<?php
declare(strict_types=1);

namespace PayPo\Payment\Block\Adminhtml\System\Config;

use Magento\Config\Block\System\Config\Form\Field;
use Magento\Framework\Data\Form\Element\AbstractElement;

/**
 * Renders a system configuration field as read only.
 */
class Disable extends Field
{
    /**
     * @param AbstractElement $element
     * @return string
     */
    protected function _getElementHtml(AbstractElement $element)
    {
        $element->setData('readonly', 1);

        return $element->getElementHtml();
    }
}