postflatview.cs

community server 源码

//------------------------------------------------------------------------------
// <copyright company="Telligent Systems">
//     Copyright (c) Telligent Systems Corporation.  All rights reserved.
// </copyright> 
//------------------------------------------------------------------------------

using System;
using System.Text;
using System.Web;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;

using CommunityServer.Components;
using CommunityServer.Controls;
using CommunityServer.Discussions.Components;

namespace CommunityServer.Discussions.Controls 
{

    // *********************************************************************
    //  PostFlatView
    //
    /// <summary>
    /// This server control is used to display top level threads. Note, a thread
    /// is a post with more information. The Thread class inherits from the Post
    /// class.
    /// </summary>
    /// 
    // ********************************************************************/
    public class PostFlatView : TemplatedWebControl 
    {

        CSContext csContext;
        ForumPost post;
        Forum forum;
        ForumPermission permission;
		Forum reportForum;
        User currentUser;
		Thread postThread;
        bool siteEnableUserPostingAsAnonymous = false;
        bool forumEnableUserPostingAsAnonymous = false;

        protected override void OnInit(EventArgs e) {

			if (SkinName == null)                
				ExternalSkinFileName = "View-PostFlatView.ascx";
			else 
				ExternalSkinFileName = SkinName;


            this.csContext = CSContext.Current;
            this.currentUser = csContext.User;
            this.post = Posts.GetPost( csContext.PostID, currentUser.UserID, true, true );

            // Are we looking up the forum by forum id or post id
            //
            if (csContext.SectionID > 0) 
            {
                forum = Forums.GetForum(csContext.SectionID, true, true);
            } 
            else if (csContext.PostID > 0) 
            {
                forum = Forums.GetForumByPostID(csContext.PostID, csContext.User.UserID, true );
            }

            if (forum == null) 
            {
                PermissionBase.RedirectOrExcpetion(CSExceptionType.SectionNotFound, csContext.SectionID.ToString());
            }

			if (forum.SectionID == 0) 
			{
				UserMessages.InvalidateMessageCount(currentUser.UserID);
			}
            else
			{
			    SearchFilters.SetFilters(forum,ForumGroups.GetForumGroup(forum.GroupID),Context);
			}
        
			//Get the report forum
			reportForum = Forums.GetReportedForum();

            // Get site and forum settings if users may post as anonymous.
            //
            siteEnableUserPostingAsAnonymous = ForumConfiguration.Instance().EnableUserPostingAsAnonymous;
            forumEnableUserPostingAsAnonymous = forum.EnableAnonymousPostingForUsers;

            permission = forum.ResolvePermission( currentUser ) as ForumPermission;

            if( !permission.Read )
				PermissionBase.RedirectOrExcpetion(CSExceptionType.AccessDenied);

            base.OnInit(e);
        }

        protected string BuildQuickReplyScript()
        {
            string url = ForumUrls.Instance().QuickReply;

            StringBuilder sb = new StringBuilder();
            sb.AppendFormat(@"<script type=""text/javascript"">{0}", Environment.NewLine);
            sb.AppendFormat(@"function showQuickReply(postID) {{{0}", Environment.NewLine);
            sb.AppendFormat(@" Telligent_Modal.Open('{0}'+postID,{1},{2},reLoadPage); {3}", url,600,400, Environment.NewLine);
            sb.AppendFormat(@"}}{0}", Environment.NewLine);

//            sb.Append("function reloadCallback(res){	if(shouldRefresh){refresh();}}");
//            sb.Append(Environment.NewLine);


            sb.Append("function reLoadPage(shouldRefresh){	if(shouldRefresh){refresh();}}");
            sb.Append(Environment.NewLine);

            sb.AppendFormat(@"</script>{0}", Environment.NewLine);
            return sb.ToString();
        }

		protected override void OnLoad(EventArgs e) 
		{
			AjaxManager.Register(this, "PostFlatViewAJAX", true, AjaxDebug.None);

			if ( !Page.IsPostBack || !EnableViewState ) 
			{
				DataBind();
			}
			JavaScript.RegisterRefresh(this.Page);
			JavaScript.RegisterToolTips(this.Page);
			Page.RegisterClientScriptBlock("QuickReply", BuildQuickReplyScript());
			base.OnLoad(e);
		}

		[AjaxMethod(IncludeControlValuesWithCallBack=false)]
		public void TogglePostStatus(int postID)
		{
			ForumPost post = Posts.GetPost(postID, csContext.User.UserID, false, false, false);
			post.PostStatus ^= PostStatus.IsAnswer;
			Posts.UpdatePost(post, csContext.User.UserID);
		}

        #region Child Controls

        Repeater postRepeater;
        ForumPager pager, pager2;
        RatePost rateThread;
        CurrentPage currentPage, currentPage2;
        RequiredFieldValidator postBodyValidator;
        ForumImageButton prevThread;
        ForumImageButton nextThread;
        Label forumName;
        Label postSubject;
        ForumImageButton newPostButtonUp;
        ForumImageButton newPostButtonDown;
        Label threadStats;
        PlaceHolder pagingArea, pagingArea2;
		DropDownList sortOrder;
		ITrackedThread trackingButton;
		ModerationContextMenu modContextMenu;
        //StatusDropDownList threadStatus;

        #endregion

        #region Skin

        protected override void AttachChildControls() 
        {

            postRepeater = (Repeater)FindControl( "PostRepeater" );
            pager = (ForumPager)FindControl( "Pager" );
			pager2 = (ForumPager) FindControl("Pager2");
            rateThread = (RatePost)FindControl( "RateThread" );
            currentPage = (CurrentPage)FindControl( "CurrentPage" );
			currentPage2 = (CurrentPage)FindControl("CurrentPage2");
            postBodyValidator = (RequiredFieldValidator)FindControl( "PostBodyValidator" );
            prevThread = (ForumImageButton)FindControl( "PrevThread" );
            nextThread = (ForumImageButton)FindControl( "NextThread" );
            forumName = (Label)FindControl( "ForumName" );
            postSubject = (Label)FindControl( "PostSubject" );
            newPostButtonUp = (ForumImageButton)FindControl("NewPostButtonUp");
            newPostButtonDown = (ForumImageButton)FindControl("NewPostButtonDown");
            threadStats = (Label)FindControl("ThreadStats");
            pagingArea = (PlaceHolder)FindControl( "PagingArea" );
			pagingArea2 = (PlaceHolder) FindControl("PagingArea2");
			sortOrder = (DropDownList)FindControl( "SortOrder" );
			trackingButton = FindControl( "TrackingButton" ) as ITrackedThread;
			modContextMenu = (ModerationContextMenu) FindControl ("ModerationContextMenu");

            InitializeChildControls();
        }

        private void InitializeChildControls() 
        {
			sortOrder.SelectedIndexChanged += new EventHandler(sortOrder_SelectedIndexChanged);

			// Read if they have a cookie for a custom sort order set
			if(Context.Request.Cookies["PostSortOrder" + csContext.PostID] != null)
                sortOrder.Items.FindByValue( Context.Request.Cookies["PostSortOrder" + csContext.PostID].Value ).Selected = true;
			else
				sortOrder.Items.FindByValue( ((int)this.currentUser.PostSortOrder).ToString() ).Selected = true;

            postRepeater.ItemDataBound += new RepeaterItemEventHandler(postRepeater_ItemDataBound);
        }


        #endregion

        #region Event Handlers

		private void ModerationMenu_PostModerateRefresh (object sender, EventArgs e)
		{
			Posts.ClearPosts(csContext.PostID, pager.PageIndex, pager.PageSize, 0, 0);
			HttpContext.Current.Response.Redirect(HttpContext.Current.Request.Url.ToString(), true);
		}

        public void ThreadStatus_Changed (object sender, ThreadStatusEventArgs e) {
            if (e.ThreadID <= 0)
                return;

            Threads.UpdateThreadStatus( e.ThreadID, e.Status );
        }

		private void sortOrder_SelectedIndexChanged(object sender, EventArgs e)
		{
			// Set a cookie to store their sort preference for this post until they close the browser
			HttpCookie cookie = new HttpCookie("PostSortOrder" + csContext.PostID, sortOrder.SelectedValue.ToString());
			cookie.Expires = DateTime.MinValue;
			Context.Response.Cookies.Set(cookie);
			Context.Response.Redirect(Context.Request.RawUrl);
		}

        #endregion

        #region DataBinding
        public override void DataBind() 
        {
            base.DataBind();

            #region prev/next thread navigation
			
			if (this.prevThread != null)
				prevThread.Post = post;

			if ( this.nextThread != null)
				nextThread.Post = post;

            #endregion

			// Get the post's thread
			postThread = Threads.GetThread( post.ThreadID );
			if (!postThread.IsApproved)
				throw new CSException(CSExceptionType.PostNotFound, "The post starter is not approved");

            if(postThread != null)
            {
                Head.AddSiteNameTitle(postThread.Subject,Context);
                if(this.forum.IsPrivate)
                {
                    UsersOnline.PrivateLocation();
                }
                else
                {
                    UsersOnline.SetLocation(postThread.Subject);
                }
            }
			if (rateThread != null)
			{
				rateThread.Post = this.post;
				rateThread.Thread = postThread;
                
				if (csContext.SiteSettings.SectionRatingType == SectionRatingType.ThreadRating)
					rateThread.Visible = true;
			}

			if (modContextMenu != null)
			{
				modContextMenu.Forum = forum;
				modContextMenu.PostModerateRefresh += new EventHandler(ModerationMenu_PostModerateRefresh);
			}

			if (forumName != null)
				forumName.Text = postThread.Subject;

			if (postSubject != null)
				postSubject.Text = post.Subject;

			if(trackingButton != null)
			{
				trackingButton.IsTracked = ThreadTracking.IsTracked(post.ThreadID,csContext.User.UserID);
				trackingButton.ThreadID = post.ThreadID;
			}

            // Get a populated thread set
            //
            PostSet postSet = Posts.GetPosts(csContext.PostID, pager.PageIndex, pager.PageSize, 0, Int32.Parse(sortOrder.SelectedValue), true);

            postRepeater.DataSource = postSet.Posts;
            postRepeater.DataBind();

            pager.TotalRecords = currentPage.TotalRecords = postSet.TotalRecords;
			pager.UrlPattern = ForumUrls.Instance().PostPagedRaw(csContext.PostID);
			if (pager2 != null)
			{
				pager2.PageIndex = pager.PageIndex;
				pager2.TotalRecords = pager.TotalRecords;
				pager2.UrlPattern = pager.UrlPattern;
			}

            currentPage.TotalPages = pager.CalculateTotalPages();
            currentPage.PageIndex = pager.PageIndex;
			if (currentPage2 != null)
			{
				currentPage2.TotalRecords = currentPage.TotalRecords;
				currentPage2.TotalPages = currentPage.TotalPages;
				currentPage2.PageIndex = pager.PageIndex;
			}

			if (pagingArea != null)
				pagingArea.Visible = ( currentPage.TotalPages > 1 );

			if (pagingArea2 != null)
				pagingArea2.Visible = (currentPage.TotalPages > 1);


            #region Post/Reply Permissions
				
            if (newPostButtonUp != null) 
            {
                newPostButtonUp.Visible = UserCanPost();
            }

            if (newPostButtonDown != null) 
            {
                newPostButtonDown.Visible = UserCanPost();
            }

            #endregion

            #region Post Stats

            string[] info = new string[3];

            if (threadStats != null) 
            {				
                // Quick access to the first post, and only access
                // data we have (no trips to the DP).
                //
                if (postSet.TotalRecords > 0)
                {
                    ForumPost topPost;
                    if (Int32.Parse(sortOrder.SelectedValue) == (int)SortOrder.Ascending)
                        topPost = (ForumPost) postSet.Posts[0];
                    else