Display dimensions

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 /*  * Copyright 2021 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_dimensions;  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.CheckBox; import javafx.scene.control.Label; import javafx.scene.layout.*; import javafx.scene.paint.Paint; import javafx.stage.Stage;  import com.esri.arcgisruntime.layers.DimensionLayer; import com.esri.arcgisruntime.layers.Layer; import com.esri.arcgisruntime.loadable.LoadStatus; import com.esri.arcgisruntime.mapping.MobileMapPackage; import com.esri.arcgisruntime.mapping.view.MapView;  import java.io.File; import java.util.Objects;  public class DisplayDimensionsSample extends Application {   private DimensionLayer dimensionLayer;  private MapView mapView;  private MobileMapPackage mobileMapPackage; // 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);  scene.getStylesheets().add(Objects.requireNonNull(getClass().getResource("/display_dimensions/style.css")).toExternalForm());   // set title, size, and add scene to stage  stage.setTitle("Display Dimensions Sample");  stage.setWidth(800);  stage.setHeight(700);  stage.setScene(scene);  stage.show();   // set up display label for dimension layer name, and check boxes for controlling visibility and definition expression  Label dimensionLayerName = new Label();  CheckBox visibilityCheckBox = new CheckBox("Dimension Layer visibility");  visibilityCheckBox.setSelected(true);  CheckBox defExpressionCheckBox = new CheckBox("Definition Expression:" + "\n" + "Dimensions >= 450m");  defExpressionCheckBox.setWrapText(true);   // add the label and checkboxes to a JavaFX VBox  VBox controlsVBox = new VBox(6);  controlsVBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("rgba(0,0,0,0.5)"), CornerRadii.EMPTY,  Insets.EMPTY)));  controlsVBox.setPadding(new Insets(10.0));  controlsVBox.setMaxSize(220, 120);  controlsVBox.getStyleClass().add("panel-region");  controlsVBox.getChildren().addAll(dimensionLayerName, visibilityCheckBox, defExpressionCheckBox);  controlsVBox.setDisable(true);   // create a map view  mapView = new MapView();   // create and load a mobile map package  final String mmpkPath = new File(System.getProperty("data.dir"), "./samples-data/mmpk/EdinburghPylonsDimensions.mmpk").getAbsolutePath();  mobileMapPackage = new MobileMapPackage(mmpkPath);   mobileMapPackage.addDoneLoadingListener(() -> {  // check the mmpk has loaded successfully and that it contains a map  if (mobileMapPackage.getLoadStatus() == LoadStatus.LOADED && !mobileMapPackage.getMaps().isEmpty()) {  // add the map from the mobile map package to the map view, and set a min scale to maintain dimension readability  mapView.setMap(mobileMapPackage.getMaps().get(0));  mapView.getMap().setMinScale(35000);   // find the dimension layer within the map  for (Layer layer : mapView.getMap().getOperationalLayers()) {  if (layer instanceof DimensionLayer) {  dimensionLayer = (DimensionLayer) layer;  // set the label to the name of the dimension layer  dimensionLayerName.setText(dimensionLayer.getName());  // enable the vbox for dimension layer controls  controlsVBox.setDisable(false);  visibilityCheckBox.setSelected(dimensionLayer.isVisible());  }  }  } else {  new Alert(Alert.AlertType.ERROR, "Failed to load the mobile map package").show();  }  });  mobileMapPackage.loadAsync();   // set a definition expression to show dimension lengths of greater than or equal to 450m when the checkbox is selected,  // or to reset the definition expression to show all dimension lengths when unselected  defExpressionCheckBox.setOnAction(e -> {  String defExpression = defExpressionCheckBox.isSelected() ? "DIMLENGTH >= 450" : "";  dimensionLayer.setDefinitionExpression(defExpression);  });   // set the visibility of the dimension layer  visibilityCheckBox.setOnAction(e -> dimensionLayer.setVisible(visibilityCheckBox.isSelected()));   // add the map view to 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();  }  }   /**  * 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);  } }