add method that search for a superview of a particular class

progrmr · Jan 19, 2014 · ad0fcef · ad0fcef
1 parent 64efb6e
commit ad0fcef
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/Utils/UtilitiesUI.h b/Utils/UtilitiesUI.h
@@ -137,6 +137,11 @@ void setNavController(UINavigationController* newNavController);
 //-----------------------------------------------------------------------------
 void tellParentToDismissModalVC(UIViewController* viewController);
 
+//-----------------------------------------------------------------------------
+// findSuperviewOfClass
+//-----------------------------------------------------------------------------
+UIView* superviewOfClass(Class target, UIView* fromView);
+
 #ifdef DEBUG
 //-----------------------------------------------------------------------------
 // dumpWindows - prints the windows and their subview hierarchy in console log

diff --git a/Utils/UtilitiesUI.m b/Utils/UtilitiesUI.m
@@ -440,7 +440,20 @@ void tellParentToDismissModalVC(UIViewController* viewController)
     }
 }
 
-
+//-----------------------------------------------------------------------------
+// findSuperviewOfClass
+//-----------------------------------------------------------------------------
+UIView* superviewOfClass(Class target, UIView* fromView)
+{
+    UIView* curView = fromView.superview;
+    while (curView != nil && curView != fromView.window) {
+        if ([curView isKindOfClass:target]) {
+            return curView;
+        }
+        curView = curView.superview;
+    }
+    return nil;
+}