src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/calctrl.h"
  42 #include "wx/popupwin.h"
  43 #include "wx/renderer.h"
  44 #include "wx/dcbuffer.h"
  45 #include "wx/icon.h"
  46 #include "wx/list.h"
  47 #include "wx/listimpl.cpp"
  48 #include "wx/imaglist.h"
  49 #include "wx/headerctrl.h"
  50 #include "wx/dnd.h"
  51
  52 //-----------------------------------------------------------------------------
  53 // classes
  54 //-----------------------------------------------------------------------------
  55
  56 class wxDataViewCtrl;
  57
  58 static const int SCROLL_UNIT_X = 15;
  59
  60 // the cell padding on the left/right
  61 static const int PADDING_RIGHTLEFT = 3;
  62
  63 // the expander space margin
  64 static const int EXPANDER_MARGIN = 4;
  65
  66 #ifdef __WXMSW__
  67 static const int EXPANDER_OFFSET = 4;
  68 #else
  69 static const int EXPANDER_OFFSET = 1;
  70 #endif
  71
  72 // Below is the compare stuff.
  73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
  74 // fast search when needed
  75 static wxDataViewModel* g_model;
  76 static int g_column = -2;
  77 static bool g_asending = true;
  78
  79 //-----------------------------------------------------------------------------
  80 // wxDataViewHeaderWindow
  81 //-----------------------------------------------------------------------------
  82
  83 class wxDataViewHeaderWindow : public wxHeaderCtrl
  84 {
  85 public:
  86     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  87         : wxHeaderCtrl(parent)
  88     {
  89     }
  90
  91     wxDataViewCtrl *GetOwner() const
  92         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  93
  94 protected:
  95     // implement/override wxHeaderCtrl functions by forwarding them to the main
  96     // control
  97     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  98     {
  99         return *(GetOwner()->GetColumn(idx));
 100     }
 101
 102     // FIXME: currently unused
 103     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 104     {
 105         wxDataViewCtrl * const owner = GetOwner();
 106
 107         int widthContents = owner->GetBestColumnWidth(idx);
 108         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 109         owner->OnColumnChange(idx);
 110
 111         return true;
 112     }
 113
 114 private:
 115     bool SendEvent(wxEventType type, unsigned int n)
 116     {
 117         wxDataViewCtrl * const owner = GetOwner();
 118         wxDataViewEvent event(type, owner->GetId());
 119
 120         event.SetEventObject(owner);
 121         event.SetColumn(n);
 122         event.SetDataViewColumn(owner->GetColumn(n));
 123         event.SetModel(owner->GetModel());
 124
 125         // for events created by wxDataViewHeaderWindow the
 126         // row / value fields are not valid
 127         return owner->GetEventHandler()->ProcessEvent(event);
 128     }
 129
 130     void OnClick(wxHeaderCtrlEvent& event)
 131     {
 132         const unsigned idx = event.GetColumn();
 133
 134         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 135             return;
 136
 137         // default handling for the column click is to sort by this column or
 138         // toggle its sort order
 139         wxDataViewCtrl * const owner = GetOwner();
 140         wxDataViewColumn * const col = owner->GetColumn(idx);
 141         if ( !col->IsSortable() )
 142         {
 143             // no default handling for non-sortable columns
 144             event.Skip();
 145             return;
 146         }
 147
 148         if ( col->IsSortKey() )
 149         {
 150             // already using this column for sorting, just change the order
 151             col->ToggleSortOrder();
 152         }
 153         else // not using this column for sorting yet
 154         {
 155             // first unset the old sort column if any
 156             int oldSortKey = owner->GetSortingColumnIndex();
 157             if ( oldSortKey != wxNOT_FOUND )
 158             {
 159                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 160                 owner->OnColumnChange(oldSortKey);
 161             }
 162
 163             owner->SetSortingColumnIndex(idx);
 164             col->SetAsSortKey();
 165         }
 166
 167         wxDataViewModel * const model = owner->GetModel();
 168         if ( model )
 169             model->Resort();
 170
 171         owner->OnColumnChange(idx);
 172     }
 173
 174     void OnRClick(wxHeaderCtrlEvent& event)
 175     {
 176         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 177                         event.GetColumn()) )
 178             event.Skip();
 179     }
 180
 181     void OnResize(wxHeaderCtrlEvent& event)
 182     {
 183         wxDataViewCtrl * const owner = GetOwner();
 184
 185         const unsigned col = event.GetColumn();
 186         owner->GetColumn(col)->SetWidth(event.GetWidth());
 187         GetOwner()->OnColumnChange(col);
 188     }
 189
 190     void OnEndReorder(wxHeaderCtrlEvent& event)
 191     {
 192         wxDataViewCtrl * const owner = GetOwner();
 193         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 194                         event.GetNewOrder());
 195     }
 196
 197     DECLARE_EVENT_TABLE()
 198     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 199 };
 200
 201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 202     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 203     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 204
 205     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 206     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 207
 208     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 209 END_EVENT_TABLE()
 210
 211 //-----------------------------------------------------------------------------
 212 // wxDataViewRenameTimer
 213 //-----------------------------------------------------------------------------
 214
 215 class wxDataViewRenameTimer: public wxTimer
 216 {
 217 private:
 218     wxDataViewMainWindow *m_owner;
 219
 220 public:
 221     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 222     void Notify();
 223 };
 224
 225 //-----------------------------------------------------------------------------
 226 // wxDataViewTreeNode
 227 //-----------------------------------------------------------------------------
 228
 229 class wxDataViewTreeNode;
 230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 232
 233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 234                                            wxDataViewTreeNode ** node2);
 235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 236
 237 class wxDataViewTreeNode
 238 {
 239 public:
 240     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 241     {
 242         m_parent = parent;
 243         if (!parent)
 244             m_open = true;
 245         else
 246             m_open = false;
 247         m_hasChildren = false;
 248         m_subTreeCount  = 0;
 249     }
 250
 251     ~wxDataViewTreeNode()
 252     {
 253     }
 254
 255     wxDataViewTreeNode * GetParent() const { return m_parent; }
 256     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 257     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 258     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 259
 260     void AddNode( wxDataViewTreeNode * node )
 261     {
 262         m_leaves.Add( node->GetItem().GetID() );
 263         if (g_column >= -1)
 264             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 265         m_nodes.Add( node );
 266         if (g_column >= -1)
 267             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 268     }
 269     void AddLeaf( void * leaf )
 270     {
 271         m_leaves.Add( leaf );
 272         if (g_column >= -1)
 273             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 274     }
 275
 276     wxDataViewItem & GetItem() { return m_item; }
 277     const wxDataViewItem & GetItem() const { return m_item; }
 278     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 279
 280     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 281     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 282     int GetIndentLevel() const
 283     {
 284         int ret = 0;
 285         const wxDataViewTreeNode * node = this;
 286         while( node->GetParent()->GetParent() != NULL )
 287         {
 288             node = node->GetParent();
 289             ret ++;
 290         }
 291         return ret;
 292     }
 293
 294     bool IsOpen() const
 295     {
 296         return m_open;
 297     }
 298
 299     void ToggleOpen()
 300     {
 301         int len = m_nodes.GetCount();
 302         int sum = 0;
 303         for ( int i = 0;i < len; i ++)
 304             sum += m_nodes[i]->GetSubTreeCount();
 305
 306         sum += m_leaves.GetCount();
 307         if (m_open)
 308         {
 309             ChangeSubTreeCount(-sum);
 310             m_open = !m_open;
 311         }
 312         else
 313         {
 314             m_open = !m_open;
 315             ChangeSubTreeCount(sum);
 316         }
 317     }
 318     bool HasChildren() const { return m_hasChildren; }
 319     void SetHasChildren( bool has ){ m_hasChildren = has; }
 320
 321     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 322     int GetSubTreeCount() const { return m_subTreeCount; }
 323     void ChangeSubTreeCount( int num )
 324     {
 325         if( !m_open )
 326             return;
 327         m_subTreeCount += num;
 328         if( m_parent )
 329             m_parent->ChangeSubTreeCount(num);
 330     }
 331
 332     void Resort()
 333     {
 334         if (g_column >= -1)
 335         {
 336             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 337             int len = m_nodes.GetCount();
 338             for (int i = 0; i < len; i ++)
 339                 m_nodes[i]->Resort();
 340             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 341         }
 342     }
 343
 344 private:
 345     wxDataViewTreeNode  *m_parent;
 346     wxDataViewTreeNodes  m_nodes;
 347     wxDataViewTreeLeaves m_leaves;
 348     wxDataViewItem       m_item;
 349     bool                 m_open;
 350     bool                 m_hasChildren;
 351     int                  m_subTreeCount;
 352 };
 353
 354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 355                                            wxDataViewTreeNode ** node2)
 356 {
 357     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 358 }
 359
 360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 361 {
 362     return g_model->Compare( *id1, *id2, g_column, g_asending );
 363 }
 364
 365
 366 //-----------------------------------------------------------------------------
 367 // wxDataViewMainWindow
 368 //-----------------------------------------------------------------------------
 369
 370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 371                                             WXDLLIMPEXP_ADV);
 372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 373 WX_DEFINE_LIST(ItemList)
 374
 375 class wxDataViewMainWindow: public wxWindow
 376 {
 377 public:
 378     wxDataViewMainWindow( wxDataViewCtrl *parent,
 379                             wxWindowID id,
 380                             const wxPoint &pos = wxDefaultPosition,
 381                             const wxSize &size = wxDefaultSize,
 382                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 383     virtual ~wxDataViewMainWindow();
 384
 385     bool IsVirtualList() const { return m_root == NULL; }
 386
 387     // notifications from wxDataViewModel
 388     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 389     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 390     bool ItemChanged( const wxDataViewItem &item );
 391     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 392     bool Cleared();
 393     void Resort()
 394     {
 395         if (!IsVirtualList())
 396         {
 397             SortPrepare();
 398             m_root->Resort();
 399         }
 400         UpdateDisplay();
 401     }
 402
 403     void SortPrepare()
 404     {
 405         g_model = GetOwner()->GetModel();
 406         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 407         if( !col )
 408         {
 409             if (g_model->HasDefaultCompare())
 410                 g_column = -1;
 411             else
 412                 g_column = -2;
 413
 414             g_asending = true;
 415             return;
 416         }
 417         g_column = col->GetModelColumn();
 418         g_asending = col->IsSortOrderAscending();
 419     }
 420
 421     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 422     wxDataViewCtrl *GetOwner() { return m_owner; }
 423     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 424
 425 #if wxUSE_DRAG_AND_DROP
 426     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 427 #endif // wxUSE_DRAG_AND_DROP
 428     void OnPaint( wxPaintEvent &event );
 429     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 430     void OnChar( wxKeyEvent &event );
 431     void OnMouse( wxMouseEvent &event );
 432     void OnSetFocus( wxFocusEvent &event );
 433     void OnKillFocus( wxFocusEvent &event );
 434
 435     void UpdateDisplay();
 436     void RecalculateDisplay();
 437     void OnInternalIdle();
 438
 439     void OnRenameTimer();
 440
 441     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 442     void ScrollTo( int rows, int column );
 443
 444     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 445     void ChangeCurrentRow( unsigned int row );
 446
 447     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 448     bool IsEmpty() { return GetRowCount() == 0; }
 449
 450     int GetCountPerPage() const;
 451     int GetEndOfLastCol() const;
 452     unsigned int GetFirstVisibleRow() const;
 453
 454     // I change this method to un const because in the tree view,
 455     // the displaying number of the tree are changing along with the
 456     // expanding/collapsing of the tree nodes
 457     unsigned int GetLastVisibleRow();
 458     unsigned int GetRowCount();
 459
 460     wxDataViewItem GetSelection() const;
 461     wxDataViewSelection GetSelections(){ return m_selection; }
 462     void SetSelections( const wxDataViewSelection & sel )
 463         { m_selection = sel; UpdateDisplay(); }
 464     void Select( const wxArrayInt& aSelections );
 465     void SelectAllRows( bool on );
 466     void SelectRow( unsigned int row, bool on );
 467     void SelectRows( unsigned int from, unsigned int to, bool on );
 468     void ReverseRowSelection( unsigned int row );
 469     bool IsRowSelected( unsigned int row );
 470     void SendSelectionChangedEvent( const wxDataViewItem& item);
 471
 472     void RefreshRow( unsigned int row );
 473     void RefreshRows( unsigned int from, unsigned int to );
 474     void RefreshRowsAfter( unsigned int firstRow );
 475
 476     // returns the colour to be used for drawing the rules
 477     wxColour GetRuleColour() const
 478     {
 479         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 480     }
 481
 482     wxRect GetLineRect( unsigned int row ) const;
 483
 484     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 485     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 486     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 487
 488     // Some useful functions for row and item mapping
 489     wxDataViewItem GetItemByRow( unsigned int row ) const;
 490     int GetRowByItem( const wxDataViewItem & item ) const;
 491
 492     // Methods for building the mapping tree
 493     void BuildTree( wxDataViewModel  * model );
 494     void DestroyTree();
 495     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 496     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 497
 498     void Expand( unsigned int row );
 499     void Collapse( unsigned int row );
 500     bool IsExpanded( unsigned int row ) const;
 501     bool HasChildren( unsigned int row ) const;
 502
 503 #if wxUSE_DRAG_AND_DROP
 504     bool EnableDragSource( const wxDataFormat &format );
 505     bool EnableDropTarget( const wxDataFormat &format );
 506
 507     void RemoveDropHint();
 508     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 509     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 510     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 511     void OnLeave();
 512 #endif // wxUSE_DRAG_AND_DROP
 513
 514 private:
 515     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 516     // We did not need this temporarily
 517     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 518
 519     int RecalculateCount();
 520
 521     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 522
 523     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 524
 525 private:
 526     wxDataViewCtrl             *m_owner;
 527     int                         m_lineHeight;
 528     bool                        m_dirty;
 529
 530     wxDataViewColumn           *m_currentCol;
 531     unsigned int                m_currentRow;
 532     wxDataViewSelection         m_selection;
 533
 534     wxDataViewRenameTimer      *m_renameTimer;
 535     bool                        m_lastOnSame;
 536
 537     bool                        m_hasFocus;
 538
 539 #if wxUSE_DRAG_AND_DROP
 540     int                         m_dragCount;
 541     wxPoint                     m_dragStart;
 542
 543     bool                        m_dragEnabled;
 544     wxDataFormat                m_dragFormat;
 545
 546     bool                        m_dropEnabled;
 547     wxDataFormat                m_dropFormat;
 548     bool                        m_dropHint;
 549     unsigned int                m_dropHintLine;
 550 #endif // wxUSE_DRAG_AND_DROP
 551
 552     // for double click logic
 553     unsigned int m_lineLastClicked,
 554         m_lineBeforeLastClicked,
 555         m_lineSelectSingleOnUp;
 556
 557     // the pen used to draw horiz/vertical rules
 558     wxPen m_penRule;
 559
 560     // the pen used to draw the expander and the lines
 561     wxPen m_penExpander;
 562
 563     // This is the tree structure of the model
 564     wxDataViewTreeNode * m_root;
 565     int m_count;
 566
 567     // This is the tree node under the cursor
 568     wxDataViewTreeNode * m_underMouse;
 569
 570 private:
 571     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575 // ---------------------------------------------------------
 576 // wxGenericDataViewModelNotifier
 577 // ---------------------------------------------------------
 578
 579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 580 {
 581 public:
 582     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 583         { m_mainWindow = mainWindow; }
 584
 585     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 586         { return m_mainWindow->ItemAdded( parent , item ); }
 587     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 588         { return m_mainWindow->ItemDeleted( parent, item ); }
 589     virtual bool ItemChanged( const wxDataViewItem & item )
 590         { return m_mainWindow->ItemChanged(item);  }
 591     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 592         { return m_mainWindow->ValueChanged( item, col ); }
 593     virtual bool Cleared()
 594         { return m_mainWindow->Cleared(); }
 595     virtual void Resort()
 596         { m_mainWindow->Resort(); }
 597
 598     wxDataViewMainWindow    *m_mainWindow;
 599 };
 600
 601 // ---------------------------------------------------------
 602 // wxDataViewRenderer
 603 // ---------------------------------------------------------
 604
 605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 606
 607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 608                                         wxDataViewCellMode mode,
 609                                         int align) :
 610     wxDataViewRendererBase( varianttype, mode, align )
 611 {
 612     m_dc = NULL;
 613     m_align = align;
 614     m_mode = mode;
 615     m_wantsAttr = false;
 616     m_hasAttr = false;
 617 }
 618
 619 wxDataViewRenderer::~wxDataViewRenderer()
 620 {
 621     if (m_dc)
 622         delete m_dc;
 623 }
 624
 625 wxDC *wxDataViewRenderer::GetDC()
 626 {
 627     if (m_dc == NULL)
 628     {
 629         if (GetOwner() == NULL)
 630             return NULL;
 631         if (GetOwner()->GetOwner() == NULL)
 632             return NULL;
 633         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 634     }
 635
 636     return m_dc;
 637 }
 638
 639 void wxDataViewRenderer::SetAlignment( int align )
 640 {
 641     m_align=align;
 642 }
 643
 644 int wxDataViewRenderer::GetAlignment() const
 645 {
 646     return m_align;
 647 }
 648
 649 int wxDataViewRenderer::CalculateAlignment() const
 650 {
 651     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 652     {
 653         if (GetOwner() == NULL)
 654         return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 655
 656         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 657     }
 658
 659     return m_align;
 660 }
 661
 662 // ---------------------------------------------------------
 663 // wxDataViewCustomRenderer
 664 // ---------------------------------------------------------
 665
 666 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 667
 668 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 669                         wxDataViewCellMode mode, int align ) :
 670     wxDataViewRenderer( varianttype, mode, align )
 671 {
 672 }
 673
 674 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
 675                                            wxRect cell, wxDC *dc, int state )
 676 {
 677     wxDataViewCtrl *view = GetOwner()->GetOwner();
 678     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 679                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 680                         view->GetForegroundColour();
 681     dc->SetTextForeground(col);
 682     dc->DrawText( text,
 683                   cell.x + xoffset,
 684                   cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 685 }
 686
 687 // ---------------------------------------------------------
 688 // wxDataViewTextRenderer
 689 // ---------------------------------------------------------
 690
 691 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 692
 693 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 694                                                 wxDataViewCellMode mode, int align ) :
 695     wxDataViewCustomRenderer( varianttype, mode, align )
 696 {
 697 }
 698
 699 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 700 {
 701     m_text = value.GetString();
 702
 703     return true;
 704 }
 705
 706 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 707 {
 708     return false;
 709 }
 710
 711 bool wxDataViewTextRenderer::HasEditorCtrl() const
 712 {
 713     return true;
 714 }
 715
 716 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 717         wxRect labelRect, const wxVariant &value )
 718 {
 719     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 720                                        wxPoint(labelRect.x,labelRect.y),
 721                                        wxSize(labelRect.width,labelRect.height) );
 722
 723     // select the text in the control an place the cursor at the end
 724     ctrl->SetInsertionPointEnd();
 725     ctrl->SelectAll();
 726
 727     return ctrl;
 728 }
 729
 730 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 731 {
 732     wxTextCtrl *text = (wxTextCtrl*) editor;
 733     value = text->GetValue();
 734     return true;
 735 }
 736
 737 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 738 {
 739     RenderText( m_text, 0, cell, dc, state );
 740     return true;
 741 }
 742
 743 wxSize wxDataViewTextRenderer::GetSize() const
 744 {
 745     const wxDataViewCtrl *view = GetView();
 746     if (!m_text.empty())
 747         return view->wxWindowBase::GetTextExtent( m_text );
 748     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 749 }
 750
 751 // ---------------------------------------------------------
 752 // wxDataViewTextRendererAttr
 753 // ---------------------------------------------------------
 754
 755 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 756
 757 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 758                             wxDataViewCellMode mode, int align ) :
 759     wxDataViewTextRenderer( varianttype, mode, align )
 760 {
 761     m_wantsAttr = true;
 762 }
 763
 764 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 765 {
 766     wxFont font;
 767     wxColour colour;
 768
 769     if (m_hasAttr)
 770     {
 771         if (m_attr.HasColour())
 772         {
 773             colour = dc->GetTextForeground();
 774             dc->SetTextForeground( m_attr.GetColour() );
 775         }
 776
 777         if (m_attr.GetBold() || m_attr.GetItalic())
 778         {
 779             font = dc->GetFont();
 780             wxFont myfont = font;
 781             if (m_attr.GetBold())
 782                 myfont.SetWeight( wxFONTWEIGHT_BOLD );
 783             if (m_attr.GetItalic())
 784                 myfont.SetStyle( wxFONTSTYLE_ITALIC );
 785             dc->SetFont( myfont );
 786         }
 787     }
 788
 789     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 790
 791     // restore dc
 792     if (m_hasAttr)
 793     {
 794         if (m_attr.HasColour())
 795             dc->SetTextForeground( colour );
 796
 797         if (m_attr.GetBold() || m_attr.GetItalic())
 798             dc->SetFont( font );
 799     }
 800
 801     return true;
 802 }
 803
 804
 805 // ---------------------------------------------------------
 806 // wxDataViewBitmapRenderer
 807 // ---------------------------------------------------------
 808
 809 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 810
 811 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 812                                                     wxDataViewCellMode mode, int align ) :
 813     wxDataViewCustomRenderer( varianttype, mode, align )
 814 {
 815 }
 816
 817 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 818 {
 819     if (value.GetType() == wxT("wxBitmap"))
 820         m_bitmap << value;
 821     if (value.GetType() == wxT("wxIcon"))
 822         m_icon << value;
 823
 824     return true;
 825 }
 826
 827 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 828 {
 829     return false;
 830 }
 831
 832 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 833 {
 834     if (m_bitmap.Ok())
 835         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 836     else if (m_icon.Ok())
 837         dc->DrawIcon( m_icon, cell.x, cell.y );
 838
 839     return true;
 840 }
 841
 842 wxSize wxDataViewBitmapRenderer::GetSize() const
 843 {
 844     if (m_bitmap.Ok())
 845         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 846     else if (m_icon.Ok())
 847         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 848
 849     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 850 }
 851
 852 // ---------------------------------------------------------
 853 // wxDataViewToggleRenderer
 854 // ---------------------------------------------------------
 855
 856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 857
 858 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 859                         wxDataViewCellMode mode, int align ) :
 860     wxDataViewCustomRenderer( varianttype, mode, align )
 861 {
 862     m_toggle = false;
 863 }
 864
 865 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 866 {
 867     m_toggle = value.GetBool();
 868
 869     return true;
 870 }
 871
 872 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 873 {
 874     return false;
 875 }
 876
 877 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 878 {
 879     int flags = 0;
 880     if (m_toggle)
 881         flags |= wxCONTROL_CHECKED;
 882     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 883         flags |= wxCONTROL_DISABLED;
 884
 885     wxRendererNative::Get().DrawCheckBox(
 886             GetOwner()->GetOwner(),
 887             *dc,
 888             cell,
 889             flags );
 890
 891     return true;
 892 }
 893
 894 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 895                                         wxDataViewModel *model,
 896                                         const wxDataViewItem & item, unsigned int col)
 897 {
 898     bool value = !m_toggle;
 899     wxVariant variant = value;
 900     model->SetValue( variant, item, col);
 901     model->ValueChanged( item, col );
 902     return true;
 903 }
 904
 905 wxSize wxDataViewToggleRenderer::GetSize() const
 906 {
 907     // the window parameter is not used by GetCheckBoxSize() so it's
 908     // safe to pass NULL
 909     return wxRendererNative::Get().GetCheckBoxSize(NULL);
 910 }
 911
 912 // ---------------------------------------------------------
 913 // wxDataViewProgressRenderer
 914 // ---------------------------------------------------------
 915
 916 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 917
 918 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 919     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 920     wxDataViewCustomRenderer( varianttype, mode, align )
 921 {
 922     m_label = label;
 923     m_value = 0;
 924 }
 925
 926 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 927 {
 928 }
 929
 930 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 931 {
 932     m_value = (long) value;
 933
 934     if (m_value < 0) m_value = 0;
 935     if (m_value > 100) m_value = 100;
 936
 937     return true;
 938 }
 939
 940 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 941 {
 942     value = (long) m_value;
 943     return true;
 944 }
 945
 946 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 947 {
 948     double pct = (double)m_value / 100.0;
 949     wxRect bar = cell;
 950     bar.width = (int)(cell.width * pct);
 951     dc->SetPen( *wxTRANSPARENT_PEN );
 952     dc->SetBrush( *wxBLUE_BRUSH );
 953     dc->DrawRectangle( bar );
 954
 955     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 956     dc->SetPen( *wxBLACK_PEN );
 957     dc->DrawRectangle( cell );
 958
 959     return true;
 960 }
 961
 962 wxSize wxDataViewProgressRenderer::GetSize() const
 963 {
 964     return wxSize(40,12);
 965 }
 966
 967 // ---------------------------------------------------------
 968 // wxDataViewDateRenderer
 969 // ---------------------------------------------------------
 970
 971 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 972
 973 #if wxUSE_DATE_RENDERER_POPUP
 974
 975 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 976 {
 977 public:
 978     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 979         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 980         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 981         m_item( item )
 982     {
 983         m_model = model;
 984         m_col = col;
 985         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 986         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 987         sizer->Add( m_cal, 1, wxGROW );
 988         SetSizer( sizer );
 989         sizer->Fit( this );
 990     }
 991
 992     void OnCalendar( wxCalendarEvent &event );
 993
 994     wxCalendarCtrl      *m_cal;
 995     wxDataViewModel *m_model;
 996     unsigned int               m_col;
 997     const wxDataViewItem &   m_item;
 998
 999 protected:
1000     virtual void OnDismiss()
1001     {
1002     }
1003
1004 private:
1005     DECLARE_EVENT_TABLE()
1006 };
1007
1008 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1009     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1010 END_EVENT_TABLE()
1011
1012 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1013 {
1014     wxDateTime date = event.GetDate();
1015     wxVariant value = date;
1016     m_model->SetValue( value, m_item, m_col );
1017     m_model->ValueChanged( m_item, m_col );
1018     DismissAndNotify();
1019 }
1020
1021 #endif // wxUSE_DATE_RENDERER_POPUP
1022
1023 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1024
1025 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1026                         wxDataViewCellMode mode, int align ) :
1027     wxDataViewCustomRenderer( varianttype, mode, align )
1028 {
1029 }
1030
1031 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1032 {
1033     m_date = value.GetDateTime();
1034
1035     return true;
1036 }
1037
1038 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1039 {
1040     value = m_date;
1041     return true;
1042 }
1043
1044 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1045 {
1046     wxString tmp = m_date.FormatDate();
1047     RenderText( tmp, 0, cell, dc, state );
1048     return true;
1049 }
1050
1051 wxSize wxDataViewDateRenderer::GetSize() const
1052 {
1053     const wxDataViewCtrl* view = GetView();
1054     wxString tmp = m_date.FormatDate();
1055     wxCoord x,y,d;
1056     view->GetTextExtent( tmp, &x, &y, &d );
1057     return wxSize(x,y+d);
1058 }
1059
1060 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1061                                     const wxDataViewItem & item, unsigned int col )
1062 {
1063     wxVariant variant;
1064     model->GetValue( variant, item, col );
1065     wxDateTime value = variant.GetDateTime();
1066
1067 #if wxUSE_DATE_RENDERER_POPUP
1068     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1069         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1070     wxPoint pos = wxGetMousePosition();
1071     popup->Move( pos );
1072     popup->Layout();
1073     popup->Popup( popup->m_cal );
1074 #else // !wxUSE_DATE_RENDERER_POPUP
1075     wxMessageBox(value.Format());
1076 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1077     return true;
1078 }
1079
1080 // ---------------------------------------------------------
1081 // wxDataViewIconTextRenderer
1082 // ---------------------------------------------------------
1083
1084 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1085
1086 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1087 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1088     wxDataViewCustomRenderer( varianttype, mode, align )
1089 {
1090     SetMode(mode);
1091     SetAlignment(align);
1092 }
1093
1094 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1095 {
1096 }
1097
1098 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1099 {
1100     m_value << value;
1101     return true;
1102 }
1103
1104 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1105 {
1106     return false;
1107 }
1108
1109 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1110 {
1111     int xoffset = 0;
1112     const wxIcon &icon = m_value.GetIcon();
1113     if (icon.IsOk())
1114     {
1115         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1116         xoffset =  icon.GetWidth()+4;
1117     }
1118
1119     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1120
1121     return true;
1122 }
1123
1124 wxSize wxDataViewIconTextRenderer::GetSize() const
1125 {
1126     const wxDataViewCtrl *view = GetView();
1127     if (!m_value.GetText().empty())
