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el-hoshino/TestModel

Last active August 29, 2017 02:44
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ガチで Swift でプログラム組んで1年経っての心得 ref: http://qiita.com/lovee/items/555a5b76097347aa2367
Raw
file0.swift
let object = NSUserDefaults.standardUserDefaults().objectForKey("user data")
var data = object as? [String: Int]
var hp = data?["hp"]
//////いろいろ処理//////
if hp != nil {
hp = hp! + 2
data!["hp"] = hp!
} else {
hp = 2
data = ["hp": 2]
}
NSUserDefaults.standardUserDefaults().setObject(data, forKey: "user data")
Raw
file1.swift
let object = NSUserDefaults.standardUserDefaults().objectForKey("user data")
var data: [String: Int]! = object as? [String: Int]
if data == nil {
data = ["hp": 0]
}
var hp: Int! = data["hp"]
//////いろいろ処理//////
hp = hp + 2
data["hp"] = hp
NSUserDefaults.standardUserDefaults().setObject(data, forKey: "user data")
Raw
file10.swift
enum MyButtonType: Int {
case Button1 = 1, Button2, Button3, Button4
case Dummy
static let allValues = {() -> [MyButtonType] in
return [Int](Button1.rawValue ..< Dummy.rawValue).flatMap({ (value) -> MyButtonType? in
return MyButtonType(rawValue: value)
})
}()
}
extension UIButton {
var type: MyButtonType {
return MyButtonType(rawValue: self.tag) ?? .Dummy
}
}
class MyViewController: UIViewController {
override func viewDidLoad() {
for buttonType in MyButtonType.allValues {
let frame = CGRect(x: CGFloat(buttonType.rawValue) * 50, y: 0, width: 50, height: 50)
let button = UIButton(frame: frame)
button.addTarget(self, action: "onButtonTapped:", forControlEvents: .TouchUpInside)
button.tag = buttonType.rawValue
self.view.addSubview(button)
}
}
func onButtonTapped(sender: UIButton) {
switch sender.type {
case .Button1:
//Do Something
break
case .Button2:
//Do Something
break
case .Button3:
//Do Something
break
case .Button4:
//Do Something
break
case .Dummy:
break
}
}
}
Raw
file11.swift
enum MyButtonType: Int {
case Button1 = 1, Button2, Button3, Button4
case Dummy
static let allValues = {() -> [MyButtonType] in
return [Int](Button1.rawValue ..< Dummy.rawValue).flatMap({ (value) -> MyButtonType? in
return MyButtonType(rawValue: value)
})
}()
func buttonAction() {
switch self {
case .Button1:
//Do something
break
case .Button2:
//Do Something
break
case .Button3:
//Do something
break
case .Button4:
//Do something
break
case .Dummy:
break
}
}
}
extension UIButton {
var type: MyButtonType {
return MyButtonType(rawValue: self.tag) ?? .Dummy
}
}
class MyViewController: UIViewController {
override func viewDidLoad() {
for buttonType in MyButtonType.allValues {
let frame = CGRect(x: CGFloat(buttonType.rawValue) * 50, y: 0, width: 50, height: 50)
let button = UIButton(frame: frame)
button.addTarget(self, action: "onButtonTapped:", forControlEvents: .TouchUpInside)
button.tag = buttonType.rawValue
self.view.addSubview(button)
}
}
func onButtonTapped(sender: UIButton) {
sender.type.buttonAction()
}
}
Raw
file12.swift
class SomeClass {
var a = 1
}
struct SomeStruct {
var a = 1
}
let someClass = SomeClass()
let anotherClass = someClass
someClass.a
anotherClass.a = 3
someClass.a
let someStruct = SomeStruct()
let anotherStruct = someStruct
someStruct.a
anotherStruct.a = 3
someStruct.a
Raw
file13.swift
var someStruct = SomeStruct()
var anotherStruct = someStruct
someStruct.a
anotherStruct.a = 3
someStruct.a
Raw
file14.swift
class MyViewController: UIViewController {
override func viewDidLoad() {
let aChildView = UIView()
aChildView.tag = 100
self.view.addSubview(aChildView)
}
func setChildViewBackgroundTo(color: UIColor) {
if let aChildView = self.view.viewWithTag(100) {
aChildView.backgroundColor = color
}
}
}
Raw
file15.swift
var a = 1
var b: Int?
b = a
a = b
Raw
file16.swift
class A {
var b: B?
