vaadin-app: extend VerticalLayout

1 files changed, 20 insertions, 13 deletions

diff --git a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
index 17deb07..9a4ecf0 100644
--- a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
+++ b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
@@ -4,40 +4,47 @@ import java.util.Date;
 
 import com.vaadin.Application;
 import com.vaadin.terminal.UserError;
+import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 
+class MainLayout extends VerticalLayout {
 
-public class HelloWorldApp extends Application {
-
-	private static final long serialVersionUID = 1L;
-
-	@Override
-	public void init() {
-        final Window mainWindow = new Window("Hello World Application");
+    public MainLayout() {
         Label label = new Label("Hello world");
-        mainWindow.addComponent(label);
+        addComponent(label);
         //
-        mainWindow.addComponent( new Button("What is the time?", new Button.ClickListener() {
+        addComponent( new Button("What is the time?", new Button.ClickListener() {
             @Override
             public void buttonClick(ClickEvent event) {
-                mainWindow.showNotification("The time is " + new Date(), "<i>italic</i> <b>bold</b> description",Window.Notification.TYPE_WARNING_MESSAGE);
+                getApplication().getMainWindow().showNotification("The time is " + new Date(), "<i>italic</i> <b>bold</b> description",Window.Notification.TYPE_WARNING_MESSAGE);
                 event.getButton().setComponentError( new UserError("Stop pressing this button !!") );
             }
         }));
         //
         Button closeButton = new Button("close the application");
         closeButton.setDescription("This will close the application");
-        mainWindow.addComponent(closeButton );
+        addComponent(closeButton );
         closeButton.addListener( new Button.ClickListener() {
             @Override
             public void buttonClick(ClickEvent event) {
-                getMainWindow().getApplication().close();
+                getApplication().getMainWindow().getApplication().close();
             }
         });
-        //
+    }
+
+}
+
+public class HelloWorldApp extends Application {
+
+	private static final long serialVersionUID = 1L;
+
+	@Override
+	public void init() {
+        final Window mainWindow = new Window("Hello World Application");
+        mainWindow.setContent( new MainLayout() );
         setMainWindow(mainWindow);
         setLogoutURL("http://asynk.ch");
 	}