FolderBrowser.php

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<?php
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Recordlist\Browser;
 
use ‪TYPO3\CMS\Backend\Tree\View\ElementBrowserFolderTreeView;
use ‪TYPO3\CMS\Core\Imaging\Icon;
use ‪TYPO3\CMS\Core\Resource\Folder;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Recordlist\Tree\View\LinkParameterProviderInterface;
use ‪TYPO3\CMS\Recordlist\View\FolderUtilityRenderer;
 
class ‪FolderBrowser extends ‪AbstractElementBrowser implements ‪ElementBrowserInterface, ‪LinkParameterProviderInterface
{
    protected ‪$expandFolder;
 
    protected function ‪initialize()
    {
        parent::initialize();
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Recordlist/BrowseFolders');
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/LegacyTree', 'function() {
            DragDrop.table = "folders";
            Tree.registerDragDropHandlers();
        }');
    }
 
    protected function ‪initVariables()
    {
        parent::initVariables();
        $this->expandFolder = GeneralUtility::_GP('expandFolder');
    }
 
    public function ‪processSessionData($data)
    {
        if ($this->expandFolder !== null) {
            $data['expandFolder'] = ‪$this->expandFolder;
            $store = true;
        } else {
            $this->expandFolder = $data['expandFolder'];
            $store = false;
        }
        return [$data, $store];
    }
 
    public function ‪render()
    {
        $selectedFolder = null;
        if ($this->expandFolder) {
            $selectedFolder = GeneralUtility::makeInstance(ResourceFactory::class)->getFolderObjectFromCombinedIdentifier($this->expandFolder);
        }
 
        // Create folder tree:
        $folderTree = GeneralUtility::makeInstance(ElementBrowserFolderTreeView::class);
        $folderTree->setLinkParameterProvider($this);
        $tree = $folderTree->getBrowsableTree();
 
        $folders = '';
        if ($selectedFolder) {
            $folders = $this->‪renderFolders($selectedFolder);
        }
        if ($selectedFolder) {
            $folders .= GeneralUtility::makeInstance(FolderUtilityRenderer::class, $this)->createFolder($selectedFolder);
        }
 
        $this->‪setBodyTagParameters();
        $this->moduleTemplate->setTitle($this->‪getLanguageService()->getLL('folderSelector'));
        $view = $this->moduleTemplate->getView();
        $view->assignMultiple([
            'treeEnabled' => true,
            'tree' => $tree,
            'content' => $folders
        ]);
        return $this->moduleTemplate->renderContent();
    }
 
    protected function ‪renderFolders(‪Folder $parentFolder)
    {
        if (!$parentFolder->‪checkActionPermission('read')) {
            return '';
        }
        $content = '';
        $lang = $this->‪getLanguageService();
        $folders = $parentFolder->‪getSubfolders();
        $folderIdentifier = $parentFolder->‪getCombinedIdentifier();
 
        // Create headline (showing number of folders):
        $content .= '<h3>' . sprintf(htmlspecialchars($lang->getLL('folders')) . ' (%s):', count($folders)) . '</h3>';
 
        $titleLength = (int)$this->‪getBackendUser()->uc['titleLen'];
        // Create the header of current folder:
        $folderIcon = '<a href="#" data-folder-id="' . htmlspecialchars($folderIdentifier) . '" data-close="1">';
        $folderIcon .= $this->iconFactory->getIcon('apps-filetree-folder-default', ‪Icon::SIZE_SMALL);
        $folderIcon .= htmlspecialchars(GeneralUtility::fixed_lgd_cs($parentFolder->‪getName(), $titleLength));
        $folderIcon .= '</a>';
        $content .= $folderIcon . '<br />';
 
        $lines = [];
        // Traverse the folder list:
        foreach ($folders as $subFolder) {
            $subFolderIdentifier = $subFolder->getCombinedIdentifier();
            // Create folder icon:
            $icon = '<span style="width: 16px; height: 16px; display: inline-block;"></span>';
            $icon .= '<span title="' . htmlspecialchars($subFolder->getName()) . '">' . $this->iconFactory->getIcon('apps-filetree-folder-default', ‪Icon::SIZE_SMALL) . '</span>';
            // Create links for adding the folder:
            $aTag = '<a href="#" data-folder-id="' . htmlspecialchars($subFolderIdentifier) . '" data-close="0">';
            $aTag_alt = '<a href="#" data-folder-id="' . htmlspecialchars($subFolderIdentifier) . '" data-close="1">';
            if (strpos($subFolderIdentifier, ',') !== false || strpos($subFolderIdentifier, '|') !== false) {
                // In case an invalid character is in the filepath, display error message:
                $errorMessage = sprintf(htmlspecialchars($lang->getLL('invalidChar')), ', |');
                $aTag = '<a href="#" class="t3js-folderIdError" data-message="' . $errorMessage . '">';
            }
            $aTag_e = '</a>';
            // Combine icon and folderpath:
            $foldernameAndIcon = $aTag_alt . $icon . htmlspecialchars(GeneralUtility::fixed_lgd_cs($subFolder->getName(), $titleLength)) . $aTag_e;
            $lines[] = '
                <tr>
                    <td class="nowrap">' . $foldernameAndIcon . '&nbsp;</td>
                    <td>' . $aTag . '<span title="' . htmlspecialchars($lang->getLL('addToList')) . '">' . $this->iconFactory->getIcon('actions-add', ‪Icon::SIZE_SMALL)->render() . '</span>' . $aTag_e . '</td>
                    <td>&nbsp;</td>
                </tr>';
            $lines[] = '
                    <tr>
                        <td colspan="3"><span style="width: 1px; height: 3px; display: inline-block;"></span></td>
                    </tr>';
        }
        // Wrap all the rows in table tags:
        $content .= '
 
    <!--
        Folder listing
    -->
            <table border="0" cellpadding="0" cellspacing="1" id="typo3-folderList">
                ' . implode('', $lines) . '
            </table>';
 
        return $content;
    }
 
    protected function ‪getBodyTagAttributes()
    {
        return [
            'data-mode' => 'folder'
        ];
    }
 
    public function ‪getUrlParameters(array $values)
    {
        return [
            'mode' => 'folder',
            'expandFolder' => $values['identifier'] ?? ‪$this->expandFolder,
            'bparams' => ‪$this->bparams
        ];
    }
 
    public function ‪isCurrentlySelectedItem(array $values)
    {
        return false;
    }
 
    public function ‪getScriptUrl()
    {
        return ‪$this->thisScript;
    }
}