use the MapView's DrawStatus in esri - Java Geographic Information System

Java examples for Geographic Information System:Esri

Description

use the MapView's DrawStatus in esri

Demo Code

  /*//w  w w . j a va2 s . c  o  m
   * Copyright 2015 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.sampleviewer.samples.mapview;

  import com.esri.arcgisruntime.datasource.arcgis.ServiceFeatureTable;
  import com.esri.arcgisruntime.geometry.Envelope;
  import com.esri.arcgisruntime.geometry.Point;
  import com.esri.arcgisruntime.geometry.SpatialReference;
  import com.esri.arcgisruntime.geometry.SpatialReferences;
  import com.esri.arcgisruntime.layers.FeatureLayer;
  import com.esri.arcgisruntime.mapping.Basemap;
  import com.esri.arcgisruntime.mapping.Map;
  import com.esri.arcgisruntime.mapping.view.DrawStatus;
  import com.esri.arcgisruntime.mapping.view.DrawStatusChangedEvent;
  import com.esri.arcgisruntime.mapping.view.MapView;
  import com.esri.arcgisruntime.mapping.view.Viewpoint;

  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.ProgressBar;
  import javafx.scene.control.TextArea;
  import javafx.scene.layout.StackPane;
  import javafx.scene.layout.VBox;
  import javafx.stage.Stage;

  /**
   * This sample demonstrates how to use the MapView's DrawStatus.
   * <p>
   * {@link DrawStatus} has two states:
   * <li>IN_PROGRESS which lets you know that drawing has begun.</li>
   * <li>COMPLETED to let you know drawing has finished.</li>
   * <h4>How it Works</h4>
   * 
   * A {@link DrawStatusChangedEvent} fires whenever the DrawStatus of the MapView
   * changes. Listen for this event using
   * {@link MapView#addDrawStatusChangedListener}.
   */
  public class DisplayDrawingStatus extends Application {

      private MapView mapView;

      private static final String SERVICE_FEATURE_URL = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/DamageAssessment/FeatureServer/0";

      @Override
public void start(Stage stage) throws Exception {

  // create stack pane and application scene
  StackPane stackPane = new StackPane();
  Scene scene = new Scene(stackPane);
  scene.getStylesheets().add(getClass()
      .getResource("../resources/SamplesTheme.css").toExternalForm());

  // set title, size, and add scene to stage
  stage.setTitle("Display Drawing Status Sample");
  stage.setWidth(800);
  stage.setHeight(700);
  stage.setScene(scene);
  stage.show();

  // create a control panel
  VBox vBoxControl = new VBox(6);
  vBoxControl.setMaxSize(250, 180);
  vBoxControl.getStyleClass().add("panel-region");

  // create sample description
  Label descriptionLabel = new Label("Sample Description:");
  descriptionLabel.getStyleClass().add("panel-label");
  TextArea description = new TextArea(
      "This sample shows how to use the DrawStatus event to notify "
          + "the user when the Map has finished drawing.");
  description.setWrapText(true);
  description.autosize();
  description.setEditable(false);

  // create progress bar
  ProgressBar progressBar = new ProgressBar();
  progressBar.setMaxWidth(Double.MAX_VALUE);

  // add controls to the user interface panel
  vBoxControl.getChildren().addAll(descriptionLabel, description,
      progressBar);
  try {

    // create a map with topographic basemap
    final Map map = new Map(Basemap.createTopographic());

    // create a starting viewpoint for the map
    SpatialReference spatialReference = SpatialReferences.getWebMercator();
    Point bottomLeftPoint =
        new Point(-13639984.0, 4537387.0, spatialReference);
    Point topRightPoint = new Point(-13606734.0, 4558866, spatialReference);
    Envelope envelope = new Envelope(bottomLeftPoint, topRightPoint);
    Viewpoint viewpoint = new Viewpoint(envelope);

    // set the initial viewpoint of map to viewpoint
    map.setInitialViewpoint(viewpoint);

    // create a feature table from a service URL
    final ServiceFeatureTable featuretable =
        new ServiceFeatureTable(SERVICE_FEATURE_URL);

    // create a feature layer from service table
    final FeatureLayer featureLayer = new FeatureLayer(featuretable);

    // add feature layer to map
    map.getOperationalLayers().add(featureLayer);

    // create a view for this map
    mapView = new MapView();

    // set map to be displayed in map view
    mapView.setMap(map);

    mapView.addDrawStatusChangedListener(e -> {
      // check to see if draw status is in progress
      if (e.getDrawStatus() == DrawStatus.IN_PROGRESS) {
        // set progress bar to be visible
        progressBar.setVisible(true);

        // check to see if draw status is complete
      } else if (e.getDrawStatus() == DrawStatus.COMPLETED) {
        // set progress bar to be invisible
        progressBar.setVisible(false);
      }
    });

    // add map view and control panel to stack pane
    stackPane.getChildren().addAll(mapView, vBoxControl);
    StackPane.setAlignment(vBoxControl, Pos.TOP_LEFT);
    StackPane.setMargin(vBoxControl, 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.
       * 
       * @throws Exception if security manager doesn't allow JVM to exit with
       *           current status
       */
      @Override
      public void stop() throws Exception {

          if (mapView != null) {
              mapView.dispose();
          }
          Platform.exit();
          System.exit(0);
      }

      /**
       * Opens and runs application.
       * 
       * @param args arguments passed to this application
       */
      public static void main(String[] args) {

          Application.launch(args);
      }

  }

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