*/ namespace Magento\Config\Block\System\Config\Form\Field\Select; use Magento\Framework\App\ObjectManager; use Magento\Framework\Data\Form\Element\CollectionFactory; use Magento\Framework\Data\Form\Element\Factory; use Magento\Framework\Escaper; use Magento\Framework\Math\Random; use Magento\Framework\View\Helper\SecureHtmlRenderer; class Allowspecific extends \Magento\Framework\Data\Form\Element\Select { /** * @var SecureHtmlRenderer */ private $secureRenderer; /** * Allowspecific constructor. * @param Factory $factoryElement * @param CollectionFactory $factoryCollection * @param Escaper $escaper * @param array $data * @param SecureHtmlRenderer|null $secureRenderer */ public function __construct( Factory $factoryElement, CollectionFactory $factoryCollection, Escaper $escaper, $data = [], ?SecureHtmlRenderer $secureRenderer = null ) { $secureRenderer = $secureRenderer ?? ObjectManager::getInstance()->get(SecureHtmlRenderer::class); parent::__construct($factoryElement, $factoryCollection, $escaper, $data, $secureRenderer); $this->secureRenderer = $secureRenderer; } /** * Add additional Javascript code * * @return string */ public function getAfterElementHtml() { $elementId = $this->getHtmlId(); $countryListId = $this->_getSpecificCountryElementId(); $useDefaultElementId = $countryListId . '_inherit'; $elementJavaScript = << HTML; return $this->secureRenderer->renderTag('script', [], $elementJavaScript, false) . parent::getAfterElementHtml(); } /** * Return generated html. * * @return string */ public function getHtml() { if (!$this->getValue() || 1 != $this->getValue()) { $element = $this->getForm()->getElement($this->_getSpecificCountryElementId()); $element->setDisabled('disabled'); } return parent::getHtml(); } /** * Return country specific element id. * * @return string */ protected function _getSpecificCountryElementId() { $id = $this->getId(); $element = $id !== null ? substr($id, 0, strrpos($id, 'allowspecific')) : ''; return $element . 'specificcountry'; } }