9.5/_file_thumbnails_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Backend\Form\FieldWizard;


/*

 * 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\Backend\Form\AbstractNode;

use ‪TYPO3\CMS\Backend\Utility\BackendUtility;

use ‪TYPO3\CMS\Core\Messaging\FlashMessage;

use ‪TYPO3\CMS\Core\Messaging\FlashMessageService;

use ‪TYPO3\CMS\Core\Resource\ProcessedFile;

use ‪TYPO3\CMS\Core\Resource\ResourceFactory;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Core\Utility\MathUtility;


class ‪FileThumbnails extends ‪AbstractNode

{

    public function ‪render(): array

    {

        $result = $this->‪initializeResultArray();


        $table = $this->data['tableName'];

        $fieldName = $this->data['fieldName'];

        $row = $this->data['databaseRow'];

        $parameterArray = $this->data['parameterArray'];

        $config = $parameterArray['fieldConf']['config'];

        $selectedItems = $parameterArray['itemFormElValue'];


        if (!isset($config['internal_type'])

            || ($config['internal_type'] !== 'file' && $config['internal_type'] !== 'file_reference')

        ) {

            // @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0. Deprecation logged by TcaMigration class.

            // Thumbnails only make sense on file and file_reference

            return $result;

        }


        $fileFactory = ‪ResourceFactory::getInstance();

        $thumbnailsHtml = [];

        foreach ($selectedItems as $selectedItem) {

            $uidOrPath = $selectedItem['uidOrPath'];

            if (‪MathUtility::canBeInterpretedAsInteger($uidOrPath)) {

                $fileObject = $fileFactory->getFileObject($uidOrPath);

                if (!$fileObject->isMissing()) {

                    $extension = $fileObject->getExtension();

                    if (GeneralUtility::inList(

                        ‪$GLOBALS['TYPO3_CONF_VARS']['GFX']['imagefile_ext'],

                        $extension

                    )

                    ) {

                        $thumbnailsHtml[] = '<li>';

                        $thumbnailsHtml[] =     '<span class="thumbnail">';

                        $thumbnailsHtml[] =         $fileObject->process(‪ProcessedFile::CONTEXT_IMAGEPREVIEW, [])->getPublicUrl(true);

                        $thumbnailsHtml[] =     '</span>';

                        $thumbnailsHtml[] = '</li>';

                    }

                }

            } else {

                $rowCopy = [];

                $rowCopy[$fieldName] = $uidOrPath;

                try {

                    $icon = ‪BackendUtility::thumbCode(

                        $rowCopy,

                        $table,

                        $fieldName,

                        '',

                        '',

                        $config['uploadfolder'],

                        0,

                        ' align="middle"'

                    );

                    $thumbnailsHtml[] =

                        '<li>'

                        . '<span class="thumbnail">'

                        . $icon

                        . '</span>'

                        . '</li>';

                } catch (\‪Exception $exception) {

                    $message = $exception->getMessage();

                    $flashMessage = GeneralUtility::makeInstance(

                        FlashMessage::class,

                        $message,

                        '',

                        ‪FlashMessage::ERROR,

                        true

                    );

                    $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);

                    $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();

                    $defaultFlashMessageQueue->enqueue($flashMessage);

                    $this->logger->warning($message, ['table' => $table, 'row' => $row]);

                }

            }

        }


        $html = [];

        if (!empty($thumbnailsHtml)) {

            $html[] = '<ul class="list-inline">';

            $html[] =   implode(LF, $thumbnailsHtml);

            $html[] = '</ul>';

        }


        $result['html'] = implode(LF, $html);

        return $result;

    }

}