A Bindable Custom NSView Subclass
In this post I’ll walk through writing a custom subclass of NSView that can bind to an NSArrayController to display information either from some generic array connected to the array controller, or from a Core Data object model.
The view we’ll be creating is a custom view to display a pie-chart; in the sample app the pie-chart will be drawn from data entered in an NSTableView. The finished application looks like the following:

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