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 ),
1660                          x_last - x_start, GetLineHeight( item ) );
1661             wxRendererNative::Get().DrawItemSelectionRect
1662                                 (
1663                                     this,
1664                                     dc,
1665                                     rect,
1666                                     flags
1667                                 );
1668         }
1669     }
1670
1671 #if wxUSE_DRAG_AND_DROP
1672     if (m_dropHint)
1673     {
1674         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1675                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1676         dc.SetPen( *wxBLACK_PEN );
1677         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1678         dc.DrawRectangle( rect );
1679     }
1680 #endif // wxUSE_DRAG_AND_DROP
1681
1682     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1683     if (!expander)
1684     {
1685         // TODO-RTL: last column for RTL support
1686         expander = GetOwner()->GetColumnAt( 0 );
1687         GetOwner()->SetExpanderColumn(expander);
1688     }
1689
1690     // redraw all cells for all rows which must be repainted and all columns
1691     wxRect cell_rect;
1692     cell_rect.x = x_start;
1693     for (unsigned int i = col_start; i < col_last; i++)
1694     {
1695         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1696         wxDataViewRenderer *cell = col->GetRenderer();
1697         cell_rect.width = col->GetWidth();
1698
1699         if ( col->IsHidden() || cell_rect.width <= 0 )
1700             continue;       // skip it!
1701
1702         for (unsigned int item = item_start; item < item_last; item++)
1703         {
1704             // get the cell value and set it into the renderer
1705             wxVariant value;
1706             wxDataViewTreeNode *node = NULL;
1707             wxDataViewItem dataitem;
1708
1709             if (!IsVirtualList())
1710             {
1711                 node = GetTreeNodeByRow(item);
1712                 if( node == NULL )
1713                     continue;
1714
1715                 dataitem = node->GetItem();
1716
1717                 if ((i > 0) && model->IsContainer(dataitem) &&
1718                     !model->HasContainerColumns(dataitem))
1719                     continue;
1720             }
1721             else
1722             {
1723                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1724             }
1725
1726             model->GetValue( value, dataitem, col->GetModelColumn());
1727             cell->SetValue( value );
1728
1729             wxDataViewItemAttr attr;
1730             model->GetAttr(dataitem, col->GetModelColumn(), attr);
1731             cell->SetAttr(attr);
1732
1733             // update cell_rect
1734             cell_rect.y = GetLineStart( item );
1735             cell_rect.height = GetLineHeight( item );
1736
1737             // deal with the expander
1738             int indent = 0;
1739             if ((!IsVirtualList()) && (col == expander))
1740             {
1741                 // Calculate the indent first
1742                 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1743
1744                 // we reserve m_lineHeight of horizontal space for the expander
1745                 // but leave EXPANDER_MARGIN around the expander itself
1746                 int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
1747
1748                 indent += m_lineHeight;
1749
1750                 // draw expander if needed and visible
1751                 if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
1752                 {
1753                     dc.SetPen( m_penExpander );
1754                     dc.SetBrush( wxNullBrush );
1755
1756                     int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
1757                     int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
1758                                    + EXPANDER_MARGIN - EXPANDER_OFFSET;
1759
1760                     const wxRect rect(exp_x, exp_y, exp_size, exp_size);
1761
1762                     int flag = 0;
1763                     if ( m_underMouse == node )
1764                         flag |= wxCONTROL_CURRENT;
1765                     if ( node->IsOpen() )
1766                         flag |= wxCONTROL_EXPANDED;
1767
1768                     // ensure that we don't overflow the cell (which might
1769                     // happen if the column is very narrow)
1770                     wxDCClipper clip(dc, cell_rect);
1771
1772                     wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1773                 }
1774
1775                 // force the expander column to left-center align
1776                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1777             }
1778             if (node && !node->HasChildren())
1779             {
1780                 // Yes, if the node does not have any child, it must be a leaf which
1781                 // mean that it is a temporarily created by GetTreeNodeByRow
1782                 wxDELETE(node);
1783             }
1784
1785             wxRect item_rect = cell_rect;
1786             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1787
1788             // account for the tree indent (harmless if we're not indented)
1789             item_rect.x += indent;
1790             item_rect.width -= indent;
1791
1792             if ( item_rect.width <= 0 )
1793                 continue;
1794
1795             int state = 0;
1796             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1797                 state |= wxDATAVIEW_CELL_SELECTED;
1798
1799             // TODO: it would be much more efficient to create a clipping
1800             //       region for the entire column being rendered (in the OnPaint
1801             //       of wxDataViewMainWindow) instead of a single clip region for
1802             //       each cell. However it would mean that each renderer should
1803             //       respect the given wxRect's top & bottom coords, eventually
1804             //       violating only the left & right coords - however the user can
1805             //       make its own renderer and thus we cannot be sure of that.
1806             wxDCClipper clip(dc, item_rect);
1807
1808             cell->WXCallRender(item_rect, &dc, state);
1809         }
1810
1811         cell_rect.x += cell_rect.width;
1812     }
1813 }
1814
1815 void wxDataViewMainWindow::OnRenameTimer()
1816 {
1817     // We have to call this here because changes may just have
1818     // been made and no screen update taken place.
1819     if ( m_dirty )
1820     {
1821         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1822         //       (needs to be tested!)
1823         wxSafeYield();
1824     }
1825
1826     wxDataViewItem item = GetItemByRow( m_currentRow );
1827
1828     wxRect labelRect = GetItemRect(item, m_currentCol);
1829
1830     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1831 }
1832
1833 //-----------------------------------------------------------------------------
1834 // Helper class for do operation on the tree node
1835 //-----------------------------------------------------------------------------
1836 class DoJob
1837 {
1838 public:
1839     DoJob() { }
1840     virtual ~DoJob() { }
1841
1842     // The return value control how the tree-walker tranverse the tree
1843     // 0: Job done, stop tranverse and return
1844     // 1: Ignore the current node's subtree and continue
1845     // 2: Job not done, continue
1846     enum  { OK = 0 , IGR = 1, CONT = 2 };
1847     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1848     virtual int operator() ( void * n ) = 0;
1849 };
1850
1851 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1852 {
1853     if( node==NULL )
1854         return false;
1855
1856     switch( func( node ) )
1857     {
1858         case DoJob::OK :
1859             return true;
1860         case DoJob::IGR:
1861             return false;
1862         case DoJob::CONT:
1863         default:
1864             ;
1865     }
1866
1867     wxDataViewTreeNodes nodes = node->GetNodes();
1868     wxDataViewTreeLeaves leaves = node->GetChildren();
1869
1870     int len_nodes = nodes.GetCount();
1871     int len = leaves.GetCount();
1872     int i = 0, nodes_i = 0;
1873
1874     for(; i < len; i ++ )
1875     {
1876         void * n = leaves[i];
1877         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1878         {
1879             wxDataViewTreeNode * nd = nodes[nodes_i];
1880             nodes_i++;
1881
1882             if( Walker( nd , func ) )
1883                 return true;
1884
1885         }
1886         else
1887             switch( func( n ) )
1888             {
1889                 case DoJob::OK :
1890                     return true;
1891                 case DoJob::IGR:
1892                     continue;
1893                 case DoJob::CONT:
1894                 default:
1895                 ;
1896             }
1897     }
1898     return false;
1899 }
1900
1901 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1902 {
1903     if (IsVirtualList())
1904     {
1905         wxDataViewVirtualListModel *list_model =
1906             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1907         m_count = list_model->GetCount();
1908         UpdateDisplay();
1909         return true;
1910     }
1911
1912     SortPrepare();
1913
1914     wxDataViewTreeNode * node;
1915     node = FindNode(parent);
1916
1917     if( node == NULL )
1918         return false;
1919
1920     node->SetHasChildren( true );
1921
1922     if( g_model->IsContainer( item ) )
1923     {
1924         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1925         newnode->SetItem(item);
1926         newnode->SetHasChildren( true );
1927         node->AddNode( newnode);
1928     }
1929     else
1930         node->AddLeaf( item.GetID() );
1931
1932     node->ChangeSubTreeCount(1);
1933
1934     m_count = -1;
1935     UpdateDisplay();
1936
1937     return true;
1938 }
1939
1940 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1941
1942 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1943                                        const wxDataViewItem& item)
1944 {
1945     if (IsVirtualList())
1946     {
1947         wxDataViewVirtualListModel *list_model =
1948             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1949         m_count = list_model->GetCount();
1950
1951         if( m_currentRow > GetRowCount() )
1952             m_currentRow = m_count - 1;
1953
1954         // TODO: why empty the entire selection?