1128     {
1129         int x,y;
1130         view->GetTextExtent( m_value.GetText(), &x, &y );
1131
1132         if (m_value.GetIcon().IsOk())
1133             x += m_value.GetIcon().GetWidth() + 4;
1134         return wxSize( x, y );
1135     }
1136     return wxSize(80,20);
1137 }
1138
1139 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1140 {
1141     wxDataViewIconText iconText;
1142     iconText << value;
1143
1144     wxString text = iconText.GetText();
1145
1146     // adjust the label rect to take the width of the icon into account
1147     if (iconText.GetIcon().IsOk())
1148     {
1149         int w = iconText.GetIcon().GetWidth() + 4;
1150         labelRect.x += w;
1151         labelRect.width -= w;
1152     }
1153
1154     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1155                                        wxPoint(labelRect.x,labelRect.y),
1156                                        wxSize(labelRect.width,labelRect.height) );
1157
1158     // select the text in the control an place the cursor at the end
1159     ctrl->SetInsertionPointEnd();
1160     ctrl->SelectAll();
1161
1162     return ctrl;
1163 }
1164
1165 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1166 {
1167     wxTextCtrl *text = (wxTextCtrl*) editor;
1168
1169     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1170     value << iconText;
1171     return true;
1172 }
1173
1174 //-----------------------------------------------------------------------------
1175 // wxDataViewDropTarget
1176 //-----------------------------------------------------------------------------
1177
1178 #if wxUSE_DRAG_AND_DROP
1179
1180 class wxBitmapCanvas: public wxWindow
1181 {
1182 public:
1183     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1184     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1185     {
1186         m_bitmap = bitmap;
1187         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1188     }
1189
1190     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1191     {
1192         wxPaintDC dc(this);
1193         dc.DrawBitmap( m_bitmap, 0, 0);
1194     }
1195
1196     wxBitmap m_bitmap;
1197 };
1198
1199 class wxDataViewDropSource: public wxDropSource
1200 {
1201 public:
1202     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1203         wxDropSource( win )
1204     {
1205         m_win = win;
1206         m_row = row;
1207         m_hint = NULL;
1208     }
1209
1210     ~wxDataViewDropSource()
1211     {
1212         delete m_hint;
1213     }
1214
1215     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1216     {
1217         wxPoint pos = wxGetMousePosition();
1218
1219         if (!m_hint)
1220         {
1221             int liney = m_win->GetLineStart( m_row );
1222             int linex = 0;
1223             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1224             m_win->ClientToScreen( &linex, &liney );
1225             m_dist_x = pos.x - linex;
1226             m_dist_y = pos.y - liney;
1227
1228             int indent = 0;
1229             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1230             m_dist_x -= indent;
1231             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1232                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1233                                         ib.GetSize(),
1234                                         wxFRAME_TOOL_WINDOW |
1235                                         wxFRAME_FLOAT_ON_PARENT |
1236                                         wxFRAME_NO_TASKBAR |
1237                                         wxNO_BORDER );
1238             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1239             m_hint->Show();
1240         }
1241         else
1242         {
1243             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1244             m_hint->SetTransparent( 128 );
1245         }
1246
1247         return false;
1248     }
1249
1250     wxDataViewMainWindow   *m_win;
1251     unsigned int            m_row;
1252     wxFrame                *m_hint;
1253     int m_dist_x,m_dist_y;
1254 };
1255
1256
1257 class wxDataViewDropTarget: public wxDropTarget
1258 {
1259 public:
1260     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1261         wxDropTarget( obj )
1262     {
1263         m_win = win;
1264     }
1265
1266     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1267     {
1268         wxDataFormat format = GetMatchingPair();
1269         if (format == wxDF_INVALID)
1270             return wxDragNone;
1271         return m_win->OnDragOver( format, x, y, def);
1272     }
1273
1274     virtual bool OnDrop( wxCoord x, wxCoord y )
1275     {
1276         wxDataFormat format = GetMatchingPair();
1277         if (format == wxDF_INVALID)
1278             return false;
1279         return m_win->OnDrop( format, x, y );
1280     }
1281
1282     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1283     {
1284         wxDataFormat format = GetMatchingPair();
1285         if (format == wxDF_INVALID)
1286             return wxDragNone;
1287         if (!GetData())
1288             return wxDragNone;
1289         return m_win->OnData( format, x, y, def );
1290     }
1291
1292     virtual void OnLeave()
1293         { m_win->OnLeave(); }
1294
1295     wxDataViewMainWindow   *m_win;
1296 };
1297
1298 #endif // wxUSE_DRAG_AND_DROP
1299
1300 //-----------------------------------------------------------------------------
1301 // wxDataViewRenameTimer
1302 //-----------------------------------------------------------------------------
1303
1304 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1305 {
1306     m_owner = owner;
1307 }
1308
1309 void wxDataViewRenameTimer::Notify()
1310 {
1311     m_owner->OnRenameTimer();
1312 }
1313
1314 //-----------------------------------------------------------------------------
1315 // wxDataViewMainWindow
1316 //-----------------------------------------------------------------------------
1317
1318 // The tree building helper, declared firstly
1319 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
1320                              wxDataViewTreeNode * node);
1321
1322 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1323 {
1324     if (row1 > row2) return 1;
1325     if (row1 == row2) return 0;
1326     return -1;
1327 }
1328
1329 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1330
1331 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1332     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1333     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1334     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1335     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1336     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1337 END_EVENT_TABLE()
1338
1339 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1340     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1341     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1342     m_selection( wxDataViewSelectionCmp )
1343
1344 {
1345     SetOwner( parent );
1346
1347     m_lastOnSame = false;
1348     m_renameTimer = new wxDataViewRenameTimer( this );
1349
1350     // TODO: user better initial values/nothing selected
1351     m_currentCol = NULL;
1352     m_currentRow = 0;
1353
1354     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1355
1356 #if wxUSE_DRAG_AND_DROP
1357     m_dragCount = 0;
1358     m_dragStart = wxPoint(0,0);
1359
1360     m_dragEnabled = false;
1361     m_dropEnabled = false;
1362     m_dropHint = false;
1363     m_dropHintLine = (unsigned int) -1;
1364 #endif // wxUSE_DRAG_AND_DROP
1365
1366     m_lineLastClicked = (unsigned int) -1;
1367     m_lineBeforeLastClicked = (unsigned int) -1;
1368     m_lineSelectSingleOnUp = (unsigned int) -1;
1369
1370     m_hasFocus = false;
1371
1372     SetBackgroundColour( *wxWHITE );
1373
1374     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1375
1376     m_penRule = wxPen(GetRuleColour());
1377
1378     // compose a pen whichcan draw black lines
1379     // TODO: maybe there is something system colour to use
1380     m_penExpander = wxPen(wxColour(0,0,0));
1381
1382     m_root = new wxDataViewTreeNode( NULL );
1383     m_root->SetHasChildren(true);
1384
1385     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1386     m_count = -1;
1387     m_underMouse = NULL;
1388     UpdateDisplay();
1389 }
1390
1391 wxDataViewMainWindow::~wxDataViewMainWindow()
1392 {
1393     DestroyTree();
1394     delete m_renameTimer;
1395 }
1396
1397
1398 #if wxUSE_DRAG_AND_DROP
1399 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1400 {
1401     m_dragFormat = format;
1402     m_dragEnabled = format != wxDF_INVALID;
1403
1404     return true;
1405 }
1406
1407 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1408 {
1409     m_dropFormat = format;
1410     m_dropEnabled = format != wxDF_INVALID;
1411
1412     if (m_dropEnabled)
1413         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1414
1415     return true;
1416 }
1417
1418 void wxDataViewMainWindow::RemoveDropHint()
1419 {
1420     if (m_dropHint)
1421     {
1422             m_dropHint = false;
1423             RefreshRow( m_dropHintLine );
1424             m_dropHintLine = (unsigned int) -1;
1425     }
1426 }
1427
1428 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1429                                                wxCoord y, wxDragResult def )
1430 {
1431     int xx = x;
1432     int yy = y;
1433     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1434     unsigned int row = GetLineAt( yy );
1435
1436     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1437     {
1438         RemoveDropHint();
1439         return wxDragNone;
1440     }
1441
1442     wxDataViewItem item = GetItemByRow( row );
1443
1444     wxDataViewModel *model = GetOwner()->GetModel();
1445
1446     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1447     event.SetEventObject( m_owner );
1448     event.SetItem( item );
1449     event.SetModel( model );
1450     event.SetDataFormat( format );
1451     if (!m_owner->HandleWindowEvent( event ))
1452     {
1453         RemoveDropHint();
1454         return wxDragNone;
1455     }
1456
1457     if (!event.IsAllowed())
1458     {
1459         RemoveDropHint();
1460         return wxDragNone;
1461     }
1462
1463
1464     if (m_dropHint && (row != m_dropHintLine))
1465         RefreshRow( m_dropHintLine );
1466     m_dropHint = true;
1467     m_dropHintLine = row;
1468     RefreshRow( row );
1469
1470     return def;
1471 }
1472
1473 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1474 {
1475     RemoveDropHint();
1476
1477     int xx = x;
1478     int yy = y;
1479     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1480     unsigned int row = GetLineAt( yy );
1481
1482     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1483         return false;
1484
1485     wxDataViewItem item = GetItemByRow( row );
1486
1487     wxDataViewModel *model = GetOwner()->GetModel();
1488
1489     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1490     event.SetEventObject( m_owner );
1491     event.SetItem( item );
1492     event.SetModel( model );
1493     event.SetDataFormat( format );
1494     if (!m_owner->HandleWindowEvent( event ))
1495         return false;
1496
1497     if (!event.IsAllowed())
1498         return false;
1499
1500     return true;
1501 }
1502
1503 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1504                                            wxDragResult def )
1505 {
1506     int xx = x;
1507     int yy = y;
1508     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1509     unsigned int row = GetLineAt( yy );
1510
1511     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1512         return wxDragNone;
1513
1514     wxDataViewItem item = GetItemByRow( row );
1515
1516     wxDataViewModel *model = GetOwner()->GetModel();
1517
1518     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1519
1520     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1521     event.SetEventObject( m_owner );
1522     event.SetItem( item );
1523     event.SetModel( model );
1524     event.SetDataFormat( format );
1525     event.SetDataSize( obj->GetSize() );
1526     event.SetDataBuffer( obj->GetData() );
1527     if (!m_owner->HandleWindowEvent( event ))
1528         return wxDragNone;
1529
1530     if (!event.IsAllowed())
1531         return wxDragNone;
1532
1533     return def;
1534 }
1535
1536 void wxDataViewMainWindow::OnLeave()
1537 {
1538     RemoveDropHint();
1539 }
1540
1541 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1542 {
1543     int height = GetLineHeight( row );
1544     int width = 0;
1545     unsigned int cols = GetOwner()->GetColumnCount();
1546     unsigned int col;
1547     for (col = 0; col < cols; col++)
1548     {
1549         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1550         if (column->IsHidden())
1551             continue;      // skip it!
1552         width += column->GetWidth();
1553     }
1554
1555     indent = 0;
1556     if (!IsVirtualList())
1557     {
1558         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1559         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1560         indent = indent + m_lineHeight;
1561             // try to use the m_lineHeight as the expander space
1562
1563         if(!node->HasChildren())
1564             delete node;
1565     }
1566     width -= indent;
1567
1568     wxBitmap bitmap( width, height );
1569     wxMemoryDC dc( bitmap );
1570     dc.SetFont( GetFont() );
1571     dc.SetPen( *wxBLACK_PEN );
1572     dc.SetBrush( *wxWHITE_BRUSH );
1573     dc.DrawRectangle( 0,0,width,height );
1574
1575     wxDataViewModel *model = m_owner->GetModel();
1576
1577     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1578     if (!expander)
1579     {
1580         // TODO-RTL: last column for RTL support
1581         expander = GetOwner()->GetColumnAt( 0 );
1582         GetOwner()->SetExpanderColumn(expander);
1583     }
1584
1585
1586     int x = 0;
1587     for (col = 0; col < cols; col++)
1588     {
1589         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1590         wxDataViewRenderer *cell = column->GetRenderer();
1591
1592         if (column->IsHidden())
1593             continue;       // skip it!
1594
1595         width = column->GetWidth();
1596
1597         if (column == expander)
1598             width -= indent;
1599
1600         wxVariant value;
1601         wxDataViewItem item = GetItemByRow( row );
1602         model->GetValue( value, item, column->GetModelColumn());
1603         cell->SetValue( value );
1604
1605         if (cell->GetWantsAttr())
1606         {
1607                 wxDataViewItemAttr attr;
1608                 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1609                 if (ret)
1610                     cell->SetAttr( attr );
1611                 cell->SetHasAttr( ret );
1612         }
1613
1614         wxSize size = cell->GetSize();
1615         size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1616         size.y = height;
1617         wxRect item_rect(x, 0, size.x, size.y);
1618
1619         int align = cell->CalculateAlignment();
1620         // horizontal alignment:
1621         item_rect.x = x;
1622         if (align & wxALIGN_CENTER_HORIZONTAL)
1623             item_rect.x = x + (width / 2) - (size.x / 2);
1624         else if (align & wxALIGN_RIGHT)
1625             item_rect.x = x + width - size.x;
1626         // else: wxALIGN_LEFT is the default
1627
1628         // vertical alignment:
1629         item_rect.y = 0;
1630         if (align & wxALIGN_CENTER_VERTICAL)
1631             item_rect.y = (height / 2) - (size.y / 2);
1632         else if (align & wxALIGN_BOTTOM)
1633             item_rect.y = height - size.y;
1634         // else: wxALIGN_TOP is the default
1635
1636         // add padding
1637         item_rect.x += PADDING_RIGHTLEFT;
1638         item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1639
1640         // dc.SetClippingRegion( item_rect );
1641         cell->Render( item_rect, &dc, 0 );
1642         // dc.DestroyClippingRegion();
1643
1644         x += width;
1645     }
1646
1647     return bitmap;
1648 }
1649
1650 #endif // wxUSE_DRAG_AND_DROP
1651
1652
1653 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1654 {
1655     wxDataViewModel *model = GetOwner()->GetModel();
1656     wxAutoBufferedPaintDC dc( this );
1657
1658 #ifdef __WXMSW__
1659     dc.SetPen( *wxTRANSPARENT_PEN );
1660     dc.SetBrush( wxBrush( GetBackgroundColour()) );
1661     dc.SetBrush( *wxWHITE_BRUSH );
1662     wxSize size( GetClientSize() );
1663     dc.DrawRectangle( 0,0,size.x,size.y );
1664 #endif
1665
1666     // prepare the DC
1667     GetOwner()->PrepareDC( dc );
1668     dc.SetFont( GetFont() );
1669
1670     wxRect update = GetUpdateRegion().GetBox();
1671     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1672
1673     // compute which items needs to be redrawn
1674     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1675     unsigned int item_count =
1676         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1677             (int)(GetRowCount( ) - item_start));
1678     unsigned int item_last = item_start + item_count;
1679
1680     // compute which columns needs to be redrawn
1681     unsigned int cols = GetOwner()->GetColumnCount();
1682     unsigned int col_start = 0;
1683     unsigned int x_start;
1684     for (x_start = 0; col_start < cols; col_start++)
1685     {
1686         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1687         if (col->IsHidden())
1688             continue;      // skip it!
