No, but GWT recommended us to merge trivial modules into one TOP module to make sure the loaded sequence. Undoubtedly, your way is correct as well.
I have a project with the same logic, and for it, I created several Layouts and swiched them on TOP module via commands from server-side code that responsible to access right -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.