Re: trouble with drag and drop, NSTableview, CoreData, Document-based app
Re: trouble with drag and drop, NSTableview, CoreData, Document-based app
- Subject: Re: trouble with drag and drop, NSTableview, CoreData, Document-based app
- From: George Orthwein <email@hidden>
- Date: Fri, 8 Sep 2006 13:22:04 -0400
On Sep 7, 2006, at 10:21 PM, Dan Donaldson wrote:
The log messages in these methods are never seen, so presumably the
methods are not being called.
Did you implement the four "dummy" datasource methods for NSOutlineView?
http://theocacao.com/document.page/130
Any ideas? I'm quite surprised at the state of underdocumentation
and the use of undocumented methods per this example: if drag and
drop isn't supported properly using this combination of useful
techniques, Apple is putting a big block in the way of developers....
In a more perfect world, Apple would have fixed the bugs in
NSTreeController by 10.4.3 or 10.4.4 and perhaps even removed the
opaqueness as well. I'd much rather require a minor version of 10.4
than consider not using NSTreeController at all. But it looks like
we'll have to wait for Leopard. My dream is a pre-built iApp-style
source pane right in IB, as even without the bugs I found it to be a
lot of code to replicate such a common UI element. Maybe I'm just
lazy from all the other stuff Cocoa does for us. :P
I did get a working project you may find useful. I'm still hoping
someone might discover a cleaner workaround than the posing hack.
http://www.cocoabuilder.com/archive/message/cocoa/2006/7/6/166974
Good Luck!
George
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