Javafx : Activate a tooltip with a button

Question

I\'m using JavaFx for a little app and a want to display a tooltip on a textArea when the user is clicking on a \"help\" button.

No problem for linking a tootltip to

Answer 1

The following show a tooltip over control.
If controlhas a Tooltip assigned to, this tooltip is not chnaged.

public static void showOneTimeTooltip(Control control, String tooltipText) {

    Point2D p = control.localToScreen(5 , 5);

    final Tooltip customTooltip = new Tooltip(tooltipText);
    customTooltip.setAutoHide(false);
    customTooltip.show(control,p.getX(),p.getY());

    PauseTransition pt = new PauseTransition(Duration.millis(2000));
    pt.setOnFinished(e->{
        customTooltip.hide();
    });
    pt.play();
}