/**
 *  Copyright 2008 biaoping.yin
 *
 *  Licensed 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 com.frameworkset.platform.cms.driver.callback;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.tagext.Tag;

import com.frameworkset.common.tag.pager.DataInfo;


/**
 * <p>CMSCallBack.java</p>
 * <p> Description: </p>
 * <p> bboss workgroup </p>
 * <p> Copyright (c) 2005-2013 </p>
 * 
 * @Date 2013年10月26日
 * @author biaoping.yin
 * @version 1.0
 */
public interface CMSCallBack {
	/**
	 * 内容管理：初始化上下文中分页的最大记录数，并返回分页起点位置（是String类型的offset）
	 * @param maxPateItems
	 * @return
	 */
	String initContext(int maxPateItems);
	
	/**
	 * 内容管理：初始化初始化上下文中分页起点位置，当页页编号，总记录数
	 * @param offset
	 * @param newPageCount
	 * @param totalsize
	 */
	void initContextData(long offset,int newPageCount,long totalsize);

	DataInfo getCMSDataInfo(Tag tag,HttpServletRequest request,String sortKey, boolean desc, long offset,
			int maxPageItems, boolean listMode);

	Object getCMSCellData();
	
}