vaadin-app: use Property.ValueChangeListener

1 files changed, 39 insertions, 5 deletions

diff --git a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
index 9a4ecf0..8abd99d 100644
--- a/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
+++ b/vaadin-app/src/ch/asynk/helloworld/HelloWorldApp.java
@@ -4,11 +4,45 @@ import java.util.Date;
 
 import com.vaadin.Application;
 import com.vaadin.terminal.UserError;
+import com.vaadin.data.Property;
+import com.vaadin.data.Property.ValueChangeEvent;
+import com.vaadin.ui.FormLayout;
 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;
+import com.vaadin.ui.TextField;
+
+class DataMappingLayout extends FormLayout {
+
+    public DataMappingLayout() {
+        //
+        final TextField tf1 = new TextField("Property.ValueChangeListener");
+        tf1.setImmediate(true);
+        addComponent(tf1);
+        final Label lb1 = new Label();
+        lb1.setCaption("The Value");
+        addComponent(lb1);
+        tf1.addListener( new Property.ValueChangeListener() {
+            @Override
+            public void valueChange(ValueChangeEvent event) {
+                String value = (String) tf1.getValue();
+                lb1.setValue(value);
+            }
+        });
+        //
+        Button closeButton = new Button("close the application");
+        closeButton.setDescription("This will close the application");
+        addComponent(closeButton );
+        closeButton.addListener( new Button.ClickListener() {
+            @Override
+            public void buttonClick(ClickEvent event) {
+                getApplication().getMainWindow().getApplication().close();
+            }
+        });
+    }
+}
 
 class MainLayout extends VerticalLayout {
 
@@ -24,13 +58,13 @@ class MainLayout extends VerticalLayout {
             }
         }));
         //
-        Button closeButton = new Button("close the application");
-        closeButton.setDescription("This will close the application");
-        addComponent(closeButton );
-        closeButton.addListener( new Button.ClickListener() {
+        Button nextButton = new Button("next layout");
+        nextButton.setDescription("Go to next layout");
+        addComponent(nextButton );
+        nextButton.addListener( new Button.ClickListener() {
             @Override
             public void buttonClick(ClickEvent event) {
-                getApplication().getMainWindow().getApplication().close();
+                getApplication().getMainWindow().setContent( new DataMappingLayout() );
             }
         });
     }