63 lines
2.1 KiB
Swift
63 lines
2.1 KiB
Swift
import SwiftUI
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import ComposableArchitecture
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import Utils
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struct WithStateBinding<T: Equatable, Content: View>: View {
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@State var localState: T
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@Binding private var externalBindng: T
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private var content: (Binding<T>) -> Content
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init(binding: Binding<T>, content: @escaping (Binding<T>) -> Content) {
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_externalBindng = binding
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_localState = State(initialValue: binding.wrappedValue)
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self.content = content
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}
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var body: some View {
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content($localState)
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.onChange(of: localState) { externalBindng = $0 }
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}
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}
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// MARK: - Previews
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struct WithStateBinding_Previews: PreviewProvider {
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static var previews: some View {
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NavigationView {
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// swiftlint:disable:next large_tuple
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StateContainer(initialState: (false, false, false)) { (binding: Binding<(Bool, Bool, Bool)>) in
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List {
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NavigationLink(
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isActive: binding.0,
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destination: { Text("Standard State Binding") },
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label: { Text("Standard State Binding") }
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)
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NavigationLink(
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isActive: Binding(
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get: { binding.1.wrappedValue },
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set: { binding.1.wrappedValue = $0 }
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),
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destination: { Text("Custom Binding") },
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label: { Text("Custom Binding") }
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)
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WithStateBinding(
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binding: Binding(
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get: { binding.2.wrappedValue },
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set: { binding.2.wrappedValue = $0 }
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),
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content: {
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NavigationLink(
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isActive: $0,
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destination: { Text("Wrapped Custom Binding") },
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label: { Text("Wrapped Custom Binding") }
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)
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}
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)
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}
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}
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}
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}
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}
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