Is there really no comments on this? Am I doing something wrong or
does GWT handle events this way. Doesn't seem right that I have to
handle everything in the DockPresenter. Could someone please point me
in the right direction

Thanks
A

On 9 Juli, 14:43, xworker <[email protected]> wrote:
> Hi all.
>
> Got this setup:
>
> Dock (DockLayoutPanel)
>   --Tree (Tree)
>   --Content. (SimplePanel)
>
> DockPresenter creates and bind the presenters for tree and content
> like so:
>
> public DockPresenter(ContactsServiceAsync rpcService,
>                         HandlerManager eventBus, Display view) {
>                 this.rpcService = rpcService;
>                 this.eventBus = eventBus;
>                 this.display = view;
>
>                 contactsPresenter = new ContactsPresenter(rpcService, 
> eventBus,
>                                 new ContactsView());
>                 treePresenter = new TreePresenter(rpcService, eventBus, new
> MyTree());
>         }
>
> Then in the bind method in the DockPresenter i got this:
>
>         public void bind() {
>                 contactsPresenter.bind();
>                 treePresenter.bind();
>
>                 eventBus.addHandler(SelectionEvent.getType(), treePresenter);
>
> I want to propagate all the Selection events to the treePresenter. The
> treePresenter looks like this:
>
> public class TreePresenter implements Presenter,
> SelectionHandler<TreeItem> {
>
> ...
> ...
>
> @Override
>         public void onSelection(SelectionEvent<TreeItem> event) {
>          TreeItem item = (TreeItem) event.getSelectedItem();
>                  ...
>                  ..
>
> }
>
> But the onSelection method never gets called. Have I misunderstod the
> MVP event model? I dont want to handle all event in the dock
> presenter, then everyting gets tangeld upp and not very decoupled.
> What is the proposed way to handle events in a setup with nestled
> presenter and containers widgets containing other widgets?
>
> It seems that an good example with MVP ui:binding and DockLayoutPanel
> (or similar) with a tree navigation to the west which changes content
> in the center panel would benefit alot of people.
>
> Thanks for your time
> /Andreas

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