using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using WebLib;

namespace Education.Forms.辦訓狀況
{
    public partial class 課程剪影處理 : FormBase
    {
        private DAC_課程剪影 Dao課程剪影;
        private string 圖檔儲存路徑;

        protected void Page_Load(object sender, EventArgs e)
        {
            FunctionName = "課程剪影";
            Dao課程剪影 = new DAC_課程剪影(conn);
            圖檔儲存路徑 = Server.MapPath(Education.PublicVariable.課程剪影路徑);

            if (IsPostBack)
            {
                GridView1.DataBind();
            }

            Panel1.Style["display"] = 訓練企劃搜尋.訓練企劃編號 > 0 ? "block" : "none";
            RegisterPostbackTrigger(btnInsert);
        }

        protected void ds已上課_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
        {
            e.ObjectInstance = Dao訓練課程企劃;
        }

        protected void btnInsert_Click(object sender, EventArgs e)
        {
            if (!IsValid)
                return;

            課程剪影 newValue = new 課程剪影();
            newValue.課程企劃編號 = 訓練企劃搜尋.訓練企劃編號;
            newValue.照片說明 = txt照片說明.Text;
            newValue.照片序號 = Dao課程剪影.Next照片序號(newValue.課程企劃編號);
            newValue.DB_CRUSR = UserId;
            Dao課程剪影.InsertOne(newValue);

            string savePath = String.Format("{0}{1}", 圖檔儲存路徑, newValue.課程企劃編號);
            if (!Directory.Exists(savePath))
                Directory.CreateDirectory(savePath);

            string tFullName = String.Format("{0}\\T_{1:000000}.jpg", savePath, newValue.照片序號);
            MemoryStream ms = PictureProcess.縮圖(fu照片上傳.PostedFile.InputStream, 270, 270);
            File.WriteAllBytes(tFullName, ms.ToArray());
            ms.Dispose();

            tFullName = String.Format("{0}\\{1:000000}.jpg", savePath, newValue.照片序號);
            ms = PictureProcess.縮圖(fu照片上傳.PostedFile.InputStream, 1200, 1200);
            File.WriteAllBytes(tFullName, ms.ToArray());
            ms.Dispose();

            GridView1.DataBind();
        }

        protected void CustomValidator1_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = fu照片上傳.HasFile;
        }

        protected void btn查詢_Click(object sender, EventArgs e)
        {
            GridView1.DataBind();
        }

        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType != DataControlRowType.DataRow)
                return;

            課程剪影 dataItem = e.Row.DataItem as 課程剪影;
            (e.Row.Cells[3].FindControl("Image1") as Image).ImageUrl = String.Format(Education.PublicVariable.課程剪影路徑 + "{0}/T_{1:000000}.jpg",
              dataItem.課程企劃編號, dataItem.照片序號);
        }

        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int 課程企劃ID = DAC.GetInt32(e.Keys["課程企劃編號"]);
            int 照片序號 = DAC.GetInt32(e.Keys["照片序號"]);
            string fileName1 = String.Format("{0}{1}\\T_{2:000000}.jpg", 圖檔儲存路徑, 課程企劃ID, 照片序號);
            string fileName2 = String.Format("{0}{1}\\{2:000000}.jpg", 圖檔儲存路徑, 課程企劃ID, 照片序號);

            if (File.Exists(fileName1))
                File.Delete(fileName1);
            if (File.Exists(fileName2))
                File.Delete(fileName2);
        }
    }
}