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
  31 using System.Collections;
  32 using System.Globalization;
  33 using System.ComponentModel;
  34 using System.Security.Permissions;
  35 using System.Web.Security;
  36 using System.Web.Util;
  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 #if NET_4_0
  49         , IRenderOuterTable
  50 #endif
  51         {
  52                 #region LoginContainer
  53                 // TODO: This class should probably be folded into a generic one with BaseChangePasswordContainer
  54                 sealed class LoginContainer : Control
  55                 {
  56                         readonly Login _owner;
  57 #if NET_4_0
  58                         bool renderOuterTable;
  59 #endif
  60                         Table _table;
  61                         TableCell _containerCell;
  62
  63                         public LoginContainer (Login owner)
  64                         {
  65                                 _owner = owner;
  66 #if NET_4_0
  67                                 renderOuterTable = _owner.RenderOuterTable;
  68
  69                                 if (renderOuterTable)
  70 #endif
  71                                         InitTable ();
  72                         }
  73
  74                         public override string ID {
  75                                 get {
  76                                         return _owner.ID;
  77                                 }
  78                                 set {
  79                                         _owner.ID = value;
  80                                 }
  81                         }
  82
  83                         public override string ClientID {
  84                                 get {
  85                                         return _owner.ClientID;
  86                                 }
  87                         }
  88
  89                         public void InstantiateTemplate (ITemplate template)
  90                         {
  91 #if NET_4_0
  92                                 if (!renderOuterTable)
  93                                         template.InstantiateIn (this);
  94                                 else
  95 #endif
  96                                         template.InstantiateIn (_containerCell);
  97                         }
  98
  99                         void InitTable ()
 100                         {
 101                                 _table = new Table ();
 102                                 _containerCell = new TableCell ();
 103
 104                                 TableRow row = new TableRow ();
 105                                 row.Cells.Add (_containerCell);
 106                                 _table.Rows.Add (row);
 107
 108                                 Controls.AddAt (0, _table);
 109                         }
 110
 111                         protected internal override void Render (HtmlTextWriter writer)
 112                         {
 113                                 if (_table != null) {
 114                                         _table.CellSpacing = 0;
 115                                         _table.CellPadding = _owner.BorderPadding;
 116                                         _table.ApplyStyle (_owner.ControlStyle);
 117                                         _table.Attributes.CopyFrom (_owner.Attributes);
 118                                 }
 119
 120                                 base.Render (writer);
 121                         }
 122
 123                         public Control UserNameTextBox {
 124                                 get {
 125                                         return FindControl("UserName");
 126                                 }
 127                         }
 128
 129                         public Control PasswordTextBox {
 130                                 get {
 131                                         return FindControl("Password");
 132                                 }
 133                         }
 134
 135                         public Control RememberMeCheckBox {
 136                                 get {
 137                                         return FindControl("RememberMe");
 138                                 }
 139                         }
 140
 141                         public ITextControl FailureTextLiteral
 142                         {
 143                                 get {
 144                                         return FindControl ("FailureText") as ITextControl;
 145                                 }
 146                         }
 147                 }
 148
 149                 #endregion
 150
 151                 #region LoginTemplate
 152
 153                 sealed class LoginTemplate : WebControl, ITemplate
 154                 {
 155                         readonly Login _login;
 156
 157                         public LoginTemplate (Login login)
 158                         {
 159                                 _login = login;
 160                         }
 161
 162                         void ITemplate.InstantiateIn (Control container)
 163                         {
 164                                 //
 165                                 LiteralControl TitleText = new LiteralControl (_login.TitleText);
 166
 167                                 //
 168                                 LiteralControl InstructionText = new LiteralControl (_login.InstructionText);
 169
 170                                 //
 171                                 TextBox UserName = new TextBox ();
 172                                 UserName.ID = "UserName";
 173                                 UserName.Text = _login.UserName;
 174                                 _login.RegisterApplyStyle (UserName, _login.TextBoxStyle);
 175
 176                                 Label UserNameLabel = new Label ();
 177                                 UserNameLabel.ID = "UserNameLabel";
 178                                 UserNameLabel.AssociatedControlID = "UserName";
 179                                 UserNameLabel.Text = _login.UserNameLabelText;
 180
 181                                 RequiredFieldValidator UserNameRequired = new RequiredFieldValidator ();
 182                                 UserNameRequired.ID = "UserNameRequired";
 183                                 UserNameRequired.ControlToValidate = "UserName";
 184                                 UserNameRequired.ErrorMessage = _login.UserNameRequiredErrorMessage;
 185                                 UserNameRequired.ToolTip = _login.UserNameRequiredErrorMessage;
 186                                 UserNameRequired.Text = "*";
 187                                 UserNameRequired.ValidationGroup = _login.ID;
 188                                 _login.RegisterApplyStyle (UserNameRequired, _login.ValidatorTextStyle);
 189
 190                                 //
 191                                 TextBox Password = new TextBox ();
 192                                 Password.ID = "Password";
 193                                 Password.TextMode = TextBoxMode.Password;
 194                                 _login.RegisterApplyStyle (Password, _login.TextBoxStyle);
 195
 196                                 Label PasswordLabel = new Label ();
 197                                 PasswordLabel.ID = "PasswordLabel";
 198                                 PasswordLabel.AssociatedControlID = "PasswordLabel";
 199                                 PasswordLabel.Text = _login.PasswordLabelText;
 200
 201                                 RequiredFieldValidator PasswordRequired = new RequiredFieldValidator ();
 202                                 PasswordRequired.ID = "PasswordRequired";
 203                                 PasswordRequired.ControlToValidate = "Password";
 204                                 PasswordRequired.ErrorMessage = _login.PasswordRequiredErrorMessage;
 205                                 PasswordRequired.ToolTip = _login.PasswordRequiredErrorMessage;
 206                                 PasswordRequired.Text = "*";
 207                                 PasswordRequired.ValidationGroup = _login.ID;
 208                                 _login.RegisterApplyStyle (PasswordRequired, _login.ValidatorTextStyle);
 209
 210                                 bool useRememberMe = _login != null ? _login.DisplayRememberMe : true;
 211                                 CheckBox RememberMe;
 212                                 //
 213                                 if (useRememberMe) {
 214                                         RememberMe = new CheckBox ();
 215                                         RememberMe.ID = "RememberMe";
 216                                         RememberMe.Checked = _login.RememberMeSet;
 217                                         RememberMe.Text = _login.RememberMeText;
 218                                         _login.RegisterApplyStyle (RememberMe, _login.CheckBoxStyle);
 219                                 } else
 220                                         RememberMe = null;
 221
 222                                 // TODO: Error text
 223                                 Literal FailureText = new Literal ();
