orderbyborder.java

来自「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」· Java 代码 · 共 94 行

/*
 * 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.markup.html.repeater.data.sort;

import org.apache.wicket.markup.html.border.Border;

/**
 * A component that wraps markup with an OrderByLink. This has the advantage of being able to add
 * the attribute modifier to the wrapping element as opposed to the link, so that it can be attached
 * to <th> or any other element.
 * 
 * For example:
 * 
 * <th wicket:id="order-by-border">Heading</th>
 * 
 * 
 * @author Igor Vaynberg ( ivaynberg )
 * 
 */
public class OrderByBorder extends Border
{
	private static final long serialVersionUID = 1L;

	/**
	 * @param id
	 *            see
	 *            {@link OrderByLink#OrderByLink(String, String, ISortStateLocator, OrderByLink.ICssProvider) }
	 * @param property
	 *            see
	 *            {@link OrderByLink#OrderByLink(String, String, ISortStateLocator, OrderByLink.ICssProvider) }
	 * @param stateLocator
	 *            see
	 *            {@link OrderByLink#OrderByLink(String, String, ISortStateLocator, OrderByLink.ICssProvider) }
	 * @param cssProvider
	 *            see
	 *            {@link OrderByLink#OrderByLink(String, String, ISortStateLocator, OrderByLink.ICssProvider) }
	 */
	public OrderByBorder(String id, String property, ISortStateLocator stateLocator,
			OrderByLink.ICssProvider cssProvider)
	{
		super(id);
		OrderByLink link = new OrderByLink("orderByLink", property, stateLocator,
				OrderByLink.VoidCssProvider.getInstance())
		{

			private static final long serialVersionUID = 1L;

			protected void onSortChanged()
			{
				OrderByBorder.this.onSortChanged();
			}
		};
		add(link);
		add(new OrderByLink.CssModifier(link, cssProvider));
		link.add(getBodyContainer());
	}

	/**
	 * This method is a hook for subclasses to perform an action after sort has changed
	 */
	protected void onSortChanged()
	{
		// noop
	}

	/**
	 * @param id
	 *            see {@link OrderByLink#OrderByLink(String, String, ISortStateLocator)}
	 * @param property
	 *            see {@link OrderByLink#OrderByLink(String, String, ISortStateLocator)}
	 * @param stateLocator
	 *            see {@link OrderByLink#OrderByLink(String, String, ISortStateLocator)}
	 */
	public OrderByBorder(String id, String property, ISortStateLocator stateLocator)
	{
		this(id, property, stateLocator, OrderByLink.DefaultCssProvider.getInstance());
	}

}