iCloud Document Storage with UIDocument - Beginning iOS Cloud and Database Development - page 83

-(void)setLastName:(NSString *)lastName {
if([[self.data lastName] isEqualToString:lastName])
return;
NSString *oldLastName = [self.data lastName];
[self.data setLastName:lastName];
[self.undoManager setActionName:@"Last Name Change"];
[self.undoManager registerUndoWithTarget:self selector:@selector(setLastName:)
object:oldLastName];
}
-(NSString *)displayName {
return [self.data displayName];
}
-(void)setDisplayName:(NSString *)displayName {
if([[self.data displayName] isEqualToString:displayName])
return;
NSString *oldDisplayName = [self.data displayName];
[self.data setDisplayName:displayName];
[self.metadata setDisplayName:displayName];
[self.undoManager setActionName:@"Display Name Change"];
[self.undoManager registerUndoWithTarget:self selector:@selector(setDisplayName:)
object:oldDisplayName];
}
-(NSNumber *)favoriteNumber {
return [self.data favoriteNumber];
}
-(void)setFavoriteNumber:(NSNumber *)favoriteNumber {
if([[self.data favoriteNumber] isEqualToNumber:favoriteNumber])
return;
NSNumber *oldFavoriteNumber = [self.data favoriteNumber];
[self.data setFavoriteNumber:favoriteNumber];
[self.undoManager setActionName:@"Favorite Number Change"];
[self.undoManager registerUndoWithTarget:self selector:@selector(setFavoriteNumber:)
object:oldFavoriteNumber];
}
-(UIImage *)photo {
return [self.data photo];
}