 224                                 FailureText.ID = "FailureText";
 225                                 FailureText.EnableViewState = false;
 226
 227                                 //
 228                                 WebControl LoginButton = null;
 229                                 switch (_login.LoginButtonType) {
 230                                         case ButtonType.Button:
 231                                                 LoginButton = new Button ();
 232                                                 LoginButton.ID = "LoginButton";
 233                                                 break;
 234                                         case ButtonType.Link:
 235                                                 LoginButton = new LinkButton ();
 236                                                 LoginButton.ID = "LoginLinkButton";
 237                                                 break;
 238                                         case ButtonType.Image:
 239                                                 LoginButton = new ImageButton ();
 240                                                 LoginButton.ID = "LoginImageButton";
 241                                                 break;
 242                                 }
 243                                 _login.RegisterApplyStyle (LoginButton, _login.LoginButtonStyle);
 244                                 LoginButton.ID = "LoginButton";
 245                                 ((IButtonControl) LoginButton).Text = _login.LoginButtonText;
 246                                 ((IButtonControl) LoginButton).CommandName = Login.LoginButtonCommandName;
 247                                 ((IButtonControl) LoginButton).Command += new CommandEventHandler (_login.LoginClick);
 248                                 ((IButtonControl) LoginButton).ValidationGroup = _login.ID;
 249
 250                                 // Create layout table
 251                                 Table table = new Table ();
 252                                 table.CellPadding = 0;
 253
 254                                 // Title row
 255                                 table.Rows.Add (
 256                                         CreateRow (
 257                                         CreateCell (TitleText, null, _login.TitleTextStyle, HorizontalAlign.Center)));
 258
 259                                 // Instruction row
 260                                 if (_login.InstructionText.Length > 0) {
 261                                         table.Rows.Add (
 262                                                 CreateRow (
 263                                                 CreateCell (InstructionText, null, _login.instructionTextStyle, HorizontalAlign.Center)));
 264                                 }
 265
 266                                 if (_login.Orientation == Orientation.Horizontal) {
 267                                         // Main row
 268                                         TableRow row1 = new TableRow ();
 269                                         TableRow row2 = new TableRow ();
 270                                         if (_login.TextLayout == LoginTextLayout.TextOnTop)
 271                                                 row1.Cells.Add (CreateCell (UserNameLabel, null, _login.LabelStyle));
 272                                         else
 273                                                 row2.Cells.Add (CreateCell (UserNameLabel, null, _login.LabelStyle));
 274                                         row2.Cells.Add (CreateCell (UserName, UserNameRequired, null));
 275                                         if (_login.TextLayout == LoginTextLayout.TextOnTop)
 276                                                 row1.Cells.Add (CreateCell (PasswordLabel, null, _login.LabelStyle));
 277                                         else
 278                                                 row2.Cells.Add (CreateCell (PasswordLabel, null, _login.LabelStyle));
 279                                         row2.Cells.Add (CreateCell (Password, PasswordRequired, null));
 280                                         if (useRememberMe)
 281                                                 row2.Cells.Add (CreateCell (RememberMe, null, null));
 282                                         row2.Cells.Add (CreateCell (LoginButton, null, null));
 283                                         if (row1.Cells.Count > 0)
 284                                                 table.Rows.Add (row1);
 285                                         table.Rows.Add (row2);
 286                                 }
 287                                 else { // Orientation.Vertical
 288                                         if (_login.TextLayout == LoginTextLayout.TextOnLeft)
 289                                                 table.Rows.Add (CreateRow (UserNameLabel, UserName, UserNameRequired, _login.LabelStyle));
 290                                         else {
 291                                                 table.Rows.Add (CreateRow (UserNameLabel, null, null, _login.LabelStyle));
 292                                                 table.Rows.Add (CreateRow (null, UserName, UserNameRequired, null));
 293                                         }
 294                                         if (_login.TextLayout == LoginTextLayout.TextOnLeft)
 295                                                 table.Rows.Add (CreateRow (PasswordLabel, Password, PasswordRequired, _login.LabelStyle));
 296                                         else {
 297                                                 table.Rows.Add (CreateRow (PasswordLabel, null, null, _login.LabelStyle));
 298                                                 table.Rows.Add (CreateRow (null, Password, PasswordRequired, null));
 299                                         }
 300                                         if (useRememberMe)
 301                                                 table.Rows.Add (CreateRow (CreateCell (RememberMe, null, null)));
 302                                         table.Rows.Add (CreateRow (CreateCell (LoginButton, null, null, HorizontalAlign.Right)));
 303                                 }
 304
 305                                 // Error message row
 306                                 if (_login.FailureTextStyle.ForeColor.IsEmpty)
 307                                         _login.FailureTextStyle.ForeColor = System.Drawing.Color.Red;
 308
 309                                 table.Rows.Add (
 310                                         CreateRow (
 311                                         CreateCell (FailureText, null, _login.FailureTextStyle)));
 312
 313                                 // Links row
 314                                 TableCell linksCell = new TableCell ();
 315                                 _login.RegisterApplyStyle (linksCell, _login.HyperLinkStyle);
 316
 317                                 if (AddLink (_login.CreateUserUrl, _login.CreateUserText, _login.CreateUserIconUrl, linksCell, _login.HyperLinkStyle))
 318                                         if (_login.Orientation == Orientation.Vertical)
 319                                                 linksCell.Controls.Add (new LiteralControl ("<br/>"));
 320                                         else
 321                                                 linksCell.Controls.Add (new LiteralControl (" "));
 322
 323                                 if (AddLink (_login.PasswordRecoveryUrl, _login.PasswordRecoveryText, _login.PasswordRecoveryIconUrl, linksCell, _login.HyperLinkStyle))
 324                                         if (_login.Orientation == Orientation.Vertical)
 325                                                 linksCell.Controls.Add (new LiteralControl ("<br/>"));
 326                                         else
 327                                                 linksCell.Controls.Add (new LiteralControl (" "));
 328
 329                                 AddLink (_login.HelpPageUrl, _login.HelpPageText, _login.HelpPageIconUrl, linksCell, _login.HyperLinkStyle);
 330                                 table.Rows.Add (CreateRow (linksCell));
 331
 332                                 FixTableColumnSpans (table);
 333                                 container.Controls.Add (table);
 334                         }
 335
 336                         TableRow CreateRow (TableCell cell)
 337                         {
 338                                 TableRow row = new TableRow ();
 339                                 row.Cells.Add (cell);
 340                                 return row;
 341                         }
 342
 343                         TableRow CreateRow (Control c0, Control c1, Control c2, Style s)
 344                         {
 345                                 TableRow row = new TableRow ();
 346                                 TableCell cell0 = new TableCell ();
 347                                 TableCell cell1 = new TableCell ();
 348
 349                                 if (c0 != null) {
 350                                         cell0.Controls.Add (c0);
