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How to create sub menus in JavaFX?
A menu is a list of options or commands presented to the user, typically menus contain items that perform some action. The contents of a menu are known as menu items and a menu bar holds multiple menus. You can create a menu by instantiating the javafx.scene.control.Menu class.
Adding sub menus
To create a menu −
Instantiate the Menu class.
Create a required number of menu items by instantiating the MenuItem class.
Add the created menu items to the observable list of the menu.
To add sub-menu, you just need to add a menu to another menu.
Example
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.SeparatorMenuItem;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class SubMenuExample extends Application {
@Override
public void start(Stage stage) {
//Creating a menu
Menu fileMenu = new Menu("File");
//Creating menu Items
MenuItem save = new MenuItem("Save");
Menu edit = new Menu("Edit");
MenuItem remove = new MenuItem("Remove");
MenuItem exit = new MenuItem("Exit");
//Creating menu items for the sub item edit
MenuItem sub1 = new MenuItem("Copy");
MenuItem sub2 = new MenuItem("Paste");
//Adding sub items to the edit
edit.getItems().addAll(sub1, sub2);
//Creating a separator
SeparatorMenuItem sep = new SeparatorMenuItem();
//Adding all the menu items to the menu
fileMenu.getItems().addAll(save, edit, remove, sep, exit);
//Creating a menu bar and adding menu to it.
MenuBar menuBar = new MenuBar(fileMenu);
menuBar.setTranslateX(200);
menuBar.setTranslateY(20);
//Setting the stage
Group root = new Group(menuBar);
Scene scene = new Scene(root, 595, 200, Color.BEIGE);
stage.setTitle("Menu Example");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}Output
Updated on: 20-May-2020
1K+ Views
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