src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/calctrl.h"
  42 #include "wx/popupwin.h"
  43 #include "wx/renderer.h"
  44 #include "wx/dcbuffer.h"
  45 #include "wx/icon.h"
  46 #include "wx/list.h"
  47 #include "wx/listimpl.cpp"
  48 #include "wx/imaglist.h"
  49 #include "wx/headerctrl.h"
  50 #include "wx/dnd.h"
  51
  52 //-----------------------------------------------------------------------------
  53 // classes
  54 //-----------------------------------------------------------------------------
  55
  56 class wxDataViewCtrl;
  57
  58 static const int SCROLL_UNIT_X = 15;
  59
  60 // the cell padding on the left/right
  61 static const int PADDING_RIGHTLEFT = 3;
  62
  63 // the expander space margin
  64 static const int EXPANDER_MARGIN = 4;
  65
  66 #ifdef __WXMSW__
  67 static const int EXPANDER_OFFSET = 4;
  68 #else
  69 static const int EXPANDER_OFFSET = 1;
  70 #endif
  71
  72 //Below is the compare stuff
  73 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
  74 static wxDataViewModel * g_model;
  75 static int g_column = -2;
  76 static bool g_asending = true;
  77
  78 //-----------------------------------------------------------------------------
  79 // wxDataViewHeaderWindow
  80 //-----------------------------------------------------------------------------
  81
  82 class wxDataViewHeaderWindow : public wxHeaderCtrl
  83 {
  84 public:
  85     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  86         : wxHeaderCtrl(parent)
  87     {
  88     }
  89
  90     wxDataViewCtrl *GetOwner() const
  91         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  92
  93 protected:
  94     // implement/override wxHeaderCtrl functions by forwarding them to the main
  95     // control
  96     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  97     {
  98         return *(GetOwner()->GetColumn(idx));
  99     }
 100
 101     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 102     {
 103         wxDataViewCtrl * const owner = GetOwner();
 104
 105         int widthContents = owner->GetBestColumnWidth(idx);
 106         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 107         owner->OnColumnChange(idx);
 108
 109         return true;
 110     }
 111
 112 private:
 113     bool SendEvent(wxEventType type, unsigned int n)
 114     {
 115         wxDataViewCtrl * const owner = GetOwner();
 116         wxDataViewEvent event(type, owner->GetId());
 117
 118         event.SetEventObject(owner);
 119         event.SetColumn(n);
 120         event.SetDataViewColumn(owner->GetColumn(n));
 121         event.SetModel(owner->GetModel());
 122
 123         // for events created by wxDataViewHeaderWindow the
 124         // row / value fields are not valid
 125         return owner->GetEventHandler()->ProcessEvent(event);
 126     }
 127
 128     void OnClick(wxHeaderCtrlEvent& event)
 129     {
 130         const unsigned idx = event.GetColumn();
 131
 132         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 133             return;
 134
 135         // default handling for the column click is to sort by this column or
 136         // toggle its sort order
 137         wxDataViewCtrl * const owner = GetOwner();
 138         wxDataViewColumn * const col = owner->GetColumn(idx);
 139         if ( !col->IsSortable() )
 140         {
 141             // no default handling for non-sortable columns
 142             event.Skip();
 143             return;
 144         }
 145
 146         if ( col->IsSortKey() )
 147         {
 148             // already using this column for sorting, just change the order
 149             col->ToggleSortOrder();
 150         }
 151         else // not using this column for sorting yet
 152         {
 153             // first unset the old sort column if any
 154             int oldSortKey = owner->GetSortingColumnIndex();
 155             if ( oldSortKey != wxNOT_FOUND )
 156             {
 157                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 158                 owner->OnColumnChange(oldSortKey);
 159             }
 160
 161             owner->SetSortingColumnIndex(idx);
 162             col->SetAsSortKey();
 163         }
 164
 165         wxDataViewModel * const model = owner->GetModel();
 166         if ( model )
 167             model->Resort();
 168
 169         owner->OnColumnChange(idx);
 170     }
 171
 172     void OnRClick(wxHeaderCtrlEvent& event)
 173     {
 174         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 175                         event.GetColumn()) )
 176             event.Skip();
 177     }
 178
 179     void OnEndResize(wxHeaderCtrlEvent& event)
 180     {
 181         wxDataViewCtrl * const owner = GetOwner();
 182
 183         const unsigned col = event.GetColumn();
 184         owner->GetColumn(col)->SetWidth(event.GetWidth());
 185         GetOwner()->OnColumnChange(col);
 186     }
 187
 188     void OnEndReorder(wxHeaderCtrlEvent& event)
 189     {
 190         wxDataViewCtrl * const owner = GetOwner();
 191         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 192                            event.GetNewOrder());
 193     }
 194
 195     DECLARE_EVENT_TABLE()
 196     DECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow)
 197 };
 198
 199 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 200     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 201     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 202
 203     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnEndResize)
 204
 205     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 206 END_EVENT_TABLE()
 207
 208 //-----------------------------------------------------------------------------
 209 // wxDataViewRenameTimer
 210 //-----------------------------------------------------------------------------
 211
 212 class wxDataViewRenameTimer: public wxTimer
 213 {
 214 private:
 215     wxDataViewMainWindow *m_owner;
 216
 217 public:
 218     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 219     void Notify();
 220 };
 221
 222 //-----------------------------------------------------------------------------
 223 // wxDataViewTreeNode
 224 //-----------------------------------------------------------------------------
 225 class wxDataViewTreeNode;
 226 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 227 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 228
 229 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
 230 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 231
 232 class wxDataViewTreeNode
 233 {
 234 public:
 235     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 236     {
 237         m_parent = parent;
 238         if (!parent)
 239             m_open = true;
 240         else
 241             m_open = false;
 242         m_hasChildren = false;
 243         m_subTreeCount  = 0;
 244     }
 245
 246     ~wxDataViewTreeNode()
 247     {
 248     }
 249
 250     wxDataViewTreeNode * GetParent() const { return m_parent; }
 251     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 252     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 253     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 254
 255     void AddNode( wxDataViewTreeNode * node )
 256     {
 257         m_leaves.Add( node->GetItem().GetID() );
 258         if (g_column >= -1)
 259             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 260         m_nodes.Add( node );
 261         if (g_column >= -1)
 262             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 263     }
 264     void AddLeaf( void * leaf )
 265     {
 266         m_leaves.Add( leaf );
 267         if (g_column >= -1)
 268             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 269     }
 270
 271     wxDataViewItem & GetItem() { return m_item; }
 272     const wxDataViewItem & GetItem() const { return m_item; }
 273     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 274
 275     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 276     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 277     int GetIndentLevel() const
 278     {
 279         int ret = 0;
 280         const wxDataViewTreeNode * node = this;
 281         while( node->GetParent()->GetParent() != NULL )
 282         {
 283             node = node->GetParent();
 284             ret ++;
 285         }
 286         return ret;
 287     }
 288
 289     bool IsOpen() const
 290     {
 291         return m_open;
 292     }
 293
 294     void ToggleOpen()
 295     {
 296         int len = m_nodes.GetCount();
 297         int sum = 0;
 298         for ( int i = 0;i < len; i ++)
 299             sum += m_nodes[i]->GetSubTreeCount();
 300
 301         sum += m_leaves.GetCount();
 302         if (m_open)
 303         {
 304             ChangeSubTreeCount(-sum);
 305             m_open = !m_open;
 306         }
 307         else
 308         {
 309             m_open = !m_open;
 310             ChangeSubTreeCount(sum);
 311         }
 312     }
 313     bool HasChildren() const { return m_hasChildren; }
 314     void SetHasChildren( bool has ){ m_hasChildren = has; }
 315
 316     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 317     int GetSubTreeCount() const { return m_subTreeCount; }
 318     void ChangeSubTreeCount( int num )
 319     {
 320         if( !m_open )
 321             return;
 322         m_subTreeCount += num;
 323         if( m_parent )
 324             m_parent->ChangeSubTreeCount(num);
 325     }
 326
 327     void Resort()
 328     {
 329         if (g_column >= -1)
 330         {
 331             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 332             int len = m_nodes.GetCount();
 333             for (int i = 0; i < len; i ++)
 334                 m_nodes[i]->Resort();
 335             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 336         }
 337     }
 338
 339 private:
 340     wxDataViewTreeNode  *m_parent;
 341     wxDataViewTreeNodes  m_nodes;
 342     wxDataViewTreeLeaves m_leaves;
 343     wxDataViewItem       m_item;
 344     bool                 m_open;
 345     bool                 m_hasChildren;
 346     int                  m_subTreeCount;
 347 };
 348
 349 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
 350 {
 351     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 352 }
 353
 354 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 355 {
 356     return g_model->Compare( *id1, *id2, g_column, g_asending );
 357 }
 358
 359
 360
 361 //-----------------------------------------------------------------------------
 362 // wxDataViewMainWindow
 363 //-----------------------------------------------------------------------------
 364
 365 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 366                                             WXDLLIMPEXP_ADV);
 367 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 368 WX_DEFINE_LIST(ItemList)
 369
 370 class wxDataViewMainWindow: public wxWindow
 371 {
 372 public:
 373     wxDataViewMainWindow( wxDataViewCtrl *parent,
 374                             wxWindowID id,
 375                             const wxPoint &pos = wxDefaultPosition,
 376                             const wxSize &size = wxDefaultSize,
 377                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 378     virtual ~wxDataViewMainWindow();
 379
 380     bool IsVirtualList() const { return m_root == NULL; }
 381
 382     // notifications from wxDataViewModel
 383     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 384     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 385     bool ItemChanged( const wxDataViewItem &item );
 386     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 387     bool Cleared();
 388     void Resort()
 389     {
 390         if (!IsVirtualList())
 391         {
 392             SortPrepare();
 393             m_root->Resort();
 394         }
 395         UpdateDisplay();
 396     }
 397
 398     void SortPrepare()
 399     {
 400         g_model = GetOwner()->GetModel();
 401         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 402         if( !col )
 403         {
 404             if (g_model->HasDefaultCompare())
 405                 g_column = -1;
 406             else
 407                 g_column = -2;
 408
 409             g_asending = true;
 410             return;
 411         }
 412         g_column = col->GetModelColumn();
 413         g_asending = col->IsSortOrderAscending();
 414     }
 415
 416     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 417     wxDataViewCtrl *GetOwner() { return m_owner; }
 418     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 419
 420     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 421     void OnPaint( wxPaintEvent &event );
 422     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 423     void OnChar( wxKeyEvent &event );
 424     void OnMouse( wxMouseEvent &event );
 425     void OnSetFocus( wxFocusEvent &event );
 426     void OnKillFocus( wxFocusEvent &event );
 427
 428     void UpdateDisplay();
 429     void RecalculateDisplay();
 430     void OnInternalIdle();
 431
 432     void OnRenameTimer();
 433
 434     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 435     void ScrollTo( int rows, int column );
 436
 437     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 438     void ChangeCurrentRow( unsigned int row );
 439
 440     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 441     bool IsEmpty() { return GetRowCount() == 0; }
 442
 443     int GetCountPerPage() const;
 444     int GetEndOfLastCol() const;
 445     unsigned int GetFirstVisibleRow() const;
 446     //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
 447     unsigned int GetLastVisibleRow();
 448     unsigned int GetRowCount();
 449
 450     wxDataViewItem GetSelection() const;
 451     wxDataViewSelection GetSelections(){ return m_selection; }
 452     void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
 453     void Select( const wxArrayInt& aSelections );
 454     void SelectAllRows( bool on );
 455     void SelectRow( unsigned int row, bool on );
 456     void SelectRows( unsigned int from, unsigned int to, bool on );
 457     void ReverseRowSelection( unsigned int row );
 458     bool IsRowSelected( unsigned int row );
 459     void SendSelectionChangedEvent( const wxDataViewItem& item);
 460
 461     void RefreshRow( unsigned int row );
 462     void RefreshRows( unsigned int from, unsigned int to );
 463     void RefreshRowsAfter( unsigned int firstRow );
 464
 465     // returns the colour to be used for drawing the rules
 466     wxColour GetRuleColour() const
 467     {
 468         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 469     }
 470
 471     wxRect GetLineRect( unsigned int row ) const;
 472
 473     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 474     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 475     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 476
 477     //Some useful functions for row and item mapping
 478     wxDataViewItem GetItemByRow( unsigned int row ) const;
 479     int GetRowByItem( const wxDataViewItem & item ) const;
 480
 481     //Methods for building the mapping tree
 482     void BuildTree( wxDataViewModel  * model );
 483     void DestroyTree();
 484     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 485     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 486
 487     void Expand( unsigned int row ) { OnExpanding( row ); }
 488     void Collapse( unsigned int row ) { OnCollapsing( row ); }
