package MTools::Widget::MRadioGroup;
#	This program is free software; you can redistribute it and/or
#	modify it under the terms of the GNU LGPL Libray General Public License
#	as published by the Free Software Foundation; either version 2
#	of the License, or (at your option) any later version.
#
#	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.  See the
#	GNU Library General Public License for more details.
#
#	You should have received a copy of the GNU Library General Public License
#	along with this program; if not, write to the Free Software
#	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA,
#	or refer to http://www.gnu.org/copyleft/lgpl.html
#
##################################################################

use strict;

use MTools;
use MTools::MObjet;
use vars qw / @ISA /;

BEGIN 
{
	@ISA = qw /MTools::MObjet/;
}

sub new {
	my ($class, @buttons) = @_;
	my $self = new MTools::MObjet ();
	bless $self, $class;
	
	$self -> recordEvent ('BUTTON_SELECTED');
	$self -> {buttons} = ();
	
	for (my $i = 0; $i < @buttons; $i ++)
	{
		$self -> addButton ($buttons [$i]);
	}
	
	return $self;
}

sub addButton {
	my ($self, $button) = @_;
	push (@{$self -> {buttons}}, $button);
	$button -> binding ('PRESSED', sub {
		my @buttons = @{$self -> {buttons}};
		for (my $i = 0; $i < @buttons; $i ++)
		{
			if ($buttons [$i] != $button)
			{
				$buttons [$i] -> notify ('RELEASE');
			}
		}
		$self -> notify ('BUTTON_SELECTED', $button);
	});
}

sub getSelected {
	my ($self) = @_;
	my @buttons = @{$self -> {buttons}};
	for (my $i = 0; $i < @buttons; $i ++)
	{
		if ($buttons [$i] -> mget ('selected'))
		{
			return $buttons [$i];
		}
	}
}

sub setSelected {
	my ($self, $button) = @_;
	my @buttons = @{$self -> {buttons}};
	for (my $i = 0; $i < @buttons; $i ++)
	{
		if ($buttons [$i] == $button)
		{
			$buttons [$i] -> notify ('PRESS');
		}
	}
}

1;