src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 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 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/calctrl.h"
  42 #include "wx/popupwin.h"
  43 #include "wx/renderer.h"
  44 #include "wx/dcbuffer.h"
  45 #include "wx/icon.h"
  46 #include "wx/list.h"
  47 #include "wx/listimpl.cpp"
  48 #include "wx/imaglist.h"
  49 #include "wx/headerctrl.h"
  50 #include "wx/dnd.h"
  51
  52 //-----------------------------------------------------------------------------
  53 // classes
  54 //-----------------------------------------------------------------------------
  55
  56 class wxDataViewCtrl;
  57
  58 static const int SCROLL_UNIT_X = 15;
  59
  60 // the cell padding on the left/right
  61 static const int PADDING_RIGHTLEFT = 3;
  62
  63 // the expander space margin
  64 static const int EXPANDER_MARGIN = 4;
  65
  66 #ifdef __WXMSW__
  67 static const int EXPANDER_OFFSET = 4;
  68 #else
  69 static const int EXPANDER_OFFSET = 1;
  70 #endif
  71
  72 // Below is the compare stuff.
  73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
  74 // fast search when needed
  75 static wxDataViewModel* g_model;
  76 static int g_column = -2;
  77 static bool g_asending = true;
  78
  79 //-----------------------------------------------------------------------------
  80 // wxDataViewHeaderWindow
  81 //-----------------------------------------------------------------------------
  82
  83 class wxDataViewHeaderWindow : public wxHeaderCtrl
  84 {
  85 public:
  86     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  87         : wxHeaderCtrl(parent)
  88     {
  89     }
  90
  91     wxDataViewCtrl *GetOwner() const
  92         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  93
  94 protected:
  95     // implement/override wxHeaderCtrl functions by forwarding them to the main
  96     // control
  97     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  98     {
  99         return *(GetOwner()->GetColumn(idx));
 100     }
 101
 102     // FIXME: currently unused
 103     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 104     {
 105         wxDataViewCtrl * const owner = GetOwner();
 106
 107         int widthContents = owner->GetBestColumnWidth(idx);
 108         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 109         owner->OnColumnChange(idx);
 110
 111         return true;
 112     }
 113
 114 private:
 115     bool SendEvent(wxEventType type, unsigned int n)
 116     {
 117         wxDataViewCtrl * const owner = GetOwner();
 118         wxDataViewEvent event(type, owner->GetId());
 119
 120         event.SetEventObject(owner);
 121         event.SetColumn(n);
 122         event.SetDataViewColumn(owner->GetColumn(n));
 123         event.SetModel(owner->GetModel());
 124
 125         // for events created by wxDataViewHeaderWindow the
 126         // row / value fields are not valid
 127         return owner->GetEventHandler()->ProcessEvent(event);
 128     }
 129
 130     void OnClick(wxHeaderCtrlEvent& event)
 131     {
 132         const unsigned idx = event.GetColumn();
 133
 134         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 135             return;
 136
 137         // default handling for the column click is to sort by this column or
 138         // toggle its sort order
 139         wxDataViewCtrl * const owner = GetOwner();
 140         wxDataViewColumn * const col = owner->GetColumn(idx);
 141         if ( !col->IsSortable() )
 142         {
 143             // no default handling for non-sortable columns
 144             event.Skip();
 145             return;
 146         }
 147
 148         if ( col->IsSortKey() )
 149         {
 150             // already using this column for sorting, just change the order
 151             col->ToggleSortOrder();
 152         }
 153         else // not using this column for sorting yet
 154         {
 155             // first unset the old sort column if any
 156             int oldSortKey = owner->GetSortingColumnIndex();
 157             if ( oldSortKey != wxNOT_FOUND )
 158             {
 159                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 160                 owner->OnColumnChange(oldSortKey);
 161             }
 162
 163             owner->SetSortingColumnIndex(idx);
 164             col->SetAsSortKey();
 165         }
 166
 167         wxDataViewModel * const model = owner->GetModel();
 168         if ( model )
 169             model->Resort();
 170
 171         owner->OnColumnChange(idx);
 172     }
 173
 174     void OnRClick(wxHeaderCtrlEvent& event)
 175     {
 176         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 177                         event.GetColumn()) )
 178             event.Skip();
 179     }
 180
 181     void OnResize(wxHeaderCtrlEvent& event)
 182     {
 183         wxDataViewCtrl * const owner = GetOwner();
 184
 185         const unsigned col = event.GetColumn();
 186         owner->GetColumn(col)->SetWidth(event.GetWidth());
 187         GetOwner()->OnColumnChange(col);
 188     }
 189
 190     void OnEndReorder(wxHeaderCtrlEvent& event)
 191     {
 192         wxDataViewCtrl * const owner = GetOwner();
 193         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 194                         event.GetNewOrder());
 195     }
 196
 197     DECLARE_EVENT_TABLE()
 198     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 199 };
 200
 201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 202     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 203     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 204
 205     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 206     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 207
 208     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 209 END_EVENT_TABLE()
 210
 211 //-----------------------------------------------------------------------------
 212 // wxDataViewRenameTimer
 213 //-----------------------------------------------------------------------------
 214
 215 class wxDataViewRenameTimer: public wxTimer
 216 {
 217 private:
 218     wxDataViewMainWindow *m_owner;
 219
 220 public:
 221     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 222     void Notify();
 223 };
 224
 225 //-----------------------------------------------------------------------------
 226 // wxDataViewTreeNode
 227 //-----------------------------------------------------------------------------
 228
 229 class wxDataViewTreeNode;
 230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 232
 233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 234                                            wxDataViewTreeNode ** node2);
 235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 236
 237 class wxDataViewTreeNode
 238 {
 239 public:
 240     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 241     {
 242         m_parent = parent;
 243         if (!parent)
 244             m_open = true;
 245         else
 246             m_open = false;
 247         m_hasChildren = false;
 248         m_subTreeCount  = 0;
 249     }
 250
 251     ~wxDataViewTreeNode()
 252     {
 253     }
 254
 255     wxDataViewTreeNode * GetParent() const { return m_parent; }
 256     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 257     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 258     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 259
 260     void AddNode( wxDataViewTreeNode * node )
 261     {
 262         m_leaves.Add( node->GetItem().GetID() );
 263         if (g_column >= -1)
 264             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 265         m_nodes.Add( node );
 266         if (g_column >= -1)
 267             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 268     }
 269     void AddLeaf( void * leaf )
 270     {
 271         m_leaves.Add( leaf );
 272         if (g_column >= -1)
 273             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 274     }
 275
 276     wxDataViewItem & GetItem() { return m_item; }
 277     const wxDataViewItem & GetItem() const { return m_item; }
 278     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 279
 280     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 281     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 282     int GetIndentLevel() const
 283     {
 284         int ret = 0;
 285         const wxDataViewTreeNode * node = this;
 286         while( node->GetParent()->GetParent() != NULL )
 287         {
 288             node = node->GetParent();
 289             ret ++;
 290         }
 291         return ret;
 292     }
 293
 294     bool IsOpen() const
 295     {
 296         return m_open;
 297     }
 298
 299     void ToggleOpen()
 300     {
 301         int len = m_nodes.GetCount();
 302         int sum = 0;
 303         for ( int i = 0;i < len; i ++)
 304             sum += m_nodes[i]->GetSubTreeCount();
 305
 306         sum += m_leaves.GetCount();
 307         if (m_open)
 308         {
 309             ChangeSubTreeCount(-sum);
 310             m_open = !m_open;
 311         }
 312         else
 313         {
 314             m_open = !m_open;
 315             ChangeSubTreeCount(sum);
 316         }
 317     }
 318     bool HasChildren() const { return m_hasChildren; }
 319     void SetHasChildren( bool has ){ m_hasChildren = has; }
 320
 321     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 322     int GetSubTreeCount() const { return m_subTreeCount; }
 323     void ChangeSubTreeCount( int num )
 324     {
 325         if( !m_open )
 326             return;
 327         m_subTreeCount += num;
 328         if( m_parent )
 329             m_parent->ChangeSubTreeCount(num);
 330     }
 331
 332     void Resort()
 333     {
 334         if (g_column >= -1)
 335         {
 336             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 337             int len = m_nodes.GetCount();
 338             for (int i = 0; i < len; i ++)
 339                 m_nodes[i]->Resort();
 340             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 341         }
 342     }
 343
 344 private:
 345     wxDataViewTreeNode  *m_parent;
 346     wxDataViewTreeNodes  m_nodes;
 347     wxDataViewTreeLeaves m_leaves;
 348     wxDataViewItem       m_item;
 349     bool                 m_open;
 350     bool                 m_hasChildren;
 351     int                  m_subTreeCount;
 352 };
 353
 354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 355                                            wxDataViewTreeNode ** node2)
 356 {
 357     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 358 }
 359
 360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 361 {
 362     return g_model->Compare( *id1, *id2, g_column, g_asending );
 363 }
 364
 365
 366 //-----------------------------------------------------------------------------
 367 // wxDataViewMainWindow
 368 //-----------------------------------------------------------------------------
 369
 370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 371                                             WXDLLIMPEXP_ADV);
 372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 373 WX_DEFINE_LIST(ItemList)
 374
 375 class wxDataViewMainWindow: public wxWindow
 376 {
 377 public:
 378     wxDataViewMainWindow( wxDataViewCtrl *parent,
 379                             wxWindowID id,
 380                             const wxPoint &pos = wxDefaultPosition,
 381                             const wxSize &size = wxDefaultSize,
 382                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 383     virtual ~wxDataViewMainWindow();
 384
 385     bool IsVirtualList() const { return m_root == NULL; }
 386
 387     // notifications from wxDataViewModel
 388     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 389     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 390     bool ItemChanged( const wxDataViewItem &item );
 391     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 392     bool Cleared();
 393     void Resort()
 394     {
 395         if (!IsVirtualList())
 396         {
 397             SortPrepare();
 398             m_root->Resort();
 399         }
 400         UpdateDisplay();
 401     }
 402
 403     void SortPrepare()
 404     {
 405         g_model = GetOwner()->GetModel();
 406         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 407         if( !col )
 408         {
 409             if (g_model->HasDefaultCompare())
 410                 g_column = -1;
 411             else
 412                 g_column = -2;
 413
 414             g_asending = true;
 415             return;
 416         }
 417         g_column = col->GetModelColumn();
 418         g_asending = col->IsSortOrderAscending();
 419     }
 420
 421     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 422     wxDataViewCtrl *GetOwner() { return m_owner; }
 423     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 424
 425 #if wxUSE_DRAG_AND_DROP
 426     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 427 #endif // wxUSE_DRAG_AND_DROP
 428     void OnPaint( wxPaintEvent &event );
 429     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 430     void OnChar( wxKeyEvent &event );
 431     void OnMouse( wxMouseEvent &event );
 432     void OnSetFocus( wxFocusEvent &event );
 433     void OnKillFocus( wxFocusEvent &event );
 434
 435     void UpdateDisplay();
 436     void RecalculateDisplay();
 437     void OnInternalIdle();
 438
 439     void OnRenameTimer();
 440
 441     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 442     void ScrollTo( int rows, int column );
 443
 444     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 445     void ChangeCurrentRow( unsigned int row );
 446
 447     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 448     bool IsEmpty() { return GetRowCount() == 0; }
 449
 450     int GetCountPerPage() const;
 451     int GetEndOfLastCol() const;
 452     unsigned int GetFirstVisibleRow() const;
 453
 454     // I change this method to un const because in the tree view,
 455     // the displaying number of the tree are changing along with the
 456     // expanding/collapsing of the tree nodes
 457     unsigned int GetLastVisibleRow();
 458     unsigned int GetRowCount();
 459
 460     wxDataViewItem GetSelection() const;
 461     wxDataViewSelection GetSelections(){ return m_selection; }
 462     void SetSelections( const wxDataViewSelection & sel )
 463         { m_selection = sel; UpdateDisplay(); }
 464     void Select( const wxArrayInt& aSelections );
 465     void SelectAllRows( bool on );
 466     void SelectRow( unsigned int row, bool on );
 467     void SelectRows( unsigned int from, unsigned int to, bool on );
 468     void ReverseRowSelection( unsigned int row );
 469     bool IsRowSelected( unsigned int row );
 470     void SendSelectionChangedEvent( const wxDataViewItem& item);
 471
 472     void RefreshRow( unsigned int row );
 473     void RefreshRows( unsigned int from, unsigned int to );
 474     void RefreshRowsAfter( unsigned int firstRow );
 475
 476     // returns the colour to be used for drawing the rules
 477     wxColour GetRuleColour() const
 478     {
 479         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 480     }
 481
 482     wxRect GetLineRect( unsigned int row ) const;
 483
 484     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 485     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 486     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 487
 488     // Some useful functions for row and item mapping
 489     wxDataViewItem GetItemByRow( unsigned int row ) const;
 490     int GetRowByItem( const wxDataViewItem & item ) const;
 491
 492     // Methods for building the mapping tree
 493     void BuildTree( wxDataViewModel  * model );
 494     void DestroyTree();
 495     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 496     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 497
 498     void Expand( unsigned int row );
 499     void Collapse( unsigned int row );
 500     bool IsExpanded( unsigned int row ) const;
 501     bool HasChildren( unsigned int row ) const;
 502
 503 #if wxUSE_DRAG_AND_DROP
 504     bool EnableDragSource( const wxDataFormat &format );
 505     bool EnableDropTarget( const wxDataFormat &format );
 506
 507     void RemoveDropHint();
 508     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 509     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 510     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 511     void OnLeave();
 512 #endif // wxUSE_DRAG_AND_DROP
 513
 514 private:
 515     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 516     // We did not need this temporarily
 517     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 518
