itemsectionparentprivate.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;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.ComponentModel;
	using ASPNET.StarterKit.Communities.ParentSection;



    //*********************************************************************
    //
    // ItemParentSectionPrivate Class
    //
    // Displays an icon for private sections
    //
    //*********************************************************************

	public class ItemParentSectionPrivate : WebControl {

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

    
        //*********************************************************************
        //
        // ItemParentSectionPrivate Constructor
        //
        // Assign a default css style (the user can override)
        //
        //*********************************************************************
		public ItemParentSectionPrivate() : base() {
			CssClass = "itemParentSectionPrivate";
			EnableViewState = false;
    	}


    
        //*********************************************************************
        //
        // IsPublic Property
        //
        // Store the section privacy in view state
        //
        //*********************************************************************
        public bool IsPublic {
            get { 
                if (ViewState["Public"] == null)
                    return true;
                else
                    return (bool)ViewState["Public"];
            }
            set { ViewState["Public"] = value; }
        }





    
        //*********************************************************************
        //
        // OnDataBinding Method
        //
        // Get the title from the container's DataItem property
        //
        //*********************************************************************
        override protected void OnDataBinding(EventArgs e) {
            ContentItem item;

            if (NamingContainer is ContentItem)
                item = (ContentItem)NamingContainer;
            else
                item = (ContentItem)NamingContainer.NamingContainer;

            // Get section info from ParentInfo object
            ParentSectionInfo objParentInfo = (ParentSectionInfo)item.DataItem;
            IsPublic = objParentInfo.IsPublic;
        }



    
        //*********************************************************************
        //
        // Render Method
        //
        // If not public, then render image.
        //
        //*********************************************************************
        override protected void Render(HtmlTextWriter writer) {
            if (! IsPublic)
                base.Render(writer);
        }
        

    
        //*********************************************************************
        //
        // RenderContents Method
        //
        // Display the icon for private
        //
        //*********************************************************************
        override protected void RenderContents(HtmlTextWriter writer) {
            writer.Write( String.Format("<img src=\"{0}\" />", Page.ResolveUrl(_privateIcon)));    
        }


    }
}