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

   1 //
   2 // System.Web.UI.WebControls.Login class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //  Konstantin Triger  <kostat@mainsoft.com>
   7 //
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if NET_2_0
  31
  32 using System.Collections;
  33 using System.Globalization;
  34 using System.ComponentModel;
  35 using System.Security.Permissions;
  36 using System.Web.Security;
  37
  38 namespace System.Web.UI.WebControls {
  39
  40         // CAS
  41         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  42         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  43         // attributes
  44         [Bindable (false)]
  45         [DefaultEvent ("Authenticate")]
  46         [Designer ("System.Web.UI.Design.WebControls.LoginDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  47         public class Login : CompositeControl {
  48
  49                 #region LoginContainer
  50
  51                 sealed class LoginContainer : WebControl {
  52                         public Control UserNameTextBox {
  53                                 get {
  54                                         return FindControl("UserName");
  55                                 }
  56                         }
  57
  58                         public Control PasswordTextBox {
  59                                 get {
  60                                         return FindControl("Password");
  61                                 }
  62                         }
  63
  64                         public Control RememberMeCheckBox {
  65                                 get {
  66                                         return FindControl("RememberMe");
  67                                 }
  68                         }
  69                 }
  70
  71                 #endregion
  72
  73                 #region LoginTemplate
  74
  75                 sealed class LoginTemplate : WebControl, ITemplate {
  76                         readonly Login _login;
  77
  78                         private TextBox userNameTextBox;
  79                         private RequiredFieldValidator userNameRequired;
  80                         private TextBox passwordTextBox;
  81                         private RequiredFieldValidator passwordRequired;
  82                         private CheckBox rememberMeCheckBox;
  83                         private WebControl loginButton;
  84
  85                         public LoginTemplate (Login login)
  86                         {
  87                                 _login = login;
  88                         }
  89
  90                         void ITemplate.InstantiateIn(Control container) {
  91                                 container.Controls.Add (this);
  92
  93                                 userNameTextBox = new TextBox ();
  94                                 userNameTextBox.ID = "UserName";
  95
  96                                 userNameRequired = new RequiredFieldValidator ();
  97                                 userNameRequired.ID = "UserNameRequired";
  98                                 userNameRequired.ControlToValidate = userNameTextBox.ID;
  99                                 userNameRequired.ErrorMessage = "*";
 100                                 userNameRequired.ValidationGroup = this.UniqueID;
 101
 102                                 passwordTextBox = new TextBox ();
 103                                 passwordTextBox.ID = "Password";
 104                                 passwordTextBox.TextMode = TextBoxMode.Password;
 105
 106                                 passwordRequired = new RequiredFieldValidator ();
 107                                 passwordRequired.ID = "PasswordRequired";
 108                                 passwordRequired.ControlToValidate = passwordTextBox.ID;
 109                                 passwordRequired.ErrorMessage = "*";
 110                                 passwordRequired.ValidationGroup = this.UniqueID;
 111
 112                                 rememberMeCheckBox = new CheckBox ();
 113                                 rememberMeCheckBox.ID = "RememberMe";
 114                                 rememberMeCheckBox.Checked = _login.RememberMeSet;
 115
 116                                 switch (_login.LoginButtonType) {
 117                                         case ButtonType.Button:
 118                                                 loginButton = new Button ();
 119                                                 loginButton.ID = "LoginButton";
 120                                                 break;
 121                                         case ButtonType.Link:
 122                                                 loginButton = new LinkButton ();
 123                                                 loginButton.ID = "LoginLinkButton";
 124                                                 break;
 125                                         case ButtonType.Image:
 126                                                 loginButton = new ImageButton ();
 127                                                 loginButton.ID = "LoginImageButton";
 128                                                 break;
 129                                 }
 130                                 IButtonControl control = (loginButton as IButtonControl);
 131                                 control.Text = _login.LoginButtonText;
 132                                 control.CommandName = Login.LoginButtonCommandName;
 133                                 control.Command += new CommandEventHandler (_login.LoginClick);
 134                                 control.ValidationGroup = this.UniqueID;
 135
 136                                 // adds them all at the end (after setting their properties)
 137                                 Controls.Add (userNameTextBox);
 138                                 Controls.Add (userNameRequired);
 139                                 Controls.Add (passwordTextBox);
 140                                 Controls.Add (passwordRequired);
 141                                 Controls.Add (rememberMeCheckBox);
 142                                 Controls.Add (loginButton);
 143                         }
 144
 145                         [MonoTODO ("render error messages")]
 146                         [MonoTODO ("set child control properties in ITemplate.InstantiateIn and let them render themself")]
 147                         protected internal override void Render(HtmlTextWriter writer) {
 148                                 userNameRequired.ToolTip = _login.UserNameRequiredErrorMessage;
 149                                 passwordRequired.ToolTip = _login.PasswordRequiredErrorMessage;
 150
 151                                 bool vertical = (_login.Orientation == Orientation.Vertical);
 152                                 bool textontop = (_login.TextLayout == LoginTextLayout.TextOnTop);
 153                                 string colspan = vertical ? (textontop ? String.Empty : "2") : (textontop ? "4" : "6");
 154                                 string align = (textontop ? "left" : "right");
 155
 156                                 // inner table
 157                                 writer.AddAttribute (HtmlTextWriterAttribute.Cellpadding, "0");
 158                                 writer.AddAttribute (HtmlTextWriterAttribute.Border, "0");
 159                                 writer.RenderBeginTag (HtmlTextWriterTag.Table);
 160
 161                                 // First row - Title
 162                                 // for both Orientation.Vertical and Orientation.Horizontal
 163
 164                                 writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 165                                 writer.AddAttribute (HtmlTextWriterAttribute.Align, "center");
 166                                 if (colspan.Length > 0)
 167                                         writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 168                                 if (!_login.IsEmpty (_login.titleTextStyle))
 169                                         _login.titleTextStyle.AddAttributesToRender (writer);
 170                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 171                                 writer.Write (_login.TitleText);
 172                                 writer.RenderEndTag ();
 173                                 writer.RenderEndTag ();
 174
 175                                 // Second row - Instructions (optional)
 176                                 // for both Orientation.Vertical and Orientation.Horizontal
 177
 178                                 string instructions = _login.InstructionText;
 179                                 if (instructions.Length > 0) {
 180                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 181                                         writer.AddAttribute (HtmlTextWriterAttribute.Align, "center");
 182                                         if (colspan.Length > 0)
 183                                                 writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 184                                         if (!_login.IsEmpty (_login.instructionTextStyle))
 185                                                 _login.instructionTextStyle.AddAttributesToRender (writer);
 186                                         writer.RenderBeginTag (HtmlTextWriterTag.Td);
 187                                         writer.Write (instructions);
 188                                         writer.RenderEndTag ();
 189                                         writer.RenderEndTag ();
 190                                 }
 191
 192                                 // Third Row
 193                                 // - Orientation.Vertical == Username
 194                                 // - Orientation.Horizontal == Username, Password, RememberMe and LogIn button
 195
 196                                 if (!vertical && textontop) {
 197                                         RenderUserNameTextBox (writer);
 198                                         RenderPasswordTextBox (writer);
 199                                 }
 200
 201                                 writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 202                                 if (vertical) {
 203                                         writer.AddAttribute (HtmlTextWriterAttribute.Align, align);
 204                                         RenderUserNameTextBox (writer);
 205                                 } else if (!textontop) {
 206                                         RenderUserNameTextBox (writer);
 207                                 }
 208                                 if (vertical && textontop) {
 209                                         writer.RenderEndTag ();
 210                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 211                                 }
 212                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 213                                 if (!_login.IsEmpty (_login.textBoxStyle))
 214                                         _login.textBoxStyle.AddAttributesToRender (writer);
 215                                 userNameTextBox.RenderControl (writer);
 216                                 userNameRequired.RenderControl (writer);
 217                                 writer.RenderEndTag ();
 218                                 if (vertical)
 219                                         writer.RenderEndTag ();
 220
 221                                 if (vertical) {
 222                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 223                                         writer.AddAttribute (HtmlTextWriterAttribute.Align, align);
 224                                         RenderPasswordTextBox (writer);
 225                                 } else if (!textontop) {
 226                                         RenderPasswordTextBox (writer);
 227                                 }
 228                                 if (vertical && textontop) {
 229                                         writer.RenderEndTag ();
 230                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 231                                 }
 232                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 233                                 if (!_login.IsEmpty (_login.textBoxStyle))
 234                                         _login.textBoxStyle.AddAttributesToRender (writer);
 235                                 passwordTextBox.RenderControl (writer);
 236                                 passwordRequired.RenderControl (writer);
 237                                 writer.RenderEndTag ();
 238                                 if (vertical)
 239                                         writer.RenderEndTag ();
 240
 241                                 if (_login.DisplayRememberMe) {
 242                                         if (vertical) {
 243                                                 writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 244                                                 if (colspan.Length > 0)
 245                                                         writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 246                                         }
 247                                         writer.RenderBeginTag (HtmlTextWriterTag.Td);
 248                                         rememberMeCheckBox.RenderControl (writer);
 249                                         writer.AddAttribute (HtmlTextWriterAttribute.For, rememberMeCheckBox.ClientID);
 250                                         writer.RenderBeginTag (HtmlTextWriterTag.Label);
 251                                         writer.Write (_login.RememberMeText);
 252                                         writer.RenderEndTag ();
 253                                         writer.RenderEndTag ();
 254                                         if (vertical)
 255                                                 writer.RenderEndTag ();
 256                                 }
 257
 258                                 // TODO - detect failure
 259                                 bool failed = false;
 260                                 if (failed) {
 261                                         if (vertical)
 262                                                 writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 263                                         if (colspan.Length > 0)
 264                                                 writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 265                                         writer.AddAttribute (HtmlTextWriterAttribute.Align, "center");
 266                                         writer.AddStyleAttribute (HtmlTextWriterStyle.Color, "red");
 267                                         if (!_login.IsEmpty (_login.failureTextStyle)) {
 268                                                 _login.failureTextStyle.AddAttributesToRender (writer);
 269                                         }
 270                                         writer.Write (_login.FailureText);
 271                                         writer.RenderEndTag ();
 272                                         if (vertical)
 273                                                 writer.RenderEndTag ();
 274                                 }
 275
 276                                 // LoginButton
 277                                 if (vertical) {
 278                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 279                                         writer.AddAttribute (HtmlTextWriterAttribute.Align, "right");
 280                                         if (colspan.Length > 0)
 281                                                 writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 282                                 }
 283                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 284                                 if (!_login.IsEmpty (_login.logonButtonStyle)) {
 285                                         _login.logonButtonStyle.AddAttributesToRender (writer);
 286                                 }
 287                                 if (loginButton is ImageButton) {
 288                                         (loginButton as ImageButton).ImageUrl = _login.LoginButtonImageUrl;
 289                                 }
 290                                 loginButton.RenderControl (writer);
 291                                 writer.RenderEndTag ();
 292                                 writer.RenderEndTag ();
 293
 294                                 bool userText = (_login.CreateUserText.Length > 0);
 295                                 bool userImg = (_login.CreateUserIconUrl.Length > 0);
 296                                 bool passText = (_login.PasswordRecoveryText.Length > 0);
 297                                 bool passImg = (_login.PasswordRecoveryIconUrl.Length > 0);
 298                                 bool helpText = (_login.HelpPageText.Length > 0);
 299                                 bool helpImg = (_login.HelpPageIconUrl.Length > 0);
 300                                 // show row if CreateUserText or CreateUserIconUrl is set
 301                                 // but not if only CreateUserUrl is set
 302                                 if (userText || userImg || passText || passImg || helpText || helpImg) {
 303                                         writer.RenderBeginTag (HtmlTextWriterTag.Tr);
 304                                         if (colspan.Length > 0)
 305                                                 writer.AddAttribute (HtmlTextWriterAttribute.Colspan, colspan);
 306                                         writer.RenderBeginTag (HtmlTextWriterTag.Td);
 307
 308                                         if (userImg) {
 309                                                 writer.AddAttribute (HtmlTextWriterAttribute.Src, _login.CreateUserIconUrl);
 310                                                 writer.AddStyleAttribute (HtmlTextWriterStyle.BorderWidth, "0px");
 311                                                 if (userText)
 312                                                         writer.AddAttribute (HtmlTextWriterAttribute.Alt, _login.CreateUserText);
 313                                                 writer.RenderBeginTag (HtmlTextWriterTag.Img);
 314                                                 writer.RenderEndTag ();
 315                                         }
 316
 317                                         if (userText) {
 318                                                 string href = _login.CreateUserUrl;
 319                                                 if (href.Length > 0)
 320                                                         writer.AddAttribute (HtmlTextWriterAttribute.Href, href);
 321                                                 if (_login.hyperLinkStyle != null)
 322                                                         _login.hyperLinkStyle.AddAttributesToRender (writer);
 323                                                 writer.RenderBeginTag (HtmlTextWriterTag.A);
 324                                                 writer.Write (_login.CreateUserText);
 325                                                 writer.RenderEndTag ();
 326                                         }
 327
 328                                         if (passText || passImg) {
 329                                                 if (userImg || userText) {
 330                                                         if (vertical) {
 331                                                                 writer.Write ("<br />");
 332                                                         } else {
 333                                                                 writer.Write (" ");
 334                                                         }
 335                                                 }
 336
 337                                                 if (passImg) {
 338                                                         writer.AddAttribute (HtmlTextWriterAttribute.Src, _login.PasswordRecoveryIconUrl);
 339                                                         writer.AddStyleAttribute (HtmlTextWriterStyle.BorderWidth, "0px");
 340                                                         if (passText)
 341                                                                 writer.AddAttribute (HtmlTextWriterAttribute.Alt, _login.PasswordRecoveryText);
 342                                                         writer.RenderBeginTag (HtmlTextWriterTag.Img);
 343                                                         writer.RenderEndTag ();
 344                                                 }
 345
 346                                                 if (passText) {
 347                                                         string href = _login.PasswordRecoveryUrl;
 348                                                         if (href.Length > 0)
 349                                                                 writer.AddAttribute (HtmlTextWriterAttribute.Href, href);
 350                                                         if (_login.hyperLinkStyle != null)
 351                                                                 _login.hyperLinkStyle.AddAttributesToRender (writer);
 352                                                         writer.RenderBeginTag (HtmlTextWriterTag.A);
 353                                                         writer.Write (_login.PasswordRecoveryText);
 354                                                         writer.RenderEndTag ();
 355                                                 }
 356                                         }
 357
 358                                         if (helpText || helpImg) {
 359                                                 if (userImg || userText || passText || passImg) {
 360                                                         if (vertical) {
 361                                                                 writer.Write ("<br />");
 362                                                         } else {
 363                                                                 writer.Write (" ");
 364                                                         }
 365                                                 }
 366
 367                                                 if (helpImg) {
 368                                                         writer.AddAttribute (HtmlTextWriterAttribute.Src, _login.HelpPageIconUrl);
 369                                                         writer.AddStyleAttribute (HtmlTextWriterStyle.BorderWidth, "0px");
 370                                                         if (helpText)
 371                                                                 writer.AddAttribute (HtmlTextWriterAttribute.Alt, _login.HelpPageText);
 372                                                         writer.RenderBeginTag (HtmlTextWriterTag.Img);
 373                                                         writer.RenderEndTag ();
 374                                                 }
 375
 376                                                 if (helpText) {
 377                                                         string href = _login.HelpPageUrl;
 378                                                         if (href.Length > 0)
 379                                                                 writer.AddAttribute (HtmlTextWriterAttribute.Href, href);
 380                                                         if (_login.hyperLinkStyle != null)
 381                                                                 _login.hyperLinkStyle.AddAttributesToRender (writer);
 382                                                         writer.RenderBeginTag (HtmlTextWriterTag.A);
 383                                                         writer.Write (_login.HelpPageText);
 384                                                         writer.RenderEndTag ();
 385                                                 }
 386                                         }
 387
 388                                         writer.RenderEndTag ();
 389                                         writer.RenderEndTag ();
 390                                 }
 391
 392                                 // inner table (end)
 393                                 writer.RenderEndTag (); // Table
 394                         }
 395
 396                         private void RenderUserNameTextBox (HtmlTextWriter writer) {
 397                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 398                                 writer.AddAttribute (HtmlTextWriterAttribute.For, userNameTextBox.ClientID);
 399                                 writer.RenderBeginTag (HtmlTextWriterTag.Label);
 400                                 writer.Write (_login.UserNameLabelText);
 401                                 writer.RenderEndTag ();
 402                                 writer.RenderEndTag ();
 403                         }
 404
 405                         private void RenderPasswordTextBox (HtmlTextWriter writer) {
 406                                 writer.RenderBeginTag (HtmlTextWriterTag.Td);
 407                                 writer.AddAttribute (HtmlTextWriterAttribute.For, passwordTextBox.ClientID);
 408                                 writer.RenderBeginTag (HtmlTextWriterTag.Label);
 409                                 writer.Write (_login.PasswordLabelText);
 410                                 writer.RenderEndTag ();
 411                                 writer.RenderEndTag ();
 412                         }
 413                 }
 414
 415                 #endregion
 416
 417                 public static readonly string LoginButtonCommandName = "Login";
 418
 419                 private static readonly object authenticateEvent = new object ();
 420                 private static readonly object loggedInEvent = new object ();
 421                 private static readonly object loggingInEvent = new object ();
 422                 private static readonly object loginErrorEvent = new object ();
 423
 424                 private TableItemStyle checkBoxStyle;
 425                 private TableItemStyle failureTextStyle;
 426                 private TableItemStyle hyperLinkStyle;
 427                 private TableItemStyle instructionTextStyle;
 428                 private TableItemStyle labelStyle;
 429                 private Style logonButtonStyle;
 430                 private Style textBoxStyle;
 431                 private TableItemStyle titleTextStyle;
 432                 private Style validatorTextStyle;
 433
 434                 private ITemplate layoutTemplate;
 435
 436                 private string _password;
 437
 438
 439                 public Login ()
 440                 {
 441                 }
 442
 443
 444                 [DefaultValue (1)]
 445                 public virtual int BorderPadding {
 446                         get {
 447                                 object o = ViewState ["BorderPadding"];
 448                                 return (o == null) ? 1 : (int) o;
 449                         }
 450                         set {
 451                                 if (value < -1)
 452                                         throw new ArgumentOutOfRangeException ("BorderPadding", "< -1");
