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refactor(view, model, viewmodel): 优化代码写法

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优化代码写法

Signed-off-by: Ching <loooching@gmail.com>
This commit is contained in:
Ching 2023-02-12 22:45:13 +08:00
parent 189bfc0bb8
commit 449fa1b8e9
5 changed files with 41 additions and 33 deletions
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8
Memorize.xcodeproj/project.pbxproj
View File

@ -8,7 +8,7 @@
/* Begin PBXBuildFile section */
240EDC3F2998A3B900A46AC9 /* MemorizeApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = 240EDC3E2998A3B900A46AC9 /* MemorizeApp.swift */; };
240EDC412998A3B900A46AC9 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 240EDC402998A3B900A46AC9 /* ContentView.swift */; };
240EDC412998A3B900A46AC9 /* EmojiMemoryGameView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 240EDC402998A3B900A46AC9 /* EmojiMemoryGameView.swift */; };
240EDC432998A3BA00A46AC9 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 240EDC422998A3BA00A46AC9 /* Assets.xcassets */; };
240EDC462998A3BA00A46AC9 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 240EDC452998A3BA00A46AC9 /* Preview Assets.xcassets */; };
245099F32998EAD6000CE9DA /* MemoryGame.swift in Sources */ = {isa = PBXBuildFile; fileRef = 245099F22998EAD6000CE9DA /* MemoryGame.swift */; };
@ -18,7 +18,7 @@
/* Begin PBXFileReference section */
240EDC3B2998A3B900A46AC9 /* Memorize.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Memorize.app; sourceTree = BUILT_PRODUCTS_DIR; };
240EDC3E2998A3B900A46AC9 /* MemorizeApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MemorizeApp.swift; sourceTree = "<group>"; };
240EDC402998A3B900A46AC9 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
240EDC402998A3B900A46AC9 /* EmojiMemoryGameView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiMemoryGameView.swift; sourceTree = "<group>"; };
240EDC422998A3BA00A46AC9 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
240EDC452998A3BA00A46AC9 /* Preview Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = "Preview Assets.xcassets"; sourceTree = "<group>"; };
245099F22998EAD6000CE9DA /* MemoryGame.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MemoryGame.swift; sourceTree = "<group>"; };
@ -56,7 +56,7 @@
isa = PBXGroup;
children = (
240EDC3E2998A3B900A46AC9 /* MemorizeApp.swift */,
240EDC402998A3B900A46AC9 /* ContentView.swift */,
240EDC402998A3B900A46AC9 /* EmojiMemoryGameView.swift */,
245099F22998EAD6000CE9DA /* MemoryGame.swift */,
245099F42998EC71000CE9DA /* EmojiMemoryGame.swift */,
240EDC422998A3BA00A46AC9 /* Assets.xcassets */,
@ -144,7 +144,7 @@
buildActionMask = 2147483647;
files = (
245099F32998EAD6000CE9DA /* MemoryGame.swift in Sources */,
240EDC412998A3B900A46AC9 /* ContentView.swift in Sources */,
240EDC412998A3B900A46AC9 /* EmojiMemoryGameView.swift in Sources */,
240EDC3F2998A3B900A46AC9 /* MemorizeApp.swift in Sources */,
245099F52998EC71000CE9DA /* EmojiMemoryGame.swift in Sources */,
);

9
Memorize/EmojiMemoryGame.swift
View File

@ -9,21 +9,22 @@ import SwiftUI
// viewmodel
class EmojiMemoryGame: ObservableObject {
typealias Card = MemoryGame<String>.Card
static let emojis = ["🚌", "🚙", "🚗", "🚕", "🏎", "🚎", "🚓"]
static func createMemoryGame() -> MemoryGame<String> {
MemoryGame<String>(numberOfPairsOfCards: 5) { pairIndex in EmojiMemoryGame.emojis[pairIndex] }
MemoryGame<String>(numberOfPairsOfCards: emojis.count) { pairIndex in EmojiMemoryGame.emojis[pairIndex] }
}
@Published private var model: MemoryGame<String> = createMemoryGame()
@Published private var model = createMemoryGame()
var cards: [MemoryGame<String>.Card] {
var cards: [Card] {
return model.cards
}
// MARK: - Intent(s)
func choose(_ card: MemoryGame<String>.Card) {
func choose(_ card: Card) {
model.choose(card)
}
}

