using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using OfficeAuto.Components;

namespace OfficeAuto.DesktopModules.UserRole
{
	/// <summary>
	/// UserManage 的摘要說明。
	/// </summary>
	public class UserManage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.ListBox UserList;
		protected System.Web.UI.WebControls.ImageButton deleteBtn;
		protected System.Web.UI.HtmlControls.HtmlGenericControl title;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			///判斷用戶是否登錄，否則跳轉到登錄頁面
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}

			if(!Page.IsPostBack)
			{
				BindUserData();
			}

			deleteBtn.Attributes.Add("onclick","return confirm('你確定要刪除所選擇的用戶嗎?');");
		}

		private void BindUserData()
		{
			UserList.Items.Clear();

			StaffDB user = new StaffDB();
			SqlDataReader recu = user.GetStaffs();

			UserList.DataSource = recu;
			UserList.DataTextField = "Staff_Name";
			UserList.DataValueField = "Staff_ID";
			UserList.DataBind();

			recu.Close();
		}

		private void deleteBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(UserList.SelectedIndex > -1)
			{
				StaffDB user = new StaffDB();

				try
				{
					user.DeleteStaff(Int32.Parse(UserList.SelectedValue));
				}
				catch(Exception ex)
				{
					string sRawURL = Request.RawUrl;

					if(sRawURL.IndexOf("?") > -1)
					{
						sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
					}				
					Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
				}

				//重新綁定數據
				BindUserData();
			}
			else
			{
				Response.Write("<script>alert(\"請選擇你的數據項！\")</script>");
			}
		}


		#region Web 窗體設計器生成的代碼
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 該調用是 ASP.NET Web 窗體設計器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
		/// 此方法的內容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.deleteBtn.Click += new System.Web.UI.ImageClickEventHandler(this.deleteBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}