106 lines
3.9 KiB
Swift
106 lines
3.9 KiB
Swift
//
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// Copyright 2022 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 Compound
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import SwiftUI
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struct EmojiPickerScreen: View {
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@ObservedObject var context: EmojiPickerScreenViewModel.Context
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var selectedEmojis = Set<String>()
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@State var searchString = ""
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@State private var isSearching = false
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@ScaledMetric(relativeTo: .title) var minimumWidth: Double = 64
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private let feedbackGenerator = UIImpactFeedbackGenerator(style: .heavy)
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var body: some View {
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NavigationStack {
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ScrollView {
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LazyVGrid(columns: [GridItem(.adaptive(minimum: minimumWidth))], spacing: 16) {
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ForEach(context.viewState.categories) { category in
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Section {
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ForEach(category.emojis) { emoji in
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Button {
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feedbackGenerator.impactOccurred()
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context.send(viewAction: .emojiTapped(emoji: emoji))
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} label: {
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Text(emoji.value)
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.padding(9.0)
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.font(.compound.headingXL)
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.background(Circle()
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.foregroundColor(emojiBackgroundColor(for: emoji.value)))
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}
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}
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} header: {
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EmojiPickerScreenHeaderView(title: category.name)
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.padding(.horizontal, 13)
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.padding(.top, 10)
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}
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}
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}
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.padding(.horizontal, 6)
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}
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.navigationTitle(L10n.commonReactions)
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.navigationBarTitleDisplayMode(.inline)
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.toolbar { toolbar }
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.isSearching($isSearching)
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.searchable(text: $searchString, placement: .navigationBarDrawer(displayMode: .always))
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.compoundSearchField()
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}
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.presentationDetents([.medium, .large])
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.presentationDragIndicator(isSearching ? .hidden : .visible)
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.onChange(of: searchString) { _ in
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context.send(viewAction: .search(searchString: searchString))
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}
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}
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private func emojiBackgroundColor(for emoji: String) -> Color {
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if selectedEmojis.contains(emoji) {
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return .compound.bgActionPrimaryRest
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} else {
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return .clear
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}
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}
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@ToolbarContentBuilder
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var toolbar: some ToolbarContent {
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ToolbarItem(placement: .cancellationAction) {
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Button { context.send(viewAction: .dismiss) } label: {
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Text(L10n.actionCancel)
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}
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}
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}
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}
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// MARK: - Previews
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struct EmojiPickerScreen_Previews: PreviewProvider, TestablePreview {
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static let viewModel = EmojiPickerScreenViewModel(emojiProvider: EmojiProvider())
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static var previews: some View {
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EmojiPickerScreen(context: viewModel.context, selectedEmojis: ["😀", "😄"])
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.previewDisplayName("Screen")
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Text("Timeline view")
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.sheet(isPresented: .constant(true)) {
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EmojiPickerScreen(context: viewModel.context, selectedEmojis: ["😀", "😄"])
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}
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.previewDisplayName("Sheet")
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}
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}
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