1955         m_selection.Empty();
1956
1957         UpdateDisplay();
1958
1959         return true;
1960     }
1961
1962     wxDataViewTreeNode * node = FindNode(parent);
1963
1964     wxCHECK_MSG( node != NULL, false, "item not found" );
1965     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
1966                  false, "item not found" );
1967
1968     int sub = -1;
1969     node->GetChildren().Remove( item.GetID() );
1970     // Manipolate selection
1971     if( m_selection.GetCount() > 1 )
1972     {
1973         m_selection.Empty();
1974     }
1975     bool isContainer = false;
1976     wxDataViewTreeNodes nds = node->GetNodes();
1977     for (size_t i = 0; i < nds.GetCount(); i ++)
1978     {
1979         if (nds[i]->GetItem() == item)
1980         {
1981             isContainer = true;
1982             break;
1983         }
1984     }
1985     if( isContainer )
1986     {
1987         wxDataViewTreeNode * n = NULL;
1988         wxDataViewTreeNodes nodes = node->GetNodes();
1989         int len = nodes.GetCount();
1990         for( int i = 0; i < len; i ++)
1991         {
1992             if( nodes[i]->GetItem() == item )
1993             {
1994                 n = nodes[i];
1995                 break;
1996             }
1997         }
1998
1999         wxCHECK_MSG( n != NULL, false, "item not found" );
2000
2001         node->GetNodes().Remove( n );
2002         sub -= n->GetSubTreeCount();
2003         ::DestroyTreeHelper(n);
2004     }
2005     // Make the row number invalid and get a new valid one when user call GetRowCount
2006     m_count = -1;
2007     node->ChangeSubTreeCount(sub);
2008
2009     // Change the current row to the last row if the current exceed the max row number
2010     if( m_currentRow > GetRowCount() )
2011         m_currentRow = m_count - 1;
2012
2013     UpdateDisplay();
2014
2015     return true;
2016 }
2017
2018 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2019 {
2020     SortPrepare();
2021     g_model->Resort();
2022
2023     // Send event
2024     wxWindow *parent = GetParent();
2025     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2026     le.SetEventObject(parent);
2027     le.SetModel(GetOwner()->GetModel());
2028     le.SetItem(item);
2029     parent->GetEventHandler()->ProcessEvent(le);
2030
2031     return true;
2032 }
2033
2034 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2035 {
2036     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2037 /*#define MAX_VIRTUAL_WIDTH       100000
2038
2039     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2040     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2041     Refresh( true, &rect );
2042
2043     return true;
2044 */
2045     SortPrepare();
2046     g_model->Resort();
2047
2048     // Send event
2049     wxWindow *parent = GetParent();
2050     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2051     le.SetEventObject(parent);
2052     le.SetModel(GetOwner()->GetModel());
2053     le.SetItem(item);
2054     le.SetColumn(col);
2055     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2056     parent->GetEventHandler()->ProcessEvent(le);
2057
2058     return true;
2059 }
2060
2061 bool wxDataViewMainWindow::Cleared()
2062 {
2063     DestroyTree();
2064
2065     SortPrepare();
2066     BuildTree( GetOwner()->GetModel() );
2067
2068     UpdateDisplay();
2069
2070     return true;
2071 }
2072
2073 void wxDataViewMainWindow::UpdateDisplay()
2074 {
2075     m_dirty = true;
2076     m_underMouse = NULL;
2077 }
2078
2079 void wxDataViewMainWindow::OnInternalIdle()
2080 {
2081     wxWindow::OnInternalIdle();
2082
2083     if (m_dirty)
2084     {
2085         RecalculateDisplay();
2086         m_dirty = false;
2087     }
2088 }
2089
2090 void wxDataViewMainWindow::RecalculateDisplay()
2091 {
2092     wxDataViewModel *model = GetOwner()->GetModel();
2093     if (!model)
2094     {
2095         Refresh();
2096         return;
2097     }
2098
2099     int width = GetEndOfLastCol();
2100     int height = GetLineStart( GetRowCount() );
2101
2102     SetVirtualSize( width, height );
2103     GetOwner()->SetScrollRate( 10, m_lineHeight );
2104
2105     Refresh();
2106 }
2107
2108 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2109 {
2110     wxWindow::ScrollWindow( dx, dy, rect );
2111
2112     if (GetOwner()->m_headerArea)
2113         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2114 }
2115
2116 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2117 {
2118     int x, y;
2119     m_owner->GetScrollPixelsPerUnit( &x, &y );
2120     int sy = GetLineStart( rows )/y;
2121     int sx = 0;
2122     if( column != -1 )
2123     {
2124         wxRect rect = GetClientRect();
2125         int colnum = 0;
2126         int x_start, w = 0;
2127         int xx, yy, xe;
2128         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2129         for (x_start = 0; colnum < column; colnum++)
2130         {
2131             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2132             if (col->IsHidden())
2133                 continue;      // skip it!
2134
2135             w = col->GetWidth();
2136             x_start += w;
2137         }
2138
2139         int x_end = x_start + w;
2140         xe = xx + rect.width;
2141         if( x_end > xe )
2142         {
2143             sx = ( xx + x_end - xe )/x;
2144         }
2145         if( x_start < xx )
2146         {
2147             sx = x_start/x;
2148         }
2149     }
2150     m_owner->Scroll( sx, sy );
2151 }
2152
2153 int wxDataViewMainWindow::GetCountPerPage() const
2154 {
2155     wxSize size = GetClientSize();
2156     return size.y / m_lineHeight;
2157 }
2158
2159 int wxDataViewMainWindow::GetEndOfLastCol() const
2160 {
2161     int width = 0;
2162     unsigned int i;
2163     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2164     {
2165         const wxDataViewColumn *c =
2166             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2167
2168         if (!c->IsHidden())
2169             width += c->GetWidth();
2170     }
2171     return width;
2172 }
2173
2174 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2175 {
2176     int x = 0;
2177     int y = 0;
2178     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2179
2180     return GetLineAt( y );
2181 }
2182
2183 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2184 {
2185     wxSize client_size = GetClientSize();
2186     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2187                                     &client_size.x, &client_size.y );
2188
2189     // we should deal with the pixel here
2190     unsigned int row = GetLineAt(client_size.y) - 1;
2191
2192     return wxMin( GetRowCount()-1, row );
2193 }
2194
2195 unsigned int wxDataViewMainWindow::GetRowCount()
2196 {
2197     if ( m_count == -1 )
2198     {
2199         m_count = RecalculateCount();
2200         UpdateDisplay();
2201     }
2202     return m_count;
2203 }
2204
2205 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2206 {
2207     m_currentRow = row;
2208
2209     // send event
2210 }
2211
2212 void wxDataViewMainWindow::SelectAllRows( bool on )
2213 {
2214     if (IsEmpty())
2215         return;
2216
2217     if (on)
2218     {
2219         m_selection.Clear();
2220         for (unsigned int i = 0; i < GetRowCount(); i++)
2221             m_selection.Add( i );
2222         Refresh();
2223     }
2224     else
2225     {
2226         unsigned int first_visible = GetFirstVisibleRow();
2227         unsigned int last_visible = GetLastVisibleRow();
2228         unsigned int i;
2229         for (i = 0; i < m_selection.GetCount(); i++)
2230         {
2231             unsigned int row = m_selection[i];
2232             if ((row >= first_visible) && (row <= last_visible))
2233                 RefreshRow( row );
2234         }
2235         m_selection.Clear();
2236     }
2237 }
2238
2239 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2240 {
2241     if (m_selection.Index( row ) == wxNOT_FOUND)
2242     {
2243         if (on)
2244         {
2245             m_selection.Add( row );
2246             RefreshRow( row );
2247         }
2248     }
2249     else
2250     {
2251         if (!on)
2252         {
2253             m_selection.Remove( row );
2254             RefreshRow( row );
2255         }
2256     }
2257 }
2258
2259 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2260 {
2261     if (from > to)
2262     {
2263         unsigned int tmp = from;
2264         from = to;
2265         to = tmp;
2266     }
2267
2268     unsigned int i;
2269     for (i = from; i <= to; i++)
2270     {
2271         if (m_selection.Index( i ) == wxNOT_FOUND)
2272         {
2273             if (on)
2274                 m_selection.Add( i );
2275         }
2276         else
2277         {
2278             if (!on)
2279                 m_selection.Remove( i );
2280         }
2281     }
2282     RefreshRows( from, to );
2283 }
2284
2285 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2286 {
2287     for (size_t i=0; i < aSelections.GetCount(); i++)
2288     {
2289         int n = aSelections[i];
2290
2291         m_selection.Add( n );
2292         RefreshRow( n );
2293     }
2294 }
2295
2296 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2297 {
2298     if (m_selection.Index( row ) == wxNOT_FOUND)
2299         m_selection.Add( row );
2300     else
2301         m_selection.Remove( row );
2302     RefreshRow( row );
2303 }
2304
2305 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2306 {
2307     return (m_selection.Index( row ) != wxNOT_FOUND);
2308 }
2309
2310 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2311 {
2312     wxWindow *parent = GetParent();
2313     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2314
2315     le.SetEventObject(parent);
2316     le.SetModel(GetOwner()->GetModel());
2317     le.SetItem( item );
2318
2319     parent->GetEventHandler()->ProcessEvent(le);
2320 }
2321
2322 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2323 {
2324     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2325     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2326
2327     wxSize client_size = GetClientSize();
2328     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2329     wxRect intersect_rect = client_rect.Intersect( rect );
2330     if (intersect_rect.width > 0)
2331         Refresh( true, &intersect_rect );
2332 }
2333
2334 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2335 {
2336     if (from > to)
2337     {
2338         unsigned int tmp = to;
2339         to = from;
2340         from = tmp;
2341     }
2342
2343     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2344     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2345
2346     wxSize client_size = GetClientSize();
2347     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2348     wxRect intersect_rect = client_rect.Intersect( rect );
2349     if (intersect_rect.width > 0)
2350         Refresh( true, &intersect_rect );
2351 }
2352
2353 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2354 {
2355     wxSize client_size = GetClientSize();
2356     int start = GetLineStart( firstRow );
2357     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2358     if (start > client_size.y) return;
2359
2360     wxRect rect( 0, start, client_size.x, client_size.y - start );
2361
2362     Refresh( true, &rect );
2363 }
2364
2365 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2366 {
2367     wxCHECK_RET( newCurrent < GetRowCount(),
2368                 wxT("invalid item index in OnArrowChar()") );
2369
2370     // if there is no selection, we cannot move it anywhere
2371     if (!HasCurrentRow())
2372         return;
2373
2374     unsigned int oldCurrent = m_currentRow;
2375
2376     // in single selection we just ignore Shift as we can't select several
2377     // items anyhow
2378     if ( event.ShiftDown() && !IsSingleSel() )
2379     {
2380         RefreshRow( oldCurrent );
2381
2382         ChangeCurrentRow( newCurrent );
2383
2384         // select all the items between the old and the new one
2385         if ( oldCurrent > newCurrent )
2386         {
2387             newCurrent = oldCurrent;
2388             oldCurrent = m_currentRow;
2389         }
2390
2391         SelectRows( oldCurrent, newCurrent, true );
2392         if (oldCurrent!=newCurrent)
2393             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2394     }
2395     else // !shift
2396     {
2397         RefreshRow( oldCurrent );
2398
2399         // all previously selected items are unselected unless ctrl is held
2400         if ( !event.ControlDown() )
2401             SelectAllRows(false);
2402
2403         ChangeCurrentRow( newCurrent );
2404
2405         if ( !event.ControlDown() )
2406         {
2407             SelectRow( m_currentRow, true );
2408             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2409         }
2410         else
2411             RefreshRow( m_currentRow );
2412     }
2413
2414     GetOwner()->EnsureVisible( m_currentRow, -1 );
2415 }
2416
2417 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2418 {
2419     wxRect rect;
2420     rect.x = 0;
2421     rect.y = GetLineStart( row );
2422     rect.width = GetEndOfLastCol();
2423     rect.height = GetLineHeight( row );
2424
2425     return rect;
2426 }
2427
2428 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2429 {
2430     const wxDataViewModel *model = GetOwner()->GetModel();
2431
2432     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2433     {
2434         // TODO make more efficient
2435
2436         int start = 0;
2437
2438         unsigned int r;
2439         for (r = 0; r < row; r++)
2440         {
2441             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2442             if (!node) return start;
2443
2444             wxDataViewItem item = node->GetItem();
2445
2446             if (node && !node->HasChildren())
2447             {
2448                 // Yes, if the node does not have any child, it must be a leaf which
2449                 // mean that it is a temporarily created by GetTreeNodeByRow
2450                 wxDELETE(node);
2451             }
2452
2453             unsigned int cols = GetOwner()->GetColumnCount();
2454             unsigned int col;
2455             int height = m_lineHeight;
2456             for (col = 0; col < cols; col++)
2457             {
2458                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2459                 if (column->IsHidden())
2460                     continue;      // skip it!
2461
2462                 if ((col != 0) &&
2463                     model->IsContainer(item) &&
2464                     !model->HasContainerColumns(item))
2465                     continue;      // skip it!
2466
2467                 wxVariant value;
2468                 model->GetValue( value, item, column->GetModelColumn() );
2469
2470                 wxDataViewRenderer *renderer =
2471                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2472                 renderer->SetValue( value );
2473                 height = wxMax( height, renderer->GetSize().y );
2474             }
2475
2476             start += height;
2477         }
2478
2479         return start;
2480     }
2481     else
2482     {
2483         return row * m_lineHeight;
2484     }
2485 }
2486
2487 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2488 {
2489     const wxDataViewModel *model = GetOwner()->GetModel();
2490
2491     // check for the easy case first
2492     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2493         return y / m_lineHeight;
2494
2495     // TODO make more efficient
2496     unsigned int row = 0;
2497     unsigned int yy = 0;
2498     for (;;)
2499     {
2500         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2501         if (!node)
2502         {
2503             // not really correct...
2504             return row + ((y-yy) / m_lineHeight);
2505         }
2506
2507         wxDataViewItem item = node->GetItem();
2508
2509         if (node && !node->HasChildren())
2510         {
2511             // Yes, if the node does not have any child, it must be a leaf which
2512             // mean that it is a temporarily created by GetTreeNodeByRow
2513             wxDELETE(node);
2514         }
2515
2516         unsigned int cols = GetOwner()->GetColumnCount();
2517         unsigned int col;
2518         int height = m_lineHeight;
2519         for (col = 0; col < cols; col++)
2520         {
2521             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2522             if (column->IsHidden())
2523                 continue;      // skip it!
2524
2525             if ((col != 0) &&
2526                 model->IsContainer(item) &&
2527                 !model->HasContainerColumns(item))
2528                 continue;      // skip it!
2529
2530             wxVariant value;
2531             model->GetValue( value, item, column->GetModelColumn() );
2532
2533             wxDataViewRenderer *renderer =
2534                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2535             renderer->SetValue( value );
2536             height = wxMax( height, renderer->GetSize().y );
2537         }
2538
2539         yy += height;
2540         if (y < yy)
2541             return row;
2542
2543         row++;
2544     }
2545 }
2546
2547 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2548 {
2549     const wxDataViewModel *model = GetOwner()->GetModel();
2550
2551     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2552     {
2553         wxASSERT( !IsVirtualList() );
2554
2555         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2556         // wxASSERT( node );
2557         if (!node) return m_lineHeight;
2558
2559         wxDataViewItem item = node->GetItem();
2560
2561         if (node && !node->HasChildren())
2562         {
2563                 // Yes, if the node does not have any child, it must be a leaf which
2564                 // mean that it is a temporarily created by GetTreeNodeByRow
2565             wxDELETE(node);
2566         }
2567
2568         int height = m_lineHeight;
2569
2570         unsigned int cols = GetOwner()->GetColumnCount();
2571         unsigned int col;
2572         for (col = 0; col < cols; col++)
2573         {
2574             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2575             if (column->IsHidden())
2576                 continue;      // skip it!
2577
2578             if ((col != 0) &&
2579                 model->IsContainer(item) &&
2580                 !model->HasContainerColumns(item))
2581                 continue;      // skip it!
2582
2583             wxVariant value;
2584             model->GetValue( value, item, column->GetModelColumn() );
2585
2586             wxDataViewRenderer *renderer =
2587                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2588             renderer->SetValue( value );
2589             height = wxMax( height, renderer->GetSize().y );
2590         }
2591
2592         return height;
2593     }
2594     else
2595     {
2596         return m_lineHeight;
2597     }
2598 }
2599
2600 class RowToItemJob: public DoJob
2601 {
2602 public:
2603     RowToItemJob( unsigned int row , int current )
2604         { this->row = row; this->current = current; }
2605     virtual ~RowToItemJob() {}
2606
2607     virtual int operator() ( wxDataViewTreeNode * node )
2608     {
2609         current ++;
2610         if( current == static_cast<int>(row))
2611         {
2612             ret = node->GetItem();
2613             return DoJob::OK;
2614         }
2615
2616         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2617         {
2618             current += node->GetSubTreeCount();
2619             return  DoJob::IGR;
2620         }
2621         else
2622         {
2623             // If the current has no child node, we can find the desired item of the row
2624             // number directly.
2625             // This if can speed up finding in some case, and will has a very good effect
2626             // when it comes to list view
2627             if( node->GetNodes().GetCount() == 0)
2628             {
2629                 int index = static_cast<int>(row) - current - 1;
2630                 ret = node->GetChildren().Item( index );
2631                 return DoJob::OK;
2632             }
2633             return DoJob::CONT;
2634         }
2635     }
2636
2637     virtual int operator() ( void * n )
2638     {
2639         current ++;
2640         if( current == static_cast<int>(row))
2641         {
2642             ret = wxDataViewItem( n );
2643             return DoJob::OK;
2644         }
2645         return DoJob::CONT;
2646     }
2647
2648     wxDataViewItem GetResult() const
2649         { return ret; }
2650
2651 private:
2652     unsigned int row;
2653     int current;
2654     wxDataViewItem ret;
2655 };
2656
2657 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2658 {
2659     if (IsVirtualList())
2660     {
2661         return wxDataViewItem( wxUIntToPtr(row+1) );
2662     }
2663     else
2664     {
2665         RowToItemJob job( row, -2 );
2666         Walker( m_root , job );
2667         return job.GetResult();
2668     }
2669 }
2670
2671 class RowToTreeNodeJob: public DoJob
2672 {
2673 public:
2674     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2675     {
2676         this->row = row;
2677         this->current = current;
2678         ret = NULL;
2679         parent = node;
2680     }
2681     virtual ~RowToTreeNodeJob(){ }
2682
2683     virtual int operator() ( wxDataViewTreeNode * node )
2684     {
2685         current ++;
2686         if( current == static_cast<int>(row))
2687         {
2688             ret = node;
2689             return DoJob::OK;
2690         }
2691
2692         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2693         {
2694             current += node->GetSubTreeCount();
2695             return  DoJob::IGR;
2696         }
2697         else
2698         {
2699             parent = node;
2700
2701             // If the current node has no children, we can find the desired item of the
2702             // row number directly.
