Re: DragNDrop in NSOutlineView with CoreData
Re: DragNDrop in NSOutlineView with CoreData
- Subject: Re: DragNDrop in NSOutlineView with CoreData
- From: SA Dev <email@hidden>
- Date: Fri, 29 Jul 2005 16:07:41 -0400
Cyril:
This is a topic that's been discussed in detail (and fairly
recently). You'll find plenty of answers by searching the list
archives. One place to go for this would be:
http://www.cocoabuilder.com/archive/
Hope this helps.
On Jul 29, 2005, at 3:33 PM, Cyril Frendo wrote:
Hi,
I would like to implement drag'n drop inside an NSOutlineView
binded to an NSTreeController managing entity objects from CoreData.
The result should behave like a sort of finder window allowing to
move the file node inside the tree structure.
The nice part of CoreData binding is that it manages almost all
outlineview's delegate and datasource methods ... but not drag'ndrop.
My problem is drag'ndrop methods must be implemented by the
NSOutlineView's datasource. But here, the DataSource is the
managedObjectContext.
Is there any other solution than implementing "by hand" all the
methods inside a datasource object who will forward all changes to
the NSManagedObjectContext ?
Thanks to all.
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