 519     int RecalculateCount();
 520
 521     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 522
 523     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 524
 525 private:
 526     wxDataViewCtrl             *m_owner;
 527     int                         m_lineHeight;
 528     bool                        m_dirty;
 529
 530     wxDataViewColumn           *m_currentCol;
 531     unsigned int                m_currentRow;
 532     wxDataViewSelection         m_selection;
 533
 534     wxDataViewRenameTimer      *m_renameTimer;
 535     bool                        m_lastOnSame;
 536
 537     bool                        m_hasFocus;
 538
 539 #if wxUSE_DRAG_AND_DROP
 540     int                         m_dragCount;
 541     wxPoint                     m_dragStart;
 542
 543     bool                        m_dragEnabled;
 544     wxDataFormat                m_dragFormat;
 545
 546     bool                        m_dropEnabled;
 547     wxDataFormat                m_dropFormat;
 548     bool                        m_dropHint;
 549     unsigned int                m_dropHintLine;
 550 #endif // wxUSE_DRAG_AND_DROP
 551
 552     // for double click logic
 553     unsigned int m_lineLastClicked,
 554         m_lineBeforeLastClicked,
 555         m_lineSelectSingleOnUp;
 556
 557     // the pen used to draw horiz/vertical rules
 558     wxPen m_penRule;
 559
 560     // the pen used to draw the expander and the lines
 561     wxPen m_penExpander;
 562
 563     // This is the tree structure of the model
 564     wxDataViewTreeNode * m_root;
 565     int m_count;
 566
 567     // This is the tree node under the cursor
 568     wxDataViewTreeNode * m_underMouse;
 569
 570 private:
 571     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575 // ---------------------------------------------------------
 576 // wxGenericDataViewModelNotifier
 577 // ---------------------------------------------------------
 578
 579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 580 {
 581 public:
 582     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 583         { m_mainWindow = mainWindow; }
 584
 585     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 586         { return m_mainWindow->ItemAdded( parent , item ); }
 587     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 588         { return m_mainWindow->ItemDeleted( parent, item ); }
 589     virtual bool ItemChanged( const wxDataViewItem & item )
 590         { return m_mainWindow->ItemChanged(item);  }
 591     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 592         { return m_mainWindow->ValueChanged( item, col ); }
 593     virtual bool Cleared()
 594         { return m_mainWindow->Cleared(); }
 595     virtual void Resort()
 596         { m_mainWindow->Resort(); }
 597
 598     wxDataViewMainWindow    *m_mainWindow;
 599 };
 600
 601 // ---------------------------------------------------------
 602 // wxDataViewRenderer
 603 // ---------------------------------------------------------
 604
 605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 606
 607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 608                                         wxDataViewCellMode mode,
 609                                         int align) :
 610     wxDataViewCustomRendererBase( varianttype, mode, align )
 611 {
 612     m_align = align;
 613     m_mode = mode;
 614     m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
 615     m_dc = NULL;
 616 }
 617
 618 wxDataViewRenderer::~wxDataViewRenderer()
 619 {
 620     delete m_dc;
 621 }
 622
 623 wxDC *wxDataViewRenderer::GetDC()
 624 {
 625     if (m_dc == NULL)
 626     {
 627         if (GetOwner() == NULL)
 628             return NULL;
 629         if (GetOwner()->GetOwner() == NULL)
 630             return NULL;
 631         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 632     }
 633
 634     return m_dc;
 635 }
 636
 637 void wxDataViewRenderer::SetAlignment( int align )
 638 {
 639     m_align=align;
 640 }
 641
 642 int wxDataViewRenderer::GetAlignment() const
 643 {
 644     return m_align;
 645 }
 646
 647 // ---------------------------------------------------------
 648 // wxDataViewCustomRenderer
 649 // ---------------------------------------------------------
 650
 651 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 652
 653 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 654                         wxDataViewCellMode mode, int align ) :
 655     wxDataViewRenderer( varianttype, mode, align )
 656 {
 657 }
 658
 659 // ---------------------------------------------------------
 660 // wxDataViewTextRenderer
 661 // ---------------------------------------------------------
 662
 663 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 664
 665 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 666                                                 wxDataViewCellMode mode, int align ) :
 667     wxDataViewRenderer( varianttype, mode, align )
 668 {
 669 }
 670
 671 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 672 {
 673     m_text = value.GetString();
 674
 675     return true;
 676 }
 677
 678 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 679 {
 680     return false;
 681 }
 682
 683 bool wxDataViewTextRenderer::HasEditorCtrl() const
 684 {
 685     return true;
 686 }
 687
 688 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 689         wxRect labelRect, const wxVariant &value )
 690 {
 691     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 692                                        wxPoint(labelRect.x,labelRect.y),
 693                                        wxSize(labelRect.width,labelRect.height) );
 694
 695     // select the text in the control an place the cursor at the end
 696     ctrl->SetInsertionPointEnd();
 697     ctrl->SelectAll();
 698
 699     return ctrl;
 700 }
 701
 702 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 703 {
 704     wxTextCtrl *text = (wxTextCtrl*) editor;
 705     value = text->GetValue();
 706     return true;
 707 }
 708
 709 bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
 710 {
 711     RenderText(m_text, 0, rect, dc, state);
 712     return true;
 713 }
 714
 715 wxSize wxDataViewTextRenderer::GetSize() const
 716 {
 717     const wxDataViewCtrl *view = GetView();
 718     if (!m_text.empty())
 719         return view->wxWindowBase::GetTextExtent( m_text );
 720     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 721 }
 722
 723 // ---------------------------------------------------------
 724 // wxDataViewBitmapRenderer
 725 // ---------------------------------------------------------
 726
 727 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
 728
 729 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 730                                                     wxDataViewCellMode mode, int align ) :
 731     wxDataViewRenderer( varianttype, mode, align )
 732 {
 733 }
 734
 735 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 736 {
 737     if (value.GetType() == wxT("wxBitmap"))
 738         m_bitmap << value;
 739     if (value.GetType() == wxT("wxIcon"))
 740         m_icon << value;
 741
 742     return true;
 743 }
 744
 745 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 746 {
 747     return false;
 748 }
 749
 750 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 751 {
 752     if (m_bitmap.Ok())
 753         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 754     else if (m_icon.Ok())
 755         dc->DrawIcon( m_icon, cell.x, cell.y );
 756
 757     return true;
 758 }
 759
 760 wxSize wxDataViewBitmapRenderer::GetSize() const
 761 {
 762     if (m_bitmap.Ok())
 763         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 764     else if (m_icon.Ok())
 765         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 766
 767     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 768 }
 769
 770 // ---------------------------------------------------------
 771 // wxDataViewToggleRenderer
 772 // ---------------------------------------------------------
 773
 774 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 775
 776 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 777                         wxDataViewCellMode mode, int align ) :
 778     wxDataViewRenderer( varianttype, mode, align )
 779 {
 780     m_toggle = false;
 781 }
 782
 783 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 784 {
 785     m_toggle = value.GetBool();
 786
 787     return true;
 788 }
 789
 790 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 791 {
 792     return false;
 793 }
 794
 795 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 796 {
 797     int flags = 0;
 798     if (m_toggle)
 799         flags |= wxCONTROL_CHECKED;
 800     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 801         flags |= wxCONTROL_DISABLED;
 802
 803     // check boxes we draw must always have the same, standard size (if it's
 804     // bigger than the cell size the checkbox will be truncated because the
 805     // caller had set the clipping rectangle to prevent us from drawing outside
 806     // the cell)
 807     cell.SetSize(GetSize());
 808
 809     wxRendererNative::Get().DrawCheckBox(
 810             GetOwner()->GetOwner(),
 811             *dc,
 812             cell,
 813             flags );
 814
 815     return true;
 816 }
 817
 818 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 819                                         wxDataViewModel *model,
 820                                         const wxDataViewItem & item, unsigned int col)
 821 {
 822     model->ChangeValue(!m_toggle, item, col);
 823     return true;
 824 }
 825
 826 wxSize wxDataViewToggleRenderer::GetSize() const
 827 {
 828     // the window parameter is not used by GetCheckBoxSize() so it's
 829     // safe to pass NULL
 830     return wxRendererNative::Get().GetCheckBoxSize(NULL);
 831 }
 832
 833 // ---------------------------------------------------------
 834 // wxDataViewProgressRenderer
 835 // ---------------------------------------------------------
 836
 837 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
 838
 839 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 840     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 841     wxDataViewRenderer( varianttype, mode, align )
 842 {
 843     m_label = label;
 844     m_value = 0;
 845 }
 846
 847 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 848 {
 849     m_value = (long) value;
 850
 851     if (m_value < 0) m_value = 0;
 852     if (m_value > 100) m_value = 100;
 853
 854     return true;
 855 }
 856
 857 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 858 {
 859     value = (long) m_value;
 860     return true;
 861 }
 862
 863 bool
 864 wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
 865 {
 866     // deflate the rect to leave a small border between bars in adjacent rows
 867     wxRect bar = rect.Deflate(0, 1);
 868
 869     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 870     dc->SetPen( *wxBLACK_PEN );
 871     dc->DrawRectangle( bar );
 872
 873     bar.width = (int)(bar.width * m_value / 100.);
 874     dc->SetPen( *wxTRANSPARENT_PEN );
 875
 876     const wxDataViewItemAttr& attr = GetAttr();
 877     dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
 878                                   : *wxBLUE_BRUSH );
 879     dc->DrawRectangle( bar );
 880
 881     return true;
 882 }
 883
 884 wxSize wxDataViewProgressRenderer::GetSize() const
 885 {
 886     return wxSize(40,12);
 887 }
 888
 889 // ---------------------------------------------------------
 890 // wxDataViewDateRenderer
 891 // ---------------------------------------------------------
 892
 893 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 894
 895 #if wxUSE_DATE_RENDERER_POPUP
 896
 897 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 898 {
 899 public:
 900     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 901         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 902         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 903         m_item( item )
 904     {
 905         m_model = model;
 906         m_col = col;
 907         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 908         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 909         sizer->Add( m_cal, 1, wxGROW );
 910         SetSizer( sizer );
 911         sizer->Fit( this );
 912     }
 913
 914     void OnCalendar( wxCalendarEvent &event );
 915
 916     wxCalendarCtrl      *m_cal;
 917     wxDataViewModel *m_model;
 918     unsigned int               m_col;
 919     const wxDataViewItem &   m_item;
 920
 921 protected:
 922     virtual void OnDismiss()
 923     {
 924     }
 925
 926 private:
 927     DECLARE_EVENT_TABLE()
 928 };
 929
 930 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 931     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 932 END_EVENT_TABLE()
 933
 934 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 935 {
 936     m_model->ChangeValue( event.GetDate(), m_item, m_col );
 937     DismissAndNotify();
 938 }
 939
 940 #endif // wxUSE_DATE_RENDERER_POPUP
 941
 942 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)
 943
 944 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
 945                         wxDataViewCellMode mode, int align ) :
 946     wxDataViewRenderer( varianttype, mode, align )
 947 {
 948 }
 949
 950 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
 951 {
 952     m_date = value.GetDateTime();
 953
 954     return true;
 955 }
 956
 957 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
 958 {
 959     value = m_date;
 960     return true;
 961 }
 962
 963 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
 964 {
 965     wxString tmp = m_date.FormatDate();
 966     RenderText( tmp, 0, cell, dc, state );
 967     return true;
 968 }
 969
 970 wxSize wxDataViewDateRenderer::GetSize() const
 971 {
 972     const wxDataViewCtrl* view = GetView();
 973     wxString tmp = m_date.FormatDate();
 974     wxCoord x,y,d;
 975     view->GetTextExtent( tmp, &x, &y, &d );
 976     return wxSize(x,y+d);
 977 }
 978
 979 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
 980                                     const wxDataViewItem & item, unsigned int col )
 981 {
 982     wxVariant variant;
 983     model->GetValue( variant, item, col );
 984     wxDateTime value = variant.GetDateTime();
 985
 986 #if wxUSE_DATE_RENDERER_POPUP
 987     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
 988         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
 989     wxPoint pos = wxGetMousePosition();
 990     popup->Move( pos );
 991     popup->Layout();
 992     popup->Popup( popup->m_cal );
 993 #else // !wxUSE_DATE_RENDERER_POPUP
 994     wxMessageBox(value.Format());
 995 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
 996     return true;
 997 }
 998
 999 // ---------------------------------------------------------
1000 // wxDataViewIconTextRenderer
1001 // ---------------------------------------------------------
1002
1003 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
1004
1005 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1006 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1007     wxDataViewRenderer( varianttype, mode, align )
1008 {
1009     SetMode(mode);
1010     SetAlignment(align);
1011 }
1012
1013 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1014 {
1015     m_value << value;
1016     return true;
1017 }
1018
1019 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1020 {
1021     return false;
1022 }
1023
1024 bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
1025 {
1026     int xoffset = 0;
1027
1028     const wxIcon& icon = m_value.GetIcon();
1029     if ( icon.IsOk() )
1030     {
1031         dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1032         xoffset = icon.GetWidth()+4;
1033     }
1034
1035     RenderText(m_value.GetText(), xoffset, rect, dc, state);
1036
1037     return true;
1038 }
1039
1040 wxSize wxDataViewIconTextRenderer::GetSize() const
1041 {
1042     const wxDataViewCtrl *view = GetView();
1043     if (!m_value.GetText().empty())
1044     {
1045         int x,y;
1046         view->GetTextExtent( m_value.GetText(), &x, &y );
1047
1048         if (m_value.GetIcon().IsOk())
1049             x += m_value.GetIcon().GetWidth() + 4;
1050         return wxSize( x, y );
1051     }
1052     return wxSize(80,20);
1053 }
1054
1055 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1056 {
1057     wxDataViewIconText iconText;
1058     iconText << value;
1059
1060     wxString text = iconText.GetText();
1061
1062     // adjust the label rect to take the width of the icon into account
1063     if (iconText.GetIcon().IsOk())
1064     {
