| /* |
| * 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.examples; |
| |
| import com.google.gwt.core.client.EntryPoint; |
| import com.google.gwt.user.client.Window; |
| import com.google.gwt.user.client.ui.RootPanel; |
| import com.google.gwt.user.client.ui.SourcesTabEvents; |
| import com.google.gwt.user.client.ui.TabBar; |
| import com.google.gwt.user.client.ui.TabListener; |
| |
| public class TabBarExample implements EntryPoint { |
| |
| public void onModuleLoad() { |
| // Create a tab bar with three items. |
| TabBar bar = new TabBar(); |
| bar.addTab("foo"); |
| bar.addTab("bar"); |
| bar.addTab("baz"); |
| |
| // Hook up a tab listener to do something when the user selects a tab. |
| bar.addTabListener(new TabListener() { |
| public void onTabSelected(SourcesTabEvents sender, int tabIndex) { |
| // Let the user know what they just did. |
| Window.alert("You clicked tab " + tabIndex); |
| } |
| |
| public boolean onBeforeTabSelected(SourcesTabEvents sender, |
| int tabIndex) { |
| |
| // Just for fun, let's disallow selection of 'bar'. |
| if (tabIndex == 1) |
| return false; |
| return true; |
| } |
| }); |
| |
| // Add it to the root panel. |
| RootPanel.get().add(bar); |
| } |
| } |