package com.yhcms.manage.artclass.action;

import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.yhcms.artclass.bean.ArtClass;
import com.yhcms.artclass.dao.ArtClassDaoIm;
import com.yhcms.artclass.itface.ArtClassDao;
import com.yhcms.db.DBConnException;
import com.yhcms.manage.artclass.form.ClassSortForm;
import com.yhcms.utils.ReqUtils;
/**
 * <p>Title:欄目排序Action</p>
 * <li>跳轉到欄目管理畫面并且包括排序提交功能</li>
 * <b>CopyRight: yyhweb[由由華網]</b>
 * @author stephen
 * @version YH-2.0
 */
public class ClassSort extends Action {
	public ActionForward execute(ActionMapping actionmapping,ActionForm form,
			 HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{
	
		Logger yhlog = Logger.getLogger(ClassSort.class.getName());
		ActionMessages errors = new ActionMessages();
		
		ClassSortForm sform = (ClassSortForm)form;
		ArtClassDao classdao = ArtClassDaoIm.getInstance();
		ArtClass curClass = null;
		
		String action = "";
		List classList = null;
		HashMap sortmap = null;
		
		action = ReqUtils.getString(request,"action");
		
		try {
			classList = classdao.getAllParClass();	// 獲得系統欄目列表
			if(action.equals("sort")){
				sortmap = sform.getSortmap();
				for(int i=0;i<classList.size();i++){// 此處按順序獲得系統欄目排序，然后順序更新
					curClass = (ArtClass) classList.get(i);
					classdao.updateClassSort(curClass.getId(),Integer.parseInt(sortmap.get(i).toString()));
				}
				return actionmapping.findForward("SortOk");
			}
			
		} catch (DBConnException e) {
			yhlog.info("When update class's sort,throw an Exception!");		
			errors.add("admin.class.sort.Ecpt",new ActionMessage("admin.class.sort.Ecpt"));
			saveErrors(request,errors);
		}
		request.setAttribute("alllist",classList);
		return actionmapping.findForward("Success");
	}
}