Repaint when contents changes (#8735)

diff --git a/src/com/vaadin/ui/Panel.java b/src/com/vaadin/ui/Panel.java
index b2916f78c723ac527af353568cd75b2edcf00ae9..a0fd84bbef963f49dfdeef5e12c3424495971b52 100644 (file)
--- a/src/com/vaadin/ui/Panel.java
+++ b/src/com/vaadin/ui/Panel.java
@@ -164,6 +164,7 @@ public class Panel extends AbstractComponentContainer implements Scrollable,
                 .addListener((ComponentContainer.ComponentDetachListener) this);
 
         content = newContent;
+        requestRepaint();
     }
 
     /**