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package HTML::FormFu::Element::Checkbox;
use Moose;
extends 'HTML::FormFu::Element';
with 'HTML::FormFu::Role::Element::Input';
use HTML::FormFu::Constants qw( $EMPTY_STR );
__PACKAGE__->mk_output_accessors(qw( default ));
after BUILD => sub {
my ( $self, $args ) = @_;
$self->field_type( 'checkbox' );
$self->reverse_multi( 1 );
$self->value( 1 );
return;
};
sub process_value {
my ( $self, $input ) = @_;
# ignore submitted input
return $self->value;
}
sub prepare_attrs {
my ( $self, $render ) = @_;
my $form = $self->form;
my $submitted = $form->submitted;
my $default = $self->default;
my $original = $self->value;
my $value
= defined $self->name
? $self->get_nested_hash_value( $form->input, $self->nested_name )
: undef;
if ( $submitted
&& defined $value
&& defined $original
&& $value eq $original )
{
$render->{attributes}{checked} = 'checked';
}
elsif ($submitted
&& $self->retain_default
&& ( !defined $value || $value eq $EMPTY_STR ) )
{
$render->{attributes}{checked} = 'checked';
}
elsif ($submitted) {
delete $render->{attributes}{checked};
}
elsif ( defined $default && defined $original && $default eq $original ) {
$render->{attributes}{checked} = 'checked';
}
$self->SUPER::prepare_attrs($render);
return;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
HTML::FormFu::Element::Checkbox - Checkbox form field
=head1 SYNOPSIS
my $e = $form->element( Checkbox => 'foo' );
=head1 DESCRIPTION
Checkbox form field.
=head1 METHODS
=head2 value
Default Value: 1
=head2 default_empty_value
Inherited. See L<HTML::FormFu::Element::_Field/default_empty_value> for details.
=head2 reverse_multi
Overrides the default value, so it's C<true>.
=head1 SEE ALSO
Is a sub-class of, and inherits methods from
L<HTML::FormFu::Element::_Input>,
L<HTML::FormFu::Element::_Field>,
L<HTML::FormFu::Element>
L<HTML::FormFu>
=head1 AUTHOR
Carl Franks, C<cfranks@cpan.org>
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
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