1689
1690         unsigned int w = col->GetWidth();
1691         if (x_start+w >= (unsigned int)update.x)
1692             break;
1693
1694         x_start += w;
1695     }
1696
1697     unsigned int col_last = col_start;
1698     unsigned int x_last = x_start;
1699     for (; col_last < cols; col_last++)
1700     {
1701         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1702         if (col->IsHidden())
1703             continue;      // skip it!
1704
1705         if (x_last > (unsigned int)update.GetRight())
1706             break;
1707
1708         x_last += col->GetWidth();
1709     }
1710
1711     // Draw horizontal rules if required
1712     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1713     {
1714         dc.SetPen(m_penRule);
1715         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1716
1717         for (unsigned int i = item_start; i <= item_last; i++)
1718         {
1719             int y = GetLineStart( i );
1720             dc.DrawLine(x_start, y, x_last, y);
1721         }
1722     }
1723
1724     // Draw vertical rules if required
1725     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1726     {
1727         dc.SetPen(m_penRule);
1728         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1729
1730         int x = x_start;
1731         for (unsigned int i = col_start; i < col_last; i++)
1732         {
1733             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1734             if (col->IsHidden())
1735                 continue;       // skip it
1736
1737             dc.DrawLine(x, GetLineStart( item_start ),
1738                         x, GetLineStart( item_last ) );
1739
1740             x += col->GetWidth();
1741         }
1742
1743         // Draw last vertical rule
1744         dc.DrawLine(x, GetLineStart( item_start ),
1745                     x, GetLineStart( item_last ) );
1746     }
1747
1748     // redraw the background for the items which are selected/current
1749     for (unsigned int item = item_start; item < item_last; item++)
1750     {
1751         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1752         if (selected || item == m_currentRow)
1753         {
1754             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1755             if (item == m_currentRow)
1756                 flags |= wxCONTROL_CURRENT;
1757             if (m_hasFocus)
1758                 flags |= wxCONTROL_FOCUSED;
1759
1760             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1761             wxRendererNative::Get().DrawItemSelectionRect
1762                                 (
1763                                     this,
1764                                     dc,
1765                                     rect,
1766                                     flags
1767                                 );
1768         }
1769     }
1770
1771 #if wxUSE_DRAG_AND_DROP
1772     if (m_dropHint)
1773     {
1774         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1775                     x_last, GetLineHeight( m_dropHintLine ) );
1776         dc.SetPen( *wxBLACK_PEN );
1777         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1778         dc.DrawRectangle( rect );
1779     }
1780 #endif // wxUSE_DRAG_AND_DROP
1781
1782     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1783     if (!expander)
1784     {
1785         // TODO-RTL: last column for RTL support
1786         expander = GetOwner()->GetColumnAt( 0 );
1787         GetOwner()->SetExpanderColumn(expander);
1788     }
1789
1790     // redraw all cells for all rows which must be repainted and all columns
1791     wxRect cell_rect;
1792     cell_rect.x = x_start;
1793     for (unsigned int i = col_start; i < col_last; i++)
1794     {
1795         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1796         wxDataViewRenderer *cell = col->GetRenderer();
1797         cell_rect.width = col->GetWidth();
1798
1799         if (col->IsHidden())
1800             continue;       // skip it!
1801
1802         for (unsigned int item = item_start; item < item_last; item++)
1803         {
1804             // get the cell value and set it into the renderer
1805             wxVariant value;
1806             wxDataViewTreeNode *node = NULL;
1807             wxDataViewItem dataitem;
1808
1809             if (!IsVirtualList())
1810             {
1811                 node = GetTreeNodeByRow(item);
1812                 if( node == NULL )
1813                     continue;
1814
1815                 dataitem = node->GetItem();
1816
1817                 if ((i > 0) && model->IsContainer(dataitem) &&
1818                     !model->HasContainerColumns(dataitem))
1819                     continue;
1820             }
1821             else
1822             {
1823                 dataitem = wxDataViewItem( wxUIntToPtr(item) );
1824             }
1825
1826             model->GetValue( value, dataitem, col->GetModelColumn());
1827             cell->SetValue( value );
1828
1829             if (cell->GetWantsAttr())
1830             {
1831                 wxDataViewItemAttr attr;
1832                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1833                 if (ret)
1834                     cell->SetAttr( attr );
1835                 cell->SetHasAttr( ret );
1836             }
1837
1838             // update cell_rect
1839             cell_rect.y = GetLineStart( item );
1840             cell_rect.height = GetLineHeight( item );
1841
1842             // Draw the expander here.
1843             int indent = 0;
1844             if ((!IsVirtualList()) && (col == expander))
1845             {
1846                 indent = node->GetIndentLevel();
1847
1848                 // Calculate the indent first
1849                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1850
1851                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1852
1853                 // change the cell_rect.x to the appropriate pos
1854                 int expander_x = indent + EXPANDER_MARGIN;
1855                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1856                                  - (expander_width/2) - EXPANDER_OFFSET;
1857
1858                 indent = indent + m_lineHeight;
1859                     // try to use the m_lineHeight as the expander space
1860
1861                 dc.SetPen( m_penExpander );
1862                 dc.SetBrush( wxNullBrush );
1863                 if( node->HasChildren() )
1864                 {
1865                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1866                     int flag = 0;
1867                     if (m_underMouse == node)
1868                     {
1869                         flag |= wxCONTROL_CURRENT;
1870                     }
1871                     if( node->IsOpen() )
1872                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1873                                                                     flag|wxCONTROL_EXPANDED );
1874                     else
1875                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1876                 }
1877
1878                 // force the expander column to left-center align
1879                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1880             }
1881             if (node && !node->HasChildren())
1882             {
1883                 // Yes, if the node does not have any child, it must be a leaf which
1884                 // mean that it is a temporarily created by GetTreeNodeByRow
1885                 wxDELETE(node);
1886             }
1887
1888             // cannot be bigger than allocated space
1889             wxSize size = cell->GetSize();
1890
1891             // Because of the tree structure indent, here we should minus the width
1892             // of the cell for drawing
1893             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1894             // size.y = wxMin( size.y, cell_rect.height );
1895             size.y = cell_rect.height;
1896
1897             wxRect item_rect(cell_rect.GetTopLeft(), size);
1898             int align = cell->CalculateAlignment();
1899
1900             // horizontal alignment:
1901             item_rect.x = cell_rect.x;
1902             if (align & wxALIGN_CENTER_HORIZONTAL)
1903                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1904             else if (align & wxALIGN_RIGHT)
1905                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1906             // else: wxALIGN_LEFT is the default
1907
1908             // vertical alignment:
1909             item_rect.y = cell_rect.y;
1910             if (align & wxALIGN_CENTER_VERTICAL)
1911                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1912             else if (align & wxALIGN_BOTTOM)
1913                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1914             // else: wxALIGN_TOP is the default
1915
1916             // add padding
1917             item_rect.x += PADDING_RIGHTLEFT;
1918             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1919
1920             // Here we add the tree indent
1921             item_rect.x += indent;
1922
1923             int state = 0;
1924             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1925                 state |= wxDATAVIEW_CELL_SELECTED;
1926
1927             // TODO: it would be much more efficient to create a clipping
1928             //       region for the entire column being rendered (in the OnPaint
1929             //       of wxDataViewMainWindow) instead of a single clip region for
1930             //       each cell. However it would mean that each renderer should
1931             //       respect the given wxRect's top & bottom coords, eventually
1932             //       violating only the left & right coords - however the user can
1933             //       make its own renderer and thus we cannot be sure of that.
1934             dc.SetClippingRegion( item_rect );
1935             cell->Render( item_rect, &dc, state );
1936             dc.DestroyClippingRegion();
1937         }
1938
1939         cell_rect.x += cell_rect.width;
1940     }
1941 }
1942
1943 void wxDataViewMainWindow::OnRenameTimer()
1944 {
1945     // We have to call this here because changes may just have
1946     // been made and no screen update taken place.
1947     if ( m_dirty )
1948     {
1949         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1950         //       (needs to be tested!)
1951         wxSafeYield();
1952     }
1953
1954     wxDataViewItem item = GetItemByRow( m_currentRow );
1955
1956     wxRect labelRect = GetItemRect(item, m_currentCol);
1957
1958     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1959 }
1960
1961 //-----------------------------------------------------------------------------
1962 // Helper class for do operation on the tree node
1963 //-----------------------------------------------------------------------------
1964 class DoJob
1965 {
1966 public:
1967     DoJob() { }
1968     virtual ~DoJob() { }
1969
1970     // The return value control how the tree-walker tranverse the tree
1971     // 0: Job done, stop tranverse and return
1972     // 1: Ignore the current node's subtree and continue
1973     // 2: Job not done, continue
1974     enum  { OK = 0 , IGR = 1, CONT = 2 };
1975     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1976     virtual int operator() ( void * n ) = 0;
1977 };
1978
1979 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1980 {
1981     if( node==NULL )
1982         return false;
1983
1984     switch( func( node ) )
1985     {
1986         case DoJob::OK :
1987             return true;
1988         case DoJob::IGR:
1989             return false;
1990         case DoJob::CONT:
1991         default:
1992             ;
1993     }
1994
1995     wxDataViewTreeNodes nodes = node->GetNodes();
1996     wxDataViewTreeLeaves leaves = node->GetChildren();
1997
1998     int len_nodes = nodes.GetCount();
1999     int len = leaves.GetCount();
2000     int i = 0, nodes_i = 0;
2001
2002     for(; i < len; i ++ )
2003     {
2004         void * n = leaves[i];
2005         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2006         {
2007             wxDataViewTreeNode * nd = nodes[nodes_i];
2008             nodes_i++;
2009
2010             if( Walker( nd , func ) )
2011                 return true;
2012
2013         }
2014         else
2015             switch( func( n ) )
2016             {
2017                 case DoJob::OK :
2018                     return true;
2019                 case DoJob::IGR:
2020                     continue;
2021                 case DoJob::CONT:
2022                 default:
2023                 ;
2024             }
2025     }
2026     return false;
2027 }
2028
2029 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2030 {
2031     if (!m_root)
2032     {
2033         m_count++;
2034         UpdateDisplay();
2035         return true;
2036     }
2037
2038     SortPrepare();
2039
2040     wxDataViewTreeNode * node;
2041     node = FindNode(parent);
2042
2043     if( node == NULL )
2044         return false;
2045
2046     node->SetHasChildren( true );
2047
2048     if( g_model->IsContainer( item ) )
2049     {
2050         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2051         newnode->SetItem(item);
2052         newnode->SetHasChildren( true );
2053         node->AddNode( newnode);
2054     }
2055     else
2056         node->AddLeaf( item.GetID() );
2057
2058     node->ChangeSubTreeCount(1);
2059
2060     m_count = -1;
2061     UpdateDisplay();
2062
2063     return true;
2064 }
2065
2066 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2067
2068 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2069                                     const wxDataViewItem& item)
2070 {
2071     if (!m_root)
2072     {
2073         m_count--;
2074         if( m_currentRow > GetRowCount() )
2075             m_currentRow = m_count - 1;
2076
2077         m_selection.Empty();
2078
2079         UpdateDisplay();
2080
2081         return true;
2082     }
2083
2084     wxDataViewTreeNode * node = FindNode(parent);
2085
2086     wxCHECK_MSG( node != NULL, false, "item not found" );
2087     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2088                  false, "item not found" );
2089
2090     int sub = -1;
2091     node->GetChildren().Remove( item.GetID() );
2092     // Manipolate selection
2093     if( m_selection.GetCount() > 1 )
2094     {
2095         m_selection.Empty();
2096     }
2097     bool isContainer = false;
2098     wxDataViewTreeNodes nds = node->GetNodes();
2099     for (size_t i = 0; i < nds.GetCount(); i ++)
2100     {
2101         if (nds[i]->GetItem() == item)
2102         {
2103             isContainer = true;
2104             break;
2105         }
2106     }
2107     if( isContainer )
2108     {
2109         wxDataViewTreeNode * n = NULL;
2110         wxDataViewTreeNodes nodes = node->GetNodes();
2111         int len = nodes.GetCount();
2112         for( int i = 0; i < len; i ++)
2113         {
2114             if( nodes[i]->GetItem() == item )
2115             {
2116                 n = nodes[i];
2117                 break;
2118             }
2119         }
2120
2121         wxCHECK_MSG( n != NULL, false, "item not found" );
2122
2123         node->GetNodes().Remove( n );
2124         sub -= n->GetSubTreeCount();
2125         ::DestroyTreeHelper(n);
2126     }
2127     // Make the row number invalid and get a new valid one when user call GetRowCount
2128     m_count = -1;
2129     node->ChangeSubTreeCount(sub);
2130
2131     // Change the current row to the last row if the current exceed the max row number
2132     if( m_currentRow > GetRowCount() )
2133         m_currentRow = m_count - 1;
2134
2135     UpdateDisplay();
2136
2137     return true;
2138 }
2139
2140 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2141 {
2142     SortPrepare();
2143     g_model->Resort();
2144
2145     // Send event
2146     wxWindow *parent = GetParent();
2147     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2148     le.SetEventObject(parent);
2149     le.SetModel(GetOwner()->GetModel());
2150     le.SetItem(item);
2151     parent->GetEventHandler()->ProcessEvent(le);
2152
2153     return true;
2154 }
2155
2156 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2157 {
2158     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2159 /*#define MAX_VIRTUAL_WIDTH       100000
2160
2161     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2162     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2163     Refresh( true, &rect );
2164
2165     return true;
2166 */
2167     SortPrepare();
2168     g_model->Resort();
2169
2170     // Send event
2171     wxWindow *parent = GetParent();
2172     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2173     le.SetEventObject(parent);
2174     le.SetModel(GetOwner()->GetModel());
2175     le.SetItem(item);
2176     le.SetColumn(col);
2177     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2178     parent->GetEventHandler()->ProcessEvent(le);
2179
2180     return true;
2181 }
2182
2183 bool wxDataViewMainWindow::Cleared()
2184 {
2185     DestroyTree();
2186
2187     SortPrepare();
2188     BuildTree( GetOwner()->GetModel() );
2189
2190     UpdateDisplay();
2191
2192     return true;
2193 }
2194
2195 void wxDataViewMainWindow::UpdateDisplay()
2196 {
2197     m_dirty = true;
2198 }
2199
2200 void wxDataViewMainWindow::OnInternalIdle()
2201 {
2202     wxWindow::OnInternalIdle();
2203
2204     if (m_dirty)
2205     {
2206         RecalculateDisplay();
2207         m_dirty = false;
2208     }
2209 }
2210
2211 void wxDataViewMainWindow::RecalculateDisplay()
2212 {
2213     wxDataViewModel *model = GetOwner()->GetModel();
2214     if (!model)
2215     {
2216         Refresh();
2217         return;
2218     }
2219
2220     int width = GetEndOfLastCol();
2221     int height = GetLineStart( GetRowCount() );
2222
2223     SetVirtualSize( width, height );
2224     GetOwner()->SetScrollRate( 10, m_lineHeight );
2225
2226     Refresh();
2227 }
2228
2229 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2230 {
2231     wxWindow::ScrollWindow( dx, dy, rect );
2232
2233     if (GetOwner()->m_headerArea)
2234         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2235 }
2236
2237 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2238 {
2239     int x, y;
2240     m_owner->GetScrollPixelsPerUnit( &x, &y );
2241     int sy = GetLineStart( rows )/y;
2242     int sx = 0;
2243     if( column != -1 )
2244     {
2245         wxRect rect = GetClientRect();
2246         int colnum = 0;
2247         int x_start, w = 0;
2248         int xx, yy, xe;
2249         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2250         for (x_start = 0; colnum < column; colnum++)
2251         {
2252             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2253             if (col->IsHidden())
2254                 continue;      // skip it!
