Showcase: fix checkstyle errors and suppress deprecation warnings

Review at http://gwt-code-reviews.appspot.com/747801

Review by: jlabanca@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@8507 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
index e0336fa..4555b93 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/Application.java
@@ -228,6 +228,7 @@
     onWindowResized(event.getWidth(), event.getHeight());
   }
 
+  @SuppressWarnings("unused")
   public void onWindowResized(int width, int height) {
     if (width == windowWidth || width < 1) {
       return;
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/ContentWidget.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/ContentWidget.java
index 7008bbb..2b201a2 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/ContentWidget.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/ContentWidget.java
@@ -578,6 +578,7 @@
    * @param target the target Widget to place the contents
    * @param callback the callback when the call completes
    */
+  @SuppressWarnings("deprecation")
   private void requestSourceContents(
       String url, final HTML target, final RequestCallback callback) {
     // Show the loading image
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwMenuBar.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwMenuBar.java
index fa49db1..32f933e 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwMenuBar.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwMenuBar.java
@@ -32,7 +32,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-MenuBar", ".gwt-MenuBarPopup", "html>body .gwt-MenuBarPopup",
     "* html .gwt-MenuBarPopup"})
 public class CwMenuBar extends ContentWidget {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwStackPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwStackPanel.java
index cc1defe..00939a1 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwStackPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwStackPanel.java
@@ -42,7 +42,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-DecoratedStackPanel", "html>body .gwt-DecoratedStackPanel",
     "* html .gwt-DecoratedStackPanel", ".cw-StackPanelHeader"})
 public class CwStackPanel extends ContentWidget {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwSuggestBox.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwSuggestBox.java
index 56b86d5..3698657 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwSuggestBox.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwSuggestBox.java
@@ -32,7 +32,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-SuggestBox", ".gwt-SuggestBoxPopup",
     "html>body .gwt-SuggestBoxPopup", "* html .gwt-SuggestBoxPopup"})
 public class CwSuggestBox extends ContentWidget {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDecoratorPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDecoratorPanel.java
index 34534d9..68008d8 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDecoratorPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDecoratorPanel.java
@@ -33,7 +33,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-DecoratorPanel", "html>body .gwt-DecoratorPanel",
     "* html .gwt-DecoratorPanel"})
 public class CwDecoratorPanel extends ContentWidget {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDockPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDockPanel.java
index b033490..5ef79f4 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDockPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwDockPanel.java
@@ -31,6 +31,7 @@
 /**
  * Example file.
  */
+@SuppressWarnings("deprecation")
 @ShowcaseStyle(".cw-DockPanel")
 public class CwDockPanel extends ContentWidget {
   /**
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwHorizontalSplitPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwHorizontalSplitPanel.java
index 5c5b6a8..61847fe 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwHorizontalSplitPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwHorizontalSplitPanel.java
@@ -31,6 +31,7 @@
 /**
  * Example file.
  */
+@SuppressWarnings("deprecation")
 @ShowcaseStyle(".gwt-HorizontalSplitPanel")
 public class CwHorizontalSplitPanel extends ContentWidget {
   /**
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwTabPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwTabPanel.java
index a6a0bf6..9127159 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwTabPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwTabPanel.java
@@ -33,7 +33,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-DecoratedTabBar", "html>body .gwt-DecoratedTabBar",
     "* html .gwt-DecoratedTabBar", ".gwt-TabPanel"})
 public class CwTabPanel extends ContentWidget {
@@ -83,6 +83,7 @@
   /**
    * Initialize this example.
    */
+  @SuppressWarnings("deprecation")
   @ShowcaseSource
   @Override
   public Widget onInitialize() {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwVerticalSplitPanel.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwVerticalSplitPanel.java
index 4febaf5..b39055b 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwVerticalSplitPanel.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/panels/CwVerticalSplitPanel.java
@@ -31,6 +31,7 @@
 /**
  * Example file.
  */
+@SuppressWarnings("deprecation")
 @ShowcaseStyle(".gwt-VerticalSplitPanel")
 public class CwVerticalSplitPanel extends ContentWidget {
   /**
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/popups/CwBasicPopup.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/popups/CwBasicPopup.java
index 8966a5e..49f5508 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/popups/CwBasicPopup.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/popups/CwBasicPopup.java
@@ -37,7 +37,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-PopupPanel", "html>body .gwt-PopupPanel", "* html .gwt-PopupPanel",
     ".gwt-DecoratedPopupPanel", "html>body .gwt-DecoratedPopupPanel",
     "* html .gwt-DecoratedPopupPanel"})
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/CwRichText.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/CwRichText.java
index 1231df4..98b2abe 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/CwRichText.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/CwRichText.java
@@ -30,7 +30,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-RichTextArea", ".hasRichTextToolbar", ".gwt-RichTextToolbar",
     ".cw-RichText"})
 public class CwRichText extends ContentWidget {
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/RichTextToolbar.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/RichTextToolbar.java
index da6bfc9..d89dec8 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/RichTextToolbar.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/text/RichTextToolbar.java
@@ -41,6 +41,7 @@
  * for all rich text formatting, dynamically displayed only for the available
  * functionality.
  */
+@SuppressWarnings("deprecation")
 public class RichTextToolbar extends Composite {
 
   /**
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwCustomButton.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwCustomButton.java
index 150962e..e46012d 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwCustomButton.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwCustomButton.java
@@ -35,7 +35,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {".gwt-PushButton", ".gwt-ToggleButton"})
+@ShowcaseStyle({".gwt-PushButton", ".gwt-ToggleButton"})
 public class CwCustomButton extends ContentWidget {
   /**
    * The constants used in this Content Widget.
diff --git a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwDatePicker.java b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwDatePicker.java
index 03a8208..414e753 100644
--- a/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwDatePicker.java
+++ b/samples/showcase/src/com/google/gwt/sample/showcase/client/content/widgets/CwDatePicker.java
@@ -38,7 +38,7 @@
 /**
  * Example file.
  */
-@ShowcaseStyle( {
+@ShowcaseStyle({
     ".gwt-DatePicker", ".datePicker", "td.datePickerMonth", ".gwt-DateBox",
     ".dateBox"})
 public class CwDatePicker extends ContentWidget {
@@ -87,6 +87,7 @@
   /**
    * Initialize this example.
    */
+  @SuppressWarnings("deprecation")
   @ShowcaseSource
   @Override
   public Widget onInitialize() {