a340163490
- 为MomentListItem添加图片点击回调，支持点击图片后通过ImagePreviewPager显示所有图片。 - 集成ImagePreviewPager，管理预览状态，支持全屏预览和图片切换功能。 - 优化用户体验，添加点击反馈和调试信息，确保状态同步。 - 更新相关组件以支持新的功能，提升代码可读性和维护性。
301 lines
11 KiB
Swift
301 lines
11 KiB
Swift
import SwiftUI
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// MARK: - MomentListItem
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struct MomentListItem: View {
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let moment: MomentsInfo
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let onImageTap: (([String], Int)) -> Void // 新增：图片点击回调
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init(
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moment: MomentsInfo,
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onImageTap: @escaping (([String], Int)) -> Void = { (arg) in let (_, _) = arg; }
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) {
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self.moment = moment
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self.onImageTap = onImageTap
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}
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var body: some View {
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ZStack {
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// 背景层
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.clear)
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.overlay(
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RoundedRectangle(cornerRadius: 12)
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.stroke(Color.white.opacity(0.1), lineWidth: 1)
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)
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.shadow(color: Color(red: 0.43, green: 0.43, blue: 0.43, opacity: 0.34), radius: 10.7, x: 0, y: 1.9)
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// 内容层
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VStack(alignment: .leading, spacing: 10) {
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// 用户信息
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HStack(alignment: .top) {
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// 头像
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CachedAsyncImage(url: moment.avatar) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Circle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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Text(String(moment.nick.prefix(1)))
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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(width: 40, height: 40)
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.clipShape(Circle())
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VStack(alignment: .leading, spacing: 2) {
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Text(moment.nick)
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.font(.system(size: 16, weight: .medium))
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.foregroundColor(.white)
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UserIDDisplay(uid: moment.uid, fontSize: 12, textColor: .white.opacity(0.6))
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}
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Spacer()
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// 时间
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Text(formatDisplayTime(moment.publishTime))
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.font(.system(size: 12, weight: .bold))
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.foregroundColor(.white.opacity(0.8))
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.padding(.horizontal, 6)
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.padding(.vertical, 2)
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.background(Color.white.opacity(0.15))
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.cornerRadius(4)
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}
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// 动态内容
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if !moment.content.isEmpty {
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Text(moment.content)
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.font(.system(size: 14))
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.foregroundColor(.white.opacity(0.9))
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.multilineTextAlignment(.leading)
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.padding(.leading, 40 + 8) // 与用户名左边对齐
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}
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// 图片网格
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if let images = moment.dynamicResList, !images.isEmpty {
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MomentImageGrid(
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images: images,
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onImageTap: onImageTap
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)
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.padding(.leading, 40 + 8)
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.padding(.bottom, images.count == 2 ? 30 : 0) // 两张图片时增加底部间距
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}
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// 互动按钮
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HStack(spacing: 20) {
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// Like 按钮与用户名左侧对齐
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HStack(spacing: 4) {
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Image(systemName: moment.isLike ? "heart.fill" : "heart")
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.font(.system(size: 16))
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Text("\(moment.likeCount)")
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.font(.system(size: 14))
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}
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.foregroundColor(moment.isLike ? .red : .white.opacity(0.8))
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.padding(.leading, 40 + 8) // 与用户名左侧对齐（头像宽度 + 间距）
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Spacer()
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}
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.padding(.top, 8)
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}
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.padding(16)
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}
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}
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// MARK: - 时间显示逻辑
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private func formatDisplayTime(_ timestamp: Int) -> String {
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let date = Date(timeIntervalSince1970: TimeInterval(timestamp) / 1000.0)
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "zh_CN")
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let now = Date()
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let interval = now.timeIntervalSince(date)
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let calendar = Calendar.current
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if calendar.isDateInToday(date) {
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if interval < 60 {
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return "刚刚"
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} else if interval < 3600 {
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return "\(Int(interval / 60))分钟前"
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} else {
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return "\(Int(interval / 3600))小时前"
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}
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} else {
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formatter.dateFormat = "MM/dd"
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return formatter.string(from: date)
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}
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}
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}
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// MARK: - 图片网格组件
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struct MomentImageGrid: View {
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let images: [MomentsPicture]
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let onImageTap: (([String], Int)) -> Void // 新增：图片点击回调
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var body: some View {
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GeometryReader { geometry in
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let availableWidth = max(geometry.size.width, 1)
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let spacing: CGFloat = 8
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if availableWidth < 10 {
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Color.clear.frame(height: 1)
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} else {
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switch images.count {
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case 1:
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let imageSize: CGFloat = min(availableWidth * 0.6, 200)
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HStack {
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Spacer()
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MomentSquareImageView(
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image: images[0],
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size: imageSize,
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onTap: {
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let imageUrls = images.compactMap { $0.resUrl }
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onImageTap((imageUrls, 0))
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}
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)
