I have a JavaBean, one of whose properties I would like to make a BeanContext, essentially a container for other Javabeans of a particular type or sub-type. I know how to filter out the particular type or sub-type added to the containing BeanContext. That is not my problem. My problem is that there is no built-in property editor for a property which is a BeanContext, and I want my property to expand to a BeanContext when the end-user clicks on that property of my bean so that other beans can be added to the nested BeanContext.How can I create a JavaBean property editor for my BeanContext property which will act as a nested BeanContext in whatever environment creates a BeanContext for the JavaBean itself ?