import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.HBox;

public class MnemonicsTest1 extends Application {

    TitledPane tPane;

    private void init(Stage primaryStage) {
        HBox root = new HBox(2);
        primaryStage.setScene(new Scene(root, 400, 200));

        tPane = new TitledPane("_Title", new Button("Button"));
        tPane.setMinSize(200, 50);
        
        CheckBox parse_mnemonics = new CheckBox("Mnemonics Parsing");
        parse_mnemonics.selectedProperty().addListener(new ChangeListener<Boolean>() {
            public void changed(ObservableValue<? extends Boolean> ov, Boolean t, Boolean t1) {
                tPane.setMnemonicParsing(t1);
                tPane.requestFocus();
            }
        });

        root.getChildren().addAll(tPane, parse_mnemonics);
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        init(primaryStage);
        primaryStage.show();
    }

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