001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.markup.html.list;
018
019import org.apache.wicket.model.IModel;
020
021/**
022 * Model for list items.
023 * 
024 * @see ListView
025 * @param <T>
026 *            Model object type
027 */
028public class ListItemModel<T> implements IModel<T>
029{
030        private static final long serialVersionUID = 1L;
031
032        /** The ListView itself */
033        private final ListView<T> listView;
034
035        /** The list item's index */
036        private final int index;
037
038        /**
039         * Construct
040         * 
041         * @param listView
042         *            The ListView
043         * @param index
044         *            The index of this model
045         */
046        public ListItemModel(final ListView<T> listView, final int index)
047        {
048                this.listView = listView;
049                this.index = index;
050        }
051
052        @Override
053        public T getObject()
054        {
055                return listView.getModelObject().get(index);
056        }
057
058        @Override
059        public void setObject(T object)
060        {
061                listView.getModelObject().set(index, object);
062        }
063}