<?php
/* $Id$ */
namespace Mammut\Chart;

(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

use Mammut\Chart\Renderer\iRenderer;
use Mammut\Chart\Model\ChartElement;

/**
 * Trait for charts that support value stacking 
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\Chart
 */
trait Stackable {
	
	protected $stacking = false;
	
	public function setStacking($stack) {
		$this->stacking = $stack;
	}

	public function isStacking() {
		return $this->stacking;
	}
}