mcs/class/System.Web/System.Web.UI/Control.cs

   1 //
   2 // System.Web.UI.Control.cs
   3 //
   4 // Authors:
   5 //   Bob Smith <bob@thestuff.net>
   6 //   Gonzalo Paniagua Javier (gonzalo@ximian.com
   7 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   8 //   Sanjay Gupta (gsanjay@novell.com)
   9 //
  10 // (C) Bob Smith
  11 // (c) 2002,2003 Ximian, Inc. (http://www.ximian.com)
  12 // (C) 2004 Novell, Inc. (http://www.novell.com)
  13 //
  14
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35
  36 // This will provide extra information when trace is enabled. Might be too verbose.
  37 #define MONO_TRACE
  38
  39 using System.Collections;
  40 using System.ComponentModel;
  41 using System.ComponentModel.Design;
  42 using System.ComponentModel.Design.Serialization;
  43 using System.Security.Permissions;
  44 using System.Web;
  45 using System.Web.Util;
  46 #if NET_2_0
  47 using System.Web.UI.Adapters;
  48 using System.IO;
  49 #endif
  50
  51 namespace System.Web.UI
  52 {
  53         // CAS
  54         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  55         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  56         // attributes
  57         [DefaultProperty ("ID"), DesignerCategory ("Code"), ToolboxItemFilter ("System.Web.UI", ToolboxItemFilterType.Require)]
  58         [ToolboxItem ("System.Web.UI.Design.WebControlToolboxItem, " + Consts.AssemblySystem_Design)]
  59         [Designer ("System.Web.UI.Design.ControlDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  60 #if NET_2_0
  61         [DesignerSerializer ("Microsoft.VisualStudio.Web.WebForms.ControlCodeDomSerializer, " + Consts.AssemblyMicrosoft_VisualStudio_Web,
  62                                 "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
  63         [Bindable (true)]
  64         [Themeable (false)]
  65 #else
  66         [DesignerSerializer ("Microsoft.VSDesigner.WebForms.ControlCodeDomSerializer, " + Consts.AssemblyMicrosoft_VSDesigner,
  67                                 "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
  68 #endif
  69         public class Control : IComponent, IDisposable, IParserAccessor, IDataBindingsAccessor
  70 #if NET_2_0
  71         , IUrlResolutionService, IControlBuilderAccessor, IControlDesignerAccessor, IExpressionsAccessor
  72 #endif
  73         {
  74                 static readonly object DataBindingEvent = new object();
  75                 static readonly object DisposedEvent = new object();
  76                 static readonly object InitEvent = new object();
  77                 static readonly object LoadEvent = new object();
  78                 static readonly object PreRenderEvent = new object();
  79                 static readonly object UnloadEvent = new object();
  80                 static string[] defaultNameArray;
  81                 /* */
  82                 int event_mask;
  83                 const int databinding_mask = 1;
  84                 const int disposed_mask = 1 << 1;
  85                 const int init_mask = 1 << 2;
  86                 const int load_mask = 1 << 3;
  87                 const int prerender_mask = 1 << 4;
  88                 const int unload_mask = 1 << 5;
  89                 /* */
  90
  91                 string uniqueID;
  92                 string _userId;
  93                 ControlCollection _controls;
  94                 Control _namingContainer;
  95                 Page _page;
  96                 Control _parent;
  97                 ISite _site;
  98                 HttpContext _context;
  99                 StateBag _viewState;
 100                 EventHandlerList _events;
 101                 RenderMethod _renderMethodDelegate;
 102                 int defaultNumberID;
 103
 104                 DataBindingCollection dataBindings;
 105                 Hashtable pendingVS; // may hold unused viewstate data from child controls
 106
 107
 108                 /*************/
 109                 int stateMask;
 110                 const int ENABLE_VIEWSTATE      = 1;
 111                 const int VISIBLE               = 1 << 1;
 112                 const int AUTOID                = 1 << 2;
 113                 const int CREATING_CONTROLS     = 1 << 3;
 114                 const int BINDING_CONTAINER     = 1 << 4;
 115                 const int AUTO_EVENT_WIREUP     = 1 << 5;
 116                 const int IS_NAMING_CONTAINER   = 1 << 6;
 117                 const int VISIBLE_CHANGED       = 1 << 7;
 118                 const int TRACK_VIEWSTATE       = 1 << 8;
 119                 const int CHILD_CONTROLS_CREATED = 1 << 9;
 120                 const int ID_SET                = 1 << 10;
 121                 const int INITED                = 1 << 11;
 122                 const int INITING               = 1 << 12;
 123                 const int VIEWSTATE_LOADED      = 1 << 13;
 124                 const int LOADED                = 1 << 14;
 125                 const int PRERENDERED           = 1 << 15;
 126 #if NET_2_0
 127                 const int ENABLE_THEMING        = 1 << 16;
 128 #endif
 129                 /*************/
 130
 131                 static Control ()
 132                 {
 133                         defaultNameArray = new string [100];
 134                         for (int i = 0 ; i < 100 ; i++)
 135                                 defaultNameArray [i] = "_ctl" + i;
 136                 }
 137
 138                 public Control()
 139                 {
 140                         stateMask = ENABLE_VIEWSTATE | VISIBLE | AUTOID | BINDING_CONTAINER | AUTO_EVENT_WIREUP;
 141                         if (this is INamingContainer)
 142                                 stateMask |= IS_NAMING_CONTAINER;
 143                 }
 144
 145 #if NET_2_0
 146                 [MonoTODO]
 147                 protected ControlAdapter Adapter
 148                 {
 149                         get {
 150                                 // for the time being, fool the
 151                                 // Control machinery into thinking we
 152                                 // don't have an Adapter.  This will
 153                                 // allow us to write all the rest of
 154                                 // the Adapter handling code without
 155                                 // having to worry about *having*
 156                                 // adapters.
