itemparentsectiontitlelink.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;



    //*********************************************************************
    //
    // ItemParentSectionTitleLink Class
    //
    // Represents a section title displayed in a template as a link
    //
    //*********************************************************************

	public class ItemParentSectionTitleLink : WebControl {

    
        //*********************************************************************
        //
        // ItemParentSectionTitleLink Constructor
        //
        // Assign a default css style (the user can override)
        //
        //*********************************************************************
		public ItemParentSectionTitleLink() : base(HtmlTextWriterTag.A) {
			CssClass = "itemParentSectionTitleLink";
			EnableViewState = false;
    	}


    
        //*********************************************************************
        //
        // Title Property
        //
        // Store the section title in view state
        //
        //*********************************************************************
        public string Title {
            get { 
                if (ViewState["Title"] == null)
                    return String.Empty;
                else
                    return (string)ViewState["Title"];
            }
            set { ViewState["Title"] = value; }
        }


        //*********************************************************************
        //
        // Path Property
        //
        // Store the section path in view state
        //
        //*********************************************************************
        public string Path {
            get { 
                if (ViewState["Path"] == null)
                    return String.Empty;
                else
                    return (string)ViewState["Path"];
            }
            set { ViewState["Path"] = 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;
            Title = objParentInfo.Title;
            Path = objParentInfo.Path;
        }

        

        //*********************************************************************
        //
        // AddAttributesToRender Method
        //
        // Add the Href to create the link
        //
        //*********************************************************************
        protected override void AddAttributesToRender(HtmlTextWriter writer) {
            writer.AddAttribute(HtmlTextWriterAttribute.Href, Path);
            base.AddAttributesToRender(writer);
        }        
        

    
        //*********************************************************************
        //
        // RenderContents Method
        //
        // Display the title
        // Note: we are going to HTML Encode here to prevent script injections
        //
        //*********************************************************************
        override protected void RenderContents(HtmlTextWriter writer) {
            writer.Write(Title);    
        }


    }
}