/**
* Return total list
*
* @param Mage_Sales_Model_Abstract $source
* @return array
*/
protected function _getTotalsList($source)
{
$nodeName = Mage::helper('zab_billing')->getTotalConfigPath($source->getTipo());
$totals = Mage::getConfig()->getNode($nodeName)->asArray();
usort($totals, array($this, '_sortTotalsList'));
$totalModels = array();
foreach ($totals as $index => $totalInfo) {
if (!empty($totalInfo['model'])) {
$totalModel = Mage::getModel($totalInfo['model']);
if ($totalModel instanceof Mage_Sales_Model_Order_Pdf_Total_Default) {
$totalInfo['model'] = $totalModel;
} else {
Mage::throwException(Mage::helper('sales')->__('PDF total model should extend Mage_Sales_Model_Order_Pdf_Total_Default'));
}
} else {
$totalModel = Mage::getModel($this->_defaultTotalModel);
}
$totalModel->setData($totalInfo);
$totalModels[] = $totalModel;
}
return $totalModels;
}
