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How to embed nodes in a JavaFX MenuItem?
A menu is a list of options or commands presented to the user. In JavaFX a menu is represented by the javafx.scene.control.Menu class, you can create a menu by instantiating this class.
A menu item is an option in the menu it is represented by the javafx.scene.control.MenuItem class, a superclass of the Menu class. You can display a text or a graphic as a menu item and add the desired cation to it.
Setting a node as a menu item
The MenuItem class has a property named graphic this is of the type Node; this specifies the optional graphic for the current menu-item. You can set the value to this property using the setGraphic() method.
To embed a node as a menu item you need to create an object of it by instantiating the respective class and pass it as a parameter to the setGraphic() Method.
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.paint.Color;
import javafx.scene.paint.PhongMaterial;
import javafx.scene.shape.CullFace;
import javafx.scene.shape.DrawMode;
import javafx.scene.shape.Sphere;
import javafx.stage.Stage;
public class NodeAsMenuItem extends Application {
@Override
public void start(Stage stage) {
//Drawing a Sphere
Sphere sphere = new Sphere();
sphere.setRadius(12.0);
sphere.setDrawMode(DrawMode.LINE);
//Setting other properties
sphere.setCullFace(CullFace.BACK);
sphere.setDrawMode(DrawMode.FILL);
PhongMaterial material = new PhongMaterial();
material.setDiffuseColor(Color.BROWN);
sphere.setMaterial(material);
//Creating menu
Menu fileMenu = new Menu("File");
//Creating menu item
MenuItem item = new MenuItem("Open");
//Setting slider as a menu item
item.setGraphic(sphere);
//Adding all the menu items to the menu
fileMenu.getItems().addAll(item);
//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");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}Output
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