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 implements, both the leaf nodes and the nodes are sorted for fast search when needed
  74 static wxDataViewModel * g_model;
  75 static int g_column = -2;
  76 static bool g_asending = true;
  77
  78 //-----------------------------------------------------------------------------
  79 // wxDataViewHeaderWindow
  80 //-----------------------------------------------------------------------------
  81
  82 class wxDataViewHeaderWindow : public wxHeaderCtrl
  83 {
  84 public:
  85     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  86         : wxHeaderCtrl(parent)
  87     {
  88     }
  89
  90     wxDataViewCtrl *GetOwner() const
  91         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  92
  93 protected:
  94     // implement/override wxHeaderCtrl functions by forwarding them to the main
  95     // control
  96     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  97     {
  98         return *(GetOwner()->GetColumn(idx));
  99     }
 100
 101     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 102     {
 103         wxDataViewCtrl * const owner = GetOwner();
 104
 105         int widthContents = owner->GetBestColumnWidth(idx);
 106         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 107         owner->OnColumnChange(idx);
 108
 109         return true;
 110     }
 111
 112 private:
 113     bool SendEvent(wxEventType type, unsigned int n)
 114     {
 115         wxDataViewCtrl * const owner = GetOwner();
 116         wxDataViewEvent event(type, owner->GetId());
 117
 118         event.SetEventObject(owner);
 119         event.SetColumn(n);
 120         event.SetDataViewColumn(owner->GetColumn(n));
 121         event.SetModel(owner->GetModel());
 122
 123         // for events created by wxDataViewHeaderWindow the
 124         // row / value fields are not valid
 125         return owner->GetEventHandler()->ProcessEvent(event);
 126     }
 127
 128     void OnClick(wxHeaderCtrlEvent& event)
 129     {
 130         const unsigned idx = event.GetColumn();
 131
 132         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 133             return;
 134
 135         // default handling for the column click is to sort by this column or
 136         // toggle its sort order
 137         wxDataViewCtrl * const owner = GetOwner();
 138         wxDataViewColumn * const col = owner->GetColumn(idx);
 139         if ( !col->IsSortable() )
 140         {
 141             // no default handling for non-sortable columns
 142             event.Skip();
 143             return;
 144         }
 145
 146         if ( col->IsSortKey() )
 147         {
 148             // already using this column for sorting, just change the order
 149             col->ToggleSortOrder();
 150         }
 151         else // not using this column for sorting yet
 152         {
 153             // first unset the old sort column if any
 154             int oldSortKey = owner->GetSortingColumnIndex();
 155             if ( oldSortKey != wxNOT_FOUND )
 156             {
 157                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 158                 owner->OnColumnChange(oldSortKey);
 159             }
 160
 161             owner->SetSortingColumnIndex(idx);
 162             col->SetAsSortKey();
 163         }
 164
 165         wxDataViewModel * const model = owner->GetModel();
 166         if ( model )
 167             model->Resort();
 168
 169         owner->OnColumnChange(idx);
 170     }
 171
 172     void OnRClick(wxHeaderCtrlEvent& event)
 173     {
 174         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 175                         event.GetColumn()) )
 176             event.Skip();
 177     }
 178
 179     void OnEndResize(wxHeaderCtrlEvent& event)
 180     {
 181         wxDataViewCtrl * const owner = GetOwner();
 182
 183         const unsigned col = event.GetColumn();
 184         owner->GetColumn(col)->SetWidth(event.GetWidth());
 185         GetOwner()->OnColumnChange(col);
 186     }
 187
 188     void OnEndReorder(wxHeaderCtrlEvent& event)
 189     {
 190         wxDataViewCtrl * const owner = GetOwner();
 191         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 192                         event.GetNewOrder());
 193     }
 194
 195     DECLARE_EVENT_TABLE()
 196     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 197 };
 198
 199 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 200     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 201     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 202
 203     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnEndResize)
 204
 205     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 206 END_EVENT_TABLE()
 207
 208 //-----------------------------------------------------------------------------
 209 // wxDataViewRenameTimer
 210 //-----------------------------------------------------------------------------
 211
 212 class wxDataViewRenameTimer: public wxTimer
 213 {
 214 private:
 215     wxDataViewMainWindow *m_owner;
 216
 217 public:
 218     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 219     void Notify();
 220 };
 221
 222 //-----------------------------------------------------------------------------
 223 // wxDataViewTreeNode
 224 //-----------------------------------------------------------------------------
 225 class wxDataViewTreeNode;
 226 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 227 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 228
 229 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
 230 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 231
 232 class wxDataViewTreeNode
 233 {
 234 public:
 235     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 236     {
 237         m_parent = parent;
 238         if (!parent)
 239             m_open = true;
 240         else
 241             m_open = false;
 242         m_hasChildren = false;
 243         m_subTreeCount  = 0;
 244     }
 245
 246     ~wxDataViewTreeNode()
 247     {
 248     }
 249
 250     wxDataViewTreeNode * GetParent() const { return m_parent; }
 251     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 252     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 253     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 254
 255     void AddNode( wxDataViewTreeNode * node )
 256     {
 257         m_leaves.Add( node->GetItem().GetID() );
 258         if (g_column >= -1)
 259             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 260         m_nodes.Add( node );
 261         if (g_column >= -1)
 262             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 263     }
 264     void AddLeaf( void * leaf )
 265     {
 266         m_leaves.Add( leaf );
 267         if (g_column >= -1)
 268             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 269     }
 270
 271     wxDataViewItem & GetItem() { return m_item; }
 272     const wxDataViewItem & GetItem() const { return m_item; }
 273     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 274
 275     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 276     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 277     int GetIndentLevel() const
 278     {
 279         int ret = 0;
 280         const wxDataViewTreeNode * node = this;
 281         while( node->GetParent()->GetParent() != NULL )
 282         {
 283             node = node->GetParent();
 284             ret ++;
 285         }
 286         return ret;
 287     }
 288
 289     bool IsOpen() const
 290     {
 291         return m_open;
 292     }
 293
 294     void ToggleOpen()
 295     {
 296         int len = m_nodes.GetCount();
 297         int sum = 0;
 298         for ( int i = 0;i < len; i ++)
 299             sum += m_nodes[i]->GetSubTreeCount();
 300
 301         sum += m_leaves.GetCount();
 302         if (m_open)
 303         {
 304             ChangeSubTreeCount(-sum);
 305             m_open = !m_open;
 306         }
 307         else
 308         {
 309             m_open = !m_open;
 310             ChangeSubTreeCount(sum);
 311         }
 312     }
 313     bool HasChildren() const { return m_hasChildren; }
 314     void SetHasChildren( bool has ){ m_hasChildren = has; }
 315
 316     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 317     int GetSubTreeCount() const { return m_subTreeCount; }
 318     void ChangeSubTreeCount( int num )
 319     {
 320         if( !m_open )
 321             return;
 322         m_subTreeCount += num;
 323         if( m_parent )
 324             m_parent->ChangeSubTreeCount(num);
 325     }
 326
 327     void Resort()
 328     {
 329         if (g_column >= -1)
 330         {
 331             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 332             int len = m_nodes.GetCount();
 333             for (int i = 0; i < len; i ++)
 334                 m_nodes[i]->Resort();
 335             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 336         }
 337     }
 338
 339 private:
 340     wxDataViewTreeNode  *m_parent;
 341     wxDataViewTreeNodes  m_nodes;
 342     wxDataViewTreeLeaves m_leaves;
 343     wxDataViewItem       m_item;
 344     bool                 m_open;
 345     bool                 m_hasChildren;
 346     int                  m_subTreeCount;
 347 };
 348
 349 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
 350 {
 351     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 352 }
 353
 354 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 355 {
 356     return g_model->Compare( *id1, *id2, g_column, g_asending );
 357 }
 358
 359
 360
 361 //-----------------------------------------------------------------------------
 362 // wxDataViewMainWindow
 363 //-----------------------------------------------------------------------------
 364
 365 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 366                                             WXDLLIMPEXP_ADV);
 367 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 368 WX_DEFINE_LIST(ItemList)
 369
 370 class wxDataViewMainWindow: public wxWindow
 371 {
 372 public:
 373     wxDataViewMainWindow( wxDataViewCtrl *parent,
 374                             wxWindowID id,
 375                             const wxPoint &pos = wxDefaultPosition,
 376                             const wxSize &size = wxDefaultSize,
 377                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 378     virtual ~wxDataViewMainWindow();
 379
 380     bool IsVirtualList() const { return m_root == NULL; }
 381
 382     // notifications from wxDataViewModel
 383     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 384     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 385     bool ItemChanged( const wxDataViewItem &item );
 386     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 387     bool Cleared();
 388     void Resort()
 389     {
 390         if (!IsVirtualList())
 391         {
 392             SortPrepare();
 393             m_root->Resort();
 394         }
 395         UpdateDisplay();
 396     }
 397
 398     void SortPrepare()
 399     {
 400         g_model = GetOwner()->GetModel();
 401         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 402         if( !col )
 403         {
 404             if (g_model->HasDefaultCompare())
 405                 g_column = -1;
 406             else
 407                 g_column = -2;
 408
 409             g_asending = true;
 410             return;
 411         }
 412         g_column = col->GetModelColumn();
 413         g_asending = col->IsSortOrderAscending();
 414     }
 415
 416     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 417     wxDataViewCtrl *GetOwner() { return m_owner; }
 418     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 419
 420 #if wxUSE_DRAG_AND_DROP
 421     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 422 #endif // wxUSE_DRAG_AND_DROP
 423     void OnPaint( wxPaintEvent &event );
 424     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 425     void OnChar( wxKeyEvent &event );
 426     void OnMouse( wxMouseEvent &event );
 427     void OnSetFocus( wxFocusEvent &event );
 428     void OnKillFocus( wxFocusEvent &event );
 429
 430     void UpdateDisplay();
 431     void RecalculateDisplay();
 432     void OnInternalIdle();
 433
 434     void OnRenameTimer();
 435
 436     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 437     void ScrollTo( int rows, int column );
 438
 439     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 440     void ChangeCurrentRow( unsigned int row );
 441
 442     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 443     bool IsEmpty() { return GetRowCount() == 0; }
 444
 445     int GetCountPerPage() const;
 446     int GetEndOfLastCol() const;
 447     unsigned int GetFirstVisibleRow() const;
 448     //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
 449     unsigned int GetLastVisibleRow();
 450     unsigned int GetRowCount();
 451
 452     wxDataViewItem GetSelection() const;
 453     wxDataViewSelection GetSelections(){ return m_selection; }
 454     void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
 455     void Select( const wxArrayInt& aSelections );
 456     void SelectAllRows( bool on );
 457     void SelectRow( unsigned int row, bool on );
 458     void SelectRows( unsigned int from, unsigned int to, bool on );
 459     void ReverseRowSelection( unsigned int row );
 460     bool IsRowSelected( unsigned int row );
 461     void SendSelectionChangedEvent( const wxDataViewItem& item);
 462
 463     void RefreshRow( unsigned int row );
 464     void RefreshRows( unsigned int from, unsigned int to );
 465     void RefreshRowsAfter( unsigned int firstRow );
 466
 467     // returns the colour to be used for drawing the rules
 468     wxColour GetRuleColour() const
 469     {
 470         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 471     }
 472
 473     wxRect GetLineRect( unsigned int row ) const;
 474
 475     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 476     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 477     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 478
 479     //Some useful functions for row and item mapping
 480     wxDataViewItem GetItemByRow( unsigned int row ) const;
 481     int GetRowByItem( const wxDataViewItem & item ) const;
 482
 483     //Methods for building the mapping tree
 484     void BuildTree( wxDataViewModel  * model );
 485     void DestroyTree();
 486     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 487     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 488
 489     void Expand( unsigned int row ) { OnExpanding( row ); }
 490     void Collapse( unsigned int row ) { OnCollapsing( row ); }
 491     bool IsExpanded( unsigned int row ) const;
 492
 493 #if wxUSE_DRAG_AND_DROP
 494     bool EnableDragSource( const wxDataFormat &format );
 495     bool EnableDropTarget( const wxDataFormat &format );
 496
 497     void RemoveDropHint();
 498     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 499     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 500     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 501     void OnLeave();
 502 #endif // wxUSE_DRAG_AND_DROP
 503
 504 private:
 505     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 506     //We did not need this temporarily
 507     //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 508
 509     int RecalculateCount();
 510
 511     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 512     void OnExpanding( unsigned int row );
 513     void OnCollapsing( unsigned int row );
 514
 515     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 516
 517 private:
 518     wxDataViewCtrl             *m_owner;
 519     int                         m_lineHeight;
 520     bool                        m_dirty;
 521
 522     wxDataViewColumn           *m_currentCol;
 523     unsigned int                m_currentRow;
 524     wxDataViewSelection         m_selection;
 525
 526     wxDataViewRenameTimer      *m_renameTimer;
 527     bool                        m_lastOnSame;
 528
 529     bool                        m_hasFocus;
 530
 531 #if wxUSE_DRAG_AND_DROP
 532     int                         m_dragCount;
 533     wxPoint                     m_dragStart;
 534
 535     bool                        m_dragEnabled;
 536     wxDataFormat                m_dragFormat;
 537
 538     bool                        m_dropEnabled;
 539     wxDataFormat                m_dropFormat;
 540     bool                        m_dropHint;
 541     unsigned int                m_dropHintLine;
 542 #endif // wxUSE_DRAG_AND_DROP
 543
 544     // for double click logic
 545     unsigned int m_lineLastClicked,
 546         m_lineBeforeLastClicked,
 547         m_lineSelectSingleOnUp;
 548
 549     // the pen used to draw horiz/vertical rules
 550     wxPen m_penRule;