 489     bool IsExpanded( unsigned int row ) const;
 490
 491     bool EnableDragSource( const wxDataFormat &format );
 492     bool EnableDropTarget( const wxDataFormat &format );
 493
 494     void RemoveDropHint();
 495     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 496     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 497     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 498     void OnLeave();
 499
 500 private:
 501     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 502     //We did not need this temporarily
 503     //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 504
 505     int RecalculateCount();
 506
 507     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 508     void OnExpanding( unsigned int row );
 509     void OnCollapsing( unsigned int row );
 510
 511     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 512
 513 private:
 514     wxDataViewCtrl             *m_owner;
 515     int                         m_lineHeight;
 516     bool                        m_dirty;
 517
 518     wxDataViewColumn           *m_currentCol;
 519     unsigned int                m_currentRow;
 520     wxDataViewSelection         m_selection;
 521
 522     wxDataViewRenameTimer      *m_renameTimer;
 523     bool                        m_lastOnSame;
 524
 525     bool                        m_hasFocus;
 526
 527     int                         m_dragCount;
 528     wxPoint                     m_dragStart;
 529
 530     bool                        m_dragEnabled;
 531     wxDataFormat                m_dragFormat;
 532
 533     bool                        m_dropEnabled;
 534     wxDataFormat                m_dropFormat;
 535     bool                        m_dropHint;
 536     unsigned int                m_dropHintLine;
 537
 538     // for double click logic
 539     unsigned int m_lineLastClicked,
 540            m_lineBeforeLastClicked,
 541            m_lineSelectSingleOnUp;
 542
 543     // the pen used to draw horiz/vertical rules
 544     wxPen m_penRule;
 545
 546     // the pen used to draw the expander and the lines
 547     wxPen m_penExpander;
 548
 549     //This is the tree structure of the model
 550     wxDataViewTreeNode * m_root;
 551     int m_count;
 552     //This is the tree node under the cursor
 553     wxDataViewTreeNode * m_underMouse;
 554 private:
 555     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 556     DECLARE_EVENT_TABLE()
 557 };
 558
 559 // ---------------------------------------------------------
 560 // wxGenericDataViewModelNotifier
 561 // ---------------------------------------------------------
 562
 563 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 564 {
 565 public:
 566     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 567         { m_mainWindow = mainWindow; }
 568
 569     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 570         { return m_mainWindow->ItemAdded( parent , item ); }
 571     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 572         { return m_mainWindow->ItemDeleted( parent, item ); }
 573     virtual bool ItemChanged( const wxDataViewItem & item )
 574         { return m_mainWindow->ItemChanged(item);  }
 575     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 576         { return m_mainWindow->ValueChanged( item, col ); }
 577     virtual bool Cleared()
 578         { return m_mainWindow->Cleared(); }
 579     virtual void Resort()
 580          { m_mainWindow->Resort(); }
 581
 582     wxDataViewMainWindow    *m_mainWindow;
 583 };
 584
 585 // ---------------------------------------------------------
 586 // wxDataViewRenderer
 587 // ---------------------------------------------------------
 588
 589 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 590
 591 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 592                                         wxDataViewCellMode mode,
 593                                         int align) :
 594     wxDataViewRendererBase( varianttype, mode, align )
 595 {
 596     m_dc = NULL;
 597     m_align = align;
 598     m_mode = mode;
 599     m_wantsAttr = false;
 600     m_hasAttr = false;
 601 }
 602
 603 wxDataViewRenderer::~wxDataViewRenderer()
 604 {
 605     if (m_dc)
 606         delete m_dc;
 607 }
 608
 609 wxDC *wxDataViewRenderer::GetDC()
 610 {
 611     if (m_dc == NULL)
 612     {
 613         if (GetOwner() == NULL)
 614             return NULL;
 615         if (GetOwner()->GetOwner() == NULL)
 616             return NULL;
 617         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 618     }
 619
 620     return m_dc;
 621 }
 622
 623 void wxDataViewRenderer::SetAlignment( int align )
 624 {
 625     m_align=align;
 626 }
 627
 628 int wxDataViewRenderer::GetAlignment() const
 629 {
 630     return m_align;
 631 }
 632
 633 int wxDataViewRenderer::CalculateAlignment() const
 634 {
 635     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 636     {
 637         if (GetOwner() == NULL)
 638            return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 639
 640         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 641     }
 642
 643     return m_align;
 644 }
 645
 646 // ---------------------------------------------------------
 647 // wxDataViewCustomRenderer
 648 // ---------------------------------------------------------
 649
 650 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 651
 652 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 653                           wxDataViewCellMode mode, int align ) :
 654     wxDataViewRenderer( varianttype, mode, align )
 655 {
 656 }
 657
 658 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
 659 {
 660     wxDataViewCtrl *view = GetOwner()->GetOwner();
 661     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 662                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 663                         view->GetForegroundColour();
 664     dc->SetTextForeground(col);
 665     dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 666 }
 667
 668 // ---------------------------------------------------------
 669 // wxDataViewTextRenderer
 670 // ---------------------------------------------------------
 671
 672 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 673
 674 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 675                                                 wxDataViewCellMode mode, int align ) :
 676     wxDataViewCustomRenderer( varianttype, mode, align )
 677 {
 678 }
 679
 680 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 681 {
 682     m_text = value.GetString();
 683
 684     return true;
 685 }
 686
 687 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 688 {
 689     return false;
 690 }
 691
 692 bool wxDataViewTextRenderer::HasEditorCtrl()
 693 {
 694     return true;
 695 }
 696
 697 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 698         wxRect labelRect, const wxVariant &value )
 699 {
 700     return new wxTextCtrl( parent, wxID_ANY, value,
 701                            wxPoint(labelRect.x,labelRect.y),
 702                            wxSize(labelRect.width,labelRect.height) );
 703 }
 704
 705 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 706 {
 707     wxTextCtrl *text = (wxTextCtrl*) editor;
 708     value = text->GetValue();
 709     return true;
 710 }
 711
 712 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 713 {
 714     RenderText( m_text, 0, cell, dc, state );
 715     return true;
 716 }
 717
 718 wxSize wxDataViewTextRenderer::GetSize() const
 719 {
 720     const wxDataViewCtrl *view = GetView();
 721     if (!m_text.empty())
 722     {
 723         int x,y;
 724         view->GetTextExtent( m_text, &x, &y );
 725         return wxSize( x, y );
 726     }
 727     return wxSize(80,20);
 728 }
 729
 730 // ---------------------------------------------------------
 731 // wxDataViewTextRendererAttr
 732 // ---------------------------------------------------------
 733
 734 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 735
 736 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 737                             wxDataViewCellMode mode, int align ) :
 738     wxDataViewTextRenderer( varianttype, mode, align )
 739 {
 740     m_wantsAttr = true;
 741 }
 742
 743 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 744 {
 745     wxFont font;
 746     wxColour colour;
 747
 748     if (m_hasAttr)
 749     {
 750         if (m_attr.HasColour())
 751         {
 752             colour = dc->GetTextForeground();
 753             dc->SetTextForeground( m_attr.GetColour() );
 754         }
 755
 756         if (m_attr.GetBold() || m_attr.GetItalic())
 757         {
 758              font = dc->GetFont();
 759              wxFont myfont = font;
 760              if (m_attr.GetBold())
 761                  myfont.SetWeight( wxFONTWEIGHT_BOLD );
 762              if (m_attr.GetItalic())
 763                  myfont.SetStyle( wxFONTSTYLE_ITALIC );
 764              dc->SetFont( myfont );
 765         }
 766     }
 767
 768     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 769
 770     // restore dc
 771     if (m_hasAttr)
 772     {
 773         if (m_attr.HasColour())
 774             dc->SetTextForeground( colour );
 775
 776         if (m_attr.GetBold() || m_attr.GetItalic())
 777             dc->SetFont( font );
 778     }
 779
 780     return true;
 781 }
 782
 783
 784 // ---------------------------------------------------------
 785 // wxDataViewBitmapRenderer
 786 // ---------------------------------------------------------
 787
 788 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 789
 790 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 791                                                     wxDataViewCellMode mode, int align ) :
 792     wxDataViewCustomRenderer( varianttype, mode, align )
 793 {
 794 }
 795
 796 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 797 {
 798     if (value.GetType() == wxT("wxBitmap"))
 799         m_bitmap << value;
 800     if (value.GetType() == wxT("wxIcon"))
 801         m_icon << value;
 802
 803     return true;
 804 }
 805
 806 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 807 {
 808     return false;
 809 }
 810
 811 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 812 {
 813     if (m_bitmap.Ok())
 814         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 815     else if (m_icon.Ok())
 816         dc->DrawIcon( m_icon, cell.x, cell.y );
 817
 818     return true;
 819 }
 820
 821 wxSize wxDataViewBitmapRenderer::GetSize() const
 822 {
 823     if (m_bitmap.Ok())
 824         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 825     else if (m_icon.Ok())
 826         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 827
 828     return wxSize(16,16);
 829 }
 830
 831 // ---------------------------------------------------------
 832 // wxDataViewToggleRenderer
 833 // ---------------------------------------------------------
 834
 835 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 836
 837 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 838                         wxDataViewCellMode mode, int align ) :
 839     wxDataViewCustomRenderer( varianttype, mode, align )
 840 {
 841     m_toggle = false;
 842 }
 843
 844 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 845 {
 846     m_toggle = value.GetBool();
 847
 848     return true;
 849 }
 850
 851 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 852 {
 853     return false;
 854 }
 855
 856 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 857 {
 858     // User wxRenderer here
 859
 860     wxRect rect;
 861     rect.x = cell.x + cell.width/2 - 10;
 862     rect.width = 20;
 863     rect.y = cell.y + cell.height/2 - 10;
 864     rect.height = 20;
 865
 866     int flags = 0;
 867     if (m_toggle)
 868         flags |= wxCONTROL_CHECKED;
 869     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 870         flags |= wxCONTROL_DISABLED;
 871
 872     wxRendererNative::Get().DrawCheckBox(
 873             GetOwner()->GetOwner(),
 874             *dc,
 875             rect,
 876             flags );
 877
 878     return true;
 879 }
 880
 881 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 882                                          wxDataViewModel *model,
 883                                          const wxDataViewItem & item, unsigned int col)
 884 {
 885     bool value = !m_toggle;
 886     wxVariant variant = value;
 887     model->SetValue( variant, item, col);
 888     model->ValueChanged( item, col );
 889     return true;
 890 }
 891
 892 wxSize wxDataViewToggleRenderer::GetSize() const
 893 {
 894     return wxSize(20,20);
 895 }
 896
 897 // ---------------------------------------------------------
 898 // wxDataViewProgressRenderer
 899 // ---------------------------------------------------------
 900
 901 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 902
 903 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 904     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 905     wxDataViewCustomRenderer( varianttype, mode, align )
 906 {
 907     m_label = label;
 908     m_value = 0;
 909 }
 910
 911 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 912 {
 913 }
 914
 915 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 916 {
 917     m_value = (long) value;
 918
 919     if (m_value < 0) m_value = 0;
 920     if (m_value > 100) m_value = 100;
 921
 922     return true;
 923 }
 924
 925 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 926 {
 927     value = (long) m_value;
 928     return true;
 929 }
 930
 931 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 932 {
 933     double pct = (double)m_value / 100.0;
 934     wxRect bar = cell;
 935     bar.width = (int)(cell.width * pct);
 936     dc->SetPen( *wxTRANSPARENT_PEN );
 937     dc->SetBrush( *wxBLUE_BRUSH );
 938     dc->DrawRectangle( bar );
 939
 940     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 941     dc->SetPen( *wxBLACK_PEN );
 942     dc->DrawRectangle( cell );
 943
 944     return true;
 945 }
 946
 947 wxSize wxDataViewProgressRenderer::GetSize() const
 948 {
 949     return wxSize(40,12);
 950 }
 951
 952 // ---------------------------------------------------------
 953 // wxDataViewDateRenderer
 954 // ---------------------------------------------------------
 955
 956 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 957
 958 #if wxUSE_DATE_RENDERER_POPUP
 959
 960 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 961 {
 962 public:
 963     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 964         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 965         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 966         m_item( item )
 967     {
 968         m_model = model;
 969         m_col = col;
 970         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 971         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 972         sizer->Add( m_cal, 1, wxGROW );
 973         SetSizer( sizer );
 974         sizer->Fit( this );
 975     }
 976
 977     void OnCalendar( wxCalendarEvent &event );
 978
 979     wxCalendarCtrl      *m_cal;
 980     wxDataViewModel *m_model;
 981     unsigned int               m_col;
 982     const wxDataViewItem &   m_item;
 983
 984 protected:
 985     virtual void OnDismiss()
 986     {
 987     }
 988
 989 private:
 990     DECLARE_EVENT_TABLE()
 991 };
 992
 993 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 994     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 995 END_EVENT_TABLE()
