: return '';
1.1 albertel 29: }
30:
1.5 albertel 31: sub setrandomnumber {
32: my $rndseed=&Apache::lonnet::rndseed();
33: $rndseed=unpack("%32i",$rndseed);
34: $rndseed=$rndseed
35: +&Apache::lonnet::numval($Apache::inputtags::part)
36: +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
37: srand($rndseed);
38: return '';
39: }
40:
1.1 albertel 41: sub end_foilgroup {
42: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 43:
1.1 albertel 44: my $result;
1.7 albertel 45: if ($target ne 'meta') {
46: my $name;
47: &setrandomnumber();
48: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
49: my $count=0;
50: # we will add in 1 of the true statements
51: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
52: my $answer = int(rand ($count));
53: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
54: if ($target eq 'web') {
55: $result=&displayfoils($max,$answer);
56: } elsif ( $target eq 'grade') {
1.8 albertel 57: if ( defined $ENV{'form.submitted'}) {
1.7 albertel 58: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
59: if ( $response =~ /[^\s]/) {
60: my $id = $Apache::inputtags::response['-1'];
61: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
1.12 albertel 62: &Apache::lonxml::debug("submitted a $response<br />\n");
1.7 albertel 63: if ($response == $answer) {
64: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
65: } else {
66: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
67: }
1.5 albertel 68: }
69: }
70: }
71: }
72: return $result;
1.6 albertel 73: }
74:
75: sub getfoilcounts {
76: my ($parstack,$safeeval)=@_;
77: my $rrargs ='';
78: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
79: my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
80: my @names = @{ $Apache::response::foilgroup{'names'} };
81: my $truecnt=0;
82: my $falsecnt=0;
83: my $name;
84:
85: foreach $name (@names) {
86: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
87: $truecnt++;
88: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
89: $falsecnt++;
90: }
91: }
92: return ($truecnt,$falsecnt,$max);
1.5 albertel 93: }
94:
95: sub displayfoils {
96: my ($max,$answer)=@_;
1.3 albertel 97: my @names = @{ $Apache::response::foilgroup{'names'} };
98: my @truelist;
99: my @falselist;
1.5 albertel 100: my $result;
101: my $name;
102:
1.3 albertel 103: foreach $name (@names) {
1.12 albertel 104: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
1.3 albertel 105: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
106: push (@truelist,$name);
107: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
108: push (@falselist,$name);
109: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
110: } else {
1.5 albertel 111: &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
1.3 albertel 112: }
1.1 albertel 113: }
1.3 albertel 114: my $whichtrue = rand $#truelist;
1.4 albertel 115: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
116: my @whichfalse =();
117: while ((($#whichfalse+2) < $max) && ($#falselist > -1)) {
118: my $afalse=rand $#falselist;
119: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
120: $afalse=splice(@falselist,$afalse,1);
121: &Apache::lonxml::debug("Picked $afalse");
122: push (@whichfalse,$afalse);
123: }
1.5 albertel 124: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
125: &Apache::lonxml::debug("the true statement is $answer");
1.10 albertel 126: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
127: foreach $name (@whichfalse) {
1.11 albertel 128: $result.="<br />";
129: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
130: $result.='Correct';
131: } else {
132: $result.='Incorrect';
133: }
134: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
1.10 albertel 135: }
136: } else {
137: my $temp=0;
138: foreach $name (@whichfalse) {
139: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\">".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
140: $temp++;
141: }
1.4 albertel 142: }
1.5 albertel 143: return $result."<br />";
1.1 albertel 144: }
145:
146: sub start_foil {
1.13 ! albertel 147: &Apache::lonxml::startredirection;
1.5 albertel 148: return '';
1.1 albertel 149: }
150:
151: sub end_foil {
152: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.13 ! albertel 153: my $foil=&Apache::lonxml::endredirection;
1.3 albertel 154: if ($target eq 'web' || $target eq 'grade') {
155: my $args ='';
156: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
157: my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
158: push @{ $Apache::response::foilgroup{'names'} }, $name;
159: my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
160: $Apache::response::foilgroup{"$name.value"} = $value;
1.13 ! albertel 161: $Apache::response::foilgroup{"$name.text"} = $foil;
1.4 albertel 162: }
1.1 albertel 163: return '';
164: }
165:
166: 1;
167: __END__
168:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to radiobuttonresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework