<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Customer address region field renderer
 *
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Block_Customer_Edit_Renderer_Region
    extends Mage_Adminhtml_Block_Abstract
    implements Varien_Data_Form_Element_Renderer_Interface
{
    /**
     * Output the region element and javasctipt that makes it dependent from country element
     *
     * @param Varien_Data_Form_Element_Abstract $element
     * @return string
     */
    public function render(Varien_Data_Form_Element_Abstract $element)
    {
        if ($country = $element->getForm()->getElement('country_id')) {
            $countryId = $country->getValue();
        }
        else {
            return $element->getDefaultHtml();
        }

        $regionId = $element->getForm()->getElement('region_id')->getValue();

        $html = '<tr>';
        $element->setClass('input-text');
        $element->setRequired(true);
        $html .= '<td class="label">' . $element->getLabelHtml() . '</td><td class="value">';
        $html .= $element->getElementHtml();

        $selectName = str_replace('region', 'region_id', $element->getName());
        $selectId = $element->getHtmlId() . '_id';
        $html .= '<select id="' . $selectId . '" name="' . $selectName
            . '" class="select required-entry" style="display:none">';
        $html .= '<option value="">' . Mage::helper('customer')->__('Please select') . '</option>';
        $html .= '</select>';

        $html .= '<script type="text/javascript">' . "\n";
        $html .= '$("' . $selectId . '").setAttribute("defaultValue", "' . $regionId.'");' . "\n";
        $html .= 'new regionUpdater("' . $country->getHtmlId() . '", "' . $element->getHtmlId()
            . '", "' . $selectId . '", ' . $this->helper('directory')->getRegionJson() . ');' . "\n";
        $html .= '</script>' . "\n";

        $html .= '</td></tr>' . "\n";

        return $html;
    }
}