1065         int w = iconText.GetIcon().GetWidth() + 4;
1066         labelRect.x += w;
1067         labelRect.width -= w;
1068     }
1069
1070     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1071                                        wxPoint(labelRect.x,labelRect.y),
1072                                        wxSize(labelRect.width,labelRect.height) );
1073
1074     // select the text in the control an place the cursor at the end
1075     ctrl->SetInsertionPointEnd();
1076     ctrl->SelectAll();
1077
1078     return ctrl;
1079 }
1080
1081 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1082 {
1083     wxTextCtrl *text = (wxTextCtrl*) editor;
1084
1085     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1086     value << iconText;
1087     return true;
1088 }
1089
1090 //-----------------------------------------------------------------------------
1091 // wxDataViewDropTarget
1092 //-----------------------------------------------------------------------------
1093
1094 #if wxUSE_DRAG_AND_DROP
1095
1096 class wxBitmapCanvas: public wxWindow
1097 {
1098 public:
1099     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1100     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1101     {
1102         m_bitmap = bitmap;
1103         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1104     }
1105
1106     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1107     {
1108         wxPaintDC dc(this);
1109         dc.DrawBitmap( m_bitmap, 0, 0);
1110     }
1111
1112     wxBitmap m_bitmap;
1113 };
1114
1115 class wxDataViewDropSource: public wxDropSource
1116 {
1117 public:
1118     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1119         wxDropSource( win )
1120     {
1121         m_win = win;
1122         m_row = row;
1123         m_hint = NULL;
1124     }
1125
1126     ~wxDataViewDropSource()
1127     {
1128         delete m_hint;
1129     }
1130
1131     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1132     {
1133         wxPoint pos = wxGetMousePosition();
1134
1135         if (!m_hint)
1136         {
1137             int liney = m_win->GetLineStart( m_row );
1138             int linex = 0;
1139             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1140             m_win->ClientToScreen( &linex, &liney );
1141             m_dist_x = pos.x - linex;
1142             m_dist_y = pos.y - liney;
1143
1144             int indent = 0;
1145             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1146             m_dist_x -= indent;
1147             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1148                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1149                                         ib.GetSize(),
1150                                         wxFRAME_TOOL_WINDOW |
1151                                         wxFRAME_FLOAT_ON_PARENT |
1152                                         wxFRAME_NO_TASKBAR |
1153                                         wxNO_BORDER );
1154             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1155             m_hint->Show();
1156         }
1157         else
1158         {
1159             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1160             m_hint->SetTransparent( 128 );
1161         }
1162
1163         return false;
1164     }
1165
1166     wxDataViewMainWindow   *m_win;
1167     unsigned int            m_row;
1168     wxFrame                *m_hint;
1169     int m_dist_x,m_dist_y;
1170 };
1171
1172
1173 class wxDataViewDropTarget: public wxDropTarget
1174 {
1175 public:
1176     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1177         wxDropTarget( obj )
1178     {
1179         m_win = win;
1180     }
1181
1182     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1183     {
1184         wxDataFormat format = GetMatchingPair();
1185         if (format == wxDF_INVALID)
1186             return wxDragNone;
1187         return m_win->OnDragOver( format, x, y, def);
1188     }
1189
1190     virtual bool OnDrop( wxCoord x, wxCoord y )
1191     {
1192         wxDataFormat format = GetMatchingPair();
1193         if (format == wxDF_INVALID)
1194             return false;
1195         return m_win->OnDrop( format, x, y );
1196     }
1197
1198     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1199     {
1200         wxDataFormat format = GetMatchingPair();
1201         if (format == wxDF_INVALID)
1202             return wxDragNone;
1203         if (!GetData())
1204             return wxDragNone;
1205         return m_win->OnData( format, x, y, def );
1206     }
1207
1208     virtual void OnLeave()
1209         { m_win->OnLeave(); }
1210
1211     wxDataViewMainWindow   *m_win;
1212 };
1213
1214 #endif // wxUSE_DRAG_AND_DROP
1215
1216 //-----------------------------------------------------------------------------
1217 // wxDataViewRenameTimer
1218 //-----------------------------------------------------------------------------
1219
1220 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1221 {
1222     m_owner = owner;
1223 }
1224
1225 void wxDataViewRenameTimer::Notify()
1226 {
1227     m_owner->OnRenameTimer();
1228 }
1229
1230 //-----------------------------------------------------------------------------
1231 // wxDataViewMainWindow
1232 //-----------------------------------------------------------------------------
1233
1234 // The tree building helper, declared firstly
1235 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
1236                              wxDataViewTreeNode * node);
1237
1238 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1239 {
1240     if (row1 > row2) return 1;
1241     if (row1 == row2) return 0;
1242     return -1;
1243 }
1244
1245 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1246
1247 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1248     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1249     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1250     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1251     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1252     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1253 END_EVENT_TABLE()
1254
1255 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1256     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1257     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1258     m_selection( wxDataViewSelectionCmp )
1259
1260 {
1261     SetOwner( parent );
1262
1263     m_lastOnSame = false;
1264     m_renameTimer = new wxDataViewRenameTimer( this );
1265
1266     // TODO: user better initial values/nothing selected
1267     m_currentCol = NULL;
1268     m_currentRow = 0;
1269
1270     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1271
1272 #if wxUSE_DRAG_AND_DROP
1273     m_dragCount = 0;
1274     m_dragStart = wxPoint(0,0);
1275
1276     m_dragEnabled = false;
1277     m_dropEnabled = false;
1278     m_dropHint = false;
1279     m_dropHintLine = (unsigned int) -1;
1280 #endif // wxUSE_DRAG_AND_DROP
1281
1282     m_lineLastClicked = (unsigned int) -1;
1283     m_lineBeforeLastClicked = (unsigned int) -1;
1284     m_lineSelectSingleOnUp = (unsigned int) -1;
1285
1286     m_hasFocus = false;
1287
1288     SetBackgroundColour( *wxWHITE );
1289
1290     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1291
1292     m_penRule = wxPen(GetRuleColour());
1293
1294     // compose a pen whichcan draw black lines
1295     // TODO: maybe there is something system colour to use
1296     m_penExpander = wxPen(wxColour(0,0,0));
1297
1298     m_root = new wxDataViewTreeNode( NULL );
1299     m_root->SetHasChildren(true);
1300
1301     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1302     m_count = -1;
1303     m_underMouse = NULL;
1304     UpdateDisplay();
1305 }
1306
1307 wxDataViewMainWindow::~wxDataViewMainWindow()
1308 {
1309     DestroyTree();
1310     delete m_renameTimer;
1311 }
1312
1313
1314 #if wxUSE_DRAG_AND_DROP
1315 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1316 {
1317     m_dragFormat = format;
1318     m_dragEnabled = format != wxDF_INVALID;
1319
1320     return true;
1321 }
1322
1323 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1324 {
1325     m_dropFormat = format;
1326     m_dropEnabled = format != wxDF_INVALID;
1327
1328     if (m_dropEnabled)
1329         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1330
1331     return true;
1332 }
1333
1334 void wxDataViewMainWindow::RemoveDropHint()
1335 {
1336     if (m_dropHint)
1337     {
1338             m_dropHint = false;
1339             RefreshRow( m_dropHintLine );
1340             m_dropHintLine = (unsigned int) -1;
1341     }
1342 }
1343
1344 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1345                                                wxCoord y, wxDragResult def )
1346 {
1347     int xx = x;
1348     int yy = y;
1349     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1350     unsigned int row = GetLineAt( yy );
1351
1352     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1353     {
1354         RemoveDropHint();
1355         return wxDragNone;
1356     }
1357
1358     wxDataViewItem item = GetItemByRow( row );
1359
1360     wxDataViewModel *model = GetOwner()->GetModel();
1361
1362     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1363     event.SetEventObject( m_owner );
1364     event.SetItem( item );
1365     event.SetModel( model );
1366     event.SetDataFormat( format );
1367     if (!m_owner->HandleWindowEvent( event ))
1368     {
1369         RemoveDropHint();
1370         return wxDragNone;
1371     }
1372
1373     if (!event.IsAllowed())
1374     {
1375         RemoveDropHint();
1376         return wxDragNone;
1377     }
1378
1379
1380     if (m_dropHint && (row != m_dropHintLine))
1381         RefreshRow( m_dropHintLine );
1382     m_dropHint = true;
1383     m_dropHintLine = row;
1384     RefreshRow( row );
1385
1386     return def;
1387 }
1388
1389 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1390 {
1391     RemoveDropHint();
1392
1393     int xx = x;
1394     int yy = y;
1395     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1396     unsigned int row = GetLineAt( yy );
1397
1398     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1399         return false;
1400
1401     wxDataViewItem item = GetItemByRow( row );
1402
1403     wxDataViewModel *model = GetOwner()->GetModel();
1404
1405     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1406     event.SetEventObject( m_owner );
1407     event.SetItem( item );
1408     event.SetModel( model );
1409     event.SetDataFormat( format );
1410     if (!m_owner->HandleWindowEvent( event ))
1411         return false;
1412
1413     if (!event.IsAllowed())
1414         return false;
1415
1416     return true;
1417 }
1418
1419 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1420                                            wxDragResult def )
1421 {
1422     int xx = x;
1423     int yy = y;
1424     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1425     unsigned int row = GetLineAt( yy );
1426
1427     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1428         return wxDragNone;
1429
1430     wxDataViewItem item = GetItemByRow( row );
1431
1432     wxDataViewModel *model = GetOwner()->GetModel();
1433
1434     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1435
1436     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1437     event.SetEventObject( m_owner );
1438     event.SetItem( item );
1439     event.SetModel( model );
1440     event.SetDataFormat( format );
1441     event.SetDataSize( obj->GetSize() );
1442     event.SetDataBuffer( obj->GetData() );
1443     if (!m_owner->HandleWindowEvent( event ))
1444         return wxDragNone;
1445
1446     if (!event.IsAllowed())
1447         return wxDragNone;
1448
1449     return def;
1450 }
1451
1452 void wxDataViewMainWindow::OnLeave()
1453 {
1454     RemoveDropHint();
1455 }
1456
1457 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1458 {
1459     int height = GetLineHeight( row );
1460     int width = 0;
1461     unsigned int cols = GetOwner()->GetColumnCount();
1462     unsigned int col;
1463     for (col = 0; col < cols; col++)
1464     {
1465         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1466         if (column->IsHidden())
1467             continue;      // skip it!
1468         width += column->GetWidth();
1469     }
1470
1471     indent = 0;
1472     if (!IsVirtualList())
1473     {
1474         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1475         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1476         indent = indent + m_lineHeight;
1477             // try to use the m_lineHeight as the expander space
1478
1479         if(!node->HasChildren())
1480             delete node;
1481     }
1482     width -= indent;
1483
1484     wxBitmap bitmap( width, height );
1485     wxMemoryDC dc( bitmap );
1486     dc.SetFont( GetFont() );
1487     dc.SetPen( *wxBLACK_PEN );
1488     dc.SetBrush( *wxWHITE_BRUSH );
1489     dc.DrawRectangle( 0,0,width,height );
1490
1491     wxDataViewModel *model = m_owner->GetModel();
1492
1493     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1494     if (!expander)
1495     {
1496         // TODO-RTL: last column for RTL support
1497         expander = GetOwner()->GetColumnAt( 0 );
1498         GetOwner()->SetExpanderColumn(expander);
1499     }
1500
1501
1502     int x = 0;
1503     for (col = 0; col < cols; col++)
1504     {
1505         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1506         wxDataViewRenderer *cell = column->GetRenderer();
1507
1508         if (column->IsHidden())
1509             continue;       // skip it!
1510
1511         width = column->GetWidth();
1512
1513         if (column == expander)
1514             width -= indent;
1515
1516         wxVariant value;
1517         wxDataViewItem item = GetItemByRow( row );
1518         model->GetValue( value, item, column->GetModelColumn());
1519         cell->SetValue( value );
1520
1521         wxDataViewItemAttr attr;
1522         model->GetAttr(item, column->GetModelColumn(), attr);
1523         cell->SetAttr(attr);
1524
1525         wxRect item_rect(x, 0, width, height);
1526         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1527
1528         // dc.SetClippingRegion( item_rect );
1529         cell->WXCallRender(item_rect, &dc, 0);
1530         // dc.DestroyClippingRegion();
1531
1532         x += width;
1533     }
1534
1535     return bitmap;
1536 }
1537
1538 #endif // wxUSE_DRAG_AND_DROP
1539
1540
1541 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1542 {
1543     wxDataViewModel *model = GetOwner()->GetModel();
1544     wxAutoBufferedPaintDC dc( this );
1545
1546 #ifdef __WXMSW__
1547     dc.SetBrush(GetOwner()->GetBackgroundColour());
1548     dc.SetPen( *wxTRANSPARENT_PEN );
1549     dc.DrawRectangle(GetClientSize());
1550 #endif
1551
1552     // prepare the DC
1553     GetOwner()->PrepareDC( dc );
1554     dc.SetFont( GetFont() );
1555
1556     wxRect update = GetUpdateRegion().GetBox();
1557     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1558
1559     // compute which items needs to be redrawn
1560     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1561     unsigned int item_count =
1562         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1563             (int)(GetRowCount( ) - item_start));
1564     unsigned int item_last = item_start + item_count;
1565     // Get the parent of DataViewCtrl
1566     wxWindow *parent = GetParent()->GetParent();
1567     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1568     cache_event.SetEventObject(GetParent());
1569     cache_event.SetCache(item_start, item_last - 1);
1570     parent->ProcessWindowEvent(cache_event);
1571
1572     // compute which columns needs to be redrawn
1573     unsigned int cols = GetOwner()->GetColumnCount();
1574     if ( !cols )
1575     {
1576         // we assume that we have at least one column below and painting an
1577         // empty control is unnecessary anyhow
1578         return;
1579     }
1580
1581     unsigned int col_start = 0;
1582     unsigned int x_start;
1583     for (x_start = 0; col_start < cols; col_start++)
1584     {
1585         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1586         if (col->IsHidden())
1587             continue;      // skip it!
1588
1589         unsigned int w = col->GetWidth();
1590         if (x_start+w >= (unsigned int)update.x)
1591             break;
1592
1593         x_start += w;
1594     }
1595
1596     unsigned int col_last = col_start;
1597     unsigned int x_last = x_start;
1598     for (; col_last < cols; col_last++)
1599     {
1600         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1601         if (col->IsHidden())
1602             continue;      // skip it!
