Isn't the event bus just an implementation of the Observer pattern? On Wed, Dec 16, 2009 at 1:12 AM, Grant <[email protected]> wrote: > What you probably want is an Event Bus. > > There is a great video available, google for 'gwt mvp'. It is well > worth a watch > > Grant > > > > On Dec 16, 7:01 am, jax <[email protected]> wrote: >> HI >> >> I have a questions about communication in GWT and java in general. >> >> In an effort to better modularize my application I have made a number >> of different composites. I then have a main application that links >> together all the composites. >> >> The problem comes when I need to communicate between composites, for >> example change an image in a composite based on an event in another >> composite. >> >> They way I have don this now is by passing "this" to every composite >> constructor and saving it as parent. I also have methods that allow >> me to get the children of a composite. Then in each composite I have >> a getCompositeParent() method that will allow me to go further down >> the composite tree. >> >> For example: >> >> parent.getCompositeParent().getCompositeParent().getNamesComposite >> ().getName().setText("hello"); >> >> This seems a bit unwieldy. Is this the normal way of doing things in >> JAVA? > > -- > > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > >
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