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

   1 /**
   2  * Namespace: System.Web.UI.WebControls
   3  * Class:     WebControl
   4  *
   5  * Author:  Gaurav Vaish
   6  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
   7  * Status:  Unknown %
   8  *
   9  * (C) Gaurav Vaish (2001)
  10  */
  11
  12 using System;
  13 using System.Web;
  14 using System.Web.UI;
  15 using System.Drawing;
  16 using System.Collections.Specialized;
  17
  18 namespace System.Web.UI.WebControls
  19 {
  20         public class WebControl : Control, IAttributeAccessor
  21         {
  22                 //TODO: A list of private members may be incomplete
  23
  24                 private static int i = 0;
  25                 private string _accessKey = string.Empty;
  26                 private string _clientID;
  27                 private Color  _backColor    = Color.Empty;
  28                 private Color  _borderColor  = Color.Empty;
  29                 private BorderStyle _bStyle;
  30                 private Unit   _borderWidth  = Unit.Empty;
  31                 private Style  _controlStyle = null;                    //TODO: What's initial value?
  32                 private string _cssClass     = string.Empty;
  33                 private bool   _enabled      = true;
  34                 private FontInfo _font;
  35
  36                 // TODO: Should this have other methods called? or
  37                 // the values should be left blank - to be used up by the end-user?
  38                 private AttributeCollection _attributes = new AttributeCollection( new System.Web.UI.StateBag());
  39
  40                 public virtual string AccessKey
  41                 {
  42                         get
  43                         {
  44                                 return _accessKey;
  45                         }
  46                         set
  47                         {
  48                                 _accessKey = value;
  49                         }
  50                 }
  51
  52                 public virtual AttributeCollection Attributes
  53                 {
  54                         get
  55                         {
  56                                 return _attributes;
  57                         }
  58                 }
  59
  60                 public virtual Color BackColor
  61                 {
  62                         get
  63                         {
  64                                         return _backColor;
  65                         }
  66                         set
  67                         {
  68                                 _backColor = value;
  69                         }
  70                 }
  71
  72                 public virtual Color BorderColor
  73                 {
  74                         get
  75                         {
  76                                         return _borderColor;
  77                         }
  78                         set
  79                         {
  80                                 _borderColor = value;
  81                         }
  82                 }
  83
  84                 // TODO: Confused with the enum BorderStyle and variable BorderStyle
  85                 //public virtual BorderStyle BorderStyle { get; set; }
  86
  87                 public virtual Unit BorderWidth
  88                 {
  89                         get
  90                         {
  91                                 return _borderWidth;
  92                         }
  93                         set
  94                         {
  95                                 _borderWidth = value;
  96                         }
  97                 }
  98
  99                 public override string ClientID
 100                 {
 101                         get
 102                         {
 103                                 _clientID = "WebControl" + i++;
 104                                 return _clientID;
 105                         }
 106                 }
 107
 108                 public Style ControlStyle
 109                 {
 110                         get
 111                         {
 112                                 return _controlStyle;
 113                         }
 114                 }
 115
 116                 // TODO: The exact purpose of the field is not known
 117                 // public bool ControlStyleCreated { get; }
 118
 119                 public virtual string CssClass
 120                 {
 121                         get
 122                         {
 123                                 return _cssClass;
 124                         }
 125                         set
 126                         {
 127                                 _cssClass = value;
 128                         }
 129                 }
 130
 131                 public virtual bool Enabled
 132                 {
 133                         get
 134                         {
 135                                 return _enabled;
 136                         }
 137                         set
 138                         {
 139                                 _enabled = value;
 140                         }
 141                 }
 142
 143                 public virtual FontInfo Font
 144                 {
 145                         get
 146                         {
 147                                 return _font;
 148                         }
 149                 }
 150
 151                 // TODO: The constructors definitions
 152                 protected WebControl()
 153                 {
 154                 }
 155
 156                 public WebControl(HtmlTextWriterTag tag)
 157                 {
 158                 }
 159
 160                 protected WebControl(string tag)
 161                 {
 162                 }
 163
 164                 // Implemented procedures
 165
 166                 public string GetAttribute(string key)
 167                 {
 168                         return "";
 169                 }
 170
 171                 public void SetAttribute(string key, string val)
 172                 {
 173
 174                 }
 175
 176 /*
 177                 // Properties
 178                 public ControlCollection Controls { virtual get; }
 179                 public Style ControlStyle { get; }
 180                 public bool ControlStyleCreated { get; }
 181                 public bool EnableViewState { virtual get; virtual set; }
 182                 public FontInfo Font { virtual get; }
 183                 public Color ForeColor { virtual get; virtual set; }
 184                 public Unit Height { virtual get; virtual set; }
 185                 public string ID { virtual get; virtual set; }
 186                 public Control NamingContainer { virtual get; }
 187                 public Page Page { virtual get; virtual set; }
 188                 public Control Parent { virtual get; }
 189                 public ISite Site { virtual get; virtual set; }
 190                 public CssStyleCollection Style { get; }
 191                 public short TabIndex { virtual get; virtual set; }
 192                 public string TemplateSourceDirectory { virtual get; }
 193                 public string ToolTip { virtual get; virtual set; }
 194                 public string UniqueID { virtual get; }
 195                 public bool Visible { virtual get; virtual set; }
 196                 public Unit Width { virtual get; virtual set; }
 197
 198                 // Events
 199                 public event EventHandler DataBinding;
 200                 public event EventHandler Disposed;
 201                 public event EventHandler Init;
 202                 public event EventHandler Load;
 203                 public event EventHandler PreRender;
 204                 public event EventHandler Unload;
 205
 206                 // Methods
 207                 public void ApplyStyle(System.Web.UI.WebControls.Style s);
 208                 public void CopyBaseAttributes(System.Web.UI.WebControls.WebControl controlSrc);
 209                 public virtual void DataBind();
 210                 public virtual void Dispose();
 211                 public virtual bool Equals(object obj);
 212                 public virtual System.Web.UI.Control FindControl(string id);
 213                 public virtual int GetHashCode();
 214                 public Type GetType();
 215                 public virtual bool HasControls();
 216                 public void MergeStyle(System.Web.UI.WebControls.Style s);
 217                 public virtual void RenderBeginTag(System.Web.UI.HtmlTextWriter writer);
 218                 public void RenderControl(System.Web.UI.HtmlTextWriter writer);
 219                 public virtual void RenderEndTag(System.Web.UI.HtmlTextWriter writer);
 220                 public string ResolveUrl(string relativeUrl);
 221                 public void SetRenderMethodDelegate(System.Web.UI.RenderMethod renderMethod);
 222                 public virtual string ToString();
 223 //*/
 224         }
 225 }