public CheckEmptyContentResult IsEmpty()
        {
            ForumLastUpdatesWidgetSettings widgetSettings = SettingsManager.Instance.LoadSettingsFor <ForumLastUpdatesWidgetSettings>(SecurityContext.CurrentAccount.ID);
            var topicList = ForumDataProvider.GetLastUpdateTopics(TenantProvider.CurrentTenantID, widgetSettings.MaxTopicCount);

            if (topicList.Count > 0)
            {
                return(CheckEmptyContentResult.NotEmpty);
            }

            return(CheckEmptyContentResult.Empty);
        }
        protected override void RenderContents(System.Web.UI.HtmlTextWriter writer)
        {
            ForumLastUpdatesWidgetSettings widgetSettings = SettingsManager.Instance.LoadSettingsFor <ForumLastUpdatesWidgetSettings>(SecurityContext.CurrentAccount.ID);

            var           topicList = ForumDataProvider.GetLastUpdateTopics(TenantProvider.CurrentTenantID, widgetSettings.MaxTopicCount);
            StringBuilder sb        = new StringBuilder();

            foreach (Topic topic in topicList)
            {
                if (topic.RecentPostID != 0)
                {
                    sb.Append("<div class='clearFix' style='margin-bottom:20px;'>");
                    sb.Append("<table cellspacing='0' cellpadding='0' border='0'><tr valign='top'>");

                    //date
                    sb.Append("<td style='width:30px; text-align:left;'>");
                    sb.Append(DateTimeService.DateTime2StringWidgetStyle(topic.RecentPostCreateDate));
                    sb.Append("</td>");

                    //message
                    sb.Append("<td style='padding-left:10px;'>");
                    string recentPostURL = VirtualPathUtility.ToAbsolute(ForumManager.BaseVirtualPath + "/posts.aspx") + "?t=" + topic.ID;
                    int    pageNum       = Convert.ToInt32(Math.Ceiling(topic.PostCount / (ForumManager.Settings.PostCountOnPage * 1.0)));
                    if (pageNum <= 0)
                    {
                        pageNum = 1;
                    }

                    if (topic.RecentPostID != 0)
                    {
                        recentPostURL = VirtualPathUtility.ToAbsolute(ForumManager.BaseVirtualPath + "/posts.aspx") + "?t=" + topic.ID.ToString() + "&p=" + pageNum.ToString() + "#" + topic.RecentPostID.ToString();
                    }

                    string message = topic.RecentPostText;
                    if (topic.RecentPostFormatter == PostTextFormatter.BBCode)
                    {
                        message = new ASC.Web.Controls.BBCodeParser.Parser(CommonControlsConfigurer.TextConfig).Parse(topic.RecentPostText);
                    }

                    if (widgetSettings.IsCutLongMessage)
                    {
                        message = HtmlUtility.GetText(message, 120, true);
                    }
                    else
                    {
                        message = HtmlUtility.GetText(message, true);
                    }

                    //topic
                    sb.Append("<div>");
                    sb.Append("<a href='" + recentPostURL + "'>" + HttpUtility.HtmlEncode(topic.Title) + "</a>");
                    if (topic.IsNew())
                    {
                        sb.Append("<span style='margin-left:7px;' class='errorText'>(" + topic.PostCount + ")</span>");
                    }
                    else
                    {
                        sb.Append("<span style='margin-left:7px;' class='describeText'>(" + topic.PostCount + ")</span>");
                    }
                    sb.Append("</div>");

                    //thread

                    //post
                    sb.Append("<div style='margin-top:5px;'>");
                    sb.Append(message);
                    sb.Append("</div>");

                    //who
                    sb.Append("<div style='margin-top:5px;'>");
                    sb.Append("<span class='textBigDescribe' style='margin-right:5px;'>" + Resources.ForumResource.PostedBy + ":</span>");
                    sb.Append(topic.RecentPostAuthor.RenderProfileLink(CommunityProduct.ID));

                    sb.Append("</div>");

                    sb.Append("</td>");
                    sb.Append("</tr></table>");
                    sb.Append("</div>");
                }
            }


            if (topicList.Count > 0)
            {
                sb.Append("<div style='margin-top:10px;'>");
                sb.Append("<a href=\"" + VirtualPathUtility.ToAbsolute(ForumManager.BaseVirtualPath + "/default.aspx") + "\">" + Resources.ForumResource.ForumsBreadCrumbs + "</a>");
                sb.Append("</div>");
            }
            else
            {
                sb.Append("<div class=\"empty-widget\" style='text-align:center; padding:40px 0px;'>");

                if (ForumManager.Instance.ValidateAccessSecurityAction(ForumAction.GetAccessForumEditor, null))
                {
                    sb.AppendFormat(
                        Resources.ForumResource.ForumNotCreatedWidgetMessageForAdmin,
                        string.Format("<div style=\"padding-top:3px;\"><a href=\"{0}\">", VirtualPathUtility.ToAbsolute(ForumManager.BaseVirtualPath + "/managementcenter.aspx")),
                        "</a></div>");
                }
                else
                {
                    sb.Append(Resources.ForumResource.ForumNotCreatedWidgetMessage);
                }
                sb.Append("</div>");
            }

            writer.Write(sb.ToString());
        }