2703             // This if can speed up finding in some case, and will have a very good
2704             // effect for list views.
2705             if( node->GetNodes().GetCount() == 0)
2706             {
2707                 int index = static_cast<int>(row) - current - 1;
2708                 void * n = node->GetChildren().Item( index );
2709                 ret = new wxDataViewTreeNode( parent );
2710                 ret->SetItem( wxDataViewItem( n ));
2711                 ret->SetHasChildren(false);
2712                 return DoJob::OK;
2713             }
2714             return DoJob::CONT;
2715         }
2716     }
2717
2718     virtual int operator() ( void * n )
2719     {
2720         current ++;
2721         if( current == static_cast<int>(row))
2722         {
2723             ret = new wxDataViewTreeNode( parent );
2724             ret->SetItem( wxDataViewItem( n ));
2725             ret->SetHasChildren(false);
2726             return DoJob::OK;
2727         }
2728
2729         return DoJob::CONT;
2730     }
2731
2732     wxDataViewTreeNode * GetResult() const
2733         { return ret; }
2734
2735 private:
2736     unsigned int row;
2737     int current;
2738     wxDataViewTreeNode * ret;
2739     wxDataViewTreeNode * parent;
2740 };
2741
2742 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2743 {
2744     wxASSERT( !IsVirtualList() );
2745
2746     RowToTreeNodeJob job( row , -2, m_root );
2747     Walker( m_root , job );
2748     return job.GetResult();
2749 }
2750
2751 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2752                                                          const wxDataViewItem & item )
2753 {
2754     wxWindow *parent = GetParent();
2755     wxDataViewEvent le(type, parent->GetId());
2756
2757     le.SetEventObject(parent);
2758     le.SetModel(GetOwner()->GetModel());
2759     le.SetItem( item );
2760
2761     parent->GetEventHandler()->ProcessEvent(le);
2762     return le;
2763 }
2764
2765 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2766 {
2767     if (IsVirtualList())
2768         return false;
2769
2770     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2771     if (!node)
2772         return false;
2773
2774     if (!node->HasChildren())
2775     {
2776         delete node;
2777         return false;
2778     }
2779
2780     return node->IsOpen();
2781 }
2782
2783 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2784 {
2785     if (IsVirtualList())
2786         return false;
2787
2788     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2789     if (!node)
2790         return false;
2791
2792     if (!node->HasChildren())
2793     {
2794         delete node;
2795         return false;
2796     }
2797
2798     return true;
2799 }
2800
2801 void wxDataViewMainWindow::Expand( unsigned int row )
2802 {
2803     if (IsVirtualList())
2804         return;
2805
2806     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2807     if (!node)
2808         return;
2809
2810     if (!node->HasChildren())
2811     {
2812         delete node;
2813         return;
2814     }
2815
2816             if (!node->IsOpen())
2817             {
2818                 wxDataViewEvent e =
2819                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2820
2821                 // Check if the user prevent expanding
2822                 if( e.GetSkipped() )
2823                     return;
2824
2825                 node->ToggleOpen();
2826
2827                 // build the children of current node
2828                 if( node->GetChildrenNumber() == 0 )
2829                 {
2830                     SortPrepare();
2831                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2832                 }
2833
2834                 // By expanding the node all row indices that are currently in the selection list
2835                 // and are greater than our node have become invalid. So we have to correct that now.
2836                 const unsigned rowAdjustment = node->GetSubTreeCount();
2837                 for(unsigned i=0; i<m_selection.size(); ++i)
2838                 {
2839                     const unsigned testRow = m_selection[i];
2840                     // all rows above us are not affected, so skip them
2841                     if(testRow <= row)
2842                         continue;
2843
2844                     m_selection[i] += rowAdjustment;
2845                 }
2846
2847                 if(m_currentRow > row)
2848                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2849
2850                 m_count = -1;
2851                 UpdateDisplay();
2852                 // Send the expanded event
2853                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2854             }
2855 }
2856
2857 void wxDataViewMainWindow::Collapse(unsigned int row)
2858 {
2859     if (IsVirtualList())
2860         return;
2861
2862     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2863     if (!node)
2864         return;
2865
2866     if (!node->HasChildren())
2867     {
2868         delete node;
2869         return;
2870     }
2871
2872         if (node->IsOpen())
2873         {
2874             wxDataViewEvent e =
2875                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2876             if( e.GetSkipped() )
2877                 return;
2878
2879             // Find out if there are selected items below the current node.
2880             bool selectCollapsingRow = false;
2881             const unsigned rowAdjustment = node->GetSubTreeCount();
2882             unsigned maxRowToBeTested = row + rowAdjustment;
2883             for(unsigned i=0; i<m_selection.size(); ++i)
2884             {
2885                 const unsigned testRow = m_selection[i];
2886                 if(testRow > row && testRow <= maxRowToBeTested)
2887                 {
2888                     selectCollapsingRow = true;
2889                     // get out as soon as we have found a node that is selected
2890                     break;
2891                 }
2892             }
2893
2894             node->ToggleOpen();
2895
2896             // If the node to be closed has selected items the user won't see those any longer.
2897             // We select the collapsing node in this case.
2898             if(selectCollapsingRow)
2899             {
2900                 SelectAllRows(false);
2901                 ChangeCurrentRow(row);
2902                 SelectRow(row, true);
2903                 SendSelectionChangedEvent(GetItemByRow(row));
2904             }
2905             else
2906             {
2907                 // if there were no selected items below our node we still need to "fix" the
2908                 // selection list to adjust for the changing of the row indices.
2909                 // We actually do the opposite of what we are doing in Expand().
2910                 for(unsigned i=0; i<m_selection.size(); ++i)
2911                 {
2912                     const unsigned testRow = m_selection[i];
2913                     // all rows above us are not affected, so skip them
2914                     if(testRow <= row)
2915                         continue;
2916
2917                     m_selection[i] -= rowAdjustment;
2918                 }
2919
2920                 // if the "current row" is being collapsed away we change it to the current row ;-)
2921                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2922                     ChangeCurrentRow(row);
2923                 else if(m_currentRow > row)
2924                     ChangeCurrentRow(m_currentRow - rowAdjustment);
2925             }
2926
2927             m_count = -1;
2928             UpdateDisplay();
2929             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
2930         }
2931 }
2932
2933 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2934 {
2935     wxDataViewModel * model = GetOwner()->GetModel();
2936     if( model == NULL )
2937         return NULL;
2938
2939     if (!item.IsOk())
2940         return m_root;
2941
2942     // Compose the a parent-chain of the finding item
2943     ItemList list;
2944     list.DeleteContents( true );
2945     wxDataViewItem it( item );
2946     while( it.IsOk() )
2947     {
2948         wxDataViewItem * pItem = new wxDataViewItem( it );
2949         list.Insert( pItem );
2950         it = model->GetParent( it );
2951     }
2952
2953     // Find the item along the parent-chain.
2954     // This algorithm is designed to speed up the node-finding method
2955     wxDataViewTreeNode * node = m_root;
2956     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2957     {
2958         if( node->HasChildren() )
2959         {
2960             if( node->GetChildrenNumber() == 0 )
2961             {
2962                 SortPrepare();
2963                 ::BuildTreeHelper(model, node->GetItem(), node);
2964             }
2965
2966             wxDataViewTreeNodes nodes = node->GetNodes();
2967             unsigned int i;
2968             bool found = false;
2969
2970             for (i = 0; i < nodes.GetCount(); i ++)
2971             {
2972                 if (nodes[i]->GetItem() == (**iter))
2973                 {
2974                     if (nodes[i]->GetItem() == item)
2975                     return nodes[i];
2976
2977                     node = nodes[i];
2978                     found = true;
2979                     break;
2980                 }
2981             }
2982             if (!found)
2983                 return NULL;
2984         }
2985         else
2986             return NULL;
2987     }
2988     return NULL;
2989 }
2990
2991 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
2992                                     wxDataViewColumn* &column )
2993 {
2994     wxDataViewColumn *col = NULL;
2995     unsigned int cols = GetOwner()->GetColumnCount();
2996     unsigned int colnum = 0;
2997     int x, y;
2998     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2999     for (unsigned x_start = 0; colnum < cols; colnum++)
3000     {
3001         col = GetOwner()->GetColumnAt(colnum);
3002         if (col->IsHidden())
3003             continue;      // skip it!
