It's old, but check the comments at
http://wanderingcanadian.ca/2010/11/05/hello-mvp-with-gin/
On 5 January 2016 at 16:15, Richa <richa.kulka...@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.tronc...@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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