src/common/datavcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/datavcmn.cpp
   3 // Purpose:     wxDataViewCtrl base classes and common parts
   4 // Author:      Robert Roebling
   5 // Created:     2006/02/20
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006, Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24 #endif
  25
  26 const wxChar wxDataViewCtrlNameStr[] = wxT("dataviewCtrl");
  27
  28
  29 bool operator == (const wxDataViewItem &left, const wxDataViewItem &right)
  30 {
  31     return (left.GetID() == right.GetID() );
  32 }
  33
  34
  35 // ---------------------------------------------------------
  36 // wxDataViewModel
  37 // ---------------------------------------------------------
  38
  39 #include <wx/listimpl.cpp>
  40 WX_DEFINE_LIST(wxDataViewModelNotifiers);
  41
  42 wxDataViewModel::wxDataViewModel()
  43 {
  44     m_notifiers.DeleteContents( true );
  45     m_sortingColumn = 0;
  46     m_ascending = true;
  47 }
  48
  49 bool wxDataViewModel::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
  50 {
  51     bool ret = true;
  52
  53     wxDataViewModelNotifiers::iterator iter;
  54     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
  55     {
  56         wxDataViewModelNotifier* notifier = *iter;
  57         if (!notifier->ItemAdded( parent, item ))
  58             ret = false;
  59     }
  60
  61     return ret;
  62 }
  63
  64 bool wxDataViewModel::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
  65 {
  66     bool ret = true;
  67
  68     wxDataViewModelNotifiers::iterator iter;
  69     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
  70     {
  71         wxDataViewModelNotifier* notifier = *iter;
  72         if (!notifier->ItemDeleted( parent, item ))
  73             ret = false;
  74     }
  75
  76     return ret;
  77 }
  78
  79 bool wxDataViewModel::ItemChanged( const wxDataViewItem &item )
  80 {
  81     bool ret = true;
  82
  83     wxDataViewModelNotifiers::iterator iter;
  84     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
  85     {
  86         wxDataViewModelNotifier* notifier = *iter;
  87         if (!notifier->ItemChanged( item ))
  88             ret = false;
  89     }
  90
  91     return ret;
  92 }
  93
  94 bool wxDataViewModel::ValueChanged( const wxDataViewItem &item, unsigned int col )
  95 {
  96     bool ret = true;
  97
  98     wxDataViewModelNotifiers::iterator iter;
  99     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
 100     {
 101         wxDataViewModelNotifier* notifier = *iter;
 102         if (!notifier->ValueChanged( item, col ))
 103             ret = false;
 104     }
 105
 106     return ret;
 107 }
 108
 109 bool wxDataViewModel::Cleared()
 110 {
 111     bool ret = true;
 112
 113     wxDataViewModelNotifiers::iterator iter;
 114     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
 115     {
 116         wxDataViewModelNotifier* notifier = *iter;
 117         if (!notifier->Cleared())
 118             ret = false;
 119     }
 120
 121     return ret;
 122 }
 123
 124 void wxDataViewModel::Resort()
 125 {
 126     wxDataViewModelNotifiers::iterator iter;
 127     for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
 128     {
 129         wxDataViewModelNotifier* notifier = *iter;
 130         notifier->Resort();
 131     }
 132 }
 133
 134 void wxDataViewModel::AddNotifier( wxDataViewModelNotifier *notifier )
 135 {
 136     m_notifiers.push_back( notifier );
 137     notifier->SetOwner( this );
 138 }
 139
 140 void wxDataViewModel::RemoveNotifier( wxDataViewModelNotifier *notifier )
 141 {
 142     m_notifiers.DeleteObject( notifier );
 143 }
 144
 145 int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2 )
 146 {
 147     // sort branches before leaves
 148     bool item1_is_container = IsContainer(item1);
 149     bool item2_is_container = IsContainer(item2);
 150
 151     if (item1_is_container && !item2_is_container)
 152         return 1;
 153     if (item2_is_container && !item1_is_container)
 154         return -1;
 155
 156     wxVariant value1,value2;
 157     GetValue( value1, item1, m_sortingColumn );
 158     GetValue( value2, item2, m_sortingColumn );
 159
 160     if (!m_ascending)
 161     {
 162         wxVariant temp = value1;
 163         value1 = value2;
 164         value2 = temp;
 165     }
 166
 167     if (value1.GetType() == wxT("string"))
 168     {
 169         wxString str1 = value1.GetString();
 170         wxString str2 = value2.GetString();
 171         int res = str1.Cmp( str2 );
 172         if (res) return res;
 173     } else
 174     if (value1.GetType() == wxT("long"))
 175     {
 176         long l1 = value1.GetLong();
 177         long l2 = value2.GetLong();
 178         long res = l1-l2;
 179         if (res) return res;
 180     } else
 181     if (value1.GetType() == wxT("double"))
 182     {
 183         double d1 = value1.GetDouble();
 184         double d2 = value2.GetDouble();
 185         if (d1 < d2) return 1;
 186         if (d1 > d2) return -1;
 187     } else
 188     if (value1.GetType() == wxT("datetime"))
 189     {
 190         wxDateTime dt1 = value1.GetDateTime();
 191         wxDateTime dt2 = value2.GetDateTime();
 192         if (dt1.IsEarlierThan(dt2)) return 1;
 193         if (dt2.IsEarlierThan(dt1)) return -11;
 194     }
 195
 196     // items must be different
 197     unsigned long litem1 = (unsigned long) item1.GetID();
 198     unsigned long litem2 = (unsigned long) item2.GetID();
 199
 200     if (!m_ascending)
 201         return litem2-litem1;
 202     return litem1-litem2;
 203 }
 204
 205 // ---------------------------------------------------------
 206 // wxDataViewIndexListModel
 207 // ---------------------------------------------------------
 208
 209 wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
 210 {
 211     // build initial index
 212     unsigned int i;
 213     for (i = 1; i < initial_size+1; i++)
 214         m_hash.Add( (void*) i );
 215     m_lastIndex = initial_size + 1;
 216 }
 217
 218 wxDataViewIndexListModel::~wxDataViewIndexListModel()
 219 {
 220 }
 221
 222 void wxDataViewIndexListModel::RowPrepended()
 223 {
 224     unsigned int id = m_lastIndex++;
 225     m_hash.Insert( (void*) id, 0 );
 226     wxDataViewItem item( (void*) id );
 227     ItemAdded( wxDataViewItem(0), item );
 228 }
 229
 230 void wxDataViewIndexListModel::RowInserted( unsigned int before )
 231 {
 232     unsigned int id = m_lastIndex++;
 233     m_hash.Insert( (void*) id, before );
 234     wxDataViewItem item( (void*) id );
 235     ItemAdded( wxDataViewItem(0), item );
 236 }
 237
 238 void wxDataViewIndexListModel::RowAppended()
 239 {
 240     unsigned int id = m_lastIndex++;
 241     m_hash.Add( (void*) id );
 242     wxDataViewItem item( (void*) id );
 243     ItemAdded( wxDataViewItem(0), item );
 244 }
 245
 246 void wxDataViewIndexListModel::RowDeleted( unsigned int row )
 247 {
 248     wxDataViewItem item( m_hash[row] );
 249     m_hash.RemoveAt( row );
 250     wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
 251 }
 252
 253 void wxDataViewIndexListModel::RowChanged( unsigned int row )
 254 {
 255     wxDataViewModel::ItemChanged( GetItem(row) );
 256 }
 257
 258 void wxDataViewIndexListModel::RowValueChanged( unsigned int row, unsigned int col )
 259 {
 260     wxDataViewModel::ValueChanged( GetItem(row), col );
 261 }
 262
 263 unsigned int wxDataViewIndexListModel::GetRow( const wxDataViewItem &item ) const
 264 {
 265     // assert for not found
 266     return (unsigned int) m_hash.Index( item.GetID() );
 267 }
 268
 269 wxDataViewItem wxDataViewIndexListModel::GetItem( unsigned int row ) const
 270 {
 271     return wxDataViewItem( m_hash[row] );
 272 }
 273
 274 int wxDataViewIndexListModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2 )
 275 {
 276     return GetRow(item1) - GetRow(item2);
 277 }
 278
 279 void wxDataViewIndexListModel::GetValue( wxVariant &variant,
 280                            const wxDataViewItem &item, unsigned int col ) const
 281 {
 282     return GetValue( variant, GetRow(item), col );
 283 }
 284
 285 bool wxDataViewIndexListModel::SetValue( const wxVariant &variant,
 286                            const wxDataViewItem &item, unsigned int col )
 287 {
 288     return SetValue( variant, GetRow(item), col );
 289 }
 290
 291 wxDataViewItem wxDataViewIndexListModel::GetParent( const wxDataViewItem &item ) const
 292 {
 293     return wxDataViewItem(0);
 294 }
 295
 296 bool wxDataViewIndexListModel::IsContainer( const wxDataViewItem &item ) const
 297 {
 298     // only the invisible root item has children
 299     if (!item.IsOk())
 300         return true;
 301
 302     return false;
 303 }
 304
 305 wxDataViewItem wxDataViewIndexListModel::GetFirstChild( const wxDataViewItem &parent ) const
 306 {
 307     if (!parent.IsOk())
 308     {
 309         if (m_hash.GetCount() == 0)
 310             return wxDataViewItem(0);
 311
 312         return wxDataViewItem( m_hash[0]);
 313     }
 314
 315     return wxDataViewItem(0);
 316 }
 317
 318 wxDataViewItem wxDataViewIndexListModel::GetNextSibling( const wxDataViewItem &item ) const
 319 {
 320     if (!item.IsOk())
 321         return wxDataViewItem(0);
 322
 323     int pos = m_hash.Index( item.GetID() );
 324     if ((pos == wxNOT_FOUND) || (pos == m_hash.GetCount()-1))
 325         return wxDataViewItem(0);
 326
 327     return wxDataViewItem( m_hash[pos+1] );
 328 }
 329
 330 // ---------------------------------------------------------
 331 // wxDataViewRendererBase
 332 // ---------------------------------------------------------
 333
 334 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRendererBase, wxObject)
 335
 336 wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype,
 337                                                 wxDataViewCellMode WXUNUSED(mode),
 338                                                 int WXUNUSED(align) )
 339 {
 340     m_variantType = varianttype;
 341     m_editorCtrl = NULL;
 342 }
 343
 344 const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
 345 {
 346     return wx_const_cast(wxDataViewRendererBase*, this)->GetOwner()->GetOwner();
 347 }
 348
 349 bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect labelRect )
 350 {
 351     m_item = item; // remember for later
 352
 353     unsigned int col = GetOwner()->GetModelColumn();
 354     wxVariant value;
 355     GetOwner()->GetOwner()->GetModel()->GetValue( value, item, col );
 356
 357     m_editorCtrl = CreateEditorCtrl( GetOwner()->GetOwner()->GetMainWindow(), labelRect, value );
 358
 359     wxDataViewEditorCtrlEvtHandler *handler =
 360         new wxDataViewEditorCtrlEvtHandler( m_editorCtrl, (wxDataViewRenderer*) this );
 361
 362     m_editorCtrl->PushEventHandler( handler );
 363
 364 #if defined(__WXGTK20__) && !defined(wxUSE_GENERICDATAVIEWCTRL)
 365     handler->SetFocusOnIdle();
 366 #else
 367     m_editorCtrl->SetFocus();
 368 #endif
 369
 370     return true;
 371 }
 372
 373 void wxDataViewRendererBase::CancelEditing()
 374 {
 375     wxPendingDelete.Append( m_editorCtrl );
 376
 377     GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
 378
 379     // m_editorCtrl->PopEventHandler( true );
 380 }
 381
 382 bool wxDataViewRendererBase::FinishEditing()
 383 {
 384     wxVariant value;
 385     GetValueFromEditorCtrl( m_editorCtrl, value );
 386
 387     wxPendingDelete.Append( m_editorCtrl );
 388
 389     GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
 390
 391     if (!Validate(value))
 392         return false;
 393
 394     unsigned int col = GetOwner()->GetModelColumn();
 395     GetOwner()->GetOwner()->GetModel()->SetValue( value, m_item, col );
 396     GetOwner()->GetOwner()->GetModel()->ValueChanged( m_item, col );
 397
 398     // m_editorCtrl->PopEventHandler( true );
 399
 400     return true;
 401 }
 402
 403 //-----------------------------------------------------------------------------
 404 // wxDataViewEditorCtrlEvtHandler
 405 //-----------------------------------------------------------------------------
 406
 407 BEGIN_EVENT_TABLE(wxDataViewEditorCtrlEvtHandler, wxEvtHandler)
 408     EVT_CHAR           (wxDataViewEditorCtrlEvtHandler::OnChar)
 409     EVT_KILL_FOCUS     (wxDataViewEditorCtrlEvtHandler::OnKillFocus)
 410     EVT_IDLE           (wxDataViewEditorCtrlEvtHandler::OnIdle)
 411 END_EVENT_TABLE()
 412
 413 wxDataViewEditorCtrlEvtHandler::wxDataViewEditorCtrlEvtHandler(
 414                                 wxControl *editorCtrl,
 415                                 wxDataViewRenderer *owner )
 416 {
 417     m_owner = owner;
 418     m_editorCtrl = editorCtrl;
 419
 420     m_finished = false;
 421 }
 422
 423 void wxDataViewEditorCtrlEvtHandler::OnIdle( wxIdleEvent &event )
 424 {
 425     if (m_focusOnIdle)
 426     {
 427         m_focusOnIdle = false;
 428         if (wxWindow::FindFocus() != m_editorCtrl)
 429             m_editorCtrl->SetFocus();
 430     }
 431
 432     event.Skip();
 433 }
 434
 435 void wxDataViewEditorCtrlEvtHandler::OnChar( wxKeyEvent &event )
 436 {
 437     switch ( event.m_keyCode )
 438     {
 439         case WXK_RETURN:
 440             m_finished = true;
 441             m_owner->FinishEditing();
 442             break;
 443
 444         case WXK_ESCAPE:
 445             m_finished = true;
 446             m_owner->CancelEditing();
 447             break;
 448
 449         default:
 450             event.Skip();
 451     }
 452 }
 453
 454 void wxDataViewEditorCtrlEvtHandler::OnKillFocus( wxFocusEvent &event )
 455 {
