<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\View\Helper;
use Zend\View\Model\ModelInterface as Model;
/**
* Helper for storing and retrieving the root and current view model
*/
class ViewModel extends AbstractHelper
{
/**
* @var Model
*/
protected $current;
/**
* @var Model
*/
protected $root;
/**
* Set the current view model
*
* @param Model $model
* @return ViewModel
*/
public function setCurrent(Model $model)
{
$this->current = $model;
return $this;
}
/**
* Get the current view model
*
* @return null|Model
*/
public function getCurrent()
{
return $this->current;
}
/**
* Is a current view model composed?
*
* @return bool
*/
public function hasCurrent()
{
return ($this->current instanceof Model);
}
/**
* Set the root view model
*
* @param Model $model
* @return ViewModel
*/
public function setRoot(Model $model)
{
$this->root = $model;
return $this;
}
/**
* Get the root view model
*
* @return null|Model
*/
public function getRoot()
{
return $this->root;
}
/**
* Is a root view model composed?
*
* @return bool
*/
public function hasRoot()
{
return ($this->root instanceof Model);
}
}