RadioMatrixAssociation
by Craig Federighi, EO Development Team
and Mai Nguyen, NeXT Developer Support

Overview

This is an example of  a custom association. This example uses a custom datasource, but it can be easily adapted to use a real database datasource.
 
Program Organization

User Interface

By selecting a new value in the radio button matrix, the choice is automatically updated in the tableview, and fed to the data source. Upon a new fetch, you can verify that the tableview reflects the last selected choices.

Major Classes in the Application
  
AppController	A cover class to initialize the data source of person objects and
	handle the controller fetch operations.
	
DataSource	A custom data source class (from SHLExamples).

Person				A simple NSObject class to represent a person's data

RadioAssociation	A custom association for matrices of radio buttons.