using System;
using System.Data;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using SuperMap.RealEstate.Web.UI;
using Business = SuperMap.RealEstate.Contract.Storage.Business;

namespace SuperMap.RealEstate.Contract.Modules.ContractProinst
{
    public partial class ATTACHMENT1 : UserControl<Business.ATTACHMENT>
    {
        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (IsPostBack) return;
            //绑定对应的控件
            BindRepick();
        }

        //载入数据
        public override bool LoadData()
        {
            PROINST_ID.Text = Request["CONTRACTPROINST_ID"].ToDecrypt();
            //默认返回值，工作流组件返回True,功能模块返回False。
            return (WorkFlowPage != null);
        }

        private void BindRepick()
        {
            //绑定对应的控件
            Repeater1.DataSource = new Business.ATTACHMENT(Transaction).FillDataTable(
                "WHERE TABLE_NAME = 'T_CONTRACTPROINST' AND TABLE_ID = " + PROINST_ID.Text);
            Repeater1.DataBind();
        }

        protected void LinkButton_Click(object sender, EventArgs e)
        {
            LinkButton LinkButton = sender as LinkButton;
            //下载内容
            Business.ATTACHMENT _ATTACHMENT = new Business.ATTACHMENT(Transaction);
            _ATTACHMENT.ATTACHMENT_ID_Encrypt = LinkButton.Attributes["base-code"];
            if (_ATTACHMENT.Select())
            {
                string uploadPath = HttpContext.Current.Server.MapPath("~" + _ATTACHMENT.ATTACHMENT_PATH);
                string FileName = System.Web.HttpUtility.UrlEncode(_ATTACHMENT.ATTACHMENT_NAME, System.Text.Encoding.UTF8);

                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.Buffer = true;
                HttpContext.Current.Response.Charset = "utf-8";
                HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");//设置输出流为简体中文   
                HttpContext.Current.Response.AddHeader("Content-Disposition", string.Format(
                    "attachment; filename=" + FileName, DateTime.Now.ToString("yyyyMMddHHmmssfff")));
                HttpContext.Current.Response.BinaryWrite(System.IO.File.ReadAllBytes(uploadPath));
                HttpContext.Current.Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。                          
                HttpContext.Current.Response.End();
                ms.Close();
                ms.Dispose();
            }

        }

        protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (e.Item.ItemType == System.Web.UI.WebControls.ListItemType.Item ||
                e.Item.ItemType == System.Web.UI.WebControls.ListItemType.AlternatingItem ||
                e.Item.ItemType == System.Web.UI.WebControls.ListItemType.SelectedItem)
            {
                DataRowView _DataRowView = (DataRowView)e.Item.DataItem;

                LinkButton LinkButton = e.Item.FindControl("LinkButton") as LinkButton;
                LinkButton.ToolTip = _DataRowView["ATTACHMENT_NAME"].ToString();
                LinkButton.Text = "<span><img src='/HighWay/Resources/v1_0/Images/4950_old-versions.png' />" +
                    (LinkButton.ToolTip.Length > 30 ? LinkButton.ToolTip.Substring(0, 25) + "..." : LinkButton.ToolTip) + "</span>";
                LinkButton.Attributes["base-code"] = _DataRowView["ATTACHMENT_ID"].ToEncrypt();
            }
        }
    }
}