Bindings problem: NSTreeController
Bindings problem: NSTreeController
- Subject: Bindings problem: NSTreeController
- From: Nicholas Crosbie <email@hidden>
- Date: Fri, 13 Jan 2006 10:33:55 +1100 (EST)
Bindings problem: NSTreeController
I have two outline view columns bound to a single
treecontroller.
One column has its value set as follows:
value = arrangedObjects.name [NSTreeController
(NSTreeController)]
I can edit the values of this column without problem,
edits are
displayed to the UI, and written to a store via core
data.
The other column gets its value via a relationship as
follows:
value = arrangedObjects.gate.longName
[NSTreeController (NSTreeController)]
Despite the fact that all other settings appear to be
the same for this column
as the other, the 'edited' values of this column are
not displayed to the UI nor
stored to file. What could be missing/wrong?
- NDC
note: the aforementioned treecontroller has the
following bindings:
contentSet = selection.children [NSArrayController
(NSArrayController)]
managedObjectContext = managedObjectContext [File's
Owner (My Document)]
For Attributes, the treecontroller is set up as
follows:
Mode = Entity and correct entity name is given
checked (on) are:
Automatically prepares content, Editable, Avoids empty
selection, Preserves selection, Selects
inserted objects
Children key path = children
No predicate specified.
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