Annotation of loncom/homework/optionresponse.pm, revision 1.2
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # option list style responses
3:
4: package Apache::optionresponse;
5: use strict;
6:
7: sub BEGIN {
8: &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
9: }
10:
11: sub start_optionresponse {
12: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
13: #when in a radiobutton response use these
1.2 ! albertel 14: &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil','conceptgroup'));
1.1 albertel 15: my $id = &Apache::response::start_response($parstack,$safeeval);
16: return '';
17: }
18:
19: sub end_optionresponse {
20: &Apache::response::end_response;
21: return '';
22: }
23:
24: %Apache::response::foilgroup={};
25: sub start_foilgroup {
26: %Apache::response::foilgroup={};
27: return '';
28: }
29:
30: sub setrandomnumber {
31: my $rndseed=&Apache::lonnet::rndseed();
32: $rndseed=unpack("%32i",$rndseed);
33: $rndseed=$rndseed
34: +&Apache::lonnet::numval($Apache::inputtags::part)
35: +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
36: srand($rndseed);
37: return '';
38: }
39:
40: sub end_foilgroup {
41: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
42:
43: my $result;
44: if ($target ne 'meta') {
45: my $name;
46: &setrandomnumber();
47: my ($count,$max) = &getfoilcounts($parstack,$safeeval);
48: if ($count>$max) { $count=$max }
49: &Apache::lonxml::debug("Count is $count from $max");
50: my $args ='';
51: if ( $#$parstack > 0 ) { $args=$$parstack['-1']; }
52: my @opt;
53: eval '@opt ='.&Apache::run::run("{$args;".'return $options}',$safeeval);
54: if ($target eq 'web') {
55: $result=&displayfoils($count,@opt);
56: } elsif ( $target eq 'grade') {
57: if ( defined $ENV{'form.submitted'}) {
58: my @whichopt = &whichfoils($count);
59: my $temp=1;my $name;
60: my $allresponse;
61: my $right=0;
62: my $wrong=0;
63: foreach $name (@whichopt) {
64: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
65: $allresponse.="$response:";
66: if ( $response =~ /[^\s]/) {
67: &Apache::lonxml::debug("submitted a $response<br>\n");
68: my $value=$Apache::response::foilgroup{$name.'.value'};
69: if ($value eq $response) {$right++;} else {$wrong++;}
70: }
71: $temp++;
72: }
73: my $id = $Apache::inputtags::response['-1'];
74: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$allresponse;
75: &Apache::lonxml::debug("Got $right right and $wrong wrong");
76: if ($wrong==0) {
77: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
78: } else {
79: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
80: }
81: }
82: }
83: }
84: return $result;
85: }
86:
87: sub getfoilcounts {
88: my ($parstack,$safeeval)=@_;
89: my $rrargs ='';
90: if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
91: my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
92: my $count = $#{ $Apache::response::foilgroup{'names'} };
93: return ($count,$max);
94: }
95:
96: sub whichfoils {
97: my ($max)=@_;
98: my @names = @{ $Apache::response::foilgroup{'names'} };
99: my @whichopt =();
100: while ((($#whichopt+1) < $max) && ($#names > -1)) {
101: my $aopt=int rand $#names;
102: &Apache::lonxml::debug("From $#names elms, picking $aopt");
103: $aopt=splice(@names,$aopt,1);
104: &Apache::lonxml::debug("Picked $aopt");
105: push (@whichopt,$aopt);
106: }
107: return @whichopt;
108: }
109:
110: sub displayfoils {
111: my ($max,@opt)=@_;
112: my @names = @{ $Apache::response::foilgroup{'names'} };
113: my @truelist;
114: my @falselist;
115: my $result;
116: my $name;
117: my @whichopt = &whichfoils($max);
118: my $optionlist="<option></option>\n";
119: my $option;
120: foreach $option (@opt) {
121: $optionlist.="<option>$option</option>\n";
122: }
123: if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
124: foreach $name (@whichopt) {
125: $result.="<br />".$Apache::response::foilgroup{$name.'.value'}.
126: ":".$Apache::response::foilgroup{$name.'.text'}."\n";
127: }
128: } else {
129: my $temp=1;
130: foreach $name (@whichopt) {
131: $result.="<br /><select name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\">"
132: .$optionlist
133: ."</select>\n".$Apache::response::foilgroup{$name.'.text'}."\n";
134: $temp++;
135: }
136: }
137: return $result."<br />";
138: }
139:
1.2 ! albertel 140: sub start_conceptgroup {
! 141: }
! 142:
! 143: sub end_conceptgroup {
! 144: }
! 145:
1.1 albertel 146: sub start_foil {
1.2 ! albertel 147: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
! 148: if ($target eq 'web') {
! 149: $Apache::lonxml::redirection--;
! 150: }
1.1 albertel 151: return '';
152: }
153:
154: sub end_foil {
155: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
156: if ($target eq 'web' || $target eq 'grade') {
157: my $args ='';
158: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
159: my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
160: if ($value ne 'unused') {
161: my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
162: push @{ $Apache::response::foilgroup{'names'} }, $name;
163: $Apache::response::foilgroup{"$name.value"} = $value;
164: $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;
165: }
166: }
1.2 ! albertel 167: if ($target eq 'web' ) {
! 168: $Apache::lonxml::redirection++;
! 169: if ($Apache::lonxml::redirection == 1) {
! 170: $Apache::lonxml::outputstack='';
! 171: }
1.1 albertel 172: }
173: return '';
174: }
175:
176: 1;
177: __END__
178:
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