XCode 4.2: Where has “Value Transformer Name” gone for Core Data attribute type 'Transformable'?
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09-02-2021 - |
Question
I'm creating an NSValueTransformer
subclass to convert a UIImage
to/from an NSData
to allow insertion/retrieval to/from a Core Data SQLite database. However, after selecting Attribute type Transformable
in the Xcode 4.2 integrated Data Model Editor, there is no Value Transformer Name
property to specify which transformer class should be used.
Does anyone know where this has moved to? It was there in earlier versions of Xcode.
Many thanks!
Solution
This is from Xcode 4.1:
The (value transformer) Name box is right below Attribute Type.
By the way, I bind an NSImageView
's Value binding to this attribute, and it works as desired, even without specifying a value transformer.
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