Style WMS 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 /*  * 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.style_wms_layer;  import java.util.Collections; import java.util.List;  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.ToggleButton; import javafx.scene.layout.StackPane; import javafx.stage.Stage;  import com.esri.arcgisruntime.layers.WmsLayer; import com.esri.arcgisruntime.loadable.LoadStatus; import com.esri.arcgisruntime.mapping.ArcGISMap; import com.esri.arcgisruntime.mapping.Viewpoint; import com.esri.arcgisruntime.geometry.SpatialReference; import com.esri.arcgisruntime.mapping.view.MapView;  public class StyleWmsLayerSample extends Application {   private MapView mapView;  private WmsLayer wmsLayer; // 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("Style WMS Layer Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();   // create a map with spatial reference appropriate for the service (North American Datum 83)  ArcGISMap map = new ArcGISMap(SpatialReference.create(26915));  map.setMinScale(7000000);  // set the map to the map view  mapView = new MapView();  mapView.setMap(map);   // create style toggle button, disable until layer is loaded  ToggleButton styleToggleButton = new ToggleButton();  styleToggleButton.setText("Default");  styleToggleButton.setDisable(true);   // create a WMS layer  List<String> wmsLayerNames = Collections.singletonList("mncomp");  String url = "https://imageserver.gisdata.mn.gov/cgi-bin/mncomp?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities";  wmsLayer = new WmsLayer(url, wmsLayerNames);  wmsLayer.addDoneLoadingListener(() -> {  if (wmsLayer.getLoadStatus() == LoadStatus.LOADED) {  // add the layer to the map  map.getOperationalLayers().add(wmsLayer);   // zoom to the layer on the map  mapView.setViewpoint(new Viewpoint(wmsLayer.getFullExtent()));   // get styles  List<String> styles = wmsLayer.getSublayers().get(0).getSublayerInfo().getStyles();   // set the style when the button is toggled  styleToggleButton.selectedProperty().addListener((observable, oldValue, newValue) -> {  if (styleToggleButton.isSelected()) {  // contrast Stretch - 2 Std. Deviations contrast stretch  styleToggleButton.setText("Contrast Stretch");  wmsLayer.getSublayers().get(0).setCurrentStyle(styles.get(1));  } else {  // default - color as it appears in aerial imagery  styleToggleButton.setText("Default");  wmsLayer.getSublayers().get(0).setCurrentStyle(styles.get(0));  }  });   // enable the toggle button  styleToggleButton.setDisable(false);   } else {  Alert alert = new Alert(Alert.AlertType.ERROR, "Failed to load WMS layer");  alert.show();  }  });  wmsLayer.loadAsync();   // add the map view to stack pane  stackPane.getChildren().addAll(mapView, styleToggleButton);  StackPane.setAlignment(styleToggleButton, Pos.TOP_LEFT);  StackPane.setMargin(styleToggleButton, 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.  */  @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);  }  }