ClosureMiniKit

UIViewExtension.swift

//
//  UIViewExtension.swift
//  SwiftTester
//
//  Created by JulienGdt on 07/07/15.
//  Copyright (c) 2015 JulienGdt @jlngdt. All rights reserved.
//  @see https://gist.github.com/juliengdt/a80deda0ed2240b4d347
//

import UIKit

var blockAction: (() -> ()) = {}

extension UIView {
    /**
    Call this function to add a selector on touch. Prefer @whenTapped or @whenDoubleTapped

    :param: touchNumbers the given number of touchs needed to interact with
    :param: tapNumbers   the given number of taps needed to interact with
    */
	func whenTouch(NumberOfTouch touchNumbers: Int,NumberOfTaps tapNumbers: Int) -> Void {
        let tapGesture                     = UITapGestureRecognizer()
        tapGesture.numberOfTouchesRequired = touchNumbers
        tapGesture.numberOfTapsRequired    = tapNumbers
		tapGesture.addTarget(self, action: "tapActions")
		self.addGestureRecognizer(tapGesture)
	}

    /**
    Call this action to add a target on Tap of the given view

    :param: action The closure called on Tap
    */
	func whenTapped(action :(() -> Void)) {
		self.whenTouch(NumberOfTouch: 1, NumberOfTaps: 1)
		blockAction = action
	}

    /**
    Call this action to add a target on double tap of the given view

    :param: action The closure called on double tap
    */
	func whenDoubleTapped(action :(() -> Void)) {
		self.whenTouch(NumberOfTouch: 1, NumberOfTaps: 2)
		blockAction = action
	}

    func tapActions() {
		blockAction()
	}
}