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;
  92     m_minWidth = 0;
  93     m_align = align;
  94     m_flags = flags;
  95     m_sort = false;
  96     m_sortAscending = true;
  97 }
  98
  99 int wxDataViewColumn::GetWidth() const
 100 {
 101     switch ( m_width )
 102     {
 103         case wxCOL_WIDTH_DEFAULT:
 104             return wxDVC_DEFAULT_WIDTH;
 105
 106         case wxCOL_WIDTH_AUTOSIZE:
 107             wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" );
 108             return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this));
 109
 110         default:
 111             return m_width;
 112     }
 113 }
 114
 115 void wxDataViewColumn::UpdateDisplay()
 116 {
 117     if (m_owner)
 118     {
 119         int idx = m_owner->GetColumnIndex( this );
 120         m_owner->OnColumnChange( idx );
 121     }
 122 }
 123
 124 //-----------------------------------------------------------------------------
 125 // wxDataViewHeaderWindow
 126 //-----------------------------------------------------------------------------
 127
 128 class wxDataViewHeaderWindow : public wxHeaderCtrl
 129 {
 130 public:
 131     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
 132         : wxHeaderCtrl(parent)
 133     {
 134     }
 135
 136     wxDataViewCtrl *GetOwner() const
 137         { return static_cast<wxDataViewCtrl *>(GetParent()); }
 138
 139 protected:
 140     // implement/override wxHeaderCtrl functions by forwarding them to the main
 141     // control
 142     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
 143     {
 144         return *(GetOwner()->GetColumn(idx));
 145     }
 146
 147     // FIXME: currently unused
 148     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 149     {
 150         wxDataViewCtrl * const owner = GetOwner();
 151
 152         int widthContents = owner->GetBestColumnWidth(idx);
 153         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 154         owner->OnColumnChange(idx);
 155
 156         return true;
 157     }
 158
 159 private:
 160     bool SendEvent(wxEventType type, unsigned int n)
 161     {
 162         wxDataViewCtrl * const owner = GetOwner();
 163         wxDataViewEvent event(type, owner->GetId());
 164
 165         event.SetEventObject(owner);
 166         event.SetColumn(n);
 167         event.SetDataViewColumn(owner->GetColumn(n));
 168         event.SetModel(owner->GetModel());
 169
 170         // for events created by wxDataViewHeaderWindow the
 171         // row / value fields are not valid
 172         return owner->GetEventHandler()->ProcessEvent(event);
 173     }
 174
 175     void OnClick(wxHeaderCtrlEvent& event)
 176     {
 177         const unsigned idx = event.GetColumn();
 178
 179         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 180             return;
 181
 182         // default handling for the column click is to sort by this column or
 183         // toggle its sort order
 184         wxDataViewCtrl * const owner = GetOwner();
 185         wxDataViewColumn * const col = owner->GetColumn(idx);
 186         if ( !col->IsSortable() )
 187         {
 188             // no default handling for non-sortable columns
 189             event.Skip();
 190             return;
 191         }
 192
 193         if ( col->IsSortKey() )
 194         {
 195             // already using this column for sorting, just change the order
 196             col->ToggleSortOrder();
 197         }
 198         else // not using this column for sorting yet
 199         {
 200             // first unset the old sort column if any
 201             int oldSortKey = owner->GetSortingColumnIndex();
 202             if ( oldSortKey != wxNOT_FOUND )
 203             {
 204                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 205                 owner->OnColumnChange(oldSortKey);
 206             }
 207
 208             owner->SetSortingColumnIndex(idx);
 209             col->SetAsSortKey();
 210         }
 211
 212         wxDataViewModel * const model = owner->GetModel();
 213         if ( model )
 214             model->Resort();
 215
 216         owner->OnColumnChange(idx);
 217     }
 218
 219     void OnRClick(wxHeaderCtrlEvent& event)
 220     {
 221         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 222                         event.GetColumn()) )
 223             event.Skip();
 224     }
 225
 226     void OnResize(wxHeaderCtrlEvent& event)
 227     {
 228         wxDataViewCtrl * const owner = GetOwner();
 229
 230         const unsigned col = event.GetColumn();
 231         owner->GetColumn(col)->SetWidth(event.GetWidth());
 232         GetOwner()->OnColumnChange(col);
 233     }
 234
 235     void OnEndReorder(wxHeaderCtrlEvent& event)
 236     {
 237         wxDataViewCtrl * const owner = GetOwner();
 238         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 239                         event.GetNewOrder());
 240     }
 241
 242     DECLARE_EVENT_TABLE()
 243     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 244 };
 245
 246 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 247     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 248     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 249
 250     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 251     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 252
 253     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 254 END_EVENT_TABLE()
 255
 256 //-----------------------------------------------------------------------------
 257 // wxDataViewRenameTimer
 258 //-----------------------------------------------------------------------------
 259
 260 class wxDataViewRenameTimer: public wxTimer
 261 {
 262 private:
 263     wxDataViewMainWindow *m_owner;
 264
 265 public:
 266     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 267     void Notify();
 268 };
 269
 270 //-----------------------------------------------------------------------------
 271 // wxDataViewTreeNode
 272 //-----------------------------------------------------------------------------
 273
 274 class wxDataViewTreeNode;
 275 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 276 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 277
 278 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 279                                            wxDataViewTreeNode ** node2);
 280 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 281
 282 class wxDataViewTreeNode
 283 {
 284 public:
 285     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 286     {
 287         m_parent = parent;
 288         if (!parent)
 289             m_open = true;
 290         else
 291             m_open = false;
 292         m_hasChildren = false;
 293         m_subTreeCount  = 0;
 294     }
 295
 296     ~wxDataViewTreeNode()
 297     {
 298     }
 299
 300     wxDataViewTreeNode * GetParent() const { return m_parent; }
 301     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 302     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 303     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 304
 305     void AddNode( wxDataViewTreeNode * node )
 306     {
 307         m_leaves.Add( node->GetItem().GetID() );
 308         if (g_column >= -1)
 309             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 310         m_nodes.Add( node );
 311         if (g_column >= -1)
 312             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 313     }
 314     void AddLeaf( void * leaf )
 315     {
 316         m_leaves.Add( leaf );
 317         if (g_column >= -1)
 318             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 319     }
 320
 321     wxDataViewItem & GetItem() { return m_item; }
 322     const wxDataViewItem & GetItem() const { return m_item; }
 323     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 324
 325     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 326     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 327     int GetIndentLevel() const
 328     {
 329         int ret = 0;
 330         const wxDataViewTreeNode * node = this;
 331         while( node->GetParent()->GetParent() != NULL )
 332         {
 333             node = node->GetParent();
 334             ret ++;
 335         }
 336         return ret;
 337     }
 338
 339     bool IsOpen() const
 340     {
 341         return m_open;
 342     }
 343
 344     void ToggleOpen()
 345     {
 346         int len = m_nodes.GetCount();
 347         int sum = 0;
 348         for ( int i = 0;i < len; i ++)
 349             sum += m_nodes[i]->GetSubTreeCount();
 350
 351         sum += m_leaves.GetCount();
 352         if (m_open)
 353         {
 354             ChangeSubTreeCount(-sum);
 355             m_open = !m_open;
 356         }
 357         else
 358         {
 359             m_open = !m_open;
 360             ChangeSubTreeCount(sum);
 361         }
 362     }
 363     bool HasChildren() const { return m_hasChildren; }
 364     void SetHasChildren( bool has ){ m_hasChildren = has; }
 365
 366     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 367     int GetSubTreeCount() const { return m_subTreeCount; }
 368     void ChangeSubTreeCount( int num )
 369     {
 370         if( !m_open )
 371             return;
 372         m_subTreeCount += num;
 373         if( m_parent )
 374             m_parent->ChangeSubTreeCount(num);
 375     }
 376
 377     void Resort()
 378     {
 379         if (g_column >= -1)
 380         {
 381             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 382             int len = m_nodes.GetCount();
 383             for (int i = 0; i < len; i ++)
 384                 m_nodes[i]->Resort();
 385             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 386         }
 387     }
 388
 389 private:
 390     wxDataViewTreeNode  *m_parent;
 391     wxDataViewTreeNodes  m_nodes;
 392     wxDataViewTreeLeaves m_leaves;
 393     wxDataViewItem       m_item;
 394     bool                 m_open;
 395     bool                 m_hasChildren;
 396     int                  m_subTreeCount;
 397 };
 398
 399 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 400                                            wxDataViewTreeNode ** node2)
 401 {
 402     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 403 }
 404
 405 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 406 {
 407     return g_model->Compare( *id1, *id2, g_column, g_asending );
 408 }
 409
 410
 411 //-----------------------------------------------------------------------------
 412 // wxDataViewMainWindow
 413 //-----------------------------------------------------------------------------
 414
 415 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 416                                             WXDLLIMPEXP_ADV);
 417 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 418 WX_DEFINE_LIST(ItemList)
 419
 420 class wxDataViewMainWindow: public wxWindow
 421 {
 422 public:
 423     wxDataViewMainWindow( wxDataViewCtrl *parent,
 424                             wxWindowID id,
 425                             const wxPoint &pos = wxDefaultPosition,
 426                             const wxSize &size = wxDefaultSize,
 427                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 428     virtual ~wxDataViewMainWindow();
 429
 430     bool IsList() const { return GetOwner()->GetModel()->IsListModel(); }
 431     bool IsVirtualList() const { return m_root == NULL; }
 432
 433     // notifications from wxDataViewModel
 434     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 435     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 436     bool ItemChanged( const wxDataViewItem &item );
 437     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 438     bool Cleared();
 439     void Resort()
 440     {
 441         if (!IsVirtualList())
 442         {
 443             SortPrepare();
 444             m_root->Resort();
 445         }
 446         UpdateDisplay();
 447     }
 448
 449     void SortPrepare()
 450     {
 451         g_model = GetOwner()->GetModel();
 452         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 453         if( !col )
 454         {
 455             if (g_model->HasDefaultCompare())
 456                 g_column = -1;
 457             else
 458                 g_column = -2;
 459
 460             g_asending = true;
 461             return;
 462         }
 463         g_column = col->GetModelColumn();
 464         g_asending = col->IsSortOrderAscending();
 465     }
 466
 467     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 468     wxDataViewCtrl *GetOwner() { return m_owner; }
 469     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 470
 471 #if wxUSE_DRAG_AND_DROP
 472     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 473 #endif // wxUSE_DRAG_AND_DROP
 474     void OnPaint( wxPaintEvent &event );
 475     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 476     void OnChar( wxKeyEvent &event );
 477     void OnMouse( wxMouseEvent &event );
 478     void OnSetFocus( wxFocusEvent &event );
 479     void OnKillFocus( wxFocusEvent &event );
 480
 481     void UpdateDisplay();
 482     void RecalculateDisplay();
 483     void OnInternalIdle();
 484
 485     void OnRenameTimer();
 486
 487     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 488     void ScrollTo( int rows, int column );
 489
 490     unsigned GetCurrentRow() const { return m_currentRow; }
 491     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 492     void ChangeCurrentRow( unsigned int row );
 493
 494     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 495     bool IsEmpty() { return GetRowCount() == 0; }
 496
 497     int GetCountPerPage() const;
 498     int GetEndOfLastCol() const;
 499     unsigned int GetFirstVisibleRow() const;
 500
 501     // I change this method to un const because in the tree view,
 502     // the displaying number of the tree are changing along with the
 503     // expanding/collapsing of the tree nodes
 504     unsigned int GetLastVisibleRow();
 505     unsigned int GetRowCount();
 506
 507     wxDataViewItem GetSelection() const;
 508     wxDataViewSelection GetSelections(){ return m_selection; }
 509     void SetSelections( const wxDataViewSelection & sel )
 510         { m_selection = sel; UpdateDisplay(); }
 511     void Select( const wxArrayInt& aSelections );
 512     void SelectAllRows( bool on );
 513     void SelectRow( unsigned int row, bool on );
 514     void SelectRows( unsigned int from, unsigned int to, bool on );
 515     void ReverseRowSelection( unsigned int row );
 516     bool IsRowSelected( unsigned int row );
 517     void SendSelectionChangedEvent( const wxDataViewItem& item);
 518
 519     void RefreshRow( unsigned int row );
 520     void RefreshRows( unsigned int from, unsigned int to );
 521     void RefreshRowsAfter( unsigned int firstRow );
 522
 523     // returns the colour to be used for drawing the rules
 524     wxColour GetRuleColour() const
 525     {
 526         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 527     }
 528
 529     wxRect GetLineRect( unsigned int row ) const;
 530
 531     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 532     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 533     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 534
 535     // Some useful functions for row and item mapping
 536     wxDataViewItem GetItemByRow( unsigned int row ) const;
 537     int GetRowByItem( const wxDataViewItem & item ) const;
 538
 539     // Methods for building the mapping tree
 540     void BuildTree( wxDataViewModel  * model );
 541     void DestroyTree();
 542     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 543     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 544
 545     void Expand( unsigned int row );
 546     void Collapse( unsigned int row );
 547     bool IsExpanded( unsigned int row ) const;
 548     bool HasChildren( unsigned int row ) const;
 549
 550 #if wxUSE_DRAG_AND_DROP
 551     bool EnableDragSource( const wxDataFormat &format );
 552     bool EnableDropTarget( const wxDataFormat &format );
 553
 554     void RemoveDropHint();
 555     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 556     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 557     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 558     void OnLeave();
 559 #endif // wxUSE_DRAG_AND_DROP
 560
 561 private:
 562     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 563     // We did not need this temporarily
 564     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 565
 566     int RecalculateCount();
 567
 568     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 569
 570     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 571
 572 private:
 573     wxDataViewCtrl             *m_owner;
 574     int                         m_lineHeight;
 575     bool                        m_dirty;
 576
 577     wxDataViewColumn           *m_currentCol;
 578     unsigned int                m_currentRow;
 579     wxDataViewSelection         m_selection;
 580
 581     wxDataViewRenameTimer      *m_renameTimer;
 582     bool                        m_lastOnSame;
 583
 584     bool                        m_hasFocus;
 585
 586 #if wxUSE_DRAG_AND_DROP
 587     int                         m_dragCount;
 588     wxPoint                     m_dragStart;
 589
 590     bool                        m_dragEnabled;
 591     wxDataFormat                m_dragFormat;
 592
 593     bool                        m_dropEnabled;
 594     wxDataFormat                m_dropFormat;
 595     bool                        m_dropHint;
 596     unsigned int                m_dropHintLine;
 597 #endif // wxUSE_DRAG_AND_DROP
 598
 599     // for double click logic
 600     unsigned int m_lineLastClicked,
