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Custom Coordinatables on v2.0.0 #28
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Hi! Here is a quick and dirty example: class BurgerOpener: ObservableObject {
@Published var value: Bool
init(value: Bool) {
self.value = value
}
}
class SplitViewCoordinator<Master: Coordinatable, Detail: Coordinatable>: Coordinatable {
typealias Router = SplitViewRouter<Master, Detail>
public let master: Master
public let detail: Detail
var opened = BurgerOpener(value: false)
public func dismissChild(coordinator: AnyCoordinatable, action: (() -> Void)?) {
fatalError("Not implemented")
}
public weak var parent: AnyCoordinatable?
public func view() -> AnyView {
AnyView(
SplitViewCoordinatorView(
coordinator: self
)
)
}
public init(detail: Detail, master: Master) {
self.detail = detail
self.master = master
self.detail.parent = self
self.master.parent = self
}
func toggle() {
opened.value.toggle()
}
}
struct SplitViewCoordinatorView<Master: Coordinatable, Detail: Coordinatable>: View {
@ObservedObject var opened: BurgerOpener
let coordinator: SplitViewCoordinator<Master, Detail>
let router: SplitViewRouter<Master, Detail>
var body: some View {
Group {
if opened.value == true {
HStack {
coordinator.master.view()
coordinator.detail.view()
}
} else {
coordinator.master.view()
}
}
.environmentObject(router)
}
init(coordinator: SplitViewCoordinator<Master, Detail>) {
self.opened = coordinator.opened
self.coordinator = coordinator
self.router = SplitViewRouter(coordinator: coordinator)
RouterStore.shared.store(router: router)
}
}
class SplitViewRouter<Master: Coordinatable, Detail: Coordinatable>: Routable {
fileprivate weak var coordinator: SplitViewCoordinator<Master, Detail>!
init(coordinator: SplitViewCoordinator<Master, Detail>) {
self.coordinator = coordinator
}
func toggle() {
coordinator.toggle()
}
var detail: Detail {
coordinator.detail
}
var master: Master {
coordinator.master
}
} to use it: struct StinsenApp: App {
var body: some Scene {
WindowGroup {
SplitViewCoordinator(
detail: MainCoordinator(),
master: MainCoordinator()
).view()
}
}
} To fetch the router: @EnvironmentObject private var splitViewRouter: SplitViewCoordinator<MainCoordinator, MainCoordinator>.Router Hopefully this is easier to follow than in version 1. To you need to switch detail/master, thanks to the new system in version 2, if you replace the first MainCoordinator in with for instance class DetailCoordinator: NavigationCoordinatable {
var stack = NavigationStack(initial: \.a)
@Root var a = makeA
@Root var b = makeB
[...]
You can switch using: splitViewRouter.detail.setRoot(\.b) I think SplitView is a common enough use case, so maybe this should be provided as an example or even built into Stinsen itself - but I still haven't decided on the best course of action here... Suggestions? :) |
Thanks for your help! I was able to use the sample code you provided to create a custom SplitView on my App. I only found one issue though, I have this SplitViewCoordinator inside a custom By the way... I noticed that when I set the master and detail for the SplitViewCoordinator, if any of the views in the coordinators has a large navigation bar title, it doesn't display correctly (The status bar loses the color only on the part in which the large navigation title is). Sure, I have suggestions 😄 Let me create a separate issue for that! |
The reinitialization of the ViewModel sounds more like a SwiftUI issue than a Stinsen one (although it might be, but I checked the code quickly and it seems like we should persist views rather than recreate...) since SwiftUI will recreate views very often. Perhaps you can persist the viewmodel in the parent view, or maybe you can just try toggling the opacity/changing the offset instead of removing the view completely? |
Just wondering if you had an example of the hamburger menu using the new version, I can't seem to find it in the source.
I'm having trouble understanding how to write a custom router using the new system.
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