 extension UIViewController {
     var evo_drawerController: DrawerController? {
         var parentViewController = self.parentViewController
-            
-            while parentViewController != nil {
-                if parentViewController!.isKindOfClass(DrawerController) {
-                    return parentViewController as? DrawerController
-                }
-                
-                parentViewController = parentViewController!.parentViewController
-            }
-            
-            return nil
+        
+        while parentViewController != nil {
+            if parentViewController!.isKindOfClass(DrawerController) {
+                return parentViewController as? DrawerController
+            }
+            
+            parentViewController = parentViewController!.parentViewController
+        }
+        
+        return nil
     }
     
     var evo_visibleDrawerFrame: CGRect {

                }, completion: { (finished) -> Void in
                    sideDrawerViewController?.endAppearanceTransition()
                    self.openSide = .None
                    self.resetDrawerVisualStateForDrawerSide(visibleSide)
                    self.animatingDrawer = false
                    completion?(finished)

            if navBar != nil {
                let navBarFrame = navBar!.convertRect(navBar!.bounds, toView: self)
                if (self.centerInteractionMode == .NavigationBarOnly && CGRectContainsPoint(navBarFrame, point) == false) || (self.centerInteractionMode == .None) {
                    hitView = nil
                }
            }
        }
