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Re: Saving/Restoring stat

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  To: comp.lang.java.gui
On Mar 7, 2:50 pm, t...@sevak.isi.edu (Thomas A. Russ) wrote:
> "dunerunner" <tpdi...@gmail.com> writes:
> > I'm curious.  I am in need of a dialog with which the user can restore
> > the original state of the components.  For example, say I have a
> > jcheckbox, a jcombobox and a jlist that are in a certain state upon
> > creation of the dialog.  I want to save their state upon creation.
> > The user can click away and change the component states, but when they
> > click the Restore Defaults button, I want to restore the state of
> > those components to when the dialog was first created.
>
> > I know I can do it in a brute-force way but, I'm wondering if there
> > are any ideas out there to handle this generically (maybe using
> > reflection) where the method can apply to any number of components in
> > any dialog.
>
> > Ideas?
>
> I think you need to approach this from the opposite direction.
>
> Instead of thinking of the dialog as being the central item and figuring
> out how to generate the state information automatically from the dialog,
> go the other way.
>
> Define a representation of the state that you are trying to set.  This
> will provide an object that represents the state.  This state object is
> what is queried by the application whenever it needs to get state
> information.
>
> When you need user input, either use reflection to examine the state
> object, or augment the state object itself with additional methods and
> generate the dialog components.  You can base the components on the type
> of the individual fields of the state.
>
> --
> Thomas A. Russ,  USC/Information Sciences Institute

Thanks for the info.  That's kinda what I have played with since I
posted my query, although I didn't go so far as using the info to
generate the components, just to set their state.  I'll consider that
as well now.

Thanks again.

Tim

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Saving/Restoring state "dunerunner" <dunerunner@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
  Re: Saving/Restoring stat "tar" <tar@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000
    Re: Saving/Restoring stat "dunerunner" <dunerunner@THRWHITE.remove-dii-this> - 2011-04-27 15:31 +0000

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