Re: Using MVP with GWT2.7

Hi Richa,

Have you looked at EventBinder?

https://github.com/google/gwteventbinder

Pablo

On Jan 5, 2016, at 5:15 PM, Richa <richa.kulkarni@gmail.com> wrote:

Thanks Troncoso.

I get what you say, and agree that its not a very good approach.

But my concern is, For a huge application having around 200 events . Will I have to write 200 Event handlers, 200 Event Classes and Event types ?

On Tue, Jan 5, 2016 at 4:55 PM, N Troncoso <noah.troncoso@gmail.com> wrote:

You could technically do that, but you'd need some way to differentiate between events; Maybe with an enum:

public class MyEvent extends GwtEvent<MyEvent.Handler>

{

    public static enum EventTypes

    {

        THIS_EVENT,

        THAT_EVENT;

    };

    

    public interface Handler extends EventHandler

    {

        void onDispatch(MyEvent event);

    }

    public static final GwtEvent.Type<Handler> TYPE = new GwtEvent.Type<>(); // NOSONAR

    private final EventTypes type;

    public MyEvent(EventTypes type)

    {

        this.type = type;

    }

    @Override

    public GwtEvent.Type<Handler> getAssociatedType()

    {

        return TYPE;

    }

    

    public EventTypes getType()

    {

        return type;

    }

    @Override

    protected void dispatch(Handler handler)

    {

        handler.onDispatch(this);

    }

}

I don't think this is a very good approach, though, as you lose the ability to pass specific parameters based on that particular kind of event.

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