ViewController.swift

//
//  ViewController.swift
//  SimpleAnimation
//
//  Created by Keith Ito on 04/18/2016.
//  Copyright (c) 2016 Keith Ito. All rights reserved.
//

import UIKit

private enum AnimationExampleType: String {
  case fadeIn = "fadeIn()"
  case fadeOut = "fadeOut()"
  case fadeColor = "fadeColor(toColor: .blue)"
  case popIn = "popIn()"
  case popOut = "popOut()"
  case slideInFromTop = "slideIn(from: .top)"
  case slideInFromBottom = "slideIn(from: .bottom)"
  case slideInFromLeft = "slideIn(from: .left)"
  case slideInFromRight = "slideIn(from: .right)"
  case slideOutToTop = "slideOut(to: .top)"
  case slideOutToBottom = "slideOut(to: .bottom)"
  case slideOutToLeft = "slideOut(to: .left)"
  case slideOutToRight = "slideOut(to: .right)"
  case bounceInFromTop = "bounceIn(from: .top)"
  case bounceInFromBottom = "bounceIn(from: .bottom)"
  case bounceInFromLeft = "bounceIn(from: .left)"
  case bounceInFromRight = "bounceIn(from: .right)"
  case bounceOutToTop = "bounceOut(to: .top)"
  case bounceOutToBottom = "bounceOut(to: .bottom)"
  case bounceOutToLeft = "bounceOut(to: .left)"
  case bounceOutToRight = "bounceOut(to: .right)"
  case shake = "shake()"
  case shakeTowardLeft = "shake(toward: .left)"
  case shakeTowardTop = "shake(toward: .top)"
  case hop = "hop()"
  case hopTowardTop = "hop(toward: .top)"
  case hopTowardBottom = "hop(toward: .bottom)"
  case hopTowardLeft = "hop(toward: .left)"
  case hopTowardRight = "hop(toward: .right)"
}

private let AllExamples: [AnimationExampleType] = [
  .fadeIn,
  .fadeOut,
  .fadeColor,
  .popIn,
  .popOut,
  .slideInFromTop,
  .slideInFromBottom,
  .slideInFromLeft,
  .slideInFromRight,
  .slideOutToTop,
  .slideOutToBottom,
  .slideOutToLeft,
  .slideOutToRight,
  .bounceInFromTop,
  .bounceInFromBottom,
  .bounceInFromLeft,
  .bounceInFromRight,
  .bounceOutToTop,
  .bounceOutToBottom,
  .bounceOutToLeft,
  .bounceOutToRight,
  .shake,
  .shakeTowardLeft,
  .shakeTowardTop,
  .hop,
  .hopTowardTop,
  .hopTowardBottom,
  .hopTowardLeft,
  .hopTowardRight,
]

class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
  @IBOutlet weak var animatedView: UIView!
  @IBOutlet weak var typePicker: UIPickerView!
  @IBOutlet weak var startButton: UIButton!

  override func viewDidLoad() {
    super.viewDidLoad()
    animatedView.layer.cornerRadius = 20
  }

  @IBAction func startButtonPressed(_ sender: AnyObject) {
    startAnimation(AllExamples[typePicker.selectedRow(inComponent: 0)])
  }

  func numberOfComponents(in pickerView: UIPickerView) -> Int {
    return 1
  }

  func pickerView(_ view: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
    return AllExamples.count
  }

  func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int,
                  reusing view: UIView?) -> UIView {
    let label = UILabel()
    label.text = AllExamples[row].rawValue
    label.font = UIFont(name: "Courier", size: 15)
    label.textAlignment = .center
    label.textColor = UIColor.black
    return label
  }

  private func startAnimation(_ type: AnimationExampleType) {
    animatedView.transform = .identity
    switch (type) {
    case .fadeIn:
      animatedView.fadeIn()
    case .fadeOut:
      animatedView.alpha = 1
      animatedView.fadeOut()
    case .fadeColor:
      animatedView.alpha = 1
      animatedView.fadeColor(toColor: .blue)
    case .popIn:
      animatedView.popIn()
    case .popOut:
      animatedView.alpha = 1
      animatedView.popOut()
    case .slideInFromTop:
      animatedView.slideIn(from: .top)
    case .slideInFromBottom:
      animatedView.slideIn(from: .bottom)
    case .slideInFromLeft:
      animatedView.slideIn(from: .left)
    case .slideInFromRight:
      animatedView.slideIn(from: .right)
    case .slideOutToTop:
      animatedView.alpha = 1
      animatedView.slideOut(to: .top)
    case .slideOutToBottom:
      animatedView.alpha = 1
      animatedView.slideOut(to: .bottom)
    case .slideOutToLeft:
      animatedView.alpha = 1
      animatedView.slideOut(to: .left)
    case .slideOutToRight:
      animatedView.alpha = 1
      animatedView.slideOut(to: .right)
    case .bounceInFromTop:
      animatedView.bounceIn(from: .top)
    case .bounceInFromBottom:
      animatedView.bounceIn(from: .bottom)
    case .bounceInFromLeft:
      animatedView.bounceIn(from: .left)
    case .bounceInFromRight:
      animatedView.bounceIn(from: .right)
    case .bounceOutToTop:
      animatedView.alpha = 1
      animatedView.bounceOut(to: .top)
    case .bounceOutToBottom:
      animatedView.alpha = 1
      animatedView.bounceOut(to: .bottom)
    case .bounceOutToLeft:
      animatedView.bounceOut(to: .left)
      animatedView.alpha = 1
    case .bounceOutToRight:
      animatedView.alpha = 1
      animatedView.bounceOut(to: .right)
    case .shake:
      animatedView.alpha = 1
      animatedView.shake()
    case .shakeTowardLeft:
      animatedView.alpha = 1
      animatedView.shake(toward: .left)
    case .shakeTowardTop:
      animatedView.alpha = 1
      animatedView.shake(toward: .top)
    case .hop:
      animatedView.alpha = 1
      animatedView.hop()
    case .hopTowardTop:
      animatedView.alpha = 1
      animatedView.hop(toward: .top)
    case .hopTowardBottom:
      animatedView.alpha = 1
      animatedView.hop(toward: .bottom)
    case .hopTowardLeft:
      animatedView.alpha = 1
      animatedView.hop(toward: .left)
    case .hopTowardRight:
      animatedView.alpha = 1
      animatedView.hop(toward: .right)
    }
  }
}