newsupernova/vendor/magento/module-email/Block/Adminhtml/Template/Grid/Renderer/Action.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Email\Block\Adminhtml\Template\Grid\Renderer;

/**
 * Email templates grid block action item renderer
 *
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Action extends \Magento\Backend\Block\Widget\Grid\Column\Renderer\Action
{
    /**
     * Render grid column
     *
     * @param \Magento\Framework\DataObject $row
     * @return string
     */
    public function render(\Magento\Framework\DataObject $row)
    {
        $actions = [];

        $actions[] = [
            'url' => $this->getUrl('adminhtml/*/preview', ['id' => $row->getId()]),
            'popup' => true,
            'caption' => __('Preview'),
        ];

        $this->getColumn()->setActions($actions);

        return parent::render($row);
    }

    /**
     * Get escaped value
     *
     * @param string $value
     * @return string
     */
    protected function _getEscapedValue($value)
    {
        return addcslashes(htmlspecialchars($value), '\\\'');
    }

    /**
     * Convert actions to html
     *
     * @param array $actions
     * @return string
     */
    protected function _actionsToHtml(array $actions)
    {
        $html = [];
        $attributesObject = new \Magento\Framework\DataObject();
        foreach ($actions as $action) {
            $attributesObject->setData($action['@']);
            $html[] = '<a ' . $attributesObject->serialize() . '>' . $action['#'] . '</a>';
        }
        return implode(' <span class="separator">&nbsp;|&nbsp;</span> ', $html);
    }
}