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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Controller
  * @subpackage Zend_Controller_Action
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @version    $Id$
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /** Zend_Controller_Action_Helper_Abstract */
 // require_once 'Zend/Controller/Action/Helper/Abstract.php';
 
 /**
  * Helper for interacting with Zend_Layout objects
  *
  * @uses       Zend_Controller_Action_Helper_Abstract
  * @category   Zend
  * @package    Zend_Controller
  * @subpackage Zend_Controller_Action
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Layout_Controller_Action_Helper_Layout extends Zend_Controller_Action_Helper_Abstract
 {
     /**
      * @var Zend_Controller_Front
      */
     protected $_frontController;
 
     /**
      * @var Zend_Layout
      */
     protected $_layout;
 
     /**
      * @var bool
      */
     protected $_isActionControllerSuccessful = false;
 
     /**
      * Constructor
      *
      * @param  Zend_Layout $layout
      * @return void
      */
     public function __construct(Zend_Layout $layout = null)
     {
         if (null !== $layout) {
             $this->setLayoutInstance($layout);
         } else {
             /**
              * @see Zend_Layout
              */
             // require_once 'Zend/Layout.php';
             $layout = Zend_Layout::getMvcInstance();
         }
 
         if (null !== $layout) {
             $pluginClass = $layout->getPluginClass();
             $front = $this->getFrontController();
             if ($front->hasPlugin($pluginClass)) {
                 $plugin = $front->getPlugin($pluginClass);
                 $plugin->setLayoutActionHelper($this);
             }
         }
     }
 
     public function init()
     {
         $this->_isActionControllerSuccessful = false;
     }
 
     /**
      * Get front controller instance
      *
      * @return Zend_Controller_Front
      */
     public function getFrontController()
     {
         if (null === $this->_frontController) {
             /**
              * @see Zend_Controller_Front
              */
             // require_once 'Zend/Controller/Front.php';
             $this->_frontController = Zend_Controller_Front::getInstance();
         }
 
         return $this->_frontController;
     }
 
     /**
      * Get layout object
      *
      * @return Zend_Layout
      */
     public function getLayoutInstance()
     {
         if (null === $this->_layout) {
             /**
              * @see Zend_Layout
              */
             // require_once 'Zend/Layout.php';
             if (null === ($this->_layout = Zend_Layout::getMvcInstance())) {
                 $this->_layout = new Zend_Layout();
             }
         }
 
         return $this->_layout;
     }
 
     /**
      * Set layout object
      *
      * @param  Zend_Layout $layout
      * @return Zend_Layout_Controller_Action_Helper_Layout
      */
     public function setLayoutInstance(Zend_Layout $layout)
     {
         $this->_layout = $layout;
         return $this;
     }
 
     /**
      * Mark Action Controller (according to this plugin) as Running successfully
      *
      * @return Zend_Layout_Controller_Action_Helper_Layout
      */
     public function postDispatch()
     {
         $this->_isActionControllerSuccessful = true;
         return $this;
     }
 
     /**
      * Did the previous action successfully complete?
      *
      * @return bool
      */
     public function isActionControllerSuccessful()
     {
         return $this->_isActionControllerSuccessful;
     }
 
     /**
      * Strategy pattern; call object as method
      *
      * Returns layout object
      *
      * @return Zend_Layout
      */
     public function direct()
     {
         return $this->getLayoutInstance();
     }
 
     /**
      * Proxy method calls to layout object
      *
      * @param  string $method
      * @param  array $args
      * @return mixed
      */
     public function __call($method, $args)
     {
         $layout = $this->getLayoutInstance();
         if (method_exists($layout, $method)) {
             return call_user_func_array(array($layout, $method), $args);
         }
 
         // require_once 'Zend/Layout/Exception.php';
         throw new Zend_Layout_Exception(sprintf("Invalid method '%s' called on layout action helper", $method));
     }
 }