typedrest-vaadin: ViewComponent: Expose asWindow() instead of containingWindow as protected

Author: bastianeicher

vaadin/src/main/java/com/oneandone/typedrest/vaadin/views/ViewComponent.java

@@ -58,14 +58,14 @@ protected void open(ViewComponent component) {
         getUI().addWindow(component.asWindow());
     }
 
-    protected Window containingWindow;
+    private Window containingWindow;
 
     /**
      * Wraps the control in a {@link Window}.
      *
      * @return The newly created window.
      */
-    private Window asWindow() {
+    protected Window asWindow() {
         if (containingWindow == null) {
             containingWindow = new Window(getCaption(), this);
             containingWindow.setWidth(80, Unit.PERCENTAGE);