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- moving along <foil> looks good foilgroup> is now picking proper items

# The LearningOnline Network with CAPA
# mutliple choice style responses

# 11/23,11/24,11/28 Gerd Kortemeyer

package Apache::radiobuttonresponse;
use strict;

sub BEGIN {
  &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
}

sub start_radiobuttonresponse {
  #when in a radiobutton response use these
  &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil'));
}

sub end_radiobuttonresponse {
}

%Apache::response::foilgroup={};
sub start_foilgroup {
  %Apache::response::foilgroup={};
}

sub end_foilgroup {
  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  my $name;
  my $result;
  my @names = @{ $Apache::response::foilgroup{'names'} };
  my @truelist;
  my @falselist;
  foreach $name (@names) {
    $result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
      push (@truelist,$name);
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
      push (@falselist,$name);
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
    } else {
      &Apache::lonxml::error("Unknow state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
    }
  }
  my $whichtrue = rand $#truelist;
  return $result;
}

sub start_foil {
  $Apache::lonxml::redirection++;
}

sub end_foil {
  my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  if ($target eq 'web' || $target eq 'grade') {
    my $args ='';
    if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
    my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
    push @{ $Apache::response::foilgroup{'names'} }, $name;
    my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
    $Apache::response::foilgroup{"$name.value"} = $value;
    $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;
  }
  
  $Apache::lonxml::redirection--;
  return '';
}

1;
__END__