# Module of TWiki Enterprise Collaboration Platform, http://TWiki.org/
#
# Copyright (C) 2000-2018 Peter Thoeny, peter[at]thoeny.org
# and TWiki Contributors. All Rights Reserved. TWiki Contributors
# are listed in the AUTHORS file in the root of this distribution.
# NOTE: Please extend that file, not this notice.
#
# Additional copyrights apply to some or all of the code in this
# file as follows:
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version. For
# more details read LICENSE in the root of this distribution.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# As per the GPL, removal of this notice is prohibited.

package TWiki::Configure::Types::BOOLEAN;

use strict;

use TWiki::Configure::Type;

use base 'TWiki::Configure::Type';

sub prompt {
    my( $this, $id, $opts, $value ) = @_;
    return CGI::checkbox( -name => $id, -checked => ( $value ? 1 : 0),
                          -value => 1, -label => '' );
}

sub string2value {
    my ($this, $val) = @_;
    return ($val ? 1 : 0);
}

sub equals {
    my ($this, $val, $def) = @_;

    return (($val && $def) || (!$val && !$def));
}

1;