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Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.3

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
                      3: 
                      4: # 11/23,11/24,11/28 Gerd Kortemeyer
                      5: 
                      6: package Apache::radiobuttonresponse;
                      7: use strict;
                      8: 
                      9: sub BEGIN {
1.3     ! albertel   10:   &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1       albertel   11: }
                     12: 
                     13: sub start_radiobuttonresponse {
1.3     ! albertel   14:   #when in a radiobutton response use these
        !            15:   &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil'));
1.1       albertel   16: }
                     17: 
                     18: sub end_radiobuttonresponse {
                     19: }
                     20: 
                     21: %Apache::response::foilgroup={};
                     22: sub start_foilgroup {
                     23:   %Apache::response::foilgroup={};
                     24: }
                     25: 
                     26: sub end_foilgroup {
                     27:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
                     28:   my $name;
                     29:   my $result;
1.3     ! albertel   30:   my @names = @{ $Apache::response::foilgroup{'names'} };
        !            31:   my @truelist;
        !            32:   my @falselist;
        !            33:   foreach $name (@names) {
1.2       albertel   34:     $result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
1.3     ! albertel   35:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
        !            36:       push (@truelist,$name);
        !            37:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
        !            38:       push (@falselist,$name);
        !            39:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
        !            40:     } else {
        !            41:       &Apache::lonxml::error("Unknow state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
        !            42:     }
1.1       albertel   43:   }
1.3     ! albertel   44:   my $whichtrue = rand $#truelist;
1.1       albertel   45:   return $result;
                     46: }
                     47: 
                     48: sub start_foil {
                     49:   $Apache::lonxml::redirection++;
                     50: }
                     51: 
                     52: sub end_foil {
                     53:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.3     ! albertel   54:   if ($target eq 'web' || $target eq 'grade') {
        !            55:     my $args ='';
        !            56:     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
        !            57:     my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
        !            58:     push @{ $Apache::response::foilgroup{'names'} }, $name;
        !            59:     my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
        !            60:     $Apache::response::foilgroup{"$name.value"} = $value;
        !            61:     $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;
        !            62:   }
        !            63:   
1.1       albertel   64:   $Apache::lonxml::redirection--;
                     65:   return '';
                     66: }
                     67: 
                     68: 1;
                     69: __END__
                     70: