ads.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 CommunityServer.Components;
using System.Web.UI;

namespace CommunityServer.Controls {

	// *********************************************************************
	//  Ads
	//
	/// <summary>
	/// This server control is a placeholder where the user can add advertising.
	/// </summary>
	// ***********************************************************************/
	public class Ads : SkinnedWebControl {

		string skinFilename = "Skin-Ads.ascx";
		Zones zone = Zones.StandardTop;

		// *********************************************************************
		//  Ads
		//
		/// <summary>
		/// Constructor
		/// </summary>
		// ***********************************************************************/
		public Ads() : base() {

			// Assign a default template name
			if (SkinFilename == null)
				SkinFilename = skinFilename;

		}

		// *********************************************************************
		//  CreateChildControls
		//
		/// <summary>
		/// This event handler adds the children controls.
		/// </summary>
		// ***********************************************************************/
		protected override void CreateChildControls() {

			if( CSContext.Current.SiteSettings.EnableAds == false )
				return;

			// If the user is already authenticated we have no work to do
			if (Page.Request.IsAuthenticated) {
				if ( CSContext.Current.User.IsAdministrator || CSContext.Current.User.IsModerator )
					return;
			}

			base.CreateChildControls();
		}

		// *********************************************************************
		//  Initializeskin
		//
		/// <summary>
		/// Initialize the control template and populate the control with values
		/// </summary>
		// ***********************************************************************/
		override protected void InitializeSkin(Control skin) {

			switch (Zone) {

				case Zones.StandardTop:

					if (DisplayGoogleAd) {
						skin.FindControl("GoogleAdsense").Visible = true;
					} else {
						skin.FindControl("StandardTop").Visible = true;
					}
					break;

				case Zones.StandardBottom:
					if (DisplayGoogleAd) {
						skin.FindControl("GoogleAdsense").Visible = true;
					} else {
						skin.FindControl("StandardBottom").Visible = true;
					}
					break;

				case Zones.Square:
					skin.FindControl("Square").Visible = true;
					break;

				case Zones.Skyscraper:
					skin.FindControl("Skyscraper").Visible = true;
					break;

				case Zones.Inline:
					skin.FindControl("Inline").Visible = true;
					break;

				case Zones.GoogleAdsense:
					skin.FindControl("GoogleAdsense").Visible = true;
					break;

			}

		}

		public bool DisplayGoogleAd {
			get {
				Random r = new Random();

				if (r.Next(100) < googleRotationPercent)
					return true;
				return false;
			}
		}

		int googleRotationPercent = 0;
		public int GoogleRotationPercent {
			get {
				return googleRotationPercent;
			}
			set {
				googleRotationPercent = value;
			}
		}

		public Zones Zone {
			get { return zone; }
			set { zone = value; }
		}
	}

	public enum Zones {
		StandardTop,
		StandardBottom,
		Inline,
		GoogleAdsense,
		Skyscraper,
		Square
	}
}