On Jun 14, 2009, at 2:34 PM, Chris Tracewell wrote:
On Jun 14, 2009, at 11:27 AM, Kyle Sluder wrote:
NSDocument is what's known as a "model-controller" object. Your
actual model is the pipe-separated values; NSDocument allows you to
perform operations on that model. As such, I'd probably expose an
NSArray property for my list of things, and only do the
pipe-separation when reading from or writing to disk.
Thanks Kyle, I should've noted this is a non-document based app.
That said, I think your suggestion would imply to let the controller
to expose its own array property of the model's pipe-separated
property?
I think what Kyle meant is that your model is the values between the
pipe separators. The pipe-separated string format is part of your
file format. I don't know what your model represents, but I doubt
that the pipe-separated string format is inherent to the thing which
it represents. Rather, it seems like the sort of thing which is only
part of the storage format.
So, I think the model itself should parse the storage format and
expose its state in the more natural format for Cocoa -- an array
property.
Cheers,
Ken
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