<%@ WebHandler Language="C#" Class="GetFile1"   %>

using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.IO;
using System.Web.SessionState;
using eMIS;


public class GetFile1 : IHttpHandler, IRequiresSessionState
{

    public void ProcessRequest (HttpContext context)
    {

        if (context.Session["userid"] == null)
        {
            context.Response.Write("会话丢失！");
            context.Response.End();
        }

        InstanceManager instrance = new InstanceManager(context);
        string objectId = context.Request.QueryString["oid"].ToString();


        string[] a = objectId.Split(',');
        string selectType = (context.Request.QueryString["st"]==null?"0":context.Request.QueryString["st"].ToString());//1多选,0单选

        string vr = (context.Request.QueryString["cpara"] == null ? "" : context.Request.QueryString["cpara"].ToString());
        vr = DataManager.UrlDecode(vr);
        if (selectType == "1") vr = "objlist:" + objectId;

        string c =  context.Request.QueryString["c"]==null ? "" : context.Request.QueryString["c"].ToString();
        if (c == "")
        {
            c = context.Request.QueryString["cond"] == null ? "" : context.Request.QueryString["cond"].ToString();
            if (c != "")
            {
                c = DataManager.UrlDecode(c);
                //context.Response.Write(c);
                //context.Response.End();
            }
        }


        objectId = (context.Request.QueryString["dftid"]==null ? a[0] : context.Request.QueryString["dftid"].ToString());


        BusinessObjectManager bo = new BusinessObjectManager(instrance, objectId);

        string menuId = bo.MenuID;

        instrance.MenuID = menuId;
        instrance.InitState();

        HttpCookie cookie = new HttpCookie("pk"+menuId);
        cookie.Path = "";
        cookie.Expires = DateTime.Today.AddYears(-1);
        context.Response.Cookies.Set(cookie);


        if (vr != "")
        {
            instrance.SetStateValue("vr", vr);
            c=instrance.Tag.ReplaceExpression(c,"");
        }



        //2015年1月16日注释，解决flownode丢失问题,20日发现有的从表datashow查询不到记录

        instrance.PopedomUserID = instrance.CurrentUserID;
        instrance.SetStateValue("js", "addObjectSelectButtons" + selectType);
        if (c != "")
            c = instrance.Tag.ReplaceExpression(c, "");
        else
        {
            c = instrance.GetMenuCondition();
            c = instrance.Tag.ReplaceExpression(c, "");
        }



        instrance.DefaultCondition = c;

        instrance.SqlOrder = instrance.Program.Properties["MRPX"].ToString();
        string treeJson = instrance.Program.Properties["TREE"].ToString();

        MenuInfo menu = new MenuInfo(instrance.SystemDataManager, menuId);

        instrance.ButtonGroupID = menu.ButtonGroupID;

        Random ra=new Random();

        string url;
        if(treeJson=="")
            url = "Data_Show.ashx?proid=" + menuId + "&bgid="+ menu.ButtonGroupID +"&r=" + ra.Next();
        else
            url = "TreeListFrame.aspx?pid=" + menuId + "&bgid=" + menu.ButtonGroupID + "&tjson=" + DataManager.Encrypt(treeJson) + "&r=" + ra.Next();

        //context.Response.Write(url);

        context.Response.Redirect(url);
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}