 996
 997 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 998 {
 999     wxDateTime date = event.GetDate();
1000     wxVariant value = date;
1001     m_model->SetValue( value, m_item, m_col );
1002     m_model->ValueChanged( m_item, m_col );
1003     DismissAndNotify();
1004 }
1005
1006 #endif // wxUSE_DATE_RENDERER_POPUP
1007
1008 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1009
1010 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1011                         wxDataViewCellMode mode, int align ) :
1012     wxDataViewCustomRenderer( varianttype, mode, align )
1013 {
1014 }
1015
1016 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1017 {
1018     m_date = value.GetDateTime();
1019
1020     return true;
1021 }
1022
1023 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1024 {
1025     value = m_date;
1026     return true;
1027 }
1028
1029 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1030 {
1031     wxString tmp = m_date.FormatDate();
1032     RenderText( tmp, 0, cell, dc, state );
1033     return true;
1034 }
1035
1036 wxSize wxDataViewDateRenderer::GetSize() const
1037 {
1038     const wxDataViewCtrl* view = GetView();
1039     wxString tmp = m_date.FormatDate();
1040     wxCoord x,y,d;
1041     view->GetTextExtent( tmp, &x, &y, &d );
1042     return wxSize(x,y+d);
1043 }
1044
1045 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1046                                        const wxDataViewItem & item, unsigned int col )
1047 {
1048     wxVariant variant;
1049     model->GetValue( variant, item, col );
1050     wxDateTime value = variant.GetDateTime();
1051
1052 #if wxUSE_DATE_RENDERER_POPUP
1053     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1054         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1055     wxPoint pos = wxGetMousePosition();
1056     popup->Move( pos );
1057     popup->Layout();
1058     popup->Popup( popup->m_cal );
1059 #else // !wxUSE_DATE_RENDERER_POPUP
1060     wxMessageBox(value.Format());
1061 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1062     return true;
1063 }
1064
1065 // ---------------------------------------------------------
1066 // wxDataViewIconTextRenderer
1067 // ---------------------------------------------------------
1068
1069 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1070
1071 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1072   const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1073     wxDataViewCustomRenderer( varianttype, mode, align )
1074 {
1075     SetMode(mode);
1076     SetAlignment(align);
1077 }
1078
1079 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1080 {
1081 }
1082
1083 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1084 {
1085     m_value << value;
1086     return true;
1087 }
1088
1089 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1090 {
1091     return false;
1092 }
1093
1094 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1095 {
1096     int xoffset = 0;
1097     const wxIcon &icon = m_value.GetIcon();
1098     if (icon.IsOk())
1099     {
1100         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1101         xoffset =  icon.GetWidth()+4;
1102     }
1103
1104     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1105
1106     return true;
1107 }
1108
1109 wxSize wxDataViewIconTextRenderer::GetSize() const
1110 {
1111     const wxDataViewCtrl *view = GetView();
1112     if (!m_value.GetText().empty())
1113     {
1114         int x,y;
1115         view->GetTextExtent( m_value.GetText(), &x, &y );
1116
1117         if (m_value.GetIcon().IsOk())
1118             x += m_value.GetIcon().GetWidth() + 4;
1119         return wxSize( x, y );
1120     }
1121     return wxSize(80,20);
1122 }
1123
1124 wxControl *
1125 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1126                                              wxRect WXUNUSED(labelRect),
1127                                              const wxVariant& WXUNUSED(value))
1128 {
1129     return NULL;
1130 }
1131
1132 bool
1133 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1134                                                    wxVariant& WXUNUSED(value))
1135 {
1136     return false;
1137 }
1138
1139 //-----------------------------------------------------------------------------
1140 // wxDataViewDropTarget
1141 //-----------------------------------------------------------------------------
1142
1143 class wxBitmapCanvas: public wxWindow
1144 {
1145 public:
1146     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1147        wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1148     {
1149         m_bitmap = bitmap;
1150         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1151     }
1152
1153     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1154     {
1155         wxPaintDC dc(this);
1156         dc.DrawBitmap( m_bitmap, 0, 0);
1157     }
1158
1159     wxBitmap m_bitmap;
1160 };
1161
1162 class wxDataViewDropSource: public wxDropSource
1163 {
1164 public:
1165     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1166          wxDropSource( win )
1167     {
1168         m_win = win;
1169         m_row = row;
1170         m_hint = NULL;
1171     }
1172
1173     ~wxDataViewDropSource()
1174     {
1175         delete m_hint;
1176     }
1177
1178     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1179     {
1180         wxPoint pos = wxGetMousePosition();
1181
1182         if (!m_hint)
1183         {
1184             int liney = m_win->GetLineStart( m_row );
1185             int linex = 0;
1186             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1187             m_win->ClientToScreen( &linex, &liney );
1188             m_dist_x = pos.x - linex;
1189             m_dist_y = pos.y - liney;
1190
1191             int indent = 0;
1192             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1193             m_dist_x -= indent;
1194             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1195                                          wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1196                                          ib.GetSize(),
1197                                          wxFRAME_TOOL_WINDOW |
1198                                          wxFRAME_FLOAT_ON_PARENT |
1199                                          wxFRAME_NO_TASKBAR |
1200                                          wxNO_BORDER );
1201             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1202             m_hint->Show();
1203         }
1204         else
1205         {
1206             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1207             m_hint->SetTransparent( 128 );
1208         }
1209
1210         return false;
1211     }
1212
1213     wxDataViewMainWindow   *m_win;
1214     unsigned int            m_row;
1215     wxFrame                *m_hint;
1216     int m_dist_x,m_dist_y;
1217 };
1218
1219
1220 class wxDataViewDropTarget: public wxDropTarget
1221 {
1222 public:
1223     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1224         wxDropTarget( obj )
1225     {
1226         m_win = win;
1227     }
1228
1229     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1230         {
1231            wxDataFormat format = GetMatchingPair();
1232            if (format == wxDF_INVALID)
1233               return wxDragNone;
1234            return m_win->OnDragOver( format, x, y, def);
1235         }
1236
1237     virtual bool OnDrop( wxCoord x, wxCoord y )
1238         {
1239            wxDataFormat format = GetMatchingPair();
1240            if (format == wxDF_INVALID)
1241               return false;
1242            return m_win->OnDrop( format, x, y );
1243         }
1244
1245     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1246         {
1247            wxDataFormat format = GetMatchingPair();
1248            if (format == wxDF_INVALID)
1249               return wxDragNone;
1250            if (!GetData())
1251               return wxDragNone;
1252            return m_win->OnData( format, x, y, def );
1253         }
1254
1255     virtual void OnLeave()
1256         { m_win->OnLeave(); }
1257
1258     wxDataViewMainWindow   *m_win;
1259 };
1260
1261 //-----------------------------------------------------------------------------
1262 // wxDataViewRenameTimer
1263 //-----------------------------------------------------------------------------
1264
1265 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1266 {
1267     m_owner = owner;
1268 }
1269
1270 void wxDataViewRenameTimer::Notify()
1271 {
1272     m_owner->OnRenameTimer();
1273 }
1274
1275 //-----------------------------------------------------------------------------
1276 // wxDataViewMainWindow
1277 //-----------------------------------------------------------------------------
1278
1279 //The tree building helper, declared firstly
1280 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
1281
1282 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1283 {
1284     if (row1 > row2) return 1;
1285     if (row1 == row2) return 0;
1286     return -1;
1287 }
1288
1289
1290 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1291
1292 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1293     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1294     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1295     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1296     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1297     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1298 END_EVENT_TABLE()
1299
1300 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1301     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1302     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1303     m_selection( wxDataViewSelectionCmp )
1304
1305 {
1306     SetOwner( parent );
1307
1308     m_lastOnSame = false;
1309     m_renameTimer = new wxDataViewRenameTimer( this );
1310
1311     // TODO: user better initial values/nothing selected
1312     m_currentCol = NULL;
1313     m_currentRow = 0;
1314
1315     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1316
1317     m_dragCount = 0;
1318     m_dragStart = wxPoint(0,0);
1319     m_lineLastClicked = (unsigned int) -1;
1320     m_lineBeforeLastClicked = (unsigned int) -1;
1321     m_lineSelectSingleOnUp = (unsigned int) -1;
1322
1323     m_dragEnabled = false;
1324     m_dropEnabled = false;
1325     m_dropHint = false;
1326     m_dropHintLine = (unsigned int) -1;
1327
1328     m_hasFocus = false;
1329
1330     SetBackgroundColour( *wxWHITE );
1331
1332     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1333
1334     m_penRule = wxPen(GetRuleColour());
1335
1336     //Here I compose a pen can draw black lines, maybe there are something system colour to use
1337     m_penExpander = wxPen(wxColour(0,0,0));
1338     //Some new added code to deal with the tree structure
1339     m_root = new wxDataViewTreeNode( NULL );
1340     m_root->SetHasChildren(true);
1341
1342     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1343     m_count = -1;
1344     m_underMouse = NULL;
1345     UpdateDisplay();
1346 }
1347
1348 wxDataViewMainWindow::~wxDataViewMainWindow()
1349 {
1350     DestroyTree();
1351     delete m_renameTimer;
1352 }
1353
1354 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1355 {
1356     m_dragFormat = format;
1357     m_dragEnabled = format != wxDF_INVALID;
1358
1359     return true;
1360 }
1361
1362 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1363 {
1364     m_dropFormat = format;
1365     m_dropEnabled = format != wxDF_INVALID;
1366
1367     if (m_dropEnabled)
1368         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1369
1370     return true;
1371 }
1372
1373 void wxDataViewMainWindow::RemoveDropHint()
1374 {
1375     if (m_dropHint)
1376     {
1377             m_dropHint = false;
1378             RefreshRow( m_dropHintLine );
1379             m_dropHintLine = (unsigned int) -1;
1380     }
1381 }
1382
1383 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
1384 {
1385     int xx = x;
1386     int yy = y;
1387     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1388     unsigned int row = GetLineAt( yy );
1389
1390     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1391     {
1392         RemoveDropHint();
1393         return wxDragNone;
1394     }
1395
1396     wxDataViewItem item = GetItemByRow( row );
1397
1398     wxDataViewModel *model = GetOwner()->GetModel();
1399
1400     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1401     event.SetEventObject( m_owner );
1402     event.SetItem( item );
1403     event.SetModel( model );
1404     event.SetDataFormat( format );
1405     if (!m_owner->HandleWindowEvent( event ))
1406     {
1407         RemoveDropHint();
1408         return wxDragNone;
1409     }
1410
1411     if (!event.IsAllowed())
1412     {
1413         RemoveDropHint();
1414         return wxDragNone;
1415     }
1416
1417
1418     if (m_dropHint && (row != m_dropHintLine))
1419         RefreshRow( m_dropHintLine );
1420     m_dropHint = true;
1421     m_dropHintLine = row;
1422     RefreshRow( row );
1423
1424     return def;
1425 }
1426
1427 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1428 {
1429     RemoveDropHint();
1430
1431     int xx = x;
1432     int yy = y;
1433     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1434     unsigned int row = GetLineAt( yy );
1435
1436     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1437         return false;
1438
1439     wxDataViewItem item = GetItemByRow( row );
1440
1441     wxDataViewModel *model = GetOwner()->GetModel();
1442
1443     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1444     event.SetEventObject( m_owner );
1445     event.SetItem( item );
1446     event.SetModel( model );
1447     event.SetDataFormat( format );
1448     if (!m_owner->HandleWindowEvent( event ))
1449         return false;
1450
1451     if (!event.IsAllowed())
1452         return false;
1453
1454     return true;
1455 }
1456
1457 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
1458 {
1459     int xx = x;
1460     int yy = y;
1461     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1462     unsigned int row = GetLineAt( yy );
1463
1464     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1465         return wxDragNone;
1466
1467     wxDataViewItem item = GetItemByRow( row );
1468
1469     wxDataViewModel *model = GetOwner()->GetModel();
1470
1471     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1472
1473     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1474     event.SetEventObject( m_owner );
1475     event.SetItem( item );
1476     event.SetModel( model );
1477     event.SetDataFormat( format );
1478     event.SetDataSize( obj->GetSize() );
1479     event.SetDataBuffer( obj->GetData() );
1480     if (!m_owner->HandleWindowEvent( event ))
1481         return wxDragNone;
1482
1483     if (!event.IsAllowed())
1484         return wxDragNone;
1485
1486     return def;
1487 }
1488
1489 void wxDataViewMainWindow::OnLeave()
1490 {
1491     RemoveDropHint();
1492 }
1493
1494 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1495 {
1496     int height = GetLineHeight( row );
1497     int width = 0;
1498     unsigned int cols = GetOwner()->GetColumnCount();
1499     unsigned int col;
1500     for (col = 0; col < cols; col++)
1501     {
1502         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1503         if (column->IsHidden())
1504             continue;      // skip it!
1505         width += column->GetWidth();
1506     }
1507
1508     indent = 0;
1509     if (!IsVirtualList())
1510     {
1511         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1512         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1513         indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
1514     }
1515     width -= indent;
1516
1517     wxBitmap bitmap( width, height );
1518     wxMemoryDC dc( bitmap );
1519     dc.SetFont( GetFont() );
1520     dc.SetPen( *wxBLACK_PEN );
1521     dc.SetBrush( *wxWHITE_BRUSH );
1522     dc.DrawRectangle( 0,0,width,height );
1523
1524     wxDataViewModel *model = m_owner->GetModel();
1525
1526     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1527     if (!expander)
1528     {
1529         // TODO-RTL: last column for RTL support
1530         expander = GetOwner()->GetColumnAt( 0 );
1531         GetOwner()->SetExpanderColumn(expander);
1532     }
1533
1534
1535     int x = 0;
1536     for (col = 0; col < cols; col++)
1537     {
1538         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1539         wxDataViewRenderer *cell = column->GetRenderer();
1540
1541         if (column->IsHidden())
1542             continue;       // skip it!
1543
1544         width = column->GetWidth();
1545
1546         if (column == expander)
1547             width -= indent;
1548
1549         wxVariant value;
1550         wxDataViewItem item = GetItemByRow( row );
1551         model->GetValue( value, item, column->GetModelColumn());
1552         cell->SetValue( value );
1553
1554         if (cell->GetWantsAttr())
1555         {
1556                 wxDataViewItemAttr attr;
1557                 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1558                 if (ret)
1559                     cell->SetAttr( attr );
1560                 cell->SetHasAttr( ret );
1561         }
1562
1563         wxSize size = cell->GetSize();
1564         size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1565         size.y = height;
1566         wxRect item_rect(x, 0, size.x, size.y);
1567
1568         int align = cell->CalculateAlignment();
1569         // horizontal alignment:
1570         item_rect.x = x;
1571         if (align & wxALIGN_CENTER_HORIZONTAL)
1572             item_rect.x = x + (width / 2) - (size.x / 2);
1573         else if (align & wxALIGN_RIGHT)
1574             item_rect.x = x + width - size.x;
1575         //else: wxALIGN_LEFT is the default
1576
1577         // vertical alignment:
1578         item_rect.y = 0;
1579         if (align & wxALIGN_CENTER_VERTICAL)
1580             item_rect.y = (height / 2) - (size.y / 2);
1581         else if (align & wxALIGN_BOTTOM)
1582             item_rect.y = height - size.y;
1583         //else: wxALIGN_TOP is the default
1584
1585         // add padding
1586         item_rect.x += PADDING_RIGHTLEFT;
1587         item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1588
1589         //dc.SetClippingRegion( item_rect );
1590         cell->Render( item_rect, &dc, 0 );
1591         //dc.DestroyClippingRegion();
1592
1593         x += width;
1594     }
1595
1596     return bitmap;
1597 }
1598
1599 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1600 {
1601     wxDataViewModel *model = GetOwner()->GetModel();
1602     wxAutoBufferedPaintDC dc( this );
1603
1604 #ifdef __WXMSW__
1605     dc.SetPen( *wxTRANSPARENT_PEN );
1606     dc.SetBrush( wxBrush( GetBackgroundColour()) );
1607     dc.SetBrush( *wxWHITE_BRUSH );
1608     wxSize size( GetClientSize() );
1609     dc.DrawRectangle( 0,0,size.x,size.y );
1610 #endif
1611
1612     // prepare the DC
1613     GetOwner()->PrepareDC( dc );
1614     dc.SetFont( GetFont() );
1615
1616     wxRect update = GetUpdateRegion().GetBox();
1617     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1618
1619     // compute which items needs to be redrawn
1620     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1621     unsigned int item_count =
1622         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1623                (int)(GetRowCount( ) - item_start));
1624     unsigned int item_last = item_start + item_count;
1625
1626     // compute which columns needs to be redrawn
1627     unsigned int cols = GetOwner()->GetColumnCount();
1628     unsigned int col_start = 0;
1629     unsigned int x_start;
1630     for (x_start = 0; col_start < cols; col_start++)
1631     {
1632         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1633         if (col->IsHidden())
1634             continue;      // skip it!
1635
1636         unsigned int w = col->GetWidth();
1637         if (x_start+w >= (unsigned int)update.x)
1638             break;
1639
1640         x_start += w;
1641     }
1642
1643     unsigned int col_last = col_start;
1644     unsigned int x_last = x_start;
1645     for (; col_last < cols; col_last++)
1646     {
1647         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1648         if (col->IsHidden())
1649             continue;      // skip it!
1650
1651         if (x_last > (unsigned int)update.GetRight())
1652             break;
1653
1654         x_last += col->GetWidth();
1655     }
1656
1657     // Draw horizontal rules if required
1658     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1659     {
1660         dc.SetPen(m_penRule);
1661         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1662
1663         for (unsigned int i = item_start; i <= item_last+1; i++)
1664         {
1665             int y = GetLineStart( i );
1666             dc.DrawLine(x_start, y, x_last, y);
1667         }
1668     }
1669
1670     // Draw vertical rules if required
1671     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1672     {
1673         dc.SetPen(m_penRule);
1674         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1675
1676         int x = x_start;
1677         for (unsigned int i = col_start; i < col_last; i++)
1678         {
1679             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1680             if (col->IsHidden())
1681                 continue;       // skip it
1682
1683             dc.DrawLine(x, GetLineStart( item_start ),
1684                         x, GetLineStart( item_last ) );
1685
1686             x += col->GetWidth();
1687         }
1688
1689         // Draw last vertical rule
1690         dc.DrawLine(x, GetLineStart( item_start ),
1691                     x, GetLineStart( item_last ) );
1692     }
1693
1694     // redraw the background for the items which are selected/current
1695     for (unsigned int item = item_start; item < item_last; item++)
1696     {
1697         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1698         if (selected || item == m_currentRow)
1699         {
1700             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1701             if (item == m_currentRow)
1702                 flags |= wxCONTROL_CURRENT;
1703             if (m_hasFocus)
1704                 flags |= wxCONTROL_FOCUSED;
1705
1706             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1707             wxRendererNative::Get().DrawItemSelectionRect
1708                                 (
1709                                     this,
1710                                     dc,
1711                                     rect,
1712                                     flags
1713                                 );
1714         }
1715     }
1716
1717     if (m_dropHint)
1718     {
1719         wxRect rect( x_start, GetLineStart( m_dropHintLine ), x_last, GetLineHeight( m_dropHintLine ) );
1720         dc.SetPen( *wxBLACK_PEN );
1721         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1722         dc.DrawRectangle( rect );
1723     }
1724
1725     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1726     if (!expander)
1727     {
1728         // TODO-RTL: last column for RTL support
1729         expander = GetOwner()->GetColumnAt( 0 );
1730         GetOwner()->SetExpanderColumn(expander);
1731     }
1732
1733     // redraw all cells for all rows which must be repainted and all columns
1734     wxRect cell_rect;
1735     cell_rect.x = x_start;
1736     for (unsigned int i = col_start; i < col_last; i++)
1737     {
1738
1739         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1740         wxDataViewRenderer *cell = col->GetRenderer();
1741         cell_rect.width = col->GetWidth();
1742
1743         if (col->IsHidden())
1744             continue;       // skip it!
1745
1746         for (unsigned int item = item_start; item < item_last; item++)
1747         {
1748             // get the cell value and set it into the renderer
1749             wxVariant value;
1750             wxDataViewTreeNode *node = NULL;
1751             wxDataViewItem dataitem;
1752
1753             if (!IsVirtualList())
1754             {
1755                 node = GetTreeNodeByRow(item);
1756                 if( node == NULL )
1757                     continue;
1758
1759                 dataitem = node->GetItem();
1760
1761                 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
1762                     continue;
1763             }
1764             else
1765             {
1766                 dataitem = wxDataViewItem( wxUIntToPtr(item) );
1767             }
1768
1769             model->GetValue( value, dataitem, col->GetModelColumn());
1770             cell->SetValue( value );
1771
1772             if (cell->GetWantsAttr())
1773             {
1774                 wxDataViewItemAttr attr;
1775                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1776                 if (ret)
1777                     cell->SetAttr( attr );
1778                 cell->SetHasAttr( ret );
1779             }
1780
1781             // update cell_rect
1782             cell_rect.y = GetLineStart( item );
1783             cell_rect.height = GetLineHeight( item );     // -1 is for the horizontal rules (?)
1784
1785             //Draw the expander here.
