1: <?php
 2: /**
 3:  * Magento
 4:  *
 5:  * NOTICE OF LICENSE
 6:  *
 7:  * This source file is subject to the Open Software License (OSL 3.0)
 8:  * that is bundled with this package in the file LICENSE.txt.
 9:  * It is also available through the world-wide-web at this URL:
10:  * http://opensource.org/licenses/osl-3.0.php
11:  * If you did not receive a copy of the license and are unable to
12:  * obtain it through the world-wide-web, please send an email
13:  * to license@magentocommerce.com so we can send you a copy immediately.
14:  *
15:  * DISCLAIMER
16:  *
17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
18:  * versions in the future. If you wish to customize Magento for your
19:  * needs please refer to http://www.magentocommerce.com for more information.
20:  *
21:  * @category    Mage
22:  * @package     Mage_Tax
23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
25:  */
26: 
27: 
28: class Mage_Tax_Model_System_Config_Source_Tax_Country extends Mage_Adminhtml_Model_System_Config_Source_Country
29: {
30:     protected $_options;
31: 
32:     public function toOptionArray($noEmpty=false)
33:     {
34:         $options = parent::toOptionArray($noEmpty);
35: 
36:         if(!$noEmpty) {
37:             if ($options) {
38:                 $options[0]['label'] = Mage::helper('tax')->__('None');
39:             } else {
40:                 $options = array(array('value'=>'', 'label'=>$this->helper('tax')->__('None')));
41:             }
42:         }
43: 
44:         return $options;
45:     }
46: }
47: