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Merge pull request openedx#389 from edx/feat/back-navigation-popup
[iOS] Add long tap and menu for custom navbar
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // | ||
| // BackNavigationButton.swift | ||
| // Core | ||
| // | ||
| // Created by Vadim Kuznetsov on 3.04.24. | ||
| // | ||
|
|
||
| import SwiftUI | ||
| import Theme | ||
|
|
||
| class BackButton: UIButton { | ||
| override func menuAttachmentPoint(for configuration: UIContextMenuConfiguration) -> CGPoint { | ||
| return .zero | ||
| } | ||
| } | ||
|
|
||
| public struct BackNavigationButtonRepresentable: UIViewRepresentable { | ||
| @ObservedObject var viewModel: BackNavigationButtonViewModel | ||
| var action: (() -> Void)? | ||
| var color: Color | ||
|
|
||
| init(action: (() -> Void)? = nil, color: Color, viewModel: BackNavigationButtonViewModel) { | ||
| self.viewModel = viewModel | ||
| self.action = action | ||
| self.color = color | ||
| } | ||
|
|
||
| public func makeUIView(context: Context) -> UIButton { | ||
| let button = BackButton(type: .custom) | ||
| let image = CoreAssets.arrowLeft.image.withRenderingMode(.alwaysTemplate) | ||
| button.setImage(image, for: .normal) | ||
| button.tintColor = UIColor(color) | ||
| button.contentHorizontalAlignment = .leading | ||
| button.addTarget(context.coordinator, action: #selector(Coordinator.buttonAction), for: .touchUpInside) | ||
| button.accessibilityIdentifier = "back_button" | ||
| return button | ||
| } | ||
|
|
||
| public func updateUIView(_ button: UIButton, context: Context) { | ||
| var actions: [UIAction] = [] | ||
| for item in viewModel.items { | ||
| let action = UIAction(title: item.title) {[weak viewModel] _ in | ||
| viewModel?.navigateTo(item: item) | ||
| } | ||
| actions.append(action) | ||
| } | ||
| button.menu = UIMenu(title: "", children: actions) | ||
| } | ||
|
|
||
| public func makeCoordinator() -> Coordinator { | ||
| Coordinator(action: action) | ||
| } | ||
|
|
||
| public class Coordinator: NSObject { | ||
| var action: (() -> Void)? | ||
| init(action: (() -> Void)?) { | ||
| self.action = action | ||
| } | ||
|
|
||
| @objc func buttonAction() { | ||
| action?() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public struct BackNavigationButton: View { | ||
| @StateObject var viewModel = BackNavigationButtonViewModel() | ||
| private let color: Color | ||
| private let action: (() -> Void)? | ||
|
|
||
| public init( | ||
| color: Color = Theme.Colors.accentXColor, | ||
| action: (() -> Void)? = nil | ||
| ) { | ||
| self.color = color | ||
| self.action = action | ||
| } | ||
|
|
||
| public var body: some View { | ||
| BackNavigationButtonRepresentable(action: action, color: color, viewModel: viewModel) | ||
| .onAppear { | ||
| viewModel.loadItems() | ||
| } | ||
|
|
||
| } | ||
| } | ||
| #if DEBUG | ||
| struct BackNavigationButton_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| BackNavigationButton() | ||
| } | ||
| } | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // | ||
| // BackNavigationButtonViewModel.swift | ||
| // Core | ||
| // | ||
| // Created by Vadim Kuznetsov on 3.04.24. | ||
| // | ||
|
|
||
| import Swinject | ||
| import UIKit | ||
|
|
||
| public protocol BackNavigationProtocol { | ||
| func getBackMenuItems() -> [BackNavigationMenuItem] | ||
| func navigateTo(item: BackNavigationMenuItem) | ||
| } | ||
|
|
||
| public struct BackNavigationMenuItem: Identifiable { | ||
| public var id: Int | ||
| public var title: String | ||
|
|
||
| public init(id: Int, title: String) { | ||
| self.id = id | ||
| self.title = title | ||
| } | ||
| } | ||
|
|
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| class BackNavigationButtonViewModel: ObservableObject { | ||
| private let helper: BackNavigationProtocol | ||
| @Published var items: [BackNavigationMenuItem] = [] | ||
|
|
||
| init() { | ||
| self.helper = Container.shared.resolve(BackNavigationProtocol.self)! | ||
| } | ||
|
|
||
| func loadItems() { | ||
| self.items = helper.getBackMenuItems() | ||
| } | ||
|
|
||
| func navigateTo(item: BackNavigationMenuItem) { | ||
| helper.navigateTo(item: item) | ||
| } | ||
| } |
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