ajaxfallbackdefaultdatatable.java

Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容易而轻松。 Wicket利用一个POJO data beans组件使得它可以与任何持久层技术相结合。

/*
 * 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.extensions.ajax.markup.html.repeater.data.table;

import java.util.List;

import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.ISortableDataProvider;
import org.apache.wicket.extensions.markup.html.repeater.data.table.NavigationToolbar;
import org.apache.wicket.extensions.markup.html.repeater.data.table.NoRecordsToolbar;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.OddEvenItem;
import org.apache.wicket.model.IModel;


/**
 * An implementation of the DataTable that aims to solve the 90% usecase by adding navigation,
 * headers, an no-records-found toolbars to a standard {@link DataTable}.
 * <p>
 * The {@link NavigationToolbar} and the {@link HeadersToolbar} are added as top toolbars, while the
 * {@link NoRecordsToolbar} toolbar is added as a bottom toolbar.
 * 
 * @see DataTable
 * @see HeadersToolbar
 * @see NavigationToolbar
 * @see NoRecordsToolbar
 * 
 * @author Igor Vaynberg ( ivaynberg )
 */
public class AjaxFallbackDefaultDataTable extends DataTable
{
	private static final long serialVersionUID = 1L;

	/**
	 * Constructor
	 * 
	 * @param id
	 *            component id
	 * @param columns
	 *            list of columns
	 * @param dataProvider
	 *            data provider
	 * @param rowsPerPage
	 *            number of rows per page
	 */
	public AjaxFallbackDefaultDataTable(String id, final List/* <IColumn> */columns,
			ISortableDataProvider dataProvider, int rowsPerPage)
	{
		this(id, (IColumn[])columns.toArray(new IColumn[columns.size()]), dataProvider, rowsPerPage);
	}

	/**
	 * Constructor
	 * 
	 * @param id
	 *            component id
	 * @param columns
	 *            array of columns
	 * @param dataProvider
	 *            data provider
	 * @param rowsPerPage
	 *            number of rows per page
	 */
	public AjaxFallbackDefaultDataTable(String id, final IColumn[] columns,
			ISortableDataProvider dataProvider, int rowsPerPage)
	{
		super(id, columns, dataProvider, rowsPerPage);
		setOutputMarkupId(true);
		setVersioned(false);
		addTopToolbar(new AjaxNavigationToolbar(this));
		addTopToolbar(new AjaxFallbackHeadersToolbar(this, dataProvider));
		addBottomToolbar(new NoRecordsToolbar(this));
	}

	protected Item newRowItem(String id, int index, IModel model)
	{
		return new OddEvenItem(id, index, model);
	}

}