Re: Help: Data Modelling, NSTreeController and NSBrowser
Re: Help: Data Modelling, NSTreeController and NSBrowser
- Subject: Re: Help: Data Modelling, NSTreeController and NSBrowser
- From: Lachlan Deck <email@hidden>
- Date: Wed, 4 Oct 2006 16:01:06 +1000
Hi John,
On 04/10/2006, at 1:54 PM, John Harte wrote:
On Oct 2, 2006, at 9:36 PM, Lachlan Deck wrote:
I have an entity defined called Category which has:
+ Attributes:
- name (String)
+ Relationships:
- category [toOne, Category optional]
- subcategories [toMany, Category, optional]
From within Interface Builder I've instantiated an
NSTreeController with bindings:
- Entity: Category (Automatically prepares content)
- Children keypath: subcategories
- Predicate: category == nil
- managedObjectContext: (Bind ticked)
- Bind to: AppDelegate
- modelKeyPath: managedObjectContext
And the NSBrowser:
- content:
- Bind to: TreeController
- controller key: arrangedObjects
- contentValues:
- Bind to: TreeController
- controller key: arrangedObjects
- Model key path: name
I don't know if this is the problem but in my NSBrowser I also have
- selectionIndexPaths
- Bind to: TreeController
- Controller Key: selectionIndexPaths
Thanks very much for the suggestion. Unfortunately, I'm still getting
the same error.
Any other ideas? What bindings do you have?
Thanks.
with regards,
--
Lachlan Deck
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