From: Holden Glova <dsafari@...>
Date: 2001-07-12T16:57:41+09:00
Subject: [ruby-talk:17702] Re: FXDocument

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On Thu, 12 Jul 2001 02:49, Lyle Johnson wrote:
> > I've been experimenting with FXRuby for a wee while now and have
> > struck the need to be able to have a MVC type of paradigm for an
> > FXText object. While trying to satisfy my need, I came across the
> > abstract class FXDocument which sounds like it is what I need.
> > What I don't understand is how to connect it to the FXText
> > object. Is this possible or is FXDocument for something else?
> > What exactly is the deal with FXDocument?
>
> The deal with FXDocument is that it *can* be used as the base class
> for your Document (or Model) class in an MVC sense, although it's
> definitely not a requirement. Its specific original intent was for
> use with the MDI classes in FOX. When an FXMDIChild window receives
> a message indicating that it has been selected it forwards that
> information to its message target -- a different object, which can
> act as the "document" in a Document-View pattern. When that
> document object (presumably one of many) gets notification that it
> has been selected, it could in turn update the program state, other
> widgets in the GUI, etc. (i.e. standard MVC stuff).
>
> I'm not sure that this will help you with an FXText widget; you'll
> probably just want to roll your own Document class and subclass it
> directly from FXObject so that it can handle messages. You can then
> make this Document object the message target for the FXText widget;
> that way, e.g., when someone deletes text from the FXText widget, a
> message will get fired off to your Document object and you can
> react appropriately.
>
> Hope this helps,

Thanks Lyle, this helps clarify what I need to do :)

- -- 
Signed,
Holden Glova
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