Re: Use of IsEditor in UiBinder

On Thursday, September 12, 2013 3:18:57 PM UTC+2, Jordan Amar wrote:

Thanks, good trick ! I thought the UIBinder would also attempt to get my provided widget through the same kind of method (i am talking of foo()). But it did not :) (now that I am riting this i think such methods require a @UIFactory annotation right ?)

However, I think there is some kind of error in your proposal. I think foo() (or fooEditor) should be of type IsEditor. Once I did this it worked.

Well, there's an error in my proposal, but IsEditor is not necessarily needed. Any class that implements Editor or IsEditor will be fine. All that's needed is that each and every subeditor can be discovered at compile-time via static analysis only (and not looking for the subclasses of the declared field types or methods return types, only the declared types; this is where my example had an error: Editor<SomeType> is not specific enough. If IsEditor<Foo> works for you, then Foo should work just as well.

 

Now I have another problem. It seems like SimpleBeanEditorDriver<T,E> is expecting the Editor to be a plain class. Am I right ?

No, but the complete tree of editors must be discoverable from the interface.

 

I tried to specify an interface that extends Editor and IsEditor (which actually returns "this"), but calling Driver.edit() does not fill my fields.

Is it possible to do so ?

Yes, but it's useless.

 

Does my interface have to declare all the editor accessors (fooEditor(), barEditor()) as well ?

Yes, because interfaces cannot have fields. 

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