/* * 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.repeater; import org.apache.wicket.core.util.string.CssUtils; import org.apache.wicket.markup.ComponentTag; import org.apache.wicket.model.IModel; /** * Item that sets class="even" or class="odd" attributes based on its index * * @author Igor Vaynberg (ivaynberg) * @param <T> * type of Item's model object * */ public class OddEvenItem<T> extends Item<T> { private static final long serialVersionUID = 1L; public static final String ODD_CSS_CLASS_KEY = CssUtils.key(OddEvenItem.class, "odd"); public static final String EVEN_CSS_CLASS_KEY = CssUtils.key(OddEvenItem.class, "even"); /** * Constructor * * @param id * component id * @param index * item index * @param model * item model */ public OddEvenItem(String id, int index, IModel<T> model) { super(id, index, model); } @Override protected void onComponentTag(ComponentTag tag) { super.onComponentTag(tag); tag.put("class", (getIndex() % 2 == 0) ? getString(EVEN_CSS_CLASS_KEY) : getString(ODD_CSS_CLASS_KEY)); } }