 601         m_lineBeforeLastClicked,
 602         m_lineSelectSingleOnUp;
 603
 604     // the pen used to draw horiz/vertical rules
 605     wxPen m_penRule;
 606
 607     // the pen used to draw the expander and the lines
 608     wxPen m_penExpander;
 609
 610     // This is the tree structure of the model
 611     wxDataViewTreeNode * m_root;
 612     int m_count;
 613
 614     // This is the tree node under the cursor
 615     wxDataViewTreeNode * m_underMouse;
 616
 617 private:
 618     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 619     DECLARE_EVENT_TABLE()
 620 };
 621
 622 // ---------------------------------------------------------
 623 // wxGenericDataViewModelNotifier
 624 // ---------------------------------------------------------
 625
 626 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 627 {
 628 public:
 629     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 630         { m_mainWindow = mainWindow; }
 631
 632     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 633         { return m_mainWindow->ItemAdded( parent , item ); }
 634     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 635         { return m_mainWindow->ItemDeleted( parent, item ); }
 636     virtual bool ItemChanged( const wxDataViewItem & item )
 637         { return m_mainWindow->ItemChanged(item);  }
 638     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 639         { return m_mainWindow->ValueChanged( item, col ); }
 640     virtual bool Cleared()
 641         { return m_mainWindow->Cleared(); }
 642     virtual void Resort()
 643         { m_mainWindow->Resort(); }
 644
 645     wxDataViewMainWindow    *m_mainWindow;
 646 };
 647
 648 // ---------------------------------------------------------
 649 // wxDataViewRenderer
 650 // ---------------------------------------------------------
 651
 652 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 653
 654 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 655                                         wxDataViewCellMode mode,
 656                                         int align) :
 657     wxDataViewCustomRendererBase( varianttype, mode, align )
 658 {
 659     m_align = align;
 660     m_mode = mode;
 661     m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
 662     m_dc = NULL;
 663 }
 664
 665 wxDataViewRenderer::~wxDataViewRenderer()
 666 {
 667     delete m_dc;
 668 }
 669
 670 wxDC *wxDataViewRenderer::GetDC()
 671 {
 672     if (m_dc == NULL)
 673     {
 674         if (GetOwner() == NULL)
 675             return NULL;
 676         if (GetOwner()->GetOwner() == NULL)
 677             return NULL;
 678         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 679     }
 680
 681     return m_dc;
 682 }
 683
 684 void wxDataViewRenderer::SetAlignment( int align )
 685 {
 686     m_align=align;
 687 }
 688
 689 int wxDataViewRenderer::GetAlignment() const
 690 {
 691     return m_align;
 692 }
 693
 694 // ---------------------------------------------------------
 695 // wxDataViewCustomRenderer
 696 // ---------------------------------------------------------
 697
 698 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 699
 700 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 701                         wxDataViewCellMode mode, int align ) :
 702     wxDataViewRenderer( varianttype, mode, align )
 703 {
 704 }
 705
 706 // ---------------------------------------------------------
 707 // wxDataViewTextRenderer
 708 // ---------------------------------------------------------
 709
 710 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 711
 712 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 713                                                 wxDataViewCellMode mode, int align ) :
 714     wxDataViewRenderer( varianttype, mode, align )
 715 {
 716 }
 717
 718 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 719 {
 720     m_text = value.GetString();
 721
 722     return true;
 723 }
 724
 725 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 726 {
 727     return false;
 728 }
 729
 730 bool wxDataViewTextRenderer::HasEditorCtrl() const
 731 {
 732     return true;
 733 }
 734
 735 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 736         wxRect labelRect, const wxVariant &value )
 737 {
 738     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 739                                        wxPoint(labelRect.x,labelRect.y),
 740                                        wxSize(labelRect.width,labelRect.height) );
 741
 742     // select the text in the control an place the cursor at the end
 743     ctrl->SetInsertionPointEnd();
 744     ctrl->SelectAll();
 745
 746     return ctrl;
 747 }
 748
 749 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 750 {
 751     wxTextCtrl *text = (wxTextCtrl*) editor;
 752     value = text->GetValue();
 753     return true;
 754 }
 755
 756 bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
 757 {
 758     RenderText(m_text, 0, rect, dc, state);
 759     return true;
 760 }
 761
 762 wxSize wxDataViewTextRenderer::GetSize() const
 763 {
 764     if (!m_text.empty())
 765         return GetTextExtent(m_text);
 766     else
 767         return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 768 }
 769
 770 // ---------------------------------------------------------
 771 // wxDataViewBitmapRenderer
 772 // ---------------------------------------------------------
 773
 774 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
 775
 776 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 777                                                     wxDataViewCellMode mode, int align ) :
 778     wxDataViewRenderer( varianttype, mode, align )
 779 {
 780 }
 781
 782 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 783 {
 784     if (value.GetType() == wxT("wxBitmap"))
 785         m_bitmap << value;
 786     if (value.GetType() == wxT("wxIcon"))
 787         m_icon << value;
 788
 789     return true;
 790 }
 791
 792 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 793 {
 794     return false;
 795 }
 796
 797 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 798 {
 799     if (m_bitmap.Ok())
 800         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 801     else if (m_icon.Ok())
 802         dc->DrawIcon( m_icon, cell.x, cell.y );
 803
 804     return true;
 805 }
 806
 807 wxSize wxDataViewBitmapRenderer::GetSize() const
 808 {
 809     if (m_bitmap.Ok())
 810         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 811     else if (m_icon.Ok())
 812         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 813
 814     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 815 }
 816
 817 // ---------------------------------------------------------
 818 // wxDataViewToggleRenderer
 819 // ---------------------------------------------------------
 820
 821 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 822
 823 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 824                         wxDataViewCellMode mode, int align ) :
 825     wxDataViewRenderer( varianttype, mode, align )
 826 {
 827     m_toggle = false;
 828 }
 829
 830 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 831 {
 832     m_toggle = value.GetBool();
 833
 834     return true;
 835 }
 836
 837 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 838 {
 839     return false;
 840 }
 841
 842 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 843 {
 844     int flags = 0;
 845     if (m_toggle)
 846         flags |= wxCONTROL_CHECKED;
 847     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 848         flags |= wxCONTROL_DISABLED;
 849
 850     // check boxes we draw must always have the same, standard size (if it's
 851     // bigger than the cell size the checkbox will be truncated because the
 852     // caller had set the clipping rectangle to prevent us from drawing outside
 853     // the cell)
 854     cell.SetSize(GetSize());
 855
 856     wxRendererNative::Get().DrawCheckBox(
 857             GetOwner()->GetOwner(),
 858             *dc,
 859             cell,
 860             flags );
 861
 862     return true;
 863 }
 864
 865 void wxDataViewToggleRenderer::WXOnActivate(wxDataViewModel *model,
 866                                             const wxVariant& valueOld,
 867                                             const wxDataViewItem & item,
 868                                             unsigned int col)
 869 {
 870     model->ChangeValue(!valueOld.GetBool(), item, col);
 871 }
 872
 873 wxSize wxDataViewToggleRenderer::GetSize() const
 874 {
 875     // the window parameter is not used by GetCheckBoxSize() so it's
 876     // safe to pass NULL
 877     return wxRendererNative::Get().GetCheckBoxSize(NULL);
 878 }
 879
 880 // ---------------------------------------------------------
 881 // wxDataViewProgressRenderer
 882 // ---------------------------------------------------------
 883
 884 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
 885
 886 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 887     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 888     wxDataViewRenderer( varianttype, mode, align )
 889 {
 890     m_label = label;
 891     m_value = 0;
 892 }
 893
 894 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 895 {
 896     m_value = (long) value;
 897
 898     if (m_value < 0) m_value = 0;
 899     if (m_value > 100) m_value = 100;
 900
 901     return true;
 902 }
 903
 904 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 905 {
 906     value = (long) m_value;
 907     return true;
 908 }
 909
 910 bool
 911 wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
 912 {
 913     // deflate the rect to leave a small border between bars in adjacent rows
 914     wxRect bar = rect.Deflate(0, 1);
 915
 916     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 917     dc->SetPen( *wxBLACK_PEN );
 918     dc->DrawRectangle( bar );
 919
 920     bar.width = (int)(bar.width * m_value / 100.);
 921     dc->SetPen( *wxTRANSPARENT_PEN );
 922
 923     const wxDataViewItemAttr& attr = GetAttr();
 924     dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
 925                                   : *wxBLUE_BRUSH );
 926     dc->DrawRectangle( bar );
 927
 928     return true;
 929 }
 930
 931 wxSize wxDataViewProgressRenderer::GetSize() const
 932 {
 933     return wxSize(40,12);
 934 }
 935
 936 // ---------------------------------------------------------
 937 // wxDataViewDateRenderer
 938 // ---------------------------------------------------------
 939
 940 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 941
 942 #if wxUSE_DATE_RENDERER_POPUP
 943
 944 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 945 {
 946 public:
 947     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 948         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 949         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 950         m_item( item )
 951     {
 952         m_model = model;
 953         m_col = col;
 954         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 955         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 956         sizer->Add( m_cal, 1, wxGROW );
 957         SetSizer( sizer );
 958         sizer->Fit( this );
 959     }
 960
 961     void OnCalendar( wxCalendarEvent &event );
 962
 963     wxCalendarCtrl      *m_cal;
 964     wxDataViewModel *m_model;
 965     unsigned int               m_col;
 966     const wxDataViewItem &   m_item;
 967
 968 protected:
 969     virtual void OnDismiss()
 970     {
 971     }
 972
 973 private:
 974     DECLARE_EVENT_TABLE()
 975 };
 976
 977 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 978     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 979 END_EVENT_TABLE()
 980
 981 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 982 {
 983     m_model->ChangeValue( event.GetDate(), m_item, m_col );
 984     DismissAndNotify();
 985 }
 986
 987 #endif // wxUSE_DATE_RENDERER_POPUP
 988
 989 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)
 990
 991 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
 992                         wxDataViewCellMode mode, int align ) :
 993     wxDataViewRenderer( varianttype, mode, align )
 994 {
 995 }
 996
 997 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
 998 {
 999     m_date = value.GetDateTime();
1000
1001     return true;
1002 }
1003
1004 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1005 {
1006     value = m_date;
1007     return true;
1008 }
1009
1010 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1011 {
1012     wxString tmp = m_date.FormatDate();
1013     RenderText( tmp, 0, cell, dc, state );
1014     return true;
1015 }
1016
1017 wxSize wxDataViewDateRenderer::GetSize() const
1018 {
1019     return GetTextExtent(m_date.FormatDate());
1020 }
1021
1022 void wxDataViewDateRenderer::WXOnActivate(wxDataViewModel *model,
1023                                           const wxVariant& valueOld,
1024                                           const wxDataViewItem & item,
1025                                           unsigned int col )
1026 {
1027     wxDateTime dtOld = valueOld.GetDateTime();
1028
1029 #if wxUSE_DATE_RENDERER_POPUP
1030     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1031         GetOwner()->GetOwner()->GetParent(), &dtOld, model, item, col);
1032     wxPoint pos = wxGetMousePosition();
1033     popup->Move( pos );
1034     popup->Layout();
1035     popup->Popup( popup->m_cal );
1036 #else // !wxUSE_DATE_RENDERER_POPUP
1037     wxMessageBox(dtOld.Format());
1038 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1039 }
1040
1041 // ---------------------------------------------------------
1042 // wxDataViewIconTextRenderer
1043 // ---------------------------------------------------------
1044
1045 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
1046
1047 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1048 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1049     wxDataViewRenderer( varianttype, mode, align )
1050 {
1051     SetMode(mode);
1052     SetAlignment(align);
1053 }
1054
1055 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1056 {
1057     m_value << value;
1058     return true;
1059 }
1060
1061 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1062 {
1063     return false;
1064 }
1065
1066 bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
1067 {
1068     int xoffset = 0;
1069
1070     const wxIcon& icon = m_value.GetIcon();
1071     if ( icon.IsOk() )
1072     {
1073         dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1074         xoffset = icon.GetWidth()+4;
1075     }
1076
1077     RenderText(m_value.GetText(), xoffset, rect, dc, state);
1078
1079     return true;
1080 }
1081
1082 wxSize wxDataViewIconTextRenderer::GetSize() const
1083 {
1084     if (!m_value.GetText().empty())
1085     {
1086         wxSize size = GetTextExtent(m_value.GetText());
1087
1088         if (m_value.GetIcon().IsOk())
1089             size.x += m_value.GetIcon().GetWidth() + 4;
1090         return size;
1091     }
1092     return wxSize(80,20);
1093 }
1094
1095 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1096 {
1097     wxDataViewIconText iconText;
1098     iconText << value;
1099
1100     wxString text = iconText.GetText();
1101
1102     // adjust the label rect to take the width of the icon into account
1103     if (iconText.GetIcon().IsOk())
1104     {
1105         int w = iconText.GetIcon().GetWidth() + 4;
1106         labelRect.x += w;
1107         labelRect.width -= w;
1108     }
1109
1110     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1111                                        wxPoint(labelRect.x,labelRect.y),
1112                                        wxSize(labelRect.width,labelRect.height) );
1113
1114     // select the text in the control an place the cursor at the end
1115     ctrl->SetInsertionPointEnd();
1116     ctrl->SelectAll();
1117
1118     return ctrl;
1119 }
1120
1121 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1122 {
1123     wxTextCtrl *text = (wxTextCtrl*) editor;
1124
1125     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1126     value << iconText;
1127     return true;
1128 }
1129
1130 //-----------------------------------------------------------------------------
1131 // wxDataViewDropTarget
1132 //-----------------------------------------------------------------------------
1133
1134 #if wxUSE_DRAG_AND_DROP
1135
1136 class wxBitmapCanvas: public wxWindow
1137 {
1138 public:
1139     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1140     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1141     {
1142         m_bitmap = bitmap;
1143         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1144     }
1145
1146     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1147     {
1148         wxPaintDC dc(this);
1149         dc.DrawBitmap( m_bitmap, 0, 0);
1150     }
1151
1152     wxBitmap m_bitmap;
1153 };
1154
1155 class wxDataViewDropSource: public wxDropSource
1156 {
1157 public:
1158     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1159         wxDropSource( win )
1160     {
1161         m_win = win;
1162         m_row = row;
1163         m_hint = NULL;
1164     }
1165
1166     ~wxDataViewDropSource()
1167     {
1168         delete m_hint;
1169     }
1170
1171     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1172     {
1173         wxPoint pos = wxGetMousePosition();
1174
1175         if (!m_hint)
1176         {
1177             int liney = m_win->GetLineStart( m_row );
1178             int linex = 0;
1179             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1180             m_win->ClientToScreen( &linex, &liney );
1181             m_dist_x = pos.x - linex;
1182             m_dist_y = pos.y - liney;
1183
