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import SwiftUI
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import CoreData
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struct HistoryView: View {
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@StateObject private var coreDataManager = CoreDataManager.shared
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@State private var searchText = ""
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@State private var selectedFilter: HistoryFilter = .all
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@State private var itemToDelete: HistoryItem?
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@State private var showingDeleteAlert = false
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@State private var showingClearConfirmSheet = false
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@State private var allHistoryItems: [HistoryItem] = []
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@State private var isLoading = false
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@State private var refreshTrigger = false
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@State private var isBatchDeleteMode = false
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@State private var selectedItemsForDelete: Set<UUID> = []
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enum HistoryFilter: String, CaseIterable {
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case all = "all"
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case barcode = "barcode"
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case qrcode = "qrcode"
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case scanned = "scanned"
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case created = "created"
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case favorites = "favorites"
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var displayName: String {
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switch self {
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case .all:
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return "全部"
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case .barcode:
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return "条形码"
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case .qrcode:
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return "二维码"
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case .scanned:
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return "扫描获得"
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case .created:
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return "手动创建"
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case .favorites:
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return "收藏"
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}
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}
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var icon: String {
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switch self {
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case .all:
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return "list.bullet"
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case .barcode:
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return "barcode"
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case .qrcode:
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return "qrcode"
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case .scanned:
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return "camera.viewfinder"
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case .created:
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return "plus.circle"
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case .favorites:
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return "heart.fill"
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}
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}
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}
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var filteredItems: [HistoryItem] {
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// 使用 refreshTrigger 强制触发计算属性更新
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let _ = refreshTrigger
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let searchResults = allHistoryItems.filter { item in
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if !searchText.isEmpty {
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let content = item.content ?? ""
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let barcodeType = item.barcodeType ?? ""
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let qrCodeType = item.qrCodeType ?? ""
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return content.localizedCaseInsensitiveContains(searchText) ||
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barcodeType.localizedCaseInsensitiveContains(searchText) ||
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qrCodeType.localizedCaseInsensitiveContains(searchText)
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}
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return true
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}
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switch selectedFilter {
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case .all:
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return searchResults
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case .barcode:
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return searchResults.filter { $0.dataType == DataType.barcode.rawValue }
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case .qrcode:
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return searchResults.filter { $0.dataType == DataType.qrcode.rawValue }
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case .scanned:
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return searchResults.filter { $0.dataSource == DataSource.scanned.rawValue }
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case .created:
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return searchResults.filter { $0.dataSource == DataSource.created.rawValue }
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case .favorites:
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return searchResults.filter { $0.isFavorite }
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}
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}
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var body: some View {
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VStack(spacing: 0) {
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// 搜索栏
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searchBar
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// 过滤器
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filterBar
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// 内容列表
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if filteredItems.isEmpty {
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emptyStateView
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} else {
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historyList
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}
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}
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.navigationTitle("历史记录")
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.navigationBarTitleDisplayMode(.large)
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.toolbar {
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ToolbarItem(placement: .navigationBarTrailing) {
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HStack(spacing: 16) {
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if isBatchDeleteMode {
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// 批量删除模式下的按钮
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Button(action: {
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// 全选/取消全选
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if selectedItemsForDelete.count == filteredItems.count {
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selectedItemsForDelete.removeAll()
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} else {
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selectedItemsForDelete = Set(filteredItems.compactMap { $0.id })
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}
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}) {
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Image(systemName: selectedItemsForDelete.count == filteredItems.count ? "checkmark.rectangle.fill" : "rectangle.on.rectangle")
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.foregroundColor(.blue)
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}
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Button(action: {
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if !selectedItemsForDelete.isEmpty {
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deleteSelectedItems()
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}
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}) {
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Image(systemName: "trash.fill")
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.foregroundColor(.red)
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}
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.disabled(selectedItemsForDelete.isEmpty)
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// 返回正常状态按钮
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Button(action: {
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exitBatchDeleteMode()
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}) {
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Image(systemName: "xmark.circle")
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.foregroundColor(.gray)
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}
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} else {
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// 正常模式下的按钮
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// 只有当有记录时才显示删除按钮
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if !allHistoryItems.isEmpty {
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Button(action: {
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enterBatchDeleteMode()
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}) {
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Image(systemName: "trash")
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.foregroundColor(.red)
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}
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}
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NavigationLink(destination: CodeTypeSelectionView()) {
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Image(systemName: "plus")
