constrain annotation movement

diff --git a/extras/super-annotations.js b/extras/super-annotations.js
index a63d8eb..dbe62d1 100644 (file)
--- a/extras/super-annotations.js
+++ b/extras/super-annotations.js
@@ -146,7 +146,8 @@ annotations.prototype.createAnnotation = function(a) {
       a.isDragging = false;
       self.updateAnnotationDivPositions();
     },
-    'axis': 'y'
+    'axis': 'y',
+    'containment': 'parent'
   });
 
   // TODO(danvk): use 'on' instead of delegate/dblclick