 157                                 return null;
 158                         }
 159                 }
 160
 161                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 162                 [Browsable (false)]
 163                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 164                 public string AppRelativeTemplateSourceDirectory
 165                 {
 166                         get {
 167                                 throw new NotImplementedException ();
 168                         }
 169                         [EditorBrowsable (EditorBrowsableState.Never)]
 170                         set {
 171                                 throw new NotImplementedException ();
 172                         }
 173                 }
 174
 175 #endif
 176
 177                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 178                 [EditorBrowsable (EditorBrowsableState.Never), Browsable (false)]
 179                 public Control BindingContainer {
 180                         get {
 181                                 Control container = NamingContainer;
 182                                 if ((container.stateMask & BINDING_CONTAINER) == 0)
 183                                         container = container.BindingContainer;
 184                                 return container;
 185                         }
 186                 }
 187
 188                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 189                 [Browsable (false)]
 190                 [WebSysDescription ("An Identification of the control that is rendered.")]
 191                 public virtual string ClientID {
 192                         get {
 193                                 string client = UniqueID;
 194
 195                                 if (client != null)
 196                                         client = client.Replace (':', '_');
 197
 198                                 return client;
 199                         }
 200                 }
 201
 202 #if NET_2_0
 203                 protected char ClientIDSeparator
 204                 {
 205                         get {
 206                                 throw new NotImplementedException ();
 207                         }
 208                 }
 209 #endif
 210
 211                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 212                 [Browsable (false)]
 213                 [WebSysDescription ("The child controls of this control.")]
 214                 public virtual ControlCollection Controls //DIT
 215                 {
 216                         get
 217                         {
 218                                 if (_controls == null) _controls = CreateControlCollection();
 219                                 return _controls;
 220                         }
 221                 }
 222
 223 #if NET_2_0
 224                 protected internal bool DesignMode
 225                 {
 226                         get {
 227                                 throw new NotImplementedException ();
 228                         }
 229                 }
 230 #endif
 231
 232                 [DefaultValue (true), WebCategory ("Behavior")]
 233                 [WebSysDescription ("An Identification of the control that is rendered.")]
 234 #if NET_2_0
 235                 [Themeable (false)]
 236 #endif
 237                 public virtual bool EnableViewState {
 238                         get { return ((stateMask & ENABLE_VIEWSTATE) != 0); }
 239                         set { SetMask (ENABLE_VIEWSTATE, value); }
 240                 }
 241
 242                 [MergableProperty (false), ParenthesizePropertyName (true)]
 243                 [WebSysDescription ("The name of the control that is rendered.")]
 244 #if NET_2_0
 245                 [Filterable (false), Themeable (false)]
 246 #endif
 247
 248                 public virtual string ID {
 249                         get {
 250                                 return (((stateMask & ID_SET) != 0) ? _userId : null);
 251                         }
 252
 253                         set {
 254                                 if (value == "")
 255                                         value = null;
 256
 257                                 stateMask |= ID_SET;
 258                                 _userId = value;
 259                                 NullifyUniqueID ();
 260                         }
 261                 }
 262
 263 #if NET_2_0
 264                 protected char IdSeparator
 265                 {
 266                         get {
 267                                 throw new NotImplementedException ();
 268                         }
 269                 }
 270
 271                 protected internal bool IsChildControlStateCleared
 272                 {
 273                         get {
 274                                 throw new NotImplementedException ();
 275                         }
 276                 }
 277
 278                 protected internal bool IsViewStateEnabled
 279                 {
 280                         get {
 281                                 throw new NotImplementedException ();
 282                         }
 283                 }
 284
 285                 protected bool LoadViewStateByID
 286                 {
 287                         get {
 288                                 throw new NotImplementedException ();
 289                         }
 290                 }
 291 #endif
 292
 293                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 294                 [Browsable (false)]
 295                 [WebSysDescription ("The container that this control is part of. The control's name has to be unique within the container.")]
 296                 public virtual Control NamingContainer {
 297                         get {
 298                                 if (_namingContainer == null && _parent != null) {
 299                                         if ((_parent.stateMask & IS_NAMING_CONTAINER) == 0)
 300                                                 _namingContainer = _parent.NamingContainer;
 301                                         else
 302                                                 _namingContainer = _parent;
 303                                 }
 304
 305                                 return _namingContainer;
 306                         }
 307                 }
 308
 309                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 310                 [Browsable (false)]
 311                 [WebSysDescription ("The webpage that this control resides on.")]
 312 #if NET_2_0
 313                 [Bindable (false)]
 314 #endif
 315                 public virtual Page Page //DIT
 316                 {
 317                         get
 318                         {
 319                                 if (_page == null && _parent != null) _page = _parent.Page;
 320                                 return _page;
 321                         }
 322                         set
 323                         {
 324                                 _page = value;
 325                         }
 326                 }
 327
 328                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 329                 [Browsable (false)]
 330                 [WebSysDescription ("The parent control of this control.")]
 331                 public virtual Control Parent //DIT
 332                 {
 333                         get
 334                         {
 335                                 return _parent;
 336                         }
 337                 }
 338
 339                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 340                 [EditorBrowsable (EditorBrowsableState.Advanced), Browsable (false)]
 341                 [WebSysDescription ("The site this control is part of.")]
 342                 public ISite Site //DIT
 343                 {
 344                         get
 345                         {
 346                                 return _site;
 347                         }
 348                         set
 349                         {
 350                                 _site = value;
 351                         }
 352                 }
 353
 354 #if NET_2_0
 355                 [Browsable (false)]
 356                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 357                 public TemplateControl TemplateControl
 358                 {
 359                         get {
 360                                 throw new NotImplementedException ();
 361                         }
 362                         [EditorBrowsable (EditorBrowsableState.Never)]
 363                         set {
 364                                 throw new NotImplementedException ();
 365                         }
 366                 }
 367 #endif
 368
 369                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 370                 [Browsable (false)]
 371                 [WebSysDescription ("A virtual directory containing the parent of the control.")]
 372                 public virtual string TemplateSourceDirectory {
 373                         get { return (_parent == null) ? String.Empty : _parent.TemplateSourceDirectory; }
 374                 }
 375
 376                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 377                 [Browsable (false)]
 378                 [WebSysDescription ("The unique ID of the control.")]