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}
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}
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}
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}
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}
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.sheet(isPresented: $showingClearConfirmSheet) {
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ClearHistoryConfirmView(
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isPresented: $showingClearConfirmSheet,
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onConfirm: clearHistory
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)
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}
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.alert("删除确认", isPresented: $showingDeleteAlert) {
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Button("取消", role: .cancel) { }
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Button("删除", role: .destructive) {
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if let item = itemToDelete {
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deleteHistoryItem(item)
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itemToDelete = nil
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}
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}
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} message: {
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if let item = itemToDelete {
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Text("确定要删除这条记录吗？\n内容：\(item.content ?? "")")
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}
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}
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.onAppear {
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loadHistoryItems()
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}
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}
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// MARK: - 加载历史记录
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private func loadHistoryItems() {
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isLoading = true
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
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allHistoryItems = coreDataManager.fetchHistoryItems()
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isLoading = false
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}
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}
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// MARK: - 过滤器操作
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private func filterAction(for filter: HistoryFilter) {
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// 直接切换过滤器，无任何延迟
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selectedFilter = filter
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}
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// MARK: - 清空历史记录
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private func clearHistory() {
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coreDataManager.clearAllHistory()
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allHistoryItems.removeAll()
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refreshTrigger.toggle()
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}
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// MARK: - 切换收藏状态
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private func toggleFavorite(_ item: HistoryItem) {
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// 先保存到 Core Data
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item.isFavorite.toggle()
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coreDataManager.save()
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// 更新本地缓存，避免重新加载数据
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if let index = allHistoryItems.firstIndex(where: { $0.id == item.id }) {
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allHistoryItems[index].isFavorite = item.isFavorite
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}
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// 强制触发视图刷新
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refreshTrigger.toggle()
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}
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// MARK: - 删除历史记录
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private func deleteHistoryItem(_ item: HistoryItem) {
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coreDataManager.deleteHistoryItem(item)
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// 从本地缓存中移除
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allHistoryItems.removeAll { $0.id == item.id }
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refreshTrigger.toggle()
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}
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// MARK: - 显示删除确认
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private func showDeleteConfirmation(for item: HistoryItem) {
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itemToDelete = item
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showingDeleteAlert = true
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}
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// MARK: - 批量删除相关方法
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private func enterBatchDeleteMode() {
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isBatchDeleteMode = true
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// 默认全选当前过滤后的项目
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selectedItemsForDelete = Set(filteredItems.compactMap { $0.id })
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}
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private func exitBatchDeleteMode() {
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isBatchDeleteMode = false
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selectedItemsForDelete.removeAll()
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}
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private func deleteSelectedItems() {
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// 获取选中的项目
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let itemsToDelete = allHistoryItems.filter { item in
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guard let id = item.id else { return false }
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return selectedItemsForDelete.contains(id)
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}
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// 批量删除
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for item in itemsToDelete {
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coreDataManager.deleteHistoryItem(item)
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}
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// 从本地缓存中移除
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allHistoryItems.removeAll { item in
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guard let id = item.id else { return false }
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return selectedItemsForDelete.contains(id)
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}
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// 清空选择状态并退出批量删除模式
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selectedItemsForDelete.removeAll()
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isBatchDeleteMode = false
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// 强制刷新数据
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DispatchQueue.main.async {
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allHistoryItems = coreDataManager.fetchHistoryItems()
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refreshTrigger.toggle()
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}
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}
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// MARK: - 搜索栏
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private var searchBar: some View {
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HStack {
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Image(systemName: "magnifyingglass")
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.foregroundColor(.gray)
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TextField("搜索历史记录...", text: $searchText)
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.textFieldStyle(RoundedBorderTextFieldStyle())
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}
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.padding(.horizontal)
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.padding(.vertical, 8)
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.background(Color(.systemBackground))
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}
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// MARK: - 过滤器栏
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private var filterBar: some View {
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ScrollView(.horizontal, showsIndicators: false) {
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HStack(spacing: 12) {
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ForEach(HistoryFilter.allCases, id: \.self) { filter in
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FilterChip(
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filter: filter,
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isSelected: selectedFilter == filter,
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isLoading: false,
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action: {
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filterAction(for: filter)
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}
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)
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}
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}
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.padding(.horizontal)
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}
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.padding(.vertical, 8)
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.background(Color(.systemBackground))
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}
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// MARK: - 历史记录列表
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private var historyList: some View {
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List {
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if isLoading {
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HStack {
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Spacer()
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VStack(spacing: 16) {
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ProgressView()
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.scaleEffect(1.2)
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Text("加载中...")