 351                                         row.Controls.Add (cell0);
 352                                 }
 353
 354                                 if (s != null)
 355                                         cell0.ApplyStyle (s);
 356
 357                                 if ((c1 != null) && (c2 != null)) {
 358                                         cell1.Controls.Add (c1);
 359                                         cell1.Controls.Add (c2);
 360                                         cell0.HorizontalAlign = HorizontalAlign.Right;
 361                                         row.Controls.Add (cell1);
 362                                 }
 363                                 return row;
 364                         }
 365
 366                         TableCell CreateCell (Control c0, Control c1, Style s, HorizontalAlign align)
 367                         {
 368                                 TableCell cell = CreateCell (c0, c1, s);
 369                                 cell.HorizontalAlign = align;
 370                                 return cell;
 371                         }
 372
 373                         TableCell CreateCell (Control c0, Control c1, Style s)
 374                         {
 375                                 TableCell cell = new TableCell ();
 376                                 if (s != null)
 377                                         cell.ApplyStyle (s);
 378
 379                                 cell.Controls.Add (c0);
 380                                 if (c1 != null)
 381                                         cell.Controls.Add (c1);
 382
 383                                 return cell;
 384                         }
 385
 386                         bool AddLink (string pageUrl, string linkText, string linkIcon, WebControl container, Style style)
 387                         {
 388                                 bool added = false;
 389                                 if (linkIcon.Length > 0) {
 390                                         Image img = new Image ();
 391                                         img.ImageUrl = linkIcon;
 392                                         container.Controls.Add (img);
 393                                         added = true;
 394                                 }
 395                                 if (linkText.Length > 0) {
 396                                         HyperLink link = new HyperLink ();
 397                                         link.NavigateUrl = pageUrl;
 398                                         link.Text = linkText;
 399                                         _login.RegisterApplyStyle (link, style);
 400                                         container.Controls.Add (link);
 401                                         added = true;
 402                                 }
 403                                 return added;
 404                         }
 405
 406                         void FixTableColumnSpans (Table table)
 407                         {
 408                                 int maxCols = 0;
 409                                 for (int row = 0; row < table.Rows.Count; row++) {
 410                                         if (maxCols < table.Rows [row].Cells.Count)
 411                                                 maxCols = table.Rows [row].Cells.Count;
 412                                 }
 413                                 for (int row = 0; row < table.Rows.Count; row++) {
 414                                         if (table.Rows [row].Cells.Count == 1 && maxCols > 1)
 415                                                         table.Rows [row].Cells [0].ColumnSpan = maxCols;
 416                                 }
 417                         }
 418                 }
 419
 420                 #endregion
 421
 422                 public static readonly string LoginButtonCommandName = "Login";
 423
 424                 static readonly object authenticateEvent = new object ();
 425                 static readonly object loggedInEvent = new object ();
 426                 static readonly object loggingInEvent = new object ();
 427                 static readonly object loginErrorEvent = new object ();
 428
 429                 TableItemStyle checkBoxStyle;
 430                 TableItemStyle failureTextStyle;
 431                 TableItemStyle hyperLinkStyle;
 432                 TableItemStyle instructionTextStyle;
 433                 TableItemStyle labelStyle;
 434                 Style logonButtonStyle;
 435                 Style textBoxStyle;
 436                 TableItemStyle titleTextStyle;
 437                 Style validatorTextStyle;
 438                 ArrayList styles = new ArrayList ();
 439
 440                 ITemplate layoutTemplate;
 441                 LoginContainer container;
 442
 443                 string _password;
 444 #if NET_4_0
 445                 bool renderOuterTable = true;
 446 #endif
 447                 public Login ()
 448                 {
 449                 }
 450
 451                 [DefaultValue (1)]
 452                 public virtual int BorderPadding {
 453                         get {
 454                                 object o = ViewState ["BorderPadding"];
 455                                 return (o == null) ? 1 : (int) o;
 456                         }
 457                         set {
 458                                 if (value < -1)
 459                                         throw new ArgumentOutOfRangeException ("BorderPadding", "< -1");
 460                                 else
 461                                         ViewState ["BorderPadding"] = value;
 462                         }
 463                 }
 464
 465                 [DefaultValue (null)]
 466                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 467                 [NotifyParentProperty (true)]
 468                 [PersistenceMode (PersistenceMode.InnerProperty)]
 469                 public TableItemStyle CheckBoxStyle {
 470                         get {
 471                                 if (checkBoxStyle == null) {
 472                                         checkBoxStyle = new TableItemStyle ();
 473                                         if (IsTrackingViewState) {
 474                                                 (checkBoxStyle as IStateManager).TrackViewState ();
 475                                         }
 476                                 }
 477                                 return checkBoxStyle;
 478                         }
 479                 }
 480
 481                 [DefaultValue ("")]
 482                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 483                 [UrlProperty]
 484                 public virtual string CreateUserIconUrl {
 485                         get {
 486                                 object o = ViewState ["CreateUserIconUrl"];
 487                                 return (o == null) ? String.Empty : (string) o;
 488                         }
 489                         set {
 490                                 if (value == null)
 491                                         ViewState.Remove ("CreateUserIconUrl");
 492                                 else
 493                                         ViewState ["CreateUserIconUrl"] = value;
 494                         }
 495                 }
 496
 497                 [DefaultValue ("")]
 498                 [Localizable (true)]
 499                 public virtual string CreateUserText {
 500                         get {
 501                                 object o = ViewState ["CreateUserText"];
 502                                 return (o == null) ? String.Empty : (string) o;
 503                         }
 504                         set {
 505                                 if (value == null)
 506                                         ViewState.Remove ("CreateUserText");
 507                                 else
 508                                         ViewState ["CreateUserText"] = value;
 509                         }
 510                 }
 511
 512                 [DefaultValue ("")]
 513                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 514                 [UrlProperty]
 515                 public virtual string CreateUserUrl {
 516                         get {
 517                                 object o = ViewState ["CreateUserUrl"];
 518                                 return (o == null) ? String.Empty : (string) o;
 519                         }
 520                         set {
 521                                 if (value == null)
 522                                         ViewState.Remove ("CreateUserUrl");
 523                                 else
 524                                         ViewState ["CreateUserUrl"] = value;
 525                         }
 526                 }
 527
 528                 [DefaultValue ("")]
 529                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 530                 [Themeable (false)]
 531                 [UrlProperty]
 532                 public virtual string DestinationPageUrl {
 533                         get {
 534                                 object o = ViewState ["DestinationPageUrl"];
 535                                 return (o == null) ? String.Empty : (string) o;
 536                         }
 537                         set {
 538                                 if (value == null)
 539                                         ViewState.Remove ("DestinationPageUrl");
 540                                 else
 541                                         ViewState ["DestinationPageUrl"] = value;
 542                         }
 543                 }
 544
 545                 [DefaultValue (true)]
 546                 [Themeable (false)]
 547                 public virtual bool DisplayRememberMe {
 548                         get {
 549                                 object o = ViewState ["DisplayRememberMe"];
 550                                 return (o == null) ? true : (bool) o;
 551                         }
 552                         set {
 553                                 ViewState ["DisplayRememberMe"] = value;
 554                         }
 555                 }
 556
 557                 [DefaultValue (LoginFailureAction.Refresh)]
 558                 [Themeable (false)]
 559                 [MonoTODO ("RedirectToLoginPage not yet implemented in FormsAuthentication")]
 560                 public virtual LoginFailureAction FailureAction {
 561                         get {
 562                                 object o = ViewState ["FailureAction"];
 563                                 return (o == null) ? LoginFailureAction.Refresh : (LoginFailureAction) o;
 564                         }
 565                         set {
 566                                 if ((value < LoginFailureAction.Refresh) || (value > LoginFailureAction.RedirectToLoginPage))
 567                                         throw new ArgumentOutOfRangeException ("FailureAction");
 568                                 ViewState ["FailureAction"] = (int) value;
 569                         }
 570                 }
 571
 572                 [Localizable (true)]
 573                 public virtual string FailureText {
 574                         get {
 575                                 object o = ViewState ["FailureText"];
 576                                 return (o == null) ? Locale.GetText ("Your login attempt was not successful. Please try again.") : (string) o;
 577                         }
 578                         set {
 579                                 if (value == null)
 580                                         ViewState.Remove ("FailureText");
 581                                 else
 582                                         ViewState ["FailureText"] = value;
 583                         }
 584                 }
 585
 586                 [DefaultValue (null)]
 587                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 588                 [NotifyParentProperty (true)]
 589                 [PersistenceMode (PersistenceMode.InnerProperty)]
 590                 public TableItemStyle FailureTextStyle {
 591                         get {
 592                                 if (failureTextStyle == null) {
 593                                         failureTextStyle = new TableItemStyle ();
 594                                         if (IsTrackingViewState) {
 595                                                 (failureTextStyle as IStateManager).TrackViewState ();
 596                                         }
 597                                 }
 598                                 return failureTextStyle;
 599                         }
 600                 }
 601
 602                 [DefaultValue ("")]
 603                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 604                 [UrlProperty]
 605                 public virtual string HelpPageIconUrl {
 606                         get {
 607                                 object o = ViewState ["HelpPageIconUrl"];
 608                                 return (o == null) ? String.Empty : (string) o;
 609                         }
 610                         set {
 611                                 if (value == null)
 612                                         ViewState.Remove ("HelpPageIconUrl");
 613                                 else
 614                                         ViewState ["HelpPageIconUrl"] = value;
 615                         }
 616                 }
 617
 618                 [DefaultValue ("")]
 619                 [Localizable (true)]
 620                 public virtual string HelpPageText {
 621                         get {
 622                                 object o = ViewState ["HelpPageText"];
 623                                 return (o == null) ? String.Empty : (string) o;
 624                         }
 625                         set {
 626                                 if (value == null)
 627                                         ViewState.Remove ("HelpPageText");
 628                                 else
 629                                         ViewState ["HelpPageText"] = value;
 630                         }
 631                 }
 632
 633                 [DefaultValue ("")]
 634                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 635                 [UrlProperty]
 636                 public virtual string HelpPageUrl {
 637                         get {
 638                                 object o = ViewState ["HelpPageUrl"];
 639                                 return (o == null) ? String.Empty : (string) o;
 640                         }
 641                         set {
 642                                 if (value == null)
 643                                         ViewState.Remove ("HelpPageUrl");
 644                                 else
 645                                         ViewState ["HelpPageUrl"] = value;
 646                         }
 647                 }
 648
 649                 [DefaultValue (null)]
 650                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 651                 [NotifyParentProperty (true)]
 652                 [PersistenceMode (PersistenceMode.InnerProperty)]
 653                 public TableItemStyle HyperLinkStyle {
 654                         get {
 655                                 if (hyperLinkStyle == null) {
 656                                         hyperLinkStyle = new TableItemStyle ();
 657                                         if (IsTrackingViewState) {
 658                                                 (hyperLinkStyle  as IStateManager).TrackViewState ();
 659                                         }
 660                                 }
 661                                 return hyperLinkStyle;
 662                         }
 663                 }
 664
 665                 [DefaultValue ("")]
 666                 [Localizable (true)]
 667                 public virtual string InstructionText {
 668                         get {
 669                                 object o = ViewState ["InstructionText"];
 670                                 return (o == null) ? String.Empty : (string) o;
 671                         }
 672                         set {
 673                                 if (value == null)
 674                                         ViewState.Remove ("InstructionText");
 675                                 else
 676                                         ViewState ["InstructionText"] = value;
 677                         }
 678                 }
 679
 680                 [DefaultValue (null)]
 681                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 682                 [NotifyParentProperty (true)]
 683                 [PersistenceMode (PersistenceMode.InnerProperty)]
 684                 public TableItemStyle InstructionTextStyle {
 685                         get {
 686                                 if (instructionTextStyle == null) {
 687                                         instructionTextStyle = new TableItemStyle ();
 688                                         if (IsTrackingViewState) {
 689                                                 (instructionTextStyle as IStateManager).TrackViewState ();
 690                                         }
 691                                 }
 692                                 return instructionTextStyle;
 693                         }
 694                 }
 695
 696                 [DefaultValue (null)]
 697                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 698                 [NotifyParentProperty (true)]
 699                 [PersistenceMode (PersistenceMode.InnerProperty)]
 700                 public TableItemStyle LabelStyle {
 701                         get {
 702                                 if (labelStyle == null) {
 703                                         labelStyle = new TableItemStyle ();
 704                                         if (IsTrackingViewState) {
 705                                                 (labelStyle as IStateManager).TrackViewState ();
 706                                         }
 707                                 }
 708                                 return labelStyle;
 709                         }
 710                 }
 711
 712                 [Browsable (false)]
 713                 [TemplateContainer (typeof (Login))]
 714                 [PersistenceMode (PersistenceMode.InnerProperty)]
 715                 public virtual ITemplate LayoutTemplate {
 716                         get { return layoutTemplate; }
 717                         set { layoutTemplate = value; }
 718                 }
 719
 720                 [DefaultValue ("")]
 721                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 722                 [UrlProperty]
 723                 public virtual string LoginButtonImageUrl {
 724                         get {
 725                                 object o = ViewState ["LoginButtonImageUrl"];
 726                                 return (o == null) ? String.Empty : (string) o;
 727                         }
 728                         set {
 729                                 if (value == null)
 730                                         ViewState.Remove ("LoginButtonImageUrl");
 731                                 else
 732                                         ViewState ["LoginButtonImageUrl"] = value;
 733                         }
 734                 }
 735
 736                 [DefaultValue (null)]
 737                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 738                 [NotifyParentProperty (true)]
 739                 [PersistenceMode (PersistenceMode.InnerProperty)]
 740                 public Style LoginButtonStyle {
 741                         get {
 742                                 if (logonButtonStyle == null) {
 743                                         logonButtonStyle = new Style ();
 744                                         if (IsTrackingViewState) {
 745                                                 (logonButtonStyle as IStateManager).TrackViewState ();
 746                                         }
 747                                 }
 748                                 return logonButtonStyle;
 749                         }
 750                 }
 751
 752                 [Localizable (true)]
 753                 public virtual string LoginButtonText {
 754                         get {
 755                                 object o = ViewState ["LoginButtonText"];
 756                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 757                         }
 758                         set {
 759                                 if (value == null)
 760                                         ViewState.Remove ("LoginButtonText");
 761                                 else
 762                                         ViewState ["LoginButtonText"] = value;
 763                         }
 764                 }
 765
 766                 [DefaultValue (ButtonType.Button)]
 767                 public virtual ButtonType LoginButtonType {
 768                         get {
 769                                 object o = ViewState ["LoginButtonType"];
 770                                 return (o == null) ? ButtonType.Button : (ButtonType) o;
 771                         }
 772                         set {
 773                                 if ((value < ButtonType.Button) || (value > ButtonType.Link))
 774                                         throw new ArgumentOutOfRangeException ("LoginButtonType");
 775                                 ViewState ["LoginButtonType"] = (int) value;
 776                         }
 777                 }
 778
 779                 [DefaultValue ("")]
 780                 [Themeable (false)]
 781                 public virtual string MembershipProvider {
 782                         get {
 783                                 object o = ViewState ["MembershipProvider"];
 784                                 return (o == null) ? String.Empty : (string) o;
 785                         }
 786                         set {
 787                                 if (value == null)
 788                                         ViewState.Remove ("MembershipProvider");
 789                                 else
 790                                         ViewState ["MembershipProvider"] = value;
 791                         }
 792                 }
 793
 794                 [DefaultValue (Orientation.Vertical)]
 795                 public virtual Orientation Orientation {
 796                         get {
 797                                 object o = ViewState ["Orientation"];
 798                                 return (o == null) ? Orientation.Vertical : (Orientation) o;
 799                         }
 800                         set {
 801                                 if ((value < Orientation.Horizontal) || (value > Orientation.Vertical))
 802                                         throw new ArgumentOutOfRangeException ("Orientation");
 803                                 ViewState ["Orientation"] = (int) value;
 804                         }
 805                 }
 806
 807                 [Browsable (false)]
 808                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 809                 public virtual string Password {
 810                         get {
 811                                 return _password != null ? _password : String.Empty;
 812                         }
 813                 }
 814
 815                 [Localizable (true)]
 816                 public virtual string PasswordLabelText {
 817                         get {
 818                                 object o = ViewState ["PasswordLabelText"];
 819                                 return (o == null) ? "Password:" : (string) o;
 820                         }
 821                         set {
 822                                 if (value == null)
 823                                         ViewState.Remove ("PasswordLabelText");
 824                                 else
 825                                         ViewState ["PasswordLabelText"] = value;
 826                         }
 827                 }
 828
 829                 [DefaultValue ("")]
 830                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 831                 [UrlProperty]
 832                 public virtual string PasswordRecoveryIconUrl {
 833                         get {
 834                                 object o = ViewState ["PasswordRecoveryIconUrl"];
 835                                 return (o == null) ? String.Empty : (string) o;
 836                         }
 837                         set {
 838                                 if (value == null)
 839                                         ViewState.Remove ("PasswordRecoveryIconUrl");
 840                                 else
 841                                         ViewState ["PasswordRecoveryIconUrl"] = value;
 842                         }
 843                 }
 844
 845                 [DefaultValue ("")]
 846                 [Localizable (true)]
 847                 public virtual string PasswordRecoveryText {
 848                         get {
 849                                 object o = ViewState ["PasswordRecoveryText"];
 850                                 return (o == null) ? String.Empty : (string) o;
 851                         }
 852                         set {
 853                                 if (value == null)
 854                                         ViewState.Remove ("PasswordRecoveryText");
 855                                 else
 856                                         ViewState ["PasswordRecoveryText"] = value;
 857                         }
 858                 }
 859
 860                 [DefaultValue ("")]
 861                 [Editor ("System.Web.UI.Design.UrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
 862                 [UrlProperty]
 863                 public virtual string PasswordRecoveryUrl {
 864                         get {
 865                                 object o = ViewState ["PasswordRecoveryUrl"];
 866                                 return (o == null) ? String.Empty : (string) o;
 867                         }
 868                         set {
 869                                 if (value == null)
 870                                         ViewState.Remove ("PasswordRecoveryUrl");
 871                                 else
 872                                         ViewState ["PasswordRecoveryUrl"] = value;
 873                         }
 874                 }
 875
 876                 [Localizable (true)]
 877                 public virtual string PasswordRequiredErrorMessage {
 878                         get {
 879                                 object o = ViewState ["PasswordRequiredErrorMessage"];
 880                                 return (o == null) ? Locale.GetText ("Password is required.") : (string) o;
 881                         }
 882                         set {
 883                                 if (value == null)
 884                                         ViewState.Remove ("PasswordRequiredErrorMessage");
 885                                 else
 886                                         ViewState ["PasswordRequiredErrorMessage"] = value;
 887                         }
 888                 }
