author.cs

ASP开发网站的 关于网站的设计和说明 还有SQL的程序 数据库

namespace ASPNET.StarterKit.Communities {
    using System;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
	using System.ComponentModel;

    //*********************************************************************
    //
    // Author Class
    //
    // Represents a content author
    //
    //*********************************************************************
	[Designer(typeof(ASPNET.StarterKit.Communities.CommunityDesigner))]	
    public class Author : WebControl {


        private string _externalImage = "~/communities/common/images/external.gif";


        ContentInfo objContentInfo;



        //*********************************************************************
        //
        // Author Constructor
        //
        // Assign a default css class and retrieve contentInfo from context
        //
        //*********************************************************************

        public Author() : base() {
            CssClass = "Author";

            // Get ContentInfo object
			if (Context != null) 
				objContentInfo = (ContentInfo)Context.Items["ContentInfo"];
        }


        //*********************************************************************
        //
        // ExternalImage Property
        //
        // The relative path to an image displayed for remote users
        //
        //*********************************************************************
        public string ExternalImage {
            get {return _externalImage;}
            set {_externalImage = value; }
        }



        //*********************************************************************
        //
        // TagKey Property
        //
        // If local user display a link, otherwise display a span 
        //
        //*********************************************************************

        protected override HtmlTextWriterTag TagKey {
            get {
                if (objContentInfo.RemoteAuthor == String.Empty)
                    return HtmlTextWriterTag.A;
                else
                    return HtmlTextWriterTag.Span;
            }
        }
        

        //*********************************************************************
        //
        // AddAttributesToRender Method
        //
        // Add the HRef that links to the profile page
        //
        //*********************************************************************
        protected override void AddAttributesToRender(HtmlTextWriter writer) {
            if (objContentInfo.RemoteAuthor == String.Empty) {
                string encodedAuthor = String.Format("Users_ShowProfile.aspx?user={0}", Context.Server.UrlEncode(objContentInfo.Author));
                writer.AddAttribute(HtmlTextWriterAttribute.Href, encodedAuthor);
                base.AddAttributesToRender(writer);
            }
        }        



        //*********************************************************************
        //
        // RenderContents Method
        //
        // Display author (we HTML encode here)
        //
        //*********************************************************************
        override protected void RenderContents(HtmlTextWriter writer) {
            if (objContentInfo.RemoteAuthor == String.Empty)
                writer.Write(Context.Server.HtmlEncode(objContentInfo.Author));    
            else {
                writer.Write(String.Format("<img src=\"{0}\" />", Page.ResolveUrl(_externalImage)));
                writer.Write(Context.Server.HtmlEncode(objContentInfo.RemoteAuthor));    
            }

        }


    }
}