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.font(.caption)
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.foregroundColor(.secondary)
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}
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.padding(.vertical, 40)
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Spacer()
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}
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} else {
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ForEach(filteredItems) { item in
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HistoryItemRow(
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item: item,
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onToggleFavorite: {
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toggleFavorite(item)
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},
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onDelete: {
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showDeleteConfirmation(for: item)
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},
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isBatchDeleteMode: isBatchDeleteMode,
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isSelected: selectedItemsForDelete.contains(item.id ?? UUID()),
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onToggleSelection: {
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if let id = item.id {
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if selectedItemsForDelete.contains(id) {
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selectedItemsForDelete.remove(id)
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} else {
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selectedItemsForDelete.insert(id)
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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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.listStyle(PlainListStyle())
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}
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// MARK: - 空状态视图
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private var emptyStateView: some View {
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VStack(spacing: 20) {
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Image(systemName: "clock.arrow.circlepath")
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.font(.system(size: 60))
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.foregroundColor(.gray)
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Text("暂无历史记录")
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.font(.title2)
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.fontWeight(.medium)
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.foregroundColor(.gray)
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Text("扫描二维码或手动创建来开始记录")
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.font(.body)
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.foregroundColor(.gray)
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.multilineTextAlignment(.center)
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NavigationLink(destination: CodeTypeSelectionView()) {
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HStack {
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Image(systemName: "plus.circle.fill")
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Text("创建第一个记录")
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}
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.font(.headline)
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.foregroundColor(.white)
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.padding()
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.background(Color.blue)
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.cornerRadius(10)
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}
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}
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.padding()
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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}
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}
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#Preview {
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NavigationView {
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HistoryView()
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}
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}
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// MARK: - 过滤器芯片
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struct FilterChip: View {
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let filter: HistoryView.HistoryFilter
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let isSelected: Bool
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let isLoading: Bool
