Dictionary renderer with feature layer

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 /*  * 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.feature_layer_dictionary_renderer;  import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.layout.StackPane; import javafx.stage.Stage;  import com.esri.arcgisruntime.ArcGISRuntimeEnvironment; import com.esri.arcgisruntime.data.Geodatabase; 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.view.MapView; import com.esri.arcgisruntime.symbology.DictionaryRenderer; import com.esri.arcgisruntime.symbology.DictionarySymbolStyle;  import java.io.File;  public class FeatureLayerDictionaryRendererSample extends Application {   private MapView mapView;  private Geodatabase geodatabase; // keep loadable in scope to avoid garbage collection   @Override  public void start(Stage stage) {   mapView = new MapView();  StackPane appWindow = new StackPane(mapView);  Scene scene = new Scene(appWindow);   // set title, size, and add scene to stage  stage.setTitle("Feature Layer Dictionary 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 map with the topographic basemap style and set it to the map view  ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_TOPOGRAPHIC);  mapView.setMap(map);   // define and load a dictionary symbol style from a local style file  File stylxFile = new File(System.getProperty("data.dir"), "./samples-data/stylx/mil2525d.stylx");  var dictionarySymbolStyle = DictionarySymbolStyle.createFromFile(stylxFile.getAbsolutePath());  dictionarySymbolStyle.loadAsync();   // create a new geodatabase instance from the geodatabase stored at the local location  File geodatabaseFile = new File(System.getProperty("data.dir"), "./samples-data/dictionary/militaryoverlay" +  ".geodatabase");  geodatabase = new Geodatabase(geodatabaseFile.getAbsolutePath());   geodatabase.addDoneLoadingListener(() -> {  // check if the geodatabase has loaded successfully  if (geodatabase.getLoadStatus() == LoadStatus.LOADED) {  var mapOperationalLayersList = map.getOperationalLayers();  var geodatabaseFeatureTablesList = geodatabase.getGeodatabaseFeatureTables();   geodatabaseFeatureTablesList.forEach(table -> {  // create a new feature layer from each geodatabase feature table and  // add it to the map's list of operational layers  mapOperationalLayersList.add(new FeatureLayer(table));  });   // check the map operational layers size matches that of the geodatabase's feature tables size  if (!mapOperationalLayersList.isEmpty() && mapOperationalLayersList.size() == geodatabaseFeatureTablesList.size()) {   // check that each layer has loaded correctly and if not display an error message  mapOperationalLayersList.forEach(layer ->  layer.addDoneLoadingListener(() -> {  if (layer.getLoadStatus() == LoadStatus.LOADED) {   // set the feature layer's minimum scale so that features no longer show after this scale  layer.setMinScale(1000000);   // set the dictionary renderer as the feature layer's renderer  if (layer instanceof FeatureLayer) {  ((FeatureLayer) layer).setRenderer(new DictionaryRenderer(dictionarySymbolStyle));  }   // set the map view viewpoint  mapView.setViewpointGeometryAsync(layer.getFullExtent());   } else {  new Alert(Alert.AlertType.ERROR,  "Feature layer failed to load: " + layer.getLoadError().getCause().getMessage()).show();  }  })  );  } else {  new Alert(Alert.AlertType.ERROR, "Error: Map operational list size does not match geodatabase feature table list size").show();  }  } else {  new Alert(Alert.AlertType.ERROR, "Geodatabase Failed to Load!").show();  }  });   // load the geodatabase  geodatabase.loadAsync();  }   /**  * 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);  } }