vaadin-app: update DataMappingLayout

1 files changed, 35 insertions, 10 deletions

diff --git a/vaadin-app/src/ch/asynk/helloworld/DataMappingLayout.java b/vaadin-app/src/ch/asynk/helloworld/DataMappingLayout.java
index 70d3b0e..42801d8 100644
--- a/vaadin-app/src/ch/asynk/helloworld/DataMappingLayout.java
+++ b/vaadin-app/src/ch/asynk/helloworld/DataMappingLayout.java
@@ -6,13 +6,17 @@ import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.data.Validator;
 import com.vaadin.data.validator.DoubleValidator;
+import com.vaadin.ui.Alignment;
+import com.vaadin.ui.AbstractComponent;
+import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.FormLayout;
+import com.vaadin.ui.Panel;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.TextField;
 
-public class DataMappingLayout extends FormLayout {
+public class DataMappingLayout extends VerticalLayout {
     //
     private static final long serialVersionUID = 1L;
     //
@@ -21,13 +25,27 @@ public class DataMappingLayout extends FormLayout {
     public DataMappingLayout(Context context) {
         ctx = context;
         //
+        final AbstractComponent pa = buildPanel();
+        pa.setWidth(600,UNITS_PIXELS);
+        pa.setHeight(400,UNITS_PIXELS);
+        addComponent(pa);
+        setComponentAlignment(pa, Alignment.MIDDLE_CENTER);
+        //
+    }
+    //
+    private AbstractComponent buildPanel() {
+        Panel panel = new Panel("Data Mapping Layout");
+        FormLayout layout = new FormLayout();
+        panel.setContent(layout);
+        //
         final TextField tf1 = new TextField("Property.ValueChangeListener");
         tf1.setImmediate(true);
-        addComponent(tf1);
+        layout.addComponent(tf1);
         final Label lb1 = new Label();
         lb1.setCaption("The Value");
-        addComponent(lb1);
+        layout.addComponent(lb1);
         tf1.addListener( new Property.ValueChangeListener() {
+            private static final long serialVersionUID = 1L;
             @Override
             public void valueChange(ValueChangeEvent event) {
                 String value = (String) tf1.getValue();
@@ -41,17 +59,18 @@ public class DataMappingLayout extends FormLayout {
         tf2.setImmediate(true);
         tf2.addValidator( new DoubleValidator("It should be a double") );
         //tf2.setValidationVisible(false);    // nothing will happen
-        addComponent(tf2);
+        layout.addComponent(tf2);
         final Label lb2 = new Label(property);
         lb2.setCaption("The Value");
-        addComponent(lb2);
+        layout.addComponent(lb2);
         //
         final TextField tf3 = new TextField("No spaces");
-        addComponent(tf3);
+        layout.addComponent(tf3);
         tf3.setComponentError(null); // (actually the default)
         final Button b1 = new Button("Ok!");
-        addComponent(b1);
+        layout.addComponent(b1);
         b1.addListener(new Button.ClickListener() {
+            private static final long serialVersionUID = 1L;
             @Override
             public void buttonClick(ClickEvent event) {
                 if (! ((String) tf3.getValue()).matches("^\\w*$")) {
@@ -64,6 +83,7 @@ public class DataMappingLayout extends FormLayout {
         //
         // final Validator intValidator = new Validator() { ... }
         class MyIntValidator implements Validator {
+            private static final long serialVersionUID = 1L;
             public boolean isValid(Object value) {
                 if (value == null || !(value instanceof String)) {
                     return false;
@@ -83,9 +103,10 @@ public class DataMappingLayout extends FormLayout {
         final TextField tf5 = new TextField("MyIntValidator");
         tf5.addValidator(new MyIntValidator());
         tf5.setImmediate(true);
-        addComponent(tf5);
+        layout.addComponent(tf5);
         //
         class IntegerObjectProperty implements Property {
+            private static final long serialVersionUID = 1L;
             Integer data = 0;
             boolean readOnly = false;
             public Class<?> getType() {
@@ -124,22 +145,26 @@ public class DataMappingLayout extends FormLayout {
         final TextField tf4 = new TextField("MyObjectProperty",intProperty);
         tf4.setImmediate(true);
         tf4.setErrorHandler(new ComponentErrorHandler() {
+            private static final long serialVersionUID = 1L;
             @Override
             public boolean handleComponentError(ComponentErrorEvent event) {
                 tf4.setComponentError(new UserError("Must be an integer (from handler)"));
                 return true;
             }
         });
-        addComponent(tf4);
+        layout.addComponent(tf4);
         //
         Button nextButton = new Button("next layout");
         nextButton.setDescription("Go to next layout");
-        addComponent(nextButton );
+        layout.addComponent(nextButton );
         nextButton.addListener( new Button.ClickListener() {
+            private static final long serialVersionUID = 1L;
             @Override
             public void buttonClick(ClickEvent event) {
                 getApplication().getMainWindow().setContent( new LayoutLayout(ctx) );
             }
         });
+        //
+        return panel;
     }
 }