/// <summary>
        /// Responds to item state changed events. </summary>
        /// <param name="event"> the ItemEvent that happened. </param>
        public virtual void itemStateChanged(ItemEvent @event)
        {
            object source = @event.getSource();

            if ((source == __component_JComboBox) && (@event.getStateChange() == ItemEvent.SELECTED))
            {
                // REVISIT SAM 2004-10-25 Need to pick the proper input filter
                // panel depending on the component
            }
        }