1786             int indent = 0;
1787             if ((!IsVirtualList()) && (col == expander))
1788             {
1789                 indent = node->GetIndentLevel();
1790
1791                 //Calculate the indent first
1792                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1793
1794                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1795                 // change the cell_rect.x to the appropriate pos
1796                 int  expander_x = indent + EXPANDER_MARGIN;
1797                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET;
1798                 indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
1799                 dc.SetPen( m_penExpander );
1800                 dc.SetBrush( wxNullBrush );
1801                 if( node->HasChildren() )
1802                 {
1803                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1804                     int flag = 0;
1805                     if (m_underMouse == node)
1806                     {
1807                         flag |= wxCONTROL_CURRENT;
1808                     }
1809                     if( node->IsOpen() )
1810                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
1811                     else
1812                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1813                 }
1814                  //force the expander column to left-center align
1815                  cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1816             }
1817             if (node && !node->HasChildren())
1818             {
1819                 // Yes, if the node does not have any child, it must be a leaf which
1820                 // mean that it is a temporarily created by GetTreeNodeByRow
1821                 wxDELETE(node);
1822             }
1823
1824             // cannot be bigger than allocated space
1825             wxSize size = cell->GetSize();
1826             // Because of the tree structure indent, here we should minus the width of the cell for drawing
1827             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1828             // size.y = wxMin( size.y, cell_rect.height );
1829             size.y = cell_rect.height;
1830
1831             wxRect item_rect(cell_rect.GetTopLeft(), size);
1832             int align = cell->CalculateAlignment();
1833
1834             // horizontal alignment:
1835             item_rect.x = cell_rect.x;
1836             if (align & wxALIGN_CENTER_HORIZONTAL)
1837                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1838             else if (align & wxALIGN_RIGHT)
1839                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1840             //else: wxALIGN_LEFT is the default
1841
1842             // vertical alignment:
1843             item_rect.y = cell_rect.y;
1844             if (align & wxALIGN_CENTER_VERTICAL)
1845                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1846             else if (align & wxALIGN_BOTTOM)
1847                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1848             //else: wxALIGN_TOP is the default
1849
1850             // add padding
1851             item_rect.x += PADDING_RIGHTLEFT;
1852             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1853
1854             //Here we add the tree indent
1855             item_rect.x += indent;
1856
1857             int state = 0;
1858             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1859                 state |= wxDATAVIEW_CELL_SELECTED;
1860
1861             // TODO: it would be much more efficient to create a clipping
1862             //       region for the entire column being rendered (in the OnPaint
1863             //       of wxDataViewMainWindow) instead of a single clip region for
1864             //       each cell. However it would mean that each renderer should
1865             //       respect the given wxRect's top & bottom coords, eventually
1866             //       violating only the left & right coords - however the user can
1867             //       make its own renderer and thus we cannot be sure of that.
1868             dc.SetClippingRegion( item_rect );
1869             cell->Render( item_rect, &dc, state );
1870             dc.DestroyClippingRegion();
1871         }
1872
1873         cell_rect.x += cell_rect.width;
1874     }
1875 }
1876
1877 void wxDataViewMainWindow::OnRenameTimer()
1878 {
1879     // We have to call this here because changes may just have
1880     // been made and no screen update taken place.
1881     if ( m_dirty )
1882         wxSafeYield();
1883
1884     int xpos = 0;
1885     unsigned int cols = GetOwner()->GetColumnCount();
1886     unsigned int i;
1887     for (i = 0; i < cols; i++)
1888     {
1889         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
1890         if (c->IsHidden())
1891             continue;      // skip it!
1892
1893         if (c == m_currentCol)
1894             break;
1895         xpos += c->GetWidth();
1896     }
1897     wxRect labelRect( xpos,
1898                       GetLineStart( m_currentRow ),
1899                       m_currentCol->GetWidth(),
1900                       GetLineHeight( m_currentRow ) );
1901
1902     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1903                                      &labelRect.x, &labelRect.y);
1904
1905     wxDataViewItem item = GetItemByRow( m_currentRow );
1906     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1907
1908 }
1909
1910 //------------------------------------------------------------------
1911 // Helper class for do operation on the tree node
1912 //------------------------------------------------------------------
1913 class DoJob
1914 {
1915 public:
1916     DoJob() { }
1917     virtual ~DoJob() { }
1918
1919     //The return value control how the tree-walker tranverse the tree
1920     // 0: Job done, stop tranverse and return
1921     // 1: Ignore the current node's subtree and continue
1922     // 2: Job not done, continue
1923     enum  { OK = 0 , IGR = 1, CONT = 2 };
1924     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1925     virtual int operator() ( void * n ) = 0;
1926 };
1927
1928 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1929 {
1930     if( node==NULL )
1931         return false;
1932
1933     switch( func( node ) )
1934     {
1935         case DoJob::OK :
1936             return true;
1937         case DoJob::IGR:
1938             return false;
1939         case DoJob::CONT:
1940         default:
1941             ;
1942     }
1943
1944     wxDataViewTreeNodes nodes = node->GetNodes();
1945     wxDataViewTreeLeaves leaves = node->GetChildren();
1946
1947     int len_nodes = nodes.GetCount();
1948     int len = leaves.GetCount();
1949     int i = 0, nodes_i = 0;
1950
1951     for(; i < len; i ++ )
1952     {
1953         void * n = leaves[i];
1954         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1955         {
1956             wxDataViewTreeNode * nd = nodes[nodes_i];
1957             nodes_i++;
1958
1959             if( Walker( nd , func ) )
1960                 return true;
1961
1962         }
1963         else
1964             switch( func( n ) )
1965             {
1966                 case DoJob::OK :
1967                     return true;
1968                 case DoJob::IGR:
1969                     continue;
1970                 case DoJob::CONT:
1971                 default:
1972                    ;
1973             }
1974     }
1975     return false;
1976 }
1977
1978 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1979 {
1980     if (!m_root)
1981     {
1982         m_count++;
1983         UpdateDisplay();
1984         return true;
1985     }
1986
1987     SortPrepare();
1988
1989     wxDataViewTreeNode * node;
1990     node = FindNode(parent);
1991
1992     if( node == NULL )
1993         return false;
1994
1995     node->SetHasChildren( true );
1996
1997     if( g_model->IsContainer( item ) )
1998     {
1999         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2000         newnode->SetItem(item);
2001         newnode->SetHasChildren( true );
2002         node->AddNode( newnode);
2003     }
2004     else
2005         node->AddLeaf( item.GetID() );
2006
2007     node->ChangeSubTreeCount(1);
2008
2009     m_count = -1;
2010     UpdateDisplay();
2011
2012     return true;
2013 }
2014
2015 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2016
2017 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2018                                        const wxDataViewItem& item)
2019 {
2020     if (!m_root)
2021     {
2022         m_count--;
2023         if( m_currentRow > GetRowCount() )
2024             m_currentRow = m_count - 1;
2025
2026         m_selection.Empty();
2027
2028         UpdateDisplay();
2029
2030         return true;
2031     }
2032
2033     wxDataViewTreeNode * node = FindNode(parent);
2034
2035     wxCHECK_MSG( node != NULL, false, "item not found" );
2036     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2037
2038     int sub = -1;
2039     node->GetChildren().Remove( item.GetID() );
2040     //Manuplate selection
2041     if( m_selection.GetCount() > 1 )
2042     {
2043         m_selection.Empty();
2044     }
2045     bool isContainer = false;
2046     wxDataViewTreeNodes nds = node->GetNodes();
2047     for (size_t i = 0; i < nds.GetCount(); i ++)
2048     {
2049         if (nds[i]->GetItem() == item)
2050         {
2051             isContainer = true;
2052             break;
2053         }
2054     }
2055     if( isContainer )
2056     {
2057         wxDataViewTreeNode * n = NULL;
2058         wxDataViewTreeNodes nodes = node->GetNodes();
2059         int len = nodes.GetCount();
2060         for( int i = 0; i < len; i ++)
2061         {
2062             if( nodes[i]->GetItem() == item )
2063             {
2064                 n = nodes[i];
2065                 break;
2066             }
2067         }
2068
2069         wxCHECK_MSG( n != NULL, false, "item not found" );
2070
2071         node->GetNodes().Remove( n );
2072         sub -= n->GetSubTreeCount();
2073         ::DestroyTreeHelper(n);
2074     }
2075     //Make the row number invalid and get a new valid one when user call GetRowCount
2076     m_count = -1;
2077     node->ChangeSubTreeCount(sub);
2078
2079     //Change the current row to the last row if the current exceed the max row number
2080     if( m_currentRow > GetRowCount() )
2081         m_currentRow = m_count - 1;
2082
2083     UpdateDisplay();
2084
2085     return true;
2086 }
2087
2088 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2089 {
2090     SortPrepare();
2091     g_model->Resort();
2092
2093     //Send event
2094     wxWindow *parent = GetParent();
2095     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2096     le.SetEventObject(parent);
2097     le.SetModel(GetOwner()->GetModel());
2098     le.SetItem(item);
2099     parent->GetEventHandler()->ProcessEvent(le);
2100
2101     return true;
2102 }
2103
2104 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2105 {
2106     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2107 /*#define MAX_VIRTUAL_WIDTH       100000
2108
2109     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2110     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2111     Refresh( true, &rect );
2112
2113     return true;
2114 */
2115     SortPrepare();
2116     g_model->Resort();
2117
2118     //Send event
2119     wxWindow *parent = GetParent();
2120     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2121     le.SetEventObject(parent);
2122     le.SetModel(GetOwner()->GetModel());
2123     le.SetItem(item);
2124     le.SetColumn(col);
2125     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2126     parent->GetEventHandler()->ProcessEvent(le);
2127
2128     return true;
2129 }
2130
2131 bool wxDataViewMainWindow::Cleared()
2132 {
2133     DestroyTree();
2134
2135     SortPrepare();
2136     BuildTree( GetOwner()->GetModel() );
2137
2138     UpdateDisplay();
2139
2140     return true;
2141 }
2142
2143 void wxDataViewMainWindow::UpdateDisplay()
2144 {
2145     m_dirty = true;
2146 }
2147
2148 void wxDataViewMainWindow::OnInternalIdle()
2149 {
2150     wxWindow::OnInternalIdle();
2151
2152     if (m_dirty)
2153     {
2154         RecalculateDisplay();
2155         m_dirty = false;
2156     }
2157 }
2158
2159 void wxDataViewMainWindow::RecalculateDisplay()
2160 {
2161     wxDataViewModel *model = GetOwner()->GetModel();
2162     if (!model)
2163     {
2164         Refresh();
2165         return;
2166     }
2167
2168     int width = GetEndOfLastCol();
2169     int height = GetLineStart( GetRowCount() );
2170
2171     SetVirtualSize( width, height );
2172     GetOwner()->SetScrollRate( 10, m_lineHeight );
2173
2174     Refresh();
2175 }
2176
2177 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2178 {
2179     wxWindow::ScrollWindow( dx, dy, rect );
2180
2181     if (GetOwner()->m_headerArea)
2182         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2183 }
2184
2185 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2186 {
2187     int x, y;
2188     m_owner->GetScrollPixelsPerUnit( &x, &y );
2189     int sy = GetLineStart( rows )/y;
2190     int sx = 0;
2191     if( column != -1 )
2192     {
2193         wxRect rect = GetClientRect();
2194         int colnum = 0;
2195         int x_start, w = 0;
2196         int xx, yy, xe;
2197         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2198         for (x_start = 0; colnum < column; colnum++)
2199         {
2200             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2201             if (col->IsHidden())
2202                 continue;      // skip it!