}
class B {
var a: A?
}
let a = A()
let b = B()
a.b = b
b.a = a
Raw
file17.swift
class Person {
var car: Car?
func goForADrive() {
self.car?.drive()
}
func buyGasoline() {
print("Go buy some gasoline")
}
}
class Car {
var owner: Person
init(owner: Person) {
self.owner = owner
}
func drive() {
print("Drive!")
}
func outOfGasoline() {
self.owner.buyGasoline()
}
}
let maki = Person()
let ferrari458Italia = Car(owner: maki)
maki.car = ferrari458Italia
maki.goForADrive()
ferrari458Italia.outOfGasoline()
Raw
file18.swift
class Person: CarDelegate {
var car: Car?
func goForADrive() {
self.car?.drive()
}
func buyGasoline() {
print("Go buy some gasoline")
}
func solveGasolineShortageProblem() {
self.buyGasoline()
}
}
class Car {
var delegate: CarDelegate?
func drive() {
print("Drive!")
}
func outOfGasoline() {
self.delegate?.solveGasolineShortageProblem()
}
}
protocol CarDelegate {
func solveGasolineShortageProblem()
}
let nishikinoMaki = Person()
let ferrari458Italia = Car()
nishikinoMaki.car = ferrari458Italia
ferrari458Italia.delegate = nishikinoMaki
nishikinoMaki.goForADrive()
ferrari458Italia.outOfGasoline()
Raw
file19.swift
class Person: CarDelegate {
//略
func sellMyCar() {
self.car = nil
print("458 イタリア売却しました")
}
func buyANewCar() {
let laFerrari = Car()
laFerrari.delegate = self
self.car = laFerrari
print("ラ フェラーリを購入しました")
}
func solveGasolineShortageProblem() {
self.sellMyCar()
self.buyANewCar()
}
}
Raw
file2.swift
let object = NSUserDefaults.standardUserDefaults().objectForKey("user data")
var data = object as? [String: Int] ?? [String: Int]()
var hp = data["hp"] ?? 0
//////いろいろ処理//////
hp = hp + 2
data["hp"] = hp
NSUserDefaults.standardUserDefaults().setObject(data, forKey: "user data")
Raw
file20.swift
protocol CarDelegate: class {
// 略…
}
Raw
file21.swift
class Car {
weak var delegate: CarDelegate?
// 略…
}
Raw
file22.swift
class Car {
weak var delegate: CarDelegate?
func drive() {
self.startEngine()
self.changeShift()
self.releaseSideBrake()
self.stepOnGasPedal()
}
func startEngine() {
print("Start Engine")
}
func changeShift() {
print("Change Shift")
}
func releaseSideBrake() {
print("Release Side Brake")
}
func stepOnGasPedal() {
print("GO! GO! GO!")
}
func outOfGasoline() {
self.delegate?.solveGasolineShortageProblem()
}
}
Raw
file23.swift
func goForADrive() {
self.car?.releaseSideBrake()
self.car?.startEngine()
self.car?.changeShift()
self.car?.stepOnGasPedal()
}
Raw
file24.swift
class Car {
weak var delegate: CarDelegate?
func drive() {
self.startEngine()
self.changeShift()
self.releaseSideBrake()
self.stepOnGasPedal()
}
private func startEngine() {
print("Start Engine")
}
private func changeShift() {
print("Change Shift")
}
private func releaseSideBrake() {
print("Release Side Brake")
}
private func stepOnGasPedal() {
print("GO! GO! GO!")