2255
2256             w = col->GetWidth();
2257             x_start += w;
2258         }
2259
2260         int x_end = x_start + w;
2261         xe = xx + rect.width;
2262         if( x_end > xe )
2263         {
2264             sx = ( xx + x_end - xe )/x;
2265         }
2266         if( x_start < xx )
2267         {
2268             sx = x_start/x;
2269         }
2270     }
2271     m_owner->Scroll( sx, sy );
2272 }
2273
2274 int wxDataViewMainWindow::GetCountPerPage() const
2275 {
2276     wxSize size = GetClientSize();
2277     return size.y / m_lineHeight;
2278 }
2279
2280 int wxDataViewMainWindow::GetEndOfLastCol() const
2281 {
2282     int width = 0;
2283     unsigned int i;
2284     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2285     {
2286         const wxDataViewColumn *c =
2287             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2288
2289         if (!c->IsHidden())
2290             width += c->GetWidth();
2291     }
2292     return width;
2293 }
2294
2295 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2296 {
2297     int x = 0;
2298     int y = 0;
2299     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2300
2301     return GetLineAt( y );
2302 }
2303
2304 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2305 {
2306     wxSize client_size = GetClientSize();
2307     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2308                                     &client_size.x, &client_size.y );
2309
2310     // we should deal with the pixel here
2311     unsigned int row = GetLineAt(client_size.y) - 1;
2312
2313     return wxMin( GetRowCount()-1, row );
2314 }
2315
2316 unsigned int wxDataViewMainWindow::GetRowCount()
2317 {
2318     if ( m_count == -1 )
2319     {
2320         m_count = RecalculateCount();
2321         UpdateDisplay();
2322     }
2323     return m_count;
2324 }
2325
2326 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2327 {
2328     m_currentRow = row;
2329
2330     // send event
2331 }
2332
2333 void wxDataViewMainWindow::SelectAllRows( bool on )
2334 {
2335     if (IsEmpty())
2336         return;
2337
2338     if (on)
2339     {
2340         m_selection.Clear();
2341         for (unsigned int i = 0; i < GetRowCount(); i++)
2342             m_selection.Add( i );
2343         Refresh();
2344     }
2345     else
2346     {
2347         unsigned int first_visible = GetFirstVisibleRow();
2348         unsigned int last_visible = GetLastVisibleRow();
2349         unsigned int i;
2350         for (i = 0; i < m_selection.GetCount(); i++)
2351         {
2352             unsigned int row = m_selection[i];
2353             if ((row >= first_visible) && (row <= last_visible))
2354                 RefreshRow( row );
2355         }
2356         m_selection.Clear();
2357     }
2358 }
2359
2360 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2361 {
2362     if (m_selection.Index( row ) == wxNOT_FOUND)
2363     {
2364         if (on)
2365         {
2366             m_selection.Add( row );
2367             RefreshRow( row );
2368         }
2369     }
2370     else
2371     {
2372         if (!on)
2373         {
2374             m_selection.Remove( row );
2375             RefreshRow( row );
2376         }
2377     }
2378 }
2379
2380 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2381 {
2382     if (from > to)
2383     {
2384         unsigned int tmp = from;
2385         from = to;
2386         to = tmp;
2387     }
2388
2389     unsigned int i;
2390     for (i = from; i <= to; i++)
2391     {
2392         if (m_selection.Index( i ) == wxNOT_FOUND)
2393         {
2394             if (on)
2395                 m_selection.Add( i );
2396         }
2397         else
2398         {
2399             if (!on)
2400                 m_selection.Remove( i );
2401         }
2402     }
2403     RefreshRows( from, to );
2404 }
2405
2406 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2407 {
2408     for (size_t i=0; i < aSelections.GetCount(); i++)
2409     {
2410         int n = aSelections[i];
2411
2412         m_selection.Add( n );
2413         RefreshRow( n );
2414     }
2415 }
2416
2417 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2418 {
2419     if (m_selection.Index( row ) == wxNOT_FOUND)
2420         m_selection.Add( row );
2421     else
2422         m_selection.Remove( row );
2423     RefreshRow( row );
2424 }
2425
2426 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2427 {
2428     return (m_selection.Index( row ) != wxNOT_FOUND);
2429 }
2430
2431 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2432 {
2433     wxWindow *parent = GetParent();
2434     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2435
2436     le.SetEventObject(parent);
2437     le.SetModel(GetOwner()->GetModel());
2438     le.SetItem( item );
2439
2440     parent->GetEventHandler()->ProcessEvent(le);
2441 }
2442
2443 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2444 {
2445     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2446     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2447
2448     wxSize client_size = GetClientSize();
2449     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2450     wxRect intersect_rect = client_rect.Intersect( rect );
2451     if (intersect_rect.width > 0)
2452         Refresh( true, &intersect_rect );
2453 }
2454
2455 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2456 {
2457     if (from > to)
2458     {
2459         unsigned int tmp = to;
2460         to = from;
2461         from = tmp;
2462     }
2463
2464     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2465     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2466
2467     wxSize client_size = GetClientSize();
2468     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2469     wxRect intersect_rect = client_rect.Intersect( rect );
2470     if (intersect_rect.width > 0)
2471         Refresh( true, &intersect_rect );
2472 }
2473
2474 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2475 {
2476     wxSize client_size = GetClientSize();
2477     int start = GetLineStart( firstRow );
2478     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2479     if (start > client_size.y) return;
2480
2481     wxRect rect( 0, start, client_size.x, client_size.y - start );
2482
2483     Refresh( true, &rect );
2484 }
2485
2486 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2487 {
2488     wxCHECK_RET( newCurrent < GetRowCount(),
2489                 _T("invalid item index in OnArrowChar()") );
2490
2491     // if there is no selection, we cannot move it anywhere
2492     if (!HasCurrentRow())
2493         return;
2494
2495     unsigned int oldCurrent = m_currentRow;
2496
2497     // in single selection we just ignore Shift as we can't select several
2498     // items anyhow
2499     if ( event.ShiftDown() && !IsSingleSel() )
2500     {
2501         RefreshRow( oldCurrent );
2502
2503         ChangeCurrentRow( newCurrent );
2504
2505         // select all the items between the old and the new one
2506         if ( oldCurrent > newCurrent )
2507         {
2508             newCurrent = oldCurrent;
2509             oldCurrent = m_currentRow;
2510         }
2511
2512         SelectRows( oldCurrent, newCurrent, true );
2513         if (oldCurrent!=newCurrent)
2514             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2515     }
2516     else // !shift
2517     {
2518         RefreshRow( oldCurrent );
2519
2520         // all previously selected items are unselected unless ctrl is held
2521         if ( !event.ControlDown() )
2522             SelectAllRows(false);
2523
2524         ChangeCurrentRow( newCurrent );
2525
2526         if ( !event.ControlDown() )
2527         {
2528             SelectRow( m_currentRow, true );
2529             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2530         }
2531         else
2532             RefreshRow( m_currentRow );
2533     }
2534
2535     GetOwner()->EnsureVisible( m_currentRow, -1 );
2536 }
2537
2538 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2539 {
2540     wxRect rect;
2541     rect.x = 0;
2542     rect.y = GetLineStart( row );
2543     rect.width = GetEndOfLastCol();
2544     rect.height = GetLineHeight( row );
2545
2546     return rect;
2547 }
2548
2549 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2550 {
2551     const wxDataViewModel *model = GetOwner()->GetModel();
2552
2553     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2554     {
2555         // TODO make more efficient
2556
2557         int start = 0;
2558
2559         unsigned int r;
2560         for (r = 0; r < row; r++)
2561         {
2562             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2563             if (!node) return start;
2564
2565             wxDataViewItem item = node->GetItem();
2566
2567             if (node && !node->HasChildren())
2568             {
2569                 // Yes, if the node does not have any child, it must be a leaf which
2570                 // mean that it is a temporarily created by GetTreeNodeByRow
2571                 wxDELETE(node);
2572             }
2573
2574             unsigned int cols = GetOwner()->GetColumnCount();
2575             unsigned int col;
2576             int height = m_lineHeight;
2577             for (col = 0; col < cols; col++)
2578             {
2579                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2580                 if (column->IsHidden())
2581                     continue;      // skip it!
2582
2583                 if ((col != 0) &&
2584                     model->IsContainer(item) &&
2585                     !model->HasContainerColumns(item))
2586                     continue;      // skip it!
2587
2588                 wxVariant value;
2589                 model->GetValue( value, item, column->GetModelColumn() );
2590
2591                 wxDataViewRenderer *renderer =
2592                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2593                 renderer->SetValue( value );
2594                 height = wxMax( height, renderer->GetSize().y );
2595             }
2596
2597             start += height;
2598         }
2599
2600         return start;
2601     }
2602     else
2603     {
2604         return row * m_lineHeight;
2605     }
2606 }
2607
2608 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2609 {
2610     const wxDataViewModel *model = GetOwner()->GetModel();
2611
2612     // check for the easy case first
2613     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2614         return y / m_lineHeight;
2615
2616     // TODO make more efficient
2617     unsigned int row = 0;
2618     unsigned int yy = 0;
2619     for (;;)
2620     {
2621         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2622         if (!node)
2623         {
2624             // not really correct...
2625             return row + ((y-yy) / m_lineHeight);
2626         }
2627
2628         wxDataViewItem item = node->GetItem();
2629
2630         if (node && !node->HasChildren())
2631         {
2632             // Yes, if the node does not have any child, it must be a leaf which
2633             // mean that it is a temporarily created by GetTreeNodeByRow
2634             wxDELETE(node);
2635         }
2636
2637         unsigned int cols = GetOwner()->GetColumnCount();
2638         unsigned int col;
2639         int height = m_lineHeight;
2640         for (col = 0; col < cols; col++)
2641         {
2642             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2643             if (column->IsHidden())
2644                 continue;      // skip it!
2645
2646             if ((col != 0) &&
2647                 model->IsContainer(item) &&
2648                 !model->HasContainerColumns(item))
2649                 continue;      // skip it!
2650
2651             wxVariant value;
2652             model->GetValue( value, item, column->GetModelColumn() );
2653
2654             wxDataViewRenderer *renderer =
2655                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2656             renderer->SetValue( value );
2657             height = wxMax( height, renderer->GetSize().y );
2658         }
2659
2660         yy += height;
2661         if (y < yy)
2662             return row;
2663
2664         row++;
2665     }
2666 }
2667
2668 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2669 {
2670     const wxDataViewModel *model = GetOwner()->GetModel();
2671
2672     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2673     {
2674         wxASSERT( !IsVirtualList() );
2675
2676         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2677         // wxASSERT( node );
2678         if (!node) return m_lineHeight;
2679
2680         wxDataViewItem item = node->GetItem();
2681
2682         if (node && !node->HasChildren())
2683         {
2684                 // Yes, if the node does not have any child, it must be a leaf which
2685                 // mean that it is a temporarily created by GetTreeNodeByRow
2686             wxDELETE(node);
2687         }
2688
2689         int height = m_lineHeight;
2690
2691         unsigned int cols = GetOwner()->GetColumnCount();
2692         unsigned int col;
2693         for (col = 0; col < cols; col++)
2694         {
2695             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2696             if (column->IsHidden())
2697                 continue;      // skip it!
2698
2699             if ((col != 0) &&
2700                 model->IsContainer(item) &&
2701                 !model->HasContainerColumns(item))
2702                 continue;      // skip it!
2703
2704             wxVariant value;
2705             model->GetValue( value, item, column->GetModelColumn() );
2706
2707             wxDataViewRenderer *renderer =
2708                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2709             renderer->SetValue( value );
2710             height = wxMax( height, renderer->GetSize().y );
2711         }
2712
2713         return height;
2714     }
2715     else
2716     {
2717         return m_lineHeight;
2718     }
2719 }
2720
2721 class RowToItemJob: public DoJob
2722 {
2723 public:
2724     RowToItemJob( unsigned int row , int current )
2725         { this->row = row; this->current = current; }
2726     virtual ~RowToItemJob() {}
2727
2728     virtual int operator() ( wxDataViewTreeNode * node )
2729     {
2730         current ++;
2731         if( current == static_cast<int>(row))
2732         {
2733             ret = node->GetItem();
2734             return DoJob::OK;
2735         }
2736
2737         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2738         {
2739             current += node->GetSubTreeCount();
2740             return  DoJob::IGR;
2741         }
2742         else
2743         {
2744             // If the current has no child node, we can find the desired item of the row
2745             // number directly.
2746             // This if can speed up finding in some case, and will has a very good effect
2747             // when it comes to list view
2748             if( node->GetNodes().GetCount() == 0)
2749             {
2750                 int index = static_cast<int>(row) - current - 1;
2751                 ret = node->GetChildren().Item( index );
2752                 return DoJob::OK;
2753             }
2754             return DoJob::CONT;
2755         }
2756     }
2757
2758     virtual int operator() ( void * n )
2759     {
2760         current ++;
2761         if( current == static_cast<int>(row))
2762         {
2763             ret = wxDataViewItem( n );
2764             return DoJob::OK;
2765         }
2766         return DoJob::CONT;
2767     }
2768
2769     wxDataViewItem GetResult() const
2770         { return ret; }
2771
2772 private:
2773     unsigned int row;
2774     int current;
2775     wxDataViewItem ret;
2776 };
2777
2778 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2779 {
2780     if (!m_root)
2781     {
2782         return wxDataViewItem( wxUIntToPtr(row) );
2783     }
2784     else
2785     {
2786         RowToItemJob job( row, -2 );
2787         Walker( m_root , job );
2788         return job.GetResult();
2789     }
2790 }
2791
2792 class RowToTreeNodeJob: public DoJob
2793 {
2794 public:
2795     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2796     {
2797         this->row = row;
2798         this->current = current;
2799         ret = NULL;
2800         parent = node;
2801     }
2802     virtual ~RowToTreeNodeJob(){ }
2803
2804     virtual int operator() ( wxDataViewTreeNode * node )
2805     {
2806         current ++;
2807         if( current == static_cast<int>(row))
2808         {
2809             ret = node;
2810             return DoJob::OK;
2811         }
2812
2813         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2814         {
2815             current += node->GetSubTreeCount();
2816             return  DoJob::IGR;
2817         }
2818         else
2819         {
2820             parent = node;
2821
2822             // If the current node has no children, we can find the desired item of the
2823             // row number directly.