 889 #if NET_4_0
 890                 [DefaultValue (true)]
 891                 public virtual bool RenderOuterTable {
 892                         get { return renderOuterTable; }
 893                         set { renderOuterTable = value; }
 894                 }
 895 #endif
 896                 [DefaultValue (false)]
 897                 [Themeable (false)]
 898                 public virtual bool RememberMeSet {
 899                         get {
 900                                 object o = ViewState ["RememberMeSet"];
 901                                 return (o == null) ? false : (bool) o;
 902                         }
 903                         set {
 904                                 ViewState ["RememberMeSet"] = value;
 905                         }
 906                 }
 907
 908                 [Localizable (true)]
 909                 public virtual string RememberMeText {
 910                         get {
 911                                 object o = ViewState ["RememberMeText"];
 912                                 return (o == null) ? Locale.GetText ("Remember me next time.") : (string) o;
 913                         }
 914                         set {
 915                                 if (value == null)
 916                                         ViewState.Remove ("RememberMeText");
 917                                 else
 918                                         ViewState ["RememberMeText"] = value;
 919                         }
 920                 }
 921
 922                 protected override HtmlTextWriterTag TagKey {
 923                         get { return HtmlTextWriterTag.Table; }
 924                 }
 925
 926                 [DefaultValue (null)]
 927                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 928                 [NotifyParentProperty (true)]
 929                 [PersistenceMode (PersistenceMode.InnerProperty)]
 930                 public Style TextBoxStyle {
 931                         get {
 932                                 if (textBoxStyle == null) {
 933                                         textBoxStyle = new Style ();
 934                                         if (IsTrackingViewState) {
 935                                                 (textBoxStyle as IStateManager).TrackViewState ();
 936                                         }
 937                                 }
 938                                 return textBoxStyle;
 939                         }
 940                 }
 941
 942                 [DefaultValue (LoginTextLayout.TextOnLeft)]
 943                 public virtual LoginTextLayout TextLayout {
 944                         get {
 945                                 object o = ViewState ["TextLayout"];
 946                                 return (o == null) ? LoginTextLayout.TextOnLeft : (LoginTextLayout) o;
 947                         }
 948                         set {
 949                                 if ((value < LoginTextLayout.TextOnLeft) || (value > LoginTextLayout.TextOnTop))
 950                                         throw new ArgumentOutOfRangeException ("TextLayout");
 951                                 ViewState ["TextLayout"] = (int) value;
 952                         }
 953                 }
 954
 955                 [Localizable (true)]
 956                 public virtual string TitleText {
 957                         get {
 958                                 object o = ViewState ["TitleText"];
 959                                 return (o == null) ? Locale.GetText ("Log In") : (string) o;
 960                         }
 961                         set {
 962                                 if (value == null)
 963                                         ViewState.Remove ("TitleText");
 964                                 else
 965                                         ViewState ["TitleText"] = value;
 966                         }
 967                 }
 968
 969                 [DefaultValue (null)]
 970                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 971                 [NotifyParentProperty (true)]
 972                 [PersistenceMode (PersistenceMode.InnerProperty)]
 973                 public TableItemStyle TitleTextStyle {
 974                         get {
 975                                 if (titleTextStyle == null) {
 976                                         titleTextStyle = new TableItemStyle ();
 977                                         if (IsTrackingViewState) {
 978                                                 (titleTextStyle as IStateManager).TrackViewState ();
 979                                         }
 980                                 }
 981                                 return titleTextStyle;
 982                         }
 983                 }
 984
 985                 [DefaultValue ("")]
 986                 public virtual string UserName {
 987                         get {
 988                                 object o = ViewState ["UserName"];
 989                                 return (o == null) ? String.Empty : (string) o;
 990                         }
 991                         set {
 992                                 if (value == null)
 993                                         ViewState.Remove ("UserName");
 994                                 else
 995                                         ViewState ["UserName"] = value;
 996                         }
 997                 }
 998
 999                 [Localizable (true)]
1000                 public virtual string UserNameLabelText {
1001                         get {
1002                                 object o = ViewState ["UserNameLabelText"];
1003                                 return (o == null) ? Locale.GetText ("User Name:") : (string) o;
1004                         }
1005                         set {
1006                                 if (value == null)
1007                                         ViewState.Remove ("UserNameLabelText");
1008                                 else
1009                                         ViewState ["UserNameLabelText"] = value;
1010                         }
1011                 }
1012
1013                 [Localizable (true)]
1014                 public virtual string UserNameRequiredErrorMessage {
1015                         get {
1016                                 object o = ViewState ["UserNameRequiredErrorMessage"];
1017                                 return (o == null) ? Locale.GetText ("User Name is required.") : (string) o;
1018                         }
1019                         set {
1020                                 if (value == null)
1021                                         ViewState.Remove ("UserNameRequiredErrorMessage");
1022                                 else
1023                                         ViewState ["UserNameRequiredErrorMessage"] = value;
1024                         }
1025                 }
1026
1027                 [DefaultValue (null)]
1028                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
1029                 [NotifyParentProperty (true)]
1030                 [PersistenceMode (PersistenceMode.InnerProperty)]
1031                 public Style ValidatorTextStyle {
1032                         get {
1033                                 if (validatorTextStyle == null) {
1034                                         validatorTextStyle = new Style ();
1035                                         if (IsTrackingViewState) {
1036                                                 (validatorTextStyle as IStateManager).TrackViewState ();
1037                                         }
1038                                 }
1039                                 return validatorTextStyle;
1040                         }
1041                 }
1042
1043                 [DefaultValue (true)]
1044                 [Themeable (false)]
1045                 public virtual bool VisibleWhenLoggedIn {
1046                         get {
1047                                 object o = ViewState ["VisibleWhenLoggedIn"];
1048                                 return (o == null) ? true : (bool) o;
1049                         }
1050                         set {
1051                                 ViewState ["VisibleWhenLoggedIn"] = value;
1052                         }
1053                 }
1054
1055                 LoginContainer LoginTemplateContainer
1056                 {
1057                         get {
1058                                 if (container == null)
1059                                         container = new LoginContainer (this);
1060                                 return container;
1061                         }
1062                 }
1063
1064
1065                 // methods
1066
1067                 protected internal override void CreateChildControls ()
1068                 {
1069                         Controls.Clear ();
1070
1071                         ITemplate template = LayoutTemplate;
1072                         if (template == null)
1073                                 template = new LoginTemplate (this);
1074
1075                         LoginTemplateContainer.InstantiateTemplate (template);
