/** * Add tracks from a passed in 'OrderEvents\ITrackingNumberIterable' instance to a passed in * 'sales/order_shipment' instance. * @param OrderEvents\ITrackingNumberIterable $trackingNumbers * @param Mage_Sales_Model_Order_Shipment $shipment * @return self */ protected function _addAllTrackings(OrderEvents\ITrackingNumberIterable $trackingNumbers, Mage_Sales_Model_Order_Shipment $shipment) { foreach ($trackingNumbers as $track) { $shipment->addTrack($this->_initNewTrackInstance($track)); } return $this; }