From ceb7dbb7837778212330906d905d7350e7ea1a7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Sun, 25 Sep 2011 12:59:29 +0200
Subject: use UserError

---
 vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
index 455cbfb..5c35f6c 100644
--- a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
+++ b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
@@ -3,6 +3,7 @@ package ch.asynk.helloworld;
 import java.util.Date;
 
 import com.vaadin.Application;
+import com.vaadin.terminal.UserError;
 import com.vaadin.ui.Window;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Button;
@@ -23,6 +24,7 @@ public class HelloWorldApp extends Application {
             @Override
             public void buttonClick(ClickEvent event) {
                 mainWindow.showNotification("The time is " + new Date());
+                event.getButton().setComponentError( new UserError("Stop pressing this button !!") );
             }
         }));
         //
-- 
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