 551
 552     // the pen used to draw the expander and the lines
 553     wxPen m_penExpander;
 554
 555     //This is the tree structure of the model
 556     wxDataViewTreeNode * m_root;
 557     int m_count;
 558     //This is the tree node under the cursor
 559     wxDataViewTreeNode * m_underMouse;
 560 private:
 561     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 562     DECLARE_EVENT_TABLE()
 563 };
 564
 565 // ---------------------------------------------------------
 566 // wxGenericDataViewModelNotifier
 567 // ---------------------------------------------------------
 568
 569 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 570 {
 571 public:
 572     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 573         { m_mainWindow = mainWindow; }
 574
 575     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 576         { return m_mainWindow->ItemAdded( parent , item ); }
 577     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 578         { return m_mainWindow->ItemDeleted( parent, item ); }
 579     virtual bool ItemChanged( const wxDataViewItem & item )
 580         { return m_mainWindow->ItemChanged(item);  }
 581     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 582         { return m_mainWindow->ValueChanged( item, col ); }
 583     virtual bool Cleared()
 584         { return m_mainWindow->Cleared(); }
 585     virtual void Resort()
 586         { m_mainWindow->Resort(); }
 587
 588     wxDataViewMainWindow    *m_mainWindow;
 589 };
 590
 591 // ---------------------------------------------------------
 592 // wxDataViewRenderer
 593 // ---------------------------------------------------------
 594
 595 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 596
 597 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 598                                         wxDataViewCellMode mode,
 599                                         int align) :
 600     wxDataViewRendererBase( varianttype, mode, align )
 601 {
 602     m_dc = NULL;
 603     m_align = align;
 604     m_mode = mode;
 605     m_wantsAttr = false;
 606     m_hasAttr = false;
 607 }
 608
 609 wxDataViewRenderer::~wxDataViewRenderer()
 610 {
 611     if (m_dc)
 612         delete m_dc;
 613 }
 614
 615 wxDC *wxDataViewRenderer::GetDC()
 616 {
 617     if (m_dc == NULL)
 618     {
 619         if (GetOwner() == NULL)
 620             return NULL;
 621         if (GetOwner()->GetOwner() == NULL)
 622             return NULL;
 623         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 624     }
 625
 626     return m_dc;
 627 }
 628
 629 void wxDataViewRenderer::SetAlignment( int align )
 630 {
 631     m_align=align;
 632 }
 633
 634 int wxDataViewRenderer::GetAlignment() const
 635 {
 636     return m_align;
 637 }
 638
 639 int wxDataViewRenderer::CalculateAlignment() const
 640 {
 641     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 642     {
 643         if (GetOwner() == NULL)
 644         return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 645
 646         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 647     }
 648
 649     return m_align;
 650 }
 651
 652 // ---------------------------------------------------------
 653 // wxDataViewCustomRenderer
 654 // ---------------------------------------------------------
 655
 656 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 657
 658 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 659                         wxDataViewCellMode mode, int align ) :
 660     wxDataViewRenderer( varianttype, mode, align )
 661 {
 662 }
 663
 664 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
 665 {
 666     wxDataViewCtrl *view = GetOwner()->GetOwner();
 667     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 668                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 669                         view->GetForegroundColour();
 670     dc->SetTextForeground(col);
 671     dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 672 }
 673
 674 // ---------------------------------------------------------
 675 // wxDataViewTextRenderer
 676 // ---------------------------------------------------------
 677
 678 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 679
 680 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 681                                                 wxDataViewCellMode mode, int align ) :
 682     wxDataViewCustomRenderer( varianttype, mode, align )
 683 {
 684 }
 685
 686 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 687 {
 688     m_text = value.GetString();
 689
 690     return true;
 691 }
 692
 693 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 694 {
 695     return false;
 696 }
 697
 698 bool wxDataViewTextRenderer::HasEditorCtrl()
 699 {
 700     return true;
 701 }
 702
 703 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 704         wxRect labelRect, const wxVariant &value )
 705 {
 706     return new wxTextCtrl( parent, wxID_ANY, value,
 707                         wxPoint(labelRect.x,labelRect.y),
 708                         wxSize(labelRect.width,labelRect.height) );
 709 }
 710
 711 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 712 {
 713     wxTextCtrl *text = (wxTextCtrl*) editor;
 714     value = text->GetValue();
 715     return true;
 716 }
 717
 718 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 719 {
 720     RenderText( m_text, 0, cell, dc, state );
 721     return true;
 722 }
 723
 724 wxSize wxDataViewTextRenderer::GetSize() const
 725 {
 726     const wxDataViewCtrl *view = GetView();
 727     if (!m_text.empty())
 728     {
 729         int x,y;
 730         view->GetTextExtent( m_text, &x, &y );
 731         return wxSize( x, y );
 732     }
 733     return wxSize(80,20);
 734 }
 735
 736 // ---------------------------------------------------------
 737 // wxDataViewTextRendererAttr
 738 // ---------------------------------------------------------
 739
 740 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 741
 742 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 743                             wxDataViewCellMode mode, int align ) :
 744     wxDataViewTextRenderer( varianttype, mode, align )
 745 {
 746     m_wantsAttr = true;
 747 }
 748
 749 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 750 {
 751     wxFont font;
 752     wxColour colour;
 753
 754     if (m_hasAttr)
 755     {
 756         if (m_attr.HasColour())
 757         {
 758             colour = dc->GetTextForeground();
 759             dc->SetTextForeground( m_attr.GetColour() );
 760         }
 761
 762         if (m_attr.GetBold() || m_attr.GetItalic())
 763         {
 764             font = dc->GetFont();
 765             wxFont myfont = font;
 766             if (m_attr.GetBold())
 767                 myfont.SetWeight( wxFONTWEIGHT_BOLD );
 768             if (m_attr.GetItalic())
 769                 myfont.SetStyle( wxFONTSTYLE_ITALIC );
 770             dc->SetFont( myfont );
 771         }
 772     }
 773
 774     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 775
 776     // restore dc
 777     if (m_hasAttr)
 778     {
 779         if (m_attr.HasColour())
 780             dc->SetTextForeground( colour );
 781
 782         if (m_attr.GetBold() || m_attr.GetItalic())
 783             dc->SetFont( font );
 784     }
 785
 786     return true;
 787 }
 788
 789
 790 // ---------------------------------------------------------
 791 // wxDataViewBitmapRenderer
 792 // ---------------------------------------------------------
 793
 794 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 795
 796 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 797                                                     wxDataViewCellMode mode, int align ) :
 798     wxDataViewCustomRenderer( varianttype, mode, align )
 799 {
 800 }
 801
 802 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 803 {
 804     if (value.GetType() == wxT("wxBitmap"))
 805         m_bitmap << value;
 806     if (value.GetType() == wxT("wxIcon"))
 807         m_icon << value;
 808
 809     return true;
 810 }
 811
 812 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 813 {
 814     return false;
 815 }
 816
 817 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 818 {
 819     if (m_bitmap.Ok())
 820         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 821     else if (m_icon.Ok())
 822         dc->DrawIcon( m_icon, cell.x, cell.y );
 823
 824     return true;
 825 }
 826
 827 wxSize wxDataViewBitmapRenderer::GetSize() const
 828 {
 829     if (m_bitmap.Ok())
 830         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 831     else if (m_icon.Ok())
 832         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 833
 834     return wxSize(16,16);
 835 }
 836
 837 // ---------------------------------------------------------
 838 // wxDataViewToggleRenderer
 839 // ---------------------------------------------------------
 840
 841 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 842
 843 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 844                         wxDataViewCellMode mode, int align ) :
 845     wxDataViewCustomRenderer( varianttype, mode, align )
 846 {
 847     m_toggle = false;
 848 }
 849
 850 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 851 {
 852     m_toggle = value.GetBool();
 853
 854     return true;
 855 }
 856
 857 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 858 {
 859     return false;
 860 }
 861
 862 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 863 {
 864     // User wxRenderer here
 865
 866     wxRect rect;
 867     rect.x = cell.x + cell.width/2 - 10;
 868     rect.width = 20;
 869     rect.y = cell.y + cell.height/2 - 10;
 870     rect.height = 20;
 871
 872     int flags = 0;
 873     if (m_toggle)
 874         flags |= wxCONTROL_CHECKED;
 875     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 876         flags |= wxCONTROL_DISABLED;
 877
 878     wxRendererNative::Get().DrawCheckBox(
 879             GetOwner()->GetOwner(),
 880             *dc,
 881             rect,
 882             flags );
 883
 884     return true;
 885 }
 886
 887 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 888                                         wxDataViewModel *model,
 889                                         const wxDataViewItem & item, unsigned int col)
 890 {
 891     bool value = !m_toggle;
 892     wxVariant variant = value;
 893     model->SetValue( variant, item, col);
 894     model->ValueChanged( item, col );
 895     return true;
 896 }
 897
 898 wxSize wxDataViewToggleRenderer::GetSize() const
 899 {
 900     return wxSize(20,20);
 901 }
 902
 903 // ---------------------------------------------------------
 904 // wxDataViewProgressRenderer
 905 // ---------------------------------------------------------
 906
 907 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 908
 909 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 910     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 911     wxDataViewCustomRenderer( varianttype, mode, align )
 912 {
 913     m_label = label;
 914     m_value = 0;
 915 }
 916
 917 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 918 {
 919 }
 920
 921 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 922 {
 923     m_value = (long) value;
 924
 925     if (m_value < 0) m_value = 0;
 926     if (m_value > 100) m_value = 100;
 927
 928     return true;
 929 }
 930
 931 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 932 {
 933     value = (long) m_value;
 934     return true;
 935 }
 936
 937 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 938 {
 939     double pct = (double)m_value / 100.0;
 940     wxRect bar = cell;
 941     bar.width = (int)(cell.width * pct);
 942     dc->SetPen( *wxTRANSPARENT_PEN );
 943     dc->SetBrush( *wxBLUE_BRUSH );
 944     dc->DrawRectangle( bar );
 945
 946     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 947     dc->SetPen( *wxBLACK_PEN );
 948     dc->DrawRectangle( cell );
 949
 950     return true;
 951 }
 952
 953 wxSize wxDataViewProgressRenderer::GetSize() const
 954 {
 955     return wxSize(40,12);
 956 }
 957
 958 // ---------------------------------------------------------
 959 // wxDataViewDateRenderer
 960 // ---------------------------------------------------------
 961
 962 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 963
 964 #if wxUSE_DATE_RENDERER_POPUP
 965
 966 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 967 {
 968 public:
 969     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 970         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 971         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 972         m_item( item )
 973     {
 974         m_model = model;
 975         m_col = col;
 976         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 977         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 978         sizer->Add( m_cal, 1, wxGROW );
 979         SetSizer( sizer );
 980         sizer->Fit( this );
 981     }
 982
 983     void OnCalendar( wxCalendarEvent &event );
 984
 985     wxCalendarCtrl      *m_cal;
 986     wxDataViewModel *m_model;
 987     unsigned int               m_col;
 988     const wxDataViewItem &   m_item;
 989
 990 protected:
 991     virtual void OnDismiss()
 992     {
 993     }
 994
 995 private:
 996     DECLARE_EVENT_TABLE()
 997 };
 998
 999 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1000     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1001 END_EVENT_TABLE()
1002
1003 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1004 {
1005     wxDateTime date = event.GetDate();
1006     wxVariant value = date;
1007     m_model->SetValue( value, m_item, m_col );
1008     m_model->ValueChanged( m_item, m_col );
1009     DismissAndNotify();
1010 }
1011
1012 #endif // wxUSE_DATE_RENDERER_POPUP
1013
1014 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1015
1016 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1017                         wxDataViewCellMode mode, int align ) :
1018     wxDataViewCustomRenderer( varianttype, mode, align )
1019 {
1020 }
1021
1022 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1023 {
1024     m_date = value.GetDateTime();
1025
1026     return true;
1027 }
1028
1029 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1030 {
1031     value = m_date;
1032     return true;
1033 }
1034
1035 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1036 {
1037     wxString tmp = m_date.FormatDate();
1038     RenderText( tmp, 0, cell, dc, state );
1039     return true;
1040 }
1041
1042 wxSize wxDataViewDateRenderer::GetSize() const
1043 {
1044     const wxDataViewCtrl* view = GetView();
1045     wxString tmp = m_date.FormatDate();
1046     wxCoord x,y,d;
1047     view->GetTextExtent( tmp, &x, &y, &d );
1048     return wxSize(x,y+d);
1049 }
1050
1051 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1052                                     const wxDataViewItem & item, unsigned int col )
1053 {
1054     wxVariant variant;
1055     model->GetValue( variant, item, col );
1056     wxDateTime value = variant.GetDateTime();
1057
1058 #if wxUSE_DATE_RENDERER_POPUP
1059     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1060         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1061     wxPoint pos = wxGetMousePosition();
1062     popup->Move( pos );
1063     popup->Layout();
1064     popup->Popup( popup->m_cal );
1065 #else // !wxUSE_DATE_RENDERER_POPUP
1066     wxMessageBox(value.Format());
1067 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1068     return true;
1069 }
1070
1071 // ---------------------------------------------------------
1072 // wxDataViewIconTextRenderer
1073 // ---------------------------------------------------------
1074
1075 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1076
1077 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1078 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1079     wxDataViewCustomRenderer( varianttype, mode, align )
1080 {
1081     SetMode(mode);
1082     SetAlignment(align);
1083 }
1084
1085 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1086 {
1087 }
1088
1089 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1090 {
1091     m_value << value;
1092     return true;
1093 }
1094
1095 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1096 {
1097     return false;
1098 }
1099
1100 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1101 {
1102     int xoffset = 0;
1103     const wxIcon &icon = m_value.GetIcon();
1104     if (icon.IsOk())
1105     {
1106         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1107         xoffset =  icon.GetWidth()+4;
1108     }
1109
1110     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1111
1112     return true;
1113 }
1114
1115 wxSize wxDataViewIconTextRenderer::GetSize() const
1116 {
1117     const wxDataViewCtrl *view = GetView();
1118     if (!m_value.GetText().empty())
1119     {
1120         int x,y;
1121         view->GetTextExtent( m_value.GetText(), &x, &y );
1122
1123         if (m_value.GetIcon().IsOk())
1124             x += m_value.GetIcon().GetWidth() + 4;
1125         return wxSize( x, y );
1126     }
1127     return wxSize(80,20);
1128 }
1129
1130 wxControl *
1131 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1132                                             wxRect WXUNUSED(labelRect),
1133                                             const wxVariant& WXUNUSED(value))
1134 {
1135     return NULL;
1136 }
1137
1138 bool
1139 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1140                                                 wxVariant& WXUNUSED(value))
1141 {
1142     return false;
1143 }
1144
1145 //-----------------------------------------------------------------------------
1146 // wxDataViewDropTarget
1147 //-----------------------------------------------------------------------------
1148
1149 #if wxUSE_DRAG_AND_DROP
1150
1151 class wxBitmapCanvas: public wxWindow
1152 {
1153 public:
1154     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1155     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1156     {
1157         m_bitmap = bitmap;
1158         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1159     }
1160
1161     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1162     {
1163         wxPaintDC dc(this);
1164         dc.DrawBitmap( m_bitmap, 0, 0);
1165     }
1166
1167     wxBitmap m_bitmap;
1168 };
1169
1170 class wxDataViewDropSource: public wxDropSource
1171 {
1172 public:
1173     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1174         wxDropSource( win )
1175     {
1176         m_win = win;
1177         m_row = row;
1178         m_hint = NULL;
1179     }
1180
1181     ~wxDataViewDropSource()
1182     {
1183         delete m_hint;
1184     }
1185
1186     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1187     {
1188         wxPoint pos = wxGetMousePosition();
1189
1190         if (!m_hint)
1191         {
1192             int liney = m_win->GetLineStart( m_row );
1193             int linex = 0;
1194             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1195             m_win->ClientToScreen( &linex, &liney );
1196             m_dist_x = pos.x - linex;
1197             m_dist_y = pos.y - liney;
1198
1199             int indent = 0;
1200             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1201             m_dist_x -= indent;
1202             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1203                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1204                                         ib.GetSize(),
1205                                         wxFRAME_TOOL_WINDOW |
1206                                         wxFRAME_FLOAT_ON_PARENT |
1207                                         wxFRAME_NO_TASKBAR |
1208                                         wxNO_BORDER );
1209             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1210             m_hint->Show();
1211         }
1212         else
1213         {
1214             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1215             m_hint->SetTransparent( 128 );
1216         }
1217
1218         return false;
1219     }
1220
1221     wxDataViewMainWindow   *m_win;
1222     unsigned int            m_row;
1223     wxFrame                *m_hint;
1224     int m_dist_x,m_dist_y;
1225 };
1226
1227
1228 class wxDataViewDropTarget: public wxDropTarget
1229 {
1230 public:
1231     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1232         wxDropTarget( obj )
1233     {
1234         m_win = win;
1235     }
1236
1237     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1238         {
1239         wxDataFormat format = GetMatchingPair();
1240         if (format == wxDF_INVALID)
1241             return wxDragNone;
1242         return m_win->OnDragOver( format, x, y, def);
1243         }
1244
1245     virtual bool OnDrop( wxCoord x, wxCoord y )
1246         {
1247         wxDataFormat format = GetMatchingPair();
1248         if (format == wxDF_INVALID)
1249             return false;
1250         return m_win->OnDrop( format, x, y );
1251         }
1252
1253     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1254         {
1255         wxDataFormat format = GetMatchingPair();
1256         if (format == wxDF_INVALID)
1257             return wxDragNone;
1258         if (!GetData())
1259             return wxDragNone;
1260         return m_win->OnData( format, x, y, def );
1261         }
1262
1263     virtual void OnLeave()
1264         { m_win->OnLeave(); }
1265
1266     wxDataViewMainWindow   *m_win;
1267 };
1268
1269 #endif // wxUSE_DRAG_AND_DROP
1270
1271 //-----------------------------------------------------------------------------
1272 // wxDataViewRenameTimer
1273 //-----------------------------------------------------------------------------
1274
1275 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1276 {
1277     m_owner = owner;
1278 }
1279
1280 void wxDataViewRenameTimer::Notify()
1281 {
1282     m_owner->OnRenameTimer();
1283 }
1284
1285 //-----------------------------------------------------------------------------
1286 // wxDataViewMainWindow
1287 //-----------------------------------------------------------------------------
1288
1289 //The tree building helper, declared firstly
1290 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
1291
1292 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1293 {
1294     if (row1 > row2) return 1;
1295     if (row1 == row2) return 0;
1296     return -1;
1297 }
1298
1299
1300 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1301
1302 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1303     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1304     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1305     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1306     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1307     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1308 END_EVENT_TABLE()
1309
1310 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1311     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1312     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1313     m_selection( wxDataViewSelectionCmp )
1314
1315 {
1316     SetOwner( parent );
1317
1318     m_lastOnSame = false;
1319     m_renameTimer = new wxDataViewRenameTimer( this );
1320
1321     // TODO: user better initial values/nothing selected
1322     m_currentCol = NULL;
1323     m_currentRow = 0;
1324
1325     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1326
1327 #if wxUSE_DRAG_AND_DROP
1328     m_dragCount = 0;
1329     m_dragStart = wxPoint(0,0);
1330
1331     m_dragEnabled = false;
1332     m_dropEnabled = false;
1333     m_dropHint = false;
1334     m_dropHintLine = (unsigned int) -1;
1335 #endif // wxUSE_DRAG_AND_DROP
1336
1337     m_lineLastClicked = (unsigned int) -1;
1338     m_lineBeforeLastClicked = (unsigned int) -1;
1339     m_lineSelectSingleOnUp = (unsigned int) -1;
1340
1341     m_hasFocus = false;
1342
1343     SetBackgroundColour( *wxWHITE );
1344
1345     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1346
1347     m_penRule = wxPen(GetRuleColour());
1348
1349     //Here I compose a pen can draw black lines, maybe there are something system colour to use
1350     m_penExpander = wxPen(wxColour(0,0,0));
1351     //Some new added code to deal with the tree structure
1352     m_root = new wxDataViewTreeNode( NULL );
1353     m_root->SetHasChildren(true);
1354
1355     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1356     m_count = -1;
1357     m_underMouse = NULL;
1358     UpdateDisplay();
1359 }
1360
1361 wxDataViewMainWindow::~wxDataViewMainWindow()
1362 {
1363     DestroyTree();
1364     delete m_renameTimer;
1365 }
1366
1367
1368 #if wxUSE_DRAG_AND_DROP
1369 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1370 {
1371     m_dragFormat = format;
1372     m_dragEnabled = format != wxDF_INVALID;
1373
1374     return true;
1375 }
1376
1377 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1378 {
1379     m_dropFormat = format;
1380     m_dropEnabled = format != wxDF_INVALID;
1381
1382     if (m_dropEnabled)
1383         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1384
1385     return true;
1386 }
1387
1388 void wxDataViewMainWindow::RemoveDropHint()
1389 {
1390     if (m_dropHint)
1391     {
1392             m_dropHint = false;
1393             RefreshRow( m_dropHintLine );
1394             m_dropHintLine = (unsigned int) -1;
1395     }
1396 }
1397
1398 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
1399 {
1400     int xx = x;
1401     int yy = y;
1402     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1403     unsigned int row = GetLineAt( yy );
1404
1405     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1406     {
1407         RemoveDropHint();
1408         return wxDragNone;
1409     }
1410
1411     wxDataViewItem item = GetItemByRow( row );
1412
1413     wxDataViewModel *model = GetOwner()->GetModel();
1414
1415     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1416     event.SetEventObject( m_owner );
1417     event.SetItem( item );
1418     event.SetModel( model );
1419     event.SetDataFormat( format );
1420     if (!m_owner->HandleWindowEvent( event ))
1421     {
1422         RemoveDropHint();
1423         return wxDragNone;
1424     }
1425
1426     if (!event.IsAllowed())
1427     {
1428         RemoveDropHint();
1429         return wxDragNone;
1430     }
1431
1432
1433     if (m_dropHint && (row != m_dropHintLine))
1434         RefreshRow( m_dropHintLine );
1435     m_dropHint = true;
1436     m_dropHintLine = row;
1437     RefreshRow( row );
1438
1439     return def;
1440 }
1441
1442 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1443 {
1444     RemoveDropHint();
1445
1446     int xx = x;
1447     int yy = y;
1448     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1449     unsigned int row = GetLineAt( yy );
1450
1451     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1452         return false;
1453
1454     wxDataViewItem item = GetItemByRow( row );
1455
1456     wxDataViewModel *model = GetOwner()->GetModel();
1457
1458     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1459     event.SetEventObject( m_owner );
1460     event.SetItem( item );
1461     event.SetModel( model );
1462     event.SetDataFormat( format );
1463     if (!m_owner->HandleWindowEvent( event ))
1464         return false;
1465
1466     if (!event.IsAllowed())
1467         return false;
1468
1469     return true;
1470 }
1471
1472 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
1473 {
1474     int xx = x;
1475     int yy = y;
1476     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1477     unsigned int row = GetLineAt( yy );
1478
1479     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1480         return wxDragNone;
1481
1482     wxDataViewItem item = GetItemByRow( row );
1483
1484     wxDataViewModel *model = GetOwner()->GetModel();
1485
1486     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1487
1488     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1489     event.SetEventObject( m_owner );
1490     event.SetItem( item );
1491     event.SetModel( model );
1492     event.SetDataFormat( format );
1493     event.SetDataSize( obj->GetSize() );
1494     event.SetDataBuffer( obj->GetData() );
1495     if (!m_owner->HandleWindowEvent( event ))
1496         return wxDragNone;
1497
1498     if (!event.IsAllowed())
1499         return wxDragNone;
1500
1501     return def;
1502 }
1503
1504 void wxDataViewMainWindow::OnLeave()
1505 {
1506     RemoveDropHint();
1507 }
1508
1509 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1510 {
1511     int height = GetLineHeight( row );
1512     int width = 0;
1513     unsigned int cols = GetOwner()->GetColumnCount();
1514     unsigned int col;
1515     for (col = 0; col < cols; col++)
1516     {
1517         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1518         if (column->IsHidden())
1519             continue;      // skip it!
1520         width += column->GetWidth();
1521     }
1522
1523     indent = 0;
1524     if (!IsVirtualList())
1525     {
1526         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1527         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1528         indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
1529
1530         if(!node->HasChildren())
1531             delete node;
1532     }
1533     width -= indent;
1534
1535     wxBitmap bitmap( width, height );
1536     wxMemoryDC dc( bitmap );
1537     dc.SetFont( GetFont() );
1538     dc.SetPen( *wxBLACK_PEN );
1539     dc.SetBrush( *wxWHITE_BRUSH );
1540     dc.DrawRectangle( 0,0,width,height );
1541
1542     wxDataViewModel *model = m_owner->GetModel();
1543
1544     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1545     if (!expander)
1546     {
1547         // TODO-RTL: last column for RTL support
1548         expander = GetOwner()->GetColumnAt( 0 );
1549         GetOwner()->SetExpanderColumn(expander);
1550     }
1551
1552
1553     int x = 0;
1554     for (col = 0; col < cols; col++)
1555     {
1556         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1557         wxDataViewRenderer *cell = column->GetRenderer();
1558
1559         if (column->IsHidden())
1560             continue;       // skip it!
1561
1562         width = column->GetWidth();
1563
1564         if (column == expander)
1565             width -= indent;
1566
1567         wxVariant value;
1568         wxDataViewItem item = GetItemByRow( row );
1569         model->GetValue( value, item, column->GetModelColumn());
1570         cell->SetValue( value );
1571
1572         if (cell->GetWantsAttr())
1573         {
1574                 wxDataViewItemAttr attr;
1575                 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1576                 if (ret)
1577                     cell->SetAttr( attr );
1578                 cell->SetHasAttr( ret );
1579         }
1580
1581         wxSize size = cell->GetSize();
1582         size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1583         size.y = height;
1584         wxRect item_rect(x, 0, size.x, size.y);
1585
1586         int align = cell->CalculateAlignment();
1587         // horizontal alignment:
1588         item_rect.x = x;
1589         if (align & wxALIGN_CENTER_HORIZONTAL)
1590             item_rect.x = x + (width / 2) - (size.x / 2);
1591         else if (align & wxALIGN_RIGHT)
1592             item_rect.x = x + width - size.x;
1593         //else: wxALIGN_LEFT is the default
1594
1595         // vertical alignment:
1596         item_rect.y = 0;
1597         if (align & wxALIGN_CENTER_VERTICAL)
1598             item_rect.y = (height / 2) - (size.y / 2);
1599         else if (align & wxALIGN_BOTTOM)
1600             item_rect.y = height - size.y;
1601         //else: wxALIGN_TOP is the default
1602
1603         // add padding
1604         item_rect.x += PADDING_RIGHTLEFT;
1605         item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1606
1607         //dc.SetClippingRegion( item_rect );
1608         cell->Render( item_rect, &dc, 0 );
1609         //dc.DestroyClippingRegion();
1610
1611         x += width;
1612     }
1613
1614     return bitmap;
1615 }
1616
1617 #endif // wxUSE_DRAG_AND_DROP
1618
1619
1620 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1621 {
1622     wxDataViewModel *model = GetOwner()->GetModel();
1623     wxAutoBufferedPaintDC dc( this );
1624
1625 #ifdef __WXMSW__
1626     dc.SetPen( *wxTRANSPARENT_PEN );
1627     dc.SetBrush( wxBrush( GetBackgroundColour()) );
1628     dc.SetBrush( *wxWHITE_BRUSH );
1629     wxSize size( GetClientSize() );
1630     dc.DrawRectangle( 0,0,size.x,size.y );
1631 #endif
1632
1633     // prepare the DC
1634     GetOwner()->PrepareDC( dc );
1635     dc.SetFont( GetFont() );
1636
1637     wxRect update = GetUpdateRegion().GetBox();
1638     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1639
1640     // compute which items needs to be redrawn
1641     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1642     unsigned int item_count =
1643         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1644             (int)(GetRowCount( ) - item_start));
1645     unsigned int item_last = item_start + item_count;
1646
1647     // compute which columns needs to be redrawn
1648     unsigned int cols = GetOwner()->GetColumnCount();
1649     unsigned int col_start = 0;
1650     unsigned int x_start;
1651     for (x_start = 0; col_start < cols; col_start++)
1652     {
1653         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1654         if (col->IsHidden())
1655             continue;      // skip it!
1656
1657         unsigned int w = col->GetWidth();
1658         if (x_start+w >= (unsigned int)update.x)
1659             break;
1660
1661         x_start += w;
1662     }
1663
1664     unsigned int col_last = col_start;
1665     unsigned int x_last = x_start;
1666     for (; col_last < cols; col_last++)
1667     {
1668         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1669         if (col->IsHidden())
1670             continue;      // skip it!
1671
1672         if (x_last > (unsigned int)update.GetRight())
1673             break;
1674
1675         x_last += col->GetWidth();
1676     }
1677
1678     // Draw horizontal rules if required
1679     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1680     {
1681         dc.SetPen(m_penRule);
1682         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1683
1684         for (unsigned int i = item_start; i <= item_last+1; i++)
1685         {
1686             int y = GetLineStart( i );
1687             dc.DrawLine(x_start, y, x_last, y);
1688         }
1689     }
1690
1691     // Draw vertical rules if required
1692     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1693     {
1694         dc.SetPen(m_penRule);
1695         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1696
1697         int x = x_start;
1698         for (unsigned int i = col_start; i < col_last; i++)
1699         {
1700             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1701             if (col->IsHidden())
1702                 continue;       // skip it
1703
1704             dc.DrawLine(x, GetLineStart( item_start ),
1705                         x, GetLineStart( item_last ) );
1706
1707             x += col->GetWidth();
1708         }
1709
1710         // Draw last vertical rule
1711         dc.DrawLine(x, GetLineStart( item_start ),
1712                     x, GetLineStart( item_last ) );
1713     }
1714
1715     // redraw the background for the items which are selected/current
1716     for (unsigned int item = item_start; item < item_last; item++)
1717     {
1718         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1719         if (selected || item == m_currentRow)
1720         {
1721             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1722             if (item == m_currentRow)
1723                 flags |= wxCONTROL_CURRENT;
1724             if (m_hasFocus)
1725                 flags |= wxCONTROL_FOCUSED;
1726
1727             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1728             wxRendererNative::Get().DrawItemSelectionRect
1729                                 (
1730                                     this,
1731                                     dc,
1732                                     rect,
1733                                     flags
1734                                 );
1735         }
1736     }
1737
1738 #if wxUSE_DRAG_AND_DROP
1739     if (m_dropHint)
1740     {
1741         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1742                     x_last, GetLineHeight( m_dropHintLine ) );
1743         dc.SetPen( *wxBLACK_PEN );
1744         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1745         dc.DrawRectangle( rect );
1746     }
1747 #endif // wxUSE_DRAG_AND_DROP
1748
1749     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1750     if (!expander)
1751     {
1752         // TODO-RTL: last column for RTL support
1753         expander = GetOwner()->GetColumnAt( 0 );
1754         GetOwner()->SetExpanderColumn(expander);
1755     }
1756
1757     // redraw all cells for all rows which must be repainted and all columns
1758     wxRect cell_rect;
1759     cell_rect.x = x_start;
1760     for (unsigned int i = col_start; i < col_last; i++)
1761     {
1762
1763         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1764         wxDataViewRenderer *cell = col->GetRenderer();
1765         cell_rect.width = col->GetWidth();
1766
1767         if (col->IsHidden())
1768             continue;       // skip it!
1769
1770         for (unsigned int item = item_start; item < item_last; item++)
1771         {
1772             // get the cell value and set it into the renderer
1773             wxVariant value;
1774             wxDataViewTreeNode *node = NULL;
1775             wxDataViewItem dataitem;
1776
1777             if (!IsVirtualList())
1778             {
1779                 node = GetTreeNodeByRow(item);
1780                 if( node == NULL )
1781                     continue;
1782
1783                 dataitem = node->GetItem();
1784
1785                 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
1786                     continue;
1787             }
1788             else
1789             {
1790                 dataitem = wxDataViewItem( wxUIntToPtr(item) );
1791             }
1792
1793             model->GetValue( value, dataitem, col->GetModelColumn());
1794             cell->SetValue( value );
1795
1796             if (cell->GetWantsAttr())
1797             {
1798                 wxDataViewItemAttr attr;
1799                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1800                 if (ret)
1801                     cell->SetAttr( attr );
1802                 cell->SetHasAttr( ret );
1803             }
1804
1805             // update cell_rect
1806             cell_rect.y = GetLineStart( item );
1807             cell_rect.height = GetLineHeight( item );     // -1 is for the horizontal rules (?)
1808
1809             //Draw the expander here.
1810             int indent = 0;
1811             if ((!IsVirtualList()) && (col == expander))
1812             {
1813                 indent = node->GetIndentLevel();
1814
1815                 //Calculate the indent first
1816                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1817
1818                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1819                 // change the cell_rect.x to the appropriate pos
1820                 int  expander_x = indent + EXPANDER_MARGIN;
1821                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET;
1822                 indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
1823                 dc.SetPen( m_penExpander );
1824                 dc.SetBrush( wxNullBrush );
1825                 if( node->HasChildren() )
1826                 {
1827                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1828                     int flag = 0;
1829                     if (m_underMouse == node)
1830                     {
1831                         flag |= wxCONTROL_CURRENT;
1832                     }
1833                     if( node->IsOpen() )
1834                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
1835                     else
1836                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1837                 }
1838                 //force the expander column to left-center align
1839                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1840             }
1841             if (node && !node->HasChildren())
1842             {
1843                 // Yes, if the node does not have any child, it must be a leaf which
1844                 // mean that it is a temporarily created by GetTreeNodeByRow
1845                 wxDELETE(node);
1846             }
1847
1848             // cannot be bigger than allocated space
1849             wxSize size = cell->GetSize();
1850             // Because of the tree structure indent, here we should minus the width of the cell for drawing
1851             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1852             // size.y = wxMin( size.y, cell_rect.height );
1853             size.y = cell_rect.height;
1854
1855             wxRect item_rect(cell_rect.GetTopLeft(), size);
1856             int align = cell->CalculateAlignment();
1857
1858             // horizontal alignment:
1859             item_rect.x = cell_rect.x;
1860             if (align & wxALIGN_CENTER_HORIZONTAL)
1861                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1862             else if (align & wxALIGN_RIGHT)
1863                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1864             //else: wxALIGN_LEFT is the default
1865
1866             // vertical alignment:
1867             item_rect.y = cell_rect.y;
1868             if (align & wxALIGN_CENTER_VERTICAL)
1869                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1870             else if (align & wxALIGN_BOTTOM)
1871                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1872             //else: wxALIGN_TOP is the default
1873
1874             // add padding
1875             item_rect.x += PADDING_RIGHTLEFT;
1876             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1877
1878             //Here we add the tree indent
1879             item_rect.x += indent;
1880
1881             int state = 0;
1882             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1883                 state |= wxDATAVIEW_CELL_SELECTED;
1884
1885             // TODO: it would be much more efficient to create a clipping
1886             //       region for the entire column being rendered (in the OnPaint
1887             //       of wxDataViewMainWindow) instead of a single clip region for
1888             //       each cell. However it would mean that each renderer should
1889             //       respect the given wxRect's top & bottom coords, eventually
1890             //       violating only the left & right coords - however the user can
1891             //       make its own renderer and thus we cannot be sure of that.
1892             dc.SetClippingRegion( item_rect );
1893             cell->Render( item_rect, &dc, state );
1894             dc.DestroyClippingRegion();
1895         }
1896
1897         cell_rect.x += cell_rect.width;
1898     }
1899 }
1900
1901 void wxDataViewMainWindow::OnRenameTimer()
1902 {
1903     // We have to call this here because changes may just have
1904     // been made and no screen update taken place.
1905     if ( m_dirty )
1906     {
1907         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1908         //       (needs to be tested!)
1909         wxSafeYield();
1910     }
1911
1912     int xpos = 0;
1913     unsigned int cols = GetOwner()->GetColumnCount();
1914     unsigned int i;
1915     for (i = 0; i < cols; i++)
1916     {
1917         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
1918         if (c->IsHidden())
1919             continue;      // skip it!
1920
1921         if (c == m_currentCol)
1922             break;
1923         xpos += c->GetWidth();
1924     }
1925
1926     // we have to take an expander column into account and compute its indentation
1927     // to get the editor at the correct x position where the actual text is
1928     int indent = 0;
1929     if (!IsVirtualList() && GetOwner()->GetExpanderColumn() == m_currentCol)
1930     {
1931         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
1932         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1933         indent = indent + m_lineHeight;
1934
1935         if(!node->HasChildren())
1936             delete node;
1937     }
1938
1939     wxRect labelRect( xpos + indent,
1940                     GetLineStart( m_currentRow ),
1941                     m_currentCol->GetWidth() - indent,
1942                     GetLineHeight( m_currentRow ) );
1943
1944     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1945                                     &labelRect.x, &labelRect.y);
1946
1947     wxDataViewItem item = GetItemByRow( m_currentRow );
1948     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1949 }
1950
1951 //------------------------------------------------------------------
1952 // Helper class for do operation on the tree node
1953 //------------------------------------------------------------------
1954 class DoJob
1955 {
1956 public:
1957     DoJob() { }
1958     virtual ~DoJob() { }
1959
1960     //The return value control how the tree-walker tranverse the tree
1961     // 0: Job done, stop tranverse and return
1962     // 1: Ignore the current node's subtree and continue
1963     // 2: Job not done, continue
1964     enum  { OK = 0 , IGR = 1, CONT = 2 };
1965     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1966     virtual int operator() ( void * n ) = 0;
1967 };
1968
1969 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1970 {
1971     if( node==NULL )
1972         return false;
1973
1974     switch( func( node ) )
1975     {
1976         case DoJob::OK :
1977             return true;
1978         case DoJob::IGR:
1979             return false;
1980         case DoJob::CONT:
1981         default:
1982             ;
1983     }
1984
1985     wxDataViewTreeNodes nodes = node->GetNodes();
1986     wxDataViewTreeLeaves leaves = node->GetChildren();
1987
1988     int len_nodes = nodes.GetCount();
1989     int len = leaves.GetCount();
1990     int i = 0, nodes_i = 0;
1991
1992     for(; i < len; i ++ )
1993     {
1994         void * n = leaves[i];
1995         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1996         {
1997             wxDataViewTreeNode * nd = nodes[nodes_i];
1998             nodes_i++;
1999
2000             if( Walker( nd , func ) )
2001                 return true;
2002
2003         }
2004         else
2005             switch( func( n ) )
2006             {
2007                 case DoJob::OK :
2008                     return true;
2009                 case DoJob::IGR:
2010                     continue;
2011                 case DoJob::CONT:
2012                 default:
2013                 ;
2014             }
2015     }
2016     return false;
2017 }
2018
2019 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2020 {
2021     if (!m_root)
2022     {
2023         m_count++;
2024         UpdateDisplay();
2025         return true;
2026     }
2027
2028     SortPrepare();
2029
2030     wxDataViewTreeNode * node;
2031     node = FindNode(parent);
2032
2033     if( node == NULL )
2034         return false;
2035
2036     node->SetHasChildren( true );
2037
2038     if( g_model->IsContainer( item ) )
2039     {
2040         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2041         newnode->SetItem(item);
2042         newnode->SetHasChildren( true );
2043         node->AddNode( newnode);
2044     }
2045     else
2046         node->AddLeaf( item.GetID() );
2047
2048     node->ChangeSubTreeCount(1);
2049
2050     m_count = -1;
2051     UpdateDisplay();
2052
2053     return true;
2054 }
2055
2056 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2057
2058 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2059                                     const wxDataViewItem& item)
2060 {
2061     if (!m_root)
2062     {
2063         m_count--;
2064         if( m_currentRow > GetRowCount() )
2065             m_currentRow = m_count - 1;
2066
2067         m_selection.Empty();
2068
2069         UpdateDisplay();
2070
2071         return true;
2072     }
2073
2074     wxDataViewTreeNode * node = FindNode(parent);
2075
2076     wxCHECK_MSG( node != NULL, false, "item not found" );
2077     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2078
2079     int sub = -1;
2080     node->GetChildren().Remove( item.GetID() );
2081     //Manuplate selection
2082     if( m_selection.GetCount() > 1 )
2083     {
2084         m_selection.Empty();
2085     }
2086     bool isContainer = false;
2087     wxDataViewTreeNodes nds = node->GetNodes();
2088     for (size_t i = 0; i < nds.GetCount(); i ++)
2089     {
2090         if (nds[i]->GetItem() == item)
2091         {
2092             isContainer = true;
2093             break;
2094         }
2095     }
2096     if( isContainer )
2097     {
2098         wxDataViewTreeNode * n = NULL;
2099         wxDataViewTreeNodes nodes = node->GetNodes();
2100         int len = nodes.GetCount();
2101         for( int i = 0; i < len; i ++)
2102         {
2103             if( nodes[i]->GetItem() == item )
2104             {
2105                 n = nodes[i];
2106                 break;
2107             }
2108         }
2109
2110         wxCHECK_MSG( n != NULL, false, "item not found" );
2111
2112         node->GetNodes().Remove( n );
2113         sub -= n->GetSubTreeCount();
2114         ::DestroyTreeHelper(n);
2115     }
2116     //Make the row number invalid and get a new valid one when user call GetRowCount
2117     m_count = -1;
2118     node->ChangeSubTreeCount(sub);
2119
2120     //Change the current row to the last row if the current exceed the max row number
2121     if( m_currentRow > GetRowCount() )
2122         m_currentRow = m_count - 1;
2123
2124     UpdateDisplay();
2125
2126     return true;
2127 }
2128
2129 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2130 {
2131     SortPrepare();
2132     g_model->Resort();
2133
2134     //Send event
2135     wxWindow *parent = GetParent();
2136     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2137     le.SetEventObject(parent);
2138     le.SetModel(GetOwner()->GetModel());
2139     le.SetItem(item);
2140     parent->GetEventHandler()->ProcessEvent(le);
2141
2142     return true;
2143 }
2144
2145 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2146 {
2147     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2148 /*#define MAX_VIRTUAL_WIDTH       100000
2149
2150     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2151     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2152     Refresh( true, &rect );
2153
2154     return true;
2155 */
2156     SortPrepare();
2157     g_model->Resort();
2158
2159     //Send event
2160     wxWindow *parent = GetParent();
2161     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2162     le.SetEventObject(parent);
2163     le.SetModel(GetOwner()->GetModel());
2164     le.SetItem(item);
2165     le.SetColumn(col);
2166     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2167     parent->GetEventHandler()->ProcessEvent(le);
2168
2169     return true;
2170 }
2171
2172 bool wxDataViewMainWindow::Cleared()
2173 {
2174     DestroyTree();
2175
2176     SortPrepare();
2177     BuildTree( GetOwner()->GetModel() );
2178
2179     UpdateDisplay();
2180
2181     return true;
2182 }
2183
2184 void wxDataViewMainWindow::UpdateDisplay()
2185 {
2186     m_dirty = true;
2187 }
2188
2189 void wxDataViewMainWindow::OnInternalIdle()
2190 {
2191     wxWindow::OnInternalIdle();
2192
2193     if (m_dirty)
2194     {
2195         RecalculateDisplay();
2196         m_dirty = false;
2197     }
2198 }
2199
2200 void wxDataViewMainWindow::RecalculateDisplay()
2201 {
2202     wxDataViewModel *model = GetOwner()->GetModel();
2203     if (!model)
2204     {
2205         Refresh();
2206         return;
2207     }
2208
2209     int width = GetEndOfLastCol();
2210     int height = GetLineStart( GetRowCount() );
2211
2212     SetVirtualSize( width, height );
2213     GetOwner()->SetScrollRate( 10, m_lineHeight );
2214
2215     Refresh();
2216 }
2217
2218 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2219 {
2220     wxWindow::ScrollWindow( dx, dy, rect );
2221
2222     if (GetOwner()->m_headerArea)
2223         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2224 }
2225
2226 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2227 {
2228     int x, y;
2229     m_owner->GetScrollPixelsPerUnit( &x, &y );
2230     int sy = GetLineStart( rows )/y;
2231     int sx = 0;
2232     if( column != -1 )
2233     {
2234         wxRect rect = GetClientRect();
2235         int colnum = 0;
2236         int x_start, w = 0;
2237         int xx, yy, xe;
2238         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2239         for (x_start = 0; colnum < column; colnum++)
2240         {
2241             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2242             if (col->IsHidden())
2243                 continue;      // skip it!