1184             int indent = 0;
1185             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1186             m_dist_x -= indent;
1187             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1188                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1189                                         ib.GetSize(),
1190                                         wxFRAME_TOOL_WINDOW |
1191                                         wxFRAME_FLOAT_ON_PARENT |
1192                                         wxFRAME_NO_TASKBAR |
1193                                         wxNO_BORDER );
1194             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1195             m_hint->Show();
1196         }
1197         else
1198         {
1199             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1200             m_hint->SetTransparent( 128 );
1201         }
1202
1203         return false;
1204     }
1205
1206     wxDataViewMainWindow   *m_win;
1207     unsigned int            m_row;
1208     wxFrame                *m_hint;
1209     int m_dist_x,m_dist_y;
1210 };
1211
1212
1213 class wxDataViewDropTarget: public wxDropTarget
1214 {
1215 public:
1216     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1217         wxDropTarget( obj )
1218     {
1219         m_win = win;
1220     }
1221
1222     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1223     {
1224         wxDataFormat format = GetMatchingPair();
1225         if (format == wxDF_INVALID)
1226             return wxDragNone;
1227         return m_win->OnDragOver( format, x, y, def);
1228     }
1229
1230     virtual bool OnDrop( wxCoord x, wxCoord y )
1231     {
1232         wxDataFormat format = GetMatchingPair();
1233         if (format == wxDF_INVALID)
1234             return false;
1235         return m_win->OnDrop( format, x, y );
1236     }
1237
1238     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1239     {
1240         wxDataFormat format = GetMatchingPair();
1241         if (format == wxDF_INVALID)
1242             return wxDragNone;
1243         if (!GetData())
1244             return wxDragNone;
1245         return m_win->OnData( format, x, y, def );
1246     }
1247
1248     virtual void OnLeave()
1249         { m_win->OnLeave(); }
1250
1251     wxDataViewMainWindow   *m_win;
1252 };
1253
1254 #endif // wxUSE_DRAG_AND_DROP
1255
1256 //-----------------------------------------------------------------------------
1257 // wxDataViewRenameTimer
1258 //-----------------------------------------------------------------------------
1259
1260 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1261 {
1262     m_owner = owner;
1263 }
1264
1265 void wxDataViewRenameTimer::Notify()
1266 {
1267     m_owner->OnRenameTimer();
1268 }
1269
1270 //-----------------------------------------------------------------------------
1271 // wxDataViewMainWindow
1272 //-----------------------------------------------------------------------------
1273
1274 // The tree building helper, declared firstly
1275 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
1276                              wxDataViewTreeNode * node);
1277
1278 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1279 {
1280     if (row1 > row2) return 1;
1281     if (row1 == row2) return 0;
1282     return -1;
1283 }
1284
1285 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1286
1287 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1288     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1289     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1290     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1291     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1292     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1293 END_EVENT_TABLE()
1294
1295 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1296     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1297     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1298     m_selection( wxDataViewSelectionCmp )
1299
1300 {
1301     SetOwner( parent );
1302
1303     m_lastOnSame = false;
1304     m_renameTimer = new wxDataViewRenameTimer( this );
1305
1306     // TODO: user better initial values/nothing selected
1307     m_currentCol = NULL;
1308     m_currentRow = 0;
1309
1310     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1311
1312 #if wxUSE_DRAG_AND_DROP
1313     m_dragCount = 0;
1314     m_dragStart = wxPoint(0,0);
1315
1316     m_dragEnabled = false;
1317     m_dropEnabled = false;
1318     m_dropHint = false;
1319     m_dropHintLine = (unsigned int) -1;
1320 #endif // wxUSE_DRAG_AND_DROP
1321
1322     m_lineLastClicked = (unsigned int) -1;
1323     m_lineBeforeLastClicked = (unsigned int) -1;
1324     m_lineSelectSingleOnUp = (unsigned int) -1;
1325
1326     m_hasFocus = false;
1327
1328     SetBackgroundColour( *wxWHITE );
1329
1330     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1331
1332     m_penRule = wxPen(GetRuleColour());
1333
1334     // compose a pen whichcan draw black lines
1335     // TODO: maybe there is something system colour to use
1336     m_penExpander = wxPen(wxColour(0,0,0));
1337
1338     m_root = new wxDataViewTreeNode( NULL );
1339     m_root->SetHasChildren(true);
1340
1341     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1342     m_count = -1;
1343     m_underMouse = NULL;
1344     UpdateDisplay();
1345 }
1346
1347 wxDataViewMainWindow::~wxDataViewMainWindow()
1348 {
1349     DestroyTree();
1350     delete m_renameTimer;
1351 }
1352
1353
1354 #if wxUSE_DRAG_AND_DROP
1355 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1356 {
1357     m_dragFormat = format;
1358     m_dragEnabled = format != wxDF_INVALID;
1359
1360     return true;
1361 }
1362
1363 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1364 {
1365     m_dropFormat = format;
1366     m_dropEnabled = format != wxDF_INVALID;
1367
1368     if (m_dropEnabled)
1369         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1370
1371     return true;
1372 }
1373
1374 void wxDataViewMainWindow::RemoveDropHint()
1375 {
1376     if (m_dropHint)
1377     {
1378             m_dropHint = false;
1379             RefreshRow( m_dropHintLine );
1380             m_dropHintLine = (unsigned int) -1;
1381     }
1382 }
1383
1384 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1385                                                wxCoord y, wxDragResult def )
1386 {
1387     int xx = x;
1388     int yy = y;
1389     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1390     unsigned int row = GetLineAt( yy );
1391
1392     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1393     {
1394         RemoveDropHint();
1395         return wxDragNone;
1396     }
1397
1398     wxDataViewItem item = GetItemByRow( row );
1399
1400     wxDataViewModel *model = GetOwner()->GetModel();
1401
1402     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1403     event.SetEventObject( m_owner );
1404     event.SetItem( item );
1405     event.SetModel( model );
1406     event.SetDataFormat( format );
1407     if (!m_owner->HandleWindowEvent( event ))
1408     {
1409         RemoveDropHint();
1410         return wxDragNone;
1411     }
1412
1413     if (!event.IsAllowed())
1414     {
1415         RemoveDropHint();
1416         return wxDragNone;
1417     }
1418
1419
1420     if (m_dropHint && (row != m_dropHintLine))
1421         RefreshRow( m_dropHintLine );
1422     m_dropHint = true;
1423     m_dropHintLine = row;
1424     RefreshRow( row );
1425
1426     return def;
1427 }
1428
1429 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1430 {
1431     RemoveDropHint();
1432
1433     int xx = x;
1434     int yy = y;
1435     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1436     unsigned int row = GetLineAt( yy );
1437
1438     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1439         return false;
1440
1441     wxDataViewItem item = GetItemByRow( row );
1442
1443     wxDataViewModel *model = GetOwner()->GetModel();
1444
1445     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1446     event.SetEventObject( m_owner );
1447     event.SetItem( item );
1448     event.SetModel( model );
1449     event.SetDataFormat( format );
1450     if (!m_owner->HandleWindowEvent( event ))
1451         return false;
1452
1453     if (!event.IsAllowed())
1454         return false;
1455
1456     return true;
1457 }
1458
1459 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1460                                            wxDragResult def )
1461 {
1462     int xx = x;
1463     int yy = y;
1464     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1465     unsigned int row = GetLineAt( yy );
1466
1467     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1468         return wxDragNone;
1469
1470     wxDataViewItem item = GetItemByRow( row );
1471
1472     wxDataViewModel *model = GetOwner()->GetModel();
1473
1474     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1475
1476     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1477     event.SetEventObject( m_owner );
1478     event.SetItem( item );
1479     event.SetModel( model );
1480     event.SetDataFormat( format );
1481     event.SetDataSize( obj->GetSize() );
1482     event.SetDataBuffer( obj->GetData() );
1483     if (!m_owner->HandleWindowEvent( event ))
1484         return wxDragNone;
1485
1486     if (!event.IsAllowed())
1487         return wxDragNone;
1488
1489     return def;
1490 }
1491
1492 void wxDataViewMainWindow::OnLeave()
1493 {
1494     RemoveDropHint();
1495 }
1496
1497 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1498 {
1499     int height = GetLineHeight( row );
1500     int width = 0;
1501     unsigned int cols = GetOwner()->GetColumnCount();
1502     unsigned int col;
1503     for (col = 0; col < cols; col++)
1504     {
1505         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1506         if (column->IsHidden())
1507             continue;      // skip it!
1508         width += column->GetWidth();
1509     }
1510
1511     indent = 0;
1512     if (!IsList())
1513     {
1514         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1515         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1516         indent = indent + m_lineHeight;
1517             // try to use the m_lineHeight as the expander space
1518
1519         if(!node->HasChildren())
1520             delete node;
1521     }
1522     width -= indent;
1523
1524     wxBitmap bitmap( width, height );
1525     wxMemoryDC dc( bitmap );
1526     dc.SetFont( GetFont() );
1527     dc.SetPen( *wxBLACK_PEN );
1528     dc.SetBrush( *wxWHITE_BRUSH );
1529     dc.DrawRectangle( 0,0,width,height );
1530
1531     wxDataViewModel *model = m_owner->GetModel();
1532
1533     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1534     if (!expander)
1535     {
1536         // TODO-RTL: last column for RTL support
1537         expander = GetOwner()->GetColumnAt( 0 );
1538         GetOwner()->SetExpanderColumn(expander);
1539     }
1540
1541
1542     int x = 0;
1543     for (col = 0; col < cols; col++)
1544     {
1545         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1546         wxDataViewRenderer *cell = column->GetRenderer();
1547
1548         if (column->IsHidden())
1549             continue;       // skip it!
1550
1551         width = column->GetWidth();
1552
1553         if (column == expander)
1554             width -= indent;
1555
1556         wxDataViewItem item = GetItemByRow( row );
1557         cell->PrepareForItem(model, item, column->GetModelColumn());
1558
1559         wxRect item_rect(x, 0, width, height);
1560         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1561
1562         // dc.SetClippingRegion( item_rect );
1563         cell->WXCallRender(item_rect, &dc, 0);
1564         // dc.DestroyClippingRegion();
1565
1566         x += width;
1567     }
1568
1569     return bitmap;
1570 }
1571
1572 #endif // wxUSE_DRAG_AND_DROP
1573
1574
1575 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1576 {
1577     wxDataViewModel *model = GetOwner()->GetModel();
1578     wxAutoBufferedPaintDC dc( this );
1579
1580 #ifdef __WXMSW__
1581     dc.SetBrush(GetOwner()->GetBackgroundColour());
1582     dc.SetPen( *wxTRANSPARENT_PEN );
1583     dc.DrawRectangle(GetClientSize());
1584 #endif
1585
1586     // prepare the DC
1587     GetOwner()->PrepareDC( dc );
1588     dc.SetFont( GetFont() );
1589
1590     wxRect update = GetUpdateRegion().GetBox();
1591     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1592
1593     // compute which items needs to be redrawn
1594     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1595     unsigned int item_count =
1596         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1597             (int)(GetRowCount( ) - item_start));
1598     unsigned int item_last = item_start + item_count;
1599     // Get the parent of DataViewCtrl
1600     wxWindow *parent = GetParent()->GetParent();
1601     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1602     cache_event.SetEventObject(GetParent());
1603     cache_event.SetCache(item_start, item_last - 1);
1604     parent->ProcessWindowEvent(cache_event);
1605
1606     // compute which columns needs to be redrawn
1607     unsigned int cols = GetOwner()->GetColumnCount();
1608     if ( !cols )
1609     {
1610         // we assume that we have at least one column below and painting an
1611         // empty control is unnecessary anyhow
1612         return;
1613     }
1614
1615     unsigned int col_start = 0;
1616     unsigned int x_start;
1617     for (x_start = 0; col_start < cols; col_start++)
1618     {
1619         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1620         if (col->IsHidden())
1621             continue;      // skip it!
1622
1623         unsigned int w = col->GetWidth();
1624         if (x_start+w >= (unsigned int)update.x)
1625             break;
1626
1627         x_start += w;
1628     }
1629
1630     unsigned int col_last = col_start;
1631     unsigned int x_last = x_start;
1632     for (; col_last < cols; col_last++)
1633     {
1634         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1635         if (col->IsHidden())
1636             continue;      // skip it!
1637
1638         if (x_last > (unsigned int)update.GetRight())
1639             break;
1640
1641         x_last += col->GetWidth();
1642     }
1643
1644     // Draw horizontal rules if required
1645     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1646     {
1647         dc.SetPen(m_penRule);
1648         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1649
1650         for (unsigned int i = item_start; i <= item_last; i++)
1651         {
1652             int y = GetLineStart( i );
1653             dc.DrawLine(x_start, y, x_last, y);
1654         }
1655     }
1656
1657     // Draw vertical rules if required
1658     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1659     {
1660         dc.SetPen(m_penRule);
1661         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1662
1663         int x = x_start;
1664         for (unsigned int i = col_start; i < col_last; i++)
1665         {
1666             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1667             if (col->IsHidden())
1668                 continue;       // skip it
1669
1670             dc.DrawLine(x, GetLineStart( item_start ),
1671                         x, GetLineStart( item_last ) );
1672
1673             x += col->GetWidth();
1674         }
1675
1676         // Draw last vertical rule
1677         dc.DrawLine(x, GetLineStart( item_start ),
1678                     x, GetLineStart( item_last ) );
1679     }
1680
1681     // redraw the background for the items which are selected/current
1682     for (unsigned int item = item_start; item < item_last; item++)
1683     {
1684         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1685         if (selected || item == m_currentRow)
1686         {
1687             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1688             if (item == m_currentRow)
1689                 flags |= wxCONTROL_CURRENT;
1690             if (m_hasFocus)
1691                 flags |= wxCONTROL_FOCUSED;
1692
1693             wxRect rect( x_start, GetLineStart( item ),
1694                          x_last - x_start, GetLineHeight( item ) );
1695             wxRendererNative::Get().DrawItemSelectionRect
1696                                 (
1697                                     this,
1698                                     dc,
1699                                     rect,
1700                                     flags
1701                                 );
1702         }
1703     }
1704
1705 #if wxUSE_DRAG_AND_DROP
1706     if (m_dropHint)
1707     {
1708         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1709                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1710         dc.SetPen( *wxBLACK_PEN );
1711         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1712         dc.DrawRectangle( rect );
1713     }
1714 #endif // wxUSE_DRAG_AND_DROP
1715
1716     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1717     if (!expander)
1718     {
1719         // TODO-RTL: last column for RTL support
1720         expander = GetOwner()->GetColumnAt( 0 );
1721         GetOwner()->SetExpanderColumn(expander);
1722     }
1723
1724     // redraw all cells for all rows which must be repainted and all columns
1725     wxRect cell_rect;
1726     cell_rect.x = x_start;
1727     for (unsigned int i = col_start; i < col_last; i++)
1728     {
1729         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1730         wxDataViewRenderer *cell = col->GetRenderer();
1731         cell_rect.width = col->GetWidth();
1732
1733         if ( col->IsHidden() || cell_rect.width <= 0 )
1734             continue;       // skip it!
