UrlLinkHandler.php

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<?php
namespace TYPO3\CMS\Recordlist\LinkHandler;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class UrlLinkHandler extends AbstractLinkHandler implements LinkHandlerInterface
{
    protected $linkParts = [];

    protected $updateSupported = false;

    public function __construct()
    {
        parent::__construct();
        // remove unsupported link attribute
        unset($this->linkAttributes[array_search('params', $this->linkAttributes, true)]);
    }

    public function canHandleLink(array $linkParts)
    {
        if (!$linkParts['url']) {
            return false;
        }
        if (strpos($linkParts['url'], '://') === false) {
            $linkParts['url'] = 'http://' . $linkParts['url'];
        }
        $this->linkParts = $linkParts;

        return true;
    }

    public function formatCurrentUrl()
    {
        return $this->linkParts['url'];
    }

    public function render(ServerRequestInterface $request)
    {
        GeneralUtility::makeInstance(PageRenderer::class)->loadRequireJsModule('TYPO3/CMS/Recordlist/UrlLinkHandler');

        $extUrl = '
                                <!--
                                        Enter External URL:
                                -->
                                        <form action="" id="lurlform">
                                                <table border="0" cellpadding="2" cellspacing="1" id="typo3-linkURL">
                                                        <tr>
                                                                <td style="width: 96px;">URL:</td>
                                                                <td>
                                                                        <input type="text" name="lurl" size="30" value="'
                                        . htmlspecialchars(!empty($this->linkParts) ? $this->linkParts['url'] : 'http://')
                                        . '" /> '
                                    . '<input class="btn btn-default" type="submit" value="' . $this->getLanguageService()->getLL('setLink', true) . '" />
                                                                </td>
                                                        </tr>
                                                </table>
                                        </form>';
        return $extUrl;
    }

    public function getBodyTagAttributes()
    {
        return [];
    }
}