2244
2245             w = col->GetWidth();
2246             x_start += w;
2247         }
2248
2249         int x_end = x_start + w;
2250         xe = xx + rect.width;
2251         if( x_end > xe )
2252         {
2253             sx = ( xx + x_end - xe )/x;
2254         }
2255         if( x_start < xx )
2256         {
2257             sx = x_start/x;
2258         }
2259     }
2260     m_owner->Scroll( sx, sy );
2261 }
2262
2263 int wxDataViewMainWindow::GetCountPerPage() const
2264 {
2265     wxSize size = GetClientSize();
2266     return size.y / m_lineHeight;
2267 }
2268
2269 int wxDataViewMainWindow::GetEndOfLastCol() const
2270 {
2271     int width = 0;
2272     unsigned int i;
2273     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2274     {
2275         const wxDataViewColumn *c =
2276             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2277
2278         if (!c->IsHidden())
2279             width += c->GetWidth();
2280     }
2281     return width;
2282 }
2283
2284 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2285 {
2286     int x = 0;
2287     int y = 0;
2288     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2289
2290     return GetLineAt( y );
2291 }
2292
2293 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2294 {
2295     wxSize client_size = GetClientSize();
2296     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2297                                     &client_size.x, &client_size.y );
2298
2299     //we should deal with the pixel here
2300     unsigned int row = GetLineAt(client_size.y) - 1;
2301
2302     return wxMin( GetRowCount()-1, row );
2303 }
2304
2305 unsigned int wxDataViewMainWindow::GetRowCount()
2306 {
2307     if ( m_count == -1 )
2308     {
2309         m_count = RecalculateCount();
2310         UpdateDisplay();
2311     }
2312     return m_count;
2313 }
2314
2315 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2316 {
2317     m_currentRow = row;
2318
2319     // send event
2320 }
2321
2322 void wxDataViewMainWindow::SelectAllRows( bool on )
2323 {
2324     if (IsEmpty())
2325         return;
2326
2327     if (on)
2328     {
2329         m_selection.Clear();
2330         for (unsigned int i = 0; i < GetRowCount(); i++)
2331             m_selection.Add( i );
2332         Refresh();
2333     }
2334     else
2335     {
2336         unsigned int first_visible = GetFirstVisibleRow();
2337         unsigned int last_visible = GetLastVisibleRow();
2338         unsigned int i;
2339         for (i = 0; i < m_selection.GetCount(); i++)
2340         {
2341             unsigned int row = m_selection[i];
2342             if ((row >= first_visible) && (row <= last_visible))
2343                 RefreshRow( row );
2344         }
2345         m_selection.Clear();
2346     }
2347 }
2348
2349 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2350 {
2351     if (m_selection.Index( row ) == wxNOT_FOUND)
2352     {
2353         if (on)
2354         {
2355             m_selection.Add( row );
2356             RefreshRow( row );
2357         }
2358     }
2359     else
2360     {
2361         if (!on)
2362         {
2363             m_selection.Remove( row );
2364             RefreshRow( row );
2365         }
2366     }
2367 }
2368
2369 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2370 {
2371     if (from > to)
2372     {
2373         unsigned int tmp = from;
2374         from = to;
2375         to = tmp;
2376     }
2377
2378     unsigned int i;
2379     for (i = from; i <= to; i++)
2380     {
2381         if (m_selection.Index( i ) == wxNOT_FOUND)
2382         {
2383             if (on)
2384                 m_selection.Add( i );
2385         }
2386         else
2387         {
2388             if (!on)
2389                 m_selection.Remove( i );
2390         }
2391     }
2392     RefreshRows( from, to );
2393 }
2394
2395 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2396 {
2397     for (size_t i=0; i < aSelections.GetCount(); i++)
2398     {
2399         int n = aSelections[i];
2400
2401         m_selection.Add( n );
2402         RefreshRow( n );
2403     }
2404 }
2405
2406 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2407 {
2408     if (m_selection.Index( row ) == wxNOT_FOUND)
2409         m_selection.Add( row );
2410     else
2411         m_selection.Remove( row );
2412     RefreshRow( row );
2413 }
2414
2415 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2416 {
2417     return (m_selection.Index( row ) != wxNOT_FOUND);
2418 }
2419
2420 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2421 {
2422     wxWindow *parent = GetParent();
2423     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2424
2425     le.SetEventObject(parent);
2426     le.SetModel(GetOwner()->GetModel());
2427     le.SetItem( item );
2428
2429     parent->GetEventHandler()->ProcessEvent(le);
2430 }
2431
2432 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2433 {
2434     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2435     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2436
2437     wxSize client_size = GetClientSize();
2438     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2439     wxRect intersect_rect = client_rect.Intersect( rect );
2440     if (intersect_rect.width > 0)
2441         Refresh( true, &intersect_rect );
2442 }
2443
2444 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2445 {
2446     if (from > to)
2447     {
2448         unsigned int tmp = to;
2449         to = from;
2450         from = tmp;
2451     }
2452
2453     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2454     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2455
2456     wxSize client_size = GetClientSize();
2457     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2458     wxRect intersect_rect = client_rect.Intersect( rect );
2459     if (intersect_rect.width > 0)
2460         Refresh( true, &intersect_rect );
2461 }
2462
2463 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2464 {
2465     wxSize client_size = GetClientSize();
2466     int start = GetLineStart( firstRow );
2467     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2468     if (start > client_size.y) return;
2469
2470     wxRect rect( 0, start, client_size.x, client_size.y - start );
2471
2472     Refresh( true, &rect );
2473 }
2474
2475 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2476 {
2477     wxCHECK_RET( newCurrent < GetRowCount(),
2478                 _T("invalid item index in OnArrowChar()") );
2479
2480     // if there is no selection, we cannot move it anywhere
2481     if (!HasCurrentRow())
2482         return;
2483
2484     unsigned int oldCurrent = m_currentRow;
2485
2486     // in single selection we just ignore Shift as we can't select several
2487     // items anyhow
2488     if ( event.ShiftDown() && !IsSingleSel() )
2489     {
2490         RefreshRow( oldCurrent );
2491
2492         ChangeCurrentRow( newCurrent );
2493
2494         // select all the items between the old and the new one
2495         if ( oldCurrent > newCurrent )
2496         {
2497             newCurrent = oldCurrent;
2498             oldCurrent = m_currentRow;
2499         }
2500
2501         SelectRows( oldCurrent, newCurrent, true );
2502         if (oldCurrent!=newCurrent)
2503             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2504     }
2505     else // !shift
2506     {
2507         RefreshRow( oldCurrent );
2508
2509         // all previously selected items are unselected unless ctrl is held
2510         if ( !event.ControlDown() )
2511             SelectAllRows(false);
2512
2513         ChangeCurrentRow( newCurrent );
2514
2515         if ( !event.ControlDown() )
2516         {
2517             SelectRow( m_currentRow, true );
2518             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2519         }
2520         else
2521             RefreshRow( m_currentRow );
2522     }
2523
2524     GetOwner()->EnsureVisible( m_currentRow, -1 );
2525 }
2526
2527 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2528 {
2529     wxRect rect;
2530     rect.x = 0;
2531     rect.y = GetLineStart( row );
2532     rect.width = GetEndOfLastCol();
2533     rect.height = GetLineHeight( row );
2534
2535     return rect;
2536 }
2537
2538 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2539 {
2540     const wxDataViewModel *model = GetOwner()->GetModel();
2541
2542     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2543     {
2544         // TODO make more efficient
2545
2546         int start = 0;
2547
2548         unsigned int r;
2549         for (r = 0; r < row; r++)
2550         {
2551             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2552             if (!node) return start;
2553
2554             wxDataViewItem item = node->GetItem();
2555
2556             if (node && !node->HasChildren())
2557             {
2558                 // Yes, if the node does not have any child, it must be a leaf which
2559                 // mean that it is a temporarily created by GetTreeNodeByRow
2560                 wxDELETE(node);
2561             }
2562
2563             unsigned int cols = GetOwner()->GetColumnCount();
2564             unsigned int col;
2565             int height = m_lineHeight;
2566             for (col = 0; col < cols; col++)
2567             {
2568                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2569                 if (column->IsHidden())
2570                     continue;      // skip it!
2571
2572                 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2573                     continue;      // skip it!
2574
2575                 const wxDataViewRenderer *renderer = column->GetRenderer();
2576                 wxVariant value;
2577                 model->GetValue( value, item, column->GetModelColumn() );
2578                 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2579                 renderer2->SetValue( value );
2580                 height = wxMax( height, renderer->GetSize().y );
2581             }
2582
2583
2584             start += height;
2585         }
2586
2587         return start;
2588     }
2589     else
2590     {
2591         return row * m_lineHeight;
2592     }
2593 }
2594
2595 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2596 {
2597     const wxDataViewModel *model = GetOwner()->GetModel();
2598
2599     // check for the easy case first
2600     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2601         return y / m_lineHeight;
2602
2603     // TODO make more efficient
2604     unsigned int row = 0;
2605     unsigned int yy = 0;
2606     for (;;)
2607     {
2608     const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2609     if (!node)
2610     {
2611         // not really correct...
2612         return row + ((y-yy) / m_lineHeight);
2613     }
2614
2615     wxDataViewItem item = node->GetItem();
2616
2617         if (node && !node->HasChildren())
2618         {
2619             // Yes, if the node does not have any child, it must be a leaf which
2620             // mean that it is a temporarily created by GetTreeNodeByRow
2621             wxDELETE(node);
2622         }
2623
2624     unsigned int cols = GetOwner()->GetColumnCount();
2625     unsigned int col;
2626     int height = m_lineHeight;
2627     for (col = 0; col < cols; col++)
2628     {
2629             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2630             if (column->IsHidden())
2631                 continue;      // skip it!
2632
2633             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2634                 continue;      // skip it!
2635
2636             const wxDataViewRenderer *renderer = column->GetRenderer();
2637             wxVariant value;
2638             model->GetValue( value, item, column->GetModelColumn() );
2639             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2640             renderer2->SetValue( value );
2641             height = wxMax( height, renderer->GetSize().y );
2642     }
2643
2644     yy += height;
2645     if (y < yy)
2646         return row;
2647
2648     row++;
2649     }
2650 }
2651
2652 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2653 {
2654     const wxDataViewModel *model = GetOwner()->GetModel();
2655
2656     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2657     {
2658         wxASSERT( !IsVirtualList() );
2659
2660         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2661         // wxASSERT( node );
2662         if (!node) return m_lineHeight;
2663
2664         wxDataViewItem item = node->GetItem();
2665
2666         if (node && !node->HasChildren())
2667         {
2668                 // Yes, if the node does not have any child, it must be a leaf which
2669                 // mean that it is a temporarily created by GetTreeNodeByRow
2670             wxDELETE(node);
2671         }
2672
2673         int height = m_lineHeight;
2674
2675         unsigned int cols = GetOwner()->GetColumnCount();
2676         unsigned int col;
2677         for (col = 0; col < cols; col++)
2678         {
2679             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2680             if (column->IsHidden())
2681                 continue;      // skip it!
2682
2683             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2684                 continue;      // skip it!
2685
2686             const wxDataViewRenderer *renderer = column->GetRenderer();
2687             wxVariant value;
2688             model->GetValue( value, item, column->GetModelColumn() );
2689             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2690             renderer2->SetValue( value );
2691             height = wxMax( height, renderer->GetSize().y );
2692         }
2693
2694         return height;
2695     }
2696     else
2697     {
2698         return m_lineHeight;
2699     }
2700 }
2701
2702 class RowToItemJob: public DoJob
2703 {
2704 public:
2705     RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;}
2706     virtual ~RowToItemJob() { }
2707
2708     virtual int operator() ( wxDataViewTreeNode * node )
2709     {
2710         current ++;
2711         if( current == static_cast<int>(row))
2712         {
2713             ret = node->GetItem();
2714             return DoJob::OK;
2715         }
2716
2717         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2718         {
2719             current += node->GetSubTreeCount();
2720             return  DoJob::IGR;
2721         }
2722         else
2723         {
2724             //If the current has no child node, we can find the desired item of the row number directly.
2725             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2726             if( node->GetNodes().GetCount() == 0)
2727             {
2728                 int index = static_cast<int>(row) - current - 1;
2729                 ret = node->GetChildren().Item( index );
2730                 return DoJob::OK;
2731             }
2732             return DoJob::CONT;
2733         }
2734     }
2735
2736     virtual int operator() ( void * n )
2737     {
2738         current ++;
2739         if( current == static_cast<int>(row))
2740         {
2741             ret = wxDataViewItem( n );
2742             return DoJob::OK;
2743         }
2744         return DoJob::CONT;
2745     }
2746     wxDataViewItem GetResult(){ return ret; }
2747 private:
2748     unsigned int row;
2749     int current;
2750     wxDataViewItem ret;
2751 };
2752
2753 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2754 {
2755     if (!m_root)
2756     {
2757         return wxDataViewItem( wxUIntToPtr(row) );
2758     }
2759     else
2760     {
2761         RowToItemJob job( row, -2 );
2762         Walker( m_root , job );
2763         return job.GetResult();
2764     }
2765 }
2766
2767 class RowToTreeNodeJob: public DoJob
2768 {
2769 public:
2770     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2771     {
2772         this->row = row;
2773         this->current = current;
2774         ret = NULL;
2775         parent = node;
2776     }
2777     virtual ~RowToTreeNodeJob(){ }
2778
2779     virtual int operator() ( wxDataViewTreeNode * node )
2780     {
2781         current ++;
2782         if( current == static_cast<int>(row))
2783         {
2784             ret = node;
2785             return DoJob::OK;
2786         }
2787
2788         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2789         {
2790             current += node->GetSubTreeCount();
2791             return  DoJob::IGR;
2792         }
2793         else
2794         {
2795             parent = node;
2796             //If the current has no child node, we can find the desired item of the row number directly.
2797             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2798             if( node->GetNodes().GetCount() == 0)
2799             {
2800                 int index = static_cast<int>(row) - current - 1;
2801                 void * n = node->GetChildren().Item( index );
2802                 ret = new wxDataViewTreeNode( parent );
2803                 ret->SetItem( wxDataViewItem( n ));
2804                 ret->SetHasChildren(false);
2805                 return DoJob::OK;
2806             }
2807             return DoJob::CONT;
2808         }
2809
2810
2811     }
2812
2813     virtual int operator() ( void * n )
2814     {
2815         current ++;
2816         if( current == static_cast<int>(row))
2817         {
2818             ret = new wxDataViewTreeNode( parent );
2819             ret->SetItem( wxDataViewItem( n ));
2820             ret->SetHasChildren(false);
2821             return DoJob::OK;
2822         }
2823
2824         return DoJob::CONT;
2825     }
2826     wxDataViewTreeNode * GetResult(){ return ret; }
2827 private:
2828     unsigned int row;
2829     int current;
2830     wxDataViewTreeNode * ret;
2831     wxDataViewTreeNode * parent;
2832 };
2833
2834
2835 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2836 {
2837     wxASSERT( !IsVirtualList() );
2838
2839     RowToTreeNodeJob job( row , -2, m_root );
2840     Walker( m_root , job );
2841     return job.GetResult();
2842 }
2843
2844 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2845 {
2846     wxWindow *parent = GetParent();
2847     wxDataViewEvent le(type, parent->GetId());
2848
2849     le.SetEventObject(parent);
2850     le.SetModel(GetOwner()->GetModel());
2851     le.SetItem( item );
2852
2853     parent->GetEventHandler()->ProcessEvent(le);
2854     return le;
2855 }
2856
2857
2858 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2859 {
2860     if (IsVirtualList())
2861     return false;
2862
2863     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2864     if (!node)
2865     return false;
2866
2867     if (!node->HasChildren())
2868     {
2869     delete node;
2870     return false;
2871     }
2872
2873     return node->IsOpen();
2874 }
2875
2876
2877 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2878 {
2879     if (IsVirtualList())
2880     return;
2881
2882     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2883     if( node != NULL )
2884     {
2885         if( node->HasChildren())
2886         {
2887             if( !node->IsOpen())
2888             {
2889             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2890             //Check if the user prevent expanding
2891             if( e.GetSkipped() )
2892                     return;
2893
2894             node->ToggleOpen();
2895             //Here I build the children of current node
2896             if( node->GetChildrenNumber() == 0 )
2897             {
2898                 SortPrepare();
2899                 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2900             }
2901
2902             // By expanding the node all row indices that are currently in the selection list
2903             // and are greater than our node have become invalid. So we have to correct that now.
2904             const unsigned rowAdjustment = node->GetSubTreeCount();
2905             for(unsigned i=0; i<m_selection.size(); ++i)
2906             {
2907                 const unsigned testRow = m_selection[i];
2908                 // all rows above us are not affected, so skip them
2909                 if(testRow <= row)
2910                     continue;
2911
2912                 m_selection[i] += rowAdjustment;
2913             }
2914
2915             if(m_currentRow > row)
2916                 ChangeCurrentRow(m_currentRow + rowAdjustment);
2917
2918             m_count = -1;
2919             UpdateDisplay();
2920             //Send the expanded event
2921             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2922             }
2923             else
2924             {
2925                 SelectRow( row, false );
2926                 SelectRow( row + 1, true );
2927                 ChangeCurrentRow( row + 1 );
2928                 SendSelectionChangedEvent( GetItemByRow(row+1));
2929             }
2930         }
2931         else
2932             delete node;
2933     }
2934 }
2935
2936 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2937 {
2938     if (IsVirtualList())
2939     return;
2940
2941     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2942     if( node != NULL )
2943     {
2944         wxDataViewTreeNode * nd = node;
2945
2946         if( node->HasChildren() && node->IsOpen() )
2947         {
2948             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2949             if( e.GetSkipped() )
2950                 return;
2951
2952             // Find out if there are selected items below the current node.
2953             bool selectCollapsingRow = false;
2954             const unsigned rowAdjustment = node->GetSubTreeCount();
2955             unsigned maxRowToBeTested = row + rowAdjustment;
2956             for(unsigned i=0; i<m_selection.size(); ++i)
2957             {
2958                 const unsigned testRow = m_selection[i];
2959                 if(testRow > row && testRow <= maxRowToBeTested)
2960                 {
2961                     selectCollapsingRow = true;
2962                     // get out as soon as we have found a node that is selected
2963                     break;
2964                 }
2965             }
2966
2967             node->ToggleOpen();
2968
2969             // If the node to be closed has selected items the user won't see those any longer.
2970             // We select the collapsing node in this case.
2971             if(selectCollapsingRow)
2972             {
2973                 SelectAllRows(false);
2974                 ChangeCurrentRow(row);
2975                 SelectRow(row, true);
2976                 SendSelectionChangedEvent(GetItemByRow(row));
2977             }
2978             else
2979             {
2980                 // if there were no selected items below our node we still need to "fix" the
2981                 // selection list to adjust for the changing of the row indices.
2982                 // We actually do the opposite of what we are doing in OnExpanding().
2983                 for(unsigned i=0; i<m_selection.size(); ++i)
2984                 {
2985                     const unsigned testRow = m_selection[i];
2986                     // all rows above us are not affected, so skip them
2987                     if(testRow <= row)
2988                         continue;
2989
2990                     m_selection[i] -= rowAdjustment;
2991                 }
2992
2993                 // if the "current row" is being collapsed away we change it to the current row ;-)
2994                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2995                     ChangeCurrentRow(row);
2996                 else if(m_currentRow > row)
2997                     ChangeCurrentRow(m_currentRow - rowAdjustment);
2998             }
2999
3000             m_count = -1;
3001             UpdateDisplay();
3002             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3003         }
3004         else
3005         {
3006             node = node->GetParent();
3007             if( node != NULL )
3008             {
3009                 int  parent = GetRowByItem( node->GetItem() );
3010                 if( parent >= 0 )
3011                 {
3012                     SelectRow( row, false);
3013                     SelectRow(parent , true );
3014                     ChangeCurrentRow( parent );
3015                     SendSelectionChangedEvent( node->GetItem() );
3016                 }
3017             }
3018         }
3019         if( !nd->HasChildren())
3020             delete nd;
3021     }
3022 }
3023
3024 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3025 {
3026     wxDataViewModel * model = GetOwner()->GetModel();
3027     if( model == NULL )
3028         return NULL;
3029
3030     if (!item.IsOk())
3031         return m_root;
3032
3033     //Compose the a parent-chain of the finding item
3034     ItemList list;
3035     list.DeleteContents( true );
3036     wxDataViewItem it( item );
3037     while( it.IsOk() )
3038     {
3039         wxDataViewItem * pItem = new wxDataViewItem( it );
3040         list.Insert( pItem );
3041         it = model->GetParent( it );
3042     }
3043
3044     //Find the item along the parent-chain.
3045     //This algorithm is designed to speed up the node-finding method
3046     wxDataViewTreeNode * node = m_root;
3047     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3048     {
3049         if( node->HasChildren() )
3050         {
3051             if( node->GetChildrenNumber() == 0 )
3052             {
3053                 SortPrepare();
3054                 ::BuildTreeHelper(model, node->GetItem(), node);
3055             }
3056
3057             wxDataViewTreeNodes nodes = node->GetNodes();
3058             unsigned int i;
3059             bool found = false;
3060
3061             for (i = 0; i < nodes.GetCount(); i ++)
3062             {
3063                 if (nodes[i]->GetItem() == (**iter))
3064                 {
3065                     if (nodes[i]->GetItem() == item)
3066                     return nodes[i];
3067
3068                     node = nodes[i];
3069                     found = true;
3070                     break;
3071                 }
3072             }
3073             if (!found)
3074                 return NULL;
3075         }
3076         else
3077             return NULL;
3078     }
3079     return NULL;
3080 }
3081
3082 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3083 {
3084     wxDataViewColumn *col = NULL;
3085     unsigned int cols = GetOwner()->GetColumnCount();
3086     unsigned int colnum = 0;
3087     int x, y;
3088     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3089     for (unsigned x_start = 0; colnum < cols; colnum++)
3090     {
3091         col = GetOwner()->GetColumnAt(colnum);
3092         if (col->IsHidden())
3093             continue;      // skip it!
3094
3095         unsigned int w = col->GetWidth();
3096         if (x_start+w >= (unsigned int)x)
3097             break;
3098
3099         x_start += w;
3100     }
3101
3102     column = col;
3103     item = GetItemByRow( GetLineAt( y ) );
3104 }
3105
3106 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3107 {
3108     int row = GetRowByItem(item);
3109     int y = GetLineStart( row );
3110     int h = GetLineHeight( m_lineHeight );
3111     int x = 0;
3112     wxDataViewColumn *col = NULL;
3113     for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3114     {
3115     col = GetOwner()->GetColumnAt( i );
3116     x += col->GetWidth();
3117     if( GetOwner()->GetColumnAt(i+1) == column )
3118         break;
3119     }
3120     int w = col->GetWidth();
3121     m_owner->CalcScrolledPosition( x, y, &x, &y );
3122     return wxRect(x, y, w, h);
3123 }
3124
3125 int wxDataViewMainWindow::RecalculateCount()
3126 {
3127     if (!m_root)
3128     {
3129         wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3130 #ifndef __WXMAC__
3131         return list_model->GetLastIndex() + 1;
3132 #else
3133         return list_model->GetLastIndex() - 1;
3134 #endif
3135     }
3136     else
3137     {
3138         return m_root->GetSubTreeCount();
3139     }
3140 }
3141
3142 class ItemToRowJob : public DoJob
3143 {
3144 public:
3145     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3146         : m_iter(iter),
3147         item(item_)
3148     {
3149         ret = -1;
3150     }
3151
3152     //Maybe binary search will help to speed up this process
3153     virtual int operator() ( wxDataViewTreeNode * node)
3154     {
3155         ret ++;
3156         if( node->GetItem() == item )
3157         {
3158             return DoJob::OK;
3159         }
3160
3161         if( node->GetItem() == **m_iter )
3162         {
3163             m_iter++;
3164             return DoJob::CONT;
3165         }
3166         else
3167         {
3168             ret += node->GetSubTreeCount();
3169             return DoJob::IGR;
3170         }
3171
3172     }
3173
3174     virtual int operator() ( void * n )
3175     {
3176         ret ++;
3177         if( n == item.GetID() )
3178             return DoJob::OK;
3179         return DoJob::CONT;
3180     }
3181     //the row number is begin from zero
3182     int GetResult() { return ret -1; }
3183
3184 private:
3185     ItemList::const_iterator  m_iter;
3186     wxDataViewItem item;
3187     int ret;
3188
3189 };
3190
3191 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3192 {
3193     const wxDataViewModel * model = GetOwner()->GetModel();
3194     if( model == NULL )
3195         return -1;
3196
3197     if (!m_root)
3198     {
3199         return wxPtrToUInt( item.GetID() );
3200     }
3201     else
3202     {
3203         if( !item.IsOk() )
3204             return -1;
3205
3206         //Compose the a parent-chain of the finding item
3207         ItemList list;
3208         wxDataViewItem * pItem;
3209         list.DeleteContents( true );
3210         wxDataViewItem it( item );
3211         while( it.IsOk() )
3212         {
3213             pItem = new wxDataViewItem( it );
3214             list.Insert( pItem );
3215             it = model->GetParent( it );
3216         }
3217         pItem = new wxDataViewItem( );
3218         list.Insert( pItem );
3219
3220         ItemToRowJob job( item, list.begin() );
3221         Walker(m_root , job );
3222         return job.GetResult();
3223     }
3224 }
3225
3226 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
3227 {
3228     if( !model->IsContainer( item ) )
3229         return;
3230
3231     wxDataViewItemArray children;
3232     unsigned int num = model->GetChildren( item, children);
3233
3234     unsigned int index = 0;
3235     while( index < num )
3236     {
3237         if( model->IsContainer( children[index] ) )
3238         {
3239             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3240             n->SetItem(children[index]);
3241             n->SetHasChildren( true );
3242             node->AddNode( n );
3243         }
3244         else
3245         {
3246             node->AddLeaf( children[index].GetID() );
3247         }
3248         index ++;
3249     }
3250     node->SetSubTreeCount( num );
3251     wxDataViewTreeNode * n = node->GetParent();
3252     if( n != NULL)
3253         n->ChangeSubTreeCount(num);
3254
3255 }
3256
3257 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3258 {
3259     DestroyTree();
3260
3261     if (GetOwner()->GetModel()->IsVirtualListModel())
3262     {
3263         m_count = -1;
3264         return;
3265     }
3266
3267     m_root = new wxDataViewTreeNode( NULL );
3268     m_root->SetHasChildren(true);
3269
3270     //First we define a invalid item to fetch the top-level elements
3271     wxDataViewItem item;
3272     SortPrepare();
3273     BuildTreeHelper( model, item, m_root);
3274     m_count = -1;
3275 }
3276
3277 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3278 {
3279     if( node->GetNodeNumber() != 0 )
3280     {
3281         int len = node->GetNodeNumber();
3282         int i = 0;
3283         wxDataViewTreeNodes& nodes = node->GetNodes();
3284         for(; i < len; i ++ )
3285         {
3286             DestroyTreeHelper(nodes[i]);
3287         }
3288     }
3289     delete node;
3290 }
3291
3292 void wxDataViewMainWindow::DestroyTree()
3293 {
3294     if (!IsVirtualList())
3295     {
3296     ::DestroyTreeHelper(m_root);
3297         m_count = 0;
3298         m_root = NULL;
3299     }
3300 }
3301
3302 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3303 {
3304     if ( GetParent()->HandleAsNavigationKey(event) )
3305         return;
3306
3307     // no item -> nothing to do
3308     if (!HasCurrentRow())
3309     {
3310         event.Skip();
3311         return;
3312     }
3313
3314     // don't use m_linesPerPage directly as it might not be computed yet
3315     const int pageSize = GetCountPerPage();
3316     wxCHECK_RET( pageSize, _T("should have non zero page size") );
3317
3318     switch ( event.GetKeyCode() )
3319     {
3320         case WXK_RETURN:
3321         {
3322             if (m_currentRow >= 0)
3323             {
3324                 wxWindow *parent = GetParent();
3325                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3326                 le.SetItem( GetItemByRow(m_currentRow) );
3327                 le.SetEventObject(parent);
3328                 le.SetModel(GetOwner()->GetModel());
3329
3330                 parent->GetEventHandler()->ProcessEvent(le);
3331             }
3332             break;
3333         }
3334         case WXK_UP:
3335             if ( m_currentRow > 0 )
3336                 OnArrowChar( m_currentRow - 1, event );
3337             break;
3338
3339         case WXK_DOWN:
3340             if ( m_currentRow < GetRowCount() - 1 )
3341                 OnArrowChar( m_currentRow + 1, event );
3342             break;
3343         //Add the process for tree expanding/collapsing
3344         case WXK_LEFT:
3345         OnCollapsing(m_currentRow);
3346         break;
3347     case WXK_RIGHT:
3348         OnExpanding( m_currentRow);
3349         break;
3350         case WXK_END:
3351             if (!IsEmpty())
3352                 OnArrowChar( GetRowCount() - 1, event );
3353             break;
3354
3355         case WXK_HOME:
3356             if (!IsEmpty())
3357                 OnArrowChar( 0, event );
3358             break;
3359
3360         case WXK_PAGEUP:
3361             {
3362                 int steps = pageSize - 1;
3363                 int index = m_currentRow - steps;
3364                 if (index < 0)
3365                     index = 0;
3366
3367                 OnArrowChar( index, event );
3368             }
3369             break;
3370
3371         case WXK_PAGEDOWN:
3372             {
3373                 int steps = pageSize - 1;
3374                 unsigned int index = m_currentRow + steps;
3375                 unsigned int count = GetRowCount();
3376                 if ( index >= count )
3377                     index = count - 1;
3378
3379                 OnArrowChar( index, event );
3380             }
3381             break;
3382
3383         default:
3384             event.Skip();
3385     }
3386 }
3387
3388 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3389 {
3390     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3391     {
3392         // let the base handle mouse wheel events.
3393         event.Skip();
3394         return;
3395     }
3396
3397     int x = event.GetX();
3398     int y = event.GetY();
3399     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3400     wxDataViewColumn *col = NULL;
3401
3402     int xpos = 0;
3403     unsigned int cols = GetOwner()->GetColumnCount();
3404     unsigned int i;
3405     for (i = 0; i < cols; i++)
3406     {
3407         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3408         if (c->IsHidden())
3409             continue;      // skip it!
3410
3411         if (x < xpos + c->GetWidth())
3412         {
3413             col = c;
3414             break;
3415         }
3416         xpos += c->GetWidth();
3417     }
3418     if (!col)
3419         return;
3420
3421     wxDataViewRenderer *cell = col->GetRenderer();
3422     unsigned int current = GetLineAt( y );
3423     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3424     {
3425         // Unselect all if below the last row ?
3426         return;
3427     }
3428
3429     //Test whether the mouse is hovered on the tree item button
3430     bool hoverOverExpander = false;
3431     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3432     {
3433         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3434         if( node!=NULL && node->HasChildren() )
3435         {
3436             int indent = node->GetIndentLevel();
3437             indent = GetOwner()->GetIndent()*indent;
3438
3439             // we make the rectangle we are looking in a bit bigger than the actual
3440             // visual expander so the user can hit that little thing reliably
3441             wxRect rect( xpos + indent,
3442                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3443                         m_lineHeight, m_lineHeight);
3444             if( rect.Contains(x, y) )
3445             {
3446                 //So the mouse is over the expander
3447                 hoverOverExpander = true;
3448                 if (m_underMouse && m_underMouse != node)
3449                 {
3450                     //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3451                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3452                 }
3453                 if (m_underMouse != node)
3454                 {
3455                     //wxLogMessage("Do the row: %d", current);
3456                     RefreshRow(current);
3457                 }
3458                 m_underMouse = node;
3459             }
3460         }
3461         if (node!=NULL && !node->HasChildren())
3462             delete node;
3463     }
3464     if (!hoverOverExpander)
3465     {
3466         if (m_underMouse != NULL)
3467         {
3468             //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3469             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3470             m_underMouse = NULL;
3471         }
3472     }
3473
3474     wxDataViewModel *model = GetOwner()->GetModel();
3475
3476 #if wxUSE_DRAG_AND_DROP
3477     if (event.Dragging())
3478     {
3479         if (m_dragCount == 0)
3480         {
3481             // we have to report the raw, physical coords as we want to be
3482             // able to call HitTest(event.m_pointDrag) from the user code to
3483             // get the item being dragged
3484             m_dragStart = event.GetPosition();
3485         }
3486
3487         m_dragCount++;
3488
3489         if (m_dragCount != 3)
3490             return;
3491
3492         if (event.LeftIsDown())
3493         {
3494             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y, &m_dragStart.x, &m_dragStart.y );
3495             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3496             wxDataViewItem item = GetItemByRow( drag_item_row );
3497
3498             // Notify cell about drag
3499             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3500             event.SetEventObject( m_owner );
3501             event.SetItem( item );
3502             event.SetModel( model );
3503             if (!m_owner->HandleWindowEvent( event ))
3504                 return;
3505
3506             if (!event.IsAllowed())
3507                 return;
3508
3509             wxDataObject *obj = event.GetDataObject();
3510             if (!obj)
3511                 return;
3512
3513             wxDataViewDropSource drag( this, drag_item_row );
3514             drag.SetData( *obj );
3515             /* wxDragResult res = */ drag.DoDragDrop();
3516             delete obj;
3517         }
3518         return;
3519     }
3520     else
3521     {
3522         m_dragCount = 0;
3523     }
3524 #endif // wxUSE_DRAG_AND_DROP
3525
3526     bool simulateClick = false;
3527
3528     if (event.ButtonDClick())
3529     {
3530         m_renameTimer->Stop();
3531         m_lastOnSame = false;
3532     }
3533
3534     wxDataViewItem item = GetItemByRow(current);
3535     bool ignore_other_columns =
3536         ((GetOwner()->GetExpanderColumn() != col) &&
3537         (model->IsContainer(item)) &&
3538         (!model->HasContainerColumns(item)));
3539
3540     if (event.LeftDClick())
3541     {
3542         if(hoverOverExpander)
3543         {
3544             // a double click on the expander will be converted into a "simulated" normal click
3545             simulateClick = true;
3546         }
3547         else if ( current == m_lineLastClicked )
3548         {
3549             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3550             {
3551                 wxVariant value;
3552                 model->GetValue( value, item, col->GetModelColumn() );
3553                 cell->SetValue( value );
3554                 wxRect cell_rect( xpos, GetLineStart( current ),
3555                                 col->GetWidth(), GetLineHeight( current ) );
3556                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3557
3558             }
3559             else
3560             {
3561                 wxWindow *parent = GetParent();
3562                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3563                 le.SetItem( item );
3564                 le.SetEventObject(parent);
3565                 le.SetModel(GetOwner()->GetModel());
3566
3567                 parent->GetEventHandler()->ProcessEvent(le);
3568             }
3569             return;
3570         }
3571         else
3572         {
3573             // The first click was on another item, so don't interpret this as
3574             // a double click, but as a simple click instead
3575             simulateClick = true;
3576         }
3577     }
3578
3579     if (event.LeftUp() && !hoverOverExpander)
3580     {
3581         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3582         {
3583             // select single line
3584             SelectAllRows( false );
3585             SelectRow( m_lineSelectSingleOnUp, true );
3586             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3587         }
3588
3589         //If the user click the expander, we do not do editing even if the column with expander are editable
3590         if (m_lastOnSame && !ignore_other_columns)
3591         {
3592             if ((col == m_currentCol) && (current == m_currentRow) &&
3593                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3594             {
3595                 m_renameTimer->Start( 100, true );
3596             }
3597         }
3598
3599         m_lastOnSame = false;
3600         m_lineSelectSingleOnUp = (unsigned int)-1;
3601     }
3602     else if(!event.LeftUp())
3603     {
3604         // This is necessary, because after a DnD operation in
3605         // from and to ourself, the up event is swallowed by the
3606         // DnD code. So on next non-up event (which means here and
3607         // now) m_lineSelectSingleOnUp should be reset.
3608         m_lineSelectSingleOnUp = (unsigned int)-1;
3609     }
3610
3611     if (event.RightDown())
3612     {
3613         m_lineBeforeLastClicked = m_lineLastClicked;
3614         m_lineLastClicked = current;
3615
3616         // If the item is already selected, do not update the selection.
3617         // Multi-selections should not be cleared if a selected item is clicked.
3618         if (!IsRowSelected(current))
3619         {
3620             SelectAllRows(false);
3621             ChangeCurrentRow(current);
3622             SelectRow(m_currentRow,true);
3623             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3624         }
3625
3626         wxVariant value;
3627         model->GetValue( value, item, col->GetModelColumn() );
3628         wxWindow *parent = GetParent();
3629         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3630         le.SetItem( item );
3631         le.SetEventObject(parent);
3632         le.SetModel(GetOwner()->GetModel());
3633         le.SetValue(value);
3634         parent->GetEventHandler()->ProcessEvent(le);
3635     }
3636     else if (event.MiddleDown())
3637     {
3638     }
3639
3640     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3641     {
3642         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3643         // hoverOverExpander being true tells us that our node must be valid and have children.
3644         // So we don't need any extra checks.
3645         if( node->IsOpen() )
3646             OnCollapsing(current);
3647         else
3648             OnExpanding(current);
3649     }
3650     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3651     {
3652         SetFocus();
3653
3654         m_lineBeforeLastClicked = m_lineLastClicked;
3655         m_lineLastClicked = current;
3656
3657         unsigned int oldCurrentRow = m_currentRow;
3658         bool oldWasSelected = IsRowSelected(m_currentRow);
3659
3660         bool cmdModifierDown = event.CmdDown();
3661         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3662         {
3663             if ( IsSingleSel() || !IsRowSelected(current) )
3664             {
3665                 SelectAllRows( false );
3666                 ChangeCurrentRow(current);
3667                 SelectRow(m_currentRow,true);
3668                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3669             }
3670             else // multi sel & current is highlighted & no mod keys
3671             {
3672                 m_lineSelectSingleOnUp = current;
3673                 ChangeCurrentRow(current); // change focus
3674             }
3675         }
3676         else // multi sel & either ctrl or shift is down
3677         {
3678             if (cmdModifierDown)
3679             {
3680                 ChangeCurrentRow(current);
3681                 ReverseRowSelection(m_currentRow);
3682                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3683             }
3684             else if (event.ShiftDown())
3685             {
3686                 ChangeCurrentRow(current);
3687
3688                 unsigned int lineFrom = oldCurrentRow,
3689                     lineTo = current;
3690
3691                 if ( lineTo < lineFrom )
3692                 {
3693                     lineTo = lineFrom;
3694                     lineFrom = m_currentRow;
3695                 }
3696
3697                 SelectRows(lineFrom, lineTo, true);
3698                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3699             }
3700             else // !ctrl, !shift
3701             {
3702                 // test in the enclosing if should make it impossible
3703                 wxFAIL_MSG( _T("how did we get here?") );
3704             }
3705         }
3706
3707         if (m_currentRow != oldCurrentRow)
3708             RefreshRow( oldCurrentRow );
3709
3710         wxDataViewColumn *oldCurrentCol = m_currentCol;
3711
3712         // Update selection here...
