PagemediaViewHelper.php

<?php
namespace MarkusTimtner\Sitepackage\ViewHelpers;

use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Connection;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

/**
 * ViewHelper to show the page.media.fileObject of the default language
 * goes along with the MenuSupagesImages
 *
 * <code>
 *	<p:pagemedia uid='{page.data.l10n_parent}' />
 * </code>
 * or inline:
 * <code>
 * {p:pagemedia(uid: '{page.data.l10n_parent}')}
 * </code>
 *
 * usage in template:
 * <f:if condition="{p:pagemedia(uid: '{page.data.l10n_parent}')}">
 *      <f:image src="{p:pagemedia(uid: '{page.data.l10n_parent}')}" treatIdAsReference="1" />
 * </f:if>
 */

class PagemediaViewHelper extends AbstractViewHelper {

	/**
	 * As this ViewHelper renders HTML, the output must not be escaped.
	 *
	 * @var bool
	 */
	protected $escapeOutput = false;

	/**
	 * Initialize arguments
	 */
	public function initializeArguments()
	{
		parent::initializeArguments();
		$this->registerArgument('uid', 'int', 'page uid', true);
	}

	public function render() {

		$uid = $this->arguments['uid'];

		$fileRepository = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Resource\FileRepository::class);
		$fileObjects = $fileRepository->findByRelation('pages', 'media', $uid);

		if (!empty($fileObjects[0])) {
			$file = $fileObjects[0]->getPublicUrl();

			return (string)$file;
		}

	}
}