001    package org.gwtbootstrap3.client.ui;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 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    
023    import org.gwtbootstrap3.client.ui.constants.Styles;
024    import org.gwtbootstrap3.client.ui.html.OrderedList;
025    
026    import com.google.gwt.user.client.ui.Widget;
027    
028    /**
029     * @author Joshua Godi
030     */
031    public class CarouselIndicators extends OrderedList {
032    
033        public CarouselIndicators() {
034            setStyleName(Styles.CAROUSEL_INDICATORS);
035        }
036    
037        @Override
038        public void add(final Widget child) {
039            if (!(child instanceof CarouselIndicator)) {
040                throw new IllegalArgumentException("Children can only be of type CarouselIndicator");
041            }
042            super.add(child);
043        }
044    }