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Bindings question for core data application
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Bindings question for core data application


  • Subject: Bindings question for core data application
  • From: Wayne Pascoe <email@hidden>
  • Date: Tue, 4 Apr 2006 21:00:14 +0100

Evening all,

I have a core data application that is displaying the bulk of its information in a single NSTableView. One of the columns needs to display data referred to by a relationship in the Archive entity and I can't work out how to do this.

I have 2 NSArrayControllers; one for Archives and one for ContentTypes. The ContentType attribute of the Archive entity is a relationship pointing to the ContentType entity. I want to display the appropriate ContentType along with the other fields in my NSTableView.

I have worked out how to do this in my Inspector Panel, but if anyone could help me translate this to the NSTableView column, that would help me a great deal :)

In the inspector panel, I have a NSPopupButton to select and display the ContentType for an Archive. I have set the bindings for this up as follows:

Content
Bind To: ContentTypes (NSArrayController)
Controller Key: arrangedObjects
Model Key Path: <empty>

ContentValues
Bind To: ContentTypes (NSArrayController)
Controller Key: arrangedObjects
Model Key Path: type

Selected Object
Bind To: Archives
Controller Key: selection
Model Key Path: contentType

I can't find equivalent fields to these in the NSTableColumn bindings, so I am not sure how to replicate this behavior in the NSTableView. Any help would be much appreciated :)

Thanks in advance,

--
Wayne Pascoe    (gpg --keyserver www.co.uk.pgp.net --recv-keys 79A7C870)
What we need is either less corruption, or more
chance to participate in it.

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