} else if ("app".equals(event.getValue())) {
ContactsView contactsView = new ContactsView(new GenericDataProvider(Module.Contact, bus));
ProductView productView = new ProductView(new GenericDataProvider(Module.Product, bus));
ProposalView proposalView = new ProposalView(new GenericDataProvider(Module.Proposal, bus));
new ModulePresenter(bus, contactsView);
new ModulePresenter(bus, productView);
new ModulePresenter(bus, proposalView);
AppPresenter appPresenter = new AppPresenter(bus, new AppView(contactsView, productView, proposalView));
appPresenter.go(RootPanel.get());
}
}