Vn.Ticket = new Class
({
	Extends: Vn.Form

	,activate: function ()
	{
		this.$('print').addEventListener ('click', this.printClicked.bind (this));
		this.$('subtotal').renderer = this.subtotalRenderer.bind (this);
		this.$('ticket-subtotal').func = this.subtotal;
	}

	,printClicked: function (event)
	{
		var report = window.open ('', 'report',
			'resizable=yes,height=600,width=750,scrollbars=yes,menubar=no');
		report.document.body.innerHTML = this.$('report').innerHTML;
		report.print ();
	}
	
	,subtotalRenderer: function (column, form)
	{
		column.value = this.subtotal (form);
	}

	,subtotal: function (form)
	{
		var price = form.get ('price');
		var discount = form.get ('discount');
	
		if (price && form.get ('fixed'))
			return form.get ('amount') * price * ((100 - discount) / 100);
		else
			return null;
	}
});