/** * Fetch the new taxes for the address * @param TinyBrick_OrderEdit_Model_Order_Address $address * @return TinyBrick_OrderEdit_Model_Order_Address_Total_Tax */ public function fetch(TinyBrick_OrderEdit_Model_Order_Address $address) { $applied = $address->getAppliedTaxes(); $store = $address->getOrder()->getStore(); $amount = $address->getTaxAmount(); if ($amount != 0 || Mage::helper('tax')->displayZeroTax($store)) { $address->addTotal(array('code' => $this->getCode(), 'title' => Mage::helper('sales')->__('Tax'), 'full_info' => $applied ? $applied : array(), 'value' => $amount)); } return $this; }