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