1076
1077                         Controls.Add (container);
1078
1079                         IEditableTextControl editable;
1080                         editable = container.UserNameTextBox as IEditableTextControl;
1081
1082                         if (editable != null) {
1083                                 editable.Text = UserName;
1084                                 editable.TextChanged += new EventHandler (UserName_TextChanged);
1085                         }
1086                         else
1087                                 throw new HttpException ("LayoutTemplate does not contain an IEditableTextControl with ID UserName for the username.");
1088
1089                         editable = container.PasswordTextBox as IEditableTextControl;
1090
1091                         if (editable != null)
1092                                 editable.TextChanged += new EventHandler (Password_TextChanged);
1093                         else
1094                                 throw new HttpException ("LayoutTemplate does not contain an IEditableTextControl with ID Password for the password.");
1095
1096                         ICheckBoxControl checkBox = container.RememberMeCheckBox as ICheckBoxControl;
1097
1098                         if (checkBox != null)
1099                                 checkBox.CheckedChanged += new EventHandler (RememberMe_CheckedChanged);
1100                 }
1101
1102                 protected override void LoadViewState (object savedState)
1103                 {
1104                         if (savedState == null) {
1105                                 base.LoadViewState (null);
1106                                 return;
1107                         }
1108
1109                         object[] state = (object[]) savedState;
1110                         base.LoadViewState (state [0]);
1111                         if (state [1] != null)
1112                                 (LoginButtonStyle as IStateManager).LoadViewState (state [1]);
1113                         if (state [2] != null)
1114                                 (LabelStyle as IStateManager).LoadViewState (state [2]);
1115                         if (state [3] != null)
1116                                 (TextBoxStyle as IStateManager).LoadViewState (state [3]);
1117                         if (state [4] != null)
1118                                 (HyperLinkStyle as IStateManager).LoadViewState (state [4]);
1119                         if (state [5] != null)
1120                                 (InstructionTextStyle as IStateManager).LoadViewState (state [5]);
1121                         if (state [6] != null)
1122                                 (TitleTextStyle as IStateManager).LoadViewState (state [6]);
1123                         if (state [7] != null)
1124                                 (CheckBoxStyle as IStateManager).LoadViewState (state [7]);
1125                         if (state [8] != null)
1126                                 (FailureTextStyle as IStateManager).LoadViewState (state [8]);
1127                         if (state [9] != null)
1128                                 (ValidatorTextStyle as IStateManager).LoadViewState (state [9]);
1129                 }
1130
1131                 bool HasOnAuthenticateHandler ()
1132                 {
1133                         return Events [authenticateEvent] != null;
1134                 }
1135
1136                 protected virtual void OnAuthenticate (AuthenticateEventArgs e)
1137                 {
1138                         // this gets called after OnLoggingIn and the authentication so we can change the result
1139                         AuthenticateEventHandler authenticate = (AuthenticateEventHandler) Events [authenticateEvent];
1140                         if (authenticate != null)
1141                                 authenticate (this, e);
1142                 }
1143
1144                 protected override bool OnBubbleEvent (object source, EventArgs e)
1145                 {
1146                         // check for submit button
1147                         CommandEventArgs cea = (e as CommandEventArgs);
1148                         if ((cea != null) &&
1149                             String.Equals (cea.CommandName, LoginButtonCommandName, StringComparison.InvariantCultureIgnoreCase)) {
1150                                 if (!AuthenticateUser ()) {
1151                                         ITextControl failureText = LoginTemplateContainer.FailureTextLiteral;
1152                                         if (failureText != null)
1153                                                 failureText.Text = FailureText;
1154                                 }
1155                                 return true;
1156                         }
1157                         return false;
1158                 }
1159
1160                 protected virtual void OnLoggedIn (EventArgs e)
1161                 {
1162                         // this gets called only if the authentication was successful
1163                         EventHandler loggedIn = (EventHandler) Events [loggedInEvent];
1164                         if (loggedIn != null)
1165                                 loggedIn (this, e);
1166                 }
1167
1168                 protected virtual void OnLoggingIn (LoginCancelEventArgs e)
1169                 {
1170                         // this gets called before OnAuthenticate so we can abort the authentication process
1171                         LoginCancelEventHandler loggingIn = (LoginCancelEventHandler) Events [loggingInEvent];
1172                         if (loggingIn != null)
1173                                 loggingIn (this, e);
1174                 }
1175
1176                 protected virtual void OnLoginError (EventArgs e)
1177                 {
1178                         // this gets called only if the authentication wasn't successful
1179                         EventHandler loginError = (EventHandler) Events [loginErrorEvent];
1180                         if (loginError != null)
1181                                 loginError (this, e);
1182                 }
1183
1184                 [MonoTODO ("overriden for ?")]
1185                 protected internal override void OnPreRender (EventArgs e)
1186                 {
1187                         base.OnPreRender (e);
1188                         // note: doc says that UserName and Password aren't available at
1189                         // PageLoad but are during PreRender phase, so... ???
1190                 }
1191
1192                 protected internal override void Render (HtmlTextWriter writer)
1193                 {
1194 #if NET_4_0
1195                         VerifyInlinePropertiesNotSet ();
1196 #endif
1197                         // VisibleWhenLoggedIn isn't applicable to the default login page
1198                         if (!VisibleWhenLoggedIn && !IsDefaultLoginPage () && IsLoggedIn ())
1199                                 return;
1200
1201                         Page page = Page;
1202                         if (page != null)
1203                                 page.VerifyRenderingInServerForm (this);
1204
1205                         EnsureChildControls ();
1206
1207                         foreach (object [] styleDef in styles)
1208                                 ((WebControl) styleDef [0]).ApplyStyle ((Style) styleDef [1]);
1209
1210                         RenderContents(writer);
1211                 }
1212
1213                 protected override object SaveViewState ()
1214                 {
1215                         object[] state = new object [10];
1216                         state [0] = base.SaveViewState ();
1217                         if (logonButtonStyle != null)
1218                                 state [1] = (logonButtonStyle as IStateManager).SaveViewState ();
1219                         if (labelStyle != null)
1220                                 state [2] = (labelStyle as IStateManager).SaveViewState ();
1221                         if (textBoxStyle != null)
1222                                 state [3] = (textBoxStyle as IStateManager).SaveViewState ();
1223                         if (hyperLinkStyle != null)
1224                                 state [4] = (hyperLinkStyle as IStateManager).SaveViewState ();
1225                         if (instructionTextStyle != null)
1226                                 state [5] = (instructionTextStyle as IStateManager).SaveViewState ();
1227                         if (titleTextStyle != null)
1228                                 state [6] = (titleTextStyle as IStateManager).SaveViewState ();
1229                         if (checkBoxStyle != null)
1230                                 state [7] = (checkBoxStyle as IStateManager).SaveViewState ();
1231                         if (failureTextStyle != null)
1232                                 state [8] = (failureTextStyle as IStateManager).SaveViewState ();
1233                         if (validatorTextStyle != null)
1234                                 state [9] = (validatorTextStyle as IStateManager).SaveViewState ();
1235
1236                         for (int i=0; i < state.Length; i++) {
1237                                 if (state [0] != null)
1238                                         return (object) state;
1239                         }
1240                         return null; // reduce view state
1241                 }
1242
1243                 [MonoTODO ("for design-time usage - no more details available")]
1244                 protected override void SetDesignModeState (IDictionary data)
1245                 {
1246                         base.SetDesignModeState (data);
1247                 }
1248
1249                 protected override void TrackViewState ()
1250                 {
1251                         base.TrackViewState ();
1252                         if (logonButtonStyle != null)
1253                                 (logonButtonStyle as IStateManager).TrackViewState ();
1254                         if (labelStyle != null)
1255                                 (labelStyle as IStateManager).TrackViewState ();
1256                         if (textBoxStyle != null)
1257                                 (textBoxStyle as IStateManager).TrackViewState ();
1258                         if (hyperLinkStyle != null)
1259                                 (hyperLinkStyle as IStateManager).TrackViewState ();
1260                         if (instructionTextStyle != null)
1261                                 (instructionTextStyle as IStateManager).TrackViewState ();
1262                         if (titleTextStyle != null)
1263                                 (titleTextStyle as IStateManager).TrackViewState ();
1264                         if (checkBoxStyle != null)
1265                                 (checkBoxStyle as IStateManager).TrackViewState ();
1266                         if (failureTextStyle != null)
1267                                 (failureTextStyle as IStateManager).TrackViewState ();
1268                         if (validatorTextStyle != null)
1269                                 (validatorTextStyle as IStateManager).TrackViewState ();
1270                 }
1271
1272
1273                 // events
1274
1275                 public event AuthenticateEventHandler Authenticate {
1276                         add { Events.AddHandler (authenticateEvent, value); }
1277                         remove { Events.RemoveHandler (authenticateEvent, value); }
1278                 }
1279
1280                 public event EventHandler LoggedIn {
1281                         add { Events.AddHandler (loggedInEvent, value); }
1282                         remove { Events.RemoveHandler (loggedInEvent, value); }
1283                 }
1284
1285                 public event LoginCancelEventHandler LoggingIn {
1286                         add { Events.AddHandler (loggingInEvent, value); }
1287                         remove { Events.RemoveHandler (loggingInEvent, value); }
1288                 }
1289
1290                 public event EventHandler LoginError {
1291                         add { Events.AddHandler (loginErrorEvent, value); }
1292                         remove { Events.RemoveHandler (loginErrorEvent, value); }
1293                 }
1294
1295
1296                 // private stuff
1297
1298                 internal void RegisterApplyStyle (WebControl control, Style style)
1299                 {
1300                         styles.Add (new object [] { control, style });
1301                 }
1302
1303                 bool AuthenticateUser ()
1304                 {
1305                         if (!Page.IsValid)
1306                                 return true;
1307
1308                         LoginCancelEventArgs lcea = new LoginCancelEventArgs ();
1309                         OnLoggingIn (lcea);
1310                         if (lcea.Cancel)
1311                                 return true;
1312
1313                         AuthenticateEventArgs aea = new AuthenticateEventArgs ();
1314
1315                         if (!HasOnAuthenticateHandler ()) {
1316                                 string mp = MembershipProvider;
1317                                 MembershipProvider provider = (mp.Length == 0) ?
1318                                         provider = Membership.Provider : Membership.Providers [mp];
1319                                 if (provider == null) {
1320                                         throw new HttpException (Locale.GetText ("No provider named '{0}' could be found.", mp));
1321                                 }
1322
1323                                 aea.Authenticated = provider.ValidateUser (UserName, Password);
1324                         }
1325                         OnAuthenticate (aea);
1326
1327                         if (aea.Authenticated) {
1328                                 FormsAuthentication.SetAuthCookie (UserName, RememberMeSet);
1329                                 OnLoggedIn (EventArgs.Empty);
1330
1331                                 string url = DestinationPageUrl;
1332                                 if (Page.Request.Path.StartsWith (FormsAuthentication.LoginUrl, StringComparison.InvariantCultureIgnoreCase)) {
1333                                         if (!String.IsNullOrEmpty (FormsAuthentication.ReturnUrl))
1334                                                 Redirect (FormsAuthentication.ReturnUrl);
1335                                         else if (!String.IsNullOrEmpty (DestinationPageUrl))
1336                                                 Redirect (url);
1337                                         else if (!String.IsNullOrEmpty (FormsAuthentication.DefaultUrl))
1338                                                 Redirect (FormsAuthentication.DefaultUrl);
1339                                         else if (url.Length == 0)
1340                                                 Refresh ();
1341                                 }
1342                                 else if (!String.IsNullOrEmpty (DestinationPageUrl)) {
1343                                         Redirect (url);
1344                                 }
1345                                 else {
1346                                         Refresh ();
1347                                 }
1348                                 return true;
1349                         }
1350                         else {
1351                                 OnLoginError (EventArgs.Empty);
1352                                 if (FailureAction == LoginFailureAction.RedirectToLoginPage) {
1353                                         // login page is defined in web.config
1354                                         FormsAuthentication.RedirectToLoginPage ();
1355                                 }
1356                                 return false;
1357                         }
1358                 }
1359
1360                 // TODO: its called from default template only, not usefully, OnBubbleEvent
1361                 // do handle command, need be removed
1362                 [MonoTODO()]
1363                 void LoginClick (object sender, CommandEventArgs e)
1364                 {
1365                         RaiseBubbleEvent (sender, (EventArgs)e);
1366                 }
1367
1368                 bool IsDefaultLoginPage ()
1369                 {
1370                         if ((Page == null) || (Page.Request == null))
1371                                 return false;
1372                         string defaultLogin = FormsAuthentication.LoginUrl;
1373                         if (defaultLogin == null)
1374                                 return false;
1375                         string url = Page.Request.Url.AbsolutePath;
1376                         return (String.Compare (defaultLogin, 0, url, url.Length - defaultLogin.Length, defaultLogin.Length,
1377                                 true, Helpers.InvariantCulture) == 0);
1378                 }
1379
1380                 bool IsLoggedIn ()
1381                 {
1382                         if ((Page == null) || (Page.Request == null))
1383                                 return false;
1384                         return Page.Request.IsAuthenticated;
1385                 }
1386
1387                 void Redirect (string url)
1388                 {
1389                         if ((Page != null) && (Page.Response != null))
1390                                 Page.Response.Redirect (url);
1391                 }
1392
1393                 void Refresh () {
1394                         if ((Page != null) && (Page.Response != null))
1395                                 Page.Response.Redirect (Page.Request.RawUrl);
1396                 }
1397
1398                 void UserName_TextChanged (object sender, EventArgs e)
1399                 {
1400                         UserName = ((ITextControl)sender).Text;
1401                 }
1402
1403                 void Password_TextChanged (object sender, EventArgs e)
1404                 {
1405                         _password = ((ITextControl)sender).Text;
1406                 }
1407
1408                 void RememberMe_CheckedChanged (object sender, EventArgs e)
1409                 {
1410                         RememberMeSet = ((ICheckBoxControl)sender).Checked;
1411                 }
1412         }
1413 }
1414