2824             // This if can speed up finding in some case, and will have a very good
2825             // effect for list views.
2826             if( node->GetNodes().GetCount() == 0)
2827             {
2828                 int index = static_cast<int>(row) - current - 1;
2829                 void * n = node->GetChildren().Item( index );
2830                 ret = new wxDataViewTreeNode( parent );
2831                 ret->SetItem( wxDataViewItem( n ));
2832                 ret->SetHasChildren(false);
2833                 return DoJob::OK;
2834             }
2835             return DoJob::CONT;
2836         }
2837     }
2838
2839     virtual int operator() ( void * n )
2840     {
2841         current ++;
2842         if( current == static_cast<int>(row))
2843         {
2844             ret = new wxDataViewTreeNode( parent );
2845             ret->SetItem( wxDataViewItem( n ));
2846             ret->SetHasChildren(false);
2847             return DoJob::OK;
2848         }
2849
2850         return DoJob::CONT;
2851     }
2852
2853     wxDataViewTreeNode * GetResult() const
2854         { return ret; }
2855
2856 private:
2857     unsigned int row;
2858     int current;
2859     wxDataViewTreeNode * ret;
2860     wxDataViewTreeNode * parent;
2861 };
2862
2863 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2864 {
2865     wxASSERT( !IsVirtualList() );
2866
2867     RowToTreeNodeJob job( row , -2, m_root );
2868     Walker( m_root , job );
2869     return job.GetResult();
2870 }
2871
2872 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2873                                                          const wxDataViewItem & item )
2874 {
2875     wxWindow *parent = GetParent();
2876     wxDataViewEvent le(type, parent->GetId());
2877
2878     le.SetEventObject(parent);
2879     le.SetModel(GetOwner()->GetModel());
2880     le.SetItem( item );
2881
2882     parent->GetEventHandler()->ProcessEvent(le);
2883     return le;
2884 }
2885
2886 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2887 {
2888     if (IsVirtualList())
2889         return false;
2890
2891     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2892     if (!node)
2893         return false;
2894
2895     if (!node->HasChildren())
2896     {
2897         delete node;
2898         return false;
2899     }
2900
2901     return node->IsOpen();
2902 }
2903
2904 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2905 {
2906     if (IsVirtualList())
2907         return false;
2908
2909     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2910     if (!node)
2911         return false;
2912
2913     if (!node->HasChildren())
2914     {
2915         delete node;
2916         return false;
2917     }
2918
2919     return true;
2920 }
2921
2922 void wxDataViewMainWindow::Expand( unsigned int row )
2923 {
2924     if (IsVirtualList())
2925         return;
2926
2927     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2928     if (!node)
2929         return;
2930
2931     if (!node->HasChildren())
2932     {
2933         delete node;
2934         return;
2935     }
2936
2937             if (!node->IsOpen())
2938             {
2939                 wxDataViewEvent e =
2940                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2941
2942                 // Check if the user prevent expanding
2943                 if( e.GetSkipped() )
2944                     return;
2945
2946                 node->ToggleOpen();
2947
2948                 // build the children of current node
2949                 if( node->GetChildrenNumber() == 0 )
2950                 {
2951                     SortPrepare();
2952                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2953                 }
2954
2955                 // By expanding the node all row indices that are currently in the selection list
2956                 // and are greater than our node have become invalid. So we have to correct that now.
2957                 const unsigned rowAdjustment = node->GetSubTreeCount();
2958                 for(unsigned i=0; i<m_selection.size(); ++i)
2959                 {
2960                     const unsigned testRow = m_selection[i];
2961                     // all rows above us are not affected, so skip them
2962                     if(testRow <= row)
2963                         continue;
2964
2965                     m_selection[i] += rowAdjustment;
2966                 }
2967
2968                 if(m_currentRow > row)
2969                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2970
2971                 m_count = -1;
2972                 UpdateDisplay();
2973                 // Send the expanded event
2974                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2975             }
2976 }
2977
2978 void wxDataViewMainWindow::Collapse(unsigned int row)
2979 {
2980     if (IsVirtualList())
2981         return;
2982
2983     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2984     if (!node)
2985         return;
2986
2987     if (!node->HasChildren())
2988     {
2989         delete node;
2990         return;
2991     }
2992
2993         if (node->IsOpen())
2994         {
2995             wxDataViewEvent e =
2996                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2997             if( e.GetSkipped() )
2998                 return;
2999
3000             // Find out if there are selected items below the current node.
3001             bool selectCollapsingRow = false;
3002             const unsigned rowAdjustment = node->GetSubTreeCount();
3003             unsigned maxRowToBeTested = row + rowAdjustment;
3004             for(unsigned i=0; i<m_selection.size(); ++i)
3005             {
3006                 const unsigned testRow = m_selection[i];
3007                 if(testRow > row && testRow <= maxRowToBeTested)
3008                 {
3009                     selectCollapsingRow = true;
3010                     // get out as soon as we have found a node that is selected
3011                     break;
3012                 }
3013             }
3014
3015             node->ToggleOpen();
3016
3017             // If the node to be closed has selected items the user won't see those any longer.
3018             // We select the collapsing node in this case.
3019             if(selectCollapsingRow)
3020             {
3021                 SelectAllRows(false);
3022                 ChangeCurrentRow(row);
3023                 SelectRow(row, true);
3024                 SendSelectionChangedEvent(GetItemByRow(row));
3025             }
3026             else
3027             {
3028                 // if there were no selected items below our node we still need to "fix" the
3029                 // selection list to adjust for the changing of the row indices.
3030                 // We actually do the opposite of what we are doing in Expand().
3031                 for(unsigned i=0; i<m_selection.size(); ++i)
3032                 {
3033                     const unsigned testRow = m_selection[i];
3034                     // all rows above us are not affected, so skip them
3035                     if(testRow <= row)
3036                         continue;
3037
3038                     m_selection[i] -= rowAdjustment;
3039                 }
3040
3041                 // if the "current row" is being collapsed away we change it to the current row ;-)
3042                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3043                     ChangeCurrentRow(row);
3044                 else if(m_currentRow > row)
3045                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3046             }
3047
3048             m_count = -1;
3049             UpdateDisplay();
3050             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3051         }
3052 }
3053
3054 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3055 {
3056     wxDataViewModel * model = GetOwner()->GetModel();
3057     if( model == NULL )
3058         return NULL;
3059
3060     if (!item.IsOk())
3061         return m_root;
3062
3063     // Compose the a parent-chain of the finding item
3064     ItemList list;
3065     list.DeleteContents( true );
3066     wxDataViewItem it( item );
3067     while( it.IsOk() )
3068     {
3069         wxDataViewItem * pItem = new wxDataViewItem( it );
3070         list.Insert( pItem );
3071         it = model->GetParent( it );
3072     }
3073
3074     // Find the item along the parent-chain.
3075     // This algorithm is designed to speed up the node-finding method
3076     wxDataViewTreeNode * node = m_root;
3077     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3078     {
3079         if( node->HasChildren() )
3080         {
3081             if( node->GetChildrenNumber() == 0 )
3082             {
3083                 SortPrepare();
3084                 ::BuildTreeHelper(model, node->GetItem(), node);
3085             }
3086
3087             wxDataViewTreeNodes nodes = node->GetNodes();
3088             unsigned int i;
3089             bool found = false;
3090
3091             for (i = 0; i < nodes.GetCount(); i ++)
3092             {
3093                 if (nodes[i]->GetItem() == (**iter))
3094                 {
3095                     if (nodes[i]->GetItem() == item)
3096                     return nodes[i];
3097
3098                     node = nodes[i];
3099                     found = true;
3100                     break;
3101                 }
3102             }
3103             if (!found)
3104                 return NULL;
3105         }
3106         else
3107             return NULL;
3108     }
3109     return NULL;
3110 }
3111
3112 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3113                                     wxDataViewColumn* &column )
3114 {
3115     wxDataViewColumn *col = NULL;
3116     unsigned int cols = GetOwner()->GetColumnCount();
3117     unsigned int colnum = 0;
3118     int x, y;
3119     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3120     for (unsigned x_start = 0; colnum < cols; colnum++)
3121     {
3122         col = GetOwner()->GetColumnAt(colnum);
3123         if (col->IsHidden())
3124             continue;      // skip it!
3125
3126         unsigned int w = col->GetWidth();
3127         if (x_start+w >= (unsigned int)x)
3128             break;
3129
3130         x_start += w;
3131     }
3132
3133     column = col;
3134     item = GetItemByRow( GetLineAt( y ) );
3135 }
3136
3137 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3138                                           const wxDataViewColumn* column )
3139 {
3140     int xpos = 0;
3141     int width = 0;
3142
3143     unsigned int cols = GetOwner()->GetColumnCount();
3144     // If column is null the loop will compute the combined width of all columns.
3145     // Otherwise, it will compute the x position of the column we are looking for.
3146     for (unsigned int i = 0; i < cols; i++)
3147     {
3148         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3149
3150         if (col == column)
3151             break;
3152
3153         if (col->IsHidden())
3154             continue;      // skip it!
3155
3156         xpos += col->GetWidth();
3157         width += col->GetWidth();
3158     }
3159
3160     if(column != 0)
3161     {
3162         // If we have a column, we need can get its width directly.
3163         if(column->IsHidden())
3164             width = 0;
3165         else
3166             width = column->GetWidth();
3167
3168     }
3169     else
3170     {
3171         // If we have no column, we reset the x position back to zero.
3172         xpos = 0;
3173     }
3174
3175     // we have to take an expander column into account and compute its indentation
3176     // to get the correct x position where the actual text is
3177     int indent = 0;
3178     int row = GetRowByItem(item);
3179     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3180     {
3181         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3182         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3183         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3184
3185         if(!node->HasChildren())
3186             delete node;
3187     }
3188
3189     wxRect itemRect( xpos + indent,
3190                      GetLineStart( row ),
3191                      width - indent,
3192                      GetLineHeight( row ) );
3193
3194     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3195                                       &itemRect.x, &itemRect.y );
3196
3197     return itemRect;
3198 }
3199
3200 int wxDataViewMainWindow::RecalculateCount()
3201 {
3202     if (!m_root)
3203     {
3204         wxDataViewIndexListModel *list_model =
3205             (wxDataViewIndexListModel*) GetOwner()->GetModel();
3206 #ifndef __WXMAC__
3207         return list_model->GetLastIndex() + 1;
3208 #else
3209         return list_model->GetLastIndex() - 1;
3210 #endif
3211     }
3212     else
3213     {
3214         return m_root->GetSubTreeCount();
3215     }
3216 }
3217
3218 class ItemToRowJob : public DoJob
3219 {
3220 public:
3221     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3222         : m_iter(iter),
3223         item(item_)
3224     {
3225         ret = -1;
3226     }
3227
3228     // Maybe binary search will help to speed up this process
3229     virtual int operator() ( wxDataViewTreeNode * node)
3230     {
3231         ret ++;
3232         if( node->GetItem() == item )
3233         {
3234             return DoJob::OK;
3235         }
3236
3237         if( node->GetItem() == **m_iter )
3238         {
3239             m_iter++;
3240             return DoJob::CONT;
3241         }
3242         else
3243         {
3244             ret += node->GetSubTreeCount();
3245             return DoJob::IGR;
3246         }
3247
3248     }
3249
3250     virtual int operator() ( void * n )
3251     {
3252         ret ++;
3253         if( n == item.GetID() )
3254             return DoJob::OK;
3255         return DoJob::CONT;
3256     }
3257
3258     // the row number is begin from zero
3259     int GetResult() const
3260         { return ret -1; }
3261
3262 private:
3263     ItemList::const_iterator  m_iter;
3264     wxDataViewItem item;
3265     int ret;
3266
3267 };
3268
3269 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3270 {
3271     const wxDataViewModel * model = GetOwner()->GetModel();
3272     if( model == NULL )
3273         return -1;
3274
3275     if (!m_root)
3276     {
3277         return wxPtrToUInt( item.GetID() );
3278     }
3279     else
3280     {
3281         if( !item.IsOk() )
3282             return -1;
3283
3284         // Compose the a parent-chain of the finding item
3285         ItemList list;
3286         wxDataViewItem * pItem;
3287         list.DeleteContents( true );
3288         wxDataViewItem it( item );
3289         while( it.IsOk() )
3290         {
3291             pItem = new wxDataViewItem( it );
3292             list.Insert( pItem );
3293             it = model->GetParent( it );
3294         }
3295         pItem = new wxDataViewItem( );
3296         list.Insert( pItem );
3297
3298         ItemToRowJob job( item, list.begin() );
3299         Walker(m_root , job );
3300         return job.GetResult();
3301     }
3302 }
3303
3304 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3305                              wxDataViewTreeNode * node)
3306 {
3307     if( !model->IsContainer( item ) )
3308         return;
3309
3310     wxDataViewItemArray children;
3311     unsigned int num = model->GetChildren( item, children);
3312
3313     unsigned int index = 0;
3314     while( index < num )
3315     {
3316         if( model->IsContainer( children[index] ) )
3317         {
3318             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3319             n->SetItem(children[index]);
3320             n->SetHasChildren( true );
3321             node->AddNode( n );
3322         }
3323         else
3324         {
3325             node->AddLeaf( children[index].GetID() );
3326         }
3327         index ++;
3328     }
3329     node->SetSubTreeCount( num );
3330     wxDataViewTreeNode * n = node->GetParent();
3331     if( n != NULL)
3332         n->ChangeSubTreeCount(num);
3333
3334 }
3335
3336 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3337 {
3338     DestroyTree();
3339
3340     if (GetOwner()->GetModel()->IsVirtualListModel())
3341     {
3342         m_count = -1;
3343         return;
3344     }
3345
3346     m_root = new wxDataViewTreeNode( NULL );
3347     m_root->SetHasChildren(true);
3348
3349     // First we define a invalid item to fetch the top-level elements
3350     wxDataViewItem item;
3351     SortPrepare();
3352     BuildTreeHelper( model, item, m_root);
3353     m_count = -1;
3354 }
3355
3356 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3357 {
3358     if( node->GetNodeNumber() != 0 )
3359     {
3360         int len = node->GetNodeNumber();
3361         wxDataViewTreeNodes& nodes = node->GetNodes();
3362         for (int i = 0; i < len; i++)
3363             DestroyTreeHelper(nodes[i]);
3364     }
3365     delete node;
3366 }
3367
3368 void wxDataViewMainWindow::DestroyTree()
