I use a standalone singleton object in Matt Galloway style. Never ran into the
crash you're mentioning.
On Sep 5, 2012, at 8:39 AM, Jerry Krinock wrote:
> What is the best the data source for a table view in a document window? The
> candidates are…
>
> (1) Category of the document. This is the way it is done in the
> WithoutBindings ("With and Without Bindings") Apple sample code. But it
> seems like too much "view-ish" code in the data model, particularly when my
> document class is also used in a GUI-less command-line tool, which has no
> need for this code.
>
> (2) Separate, standalone object. Fancy housekeeping is needed to avoid
> retain cycles, and crashes in corner cases as the document window is closing.
>
> (3) Category of the window controller. Probably not a bad choice, except
> that my window controller for this multi-tabbed window is already huge.
>
> (4) Category of the table view itself, assuming that it is subclassed.
> Seems like a logical division. No worrying about whether table view or its
> data source gets deallocced first. Access the document via [[[self window]
> windowController] document].
>
> * * *
>
> I've used (2) but think I'm going to switch to (4). Any important
> considerations I've overlooked?
>
> Thanks,
>
> Jerry
>
>
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