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;
 11using System.Web.UI;
 12using System.Web.UI.WebControls;
 13using System.Web.UI.HtmlControls;
 14
 15namespace MyWebPagesStarterKit.Controls
 16...{
 17    public abstract class SectionControlBaseClass : UserControl
 18    ...{
 19        /**//// <summary>
 20        /// Indicates whether a section control 
 21        /// </summary>
 22        public abstract bool HasAdminView
 23        ...{
 24            get;
 25        }
 26        public abstract string InfoUrl
 27        ...{
 28            get;
 29        }
 30        public abstract ISection Section
 31        ...{
 32            set;
 33            get;
 34        }
 35
 36        public ViewMode ViewMode
 37        ...{
 38            get
 39            ...{
 40                object o = ViewState["ViewMode"];
 41                if (o != null)
 42                    return (ViewMode)o;
 43                else
 44                    return ViewMode.Readonly;
 45            }
 46            set
 47            ...{
 48                ViewState["ViewMode"] = value;
 49            }
 50        }
 51
 52
 53        # region Section Rss Methods
 54        public bool RssCapable(Type t)
 55        ...{
 56            return (typeof(ISidebarObject).IsAssignableFrom(t));
 57        }
 58
 59        /**//// <summary>
 60        /// Renders an RSS button to display at the end of the control
 61        /// </summary>
 62        /// <param name="page"></param>
 63        protected void DisplayRssButton(WebPage page)
 64        ...{
 65            if (Request.QueryString["pg"] != null && WebSite.GetInstance().EnableSectionRss)
 66            ...{
 67                HyperLink lnkRss = new HyperLink();
 68                Image img = new Image();
 69                img.Width = Unit.Pixel(1);
 70                img.ImageUrl = ResolveUrl("~/Images/spacer.gif");
 71                img.Height = Unit.Pixel(20);
 72                
 73                lnkRss.NavigateUrl = ResolveUrl("~/SectionRss.ashx?psid=" + Sidebar.CreatePageSectionKey(Section.SectionId, page.PageId));
 74                lnkRss.ImageUrl = ResolveUrl("~/Images/rss.gif");
 75                lnkRss.ToolTip = "Rss";
 76                lnkRss.Text = "Rss";
 77                Controls.AddAt(Controls.Count, lnkRss);
 78                Controls.AddAt(Controls.Count, img);
 79
 80            }
 81        }
 82
 83        /**//// <summary>
 84        ///  header-tag for rss detection in the browswer
 85        /// </summary>
 86        /// <param name="page"></param>
 87        /// <returns></returns>
 88        protected HtmlLink MetaLink(WebPage page)
 89        ...{
 90            HtmlLink link = new HtmlLink();
 91            string sURL = "http://" + Request.Url.Authority + ResolveUrl("~/SectionRss.ashx?psid=" + Sidebar.CreatePageSectionKey(Section.SectionId, page.PageId));
 92            link.Attributes.Add("rel", "alternate");
 93            link.Attributes.Add("type", "application/rss+xml");
 94            link.Attributes.Add("title", page.Title + ": " + Section.GetType().Name.ToString());
 95            link.Attributes.Add("href", sURL);
 96            return link;
 97        }
 98        #endregion
 99
100    }
101}