3004
3005         unsigned int w = col->GetWidth();
3006         if (x_start+w >= (unsigned int)x)
3007             break;
3008
3009         x_start += w;
3010     }
3011
3012     column = col;
3013     item = GetItemByRow( GetLineAt( y ) );
3014 }
3015
3016 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3017                                           const wxDataViewColumn* column )
3018 {
3019     int xpos = 0;
3020     int width = 0;
3021
3022     unsigned int cols = GetOwner()->GetColumnCount();
3023     // If column is null the loop will compute the combined width of all columns.
3024     // Otherwise, it will compute the x position of the column we are looking for.
3025     for (unsigned int i = 0; i < cols; i++)
3026     {
3027         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3028
3029         if (col == column)
3030             break;
3031
3032         if (col->IsHidden())
3033             continue;      // skip it!
3034
3035         xpos += col->GetWidth();
3036         width += col->GetWidth();
3037     }
3038
3039     if(column != 0)
3040     {
3041         // If we have a column, we need can get its width directly.
3042         if(column->IsHidden())
3043             width = 0;
3044         else
3045             width = column->GetWidth();
3046
3047     }
3048     else
3049     {
3050         // If we have no column, we reset the x position back to zero.
3051         xpos = 0;
3052     }
3053
3054     // we have to take an expander column into account and compute its indentation
3055     // to get the correct x position where the actual text is
3056     int indent = 0;
3057     int row = GetRowByItem(item);
3058     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3059     {
3060         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3061         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3062         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3063
3064         if(!node->HasChildren())
3065             delete node;
3066     }
3067
3068     wxRect itemRect( xpos + indent,
3069                      GetLineStart( row ),
3070                      width - indent,
3071                      GetLineHeight( row ) );
3072
3073     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3074                                       &itemRect.x, &itemRect.y );
3075
3076     return itemRect;
3077 }
3078
3079 int wxDataViewMainWindow::RecalculateCount()
3080 {
3081     if (IsVirtualList())
3082     {
3083         wxDataViewVirtualListModel *list_model =
3084             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3085
3086         return list_model->GetCount();
3087     }
3088     else
3089     {
3090         return m_root->GetSubTreeCount();
3091     }
3092 }
3093
3094 class ItemToRowJob : public DoJob
3095 {
3096 public:
3097     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3098         : m_iter(iter),
3099         item(item_)
3100     {
3101         ret = -1;
3102     }
3103
3104     // Maybe binary search will help to speed up this process
3105     virtual int operator() ( wxDataViewTreeNode * node)
3106     {
3107         ret ++;
3108         if( node->GetItem() == item )
3109         {
3110             return DoJob::OK;
3111         }
3112
3113         if( node->GetItem() == **m_iter )
3114         {
3115             m_iter++;
3116             return DoJob::CONT;
3117         }
3118         else
3119         {
3120             ret += node->GetSubTreeCount();
3121             return DoJob::IGR;
3122         }
3123
3124     }
3125
3126     virtual int operator() ( void * n )
3127     {
3128         ret ++;
3129         if( n == item.GetID() )
3130             return DoJob::OK;
3131         return DoJob::CONT;
3132     }
3133
3134     // the row number is begin from zero
3135     int GetResult() const
3136         { return ret -1; }
3137
3138 private:
3139     ItemList::const_iterator  m_iter;
3140     wxDataViewItem item;
3141     int ret;
3142
3143 };
3144
3145 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3146 {
3147     const wxDataViewModel * model = GetOwner()->GetModel();
3148     if( model == NULL )
3149         return -1;
3150
3151     if (IsVirtualList())
3152     {
3153         return wxPtrToUInt( item.GetID() ) -1;
3154     }
3155     else
3156     {
3157         if( !item.IsOk() )
3158             return -1;
3159
3160         // Compose the a parent-chain of the finding item
3161         ItemList list;
3162         wxDataViewItem * pItem;
3163         list.DeleteContents( true );
3164         wxDataViewItem it( item );
3165         while( it.IsOk() )
3166         {
3167             pItem = new wxDataViewItem( it );
3168             list.Insert( pItem );
3169             it = model->GetParent( it );
3170         }
3171         pItem = new wxDataViewItem( );
3172         list.Insert( pItem );
3173
3174         ItemToRowJob job( item, list.begin() );
3175         Walker(m_root , job );
3176         return job.GetResult();
3177     }
3178 }
3179
3180 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3181                              wxDataViewTreeNode * node)
3182 {
3183     if( !model->IsContainer( item ) )
3184         return;
3185
3186     wxDataViewItemArray children;
3187     unsigned int num = model->GetChildren( item, children);
3188
3189     unsigned int index = 0;
3190     while( index < num )
3191     {
3192         if( model->IsContainer( children[index] ) )
3193         {
3194             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3195             n->SetItem(children[index]);
3196             n->SetHasChildren( true );
3197             node->AddNode( n );
3198         }
3199         else
3200         {
3201             node->AddLeaf( children[index].GetID() );
3202         }
3203         index ++;
3204     }
3205     node->SetSubTreeCount( num );
3206     wxDataViewTreeNode * n = node->GetParent();
3207     if( n != NULL)
3208         n->ChangeSubTreeCount(num);
3209
3210 }
3211
3212 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3213 {
3214     DestroyTree();
3215
3216     if (GetOwner()->GetModel()->IsVirtualListModel())
3217     {
3218         m_count = -1;
3219         return;
3220     }
3221
3222     m_root = new wxDataViewTreeNode( NULL );
3223     m_root->SetHasChildren(true);
3224
3225     // First we define a invalid item to fetch the top-level elements
3226     wxDataViewItem item;
3227     SortPrepare();
3228     BuildTreeHelper( model, item, m_root);
3229     m_count = -1;
3230 }
3231
3232 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3233 {
3234     if( node->GetNodeNumber() != 0 )
3235     {
3236         int len = node->GetNodeNumber();
3237         wxDataViewTreeNodes& nodes = node->GetNodes();
3238         for (int i = 0; i < len; i++)
3239             DestroyTreeHelper(nodes[i]);
3240     }
3241     delete node;
3242 }
3243
3244 void wxDataViewMainWindow::DestroyTree()
3245 {
3246     if (!IsVirtualList())
3247     {
3248         ::DestroyTreeHelper(m_root);
3249             m_count = 0;
3250             m_root = NULL;
3251     }
3252 }
3253
3254 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3255 {
3256     if ( GetParent()->HandleAsNavigationKey(event) )
3257         return;
3258
3259     // no item -> nothing to do
3260     if (!HasCurrentRow())
3261     {
3262         event.Skip();
3263         return;
3264     }
3265
3266     // don't use m_linesPerPage directly as it might not be computed yet
3267     const int pageSize = GetCountPerPage();
3268     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3269
3270     switch ( event.GetKeyCode() )
3271     {
3272         case WXK_RETURN:
3273             {
3274                 wxWindow *parent = GetParent();
3275                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3276                                    parent->GetId());
3277                 le.SetItem( GetItemByRow(m_currentRow) );
3278                 le.SetEventObject(parent);
3279                 le.SetModel(GetOwner()->GetModel());
3280
3281                 parent->GetEventHandler()->ProcessEvent(le);
3282             }
3283             break;
3284
3285         case WXK_UP:
3286             if ( m_currentRow > 0 )
3287                 OnArrowChar( m_currentRow - 1, event );
3288             break;
3289
3290         case WXK_DOWN:
3291             if ( m_currentRow < GetRowCount() - 1 )
3292                 OnArrowChar( m_currentRow + 1, event );
3293             break;
3294         // Add the process for tree expanding/collapsing
3295         case WXK_LEFT:
3296         {
3297             if (IsVirtualList())
3298                break;
3299
3300             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3301             if (!node)
3302                 break;
3303
3304             if (node->HasChildren() && node->IsOpen())
3305             {
3306                 Collapse(m_currentRow);
3307             }
3308             else    // if the node is already closed we move the selection to its parent
3309             {
3310                 wxDataViewTreeNode *parent_node = node->GetParent();
3311
3312                 if(!node->HasChildren())
3313                     delete node;
3314
3315                 if (parent_node)
3316                 {
3317                     int parent = GetRowByItem( parent_node->GetItem() );
3318                     if ( parent >= 0 )
3319                     {
3320                         unsigned int row = m_currentRow;
3321                         SelectRow( row, false);
3322                         SelectRow( parent, true );
3323                         ChangeCurrentRow( parent );
3324                         GetOwner()->EnsureVisible( parent, -1 );
3325                         SendSelectionChangedEvent( parent_node->GetItem() );
3326                     }
3327                 }
3328             }
3329             break;
3330         }
3331         case WXK_RIGHT:
3332         {
3333             if (!IsExpanded( m_currentRow ))
3334                 Expand( m_currentRow );
3335             else
3336             {
3337                 unsigned int row = m_currentRow;
3338                 SelectRow( row, false );
3339                 SelectRow( row + 1, true );
3340                 ChangeCurrentRow( row + 1 );
3341                 GetOwner()->EnsureVisible( row + 1, -1 );
3342                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3343             }
3344             break;
3345         }
3346         case WXK_END:
3347         {
3348             if (!IsEmpty())
3349                 OnArrowChar( GetRowCount() - 1, event );
3350             break;
3351         }
3352         case WXK_HOME:
3353             if (!IsEmpty())
3354                 OnArrowChar( 0, event );
3355             break;
3356
3357         case WXK_PAGEUP:
3358             {
3359                 int steps = pageSize - 1;
3360                 int index = m_currentRow - steps;
3361                 if (index < 0)
3362                     index = 0;
3363
3364                 OnArrowChar( index, event );
3365             }
3366             break;
3367
3368         case WXK_PAGEDOWN:
3369             {
3370                 int steps = pageSize - 1;
3371                 unsigned int index = m_currentRow + steps;
3372                 unsigned int count = GetRowCount();
3373                 if ( index >= count )
3374                     index = count - 1;
3375
3376                 OnArrowChar( index, event );
3377             }
3378             break;
3379
3380         case WXK_F2:
3381             {
3382                 if(m_selection.size() == 1)
3383                 {
3384                     // TODO: we need to revise that when we have a concept for a 'current column'
3385                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3386                 }
3387             }
3388             break;
3389
3390         default:
3391             event.Skip();
3392     }
3393 }
3394
3395 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3396 {
3397     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3398     {
3399         // let the base handle mouse wheel events.
3400         event.Skip();
3401         return;
3402     }
3403
3404     int x = event.GetX();
3405     int y = event.GetY();
3406     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3407     wxDataViewColumn *col = NULL;
3408
3409     int xpos = 0;
3410     unsigned int cols = GetOwner()->GetColumnCount();
3411     unsigned int i;
3412     for (i = 0; i < cols; i++)
3413     {
3414         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3415         if (c->IsHidden())
3416             continue;      // skip it!
3417
3418         if (x < xpos + c->GetWidth())
3419         {
3420             col = c;
3421             break;
3422         }
3423         xpos += c->GetWidth();
3424     }
3425     if (!col)
3426         return;
3427
3428     wxDataViewRenderer *cell = col->GetRenderer();
3429     unsigned int current = GetLineAt( y );
3430     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3431     {
3432         // Unselect all if below the last row ?
3433         return;
3434     }
3435
3436     // Test whether the mouse is hovered on the tree item button
3437     bool hoverOverExpander = false;
3438     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3439     {
3440         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3441         if( node!=NULL && node->HasChildren() )
3442         {
3443             int indent = node->GetIndentLevel();
3444             indent = GetOwner()->GetIndent()*indent;
3445
3446             // we make the rectangle we are looking in a bit bigger than the actual
3447             // visual expander so the user can hit that little thing reliably
3448             wxRect rect( xpos + indent,
3449                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3450                         m_lineHeight, m_lineHeight);
3451             if( rect.Contains(x, y) )
3452             {
3453                 // So the mouse is over the expander
3454                 hoverOverExpander = true;
3455                 if (m_underMouse && m_underMouse != node)
3456                 {
3457                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3458                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3459                 }
3460                 if (m_underMouse != node)
3461                 {
3462                     // wxLogMessage("Do the row: %d", current);
3463                     RefreshRow(current);
3464                 }
3465                 m_underMouse = node;
3466             }
3467         }
3468         if (node!=NULL && !node->HasChildren())
3469             delete node;
3470     }
3471     if (!hoverOverExpander)
3472     {
3473         if (m_underMouse != NULL)
3474         {
3475             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3476             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3477             m_underMouse = NULL;
3478         }
3479     }
3480
3481     wxDataViewModel *model = GetOwner()->GetModel();
3482
3483 #if wxUSE_DRAG_AND_DROP
3484     if (event.Dragging())
3485     {
3486         if (m_dragCount == 0)
3487         {
3488             // we have to report the raw, physical coords as we want to be
3489             // able to call HitTest(event.m_pointDrag) from the user code to
3490             // get the item being dragged
3491             m_dragStart = event.GetPosition();
3492         }
3493
3494         m_dragCount++;
3495
3496         if (m_dragCount != 3)
3497             return;
3498
3499         if (event.LeftIsDown())
3500         {
3501             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3502                                              &m_dragStart.x, &m_dragStart.y );
3503             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3504             wxDataViewItem item = GetItemByRow( drag_item_row );
3505
3506             // Notify cell about drag
3507             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3508             event.SetEventObject( m_owner );
3509             event.SetItem( item );
3510             event.SetModel( model );
3511             if (!m_owner->HandleWindowEvent( event ))
3512                 return;
3513
3514             if (!event.IsAllowed())
3515                 return;
3516
3517             wxDataObject *obj = event.GetDataObject();
3518             if (!obj)
3519                 return;
3520
3521             wxDataViewDropSource drag( this, drag_item_row );
3522             drag.SetData( *obj );
3523             /* wxDragResult res = */ drag.DoDragDrop();
3524             delete obj;
3525         }
3526         return;
3527     }
3528     else
3529     {
3530         m_dragCount = 0;
3531     }
3532 #endif // wxUSE_DRAG_AND_DROP
3533
3534     bool simulateClick = false;
3535
3536     if (event.ButtonDClick())
3537     {
3538         m_renameTimer->Stop();
3539         m_lastOnSame = false;
3540     }
3541
3542     wxDataViewItem item = GetItemByRow(current);
3543     bool ignore_other_columns =
3544         ((GetOwner()->GetExpanderColumn() != col) &&
3545         (model->IsContainer(item)) &&
3546         (!model->HasContainerColumns(item)));
3547
3548     if (event.LeftDClick())
3549     {
3550         if(hoverOverExpander)
3551         {
3552             // a double click on the expander will be converted into a "simulated" normal click
3553             simulateClick = true;
3554         }
3555         else if ( current == m_lineLastClicked )
3556         {
3557             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3558             {
3559                 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3560                 {
3561                     wxVariant value;
3562                     model->GetValue( value, item, col->GetModelColumn() );
3563                     custom->SetValue( value );
3564                     wxRect cell_rect( xpos, GetLineStart( current ),
3565                                     col->GetWidth(), GetLineHeight( current ) );
3566                     custom->Activate( cell_rect, model, item, col->GetModelColumn() );
3567                 }
3568             }
3569             else
3570             {
3571                 wxWindow *parent = GetParent();
3572                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3573                 le.SetItem( item );
3574                 le.SetEventObject(parent);
3575                 le.SetModel(GetOwner()->GetModel());
3576
3577                 parent->GetEventHandler()->ProcessEvent(le);
3578             }
3579             return;
3580         }
3581         else
3582         {
3583             // The first click was on another item, so don't interpret this as
3584             // a double click, but as a simple click instead
3585             simulateClick = true;
3586         }
3587     }
3588
3589     if (event.LeftUp() && !hoverOverExpander)
3590     {
3591         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3592         {
3593             // select single line
3594             SelectAllRows( false );
3595             SelectRow( m_lineSelectSingleOnUp, true );
3596             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3597         }
3598
3599         // If the user click the expander, we do not do editing even if the column
3600         // with expander are editable
3601         if (m_lastOnSame && !ignore_other_columns)
3602         {
3603             if ((col == m_currentCol) && (current == m_currentRow) &&
3604                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3605             {
3606                 m_renameTimer->Start( 100, true );
3607             }
3608         }
3609
3610         m_lastOnSame = false;
3611         m_lineSelectSingleOnUp = (unsigned int)-1;
3612     }
3613     else if(!event.LeftUp())
3614     {
3615         // This is necessary, because after a DnD operation in
3616         // from and to ourself, the up event is swallowed by the
3617         // DnD code. So on next non-up event (which means here and
3618         // now) m_lineSelectSingleOnUp should be reset.
3619         m_lineSelectSingleOnUp = (unsigned int)-1;
3620     }
3621
3622     if (event.RightDown())
3623     {
3624         m_lineBeforeLastClicked = m_lineLastClicked;
3625         m_lineLastClicked = current;
3626
3627         // If the item is already selected, do not update the selection.
3628         // Multi-selections should not be cleared if a selected item is clicked.
3629         if (!IsRowSelected(current))
3630         {
3631             SelectAllRows(false);
3632             ChangeCurrentRow(current);
3633             SelectRow(m_currentRow,true);
3634             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3635         }
3636     }
3637     else if (event.RightUp())
3638     {
3639         wxVariant value;
3640         model->GetValue( value, item, col->GetModelColumn() );
3641         wxWindow *parent = GetParent();
3642         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3643         le.SetItem( item );
3644         le.SetEventObject(parent);
3645         le.SetModel(GetOwner()->GetModel());
3646         le.SetValue(value);
3647         parent->GetEventHandler()->ProcessEvent(le);
3648     }
3649     else if (event.MiddleDown())
3650     {
3651     }
3652
3653     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3654     {
3655         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3656
3657         // hoverOverExpander being true tells us that our node must be
3658         // valid and have children.