3369 {
3370     if (!IsVirtualList())
3371     {
3372         ::DestroyTreeHelper(m_root);
3373             m_count = 0;
3374             m_root = NULL;
3375     }
3376 }
3377
3378 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3379 {
3380     if ( GetParent()->HandleAsNavigationKey(event) )
3381         return;
3382
3383     // no item -> nothing to do
3384     if (!HasCurrentRow())
3385     {
3386         event.Skip();
3387         return;
3388     }
3389
3390     // don't use m_linesPerPage directly as it might not be computed yet
3391     const int pageSize = GetCountPerPage();
3392     wxCHECK_RET( pageSize, _T("should have non zero page size") );
3393
3394     switch ( event.GetKeyCode() )
3395     {
3396         case WXK_RETURN:
3397             {
3398                 wxWindow *parent = GetParent();
3399                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3400                                    parent->GetId());
3401                 le.SetItem( GetItemByRow(m_currentRow) );
3402                 le.SetEventObject(parent);
3403                 le.SetModel(GetOwner()->GetModel());
3404
3405                 parent->GetEventHandler()->ProcessEvent(le);
3406             }
3407             break;
3408
3409         case WXK_UP:
3410             if ( m_currentRow > 0 )
3411                 OnArrowChar( m_currentRow - 1, event );
3412             break;
3413
3414         case WXK_DOWN:
3415             if ( m_currentRow < GetRowCount() - 1 )
3416                 OnArrowChar( m_currentRow + 1, event );
3417             break;
3418         // Add the process for tree expanding/collapsing
3419         case WXK_LEFT:
3420         {
3421             if (IsVirtualList())
3422                break;
3423
3424             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3425             if (!node)
3426                 break;
3427
3428             if (node->HasChildren() && node->IsOpen())
3429             {
3430                 Collapse(m_currentRow);
3431             }
3432             else    // if the node is already closed we move the selection to its parent
3433             {
3434                 wxDataViewTreeNode *parent_node = node->GetParent();
3435
3436                 if(!node->HasChildren())
3437                     delete node;
3438
3439                 if (parent_node)
3440                 {
3441                     int parent = GetRowByItem( parent_node->GetItem() );
3442                     if ( parent >= 0 )
3443                     {
3444                         unsigned int row = m_currentRow;
3445                         SelectRow( row, false);
3446                         SelectRow( parent, true );
3447                         ChangeCurrentRow( parent );
3448                         GetOwner()->EnsureVisible( parent, -1 );
3449                         SendSelectionChangedEvent( parent_node->GetItem() );
3450                     }
3451                 }
3452             }
3453             break;
3454         }
3455         case WXK_RIGHT:
3456         {
3457             if (!IsExpanded( m_currentRow ))
3458                 Expand( m_currentRow );
3459             else
3460             {
3461                 unsigned int row = m_currentRow;
3462                 SelectRow( row, false );
3463                 SelectRow( row + 1, true );
3464                 ChangeCurrentRow( row + 1 );
3465                 GetOwner()->EnsureVisible( row + 1, -1 );
3466                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3467             }
3468             break;
3469         }
3470         case WXK_END:
3471         {
3472             if (!IsEmpty())
3473                 OnArrowChar( GetRowCount() - 1, event );
3474             break;
3475         }
3476         case WXK_HOME:
3477             if (!IsEmpty())
3478                 OnArrowChar( 0, event );
3479             break;
3480
3481         case WXK_PAGEUP:
3482             {
3483                 int steps = pageSize - 1;
3484                 int index = m_currentRow - steps;
3485                 if (index < 0)
3486                     index = 0;
3487
3488                 OnArrowChar( index, event );
3489             }
3490             break;
3491
3492         case WXK_PAGEDOWN:
3493             {
3494                 int steps = pageSize - 1;
3495                 unsigned int index = m_currentRow + steps;
3496                 unsigned int count = GetRowCount();
3497                 if ( index >= count )
3498                     index = count - 1;
3499
3500                 OnArrowChar( index, event );
3501             }
3502             break;
3503
3504         case WXK_F2:
3505             {
3506                 if(m_selection.size() == 1)
3507                 {
3508                     // TODO: we need to revise that when we have a concept for a 'current column'
3509                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3510                 }
3511             }
3512             break;
3513
3514         default:
3515             event.Skip();
3516     }
3517 }
3518
3519 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3520 {
3521     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3522     {
3523         // let the base handle mouse wheel events.
3524         event.Skip();
3525         return;
3526     }
3527
3528     int x = event.GetX();
3529     int y = event.GetY();
3530     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3531     wxDataViewColumn *col = NULL;
3532
3533     int xpos = 0;
3534     unsigned int cols = GetOwner()->GetColumnCount();
3535     unsigned int i;
3536     for (i = 0; i < cols; i++)
3537     {
3538         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3539         if (c->IsHidden())
3540             continue;      // skip it!
3541
3542         if (x < xpos + c->GetWidth())
3543         {
3544             col = c;
3545             break;
3546         }
3547         xpos += c->GetWidth();
3548     }
3549     if (!col)
3550         return;
3551
3552     wxDataViewRenderer *cell = col->GetRenderer();
3553     unsigned int current = GetLineAt( y );
3554     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3555     {
3556         // Unselect all if below the last row ?
3557         return;
3558     }
3559
3560     // Test whether the mouse is hovered on the tree item button
3561     bool hoverOverExpander = false;
3562     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3563     {
3564         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3565         if( node!=NULL && node->HasChildren() )
3566         {
3567             int indent = node->GetIndentLevel();
3568             indent = GetOwner()->GetIndent()*indent;
3569
3570             // we make the rectangle we are looking in a bit bigger than the actual
3571             // visual expander so the user can hit that little thing reliably
3572             wxRect rect( xpos + indent,
3573                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3574                         m_lineHeight, m_lineHeight);
3575             if( rect.Contains(x, y) )
3576             {
3577                 // So the mouse is over the expander
3578                 hoverOverExpander = true;
3579                 if (m_underMouse && m_underMouse != node)
3580                 {
3581                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3582                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3583                 }
3584                 if (m_underMouse != node)
3585                 {
3586                     // wxLogMessage("Do the row: %d", current);
3587                     RefreshRow(current);
3588                 }
3589                 m_underMouse = node;
3590             }
3591         }
3592         if (node!=NULL && !node->HasChildren())
3593             delete node;
3594     }
3595     if (!hoverOverExpander)
3596     {
3597         if (m_underMouse != NULL)
3598         {
3599             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3600             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3601             m_underMouse = NULL;
3602         }
3603     }
3604
3605     wxDataViewModel *model = GetOwner()->GetModel();
3606
3607 #if wxUSE_DRAG_AND_DROP
3608     if (event.Dragging())
3609     {
3610         if (m_dragCount == 0)
3611         {
3612             // we have to report the raw, physical coords as we want to be
3613             // able to call HitTest(event.m_pointDrag) from the user code to
3614             // get the item being dragged
3615             m_dragStart = event.GetPosition();
3616         }
3617
3618         m_dragCount++;
3619
3620         if (m_dragCount != 3)
3621             return;
3622
3623         if (event.LeftIsDown())
3624         {
3625             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3626                                              &m_dragStart.x, &m_dragStart.y );
3627             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3628             wxDataViewItem item = GetItemByRow( drag_item_row );
3629
3630             // Notify cell about drag
3631             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3632             event.SetEventObject( m_owner );
3633             event.SetItem( item );
3634             event.SetModel( model );
3635             if (!m_owner->HandleWindowEvent( event ))
3636                 return;
3637
3638             if (!event.IsAllowed())
3639                 return;
3640
3641             wxDataObject *obj = event.GetDataObject();
3642             if (!obj)
3643                 return;
3644
3645             wxDataViewDropSource drag( this, drag_item_row );
3646             drag.SetData( *obj );
3647             /* wxDragResult res = */ drag.DoDragDrop();
3648             delete obj;
3649         }
3650         return;
3651     }
3652     else
3653     {
3654         m_dragCount = 0;
3655     }
3656 #endif // wxUSE_DRAG_AND_DROP
3657
3658     bool simulateClick = false;
3659
3660     if (event.ButtonDClick())
3661     {
3662         m_renameTimer->Stop();
3663         m_lastOnSame = false;
3664     }
3665
3666     wxDataViewItem item = GetItemByRow(current);
3667     bool ignore_other_columns =
3668         ((GetOwner()->GetExpanderColumn() != col) &&
3669         (model->IsContainer(item)) &&
3670         (!model->HasContainerColumns(item)));
3671
3672     if (event.LeftDClick())
3673     {
3674         if(hoverOverExpander)
3675         {
3676             // a double click on the expander will be converted into a "simulated" normal click
3677             simulateClick = true;
3678         }
3679         else if ( current == m_lineLastClicked )
3680         {
3681             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3682             {
3683                 wxVariant value;
3684                 model->GetValue( value, item, col->GetModelColumn() );
3685                 cell->SetValue( value );
3686                 wxRect cell_rect( xpos, GetLineStart( current ),
3687                                 col->GetWidth(), GetLineHeight( current ) );
3688                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3689             }
3690             else
3691             {
3692                 wxWindow *parent = GetParent();
3693                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3694                 le.SetItem( item );
3695                 le.SetEventObject(parent);
3696                 le.SetModel(GetOwner()->GetModel());
3697
3698                 parent->GetEventHandler()->ProcessEvent(le);
3699             }
3700             return;
3701         }
3702         else
3703         {
3704             // The first click was on another item, so don't interpret this as
3705             // a double click, but as a simple click instead
3706             simulateClick = true;
3707         }
3708     }
3709
3710     if (event.LeftUp() && !hoverOverExpander)
3711     {
3712         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3713         {
3714             // select single line
3715             SelectAllRows( false );
3716             SelectRow( m_lineSelectSingleOnUp, true );
3717             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3718         }
3719
3720         // If the user click the expander, we do not do editing even if the column
3721         // with expander are editable
3722         if (m_lastOnSame && !ignore_other_columns)
3723         {
3724             if ((col == m_currentCol) && (current == m_currentRow) &&
3725                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3726             {
3727                 m_renameTimer->Start( 100, true );
3728             }
3729         }
3730
3731         m_lastOnSame = false;
3732         m_lineSelectSingleOnUp = (unsigned int)-1;
3733     }
3734     else if(!event.LeftUp())
3735     {
3736         // This is necessary, because after a DnD operation in
3737         // from and to ourself, the up event is swallowed by the
3738         // DnD code. So on next non-up event (which means here and
3739         // now) m_lineSelectSingleOnUp should be reset.
3740         m_lineSelectSingleOnUp = (unsigned int)-1;
3741     }
3742
3743     if (event.RightDown())
3744     {
3745         m_lineBeforeLastClicked = m_lineLastClicked;
3746         m_lineLastClicked = current;
3747
3748         // If the item is already selected, do not update the selection.
3749         // Multi-selections should not be cleared if a selected item is clicked.
3750         if (!IsRowSelected(current))
3751         {
3752             SelectAllRows(false);
3753             ChangeCurrentRow(current);
3754             SelectRow(m_currentRow,true);
3755             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3756         }
3757     }
3758     else if (event.RightUp())
3759     {
3760         wxVariant value;
3761         model->GetValue( value, item, col->GetModelColumn() );
3762         wxWindow *parent = GetParent();
3763         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3764         le.SetItem( item );
3765         le.SetEventObject(parent);
3766         le.SetModel(GetOwner()->GetModel());
3767         le.SetValue(value);
3768         parent->GetEventHandler()->ProcessEvent(le);
3769     }
3770     else if (event.MiddleDown())
3771     {
3772     }
3773
3774     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3775     {
3776         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3777
3778         // hoverOverExpander being true tells us that our node must be
3779         // valid and have children.
3780         // So we don't need any extra checks.
3781         if( node->IsOpen() )
3782             Collapse(current);
3783         else
3784             Expand(current);
3785     }
3786     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3787     {
3788         SetFocus();
3789
3790         m_lineBeforeLastClicked = m_lineLastClicked;
3791         m_lineLastClicked = current;
3792
3793         unsigned int oldCurrentRow = m_currentRow;
3794         bool oldWasSelected = IsRowSelected(m_currentRow);
3795
3796         bool cmdModifierDown = event.CmdDown();
3797         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3798         {
3799             if ( IsSingleSel() || !IsRowSelected(current) )
3800             {
3801                 SelectAllRows( false );
3802                 ChangeCurrentRow(current);
3803                 SelectRow(m_currentRow,true);
3804                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3805             }
3806             else // multi sel & current is highlighted & no mod keys
3807             {
3808                 m_lineSelectSingleOnUp = current;
3809                 ChangeCurrentRow(current); // change focus
3810             }
3811         }
3812         else // multi sel & either ctrl or shift is down
3813         {
3814             if (cmdModifierDown)
3815             {
3816                 ChangeCurrentRow(current);
3817                 ReverseRowSelection(m_currentRow);
3818                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3819             }
3820             else if (event.ShiftDown())
3821             {
3822                 ChangeCurrentRow(current);
3823
3824                 unsigned int lineFrom = oldCurrentRow,
3825                     lineTo = current;
3826
3827                 if ( lineTo < lineFrom )
3828                 {
3829                     lineTo = lineFrom;
3830                     lineFrom = m_currentRow;
3831                 }
3832
3833                 SelectRows(lineFrom, lineTo, true);
3834                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3835             }
3836             else // !ctrl, !shift
3837             {
3838                 // test in the enclosing if should make it impossible
3839                 wxFAIL_MSG( _T("how did we get here?") );
3840             }
3841         }
3842
3843         if (m_currentRow != oldCurrentRow)
3844             RefreshRow( oldCurrentRow );
3845
3846         wxDataViewColumn *oldCurrentCol = m_currentCol;
3847
3848         // Update selection here...
