Display route layer

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/*
 * 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
 *
 * 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.display_route_layer;

import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.data.Feature;
import com.esri.arcgisruntime.data.FeatureCollection;
import com.esri.arcgisruntime.data.FeatureCollectionTable;
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.Viewpoint;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.portal.Portal;
import com.esri.arcgisruntime.portal.PortalItem;

import javafx.application.Application;
import javafx.application.Platform;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;

public class DisplayRouteLayerSample extends Application {

  private MapView mapView;
  private PortalItem portalItem; // keep loadable in scope to avoid garbage collection
  private FeatureCollection featureCollection;  // keep loadable in scope to avoid garbage collection

  @Override
  public void start(Stage stage) {
    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("Display Route Layer Sample");
      stage.setWidth(800);
      stage.setHeight(700);
      stage.setScene(scene);
      stage.show();

      // authentication with an API key or named user is required to access basemap and other location services
      String yourAPIKey = System.getProperty("apiKey");
      ArcGISRuntimeEnvironment.setApiKey(yourAPIKey);

      // create a map with the topographical basemap style
      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
      mapView.setViewpoint(new Viewpoint(45.2281, -122.8309 + 0.2, 57e4));

      // create a VBox to contain all the UI controls
      var vBox = new VBox();
      vBox.setMaxSize(300, 400);
      vBox.setPadding(new Insets(10.0));
      vBox.setAlignment(Pos.TOP_CENTER);
      vBox.setSpacing(10);
      vBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0, 0, 0 , 0.7)"), CornerRadii.EMPTY, Insets.EMPTY)));

      //create a scrollPane to enable scrolling through the directions
      var scrollPane = new ScrollPane();
      scrollPane.setMaxSize(300, 400);
      scrollPane.setPadding(new Insets(10.0));

      // create a VBox to contain the directions
      var directionsVBox = new VBox();
      directionsVBox.setSpacing(10);
      scrollPane.setContent(directionsVBox);
      var headingLabel = new Label("Directions:");
      headingLabel.setStyle("-fx-font-weight:bold; -fx-text-fill: white; -fx-font-size: 14;");
      vBox.getChildren().addAll(headingLabel, scrollPane);

      // create a portal and portal item, using the portal and item ID
      var portal = new Portal("https://www.arcgis.com/");
      portalItem = new PortalItem(portal, "0e3c8e86b4544274b45ecb61c9f41336");

      // load the portal item
      portalItem.loadAsync();
      portalItem.addDoneLoadingListener(() -> {
        if (portalItem.getLoadStatus() == LoadStatus.LOADED) {
          featureCollection = new FeatureCollection(portalItem);

          // load the feature collection and access its tables
          featureCollection.loadAsync();
          featureCollection.addDoneLoadingListener(() -> {
            if (featureCollection.getLoadStatus() == LoadStatus.LOADED) {
              for (FeatureCollectionTable table : featureCollection.getTables()) {
                // use the table called "DirectionPoints"
                if (table.getTitle().equals("DirectionPoints")) {
                  for (Feature feature : table) {
                    // for each feature in the table, get the "DisplayText" attribute and create a label containing the text
                    String text = (String) feature.getAttributes().get("DisplayText");
                    var label = new Label(text);

                    // wrap the label text
                    label.setWrapText(true);
                    label.setMaxWidth(200);

                    // add the label to the directions VBox on the UI thread
                    Platform.runLater(() -> directionsVBox.getChildren().add(label));
                  }
                }
              }
              // create a feature collection layer using the feature collection.
              var featureCollectionLayer = new FeatureCollectionLayer(featureCollection);

              // add the feature collection layer to the map's operational layers
              mapView.getMap().getOperationalLayers().add(featureCollectionLayer);
            }
          });
        }
      });

      // add the map view to the stack pane
      stackPane.getChildren().addAll(mapView, vBox);
      StackPane.setAlignment(vBox, Pos.TOP_RIGHT);
      StackPane.setMargin(vBox, new Insets(10, 10, 10, 0));

    } 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);
  }
}