On Apr 16, 2008, at 22:54, William Towe wrote:
To achieve this I bound the table view's contentArray binding to
controller key "selection" and model key path:
"@unionOfArrays.allDescendantsNodes". The allDescendantNodes method
in my
file node class returns an array with all its descendants in it as
well as
itself.
Simply returning a value from the allDescendantNodes method does not
make your object KVO compliant for the "allDescendantNodes" property,
so the question is: what (if anything) are you doing to make it KVO
compliant? Specifically, when you insert child nodes, do you call
[self willChangeValueForKey:@"allDescendantNodes"] and [self
didChangeValueForKey:@"allDescendantNodes"], or something with the
same effect?
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