public function __construct($options = null)
{
parent::__construct($options);
$this->callback = 'js:function(result){if(!result)return;$(this).gmap3({action:"addDirectionsRenderer",options:{draggable:false,directions:result}});}';
}
/**
* Create a new action.
* @param string An identifier for this style.
* @param mixed $options Associative array or Options object
*/
public function __construct($id, $options = null)
{
$this->id = $id;
parent::__construct($options);
}