 453                                 else
 454                                         ViewState ["BorderPadding"] = value;
 455                         }
 456                 }
 457
 458                 [DefaultValue (null)]
 459                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 460                 [NotifyParentProperty (true)]
 461                 [PersistenceMode (PersistenceMode.InnerProperty)]
 462                 public TableItemStyle CheckBoxStyle {
 463                         get {
 464                                 if (checkBoxStyle == null) {
 465                                         checkBoxStyle = new TableItemStyle ();
 466                                         if (IsTrackingViewState) {
 467                                                 (checkBoxStyle as IStateManager).TrackViewState ();
 468                                         }
 469                                 }
 470                                 return checkBoxStyle;
 471                         }
 472                 }
 473
 474                 [DefaultValue ("")]
 475                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 476                 [UrlProperty]
 477                 public virtual string CreateUserIconUrl {
 478                         get {
 479                                 object o = ViewState ["CreateUserIconUrl"];
 480                                 return (o == null) ? String.Empty : (string) o;
 481                         }
 482                         set {
 483                                 if (value == null)
 484                                         ViewState.Remove ("CreateUserIconUrl");
 485                                 else
 486                                         ViewState ["CreateUserIconUrl"] = value;
 487                         }
 488                 }
 489
 490                 [DefaultValue ("")]
 491                 [Localizable (true)]
 492                 public virtual string CreateUserText {
 493                         get {
 494                                 object o = ViewState ["CreateUserText"];
 495                                 return (o == null) ? String.Empty : (string) o;
 496                         }
 497                         set {
 498                                 if (value == null)
 499                                         ViewState.Remove ("CreateUserText");
 500                                 else
 501                                         ViewState ["CreateUserText"] = value;
 502                         }
 503                 }
 504
 505                 [DefaultValue ("")]
 506                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 507                 [UrlProperty]
 508                 public virtual string CreateUserUrl {
 509                         get {
 510                                 object o = ViewState ["CreateUserUrl"];
 511                                 return (o == null) ? String.Empty : (string) o;
 512                         }
 513                         set {
 514                                 if (value == null)
 515                                         ViewState.Remove ("CreateUserUrl");
 516                                 else
 517                                         ViewState ["CreateUserUrl"] = value;
 518                         }
 519                 }
 520
 521                 [DefaultValue ("")]
 522                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 523                 [Themeable (false)]
 524                 [UrlProperty]
 525                 public virtual string DestinationPageUrl {
 526                         get {
 527                                 object o = ViewState ["DestinationPageUrl"];
 528                                 return (o == null) ? String.Empty : (string) o;
 529                         }
 530                         set {
 531                                 if (value == null)
 532                                         ViewState.Remove ("DestinationPageUrl");
 533                                 else
 534                                         ViewState ["DestinationPageUrl"] = value;
 535                         }
 536                 }
 537
 538                 [DefaultValue (true)]
 539                 [Themeable (false)]
 540                 public virtual bool DisplayRememberMe {
 541                         get {
 542                                 object o = ViewState ["DisplayRememberMe"];
 543                                 return (o == null) ? true : (bool) o;
 544                         }
 545                         set {
 546                                 ViewState ["DisplayRememberMe"] = value;
 547                         }
 548                 }
 549
 550                 [DefaultValue (LoginFailureAction.Refresh)]
 551                 [Themeable (false)]
 552                 [MonoTODO ("RedirectToLoginPage not yet implemented in FormsAuthentication")]
 553                 public virtual LoginFailureAction FailureAction {
 554                         get {
 555                                 object o = ViewState ["FailureAction"];
 556                                 return (o == null) ? LoginFailureAction.Refresh : (LoginFailureAction) o;
 557                         }
 558                         set {
 559                                 if ((value < LoginFailureAction.Refresh) || (value > LoginFailureAction.RedirectToLoginPage))
 560                                         throw new ArgumentOutOfRangeException ("FailureAction");
 561                                 ViewState ["FailureAction"] = (int) value;
 562                         }
 563                 }
 564
 565                 [Localizable (true)]
 566                 public virtual string FailureText {
 567                         get {
 568                                 object o = ViewState ["FailureText"];
 569                                 return (o == null) ? Locale.GetText ("Your login attempt was not successful. Please try again.") : (string) o;
 570                         }
 571                         set {
 572                                 if (value == null)
 573                                         ViewState.Remove ("FailureText");
 574                                 else
 575                                         ViewState ["FailureText"] = value;
 576                         }
 577                 }
 578
 579                 [DefaultValue (null)]
 580                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 581                 [NotifyParentProperty (true)]
 582                 [PersistenceMode (PersistenceMode.InnerProperty)]
 583                 public TableItemStyle FailureTextStyle {
 584                         get {
 585                                 if (failureTextStyle == null) {
 586                                         failureTextStyle = new TableItemStyle ();
 587                                         if (IsTrackingViewState) {
 588                                                 (failureTextStyle as IStateManager).TrackViewState ();
 589                                         }
 590                                 }
 591                                 return failureTextStyle;
 592                         }
 593                 }
 594
 595                 [DefaultValue ("")]
 596                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 597                 [UrlProperty]
 598                 public virtual string HelpPageIconUrl {
 599                         get {
 600                                 object o = ViewState ["HelpPageIconUrl"];
 601                                 return (o == null) ? String.Empty : (string) o;
 602                         }
 603                         set {
 604                                 if (value == null)
 605                                         ViewState.Remove ("HelpPageIconUrl");
 606                                 else
 607                                         ViewState ["HelpPageIconUrl"] = value;
 608                         }
 609                 }
 610
 611                 [DefaultValue ("")]
 612                 [Localizable (true)]
 613                 public virtual string HelpPageText {
 614                         get {
 615                                 object o = ViewState ["HelpPageText"];
 616                                 return (o == null) ? String.Empty : (string) o;
 617                         }
 618                         set {
 619                                 if (value == null)
 620                                         ViewState.Remove ("HelpPageText");
 621                                 else
 622                                         ViewState ["HelpPageText"] = value;
 623                         }
 624                 }
 625
 626                 [DefaultValue ("")]
 627                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 628                 [UrlProperty]
 629                 public virtual string HelpPageUrl {
 630                         get {
 631                                 object o = ViewState ["HelpPageUrl"];
 632                                 return (o == null) ? String.Empty : (string) o;
 633                         }
 634                         set {
 635                                 if (value == null)
 636                                         ViewState.Remove ("HelpPageUrl");
 637                                 else
 638                                         ViewState ["HelpPageUrl"] = value;
 639                         }
 640                 }
 641
 642                 [DefaultValue (null)]
 643                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 644                 [NotifyParentProperty (true)]
 645                 [PersistenceMode (PersistenceMode.InnerProperty)]
 646                 public TableItemStyle HyperLinkStyle {
 647                         get {
 648                                 if (hyperLinkStyle == null) {
 649                                         hyperLinkStyle = new TableItemStyle ();
 650                                         if (IsTrackingViewState) {
 651                                                 (hyperLinkStyle  as IStateManager).TrackViewState ();
 652                                         }
 653                                 }
 654                                 return hyperLinkStyle;
 655                         }
 656                 }
 657
 658                 [DefaultValue ("")]
 659                 [Localizable (true)]
 660                 public virtual string InstructionText {
 661                         get {
 662                                 object o = ViewState ["InstructionText"];
 663                                 return (o == null) ? String.Empty : (string) o;
 664                         }
 665                         set {
 666                                 if (value == null)
 667                                         ViewState.Remove ("InstructionText");
 668                                 else
 669                                         ViewState ["InstructionText"] = value;
 670                         }
 671                 }
 672
 673                 [DefaultValue (null)]
 674                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 675                 [NotifyParentProperty (true)]
 676                 [PersistenceMode (PersistenceMode.InnerProperty)]
 677                 public TableItemStyle InstructionTextStyle {
 678                         get {
 679                                 if (instructionTextStyle == null) {
 680                                         instructionTextStyle = new TableItemStyle ();
 681                                         if (IsTrackingViewState) {
 682                                                 (instructionTextStyle as IStateManager).TrackViewState ();
 683                                         }
 684                                 }
 685                                 return instructionTextStyle;
 686                         }
 687                 }
 688
 689                 [DefaultValue (null)]
 690                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 691                 [NotifyParentProperty (true)]
 692                 [PersistenceMode (PersistenceMode.InnerProperty)]
 693                 public TableItemStyle LabelStyle {
 694                         get {
 695                                 if (labelStyle == null) {
 696                                         labelStyle = new TableItemStyle ();
 697                                         if (IsTrackingViewState) {
 698                                                 (labelStyle as IStateManager).TrackViewState ();
 699                                         }
 700                                 }
 701                                 return labelStyle;
 702                         }
 703                 }
 704
 705                 [Browsable (false)]
 706                 [TemplateContainer (typeof (Login))]
 707                 [PersistenceMode (PersistenceMode.InnerProperty)]
 708                 public virtual ITemplate LayoutTemplate {
 709                         get { return layoutTemplate; }
 710                         set { layoutTemplate = value; }
 711                 }
 712
 713                 [DefaultValue ("")]
 714                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 715                 [UrlProperty]
 716                 public virtual string LoginButtonImageUrl {
 717                         get {
 718                                 object o = ViewState ["LoginButtonImageUrl"];
 719                                 return (o == null) ? String.Empty : (string) o;
 720                         }
 721                         set {
 722                                 if (value == null)
 723                                         ViewState.Remove ("LoginButtonImageUrl");
 724                                 else
 725                                         ViewState ["LoginButtonImageUrl"] = value;
 726                         }
 727                 }
 728
 729                 [DefaultValue (null)]
 730                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 731                 [NotifyParentProperty (true)]
 732                 [PersistenceMode (PersistenceMode.InnerProperty)]
 733                 public Style LoginButtonStyle {
 734                         get {
 735                                 if (logonButtonStyle == null) {
 736                                         logonButtonStyle = new Style ();
 737                                         if (IsTrackingViewState) {
 738                                                 (logonButtonStyle as IStateManager).TrackViewState ();
 739                                         }
 740                                 }
 741                                 return logonButtonStyle;
 742                         }
 743                 }
 744
 745                 [Localizable (true)]
 746                 public virtual string LoginButtonText {
 747                         get {
 748                                 object o = ViewState ["LoginButtonText"];
 749                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 750                         }
 751                         set {
 752                                 if (value == null)
 753                                         ViewState.Remove ("LoginButtonText");
 754                                 else
 755                                         ViewState ["LoginButtonText"] = value;
 756                         }
 757                 }
 758
 759                 [DefaultValue (ButtonType.Button)]
 760                 public virtual ButtonType LoginButtonType {
 761                         get {
 762                                 object o = ViewState ["LoginButtonType"];
 763                                 return (o == null) ? ButtonType.Button : (ButtonType) o;
 764                         }
 765                         set {
 766                                 if ((value < ButtonType.Button) || (value > ButtonType.Link))
 767                                         throw new ArgumentOutOfRangeException ("LoginButtonType");
 768                                 ViewState ["LoginButtonType"] = (int) value;
 769                         }
 770                 }
 771
 772                 [DefaultValue ("")]
 773                 [Themeable (false)]
 774                 public virtual string MembershipProvider {
 775                         get {
 776                                 object o = ViewState ["MembershipProvider"];
 777                                 return (o == null) ? String.Empty : (string) o;
 778                         }
 779                         set {
 780                                 if (value == null)
 781                                         ViewState.Remove ("MembershipProvider");
 782                                 else
 783                                         ViewState ["MembershipProvider"] = value;
 784                         }
 785                 }
 786
 787                 [DefaultValue (Orientation.Vertical)]
 788                 public virtual Orientation Orientation {
 789                         get {
 790                                 object o = ViewState ["Orientation"];
 791                                 return (o == null) ? Orientation.Vertical : (Orientation) o;
 792                         }
 793                         set {
 794                                 if ((value < Orientation.Horizontal) || (value > Orientation.Vertical))
 795                                         throw new ArgumentOutOfRangeException ("Orientation");
 796                                 ViewState ["Orientation"] = (int) value;
 797                         }
 798                 }
 799
 800                 [Browsable (false)]
 801                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 802                 public virtual string Password {
 803                         get {
 804                                 return _password != null ? _password : String.Empty;
 805                         }
 806                 }
 807
 808                 [Localizable (true)]
 809                 public virtual string PasswordLabelText {
 810                         get {
 811                                 object o = ViewState ["PasswordLabelText"];
 812                                 return (o == null) ? "Password:" : (string) o;
 813                         }
 814                         set {
 815                                 if (value == null)
 816                                         ViewState.Remove ("PasswordLabelText");
 817                                 else
 818                                         ViewState ["PasswordLabelText"] = value;
 819                         }
 820                 }
 821
 822                 [DefaultValue ("")]
 823                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 824                 [UrlProperty]
 825                 public virtual string PasswordRecoveryIconUrl {
 826                         get {
 827                                 object o = ViewState ["PasswordRecoveryIconUrl"];
 828                                 return (o == null) ? String.Empty : (string) o;
 829                         }
 830                         set {
 831                                 if (value == null)
 832                                         ViewState.Remove ("PasswordRecoveryIconUrl");
 833                                 else
 834                                         ViewState ["PasswordRecoveryIconUrl"] = value;
 835                         }
 836                 }
 837
 838                 [DefaultValue ("")]
 839                 [Localizable (true)]
 840                 public virtual string PasswordRecoveryText {
 841                         get {
 842                                 object o = ViewState ["PasswordRecoveryText"];
 843                                 return (o == null) ? String.Empty : (string) o;
 844                         }
 845                         set {
 846                                 if (value == null)
 847                                         ViewState.Remove ("PasswordRecoveryText");
 848                                 else
 849                                         ViewState ["PasswordRecoveryText"] = value;
 850                         }
 851                 }
 852
 853                 [DefaultValue ("")]
 854                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 855                 [UrlProperty]
 856                 public virtual string PasswordRecoveryUrl {
 857                         get {
 858                                 object o = ViewState ["PasswordRecoveryUrl"];
 859                                 return (o == null) ? String.Empty : (string) o;
 860                         }
 861                         set {
 862                                 if (value == null)
 863                                         ViewState.Remove ("PasswordRecoveryUrl");
 864                                 else
 865                                         ViewState ["PasswordRecoveryUrl"] = value;
 866                         }
 867                 }
 868
 869                 [Localizable (true)]
 870                 public virtual string PasswordRequiredErrorMessage {
 871                         get {
 872                                 object o = ViewState ["PasswordRequiredErrorMessage"];
 873                                 return (o == null) ? Locale.GetText ("Password is required.") : (string) o;
 874                         }
 875                         set {
 876                                 if (value == null)
 877                                         ViewState.Remove ("PasswordRequiredErrorMessage");
 878                                 else
 879                                         ViewState ["PasswordRequiredErrorMessage"] = value;
 880                         }
 881                 }
 882
 883                 [DefaultValue (false)]
 884                 [Themeable (false)]
 885                 public virtual bool RememberMeSet {
 886                         get {
 887                                 object o = ViewState ["RememberMeSet"];
 888                                 return (o == null) ? false : (bool) o;
 889                         }
 890                         set {
 891                                 ViewState ["RememberMeSet"] = value;
 892                         }
 893                 }
 894
 895                 [Localizable (true)]
 896                 public virtual string RememberMeText {
 897                         get {
 898                                 object o = ViewState ["RememberMeText"];
 899                                 return (o == null) ? Locale.GetText ("Remember me next time.") : (string) o;
 900                         }
 901                         set {
 902                                 if (value == null)
 903                                         ViewState.Remove ("RememberMeText");
 904                                 else
 905                                         ViewState ["RememberMeText"] = value;
 906                         }
 907                 }
 908
 909                 protected override HtmlTextWriterTag TagKey {
 910                         get { return HtmlTextWriterTag.Table; }
 911                 }
 912
 913                 [DefaultValue (null)]
 914                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 915                 [NotifyParentProperty (true)]
 916                 [PersistenceMode (PersistenceMode.InnerProperty)]
 917                 public Style TextBoxStyle {
 918                         get {
 919                                 if (textBoxStyle == null) {
 920                                         textBoxStyle = new Style ();
 921                                         if (IsTrackingViewState) {
 922                                                 (textBoxStyle as IStateManager).TrackViewState ();
 923                                         }
 924                                 }
 925                                 return textBoxStyle;
 926                         }
 927                 }
 928
 929                 [DefaultValue (LoginTextLayout.TextOnLeft)]
 930                 public virtual LoginTextLayout TextLayout {
 931                         get {
 932                                 object o = ViewState ["TextLayout"];
 933                                 return (o == null) ? LoginTextLayout.TextOnLeft : (LoginTextLayout) o;
 934                         }
 935                         set {
 936                                 if ((value < LoginTextLayout.TextOnLeft) || (value > LoginTextLayout.TextOnTop))
 937                                         throw new ArgumentOutOfRangeException ("TextLayout");
 938                                 ViewState ["TextLayout"] = (int) value;
 939                         }
 940                 }
 941
 942                 [Localizable (true)]
 943                 public virtual string TitleText {
 944                         get {
 945                                 object o = ViewState ["TitleText"];
 946                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 947                         }
 948                         set {
 949                                 if (value == null)
 950                                         ViewState.Remove ("TitleText");
 951                                 else
 952                                         ViewState ["TitleText"] = value;
 953                         }
 954                 }
 955
 956                 [DefaultValue (null)]
 957                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 958                 [NotifyParentProperty (true)]
 959                 [PersistenceMode (PersistenceMode.InnerProperty)]
 960                 public TableItemStyle TitleTextStyle {
 961                         get {
 962                                 if (titleTextStyle == null) {
 963                                         titleTextStyle = new TableItemStyle ();
 964                                         if (IsTrackingViewState) {
 965                                                 (titleTextStyle as IStateManager).TrackViewState ();
 966                                         }
 967                                 }
 968                                 return titleTextStyle;
 969                         }
 970                 }
 971
 972                 [DefaultValue ("")]
 973                 public virtual string UserName {
 974                         get {
 975                                 object o = ViewState ["UserName"];
 976                                 return (o == null) ? String.Empty : (string) o;
 977                         }
 978                         set {
 979                                 if (value == null)
 980                                         ViewState.Remove ("UserName");
 981                                 else
 982                                         ViewState ["UserName"] = value;
 983                         }
 984                 }
 985
 986                 [Localizable (true)]
 987                 public virtual string UserNameLabelText {
 988                         get {
 989                                 object o = ViewState ["UserNameLabelText"];
 990                                 return (o == null) ? Locale.GetText ("User Name:") : (string) o;
 991                         }
 992                         set {
 993                                 if (value == null)
 994                                         ViewState.Remove ("UserNameLabelText");
 995                                 else
 996                                         ViewState ["UserNameLabelText"] = value;
 997                         }
 998                 }
 999
1000                 [Localizable (true)]
1001                 public virtual string UserNameRequiredErrorMessage {
1002                         get {
1003                                 object o = ViewState ["UserNameRequiredErrorMessage"];
1004                                 return (o == null) ? Locale.GetText ("User Name is required.") : (string) o;
1005                         }
1006                         set {
1007                                 if (value == null)
1008                                         ViewState.Remove ("UserNameRequiredErrorMessage");
1009                                 else
1010                                         ViewState ["UserNameRequiredErrorMessage"] = value;
1011                         }
1012                 }
1013
1014                 [DefaultValue (null)]
1015                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
1016                 [NotifyParentProperty (true)]
1017                 [PersistenceMode (PersistenceMode.InnerProperty)]
1018                 public Style ValidatorTextStyle {
1019                         get {
1020                                 if (validatorTextStyle == null) {
1021                                         validatorTextStyle = new Style ();
1022                                         if (IsTrackingViewState) {
1023                                                 (validatorTextStyle as IStateManager).TrackViewState ();
1024                                         }
1025                                 }
1026                                 return validatorTextStyle;
1027                         }
1028                 }
1029
1030                 [DefaultValue (true)]
1031                 [Themeable (false)]
1032                 public virtual bool VisibleWhenLoggedIn {
1033                         get {
1034                                 object o = ViewState ["VisibleWhenLoggedIn"];
1035                                 return (o == null) ? true : (bool) o;
1036                         }
1037                         set {
1038                                 ViewState ["VisibleWhenLoggedIn"] = value;
1039                         }
1040                 }
1041
1042
1043                 // methods
1044
1045                 protected internal override void CreateChildControls ()
1046                 {
1047                         Controls.Clear ();
1048
1049                         Table table = new Table ();
1050                         table.ID = ClientID;
1051                         table.CellSpacing = 0;
1052                         table.CellPadding = BorderPadding;
1053
1054                         TableRow row = new TableRow ();
1055                         table.Rows.Add (row);
1056                         TableCell cell = new TableCell ();
1057                         row.Cells.Add (cell);
1058
1059                         Controls.Add (table);
1060
1061                         LoginContainer container = new LoginContainer ();
1062                         cell.Controls.Add (container);
1063
1064                         ITemplate template = LayoutTemplate;
1065                         if (template == null)
1066                                 template = new LoginTemplate (this);
1067
1068                         template.InstantiateIn (container);
1069
1070                         IEditableTextControl editable;
1071
1072                         editable = container.UserNameTextBox as IEditableTextControl;
1073
1074                         if (editable != null)
1075                                 editable.TextChanged += new EventHandler (UserName_TextChanged);
1076
1077                         editable = container.PasswordTextBox as IEditableTextControl;
1078
1079                         if (editable != null)
1080                                 editable.TextChanged += new EventHandler (Password_TextChanged);
1081
1082                         ICheckBoxControl checkBox = container.RememberMeCheckBox as ICheckBoxControl;
1083
1084                         if (checkBox != null)
1085                                 checkBox.CheckedChanged += new EventHandler (RememberMe_CheckedChanged);
1086
1087                 }
1088
1089                 protected override void LoadViewState (object savedState)
1090                 {
1091                         if (savedState == null) {
1092                                 base.LoadViewState (null);
1093                                 return;
1094                         }
1095
1096                         object[] state = (object[]) savedState;
1097                         base.LoadViewState (state [0]);
1098                         if (state [1] != null)
1099                                 (LoginButtonStyle as IStateManager).LoadViewState (state [1]);
1100                         if (state [2] != null)
1101                                 (LabelStyle as IStateManager).LoadViewState (state [2]);
1102                         if (state [3] != null)
1103                                 (TextBoxStyle as IStateManager).LoadViewState (state [3]);
1104                         if (state [4] != null)
1105                                 (HyperLinkStyle as IStateManager).LoadViewState (state [4]);
1106                         if (state [5] != null)
1107                                 (InstructionTextStyle as IStateManager).LoadViewState (state [5]);
1108                         if (state [6] != null)
1109                                 (TitleTextStyle as IStateManager).LoadViewState (state [6]);
1110                         if (state [7] != null)
1111                                 (CheckBoxStyle as IStateManager).LoadViewState (state [7]);
1112                         if (state [8] != null)
1113                                 (FailureTextStyle as IStateManager).LoadViewState (state [8]);
1114                         if (state [9] != null)
1115                                 (ValidatorTextStyle as IStateManager).LoadViewState (state [9]);
1116                 }
1117
1118                 protected virtual void OnAuthenticate (AuthenticateEventArgs e)
1119                 {
1120                         // this gets called after OnLoggingIn and the authentication so we can change the result
1121                         AuthenticateEventHandler authenticate = (AuthenticateEventHandler) Events [authenticateEvent];
1122                         if (authenticate != null)
1123                                 authenticate (this, e);
1124                 }
1125
1126                 protected override bool OnBubbleEvent (object source, EventArgs e)
1127                 {
1128                         // check for submit button
1129                         CommandEventArgs cea = (e as CommandEventArgs);
1130                         if ((cea != null) && (cea.CommandName == LoginButtonCommandName)) {
1131                                 AuthenticateUser ();
1132                                 return true;
1133                         }
1134                         return false;
1135                 }
1136
1137                 protected virtual void OnLoggedIn (EventArgs e)
1138                 {
1139                         // this gets called only if the authentication was successful
1140                         EventHandler loggedIn = (EventHandler) Events [loggedInEvent];
1141                         if (loggedIn != null)
1142                                 loggedIn (this, e);
1143                 }
1144
1145                 protected virtual void OnLoggingIn (LoginCancelEventArgs e)
1146                 {
1147                         // this gets called before OnAuthenticate so we can abort the authentication process
1148                         LoginCancelEventHandler loggingIn = (LoginCancelEventHandler) Events [loggingInEvent];
1149                         if (loggingIn != null)
1150                                 loggingIn (this, e);
1151                 }
1152
1153                 protected virtual void OnLoginError (EventArgs e)
1154                 {
1155                         // this gets called only if the authentication wasn't successful
1156                         EventHandler loginError = (EventHandler) Events [loginErrorEvent];
1157                         if (loginError != null)
1158                                 loginError (this, e);
1159                 }
1160
1161                 [MonoTODO ("overriden for ?")]
1162                 protected internal override void OnPreRender (EventArgs e)
1163                 {
1164                         base.OnPreRender (e);
1165                         // note: doc says that UserName and Password aren't available at
1166                         // PageLoad but are during PreRender phase, so... ???
1167                 }
1168
1169                 protected internal override void Render (HtmlTextWriter writer)
1170                 {
1171                         // VisibleWhenLoggedIn isn't applicable to the default login page
1172                         if (!VisibleWhenLoggedIn && !IsDefaultLoginPage () && IsLoggedIn ())
1173                                 return;
1174
1175                         if (Page != null) {
1176                                 Page.VerifyRenderingInServerForm (this);
1177                         }
1178
1179                         EnsureChildControls ();
1180
1181                         RenderContents(writer);
1182                 }
1183
1184                 protected override object SaveViewState ()
1185                 {
1186                         object[] state = new object [10];
1187                         state [0] = base.SaveViewState ();
1188                         if (logonButtonStyle != null)
1189                                 state [1] = (logonButtonStyle as IStateManager).SaveViewState ();
1190                         if (labelStyle != null)
1191                                 state [2] = (labelStyle as IStateManager).SaveViewState ();
1192                         if (textBoxStyle != null)
1193                                 state [3] = (textBoxStyle as IStateManager).SaveViewState ();
1194                         if (hyperLinkStyle != null)
1195                                 state [4] = (hyperLinkStyle as IStateManager).SaveViewState ();
1196                         if (instructionTextStyle != null)
1197                                 state [5] = (instructionTextStyle as IStateManager).SaveViewState ();
1198                         if (titleTextStyle != null)
1199                                 state [6] = (titleTextStyle as IStateManager).SaveViewState ();
1200                         if (checkBoxStyle != null)
1201                                 state [7] = (checkBoxStyle as IStateManager).SaveViewState ();
1202                         if (failureTextStyle != null)
1203                                 state [8] = (failureTextStyle as IStateManager).SaveViewState ();
1204                         if (validatorTextStyle != null)
1205                                 state [9] = (validatorTextStyle as IStateManager).SaveViewState ();
1206
1207                         for (int i=0; i < state.Length; i++) {
1208                                 if (state [0] != null)
1209                                         return (object) state;
1210                         }
1211                         return null; // reduce view state
1212                 }
1213
1214                 [MonoTODO ("for design-time usage - no more details available")]
1215                 protected override void SetDesignModeState (IDictionary data)
1216                 {
1217                         base.SetDesignModeState (data);
1218                 }
1219
1220                 protected override void TrackViewState ()
1221                 {
1222                         base.TrackViewState ();
1223                         if (logonButtonStyle != null)
1224                                 (logonButtonStyle as IStateManager).TrackViewState ();
1225                         if (labelStyle != null)
1226                                 (labelStyle as IStateManager).TrackViewState ();
1227                         if (textBoxStyle != null)
1228                                 (textBoxStyle as IStateManager).TrackViewState ();
1229                         if (hyperLinkStyle != null)
1230                                 (hyperLinkStyle as IStateManager).TrackViewState ();
1231                         if (instructionTextStyle != null)
1232                                 (instructionTextStyle as IStateManager).TrackViewState ();
1233                         if (titleTextStyle != null)
1234                                 (titleTextStyle as IStateManager).TrackViewState ();
1235                         if (checkBoxStyle != null)
1236                                 (checkBoxStyle as IStateManager).TrackViewState ();
1237                         if (failureTextStyle != null)
1238                                 (failureTextStyle as IStateManager).TrackViewState ();
1239                         if (validatorTextStyle != null)
1240                                 (validatorTextStyle as IStateManager).TrackViewState ();
1241                 }
1242
1243
1244                 // events
1245
1246                 public event AuthenticateEventHandler Authenticate {
1247                         add { Events.AddHandler (authenticateEvent, value); }
1248                         remove { Events.RemoveHandler (authenticateEvent, value); }
1249                 }
1250
1251                 public event EventHandler LoggedIn {
1252                         add { Events.AddHandler (loggedInEvent, value); }
1253                         remove { Events.RemoveHandler (loggedInEvent, value); }
1254                 }
1255
1256                 public event LoginCancelEventHandler LoggingIn {
1257                         add { Events.AddHandler (loggingInEvent, value); }
1258                         remove { Events.RemoveHandler (loggingInEvent, value); }
1259                 }
1260
1261                 public event EventHandler LoginError {
1262                         add { Events.AddHandler (loginErrorEvent, value); }
1263                         remove { Events.RemoveHandler (loginErrorEvent, value); }
1264                 }
1265
1266
1267                 // private stuff
1268
1269                 private bool AuthenticateUser ()
1270                 {
1271                         LoginCancelEventArgs lcea = new LoginCancelEventArgs ();
1272                         OnLoggingIn (lcea);
1273                         if (lcea.Cancel)
1274                                 return true;
1275
1276                         string mp = MembershipProvider;
1277                         MembershipProvider provider = (mp.Length == 0) ?
1278                                 provider = Membership.Provider : Membership.Providers [mp];
1279                         if (provider == null) {
1280                                 throw new HttpException (Locale.GetText ("No provider named '{0}' could be found.", mp));
1281                         }
1282
1283                         AuthenticateEventArgs aea = new AuthenticateEventArgs ();
1284                         aea.Authenticated = provider.ValidateUser (UserName, Password);
1285                         OnAuthenticate (aea);
1286
1287                         if (aea.Authenticated) {
1288                                 string url = DestinationPageUrl;
1289                                 FormsAuthentication.SetAuthCookie (UserName, RememberMeSet);
1290                                 if (url.Length == 0) {
1291                                         Redirect (FormsAuthentication.LoginUrl);
1292                                 } else {
1293                                         Redirect (url);
1294                                 }
1295                                 OnLoggedIn (EventArgs.Empty);
1296                                 return true;
1297                         } else {
1298                                 OnLoginError (EventArgs.Empty);
1299                                 if (FailureAction == LoginFailureAction.RedirectToLoginPage) {
1300                                         // login page is defined in web.config
1301                                         FormsAuthentication.RedirectToLoginPage ();
1302                                 }
1303                                 return false;
1304                         }
1305                 }
1306
1307                 private void LoginClick (object sender, CommandEventArgs e)
1308                 {
1309                         RaiseBubbleEvent (sender, (EventArgs)e);
1310                 }
1311
1312                 private bool IsEmpty (Style style)
1313                 {
1314                         if (style == null)
1315                                 return true;
1316                         return style.IsEmpty;
1317                 }
1318
1319                 private bool IsDefaultLoginPage ()
1320                 {
1321                         if ((Page == null) || (Page.Request == null))
1322                                 return false;
1323                         string url = Page.Request.Url.AbsolutePath;
1324                         string defaultLogin = FormsAuthentication.LoginUrl;
1325                         return (String.Compare (defaultLogin, 0, url, url.Length - defaultLogin.Length, defaultLogin.Length,
1326                                 true, CultureInfo.InvariantCulture) == 0);
1327                 }
1328
1329                 private bool IsLoggedIn ()
1330                 {
1331                         if ((Page == null) || (Page.Request == null))
1332                                 return false;
1333                         return Page.Request.IsAuthenticated;
1334                 }
1335
1336                 private void Redirect (string url)
1337                 {
1338                         if ((Page != null) && (Page.Response != null))
1339                                 Page.Response.Redirect (url);
1340                 }
1341
1342                 private void UserName_TextChanged (object sender, EventArgs e)
1343                 {
1344                         UserName = ((ITextControl)sender).Text;
1345                 }
1346
1347                 private void Password_TextChanged (object sender, EventArgs e)
1348                 {
1349                         _password = ((ITextControl)sender).Text;
1350                 }
1351
1352                 private void RememberMe_CheckedChanged (object sender, EventArgs e)
1353                 {
1354                         RememberMeSet = ((ICheckBoxControl)sender).Checked;
1355                 }
1356         }
1357 }
1358
1359 #endif