threaddetail.cs

ASP.NET简洁论坛源代码 这是一个简单的论坛

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NetFocus.Web.Core;

namespace NetFocus.Web.Applications.Forum
{
    public class ThreadDetail : UserControl, IUpdateData
    {
        protected Repeater list;
        protected ExpanderPanel titlePanel;
        protected Repeater postList;
        protected HiddenField controlIDHidden;
        private bool canManagePost = true;

        public int ThreadId
        {
            get
            {
                object o = ViewState["ThreadId"];
                if (o != null)
                {
                    return int.Parse(o.ToString());
                }
                return 0;
            }
            set
            {
                ViewState["ThreadId"] = value;
            }
        }
        public bool CanManagePost
        {
            get
            {
                return Convert.ToBoolean(canManagePost);
            }
            set
            {
                canManagePost = value;
            }
        }

        protected override void OnLoad(EventArgs e)
        {
            this.ID = controlIDHidden.Value;
            if (!Page.IsPostBack && !AjaxManager.IsCallBack)
            {
                ThreadId = WebContext.Current.EntityId;
                BindData();
            }

            AjaxManager.Register(this, "AjaxMethod");
        }

        public void UpdateData()
        {
            Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadRequest(ThreadId)) as Thread;

            if (thread != null)
            {
                titlePanel.Text = thread.Subject;
                List<Thread> threads = new List<Thread>();
                threads.Add(thread);

                list.DataSource = threads;
                list.DataBind();

                if (postList != null)
                {
                    postList.DataSource = thread.ChildEntities;
                    postList.DataBind();
                }
            }
        }
        public void BindData()
        {
            Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadRequest(ThreadId)) as Thread;

            if (thread != null)
            {
                titlePanel.Text = thread.Subject;
                List<Thread> threads = new List<Thread>();
                threads.Add(thread);

                list.DataSource = threads;
                list.DataBind();

                if (postList != null)
                {
                    postList.DataSource = thread.ChildEntities;
                    postList.DataBind();
                }

                thread.TotalViews++;
                Entities.UpdateEntity(thread);
            }
        }

        #region Ajax Method

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public string SetAsEssence(int threadId)
        {
            Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadRequest(threadId)) as Thread;

            if (thread == null)
            {
                return "您当前要操作的帖子不存在！";
            }
            if (thread.ThreadType == (int)ThreadType.Wonderful)
            {
                return "您当前要操作的帖子已经是精华帖子！";
            }
            thread.ThreadType = (int)ThreadType.Wonderful;
            Entities.UpdateEntity(thread);

            return "成功将帖子设置为精华帖子！";
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public string SetAsRecommended(int threadId)
        {
            Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadRequest(threadId)) as Thread;

            if (thread == null)
            {
                return "您当前要操作的帖子不存在！";
            }
            if (thread.ThreadType == (int)ThreadType.Recommended)
            {
                return "您当前要操作的帖子已经是推荐帖子！";
            }
            thread.ThreadType = (int)ThreadType.Recommended;
            Entities.UpdateEntity(thread);

            return "成功将帖子设置为推荐帖子！";
        }

        [AjaxMethod(IncludeControlValuesWithCallBack = false)]
        public void DeletePost(int postId)
        {
            //BusinessManager.DeletePost(postId);

            //Thread thread = BusinessManager.GetThread(RequestBuilder.BuildThreadOnlyRequest(ThreadId)) as Thread;
            //if (thread != null)
            //{
            //    thread.TotalPosts--;
            //    BusinessManager.UpdateThread(thread);
            //}

            Post post = BusinessManager.GetPost(RequestBuilder.BuildPostRequest(postId));
            post.Body = "该回复已被管理员删除";
            BusinessManager.UpdatePost(post);
        }

        #endregion
    }
}