git.r.bdr.sh - rbdr/map/blob - Map/Presentation/Screens/MapDetailScreen.swift

   1 import Combine
   2 import CoreData
   3 import SwiftUI
   4
   5 struct MapDetailScreen: View {
   6   @Environment(\.managedObjectContext) private var viewContext
   7
   8   @EnvironmentObject var store: AppStore
   9
  10   @ObservedObject var map: Map
  11
  12   @State var title: String
  13   @State var content: String
  14
  15   var body: some View {
  16     if map.uuid != nil {
  17       VSplitView {
  18         VStack {
  19           HStack {
  20             TextField(
  21                 "Title", text: $title, onCommit: saveModel
  22             ).font(.title2).textFieldStyle(PlainTextFieldStyle()).padding(.vertical, 4.0).padding(
  23                 .leading, 4.0)
  24             Button(action: saveText) {
  25               Image(systemName: "doc.text")
  26             }.padding(.vertical, 4.0).padding(.leading, 4.0)
  27             Button(action: saveImage) {
  28               Image(systemName: "photo")
  29             }.padding(.vertical, 4.0).padding(.leading, 4.0).padding(.trailing, 8.0)
  30           }
  31           EvolutionPicker()
  32
  33           ZStack(alignment: .topLeading) {
  34             MapTextEditor(text: $content, onChange: saveModel)
  35               .background(Color.ui.background)
  36               .foregroundColor(Color.ui.foreground)
  37               .frame(minHeight: 96.0)
  38           }.padding(.top, 8.0).padding(.leading, 8.0).background(Color.ui.background).cornerRadius(
  39             5.0)
  40         }.padding(.horizontal, 8.0)
  41         ScrollView([.horizontal, .vertical]) {
  42           MapRenderView(content: $content, evolution:  .constant(store.state.selectedEvolution))
  43         }
  44       }.onDisappear {
  45         saveModel()
  46       }
  47     } else {
  48       EmptyMapDetailScreen()
  49     }
  50   }
  51
  52   private func saveModel() {
  53     map.content = content
  54     map.title = title
  55     try? viewContext.save()
  56   }
  57
  58   private func saveText() {
  59     store.send(.exportMapAsText(map: map))
  60   }
  61
  62   private func saveImage() {
  63     store.send(.exportMapAsImage(map: map))
  64   }
  65 }
  66
  67 struct MapDetailView_Previews: PreviewProvider {
  68   static var previews: some View {
  69     MapDetailScreen(map: Map(), title: "", content: "").environment(
  70       \.managedObjectContext, PersistenceController.preview.container.viewContext)
  71   }
  72 }