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_GoogleCheckout
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: class Mage_GoogleCheckout_Block_Adminhtml_Shipping_Applicable_Countries
28:     extends Mage_Adminhtml_Block_System_Config_Form_Field
29: {
30:     protected $_addRowButtonHtml = array();
31:     protected $_removeRowButtonHtml = array();
32: 
33:     protected function _getElementHtml(Varien_Data_Form_Element_Abstract $element)
34:     {
35:         $html = parent::_getElementHtml($element);
36:         $html .= $this->_appendJs($element);
37:         return $html;
38:     }
39: 
40:     protected function _appendJs($element)
41:     {
42:         $elId = $element->getHtmlId();
43:         $childId = str_replace('sallowspecific', 'specificcountry', $elId);
44:         $html = "<script type='text/javascript'>
45:         var dwvie = function ()
46:         {
47:             var valueSelectId = '{$elId}';
48:             var elementToDisableId = '{$childId}';
49: 
50:             var source = $(valueSelectId);
51:             var target = $(elementToDisableId);
52: 
53:             if (source.options[source.selectedIndex].value == '0') {
54:                 target.disabled = true;
55:             } else {
56:                 target.disabled = false;
57:             }
58:         }
59: 
60:         Event.observe('{$elId}', 'change', dwvie);
61:         Event.observe(window, 'load', dwvie);
62:         </script>";
63:         return $html;
64:     }
65: }
66: