container.cs

来自「基于Asp.net、MS sql sever 2000、C# 论坛系统源码」· CS 代码 · 共 164 行

using System;
using System.Web;
using System.Web.UI;
using Stella.Web.ProcessFlow;
using Stella.Model;
using Stella.BusinessLogic;
using Stella.Utility;

namespace Stella.Web.Pages
{
	/// <summary>
	/// 一切页的容器页
	/// </summary>
	public class Container : System.Web.UI.Page
	{
		#region IsRefresh
		
		private bool refreshState;

		private bool isRefresh;
		protected bool IsRefresh
		{
			get{ return this.isRefresh; }
		}

		protected override void LoadViewState(object savedState)
		{
			object[] states=(object[])savedState;
			base.LoadViewState(states[0]);
			this.refreshState=(bool)states[1];
			this.isRefresh=(this.refreshState==(bool)Context.Session["isRefresh"]);
		}

		protected override object SaveViewState()
		{
			Session["isRefresh"]=this.refreshState;
			object[] states=new object[]{base.SaveViewState(),!this.refreshState};
			return states;
		}

		protected override void OnInit(EventArgs e)
		{
			base.OnInit (e);
			if(Context.Session["isRefresh"]==null)
				Context.Session["isRefresh"]=false;
		}

		#endregion

		//只在调试时这样做
		protected override void OnError(EventArgs e)
		{
			System.Exception ex=Server.GetLastError();
			DebugHelper.CatchException(ex);
		}
		
		protected override void OnLoad(EventArgs e)
		{
			Control form=Page.Controls[1];
			Control header=Page.LoadControl(@"../Controls/Header.ascx");
			Control footer=Page.LoadControl(@"../Controls/Footer.ascx");
			form.Controls.AddAt(0,header);
			form.Controls.AddAt(form.Controls.Count,footer);
			base.OnLoad (e);
		}

		/// <summary>
		/// 指示是否是斑竹
		/// </summary>
		/// <param name="themeId">版块编号</param>
		/// <returns></returns>
		protected bool isManager(int themeId)
		{
			if(this.Request.IsAuthenticated)
			{
				if(this.User.IsInRole("manager"))
				{
					if(Session["user"]!=null)
					{
						Model.Member member=(Model.Member)Session["user"];
						if(member.Manage==themeId)
							return true;
					}
				}
			}
			return false;
		}

		/// <summary>
		/// 指示用户是否登陆
		/// </summary>
		protected bool isLogin
		{
			get{return this.Request.IsAuthenticated;}
		}

		private CacheController cc;
		/// <summary>
		/// 缓存控制器
		/// </summary>
		protected CacheController cC
		{
			get
			{
				if(cc==null)
					cc=new CacheController();
				return cc;
			}
		}

		private Stella.BusinessLogic.ArtLogic al;

		/// <summary>
		/// 帖子操作
		/// </summary>
		protected Stella.BusinessLogic.ArtLogic artLogic
		{
			get
			{
				if(al==null)
					al=new ArtLogic(new TopicChangedEventHandler(topicChange));
				return al;
			}
		}
		private void topicChange(Art art)
		{
			HttpContext.Current.Cache.Remove(CType.Topics(art.ThemeId));
			HttpContext.Current.Cache.Remove(CType.NewTopics);
		}

		private Stella.BusinessLogic.UserLogic ul;

		/// <summary>
		/// 用户操作
		/// </summary>
		protected Stella.BusinessLogic.UserLogic userLogic
		{
			get
			{
				if(ul==null)
					ul=new UserLogic();
				return ul;
			}
		}

		/// <summary>
		/// 版块资料统计
		/// </summary>
		protected ThemeInfoSum themeCounter
		{
			get{ return ThemeInfoSum.GetInstance(); }
		}

		/// <summary>
		/// 论坛资料统计
		/// </summary>
		protected ForumInfoSum forumCounter
		{
			get{return ForumInfoSum.GetInstance();}
		}
	}

}