/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.wicket.markup.html.list;
import org.apache.wicket.core.util.string.CssUtils;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.model.IModel;
/**
* ListItem that adds <code>class="odd"</code> or <code>class="even"</code> html attribute depending
* on its index. Useful for creating zebra styling for html tables.
*
* @author ivaynberg
* @param <T>
*/
public class OddEvenListItem<T> extends ListItem<T>
{
private static final long serialVersionUID = 1L;
public static final String ODD_CSS_CLASS_KEY = CssUtils.key(OddEvenListItem.class, "odd");
public static final String EVEN_CSS_CLASS_KEY = CssUtils.key(OddEvenListItem.class, "even");
/**
* Constructor
*
* @param index
* list item's index
* @param model
* list item's model
*/
public OddEvenListItem(int index, IModel<T> model)
{
super(index, model);
}
/** {@inheritDoc} */
@Override
protected void onComponentTag(ComponentTag tag)
{
super.onComponentTag(tag);
tag.append("class", (getIndex() % 2 == 0) ? getString(EVEN_CSS_CLASS_KEY) : getString(ODD_CSS_CLASS_KEY), " ");
}
}