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    import com.google.gwt.user.client.ui.WidgetCollection;
028    
029    /**
030     * @author Joshua Godi
031     */
032    public class Breadcrumbs extends OrderedList {
033        private final WidgetCollection children = new WidgetCollection(this);
034    
035        public Breadcrumbs() {
036            setStyleName(Styles.BREADCRUMB);
037        }
038    
039        public Breadcrumbs(final Widget... widgets) {
040            this();
041    
042            for (final Widget widget : widgets) {
043                add(widget);
044            }
045        }
046    
047        @Override
048        protected void onAttach() {
049            if (!isOrWasAttached() && children.size() > 0) {
050                final Widget lastWidget = children.get(children.size() - 1);
051                lastWidget.addStyleName(Styles.ACTIVE);
052            }
053    
054            super.onAttach();
055        }
056    
057        /**
058         * {@inheritDoc}
059         */
060        @Override
061        public void add(final Widget w) {
062            w.addStyleName(Styles.ACTIVE);
063            super.add(w);
064            children.add(w);
065        }
066    }