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;

namespace SuperMap.RealEstate.Finance.Running.uploadData
{
    /// <summary>
    /// T_ATTACHMENT_附件上传 的WebUserControl
    /// <summary>
    public partial class ATTACHMENT : UserControl<Business.ATTACHMENT>
    {
        public Running.Business.FINANCEPROINST _FinanceProInst = null;
        public string _ModifyType;

        protected override void OnInit(EventArgs e)
        {
            Common.PageHelper.CreateHeaderStyle(Page);
            _FinanceProInst = Running.Business.FINANCEPROINST.CreateInstance(Page);

            //隐藏打印受理单按钮
            this.ButtonVisible = false;
            base.OnInit(e);
        }


        protected void Page_Load(object sender, EventArgs e)
        {
            if (IsPostBack) return;

            if (ModifyType == ModifyTypeEnum.ReadOnly || ModifyType == ModifyTypeEnum.ReadOnlyVisible)
            {
                _ModifyType = "0";
            }

        }

        //在此加入界面的数据初始化(Page_Load之前)，如DropDownList的数据源绑定等
        public override void InitializeWebControl()
        {

        }

        //载入数据
        public override bool LoadData()
        {
            PROINST_ID.Text = _FinanceProInst.PROINST_ID.ToString();
            //绑定对应的控件
            BindRepick();


            //如果是工作流组件请自行修改载入的逻辑，以下是功能模块的默认代码
            if (!String.IsNullOrEmpty(Request["ID"]))
            {
                CurrObject.ATTACHMENT_ID_Encrypt = Request["ID"];
                return this.Select();
            }
            //默认返回值，工作流组件返回True,功能模块返回False。
            return (WorkFlowPage != null);
        }

        //OnDataAction_XXXXX 有一个系列可用,在此加入界面的逻辑处理
        //e.CancelDataAction 来处理是否取消该动作;
        //失败的原因可以用Page.Alert()传递到页面
        public override void OnDataAction_BeforeSave(DataActionEventArgs<Business.ATTACHMENT> e)
        {
            base.OnDataAction_BeforeSave(e);
        }

        private void BindRepick()
        {
            //绑定对应的控件
            Repeater1.DataSource = (new Business.ATTACHMENT(this.Transaction)).ExecuteDataTable(
                "SELECT * FROM T_ATTACHMENT where PROINST_ID = " + this._FinanceProInst.PROINST_ID);
            Repeater1.DataBind();

        }

        public byte[] StreamToBytes(Stream stream)
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);
            // 设置当前流的位置为流的开始   
            stream.Seek(0, SeekOrigin.Begin);
            return bytes;
        }

        protected void LinkButton_Click(object sender, EventArgs e)
        {
            LinkButton LinkButton = sender as LinkButton;
            //下载内容
            Business.ATTACHMENT _ATTACHMENT = new Business.ATTACHMENT(this.Transaction);
            _ATTACHMENT.ATTACHMENT_ID_Encrypt = LinkButton.Attributes["base-code"];
            if (_ATTACHMENT.Select())
            {
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                string uploadPath = HttpContext.Current.Server.MapPath("~/UploadImageDir/FINANCEPROINST/") + _ATTACHMENT.ATTACHMENT_NAME;
                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=" +
                    _ATTACHMENT.ATTACHMENT_NAME, 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 rowv = (DataRowView)e.Item.DataItem;

                LinkButton LinkButton = e.Item.FindControl("LinkButton") as LinkButton;
                LinkButton.Text = "<span><img src='/Finance/Resources/v1_0/Images/4950_old-versions.png' />" +
                    rowv["ATTACHMENT_NAME"] + "</span>";
                if (!string.IsNullOrWhiteSpace(rowv["OTHER_NAME"].ToString()))
                {
                    LinkButton.OnClientClick = Page.GetOpenPopDialogClientScript(rowv["OTHER_NAME"].ToString() +
                        "?DataType=RUNNING&FINANCEPROINST_ID=" + _FinanceProInst.FINANCEPROINST_ID_Encrypt, "DownloadPage", 900, 600);
                }
                else
                {
                    LinkButton.Attributes["base-code"] = rowv["ATTACHMENT_ID"].ToEncrypt();
                }

                if (this.ModifyType == ModifyTypeEnum.ReadOnly || this.ModifyType == ModifyTypeEnum.ReadOnlyVisible)
                {
                    ;
                }
                else
                {
                    LinkButton DelButton = e.Item.FindControl("DelButton") as LinkButton;
                    DelButton.Text = "<span><img src='/Finance/Resources/v1_0/Images/delete.png' /></span>";
                    DelButton.Attributes["base-code"] = rowv["ATTACHMENT_ID"].ToEncrypt();
                }
            }
        }

        protected void DelButton_Click(object sender, EventArgs e)
        {
            try
            {
                LinkButton LinkButton = sender as LinkButton;
                Business.ATTACHMENT _ATTACHMENT = new Business.ATTACHMENT(this.Transaction);
                _ATTACHMENT.ATTACHMENT_ID_Encrypt = LinkButton.Attributes["base-code"].ToString();
                if (_ATTACHMENT.Select())
                {
                    if (Directory.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/FINANCEPROINST")) &&
                        File.Exists(HttpContext.Current.Server.MapPath("~/UploadImageDir/FINANCEPROINST/") + _ATTACHMENT.ATTACHMENT_NAME))
                    {
                        File.Delete(HttpContext.Current.Server.MapPath("~/UploadImageDir/FINANCEPROINST/") + _ATTACHMENT.ATTACHMENT_NAME);
                    }
                    _ATTACHMENT.Delete();
                }
                BindRepick();
            }
            catch { }
        }

        protected void CallBackButton1_Click(object sender, EventArgs e)
        {
            BindRepick();
        }

        public override bool Save(bool AutoBindData = true)
        {
            //20190425广西不限制上传附件
            //判断附件是否已经上传，未上传返回false
            Business.ATTACHMENT _ATTACHMENT = new Business.ATTACHMENT(this.Transaction);
            if (_ATTACHMENT.GetCount("where PROINST_ID =" + _FinanceProInst.PROINST_ID) == 0)
            {
                //throw new Exception("请上传对应的附件!");
                Page.Alert("您未上传附件,是否继续转到下一环节！");
            }
            return true;
            //return base.Save(AutoBindData);
        }


    }
}