JavaFX Tutorial - Java ContextMenu.show(Node anchor, double screenX, double screenY)

Syntax

ContextMenu.show(Node anchor, double screenX, double screenY) has the following syntax.

public void show(Node anchor,
 double screenX,
 double screenY)

Example

In the following code shows how to use ContextMenu.show(Node anchor, double screenX, double screenY) method.

//from  www.j ava  2 s . co  m
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Side;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.ContextMenu;
import javafx.scene.control.Label;
import javafx.scene.control.MenuItem;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

public class Main extends Application {
  public static void main(String[] args) {
    launch(args);
  }
  @Override
  public void start(Stage stage) {
    Scene scene = new Scene(new Group(), 450, 250);
    TextField notification = new TextField();

    MenuItem item1 = new MenuItem("About");
    item1.setOnAction(new EventHandler<ActionEvent>() {
      public void handle(ActionEvent e) {
        System.out.println("About");
      }
    });
    MenuItem item2 = new MenuItem("Preferences");
    item2.setOnAction(new EventHandler<ActionEvent>() {
      public void handle(ActionEvent e) {
        System.out.println("Preferences");
      }
    });
    
    final ContextMenu contextMenu = new ContextMenu(item1, item2);
    contextMenu.setOnShowing(new EventHandler<WindowEvent>() {
      public void handle(WindowEvent e) {
        System.out.println("showing");
      }
    });
    contextMenu.setOnShown(new EventHandler<WindowEvent>() {
      public void handle(WindowEvent e) {
        System.out.println("shown");
      }
    });
    
    System.out.println(contextMenu.onActionProperty());
    contextMenu.setOnAction(new EventHandler<ActionEvent>() {
      public void handle(ActionEvent e) {
        System.out.println("on");
      }
    });
    
    notification.setContextMenu(contextMenu);
    GridPane grid = new GridPane();
    grid.setVgap(4);
    grid.setHgap(10);
    grid.setPadding(new Insets(5, 5, 5, 5));
    grid.add(new Label("To: "), 0, 0);
    grid.add(notification, 1, 0);

    contextMenu.show(grid,20,20);
    
    Group root = (Group) scene.getRoot();
    root.getChildren().add(grid);
    stage.setScene(scene);
    stage.show();
  }
}