On Nov 13, 2009, at 1:39 AM, Graham Cox wrote:
>
> On 13/11/2009, at 8:18 AM, Martin Hewitson wrote:
>
>> Has anyone tried something like this, or can anyone see what I'm doing wrong?
>
>
> I'm a bit mystified by your data structure here. Why do you use a separate
> dictionary for each key/value pair (name/colour pair)? Why not just use one
> dictionary for the list of colours, and add that as a single item to the user
> defaults? It would be much simpler and efficient, and probably less prone to
> difficult to understand code paths as you'd have one less level of
> indirection (or possibly two less - you wouldn't need the array either).
The point is to store an array of 'items' with a 'name' together with a
'color'. And later there may be more properties of an 'item'.
Martin
>
> I expect the problem is because the changes you're making are an extra level
> of indirection inside the data structure and are not being observed by the
> user defaults binding. I could be wrong though as bindings is not something
> I'm very intimate with.
>
> Also, check out whether NSColorList will do what you need here - it already
> maintains lists of named colours.
>
> --Graham
>
>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Martin Hewitson
Albert-Einstein-Institut
Max-Planck-Institut fuer
Gravitationsphysik und Universitaet Hannover
Callinstr. 38, 30167 Hannover, Germany
Tel: +49-511-762-17121, Fax: +49-511-762-5861
E-Mail: [email protected]
WWW: http://www.aei.mpg.de/~hewitson
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_______________________________________________
Cocoa-dev mailing list ([email protected])
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com
This email sent to [email protected]
