Development ToolsKFSplitView
A subclass of NSSplitView with a few extra features:
* Allows programmatic expanding and collapsing of subviews
* Posts notifications when subviews collapse and expand
* Implements NSWindow-like position saving and autosaving
* Informs the delegate when the user double clicks or drags a divider
This class might also be of interest because it is pretty much a complete re-implementation of NSSplitView with an open source license. It’s a good place to start if you’re looking to add some functionality to NSSplitView and you’re having a hard time getting it by subclassing Apple’s class.
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