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编辑当前文件:/home2/sdektunc/.trash/administrator/components/com_categories/src/Controller/DisplayController.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_categories
 *
 * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Categories\Administrator\Controller;

\defined('_JEXEC') or die;

use Joomla\CMS\Application\CMSApplication;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\Router\Route;
use Joomla\Input\Input;

/**
 * Categories view class for the Category package.
 *
 * @since  1.6
 */
class DisplayController extends BaseController
{
	/**
	 * The default view.
	 *
	 * @var    string
	 * @since  1.6
	 */
	protected $default_view = 'categories';

/**
	 * The extension for which the categories apply.
	 *
	 * @var    string
	 * @since  1.6
	 */
	protected $extension;

/**
	 * Constructor.
	 *
	 * @param   array                     $config   An optional associative array of configuration settings.
	 * @param   MVCFactoryInterface|null  $factory  The factory.
	 * @param   CMSApplication|null       $app      The JApplication for the dispatcher
	 * @param   Input|null                $input    Input
	 *
	 * @since   3.0
	 */
	public function __construct($config = array(), MVCFactoryInterface $factory = null, $app = null, $input = null)
	{
		parent::__construct($config, $factory, $app, $input);

// Guess the Text message prefix. Defaults to the option.
		if (empty($this->extension))
		{
			$this->extension = $this->input->get('extension', 'com_content');
		}
	}

/**
	 * Method to display a view.
	 *
	 * @param   boolean  $cachable   If true, the view output will be cached
	 * @param   array    $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link \JFilterInput::clean()}.
	 *
	 * @return  static|boolean  This object to support chaining.
	 *
	 * @since   1.5
	 */
	public function display($cachable = false, $urlparams = array())
	{
		// Get the document object.
		$document = $this->app->getDocument();

// Set the default view name and format from the Request.
		$vName   = $this->input->get('view', 'categories');
		$vFormat = $document->getType();
		$lName   = $this->input->get('layout', 'default', 'string');
		$id      = $this->input->getInt('id');

// Check for edit form.
		if ($vName == 'category' && $lName == 'edit' && !$this->checkEditId('com_categories.edit.category', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			if (!\count($this->app->getMessageQueue()))
			{
				$this->setMessage(Text::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id), 'error');
			}

$this->setRedirect(Route::_('index.php?option=com_categories&view=categories&extension=' . $this->extension, false));

return false;
		}

// Get and render the view.
		if ($view = $this->getView($vName, $vFormat))
		{
			// Get the model for the view.
			$model = $this->getModel($vName, 'Administrator', array('name' => $vName . '.' . substr($this->extension, 4)));

// Push the model into the view (as default).
			$view->setModel($model, true);
			$view->setLayout($lName);

// Push document object into the view.
			$view->document = $document;
			$view->display();
		}

return $this;
	}
}