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Spacer()
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}
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case 2:
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let imageSize: CGFloat = (availableWidth - spacing) / 2
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HStack(spacing: spacing) {
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MomentSquareImageView(
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image: images[0],
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size: imageSize,
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onTap: {
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let imageUrls = images.compactMap { $0.resUrl }
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onImageTap((imageUrls, 0))
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}
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)
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MomentSquareImageView(
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image: images[1],
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size: imageSize,
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onTap: {
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let imageUrls = images.compactMap { $0.resUrl }
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onImageTap((imageUrls, 1))
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}
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)
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}
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case 3:
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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HStack(spacing: spacing) {
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ForEach(Array(images.prefix(3).enumerated()), id: \.element.id) { index, image in
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MomentSquareImageView(
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image: image,
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size: imageSize,
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onTap: {
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let imageUrls = images.compactMap { $0.resUrl }
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onImageTap((imageUrls, index))
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}
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)
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}
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}
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default:
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let imageSize: CGFloat = (availableWidth - spacing * 2) / 3
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let columns = Array(repeating: GridItem(.fixed(imageSize), spacing: spacing), count: 3)
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LazyVGrid(columns: columns, spacing: spacing) {
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ForEach(Array(images.prefix(9).enumerated()), id: \.element.id) { index, image in
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MomentSquareImageView(
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image: image,
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size: imageSize,
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onTap: {
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let imageUrls = images.compactMap { $0.resUrl }
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onImageTap((imageUrls, index))
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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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.frame(height: calculateGridHeight())
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}
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private func calculateGridHeight() -> CGFloat {
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switch images.count {
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case 1:
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return 200
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case 2:
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return 120
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case 3:
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return 100
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case 4...6:
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return 216
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default:
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return 340
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}
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}
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}
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// MARK: - 正方形图片视图组件
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struct MomentSquareImageView: View {
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let image: MomentsPicture
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let size: CGFloat
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let onTap: () -> Void // 新增：点击回调
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var body: some View {
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let safeSize = size.isFinite && size > 0 ? size : 100
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Button(action: onTap) {
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CachedAsyncImage(url: image.resUrl ?? "") { imageView in
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imageView
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Rectangle()
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.fill(Color.gray.opacity(0.3))
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.overlay(
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: .white.opacity(0.6)))
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.scaleEffect(0.8)
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)
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}
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.frame(width: safeSize, height: safeSize)
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.clipped()
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.cornerRadius(8)
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}
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.buttonStyle(PlainButtonStyle()) // 使用PlainButtonStyle避免默认的按钮样式
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}
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}
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#Preview {
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// 创建测试数据
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let testMoment = MomentsInfo(
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dynamicId: 1,
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uid: 123456,
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nick: "测试用户",
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avatar: "",
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type: 0,
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content: "这是一条测试动态内容，用来测试 MomentListItem 的显示效果。",
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likeCount: 42,
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isLike: false,
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commentCount: 5,
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publishTime: Int(Date().timeIntervalSince1970 * 1000),
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worldId: 1,
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status: 1,
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playCount: nil,
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dynamicResList: [
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MomentsPicture(id: 1, resUrl: "https://picsum.photos/300/300", format: "jpg", width: 300, height: 300, resDuration: nil),
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MomentsPicture(id: 2, resUrl: "https://picsum.photos/301/301", format: "jpg", width: 301, height: 301, resDuration: nil)
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],
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gender: nil,
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squareTop: nil,
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topicTop: nil,
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newUser: nil,
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defUser: nil,
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scene: nil,
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userVipInfoVO: nil,
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headwearPic: nil,
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headwearEffect: nil,
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headwearType: nil,
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headwearName: nil,
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headwearId: nil,
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experLevelPic: nil,
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charmLevelPic: nil,
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isCustomWord: nil,
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labelList: nil
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)
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MomentListItem(
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moment: testMoment,
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onImageTap: { images, index in
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print("图片被点击: 索引 \(index), 图片数量 \(images.count)")
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}
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)
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.padding()
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.background(Color.black)
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}
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