Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.14
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={};
1.14 ! albertel 28: $Apache::optionresponse::conceptgroup=0;
! 29: &setrandomnumber();
1.6 albertel 30: return '';
1.1 albertel 31: }
32:
1.5 albertel 33: sub setrandomnumber {
34: my $rndseed=&Apache::lonnet::rndseed();
35: $rndseed=unpack("%32i",$rndseed);
36: $rndseed=$rndseed
37: +&Apache::lonnet::numval($Apache::inputtags::part)
38: +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
39: srand($rndseed);
40: return '';
41: }
42:
1.1 albertel 43: sub end_foilgroup {
44: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 45:
1.1 albertel 46: my $result;
1.7 albertel 47: if ($target ne 'meta') {
48: my $name;
49: my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
50: my $count=0;
51: # we will add in 1 of the true statements
52: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
53: my $answer = int(rand ($count));
54: &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
55: if ($target eq 'web') {
56: $result=&displayfoils($max,$answer);
57: } elsif ( $target eq 'grade') {
1.8 albertel 58: if ( defined $ENV{'form.submitted'}) {
1.7 albertel 59: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
60: if ( $response =~ /[^\s]/) {
61: my $id = $Apache::inputtags::response['-1'];
62: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
1.12 albertel 63: &Apache::lonxml::debug("submitted a $response<br />\n");
1.7 albertel 64: if ($response == $answer) {
65: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
66: } else {
67: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
68: }
1.5 albertel 69: }
70: }
71: }
72: }
73: return $result;
1.6 albertel 74: }
75:
76: sub getfoilcounts {
77: my ($parstack,$safeeval)=@_;
78: my $rrargs ='';
79: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
80: my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
81: my @names = @{ $Apache::response::foilgroup{'names'} };
82: my $truecnt=0;
83: my $falsecnt=0;
84: my $name;
85:
86: foreach $name (@names) {
87: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
88: $truecnt++;
89: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
90: $falsecnt++;
91: }
92: }
93: return ($truecnt,$falsecnt,$max);
1.5 albertel 94: }
95:
96: sub displayfoils {
97: my ($max,$answer)=@_;
1.3 albertel 98: my @names = @{ $Apache::response::foilgroup{'names'} };
99: my @truelist;
100: my @falselist;
1.5 albertel 101: my $result;
102: my $name;
103:
1.3 albertel 104: foreach $name (@names) {
1.12 albertel 105: #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
1.3 albertel 106: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
107: push (@truelist,$name);
108: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
109: push (@falselist,$name);
110: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
111: } else {
1.5 albertel 112: &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
1.3 albertel 113: }
1.1 albertel 114: }
1.3 albertel 115: my $whichtrue = rand $#truelist;
1.4 albertel 116: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
117: my @whichfalse =();
118: while ((($#whichfalse+2) < $max) && ($#falselist > -1)) {
119: my $afalse=rand $#falselist;
120: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
121: $afalse=splice(@falselist,$afalse,1);
122: &Apache::lonxml::debug("Picked $afalse");
123: push (@whichfalse,$afalse);
124: }
1.5 albertel 125: splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
126: &Apache::lonxml::debug("the true statement is $answer");
1.10 albertel 127: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
128: foreach $name (@whichfalse) {
1.11 albertel 129: $result.="<br />";
130: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
131: $result.='Correct';
132: } else {
133: $result.='Incorrect';
134: }
135: $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
1.10 albertel 136: }
137: } else {
138: my $temp=0;
139: foreach $name (@whichfalse) {
140: $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\">".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
141: $temp++;
142: }
1.4 albertel 143: }
1.5 albertel 144: return $result."<br />";
1.14 ! albertel 145: }
! 146:
! 147: sub start_conceptgroup {
! 148: $Apache::optionresponse::conceptgroup=1;
! 149: %Apache::response::conceptgroup={};
! 150: return '';
! 151: }
! 152:
! 153: sub end_conceptgroup {
! 154: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
! 155: $Apache::optionresponse::conceptgroup=0;
! 156: if ($target eq 'web' || $target eq 'grade') {
! 157: my @names = @{ $Apache::response::conceptgroup{'names'} };
! 158: my $pick=int rand $#names+1;
! 159: my $name=$names[$pick];
! 160: push @{ $Apache::response::foilgroup{'names'} }, $name;
! 161: $Apache::response::foilgroup{"$name.text"} = $Apache::response::conceptgroup{"$name.text"};
! 162: $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
! 163: my $args;
! 164: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
! 165: my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
! 166: $Apache::response::foilgroup{"$name.concept"} = $concept;
! 167: &Apache::lonxml::debug("Selecting $name in $concept");
! 168: }
! 169: return '';
1.1 albertel 170: }
171:
172: sub start_foil {
1.13 albertel 173: &Apache::lonxml::startredirection;
1.5 albertel 174: return '';
1.1 albertel 175: }
176:
177: sub end_foil {
178: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.13 albertel 179: my $foil=&Apache::lonxml::endredirection;
1.3 albertel 180: if ($target eq 'web' || $target eq 'grade') {
181: my $args ='';
182: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
183: my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
184: push @{ $Apache::response::foilgroup{'names'} }, $name;
185: my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
186: $Apache::response::foilgroup{"$name.value"} = $value;
1.13 albertel 187: $Apache::response::foilgroup{"$name.text"} = $foil;
1.4 albertel 188: }
1.1 albertel 189: return '';
190: }
191:
192: 1;
193: __END__
194:
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