1//===============================================================================================
 2//
 3// (c) Copyright Microsoft Corporation.
 4// This source is subject to the Microsoft Permissive License.
 5// See http://www.microsoft.com/resources/sharedsource/licensingbasics/sharedsourcelicenses.mspx.
 6// All other rights reserved.
 7//
 8//===============================================================================================
 9
10using System.IO;
11using System.Web;
12using System.Web.UI;
13using System.Web.UI.WebControls;
14using System.Web.UI.HtmlControls;
15using System.Xml;
16using System.Xml.Xsl;
17
18namespace MyWebPagesStarterKit.Controls
19...{
20    /**//// <summary>
21    /// Sidebar control to display a vertical bar with various RSS items/channels
22    /// </summary>
23    public class SidebarControl : WebControl, INamingContainer
24    ...{
25        /**//// <summary>
26        /// Reference to sidebar data object
27        /// </summary>
28        protected Sidebar _sidebar;
29
30        /**//// <summary>
31        /// Constructor, initializes sidebar data
32        /// </summary>
33        public SidebarControl(): base()
34        ...{
35            _sidebar = Sidebar.GetInstance();
36        }
37
38        /**//// <summary>
39        /// Adds controls to the sidebar depending on the Sidebar data object
40        /// </summary>
41        protected override void CreateChildControls()
42        ...{
43            string Xml = _sidebar.GetRSSFeed(HttpContext.Current.User.Identity);
44
45            if (Xml != string.Empty)
46            ...{
47                //for Valid XHTML 1.0 Transitional the div-tag cannot be placed directly within span-tag
48                //span-tag is created automatically by the .net control
49                HtmlGenericControl obj = new HtmlGenericControl("object");
50                Controls.Add(obj);
51
52                HtmlGenericControl divTop = new HtmlGenericControl("div");
53                divTop.Attributes.Add("class", "sidebartop");
54                //Controls.Add(divTop);
55                obj.Controls.Add(divTop);
56                
57                HtmlGenericControl divSidebar = new HtmlGenericControl("div");
58                divSidebar.Attributes.Add("class", "sidebar");
59                //Controls.Add(divSidebar);
60                obj.Controls.Add(divSidebar);
61
62                XmlDocument doc = new XmlDocument();
63                doc.LoadXml(Xml);
64                
65                foreach (XmlNode link in doc.SelectNodes("//link"))
66                    link.InnerText = ResolveUrl(link.InnerText);
67
68                Xml ctrlFeed = new Xml();
69                divSidebar.Controls.Add(ctrlFeed);
70                ctrlFeed.ID = "ctrlSidebarFeed";
71                
72                ctrlFeed.XPathNavigator = doc.CreateNavigator();
73                ctrlFeed.TransformSource = Page.Server.MapPath("~/App_Themes/" + Page.Theme + "/sidebar.xsl");
74                ctrlFeed.DataBind();
75
76                /**//* it is a known issue that the html encoding is not correct with the Xml control and XSLT. The alternative is to create the string manually and render it.
77                 * See http://weblogs.asp.net/justin_rogers/archive/2004/08/04/208464.aspx
78                 */
79
80                HtmlGenericControl divBottom = new HtmlGenericControl("div");
81                divBottom.Attributes.Add("class", "sidebarbottom");
82                //Controls.Add(divBottom);
83                obj.Controls.Add(divBottom);
84                Controls.Add(obj);
85            }
86        }
87    }
88}