Hi,
Recently I am researching the MVC in GWT and meet a problem. According
to my understanding, in essentially, the benefits of MVC are 1)
decouple the viewer and model 2) make the widgets coordinating each
other. And the second point is very important to my application. So my
question is how to make several of widgets work well in a panel when
there is no abstracted model under these widgets. For example, one of
a simple case is how to implement this functionality of making one
button becoming grayed if detecting a specific button is clicked by
twice.

In fact, it's a typical FSM problem, what we should do is building the
FSM rules and executing the FSM to update the view/widgets. so, there
is no MVC model instead it is the viewer and FSM based controller
model. Does any one meet the same problem or have the same solution?

Thanks
Yu
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