3849         m_currentCol = col;
3850
3851         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3852                         (current == oldCurrentRow)) && oldWasSelected;
3853
3854         // Call LeftClick after everything else as under GTK+
3855         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3856         {
3857             // notify cell about right click
3858             wxVariant value;
3859             model->GetValue( value, item, col->GetModelColumn() );
3860             cell->SetValue( value );
3861             wxRect cell_rect( xpos, GetLineStart( current ),
3862                               col->GetWidth(), GetLineHeight( current ) );
3863              /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3864                               model, item, col->GetModelColumn());
3865         }
3866     }
3867 }
3868
3869 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3870 {
3871     m_hasFocus = true;
3872
3873     if (HasCurrentRow())
3874         Refresh();
3875
3876     event.Skip();
3877 }
3878
3879 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3880 {
3881     m_hasFocus = false;
3882
3883     if (HasCurrentRow())
3884         Refresh();
3885
3886     event.Skip();
3887 }
3888
3889 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3890 {
3891     if( m_selection.GetCount() != 1 )
3892         return wxDataViewItem();
3893
3894     return GetItemByRow( m_selection.Item(0));
3895 }
3896
3897 //-----------------------------------------------------------------------------
3898 // wxDataViewCtrl
3899 //-----------------------------------------------------------------------------
3900
3901 WX_DEFINE_LIST(wxDataViewColumnList)
3902
3903 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3904 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3905     EVT_SIZE(wxDataViewCtrl::OnSize)
3906 END_EVENT_TABLE()
3907
3908 wxDataViewCtrl::~wxDataViewCtrl()
3909 {
3910     if (m_notifier)
3911         GetModel()->RemoveNotifier( m_notifier );
3912
3913     m_cols.Clear();
3914 }
3915
3916 void wxDataViewCtrl::Init()
3917 {
3918     m_cols.DeleteContents(true);
3919     m_notifier = NULL;
3920
3921     // No sorting column at start
3922     m_sortingColumnIdx = wxNOT_FOUND;
3923
3924     m_headerArea = NULL;
3925 }
3926
3927 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3928                             const wxPoint& pos, const wxSize& size,
3929                             long style, const wxValidator& validator )
3930 {
3931 //    if ( (style & wxBORDER_MASK) == 0)
3932 //        style |= wxBORDER_SUNKEN;
3933
3934     Init();
3935
3936     if (!wxControl::Create( parent, id, pos, size,
3937                             style | wxScrolledWindowStyle, validator))
3938         return false;
3939
3940     SetInitialSize(size);
3941
3942 #ifdef __WXMAC__
3943     MacSetClipChildren( true );
3944 #endif
3945
3946     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3947
3948     if (HasFlag(wxDV_NO_HEADER))
3949         m_headerArea = NULL;
3950     else
3951         m_headerArea = new wxDataViewHeaderWindow(this);
3952
3953     SetTargetWindow( m_clientArea );
3954
3955     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3956     if (m_headerArea)
3957         sizer->Add( m_headerArea, 0, wxGROW );
3958     sizer->Add( m_clientArea, 1, wxGROW );
3959     SetSizer( sizer );
3960
3961     return true;
3962 }
3963
3964 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3965 {
3966     return wxBORDER_THEME;
3967 }
3968
3969 #ifdef __WXMSW__
3970 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3971                                         WXWPARAM wParam,
3972                                         WXLPARAM lParam)
3973 {
3974     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3975
3976 #ifndef __WXWINCE__
3977     // we need to process arrows ourselves for scrolling
3978     if ( nMsg == WM_GETDLGCODE )
3979     {
3980         rc |= DLGC_WANTARROWS;
3981     }
3982 #endif
3983
3984     return rc;
3985 }
3986 #endif
3987
3988 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3989 {
3990     wxSize newsize = size;
3991     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3992     newsize.y -= m_headerArea->GetSize().y;
3993
3994     return newsize;
3995 }
3996
3997 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3998 {
3999     // We need to override OnSize so that our scrolled
4000     // window a) does call Layout() to use sizers for
4001     // positioning the controls but b) does not query
4002     // the sizer for their size and use that for setting
4003     // the scrollable area as set that ourselves by
4004     // calling SetScrollbar() further down.
4005
4006     Layout();
4007
4008     AdjustScrollbars();
4009 }
4010
4011 void wxDataViewCtrl::SetFocus()
4012 {
4013     if (m_clientArea)
4014         m_clientArea->SetFocus();
4015 }
4016
4017 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4018 {
4019     if (!wxDataViewCtrlBase::AssociateModel( model ))
4020         return false;
4021
4022     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4023
4024     model->AddNotifier( m_notifier );
4025
4026     m_clientArea->DestroyTree();
4027
4028     m_clientArea->BuildTree(model);
4029
4030     m_clientArea->UpdateDisplay();
4031
4032     return true;
4033 }
4034
4035 #if wxUSE_DRAG_AND_DROP
4036
4037 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4038 {
4039     return m_clientArea->EnableDragSource( format );
4040 }
4041
4042 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4043 {
4044     return m_clientArea->EnableDropTarget( format );
4045 }
4046
4047 #endif // wxUSE_DRAG_AND_DROP
4048
4049 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4050 {
4051     if (!wxDataViewCtrlBase::AppendColumn(col))
4052         return false;
4053
4054     m_cols.Append( col );
4055     OnColumnsCountChanged();
4056     return true;
4057 }
4058
4059 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4060 {
4061     if (!wxDataViewCtrlBase::PrependColumn(col))
4062         return false;
4063
4064     m_cols.Insert( col );
4065     OnColumnsCountChanged();
4066     return true;
4067 }
4068
4069 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4070 {
4071     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4072         return false;
4073
4074     m_cols.Insert( pos, col );
4075     OnColumnsCountChanged();
4076     return true;
4077 }
4078
4079 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4080 {
4081     if ( m_headerArea )
4082         m_headerArea->UpdateColumn(idx);
4083
4084     m_clientArea->UpdateDisplay();
4085 }
4086
4087 void wxDataViewCtrl::OnColumnsCountChanged()
4088 {
4089     if (m_headerArea)
4090         m_headerArea->SetColumnCount(GetColumnCount());
4091
4092     m_clientArea->UpdateDisplay();
4093 }
4094
4095 void wxDataViewCtrl::DoSetExpanderColumn()
4096 {
4097     m_clientArea->UpdateDisplay();
4098 }
4099
4100 void wxDataViewCtrl::DoSetIndent()
4101 {
4102     m_clientArea->UpdateDisplay();
4103 }
4104
4105 unsigned int wxDataViewCtrl::GetColumnCount() const
4106 {
4107     return m_cols.GetCount();
4108 }
4109
4110 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4111 {
4112     return m_cols[idx];
4113 }
4114
4115 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4116 {
4117     // columns can't be reordered if there is no header window which allows
4118     // to do this
4119     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4120                                     : pos;
4121
4122     return GetColumn(idx);
4123 }
4124
4125 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4126 {
4127     const unsigned count = m_cols.size();
4128     for ( unsigned n = 0; n < count; n++ )
4129     {
4130         if ( m_cols[n] == column )
4131             return n;
4132     }
4133
4134     return wxNOT_FOUND;
4135 }
4136
4137 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4138                                 unsigned int WXUNUSED(new_pos))
4139 {
4140     // do _not_ reorder m_cols elements here, they should always be in the
4141     // order in which columns were added, we only display the columns in
4142     // different order
4143     m_clientArea->UpdateDisplay();
4144 }
4145
4146 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4147 {
4148     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4149     if (!ret)
4150         return false;
4151
4152     m_cols.Erase(ret);
4153     OnColumnsCountChanged();
4154
4155     return true;
4156 }
4157
4158 bool wxDataViewCtrl::ClearColumns()
4159 {
4160     m_cols.Clear();
4161     OnColumnsCountChanged();
4162     return true;
4163 }
4164
4165 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4166 {
4167     int ret = 0,
4168         dummy = 0;
4169     unsigned int len = GetColumnCount();
4170     for ( unsigned int i = 0; i < len; i++ )
4171     {
4172         wxDataViewColumn * col = GetColumnAt(i);
4173         if (col->IsHidden())
4174             continue;
4175         ret += col->GetWidth();
4176         if (column==col)
4177         {
4178             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4179             break;
4180         }
4181     }
4182     return ret;
4183 }
4184
4185 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4186 {
4187     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4188                                             : GetColumn(m_sortingColumnIdx);
4189 }
4190
4191 // Selection code with wxDataViewItem as parameters
4192 wxDataViewItem wxDataViewCtrl::GetSelection() const
4193 {
4194     return m_clientArea->GetSelection();
4195 }
4196
4197 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4198 {
4199     sel.Empty();
4200     wxDataViewSelection selection = m_clientArea->GetSelections();
4201     int len = selection.GetCount();
4202     for( int i = 0; i < len; i ++)
4203     {
4204         unsigned int row = selection[i];
4205         sel.Add( m_clientArea->GetItemByRow( row ) );
4206     }
4207     return len;
4208 }
4209
4210 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4211 {
4212     wxDataViewSelection selection(wxDataViewSelectionCmp);
4213
4214     wxDataViewItem last_parent;
4215
4216     int len = sel.GetCount();
4217     for( int i = 0; i < len; i ++ )
4218     {
4219         wxDataViewItem item = sel[i];
4220         wxDataViewItem parent = GetModel()->GetParent( item );
4221         if (parent)
4222         {
4223             if (parent != last_parent)
4224                 ExpandAncestors(item);
4225         }
4226
4227         last_parent = parent;
4228         int row = m_clientArea->GetRowByItem( item );
4229         if( row >= 0 )
4230             selection.Add( static_cast<unsigned int>(row) );
4231     }
4232
4233     m_clientArea->SetSelections( selection );
4234 }
4235
4236 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4237 {
4238     ExpandAncestors( item );
4239
4240     int row = m_clientArea->GetRowByItem( item );
4241     if( row >= 0 )
4242     {
4243         // Unselect all rows before select another in the single select mode
4244         if (m_clientArea->IsSingleSel())
4245             m_clientArea->SelectAllRows(false);
4246         m_clientArea->SelectRow(row, true);
4247     }
4248 }
4249
4250 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4251 {
4252     int row = m_clientArea->GetRowByItem( item );
4253     if( row >= 0 )
4254         m_clientArea->SelectRow(row, false);
4255 }
4256
4257 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4258 {
4259     int row = m_clientArea->GetRowByItem( item );
4260     if( row >= 0 )
4261     {
4262         return m_clientArea->IsRowSelected(row);
4263     }
4264     return false;
4265 }
4266
4267 // Selection code with row number as parameter
4268 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4269 {
4270     sel.Empty();
4271     wxDataViewSelection selection = m_clientArea->GetSelections();
4272     int len = selection.GetCount();
4273     for( int i = 0; i < len; i ++)
4274     {
4275         unsigned int row = selection[i];
4276         sel.Add( row );
4277     }
4278     return len;
4279 }
4280
4281 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4282 {
4283     wxDataViewSelection selection(wxDataViewSelectionCmp);
4284     int len = sel.GetCount();
4285     for( int i = 0; i < len; i ++ )
4286     {
4287         int row = sel[i];
4288         if( row >= 0 )
4289             selection.Add( static_cast<unsigned int>(row) );
4290     }
4291     m_clientArea->SetSelections( selection );
4292 }
4293
4294 void wxDataViewCtrl::Select( int row )
4295 {
4296     if( row >= 0 )
4297     {
4298         if (m_clientArea->IsSingleSel())
4299             m_clientArea->SelectAllRows(false);
4300         m_clientArea->SelectRow( row, true );
4301     }
4302 }
4303
4304 void wxDataViewCtrl::Unselect( int row )
4305 {
4306     if( row >= 0 )
4307         m_clientArea->SelectRow(row, false);
4308 }
4309
4310 bool wxDataViewCtrl::IsSelected( int row ) const
4311 {
4312     if( row >= 0 )
4313         return m_clientArea->IsRowSelected(row);
4314     return false;
4315 }
4316
4317 void wxDataViewCtrl::SelectRange( int from, int to )
4318 {
4319     wxArrayInt sel;
4320     for( int i = from; i < to; i ++ )
4321         sel.Add( i );
4322     m_clientArea->Select(sel);
4323 }
4324
4325 void wxDataViewCtrl::UnselectRange( int from, int to )
4326 {
4327     wxDataViewSelection sel = m_clientArea->GetSelections();
4328     for( int i = from; i < to; i ++ )
4329         if( sel.Index( i ) != wxNOT_FOUND )
4330             sel.Remove( i );
4331     m_clientArea->SetSelections(sel);
4332 }
4333
4334 void wxDataViewCtrl::SelectAll()
4335 {
4336     m_clientArea->SelectAllRows(true);
4337 }
4338
4339 void wxDataViewCtrl::UnselectAll()
4340 {
4341     m_clientArea->SelectAllRows(false);
4342 }
4343
4344 void wxDataViewCtrl::EnsureVisible( int row, int column )
4345 {
4346     if( row < 0 )
4347         row = 0;
4348     if( row > (int) m_clientArea->GetRowCount() )
4349         row = m_clientArea->GetRowCount();
4350
4351     int first = m_clientArea->GetFirstVisibleRow();
4352     int last = m_clientArea->GetLastVisibleRow();
4353     if( row < first )
4354         m_clientArea->ScrollTo( row, column );
4355     else if( row > last )
4356         m_clientArea->ScrollTo( row - last + first, column );
4357     else
4358         m_clientArea->ScrollTo( first, column );
4359 }
4360
4361 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4362 {
4363     ExpandAncestors( item );
4364
4365     m_clientArea->RecalculateDisplay();
4366
4367     int row = m_clientArea->GetRowByItem(item);
4368     if( row >= 0 )
4369     {
4370         if( column == NULL )
4371             EnsureVisible(row, -1);
4372         else
4373             EnsureVisible( row, GetColumnIndex(column) );
4374     }
4375
4376 }
4377
4378 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4379                               wxDataViewColumn* &column ) const
4380 {
4381     m_clientArea->HitTest(point, item, column);
4382 }
4383
4384 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4385                                     const wxDataViewColumn* column ) const
4386 {
4387     return m_clientArea->GetItemRect(item, column);
4388 }
4389
4390 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4391 {
4392     return m_clientArea->GetItemByRow( row );
4393 }
4394
4395 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4396 {
4397     return m_clientArea->GetRowByItem( item );
4398 }
4399
4400 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4401 {
4402     int row = m_clientArea->GetRowByItem( item );
4403     if (row != -1)
4404         m_clientArea->Expand(row);
4405 }
4406
4407 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4408 {
4409     int row = m_clientArea->GetRowByItem( item );
4410     if (row != -1)
4411         m_clientArea->Collapse(row);
4412 }
4413
4414 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4415 {
4416     int row = m_clientArea->GetRowByItem( item );
4417     if (row != -1)
4418         return m_clientArea->IsExpanded(row);
4419     return false;
4420 }
4421
4422 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4423 {
4424     wxDataViewColumn* col = GetColumn( column );
4425     if (!col)
4426         return;
4427
4428     wxRect itemRect = GetItemRect(item, col);
4429     wxDataViewRenderer* renderer = col->GetRenderer();
4430     renderer->StartEditing(item, itemRect);
4431 }
4432
4433 #endif // !wxUSE_GENERICDATAVIEWCTRL
4434
4435 #endif // wxUSE_DATAVIEWCTRL