}
func outOfGasoline() {
self.delegate?.solveGasolineShortageProblem()
}
}
Raw
file25.swift
class SomeClass {
static var defaultObject: SomeClass = SomeClass()
private init() {
}
}
Raw
file29.swift
func appendString(string: String) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) { () -> Void in
self.displayedString += string
switch self.displayedString.characters.count {
case 0 ..< 20:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
case 20:
if let image = UIImage(named: "TestImage") {
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: image)
}
case 21:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: true)
default:
self.displayedString = "Hello, World!"
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
}
Raw
file3.swift
let object = NSUserDefaults.standardUserDefaults().objectForKey("user data")
var data = object as? [String: Int]
var hp = data?["hp"]
//////いろいろ処理//////
if var data = data, hp = hp {
hp += 2
data["hp"] = hp
} else {
let defaultHP = 2
hp = defaultHP
data = ["hp": defaultHP]
}
NSUserDefaults.standardUserDefaults().setObject(data, forKey: "user data")
Raw
file30.swift
func appendString(string: String) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) { () -> Void in
self.displayedString += string
switch self.displayedString.characters.count {
case 0 ..< 20:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
case 20:
if let image = UIImage(named: "TestImage") {
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: image)
}
case 21:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: true)
default:
self.displayedString = "Hello, World!"
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
}
Raw
file31.swift
func needsUpdate(sender: NSNotification) {
switch sender.object {
case let newString as String:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
self.label.text = newString
})
case let newImage as UIImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
let imageView = UIImageView(frame: self.label.frame)
imageView.contentMode = .ScaleAspectFill
imageView.image = newImage
self.addSubview(imageView)
})
case let removeImage as Bool where removeImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
for subview in self.subviews {
if subview is UIImageView {
subview.removeFromSuperview()
}
}
})
default:
break
}
}
Raw
file32.swift
func appendString(string: String) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) { () -> Void in
self.displayedString += string
switch self.displayedString.characters.count {
case 0 ..< 20:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
case 20:
if let image = UIImage(named: "TestImage") {
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: image)
}
case 21:
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: true)
default:
self.displayedString = "Hello, World!"
NSNotificationCenter.defaultCenter().postNotificationName("NewString", object: self.displayedString)
}
Raw
file33.swift
func needsUpdate(sender: NSNotification) {
switch sender.object {
case let newString as String:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
self.label.text = newString
})
case let newImage as UIImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
let imageView = UIImageView(frame: self.label.frame)
imageView.contentMode = .ScaleAspectFill
imageView.image = newImage
self.addSubview(imageView)
})
case let removeImage as Bool where removeImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
for subview in self.subviews {
if subview is UIImageView {
subview.removeFromSuperview()
}
}
})
default:
break
}
}
Raw
file34.swift
// TestModelDelegate
func display(something: NSObject) {
self.testView.display(something)
}
Raw
file35.swift
// TestModelDelegate
func display(something: NSObject) {
self.testView.display(something)
}
Raw
file37.swift
// TestModelDelegate
func display(something: NSObject) {
self.testView.display(something)
}
Raw
file4.swift
var result = 0.0
var a = 0.0
var b = 0.0
func calculate(function: () -> Double) {
print(result)
result = function()
print(result)
}
a = 1
b = 2
calculate({ a + b })
result
a = 3
b = 4
calculate({ a * b })
result
a = 5
b = 0
calculate({ () -> Double in
if b == 0 {
return 0
} else {
return a / b
}
})
result
Raw
file5.swift
class MyViewController: UIViewController {
var viewA: UIView!
var viewB: UIView!
override func viewDidLoad() {
self.viewA = UIView()
self.viewA.backgroundColor = .whiteColor()
self.viewA.hidden = true
self.view.addSubview(self.viewA)
self.viewB = UIView()
self.viewB.backgroundColor = .blackColor()
self.viewB.hidden = false
self.view.addSubview(self.viewA)
}
}
Raw
file6.swift
class MyViewController: UIViewController {
var viewA: UIView!
var viewB: UIView!
