9.5/_frontend_hooks_8php_source.html

<?php

declare(strict_types = 1);


namespace ‪TYPO3\CMS\Frontend\Hooks;


/*

 * 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 ‪TYPO3\CMS\Core\Localization\LanguageService;

use ‪TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;


class ‪FrontendHooks

{

    public function ‪displayPreviewInfoMessage($params, ‪TypoScriptFrontendController $controller)

    {

        if (!$controller->fePreview || $controller->‪doWorkspacePreview() || ($controller->config['config']['disablePreviewNotification'] ?? false)) {

            return;

        }

        if ($controller->config['config']['message_preview']) {

            $message = $controller->config['config']['message_preview'];

        } else {

            $label = $this->‪getLanguageService()->‪sL('LLL:EXT:core/Resources/Private/Language/locallang_tsfe.xlf:preview');

            $styles = [];

            $styles[] = 'position: fixed';

            $styles[] = 'top: 15px';

            $styles[] = 'right: 15px';

            $styles[] = 'padding: 8px 18px';

            $styles[] = 'background: #fff3cd';

            $styles[] = 'border: 1px solid #ffeeba';

            $styles[] = 'font-family: sans-serif';

            $styles[] = 'font-size: 14px';

            $styles[] = 'font-weight: bold';

            $styles[] = 'color: #856404';

            $styles[] = 'z-index: 20000';

            $styles[] = 'user-select: none';

            $styles[] = 'pointer-events: none';

            $styles[] = 'text-align: center';

            $styles[] = 'border-radius: 2px';

            $message = '<div id="typo3-preview-info" style="' . implode(';', $styles) . '">' . htmlspecialchars($label) . '</div>';

        }

        if (!empty($message)) {

            $controller->content = str_ireplace('</body>', $message . '</body>', $controller->content);

        }

    }


    protected function ‪getLanguageService()

    {

        return ‪$GLOBALS['LANG'];

    }

}