userlogin.cs

一个ASP.NET下的中文内容管理和社区系统

namespace ASPNET.StarterKit.Communities {

    using System;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Configuration;


    //*********************************************************************
    //
    // UserLogin Class
    //
    // WebControl that enables users to login or logout
    // from a community site. 
    //
    //*********************************************************************
    
    [ParseChildren(true)]
    public class UserLogin : SkinnedCommunityControl {
    
        string _skinFileName = "Users_UserLogin.ascx";
 
        Panel pnlLogin;
        Panel pnlLogout;
        HyperLink lnkLogin;
        HyperLink lnkRegister;
        HyperLink lnkLogout;
        HyperLink lnkProfile;        

        //*********************************************************************
        //
        // UserLogin Constructor
        //
        // Calls the base SkinnedCommunityControl constructor
        // and assigns the default page skin.
        //
        //*********************************************************************
        
        public UserLogin() : base() {
            // Assign a default template name
            if (SkinFileName == null)
                SkinFileName = _skinFileName;
            
            EnableViewState = false;
        }


        //*********************************************************************
        //
        // SkinType Property
        //
        // Specifies the skins directory where this page's skin file is located.
        //
        //*********************************************************************
        
        override protected string SkinType {
            get { return "ControlSkins"; }
        }
   


        //*********************************************************************
        //
        // InitializeSkin Method
        //
        // Retrieves all the controls from the Page Skin
        //
        //*********************************************************************
    
        override protected void InitializeSkin(Control skin) {

            // Find Login Panel
            pnlLogin = (Panel)GetControl(skin, "pnlLogin");
            
            // Find SignOut Panel
            pnlLogout = (Panel)GetControl(skin, "pnlLogout");
            
            // Find Login Link
            lnkLogin = (HyperLink)GetControl(skin, "lnkLogin");
            
            // Find Register Link
            lnkRegister = (HyperLink)GetControl(skin, "lnkRegister");
            
            // Find SignOut Link
            lnkLogout = (HyperLink)GetControl(skin, "lnkLogout");

            // Find Profile Link
            lnkProfile = (HyperLink)GetControl(skin, "lnkProfile");
        }



        //*********************************************************************
        //
        // OnPreRender Method
        //
        // Renders the links to the browser that enables users
        // to login or logout.
        //
        //*********************************************************************
        
        protected override void OnPreRender(EventArgs e) {

            if (objUserInfo.IsAuthenticated) {
                pnlLogout.Visible = true;
                pnlLogin.Visible = false;
                lnkLogout.NavigateUrl = CommunityGlobals.CalculatePath("Users_Logout.aspx");
                lnkProfile.NavigateUrl = CommunityGlobals.ResolveBase("Users_ShowProfile.aspx");
            } else {
                pnlLogout.Visible = false;
                pnlLogin.Visible = true;
                lnkLogin.NavigateUrl = CommunityGlobals.CalculatePath( String.Format("Users_Login.aspx?ReturnUrl={0}", Context.Server.UrlEncode(Context.Request.RawUrl)));
                lnkRegister.NavigateUrl = CommunityGlobals.CalculatePath("Users_Register.aspx");
            }
        }
    
    
    }
}