1603
1604         if (x_last > (unsigned int)update.GetRight())
1605             break;
1606
1607         x_last += col->GetWidth();
1608     }
1609
1610     // Draw horizontal rules if required
1611     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1612     {
1613         dc.SetPen(m_penRule);
1614         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1615
1616         for (unsigned int i = item_start; i <= item_last; i++)
1617         {
1618             int y = GetLineStart( i );
1619             dc.DrawLine(x_start, y, x_last, y);
1620         }
1621     }
1622
1623     // Draw vertical rules if required
1624     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1625     {
1626         dc.SetPen(m_penRule);
1627         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1628
1629         int x = x_start;
1630         for (unsigned int i = col_start; i < col_last; i++)
1631         {
1632             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1633             if (col->IsHidden())
1634                 continue;       // skip it
1635
1636             dc.DrawLine(x, GetLineStart( item_start ),
1637                         x, GetLineStart( item_last ) );
1638
1639             x += col->GetWidth();
1640         }
1641
1642         // Draw last vertical rule
1643         dc.DrawLine(x, GetLineStart( item_start ),
1644                     x, GetLineStart( item_last ) );
1645     }
1646
1647     // redraw the background for the items which are selected/current
1648     for (unsigned int item = item_start; item < item_last; item++)
1649     {
1650         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1651         if (selected || item == m_currentRow)
1652         {
1653             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1654             if (item == m_currentRow)
1655                 flags |= wxCONTROL_CURRENT;
1656             if (m_hasFocus)
1657                 flags |= wxCONTROL_FOCUSED;
1658
1659             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1660             wxRendererNative::Get().DrawItemSelectionRect
1661                                 (
1662                                     this,
1663                                     dc,
1664                                     rect,
1665                                     flags
1666                                 );
1667         }
1668     }
1669
1670 #if wxUSE_DRAG_AND_DROP
1671     if (m_dropHint)
1672     {
1673         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1674                     x_last, GetLineHeight( m_dropHintLine ) );
1675         dc.SetPen( *wxBLACK_PEN );
1676         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1677         dc.DrawRectangle( rect );
1678     }
1679 #endif // wxUSE_DRAG_AND_DROP
1680
1681     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1682     if (!expander)
1683     {
1684         // TODO-RTL: last column for RTL support
1685         expander = GetOwner()->GetColumnAt( 0 );
1686         GetOwner()->SetExpanderColumn(expander);
1687     }
1688
1689     // redraw all cells for all rows which must be repainted and all columns
1690     wxRect cell_rect;
1691     cell_rect.x = x_start;
1692     for (unsigned int i = col_start; i < col_last; i++)
1693     {
1694         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1695         wxDataViewRenderer *cell = col->GetRenderer();
1696         cell_rect.width = col->GetWidth();
1697
1698         if (col->IsHidden())
1699             continue;       // skip it!
1700
1701         for (unsigned int item = item_start; item < item_last; item++)
1702         {
1703             // get the cell value and set it into the renderer
1704             wxVariant value;
1705             wxDataViewTreeNode *node = NULL;
1706             wxDataViewItem dataitem;
1707
1708             if (!IsVirtualList())
1709             {
1710                 node = GetTreeNodeByRow(item);
1711                 if( node == NULL )
1712                     continue;
1713
1714                 dataitem = node->GetItem();
1715
1716                 if ((i > 0) && model->IsContainer(dataitem) &&
1717                     !model->HasContainerColumns(dataitem))
1718                     continue;
1719             }
1720             else
1721             {
1722                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1723             }
1724
1725             model->GetValue( value, dataitem, col->GetModelColumn());
1726             cell->SetValue( value );
1727
1728             wxDataViewItemAttr attr;
1729             model->GetAttr(dataitem, col->GetModelColumn(), attr);
1730             cell->SetAttr(attr);
1731
1732             // update cell_rect
1733             cell_rect.y = GetLineStart( item );
1734             cell_rect.height = GetLineHeight( item );
1735
1736             // Draw the expander here.
1737             int indent = 0;
1738             if ((!IsVirtualList()) && (col == expander))
1739             {
1740                 indent = node->GetIndentLevel();
1741
1742                 // Calculate the indent first
1743                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1744
1745                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1746
1747                 // change the cell_rect.x to the appropriate pos
1748                 int expander_x = indent + EXPANDER_MARGIN;
1749                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1750                                  - (expander_width/2) - EXPANDER_OFFSET;
1751
1752                 indent = indent + m_lineHeight;
1753                     // try to use the m_lineHeight as the expander space
1754
1755                 dc.SetPen( m_penExpander );
1756                 dc.SetBrush( wxNullBrush );
1757                 if( node->HasChildren() )
1758                 {
1759                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1760                     int flag = 0;
1761                     if (m_underMouse == node)
1762                     {
1763                         flag |= wxCONTROL_CURRENT;
1764                     }
1765                     if( node->IsOpen() )
1766                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1767                                                                     flag|wxCONTROL_EXPANDED );
1768                     else
1769                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1770                 }
1771
1772                 // force the expander column to left-center align
1773                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1774             }
1775             if (node && !node->HasChildren())
1776             {
1777                 // Yes, if the node does not have any child, it must be a leaf which
1778                 // mean that it is a temporarily created by GetTreeNodeByRow
1779                 wxDELETE(node);
1780             }
1781
1782             wxRect item_rect = cell_rect;
1783             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1784
1785             // account for the tree indent (harmless if we're not indented)
1786             item_rect.x += indent;
1787             item_rect.width -= indent;
1788
1789             int state = 0;
1790             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1791                 state |= wxDATAVIEW_CELL_SELECTED;
1792
1793             // TODO: it would be much more efficient to create a clipping
1794             //       region for the entire column being rendered (in the OnPaint
1795             //       of wxDataViewMainWindow) instead of a single clip region for
1796             //       each cell. However it would mean that each renderer should
1797             //       respect the given wxRect's top & bottom coords, eventually
1798             //       violating only the left & right coords - however the user can
1799             //       make its own renderer and thus we cannot be sure of that.
1800             wxDCClipper clip(dc, item_rect);
1801
1802             cell->WXCallRender(item_rect, &dc, state);
1803         }
1804
1805         cell_rect.x += cell_rect.width;
1806     }
1807 }
1808
1809 void wxDataViewMainWindow::OnRenameTimer()
1810 {
1811     // We have to call this here because changes may just have
1812     // been made and no screen update taken place.
1813     if ( m_dirty )
1814     {
1815         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1816         //       (needs to be tested!)
1817         wxSafeYield();
1818     }
1819
1820     wxDataViewItem item = GetItemByRow( m_currentRow );
1821
1822     wxRect labelRect = GetItemRect(item, m_currentCol);
1823
1824     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1825 }
1826
1827 //-----------------------------------------------------------------------------
1828 // Helper class for do operation on the tree node
1829 //-----------------------------------------------------------------------------
1830 class DoJob
1831 {
1832 public:
1833     DoJob() { }
1834     virtual ~DoJob() { }
1835
1836     // The return value control how the tree-walker tranverse the tree
1837     // 0: Job done, stop tranverse and return
1838     // 1: Ignore the current node's subtree and continue
1839     // 2: Job not done, continue
1840     enum  { OK = 0 , IGR = 1, CONT = 2 };
1841     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1842     virtual int operator() ( void * n ) = 0;
1843 };
1844
1845 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1846 {
1847     if( node==NULL )
1848         return false;
1849
1850     switch( func( node ) )
1851     {
1852         case DoJob::OK :
1853             return true;
1854         case DoJob::IGR:
1855             return false;
1856         case DoJob::CONT:
1857         default:
1858             ;
1859     }
1860
1861     wxDataViewTreeNodes nodes = node->GetNodes();
1862     wxDataViewTreeLeaves leaves = node->GetChildren();
1863
1864     int len_nodes = nodes.GetCount();
1865     int len = leaves.GetCount();
1866     int i = 0, nodes_i = 0;
1867
1868     for(; i < len; i ++ )
1869     {
1870         void * n = leaves[i];
1871         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1872         {
1873             wxDataViewTreeNode * nd = nodes[nodes_i];
1874             nodes_i++;
1875
1876             if( Walker( nd , func ) )
1877                 return true;
1878
1879         }
1880         else
1881             switch( func( n ) )
1882             {
1883                 case DoJob::OK :
1884                     return true;
1885                 case DoJob::IGR:
1886                     continue;
1887                 case DoJob::CONT:
1888                 default:
1889                 ;
1890             }
1891     }
1892     return false;
1893 }
1894
1895 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1896 {
1897     if (IsVirtualList())
1898     {
1899         wxDataViewVirtualListModel *list_model =
1900             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1901         m_count = list_model->GetCount();
1902         UpdateDisplay();
1903         return true;
1904     }
1905
1906     SortPrepare();
1907
1908     wxDataViewTreeNode * node;
1909     node = FindNode(parent);
1910
1911     if( node == NULL )
1912         return false;
1913
1914     node->SetHasChildren( true );
1915
1916     if( g_model->IsContainer( item ) )
1917     {
1918         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1919         newnode->SetItem(item);
1920         newnode->SetHasChildren( true );
1921         node->AddNode( newnode);
1922     }
1923     else
1924         node->AddLeaf( item.GetID() );
1925
1926     node->ChangeSubTreeCount(1);
1927
1928     m_count = -1;
1929     UpdateDisplay();
1930
1931     return true;
1932 }
1933
1934 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1935
1936 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1937                                        const wxDataViewItem& item)
1938 {
1939     if (IsVirtualList())
1940     {
1941         wxDataViewVirtualListModel *list_model =
1942             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1943         m_count = list_model->GetCount();
1944
1945         if( m_currentRow > GetRowCount() )
1946             m_currentRow = m_count - 1;
1947
1948         // TODO: why empty the entire selection?
1949         m_selection.Empty();
1950
1951         UpdateDisplay();
1952
1953         return true;
1954     }
1955
1956     wxDataViewTreeNode * node = FindNode(parent);
1957
1958     wxCHECK_MSG( node != NULL, false, "item not found" );
1959     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
1960                  false, "item not found" );
1961
1962     int sub = -1;
1963     node->GetChildren().Remove( item.GetID() );
1964     // Manipolate selection
1965     if( m_selection.GetCount() > 1 )
1966     {
1967         m_selection.Empty();
1968     }
1969     bool isContainer = false;
1970     wxDataViewTreeNodes nds = node->GetNodes();
1971     for (size_t i = 0; i < nds.GetCount(); i ++)
1972     {
1973         if (nds[i]->GetItem() == item)
1974         {
1975             isContainer = true;
1976             break;
1977         }
1978     }
1979     if( isContainer )
1980     {
1981         wxDataViewTreeNode * n = NULL;
1982         wxDataViewTreeNodes nodes = node->GetNodes();
1983         int len = nodes.GetCount();
1984         for( int i = 0; i < len; i ++)
1985         {
1986             if( nodes[i]->GetItem() == item )
1987             {
1988                 n = nodes[i];
1989                 break;
1990             }
1991         }
1992
1993         wxCHECK_MSG( n != NULL, false, "item not found" );
1994
1995         node->GetNodes().Remove( n );
1996         sub -= n->GetSubTreeCount();
1997         ::DestroyTreeHelper(n);
1998     }
1999     // Make the row number invalid and get a new valid one when user call GetRowCount
2000     m_count = -1;
2001     node->ChangeSubTreeCount(sub);
2002
2003     // Change the current row to the last row if the current exceed the max row number
2004     if( m_currentRow > GetRowCount() )
2005         m_currentRow = m_count - 1;
2006
2007     UpdateDisplay();
2008
2009     return true;
2010 }
2011
2012 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2013 {
2014     SortPrepare();
2015     g_model->Resort();
2016
2017     // Send event
2018     wxWindow *parent = GetParent();
2019     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2020     le.SetEventObject(parent);
2021     le.SetModel(GetOwner()->GetModel());
2022     le.SetItem(item);
2023     parent->GetEventHandler()->ProcessEvent(le);
2024
2025     return true;
2026 }
2027
2028 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2029 {
2030     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2031 /*#define MAX_VIRTUAL_WIDTH       100000
2032
2033     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2034     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2035     Refresh( true, &rect );
2036
2037     return true;
2038 */
2039     SortPrepare();
2040     g_model->Resort();
2041
2042     // Send event
2043     wxWindow *parent = GetParent();
2044     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2045     le.SetEventObject(parent);
2046     le.SetModel(GetOwner()->GetModel());
2047     le.SetItem(item);
2048     le.SetColumn(col);
2049     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2050     parent->GetEventHandler()->ProcessEvent(le);
2051
2052     return true;
2053 }
2054
2055 bool wxDataViewMainWindow::Cleared()
2056 {
2057     DestroyTree();
2058
2059     SortPrepare();
2060     BuildTree( GetOwner()->GetModel() );
2061
2062     UpdateDisplay();
2063
2064     return true;
2065 }
2066
2067 void wxDataViewMainWindow::UpdateDisplay()
2068 {
2069     m_dirty = true;
2070     m_underMouse = NULL;
2071 }
2072
2073 void wxDataViewMainWindow::OnInternalIdle()
2074 {
2075     wxWindow::OnInternalIdle();
2076
2077     if (m_dirty)
2078     {
2079         RecalculateDisplay();
2080         m_dirty = false;
2081     }
2082 }
2083
2084 void wxDataViewMainWindow::RecalculateDisplay()
2085 {
2086     wxDataViewModel *model = GetOwner()->GetModel();
2087     if (!model)
2088     {
2089         Refresh();
2090         return;
2091     }
2092
2093     int width = GetEndOfLastCol();
2094     int height = GetLineStart( GetRowCount() );
2095
2096     SetVirtualSize( width, height );
2097     GetOwner()->SetScrollRate( 10, m_lineHeight );
2098
2099     Refresh();
2100 }
2101
2102 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2103 {
2104     wxWindow::ScrollWindow( dx, dy, rect );
2105
2106     if (GetOwner()->m_headerArea)
2107         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2108 }
2109
2110 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2111 {
2112     int x, y;
2113     m_owner->GetScrollPixelsPerUnit( &x, &y );
2114     int sy = GetLineStart( rows )/y;
2115     int sx = 0;
2116     if( column != -1 )
2117     {
2118         wxRect rect = GetClientRect();
2119         int colnum = 0;
2120         int x_start, w = 0;
2121         int xx, yy, xe;
2122         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2123         for (x_start = 0; colnum < column; colnum++)
2124         {
2125             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2126             if (col->IsHidden())
2127                 continue;      // skip it!
