001package org.gwtbootstrap3.client.ui;
002
003/*
004 * #%L
005 * GwtBootstrap3
006 * %%
007 * Copyright (C) 2013 - 2014 GwtBootstrap3
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 * 
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import org.gwtbootstrap3.client.ui.constants.Styles;
024import org.gwtbootstrap3.client.ui.html.Div;
025
026import com.google.gwt.user.client.ui.Widget;
027
028/**
029 * Container widget for the tab content
030 * <p/>
031 * <a href="http://getbootstrap.com/javascript/#tabs">Bootstrap Documentation</a>
032 * <p/>
033 * <h3>UiBinder example</h3>
034 * <p/>
035 * <pre>
036 * {@code
037 * <b:TabContent>
038 *    <b:TabPane/>
039 *    <b:TabPane/>
040 * </b:TabContent>
041 * }
042 * </pre>
043 *
044 * @author Joshua Godi
045 * @see org.gwtbootstrap3.client.ui.TabPane
046 */
047public class TabContent extends Div {
048
049    /**
050     * Creates the default widget with the default styles
051     */
052    public TabContent() {
053        setStyleName(Styles.TAB_CONTENT);
054    }
055
056    /**
057     * We override the add to make sure only children of type TabPane can be added!
058     *
059     * @param child widget to be added
060     * @see org.gwtbootstrap3.client.ui.TabPane
061     */
062    @Override
063    public void add(final Widget child) {
064        if (!(child instanceof TabPane)) {
065            throw new IllegalArgumentException("TabContent must have children of type TabPane.");
066        }
067        super.add(child);
068    }
069}