newsupernova/vendor/magento/module-backend/Block/Widget/Grid/Column/Renderer/Longtext.php

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

/**
 * @api
 * @deprecated 100.2.0 in favour of UI component implementation
 * @since 100.0.2
 */
class Longtext extends \Magento\Backend\Block\Widget\Grid\Column\Renderer\AbstractRenderer
{
    /**
     * Render contents as a long text
     *
     * Text will be truncated as specified in string_limit, truncate or 250 by default
     * Also it can be html-escaped and nl2br()
     *
     * @param \Magento\Framework\DataObject $row
     * @return string
     */
    public function render(\Magento\Framework\DataObject $row)
    {
        $truncateLength = 250;
        // stringLength() is for legacy purposes
        if ($this->getColumn()->getStringLimit()) {
            $truncateLength = $this->getColumn()->getStringLimit();
        }
        if ($this->getColumn()->getTruncate()) {
            $truncateLength = $this->getColumn()->getTruncate();
        }
        $text = $this->filterManager->truncate(parent::_getValue($row), ['length' => $truncateLength]);
        if (!$this->getColumn()->hasEscape() || $this->getColumn()->getEscape()) {
            $text = $this->escapeHtml($text);
        }
        if ($this->getColumn()->getNl2br()) {
            $text = nl2br($text);
        }
        return $text;
    }
}