Thanks Ken.
That worked. I thought I had to bind everything through the
Controller. It seemed to me that I wasn't allowed to bind a View
item's (the NSPopUpButton) property directly to a model object's
(popup.selectedGame) property. But I do not see any way to use the
controller here to communicate with a property in the Model, except to
get its Content from the Model, which works fine.
The Controller actually doesn't even have any "selection" binding
except "Selection Indexes". Very different from when I bind a
TableView to an array controller...
My popup button now sets the model object string value.
If you have any more tips I would love to hear them. I have literally
read every word I can find about this class and still could not make
it work.
Thanks again
Johnny
On May 8, 2008, at 10:05 PM, Ken Thomases wrote:
On May 8, 2008, at 8:56 PM, Johnny Lundy wrote:
Bindings:
1. My NSPopUpButton is bound with its Content, Content Objects, and
Content Values to the NSArrayController's arrangedObjects.self.
2. The NSArrayController's Content is bound to Popup.popupArray
through an instance of the class Popup in IB (see #3).
3. An NSObject "popup", instantiated from within IB, has its Class
set to "Popup." Binding to that to get the array content works fine
(popup.popupArray).
I can't figure out what to bind the NSPopUpButton's "selection"
bindings to, to get the instance variable "selectedGame" to be set
to whichever of the two items in the popup is selected by the user.
I haven't tested, but my understanding is that you bind the
NSPopUpButton's selectedObject to popup.selectedGame. Since the
Content Objects and Content Values are both bound to the same thing,
you could bind selectedValue to popup.selectedGame, too.
Cheers,
Ken
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