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编辑当前文件:/home2/sdektunc/.trash/administrator.7/components/com_fields/src/Controller/FieldController.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_fields
 *
 * @copyright   (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Fields\Administrator\Controller;

\defined('_JEXEC') or die;

use Joomla\CMS\Application\CMSApplication;
use Joomla\CMS\MVC\Controller\FormController;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\BaseDatabaseModel;
use Joomla\Component\Fields\Administrator\Helper\FieldsHelper;
use Joomla\Input\Input;
use Joomla\Registry\Registry;

/**
 * The Field controller
 *
 * @since  3.7.0
 */
class FieldController extends FormController
{
	/**
	 * @var    string
	 */
	private $internalContext;

/**
	 * @var    string
	 */
	private $component;

/**
	 * The prefix to use with controller messages.
	 *
	 * @var    string

* @since   3.7.0
	 */
	protected $text_prefix = 'COM_FIELDS_FIELD';

/**
	 * Constructor.
	 *
	 * @param   array                $config   An optional associative array of configuration settings.
	 * Recognized key values include 'name', 'default_task', 'model_path', and
	 * 'view_path' (this list is not meant to be comprehensive).
	 * @param   MVCFactoryInterface  $factory  The factory.
	 * @param   CMSApplication       $app      The JApplication for the dispatcher
	 * @param   Input                $input    Input
	 *
	 * @since   3.7.0
	 */
	public function __construct($config = array(), MVCFactoryInterface $factory = null, $app = null, $input = null)
	{
		parent::__construct($config, $factory, $app, $input);

$this->internalContext = $this->app->getUserStateFromRequest('com_fields.fields.context', 'context', 'com_content.article', 'CMD');
		$parts = FieldsHelper::extract($this->internalContext);
		$this->component = $parts ? $parts[0] : null;
	}

/**
	 * Method override to check if you can add a new record.
	 *
	 * @param   array  $data  An array of input data.
	 *
	 * @return  boolean
	 *
	 * @since   3.7.0
	 */
	protected function allowAdd($data = array())
	{
		return $this->app->getIdentity()->authorise('core.create', $this->component);
	}

/**
	 * Method override to check if you can edit an existing record.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key.
	 *
	 * @return  boolean
	 *
	 * @since   3.7.0
	 */
	protected function allowEdit($data = array(), $key = 'id')
	{
		$recordId = (int) isset($data[$key]) ? $data[$key] : 0;
		$user     = $this->app->getIdentity();

// Zero record (id:0), return component edit permission by calling parent controller method
		if (!$recordId)
		{
			return parent::allowEdit($data, $key);
		}

// Check edit on the record asset (explicit or inherited)
		if ($user->authorise('core.edit', $this->component . '.field.' . $recordId))
		{
			return true;
		}

// Check edit own on the record asset (explicit or inherited)
		if ($user->authorise('core.edit.own', $this->component . '.field.' . $recordId))
		{
			// Existing record already has an owner, get it
			$record = $this->getModel()->getItem($recordId);

if (empty($record))
			{
				return false;
			}

// Grant if current user is owner of the record
			return $user->id == $record->created_user_id;
		}

return false;
	}

/**
	 * Method to run batch operations.
	 *
	 * @param   object  $model  The model.
	 *
	 * @return  boolean   True if successful, false otherwise and internal error is set.
	 *
	 * @since   3.7.0
	 */
	public function batch($model = null)
	{
		$this->checkToken();

// Set the model
		$model = $this->getModel('Field');

// Preset the redirect
		$this->setRedirect('index.php?option=com_fields&view=fields&context=' . $this->internalContext);

return parent::batch($model);
	}

/**
	 * Gets the URL arguments to append to an item redirect.
	 *
	 * @param   integer  $recordId  The primary key id for the item.
	 * @param   string   $urlVar    The name of the URL variable for the id.
	 *
	 * @return  string  The arguments to append to the redirect URL.
	 *
	 * @since   3.7.0
	 */
	protected function getRedirectToItemAppend($recordId = null, $urlVar = 'id')
	{
		return parent::getRedirectToItemAppend($recordId) . '&context=' . $this->internalContext;
	}

/**
	 * Gets the URL arguments to append to a list redirect.
	 *
	 * @return  string  The arguments to append to the redirect URL.
	 *
	 * @since   3.7.0
	 */
	protected function getRedirectToListAppend()
	{
		return parent::getRedirectToListAppend() . '&context=' . $this->internalContext;
	}

/**
	 * Function that allows child controller access to model data after the data has been saved.
	 *
	 * @param   BaseDatabaseModel  $model      The data model object.
	 * @param   array              $validData  The validated data.
	 *
	 * @return  void
	 *
	 * @since   3.7.0
	 */
	protected function postSaveHook(BaseDatabaseModel $model, $validData = array())
	{
		$item = $model->getItem();

if (isset($item->params) && is_array($item->params))
		{
			$registry = new Registry;
			$registry->loadArray($item->params);
			$item->params = (string) $registry;
		}
	}
}