Load object to instance

UIView+loadFromNib.swift

//
//  UIView+loadFromNib.swift
//
//  Created by Artem Krachulov
//  Copyright (c) 2016 Artem Krachulov. All rights reserved.
//	http://www.artemkrachulov.com
//

import UIKit

extension UIView {

	/// Load object to instance where current method was initialized
	///
	/// - Parameters:
	///     - name: Xib or Nib file name. Nil value will use class name
	///     - bundle: An NSBundle object. Nil value will returns the NSBundle object that corresponds to the directory.
	///     - index: Object index from Xib or Nib file.
	func loadFromNib(name: String!, bundle: NSBundle!, index: UInt = 0) {

		if let view = UIView.loadFromNib(name ?? NSStringFromClass(self.dynamicType).componentsSeparatedByString(".").last!, owner: self, bundle: bundle, index: index) {
			
			view.frame = bounds
			view.autoresizingMask = [.FlexibleWidth, .FlexibleHeight]     
			addSubview(view)
		} else {
      print("Error \(self.dynamicType) \(#function) \n")
			print("Can't initialize view \n")
		}
	}
  
	/// Return object from Xib or Nib file.
	///
	/// - Parameters:
	///     - name: Xib or Nib file name.
	///     - owner: The object to assign as the nib’s File's Owner object.
	///     - bundle: An NSBundle object. Nil value will returns the NSBundle object that corresponds to the directory.
	///     - index: Object index from Xib or Nib file.
	class func loadFromNib(name: String, owner: AnyObject!, bundle: NSBundle!, index: UInt = 0) -> UIView! {
		
		let objects = (bundle ?? NSBundle.mainBundle()).loadNibNamed(name, owner: owner, options: nil)
    
		let _index = Int(index)
		
		guard _index <= objects.count - 1 else {
      print("Error \(self.dynamicType) \(#function) \n")
      print("Index \"\(index)\" out of objects array range \n")
			return nil
		}

		return objects[_index] as! UIView
	}
}