core-bundle/src/Resources/contao/drivers/DC_Folder.php
public function ajaxTreeView($strFolder, $level)
	{
		if (!Environment::get('isAjaxRequest'))
		{
			return '';
		}

		/** @var Session $objSession */
		$objSession = System::getContainer()->get('session');

		$blnClipboard = false;
		$arrClipboard = $objSession->get('CLIPBOARD');

		// Check clipboard
		if (!empty($arrClipboard[$this->strTable]))
		{
			$blnClipboard = true;
			$arrClipboard = $arrClipboard[$this->strTable];
		}

		$this->import(Files::class, 'Files');
		$this->import(BackendUser::class, 'User');

		return $this->generateTree($this->strRootDir.'/'.$strFolder, ($level * 20), false, $this->isProtectedPath($strFolder), ($blnClipboard ? $arrClipboard : false));
	}
public function ajaxTreeView($strFolder, $level)
	{
		if (!Environment::get('isAjaxRequest'))
		{
			return '';
		}

		/** @var Session $objSession */
		$objSession = System::getContainer()->get('session');

		$blnClipboard = false;
		$arrClipboard = $objSession->get('CLIPBOARD');

		// Check clipboard
		if (!empty($arrClipboard[$this->strTable]))
		{
			$blnClipboard = true;
			$arrClipboard = $arrClipboard[$this->strTable];
		}

		$this->import(Files::class, 'Files');
		$this->import(BackendUser::class, 'User');

		return $this->generateTree($this->strRootDir.'/'.$strFolder, ($level * 20), false, $this->isProtectedPath($strFolder), ($blnClipboard ? $arrClipboard : false));
	}
public function ajaxTreeView ( $ strFolder , $ level ) { if ( ! Environment :: get ( 'isAjaxRequest' ) ) { return '' ; } /** @var Session $objSession */ $ objSession = System :: getContainer ( ) -> get ( 'session' ) ; $ blnClipboard = false ; $ arrClipboard = $ objSession -> get ( 'CLIPBOARD' ) ; // Check clipboard if ( ! empty ( $ arrClipboard [ $ this -> strTable ] ) ) { $ blnClipboard = true ; $ arrClipboard = $ arrClipboard [ $ this -> strTable ] ; } $ this -> import ( Files :: class , 'Files' ) ; $ this -> import ( BackendUser :: class , 'User' ) ; return $ this -> generateTree ( $ this -> strRootDir . '/' . $ strFolder , ( $ level * 20 ) , false , $ this -> isProtectedPath ( $ strFolder ) , ( $ blnClipboard ? $ arrClipboard : false ) ) ; }
Generate a particular subpart of the tree and return it as HTML string

@param string  $strFolder
@param integer $level

@return string
Generate a particular subpart of the tree and return it as HTML string