Key path for values in "Shared User Defaults"?
Key path for values in "Shared User Defaults"?
- Subject: Key path for values in "Shared User Defaults"?
- From: Matthias Arndt <email@hidden>
- Date: Mon, 23 Mar 2009 20:54:00 +0100
Please help me: What is the key path of a value stored in the shared
user defaults?
I'm using a sub-classed NSViewController to enhance the print panel
with an accessory view:
NSBundle *appBundle = [NSBundle bundleForClass:[self class]];
NSViewController *accessoryViewController = [[PrintOptions alloc]
initWithNibName:@"PrintOptions" bundle:appBundle];
[[printOperation printPanel]
addAccessoryController:accessoryViewController];
The view "PrintOptions" includes three checkboxes, all bind to the
Shared User Defaults Controller. The printed view uses these values to
modify its output. Everything works fine except the preview in the
print panel: It isn't updated when I check / uncheck any of the boxes,
although the view controller conforms to the
"NSPrintPanelAccessorizing" protocol and should use KVO to be notified
for changes.
I think my "keyPathsForValuesAffectingPreview" implementation is wrong
as I don't know how to reference a shared user default:
- (NSSet *)keyPathsForValuesAffectingPreview
{
return [NSSet setWithObjects: @"PrintFastMode", @"PrintJumps",
@"PrintGrid", nil];
}
The documentation I found only mentioned an example with document
margins, but what is the key path for properties bind to the user
defaults? Sorry, I'm totally lost ...
Mattes
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