18
Memorize/ContentView.swift → Memorize/EmojiMemoryGameView.swift
View File

@ -1,5 +1,5 @@
//
// ContentView.swift
// EmojiMemoryGameView.swift
// Memorize
//
// Created by ching on 2023/2/12.
@ -7,15 +7,15 @@
import SwiftUI
struct ContentView: View {
@ObservedObject var viewModel: EmojiMemoryGame
struct EmojiMemoryGameView: View {
@ObservedObject var game: EmojiMemoryGame
var body: some View {
ScrollView {
LazyVGrid(columns: [GridItem(.adaptive(minimum: 65))]) {
ForEach(viewModel.cards) {
ForEach(game.cards) {
card in CardView(card: card).aspectRatio(2 / 3, contentMode: .fit)
.onTapGesture {
viewModel.choose(card)
game.choose(card)
}
}
}
@ -26,11 +26,11 @@ struct ContentView: View {
}
struct CardView: View {
let card: MemoryGame<String>.Card
let card: EmojiMemoryGame.Card
var body: some View {
ZStack {
let shape = RoundedRectangle(cornerRadius: 20.0)
if card.isFaceUp {
if card.isFaceUp && !card.isMatched {
shape.fill().foregroundColor(.white)
shape.strokeBorder(lineWidth: 3)
Text(card.content).font(.largeTitle)
@ -46,9 +46,9 @@ struct CardView: View {
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
let game = EmojiMemoryGame()
ContentView(viewModel: game)
EmojiMemoryGameView(game: game)
.preferredColorScheme(.dark)
ContentView(viewModel: game)
EmojiMemoryGameView(game: game)
.preferredColorScheme(.light)
}
}

2
Memorize/MemorizeApp.swift
View File

@ -12,7 +12,7 @@ struct MemorizeApp: App {
let game = EmojiMemoryGame()
var body: some Scene {
WindowGroup {
ContentView(viewModel: game)
EmojiMemoryGameView(game: game)
}
}
}

35
Memorize/MemoryGame.swift
View File

@ -10,7 +10,10 @@ import Foundation
// model
struct MemoryGame<CardContent> where CardContent: Equatable {
private(set) var cards: [Card]
private var indexOfTheOneAndOnlyFaceUpCard: Int?
private var indexOfTheOneAndOnlyFaceUpCard: Int? {
get { cards.indices.filter { cards[$0].isFaceUp }.oneAndOnly }
set { cards.indices.forEach { cards[$0].isFaceUp = ($0 == newValue) } }
}
mutating func choose(_ card: Card) {
if let chosenIndex = cards.firstIndex(where: { $0.id == card.id }), !cards[chosenIndex].isFaceUp, !cards[chosenIndex].isMatched {
@ -19,16 +22,10 @@ struct MemoryGame<CardContent> where CardContent: Equatable {
cards[chosenIndex].isMatched = true
cards[potentialMatchIndex].isMatched = true
}
indexOfTheOneAndOnlyFaceUpCard = nil
cards[chosenIndex].isFaceUp.toggle()
} else {
for index in cards.indices {
if cards[index].isFaceUp {
cards[index].isFaceUp.toggle()
}
}
indexOfTheOneAndOnlyFaceUpCard = chosenIndex
}
cards[chosenIndex].isFaceUp.toggle()
}
}
@ -42,8 +39,8 @@ struct MemoryGame<CardContent> where CardContent: Equatable {
}
init(numberOfPairsOfCards: Int, createCardContent: (Int) -> CardContent) {
cards = [Card]()
//
cards = []
for pairIndex in 0 ..< numberOfPairsOfCards {
let content: CardContent = createCardContent(pairIndex)
cards.append(Card(content: content, id: pairIndex * 2))
@ -52,9 +49,19 @@ struct MemoryGame<CardContent> where CardContent: Equatable {
}
struct Card: Identifiable {
var isFaceUp: Bool = false
var isMatched: Bool = false
var content: CardContent
var id: Int
var isFaceUp = false
var isMatched = false
let content: CardContent
let id: Int
}
}
extension Array {
var oneAndOnly: Element? {
if count == 1 {
return first
} else {
return nil
}
}
}