javafx нажатие на клавишу F1


package sample;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.TextArea;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {
        Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
        primaryStage.setTitle("Hello World");
        primaryStage.setScene(new Scene(root, 300, 275));
        primaryStage.show();

        primaryStage.addEventFilter(KeyEvent.KEY_PRESSED, new EventHandler<KeyEvent>() {
            public void handle(KeyEvent ke) {
                TextArea t = (TextArea) root.lookup("#text");
                t.appendText("Key Pressed: " + ke.getCode() + "\n");
                if (ke.getCode() == KeyCode.F1) {
                    System.out.println("Key Pressed: " + ke.getCode());
                    ke.consume(); // <-- stops passing the event to next node
                }
            }
        });
    }


    public static void main(String[] args) {
        launch(args);
    }
}