2128
2129             w = col->GetWidth();
2130             x_start += w;
2131         }
2132
2133         int x_end = x_start + w;
2134         xe = xx + rect.width;
2135         if( x_end > xe )
2136         {
2137             sx = ( xx + x_end - xe )/x;
2138         }
2139         if( x_start < xx )
2140         {
2141             sx = x_start/x;
2142         }
2143     }
2144     m_owner->Scroll( sx, sy );
2145 }
2146
2147 int wxDataViewMainWindow::GetCountPerPage() const
2148 {
2149     wxSize size = GetClientSize();
2150     return size.y / m_lineHeight;
2151 }
2152
2153 int wxDataViewMainWindow::GetEndOfLastCol() const
2154 {
2155     int width = 0;
2156     unsigned int i;
2157     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2158     {
2159         const wxDataViewColumn *c =
2160             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2161
2162         if (!c->IsHidden())
2163             width += c->GetWidth();
2164     }
2165     return width;
2166 }
2167
2168 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2169 {
2170     int x = 0;
2171     int y = 0;
2172     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2173
2174     return GetLineAt( y );
2175 }
2176
2177 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2178 {
2179     wxSize client_size = GetClientSize();
2180     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2181                                     &client_size.x, &client_size.y );
2182
2183     // we should deal with the pixel here
2184     unsigned int row = GetLineAt(client_size.y) - 1;
2185
2186     return wxMin( GetRowCount()-1, row );
2187 }
2188
2189 unsigned int wxDataViewMainWindow::GetRowCount()
2190 {
2191     if ( m_count == -1 )
2192     {
2193         m_count = RecalculateCount();
2194         UpdateDisplay();
2195     }
2196     return m_count;
2197 }
2198
2199 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2200 {
2201     m_currentRow = row;
2202
2203     // send event
2204 }
2205
2206 void wxDataViewMainWindow::SelectAllRows( bool on )
2207 {
2208     if (IsEmpty())
2209         return;
2210
2211     if (on)
2212     {
2213         m_selection.Clear();
2214         for (unsigned int i = 0; i < GetRowCount(); i++)
2215             m_selection.Add( i );
2216         Refresh();
2217     }
2218     else
2219     {
2220         unsigned int first_visible = GetFirstVisibleRow();
2221         unsigned int last_visible = GetLastVisibleRow();
2222         unsigned int i;
2223         for (i = 0; i < m_selection.GetCount(); i++)
2224         {
2225             unsigned int row = m_selection[i];
2226             if ((row >= first_visible) && (row <= last_visible))
2227                 RefreshRow( row );
2228         }
2229         m_selection.Clear();
2230     }
2231 }
2232
2233 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2234 {
2235     if (m_selection.Index( row ) == wxNOT_FOUND)
2236     {
2237         if (on)
2238         {
2239             m_selection.Add( row );
2240             RefreshRow( row );
2241         }
2242     }
2243     else
2244     {
2245         if (!on)
2246         {
2247             m_selection.Remove( row );
2248             RefreshRow( row );
2249         }
2250     }
2251 }
2252
2253 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2254 {
2255     if (from > to)
2256     {
2257         unsigned int tmp = from;
2258         from = to;
2259         to = tmp;
2260     }
2261
2262     unsigned int i;
2263     for (i = from; i <= to; i++)
2264     {
2265         if (m_selection.Index( i ) == wxNOT_FOUND)
2266         {
2267             if (on)
2268                 m_selection.Add( i );
2269         }
2270         else
2271         {
2272             if (!on)
2273                 m_selection.Remove( i );
2274         }
2275     }
2276     RefreshRows( from, to );
2277 }
2278
2279 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2280 {
2281     for (size_t i=0; i < aSelections.GetCount(); i++)
2282     {
2283         int n = aSelections[i];
2284
2285         m_selection.Add( n );
2286         RefreshRow( n );
2287     }
2288 }
2289
2290 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2291 {
2292     if (m_selection.Index( row ) == wxNOT_FOUND)
2293         m_selection.Add( row );
2294     else
2295         m_selection.Remove( row );
2296     RefreshRow( row );
2297 }
2298
2299 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2300 {
2301     return (m_selection.Index( row ) != wxNOT_FOUND);
2302 }
2303
2304 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2305 {
2306     wxWindow *parent = GetParent();
2307     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2308
2309     le.SetEventObject(parent);
2310     le.SetModel(GetOwner()->GetModel());
2311     le.SetItem( item );
2312
2313     parent->GetEventHandler()->ProcessEvent(le);
2314 }
2315
2316 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2317 {
2318     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2319     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2320
2321     wxSize client_size = GetClientSize();
2322     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2323     wxRect intersect_rect = client_rect.Intersect( rect );
2324     if (intersect_rect.width > 0)
2325         Refresh( true, &intersect_rect );
2326 }
2327
2328 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2329 {
2330     if (from > to)
2331     {
2332         unsigned int tmp = to;
2333         to = from;
2334         from = tmp;
2335     }
2336
2337     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2338     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2339
2340     wxSize client_size = GetClientSize();
2341     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2342     wxRect intersect_rect = client_rect.Intersect( rect );
2343     if (intersect_rect.width > 0)
2344         Refresh( true, &intersect_rect );
2345 }
2346
2347 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2348 {
2349     wxSize client_size = GetClientSize();
2350     int start = GetLineStart( firstRow );
2351     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2352     if (start > client_size.y) return;
2353
2354     wxRect rect( 0, start, client_size.x, client_size.y - start );
2355
2356     Refresh( true, &rect );
2357 }
2358
2359 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2360 {
2361     wxCHECK_RET( newCurrent < GetRowCount(),
2362                 wxT("invalid item index in OnArrowChar()") );
2363
2364     // if there is no selection, we cannot move it anywhere
2365     if (!HasCurrentRow())
2366         return;
2367
2368     unsigned int oldCurrent = m_currentRow;
2369
2370     // in single selection we just ignore Shift as we can't select several
2371     // items anyhow
2372     if ( event.ShiftDown() && !IsSingleSel() )
2373     {
2374         RefreshRow( oldCurrent );
2375
2376         ChangeCurrentRow( newCurrent );
2377
2378         // select all the items between the old and the new one
2379         if ( oldCurrent > newCurrent )
2380         {
2381             newCurrent = oldCurrent;
2382             oldCurrent = m_currentRow;
2383         }
2384
2385         SelectRows( oldCurrent, newCurrent, true );
2386         if (oldCurrent!=newCurrent)
2387             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2388     }
2389     else // !shift
2390     {
2391         RefreshRow( oldCurrent );
2392
2393         // all previously selected items are unselected unless ctrl is held
2394         if ( !event.ControlDown() )
2395             SelectAllRows(false);
2396
2397         ChangeCurrentRow( newCurrent );
2398
2399         if ( !event.ControlDown() )
2400         {
2401             SelectRow( m_currentRow, true );
2402             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2403         }
2404         else
2405             RefreshRow( m_currentRow );
2406     }
2407
2408     GetOwner()->EnsureVisible( m_currentRow, -1 );
2409 }
2410
2411 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2412 {
2413     wxRect rect;
2414     rect.x = 0;
2415     rect.y = GetLineStart( row );
2416     rect.width = GetEndOfLastCol();
2417     rect.height = GetLineHeight( row );
2418
2419     return rect;
2420 }
2421
2422 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2423 {
2424     const wxDataViewModel *model = GetOwner()->GetModel();
2425
2426     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2427     {
2428         // TODO make more efficient
2429
2430         int start = 0;
2431
2432         unsigned int r;
2433         for (r = 0; r < row; r++)
2434         {
2435             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2436             if (!node) return start;
2437
2438             wxDataViewItem item = node->GetItem();
2439
2440             if (node && !node->HasChildren())
2441             {
2442                 // Yes, if the node does not have any child, it must be a leaf which
2443                 // mean that it is a temporarily created by GetTreeNodeByRow
2444                 wxDELETE(node);
2445             }
2446
2447             unsigned int cols = GetOwner()->GetColumnCount();
2448             unsigned int col;
2449             int height = m_lineHeight;
2450             for (col = 0; col < cols; col++)
2451             {
2452                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2453                 if (column->IsHidden())
2454                     continue;      // skip it!
2455
2456                 if ((col != 0) &&
2457                     model->IsContainer(item) &&
2458                     !model->HasContainerColumns(item))
2459                     continue;      // skip it!
2460
2461                 wxVariant value;
2462                 model->GetValue( value, item, column->GetModelColumn() );
2463
2464                 wxDataViewRenderer *renderer =
2465                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2466                 renderer->SetValue( value );
2467                 height = wxMax( height, renderer->GetSize().y );
2468             }
2469
2470             start += height;
2471         }
2472
2473         return start;
2474     }
2475     else
2476     {
2477         return row * m_lineHeight;
2478     }
2479 }
2480
2481 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2482 {
2483     const wxDataViewModel *model = GetOwner()->GetModel();
2484
2485     // check for the easy case first
2486     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2487         return y / m_lineHeight;
2488
2489     // TODO make more efficient
2490     unsigned int row = 0;
2491     unsigned int yy = 0;
2492     for (;;)
2493     {
2494         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2495         if (!node)
2496         {
2497             // not really correct...
2498             return row + ((y-yy) / m_lineHeight);
2499         }
2500
2501         wxDataViewItem item = node->GetItem();
2502
2503         if (node && !node->HasChildren())
2504         {
2505             // Yes, if the node does not have any child, it must be a leaf which
2506             // mean that it is a temporarily created by GetTreeNodeByRow
2507             wxDELETE(node);
2508         }
2509
2510         unsigned int cols = GetOwner()->GetColumnCount();
2511         unsigned int col;
2512         int height = m_lineHeight;
2513         for (col = 0; col < cols; col++)
2514         {
2515             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2516             if (column->IsHidden())
2517                 continue;      // skip it!
2518
2519             if ((col != 0) &&
2520                 model->IsContainer(item) &&
2521                 !model->HasContainerColumns(item))
2522                 continue;      // skip it!
2523
2524             wxVariant value;
2525             model->GetValue( value, item, column->GetModelColumn() );
2526
2527             wxDataViewRenderer *renderer =
2528                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2529             renderer->SetValue( value );
2530             height = wxMax( height, renderer->GetSize().y );
2531         }
2532
2533         yy += height;
2534         if (y < yy)
2535             return row;
2536
2537         row++;
2538     }
2539 }
2540
2541 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2542 {
2543     const wxDataViewModel *model = GetOwner()->GetModel();
2544
2545     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2546     {
2547         wxASSERT( !IsVirtualList() );
2548
2549         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2550         // wxASSERT( node );
2551         if (!node) return m_lineHeight;
2552
2553         wxDataViewItem item = node->GetItem();
2554
2555         if (node && !node->HasChildren())
2556         {
2557                 // Yes, if the node does not have any child, it must be a leaf which
2558                 // mean that it is a temporarily created by GetTreeNodeByRow
2559             wxDELETE(node);
2560         }
2561
2562         int height = m_lineHeight;
2563
2564         unsigned int cols = GetOwner()->GetColumnCount();
2565         unsigned int col;
2566         for (col = 0; col < cols; col++)
2567         {
2568             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2569             if (column->IsHidden())
2570                 continue;      // skip it!
2571
2572             if ((col != 0) &&
2573                 model->IsContainer(item) &&
2574                 !model->HasContainerColumns(item))
2575                 continue;      // skip it!
2576
2577             wxVariant value;
2578             model->GetValue( value, item, column->GetModelColumn() );
2579
2580             wxDataViewRenderer *renderer =
2581                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2582             renderer->SetValue( value );
2583             height = wxMax( height, renderer->GetSize().y );
2584         }
2585
2586         return height;
2587     }
2588     else
2589     {
2590         return m_lineHeight;
2591     }
2592 }
2593
2594 class RowToItemJob: public DoJob
2595 {
2596 public:
2597     RowToItemJob( unsigned int row , int current )
2598         { this->row = row; this->current = current; }
2599     virtual ~RowToItemJob() {}
2600
2601     virtual int operator() ( wxDataViewTreeNode * node )
2602     {
2603         current ++;
2604         if( current == static_cast<int>(row))
2605         {
2606             ret = node->GetItem();
2607             return DoJob::OK;
2608         }
2609
2610         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2611         {
2612             current += node->GetSubTreeCount();
2613             return  DoJob::IGR;
2614         }
2615         else
2616         {
2617             // If the current has no child node, we can find the desired item of the row
2618             // number directly.
2619             // This if can speed up finding in some case, and will has a very good effect
2620             // when it comes to list view
2621             if( node->GetNodes().GetCount() == 0)
2622             {
2623                 int index = static_cast<int>(row) - current - 1;
2624                 ret = node->GetChildren().Item( index );
2625                 return DoJob::OK;
2626             }
2627             return DoJob::CONT;
2628         }
2629     }
2630
2631     virtual int operator() ( void * n )
2632     {
2633         current ++;
2634         if( current == static_cast<int>(row))
2635         {
2636             ret = wxDataViewItem( n );
2637             return DoJob::OK;
2638         }
2639         return DoJob::CONT;
2640     }
2641
2642     wxDataViewItem GetResult() const
2643         { return ret; }
2644
2645 private:
2646     unsigned int row;
2647     int current;
2648     wxDataViewItem ret;
2649 };
2650
2651 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2652 {
2653     if (IsVirtualList())
2654     {
2655         return wxDataViewItem( wxUIntToPtr(row+1) );
2656     }
2657     else
2658     {
2659         RowToItemJob job( row, -2 );
2660         Walker( m_root , job );
2661         return job.GetResult();
2662     }
2663 }
2664
2665 class RowToTreeNodeJob: public DoJob
2666 {
2667 public:
2668     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2669     {
2670         this->row = row;
2671         this->current = current;
2672         ret = NULL;
2673         parent = node;
2674     }
2675     virtual ~RowToTreeNodeJob(){ }
2676
2677     virtual int operator() ( wxDataViewTreeNode * node )
2678     {
2679         current ++;
2680         if( current == static_cast<int>(row))
2681         {
2682             ret = node;
2683             return DoJob::OK;
2684         }
2685
2686         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2687         {
2688             current += node->GetSubTreeCount();
2689             return  DoJob::IGR;
2690         }
2691         else
2692         {
2693             parent = node;
2694
2695             // If the current node has no children, we can find the desired item of the
2696             // row number directly.
2697             // This if can speed up finding in some case, and will have a very good
2698             // effect for list views.
