I have a default button (setDefaultButton(true)), but it won't trigger, when I press Enter on a TextField, which is inside a TitledPane.

In my example there is a normal TextField on the first tab, to show, that it works usually.

On the second tab is also a TextField but this time inside a TitlePane. Pressing Enter here does not trigger the button's action.



import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.FlowPane;
import javafx.scene.layout.HBoxBuilder;
import javafx.scene.layout.VBoxBuilder;
import javafx.stage.Modality;
import javafx.stage.Stage;

public class MainApplication extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        Scene scene = new Scene(new MainApplicationView(), 800, 600);
        stage.setScene(scene);

        stage.show();
    }

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

    private class MainApplicationView extends BorderPane {

        FlowPane buttons = new FlowPane();
        Button btnOk = new Button("OK");

        TabPane tabPane = new TabPane();
        TextField txt1 = new TextField();
        TextField txt2 = new TextField();
        TitledPane titlePane = new TitledPane();

        Stage dialogStage;

        public MainApplicationView() {

            Tab tab1 = new Tab("Example 1");
            tab1.setContent(HBoxBuilder.create().children(txt1).padding(new Insets(15, 15, 15, 15)).build());

            Tab tab2 = new Tab("Example 2");
            titlePane.setText(" TitlePane ");
            tab2.setContent(titlePane);
            titlePane.setContent(HBoxBuilder.create().children(txt2).padding(new Insets(15, 15, 15, 15)).build());

            tabPane.getTabs().addAll(tab1, tab2);
            this.setCenter(tabPane);

            buttons.getChildren().add(btnOk);
            buttons.setAlignment(Pos.CENTER_RIGHT);
            this.setBottom(buttons);

            btnOk.setDefaultButton(true);
            btnOk.setOnAction(new EventHandler<ActionEvent>() {

                @Override
                public void handle(ActionEvent arg0) {
                    createSimpleDialog();
                }
            });

        }

        private void createSimpleDialog() {
            if (dialogStage == null) {
                dialogStage = new Stage();
                dialogStage.initModality(Modality.WINDOW_MODAL);

                Label lbl = new Label("Button clicked");
                Button btnOk = new Button("Ok");
                btnOk.setOnAction(new EventHandler<ActionEvent>() {

                    @Override
                    public void handle(ActionEvent arg0) {
                        dialogStage.close();
                    }
                });

                dialogStage.setScene(new Scene(VBoxBuilder.create().children(lbl, btnOk).alignment(
                        Pos.CENTER).padding(new Insets(5)).build()));

            }
            dialogStage.show();
        }
    }
}