Run valve isolation trace

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 // Copyright 2023 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 RunValveIsolationTraceView: View {  /// The view model for the sample.  @StateObject private var model = Model()   /// The last locations in the screen and map where a tap occurred.  @State private var lastSingleTap: (screenPoint: CGPoint, mapPoint: Point)?   /// A Boolean value indicating if the configuration sheet is presented.  @State private var isConfigurationPresented = false   /// A Boolean value indicating whether to include isolated features in the  /// trace results when used in conjunction with an isolation trace.  @State private var includeIsolatedFeatures = true   var body: some View {  MapViewReader { mapViewProxy in  MapView(  map: model.map,  graphicsOverlays: [model.parametersOverlay]  )  .onSingleTapGesture { screenPoint, mapPoint in  lastSingleTap = (screenPoint, mapPoint)  }  .overlay(alignment: .top) {  Text(model.statusText)  .padding(10)  .frame(maxWidth: .infinity, alignment: .center)  .background(.ultraThinMaterial, ignoresSafeAreaEdges: .horizontal)  .multilineTextAlignment(.center)  }  .task {  await model.setup()  if let point = model.startingLocationPoint {  await mapViewProxy.setViewpointCenter(point, scale: 3_000)  }  }  .task(id: lastSingleTap?.mapPoint) {  guard let lastSingleTap else {  return  }  if let feature = try? await mapViewProxy.identifyLayers(  screenPoint: lastSingleTap.screenPoint,  tolerance: 10  ).first?.geoElements.first as? ArcGISFeature {  model.addFilterBarrier(for: feature, at: lastSingleTap.mapPoint)  }  }  .toolbar {  ToolbarItemGroup(placement: .bottomBar) {  Button("Configuration") {  isConfigurationPresented.toggle()  }  .disabled(model.tracingActivity == .runningTrace ||  model.tracingActivity == .loadingNetwork)  Spacer()  Button("Trace") {  Task { await model.trace(includeIsolatedFeatures: includeIsolatedFeatures) }  }  .disabled(!model.traceEnabled)  Spacer()  Button("Reset") {  model.reset()  if let point = model.startingLocationPoint {  Task { await mapViewProxy.setViewpointCenter(point, scale: 3_000) }  }  }  .disabled(!model.resetEnabled || model.tracingActivity == .runningTrace)  }  }  .sheet(isPresented: $isConfigurationPresented) {  NavigationStack {  configurationView  }  }  .overlay(alignment: .center) {  if let tracingActivity = model.tracingActivity {  VStack {  Text(tracingActivity.label)  ProgressView()  .progressViewStyle(.circular)  }  .padding()  .background(.thinMaterial)  .clipShape(.rect(cornerRadius: 10))  }  }  .alert(  "Select Terminal",  isPresented: $model.terminalSelectorIsOpen,  actions: { terminalPickerButtons }  )  .onTeardown {  model.tearDown()  }  }  }   /// Buttons for each the available terminals on the last added utility element.  @ViewBuilder private var terminalPickerButtons: some View {  if let lastAddedElement = model.lastAddedElement,  let terminalConfiguration = lastAddedElement.assetType.terminalConfiguration {  ForEach(terminalConfiguration.terminals) { terminal in  Button(terminal.name) {  lastAddedElement.terminal = terminal  model.terminalSelectorIsOpen = false  model.addTerminal(to: lastSingleTap!.mapPoint)  }  }  }  }   @ViewBuilder private var configurationView: some View {  Form {  Section {  List(model.filterBarrierCategories, id: \.name) { category in  HStack {  Text(category.name)  Spacer()  if category === model.selectedCategory {  Image(systemName: "checkmark")  .foregroundStyle(Color.accentColor)  }  }  // Allows the whole row to be tapped. Without this only the text is  // tappable.  .contentShape(Rectangle())  .onTapGesture {  if category.name == model.selectedCategory?.name {  model.unselectCategory(category)  } else {  model.selectCategory(category)  }  }  }  } header: {  Text("Category")  } footer: {  Text("Choose a category to run the valve isolation trace. The selected utility category defines constraints and conditions based upon specific characteristics of asset types in the utility network.")  }  Section {  Toggle(isOn: $includeIsolatedFeatures) {  Text("Include Isolated Features")  }  } header: {  Text("Other Options")  } footer: {  Text("Choose whether or not the trace should include isolated features. This means that isolated features are included in the trace results when used in conjunction with an isolation trace.")  }  .toggleStyle(.switch)  }  .navigationTitle("Configuration")  .navigationBarTitleDisplayMode(.inline)  .toolbar {  ToolbarItem(placement: .confirmationAction) {  Button("Done") { isConfigurationPresented = false }  }  }  } }  private extension RunValveIsolationTraceView.Model.TracingActivity {  /// A human-readable label for the tracing activity.  var label: String {  switch self {  case .loadingNetwork: return "Loading utility network…"  case .startingLocation: return "Getting starting location feature…"  case .runningTrace: return "Running isolation trace…"  }  } }  #Preview {  NavigationStack {  RunValveIsolationTraceView()  } }