Re: using cusrtom classes in GWT designer

Hi Thomas!

Since this seems more like a WindowBuilder question than a specific GWT Designer question, I would recommend asking at the Eclipse forums linked above.

Actually, no. The error comes from UiBinder and more precisely the custom parser for DockLayoutPanel.

Ok, so it's definitely an error? Not a wanted behavior that I do not know?

 

Generally speaking, you shouldn't extend existing widgets but rather compose/wrap them within Composite or IsWidget.

Why?

Besides Portal I also have a subclass ListPortal and several subclasses, e. g. GameListPortal, AnnouncementListPortal, etc...

What would be a reason that the GUI tool makes requirements on the class hierarchy? I would expect such a tool to take my classes as some subclasses of some base class, e. g. UIObject. Why does the tool care about the intermediate classes?

Magnus

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