UINavigationController

#import <UIKit/UIKit.h>

@interface CJProperRotationNavigationController : UINavigationController

@end

#import "CJProperRotationNavigationController.h"

@implementation CJProperRotationNavigationController

- (BOOL)shouldAutorotate {
if (self.topViewController != nil)
return [self.topViewController shouldAutorotate];
else
return [super shouldAutorotate];
}

- (NSUInteger)supportedInterfaceOrientations {
if (self.topViewController != nil)
return [self.topViewController supportedInterfaceOrientations];
else
return [super supportedInterfaceOrientations];
}

- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
if (self.topViewController != nil)
return [self.topViewController preferredInterfaceOrientationForPresentation];
else
return [super preferredInterfaceOrientationForPresentation];
}

@end