2699             if( node->GetNodes().GetCount() == 0)
2700             {
2701                 int index = static_cast<int>(row) - current - 1;
2702                 void * n = node->GetChildren().Item( index );
2703                 ret = new wxDataViewTreeNode( parent );
2704                 ret->SetItem( wxDataViewItem( n ));
2705                 ret->SetHasChildren(false);
2706                 return DoJob::OK;
2707             }
2708             return DoJob::CONT;
2709         }
2710     }
2711
2712     virtual int operator() ( void * n )
2713     {
2714         current ++;
2715         if( current == static_cast<int>(row))
2716         {
2717             ret = new wxDataViewTreeNode( parent );
2718             ret->SetItem( wxDataViewItem( n ));
2719             ret->SetHasChildren(false);
2720             return DoJob::OK;
2721         }
2722
2723         return DoJob::CONT;
2724     }
2725
2726     wxDataViewTreeNode * GetResult() const
2727         { return ret; }
2728
2729 private:
2730     unsigned int row;
2731     int current;
2732     wxDataViewTreeNode * ret;
2733     wxDataViewTreeNode * parent;
2734 };
2735
2736 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2737 {
2738     wxASSERT( !IsVirtualList() );
2739
2740     RowToTreeNodeJob job( row , -2, m_root );
2741     Walker( m_root , job );
2742     return job.GetResult();
2743 }
2744
2745 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2746                                                          const wxDataViewItem & item )
2747 {
2748     wxWindow *parent = GetParent();
2749     wxDataViewEvent le(type, parent->GetId());
2750
2751     le.SetEventObject(parent);
2752     le.SetModel(GetOwner()->GetModel());
2753     le.SetItem( item );
2754
2755     parent->GetEventHandler()->ProcessEvent(le);
2756     return le;
2757 }
2758
2759 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2760 {
2761     if (IsVirtualList())
2762         return false;
2763
2764     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2765     if (!node)
2766         return false;
2767
2768     if (!node->HasChildren())
2769     {
2770         delete node;
2771         return false;
2772     }
2773
2774     return node->IsOpen();
2775 }
2776
2777 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2778 {
2779     if (IsVirtualList())
2780         return false;
2781
2782     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2783     if (!node)
2784         return false;
2785
2786     if (!node->HasChildren())
2787     {
2788         delete node;
2789         return false;
2790     }
2791
2792     return true;
2793 }
2794
2795 void wxDataViewMainWindow::Expand( unsigned int row )
2796 {
2797     if (IsVirtualList())
2798         return;
2799
2800     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2801     if (!node)
2802         return;
2803
2804     if (!node->HasChildren())
2805     {
2806         delete node;
2807         return;
2808     }
2809
2810             if (!node->IsOpen())
2811             {
2812                 wxDataViewEvent e =
2813                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2814
2815                 // Check if the user prevent expanding
2816                 if( e.GetSkipped() )
2817                     return;
2818
2819                 node->ToggleOpen();
2820
2821                 // build the children of current node
2822                 if( node->GetChildrenNumber() == 0 )
2823                 {
2824                     SortPrepare();
2825                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2826                 }
2827
2828                 // By expanding the node all row indices that are currently in the selection list
2829                 // and are greater than our node have become invalid. So we have to correct that now.
2830                 const unsigned rowAdjustment = node->GetSubTreeCount();
2831                 for(unsigned i=0; i<m_selection.size(); ++i)
2832                 {
2833                     const unsigned testRow = m_selection[i];
2834                     // all rows above us are not affected, so skip them
2835                     if(testRow <= row)
2836                         continue;
2837
2838                     m_selection[i] += rowAdjustment;
2839                 }
2840
2841                 if(m_currentRow > row)
2842                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2843
2844                 m_count = -1;
2845                 UpdateDisplay();
2846                 // Send the expanded event
2847                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2848             }
2849 }
2850
2851 void wxDataViewMainWindow::Collapse(unsigned int row)
2852 {
2853     if (IsVirtualList())
2854         return;
2855
2856     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2857     if (!node)
2858         return;
2859
2860     if (!node->HasChildren())
2861     {
2862         delete node;
2863         return;
2864     }
2865
2866         if (node->IsOpen())
2867         {
2868             wxDataViewEvent e =
2869                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2870             if( e.GetSkipped() )
2871                 return;
2872
2873             // Find out if there are selected items below the current node.
2874             bool selectCollapsingRow = false;
2875             const unsigned rowAdjustment = node->GetSubTreeCount();
2876             unsigned maxRowToBeTested = row + rowAdjustment;
2877             for(unsigned i=0; i<m_selection.size(); ++i)
2878             {
2879                 const unsigned testRow = m_selection[i];
2880                 if(testRow > row && testRow <= maxRowToBeTested)
2881                 {
2882                     selectCollapsingRow = true;
2883                     // get out as soon as we have found a node that is selected
2884                     break;
2885                 }
2886             }
2887
2888             node->ToggleOpen();
2889
2890             // If the node to be closed has selected items the user won't see those any longer.
2891             // We select the collapsing node in this case.
2892             if(selectCollapsingRow)
2893             {
2894                 SelectAllRows(false);
2895                 ChangeCurrentRow(row);
2896                 SelectRow(row, true);
2897                 SendSelectionChangedEvent(GetItemByRow(row));
2898             }
2899             else
2900             {
2901                 // if there were no selected items below our node we still need to "fix" the
2902                 // selection list to adjust for the changing of the row indices.
2903                 // We actually do the opposite of what we are doing in Expand().
2904                 for(unsigned i=0; i<m_selection.size(); ++i)
2905                 {
2906                     const unsigned testRow = m_selection[i];
2907                     // all rows above us are not affected, so skip them
2908                     if(testRow <= row)
2909                         continue;
2910
2911                     m_selection[i] -= rowAdjustment;
2912                 }
2913
2914                 // if the "current row" is being collapsed away we change it to the current row ;-)
2915                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2916                     ChangeCurrentRow(row);
2917                 else if(m_currentRow > row)
2918                     ChangeCurrentRow(m_currentRow - rowAdjustment);
2919             }
2920
2921             m_count = -1;
2922             UpdateDisplay();
2923             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
2924         }
2925 }
2926
2927 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2928 {
2929     wxDataViewModel * model = GetOwner()->GetModel();
2930     if( model == NULL )
2931         return NULL;
2932
2933     if (!item.IsOk())
2934         return m_root;
2935
2936     // Compose the a parent-chain of the finding item
2937     ItemList list;
2938     list.DeleteContents( true );
2939     wxDataViewItem it( item );
2940     while( it.IsOk() )
2941     {
2942         wxDataViewItem * pItem = new wxDataViewItem( it );
2943         list.Insert( pItem );
2944         it = model->GetParent( it );
2945     }
2946
2947     // Find the item along the parent-chain.
2948     // This algorithm is designed to speed up the node-finding method
2949     wxDataViewTreeNode * node = m_root;
2950     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2951     {
2952         if( node->HasChildren() )
2953         {
2954             if( node->GetChildrenNumber() == 0 )
2955             {
2956                 SortPrepare();
2957                 ::BuildTreeHelper(model, node->GetItem(), node);
2958             }
2959
2960             wxDataViewTreeNodes nodes = node->GetNodes();
2961             unsigned int i;
2962             bool found = false;
2963
2964             for (i = 0; i < nodes.GetCount(); i ++)
2965             {
2966                 if (nodes[i]->GetItem() == (**iter))
2967                 {
2968                     if (nodes[i]->GetItem() == item)
2969                     return nodes[i];
2970
2971                     node = nodes[i];
2972                     found = true;
2973                     break;
2974                 }
2975             }
2976             if (!found)
2977                 return NULL;
2978         }
2979         else
2980             return NULL;
2981     }
2982     return NULL;
2983 }
2984
2985 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
2986                                     wxDataViewColumn* &column )
2987 {
2988     wxDataViewColumn *col = NULL;
2989     unsigned int cols = GetOwner()->GetColumnCount();
2990     unsigned int colnum = 0;
2991     int x, y;
2992     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2993     for (unsigned x_start = 0; colnum < cols; colnum++)
2994     {
2995         col = GetOwner()->GetColumnAt(colnum);
2996         if (col->IsHidden())
2997             continue;      // skip it!
2998
2999         unsigned int w = col->GetWidth();
3000         if (x_start+w >= (unsigned int)x)
3001             break;
3002
3003         x_start += w;
3004     }
3005
3006     column = col;
3007     item = GetItemByRow( GetLineAt( y ) );
3008 }
3009
3010 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3011                                           const wxDataViewColumn* column )
3012 {
3013     int xpos = 0;
3014     int width = 0;
3015
3016     unsigned int cols = GetOwner()->GetColumnCount();
3017     // If column is null the loop will compute the combined width of all columns.
3018     // Otherwise, it will compute the x position of the column we are looking for.
3019     for (unsigned int i = 0; i < cols; i++)
3020     {
3021         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3022
3023         if (col == column)
3024             break;
3025
3026         if (col->IsHidden())
3027             continue;      // skip it!
3028
3029         xpos += col->GetWidth();
3030         width += col->GetWidth();
3031     }
3032
3033     if(column != 0)
3034     {
3035         // If we have a column, we need can get its width directly.
3036         if(column->IsHidden())
3037             width = 0;
3038         else
3039             width = column->GetWidth();
3040
3041     }
3042     else
3043     {
3044         // If we have no column, we reset the x position back to zero.
3045         xpos = 0;
3046     }
3047
3048     // we have to take an expander column into account and compute its indentation
3049     // to get the correct x position where the actual text is
3050     int indent = 0;
3051     int row = GetRowByItem(item);
3052     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3053     {
3054         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3055         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3056         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3057
3058         if(!node->HasChildren())
3059             delete node;
3060     }
3061
3062     wxRect itemRect( xpos + indent,
3063                      GetLineStart( row ),
3064                      width - indent,
3065                      GetLineHeight( row ) );
3066
3067     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3068                                       &itemRect.x, &itemRect.y );
3069
3070     return itemRect;
3071 }
3072
3073 int wxDataViewMainWindow::RecalculateCount()
3074 {
3075     if (IsVirtualList())
3076     {
3077         wxDataViewVirtualListModel *list_model =
3078             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3079
3080         return list_model->GetCount();
3081     }
3082     else
3083     {
3084         return m_root->GetSubTreeCount();
3085     }
3086 }
3087
3088 class ItemToRowJob : public DoJob
3089 {
3090 public:
3091     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3092         : m_iter(iter),
3093         item(item_)
3094     {
3095         ret = -1;
3096     }
3097
3098     // Maybe binary search will help to speed up this process
3099     virtual int operator() ( wxDataViewTreeNode * node)
3100     {
3101         ret ++;
3102         if( node->GetItem() == item )
3103         {
3104             return DoJob::OK;
3105         }
3106
3107         if( node->GetItem() == **m_iter )
3108         {
3109             m_iter++;
3110             return DoJob::CONT;
3111         }
3112         else
3113         {
3114             ret += node->GetSubTreeCount();
3115             return DoJob::IGR;
3116         }
3117
3118     }
3119
3120     virtual int operator() ( void * n )
3121     {
3122         ret ++;
3123         if( n == item.GetID() )
3124             return DoJob::OK;
3125         return DoJob::CONT;
3126     }
3127
3128     // the row number is begin from zero
3129     int GetResult() const
3130         { return ret -1; }
3131
3132 private:
3133     ItemList::const_iterator  m_iter;
3134     wxDataViewItem item;
3135     int ret;
3136
3137 };
3138
3139 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3140 {
3141     const wxDataViewModel * model = GetOwner()->GetModel();
3142     if( model == NULL )
3143         return -1;
3144
3145     if (IsVirtualList())
3146     {
3147         return wxPtrToUInt( item.GetID() ) -1;
3148     }
3149     else
3150     {
3151         if( !item.IsOk() )
3152             return -1;
3153
3154         // Compose the a parent-chain of the finding item
3155         ItemList list;
3156         wxDataViewItem * pItem;
3157         list.DeleteContents( true );
3158         wxDataViewItem it( item );
3159         while( it.IsOk() )
3160         {
3161             pItem = new wxDataViewItem( it );
3162             list.Insert( pItem );
3163             it = model->GetParent( it );
3164         }
3165         pItem = new wxDataViewItem( );
3166         list.Insert( pItem );
3167
3168         ItemToRowJob job( item, list.begin() );
3169         Walker(m_root , job );
3170         return job.GetResult();
3171     }
3172 }
3173
3174 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3175                              wxDataViewTreeNode * node)
3176 {
3177     if( !model->IsContainer( item ) )
3178         return;
3179
3180     wxDataViewItemArray children;
3181     unsigned int num = model->GetChildren( item, children);
3182
3183     unsigned int index = 0;
3184     while( index < num )
3185     {
3186         if( model->IsContainer( children[index] ) )
3187         {
3188             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3189             n->SetItem(children[index]);
3190             n->SetHasChildren( true );
3191             node->AddNode( n );
3192         }
3193         else
3194         {
3195             node->AddLeaf( children[index].GetID() );
3196         }
3197         index ++;
3198     }
3199     node->SetSubTreeCount( num );
3200     wxDataViewTreeNode * n = node->GetParent();
3201     if( n != NULL)
3202         n->ChangeSubTreeCount(num);
3203
3204 }
3205
3206 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3207 {
3208     DestroyTree();
3209
3210     if (GetOwner()->GetModel()->IsVirtualListModel())
3211     {
3212         m_count = -1;
3213         return;
3214     }
3215
3216     m_root = new wxDataViewTreeNode( NULL );
3217     m_root->SetHasChildren(true);
3218
3219     // First we define a invalid item to fetch the top-level elements
3220     wxDataViewItem item;
3221     SortPrepare();
3222     BuildTreeHelper( model, item, m_root);
3223     m_count = -1;
3224 }
3225
3226 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3227 {
3228     if( node->GetNodeNumber() != 0 )
3229     {
3230         int len = node->GetNodeNumber();
3231         wxDataViewTreeNodes& nodes = node->GetNodes();
3232         for (int i = 0; i < len; i++)
3233             DestroyTreeHelper(nodes[i]);
3234     }
3235     delete node;
3236 }
3237
3238 void wxDataViewMainWindow::DestroyTree()
3239 {
3240     if (!IsVirtualList())
3241     {
3242         ::DestroyTreeHelper(m_root);
3243             m_count = 0;
3244             m_root = NULL;
3245     }
3246 }
3247
3248 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3249 {
3250     if ( GetParent()->HandleAsNavigationKey(event) )
3251         return;
3252
3253     // no item -> nothing to do
3254     if (!HasCurrentRow())
3255     {
3256         event.Skip();
3257         return;
3258     }
3259
3260     // don't use m_linesPerPage directly as it might not be computed yet
3261     const int pageSize = GetCountPerPage();
3262     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3263
3264     switch ( event.GetKeyCode() )
3265     {
3266         case WXK_RETURN:
3267             {
3268                 wxWindow *parent = GetParent();
3269                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3270                                    parent->GetId());
3271                 le.SetItem( GetItemByRow(m_currentRow) );
3272                 le.SetEventObject(parent);
3273                 le.SetModel(GetOwner()->GetModel());
3274
3275                 parent->GetEventHandler()->ProcessEvent(le);
3276             }
3277             break;
3278
3279         case WXK_UP:
3280             if ( m_currentRow > 0 )
3281                 OnArrowChar( m_currentRow - 1, event );
3282             break;
3283
3284         case WXK_DOWN:
3285             if ( m_currentRow < GetRowCount() - 1 )
3286                 OnArrowChar( m_currentRow + 1, event );
3287             break;
3288         // Add the process for tree expanding/collapsing
3289         case WXK_LEFT:
3290         {
3291             if (IsVirtualList())
3292                break;
3293
3294             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3295             if (!node)
3296                 break;
3297
3298             if (node->HasChildren() && node->IsOpen())
3299             {
3300                 Collapse(m_currentRow);
3301             }
3302             else    // if the node is already closed we move the selection to its parent
3303             {
3304                 wxDataViewTreeNode *parent_node = node->GetParent();
3305
3306                 if(!node->HasChildren())
3307                     delete node;
3308
3309                 if (parent_node)
3310                 {
3311                     int parent = GetRowByItem( parent_node->GetItem() );
3312                     if ( parent >= 0 )
3313                     {
3314                         unsigned int row = m_currentRow;
3315                         SelectRow( row, false);
3316                         SelectRow( parent, true );
3317                         ChangeCurrentRow( parent );
3318                         GetOwner()->EnsureVisible( parent, -1 );
3319                         SendSelectionChangedEvent( parent_node->GetItem() );
3320                     }
3321                 }
3322             }
3323             break;
3324         }
3325         case WXK_RIGHT:
3326         {
3327             if (!IsExpanded( m_currentRow ))
3328                 Expand( m_currentRow );
3329             else
3330             {
3331                 unsigned int row = m_currentRow;
3332                 SelectRow( row, false );
3333                 SelectRow( row + 1, true );
3334                 ChangeCurrentRow( row + 1 );
3335                 GetOwner()->EnsureVisible( row + 1, -1 );
3336                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3337             }
3338             break;
3339         }
3340         case WXK_END:
3341         {
3342             if (!IsEmpty())
3343                 OnArrowChar( GetRowCount() - 1, event );
3344             break;
3345         }
3346         case WXK_HOME:
3347             if (!IsEmpty())
3348                 OnArrowChar( 0, event );
3349             break;
3350
3351         case WXK_PAGEUP:
3352             {
3353                 int steps = pageSize - 1;
3354                 int index = m_currentRow - steps;
3355                 if (index < 0)
3356                     index = 0;
3357
3358                 OnArrowChar( index, event );
3359             }
3360             break;
3361
3362         case WXK_PAGEDOWN:
3363             {
3364                 int steps = pageSize - 1;
3365                 unsigned int index = m_currentRow + steps;
3366                 unsigned int count = GetRowCount();
3367                 if ( index >= count )
3368                     index = count - 1;
3369
3370                 OnArrowChar( index, event );
3371             }
3372             break;
3373
3374         case WXK_F2:
3375             {
3376                 if(m_selection.size() == 1)
3377                 {
3378                     // TODO: we need to revise that when we have a concept for a 'current column'
3379                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3380                 }
3381             }
3382             break;
3383
3384         default:
3385             event.Skip();
3386     }
3387 }
3388
3389 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3390 {
3391     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3392     {
3393         // let the base handle mouse wheel events.
3394         event.Skip();
3395         return;
3396     }
3397
3398     int x = event.GetX();
3399     int y = event.GetY();
3400     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3401     wxDataViewColumn *col = NULL;
3402
3403     int xpos = 0;
3404     unsigned int cols = GetOwner()->GetColumnCount();
3405     unsigned int i;
3406     for (i = 0; i < cols; i++)
3407     {
3408         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3409         if (c->IsHidden())
3410             continue;      // skip it!
3411
3412         if (x < xpos + c->GetWidth())
3413         {
3414             col = c;
3415             break;
3416         }
3417         xpos += c->GetWidth();
3418     }
3419     if (!col)
3420         return;
3421
3422     wxDataViewRenderer *cell = col->GetRenderer();
3423     unsigned int current = GetLineAt( y );
3424     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3425     {
3426         // Unselect all if below the last row ?
3427         return;
3428     }
3429
3430     // Test whether the mouse is hovered on the tree item button
3431     bool hoverOverExpander = false;
3432     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3433     {
3434         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3435         if( node!=NULL && node->HasChildren() )
3436         {
3437             int indent = node->GetIndentLevel();
3438             indent = GetOwner()->GetIndent()*indent;
3439
3440             // we make the rectangle we are looking in a bit bigger than the actual
3441             // visual expander so the user can hit that little thing reliably
3442             wxRect rect( xpos + indent,
3443                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3444                         m_lineHeight, m_lineHeight);
3445             if( rect.Contains(x, y) )
3446             {
3447                 // So the mouse is over the expander
3448                 hoverOverExpander = true;
3449                 if (m_underMouse && m_underMouse != node)
3450                 {
3451                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3452                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3453                 }
3454                 if (m_underMouse != node)
3455                 {
3456                     // wxLogMessage("Do the row: %d", current);
3457                     RefreshRow(current);
3458                 }
3459                 m_underMouse = node;
3460             }
3461         }
3462         if (node!=NULL && !node->HasChildren())
3463             delete node;
3464     }
3465     if (!hoverOverExpander)
3466     {
3467         if (m_underMouse != NULL)
3468         {
3469             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3470             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3471             m_underMouse = NULL;
3472         }
3473     }
3474
3475     wxDataViewModel *model = GetOwner()->GetModel();
3476
3477 #if wxUSE_DRAG_AND_DROP
3478     if (event.Dragging())
3479     {
3480         if (m_dragCount == 0)
3481         {
3482             // we have to report the raw, physical coords as we want to be
3483             // able to call HitTest(event.m_pointDrag) from the user code to
3484             // get the item being dragged
3485             m_dragStart = event.GetPosition();
3486         }
3487
3488         m_dragCount++;
3489
3490         if (m_dragCount != 3)
3491             return;
3492
3493         if (event.LeftIsDown())
3494         {
3495             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3496                                              &m_dragStart.x, &m_dragStart.y );
3497             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3498             wxDataViewItem item = GetItemByRow( drag_item_row );
3499
3500             // Notify cell about drag
3501             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3502             event.SetEventObject( m_owner );
3503             event.SetItem( item );
3504             event.SetModel( model );
3505             if (!m_owner->HandleWindowEvent( event ))
3506                 return;
3507
3508             if (!event.IsAllowed())
3509                 return;
3510
3511             wxDataObject *obj = event.GetDataObject();
3512             if (!obj)
3513                 return;
3514
3515             wxDataViewDropSource drag( this, drag_item_row );
3516             drag.SetData( *obj );
3517             /* wxDragResult res = */ drag.DoDragDrop();
3518             delete obj;
3519         }
3520         return;
3521     }
3522     else
3523     {
3524         m_dragCount = 0;
3525     }
3526 #endif // wxUSE_DRAG_AND_DROP
3527
3528     bool simulateClick = false;
3529
3530     if (event.ButtonDClick())
3531     {
3532         m_renameTimer->Stop();
3533         m_lastOnSame = false;
3534     }
3535
3536     wxDataViewItem item = GetItemByRow(current);
3537     bool ignore_other_columns =
3538         ((GetOwner()->GetExpanderColumn() != col) &&
3539         (model->IsContainer(item)) &&
3540         (!model->HasContainerColumns(item)));
3541
3542     if (event.LeftDClick())
3543     {
3544         if(hoverOverExpander)
3545         {
3546             // a double click on the expander will be converted into a "simulated" normal click
3547             simulateClick = true;
3548         }
3549         else if ( current == m_lineLastClicked )
3550         {
3551             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3552             {
3553                 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3554                 {
3555                     wxVariant value;
3556                     model->GetValue( value, item, col->GetModelColumn() );
3557                     custom->SetValue( value );
3558                     wxRect cell_rect( xpos, GetLineStart( current ),
3559                                     col->GetWidth(), GetLineHeight( current ) );
3560                     custom->Activate( cell_rect, model, item, col->GetModelColumn() );
3561                 }
3562             }
3563             else
3564             {
3565                 wxWindow *parent = GetParent();
3566                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3567                 le.SetItem( item );
3568                 le.SetEventObject(parent);
3569                 le.SetModel(GetOwner()->GetModel());
3570
3571                 parent->GetEventHandler()->ProcessEvent(le);
3572             }
3573             return;
3574         }
3575         else
3576         {
3577             // The first click was on another item, so don't interpret this as
3578             // a double click, but as a simple click instead
3579             simulateClick = true;
3580         }
3581     }
3582
3583     if (event.LeftUp() && !hoverOverExpander)
3584     {
3585         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3586         {
3587             // select single line
3588             SelectAllRows( false );
3589             SelectRow( m_lineSelectSingleOnUp, true );
3590             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3591         }
3592
3593         // If the user click the expander, we do not do editing even if the column
3594         // with expander are editable
3595         if (m_lastOnSame && !ignore_other_columns)
3596         {
3597             if ((col == m_currentCol) && (current == m_currentRow) &&
3598                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3599             {
3600                 m_renameTimer->Start( 100, true );
3601             }
3602         }
3603
3604         m_lastOnSame = false;
3605         m_lineSelectSingleOnUp = (unsigned int)-1;
3606     }
3607     else if(!event.LeftUp())
3608     {
3609         // This is necessary, because after a DnD operation in
3610         // from and to ourself, the up event is swallowed by the
3611         // DnD code. So on next non-up event (which means here and
3612         // now) m_lineSelectSingleOnUp should be reset.
3613         m_lineSelectSingleOnUp = (unsigned int)-1;
3614     }
3615
3616     if (event.RightDown())
3617     {
3618         m_lineBeforeLastClicked = m_lineLastClicked;
3619         m_lineLastClicked = current;
3620
3621         // If the item is already selected, do not update the selection.
3622         // Multi-selections should not be cleared if a selected item is clicked.
3623         if (!IsRowSelected(current))
3624         {
3625             SelectAllRows(false);
3626             ChangeCurrentRow(current);
3627             SelectRow(m_currentRow,true);
3628             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3629         }
3630     }
3631     else if (event.RightUp())
3632     {
3633         wxVariant value;
3634         model->GetValue( value, item, col->GetModelColumn() );
3635         wxWindow *parent = GetParent();
3636         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3637         le.SetItem( item );
3638         le.SetEventObject(parent);
3639         le.SetModel(GetOwner()->GetModel());
3640         le.SetValue(value);
3641         parent->GetEventHandler()->ProcessEvent(le);
3642     }
3643     else if (event.MiddleDown())
3644     {
3645     }
3646
3647     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3648     {
3649         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3650
3651         // hoverOverExpander being true tells us that our node must be
3652         // valid and have children.
3653         // So we don't need any extra checks.
3654         if( node->IsOpen() )
3655             Collapse(current);
3656         else
3657             Expand(current);
3658     }
3659     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3660     {
3661         SetFocus();
3662
3663         m_lineBeforeLastClicked = m_lineLastClicked;
3664         m_lineLastClicked = current;
3665
3666         unsigned int oldCurrentRow = m_currentRow;
3667         bool oldWasSelected = IsRowSelected(m_currentRow);
3668
3669         bool cmdModifierDown = event.CmdDown();
3670         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3671         {
3672             if ( IsSingleSel() || !IsRowSelected(current) )
3673             {
3674                 SelectAllRows( false );
3675                 ChangeCurrentRow(current);
3676                 SelectRow(m_currentRow,true);
3677                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3678             }
3679             else // multi sel & current is highlighted & no mod keys
3680             {
3681                 m_lineSelectSingleOnUp = current;
3682                 ChangeCurrentRow(current); // change focus
3683             }
3684         }
3685         else // multi sel & either ctrl or shift is down
3686         {
3687             if (cmdModifierDown)
3688             {
3689                 ChangeCurrentRow(current);
3690                 ReverseRowSelection(m_currentRow);
3691                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3692             }
3693             else if (event.ShiftDown())
3694             {
3695                 ChangeCurrentRow(current);
3696
3697                 unsigned int lineFrom = oldCurrentRow,
3698                     lineTo = current;
3699
3700                 if ( lineTo < lineFrom )
3701                 {
3702                     lineTo = lineFrom;
3703                     lineFrom = m_currentRow;
3704                 }
3705
3706                 SelectRows(lineFrom, lineTo, true);
3707                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3708             }
3709             else // !ctrl, !shift
3710             {
3711                 // test in the enclosing if should make it impossible
3712                 wxFAIL_MSG( wxT("how did we get here?") );
3713             }
3714         }
3715
3716         if (m_currentRow != oldCurrentRow)
3717             RefreshRow( oldCurrentRow );
3718
3719         wxDataViewColumn *oldCurrentCol = m_currentCol;
3720
3721         // Update selection here...
3722         m_currentCol = col;
3723
3724         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3725                         (current == oldCurrentRow)) && oldWasSelected;
3726
3727         // Call LeftClick after everything else as under GTK+
3728         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3729         {
3730             if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3731             {
3732                 // notify cell about click
3733                 wxVariant value;
3734                 model->GetValue( value, item, col->GetModelColumn() );
3735                 custom->SetValue( value );
3736                 wxRect cell_rect( xpos, GetLineStart( current ),
3737                                   col->GetWidth(), GetLineHeight( current ) );
3738                  /* ignore ret */ custom->LeftClick( event.GetPosition(), cell_rect,
3739                                   model, item, col->GetModelColumn());
3740             }
3741         }
3742     }
3743 }
3744
3745 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3746 {
3747     m_hasFocus = true;
3748
3749     if (HasCurrentRow())
3750         Refresh();
3751
3752     event.Skip();
3753 }
3754
3755 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3756 {
3757     m_hasFocus = false;
3758
3759     if (HasCurrentRow())
3760         Refresh();
3761
3762     event.Skip();
3763 }
3764
3765 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3766 {
3767     if( m_selection.GetCount() != 1 )
3768         return wxDataViewItem();
3769
3770     return GetItemByRow( m_selection.Item(0));
3771 }
3772
3773 //-----------------------------------------------------------------------------
3774 // wxDataViewCtrl
3775 //-----------------------------------------------------------------------------
3776
3777 WX_DEFINE_LIST(wxDataViewColumnList)
3778
3779 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3780 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3781     EVT_SIZE(wxDataViewCtrl::OnSize)
3782 END_EVENT_TABLE()
3783
3784 wxDataViewCtrl::~wxDataViewCtrl()
3785 {
3786     if (m_notifier)
3787         GetModel()->RemoveNotifier( m_notifier );
3788
3789     m_cols.Clear();
3790 }
3791
3792 void wxDataViewCtrl::Init()
3793 {
3794     m_cols.DeleteContents(true);
3795     m_notifier = NULL;
3796
3797     // No sorting column at start
3798     m_sortingColumnIdx = wxNOT_FOUND;
3799
3800     m_headerArea = NULL;
3801 }
3802
3803 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3804                             const wxPoint& pos, const wxSize& size,
3805                             long style, const wxValidator& validator )
3806 {
3807 //    if ( (style & wxBORDER_MASK) == 0)
3808 //        style |= wxBORDER_SUNKEN;
3809
3810     Init();
3811
3812     if (!wxControl::Create( parent, id, pos, size,
3813                             style | wxScrolledWindowStyle, validator))
3814         return false;
3815
3816     SetInitialSize(size);
3817
3818 #ifdef __WXMAC__
3819     MacSetClipChildren( true );
3820 #endif
3821
3822     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3823
3824     if (HasFlag(wxDV_NO_HEADER))
3825         m_headerArea = NULL;
3826     else
3827         m_headerArea = new wxDataViewHeaderWindow(this);
3828
3829     SetTargetWindow( m_clientArea );
3830
3831     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3832     if (m_headerArea)
3833         sizer->Add( m_headerArea, 0, wxGROW );
3834     sizer->Add( m_clientArea, 1, wxGROW );
3835     SetSizer( sizer );
3836
3837     return true;
3838 }
3839
3840 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3841 {
3842     return wxBORDER_THEME;
3843 }
3844
3845 #ifdef __WXMSW__
3846 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3847                                         WXWPARAM wParam,
3848                                         WXLPARAM lParam)
3849 {
3850     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3851
3852 #ifndef __WXWINCE__
3853     // we need to process arrows ourselves for scrolling
3854     if ( nMsg == WM_GETDLGCODE )
3855     {
3856         rc |= DLGC_WANTARROWS;
3857     }
3858 #endif
3859
3860     return rc;
3861 }
3862 #endif
3863
3864 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3865 {
3866     wxSize newsize = size;
3867     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3868     newsize.y -= m_headerArea->GetSize().y;
3869
3870     return newsize;
3871 }
3872
3873 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3874 {
3875     // We need to override OnSize so that our scrolled
3876     // window a) does call Layout() to use sizers for
3877     // positioning the controls but b) does not query
3878     // the sizer for their size and use that for setting
3879     // the scrollable area as set that ourselves by
3880     // calling SetScrollbar() further down.
3881
3882     Layout();
3883
3884     AdjustScrollbars();
3885 }
3886
3887 void wxDataViewCtrl::SetFocus()
3888 {
3889     if (m_clientArea)
3890         m_clientArea->SetFocus();
3891 }
3892
3893 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3894 {
3895     if (!wxDataViewCtrlBase::AssociateModel( model ))
3896         return false;
3897
3898     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3899
3900     model->AddNotifier( m_notifier );
3901
3902     m_clientArea->DestroyTree();
3903
3904     m_clientArea->BuildTree(model);
3905
3906     m_clientArea->UpdateDisplay();
3907
3908     return true;
3909 }
3910
3911 #if wxUSE_DRAG_AND_DROP
3912
3913 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3914 {
3915     return m_clientArea->EnableDragSource( format );
3916 }
3917
3918 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3919 {
3920     return m_clientArea->EnableDropTarget( format );
3921 }
3922
3923 #endif // wxUSE_DRAG_AND_DROP
3924
3925 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3926 {
3927     if (!wxDataViewCtrlBase::AppendColumn(col))
3928         return false;
3929
3930     m_cols.Append( col );
3931     OnColumnsCountChanged();
3932     return true;
3933 }
3934
3935 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3936 {
3937     if (!wxDataViewCtrlBase::PrependColumn(col))
3938         return false;
3939
3940     m_cols.Insert( col );
3941     OnColumnsCountChanged();
3942     return true;
3943 }
3944
3945 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3946 {
3947     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3948         return false;
3949
3950     m_cols.Insert( pos, col );
3951     OnColumnsCountChanged();
3952     return true;
3953 }
3954
3955 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3956 {
3957     if ( m_headerArea )
3958         m_headerArea->UpdateColumn(idx);
3959
3960     m_clientArea->UpdateDisplay();
3961 }
3962
3963 void wxDataViewCtrl::OnColumnsCountChanged()
3964 {
3965     if (m_headerArea)
3966         m_headerArea->SetColumnCount(GetColumnCount());
3967
3968     m_clientArea->UpdateDisplay();
3969 }
3970
3971 void wxDataViewCtrl::DoSetExpanderColumn()
3972 {
3973     m_clientArea->UpdateDisplay();
3974 }
3975
3976 void wxDataViewCtrl::DoSetIndent()
3977 {
3978     m_clientArea->UpdateDisplay();
3979 }
3980
3981 unsigned int wxDataViewCtrl::GetColumnCount() const
3982 {
3983     return m_cols.GetCount();
3984 }
3985
3986 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3987 {
3988     return m_cols[idx];
3989 }
3990
3991 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3992 {
3993     // columns can't be reordered if there is no header window which allows
3994     // to do this
3995     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
3996                                     : pos;
3997
3998     return GetColumn(idx);
3999 }
4000
4001 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4002 {
4003     const unsigned count = m_cols.size();
4004     for ( unsigned n = 0; n < count; n++ )
4005     {
4006         if ( m_cols[n] == column )
4007             return n;
4008     }
4009
4010     return wxNOT_FOUND;
4011 }
4012
4013 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4014                                 unsigned int WXUNUSED(new_pos))
4015 {
4016     // do _not_ reorder m_cols elements here, they should always be in the
4017     // order in which columns were added, we only display the columns in
4018     // different order
4019     m_clientArea->UpdateDisplay();
4020 }
4021
4022 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4023 {
4024     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4025     if (!ret)
4026         return false;
4027
4028     m_cols.Erase(ret);
4029     OnColumnsCountChanged();
4030
4031     return true;
4032 }
4033
4034 bool wxDataViewCtrl::ClearColumns()
4035 {
4036     m_cols.Clear();
4037     OnColumnsCountChanged();
4038     return true;
4039 }
4040
4041 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4042 {
4043     int ret = 0,
4044         dummy = 0;
4045     unsigned int len = GetColumnCount();
4046     for ( unsigned int i = 0; i < len; i++ )
4047     {
4048         wxDataViewColumn * col = GetColumnAt(i);
4049         if (col->IsHidden())
4050             continue;
4051         ret += col->GetWidth();
4052         if (column==col)
4053         {
4054             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4055             break;
4056         }
4057     }
4058     return ret;
4059 }
4060
4061 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4062 {
4063     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4064                                             : GetColumn(m_sortingColumnIdx);
4065 }
4066
4067 // Selection code with wxDataViewItem as parameters
4068 wxDataViewItem wxDataViewCtrl::GetSelection() const
4069 {
4070     return m_clientArea->GetSelection();
4071 }
4072
4073 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4074 {
4075     sel.Empty();
4076     wxDataViewSelection selection = m_clientArea->GetSelections();
4077     int len = selection.GetCount();
4078     for( int i = 0; i < len; i ++)
4079     {
4080         unsigned int row = selection[i];
4081         sel.Add( m_clientArea->GetItemByRow( row ) );
4082     }
4083     return len;
4084 }
4085
4086 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4087 {
4088     wxDataViewSelection selection(wxDataViewSelectionCmp);
4089
4090     wxDataViewItem last_parent;
4091
4092     int len = sel.GetCount();
4093     for( int i = 0; i < len; i ++ )
4094     {
4095         wxDataViewItem item = sel[i];
4096         wxDataViewItem parent = GetModel()->GetParent( item );
4097         if (parent)
4098         {
4099             if (parent != last_parent)
4100                 ExpandAncestors(item);
4101         }
4102
4103         last_parent = parent;
4104         int row = m_clientArea->GetRowByItem( item );
4105         if( row >= 0 )
4106             selection.Add( static_cast<unsigned int>(row) );
4107     }
4108
4109     m_clientArea->SetSelections( selection );
4110 }
4111
4112 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4113 {
4114     ExpandAncestors( item );
4115
4116     int row = m_clientArea->GetRowByItem( item );
4117     if( row >= 0 )
4118     {
4119         // Unselect all rows before select another in the single select mode
4120         if (m_clientArea->IsSingleSel())
4121             m_clientArea->SelectAllRows(false);
4122
4123         m_clientArea->SelectRow(row, true);
4124
4125         // Also set focus to the selected item
4126         m_clientArea->ChangeCurrentRow( row );
4127     }
4128 }
4129
4130 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4131 {
4132     int row = m_clientArea->GetRowByItem( item );
4133     if( row >= 0 )
4134         m_clientArea->SelectRow(row, false);
4135 }
4136
4137 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4138 {
4139     int row = m_clientArea->GetRowByItem( item );
4140     if( row >= 0 )
4141     {
4142         return m_clientArea->IsRowSelected(row);
4143     }
4144     return false;
4145 }
4146
4147 // Selection code with row number as parameter
4148 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4149 {
4150     sel.Empty();
4151     wxDataViewSelection selection = m_clientArea->GetSelections();
4152     int len = selection.GetCount();
4153     for( int i = 0; i < len; i ++)
4154     {
4155         unsigned int row = selection[i];
4156         sel.Add( row );
4157     }
4158     return len;
4159 }
4160
4161 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4162 {
4163     wxDataViewSelection selection(wxDataViewSelectionCmp);
4164     int len = sel.GetCount();
4165     for( int i = 0; i < len; i ++ )
4166     {
4167         int row = sel[i];
4168         if( row >= 0 )
4169             selection.Add( static_cast<unsigned int>(row) );
4170     }
4171     m_clientArea->SetSelections( selection );
4172 }
4173
4174 void wxDataViewCtrl::Select( int row )
4175 {
4176     if( row >= 0 )
4177     {
4178         if (m_clientArea->IsSingleSel())
4179             m_clientArea->SelectAllRows(false);
4180         m_clientArea->SelectRow( row, true );
4181     }
4182 }
4183
4184 void wxDataViewCtrl::Unselect( int row )
4185 {
4186     if( row >= 0 )
4187         m_clientArea->SelectRow(row, false);
4188 }
4189
4190 bool wxDataViewCtrl::IsSelected( int row ) const
4191 {
4192     if( row >= 0 )
4193         return m_clientArea->IsRowSelected(row);
4194     return false;
4195 }
4196
4197 void wxDataViewCtrl::SelectRange( int from, int to )
4198 {
4199     wxArrayInt sel;
4200     for( int i = from; i < to; i ++ )
4201         sel.Add( i );
4202     m_clientArea->Select(sel);
4203 }
4204
4205 void wxDataViewCtrl::UnselectRange( int from, int to )
4206 {
4207     wxDataViewSelection sel = m_clientArea->GetSelections();
4208     for( int i = from; i < to; i ++ )
4209         if( sel.Index( i ) != wxNOT_FOUND )
4210             sel.Remove( i );
4211     m_clientArea->SetSelections(sel);
4212 }
4213
4214 void wxDataViewCtrl::SelectAll()
4215 {
4216     m_clientArea->SelectAllRows(true);
4217 }
4218
4219 void wxDataViewCtrl::UnselectAll()
4220 {
4221     m_clientArea->SelectAllRows(false);
4222 }
4223
4224 void wxDataViewCtrl::EnsureVisible( int row, int column )
4225 {
4226     if( row < 0 )
4227         row = 0;
4228     if( row > (int) m_clientArea->GetRowCount() )
4229         row = m_clientArea->GetRowCount();
4230
4231     int first = m_clientArea->GetFirstVisibleRow();
4232     int last = m_clientArea->GetLastVisibleRow();
4233     if( row < first )
4234         m_clientArea->ScrollTo( row, column );
4235     else if( row > last )
4236         m_clientArea->ScrollTo( row - last + first, column );
4237     else
4238         m_clientArea->ScrollTo( first, column );
4239 }
4240
4241 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4242 {
4243     ExpandAncestors( item );
4244
4245     m_clientArea->RecalculateDisplay();
4246
4247     int row = m_clientArea->GetRowByItem(item);
4248     if( row >= 0 )
4249     {
4250         if( column == NULL )
4251             EnsureVisible(row, -1);
4252         else
4253             EnsureVisible( row, GetColumnIndex(column) );
4254     }
4255
4256 }
4257
4258 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4259                               wxDataViewColumn* &column ) const
4260 {
4261     m_clientArea->HitTest(point, item, column);
4262 }
4263
4264 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4265                                     const wxDataViewColumn* column ) const
4266 {
4267     return m_clientArea->GetItemRect(item, column);
4268 }
4269
4270 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4271 {
4272     return m_clientArea->GetItemByRow( row );
4273 }
4274
4275 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4276 {
4277     return m_clientArea->GetRowByItem( item );
4278 }
4279
4280 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4281 {
4282     int row = m_clientArea->GetRowByItem( item );
4283     if (row != -1)
4284         m_clientArea->Expand(row);
4285 }
4286
4287 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4288 {
4289     int row = m_clientArea->GetRowByItem( item );
4290     if (row != -1)
4291         m_clientArea->Collapse(row);
4292 }
4293
4294 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4295 {
4296     int row = m_clientArea->GetRowByItem( item );
4297     if (row != -1)
4298         return m_clientArea->IsExpanded(row);
4299     return false;
4300 }
4301
4302 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4303 {
4304     wxDataViewColumn* col = GetColumn( column );
4305     if (!col)
4306         return;
4307
4308     wxRect itemRect = GetItemRect(item, col);
4309     wxDataViewRenderer* renderer = col->GetRenderer();
4310     renderer->StartEditing(item, itemRect);
4311 }
4312
4313 #endif // !wxUSE_GENERICDATAVIEWCTRL
4314
4315 #endif // wxUSE_DATAVIEWCTRL