tjE$ddlmZGddZy)) is_dundercLeZdZdZd fd ZdZfdZdZdZdZ dZ xZ S) VirtualNodeManageraPVirtualNodeManager acts as a container for VirtualNode It allows widgets to be passed around that are not yet defined, and can be defined or re-defined later. For example: >>> with layout: ... ui.hello_widget(layout) # widget is currently undefined >>> with ui.hello_widget: ... html.Div("Hello") cft|d|t|dit|d|y)N_server_vn_dict_vn_constructor)super __setattr__)selfservervn_constructor __class__s c$|j|SN) __getattr__)r names r __getitem__zVirtualNodeManager.__getitem__s%%rct|rt| |S||jvr)|j |j |j|<|j|S)N) trame_server)rr rrr r)r rrs rrzVirtualNodeManager.__getattr__sU T?7&t, , t}} $"&"6"6DLL"6"QDMM$ }}T""rc||_y)zShould not be called by userN)r )r constructors rset_vn_constructorz%VirtualNodeManager.set_vn_constructor!s *rcb|jjD]}|jy)zh Remove any reference to previously registered layouts across all VirutalNodes. N)rvalues clear_layoutsr vns rrz VirtualNodeManager.clear_layouts%s' --&&(B    )rcb|jjD]}|jy)z3Push all VirtualNode contents to registered layoutsN)rr flush_contentr s rr#z VirtualNodeManager.flush_content-s%--&&(B    )rcb|jjD]}|jy)zClear all VirtualNode contentsN)rrclearr s rr%zVirtualNodeManager.clear2s"--&&(B HHJ)rr) __name__ __module__ __qualname____doc__rrrrrr#r% __classcell__)rs@rrrs+ ? &#+ rrN)utilsrrrrr-s11r