Bindings validation for NSMutableArray of NSMutableDictionary
Bindings validation for NSMutableArray of NSMutableDictionary
- Subject: Bindings validation for NSMutableArray of NSMutableDictionary
- From: "email@hidden" <email@hidden>
- Date: Thu, 13 Dec 2012 11:54:47 +0000
I bind an NSArray of NSMutableDictionary instances to an NSTableView and enable NSTableColumn editing..
How can I best implement KVO based validation when editing the view?
Subclassing NSArray controller is a no go as validateValue:forKeyPath:error is never called.
Subclassing the NSMutableDictionary model obviously isn't desirable.
I can refactor the NSMutableDictionary instances into custom objects and use model based validation if needed.
However, binding dictionaries into table views is often convenient so a working validation strategy would be useful.
Jonathan
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