PageLayoutController.php

<?php

namespace SGalinski\SgNews\Hooks;

/***************************************************************
 *  Copyright notice
 *
 *  (c) sgalinski Internet Services (https://www.sgalinski.de)
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

use SGalinski\SgNews\Service\LicensingService;
use SGalinski\SgNews\Utility\BackendNewsUtility;
use TYPO3\CMS\Backend\Controller\PageLayoutController as CorePageLayoutController;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Utility\LocalizationUtility;

/**
 * Backend edid form hook
 */
class PageLayoutController {

	/**
	 * Sets the default value for the pages author field
	 * to the name of the logged-in user
	 *
	 * @param array $parameters
	 * @param CorePageLayoutController $controller
	 * @return string
	 * @throws \InvalidArgumentException
	 */
	public function addNewsModuleLink(array $parameters = [], $controller): string {
		$out = '';
		if (!(int) $controller->id || !LicensingService::checkKey()) {
			return $out;
		}
		$pageRow = BackendUtility::getRecord('pages', $controller->id);
		$acceptedDoktypes = [BackendNewsUtility::NEWS_DOKTYPE, BackendNewsUtility::CATEGORY_DOKTYPE];
		if (
			!is_array($pageRow) || !count($pageRow) ||
			!in_array((int) $pageRow['doktype'], $acceptedDoktypes, TRUE)
		) {
			return $out;
		}
		$categoryRow = (int) $pageRow['doktype'] === BackendNewsUtility::CATEGORY_DOKTYPE ? $pageRow :
			BackendUtility::getRecord('pages', (int) $pageRow['pid']);
		if (
			!is_array($categoryRow) || !count($categoryRow) ||
			(int) $categoryRow['doktype'] !== BackendNewsUtility::CATEGORY_DOKTYPE
		) {
			return $out;
		}

		$pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
		$pageRenderer->loadRequireJsModule('TYPO3/CMS/SgNews/Backend');

		/** @var IconFactory $iconFactory */
		$iconFactory = GeneralUtility::makeInstance(IconFactory::class);
		$icon = $iconFactory->getIcon('sg_news-module-transparent');
		$icon = '<span style="vertical-align: middle; display:inline-block;">' . $icon . '</span>';
		$buttonLabel = LocalizationUtility::translate('backend.button.goToNewsModule', 'SgNews');
		$buttonLabel = '<span style="vertical-align: middle;">' . $buttonLabel . '</span>';
		$path = '';
		$onclick = 'TYPO3.SgNewsModule.sgNewsGoToNewsModule(' . $categoryRow['uid'] . $path . '); return false;';
		$wrap = ' <div class="btn-group" role="group">%s</div>';
		$link = '<a href="#" onclick="' . $onclick . '" class="btn btn-primary">%s</a>';
		$link = sprintf($link, $icon . ' ' . $buttonLabel);
		$out = sprintf($wrap, $link);
		return $out;
	}
}