protected function parseUrl($model, $key, $index)
	{
		//catch no link
		if (!$this->hasLink()) return null;

		//prepare link
		if (is_array($this->link)) {
			return Url::to($this->link);
		} else if ($this->link instanceof \Closure) {
			return call_user_func($this->link, $model, $key, $index, $this);
		} else {
			return $this->link;
		}
	}