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_Paypal
 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:  * Field renderer for PayPal merchant country selector
 29:  *
 30:  * @category   Mage
 31:  * @package    Mage_Paypal
 32:  * @author     Magento Core Team <core@magentocommerce.com>
 33:  */
 34: class Mage_Paypal_Block_Adminhtml_System_Config_Field_Country
 35:     extends Mage_Adminhtml_Block_System_Config_Form_Field
 36: {
 37:     /**#@+
 38:      *
 39:      * Request parameters names
 40:      */
 41:     const REQUEST_PARAM_COUNTRY = 'country';
 42:     const REQUEST_PARAM_DEFAULT = 'default_country';
 43:     /**#@-*/
 44: 
 45:     /**
 46:      * Country of default scope
 47:      *
 48:      * @var string
 49:      */
 50:     protected $_defaultCountry;
 51: 
 52:     /**
 53:      * Render country field considering request parameter
 54:      *
 55:      * @param Varien_Data_Form_Element_Abstract $element
 56:      * @return string
 57:      */
 58:     public function render(Varien_Data_Form_Element_Abstract $element)
 59:     {
 60:         $country = $this->getRequest()->getParam(self::REQUEST_PARAM_COUNTRY);
 61:         if ($country) {
 62:             $element->setValue($country);
 63:         }
 64: 
 65:         if ($element->getCanUseDefaultValue()) {
 66:             $defaultConfigNode = Mage::getConfig()->getNode(null, 'default');
 67:             if ($defaultConfigNode) {
 68:                 $this->_defaultCountry = (string)$defaultConfigNode->descend('paypal/general/merchant_country');
 69:             }
 70:             if (!$this->_defaultCountry) {
 71:                 $this->_defaultCountry = Mage::helper('core')->getDefaultCountry();
 72:             }
 73:             if ($country) {
 74:                 $shouldInherit = $country == $this->_defaultCountry
 75:                     && $this->getRequest()->getParam(self::REQUEST_PARAM_DEFAULT);
 76:                 $element->setInherit($shouldInherit);
 77:             }
 78:             if ($element->getInherit()) {
 79:                 $this->_defaultCountry = null;
 80:             }
 81:         }
 82: 
 83:         return parent::render($element);
 84:     }
 85: 
 86:     /**
 87:      * Get country selector html
 88:      *
 89:      * @param Varien_Data_Form_Element_Abstract $element
 90:      * @return string
 91:      */
 92:     protected function _getElementHtml(Varien_Data_Form_Element_Abstract $element)
 93:     {
 94:         $configDataModel = Mage::getSingleton('adminhtml/config_data');
 95:         $urlParams = array(
 96:             'section' => $configDataModel->getSection(),
 97:             'website' => $configDataModel->getWebsite(),
 98:             'store' => $configDataModel->getStore(),
 99:             self::REQUEST_PARAM_COUNTRY => '__country__',
100:         );
101:         $urlString = $this->helper('core')
102:             ->jsQuoteEscape(Mage::getModel('adminhtml/url')->getUrl('*/*/*', $urlParams));
103:         $jsString = '
104:             $("' . $element->getHtmlId() . '").observe("change", function () {
105:                 location.href = \'' . $urlString . '\'.replace("__country__", this.value);
106:             });
107:         ';
108: 
109:         if ($this->_defaultCountry) {
110:             $urlParams[self::REQUEST_PARAM_DEFAULT] = '__default__';
111:             $urlString = $this->helper('core')
112:                 ->jsQuoteEscape(Mage::getModel('adminhtml/url')->getUrl('*/*/*', $urlParams));
113:             $jsParentCountry = $this->helper('core')->jsQuoteEscape($this->_defaultCountry);
114:             $jsString .= '
115:                 $("' . $element->getHtmlId() . '_inherit").observe("click", function () {
116:                     if (this.checked) {
117:                         location.href = \'' . $urlString . '\'.replace("__country__", \'' . $jsParentCountry . '\')
118:                             .replace("__default__", "1");
119:                     }
120:                 });
121:             ';
122:         }
123: 
124:         return parent::_getElementHtml($element) . $this->helper('adminhtml/js')
125:             ->getScript('document.observe("dom:loaded", function() {' . $jsString . '});');
126:     }
127: }
128: