mcs/class/System.Web/System.Web.UI.WebControls/LoginName.cs

   1 //
   2 // System.Web.UI.WebControls.LoginName class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if NET_2_0
  30
  31 using System.ComponentModel;
  32 using System.Security.Permissions;
  33
  34 namespace System.Web.UI.WebControls {
  35
  36         // CAS
  37         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  39         // attributes
  40         [Bindable (false)]
  41         [DefaultProperty ("FormatString")]
  42         [Designer ("System.Web.UI.Design.WebControls.LoginNameDesigner," + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  43         public class LoginName : WebControl {
  44
  45                 public LoginName ()
  46                 {
  47                 }
  48
  49
  50                 [DefaultValue ("{0}")]
  51                 [Localizable (true)]
  52                 public virtual string FormatString {
  53                         get {
  54                                 object o = ViewState ["FormatString"];
  55                                 return (o == null) ? "{0}" : (string)o;
  56                         }
  57                         set {
  58                                 if (value == null)
  59                                         ViewState.Remove ("FormatString");
  60                                 else
  61                                         ViewState ["FormatString"] = value;
  62                         }
  63                 }
  64
  65
  66                 protected internal override void Render (HtmlTextWriter writer)
  67                 {
  68                         if (!Anonymous) {
  69                                 RenderBeginTag (writer);
  70                                 RenderContents (writer);
  71                                 RenderEndTag (writer);
  72                         }
  73                 }
  74
  75                 public override void RenderBeginTag (HtmlTextWriter writer)
  76                 {
  77                         if (!Anonymous)
  78                                 base.RenderBeginTag (writer);
  79                 }
  80
  81                 protected internal override void RenderContents (HtmlTextWriter writer)
  82                 {
  83                         if (!Anonymous) {
  84                                 string format = (string) ViewState ["FormatString"];
  85                                 if ((format == null) || (format.Length == 0))
  86                                         writer.Write (User);
  87                                 else
  88                                         writer.Write (format, User);
  89                         }
  90                 }
  91
  92                 public override void RenderEndTag (HtmlTextWriter writer)
  93                 {
  94                         if (!Anonymous)
  95                                 base.RenderEndTag (writer);
  96                 }
  97
  98                 // private stuff
  99
 100                 private bool Anonymous {
 101                         get { return (User.Length == 0); }
 102                 }
 103
 104                 private string User {
 105                         get {
 106                                 if ((Page == null) || (Page.User == null))
 107                                         return String.Empty;
 108                                 return Page.User.Identity.Name;
 109                         }
 110                 }
 111         }
 112 }
 113
 114 #endif