ba991598be
- 在CreateFeedFeature中新增isPresented依赖，确保在适当的上下文中执行视图关闭操作。 - 在FeedFeature中优化状态管理，简化CreateFeedView的呈现逻辑。 - 新增FeedListFeature和MainFeature，整合FeedListView和底部导航功能，提升用户体验。 - 更新HomeView和SplashView以集成MainView，确保应用结构一致性。 - 在多个视图中调整状态管理和导航逻辑，增强可维护性和用户体验。
240 lines
10 KiB
Swift
240 lines
10 KiB
Swift
import SwiftUI
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import ComposableArchitecture
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import PhotosUI
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struct CreateFeedView: View {
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let store: StoreOf<CreateFeedFeature>
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@State private var keyboardHeight: CGFloat = 0
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var body: some View {
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NavigationStack {
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GeometryReader { geometry in
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VStack(spacing: 0) {
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// 背景色
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Color(hex: 0x0C0527)
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.ignoresSafeArea()
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// 主要内容区域（无ScrollView）
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VStack(spacing: 20) {
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// 内容输入区域
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VStack(alignment: .leading, spacing: 12) {
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// 文本输入框
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ZStack(alignment: .topLeading) {
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.white.opacity(0.1))
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.frame(height: 200) // 高度固定为200
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if store.content.isEmpty {
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Text("Enter Content")
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.foregroundColor(.white.opacity(0.5))
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.padding(.horizontal, 16)
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.padding(.vertical, 12)
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}
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TextEditor(text: .init(
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get: { store.content },
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set: { store.send(.contentChanged($0)) }
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))
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.foregroundColor(.white)
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.background(Color.clear)
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.padding(.horizontal, 12)
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.padding(.vertical, 8)
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.scrollContentBackground(.hidden)
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.frame(height: 200) // 高度固定为200
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}
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// 字符计数
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HStack {
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Spacer()
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Text("\(store.characterCount)/500")
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.font(.system(size: 12))
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.foregroundColor(
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store.characterCount > 500 ? .red : .white.opacity(0.6)
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)
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}
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}
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.padding(.horizontal, 20)
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.padding(.top, 20)
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// 图片选择区域
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VStack(alignment: .leading, spacing: 12) {
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if !store.processedImages.isEmpty || store.canAddMoreImages {
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ModernImageSelectionGrid(
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images: store.processedImages,
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selectedItems: store.selectedImages,
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canAddMore: store.canAddMoreImages,
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onItemsChanged: { items in
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store.send(.photosPickerItemsChanged(items))
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},
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onRemoveImage: { index in
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store.send(.removeImage(index))
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}
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)
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}
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}
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.padding(.horizontal, 20)
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// 加载状态
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if store.isLoading {
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HStack {
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white))
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Text("处理图片中...")
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.8))
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}
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.padding(.top, 10)
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}
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// 错误提示
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if let error = store.errorMessage {
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Text(error)
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.font(.system(size: 14))
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.foregroundColor(.red)
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.padding(.horizontal, 20)
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.multilineTextAlignment(.center)
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}
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// 底部间距，确保内容不被键盘遮挡
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Color.clear.frame(height: max(keyboardHeight, geometry.safeAreaInsets.bottom) + 100)
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}
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.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
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.ignoresSafeArea(.keyboard, edges: .bottom)
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// 底部发布按钮 - 固定在底部
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VStack {
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Button(action: {
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store.send(.publishButtonTapped)
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}) {
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HStack {
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if store.isLoading {
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white))
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.scaleEffect(0.8)
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Text("发布中...")
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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} else {
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Text("发布")
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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}
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}
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.frame(maxWidth: .infinity)
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.frame(height: 50)
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.background(
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Color(hex: 0x0C0527)
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)
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.cornerRadius(25)
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.disabled(store.isLoading || !store.canPublish)
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.opacity(store.isLoading || !store.canPublish ? 0.6 : 1.0)
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}
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.padding(.horizontal, 20)
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.padding(.bottom, max(keyboardHeight, geometry.safeAreaInsets.bottom) + 20)
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}
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.background(
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Color(hex: 0x0C0527)
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)
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}
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}
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.navigationTitle("图文发布")
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.navigationBarTitleDisplayMode(.inline)
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.toolbarBackground(.hidden, for: .navigationBar)
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.navigationBarBackButtonHidden(true)
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.toolbar {
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ToolbarItem(placement: .navigationBarLeading) {
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Button(action: {
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store.send(.dismissView)
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}) {
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Image(systemName: "xmark")
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.font(.system(size: 18, weight: .medium))
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.foregroundColor(.white)
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}
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}
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// 移除右上角发布按钮
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}
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}
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.preferredColorScheme(.dark)
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.onReceive(NotificationCenter.default.publisher(for: UIResponder.keyboardWillShowNotification)) { notification in
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if let keyboardFrame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect {
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keyboardHeight = keyboardFrame.height
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}
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}
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.onReceive(NotificationCenter.default.publisher(for: UIResponder.keyboardWillHideNotification)) { _ in
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keyboardHeight = 0
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}
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}
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}
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// MARK: - iOS 16+ 图片选择网格组件
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struct ModernImageSelectionGrid: View {
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let images: [UIImage]
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let selectedItems: [PhotosPickerItem]
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let canAddMore: Bool
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let onItemsChanged: ([PhotosPickerItem]) -> Void
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let onRemoveImage: (Int) -> Void
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private let columns = Array(repeating: GridItem(.flexible(), spacing: 8), count: 3)
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var body: some View {
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WithPerceptionTracking {
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LazyVGrid(columns: columns, spacing: 8) {
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// 显示已选择的图片
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ForEach(Array(images.enumerated()), id: \.offset) { index, image in
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ZStack(alignment: .topTrailing) {
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Image(uiImage: image)
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(height: 100)
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.clipped()
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.cornerRadius(8)
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// 删除按钮
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Button(action: {
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onRemoveImage(index)
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}) {
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Image(systemName: "xmark.circle.fill")
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.font(.system(size: 20))
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.foregroundColor(.white)
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.background(Color.black.opacity(0.6))
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.clipShape(Circle())
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}
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.padding(4)
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}
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}
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// 添加图片按钮
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if canAddMore {
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PhotosPicker(
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selection: .init(
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get: { selectedItems },
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set: onItemsChanged
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),
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maxSelectionCount: 9,
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matching: .images
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) {
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RoundedRectangle(cornerRadius: 8)
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.fill(Color.white.opacity(0.1))
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.frame(height: 100)
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.overlay(
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Image(systemName: "plus")
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.font(.system(size: 40))
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.foregroundColor(.white.opacity(0.6))
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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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// MARK: - 预览
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//#Preview {
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// CreateFeedView(
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// store: Store(initialState: CreateFeedFeature.State()) {
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// CreateFeedFeature()
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// }
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// )
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//}
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