3659         // So we don't need any extra checks.
3660         if( node->IsOpen() )
3661             Collapse(current);
3662         else
3663             Expand(current);
3664     }
3665     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3666     {
3667         SetFocus();
3668
3669         m_lineBeforeLastClicked = m_lineLastClicked;
3670         m_lineLastClicked = current;
3671
3672         unsigned int oldCurrentRow = m_currentRow;
3673         bool oldWasSelected = IsRowSelected(m_currentRow);
3674
3675         bool cmdModifierDown = event.CmdDown();
3676         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3677         {
3678             if ( IsSingleSel() || !IsRowSelected(current) )
3679             {
3680                 SelectAllRows( false );
3681                 ChangeCurrentRow(current);
3682                 SelectRow(m_currentRow,true);
3683                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3684             }
3685             else // multi sel & current is highlighted & no mod keys
3686             {
3687                 m_lineSelectSingleOnUp = current;
3688                 ChangeCurrentRow(current); // change focus
3689             }
3690         }
3691         else // multi sel & either ctrl or shift is down
3692         {
3693             if (cmdModifierDown)
3694             {
3695                 ChangeCurrentRow(current);
3696                 ReverseRowSelection(m_currentRow);
3697                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3698             }
3699             else if (event.ShiftDown())
3700             {
3701                 ChangeCurrentRow(current);
3702
3703                 unsigned int lineFrom = oldCurrentRow,
3704                     lineTo = current;
3705
3706                 if ( lineTo < lineFrom )
3707                 {
3708                     lineTo = lineFrom;
3709                     lineFrom = m_currentRow;
3710                 }
3711
3712                 SelectRows(lineFrom, lineTo, true);
3713                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3714             }
3715             else // !ctrl, !shift
3716             {
3717                 // test in the enclosing if should make it impossible
3718                 wxFAIL_MSG( wxT("how did we get here?") );
3719             }
3720         }
3721
3722         if (m_currentRow != oldCurrentRow)
3723             RefreshRow( oldCurrentRow );
3724
3725         wxDataViewColumn *oldCurrentCol = m_currentCol;
3726
3727         // Update selection here...
3728         m_currentCol = col;
3729
3730         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3731                         (current == oldCurrentRow)) && oldWasSelected;
3732
3733         // Call LeftClick after everything else as under GTK+
3734         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3735         {
3736             if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3737             {
3738                 // notify cell about click
3739                 wxVariant value;
3740                 model->GetValue( value, item, col->GetModelColumn() );
3741                 custom->SetValue( value );
3742                 wxRect cell_rect( xpos, GetLineStart( current ),
3743                                   col->GetWidth(), GetLineHeight( current ) );
3744                  /* ignore ret */ custom->LeftClick( event.GetPosition(), cell_rect,
3745                                   model, item, col->GetModelColumn());
3746             }
3747         }
3748     }
3749 }
3750
3751 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3752 {
3753     m_hasFocus = true;
3754
3755     if (HasCurrentRow())
3756         Refresh();
3757
3758     event.Skip();
3759 }
3760
3761 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3762 {
3763     m_hasFocus = false;
3764
3765     if (HasCurrentRow())
3766         Refresh();
3767
3768     event.Skip();
3769 }
3770
3771 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3772 {
3773     if( m_selection.GetCount() != 1 )
3774         return wxDataViewItem();
3775
3776     return GetItemByRow( m_selection.Item(0));
3777 }
3778
3779 //-----------------------------------------------------------------------------
3780 // wxDataViewCtrl
3781 //-----------------------------------------------------------------------------
3782
3783 WX_DEFINE_LIST(wxDataViewColumnList)
3784
3785 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3786 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3787     EVT_SIZE(wxDataViewCtrl::OnSize)
3788 END_EVENT_TABLE()
3789
3790 wxDataViewCtrl::~wxDataViewCtrl()
3791 {
3792     if (m_notifier)
3793         GetModel()->RemoveNotifier( m_notifier );
3794
3795     m_cols.Clear();
3796 }
3797
3798 void wxDataViewCtrl::Init()
3799 {
3800     m_cols.DeleteContents(true);
3801     m_notifier = NULL;
3802
3803     // No sorting column at start
3804     m_sortingColumnIdx = wxNOT_FOUND;
3805
3806     m_headerArea = NULL;
3807 }
3808
3809 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3810                             const wxPoint& pos, const wxSize& size,
3811                             long style, const wxValidator& validator )
3812 {
3813 //    if ( (style & wxBORDER_MASK) == 0)
3814 //        style |= wxBORDER_SUNKEN;
3815
3816     Init();
3817
3818     if (!wxControl::Create( parent, id, pos, size,
3819                             style | wxScrolledWindowStyle, validator))
3820         return false;
3821
3822     SetInitialSize(size);
3823
3824 #ifdef __WXMAC__
3825     MacSetClipChildren( true );
3826 #endif
3827
3828     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3829
3830     if (HasFlag(wxDV_NO_HEADER))
3831         m_headerArea = NULL;
3832     else
3833         m_headerArea = new wxDataViewHeaderWindow(this);
3834
3835     SetTargetWindow( m_clientArea );
3836
3837     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3838     if (m_headerArea)
3839         sizer->Add( m_headerArea, 0, wxGROW );
3840     sizer->Add( m_clientArea, 1, wxGROW );
3841     SetSizer( sizer );
3842
3843     return true;
3844 }
3845
3846 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3847 {
3848     return wxBORDER_THEME;
3849 }
3850
3851 #ifdef __WXMSW__
3852 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3853                                         WXWPARAM wParam,
3854                                         WXLPARAM lParam)
3855 {
3856     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3857
3858 #ifndef __WXWINCE__
3859     // we need to process arrows ourselves for scrolling
3860     if ( nMsg == WM_GETDLGCODE )
3861     {
3862         rc |= DLGC_WANTARROWS;
3863     }
3864 #endif
3865
3866     return rc;
3867 }
3868 #endif
3869
3870 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3871 {
3872     wxSize newsize = size;
3873     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3874     newsize.y -= m_headerArea->GetSize().y;
3875
3876     return newsize;
3877 }
3878
3879 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3880 {
3881     // We need to override OnSize so that our scrolled
3882     // window a) does call Layout() to use sizers for
3883     // positioning the controls but b) does not query
3884     // the sizer for their size and use that for setting
3885     // the scrollable area as set that ourselves by
3886     // calling SetScrollbar() further down.
