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How to add accelerators to a menu item?
A menu is a list of options or commands presented to the user, typically menus contains items that perform some action. The contents of a menu are known as menu items and a menu bar holds multiple menus.
In JavaFX a menu is represented by the javafx.scene.control.Menu class, a menu item is represented by the javafx.scene.control.MenuItem class, And, the javafx.scene.control.MenuBar class represents a menu bar.
Adding accelerators to a menu item −
Accelerators are short cuts to menu Items. The MenuItem class contains a property named accelerator (of type KeyCombination), which associates a combination to the action of the current MenuItem.
You can set value to this property using the setAccelerator() method. Therefore, to set accelerator to a particular MenuItem, invoke the setAccelerator() method on it as shown below −
MenuItem item = new MenuItem("Exit", imgView3);
item.setAccelerator(KeyCombination.keyCombination("Ctrl+X"));Example
import javafx.application.Application;
import javafx.event.ActionEvent;
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.image.ImageView;
import javafx.scene.input.KeyCombination;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class MenuItemAccelerators extends Application {
@Override
public void start(Stage stage) {
//Creating image view files
ImageView imgView1 = new ImageView("UIControls/open.png");
imgView1.setFitWidth(20);
imgView1.setFitHeight(20);
ImageView imgView2 = new ImageView("UIControls/Save.png");
imgView2.setFitWidth(20);
imgView2.setFitHeight(20);
ImageView imgView3 = new ImageView("UIControls/Exit.png");
imgView3.setFitWidth(20);
imgView3.setFitHeight(20);
//Creating menu
Menu fileMenu = new Menu("File");
//Creating menu Items
MenuItem item1 = new MenuItem("Open File", imgView1);
MenuItem item2 = new MenuItem("Save file", imgView2);
MenuItem item3 = new MenuItem("Exit", imgView3);
//Setting accelerators to the menu items
item1.setAccelerator(KeyCombination.keyCombination("Ctrl+F"));
item2.setAccelerator(KeyCombination.keyCombination("Ctrl+S"));
item3.setAccelerator(KeyCombination.keyCombination("Ctrl+X"));
//Adding all the menu items to the menu
fileMenu.getItems().addAll(item1, item2, item3);
//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
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