/**
* Get and/or set the View
*
* This method declares the View to be used by the Slim application.
* If the argument is a string, Slim will instantiate a new object
* of the same class. If the argument is an instance of View or a subclass
* of View, Slim will use the argument as the View.
*
* If a View already exists and this method is called to create a
* new View, data already set in the existing View will be
* transferred to the new View.
*
* @param string|\Slim\View $viewClass The name or instance of a \Slim\View subclass
* @return \Slim\View
*/
public function view($viewClass = null)
{
if (!is_null($viewClass)) {
$existingData = is_null($this->view) ? array() : $this->view->getData();
if ($viewClass instanceof \Slim\View) {
$this->view = $viewClass;
} else {
$this->view = new $viewClass();
}
$this->view->appendData($existingData);
$this->view->setTemplatesDirectory($this->config('templates.path'));
}
return $this->view;
}
