Using NSUserDefaultsController with an NSPopUp button
Using NSUserDefaultsController with an NSPopUp button
- Subject: Using NSUserDefaultsController with an NSPopUp button
- From: "David Rappo" <email@hidden>
- Date: Mon, 30 Oct 2006 14:29:52 +1100
Hi,
I am experiencing problems using NSUserDefaultsController with an
NSPopUp button, and an NSArray of strings (the source array for the
NSPopUp button). The goal is to allow the user to add/remove strings
from the NSPopUp button, and for the program to remember the state of
the NSPopUp after the user quits and restarts.
My bindings are setup as follows:
* NSArrayController called colorArray
Its contentArray is bound to the NSUserDefaultsController with
controller key = values, and model key path = "colorArrayKey" (the key
for my array in the NSUserDefaults object)
The object class name is set to NSString.
* NSPopUpButton
Its contentValues are bound to the colorArray controller with
controller key = arranged objects. Model key path is empty
The selectedIndex is also bound to the colorArray controller with
controller key = selectionIndex. Model key path is empty.
So, as I understand things, I've provided the NSArrayController with
the key (colorArrayKey) for an array of strings in NSUserDefaults,
which it should use to populate the NSPopUp button.
When I run the app, the NSPopUp button on the screen contains a single
entry called "No Value".
Any help, or pointers to good tutorials/books on bindings would be appreciated.
Thanks,
David
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