/* * Copyright 2006 Google Inc. *  * 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.google.gwt.sample.kitchensink.client;import com.google.gwt.user.client.ui.Image;import com.google.gwt.user.client.ui.TabPanel;import com.google.gwt.user.client.ui.VerticalPanel;import com.google.gwt.user.client.ui.Widget;/** * Demonstrates {"@link com.google.gwt.user.client.ui.TabPanel}. */public class Tabs extends Sink {  public static SinkInfo init() {    return new SinkInfo("Tabs",      "GWT's built-in <code>TabPanel</code> class makes it easy to build tabbed dialogs "        + "and the like.  Notice that no page load occurs when you select the "        + "different tabs in this page.  That's the magic of dynamic HTML.") {      public Sink createInstance() {        return new Tabs();      }    };  }  private TabPanel tabs = new TabPanel();  public Tabs() {    tabs.add(createImage("rembrandt/JohannesElison.jpg"), "1634");    tabs.add(createImage("rembrandt/SelfPortrait1640.jpg"), "1640");    tabs.add(createImage("rembrandt/LaMarcheNocturne.jpg"), "1642");    tabs.add(createImage("rembrandt/TheReturnOfTheProdigalSon.jpg"), "1662");    tabs.selectTab(0);    tabs.setWidth("100%");    tabs.setHeight("100%");    initWidget(tabs);  }  public void onShow() {  }  private Widget createImage(String imageUrl) {    Image image = new Image(imageUrl);    image.setStyleName("ks-images-Image");    VerticalPanel p = new VerticalPanel();    p.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);    p.setVerticalAlignment(VerticalPanel.ALIGN_MIDDLE);    p.add(image);    return p;  }}