1735
1736         for (unsigned int item = item_start; item < item_last; item++)
1737         {
1738             // get the cell value and set it into the renderer
1739             wxDataViewTreeNode *node = NULL;
1740             wxDataViewItem dataitem;
1741
1742             if (!IsVirtualList())
1743             {
1744                 node = GetTreeNodeByRow(item);
1745                 if( node == NULL )
1746                     continue;
1747
1748                 dataitem = node->GetItem();
1749
1750                 if ((i > 0) && model->IsContainer(dataitem) &&
1751                     !model->HasContainerColumns(dataitem))
1752                     continue;
1753             }
1754             else
1755             {
1756                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1757             }
1758
1759             cell->PrepareForItem(model, dataitem, col->GetModelColumn());
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 ((!IsList()) && (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     GetOwner()->InvalidateColBestWidths();
1932
1933     if (IsVirtualList())
1934     {
1935         wxDataViewVirtualListModel *list_model =
1936             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1937         m_count = list_model->GetCount();
1938         UpdateDisplay();
1939         return true;
1940     }
1941
1942     SortPrepare();
1943
1944     wxDataViewTreeNode * node;
1945     node = FindNode(parent);
1946
1947     if( node == NULL )
1948         return false;
1949
1950     node->SetHasChildren( true );
1951
1952     if( g_model->IsContainer( item ) )
1953     {
1954         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1955         newnode->SetItem(item);
1956         newnode->SetHasChildren( true );
1957         node->AddNode( newnode);
1958     }
1959     else
1960         node->AddLeaf( item.GetID() );
1961
1962     node->ChangeSubTreeCount(1);
1963
1964     m_count = -1;
1965     UpdateDisplay();
1966
1967     return true;
1968 }
1969
1970 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1971
1972 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1973                                        const wxDataViewItem& item)
1974 {
1975     GetOwner()->InvalidateColBestWidths();
1976
1977     if (IsVirtualList())
1978     {
1979         wxDataViewVirtualListModel *list_model =
1980             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1981         m_count = list_model->GetCount();
1982
1983         if( m_currentRow > GetRowCount() )
1984             m_currentRow = m_count - 1;
1985
1986         // TODO: why empty the entire selection?
1987         m_selection.Empty();
1988
1989         UpdateDisplay();
1990
1991         return true;
1992     }
1993
1994     wxDataViewTreeNode * node = FindNode(parent);
1995
1996     // Notice that it is possible that the item being deleted is not in the
1997     // tree at all, for example we could be deleting a never shown (because
1998     // collapsed) item in a tree model. So it's not an error if we don't know
1999     // about this item, just return without doing anything then.
2000     if ( !node || node->GetChildren().Index(item.GetID()) == wxNOT_FOUND )
2001         return false;
2002
2003     int sub = -1;
2004     node->GetChildren().Remove( item.GetID() );
2005     // Manipolate selection
2006     if( m_selection.GetCount() > 1 )
2007     {
2008         m_selection.Empty();
2009     }
2010     bool isContainer = false;
2011     wxDataViewTreeNodes nds = node->GetNodes();
2012     for (size_t i = 0; i < nds.GetCount(); i ++)
2013     {
2014         if (nds[i]->GetItem() == item)
2015         {
2016             isContainer = true;
2017             break;
2018         }
2019     }
2020     if( isContainer )
2021     {
2022         wxDataViewTreeNode * n = NULL;
2023         wxDataViewTreeNodes nodes = node->GetNodes();
2024         int len = nodes.GetCount();
2025         for( int i = 0; i < len; i ++)
2026         {
2027             if( nodes[i]->GetItem() == item )
2028             {
2029                 n = nodes[i];
2030                 break;
2031             }
2032         }
2033
2034         wxCHECK_MSG( n != NULL, false, "item not found" );
2035
2036         node->GetNodes().Remove( n );
2037         sub -= n->GetSubTreeCount();
2038         ::DestroyTreeHelper(n);
2039     }
2040     // Make the row number invalid and get a new valid one when user call GetRowCount
2041     m_count = -1;
2042     node->ChangeSubTreeCount(sub);
2043
2044     // Change the current row to the last row if the current exceed the max row number
2045     if( m_currentRow > GetRowCount() )
2046         m_currentRow = m_count - 1;
2047
2048     UpdateDisplay();
2049
2050     return true;
2051 }
2052
2053 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2054 {
2055     GetOwner()->InvalidateColBestWidths();
2056
2057     SortPrepare();
2058     g_model->Resort();
2059
2060     // Send event
2061     wxWindow *parent = GetParent();
2062     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2063     le.SetEventObject(parent);
2064     le.SetModel(GetOwner()->GetModel());
2065     le.SetItem(item);
2066     parent->GetEventHandler()->ProcessEvent(le);
2067
2068     return true;
2069 }
2070
2071 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2072 {
2073     GetOwner()->InvalidateColBestWidth(col);
2074
2075     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2076 /*#define MAX_VIRTUAL_WIDTH       100000
2077
2078     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2079     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2080     Refresh( true, &rect );
2081
2082     return true;
2083 */
2084     SortPrepare();
2085     g_model->Resort();
2086
2087     // Send event
2088     wxWindow *parent = GetParent();
2089     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2090     le.SetEventObject(parent);
2091     le.SetModel(GetOwner()->GetModel());
2092     le.SetItem(item);
2093     le.SetColumn(col);
2094     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2095     parent->GetEventHandler()->ProcessEvent(le);
2096
2097     return true;
2098 }
2099
2100 bool wxDataViewMainWindow::Cleared()
2101 {
2102     GetOwner()->InvalidateColBestWidths();
2103
2104     DestroyTree();
2105     m_selection.Clear();
2106
2107     SortPrepare();
2108     BuildTree( GetOwner()->GetModel() );
2109
2110     UpdateDisplay();
2111
2112     return true;
2113 }
2114
2115 void wxDataViewMainWindow::UpdateDisplay()
2116 {
2117     m_dirty = true;
2118     m_underMouse = NULL;
2119 }
2120
2121 void wxDataViewMainWindow::OnInternalIdle()
2122 {
2123     wxWindow::OnInternalIdle();
2124
2125     if (m_dirty)
2126     {
2127         RecalculateDisplay();
2128         m_dirty = false;
2129     }
2130 }
2131
2132 void wxDataViewMainWindow::RecalculateDisplay()
2133 {
2134     wxDataViewModel *model = GetOwner()->GetModel();
2135     if (!model)
2136     {
2137         Refresh();
2138         return;
2139     }
2140
2141     int width = GetEndOfLastCol();
2142     int height = GetLineStart( GetRowCount() );
2143
2144     SetVirtualSize( width, height );
2145     GetOwner()->SetScrollRate( 10, m_lineHeight );
2146
2147     Refresh();
2148 }
2149
2150 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2151 {
2152     wxWindow::ScrollWindow( dx, dy, rect );
2153
2154     if (GetOwner()->m_headerArea)
2155         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2156 }
2157
2158 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2159 {
2160     int x, y;
2161     m_owner->GetScrollPixelsPerUnit( &x, &y );
2162     int sy = GetLineStart( rows )/y;
2163     int sx = 0;
2164     if( column != -1 )
2165     {
2166         wxRect rect = GetClientRect();
2167         int colnum = 0;
2168         int x_start, w = 0;
2169         int xx, yy, xe;
2170         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2171         for (x_start = 0; colnum < column; colnum++)
2172         {
2173             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2174             if (col->IsHidden())
2175                 continue;      // skip it!
2176
2177             w = col->GetWidth();
2178             x_start += w;
2179         }
2180
2181         int x_end = x_start + w;
2182         xe = xx + rect.width;
2183         if( x_end > xe )
2184         {
2185             sx = ( xx + x_end - xe )/x;
2186         }
2187         if( x_start < xx )
2188         {
2189             sx = x_start/x;
2190         }
2191     }
2192     m_owner->Scroll( sx, sy );
2193 }
2194
2195 int wxDataViewMainWindow::GetCountPerPage() const
2196 {
2197     wxSize size = GetClientSize();
2198     return size.y / m_lineHeight;
2199 }
2200
2201 int wxDataViewMainWindow::GetEndOfLastCol() const
2202 {
2203     int width = 0;
2204     unsigned int i;
2205     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2206     {
2207         const wxDataViewColumn *c =
2208             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2209
2210         if (!c->IsHidden())
2211             width += c->GetWidth();
2212     }
2213     return width;
2214 }
2215
2216 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2217 {
2218     int x = 0;
2219     int y = 0;
2220     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2221
2222     return GetLineAt( y );
2223 }
2224
2225 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2226 {
2227     wxSize client_size = GetClientSize();
2228     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2229                                     &client_size.x, &client_size.y );
2230
2231     // we should deal with the pixel here
2232     unsigned int row = GetLineAt(client_size.y) - 1;
2233
2234     return wxMin( GetRowCount()-1, row );
2235 }
2236
2237 unsigned int wxDataViewMainWindow::GetRowCount()
2238 {
2239     if ( m_count == -1 )
2240     {
2241         m_count = RecalculateCount();
2242         UpdateDisplay();
2243     }
2244     return m_count;
2245 }
2246
2247 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2248 {
2249     m_currentRow = row;
2250
2251     // send event
2252 }
2253
2254 void wxDataViewMainWindow::SelectAllRows( bool on )
2255 {
2256     if (IsEmpty())
2257         return;
2258
2259     if (on)
2260     {
2261         m_selection.Clear();
2262         for (unsigned int i = 0; i < GetRowCount(); i++)
2263             m_selection.Add( i );
2264         Refresh();
2265     }
2266     else
2267     {
2268         unsigned int first_visible = GetFirstVisibleRow();
2269         unsigned int last_visible = GetLastVisibleRow();
2270         unsigned int i;
2271         for (i = 0; i < m_selection.GetCount(); i++)
2272         {
2273             unsigned int row = m_selection[i];
2274             if ((row >= first_visible) && (row <= last_visible))
2275                 RefreshRow( row );
2276         }
2277         m_selection.Clear();
2278     }
2279 }
2280
2281 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2282 {
2283     if (m_selection.Index( row ) == wxNOT_FOUND)
2284     {
2285         if (on)
2286         {
2287             m_selection.Add( row );
2288             RefreshRow( row );
2289         }
2290     }
2291     else
2292     {
2293         if (!on)
2294         {
2295             m_selection.Remove( row );
2296             RefreshRow( row );
2297         }
2298     }
2299 }
2300
2301 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2302 {
2303     if (from > to)
2304     {
2305         unsigned int tmp = from;
2306         from = to;
2307         to = tmp;
2308     }
2309
2310     unsigned int i;
2311     for (i = from; i <= to; i++)
2312     {
2313         if (m_selection.Index( i ) == wxNOT_FOUND)
2314         {
2315             if (on)
2316                 m_selection.Add( i );
2317         }
2318         else
2319         {
2320             if (!on)
2321                 m_selection.Remove( i );
2322         }
2323     }
2324     RefreshRows( from, to );
2325 }
2326
2327 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2328 {
2329     for (size_t i=0; i < aSelections.GetCount(); i++)
2330     {
2331         int n = aSelections[i];
2332
2333         m_selection.Add( n );
2334         RefreshRow( n );
2335     }
2336 }
2337
2338 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2339 {
2340     if (m_selection.Index( row ) == wxNOT_FOUND)
2341         m_selection.Add( row );
2342     else
2343         m_selection.Remove( row );
2344     RefreshRow( row );
2345 }
2346
2347 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2348 {
2349     return (m_selection.Index( row ) != wxNOT_FOUND);
2350 }
2351
2352 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2353 {
2354     wxWindow *parent = GetParent();
2355     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2356
2357     le.SetEventObject(parent);
2358     le.SetModel(GetOwner()->GetModel());
2359     le.SetItem( item );
2360
2361     parent->GetEventHandler()->ProcessEvent(le);
2362 }
2363
2364 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2365 {
2366     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2367     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2368
2369     wxSize client_size = GetClientSize();
2370     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2371     wxRect intersect_rect = client_rect.Intersect( rect );
2372     if (intersect_rect.width > 0)
2373         Refresh( true, &intersect_rect );
2374 }
2375
2376 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2377 {
2378     if (from > to)
2379     {
2380         unsigned int tmp = to;
2381         to = from;
2382         from = tmp;
2383     }
2384
2385     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2386     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2387
2388     wxSize client_size = GetClientSize();
2389     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2390     wxRect intersect_rect = client_rect.Intersect( rect );
2391     if (intersect_rect.width > 0)
2392         Refresh( true, &intersect_rect );
2393 }
2394
2395 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2396 {
2397     wxSize client_size = GetClientSize();
2398     int start = GetLineStart( firstRow );
2399     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2400     if (start > client_size.y) return;
2401
2402     wxRect rect( 0, start, client_size.x, client_size.y - start );
2403
2404     Refresh( true, &rect );
2405 }
2406
2407 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2408 {
2409     wxCHECK_RET( newCurrent < GetRowCount(),
2410                 wxT("invalid item index in OnArrowChar()") );
2411
2412     // if there is no selection, we cannot move it anywhere
2413     if (!HasCurrentRow())
2414         return;
2415
2416     unsigned int oldCurrent = m_currentRow;
2417
2418     // in single selection we just ignore Shift as we can't select several
2419     // items anyhow
2420     if ( event.ShiftDown() && !IsSingleSel() )
2421     {
2422         RefreshRow( oldCurrent );
2423
2424         ChangeCurrentRow( newCurrent );
2425
2426         // select all the items between the old and the new one
2427         if ( oldCurrent > newCurrent )
2428         {
2429             newCurrent = oldCurrent;
2430             oldCurrent = m_currentRow;
2431         }
2432
2433         SelectRows( oldCurrent, newCurrent, true );
2434         if (oldCurrent!=newCurrent)
2435             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2436     }
2437     else // !shift
2438     {
2439         RefreshRow( oldCurrent );
2440
2441         // all previously selected items are unselected unless ctrl is held
2442         if ( !event.ControlDown() )
2443             SelectAllRows(false);
2444
2445         ChangeCurrentRow( newCurrent );
2446
2447         if ( !event.ControlDown() )
2448         {
2449             SelectRow( m_currentRow, true );
2450             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2451         }
2452         else
2453             RefreshRow( m_currentRow );
2454     }
2455
2456     GetOwner()->EnsureVisible( m_currentRow, -1 );
2457 }
2458
2459 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2460 {
2461     wxRect rect;
2462     rect.x = 0;
2463     rect.y = GetLineStart( row );
2464     rect.width = GetEndOfLastCol();
2465     rect.height = GetLineHeight( row );
2466
2467     return rect;
2468 }
2469
2470 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2471 {
2472     const wxDataViewModel *model = GetOwner()->GetModel();
2473
2474     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2475     {
2476         // TODO make more efficient
2477
2478         int start = 0;
2479
2480         unsigned int r;
2481         for (r = 0; r < row; r++)
2482         {
2483             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2484             if (!node) return start;
2485
2486             wxDataViewItem item = node->GetItem();
2487
2488             if (node && !node->HasChildren())
2489             {
2490                 // Yes, if the node does not have any child, it must be a leaf which
2491                 // mean that it is a temporarily created by GetTreeNodeByRow
2492                 wxDELETE(node);
2493             }
2494
2495             unsigned int cols = GetOwner()->GetColumnCount();
2496             unsigned int col;
2497             int height = m_lineHeight;
2498             for (col = 0; col < cols; col++)
2499             {
2500                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2501                 if (column->IsHidden())
2502                     continue;      // skip it!