3887
3888     Layout();
3889
3890     AdjustScrollbars();
3891 }
3892
3893 void wxDataViewCtrl::SetFocus()
3894 {
3895     if (m_clientArea)
3896         m_clientArea->SetFocus();
3897 }
3898
3899 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3900 {
3901     if (!wxDataViewCtrlBase::AssociateModel( model ))
3902         return false;
3903
3904     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3905
3906     model->AddNotifier( m_notifier );
3907
3908     m_clientArea->DestroyTree();
3909
3910     m_clientArea->BuildTree(model);
3911
3912     m_clientArea->UpdateDisplay();
3913
3914     return true;
3915 }
3916
3917 #if wxUSE_DRAG_AND_DROP
3918
3919 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3920 {
3921     return m_clientArea->EnableDragSource( format );
3922 }
3923
3924 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3925 {
3926     return m_clientArea->EnableDropTarget( format );
3927 }
3928
3929 #endif // wxUSE_DRAG_AND_DROP
3930
3931 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3932 {
3933     if (!wxDataViewCtrlBase::AppendColumn(col))
3934         return false;
3935
3936     m_cols.Append( col );
3937     OnColumnsCountChanged();
3938     return true;
3939 }
3940
3941 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3942 {
3943     if (!wxDataViewCtrlBase::PrependColumn(col))
3944         return false;
3945
3946     m_cols.Insert( col );
3947     OnColumnsCountChanged();
3948     return true;
3949 }
3950
3951 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3952 {
3953     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3954         return false;
3955
3956     m_cols.Insert( pos, col );
3957     OnColumnsCountChanged();
3958     return true;
3959 }
3960
3961 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3962 {
3963     if ( m_headerArea )
3964         m_headerArea->UpdateColumn(idx);
3965
3966     m_clientArea->UpdateDisplay();
3967 }
3968
3969 void wxDataViewCtrl::OnColumnsCountChanged()
3970 {
3971     if (m_headerArea)
3972         m_headerArea->SetColumnCount(GetColumnCount());
3973
3974     m_clientArea->UpdateDisplay();
3975 }
3976
3977 void wxDataViewCtrl::DoSetExpanderColumn()
3978 {
3979     m_clientArea->UpdateDisplay();
3980 }
3981
3982 void wxDataViewCtrl::DoSetIndent()
3983 {
3984     m_clientArea->UpdateDisplay();
3985 }
3986
3987 unsigned int wxDataViewCtrl::GetColumnCount() const
3988 {
3989     return m_cols.GetCount();
3990 }
3991
3992 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3993 {
3994     return m_cols[idx];
3995 }
3996
3997 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3998 {
3999     // columns can't be reordered if there is no header window which allows
4000     // to do this
4001     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4002                                     : pos;
4003
4004     return GetColumn(idx);
4005 }
4006
4007 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4008 {
4009     const unsigned count = m_cols.size();
4010     for ( unsigned n = 0; n < count; n++ )
4011     {
4012         if ( m_cols[n] == column )
4013             return n;
4014     }
4015
4016     return wxNOT_FOUND;
4017 }
4018
4019 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4020                                 unsigned int WXUNUSED(new_pos))
4021 {
4022     // do _not_ reorder m_cols elements here, they should always be in the
4023     // order in which columns were added, we only display the columns in
4024     // different order
4025     m_clientArea->UpdateDisplay();
4026 }
4027
4028 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4029 {
4030     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4031     if (!ret)
4032         return false;
4033
4034     m_cols.Erase(ret);
4035     OnColumnsCountChanged();
4036
4037     return true;
4038 }
4039
4040 bool wxDataViewCtrl::ClearColumns()
4041 {
4042     m_cols.Clear();
4043     OnColumnsCountChanged();
4044     return true;
4045 }
4046
4047 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4048 {
4049     int ret = 0,
4050         dummy = 0;
4051     unsigned int len = GetColumnCount();
4052     for ( unsigned int i = 0; i < len; i++ )
4053     {
4054         wxDataViewColumn * col = GetColumnAt(i);
4055         if (col->IsHidden())
4056             continue;
4057         ret += col->GetWidth();
4058         if (column==col)
4059         {
4060             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4061             break;
4062         }
4063     }
4064     return ret;
4065 }
4066
4067 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4068 {
4069     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4070                                             : GetColumn(m_sortingColumnIdx);
4071 }
4072
4073 // Selection code with wxDataViewItem as parameters
4074 wxDataViewItem wxDataViewCtrl::GetSelection() const
4075 {
4076     return m_clientArea->GetSelection();
4077 }
4078
4079 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4080 {
4081     sel.Empty();
4082     wxDataViewSelection selection = m_clientArea->GetSelections();
4083     int len = selection.GetCount();
4084     for( int i = 0; i < len; i ++)
4085     {
4086         unsigned int row = selection[i];
4087         sel.Add( m_clientArea->GetItemByRow( row ) );
4088     }
4089     return len;
4090 }
4091
4092 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4093 {
4094     wxDataViewSelection selection(wxDataViewSelectionCmp);
4095
4096     wxDataViewItem last_parent;
4097
4098     int len = sel.GetCount();
4099     for( int i = 0; i < len; i ++ )
4100     {
4101         wxDataViewItem item = sel[i];
4102         wxDataViewItem parent = GetModel()->GetParent( item );
4103         if (parent)
4104         {
4105             if (parent != last_parent)
4106                 ExpandAncestors(item);
4107         }
4108
4109         last_parent = parent;
4110         int row = m_clientArea->GetRowByItem( item );
4111         if( row >= 0 )
4112             selection.Add( static_cast<unsigned int>(row) );
4113     }
4114
4115     m_clientArea->SetSelections( selection );
4116 }
4117
4118 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4119 {
4120     ExpandAncestors( item );
4121
4122     int row = m_clientArea->GetRowByItem( item );
4123     if( row >= 0 )
4124     {
4125         // Unselect all rows before select another in the single select mode
4126         if (m_clientArea->IsSingleSel())
4127             m_clientArea->SelectAllRows(false);
4128
4129         m_clientArea->SelectRow(row, true);
4130
4131         // Also set focus to the selected item
4132         m_clientArea->ChangeCurrentRow( row );
4133     }
4134 }
4135
4136 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4137 {
4138     int row = m_clientArea->GetRowByItem( item );
4139     if( row >= 0 )
4140         m_clientArea->SelectRow(row, false);
4141 }
4142
4143 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4144 {
4145     int row = m_clientArea->GetRowByItem( item );
4146     if( row >= 0 )
4147     {
4148         return m_clientArea->IsRowSelected(row);
4149     }
4150     return false;
4151 }
4152
4153 // Selection code with row number as parameter
4154 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4155 {
4156     sel.Empty();
4157     wxDataViewSelection selection = m_clientArea->GetSelections();
4158     int len = selection.GetCount();
4159     for( int i = 0; i < len; i ++)
4160     {
4161         unsigned int row = selection[i];
4162         sel.Add( row );
4163     }
4164     return len;
4165 }
4166
4167 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4168 {
4169     wxDataViewSelection selection(wxDataViewSelectionCmp);
4170     int len = sel.GetCount();
4171     for( int i = 0; i < len; i ++ )
4172     {
4173         int row = sel[i];
4174         if( row >= 0 )
4175             selection.Add( static_cast<unsigned int>(row) );
4176     }
4177     m_clientArea->SetSelections( selection );
4178 }
4179
4180 void wxDataViewCtrl::Select( int row )
4181 {
4182     if( row >= 0 )
4183     {
4184         if (m_clientArea->IsSingleSel())
4185             m_clientArea->SelectAllRows(false);
4186         m_clientArea->SelectRow( row, true );
4187     }
4188 }
4189
4190 void wxDataViewCtrl::Unselect( int row )
4191 {
4192     if( row >= 0 )
4193         m_clientArea->SelectRow(row, false);
4194 }
4195
4196 bool wxDataViewCtrl::IsSelected( int row ) const
4197 {
4198     if( row >= 0 )
4199         return m_clientArea->IsRowSelected(row);
4200     return false;
4201 }
4202
4203 void wxDataViewCtrl::SelectRange( int from, int to )
4204 {
4205     wxArrayInt sel;
4206     for( int i = from; i < to; i ++ )
4207         sel.Add( i );
4208     m_clientArea->Select(sel);
4209 }
4210
4211 void wxDataViewCtrl::UnselectRange( int from, int to )
4212 {
4213     wxDataViewSelection sel = m_clientArea->GetSelections();
4214     for( int i = from; i < to; i ++ )
4215         if( sel.Index( i ) != wxNOT_FOUND )
4216             sel.Remove( i );
4217     m_clientArea->SetSelections(sel);
4218 }
4219
4220 void wxDataViewCtrl::SelectAll()
4221 {
4222     m_clientArea->SelectAllRows(true);
4223 }
4224
4225 void wxDataViewCtrl::UnselectAll()
4226 {
4227     m_clientArea->SelectAllRows(false);
4228 }
4229
4230 void wxDataViewCtrl::EnsureVisible( int row, int column )
4231 {
4232     if( row < 0 )
4233         row = 0;
4234     if( row > (int) m_clientArea->GetRowCount() )
4235         row = m_clientArea->GetRowCount();
4236
4237     int first = m_clientArea->GetFirstVisibleRow();
4238     int last = m_clientArea->GetLastVisibleRow();
4239     if( row < first )
4240         m_clientArea->ScrollTo( row, column );
4241     else if( row > last )
4242         m_clientArea->ScrollTo( row - last + first, column );
4243     else
4244         m_clientArea->ScrollTo( first, column );
4245 }
4246
4247 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4248 {
4249     ExpandAncestors( item );
4250
4251     m_clientArea->RecalculateDisplay();
4252
4253     int row = m_clientArea->GetRowByItem(item);
4254     if( row >= 0 )
4255     {
4256         if( column == NULL )
4257             EnsureVisible(row, -1);
4258         else
4259             EnsureVisible( row, GetColumnIndex(column) );
4260     }
4261
4262 }
4263
4264 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4265                               wxDataViewColumn* &column ) const
4266 {
4267     m_clientArea->HitTest(point, item, column);
4268 }
4269
4270 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4271                                     const wxDataViewColumn* column ) const
4272 {
4273     return m_clientArea->GetItemRect(item, column);
4274 }
4275
4276 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4277 {
4278     return m_clientArea->GetItemByRow( row );
4279 }
4280
4281 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4282 {
4283     return m_clientArea->GetRowByItem( item );
4284 }
4285
4286 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4287 {
4288     int row = m_clientArea->GetRowByItem( item );
4289     if (row != -1)
4290         m_clientArea->Expand(row);
4291 }
4292
4293 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4294 {
4295     int row = m_clientArea->GetRowByItem( item );
4296     if (row != -1)
4297         m_clientArea->Collapse(row);
4298 }
4299
4300 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4301 {
4302     int row = m_clientArea->GetRowByItem( item );
4303     if (row != -1)
4304         return m_clientArea->IsExpanded(row);
4305     return false;
4306 }
4307
4308 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4309 {
4310     wxDataViewColumn* col = GetColumn( column );
4311     if (!col)
4312         return;
4313
4314     wxRect itemRect = GetItemRect(item, col);
4315     wxDataViewRenderer* renderer = col->GetRenderer();
4316     renderer->StartEditing(item, itemRect);
4317 }
4318
4319 #endif // !wxUSE_GENERICDATAVIEWCTRL
4320
4321 #endif // wxUSE_DATAVIEWCTRL