Implement example settings screen

Change-Id: Ia95af4bd3e11f46d4fdf16ba260d97a9627a7392
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
index 36fe6a7..4a83b64 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookPlugin.java
@@ -26,6 +26,8 @@
   @Override
   public void onPluginLoad() {
     Plugin.get().screen("", new IndexScreen.Factory());
+    Plugin.get().settingsScreen("preferences", "Food Preferences",
+        new FoodPreferencesScreen.Factory());
     Plugin.get().panel(GerritUiExtensionPoint.PROFILE_SCREEN_BOTTOM,
         new CookBookProfileExtension.Factory());
     Plugin.get().panel(

src/main/java/com/googlesource/gerrit/plugins/cookbook/client/FoodPreferencesScreen.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/FoodPreferencesScreen.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/FoodPreferencesScreen.java
new file mode 100644
index 0000000..6ba46fd
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/FoodPreferencesScreen.java
@@ -0,0 +1,67 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.cookbook.client;
+
+import com.google.gerrit.plugin.client.screen.Screen;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.dom.client.KeyPressEvent;
+import com.google.gwt.event.dom.client.KeyPressHandler;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.Panel;
+import com.google.gwt.user.client.ui.TextArea;
+import com.google.gwt.user.client.ui.VerticalPanel;
+
+class FoodPreferencesScreen extends VerticalPanel {
+  static class Factory implements Screen.EntryPoint {
+    @Override
+    public void onLoad(Screen screen) {
+      screen.setPageTitle("Settings");
+      screen.show(new FoodPreferencesScreen());
+    }
+  }
+
+  FoodPreferencesScreen() {
+    setStyleName("cookbook-panel");
+
+    Panel messagePanel = new VerticalPanel();
+    messagePanel.add(new Label("Food Allergies or Dietary Concerns:"));
+    TextArea txt = new TextArea();
+    txt.addKeyPressHandler(new KeyPressHandler() {
+      @Override
+      public void onKeyPress(final KeyPressEvent event) {
+        event.stopPropagation();
+      }
+    });
+    txt.setVisibleLines(12);
+    txt.setCharacterWidth(80);
+    txt.getElement().setPropertyBoolean("spellcheck", false);
+    messagePanel.add(txt);
+    add(messagePanel);
+
+    Button helloButton = new Button("Save");
+    helloButton.addStyleName("cookbook-helloButton");
+    helloButton.addClickHandler(new ClickHandler() {
+      @Override
+      public void onClick(final ClickEvent event) {
+        Window.alert("TODO: implement save");
+      }
+    });
+    add(helloButton);
+    helloButton.setEnabled(true);
+  }
+}