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let action: () -> Void
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var body: some View {
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Button(action: action) {
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HStack(spacing: 6) {
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Image(systemName: filter.icon)
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.font(.system(size: 14))
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Text(filter.displayName)
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.font(.system(size: 14, weight: .medium))
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}
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.padding(.horizontal, 12)
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.padding(.vertical, 8)
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.background(
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RoundedRectangle(cornerRadius: 20)
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.fill(isSelected ? Color.blue : Color(.systemGray5))
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)
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.foregroundColor(isSelected ? .white : .primary)
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.scaleEffect(isSelected ? 1.05 : 1.0)
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}
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.buttonStyle(OptimizedFilterChipButtonStyle(isSelected: isSelected))
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.animation(.easeInOut(duration: 0.2), value: isSelected)
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}
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}
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// MARK: - 优化的过滤器芯片按钮样式
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struct OptimizedFilterChipButtonStyle: ButtonStyle {
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let isSelected: Bool
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func makeBody(configuration: Configuration) -> some View {
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configuration.label
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.scaleEffect(configuration.isPressed ? 0.95 : 1.0)
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.opacity(configuration.isPressed ? 0.9 : 1.0)
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.animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
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}
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}
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// MARK: - 过滤器芯片按钮样式（保留以防向后兼容）
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struct FilterChipButtonStyle: ButtonStyle {
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func makeBody(configuration: Configuration) -> some View {
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configuration.label
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.scaleEffect(configuration.isPressed ? 0.95 : 1.0)
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.opacity(configuration.isPressed ? 0.8 : 1.0)
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.animation(.easeInOut(duration: 0.1), value: configuration.isPressed)
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}
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}
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// MARK: - 历史记录项行
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struct HistoryItemRow: View {
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let item: HistoryItem
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let onToggleFavorite: () -> Void
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let onDelete: () -> Void
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let isBatchDeleteMode: Bool
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let isSelected: Bool
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let onToggleSelection: () -> Void
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var body: some View {
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HStack(spacing: 12) {
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// 批量删除模式下的选择框
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if isBatchDeleteMode {
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Button(action: onToggleSelection) {
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Image(systemName: isSelected ? "checkmark.square.fill" : "square")
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|
.font(.system(size: 20))
|
|
|
.foregroundColor(isSelected ? .blue : .gray)
|
|
|
}
|
|
|
.buttonStyle(PlainButtonStyle())
|
|
|
}
|
|
|
|
|
|
// 类型图标
|
|
|
VStack {
|
|
|
if let dataTypeString = item.dataType,
|
|
|