2203
2204             w = col->GetWidth();
2205             x_start += w;
2206         }
2207
2208         int x_end = x_start + w;
2209         xe = xx + rect.width;
2210         if( x_end > xe )
2211         {
2212             sx = ( xx + x_end - xe )/x;
2213         }
2214         if( x_start < xx )
2215         {
2216             sx = x_start/x;
2217         }
2218     }
2219     m_owner->Scroll( sx, sy );
2220 }
2221
2222 int wxDataViewMainWindow::GetCountPerPage() const
2223 {
2224     wxSize size = GetClientSize();
2225     return size.y / m_lineHeight;
2226 }
2227
2228 int wxDataViewMainWindow::GetEndOfLastCol() const
2229 {
2230     int width = 0;
2231     unsigned int i;
2232     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2233     {
2234         const wxDataViewColumn *c =
2235             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2236
2237         if (!c->IsHidden())
2238             width += c->GetWidth();
2239     }
2240     return width;
2241 }
2242
2243 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2244 {
2245     int x = 0;
2246     int y = 0;
2247     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2248
2249     return GetLineAt( y );
2250 }
2251
2252 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2253 {
2254     wxSize client_size = GetClientSize();
2255     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2256                                      &client_size.x, &client_size.y );
2257
2258     //we should deal with the pixel here
2259     unsigned int row = GetLineAt(client_size.y) - 1;
2260
2261     return wxMin( GetRowCount()-1, row );
2262 }
2263
2264 unsigned int wxDataViewMainWindow::GetRowCount()
2265 {
2266     if ( m_count == -1 )
2267     {
2268         m_count = RecalculateCount();
2269         UpdateDisplay();
2270     }
2271     return m_count;
2272 }
2273
2274 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2275 {
2276     m_currentRow = row;
2277
2278     // send event
2279 }
2280
2281 void wxDataViewMainWindow::SelectAllRows( bool on )
2282 {
2283     if (IsEmpty())
2284         return;
2285
2286     if (on)
2287     {
2288         m_selection.Clear();
2289         for (unsigned int i = 0; i < GetRowCount(); i++)
2290             m_selection.Add( i );
2291         Refresh();
2292     }
2293     else
2294     {
2295         unsigned int first_visible = GetFirstVisibleRow();
2296         unsigned int last_visible = GetLastVisibleRow();
2297         unsigned int i;
2298         for (i = 0; i < m_selection.GetCount(); i++)
2299         {
2300             unsigned int row = m_selection[i];
2301             if ((row >= first_visible) && (row <= last_visible))
2302                 RefreshRow( row );
2303         }
2304         m_selection.Clear();
2305     }
2306 }
2307
2308 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2309 {
2310     if (m_selection.Index( row ) == wxNOT_FOUND)
2311     {
2312         if (on)
2313         {
2314             m_selection.Add( row );
2315             RefreshRow( row );
2316         }
2317     }
2318     else
2319     {
2320         if (!on)
2321         {
2322             m_selection.Remove( row );
2323             RefreshRow( row );
2324         }
2325     }
2326 }
2327
2328 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2329 {
2330     if (from > to)
2331     {
2332         unsigned int tmp = from;
2333         from = to;
2334         to = tmp;
2335     }
2336
2337     unsigned int i;
2338     for (i = from; i <= to; i++)
2339     {
2340         if (m_selection.Index( i ) == wxNOT_FOUND)
2341         {
2342             if (on)
2343                 m_selection.Add( i );
2344         }
2345         else
2346         {
2347             if (!on)
2348                 m_selection.Remove( i );
2349         }
2350     }
2351     RefreshRows( from, to );
2352 }
2353
2354 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2355 {
2356     for (size_t i=0; i < aSelections.GetCount(); i++)
2357     {
2358         int n = aSelections[i];
2359
2360         m_selection.Add( n );
2361         RefreshRow( n );
2362     }
2363 }
2364
2365 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2366 {
2367     if (m_selection.Index( row ) == wxNOT_FOUND)
2368         m_selection.Add( row );
2369     else
2370         m_selection.Remove( row );
2371     RefreshRow( row );
2372 }
2373
2374 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2375 {
2376     return (m_selection.Index( row ) != wxNOT_FOUND);
2377 }
2378
2379 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2380 {
2381     wxWindow *parent = GetParent();
2382     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2383
2384     le.SetEventObject(parent);
2385     le.SetModel(GetOwner()->GetModel());
2386     le.SetItem( item );
2387
2388     parent->GetEventHandler()->ProcessEvent(le);
2389 }
2390
2391 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2392 {
2393     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2394     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2395
2396     wxSize client_size = GetClientSize();
2397     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2398     wxRect intersect_rect = client_rect.Intersect( rect );
2399     if (intersect_rect.width > 0)
2400         Refresh( true, &intersect_rect );
2401 }
2402
2403 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2404 {
2405     if (from > to)
2406     {
2407         unsigned int tmp = to;
2408         to = from;
2409         from = tmp;
2410     }
2411
2412     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2413     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2414
2415     wxSize client_size = GetClientSize();
2416     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2417     wxRect intersect_rect = client_rect.Intersect( rect );
2418     if (intersect_rect.width > 0)
2419         Refresh( true, &intersect_rect );
2420 }
2421
2422 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2423 {
2424     wxSize client_size = GetClientSize();
2425     int start = GetLineStart( firstRow );
2426     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2427     if (start > client_size.y) return;
2428
2429     wxRect rect( 0, start, client_size.x, client_size.y - start );
2430
2431     Refresh( true, &rect );
2432 }
2433
2434 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2435 {
2436     wxCHECK_RET( newCurrent < GetRowCount(),
2437                  _T("invalid item index in OnArrowChar()") );
2438
2439     // if there is no selection, we cannot move it anywhere
2440     if (!HasCurrentRow())
2441         return;
2442
2443     unsigned int oldCurrent = m_currentRow;
2444
2445     // in single selection we just ignore Shift as we can't select several
2446     // items anyhow
2447     if ( event.ShiftDown() && !IsSingleSel() )
2448     {
2449         RefreshRow( oldCurrent );
2450
2451         ChangeCurrentRow( newCurrent );
2452
2453         // select all the items between the old and the new one
2454         if ( oldCurrent > newCurrent )
2455         {
2456             newCurrent = oldCurrent;
2457             oldCurrent = m_currentRow;
2458         }
2459
2460         SelectRows( oldCurrent, newCurrent, true );
2461         if (oldCurrent!=newCurrent)
2462             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2463     }
2464     else // !shift
2465     {
2466         RefreshRow( oldCurrent );
2467
2468         // all previously selected items are unselected unless ctrl is held
2469         if ( !event.ControlDown() )
2470             SelectAllRows(false);
2471
2472         ChangeCurrentRow( newCurrent );
2473
2474         if ( !event.ControlDown() )
2475         {
2476             SelectRow( m_currentRow, true );
2477             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2478         }
2479         else
2480             RefreshRow( m_currentRow );
2481     }
2482
2483     GetOwner()->EnsureVisible( m_currentRow, -1 );
2484 }
2485
2486 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2487 {
2488     wxRect rect;
2489     rect.x = 0;
2490     rect.y = GetLineStart( row );
2491     rect.width = GetEndOfLastCol();
2492     rect.height = GetLineHeight( row );
2493
2494     return rect;
2495 }
2496
2497 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2498 {
2499     const wxDataViewModel *model = GetOwner()->GetModel();
2500
2501     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2502     {
2503         // TODO make more efficient
2504
2505         int start = 0;
2506
2507         unsigned int r;
2508         for (r = 0; r < row; r++)
2509         {
2510             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2511             if (!node) return start;
2512
2513             wxDataViewItem item = node->GetItem();
2514
2515             if (node && !node->HasChildren())
2516             {
2517                 // Yes, if the node does not have any child, it must be a leaf which
2518                 // mean that it is a temporarily created by GetTreeNodeByRow
2519                 wxDELETE(node);
2520             }
2521
2522             unsigned int cols = GetOwner()->GetColumnCount();
2523             unsigned int col;
2524             int height = m_lineHeight;
2525             for (col = 0; col < cols; col++)
2526             {
2527                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2528                 if (column->IsHidden())
2529                     continue;      // skip it!
2530
2531                 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2532                     continue;      // skip it!
2533
2534                 const wxDataViewRenderer *renderer = column->GetRenderer();
2535                 wxVariant value;
2536                 model->GetValue( value, item, column->GetModelColumn() );
2537                 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2538                 renderer2->SetValue( value );
2539                 height = wxMax( height, renderer->GetSize().y );
2540             }
2541
2542
2543             start += height;
2544         }
2545
2546         return start;
2547     }
2548     else
2549     {
2550         return row * m_lineHeight;
2551     }
2552 }
2553
2554 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2555 {
2556     const wxDataViewModel *model = GetOwner()->GetModel();
2557
2558     // check for the easy case first
2559     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2560         return y / m_lineHeight;
2561
2562     // TODO make more efficient
2563     unsigned int row = 0;
2564     unsigned int yy = 0;
2565     for (;;)
2566     {
2567        const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2568        if (!node)
2569        {
2570            // not really correct...
2571            return row + ((y-yy) / m_lineHeight);
2572        }
2573
2574        wxDataViewItem item = node->GetItem();
2575
2576         if (node && !node->HasChildren())
2577         {
2578             // Yes, if the node does not have any child, it must be a leaf which
2579             // mean that it is a temporarily created by GetTreeNodeByRow
2580             wxDELETE(node);
2581         }
2582
2583        unsigned int cols = GetOwner()->GetColumnCount();
2584        unsigned int col;
2585        int height = m_lineHeight;
2586        for (col = 0; col < cols; col++)
2587        {
2588             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2589             if (column->IsHidden())
2590                 continue;      // skip it!
2591
2592             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2593                 continue;      // skip it!
2594
2595             const wxDataViewRenderer *renderer = column->GetRenderer();
2596             wxVariant value;
2597             model->GetValue( value, item, column->GetModelColumn() );
2598             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2599             renderer2->SetValue( value );
2600             height = wxMax( height, renderer->GetSize().y );
2601        }
2602
2603        yy += height;
2604        if (y < yy)
2605            return row;
2606
2607        row++;
2608     }
2609 }
2610
2611 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2612 {
2613     const wxDataViewModel *model = GetOwner()->GetModel();
2614
2615     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2616     {
2617         wxASSERT( !IsVirtualList() );
2618
2619         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2620         // wxASSERT( node );
2621         if (!node) return m_lineHeight;
2622
2623         wxDataViewItem item = node->GetItem();
2624
2625         if (node && !node->HasChildren())
2626         {
2627                 // Yes, if the node does not have any child, it must be a leaf which
2628                 // mean that it is a temporarily created by GetTreeNodeByRow
2629              wxDELETE(node);
2630         }
2631
2632         int height = m_lineHeight;
2633
2634         unsigned int cols = GetOwner()->GetColumnCount();
2635         unsigned int col;
2636         for (col = 0; col < cols; col++)
2637         {
2638             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2639             if (column->IsHidden())
2640                 continue;      // skip it!
2641
2642             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2643                 continue;      // skip it!
2644
2645             const wxDataViewRenderer *renderer = column->GetRenderer();
2646             wxVariant value;
2647             model->GetValue( value, item, column->GetModelColumn() );
2648             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2649             renderer2->SetValue( value );
2650             height = wxMax( height, renderer->GetSize().y );
2651         }
2652
2653         return height;
2654     }
2655     else
2656     {
2657         return m_lineHeight;
2658     }
2659 }
2660
2661 class RowToItemJob: public DoJob
2662 {
2663 public:
2664     RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;}
2665     virtual ~RowToItemJob() { }
2666
2667     virtual int operator() ( wxDataViewTreeNode * node )
2668     {
2669         current ++;
2670         if( current == static_cast<int>(row))
2671          {
2672             ret = node->GetItem();
2673             return DoJob::OK;
2674         }
2675
2676         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2677         {
2678             current += node->GetSubTreeCount();
2679             return  DoJob::IGR;
2680         }
2681         else
2682         {
2683             //If the current has no child node, we can find the desired item of the row number directly.
