using System;
using System.Collections;
using System.ComponentModel;
using System.Configuration;
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 Wuqi.Webdiyer;
using WesternByte.MyBlog.Core.Blog;
using WesternByte.MyBlog.Core.Category;
using WesternByte.MyBlog.Core.Picture;

namespace WesternByte.MyBlog.Blog.Admin.Picture
{
	/// <summary>
	/// Picture 的摘要說明。
	/// </summary>
	public class Picture : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataList pictureCategory;
		protected System.Web.UI.WebControls.DataList pictureList;

		protected Wuqi.Webdiyer.AspNetPager pager;
		protected CategoryDAO cDAO = new CategoryDAO();
		protected PictureDAO pDAO = new PictureDAO();
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此處放置用戶代碼以初始化頁面
			if(Session["Blog"]!=null)
			{
				BlogVO bVO = (BlogVO)Session["Blog"];
				if(!Page.IsPostBack)
				{
					string Category = Page.Request.QueryString["CategoryID"];
					int CategoryID = 0;
					if(Category != null) CategoryID = Convert.ToInt32(Category);
					pager.RecordCount = cDAO.LoadCount(bVO.BlogID,"p");
					BindData(bVO.BlogID,CategoryID);
				}
			}
			else
			{
				Page.Response.Redirect("/Login.aspx");
			}
		}

		private void BindData(int BlogID,int CategoryID)
		{
			//分類列表
			DataSet cDs = cDAO.LoadList(BlogID,"p");
			cDs.Tables[0].Columns.Add("CategoryStr");
			for(int i=0;i<cDs.Tables[0].Rows.Count;i++)
			{
				cDs.Tables[0].Rows[i]["CategoryStr"] = "<a href=\"Picture.aspx?CategoryID="+cDs.Tables[0].Rows[i]["CategoryID"].ToString()+"\">"+cDs.Tables[0].Rows[i]["Name"].ToString()+"</a>";
			}
			this.pictureCategory.DataSource = cDs.Tables[0].DefaultView;
			this.pictureCategory.DataBind();

			//當前分類下所有圖片列表
			DataSet pDs = pDAO.LoadList(BlogID,CategoryID,pager.PageSize*(pager.CurrentPageIndex-1),pager.PageSize);
			pDs.Tables[0].Columns.Add("Image");
			pDs.Tables[0].Columns.Add("Edit");
			pDs.Tables[0].Columns.Add("Remove");
			for(int i=0;i<pDs.Tables[0].Rows.Count;i++)
			{
				//圖片路徑
				string imageWebPath = ConfigurationSettings.AppSettings["ImageWebPath"].ToString() + pDs.Tables[0].Rows[i]["BlogID"].ToString() + "/" + pDs.Tables[0].Rows[i]["CategoryID"].ToString();
				pDs.Tables[0].Rows[i]["Image"] = imageWebPath + "/t_" + pDs.Tables[0].Rows[i]["ImageUrl"].ToString();
				pDs.Tables[0].Rows[i]["ImageUrl"] = "View.aspx?PictureID=" + pDs.Tables[0].Rows[i]["PictureID"].ToString();
				if(pDs.Tables[0].Rows[i]["Subject"].ToString().Length>8){
					pDs.Tables[0].Rows[i]["Subject"] = pDs.Tables[0].Rows[i]["Subject"].ToString().Substring(0,8) + "…";
				}
				pDs.Tables[0].Rows[i]["Edit"] = "<a href=\"Edit.aspx?PictureID=" + pDs.Tables[0].Rows[i]["PictureID"].ToString() + "\">修改</a>";
				pDs.Tables[0].Rows[i]["Remove"] = "<a href=\"Remove.aspx?PictureID=" + pDs.Tables[0].Rows[i]["PictureID"].ToString() + "\">刪除</a>";
			}
			pictureList.DataSource = pDs.Tables[0].DefaultView;
			pictureList.DataBind();
	
			//動態設置用戶自定義文本內容
			pager.CustomInfoText="共"+pager.PageCount.ToString()+"頁，當前為第"+pager.CurrentPageIndex.ToString()+"頁";
		}

		protected void ChangePage(object src,PageChangedEventArgs e)
		{
			string Category = Page.Request.QueryString["CategoryID"];
			int CategoryID = 0;
			if(Category != null) CategoryID = Convert.ToInt32(Category);
			pager.CurrentPageIndex=e.NewPageIndex;
			BindData(((BlogVO)Session["Blog"]).BlogID,CategoryID);
		}


		#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.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}