let dataType = DataType(rawValue: dataTypeString) {
|
|
|
Image(systemName: dataType.icon)
|
|
|
.font(.system(size: 24))
|
|
|
.foregroundColor(.blue)
|
|
|
}
|
|
|
|
|
|
if let dataSourceString = item.dataSource,
|
|
|
let dataSource = DataSource(rawValue: dataSourceString) {
|
|
|
Image(systemName: dataSource.icon)
|
|
|
.font(.system(size: 12))
|
|
|
.foregroundColor(.gray)
|
|
|
}
|
|
|
}
|
|
|
.frame(width: 40)
|
|
|
|
|
|
// 内容信息
|
|
|
VStack(alignment: .leading, spacing: 4) {
|
|
|
HStack {
|
|
|
Text(item.content ?? "")
|
|
|
.font(.headline)
|
|
|
.lineLimit(2)
|
|
|
|
|
|
Spacer()
|
|
|
|
|
|
Button(action: onToggleFavorite) {
|
|
|
Image(systemName: item.isFavorite ? "heart.fill" : "heart")
|
|
|
.foregroundColor(item.isFavorite ? .red : .gray)
|
|
|
}
|
|
|
.buttonStyle(PlainButtonStyle())
|
|
|
}
|
|
|
|
|
|
HStack {
|
|
|
// 类型标签
|
|
|
if let dataTypeString = item.dataType,
|
|
|
let dataType = DataType(rawValue: dataTypeString) {
|
|
|
HStack(spacing: 4) {
|
|
|
Image(systemName: dataType.icon)
|
|
|
.font(.system(size: 12))
|
|
|
Text(dataType.displayName)
|
|
|
.font(.caption)
|
|
|
}
|
|
|
.padding(.horizontal, 8)
|
|
|
.padding(.vertical, 2)
|
|
|
.background(Color.blue.opacity(0.1))
|
|
|
.foregroundColor(.blue)
|
|
|
.cornerRadius(8)
|
|
|
}
|
|
|
|
|
|
// 具体类型标签
|
|
|
if let barcodeTypeString = item.barcodeType,
|
|
|
let barcodeType = BarcodeType(rawValue: barcodeTypeString) {
|
|
|
HStack(spacing: 4) {
|
|
|
Image(systemName: barcodeType.icon)
|
|
|
.font(.system(size: 12))
|
|
|
Text(barcodeType.displayName)
|
|
|
.font(.caption)
|
|
|
}
|
|
|
.padding(.horizontal, 8)
|
|
|
.padding(.vertical, 2)
|
|
|
.background(Color.green.opacity(0.1))
|
|
|
.foregroundColor(.green)
|
|
|
.cornerRadius(8)
|
|
|
}
|
|
|
|
|
|
if let qrCodeTypeString = item.qrCodeType,
|
|
|
let qrCodeType = QRCodeType(rawValue: qrCodeTypeString) {
|
|
|
HStack(spacing: 4) {
|
|
|
Image(systemName: qrCodeType.icon)
|
|
|
.font(.system(size: 12))
|
|
|
Text(qrCodeType.displayName)
|
|
|
.font(.caption)
|
|
|
}
|
|
|
.padding(.horizontal, 8)
|
|
|
.padding(.vertical, 2)
|
|
|
.background(Color.orange.opacity(0.1))
|
|
|
.foregroundColor(.orange)
|
|
|
.cornerRadius(8)
|
|
|
}
|
|
|
|
|
|
Spacer()
|
|
|
|
|
|
// 时间
|
|
|
if let createdAt = item.createdAt {
|
|
|
Text(formatDate(createdAt))
|
|
|
.font(.caption)
|
|
|
.foregroundColor(.gray)
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
Spacer()
|
|
|
}
|
|
|
.padding(.vertical, 8)
|
|
|
.swipeActions(edge: .trailing, allowsFullSwipe: false) {
|
|
|
Button("删除", role: .destructive) {
|
|
|
onDelete()
|
|
|
}
|
|
|
}
|
|
|
.background(
|
|
|
// 根据数据类型添加导航链接
|
|
|
Group {
|
|
|
if item.dataType == DataType.qrcode.rawValue {
|
|
|
NavigationLink(
|
|
|
destination: QRCodeDetailView(historyItem: item),
|
|
|
label: { EmptyView() }
|
|
|
)
|
|
|
} else if item.dataType == DataType.barcode.rawValue {
|
|
|
NavigationLink(
|
|
|
destination: BarcodeDetailView(historyItem: item),
|
|
|
label: { EmptyView() }
|
|
|
)
|
|
|
}
|
|
|
}
|
|
|
)
|
|
|
}
|
|
|
|
|
|
private func formatDate(_ date: Date) -> String {
|
|
|
let formatter = DateFormatter()
|
|
|
formatter.dateStyle = .short
|
|
|
formatter.timeStyle = .short
|
|
|
return formatter.string(from: date)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// MARK: - 清空历史记录确认视图
|
|
|
struct ClearHistoryConfirmView: View {
|
|
|
@Binding var isPresented: Bool
|
|
|
let onConfirm: () -> Void
|
|
|
|
|
|
var body: some View {
|
|
|
NavigationView {
|
|
|
VStack(spacing: 20) {
|
|
|
// 警告图标
|
|
|
Image(systemName: "exclamationmark.triangle.fill")
|
|
|
.font(.system(size: 50))
|
|
|
.foregroundColor(.red)
|
|
|
|
|
|
// 标题
|
|
|
Text("清空历史记录")
|
|
|
.font(.title2)
|
|
|
.fontWeight(.bold)
|
|
|
|
|
|
// 简单说明
|
|
|
Text("此操作将删除所有历史记录，且不可撤销")
|
|
|
.font(.body)
|
|
|
.foregroundColor(.secondary)
|
|
|
.multilineTextAlignment(.center)
|
|
|
|
|
|
Spacer()
|
|
|
|
|
|
// 按钮区域
|
|
|
VStack(spacing: 12) {
|
|
|
// 确认删除按钮
|
|
|
Button(action: {
|
|
|
onConfirm()
|
|
|
isPresented = false
|
|
|
}) {
|
|
|
HStack {
|
|
|
Image(systemName: "trash.fill")
|
|
|
Text("确认删除")
|
|
|
}
|
|
|
.frame(maxWidth: .infinity)
|
|
|
.padding()
|
|
|
.background(Color.red)
|
|
|
.foregroundColor(.white)
|
|
|
.cornerRadius(10)
|
|
|
}
|
|
|
|
|
|
// 取消按钮
|
|
|
Button(action: {
|
|
|
isPresented = false
|
|
|
}) {
|
|
|
Text("取消")
|
|
|
.frame(maxWidth: .infinity)
|
|
|
.padding()
|
|
|
.background(Color(.systemGray5))
|
|
|
.foregroundColor(.primary)
|
|
|
.cornerRadius(10)
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
.padding(20)
|
|
|
.navigationTitle("确认删除")
|
|
|
.navigationBarTitleDisplayMode(.inline)
|
|
|
.navigationBarBackButtonHidden(true)
|
|
|
.toolbar {
|
|
|
ToolbarItem(placement: .navigationBarLeading) {
|
|
|
Button("关闭") {
|
|
|
isPresented = false
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
} |
