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

   1 //
   2 // System.Web.UI.WebControls.TextBox.cs
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@novell.com)
   6 //
   7 // (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 using System.Collections.Specialized;
  30 using System.ComponentModel;
  31
  32
  33 namespace System.Web.UI.WebControls {
  34         [DataBindingHandler ("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
  35         [DefaultEvent ("TextChanged")]
  36         [DefaultProperty ("Text")]
  37         [ValidationProperty ("Text")]
  38         [ControlBuilder (typeof (TextBoxControlBuilder))]
  39 #if NET_2_0
  40         [Designer ("System.Web.UI.Design.WebControls.PreviewControlDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  41         [ParseChildren (true, "Text")]
  42         [ControlValueProperty ("Text", null)]
  43 #else
  44         [ParseChildren (false)]
  45 #endif
  46         public class TextBox : WebControl, IPostBackDataHandler
  47 #if NET_2_0
  48         , IEditableTextControl, ITextControl
  49 #endif
  50         {
  51                 protected override void AddAttributesToRender (HtmlTextWriter w)
  52                 {
  53                         if (Page != null)
  54                                 Page.VerifyRenderingInServerForm (this);
  55
  56                         base.AddAttributesToRender (w);
  57
  58                         switch (TextMode) {
  59                         case TextBoxMode.MultiLine:
  60                                 if (Columns != 0)
  61                                         w.AddAttribute (HtmlTextWriterAttribute.Cols, Columns.ToString ());
  62                                 if (Rows != 0)
  63                                         w.AddAttribute (HtmlTextWriterAttribute.Rows, Rows.ToString ());
  64                                 if (!Wrap)
  65                                         w.AddAttribute (HtmlTextWriterAttribute.Wrap, "off");
  66
  67                                 break;
  68
  69                         case TextBoxMode.SingleLine:
  70                         case TextBoxMode.Password:
  71
  72                                 if (TextMode == TextBoxMode.Password)
  73                                         w.AddAttribute (HtmlTextWriterAttribute.Type, "password");
  74                                 else {
  75                                         w.AddAttribute (HtmlTextWriterAttribute.Type, "text");
  76                                         w.AddAttribute (HtmlTextWriterAttribute.Value, Text);
  77                                 }
  78
  79                                 if (Columns != 0)
  80                                         w.AddAttribute (HtmlTextWriterAttribute.Size, Columns.ToString ());
  81
  82                                 if (MaxLength != 0)
  83                                         w.AddAttribute (HtmlTextWriterAttribute.Maxlength, MaxLength.ToString ());
  84                                 break;
  85                         }
  86
  87                         if (AutoPostBack)
  88                                 w.AddAttribute (HtmlTextWriterAttribute.Onchange, Page.ClientScript.GetPostBackClientHyperlink (this, ""));
  89
  90                         if (ReadOnly)
  91                                 w.AddAttribute (HtmlTextWriterAttribute.ReadOnly, "ReadOnly");
  92
  93                         w.AddAttribute (HtmlTextWriterAttribute.Name, UniqueID);
  94                 }
  95
  96                 protected override void AddParsedSubObject (object obj)
  97                 {
  98                         LiteralControl l = obj as LiteralControl;
  99                         if (l != null)
 100                                 Text = l.Text;
 101                 }
 102
 103                 [MonoTODO]
 104 #if NET_2_0
 105                 protected internal
 106 #else
 107                 protected
 108 #endif
 109                 override void OnPreRender (EventArgs e)
 110                 {
 111                         // What do i do here?
 112                         base.OnPreRender (e);
 113                 }
 114
 115                 [MonoTODO ("Am I missing something here")]
 116 #if NET_2_0
 117                 protected internal
 118 #else
 119                 protected
 120 #endif
 121                 override void Render (HtmlTextWriter w)
 122                 {
 123                         // Why didn't msft just override RenderContents!?
 124                         RenderBeginTag (w);
 125                         if (TextMode == TextBoxMode.MultiLine)
 126                                 HttpUtility.HtmlEncode (Text, w);
 127                         RenderEndTag (w);
 128                 }
 129
 130 #if NET_2_0
 131                 [MonoTODO]
 132                 protected virtual bool LoadPostData (string postDataKey, NameValueCollection postCollection)
 133                 {
 134                         throw new NotImplementedException ();
 135                 }
 136
 137                 [MonoTODO]
 138                 protected virtual void RaisePostDataChangedEvent ()
 139                 {
 140                         throw new NotImplementedException ();
 141                 }
 142 #endif
 143
 144                 bool IPostBackDataHandler.LoadPostData (string key, NameValueCollection col)
 145                 {
 146                         if (Text != col [key]) {
 147                                 Text = col [key];
 148                                 return true;
 149                         }
 150
 151                         return false;
 152                 }
 153
 154                 void IPostBackDataHandler.RaisePostDataChangedEvent ()
 155                 {
 156                         OnTextChanged (EventArgs.Empty);
 157                 }
 158
 159 #if NET_2_0
 160                 [MonoTODO]
 161                 protected override object SaveViewState ()
 162                 {
 163                         return base.SaveViewState ();
 164                 }
 165 #endif
 166
 167 #if NET_2_0
 168                 [DefaultValue (AutoCompleteType.None)]
 169                 [Themeable (false)]
 170                 [MonoTODO]
 171                 public virtual AutoCompleteType AutoCompleteType
 172                 {
 173                         get {
 174                                 throw new NotImplementedException ();
 175                         }
 176                         set {
 177                                 throw new NotImplementedException ();
 178                         }
 179                 }
 180 #endif
 181
 182                 [DefaultValue(false)]
 183 #if NET_2_0
 184                 [Themeable (false)]
 185 #endif
 186                 [WebSysDescription ("")]
 187                 [WebCategory ("Behavior")]
 188                 public virtual bool AutoPostBack {
 189                         get {
 190                                 return ViewState.GetBool ("AutoPostBack", false);
 191                         }
 192                         set {
 193                                 ViewState ["AutoPostBack"] = value;
 194                         }
 195                 }
 196
 197 #if NET_2_0
 198                 [DefaultValue (false)]
 199                 [Themeable (false)]
 200                 public virtual bool CausesValidation
 201                 {
 202                         get {
 203                                 return ViewState.GetBool ("CausesValidation", false);
 204                         }
 205                         set {
 206                                 ViewState["CausesValidation"] = value;
 207                         }
 208                 }
 209 #endif
 210
 211 #if ONLY_1_1
 212                 [Bindable(true)]
 213 #endif
 214                 [DefaultValue(0)]
 215                 [WebSysDescription ("")]
 216                 [WebCategory ("Appearance")]
 217                 public virtual int Columns {
 218                         get {
 219                                 return ViewState.GetInt ("Columns", 0);
 220                         }
 221                         set {
 222                                 ViewState ["Columns"] = value;
 223                         }
 224                 }
 225
 226 #if ONLY_1_1
 227                 [Bindable(true)]
 228 #endif
 229                 [DefaultValue(0)]
 230 #if NET_2_0
 231                 [Themeable (false)]
 232 #endif
 233                 [WebSysDescription ("")]
 234                 [WebCategory ("Behavior")]
 235                 public virtual int MaxLength {
 236                         get {
 237                                 return ViewState.GetInt ("MaxLength", 0);
 238                         }
 239                         set {
 240                                 ViewState ["MaxLength"] = value;
 241                         }
 242                 }
 243
 244                 [Bindable(true)]
 245                 [DefaultValue(false)]
 246 #if NET_2_0
 247                 [Themeable (false)]
 248 #endif
 249                 [WebSysDescription ("")]
 250                 [WebCategory ("Behavior")]
 251                 public virtual bool ReadOnly {
 252                         get {
 253                                 return ViewState.GetBool ("ReadOnly", false);
 254                         }
 255                         set {
 256                                 ViewState ["ReadOnly"] = value;
 257                         }
 258                 }
 259
 260 #if ONLY_1_1
 261                 [Bindable(true)]
 262 #endif
 263                 [DefaultValue(0)]
 264 #if NET_2_0
 265                 [Themeable (false)]
 266 #endif
 267                 [WebSysDescription ("")]
 268                 [WebCategory ("Behavior")]
 269                 public virtual int Rows {
 270                         get {
 271                                 return ViewState.GetInt ("Rows", 0);
 272                         }
 273                         set {
 274                                 ViewState ["Rows"] = value;
 275                         }
 276                 }
 277
 278 #if NET_2_0 && HAVE_CONTROL_ADAPTERS
 279                 protected virtual new
 280 #else
 281                 protected override
 282 #endif
 283                 HtmlTextWriterTag TagKey {
 284                         get {
 285                                 return TextMode == TextBoxMode.MultiLine ? HtmlTextWriterTag.Textarea : HtmlTextWriterTag.Input;
 286                         }
 287                 }
 288
 289 #if NET_2_0
 290                 [Bindable(true, BindingDirection.TwoWay)]
 291 #else
 292                 [Bindable(true)]
 293 #endif
 294                 [DefaultValue("")]
 295                 [PersistenceMode(PersistenceMode.EncodedInnerDefaultProperty)]
 296 #if NET_2_0
 297                 [Localizable (true)]
 298                 [Editor ("System.ComponentModel.Design.MultilineStringEditor," + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 299 #endif
 300                 [WebSysDescription ("")]
 301                 [WebCategory ("Appearance")]
 302                 public virtual string Text {
 303                         get {
 304                                 return ViewState.GetString ("Text", "");
 305                         }
 306                         set {
 307                                 ViewState ["Text"] = value;
 308                                 if (TextMode == TextBoxMode.Password)
 309                                         ViewState.SetItemDirty ("Text", false);
 310                         }
 311                 }
 312
 313                 [DefaultValue(TextBoxMode.SingleLine)]
 314 #if NET_2_0
 315                 [Themeable (false)]
 316 #endif
 317                 [WebSysDescription ("")]
 318                 [WebCategory ("Behavior")]
 319                 public virtual TextBoxMode TextMode {
 320                         get {
 321                                 return (TextBoxMode) ViewState.GetInt ("TextMode", (int) TextBoxMode.SingleLine);
 322                         }
 323                         set {
 324                                 ViewState ["TextMode"] = (int) value;
 325                         }
 326                 }
 327
 328 #if NET_2_0
 329                 [Themeable (false)]
 330                 [DefaultValue ("")]
 331                 public string ValidationGroup
 332                 {
 333                         get {
 334                                 return ViewState.GetString ("ValidationGroup", "");
 335                         }
 336                         set {
 337                                 ViewState ["ValidationGroup"] = value;
 338                         }
 339                 }
 340 #endif
 341
 342                 [DefaultValue(true)]
 343                 [WebSysDescription ("")]
 344                 [WebCategory ("Layout")]
 345                 public virtual bool Wrap {
 346                         get {
 347                                 return ViewState.GetBool ("Wrap", true);
 348                         }
 349                         set {
 350                                 ViewState ["Wrap"] = value;
 351                         }
 352                 }
 353
 354                 protected virtual void OnTextChanged (EventArgs e)
 355                 {
 356                         EventHandler h = (EventHandler) Events [TextChangedEvent];
 357                         if (h != null)
 358                                 h (this, e);
 359                 }
 360
 361                 static readonly object TextChangedEvent = new object ();
 362
 363                 [WebSysDescription ("")]
 364                 [WebCategory ("Action")]
 365                 public event EventHandler TextChanged {
 366                         add { Events.AddHandler (TextChangedEvent, value); }
 367                         remove { Events.RemoveHandler (TextChangedEvent, value); }
 368                 }
 369         }
 370 }