I am creating a GWT application using MVP pattern. I have an index
page which uses DockLayoutPanel. I have view and presenter for each
section of dockLayoutPanel (ex: NorthView and NorthPresenter). I have
four buttons in the center panel (NorthBtn, EastBtn, WestBtn,
SouthBtn). onClick of any one of the buttons the UI should change in
respective section of dockLayoutPanel.
Entry Point Class:
@Override
public void onModuleLoad() {
RPCServiceAsync rpcService = GWT.create(RPCService.class);
HandlerManager eventBus = new HandlerManager(null);
AppController appViewer = new AppController(rpcService, eventBus);
appViewer.go(RootLayoutPanel.get());
}
AppController class has the logic for History management and event
handling logic. (From Google article - To handle logic that is not
specific to any presenter and instead resides at the application
layer, we'll introduce the AppController component.)
For example, onClick of a EastBtn in center panel I add a new history
token, "east", and onValueChange() method is called. The respective
presenter and view is created, say EastView and EastPresenter:
1. How can I update the existing EastPanel with the newly created
panel (as I dont have handle to the old Panel)?
2. If the user has bookmarked the page after the button click and re-
visits the page with bookmarked link, the flow would reach
onValueChange method and create EastView and EastPanel. But, how can
the rest of the page be re-created and EastPanel be updated?
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