Hi,
I'm having difficulties binding (in IB) my application's preferences
to NSUserDefaults. It's easy to bind simple values, but not so when
using composite objects in an array where each element is an object
archived as NSData with NSKeyedArchiver. Further more, when the object
has another object for one of its member... At first, I was reading
the user defaults myself and populating an array by decoding each
object. The NSArrayController was using this array for its content and
all worked great. Now, I want to get rid of this intermediate array
and bind directly to the user default dictionary. So I removed all
binding to the old array and this is where I'm stuck...
In the binding tab in IB, I bind the NSArrayController's controller
content to "Shared User Default Controller", used "values" for
controller key, "users" (which is the key in the user defaults
dictionary) for model key path and NSKeyedUnarchiveFromData for value
transformer. This is obviously not the way to go cause I'm getting the
following error:
*** -[NSCFArray bytes]: unrecognized selector sent to instance
0x15e03900
Here's the code called from the application controller to set up the
defaults:
+ (void) initialize
{
NSMutableDictionary *defaultValues = [NSMutableDictionary dictionary];
GHLoginInfos *loginInfo = [[[GHLoginInfos alloc] init] autorelease];
NSImage *img = [NSImage imageNamed:NSImageNameUser];
NSString *name = NSFullUserName();
GHUser *user = [[GHUser alloc] initWithUserName:name userImage:img
loginInfos:loginInfo];
NSData *userAsData = [NSKeyedArchiver archivedDataWithRootObject:user];
NSMutableArray *users = [NSMutableArray arrayWithObject:userAsData];
[defaultValues setObject:users forKey:@"users"];
[[NSUserDefaults standardUserDefaults]
registerDefaults:defaultValues];
}
GHUser members are:
NSString *userName;
NSImage *userImage;
GHLoginInfos *loginInfos;
and GHLoginInfos members:
NSString* loginName;
NSString* password;
NSString* host;
NSString* dbName;
NSString* port;
The view contains an NSTableView and NSTextFields displaying the
currently selected row content but at this point I'm only trying
(without any success) to fill up the table view.
Any help, pointer to tutorial etc appreciated.
Thanks,
Andre Masse
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