public void setDropdownFocusable(boolean popupFocusable) {
    boolean old = this.dropdownFocusable;
    this.dropdownFocusable = popupFocusable;
    firePropertyChange(PROPERTY_NAME_DROPDOWN_FOCUSABLE, old,
        popupFocusable);
  }
public void setDropdownFocusable(boolean popupFocusable)