 379                 public virtual string UniqueID {
 380                         get {
 381                                 if (uniqueID != null)
 382                                         return uniqueID;
 383
 384                                 if (_namingContainer == null) {
 385                                         if ((stateMask & IS_NAMING_CONTAINER) == 0)
 386                                                 _namingContainer = NamingContainer;
 387                                         if (_namingContainer == null)
 388                                                 return _userId;
 389                                 }
 390
 391                                 if (_userId == null)
 392                                         _userId = _namingContainer.GetDefaultName ();
 393
 394                                 string prefix = _namingContainer.UniqueID;
 395                                 if (_namingContainer == _page || prefix == null) {
 396                                         uniqueID = _userId;
 397                                         return uniqueID;
 398                                 }
 399
 400                                 uniqueID = prefix + ":" + _userId;
 401                                 return uniqueID;
 402                         }
 403                 }
 404
 405                 void SetMask (int m, bool val)
 406                 {
 407                         if (val)
 408                                 stateMask |= m;
 409                         else
 410                                 stateMask &= ~m;
 411                 }
 412
 413                 [DefaultValue (true), Bindable (true), WebCategory ("Behavior")]
 414                 [WebSysDescription ("Visiblity state of the control.")]
 415                 public virtual bool Visible {
 416                         get {
 417                                 if ((stateMask & VISIBLE) == 0)
 418                                         return false;
 419
 420                                 if (_parent != null)
 421                                         return _parent.Visible;
 422
 423                                 return true;
 424                         }
 425
 426                         set {
 427                                 if ((value && (stateMask & VISIBLE) == 0) ||
 428                                     (!value && (stateMask & VISIBLE) != 0)) {
 429                                         if (IsTrackingViewState)
 430                                                 stateMask |= VISIBLE_CHANGED;
 431                                 }
 432
 433                                 SetMask (VISIBLE, value);
 434                         }
 435                 }
 436
 437                 protected bool ChildControlsCreated {
 438                         get { return ((stateMask & CHILD_CONTROLS_CREATED) != 0); }
 439                         set {
 440                                 if (value == false && (stateMask & CHILD_CONTROLS_CREATED) != 0)
 441                                         Controls.Clear();
 442
 443                                 SetMask (CHILD_CONTROLS_CREATED, value);
 444                         }
 445                 }
 446
 447                 [Browsable (false)]
 448                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 449                 protected virtual HttpContext Context //DIT
 450                 {
 451                         get
 452                         {
 453                                 HttpContext context;
 454                                 if (_context != null)
 455                                         return _context;
 456                                 if (_parent == null)
 457                                         return HttpContext.Current;
 458                                 context = _parent.Context;
 459                                 if (context != null)
 460                                         return context;
 461                                 return HttpContext.Current;
 462                         }
 463                 }
 464
 465                 protected EventHandlerList Events {
 466                         get {
 467                                 if (_events == null)
 468                                         _events = new EventHandlerList ();
 469                                 return _events;
 470                         }
 471                 }
 472
 473                 protected bool HasChildViewState {
 474                         get {
 475                                 return (pendingVS != null && pendingVS.Count > 0);
 476                         }
 477                 }
 478
 479                 protected bool IsTrackingViewState {
 480                         get { return ((stateMask & TRACK_VIEWSTATE) != 0); }
 481                 }
 482
 483                 [Browsable (false)]
 484                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 485                 [WebSysDescription ("ViewState")]
 486                 protected virtual StateBag ViewState
 487                 {
 488                         get
 489                         {
 490                                 if(_viewState == null)
 491                                         _viewState = new StateBag (ViewStateIgnoresCase);
 492
 493                                 if (IsTrackingViewState)
 494                                         _viewState.TrackViewState ();
 495
 496                                 return _viewState;
 497                         }
 498                 }
 499
 500                 [Browsable (false)]
 501                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 502                 protected virtual bool ViewStateIgnoresCase
 503                 {
 504                         get {
 505                                 return false;
 506                         }
 507                 }
 508
 509                 internal bool AutoEventWireup {
 510                         get { return (stateMask & AUTO_EVENT_WIREUP) != 0; }
 511                         set { SetMask (AUTO_EVENT_WIREUP, value); }
 512                 }
 513
 514                 internal void SetBindingContainer (bool isBC)
 515                 {
 516                         SetMask (BINDING_CONTAINER, isBC);
 517                 }
 518
 519                 internal void ResetChildNames ()
 520                 {
 521                         defaultNumberID = 0;
 522                 }
 523
 524                 string GetDefaultName ()
 525                 {
 526                         string defaultName;
 527                         if (defaultNumberID > 99) {
 528                                 defaultName = "_ctl" + defaultNumberID++;
 529                         } else {
 530                                 defaultName = defaultNameArray [defaultNumberID++];
 531                         }
 532                         return defaultName;
 533                 }
 534
 535                 void NullifyUniqueID ()
 536                 {
 537                         uniqueID = null;
 538                         if (!HasControls ())
 539                                 return;
 540
 541                         foreach (Control c in Controls)
 542                                 c.NullifyUniqueID ();
 543                 }
 544
 545                 protected internal virtual void AddedControl (Control control, int index)
 546                 {
 547                         /* Ensure the control don't have more than 1 parent */
 548                         if (control._parent != null)
 549                                 control._parent.Controls.Remove (control);
 550
 551                         control._parent = this;
 552                         control._page = _page;
 553                         Control nc = ((stateMask & IS_NAMING_CONTAINER) != 0) ? this : NamingContainer;
 554
 555                         if (nc != null) {
 556                                 control._namingContainer = nc;
 557                                 if (control.AutoID == true && control._userId == null)
 558                                         control._userId =  nc.GetDefaultName ();
 559                         }
 560
 561                         if ((stateMask & (INITING | INITED)) != 0)
 562                                 control.InitRecursive (nc);
 563
 564                         if ((stateMask & (VIEWSTATE_LOADED | LOADED)) != 0) {
 565                                 if (pendingVS != null) {
 566                                         object vs = pendingVS [index];
 567                                         if (vs != null) {
 568                                                 pendingVS.Remove (index);
 569                                                 if (pendingVS.Count == 0)
 570                                                         pendingVS = null;
 571
 572                                                 control.LoadViewStateRecursive (vs);
 573                                         }
 574                                 }
 575                         }
 576
 577                         if ((stateMask & LOADED) != 0)
 578                                 control.LoadRecursive ();
 579
 580                         if ((stateMask & PRERENDERED) != 0)
 581                                 control.PreRenderRecursiveInternal ();
 582                 }
 583
 584                 protected virtual void AddParsedSubObject(object obj) //DIT
 585                 {
 586                         Control c = obj as Control;
 587                         if (c != null) Controls.Add(c);
 588                 }
 589
 590 #if NET_2_0
 591                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 592                 public virtual void ApplyStyleSheetSkin (Page page)
 593                 {
 594                         throw new NotImplementedException ();
 595                 }
 596 #endif
 597
 598                 protected void BuildProfileTree(string parentId, bool calcViewState)
 599                 {
 600                         //TODO
 601                 }
 602
 603 #if NET_2_0
 604                 protected void ClearChildControlState ()
 605                 {
 606                         throw new NotImplementedException ();
 607                 }
 608
 609                 protected void ClearChildState ()
 610                 {
 611                         throw new NotImplementedException ();
 612                 }
 613 #endif
 614
 615                 protected void ClearChildViewState ()
 616                 {
 617                         pendingVS = null;
 618                 }
 619
 620 #if NET_2_0
 621                 protected internal
 622 #else
 623                 protected
 624 #endif
 625                 virtual void CreateChildControls() {} //DIT
 626
 627                 protected virtual ControlCollection CreateControlCollection() //DIT
 628                 {
 629                         return new ControlCollection(this);
 630                 }
 631
 632                 protected virtual void EnsureChildControls ()
 633                 {
 634                         if (ChildControlsCreated == false && (stateMask & CREATING_CONTROLS) == 0) {
 635                                 stateMask |= CREATING_CONTROLS;
 636 #if NET_2_0
 637                                 if (Adapter != null)
 638                                         Adapter.CreateChildControls ();
 639                                 else
 640 #endif
 641                                         CreateChildControls();
 642                                 ChildControlsCreated = true;
 643                                 stateMask &= ~CREATING_CONTROLS;
 644                         }
 645                 }
 646
 647 #if NET_2_0
 648                 protected void EnsureID ()
 649                 {
 650                         throw new NotImplementedException ();
 651                 }
 652
 653                 protected bool HasEvents ()
 654                 {
 655                         throw new NotImplementedException ();
 656                 }
 657
 658 #endif
 659
 660
 661                 protected bool IsLiteralContent()
 662                 {
 663                         if (HasControls () && Controls.Count == 1 && (Controls [0] is LiteralControl))
 664                                 return true;
 665
 666                         return false;
 667                 }
 668
 669                 [WebSysDescription ("")]
 670                 public virtual Control FindControl (string id)
 671                 {
 672                         return FindControl (id, 0);
 673                 }
 674
 675                 Control LookForControlByName (string id)
 676                 {
 677                         if (!HasControls ())
 678                                 return null;
 679
 680                         Control result = null;
 681                         foreach (Control c in Controls) {
 682                                 if (String.Compare (id, c._userId, true) == 0) {
 683                                         if (result != null && result != c) {
 684                                                 throw new HttpException ("1 Found more than one control with ID '" + id + "'");
 685                                         }
 686
 687                                         result = c;
 688                                         continue;
 689                                 }
 690
 691                                 if ((c.stateMask & IS_NAMING_CONTAINER) == 0 && c.HasControls ()) {
 692                                         Control child = c.LookForControlByName (id);
 693                                         if (child != null) {
 694                                                 if (result != null && result != child)
 695                                                         throw new HttpException ("2 Found more than one control with ID '" + id + "'");
 696
 697                                                 result = child;
 698                                         }
 699                                 }
 700                         }
 701
 702                         return result;
 703                 }
 704
 705                 protected virtual Control FindControl (string id, int pathOffset)
 706                 {
 707                         EnsureChildControls ();
 708                         Control namingContainer = null;
 709                         if ((stateMask & IS_NAMING_CONTAINER) == 0) {
 710                                 namingContainer = NamingContainer;
 711                                 if (namingContainer == null)
 712                                         return null;
 713
 714                                 return namingContainer.FindControl (id, pathOffset);
 715                         }
 716
 717                         if (!HasControls ())
 718                                 return null;
 719
 720                         int colon = id.IndexOf (':', pathOffset);
 721                         if (colon == -1)
 722                                 return LookForControlByName (id.Substring (pathOffset));
 723
 724                         string idfound = id.Substring (pathOffset, colon - pathOffset);
 725                         namingContainer = LookForControlByName (idfound);
 726                         if (namingContainer == null)
 727                                 return null;
 728
 729                         return namingContainer.FindControl (id, colon + 1);
 730                 }
 731
 732                 protected virtual void LoadViewState(object savedState)
 733                 {
 734                         if (savedState != null) {
 735                                 ViewState.LoadViewState (savedState);
 736                                 object o = ViewState ["Visible"];
 737                                 if (o != null) {
 738                                         SetMask (VISIBLE, (bool) o);
 739                                         stateMask |= VISIBLE_CHANGED;
 740                                 }
 741                         }
 742                 }
 743
 744                 [MonoTODO("Secure?")]
