UIViewExtensions.swift

import UIKit

extension UIView {
    class func toString() -> String {
        let name = NSStringFromClass(self)
        let components = name.componentsSeparatedByString(".")
        
        guard let classString = components.last
            else { fatalError("") }
        
        return classString
    }
    
    class func ocw_nibNamed(nibName: String) -> UINib {
        return UINib(nibName: nibName, bundle: NSBundle.mainBundle())
    }
    
    class func ocw_nib() -> UINib {
        return ocw_nibNamed(self.toString())
    }
    
    class func ocw_instantiateWithNibNamed(nibName: String) -> AnyObject {
        let nib = ocw_nibNamed(nibName)
        let objects = nib.instantiateWithOwner(nil, options: nil)
        
        guard let object = objects.first else {
            fatalError("Error: couldn't create nib named \(nibName)")
        }
        
        return object
    }
    
    class func ocw_instantiateFromNib() -> AnyObject {
        return ocw_instantiateWithNibNamed(self.toString())
    }
}