Created
February 2, 2012 05:28
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TopViewController category for UIViewController
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| // | |
| // UIViewController+TopViewController.h | |
| // | |
| // Created by Fang Andy on 12/2/2. | |
| // Copyright (c) 2012年 Openmouse Studio. All rights reserved. | |
| // | |
| #import <UIKit/UIKit.h> | |
| @interface UIViewController (TopViewController) | |
| - (UIViewController *)topViewController; | |
| - (UIViewController *)traverseTopViewController; | |
| @end |
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| // | |
| // UIViewController+TopViewController.m | |
| // | |
| // Created by Fang Andy on 12/2/2. | |
| // Copyright (c) 2012年 Openmouse Studio. All rights reserved. | |
| // | |
| #import "UIViewController+TopViewController.h" | |
| @implementation UIViewController (TopViewController) | |
| - (UIViewController *)topViewController | |
| { | |
| return [self traverseTopViewController]; | |
| } | |
| - (UIViewController *)traverseTopViewController | |
| { | |
| if (self.presentedViewController) { | |
| return [self.presentedViewController traverseTopViewController]; | |
| } else if (self.navigationController) { | |
| return self.navigationController.visibleViewController; | |
| } else if ([self isMemberOfClass:[UINavigationController class]]) { | |
| return [(UINavigationController *)self visibleViewController]; | |
| } else { | |
| return self; | |
| } | |
| } | |
| @end |
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