mcs/class/System.Web/System.Web.UI.Adapters/ControlAdapter.cs

   1 //
   2 // System.Web.UI.Adapters.ControlAdapter
   3 //
   4 // Author:
   5 //      Dick Porter  <dick@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 using System.Web;
  31 using System.Web.UI;
  32 using System.ComponentModel;
  33
  34 namespace System.Web.UI.Adapters
  35 {
  36         public abstract class ControlAdapter
  37         {
  38                 internal ControlAdapter (Control c)
  39                 {
  40                         control = c;
  41                 }
  42
  43                 protected ControlAdapter ()
  44                 {
  45                 }
  46
  47                 protected HttpBrowserCapabilities Browser
  48                 {
  49                         get {
  50                                 Page page = Page;
  51
  52                                 if (page != null)
  53                                         return page.Request.Browser;
  54
  55                                 return null;
  56                         }
  57                 }
  58
  59                 internal Control control;
  60
  61                 [Browsable (false)]
  62                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  63                 protected Control Control
  64                 {
  65                         get { return control; }
  66                 }
  67
  68                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  69                 [Browsable (false)]
  70                 protected Page Page
  71                 {
  72                         get {
  73                                 Control control = Control;
  74
  75                                 if (control != null)
  76                                         return control.Page;
  77
  78                                 return null;
  79                         }
  80                 }
  81
  82                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  83                 [Browsable (false)]
  84                 protected PageAdapter PageAdapter
  85                 {
  86                         get {
  87                                 Page page = Page;
  88
  89                                 if (page != null)
  90                                         return page.PageAdapter;
  91
  92                                 return null;
  93                         }
  94                 }
  95
  96                 protected internal virtual void BeginRender (HtmlTextWriter w)
  97                 {
  98                         w.BeginRender();
  99                 }
 100
 101                 protected internal virtual void CreateChildControls ()
 102                 {
 103                         Control control = Control;
 104                         if (control != null)
 105                                 control.CreateChildControls ();
 106                 }
 107
 108                 protected internal virtual void EndRender (HtmlTextWriter w)
 109                 {
 110                         w.EndRender ();
 111                 }
 112
 113                 protected internal virtual void LoadAdapterControlState (object state)
 114                 {
 115                 }
 116
 117                 protected internal virtual void LoadAdapterViewState (object state)
 118                 {
 119                 }
 120
 121                 protected internal virtual void OnInit (EventArgs e)
 122                 {
 123                         Control control = Control;
 124
 125                         if (control != null)
 126                                 control.OnInit(e);
 127                 }
 128
 129                 protected internal virtual void OnLoad (EventArgs e)
 130                 {
 131                         Control control = Control;
 132
 133                         if (control != null)
 134                                 control.OnLoad(e);
 135                 }
 136
 137                 protected internal virtual void OnPreRender (EventArgs e)
 138                 {
 139                         Control control = Control;
 140
 141                         if (control != null)
 142                                 control.OnPreRender(e);
 143                 }
 144
 145                 protected internal virtual void OnUnload (EventArgs e)
 146                 {
 147                         Control control = Control;
 148
 149                         if (control != null)
 150                                 control.OnUnload(e);
 151                 }
 152
 153                 protected internal virtual void Render (HtmlTextWriter w)
 154                 {
 155                         Control control = Control;
 156
 157                         if (control != null)
 158                                 control.Render (w);
 159                 }
 160
 161                 protected internal virtual void RenderChildren (HtmlTextWriter w)
 162                 {
 163                         Control control = Control;
 164
 165                         if (control != null)
 166                                 control.RenderChildren (w);
 167                 }
 168
 169                 protected internal virtual object SaveAdapterControlState ()
 170                 {
 171                         return null;
 172                 }
 173
 174                 protected internal virtual object SaveAdapterViewState ()
 175                 {
 176                         return null;
 177                 }
 178         }
 179 }
 180 #endif