Re: Missing children in NSTreeController/NSOutlineView
Re: Missing children in NSTreeController/NSOutlineView
- Subject: Re: Missing children in NSTreeController/NSOutlineView
- From: Quincey Morris <email@hidden>
- Date: Mon, 14 May 2012 01:06:14 -0700
On May 14, 2012, at 00:40 , Mikkel Eide Eriksen wrote:
> - An NSTreeController whose content object is bound to the selection of an NSArrayController. The NSTreeController is configured with the children key path "properties"
1. Check that you have the correct configuration for the count key and/or the leaf key.
2. Check the KVO compliance of whichever of these keys you use. For example, a leaf key like this:
- (BOOL) isLeaf {
return self.properties.count > 0;
}
*isn't* KVO compliant.
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