FileSystemNavigationFrameController.php

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<?php
namespace TYPO3\CMS\Backend\Controller;

use TYPO3\CMS\Backend\Utility\IconUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class FileSystemNavigationFrameController {

    // Internal, dynamic:
    // Content accumulates in this variable.
    public $content;

    public $foldertree;

    public $doc;

    public $backPath;

    // Internal, static: GPvar:
    public $currentSubScript;

    public $cMR;

    protected $scopeData;

    public function __construct() {
        $GLOBALS['SOBE'] = $this;
        $GLOBALS['BACK_PATH'] = '';
        $this->init();
    }

    protected function init() {
        // Setting backPath
        $this->backPath = $GLOBALS['BACK_PATH'];
        // Setting GPvars:
        $this->currentSubScript = GeneralUtility::_GP('currentSubScript');
        $this->cMR = GeneralUtility::_GP('cMR');

        $scopeData = (string) GeneralUtility::_GP('scopeData');
        $scopeHash = (string) GeneralUtility::_GP('scopeHash');

        if (!empty($scopeData) && GeneralUtility::hmac($scopeData) === $scopeHash) {
            $this->scopeData = unserialize($scopeData);
        }

        // Create folder tree object:
        if (!empty($this->scopeData)) {
            $this->foldertree = GeneralUtility::makeInstance($this->scopeData['class']);
            $this->foldertree->thisScript = $this->scopeData['script'];
            $this->foldertree->ext_noTempRecyclerDirs = $this->scopeData['ext_noTempRecyclerDirs'];
            $GLOBALS['SOBE']->browser = new \stdClass();
            $GLOBALS['SOBE']->browser->mode = $this->scopeData['browser']['mode'];
            $GLOBALS['SOBE']->browser->act = $this->scopeData['browser']['act'];
        } else {
            $this->foldertree = GeneralUtility::makeInstance('TYPO3\\CMS\\Filelist\\FileListFolderTree');
            $this->foldertree->thisScript = 'alt_file_navframe.php';
        }

        $this->foldertree->ext_IconMode = $GLOBALS['BE_USER']->getTSConfigVal('options.folderTree.disableIconLinkToContextmenu');
    }

    public function initPage() {
        // Setting highlight mode:
        $this->doHighlight = !$GLOBALS['BE_USER']->getTSConfigVal('options.pageTree.disableTitleHighlight');
        // Create template object:
        $this->doc = GeneralUtility::makeInstance('TYPO3\\CMS\\Backend\\Template\\DocumentTemplate');
        $this->doc->backPath = $GLOBALS['BACK_PATH'];
        $this->doc->setModuleTemplate('EXT:backend/Resources/Private/Templates/alt_file_navframe.html');
        $this->doc->showFlashMessages = FALSE;
        // Adding javascript code for AJAX (prototype), drag&drop and the filetree as well as the click menu code
        $this->doc->getDragDropCode('folders');
        $this->doc->getContextMenuCode();
        // Setting JavaScript for menu.
        $this->doc->JScode .= $this->doc->wrapScriptTags(($this->currentSubScript ? 'top.currentSubScript=unescape("' . rawurlencode($this->currentSubScript) . '");' : '') . '

        // setting prefs for foldertree
        Tree.ajaxID = "SC_alt_file_navframe::expandCollapse";

        // Function, loading the list frame from navigation tree:
        function jumpTo(id, linkObj, highlightID, bank) {
            var theUrl = top.TS.PATH_typo3 + top.currentSubScript ;
            if (theUrl.indexOf("?") != -1) {
                theUrl += "&id=" + id
            } else {
                theUrl += "?id=" + id
            }
            top.fsMod.currentBank = bank;
            top.TYPO3.Backend.ContentContainer.setUrl(theUrl);

            ' . ($this->doHighlight ? 'Tree.highlightActiveItem("file", highlightID + "_" + bank);' : '') . '
            if (linkObj) { linkObj.blur(); }
            return false;
        }
        ' . ($this->cMR ? ' jumpTo(top.fsMod.recentIds[\'file\'],\'\');' : ''));
    }

    public function main() {
        // Produce browse-tree:
        $tree = $this->foldertree->getBrowsableTree();
        // Outputting page tree:
        $this->content .= $tree;
        // Adding javascript for drag & drop activation and highlighting
        $this->content .= $this->doc->wrapScriptTags('
            ' . ($this->doHighlight ? 'Tree.highlightActiveItem("", top.fsMod.navFrameHighlightedID["file"]);' : '') . '
            Tree.registerDragDropHandlers();');
        // Setting up the buttons and markers for docheader
        $docHeaderButtons = $this->getButtons();
        $markers = array(
            'IMG_RESET' => '<img' . IconUtility::skinImg($GLOBALS['BACK_PATH'], 'gfx/close_gray.gif', ' width="16" height="16"') . ' id="treeFilterReset" alt="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.resetFilter') . '" ' . 'title="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.resetFilter') . '" />',
            'CONTENT' => $this->content
        );
        $subparts = array();
        // Possible filter/search like in page tree
        $subparts['###SECOND_ROW###'] = '';
        // Build the <body> for the module
        $this->content = $this->doc->startPage('TYPO3 Folder Tree');
        $this->content .= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers, $subparts);
        $this->content .= $this->doc->endPage();
        $this->content = $this->doc->insertStylesAndJS($this->content);
    }

    public function printContent() {
        echo $this->content;
    }

    protected function getButtons() {
        $buttons = array(
            'csh' => '',
            'refresh' => ''
        );
        // Refresh
        $buttons['refresh'] = '<a href="' . htmlspecialchars(GeneralUtility::getIndpEnv('REQUEST_URI')) . '">' . IconUtility::getSpriteIcon('actions-system-refresh') . '</a>';
        // CSH
        $buttons['csh'] = str_replace('typo3-csh-inline', 'typo3-csh-inline show-right', \TYPO3\CMS\Backend\Utility\BackendUtility::cshItem('xMOD_csh_corebe', 'filetree', $GLOBALS['BACK_PATH']));
        return $buttons;
    }

    /**********************************
     *
     * AJAX Calls
     *
     **********************************/
    public function ajaxExpandCollapse($params, $ajaxObj) {
        $this->init();
        $tree = $this->foldertree->getBrowsableTree();
        if ($this->foldertree->getAjaxStatus() === FALSE) {
            $ajaxObj->setError($tree);
        } else {
            $ajaxObj->addContent('tree', $tree);
        }
    }

}