2684             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2685             if( node->GetNodes().GetCount() == 0)
2686             {
2687                 int index = static_cast<int>(row) - current - 1;
2688                 ret = node->GetChildren().Item( index );
2689                 return DoJob::OK;
2690             }
2691             return DoJob::CONT;
2692         }
2693     }
2694
2695     virtual int operator() ( void * n )
2696     {
2697         current ++;
2698         if( current == static_cast<int>(row))
2699          {
2700             ret = wxDataViewItem( n );
2701             return DoJob::OK;
2702         }
2703         return DoJob::CONT;
2704     }
2705     wxDataViewItem GetResult(){ return ret; }
2706 private:
2707     unsigned int row;
2708     int current;
2709     wxDataViewItem ret;
2710 };
2711
2712 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2713 {
2714     if (!m_root)
2715     {
2716         return wxDataViewItem( wxUIntToPtr(row) );
2717     }
2718     else
2719     {
2720         RowToItemJob job( row, -2 );
2721         Walker( m_root , job );
2722         return job.GetResult();
2723     }
2724 }
2725
2726 class RowToTreeNodeJob: public DoJob
2727 {
2728 public:
2729     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2730     {
2731         this->row = row;
2732         this->current = current;
2733         ret = NULL;
2734         parent = node;
2735     }
2736     virtual ~RowToTreeNodeJob(){ }
2737
2738     virtual int operator() ( wxDataViewTreeNode * node )
2739     {
2740         current ++;
2741         if( current == static_cast<int>(row))
2742          {
2743             ret = node;
2744             return DoJob::OK;
2745         }
2746
2747         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2748         {
2749             current += node->GetSubTreeCount();
2750             return  DoJob::IGR;
2751         }
2752         else
2753         {
2754             parent = node;
2755             //If the current has no child node, we can find the desired item of the row number directly.
2756             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2757             if( node->GetNodes().GetCount() == 0)
2758             {
2759                 int index = static_cast<int>(row) - current - 1;
2760                 void * n = node->GetChildren().Item( index );
2761                 ret = new wxDataViewTreeNode( parent );
2762                 ret->SetItem( wxDataViewItem( n ));
2763                 ret->SetHasChildren(false);
2764                 return DoJob::OK;
2765             }
2766             return DoJob::CONT;
2767         }
2768
2769
2770     }
2771
2772     virtual int operator() ( void * n )
2773     {
2774         current ++;
2775         if( current == static_cast<int>(row))
2776          {
2777             ret = new wxDataViewTreeNode( parent );
2778             ret->SetItem( wxDataViewItem( n ));
2779             ret->SetHasChildren(false);
2780             return DoJob::OK;
2781         }
2782
2783         return DoJob::CONT;
2784     }
2785     wxDataViewTreeNode * GetResult(){ return ret; }
2786 private:
2787     unsigned int row;
2788     int current;
2789     wxDataViewTreeNode * ret;
2790     wxDataViewTreeNode * parent;
2791 };
2792
2793
2794 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2795 {
2796     wxASSERT( !IsVirtualList() );
2797
2798     RowToTreeNodeJob job( row , -2, m_root );
2799     Walker( m_root , job );
2800     return job.GetResult();
2801 }
2802
2803 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2804 {
2805     wxWindow *parent = GetParent();
2806     wxDataViewEvent le(type, parent->GetId());
2807
2808     le.SetEventObject(parent);
2809     le.SetModel(GetOwner()->GetModel());
2810     le.SetItem( item );
2811
2812     parent->GetEventHandler()->ProcessEvent(le);
2813     return le;
2814 }
2815
2816
2817 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2818 {
2819     if (IsVirtualList())
2820        return false;
2821
2822     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2823     if (!node)
2824        return false;
2825
2826     if (!node->HasChildren())
2827     {
2828        delete node;
2829        return false;
2830     }
2831
2832     return node->IsOpen();
2833 }
2834
2835
2836 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2837 {
2838     if (IsVirtualList())
2839        return;
2840
2841     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2842     if( node != NULL )
2843     {
2844         if( node->HasChildren())
2845         {
2846             if( !node->IsOpen())
2847             {
2848                wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2849                //Check if the user prevent expanding
2850                if( e.GetSkipped() )
2851                     return;
2852
2853                node->ToggleOpen();
2854                //Here I build the children of current node
2855                if( node->GetChildrenNumber() == 0 )
2856                {
2857                    SortPrepare();
2858                    ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2859                }
2860                m_count = -1;
2861                UpdateDisplay();
2862                //Send the expanded event
2863                SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2864             }
2865             else
2866             {
2867                 SelectRow( row, false );
2868                 SelectRow( row + 1, true );
2869                 ChangeCurrentRow( row + 1 );
2870                 SendSelectionChangedEvent( GetItemByRow(row+1));
2871             }
2872         }
2873         else
2874             delete node;
2875     }
2876 }
2877
2878 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2879 {
2880     if (IsVirtualList())
2881        return;
2882
2883     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2884     if( node != NULL )
2885     {
2886         wxDataViewTreeNode * nd = node;
2887
2888         if( node->HasChildren() && node->IsOpen() )
2889         {
2890             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2891             if( e.GetSkipped() )
2892                 return;
2893             node->ToggleOpen();
2894             m_count = -1;
2895             UpdateDisplay();
2896             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
2897         }
2898         else
2899         {
2900             node = node->GetParent();
2901             if( node != NULL )
2902             {
2903                 int  parent = GetRowByItem( node->GetItem() );
2904                 if( parent >= 0 )
2905                 {
2906                     SelectRow( row, false);
2907                     SelectRow(parent , true );
2908                     ChangeCurrentRow( parent );
2909                     SendSelectionChangedEvent( node->GetItem() );
2910                 }
2911             }
2912         }
2913         if( !nd->HasChildren())
2914             delete nd;
2915     }
2916 }
2917
2918 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2919 {
2920     wxDataViewModel * model = GetOwner()->GetModel();
2921     if( model == NULL )
2922         return NULL;
2923
2924     if (!item.IsOk())
2925         return m_root;
2926
2927     //Compose the a parent-chain of the finding item
2928     ItemList list;
2929     list.DeleteContents( true );
2930     wxDataViewItem it( item );
2931     while( it.IsOk() )
2932     {
2933         wxDataViewItem * pItem = new wxDataViewItem( it );
2934         list.Insert( pItem );
2935         it = model->GetParent( it );
2936     }
2937
2938     //Find the item along the parent-chain.
2939     //This algorithm is designed to speed up the node-finding method
2940     wxDataViewTreeNode * node = m_root;
2941     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2942     {
2943         if( node->HasChildren() )
2944         {
2945             if( node->GetChildrenNumber() == 0 )
2946             {
2947                 SortPrepare();
2948                 ::BuildTreeHelper(model, node->GetItem(), node);
2949             }
2950
2951             wxDataViewTreeNodes nodes = node->GetNodes();
2952             unsigned int i;
2953             bool found = false;
2954
2955             for (i = 0; i < nodes.GetCount(); i ++)
2956             {
2957                 if (nodes[i]->GetItem() == (**iter))
2958                 {
2959                     if (nodes[i]->GetItem() == item)
2960                        return nodes[i];
2961
2962                     node = nodes[i];
2963                     found = true;
2964                     break;
2965                 }
2966             }
2967             if (!found)
2968                 return NULL;
2969         }
2970         else
2971             return NULL;
2972     }
2973     return NULL;
2974 }
2975
2976 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
2977 {
2978     wxDataViewColumn *col = NULL;
2979     unsigned int cols = GetOwner()->GetColumnCount();
2980     unsigned int colnum = 0;
2981     int x, y;
2982     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2983     for (unsigned x_start = 0; colnum < cols; colnum++)
2984     {
2985         col = GetOwner()->GetColumnAt(colnum);
2986         if (col->IsHidden())
2987             continue;      // skip it!
2988
2989         unsigned int w = col->GetWidth();
2990         if (x_start+w >= (unsigned int)x)
2991             break;
2992
2993         x_start += w;
2994     }
2995
2996     column = col;
2997     item = GetItemByRow( GetLineAt( y ) );
2998 }
2999
3000 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3001 {
3002     int row = GetRowByItem(item);
3003     int y = GetLineStart( row );
3004     int h = GetLineHeight( m_lineHeight );
3005     int x = 0;
3006     wxDataViewColumn *col = NULL;
3007     for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3008     {
3009        col = GetOwner()->GetColumnAt( i );
3010        x += col->GetWidth();
3011        if( GetOwner()->GetColumnAt(i+1) == column )
3012            break;
3013     }
3014     int w = col->GetWidth();
3015     m_owner->CalcScrolledPosition( x, y, &x, &y );
3016     return wxRect(x, y, w, h);
3017 }
3018
3019 int wxDataViewMainWindow::RecalculateCount()
3020 {
3021     if (!m_root)
3022     {
3023         wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3024 #ifndef __WXMAC__
3025         return list_model->GetLastIndex() + 1;
3026 #else
3027         return list_model->GetLastIndex() - 1;
3028 #endif
3029     }
3030     else
3031     {
3032         return m_root->GetSubTreeCount();
3033     }
3034 }
3035
3036 class ItemToRowJob : public DoJob
3037 {
3038 public:
3039     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3040         : m_iter(iter),
3041           item(item_)
3042     {
3043         ret = -1;
3044     }
3045
3046     //Maybe binary search will help to speed up this process
3047     virtual int operator() ( wxDataViewTreeNode * node)
3048     {
3049          ret ++;
3050          if( node->GetItem() == item )
3051          {
3052              return DoJob::OK;
3053          }
3054
3055          if( node->GetItem() == **m_iter )
3056          {
3057              m_iter++;
3058              return DoJob::CONT;
3059          }
3060          else
3061          {
3062              ret += node->GetSubTreeCount();
3063              return DoJob::IGR;
3064          }
3065
3066     }
3067
3068     virtual int operator() ( void * n )
3069     {
3070         ret ++;
3071         if( n == item.GetID() )
3072             return DoJob::OK;
3073         return DoJob::CONT;
3074     }
3075     //the row number is begin from zero
3076     int GetResult() { return ret -1; }
3077
3078 private:
3079     ItemList::const_iterator  m_iter;
3080     wxDataViewItem item;
3081     int ret;
3082
3083 };
3084
3085 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3086 {
3087     const wxDataViewModel * model = GetOwner()->GetModel();
3088     if( model == NULL )
3089         return -1;
3090
3091     if (!m_root)
3092     {
3093         return wxPtrToUInt( item.GetID() );
3094     }
3095     else
3096     {
3097         if( !item.IsOk() )
3098             return -1;
3099
3100         //Compose the a parent-chain of the finding item
3101         ItemList list;
3102         wxDataViewItem * pItem;
3103         list.DeleteContents( true );
3104         wxDataViewItem it( item );
3105         while( it.IsOk() )
3106         {
3107             pItem = new wxDataViewItem( it );
3108             list.Insert( pItem );
3109             it = model->GetParent( it );
3110         }
3111         pItem = new wxDataViewItem( );
3112         list.Insert( pItem );
3113
3114         ItemToRowJob job( item, list.begin() );
3115         Walker(m_root , job );
3116         return job.GetResult();
3117     }
3118 }
3119
3120 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
3121 {
3122     if( !model->IsContainer( item ) )
3123         return;
3124
3125     wxDataViewItemArray children;
3126     unsigned int num = model->GetChildren( item, children);
3127
3128     unsigned int index = 0;
3129     while( index < num )
3130     {
3131         if( model->IsContainer( children[index] ) )
3132         {
3133             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3134             n->SetItem(children[index]);
3135             n->SetHasChildren( true );
3136             node->AddNode( n );
3137         }
3138         else
3139         {
3140             node->AddLeaf( children[index].GetID() );
3141         }
3142         index ++;
3143     }
3144     node->SetSubTreeCount( num );
3145     wxDataViewTreeNode * n = node->GetParent();
3146     if( n != NULL)
3147         n->ChangeSubTreeCount(num);
3148
3149 }
3150
3151 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3152 {
3153     DestroyTree();
3154
3155     if (GetOwner()->GetModel()->IsVirtualListModel())
3156     {
3157         m_count = -1;
3158         return;
3159     }
3160
3161     m_root = new wxDataViewTreeNode( NULL );
3162     m_root->SetHasChildren(true);
3163
3164     //First we define a invalid item to fetch the top-level elements
3165     wxDataViewItem item;
3166     SortPrepare();
3167     BuildTreeHelper( model, item, m_root);
3168     m_count = -1;
3169 }
3170
3171 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3172 {
3173     if( node->GetNodeNumber() != 0 )
3174     {
3175         int len = node->GetNodeNumber();
3176         int i = 0;
3177         wxDataViewTreeNodes& nodes = node->GetNodes();
3178         for(; i < len; i ++ )
3179         {
3180             DestroyTreeHelper(nodes[i]);
3181         }
3182     }
3183     delete node;
3184 }
3185
3186 void wxDataViewMainWindow::DestroyTree()
3187 {
3188     if (!IsVirtualList())
3189     {
3190        ::DestroyTreeHelper(m_root);
3191         m_count = 0;
3192         m_root = NULL;
3193     }
3194 }
3195
3196 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3197 {
3198     if ( GetParent()->HandleAsNavigationKey(event) )
3199         return;
3200
3201     // no item -> nothing to do
3202     if (!HasCurrentRow())
3203     {
3204         event.Skip();
3205         return;
3206     }
3207
3208     // don't use m_linesPerPage directly as it might not be computed yet
3209     const int pageSize = GetCountPerPage();
3210     wxCHECK_RET( pageSize, _T("should have non zero page size") );
3211
3212     switch ( event.GetKeyCode() )
3213     {
3214         case WXK_RETURN:
3215         {
3216             if (m_currentRow >= 0)
3217             {
3218                 wxWindow *parent = GetParent();
3219                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3220                 le.SetItem( GetItemByRow(m_currentRow) );
3221                 le.SetEventObject(parent);
3222                 le.SetModel(GetOwner()->GetModel());
3223
3224                 parent->GetEventHandler()->ProcessEvent(le);
3225             }
3226             break;
3227         }
3228         case WXK_UP:
3229             if ( m_currentRow > 0 )
3230                 OnArrowChar( m_currentRow - 1, event );
3231             break;
3232
3233         case WXK_DOWN:
3234             if ( m_currentRow < GetRowCount() - 1 )
3235                 OnArrowChar( m_currentRow + 1, event );
3236             break;
3237         //Add the process for tree expanding/collapsing
3238         case WXK_LEFT:
3239          OnCollapsing(m_currentRow);
3240          break;
3241      case WXK_RIGHT:
3242          OnExpanding( m_currentRow);
3243          break;
3244         case WXK_END:
3245             if (!IsEmpty())
3246                 OnArrowChar( GetRowCount() - 1, event );
3247             break;
3248
3249         case WXK_HOME:
3250             if (!IsEmpty())
3251                 OnArrowChar( 0, event );
3252             break;
3253
3254         case WXK_PAGEUP:
3255             {
3256                 int steps = pageSize - 1;
3257                 int index = m_currentRow - steps;
3258                 if (index < 0)
3259                     index = 0;
3260
3261                 OnArrowChar( index, event );
3262             }
3263             break;
3264
3265         case WXK_PAGEDOWN:
3266             {
3267                 int steps = pageSize - 1;
3268                 unsigned int index = m_currentRow + steps;
3269                 unsigned int count = GetRowCount();
3270                 if ( index >= count )
3271                     index = count - 1;
3272
3273                 OnArrowChar( index, event );
3274             }
3275             break;
3276
3277         default:
3278             event.Skip();
3279     }
3280 }
3281
3282 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3283 {
3284     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3285     {
3286         // let the base handle mouse wheel events.
