A method for generating a model diagram includes registering a scoped domain editor extender with a domain model element, retrieving a domain model and sending the domain model to the registered scoped domain editor extender, generating a modeling language model and mapping the modeling language model to the domain model, retrieving a domain model element from the domain model, generating a modeling language model element and associating the modeling language model element with the domain model, generating a graphical diagram including a shape corresponding to the modeling language model element, generating a user input item and associate the user input item with the modeling language model element, and displaying the shape and the user input item to a user.