view.html.php
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<?php
/**
* @package Joomla.Administrator
* @subpackage com_contenthistory
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* View class for a list of contenthistory.
*
* @since 1.5
*/
class ContenthistoryViewPreview extends JViewLegacy
{
protected $items;
protected $state;
/**
* Method to display the view.
*
* @param string $tpl A template file to load. [optional]
*
* @return mixed Exception on failure, void on success.
*
* @since 3.2
*/
public function display($tpl = null)
{
$this->state = $this->get('State');
$this->item = $this->get('Item');
if (false === $this->item)
{
JFactory::getLanguage()->load('com_content', JPATH_SITE, null, true);
JError::raiseError(404, JText::_('COM_CONTENT_ERROR_ARTICLE_NOT_FOUND'));
return false;
}
// Check for errors.
if (count($errors = $this->get('Errors')))
{
throw new Exception(implode("\n", $errors), 500);
}
return parent::display($tpl);
}
}