If you value theory and "purity" more than pragmatism and productivity, then yes, it probably violates the pattern, as it doesn't use the observer pattern. But note that even Martin Fowler warns about the "dangers" of the observer pattern: http://martinfowler.com/eaaDev/OrganizingPresentations.html#observer-gotchas
For a great presentation of "pragmatic MVP", have a look at http://www.google.com/events/io/2010/sessions/gwt-continuous-build-testing.html -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/jBt1uTYpNsMJ. To post to this group, send email to google-web-toolkit@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.