 456     if (!m_finished)
 457     {
 458         m_finished = true;
 459         m_owner->FinishEditing();
 460     }
 461
 462     event.Skip();
 463 }
 464
 465 // ---------------------------------------------------------
 466 // wxDataViewColumnBase
 467 // ---------------------------------------------------------
 468
 469 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumnBase, wxObject)
 470
 471 wxDataViewColumnBase::wxDataViewColumnBase(const wxString& WXUNUSED(title),
 472                                            wxDataViewRenderer *renderer,
 473                                            unsigned int model_column,
 474                                            int WXUNUSED(width),
 475                                            wxAlignment WXUNUSED(align),
 476                                            int WXUNUSED(flags))
 477 {
 478     m_renderer = renderer;
 479     m_model_column = model_column;
 480     m_owner = NULL;
 481     m_renderer->SetOwner( (wxDataViewColumn*) this );
 482
 483     // NOTE: the wxDataViewColumn's ctor must store the width, align, flags
 484     //       parameters inside the native control!
 485 }
 486
 487 wxDataViewColumnBase::wxDataViewColumnBase(const wxBitmap& bitmap,
 488                                            wxDataViewRenderer *renderer,
 489                                            unsigned int model_column,
 490                                            int WXUNUSED(width),
 491                                            wxAlignment WXUNUSED(align),
 492                                            int WXUNUSED(flags) )
 493 {
 494     m_renderer = renderer;
 495     m_model_column = model_column;
 496     m_bitmap = bitmap;
 497     m_owner = NULL;
 498     m_renderer->SetOwner( (wxDataViewColumn*) this );
 499 }
 500
 501 wxDataViewColumnBase::~wxDataViewColumnBase()
 502 {
 503     if (m_renderer)
 504         delete m_renderer;
 505 }
 506
 507 int wxDataViewColumnBase::GetFlags() const
 508 {
 509     int ret = 0;
 510
 511     if (IsSortable())
 512         ret |= wxDATAVIEW_COL_SORTABLE;
 513     if (IsResizeable())
 514         ret |= wxDATAVIEW_COL_RESIZABLE;
 515     if (IsHidden())
 516         ret |= wxDATAVIEW_COL_HIDDEN;
 517
 518     return ret;
 519 }
 520
 521 void wxDataViewColumnBase::SetFlags(int flags)
 522 {
 523     SetSortable((flags & wxDATAVIEW_COL_SORTABLE) != 0);
 524     SetResizeable((flags & wxDATAVIEW_COL_RESIZABLE) != 0);
 525     SetHidden((flags & wxDATAVIEW_COL_HIDDEN) != 0);
 526 }
 527
 528 // ---------------------------------------------------------
 529 // wxDataViewCtrlBase
 530 // ---------------------------------------------------------
 531
 532 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCtrlBase, wxControl)
 533
 534 wxDataViewCtrlBase::wxDataViewCtrlBase()
 535 {
 536     m_model = NULL;
 537     m_cols.DeleteContents( true );
 538     m_expander_column = 0;
 539     m_indent = 8;
 540 }
 541
 542 wxDataViewCtrlBase::~wxDataViewCtrlBase()
 543 {
 544     // IMPORTANT: before calling DecRef() on our model (since it may
 545     //            result in a free() call), erase all columns (since
 546     //            they hold a pointer to our model)
 547     m_cols.Clear();
 548
 549     if (m_model)
 550     {
 551         m_model->DecRef();
 552         m_model = NULL;
 553     }
 554 }
 555
 556 bool wxDataViewCtrlBase::AssociateModel( wxDataViewModel *model )
 557 {
 558     if (m_model)
 559     {
 560         m_model->DecRef();   // discard old model, if any
 561     }
 562
 563     // add our own reference to the new model:
 564     m_model = model;
 565     if (m_model)
 566     {
 567         m_model->IncRef();
 568     }
 569
 570     return true;
 571 }
 572
 573 wxDataViewModel* wxDataViewCtrlBase::GetModel()
 574 {
 575     return m_model;
 576 }
 577
 578 bool wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
 579                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 580 {
 581     return AppendColumn( new wxDataViewColumn( label,
 582         new wxDataViewTextRenderer( wxT("string"), mode, (int)align ),
 583         model_column, width, align, flags ) );
 584 }
 585
 586 bool wxDataViewCtrlBase::AppendToggleColumn( const wxString &label, unsigned int model_column,
 587                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 588 {
 589     return AppendColumn( new wxDataViewColumn( label,
 590         new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ),
 591         model_column, width, align, flags ) );
 592 }
 593
 594 bool wxDataViewCtrlBase::AppendProgressColumn( const wxString &label, unsigned int model_column,
 595                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 596 {
 597     return AppendColumn( new wxDataViewColumn( label,
 598         new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ),
 599         model_column, width, align, flags ) );
 600 }
 601
 602 bool wxDataViewCtrlBase::AppendDateColumn( const wxString &label, unsigned int model_column,
 603                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 604 {
 605     return AppendColumn( new wxDataViewColumn( label,
 606         new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ),
 607         model_column, width, align, flags ) );
 608 }
 609
 610 bool wxDataViewCtrlBase::AppendBitmapColumn( const wxString &label, unsigned int model_column,
 611                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 612 {
 613     return AppendColumn( new wxDataViewColumn( label,
 614         new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ),
 615         model_column, width, align, flags ) );
 616 }
 617
 618 bool wxDataViewCtrlBase::AppendTextColumn( const wxBitmap &label, unsigned int model_column,
 619                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 620 {
 621     return AppendColumn( new wxDataViewColumn( label,
 622         new wxDataViewTextRenderer( wxT("string"), mode, (int)align ),
 623         model_column, width, align, flags ) );
 624 }
 625
 626 bool wxDataViewCtrlBase::AppendToggleColumn( const wxBitmap &label, unsigned int model_column,
 627                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 628 {
 629     return AppendColumn( new wxDataViewColumn( label,
 630         new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ),
 631         model_column, width, align, flags ) );
 632 }
 633
 634 bool wxDataViewCtrlBase::AppendProgressColumn( const wxBitmap &label, unsigned int model_column,
 635                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 636 {
 637     return AppendColumn( new wxDataViewColumn( label,
 638         new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ),
 639         model_column, width, align, flags ) );
 640 }
 641
 642 bool wxDataViewCtrlBase::AppendDateColumn( const wxBitmap &label, unsigned int model_column,
 643                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 644 {
 645     return AppendColumn( new wxDataViewColumn( label,
 646         new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ),
 647         model_column, width, align, flags ) );
 648 }
 649
 650 bool wxDataViewCtrlBase::AppendBitmapColumn( const wxBitmap &label, unsigned int model_column,
 651                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 652 {
 653     return AppendColumn( new wxDataViewColumn( label,
 654         new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ),
 655         model_column, width, align, flags ) );
 656 }
 657
 658 bool wxDataViewCtrlBase::AppendColumn( wxDataViewColumn *col )
 659 {
 660     m_cols.Append( (wxObject*) col );
 661     col->SetOwner( (wxDataViewCtrl*) this );
 662     return true;
 663 }
 664
 665 unsigned int wxDataViewCtrlBase::GetColumnCount() const
 666 {
 667     return m_cols.GetCount();
 668 }
 669
 670 bool wxDataViewCtrlBase::DeleteColumn( unsigned int WXUNUSED(pos) )
 671 {
 672     return false;
 673 }
 674
 675 bool wxDataViewCtrlBase::ClearColumns()
 676 {
 677     return false;
 678 }
 679
 680 wxDataViewColumn* wxDataViewCtrlBase::GetColumn( unsigned int pos )
 681 {
 682     return (wxDataViewColumn*) m_cols[ pos ];
 683 }
 684
 685 // ---------------------------------------------------------
 686 // wxDataViewEvent
 687 // ---------------------------------------------------------
 688
 689 IMPLEMENT_DYNAMIC_CLASS(wxDataViewEvent,wxNotifyEvent)
 690
 691 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED)
 692 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED)
 693 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK)
 694 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK)
 695 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED)
 696
 697 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED)
 698 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED)
 699 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED)
 700 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED)
 701 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED)
 702
 703 #endif