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