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0097-adaptive-state-management-pt4/PrimeTime/Counter/CounterView_iOS.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| #if os(iOS) | ||
| import Combine | ||
| import ComposableArchitecture | ||
| import PrimeAlert | ||
| import PrimeModal | ||
| import SwiftUI | ||
|
|
||
| public struct CounterView: View { | ||
| struct State: Equatable { | ||
| let alertNthPrime: PrimeAlert? | ||
| let count: Int | ||
| let isNthPrimeButtonDisabled: Bool | ||
| let isPrimeModalShown: Bool | ||
| let isIncrementButtonDisabled: Bool | ||
| let isDecrementButtonDisabled: Bool | ||
| let nthPrimeButtonTitle: String | ||
| } | ||
| public enum Action { | ||
| case decrTapped | ||
| case incrTapped | ||
| case nthPrimeButtonTapped | ||
| case alertDismissButtonTapped | ||
| case isPrimeButtonTapped | ||
| case primeModalDismissed | ||
| case doubleTap | ||
| } | ||
|
|
||
| let store: Store<CounterFeatureState, CounterFeatureAction> | ||
| @ObservedObject var viewStore: ViewStore<State, Action> | ||
|
|
||
| public init(store: Store<CounterFeatureState, CounterFeatureAction>) { | ||
| print("CounterView.init") | ||
| self.store = store | ||
| self.viewStore = self.store | ||
| .scope( | ||
| value: State.init, | ||
| action: CounterFeatureAction.init | ||
| ) | ||
| .view | ||
| } | ||
|
|
||
| public var body: some View { | ||
| print("CounterView.body") | ||
| return VStack { | ||
| HStack { | ||
| Button("-") { self.viewStore.send(.decrTapped) } | ||
| .disabled(self.viewStore.value.isDecrementButtonDisabled) | ||
| Text("\(self.viewStore.value.count)") | ||
| Button("+") { self.viewStore.send(.incrTapped) } | ||
| .disabled(self.viewStore.value.isIncrementButtonDisabled) | ||
| } | ||
| Button("Is this prime?") { self.viewStore.send(.isPrimeButtonTapped) } | ||
| Button(self.viewStore.value.nthPrimeButtonTitle) { | ||
| self.viewStore.send(.nthPrimeButtonTapped) | ||
| } | ||
| .disabled(self.viewStore.value.isNthPrimeButtonDisabled) | ||
| } | ||
| .font(.title) | ||
| .navigationBarTitle("Counter demo") | ||
| .sheet( | ||
| isPresented: .constant(self.viewStore.value.isPrimeModalShown), | ||
| onDismiss: { self.viewStore.send(.primeModalDismissed) } | ||
| ) { | ||
| IsPrimeModalView( | ||
| store: self.store.scope( | ||
| value: { ($0.count, $0.favoritePrimes) }, | ||
| action: { .primeModal($0) } | ||
| ) | ||
| ) | ||
| } | ||
| .alert( | ||
| item: .constant(self.viewStore.value.alertNthPrime) | ||
| ) { alert in | ||
| Alert( | ||
| title: Text(alert.title), | ||
| dismissButton: .default(Text("Ok")) { | ||
| self.viewStore.send(.alertDismissButtonTapped) | ||
| } | ||
| ) | ||
| } | ||
| .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity) | ||
| .background(Color.white) | ||
| .onTapGesture(count: 2) { | ||
| self.viewStore.send(.doubleTap) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| extension CounterView.State { | ||
| init(counterFeatureState: CounterFeatureState) { | ||
| self.alertNthPrime = counterFeatureState.alertNthPrime | ||
| self.count = counterFeatureState.count | ||
| self.isNthPrimeButtonDisabled = counterFeatureState.isNthPrimeRequestInFlight | ||
| self.isPrimeModalShown = counterFeatureState.isPrimeDetailShown | ||
| self.isIncrementButtonDisabled = counterFeatureState.isNthPrimeRequestInFlight | ||
| self.isDecrementButtonDisabled = counterFeatureState.isNthPrimeRequestInFlight | ||
| self.nthPrimeButtonTitle = "What is the \(ordinal(counterFeatureState.count)) prime?" | ||
| } | ||
| } | ||
|
|
||
| extension CounterFeatureAction { | ||
| init(action: CounterView.Action) { | ||
| switch action { | ||
| case .decrTapped: | ||
| self = .counter(.decrTapped) | ||
| case .incrTapped: | ||
| self = .counter(.incrTapped) | ||
| case .nthPrimeButtonTapped: | ||
| self = .counter(.requestNthPrime) | ||
| case .alertDismissButtonTapped: | ||
| self = .counter(.alertDismissButtonTapped) | ||
| case .isPrimeButtonTapped: | ||
| self = .counter(.isPrimeButtonTapped) | ||
| case .primeModalDismissed: | ||
| self = .counter(.primeDetailDismissed) | ||
| case .doubleTap: | ||
| self = .counter(.requestNthPrime) | ||
| } | ||
| } | ||
| } | ||
| #endif |
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