// Our View Controllers will Adhere to this

protocol UIViewControllerProtocol {
    
}


// Add Default Behaviour

extension UIViewControllerProtocol where Self: UIViewController {
    func dismiss() {
        self.dismissViewControllerAnimated(true, completion: nil)
    }

 // the nib/view for the View Controller will always be MyViewController minus the Controller bit
  static var viewName: String {
        
        let string = String(Self)
        return string.stringByRemovingSuffix("Controller")
    }
    
    // just create a new View Controller linked to it's nib
    static func controller() -> Self {
        
        let controller = Self(nibName: self.viewName, bundle: NSBundle.mainBundle())
        return controller
    }
}


class ViewController: UIViewController {

func load() {
        
        let controller = NewViewController.controller() 
        
        let navigationController = UINavigationController(rootViewController: controller)
        let closeButton = UIBarButtonItem(title: "Close", style: UIBarButtonItemStyle.Plain, target: controller, action: Selector("dismiss"))
        navigationController.navigationBar.topItem?.setLeftBarButtonItem(closeButton, animated: true)
        
        self.presentViewController(navigationController, animated: true, completion: nil)
    }
}