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89 lines
2.9 KiB
Swift
89 lines
2.9 KiB
Swift
// File created from SimpleUserProfileExample
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// $ createScreen.sh Room/UserSuggestion UserSuggestion
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//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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@available(iOS 14.0, *)
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struct UserSuggestionList: View {
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// MARK: - Properties
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// MARK: Private
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@Environment(\.theme) private var theme: ThemeSwiftUI
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// MARK: Public
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@ObservedObject var viewModel: UserSuggestionViewModel.Context
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// FIXME: This should be dynamic
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let rowHeight: CGFloat = 60.0
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let maxHeight: CGFloat = 300.0
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var body: some View {
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BackgroundView {
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List(viewModel.viewState.items) { item in
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Button {
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viewModel.send(viewAction: .selectedItem(item))
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} label: {
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UserSuggestionListItem(
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avatar: item.avatar,
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displayName: item.displayName,
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userId: item.id
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)
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.padding([.top, .bottom], 4.0)
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}
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}
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.listStyle(PlainListStyle())
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.environment(\.defaultMinListRowHeight, rowHeight)
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.frame(height: min(maxHeight, rowHeight * CGFloat(viewModel.viewState.items.count)))
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.id(UUID()) // Rebuild the whole list on item changes. Fixes performance issues.
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}
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}
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}
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@available(iOS 14.0, *)
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private struct BackgroundView<Content: View>: View {
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var content: () -> Content
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@Environment(\.theme) private var theme: ThemeSwiftUI
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private let shadowRadius: CGFloat = 20.0
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init(@ViewBuilder content: @escaping () -> Content) {
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self.content = content
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}
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var body: some View {
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VStack(content: content)
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.background(theme.colors.background)
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.clipShape(RoundedCornerShape(radius: shadowRadius, corners: [.topLeft, .topRight]))
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.shadow(color: .black.opacity(0.20), radius: 20.0, x: 0.0, y: 3.0)
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.mask(Rectangle().padding(.init(top: -(shadowRadius * 2), leading: 0.0, bottom: 0.0, trailing: 0.0)))
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.edgesIgnoringSafeArea(.all)
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}
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}
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// MARK: - Previews
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@available(iOS 14.0, *)
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struct UserSuggestion_Previews: PreviewProvider {
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static let stateRenderer = MockUserSuggestionScreenState.stateRenderer
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static var previews: some View {
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stateRenderer.screenGroup()
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}
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}
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