Re: NSTableColumn 'enabled' binding not in 10.3? Any others?
Re: NSTableColumn 'enabled' binding not in 10.3? Any others?
- Subject: Re: NSTableColumn 'enabled' binding not in 10.3? Any others?
- From: mmalc Crawford <email@hidden>
- Date: Mon, 28 May 2007 15:56:55 -0700
On May 28, 2007, at 11:38 AM, Jerry Krinock wrote:
Well, after after getting my first window to work using bindings in
Tiger, I get the following error when the window loads in Panther:
[<NSTableColumn 0xXXXXXXXX> valueForUndefinedKey:]: this class is
not key value coding compliant for the key enabled.
Have you bound the table column itself, or bound something *to* the
'enabled' key of the table column?
So, I surmise from this error that such a binding was not supported
in Panther. But I looked in the API documentation of NSTableColumn,
its superclass and protocols, and find that the 'enabled' attribute
is not documented. So, I further surmise that NSTableColumn
'enabled' is one of those magical "bindings-only" attributes
invoking some Apple-private API.
But I'm not sure because I searched the release notes,
http://developer.apple.com/releasenotes/Cocoa/AppKit.html
and did not find any mention of this. Neither do I see it in the
Bindings Options documentation,
http://developer.apple.com/documentation/Cocoa/Reference/CocoaBindingsRef/Concepts/BindingsOptions.html
(Although I suppose that 'enabled' is an attribute, not an ^option^.)
Indeed -- so it's not clear why you don't refer to the table column
bindings documentation: <http://developer.apple.com/documentation/Cocoa/Reference/CocoaBindingsRef/BindingsText/NSTableColumn.html
>
?
"enabled
[...]
Availability:
Available in Mac OS X v10.3 and later."
It's also not clear what you mean by:
"So, I further surmise that NSTableColumn 'enabled' is one of those
magical "bindings-only" attributes invoking some Apple-private API."
All the public bindings-related API is documented.
mmalc
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