footer.cs

本系统是在asp版《在线文件管理器》的基础上设计制作

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

using System;
using System.Web.Caching;
using System.Web.UI;
using System.Web.UI.WebControls;
using CommunityServer.Components;

namespace CommunityServer.Controls 
{
	public class Footer : WebControl 
	{
		private bool IsLicensed()
		{
			object obj= CSCache.Get("LicenseValidator");

			if(obj == null)
			{
				bool isValid  = false;
				string path = CSContext.Current.MapPath(Globals.ApplicationPath + "/bin/license.xml");

				try
				{
					Type t = Type.GetType("Telligent.CommunityServer.Registration.LicenseValidator, Telligent.CommunityServer.Registration");

					if(t != null)
					{
						try
						{
							Activator.CreateInstance(t, new object[]{path});
							isValid = true;
						}
						catch { } // nothing to do
					}
				}
                catch { }

				CSCache.Max("LicenseValidator", isValid, new CacheDependency(path));
				return isValid;
			}
			else
				return (bool)obj;
		}

		protected override void Render(HtmlTextWriter writer)
		{
			writer.WriteLine("<div class=\"copyright\">" + CSContext.Current.SiteSettings.Copyright + "</div>");

			if(!IsLicensed())
			{
				// Removal of copywrite is available also with support options at
				// http://www.telligentsystems.com/Solutions/Forums/
				//
				writer.Write("<p align=\"center\" class=\"txt4\">");
				writer.Write( "<a target=\"_blank\" href=\"http://www.communityserver.org/\"><img alt=\"" + string.Format(ResourceManager.GetString("Footer_PoweredBy"), "Community Server") + "\" border=\"0\" src=\"" + Globals.ApplicationPath + "/utility/EULA.GIF" + "\"></a>");
				writer.Write( "&nbsp;<a target=\"_blank\" href=\"http://www.cnforums.net/\"><img alt=\"" + string.Format(ResourceManager.GetString("Footer_PoweredBy"), "CnForums.Net") + "\" border=\"0\" src=\"" + Globals.ApplicationPath + "/utility/CnForumsLogo.GIF" + "\"></a>");
				//writer.Write( "<a href=\"mailto:" + CSContext.Current.SiteSettings.AdminEmailAddress + "\">" + ResourceManager.GetString("Footer_QuestionsProblems") + "</a> | <a href=\"" + Globals.GetSiteUrls().TermsOfUse +"\">" + ResourceManager.GetString("Footer_TermsOfUse") + "</a>");
				writer.Write("</p>");
			}
		}
	}
}