 745                 protected string MapPathSecure(string virtualPath)
 746                 {
 747                         string combined = UrlUtils.Combine (TemplateSourceDirectory, virtualPath);
 748                         return Context.Request.MapPath (combined);
 749                 }
 750
 751                 protected virtual bool OnBubbleEvent(object source, EventArgs args) //DIT
 752                 {
 753 #if MONO_TRACE
 754                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 755                         string type_name = null;
 756                         if (trace != null) {
 757                                 type_name = GetType ().Name;
 758                                 trace.Write ("control", String.Format ("OnBubbleEvent {0} {1}", _userId, type_name));
 759                         }
 760 #endif
 761                         return false;
 762                 }
 763
 764                 protected virtual void OnDataBinding (EventArgs e)
 765                 {
 766                         if ((event_mask & databinding_mask) != 0) {
 767                                 EventHandler eh = (EventHandler)(_events [DataBindingEvent]);
 768                                 if (eh != null) {
 769 #if MONO_TRACE
 770                                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 771                                         string type_name = null;
 772                                         if (trace != null) {
 773                                                 type_name = GetType ().Name;
 774                                                 trace.Write ("control", String.Format ("OnDataBinding {0} {1}", _userId, type_name));
 775                                         }
 776 #endif
 777                                         eh (this, e);
 778                                 }
 779                         }
 780                 }
 781
 782 #if NET_2_0
 783                 protected internal
 784 #else
 785                 protected
 786 #endif
 787                 virtual void OnInit (EventArgs e)
 788                 {
 789                         if ((event_mask & init_mask) != 0) {
 790                                 EventHandler eh = (EventHandler)(_events [InitEvent]);
 791                                 if (eh != null) {
 792 #if MONO_TRACE
 793                                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 794                                         string type_name = null;
 795                                         if (trace != null) {
 796                                                 type_name = GetType ().Name;
 797                                                 trace.Write ("control", String.Format ("OnInit {0} {1}", _userId, type_name));
 798                                         }
 799 #endif
 800                                         eh (this, e);
 801                                 }
 802                         }
 803                 }
 804
 805 #if NET_2_0
 806                 protected internal
 807 #else
 808                 protected
 809 #endif
 810                 virtual void OnLoad (EventArgs e)
 811                 {
 812                         if ((event_mask & load_mask) != 0) {
 813                                 EventHandler eh = (EventHandler)(_events [LoadEvent]);
 814                                 if (eh != null) {
 815 #if MONO_TRACE
 816                                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 817                                         string type_name = null;
 818                                         if (trace != null) {
 819                                                 type_name = GetType ().Name;
 820                                                 trace.Write ("control", String.Format ("OnLoad {0} {1}", _userId, type_name));
 821                                         }
 822 #endif
 823                                         eh (this, e);
 824                                 }
 825                         }
 826                 }
 827
 828 #if NET_2_0
 829                 protected internal
 830 #else
 831                 protected
 832 #endif
 833                 virtual void OnPreRender (EventArgs e)
 834                 {
 835                         if ((event_mask & prerender_mask) != 0) {
 836                                 EventHandler eh = (EventHandler)(_events [PreRenderEvent]);
 837                                 if (eh != null) {
 838 #if MONO_TRACE
 839                                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 840                                         string type_name = null;
 841                                         if (trace != null) {
 842                                                 type_name = GetType ().Name;
 843                                                 trace.Write ("control", String.Format ("OnPreRender {0} {1}", _userId, type_name));
 844                                         }
 845 #endif
 846                                         eh (this, e);
 847                                 }
 848                         }
 849                 }
 850
 851 #if NET_2_0
 852                 protected internal
 853 #else
 854                 protected
 855 #endif
 856                 virtual void OnUnload(EventArgs e)
 857                 {
 858                         if ((event_mask & unload_mask) != 0) {
 859                                 EventHandler eh = (EventHandler)(_events [UnloadEvent]);
 860                                 if (eh != null) {
 861 #if MONO_TRACE
 862                                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 863                                         string type_name = null;
 864                                         if (trace != null) {
 865                                                 type_name = GetType ().Name;
 866                                                 trace.Write ("control", String.Format ("OnUnload {0} {1}", _userId, type_name));
 867                                         }
 868 #endif
 869                                         eh (this, e);
 870                                 }
 871                         }
 872                 }
 873
 874 #if NET_2_0
 875                 protected internal Stream OpenFile (string path)
 876                 {
 877                         throw new NotImplementedException ();
 878                 }
 879 #endif
 880
 881                 protected void RaiseBubbleEvent(object source, EventArgs args)
 882                 {
 883                         Control c = Parent;
 884                         while (c != null) {
 885 #if MONO_TRACE
 886                                 TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
 887                                 string type_name = null;
 888                                 if (trace != null) {
 889                                         type_name = GetType ().Name;
 890                                         trace.Write ("control", String.Format ("RaiseBubbleEvent {0} {1}", _userId, type_name));
 891                                 }
 892 #endif
 893                                 if (c.OnBubbleEvent (source, args)) {
 894 #if MONO_TRACE
 895                                         if (trace != null)
 896                                                 trace.Write ("control", String.Format ("End RaiseBubbleEvent (false) {0} {1}", _userId, type_name));
 897 #endif
 898                                         break;
 899                                 }
 900 #if MONO_TRACE
 901                                 if (trace != null)
 902                                         trace.Write ("control", String.Format ("End RaiseBubbleEvent (true) {0} {1}", _userId, type_name));
 903 #endif
 904                                 c = c.Parent;
 905                         }
 906                 }
 907
 908 #if NET_2_0
 909                 protected internal
 910 #else
 911                 protected
 912 #endif
 913                 virtual void Render(HtmlTextWriter writer) //DIT
 914                 {
 915                         RenderChildren(writer);
 916                 }
 917
 918 #if NET_2_0
 919                 protected internal
 920 #else
 921                 protected
 922 #endif
 923                 virtual void RenderChildren (HtmlTextWriter writer) //DIT
 924                 {
 925                         if (_renderMethodDelegate != null) {
 926                                 _renderMethodDelegate (writer, this);
 927                         } else if (HasControls ()) {
 928                                 int len = Controls.Count;
 929                                 for (int i = 0; i < len; i++) {
 930                                         Control c = Controls [i];
 931 #if NET_2_0
 932                                         if (c.Adapter != null)
 933                                                 c.RenderControl (writer, c.Adapter);
 934                                         else
 935 #endif
 936                                                 c.RenderControl (writer);
 937                                 }
 938                         }
 939                 }
 940
 941 #if NET_2_0
 942                 protected virtual ControlAdapter ResolveAdapter ()
 943                 {
 944                         throw new NotImplementedException ();
 945                 }
 946 #endif
 947
 948                 protected virtual object SaveViewState ()
 949                 {
 950                         if ((stateMask & VISIBLE_CHANGED) != 0) {
 951                                 ViewState ["Visible"] = (stateMask & VISIBLE) != 0;
 952                         } else if (_viewState == null) {
 953                                 return null;
 954                         }
 955
 956                         return _viewState.SaveViewState ();
 957                 }
 958
 959                 protected virtual void TrackViewState()
 960                 {
 961                         if (_viewState != null)
 962                                 _viewState.TrackViewState ();
 963
 964                         stateMask |= TRACK_VIEWSTATE;
 965                 }
 966
 967                 public virtual void Dispose ()
 968                 {
 969                         if ((event_mask & disposed_mask) != 0) {
 970                                 EventHandler eh = (EventHandler)(_events [DisposedEvent]);
 971                                 if (eh != null) eh (this, EventArgs.Empty);
 972                         }
 973                 }
 974
 975                 [WebCategory ("FIXME")]
 976                 [WebSysDescription ("Raised when the contols databound properties are evaluated.")]
