On 23 Feb 2008, at 01:58, Ralph Manns wrote:
Hi,
is there a solution on Leopard to implement the autosaving of
expanded/collapsed state of an NSOutlineView (bound to Core Data via
NSTreeController).
I tried to implement outlineview:persistentObjectForItem; and
outlineView:itemForPersistentObject:. But it doesnt't work, because
NSTreeNode and NSManagedObject don't encode with NSKeyedArchiver.
Is there something I am missing, or couldn't state autosaving be
done in Leopard without 'hacks' like in Tiger?
Hi Ralph,
I ran into this too in a non-Core Data app. I haven't found a
solution better than iterating through each row in the outlineView and
calling -isItemExpanded (I think that's the method) so I can use the
output from this to re-exapnd the rows when I restart my app (or open
the document in the case of a document-based app).
I'd welcome a better solution though!
Jon
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