Hi Martin
Thanks for the info, I'll look out for the update.
John
From: Martin Wittemann <[email protected]>
Reply-To: qooxdoo Development <[email protected]>
Date: Wed, 18 Jan 2012 09:37:16 +0100
To: qooxdoo Development <[email protected]>
Subject: Re: [qooxdoo-devel] Customising the event handlers provided by
qx.event.Registration
Hey,
Thats a problem we are aware of. In the end, it comes down to the fact that
we can not control which handler are included and which are not. If it would
be possible to exclude the qx drag & drop handler, it would be easy for you
to register your custom one instead of the qx one. Thats what were working
on, so you might see some changes to that in the upcoming release as well.
Regards,
Martin
Am 17.01.2012 um 18:35 schrieb John Spackman:
> Hi,
>
> I want to be able to customise the Drag & Drop behaviour in Qx so that I can
> adjust how & when events are fired and pick up on Drag & Drop globally but
> there's isn't an API to allow it. Even though event handlers are developed as
> individual modules and "registered" they cannot be replaced with any other
> implementation, which seems like an unfortunate restriction effectively
> handlers are global per window.
>
> I've hacked around this by changing the classname of my replacement class and
> tricking qx.event.Manager to cache my class instance instead of the real one
> but obviously it's not a "recommended" approach, it will only work on the
> specified window instance, and I'm concerned that changes to the Qx framework
> could break it in the future.
>
> This is the code:
>> myapp.MyDragDropHandler.classname = qx.event.handler.DragDrop.classname;
>> var handler =
>> Registration.getManager(window).getHandler(myapp.MyDragDropHandler);
>> qx.core.Assert.assertTrue(handler.constructor === myapp.MyDragDropHandler,
>> "Cannot install");
>
> Can this be changed? EG add a generic way to replace event handlers?
>
> John
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