* 
     * @return An IProperty page for the selected object
     */
    public IPropertySheetPage getPropertySheetPage() {
        if (propertySheetPage == null) {
            propertySheetPage = new PropertySheetPage(){
                public void makeContributions( IMenuManager menuManager,
                        IToolBarManager toolBarManager, IStatusLineManager statusLineManager ) {
                    super.makeContributions(menuManager, toolBarManager, statusLineManager);
                }