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administrator/components/com_banners/controllers/banner.php

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+<?php
+/**
+ * @package     Joomla.Administrator
+ * @subpackage  com_banners
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+/**
+ * Banner controller class.
+ *
+ * @package     Joomla.Administrator
+ * @subpackage  com_banners
+ * @since       1.6
+ */
+class BannersControllerBanner extends JControllerForm
+{
+	/**
+	 * @var    string  The prefix to use with controller messages.
+	 * @since  1.6
+	 */
+	protected $text_prefix = 'COM_BANNERS_BANNER';
+
+	/**
+	 * Method override to check if you can add a new record.
+	 *
+	 * @param   array  $data  An array of input data.
+	 *
+	 * @return  boolean
+	 *
+	 * @since   1.6
+	 */
+	protected function allowAdd($data = array())
+	{
+		$user       = JFactory::getUser();
+		$filter     = $this->input->getInt('filter_category_id');
+		$categoryId = JArrayHelper::getValue($data, 'catid', $filter, 'int');
+		$allow      = null;
+
+		if ($categoryId)
+		{
+			// If the category has been passed in the URL check it.
+			$allow	= $user->authorise('core.create', $this->option . '.category.' . $categoryId);
+		}
+
+		if ($allow === null)
+		{
+			// In the absence of better information, revert to the component permissions.
+			return parent::allowAdd($data);
+		}
+		else
+		{
+			return $allow;
+		}
+	}
+
+	/**
+	 * Method override to check if you can edit an existing record.
+	 *
+	 * @param   array   $data  An array of input data.
+	 * @param   string  $key   The name of the key for the primary key.
+	 *
+	 * @return  boolean
+	 *
+	 * @since   1.6
+	 */
+	protected function allowEdit($data = array(), $key = 'id')
+	{
+		$user		= JFactory::getUser();
+		$recordId	= (int) isset($data[$key]) ? $data[$key] : 0;
+		$categoryId = 0;
+
+		if ($recordId)
+		{
+			$categoryId = (int) $this->getModel()->getItem($recordId)->catid;
+		}
+
+		if ($categoryId)
+		{
+			// The category has been set. Check the category permissions.
+			return $user->authorise('core.edit', $this->option . '.category.' . $categoryId);
+		}
+		else
+		{
+			// Since there is no asset tracking, revert to the component permissions.
+			return parent::allowEdit($data, $key);
+		}
+	}
+
+	/**
+	 * Method to run batch operations.
+	 *
+	 * @param   string  $model  The model
+	 *
+	 * @return  boolean  True on success.
+	 *
+	 * @since	2.5
+	 */
+	public function batch($model = null)
+	{
+		JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));
+
+		// Set the model
+		$model	= $this->getModel('Banner', '', array());
+
+		// Preset the redirect
+		$this->setRedirect(JRoute::_('index.php?option=com_banners&view=banners' . $this->getRedirectToListAppend(), false));
+
+		return parent::batch($model);
+	}
+
+}