Htk.Radio = new Class
({
	Extends: Vn.Object,
	Implements: Vn.Param
	,Tag: 'htk-radio'

	,initialize: function (props)
	{
		this.parent (props);
		this.rButton = new Array ();
		this.uid = ++htkRadioUid;
	}

	,newRadio: function (value)
	{
		var radio;
		var obj = this;

		radio = createRadio (this.uid);
		radio.value = value;
		radio.checked = value == this.realValue;
		radio.addEventListener ('change',
			function () { obj.radioChanged (this._value); }, false);
		this.rButton.push (radio);
		
		return radio;
	}

	,radioChanged: function (value)
	{
		this.realValue = value;
		this.signalEmit ('changed');
	}

	,setRealValue: function (value)
	{
		var rButton = this.rButton;

		for (var n = 0; n < rButton.length; n++)
		{
			if (rButton[n].value == value)
			{
				rButton[n].checked = true;
				break;
			}
		}
	}

	,setEditable: function (editable)
	{
		var rButton = this.rButton;

		for (var n = 0; n < rButton.length; n++)
				rButton[n].disabled = !editable;
	}
});