Statuses.php

<?php
/**
 * Copyright © 2015 Ihor Vansach (ihor@magefan.com). All rights reserved.
 * See LICENSE.txt for license details (http://opensource.org/licenses/osl-3.0.php).
 *
 * Glory to Ukraine! Glory to the heroes!
 */

namespace Magefan\Blog\Block\Adminhtml\Grid\Column;

/**
 * Admin blog grid statuses 
 */
class Statuses extends \Magento\Backend\Block\Widget\Grid\Column
{
    /**
     * Add to column decorated status
     *
     * @return array
     */
    public function getFrameCallback()
    {
        return [$this, 'decorateStatus'];
    }

    /**
     * Decorate status column values
     *
     * @param string $value
     * @param  \Magento\Framework\Model\AbstractModel $row
     * @param \Magento\Backend\Block\Widget\Grid\Column $column
     * @param bool $isExport
     * @return string
     */
    public function decorateStatus($value, $row, $column, $isExport)
    {
        if ($row->getIsActive() || $row->getStatus()) {
            $cell = '<span class="grid-severity-notice"><span>' . $value . '</span></span>';
        } else {
            $cell = '<span class="grid-severity-critical"><span>' . $value . '</span></span>';
        }
        return $cell;
    }
}