Feature collection layer from portal

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 /*  * Copyright 2020 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_collection_layer_from_portal;  import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.control.Button; import javafx.scene.control.TextField; import javafx.application.Application; import javafx.scene.layout.StackPane; import javafx.stage.Stage;  import com.esri.arcgisruntime.ArcGISRuntimeEnvironment; import com.esri.arcgisruntime.data.FeatureCollection; import com.esri.arcgisruntime.layers.FeatureCollectionLayer; 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.portal.Portal; import com.esri.arcgisruntime.portal.PortalItem;  public class FeatureCollectionLayerFromPortalSample extends Application {   private ArcGISMap map;  private MapView mapView;  private Portal portal;  private TextField inputTextField;  private PortalItem portalItem; // keep loadable in scope to avoid garbage collection   @Override  public void start(Stage stage) {  // set up the application scene  try {  // create stack pane and application scene  StackPane stackPane = new StackPane();  Scene scene = new Scene(stackPane);   // set title, size, and add scene to stage  stage.setTitle("Feature Collection Layer From Portal");  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 oceans basemap style  map = new ArcGISMap(BasemapStyle.ARCGIS_OCEANS);   // create a map view and set the map to it  mapView = new MapView();  mapView.setMap(map);   // create portal  portal = new Portal("https://www.arcgis.com/");   // create text field to input user's own portal item ID  inputTextField = new TextField("32798dfad17942858d5eef82ee802f0b");  inputTextField.setMaxWidth(250);   // fetch the default feature collection layer from the portal  fetchFeatureCollectionFromPortal();   // create button to perform action  Button fetchFromPortalButton = new Button("Open from portal item");  fetchFromPortalButton.setMaxWidth(250);   // verify the input and fetch the portal item  fetchFromPortalButton.setOnAction(e -> fetchFeatureCollectionFromPortal());   // add the map view and control panel to stack pane  stackPane.getChildren().addAll(mapView, inputTextField, fetchFromPortalButton);  StackPane.setAlignment(inputTextField, Pos.TOP_LEFT);  StackPane.setMargin(inputTextField, new Insets(10, 0, 0, 10));  StackPane.setAlignment(fetchFromPortalButton, Pos.TOP_LEFT);  StackPane.setMargin(fetchFromPortalButton, new Insets(40, 0, 0, 10));   } catch (Exception e) {  // on any error, display the stack trace  e.printStackTrace();  }  }   /**  * Fetch feature collection from portal and load as feature layer.  */  private void fetchFeatureCollectionFromPortal() {   if (!inputTextField.getText().isEmpty()) {  // crate portal item  portalItem = new PortalItem(portal, inputTextField.getText());  portalItem.loadAsync();   portalItem.addDoneLoadingListener(() -> {   if (portalItem.getLoadStatus() == LoadStatus.LOADED) {   if (portalItem.getType() == PortalItem.Type.FEATURE_COLLECTION) {   // create feature collection and add to the map as a layer  FeatureCollection featureCollection = new FeatureCollection(portalItem);  FeatureCollectionLayer featureCollectionLayer = new FeatureCollectionLayer(featureCollection);   // add feature collection layer to the map  map.getOperationalLayers().clear();  map.getOperationalLayers().add(featureCollectionLayer);   } else {  new Alert(Alert.AlertType.ERROR, "Portal item is not a feature collection").show();  }  } else {  new Alert(Alert.AlertType.ERROR, "Portal item failed to load").show();  }  });  } else {  new Alert(Alert.AlertType.ERROR, "Portal Item ID is empty").show();  }   }  /**  * 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);  } }