2503
2504                 if ((col != 0) &&
2505                     model->IsContainer(item) &&
2506                     !model->HasContainerColumns(item))
2507                     continue;      // skip it!
2508
2509                 wxDataViewRenderer *renderer =
2510                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2511                 renderer->PrepareForItem(model, item, column->GetModelColumn());
2512
2513                 height = wxMax( height, renderer->GetSize().y );
2514             }
2515
2516             start += height;
2517         }
2518
2519         return start;
2520     }
2521     else
2522     {
2523         return row * m_lineHeight;
2524     }
2525 }
2526
2527 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2528 {
2529     const wxDataViewModel *model = GetOwner()->GetModel();
2530
2531     // check for the easy case first
2532     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2533         return y / m_lineHeight;
2534
2535     // TODO make more efficient
2536     unsigned int row = 0;
2537     unsigned int yy = 0;
2538     for (;;)
2539     {
2540         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2541         if (!node)
2542         {
2543             // not really correct...
2544             return row + ((y-yy) / m_lineHeight);
2545         }
2546
2547         wxDataViewItem item = node->GetItem();
2548
2549         if (node && !node->HasChildren())
2550         {
2551             // Yes, if the node does not have any child, it must be a leaf which
2552             // mean that it is a temporarily created by GetTreeNodeByRow
2553             wxDELETE(node);
2554         }
2555
2556         unsigned int cols = GetOwner()->GetColumnCount();
2557         unsigned int col;
2558         int height = m_lineHeight;
2559         for (col = 0; col < cols; col++)
2560         {
2561             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2562             if (column->IsHidden())
2563                 continue;      // skip it!
2564
2565             if ((col != 0) &&
2566                 model->IsContainer(item) &&
2567                 !model->HasContainerColumns(item))
2568                 continue;      // skip it!
2569
2570             wxDataViewRenderer *renderer =
2571                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2572             renderer->PrepareForItem(model, item, column->GetModelColumn());
2573
2574             height = wxMax( height, renderer->GetSize().y );
2575         }
2576
2577         yy += height;
2578         if (y < yy)
2579             return row;
2580
2581         row++;
2582     }
2583 }
2584
2585 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2586 {
2587     const wxDataViewModel *model = GetOwner()->GetModel();
2588
2589     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2590     {
2591         wxASSERT( !IsVirtualList() );
2592
2593         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2594         // wxASSERT( node );
2595         if (!node) return m_lineHeight;
2596
2597         wxDataViewItem item = node->GetItem();
2598
2599         if (node && !node->HasChildren())
2600         {
2601                 // Yes, if the node does not have any child, it must be a leaf which
2602                 // mean that it is a temporarily created by GetTreeNodeByRow
2603             wxDELETE(node);
2604         }
2605
2606         int height = m_lineHeight;
2607
2608         unsigned int cols = GetOwner()->GetColumnCount();
2609         unsigned int col;
2610         for (col = 0; col < cols; col++)
2611         {
2612             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2613             if (column->IsHidden())
2614                 continue;      // skip it!
2615
2616             if ((col != 0) &&
2617                 model->IsContainer(item) &&
2618                 !model->HasContainerColumns(item))
2619                 continue;      // skip it!
2620
2621             wxDataViewRenderer *renderer =
2622                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2623             renderer->PrepareForItem(model, item, column->GetModelColumn());
2624
2625             height = wxMax( height, renderer->GetSize().y );
2626         }
2627
2628         return height;
2629     }
2630     else
2631     {
2632         return m_lineHeight;
2633     }
2634 }
2635
2636 class RowToItemJob: public DoJob
2637 {
2638 public:
2639     RowToItemJob( unsigned int row , int current )
2640         { this->row = row; this->current = current; }
2641     virtual ~RowToItemJob() {}
2642
2643     virtual int operator() ( wxDataViewTreeNode * node )
2644     {
2645         current ++;
2646         if( current == static_cast<int>(row))
2647         {
2648             ret = node->GetItem();
2649             return DoJob::OK;
2650         }
2651
2652         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2653         {
2654             current += node->GetSubTreeCount();
2655             return  DoJob::IGR;
2656         }
2657         else
2658         {
2659             // If the current has no child node, we can find the desired item of the row
2660             // number directly.
2661             // This if can speed up finding in some case, and will has a very good effect
2662             // when it comes to list view
2663             if( node->GetNodes().GetCount() == 0)
2664             {
2665                 int index = static_cast<int>(row) - current - 1;
2666                 ret = node->GetChildren().Item( index );
2667                 return DoJob::OK;
2668             }
2669             return DoJob::CONT;
2670         }
2671     }
2672
2673     virtual int operator() ( void * n )
2674     {
2675         current ++;
2676         if( current == static_cast<int>(row))
2677         {
2678             ret = wxDataViewItem( n );
2679             return DoJob::OK;
2680         }
2681         return DoJob::CONT;
2682     }
2683
2684     wxDataViewItem GetResult() const
2685         { return ret; }
2686
2687 private:
2688     unsigned int row;
2689     int current;
2690     wxDataViewItem ret;
2691 };
2692
2693 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2694 {
2695     if (IsVirtualList())
2696     {
2697         return wxDataViewItem( wxUIntToPtr(row+1) );
2698     }
2699     else
2700     {
2701         RowToItemJob job( row, -2 );
2702         Walker( m_root , job );
2703         return job.GetResult();
2704     }
2705 }
2706
2707 class RowToTreeNodeJob: public DoJob
2708 {
2709 public:
2710     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2711     {
2712         this->row = row;
2713         this->current = current;
2714         ret = NULL;
2715         parent = node;
2716     }
2717     virtual ~RowToTreeNodeJob(){ }
2718
2719     virtual int operator() ( wxDataViewTreeNode * node )
2720     {
2721         current ++;
2722         if( current == static_cast<int>(row))
2723         {
2724             ret = node;
2725             return DoJob::OK;
2726         }
2727
2728         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2729         {
2730             current += node->GetSubTreeCount();
2731             return  DoJob::IGR;
2732         }
2733         else
2734         {
2735             parent = node;
2736
2737             // If the current node has no children, we can find the desired item of the
2738             // row number directly.
2739             // This if can speed up finding in some case, and will have a very good
2740             // effect for list views.
2741             if( node->GetNodes().GetCount() == 0)
2742             {
2743                 int index = static_cast<int>(row) - current - 1;
2744                 void * n = node->GetChildren().Item( index );
2745                 ret = new wxDataViewTreeNode( parent );
2746                 ret->SetItem( wxDataViewItem( n ));
2747                 ret->SetHasChildren(false);
2748                 return DoJob::OK;
2749             }
2750             return DoJob::CONT;
2751         }
2752     }
2753
2754     virtual int operator() ( void * n )
2755     {
2756         current ++;
2757         if( current == static_cast<int>(row))
2758         {
2759             ret = new wxDataViewTreeNode( parent );
2760             ret->SetItem( wxDataViewItem( n ));
2761             ret->SetHasChildren(false);
2762             return DoJob::OK;
2763         }
2764
2765         return DoJob::CONT;
2766     }
2767
2768     wxDataViewTreeNode * GetResult() const
2769         { return ret; }
2770
2771 private:
2772     unsigned int row;
2773     int current;
2774     wxDataViewTreeNode * ret;
2775     wxDataViewTreeNode * parent;
2776 };
2777
2778 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2779 {
2780     wxASSERT( !IsVirtualList() );
2781
2782     RowToTreeNodeJob job( row , -2, m_root );
2783     Walker( m_root , job );
2784     return job.GetResult();
2785 }
2786
2787 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2788                                                          const wxDataViewItem & item )
2789 {
2790     wxWindow *parent = GetParent();
2791     wxDataViewEvent le(type, parent->GetId());
2792
2793     le.SetEventObject(parent);
2794     le.SetModel(GetOwner()->GetModel());
2795     le.SetItem( item );
2796
2797     parent->GetEventHandler()->ProcessEvent(le);
2798     return le;
2799 }
2800
2801 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2802 {
2803     if (IsList())
2804         return false;
2805
2806     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2807     if (!node)
2808         return false;
2809
2810     if (!node->HasChildren())
2811     {
2812         delete node;
2813         return false;
2814     }
2815
2816     return node->IsOpen();
2817 }
2818
2819 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2820 {
2821     if (IsList())
2822         return false;
2823
2824     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2825     if (!node)
2826         return false;
2827
2828     if (!node->HasChildren())
2829     {
2830         delete node;
2831         return false;
2832     }
2833
2834     return true;
2835 }
2836
2837 void wxDataViewMainWindow::Expand( unsigned int row )
2838 {
2839     if (IsList())
2840         return;
2841
2842     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2843     if (!node)
2844         return;
2845
2846     if (!node->HasChildren())
2847     {
2848         delete node;
2849         return;
2850     }
2851
2852             if (!node->IsOpen())
2853             {
2854                 wxDataViewEvent e =
2855                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2856
2857                 // Check if the user prevent expanding
2858                 if( e.GetSkipped() )
2859                     return;
2860
2861                 node->ToggleOpen();
2862
2863                 // build the children of current node
2864                 if( node->GetChildrenNumber() == 0 )
2865                 {
2866                     SortPrepare();
2867                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2868                 }
2869
2870                 // By expanding the node all row indices that are currently in the selection list
2871                 // and are greater than our node have become invalid. So we have to correct that now.
2872                 const unsigned rowAdjustment = node->GetSubTreeCount();
2873                 for(unsigned i=0; i<m_selection.size(); ++i)
2874                 {
2875                     const unsigned testRow = m_selection[i];
2876                     // all rows above us are not affected, so skip them
2877                     if(testRow <= row)
2878                         continue;
2879
2880                     m_selection[i] += rowAdjustment;
2881                 }
2882
2883                 if(m_currentRow > row)
2884                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2885
2886                 m_count = -1;
2887                 UpdateDisplay();
2888                 // Send the expanded event
2889                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2890             }
2891 }
2892
2893 void wxDataViewMainWindow::Collapse(unsigned int row)
2894 {
2895     if (IsList())
2896         return;
2897
2898     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2899     if (!node)
2900         return;
2901
2902     if (!node->HasChildren())
2903     {
2904         delete node;
2905         return;
2906     }
2907
2908         if (node->IsOpen())
2909         {
2910             wxDataViewEvent e =
2911                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2912             if( e.GetSkipped() )
2913                 return;
2914
2915             // Find out if there are selected items below the current node.
2916             bool selectCollapsingRow = false;
2917             const unsigned rowAdjustment = node->GetSubTreeCount();
2918             unsigned maxRowToBeTested = row + rowAdjustment;
2919             for(unsigned i=0; i<m_selection.size(); ++i)
2920             {
2921                 const unsigned testRow = m_selection[i];
2922                 if(testRow > row && testRow <= maxRowToBeTested)
2923                 {
2924                     selectCollapsingRow = true;
2925                     // get out as soon as we have found a node that is selected
2926                     break;
2927                 }
2928             }
2929
2930             node->ToggleOpen();
2931
2932             // If the node to be closed has selected items the user won't see those any longer.
2933             // We select the collapsing node in this case.
2934             if(selectCollapsingRow)
2935             {
2936                 SelectAllRows(false);
2937                 ChangeCurrentRow(row);
2938                 SelectRow(row, true);
2939                 SendSelectionChangedEvent(GetItemByRow(row));
2940             }
2941             else
2942             {
2943                 // if there were no selected items below our node we still need to "fix" the
2944                 // selection list to adjust for the changing of the row indices.
2945                 // We actually do the opposite of what we are doing in Expand().
