ajaxtabbedpanel.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.tabs;

import java.util.List;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxFallbackLink;
import org.apache.wicket.extensions.markup.html.tabs.TabbedPanel;
import org.apache.wicket.markup.html.WebMarkupContainer;


/**
 * Ajaxified version of the tabbed panel. Uses AjaxFallbackLink instead of regular wicket links so
 * it can update itself inplace.
 * 
 * @author Igor Vaynberg (ivaynberg)
 * 
 */
public class AjaxTabbedPanel extends TabbedPanel
{
	private static final long serialVersionUID = 1L;

	/**
	 * Constructor
	 * 
	 * @param id
	 * @param tabs
	 */
	public AjaxTabbedPanel(String id, List tabs)
	{
		super(id, tabs);
		setOutputMarkupId(true);

		setVersioned(false);
	}

	protected WebMarkupContainer newLink(String linkId, final int index)
	{
		return new AjaxFallbackLink(linkId)
		{

			private static final long serialVersionUID = 1L;

			public void onClick(AjaxRequestTarget target)
			{
				setSelectedTab(index);
				if (target != null)
				{
					target.addComponent(AjaxTabbedPanel.this);
				}
				onAjaxUpdate(target);
			}

		};
	}

	/**
	 * A template method that lets users add additional behavior when ajax update occurs. This
	 * method is called after the current tab has been set so access to it can be obtained via
	 * {@link #getSelectedTab()}.
	 * <p>
	 * <strong>Note</strong> Since an {@link AjaxFallbackLink} is used to back the ajax update the
	 * <code>target</code> argument can be null when the client browser does not support ajax and
	 * the fallback mode is used. See {@link AjaxFallbackLink} for details.
	 * 
	 * @param target
	 *            ajax target used to update this component
	 */
	protected void onAjaxUpdate(AjaxRequestTarget target)
	{
	}

}