git.r.bdr.sh - rbdr/captura/blob - Captura/ContentView.swift

   1 //
   2 //  ContentView.swift
   3 //  Captura
   4 //
   5 //  Created by Ruben Beltran del Rio on 7/24/23.
   6 //
   7
   8 import SwiftUI
   9 import SwiftData
  10
  11 struct ContentView: View {
  12     @Environment(\.modelContext) private var modelContext
  13     @Query private var items: [Item]
  14
  15     var body: some View {
  16         NavigationView {
  17             List {
  18                 ForEach(items) { item in
  19                     NavigationLink {
  20                         Text("Item at \(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))")
  21                     } label: {
  22                         Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))
  23                     }
  24                 }
  25                 .onDelete(perform: deleteItems)
  26             }
  27             .toolbar {
  28                 ToolbarItem {
  29                     Button(action: addItem) {
  30                         Label("Add Item", systemImage: "plus")
  31                     }
  32                 }
  33             }
  34             Text("Select an item")
  35         }
  36     }
  37
  38     private func addItem() {
  39         withAnimation {
  40             let newItem = Item(timestamp: Date())
  41             modelContext.insert(newItem)
  42         }
  43     }
  44
  45     private func deleteItems(offsets: IndexSet) {
  46         withAnimation {
  47             for index in offsets {
  48                 modelContext.delete(items[index])
  49             }
  50         }
  51     }
  52 }
  53
  54 #Preview {
  55     ContentView()
  56         .modelContainer(for: Item.self, inMemory: true)
  57 }