2946                 for(unsigned i=0; i<m_selection.size(); ++i)
2947                 {
2948                     const unsigned testRow = m_selection[i];
2949                     // all rows above us are not affected, so skip them
2950                     if(testRow <= row)
2951                         continue;
2952
2953                     m_selection[i] -= rowAdjustment;
2954                 }
2955
2956                 // if the "current row" is being collapsed away we change it to the current row ;-)
2957                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2958                     ChangeCurrentRow(row);
2959                 else if(m_currentRow > row)
2960                     ChangeCurrentRow(m_currentRow - rowAdjustment);
2961             }
2962
2963             m_count = -1;
2964             UpdateDisplay();
2965             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
2966         }
2967 }
2968
2969 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2970 {
2971     wxDataViewModel * model = GetOwner()->GetModel();
2972     if( model == NULL )
2973         return NULL;
2974
2975     if (!item.IsOk())
2976         return m_root;
2977
2978     // Compose the a parent-chain of the finding item
2979     ItemList list;
2980     list.DeleteContents( true );
2981     wxDataViewItem it( item );
2982     while( it.IsOk() )
2983     {
2984         wxDataViewItem * pItem = new wxDataViewItem( it );
2985         list.Insert( pItem );
2986         it = model->GetParent( it );
2987     }
2988
2989     // Find the item along the parent-chain.
2990     // This algorithm is designed to speed up the node-finding method
2991     wxDataViewTreeNode * node = m_root;
2992     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2993     {
2994         if( node->HasChildren() )
2995         {
2996             if( node->GetChildrenNumber() == 0 )
2997             {
2998                 SortPrepare();
2999                 ::BuildTreeHelper(model, node->GetItem(), node);
3000             }
3001
3002             wxDataViewTreeNodes nodes = node->GetNodes();
3003             unsigned int i;
3004             bool found = false;
3005
3006             for (i = 0; i < nodes.GetCount(); i ++)
3007             {
3008                 if (nodes[i]->GetItem() == (**iter))
3009                 {
3010                     if (nodes[i]->GetItem() == item)
3011                     return nodes[i];
3012
3013                     node = nodes[i];
3014                     found = true;
3015                     break;
3016                 }
3017             }
3018             if (!found)
3019                 return NULL;
3020         }
3021         else
3022             return NULL;
3023     }
3024     return NULL;
3025 }
3026
3027 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3028                                     wxDataViewColumn* &column )
3029 {
3030     wxDataViewColumn *col = NULL;
3031     unsigned int cols = GetOwner()->GetColumnCount();
3032     unsigned int colnum = 0;
3033     int x, y;
3034     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3035     for (unsigned x_start = 0; colnum < cols; colnum++)
3036     {
3037         col = GetOwner()->GetColumnAt(colnum);
3038         if (col->IsHidden())
3039             continue;      // skip it!
3040
3041         unsigned int w = col->GetWidth();
3042         if (x_start+w >= (unsigned int)x)
3043             break;
3044
3045         x_start += w;
3046     }
3047
3048     column = col;
3049     item = GetItemByRow( GetLineAt( y ) );
3050 }
3051
3052 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3053                                           const wxDataViewColumn* column )
3054 {
3055     int xpos = 0;
3056     int width = 0;
3057
3058     unsigned int cols = GetOwner()->GetColumnCount();
3059     // If column is null the loop will compute the combined width of all columns.
3060     // Otherwise, it will compute the x position of the column we are looking for.
3061     for (unsigned int i = 0; i < cols; i++)
3062     {
3063         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3064
3065         if (col == column)
3066             break;
3067
3068         if (col->IsHidden())
3069             continue;      // skip it!
3070
3071         xpos += col->GetWidth();
3072         width += col->GetWidth();
3073     }
3074
3075     if(column != 0)
3076     {
3077         // If we have a column, we need can get its width directly.
3078         if(column->IsHidden())
3079             width = 0;
3080         else
3081             width = column->GetWidth();
3082
3083     }
3084     else
3085     {
3086         // If we have no column, we reset the x position back to zero.
3087         xpos = 0;
3088     }
3089
3090     // we have to take an expander column into account and compute its indentation
3091     // to get the correct x position where the actual text is
3092     int indent = 0;
3093     int row = GetRowByItem(item);
3094     if (!IsList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3095     {
3096         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3097         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3098         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3099
3100         if(!node->HasChildren())
3101             delete node;
3102     }
3103
3104     wxRect itemRect( xpos + indent,
3105                      GetLineStart( row ),
3106                      width - indent,
3107                      GetLineHeight( row ) );
3108
3109     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3110                                       &itemRect.x, &itemRect.y );
3111
3112     return itemRect;
3113 }
3114
3115 int wxDataViewMainWindow::RecalculateCount()
3116 {
3117     if (IsVirtualList())
3118     {
3119         wxDataViewVirtualListModel *list_model =
3120             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3121
3122         return list_model->GetCount();
3123     }
3124     else
3125     {
3126         return m_root->GetSubTreeCount();
3127     }
3128 }
3129
3130 class ItemToRowJob : public DoJob
3131 {
3132 public:
3133     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3134         : m_iter(iter),
3135         item(item_)
3136     {
3137         ret = -1;
3138     }
3139
3140     // Maybe binary search will help to speed up this process
3141     virtual int operator() ( wxDataViewTreeNode * node)
3142     {
3143         ret ++;
3144         if( node->GetItem() == item )
3145         {
3146             return DoJob::OK;
3147         }
3148
3149         if( node->GetItem() == **m_iter )
3150         {
3151             m_iter++;
3152             return DoJob::CONT;
3153         }
3154         else
3155         {
3156             ret += node->GetSubTreeCount();
3157             return DoJob::IGR;
3158         }
3159
3160     }
3161
3162     virtual int operator() ( void * n )
3163     {
3164         ret ++;
3165         if( n == item.GetID() )
3166             return DoJob::OK;
3167         return DoJob::CONT;
3168     }
3169
3170     // the row number is begin from zero
3171     int GetResult() const
3172         { return ret -1; }
3173
3174 private:
3175     ItemList::const_iterator  m_iter;
3176     wxDataViewItem item;
3177     int ret;
3178
3179 };
3180
3181 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3182 {
3183     const wxDataViewModel * model = GetOwner()->GetModel();
3184     if( model == NULL )
3185         return -1;
3186
3187     if (IsVirtualList())
3188     {
3189         return wxPtrToUInt( item.GetID() ) -1;
3190     }
3191     else
3192     {
3193         if( !item.IsOk() )
3194             return -1;
3195
3196         // Compose the a parent-chain of the finding item
3197         ItemList list;
3198         wxDataViewItem * pItem;
3199         list.DeleteContents( true );
3200         wxDataViewItem it( item );
3201         while( it.IsOk() )
3202         {
3203             pItem = new wxDataViewItem( it );
3204             list.Insert( pItem );
3205             it = model->GetParent( it );
3206         }
3207         pItem = new wxDataViewItem( );
3208         list.Insert( pItem );
3209
3210         ItemToRowJob job( item, list.begin() );
3211         Walker(m_root , job );
3212         return job.GetResult();
3213     }
3214 }
3215
3216 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3217                              wxDataViewTreeNode * node)
3218 {
3219     if( !model->IsContainer( item ) )
3220         return;
3221
3222     wxDataViewItemArray children;
3223     unsigned int num = model->GetChildren( item, children);
3224
3225     unsigned int index = 0;
3226     while( index < num )
3227     {
3228         if( model->IsContainer( children[index] ) )
3229         {
3230             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3231             n->SetItem(children[index]);
3232             n->SetHasChildren( true );
3233             node->AddNode( n );
3234         }
3235         else
3236         {
3237             node->AddLeaf( children[index].GetID() );
3238         }
3239         index ++;
3240     }
3241     node->SetSubTreeCount( num );
3242     wxDataViewTreeNode * n = node->GetParent();
3243     if( n != NULL)
3244         n->ChangeSubTreeCount(num);
3245
3246 }
3247
3248 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3249 {
3250     DestroyTree();
3251
3252     if (GetOwner()->GetModel()->IsVirtualListModel())
3253     {
3254         m_count = -1;
3255         return;
3256     }
3257
3258     m_root = new wxDataViewTreeNode( NULL );
3259     m_root->SetHasChildren(true);
3260
3261     // First we define a invalid item to fetch the top-level elements
3262     wxDataViewItem item;
3263     SortPrepare();
3264     BuildTreeHelper( model, item, m_root);
3265     m_count = -1;
3266 }
3267
3268 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3269 {
3270     if( node->GetNodeNumber() != 0 )
3271     {
3272         int len = node->GetNodeNumber();
3273         wxDataViewTreeNodes& nodes = node->GetNodes();
3274         for (int i = 0; i < len; i++)
3275             DestroyTreeHelper(nodes[i]);
3276     }
3277     delete node;
3278 }
3279
3280 void wxDataViewMainWindow::DestroyTree()
3281 {
3282     if (!IsVirtualList())
3283     {
3284         ::DestroyTreeHelper(m_root);
3285             m_count = 0;
3286             m_root = NULL;
3287     }
3288 }
3289
3290 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3291 {
3292     wxWindow * const parent = GetParent();
3293
3294     // propagate the char event upwards
3295     wxKeyEvent eventForParent(event);
3296     eventForParent.SetEventObject(parent);
3297     if ( parent->ProcessWindowEvent(eventForParent) )
3298         return;
3299
3300     if ( parent->HandleAsNavigationKey(event) )
3301         return;
3302
3303     // no item -> nothing to do
3304     if (!HasCurrentRow())
3305     {
3306         event.Skip();
3307         return;
3308     }
3309
3310     // don't use m_linesPerPage directly as it might not be computed yet
3311     const int pageSize = GetCountPerPage();
3312     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3313
3314     switch ( event.GetKeyCode() )
3315     {
3316         case WXK_RETURN:
3317             {
3318                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3319                                    parent->GetId());
3320                 le.SetItem( GetItemByRow(m_currentRow) );
3321                 le.SetEventObject(parent);
3322                 le.SetModel(GetOwner()->GetModel());
3323
3324                 parent->GetEventHandler()->ProcessEvent(le);
3325             }
3326             break;
3327
3328         case WXK_UP:
3329             if ( m_currentRow > 0 )
3330                 OnArrowChar( m_currentRow - 1, event );
3331             break;
3332
3333         case WXK_DOWN:
3334             if ( m_currentRow < GetRowCount() - 1 )
3335                 OnArrowChar( m_currentRow + 1, event );
3336             break;
3337         // Add the process for tree expanding/collapsing
3338         case WXK_LEFT:
3339         {
3340             if (IsList())
3341                break;
3342
3343             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3344             if (!node)
3345                 break;
3346
3347             if (node->HasChildren() && node->IsOpen())
3348             {
3349                 Collapse(m_currentRow);
3350             }
3351             else    // if the node is already closed we move the selection to its parent
3352             {
3353                 wxDataViewTreeNode *parent_node = node->GetParent();
3354
3355                 if(!node->HasChildren())
3356                     delete node;
3357
3358                 if (parent_node)
3359                 {
3360                     int parent = GetRowByItem( parent_node->GetItem() );
3361                     if ( parent >= 0 )
3362                     {
3363                         unsigned int row = m_currentRow;
3364                         SelectRow( row, false);
3365                         SelectRow( parent, true );
3366                         ChangeCurrentRow( parent );
3367                         GetOwner()->EnsureVisible( parent, -1 );
3368                         SendSelectionChangedEvent( parent_node->GetItem() );
3369                     }
3370                 }
3371             }
3372             break;
3373         }
3374         case WXK_RIGHT:
3375         {
3376             if (!IsExpanded( m_currentRow ))
3377                 Expand( m_currentRow );
3378             else
3379             {
3380                 unsigned int row = m_currentRow;
3381                 SelectRow( row, false );
3382                 SelectRow( row + 1, true );
3383                 ChangeCurrentRow( row + 1 );
3384                 GetOwner()->EnsureVisible( row + 1, -1 );
3385                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3386             }
3387             break;
3388         }
3389         case WXK_END:
3390         {
3391             if (!IsEmpty())
3392                 OnArrowChar( GetRowCount() - 1, event );
3393             break;
3394         }
3395         case WXK_HOME:
3396             if (!IsEmpty())
3397                 OnArrowChar( 0, event );
3398             break;
3399
3400         case WXK_PAGEUP:
3401             {
3402                 int steps = pageSize - 1;
3403                 int index = m_currentRow - steps;
3404                 if (index < 0)
3405                     index = 0;
3406
3407                 OnArrowChar( index, event );
3408             }
3409             break;
3410
3411         case WXK_PAGEDOWN:
3412             {
3413                 int steps = pageSize - 1;
3414                 unsigned int index = m_currentRow + steps;
3415                 unsigned int count = GetRowCount();
3416                 if ( index >= count )
3417                     index = count - 1;
3418
3419                 OnArrowChar( index, event );
3420             }
3421             break;
3422
3423         case WXK_F2:
3424             {
3425                 if(m_selection.size() == 1)
3426                 {
3427                     // TODO: we need to revise that when we have a concept for a 'current column'
3428                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3429                 }
3430             }
3431             break;
3432
3433         default:
3434             event.Skip();
3435     }
3436 }
3437
3438 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3439 {
3440     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3441     {
3442         // let the base handle mouse wheel events.
3443         event.Skip();
3444         return;
3445     }
3446
3447     // set the focus to ourself if any of the mouse buttons are pressed
3448     if(event.ButtonDown() && !HasFocus())
3449         SetFocus();
3450
3451     int x = event.GetX();
3452     int y = event.GetY();
3453     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3454     wxDataViewColumn *col = NULL;
3455
3456     int xpos = 0;
3457     unsigned int cols = GetOwner()->GetColumnCount();
3458     unsigned int i;
3459     for (i = 0; i < cols; i++)
3460     {
3461         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3462         if (c->IsHidden())
3463             continue;      // skip it!
3464
3465         if (x < xpos + c->GetWidth())
3466         {
3467             col = c;
3468             break;
3469         }
3470         xpos += c->GetWidth();
3471     }
3472     if (!col)
3473         return;
3474
3475     wxDataViewRenderer *cell = col->GetRenderer();
3476     unsigned int current = GetLineAt( y );
3477     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3478     {
3479         // Unselect all if below the last row ?
