Change feature layer renderer

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 /*  * Copyright 2017 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  *  * http://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.  */  package com.esri.samples.change_feature_layer_renderer;  import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.control.ToggleButton; import javafx.scene.layout.StackPane; import javafx.scene.paint.Color; import javafx.stage.Stage;  import com.esri.arcgisruntime.ArcGISRuntimeEnvironment; import com.esri.arcgisruntime.data.ServiceFeatureTable; import com.esri.arcgisruntime.geometry.Envelope; import com.esri.arcgisruntime.geometry.Point; import com.esri.arcgisruntime.layers.FeatureLayer; import com.esri.arcgisruntime.loadable.LoadStatus; import com.esri.arcgisruntime.mapping.ArcGISMap; import com.esri.arcgisruntime.mapping.BasemapStyle; import com.esri.arcgisruntime.mapping.Viewpoint; import com.esri.arcgisruntime.mapping.view.MapView; import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol; import com.esri.arcgisruntime.symbology.SimpleRenderer;  public class ChangeFeatureLayerRendererSample extends Application {   private MapView mapView;  private FeatureLayer featureLayer;   private final static String FEATURE_SERVICE_URL =  "https://services.arcgis.com/V6ZHFr6zdgNZuVG0/arcgis/rest/services/Landscape_Trees/FeatureServer/0";   @Override  public void start(Stage stage) {   try {  // create stack pane and application scene  StackPane stackPane = new StackPane();  Scene scene = new Scene(stackPane);  scene.getStylesheets().add(getClass().getResource("/change_feature_layer_renderer/style.css").toExternalForm());   // set title, size, and add scene to stage  stage.setTitle("Change Feature Layer Renderer Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();   // authentication with an API key or named user is required to access basemaps and other location services  String yourAPIKey = System.getProperty("apiKey");  ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);   // create a marker symbol renderer with a blue circle  SimpleMarkerSymbol markerSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.CIRCLE, Color.BLUE, 5 );  SimpleRenderer blueRenderer = new SimpleRenderer(markerSymbol);   // create renderer toggle switch  ToggleButton rendererSwitch = new ToggleButton();  rendererSwitch.setText("Blue Renderer");   // set the render if the switch is selected  rendererSwitch.selectedProperty().addListener((observable, oldValue, newValue) -> {  if (rendererSwitch.isSelected()) {  featureLayer.setRenderer(blueRenderer);  rendererSwitch.setText("Show Original Renderer");  } else {  // reset the renderer if not selected  featureLayer.resetRenderer();  rendererSwitch.setText("Blue Renderer");  }  });   // create a map with the topographic basemap style  final ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC);   // create a map view and set the map to it  mapView = new MapView();  mapView.setMap(map);   // set a viewpoint on the map view  Point topLeftPoint = new Point(-9177811, 4247000);  Point bottomRightPoint = new Point(-9176791, 4247784);  mapView.setViewpoint(new Viewpoint(new Envelope(topLeftPoint, bottomRightPoint)));   // create a service feature table using the url  final ServiceFeatureTable featureTable = new ServiceFeatureTable(FEATURE_SERVICE_URL);   // create a feature layer from the service feature table  featureLayer = new FeatureLayer(featureTable);   // wait for the feature layer to load  featureLayer.loadAsync();  featureLayer.addDoneLoadingListener(()->{  if (featureLayer.getLoadStatus() == LoadStatus.LOADED) {  // add feature layer to ArcGISMap  map.getOperationalLayers().add(featureLayer);  } else {  new Alert(Alert.AlertType.ERROR, "Error loading Feature Table from service").show();  }  });   // add the map view and control panel to stack pane  stackPane.getChildren().addAll(mapView, rendererSwitch);  StackPane.setAlignment(rendererSwitch, Pos.TOP_LEFT);  StackPane.setMargin(rendererSwitch, new Insets(10, 0, 0, 10));   } catch (Exception e) {  // on any error, display the stack trace  e.printStackTrace();  }  }   /**  * Stops and releases all resources used in application.  */  @Override  public void stop() {   if (mapView != null) {  mapView.dispose();  }  }   /**  * Opens and runs application.  *  * @param args arguments passed to this application  */  public static void main(String[] args) {   Application.launch(args);  }  }