3713         m_currentCol = col;
3714
3715         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3716                         (current == oldCurrentRow)) && oldWasSelected;
3717
3718         // Call LeftClick after everything else as under GTK+
3719         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3720         {
3721             // notify cell about right click
3722             wxVariant value;
3723             model->GetValue( value, item, col->GetModelColumn() );
3724             cell->SetValue( value );
3725             wxRect cell_rect( xpos, GetLineStart( current ),
3726                         col->GetWidth(), GetLineHeight( current ) );
3727             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3728         }
3729     }
3730 }
3731
3732 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3733 {
3734     m_hasFocus = true;
3735
3736     if (HasCurrentRow())
3737         Refresh();
3738
3739     event.Skip();
3740 }
3741
3742 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3743 {
3744     m_hasFocus = false;
3745
3746     if (HasCurrentRow())
3747         Refresh();
3748
3749     event.Skip();
3750 }
3751
3752 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3753 {
3754     if( m_selection.GetCount() != 1 )
3755         return wxDataViewItem();
3756
3757     return GetItemByRow( m_selection.Item(0));
3758 }
3759
3760 //-----------------------------------------------------------------------------
3761 // wxDataViewCtrl
3762 //-----------------------------------------------------------------------------
3763 WX_DEFINE_LIST(wxDataViewColumnList)
3764
3765 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3766
3767 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3768     EVT_SIZE(wxDataViewCtrl::OnSize)
3769 END_EVENT_TABLE()
3770
3771 wxDataViewCtrl::~wxDataViewCtrl()
3772 {
3773     if (m_notifier)
3774         GetModel()->RemoveNotifier( m_notifier );
3775
3776     m_cols.Clear();
3777 }
3778
3779 void wxDataViewCtrl::Init()
3780 {
3781     m_cols.DeleteContents(true);
3782     m_notifier = NULL;
3783
3784     // No sorting column at start
3785     m_sortingColumnIdx = wxNOT_FOUND;
3786
3787     m_headerArea = NULL;
3788 }
3789
3790 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3791         const wxPoint& pos, const wxSize& size,
3792         long style, const wxValidator& validator )
3793 {
3794 //    if ( (style & wxBORDER_MASK) == 0)
3795 //        style |= wxBORDER_SUNKEN;
3796
3797     Init();
3798
3799     if (!wxControl::Create( parent, id, pos, size,
3800                             style | wxScrolledWindowStyle, validator))
3801         return false;
3802
3803     SetInitialSize(size);
3804
3805 #ifdef __WXMAC__
3806     MacSetClipChildren( true );
3807 #endif
3808
3809     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3810
3811     if (HasFlag(wxDV_NO_HEADER))
3812         m_headerArea = NULL;
3813     else
3814         m_headerArea = new wxDataViewHeaderWindow(this);
3815
3816     SetTargetWindow( m_clientArea );
3817
3818     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3819     if (m_headerArea)
3820         sizer->Add( m_headerArea, 0, wxGROW );
3821     sizer->Add( m_clientArea, 1, wxGROW );
3822     SetSizer( sizer );
3823
3824     return true;
3825 }
3826
3827 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3828 {
3829     return wxBORDER_THEME;
3830 }
3831
3832 #ifdef __WXMSW__
3833 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3834                                     WXWPARAM wParam,
3835                                     WXLPARAM lParam)
3836 {
3837     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3838
3839 #ifndef __WXWINCE__
3840     // we need to process arrows ourselves for scrolling
3841     if ( nMsg == WM_GETDLGCODE )
3842     {
3843         rc |= DLGC_WANTARROWS;
3844     }
3845 #endif
3846
3847     return rc;
3848 }
3849 #endif
3850
3851 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3852 {
3853     wxSize newsize = size;
3854     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3855     newsize.y -= m_headerArea->GetSize().y;
3856
3857     return newsize;
3858 }
3859
3860 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3861 {
3862     // We need to override OnSize so that our scrolled
3863     // window a) does call Layout() to use sizers for
3864     // positioning the controls but b) does not query
3865     // the sizer for their size and use that for setting
3866     // the scrollable area as set that ourselves by
3867     // calling SetScrollbar() further down.
3868
3869     Layout();
3870
3871     AdjustScrollbars();
3872 }
3873
3874 void wxDataViewCtrl::SetFocus()
3875 {
3876     if (m_clientArea)
3877         m_clientArea->SetFocus();
3878 }
3879
3880 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3881 {
3882     if (!wxDataViewCtrlBase::AssociateModel( model ))
3883         return false;
3884
3885     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3886
3887     model->AddNotifier( m_notifier );
3888
3889     m_clientArea->DestroyTree();
3890
3891     m_clientArea->BuildTree(model);
3892
3893     m_clientArea->UpdateDisplay();
3894
3895     return true;
3896 }
3897
3898 #if wxUSE_DRAG_AND_DROP
3899
3900 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3901 {
3902     return m_clientArea->EnableDragSource( format );
3903 }
3904
3905 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3906 {
3907     return m_clientArea->EnableDropTarget( format );
3908 }
3909
3910 #endif // wxUSE_DRAG_AND_DROP
3911
3912 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3913 {
3914     if (!wxDataViewCtrlBase::AppendColumn(col))
3915         return false;
3916
3917     m_cols.Append( col );
3918     OnColumnsCountChanged();
3919     return true;
3920 }
3921
3922 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3923 {
3924     if (!wxDataViewCtrlBase::PrependColumn(col))
3925         return false;
3926
3927     m_cols.Insert( col );
3928     OnColumnsCountChanged();
3929     return true;
3930 }
3931
3932 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3933 {
3934     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3935         return false;
3936
3937     m_cols.Insert( pos, col );
3938     OnColumnsCountChanged();
3939     return true;
3940 }
3941
3942 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3943 {
3944     if ( m_headerArea )
3945         m_headerArea->UpdateColumn(idx);
3946
3947     m_clientArea->UpdateDisplay();
3948 }
3949
3950 void wxDataViewCtrl::OnColumnsCountChanged()
3951 {
3952     if (m_headerArea)
3953         m_headerArea->SetColumnCount(GetColumnCount());
3954
3955     m_clientArea->UpdateDisplay();
3956 }
3957
3958 void wxDataViewCtrl::DoSetExpanderColumn()
3959 {
3960     m_clientArea->UpdateDisplay();
3961 }
3962
3963 void wxDataViewCtrl::DoSetIndent()
3964 {
3965     m_clientArea->UpdateDisplay();
3966 }
3967
3968 unsigned int wxDataViewCtrl::GetColumnCount() const
3969 {
3970     return m_cols.GetCount();
3971 }
3972
3973 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3974 {
3975     return m_cols[idx];
3976 }
3977
3978 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3979 {
3980     // columns can't be reordered if there is no header window which allows
3981     // to do this
3982     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
3983                                     : pos;
3984
3985     return GetColumn(idx);
3986 }
3987
3988 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
3989 {
3990     const unsigned count = m_cols.size();
3991     for ( unsigned n = 0; n < count; n++ )
3992     {
3993         if ( m_cols[n] == column )
3994             return n;
3995     }
3996
3997     return wxNOT_FOUND;
3998 }
3999
4000 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4001                                 unsigned int WXUNUSED(new_pos))
4002 {
4003     // do _not_ reorder m_cols elements here, they should always be in the
4004     // order in which columns were added, we only display the columns in
4005     // different order
4006     m_clientArea->UpdateDisplay();
4007 }
4008
4009 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4010 {
4011     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4012     if (!ret)
4013         return false;
4014
4015     m_cols.Erase(ret);
4016     OnColumnsCountChanged();
4017
4018     return true;
4019 }
4020
4021 bool wxDataViewCtrl::ClearColumns()
4022 {
4023     m_cols.Clear();
4024     OnColumnsCountChanged();
4025     return true;
4026 }
4027
4028 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4029 {
4030     int ret = 0,
4031         dummy = 0;
4032     unsigned int len = GetColumnCount();
4033     for ( unsigned int i = 0; i < len; i++ )
4034     {
4035         wxDataViewColumn * col = GetColumnAt(i);
4036         if (col->IsHidden())
4037             continue;
4038         ret += col->GetWidth();
4039         if (column==col)
4040         {
4041             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4042             break;
4043         }
4044     }
4045     return ret;
4046 }
4047
4048 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4049 {
4050     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4051                                             : GetColumn(m_sortingColumnIdx);
4052 }
4053
4054 //Selection code with wxDataViewItem as parameters
4055 wxDataViewItem wxDataViewCtrl::GetSelection() const
4056 {
4057     return m_clientArea->GetSelection();
4058 }
4059
4060 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4061 {
4062     sel.Empty();
4063     wxDataViewSelection selection = m_clientArea->GetSelections();
4064     int len = selection.GetCount();
4065     for( int i = 0; i < len; i ++)
4066     {
4067         unsigned int row = selection[i];
4068         sel.Add( m_clientArea->GetItemByRow( row ) );
4069     }
4070     return len;
4071 }
4072
4073 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4074 {
4075     wxDataViewSelection selection(wxDataViewSelectionCmp);
4076
4077     wxDataViewItem last_parent;
4078
4079     int len = sel.GetCount();
4080     for( int i = 0; i < len; i ++ )
4081     {
4082         wxDataViewItem item = sel[i];
4083         wxDataViewItem parent = GetModel()->GetParent( item );
4084         if (parent)
4085         {
4086             if (parent != last_parent)
4087                 ExpandAncestors(item);
4088         }
4089
4090         last_parent = parent;
4091         int row = m_clientArea->GetRowByItem( item );
4092         if( row >= 0 )
4093             selection.Add( static_cast<unsigned int>(row) );
4094     }
4095
4096     m_clientArea->SetSelections( selection );
4097 }
4098
4099 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4100 {
4101     ExpandAncestors( item );
4102
4103     int row = m_clientArea->GetRowByItem( item );
4104     if( row >= 0 )
4105     {
4106         //Unselect all rows before select another in the single select mode
4107         if (m_clientArea->IsSingleSel())
4108             m_clientArea->SelectAllRows(false);
4109         m_clientArea->SelectRow(row, true);
4110     }
4111 }
4112
4113 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4114 {
4115     int row = m_clientArea->GetRowByItem( item );
4116     if( row >= 0 )
4117         m_clientArea->SelectRow(row, false);
4118 }
4119
4120 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4121 {
4122     int row = m_clientArea->GetRowByItem( item );
4123     if( row >= 0 )
4124     {
4125         return m_clientArea->IsRowSelected(row);
4126     }
4127     return false;
4128 }
4129
4130 //Selection code with row number as parameter
4131 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4132 {
4133     sel.Empty();
4134     wxDataViewSelection selection = m_clientArea->GetSelections();
4135     int len = selection.GetCount();
4136     for( int i = 0; i < len; i ++)
4137     {
4138         unsigned int row = selection[i];
4139         sel.Add( row );
4140     }
4141     return len;
4142 }
4143
4144 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4145 {
4146     wxDataViewSelection selection(wxDataViewSelectionCmp);
4147     int len = sel.GetCount();
4148     for( int i = 0; i < len; i ++ )
4149     {
4150         int row = sel[i];
4151         if( row >= 0 )
4152             selection.Add( static_cast<unsigned int>(row) );
4153     }
4154     m_clientArea->SetSelections( selection );
4155 }
4156
4157 void wxDataViewCtrl::Select( int row )
4158 {
4159     if( row >= 0 )
4160     {
4161         if (m_clientArea->IsSingleSel())
4162             m_clientArea->SelectAllRows(false);
4163         m_clientArea->SelectRow( row, true );
4164     }
4165 }
4166
4167 void wxDataViewCtrl::Unselect( int row )
4168 {
4169     if( row >= 0 )
4170         m_clientArea->SelectRow(row, false);
4171 }
4172
4173 bool wxDataViewCtrl::IsSelected( int row ) const
4174 {
4175     if( row >= 0 )
4176         return m_clientArea->IsRowSelected(row);
4177     return false;
4178 }
4179
4180 void wxDataViewCtrl::SelectRange( int from, int to )
4181 {
4182     wxArrayInt sel;
4183     for( int i = from; i < to; i ++ )
4184         sel.Add( i );
4185     m_clientArea->Select(sel);
4186 }
4187
4188 void wxDataViewCtrl::UnselectRange( int from, int to )
4189 {
4190     wxDataViewSelection sel = m_clientArea->GetSelections();
4191     for( int i = from; i < to; i ++ )
4192         if( sel.Index( i ) != wxNOT_FOUND )
4193             sel.Remove( i );
4194     m_clientArea->SetSelections(sel);
4195 }
4196
4197 void wxDataViewCtrl::SelectAll()
4198 {
4199     m_clientArea->SelectAllRows(true);
4200 }
4201
4202 void wxDataViewCtrl::UnselectAll()
4203 {
4204     m_clientArea->SelectAllRows(false);
4205 }
4206
4207 void wxDataViewCtrl::EnsureVisible( int row, int column )
4208 {
4209     if( row < 0 )
4210         row = 0;
4211     if( row > (int) m_clientArea->GetRowCount() )
4212         row = m_clientArea->GetRowCount();
4213
4214     int first = m_clientArea->GetFirstVisibleRow();
4215     int last = m_clientArea->GetLastVisibleRow();
4216     if( row < first )
4217         m_clientArea->ScrollTo( row, column );
4218     else if( row > last )
4219         m_clientArea->ScrollTo( row - last + first, column );
4220     else
4221         m_clientArea->ScrollTo( first, column );
4222 }
4223
4224 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4225 {
4226     ExpandAncestors( item );
4227
4228     m_clientArea->RecalculateDisplay();
4229
4230     int row = m_clientArea->GetRowByItem(item);
4231     if( row >= 0 )
4232     {
4233         if( column == NULL )
4234             EnsureVisible(row, -1);
4235         else
4236             EnsureVisible( row, GetColumnIndex(column) );
4237     }
4238
4239 }
4240
4241 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4242 {
4243     m_clientArea->HitTest(point, item, column);
4244 }
4245
4246 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4247 {
4248     return m_clientArea->GetItemRect(item, column);
4249 }
4250
4251 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4252 {
4253     return m_clientArea->GetItemByRow( row );
4254 }
4255
4256 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4257 {
4258     return m_clientArea->GetRowByItem( item );
4259 }
4260
4261 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4262 {
4263     int row = m_clientArea->GetRowByItem( item );
4264     if (row != -1)
4265         m_clientArea->Expand(row);
4266 }
4267
4268 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4269 {
4270     int row = m_clientArea->GetRowByItem( item );
4271     if (row != -1)
4272         m_clientArea->Collapse(row);
4273 }
4274
4275 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4276 {
4277     int row = m_clientArea->GetRowByItem( item );
4278     if (row != -1)
4279         return m_clientArea->IsExpanded(row);
4280     return false;
4281 }
4282
4283
4284 #endif
4285     // !wxUSE_GENERICDATAVIEWCTRL
4286
4287 #endif
4288     // wxUSE_DATAVIEWCTRL