3480         return;
3481     }
3482
3483     // Test whether the mouse is hovered on the tree item button
3484     bool hoverOverExpander = false;
3485     if ((!IsList()) && (GetOwner()->GetExpanderColumn() == col))
3486     {
3487         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3488         if( node!=NULL && node->HasChildren() )
3489         {
3490             int indent = node->GetIndentLevel();
3491             indent = GetOwner()->GetIndent()*indent;
3492
3493             // we make the rectangle we are looking in a bit bigger than the actual
3494             // visual expander so the user can hit that little thing reliably
3495             wxRect rect( xpos + indent,
3496                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3497                         m_lineHeight, m_lineHeight);
3498             if( rect.Contains(x, y) )
3499             {
3500                 // So the mouse is over the expander
3501                 hoverOverExpander = true;
3502                 if (m_underMouse && m_underMouse != node)
3503                 {
3504                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3505                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3506                 }
3507                 if (m_underMouse != node)
3508                 {
3509                     // wxLogMessage("Do the row: %d", current);
3510                     RefreshRow(current);
3511                 }
3512                 m_underMouse = node;
3513             }
3514         }
3515         if (node!=NULL && !node->HasChildren())
3516             delete node;
3517     }
3518     if (!hoverOverExpander)
3519     {
3520         if (m_underMouse != NULL)
3521         {
3522             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3523             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3524             m_underMouse = NULL;
3525         }
3526     }
3527
3528     wxDataViewModel *model = GetOwner()->GetModel();
3529
3530 #if wxUSE_DRAG_AND_DROP
3531     if (event.Dragging())
3532     {
3533         if (m_dragCount == 0)
3534         {
3535             // we have to report the raw, physical coords as we want to be
3536             // able to call HitTest(event.m_pointDrag) from the user code to
3537             // get the item being dragged
3538             m_dragStart = event.GetPosition();
3539         }
3540
3541         m_dragCount++;
3542
3543         if (m_dragCount != 3)
3544             return;
3545
3546         if (event.LeftIsDown())
3547         {
3548             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3549                                              &m_dragStart.x, &m_dragStart.y );
3550             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3551             wxDataViewItem item = GetItemByRow( drag_item_row );
3552
3553             // Notify cell about drag
3554             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3555             event.SetEventObject( m_owner );
3556             event.SetItem( item );
3557             event.SetModel( model );
3558             if (!m_owner->HandleWindowEvent( event ))
3559                 return;
3560
3561             if (!event.IsAllowed())
3562                 return;
3563
3564             wxDataObject *obj = event.GetDataObject();
3565             if (!obj)
3566                 return;
3567
3568             wxDataViewDropSource drag( this, drag_item_row );
3569             drag.SetData( *obj );
3570             /* wxDragResult res = */ drag.DoDragDrop();
3571             delete obj;
3572         }
3573         return;
3574     }
3575     else
3576     {
3577         m_dragCount = 0;
3578     }
3579 #endif // wxUSE_DRAG_AND_DROP
3580
3581     bool simulateClick = false;
3582
3583     if (event.ButtonDClick())
3584     {
3585         m_renameTimer->Stop();
3586         m_lastOnSame = false;
3587     }
3588
3589     wxDataViewItem item = GetItemByRow(current);
3590     bool ignore_other_columns =
3591         ((GetOwner()->GetExpanderColumn() != col) &&
3592         (model->IsContainer(item)) &&
3593         (!model->HasContainerColumns(item)));
3594
3595     if (event.LeftDClick())
3596     {
3597         if(hoverOverExpander)
3598         {
3599             // a double click on the expander will be converted into a "simulated" normal click
3600             simulateClick = true;
3601         }
3602         else if ( current == m_lineLastClicked )
3603         {
3604             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3605             {
3606                 const unsigned colIdx = col->GetModelColumn();
3607
3608                 wxVariant value;
3609                 model->GetValue( value, item, colIdx );
3610
3611                 cell->WXOnActivate(model, value, item, colIdx);
3612
3613                 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3614                 {
3615                     cell->SetValue( value );
3616
3617                     wxRect cell_rect( xpos, GetLineStart( current ),
3618                                     col->GetWidth(), GetLineHeight( current ) );
3619                     custom->Activate( cell_rect, model, item, colIdx );
3620                 }
3621             }
3622             else
3623             {
3624                 wxWindow *parent = GetParent();
3625                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3626                 le.SetItem( item );
3627                 le.SetEventObject(parent);
3628                 le.SetModel(GetOwner()->GetModel());
3629
3630                 parent->GetEventHandler()->ProcessEvent(le);
3631             }
3632             return;
3633         }
3634         else
3635         {
3636             // The first click was on another item, so don't interpret this as
3637             // a double click, but as a simple click instead
3638             simulateClick = true;
3639         }
3640     }
3641
3642     if (event.LeftUp() && !hoverOverExpander)
3643     {
3644         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3645         {
3646             // select single line
3647             SelectAllRows( false );
3648             SelectRow( m_lineSelectSingleOnUp, true );
3649             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3650         }
3651
3652         // If the user click the expander, we do not do editing even if the column
3653         // with expander are editable
3654         if (m_lastOnSame && !ignore_other_columns)
3655         {
3656             if ((col == m_currentCol) && (current == m_currentRow) &&
3657                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3658             {
3659                 m_renameTimer->Start( 100, true );
3660             }
3661         }
3662
3663         m_lastOnSame = false;
3664         m_lineSelectSingleOnUp = (unsigned int)-1;
3665     }
3666     else if(!event.LeftUp())
3667     {
3668         // This is necessary, because after a DnD operation in
3669         // from and to ourself, the up event is swallowed by the
3670         // DnD code. So on next non-up event (which means here and
3671         // now) m_lineSelectSingleOnUp should be reset.
3672         m_lineSelectSingleOnUp = (unsigned int)-1;
3673     }
3674
3675     if (event.RightDown())
3676     {
3677         m_lineBeforeLastClicked = m_lineLastClicked;
3678         m_lineLastClicked = current;
3679
3680         // If the item is already selected, do not update the selection.
3681         // Multi-selections should not be cleared if a selected item is clicked.
3682         if (!IsRowSelected(current))
3683         {
3684             SelectAllRows(false);
3685             ChangeCurrentRow(current);
3686             SelectRow(m_currentRow,true);
3687             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3688         }
3689     }
3690     else if (event.RightUp())
3691     {
3692         wxVariant value;
3693         model->GetValue( value, item, col->GetModelColumn() );
3694         wxWindow *parent = GetParent();
3695         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3696         le.SetItem( item );
3697         le.SetEventObject(parent);
3698         le.SetModel(GetOwner()->GetModel());
3699         le.SetValue(value);
3700         parent->GetEventHandler()->ProcessEvent(le);
3701     }
3702     else if (event.MiddleDown())
3703     {
3704     }
3705
3706     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3707     {
3708         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3709
3710         // hoverOverExpander being true tells us that our node must be
3711         // valid and have children.
3712         // So we don't need any extra checks.
3713         if( node->IsOpen() )
3714             Collapse(current);
3715         else
3716             Expand(current);
3717     }
3718     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3719     {
3720         m_lineBeforeLastClicked = m_lineLastClicked;
3721         m_lineLastClicked = current;
3722
3723         unsigned int oldCurrentRow = m_currentRow;
3724         bool oldWasSelected = IsRowSelected(m_currentRow);
3725
3726         bool cmdModifierDown = event.CmdDown();
3727         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3728         {
3729             if ( IsSingleSel() || !IsRowSelected(current) )
3730             {
3731                 SelectAllRows( false );
3732                 ChangeCurrentRow(current);
3733                 SelectRow(m_currentRow,true);
3734                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3735             }
3736             else // multi sel & current is highlighted & no mod keys
3737             {
3738                 m_lineSelectSingleOnUp = current;
3739                 ChangeCurrentRow(current); // change focus
3740             }
3741         }
3742         else // multi sel & either ctrl or shift is down
3743         {
3744             if (cmdModifierDown)
3745             {
3746                 ChangeCurrentRow(current);
3747                 ReverseRowSelection(m_currentRow);
3748                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3749             }
3750             else if (event.ShiftDown())
3751             {
3752                 ChangeCurrentRow(current);
3753
3754                 unsigned int lineFrom = oldCurrentRow,
3755                     lineTo = current;
3756
3757                 if ( lineTo < lineFrom )
3758                 {
3759                     lineTo = lineFrom;
3760                     lineFrom = m_currentRow;
3761                 }
3762
3763                 SelectRows(lineFrom, lineTo, true);
3764                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3765             }
3766             else // !ctrl, !shift
3767             {
3768                 // test in the enclosing if should make it impossible
3769                 wxFAIL_MSG( wxT("how did we get here?") );
3770             }
3771         }
3772
3773         if (m_currentRow != oldCurrentRow)
3774             RefreshRow( oldCurrentRow );
3775
3776         wxDataViewColumn *oldCurrentCol = m_currentCol;
3777
3778         // Update selection here...
3779         m_currentCol = col;
3780
3781         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3782                         (current == oldCurrentRow)) && oldWasSelected;
3783
3784         // Call LeftClick after everything else as under GTK+
3785         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3786         {
3787             if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3788             {
3789                 // notify cell about click
3790                 custom->PrepareForItem(model, item, col->GetModelColumn());
3791
3792                 wxRect cell_rect( xpos, GetLineStart( current ),
3793                                   col->GetWidth(), GetLineHeight( current ) );
3794
3795                 // Report position relative to the cell's custom area, i.e.
3796                 // no the entire space as given by the control but the one
3797                 // used by the renderer after calculation of alignment etc.
3798
3799                 // adjust the rectangle ourselves to account for the alignment
3800                 wxRect rectItem = cell_rect;
3801                 const int align = custom->GetAlignment();
3802                 if ( align != wxDVR_DEFAULT_ALIGNMENT )
3803                 {
3804                     const wxSize size = custom->GetSize();
3805
3806                     if ( size.x >= 0 && size.x < cell_rect.width )
3807                     {
3808                         if ( align & wxALIGN_CENTER_HORIZONTAL )
3809                             rectItem.x += (cell_rect.width - size.x)/2;
3810                         else if ( align & wxALIGN_RIGHT )
3811                             rectItem.x += cell_rect.width - size.x;
3812                         // else: wxALIGN_LEFT is the default
3813                     }
3814
3815                     if ( size.y >= 0 && size.y < cell_rect.height )
3816                     {
3817                         if ( align & wxALIGN_CENTER_VERTICAL )
3818                             rectItem.y += (cell_rect.height - size.y)/2;
3819                         else if ( align & wxALIGN_BOTTOM )
3820                             rectItem.y += cell_rect.height - size.y;
3821                         // else: wxALIGN_TOP is the default
3822                     }
3823                 }
3824
3825                 wxPoint pos( event.GetPosition() );
3826                 pos.x -= rectItem.x;
3827                 pos.y -= rectItem.y;
3828
3829                 m_owner->CalcUnscrolledPosition( pos.x, pos.y, &pos.x, &pos.y );
3830
3831                  /* ignore ret */ custom->LeftClick( pos, cell_rect,
3832                                   model, item, col->GetModelColumn());
3833             }
3834         }
3835     }
3836 }
3837
3838 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3839 {
3840     m_hasFocus = true;
3841
3842     if (HasCurrentRow())
3843         Refresh();
3844
3845     event.Skip();
3846 }
3847
3848 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3849 {
3850     m_hasFocus = false;
3851
3852     if (HasCurrentRow())
3853         Refresh();
3854
3855     event.Skip();
3856 }
3857
3858 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3859 {
3860     if( m_selection.GetCount() != 1 )
3861         return wxDataViewItem();
3862
3863     return GetItemByRow( m_selection.Item(0));
3864 }
3865
3866 //-----------------------------------------------------------------------------
3867 // wxDataViewCtrl
3868 //-----------------------------------------------------------------------------
3869
3870 WX_DEFINE_LIST(wxDataViewColumnList)
3871
3872 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3873 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3874     EVT_SIZE(wxDataViewCtrl::OnSize)
3875 END_EVENT_TABLE()
3876
3877 wxDataViewCtrl::~wxDataViewCtrl()
3878 {
3879     if (m_notifier)
3880         GetModel()->RemoveNotifier( m_notifier );
3881
3882     m_cols.Clear();
3883     m_colsBestWidths.clear();
3884 }
3885
3886 void wxDataViewCtrl::Init()
3887 {
3888     m_cols.DeleteContents(true);
3889     m_notifier = NULL;
3890
3891     // No sorting column at start
3892     m_sortingColumnIdx = wxNOT_FOUND;
3893
3894     m_headerArea = NULL;
3895 }
3896
3897 bool wxDataViewCtrl::Create(wxWindow *parent,
3898                             wxWindowID id,
3899                             const wxPoint& pos,
3900                             const wxSize& size,
3901                             long style,
3902                             const wxValidator& validator,
3903                             const wxString& name)
3904 {
3905 //    if ( (style & wxBORDER_MASK) == 0)
3906 //        style |= wxBORDER_SUNKEN;
3907
3908     Init();
3909
3910     if (!wxControl::Create( parent, id, pos, size,
3911                             style | wxScrolledWindowStyle, validator, name))
3912         return false;
3913
3914     SetInitialSize(size);
3915
3916 #ifdef __WXMAC__
3917     MacSetClipChildren( true );
3918 #endif
3919
3920     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3921
3922     // We use the cursor keys for moving the selection, not scrolling, so call
3923     // this method to ensure wxScrollHelperEvtHandler doesn't catch all
3924     // keyboard events forwarded to us from wxListMainWindow.
3925     DisableKeyboardScrolling();
3926
3927     if (HasFlag(wxDV_NO_HEADER))
3928         m_headerArea = NULL;
3929     else
3930         m_headerArea = new wxDataViewHeaderWindow(this);
3931
3932     SetTargetWindow( m_clientArea );
3933
3934     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3935     if (m_headerArea)
3936         sizer->Add( m_headerArea, 0, wxGROW );
3937     sizer->Add( m_clientArea, 1, wxGROW );
3938     SetSizer( sizer );
3939
3940     return true;
3941 }
3942
3943 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3944 {
3945     return wxBORDER_THEME;
3946 }
3947
3948 #ifdef __WXMSW__
3949 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3950                                         WXWPARAM wParam,
3951                                         WXLPARAM lParam)
3952 {
3953     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3954
3955 #ifndef __WXWINCE__
3956     // we need to process arrows ourselves for scrolling
3957     if ( nMsg == WM_GETDLGCODE )
3958     {
3959         rc |= DLGC_WANTARROWS;
3960     }
3961 #endif
3962
3963     return rc;
3964 }
3965 #endif
3966
3967 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3968 {
3969     wxSize newsize = size;
3970     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3971     newsize.y -= m_headerArea->GetSize().y;
3972
3973     return newsize;
3974 }
3975
3976 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3977 {
3978     // We need to override OnSize so that our scrolled
3979     // window a) does call Layout() to use sizers for
3980     // positioning the controls but b) does not query
3981     // the sizer for their size and use that for setting
3982     // the scrollable area as set that ourselves by
3983     // calling SetScrollbar() further down.
