* Node to which the tooltip need to be shown.
*/
private void showToolTip(StackPane node) {
final Parent parent = node.getParent();
final Bounds childBounds = node.getBoundsInParent();
final Bounds parentBounds = parent.localToScene(parent.getBoundsInLocal());
double layoutX = childBounds.getMinX() + parentBounds.getMinX() + parent.getScene().getX() + parent.getScene().getWindow().getX();
double layoutY = childBounds.getMaxY() + parentBounds.getMinY() + parent.getScene().getY() + parent.getScene().getWindow().getY();
getPopup().show(node, layoutX, layoutY + 5);
}