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/*
* Copyright 2018 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.query_map_image_sublayer;
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.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Spinner;
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.Color;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment;
import com.esri.arcgisruntime.concurrent.ListenableFuture;
import com.esri.arcgisruntime.data.Feature;
import com.esri.arcgisruntime.data.FeatureQueryResult;
import com.esri.arcgisruntime.data.QueryParameters;
import com.esri.arcgisruntime.data.ServiceFeatureTable;
import com.esri.arcgisruntime.layers.ArcGISMapImageLayer;
import com.esri.arcgisruntime.layers.ArcGISMapImageSublayer;
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.Graphic;
import com.esri.arcgisruntime.mapping.view.GraphicsOverlay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.symbology.SimpleFillSymbol;
import com.esri.arcgisruntime.symbology.SimpleLineSymbol;
import com.esri.arcgisruntime.symbology.SimpleMarkerSymbol;
public class QueryMapImageSublayerSample extends Application {
private MapView mapView;
@Override
public void start(Stage stage) {
try {
// create a stack pane and application scene
StackPane stackPane = new StackPane();
Scene scene = new Scene(stackPane);
scene.getStylesheets().add(getClass().getResource("/query_map_image_sublayer/style.css").toExternalForm());
// size the stage and add a title
stage.setTitle("Query Map Image Sublayer 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 streets basemap style
ArcGISMap map = new ArcGISMap(BasemapStyle.ARCGIS_STREETS);
// create and add a map image layer to the map's operational layers
ArcGISMapImageLayer imageLayer = new ArcGISMapImageLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer");
map.getOperationalLayers().add(imageLayer);
// 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(36.75056, -115.44154, 6000000));
// create a graphics overlay to show the results in
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
mapView.getGraphicsOverlays().add(graphicsOverlay);
// create symbols for showing the results of each sublayer
SimpleMarkerSymbol citySymbol = new SimpleMarkerSymbol(SimpleMarkerSymbol.Style.CIRCLE, Color.RED, 16);
SimpleLineSymbol stateSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.SOLID, Color.BLUE, 6);
SimpleLineSymbol countyLineSymbol = new SimpleLineSymbol(SimpleLineSymbol.Style.DASH, Color.CYAN, 2);
SimpleFillSymbol countySymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.DIAGONAL_CROSS, Color.CYAN,
countyLineSymbol);
// create a VBox to hold the controls
VBox controlsVBox = new VBox(6);
controlsVBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0,0,0,0.3)"), CornerRadii.EMPTY,
Insets.EMPTY)));
controlsVBox.setPadding(new Insets(10.0));
controlsVBox.setMaxSize(170, 100);
controlsVBox.getStyleClass().add("panel-region");
// create a spinner to input the population filter
Label label = new Label("Population greater than");
Spinner<Integer> populationSpinner = new Spinner<>(0, 100000000, 1800000);
populationSpinner.setEditable(true);
// create a button to execute the query, disable initially
Button queryButton = new Button("Query");
queryButton.setDisable(true);
// add the controls to the VBox
controlsVBox.getChildren().addAll(label, populationSpinner, queryButton);
// wait until the layer is loaded before enabling the query button
imageLayer.addDoneLoadingListener(() -> {
if (imageLayer.getLoadStatus() == LoadStatus.LOADED) {
queryButton.setDisable(false);
// get and load each sublayer to query
ArcGISMapImageSublayer citiesSublayer = (ArcGISMapImageSublayer) imageLayer.getSublayers().get(0);
ArcGISMapImageSublayer statesSublayer = (ArcGISMapImageSublayer) imageLayer.getSublayers().get(2);
ArcGISMapImageSublayer countiesSublayer = (ArcGISMapImageSublayer) imageLayer.getSublayers().get(3);
citiesSublayer.loadAsync();
statesSublayer.loadAsync();
countiesSublayer.loadAsync();
// query the sublayers when the button is clicked
queryButton.setOnAction(e -> {
// clear any previous results
graphicsOverlay.getGraphics().clear();
// create query parameters filtering based on population and the map view's current viewpoint
QueryParameters populationQuery = new QueryParameters();
populationQuery.setWhereClause("POP2000 > " + populationSpinner.getValue());
populationQuery.setGeometry(mapView.getCurrentViewpoint(Viewpoint.Type.BOUNDING_GEOMETRY)
.getTargetGeometry());
// query each sublayer's feature table with the query parameters and display the result features as graphics
if (citiesSublayer.getLoadStatus() == LoadStatus.LOADED) {
ServiceFeatureTable citiesTable = citiesSublayer.getTable();
ListenableFuture<FeatureQueryResult> citiesQuery = citiesTable.queryFeaturesAsync(populationQuery);
citiesQuery.addDoneListener(() -> {
try {
FeatureQueryResult result = citiesQuery.get();
for (Feature feature : result) {
Graphic cityGraphic = new Graphic(feature.getGeometry(), citySymbol);
graphicsOverlay.getGraphics().add(cityGraphic);
}
} catch (Exception ex) {
new Alert(Alert.AlertType.ERROR, "Failed to query cities").show();
}
});
}
if (statesSublayer.getLoadStatus() == LoadStatus.LOADED) {
ServiceFeatureTable statesTable = statesSublayer.getTable();
ListenableFuture<FeatureQueryResult> statesQuery = statesTable.queryFeaturesAsync(populationQuery);
statesQuery.addDoneListener(() -> {
try {
FeatureQueryResult result = statesQuery.get();
for (Feature feature : result) {
Graphic stateGraphic = new Graphic(feature.getGeometry(), stateSymbol);
graphicsOverlay.getGraphics().add(stateGraphic);
}
} catch (Exception ex) {
new Alert(Alert.AlertType.ERROR, "Failed to query states").show();
}
});
}
if (countiesSublayer.getLoadStatus() == LoadStatus.LOADED) {
ServiceFeatureTable countiesTable = countiesSublayer.getTable();
ListenableFuture<FeatureQueryResult> countiesQuery = countiesTable.queryFeaturesAsync(populationQuery);
countiesQuery.addDoneListener(() -> {
try {
FeatureQueryResult result = countiesQuery.get();
for (Feature feature : result) {
Graphic countyGraphic = new Graphic(feature.getGeometry(), countySymbol);
graphicsOverlay.getGraphics().add(countyGraphic);
}
} catch (Exception ex) {
new Alert(Alert.AlertType.ERROR, "Failed to query counties").show();
}
});
}
});
} else {
new Alert(Alert.AlertType.ERROR, imageLayer.getLoadError().getMessage()).show();
}
});
// add the mapview and controls to the stack pane
stackPane.getChildren().addAll(mapView, controlsVBox);
StackPane.setAlignment(controlsVBox, Pos.TOP_LEFT);
StackPane.setMargin(controlsVBox, new Insets(10, 0, 0, 10));
} catch (Exception e) {
// on any error, display the stack trace.
e.printStackTrace();
}
}
@Override
public void stop() {
// releases resources when the application closes
if (mapView != null) {
mapView.dispose();
}
}
/**
* Starting point of this application.
*
* @param args arguments to this application.
*/
public static void main(String[] args) {
Application.launch(args);
}
}