Fixes #1561: Dervice default tax mode

modules/Inventory/models/TaxRecord.php

@@ -23,12 +23,7 @@ class Inventory_TaxRecord_Model extends Vtiger_Base_Model {
 
 	public function getName() {
 		return $this->get('taxlabel');
-	}
-
-
-	public function getSelectedDefaultTaxMode() {
-		return '';
-	}
+	}	
 
 	public function getTax() {
 		return $this->get('percentage');
@@ -202,6 +197,17 @@ class Inventory_TaxRecord_Model extends Vtiger_Base_Model {
 		return $taxId;
 	}
 
+	public static function getSelectedDefaultTaxMode() {
+		$db = PearDatabase::getInstance();
+		
+		$result = $db->pquery('SELECT defaultvalue FROM vtiger_field WHERE fieldname = ? LIMIT 1', array('hdnTaxType'));
+		if ($db->num_rows($result)) {
+			return $db->query_result($result, 0, 'defaultvalue');
+		}
+
+		return false;
+	}
+
 	public static function getProductTaxes() {
 		vimport('~~/include/utils/InventoryUtils.php');
 		$taxes = getAllTaxes();