/* * 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.Button;import com.google.gwt.user.client.ui.CheckBox;import com.google.gwt.user.client.ui.HorizontalPanel;import com.google.gwt.user.client.ui.RadioButton;import com.google.gwt.user.client.ui.VerticalPanel;/** * Demonstrates the various button widgets. */public class Buttons extends Sink {  public static SinkInfo init() {    return new SinkInfo("Buttons",      "GWT supports all the myriad types of buttons that exist in HTML.  "        + "Here are a few for your viewing pleasure.") {      public Sink createInstance() {        return new Buttons();      }    };  }  private Button disabledButton = new Button("Disabled Button");  private CheckBox disabledCheck = new CheckBox("Disabled Check");  private Button normalButton = new Button("Normal Button");  private CheckBox normalCheck = new CheckBox("Normal Check");  private VerticalPanel panel = new VerticalPanel();  private RadioButton radio0 = new RadioButton("group0", "Choice 0");  private RadioButton radio1 = new RadioButton("group0", "Choice 1");  private RadioButton radio2 = new RadioButton("group0", "Choice 2 (Disabled)");  private RadioButton radio3 = new RadioButton("group0", "Choice 3");  public Buttons() {    HorizontalPanel hp;    panel.add(hp = new HorizontalPanel());    hp.setSpacing(8);    hp.add(normalButton);    hp.add(disabledButton);    panel.add(hp = new HorizontalPanel());    hp.setSpacing(8);    hp.add(normalCheck);    hp.add(disabledCheck);    panel.add(hp = new HorizontalPanel());    hp.setSpacing(8);    hp.add(radio0);    hp.add(radio1);    hp.add(radio2);    hp.add(radio3);    disabledButton.setEnabled(false);    disabledCheck.setEnabled(false);    radio2.setEnabled(false);    panel.setSpacing(8);    initWidget(panel);  }  public void onShow() {  }}