61 lines
1.8 KiB
PHP
61 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Fluid\ViewHelpers\Link;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
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/**
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* ViewHelper for creating links to external targets.
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*
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* ```
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* <f:link.external uri="https://www.typo3.org" target="_blank">external link</f:link.external>
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* ```
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*
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* @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-link-external
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*/
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final class ExternalViewHelper extends AbstractTagBasedViewHelper
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{
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/**
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* @var string
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*/
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protected $tagName = 'a';
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public function initializeArguments(): void
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{
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parent::initializeArguments();
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$this->registerArgument('uri', 'string', 'The URI that will be put in the href attribute of the rendered link tag', true);
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$this->registerArgument('defaultScheme', 'string', 'Scheme the href attribute will be prefixed with if specified $uri does not contain a scheme already', false, 'https');
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}
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public function render(): string
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{
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$uri = $this->arguments['uri'];
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$defaultScheme = $this->arguments['defaultScheme'];
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$scheme = parse_url($uri, PHP_URL_SCHEME);
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if ($scheme === null && $defaultScheme !== '') {
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$uri = $defaultScheme . '://' . $uri;
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}
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$this->tag->addAttribute('href', $uri);
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$this->tag->setContent((string)$this->renderChildren());
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$this->tag->forceClosingTag(true);
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return $this->tag->render();
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}
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}
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