Re: NSOutlineView autosaving of expanded/collapsed state
Re: NSOutlineView autosaving of expanded/collapsed state
- Subject: Re: NSOutlineView autosaving of expanded/collapsed state
- From: Ralph Manns <email@hidden>
- Date: Sun, 24 Feb 2008 22:35:16 +0100
Am 23.02.2008 um 23:44 schrieb Jonathan Dann:
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
Hi Jon,
I haven't found a solution up to now, although I tried everything. So
I have to do it like you explained.
Ralph.
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