3984
3985     Layout();
3986
3987     AdjustScrollbars();
3988 }
3989
3990 void wxDataViewCtrl::SetFocus()
3991 {
3992     if (m_clientArea)
3993         m_clientArea->SetFocus();
3994 }
3995
3996 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3997 {
3998     if (!wxDataViewCtrlBase::AssociateModel( model ))
3999         return false;
4000
4001     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4002
4003     model->AddNotifier( m_notifier );
4004
4005     m_clientArea->DestroyTree();
4006
4007     m_clientArea->BuildTree(model);
4008
4009     m_clientArea->UpdateDisplay();
4010
4011     return true;
4012 }
4013
4014 #if wxUSE_DRAG_AND_DROP
4015
4016 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4017 {
4018     return m_clientArea->EnableDragSource( format );
4019 }
4020
4021 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4022 {
4023     return m_clientArea->EnableDropTarget( format );
4024 }
4025
4026 #endif // wxUSE_DRAG_AND_DROP
4027
4028 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4029 {
4030     if (!wxDataViewCtrlBase::AppendColumn(col))
4031         return false;
4032
4033     m_cols.Append( col );
4034     m_colsBestWidths.push_back(0);
4035     OnColumnsCountChanged();
4036     return true;
4037 }
4038
4039 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4040 {
4041     if (!wxDataViewCtrlBase::PrependColumn(col))
4042         return false;
4043
4044     m_cols.Insert( col );
4045     m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
4046     OnColumnsCountChanged();
4047     return true;
4048 }
4049
4050 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4051 {
4052     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4053         return false;
4054
4055     m_cols.Insert( pos, col );
4056     m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
4057     OnColumnsCountChanged();
4058     return true;
4059 }
4060
4061 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4062 {
4063     if ( m_headerArea )
4064         m_headerArea->UpdateColumn(idx);
4065
4066     m_clientArea->UpdateDisplay();
4067 }
4068
4069 void wxDataViewCtrl::OnColumnsCountChanged()
4070 {
4071     if (m_headerArea)
4072         m_headerArea->SetColumnCount(GetColumnCount());
4073
4074     m_clientArea->UpdateDisplay();
4075 }
4076
4077 void wxDataViewCtrl::DoSetExpanderColumn()
4078 {
4079     m_clientArea->UpdateDisplay();
4080 }
4081
4082 void wxDataViewCtrl::DoSetIndent()
4083 {
4084     m_clientArea->UpdateDisplay();
4085 }
4086
4087 unsigned int wxDataViewCtrl::GetColumnCount() const
4088 {
4089     return m_cols.GetCount();
4090 }
4091
4092 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4093 {
4094     return m_cols[idx];
4095 }
4096
4097 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4098 {
4099     // columns can't be reordered if there is no header window which allows
4100     // to do this
4101     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4102                                     : pos;
4103
4104     return GetColumn(idx);
4105 }
4106
4107 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4108 {
4109     const unsigned count = m_cols.size();
4110     for ( unsigned n = 0; n < count; n++ )
4111     {
4112         if ( m_cols[n] == column )
4113             return n;
4114     }
4115
4116     return wxNOT_FOUND;
4117 }
4118
4119 unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
4120 {
4121     if ( m_colsBestWidths[idx] != 0 )
4122         return m_colsBestWidths[idx];
4123
4124     const unsigned count = m_clientArea->GetRowCount();
4125     wxDataViewColumn *column = GetColumn(idx);
4126     wxDataViewRenderer *renderer =
4127         const_cast<wxDataViewRenderer*>(column->GetRenderer());
4128
4129     int max_width = 0;
4130
4131     if ( m_headerArea )
4132     {
4133         max_width = m_headerArea->GetTextExtent(column->GetTitle()).x;
4134
4135         // Labels on native MSW header are indented on both sides
4136         max_width += wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea);
4137     }
4138
4139     for ( unsigned row = 0; row < count; row++ )
4140     {
4141         wxDataViewItem item = m_clientArea->GetItemByRow(row);
4142
4143         renderer->PrepareForItem(GetModel(), item, column->GetModelColumn());
4144
4145         max_width = (unsigned)wxMax((int)max_width, renderer->GetSize().x);
4146     }
4147
4148     if ( max_width > 0 )
4149         max_width += 2 * PADDING_RIGHTLEFT;
4150
4151     const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
4152     return max_width;
4153 }
4154
4155 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4156                                 unsigned int WXUNUSED(new_pos))
4157 {
4158     // do _not_ reorder m_cols elements here, they should always be in the
4159     // order in which columns were added, we only display the columns in
4160     // different order
4161     m_clientArea->UpdateDisplay();
4162 }
4163
4164 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4165 {
4166     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4167     if (!ret)
4168         return false;
4169
4170     m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
4171     m_cols.Erase(ret);
4172     OnColumnsCountChanged();
4173
4174     return true;
4175 }
4176
4177 bool wxDataViewCtrl::ClearColumns()
4178 {
4179     m_cols.Clear();
4180     m_colsBestWidths.clear();
4181     OnColumnsCountChanged();
4182     return true;
4183 }
4184
4185 void wxDataViewCtrl::InvalidateColBestWidth(int idx)
4186 {
4187     m_colsBestWidths[idx] = 0;
4188
4189     if ( m_headerArea )
4190         m_headerArea->UpdateColumn(idx);
4191 }
4192
4193 void wxDataViewCtrl::InvalidateColBestWidths()
4194 {
4195     m_colsBestWidths.clear();
4196     m_colsBestWidths.resize(m_cols.size());
4197
4198     if ( m_headerArea )
4199     {
4200         // this updates visual appearance of columns 0 and up, not just 0
4201         m_headerArea->UpdateColumn(0);
4202     }
4203 }
4204
4205 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4206 {
4207 #if 1
4208     unsigned int len = GetColumnCount();
4209     for ( unsigned int i = 0; i < len; i++ )
4210     {
4211         wxDataViewColumn * col = GetColumnAt(i);
4212         if (column==col)
4213             return i;
4214     }
4215
4216     return wxNOT_FOUND;
4217 #else
4218     // This returns the position in pixels which is not what we want.
4219     int ret = 0,
4220         dummy = 0;
4221     unsigned int len = GetColumnCount();
4222     for ( unsigned int i = 0; i < len; i++ )
4223     {
4224         wxDataViewColumn * col = GetColumnAt(i);
4225         if (col->IsHidden())
4226             continue;
4227         ret += col->GetWidth();
4228         if (column==col)
4229         {
4230             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4231             break;
4232         }
4233     }
4234     return ret;
4235 #endif
4236 }
4237
4238 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4239 {
4240     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4241                                             : GetColumn(m_sortingColumnIdx);
4242 }
4243
4244 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4245 {
4246     return GetItemByRow(m_clientArea->GetCurrentRow());
4247 }
4248
4249 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4250 {
4251     const int row = m_clientArea->GetRowByItem(item);
4252
4253     const unsigned oldCurrent = m_clientArea->GetCurrentRow();
4254     if ( static_cast<unsigned>(row) != oldCurrent )
4255     {
4256         m_clientArea->ChangeCurrentRow(row);
4257         m_clientArea->RefreshRow(oldCurrent);
4258         m_clientArea->RefreshRow(row);
4259     }
4260 }
4261
4262 // Selection code with wxDataViewItem as parameters
4263 wxDataViewItem wxDataViewCtrl::GetSelection() const
4264 {
4265     return m_clientArea->GetSelection();
4266 }
4267
4268 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4269 {
4270     sel.Empty();
4271     wxDataViewSelection selection = m_clientArea->GetSelections();
4272     int len = selection.GetCount();
4273     for( int i = 0; i < len; i ++)
4274     {
4275         unsigned int row = selection[i];
4276         sel.Add( m_clientArea->GetItemByRow( row ) );
4277     }
4278     return len;
4279 }
4280
4281 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4282 {
4283     wxDataViewSelection selection(wxDataViewSelectionCmp);
4284
4285     wxDataViewItem last_parent;
4286
4287     int len = sel.GetCount();
4288     for( int i = 0; i < len; i ++ )
4289     {
4290         wxDataViewItem item = sel[i];
4291         wxDataViewItem parent = GetModel()->GetParent( item );
4292         if (parent)
4293         {
4294             if (parent != last_parent)
4295                 ExpandAncestors(item);
4296         }
4297
4298         last_parent = parent;
4299         int row = m_clientArea->GetRowByItem( item );
4300         if( row >= 0 )
4301             selection.Add( static_cast<unsigned int>(row) );
4302     }
4303
4304     m_clientArea->SetSelections( selection );
4305 }
4306
4307 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4308 {
4309     ExpandAncestors( item );
4310
4311     int row = m_clientArea->GetRowByItem( item );
4312     if( row >= 0 )
4313     {
4314         // Unselect all rows before select another in the single select mode
4315         if (m_clientArea->IsSingleSel())
4316             m_clientArea->SelectAllRows(false);
4317
4318         m_clientArea->SelectRow(row, true);
4319
4320         // Also set focus to the selected item
4321         m_clientArea->ChangeCurrentRow( row );
4322     }
4323 }
4324
4325 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4326 {
4327     int row = m_clientArea->GetRowByItem( item );
4328     if( row >= 0 )
4329         m_clientArea->SelectRow(row, false);
4330 }
4331
4332 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4333 {
4334     int row = m_clientArea->GetRowByItem( item );
4335     if( row >= 0 )
4336     {
4337         return m_clientArea->IsRowSelected(row);
4338     }
4339     return false;
4340 }
4341
4342 // Selection code with row number as parameter
4343 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4344 {
4345     sel.Empty();
4346     wxDataViewSelection selection = m_clientArea->GetSelections();
4347     int len = selection.GetCount();
4348     for( int i = 0; i < len; i ++)
4349     {
4350         unsigned int row = selection[i];
4351         sel.Add( row );
4352     }
4353     return len;
4354 }
4355
4356 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4357 {
4358     wxDataViewSelection selection(wxDataViewSelectionCmp);
4359     int len = sel.GetCount();
4360     for( int i = 0; i < len; i ++ )
4361     {
4362         int row = sel[i];
4363         if( row >= 0 )
4364             selection.Add( static_cast<unsigned int>(row) );
4365     }
4366     m_clientArea->SetSelections( selection );
4367 }
4368
4369 void wxDataViewCtrl::Select( int row )
4370 {
4371     if( row >= 0 )
4372     {
4373         if (m_clientArea->IsSingleSel())
4374             m_clientArea->SelectAllRows(false);
4375         m_clientArea->SelectRow( row, true );
4376     }
4377 }
4378
4379 void wxDataViewCtrl::Unselect( int row )
4380 {
4381     if( row >= 0 )
4382         m_clientArea->SelectRow(row, false);
4383 }
4384
4385 bool wxDataViewCtrl::IsSelected( int row ) const
4386 {
4387     if( row >= 0 )
4388         return m_clientArea->IsRowSelected(row);
4389     return false;
4390 }
4391
4392 void wxDataViewCtrl::SelectRange( int from, int to )
4393 {
4394     wxArrayInt sel;
4395     for( int i = from; i < to; i ++ )
4396         sel.Add( i );
4397     m_clientArea->Select(sel);
4398 }
4399
4400 void wxDataViewCtrl::UnselectRange( int from, int to )
4401 {
4402     wxDataViewSelection sel = m_clientArea->GetSelections();
4403     for( int i = from; i < to; i ++ )
4404         if( sel.Index( i ) != wxNOT_FOUND )
4405             sel.Remove( i );
4406     m_clientArea->SetSelections(sel);
4407 }
4408
4409 void wxDataViewCtrl::SelectAll()
4410 {
4411     m_clientArea->SelectAllRows(true);
4412 }
4413
4414 void wxDataViewCtrl::UnselectAll()
4415 {
4416     m_clientArea->SelectAllRows(false);
4417 }
4418
4419 void wxDataViewCtrl::EnsureVisible( int row, int column )
4420 {
4421     if( row < 0 )
4422         row = 0;
4423     if( row > (int) m_clientArea->GetRowCount() )
4424         row = m_clientArea->GetRowCount();
4425
4426     int first = m_clientArea->GetFirstVisibleRow();
4427     int last = m_clientArea->GetLastVisibleRow();
4428     if( row < first )
4429         m_clientArea->ScrollTo( row, column );
4430     else if( row > last )
4431         m_clientArea->ScrollTo( row - last + first, column );
4432     else
4433         m_clientArea->ScrollTo( first, column );
4434 }
4435
4436 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4437 {
4438     ExpandAncestors( item );
4439
4440     m_clientArea->RecalculateDisplay();
4441
4442     int row = m_clientArea->GetRowByItem(item);
4443     if( row >= 0 )
4444     {
4445         if( column == NULL )
4446             EnsureVisible(row, -1);
4447         else
4448             EnsureVisible( row, GetColumnIndex(column) );
4449     }
4450
4451 }
4452
4453 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4454                               wxDataViewColumn* &column ) const
4455 {
4456     m_clientArea->HitTest(point, item, column);
4457 }
4458
4459 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4460                                     const wxDataViewColumn* column ) const
4461 {
4462     return m_clientArea->GetItemRect(item, column);
4463 }
4464
4465 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4466 {
4467     return m_clientArea->GetItemByRow( row );
4468 }
4469
4470 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4471 {
4472     return m_clientArea->GetRowByItem( item );
4473 }
4474
4475 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4476 {
4477     ExpandAncestors( item );
4478
4479     int row = m_clientArea->GetRowByItem( item );
4480     if (row != -1)
4481         m_clientArea->Expand(row);
4482 }
4483
4484 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4485 {
4486     int row = m_clientArea->GetRowByItem( item );
4487     if (row != -1)
4488         m_clientArea->Collapse(row);
4489 }
4490
4491 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4492 {
4493     int row = m_clientArea->GetRowByItem( item );
4494     if (row != -1)
4495         return m_clientArea->IsExpanded(row);
4496     return false;
4497 }
4498
4499 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4500 {
4501     wxDataViewColumn* col = GetColumn( column );
4502     if (!col)
4503         return;
4504
4505     wxRect itemRect = GetItemRect(item, col);
4506     wxDataViewRenderer* renderer = col->GetRenderer();
4507     renderer->StartEditing(item, itemRect);
4508 }
4509
4510 #endif // !wxUSE_GENERICDATAVIEWCTRL
4511
4512 #endif // wxUSE_DATAVIEWCTRL