[MVP] Set TabPanel to be Presenters View-Container

Hi,

wondering if there is any way to directly get and manipulate the Panel
underlying one specific Tab of of TabPanel, so the panel that holds
the Widget of one Tab?!
I know that I can't access the DeckPanel directly, but maybe there is
another way to get the container-Panel?!

I'm currently changing a projects architecture to MVP as described in
the article: http://code.google.com/intl/de/webtoolkit/articles/mvp-architecture.html

In subsection http://code.google.com/intl/de/webtoolkit/articles/mvp-architecture.html#history
one can see how easy it is to Implement History-Handling throughout
MVP-Based applications.
Now I want to stick to this as close as possible, but haven't found a
way yet to do something like:

[Code]
public class AppController implements ValueChangeHandler<String> {
...
public void onValueChange(ValueChangeEvent<String> event) {
String token = event.getValue();

if (token != null) {
Presenter presenter = null;

if (token.equals("list")) {
presenter = new ContactsPresenter(rpcService, eventBus, new
ContactView());
}
else if (token.equals("add")) {
presenter = new EditContactPresenter(rpcService, eventBus, new
EditContactView());
}
else if (token.equals("edit")) {
presenter = new EditContactPresenter(rpcService, eventBus, new
EditContactView());
}

if (presenter != null) {
presenter.go(container);
}
}
}
[/Code]

where the "container" actually is the DeckPanel in a TabPanel.
So is there any other possibility of setting a MVP-Presenters
ViewContainer to be a TabPanel-Widget?!

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