Carrotware.CMS.UI.Controls.BaseNavSel.WriteTopLevel C# (CSharp) Метод

        protected virtual void WriteTopLevel(HtmlTextWriter output)
        {
            int indent = output.Indent;
            output.Indent = indent + 2;

            List<SiteNav> lstNav = GetTopNav();
            SiteNav parentPageNav = GetParentPage();
            List<SiteNav> lstNavTree = GetPageNavTree().OrderByDescending(x => x.NavOrder).ToList();

            this.ParentFileName = parentPageNav.FileName.ToLowerInvariant();

            if (lstNav != null && lstNav.Any()) {
                output.WriteLine();
                WriteListPrefix(output);

                int indent2 = output.Indent + 1;

                string sItemCSS = "";
                if (!String.IsNullOrEmpty(CSSItem)) {
                    sItemCSS = String.Format(" {0} ", this.CSSItem);
                }

                string sThis1CSS = sItemCSS;

                foreach (SiteNav c1 in lstNav) {
                    output.Indent = indent2;
                    List<SiteNav> cc = GetChildren(c1.Root_ContentID);

                    string sChild = " ";
                    if (this.MultiLevel) {
                        if (cc != null && cc.Any()) {
                            sChild = " level1-haschildren " + this.CSSHasChildren + " ";
                        }
                        sThis1CSS = " level1 " + sItemCSS + sChild;
                    } else {
                        sThis1CSS = sItemCSS;
                    }
                    if (SiteData.IsFilenameCurrentPage(c1.FileName) || (IsContained(lstNavTree, c1.Root_ContentID) != null) || AreFilenamesSame(c1.FileName, this.ParentFileName)) {
                        sThis1CSS = sThis1CSS + " " + this.CSSSelected;
                    }
                    if (lstNav.Where(x => x.NavOrder < 0).Count() > 0) {
                        if (c1.NavOrder < 0) {
                            sThis1CSS = sThis1CSS + " parent-nav";
                        } else {
                            sThis1CSS = sThis1CSS + " child-nav";
                        }
                    }
                    sThis1CSS = sThis1CSS.Replace("   ", " ").Replace("  ", " ").Trim();

                    iItemNumber++;
                    output.WriteLine("<li id=\"listitem" + iItemNumber.ToString() + "\" class=\"" + sThis1CSS + "\"><a href=\"" + c1.FileName + "\">" + c1.NavMenuText + "</a>");

                    int indent3 = output.Indent;
                    if (this.MultiLevel && cc != null && cc.Any()) {
                        LoadChildren(output, c1.Root_ContentID, sItemCSS, iItemNumber, 2);
                    }
                    output.Indent = indent3;
                    output.WriteLine("</li>");
                    output.WriteLine();
                }
                WriteListSuffix(output);
            } else {
            #if DEBUG
                output.WriteLine("<span style=\"display: none;\" id=\"" + this.ClientID + "\"></span>");
            #endif
            }

            output.Indent = indent;
        }