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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 */
/**
* 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
*/
$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
*/
$this->_frontController = Zend_Controller_Front::getInstance();
}
return $this->_frontController;
}
/**
* Get layout object
*
* @return Zend_Layout
*/
public function getLayoutInstance()
{
if (null === $this->_layout) {
/**
* @see Zend_Layout
*/
if (null === ($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);
}
throw new Zend_Layout_Exception(sprintf("Invalid method '%s' called on layout action helper", $method));
}
}
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