Roo/bootstrap/menu/Menu.js

diff --git a/Roo/bootstrap/menu/Menu.js b/Roo/bootstrap/menu/Menu.js
index 8faba35..3e44b6d 100644 (file)
--- a/Roo/bootstrap/menu/Menu.js
+++ b/Roo/bootstrap/menu/Menu.js
@@ -171,6 +171,10 @@ Roo.extend(Roo.bootstrap.menu.Menu, Roo.bootstrap.Component,  {
     
     show : function()
     {
+        if(this.fireEvent("beforeshow", this) === false){
+            return;
+        };
+        
         this.hidden = false;
         this.el.addClass('open');