 977                 public event EventHandler DataBinding {
 978                         add {
 979                                 event_mask |= databinding_mask;
 980                                 Events.AddHandler (DataBindingEvent, value);
 981                         }
 982                         remove { Events.RemoveHandler (DataBindingEvent, value); }
 983                 }
 984
 985                 [WebSysDescription ("Raised when the contol is disposed.")]
 986                 public event EventHandler Disposed {
 987                         add {
 988                                 event_mask |= disposed_mask;
 989                                 Events.AddHandler (DisposedEvent, value);
 990                         }
 991                         remove { Events.RemoveHandler (DisposedEvent, value); }
 992                 }
 993
 994                 [WebSysDescription ("Raised when the page containing the control is initialized.")]
 995                 public event EventHandler Init {
 996                         add {
 997                                 event_mask |= init_mask;
 998                                 Events.AddHandler (InitEvent, value);
 999                         }
1000                         remove { Events.RemoveHandler (InitEvent, value); }
1001                 }
1002
1003                 [WebSysDescription ("Raised after the page containing the control has been loaded.")]
1004                 public event EventHandler Load {
1005                         add {
1006                                 event_mask |= load_mask;
1007                                 Events.AddHandler (LoadEvent, value);
1008                         }
1009                         remove { Events.RemoveHandler (LoadEvent, value); }
1010                 }
1011
1012                 [WebSysDescription ("Raised before the page containing the control is rendered.")]
1013                 public event EventHandler PreRender {
1014                         add {
1015                                 event_mask |= prerender_mask;
1016                                 Events.AddHandler (PreRenderEvent, value);
1017                         }
1018                         remove { Events.RemoveHandler (PreRenderEvent, value); }
1019                 }
1020
1021                 [WebSysDescription ("Raised when the page containing the control is unloaded.")]
1022                 public event EventHandler Unload {
1023                         add {
1024                                 event_mask |= unload_mask;
1025                                 Events.AddHandler (UnloadEvent, value);
1026                         }
1027                         remove { Events.RemoveHandler (UnloadEvent, value); }
1028                 }
1029
1030                 public virtual void DataBind() //DIT
1031                 {
1032                         #if NET_2_0
1033                         DataBind (true);
1034                         #else
1035                         OnDataBinding (EventArgs.Empty);
1036                         DataBindChildren();
1037                         #endif
1038                 }
1039
1040                 #if NET_2_0
1041                 protected virtual
1042                 #endif
1043
1044                 void DataBindChildren ()
1045                 {
1046                         if (!HasControls ())
1047                                 return;
1048
1049                         int len = Controls.Count;
1050                         for (int i = 0; i < len; i++) {
1051                                 Control c = Controls [i];
1052                                 c.DataBind ();
1053                         }
1054                 }
1055
1056
1057                 public virtual bool HasControls ()
1058                 {
1059                     return (_controls != null && _controls.Count > 0);
1060                 }
1061
1062 #if NET_2_0
1063                 public virtual
1064 #else
1065                 public
1066 #endif
1067                 void RenderControl (HtmlTextWriter writer)
1068                 {
1069                         if ((stateMask & VISIBLE) != 0) {
1070                                 HttpContext ctx = Context;
1071                                 TraceContext trace = (ctx != null) ? ctx.Trace : null;
1072                                 int pos = 0;
1073                                 if ((trace != null) && trace.IsEnabled)
1074                                         pos = ctx.Response.GetOutputByteCount ();
1075
1076                                 Render(writer);
1077                                 if ((trace != null) && trace.IsEnabled) {
1078                                         int size = ctx.Response.GetOutputByteCount () - pos;
1079                                         trace.SaveSize (this, size >= 0 ? size : 0);
1080                                 }
1081                         }
1082                 }
1083
1084 #if NET_2_0
1085                 protected void RenderControl (HtmlTextWriter writer,
1086                                               ControlAdapter adapter)
1087                 {
1088                         if ((stateMask & VISIBLE) != 0) {
1089                                 adapter.BeginRender (writer);
1090                                 adapter.Render (writer);
1091                                 adapter.EndRender (writer);
1092                         }
1093                 }
1094 #endif
1095
1096                 public string ResolveUrl (string relativeUrl)
1097                 {
1098                         if (relativeUrl == null)
1099                                 throw new ArgumentNullException ("relativeUrl");
1100
1101                         if (relativeUrl == "")
1102                                 return "";
1103
1104                         if (relativeUrl [0] == '#')
1105                                 return relativeUrl;
1106
1107                         string ts = TemplateSourceDirectory;
1108                         if (ts == "" || !UrlUtils.IsRelativeUrl (relativeUrl))
1109                                 return relativeUrl;
1110
1111                         HttpResponse resp = Context.Response;
1112                         return resp.ApplyAppPathModifier (UrlUtils.Combine (ts, relativeUrl));
1113                 }
1114
1115                 internal bool HasRenderMethodDelegate () {
1116                         return _renderMethodDelegate != null;
1117                 }
1118
1119                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1120                 public void SetRenderMethodDelegate(RenderMethod renderMethod) //DIT
1121                 {
1122                         _renderMethodDelegate = renderMethod;
1123                 }
1124
1125                 internal void LoadRecursive()
1126                 {
1127 #if MONO_TRACE
1128                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1129                         string type_name = null;
1130                         if (trace != null) {
1131                                 type_name = GetType ().Name;
1132                                 trace.Write ("control", String.Format ("LoadRecursive {0} {1}", _userId, type_name));
1133                         }
1134 #endif
1135 #if NET_2_0
1136                         if (Adapter != null)
1137                                 Adapter.OnLoad (EventArgs.Empty);
1138                         else
1139 #endif
1140                                 OnLoad (EventArgs.Empty);
1141                         if (HasControls ()) {
1142                                 int len = Controls.Count;
1143                                 for (int i=0;i<len;i++)
1144                                 {
1145                                         Control c = Controls[i];
1146                                         c.LoadRecursive ();
1147                                 }
1148                         }
1149
1150 #if MONO_TRACE
1151                         if (trace != null)
1152                                 trace.Write ("control", String.Format ("End LoadRecursive {0} {1}", _userId, type_name));
1153 #endif
1154                         stateMask |= LOADED;
1155                 }
1156
1157                 internal void UnloadRecursive(Boolean dispose)
1158                 {
1159 #if MONO_TRACE
1160                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1161                         string type_name = null;
1162                         if (trace != null) {
1163                                 type_name = GetType ().Name;
1164                                 trace.Write ("control", String.Format ("UnloadRecursive {0} {1}", _userId, type_name));
1165                         }
1166 #endif
1167                         if (HasControls ()) {
1168                                 int len = Controls.Count;
1169                                 for (int i=0;i<len;i++)
1170                                 {
1171                                         Control c = Controls[i];
1172                                         c.UnloadRecursive (dispose);
1173                                 }
1174                         }
1175
1176 #if MONO_TRACE
1177                         if (trace != null)
1178                                 trace.Write ("control", String.Format ("End UnloadRecursive {0} {1}", _userId, type_name));
1179 #endif
1180 #if NET_2_0
1181                         if (Adapter != null)
1182                                 Adapter.OnUnload (EventArgs.Empty);
1183                         else
1184 #endif
1185                                 OnUnload (EventArgs.Empty);
1186                         if (dispose)
1187                                 Dispose();
1188                 }
1189
1190                 internal void PreRenderRecursiveInternal()
1191                 {
1192                         if ((stateMask & VISIBLE) != 0) {
1193                                 EnsureChildControls ();
1194 #if MONO_TRACE
1195                                 TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1196                                 string type_name = null;
1197                                 if (trace != null) {
1198                                         type_name = GetType ().Name;
1199                                         trace.Write ("control", String.Format ("PreRenderRecursive {0} {1}", _userId, type_name));
1200                                 }
1201 #endif
1202 #if NET_2_0
1203                                 if (Adapter != null)
1204                                         Adapter.OnPreRender (EventArgs.Empty);
1205                                 else
1206 #endif
1207                                         OnPreRender (EventArgs.Empty);
1208                                 if (!HasControls ())
1209                                         return;
1210
1211                                 int len = Controls.Count;
1212                                 for (int i=0;i<len;i++)
1213                                 {
1214                                         Control c = Controls[i];
1215                                         c.PreRenderRecursiveInternal ();
1216                                 }
1217 #if MONO_TRACE
1218                                 if (trace != null)
1219                                         trace.Write ("control", String.Format ("End PreRenderRecursive {0} {1}", _userId, type_name));
1220 #endif
1221                         }
1222                         stateMask |= PRERENDERED;
1223                 }
1224
1225                 internal void InitRecursive(Control namingContainer)
1226                 {
1227 #if MONO_TRACE
1228                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1229                         string type_name = null;
1230                         if (trace != null) {
1231                                 type_name = GetType ().Name;
1232                                 trace.Write ("control", String.Format ("InitRecursive {0} {1}", _userId, type_name));
1233                         }
1234 #endif
1235
1236                         if (HasControls ()) {
1237                                 if ((stateMask & IS_NAMING_CONTAINER) != 0)
1238                                         namingContainer = this;
1239
1240                                 if (namingContainer != null &&
1241                                     namingContainer._userId == null &&
1242                                     namingContainer.AutoID)
1243                                         namingContainer._userId = namingContainer.GetDefaultName () + "b";
1244
1245                                 int len = Controls.Count;
1246                                 for (int i=0;i<len;i++)
1247                                 {
1248                                         Control c = Controls[i];
1249                                         c._page = Page;
1250                                         c._namingContainer = namingContainer;
1251                                         if (namingContainer != null && c._userId == null && c.AutoID)
1252                                                 c._userId = namingContainer.GetDefaultName () + "c";
1253                                         c.InitRecursive (namingContainer);
1254                                 }
1255                         }
1256
1257                         stateMask |= INITING;
1258 #if NET_2_0
1259                         if (Adapter != null)
1260                                 Adapter.OnInit (EventArgs.Empty);
1261                         else
1262 #endif
1263                                 OnInit (EventArgs.Empty);
1264 #if MONO_TRACE
1265                         if (trace != null)
1266                                 trace.Write ("control", String.Format ("End InitRecursive {0} {1}", _userId, type_name));
1267 #endif
1268                         TrackViewState ();
1269                         stateMask |= INITED;
1270                         stateMask &= ~INITING;
1271                 }
1272
1273                 internal object SaveViewStateRecursive ()
1274                 {
1275                         if (!EnableViewState)
1276                                 return null;
1277
1278 #if MONO_TRACE
1279                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1280                         string type_name = null;
1281                         if (trace != null) {
1282                                 type_name = GetType ().Name;
1283                                 trace.Write ("control", String.Format ("SaveViewStateRecursive {0} {1}", _userId, type_name));
1284                         }
1285 #endif
1286
1287                         ArrayList controlList = null;
1288                         ArrayList controlStates = null;
1289
1290                         int idx = -1;
1291                         if (HasControls ())
1292                         {
1293                                 int len = Controls.Count;
1294                                 for (int i=0;i<len;i++)
1295                                 {
1296                                         Control ctrl = Controls[i];
1297                                         object ctrlState = ctrl.SaveViewStateRecursive ();
1298                                         idx++;
1299                                         if (ctrlState == null)
1300                                                 continue;
1301
1302                                         if (controlList == null)
1303                                         {
1304                                                 controlList = new ArrayList ();
1305                                                 controlStates = new ArrayList ();
1306                                         }
1307
1308                                         controlList.Add (idx);
1309                                         controlStates.Add (ctrlState);
1310                                 }
1311                         }
1312
1313                         object thisState = SaveViewState ();
1314                         if (thisState == null && controlList == null && controlStates == null) {
1315 #if MONO_TRACE
1316                                 if (trace != null) {
1317                                         trace.Write ("control", String.Format ("End SaveViewStateRecursive {0} {1} saved nothing", _userId, type_name));
1318                                         trace.SaveViewState (this, null);
1319                                 }
1320 #endif
1321                                 return null;
1322                         }
1323
1324 #if MONO_TRACE
1325                         if (trace != null) {
1326                                 trace.Write ("control", String.Format ("End SaveViewStateRecursive {0} {1} saved a Triplet", _userId, type_name));
1327                                 trace.SaveViewState (this, thisState);
1328                         }
1329 #endif
1330                         return new Triplet (thisState, controlList, controlStates);
1331                 }
1332
1333                 internal void LoadViewStateRecursive (object savedState)
1334                 {
1335                         if (!EnableViewState || savedState == null)
1336                                 return;
1337
1338 #if MONO_TRACE
1339                         TraceContext trace = (Context != null && Context.Trace.IsEnabled) ? Context.Trace : null;
1340                         string type_name = null;
1341                         if (trace != null) {
1342                                 type_name = GetType ().Name;
1343                                 trace.Write ("control", String.Format ("LoadViewStateRecursive {0} {1}", _userId, type_name));
1344                         }
1345 #endif
1346                         Triplet savedInfo = (Triplet) savedState;
1347                         LoadViewState (savedInfo.First);
1348
1349                         ArrayList controlList = savedInfo.Second as ArrayList;
1350                         if (controlList == null)
1351                                 return;
1352                         ArrayList controlStates = savedInfo.Third as ArrayList;
1353                         int nControls = controlList.Count;
1354                         for (int i = 0; i < nControls; i++) {
1355                                 int k = (int) controlList [i];
1356                                 if (k < Controls.Count && controlStates != null) {
1357                                         Control c = Controls [k];
1358                                         c.LoadViewStateRecursive (controlStates [i]);
1359                                 } else {
1360                                         if (pendingVS == null)
1361                                                 pendingVS = new Hashtable ();
1362
1363                                         pendingVS [k] = controlStates [i];
1364                                 }
1365                         }
1366
1367 #if MONO_TRACE
1368                         if (trace != null)
1369                                 trace.Write ("control", String.Format ("End LoadViewStateRecursive {0} {1}", _userId, type_name));
1370 #endif
1371                         stateMask |= VIEWSTATE_LOADED;
1372                 }
1373
1374                 internal bool AutoID
1375                 {
1376                         get { return (stateMask & AUTOID) != 0; }
1377                         set {
1378                                 if (value == false && (stateMask & IS_NAMING_CONTAINER) != 0)
1379                                         return;
1380
1381                                 SetMask (AUTOID, value);
1382                         }
1383                 }
1384
1385                 protected internal virtual void RemovedControl (Control control)
1386                 {
1387                         control.UnloadRecursive (false);
1388                         control._parent = null;
1389                         control._page = null;
1390                         control._namingContainer = null;
1391                 }
1392
1393
1394 #if NET_2_0
1395
1396                 string skinId = string.Empty;
1397
1398                 [Browsable (false)]
1399                 [Themeable (false)]
1400                 [DefaultValue (true)]
1401                 public virtual bool EnableTheming
1402                 {
1403                         get { return (stateMask & ENABLE_THEMING) != 0; }
1404                         set { SetMask (ENABLE_THEMING, value); }
1405                 }
1406
1407                 [Browsable (false)]
1408                 [DefaultValue ("")]
1409                 [Filterable (false)]
1410                 public virtual string SkinID
1411                 {
1412                         get { return skinId; }
1413                         set { skinId = value; }
1414                 }
1415
1416                 public string ResolveClientUrl (string url)
1417                 {
1418                         throw new NotImplementedException ();
1419                 }
1420
1421                 ControlBuilder IControlBuilderAccessor.ControlBuilder {
1422                         get {throw new NotImplementedException (); }
1423                 }
1424
1425                 IDictionary IControlDesignerAccessor.GetDesignModeState ()
1426                 {
1427                         throw new NotImplementedException ();
1428                 }
1429
1430                 void IControlDesignerAccessor.SetDesignModeState (IDictionary designData)
1431                 {
1432                         SetDesignModeState (designData);
1433                 }
1434
1435                 void IControlDesignerAccessor.SetOwnerControl (Control control)
1436                 {
1437                         throw new NotImplementedException ();
1438                 }
1439
1440                 IDictionary IControlDesignerAccessor.UserData {
1441                         get { throw new NotImplementedException (); }
1442                 }
1443
1444                 ExpressionBindingCollection expressionBindings;
1445
1446                 ExpressionBindingCollection IExpressionsAccessor.Expressions {
1447                         get {
1448                                 if (expressionBindings == null)
1449                                         expressionBindings = new ExpressionBindingCollection ();
1450                                 return expressionBindings;
1451                         }
1452                 }
1453
1454                 bool IExpressionsAccessor.HasExpressions {
1455                         get {
1456                                 return (expressionBindings != null && expressionBindings.Count > 0);
1457                         }
1458                 }
1459
1460                 [MonoTODO]
1461                 public virtual void Focus()
1462                 {
1463                         throw new NotImplementedException();
1464                 }
1465
1466                 protected internal virtual void LoadControlState (object state)
1467                 {
1468                 }
1469
1470                 protected internal virtual object SaveControlState ()
1471                 {
1472                         return null;
1473                 }
1474
1475                 protected virtual void DataBind (bool raiseOnDataBinding)
1476                 {
1477                         bool foundDataItem = false;
1478
1479                         if ((stateMask & IS_NAMING_CONTAINER) != 0 && Page != null) {
1480                                 object o = DataBinder.GetDataItem (this, out foundDataItem);
1481                                 if (foundDataItem)
1482                                         Page.PushDataItemContext (o);
1483                         }
1484
1485                         try {
1486
1487                                 if (raiseOnDataBinding)
1488                                         OnDataBinding (EventArgs.Empty);
1489                                 DataBindChildren();
1490
1491                         } finally {
1492                                 if (foundDataItem)
1493                                         Page.PopDataItemContext ();
1494                         }
1495                 }
1496
1497                 protected virtual IDictionary GetDesignModeState ()
1498                 {
1499                         throw new NotImplementedException ();
1500                 }
1501
1502                 protected virtual void SetDesignModeState (IDictionary data)
1503                 {
1504                         throw new NotImplementedException ();
1505                 }
1506 #endif
1507                 void IParserAccessor.AddParsedSubObject (object obj) {
1508                         this.AddParsedSubObject (obj);
1509                 }
1510
1511                 DataBindingCollection IDataBindingsAccessor.DataBindings {
1512                         get {
1513                                 if (dataBindings == null) {
1514                                         dataBindings = new DataBindingCollection ();
1515                                 }
1516                                 return dataBindings;
1517                         }
1518                 }
1519
1520                 bool IDataBindingsAccessor.HasDataBindings {
1521                         get {
1522                                 if (dataBindings != null && dataBindings.Count > 0) {
1523                                         return true;
1524                                 }
1525                                 return false;
1526                         }
1527                 }
1528         }
1529 }