Edit with branch versioning

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 // Copyright 2024 Esri // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License.  import ArcGIS import SwiftUI  struct EditWithBranchVersioningView: View {  /// The view model for the sample.  @StateObject private var model = Model()   /// The placement of the callout for the selected feature.  @State private var calloutPlacement: CalloutPlacement?   /// The parameters used to create a new version.  @State private var versionParameters: ServiceVersionParameters?   /// The asynchronous action currently being preformed.  @State private var selectedAction: AsyncAction? = .setUp   /// The point on the map to move the selected feature to.  @State private var moveLocation: Point?   /// A Boolean value indicating whether the move confirmation alert is presented.  @State private var isMovingFeature = false   /// A Boolean value indicating whether the create version parameters popover is presented.  @State private var isCreatingVersion = false   /// A Boolean value indicating whether the switch version dialog is presented.  @State private var isSwitchingVersion = false   /// A Boolean value indicating whether the set damage type dialog is presented.  @State private var isSettingDamageType = false   /// The error shown in the error alert.  @State private var error: Error?   var body: some View {  MapViewReader { mapViewProxy in  MapView(map: model.map)  .callout(placement: $calloutPlacement.animation(.default.speed(2))) { placement in  let placeName = placement.geoElement?.attributes[.placeNameKey] as? String  let damageType = placement.geoElement?.attributes[.damageTypeKey] as? String   HStack {  VStack(alignment: .leading) {  Text(placeName ?? "")  .font(.headline)  Text(damageType ?? "")  .font(.callout)  }  editDamageTypeButton  }  .padding(5)  }  .onSingleTapGesture { screenPoint, mapPoint in  if model.selectedFeature != nil && !model.onDefaultVersion {  // Shows the move confirmation alert if there is already a feature selected.  isMovingFeature = true  moveLocation = mapPoint  } else {  // Identifies and selects the feature at the tap location.  selectedAction = .selectFeature(screenPoint: screenPoint, mapPoint: mapPoint)  }  }  .alert(  "Confirm Move",  isPresented: $isMovingFeature,  presenting: moveLocation,  actions: { mapPoint in  Button("Cancel", role: .cancel) {  calloutPlacement = nil  model.clearSelection()  }  Button("Move") {  model.selectedFeature?.geometry = mapPoint  selectedAction = .updateFeature  }  },  message: { _ in  Text("Do you want to move the selected feature?")  }  )  .task(id: selectedAction) {  guard let selectedAction else { return }  calloutPlacement = nil   do {  switch selectedAction {  case .setUp:  try await model.setUp()  case .makeVersion:  let version = try await model.createVersion(parameters: versionParameters!)  try await model.switchToVersion(named: version)  case .switchToVersion(let version):  try await model.switchToVersion(named: version)  case .updateFeature:  try await model.updateFeature()  case .selectFeature(let screenPoint, let mapPoint):  model.clearSelection()   // Identifies the feature on the feature layer at the tapped point.  let result = try await mapViewProxy.identify(  on: model.featureLayer,  screenPoint: screenPoint,  tolerance: 10  )   if let feature = result.geoElements.first as? Feature {  model.selectFeature(feature)  calloutPlacement = .geoElement(feature, tapLocation: mapPoint)  }  }  } catch {  self.error = error  }   // Resets the selected action so an action of the same type can be run again.  self.selectedAction = nil  }  }  .overlay(alignment: .top) {  Text("Version: \(model.serviceGeodatabase.versionName)")  .multilineTextAlignment(.center)  .frame(maxWidth: .infinity, alignment: .center)  .padding(8)  .background(.regularMaterial, ignoresSafeAreaEdges: .horizontal)  }  .toolbar {  ToolbarItemGroup(placement: .bottomBar) {  createVersionButton  switchVersionButton  }  }  .errorAlert(presentingError: $error)  .onTeardown {  model.tearDown()  }  }   /// The button for editing the damage type of the selected feature.  private var editDamageTypeButton: some View {  Button("Edit", systemImage: "pencil") {  isSettingDamageType = true  }  .imageScale(.large)  .labelStyle(.iconOnly)  .disabled(model.onDefaultVersion)  .confirmationDialog("Damage Type", isPresented: $isSettingDamageType, titleVisibility: .visible) {  ForEach(DamageType.allCases, id: \.self) { damageType in  Button(damageType.label) {  model.selectedFeature?.setAttributeValue(  damageType.rawValue,  forKey: .damageTypeKey  )  selectedAction = .updateFeature  }  }  } message: {  Text("Choose a damage type for the building.")  }  }   /// The button for creating a version.  private var createVersionButton: some View {  Button("Create") {  isCreatingVersion = true  }  .popover(isPresented: $isCreatingVersion) {  CreateVersionParametersView(model: model) { parameters in  // Makes a new version with the created parameters.  versionParameters = parameters  selectedAction = .makeVersion  }  .presentationDetents([.fraction(0.5)])  .frame(idealWidth: 320, idealHeight: 200)  }  }   /// The button for switching the current version.  private var switchVersionButton: some View {  Button("Switch") {  isSwitchingVersion = true  }  .disabled(model.existingVersionNames.count < 2)  .confirmationDialog("Versions", isPresented: $isSwitchingVersion, titleVisibility: .visible) {  ForEach(model.existingVersionNames, id: \.self) { versionName in  Button(versionName) {  selectedAction = .switchToVersion(version: versionName)  }  }  } message: {  Text("Choose a version to switch to.")  }  } }  /// An asynchronous action associated with the sample. private enum AsyncAction: Equatable {  /// Sets up the sample.  case setUp  /// Makes a version with the current version parameters.  case makeVersion  /// Switches to a version with an associated version name.  case switchToVersion(version: String)  /// Select a feature identified from an associated screen and map point.  case selectFeature(screenPoint: CGPoint, mapPoint: Point)  /// Updates the selected feature in it's feature table.  case updateFeature }  /// The damage type of a feature. private enum DamageType: String, CaseIterable {  case destroyed, major, minor, affected, inaccessible, `default`   /// A human-readable label for the damage type.  var label: String {  switch self {  case .destroyed: "Destroyed"  case .major: "Major"  case .minor: "Minor"  case .affected: "Affected"  case .inaccessible: "Inaccessible"  case .default: "Default"  }  } }  private extension String {  /// The key for a feature's damage type attribute.  static let damageTypeKey = "typdamage"  /// The key for a feature's place name attribute.  static let placeNameKey = "placename" }  #Preview {  NavigationStack {  EditWithBranchVersioningView()  } }