override func viewDidLoad() {
self.viewA = UIView()
self.viewA.backgroundColor = .whiteColor()
self.viewA.hidden = true
self.view.addSubview(self.viewA)
self.viewB = UIView()
self.viewA.backgroundColor = .redColor()
self.viewB.hidden = false
self.view.addSubview(self.viewB)
}
}
Raw
file7.swift
class MyViewController: UIViewController {
var viewA: UIView!
var viewB: UIView!
override func viewDidLoad() {
self.viewA = {() -> UIView in
let view = UIView()
view.backgroundColor = .whiteColor()
view.hidden = true
self.view.addSubview(view)
return view
}()
self.viewB = {() -> UIView in
let view = UIView()
view.backgroundColor = .redColor()
view.hidden = false
self.view.addSubview(view)
return view
}()
}
}
Raw
file8.swift
class MyViewController: UIViewController {
var viewA: UIView!
var viewB: UIView!
override func viewDidLoad() {
// Swift 2.X 系では do を使えば簡単に局部スコープ作れます
do {
let view = UIView()
view.backgroundColor = .whiteColor()
view.hidden = true
self.view.addSubview(view)
self.viewA = view
}
do {
let view = UIView()
view.backgroundColor = .redColor()
view.hidden = false
self.view.addSubview(view)
self.viewB = view
}
}
}
Raw
file9.swift
class MyViewController: UIViewController {
override func viewDidLoad() {
for i in 1 ... 4 {
let frame = CGRect(x: CGFloat(i) * 50, y: 0, width: 50, height: 50)
let button = UIButton(frame: frame)
button.addTarget(self, action: "onButtonTapped:", forControlEvents: .TouchUpInside)
button.tag = i
self.view.addSubview(button)
}
}
func onButtonTapped(sender: UIButton) {
switch sender.tag {
case 1:
//Do Something
break
case 2:
//Do Something
break
case 3:
//Do Something
break
case 4:
//Do Something
break
default:
break
}
}
}
Raw
TestModel
import UIKit
protocol TestModelDelegate {
func display(something: NSObject)
}
class TestModel: NSObject {
var displayedString: String
var delegate: TestModelDelegate?
override init() {
self.displayedString = "Hello, World!"
super.init()
}
func appendString(string: String) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) { () -> Void in
self.displayedString += string
switch self.displayedString.characters.count {
case 0 ..< 20:
self.delegate?.display(self.displayedString)
case 20:
if let image = UIImage(named: "TestImage.png") {
self.delegate?.display(image)
}
case 21:
self.delegate?.display(true)
default:
self.displayedString = "Hello, World!"
self.delegate?.display(self.displayedString)
}
}
}
}
Raw
TestView
import UIKit
class TestView: UIView {
let label: UILabel
override init(frame: CGRect) {
self.label = UILabel(frame: CGRect(origin: .zero, size: frame.size))
super.init(frame: frame)
self.addSubview(self.label)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func display(something: NSObject) {
switch something {
case let newString as String:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
self.label.text = newString
})
case let newImage as UIImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
let imageView = UIImageView(frame: self.label.frame)
imageView.contentMode = .ScaleAspectFill
imageView.image = newImage
self.addSubview(imageView)
})
case let removeImage as Bool where removeImage:
dispatch_async(dispatch_get_main_queue(), { () -> Void in
for subview in self.subviews {
if subview is UIImageView {
subview.removeFromSuperview()
}
}
})
default:
break
}
}
}
Raw
ViewController
import UIKit
class ViewController: UIViewController, TestModelDelegate {
var testModel: TestModel!
var testView: TestView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
self.testModel = TestModel()
self.testView = TestView(frame: CGRect(origin: .zero, size: self.view.frame.size))
self.testModel.delegate = self
self.testView.label.text = self.testModel.displayedString
self.view.addSubview(self.testView)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
override func touchesEnded(touches: Set<UITouch>, withEvent event: UIEvent?) {
self.testModel.appendString("!")
}
// TestModelDelegate
func display(something: NSObject) {
self.testView.display(something)
}
}
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