3287         event.Skip();
3288         return;
3289     }
3290
3291     int x = event.GetX();
3292     int y = event.GetY();
3293     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3294     wxDataViewColumn *col = NULL;
3295
3296     int xpos = 0;
3297     unsigned int cols = GetOwner()->GetColumnCount();
3298     unsigned int i;
3299     for (i = 0; i < cols; i++)
3300     {
3301         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3302         if (c->IsHidden())
3303             continue;      // skip it!
3304
3305         if (x < xpos + c->GetWidth())
3306         {
3307             col = c;
3308             break;
3309         }
3310         xpos += c->GetWidth();
3311     }
3312     if (!col)
3313         return;
3314
3315     wxDataViewRenderer *cell = col->GetRenderer();
3316     unsigned int current = GetLineAt( y );
3317     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3318     {
3319         // Unselect all if below the last row ?
3320         return;
3321     }
3322
3323     //Test whether the mouse is hovered on the tree item button
3324     bool hover = false;
3325     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3326     {
3327         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3328         if( node!=NULL && node->HasChildren() )
3329         {
3330             int indent = node->GetIndentLevel();
3331             indent = GetOwner()->GetIndent()*indent;
3332             wxRect rect( xpos + indent + EXPANDER_MARGIN,
3333                          GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
3334                          m_lineHeight-2*EXPANDER_MARGIN,
3335                          m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
3336             if( rect.Contains( x, y) )
3337             {
3338                 //So the mouse is over the expander
3339                 hover = true;
3340                 if (m_underMouse && m_underMouse != node)
3341                 {
3342                     //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3343                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3344                 }
3345                 if (m_underMouse != node)
3346                 {
3347                     //wxLogMessage("Do the row: %d", current);
3348                     RefreshRow(current);
3349                 }
3350                 m_underMouse = node;
3351             }
3352         }
3353         if (node!=NULL && !node->HasChildren())
3354             delete node;
3355     }
3356     if (!hover)
3357     {
3358         if (m_underMouse != NULL)
3359         {
3360             //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3361             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3362             m_underMouse = NULL;
3363         }
3364     }
3365
3366     wxDataViewModel *model = GetOwner()->GetModel();
3367
3368     if (event.Dragging())
3369     {
3370         if (m_dragCount == 0)
3371         {
3372             // we have to report the raw, physical coords as we want to be
3373             // able to call HitTest(event.m_pointDrag) from the user code to
3374             // get the item being dragged
3375             m_dragStart = event.GetPosition();
3376         }
3377
3378         m_dragCount++;
3379
3380         if (m_dragCount != 3)
3381             return;
3382
3383         if (event.LeftIsDown())
3384         {
3385             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y, &m_dragStart.x, &m_dragStart.y );
3386             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3387             wxDataViewItem item = GetItemByRow( drag_item_row );
3388
3389             // Notify cell about drag
3390             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3391             event.SetEventObject( m_owner );
3392             event.SetItem( item );
3393             event.SetModel( model );
3394             if (!m_owner->HandleWindowEvent( event ))
3395                 return;
3396
3397             if (!event.IsAllowed())
3398                 return;
3399
3400             wxDataObject *obj = event.GetDataObject();
3401             if (!obj)
3402                 return;
3403
3404             wxDataViewDropSource drag( this, drag_item_row );
3405             drag.SetData( *obj );
3406             /* wxDragResult res = */ drag.DoDragDrop();
3407             delete obj;
3408         }
3409         return;
3410     }
3411     else
3412     {
3413         m_dragCount = 0;
3414     }
3415
3416     bool forceClick = false;
3417
3418     if (event.ButtonDClick())
3419     {
3420         m_renameTimer->Stop();
3421         m_lastOnSame = false;
3422     }
3423
3424     wxDataViewItem item = GetItemByRow(current);
3425     bool ignore_other_columns =
3426         ((GetOwner()->GetExpanderColumn() != col) &&
3427          (model->IsContainer(item)) &&
3428          (!model->HasContainerColumns(item)));
3429
3430     if (event.LeftDClick())
3431     {
3432         if ( current == m_lineLastClicked )
3433         {
3434             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3435             {
3436                 wxVariant value;
3437                 model->GetValue( value, item, col->GetModelColumn() );
3438                 cell->SetValue( value );
3439                 wxRect cell_rect( xpos, GetLineStart( current ),
3440                                   col->GetWidth(), GetLineHeight( current ) );
3441                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3442
3443             }
3444             else
3445             {
3446                 wxWindow *parent = GetParent();
3447                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3448                 le.SetItem( item );
3449                 le.SetEventObject(parent);
3450                 le.SetModel(GetOwner()->GetModel());
3451
3452                 parent->GetEventHandler()->ProcessEvent(le);
3453             }
3454             return;
3455         }
3456         else
3457         {
3458             // The first click was on another item, so don't interpret this as
3459             // a double click, but as a simple click instead
3460             forceClick = true;
3461         }
3462     }
3463
3464     if (event.LeftUp())
3465     {
3466         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3467         {
3468             // select single line
3469             SelectAllRows( false );
3470             SelectRow( m_lineSelectSingleOnUp, true );
3471             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3472         }
3473
3474         //Process the event of user clicking the expander
3475         bool expander = false;
3476         if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3477         {
3478             wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3479             if( node!=NULL && node->HasChildren() )
3480             {
3481                 int indent = node->GetIndentLevel();
3482                 indent = GetOwner()->GetIndent()*indent;
3483                 wxRect rect( xpos + indent + EXPANDER_MARGIN,
3484                          GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
3485                          m_lineHeight-2*EXPANDER_MARGIN,
3486                          m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
3487
3488                 if( rect.Contains( x, y) )
3489                 {
3490                     expander = true;
3491                     if( node->IsOpen() )
3492                         OnCollapsing(current);
3493                     else
3494                         OnExpanding( current );
3495                 }
3496             }
3497             if (node && !node->HasChildren())
3498                delete node;
3499         }
3500         //If the user click the expander, we do not do editing even if the column with expander are editable
3501         if (m_lastOnSame && !expander && !ignore_other_columns)
3502         {
3503             if ((col == m_currentCol) && (current == m_currentRow) &&
3504                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3505             {
3506                 m_renameTimer->Start( 100, true );
3507             }
3508         }
3509
3510         m_lastOnSame = false;
3511         m_lineSelectSingleOnUp = (unsigned int)-1;
3512     }
3513     else
3514     {
3515         // This is necessary, because after a DnD operation in
3516         // from and to ourself, the up event is swallowed by the
3517         // DnD code. So on next non-up event (which means here and
3518         // now) m_lineSelectSingleOnUp should be reset.
3519         m_lineSelectSingleOnUp = (unsigned int)-1;
3520     }
3521
3522     if (event.RightDown())
3523     {
3524         m_lineBeforeLastClicked = m_lineLastClicked;
3525         m_lineLastClicked = current;
3526
3527         // If the item is already selected, do not update the selection.
3528         // Multi-selections should not be cleared if a selected item is clicked.
3529         if (!IsRowSelected(current))
3530         {
3531             SelectAllRows(false);
3532             ChangeCurrentRow(current);
3533             SelectRow(m_currentRow,true);
3534             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3535         }
3536
3537         wxVariant value;
3538         model->GetValue( value, item, col->GetModelColumn() );
3539         wxWindow *parent = GetParent();
3540         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3541         le.SetItem( item );
3542         le.SetEventObject(parent);
3543         le.SetModel(GetOwner()->GetModel());
3544         le.SetValue(value);
3545         parent->GetEventHandler()->ProcessEvent(le);
3546     }
3547     else if (event.MiddleDown())
3548     {
3549     }
3550     if (event.LeftDown() || forceClick)
3551     {
3552         SetFocus();
3553
3554         m_lineBeforeLastClicked = m_lineLastClicked;
3555         m_lineLastClicked = current;
3556
3557         unsigned int oldCurrentRow = m_currentRow;
3558         bool oldWasSelected = IsRowSelected(m_currentRow);
3559
3560         bool cmdModifierDown = event.CmdDown();
3561         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3562         {
3563             if ( IsSingleSel() || !IsRowSelected(current) )
3564             {
3565                 SelectAllRows( false );
3566                 ChangeCurrentRow(current);
3567                 SelectRow(m_currentRow,true);
3568                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3569             }
3570             else // multi sel & current is highlighted & no mod keys
3571             {
3572                 m_lineSelectSingleOnUp = current;
3573                 ChangeCurrentRow(current); // change focus
3574             }
3575         }
3576         else // multi sel & either ctrl or shift is down
3577         {
3578             if (cmdModifierDown)
3579             {
3580                 ChangeCurrentRow(current);
3581                 ReverseRowSelection(m_currentRow);
3582                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3583             }
3584             else if (event.ShiftDown())
3585             {
3586                 ChangeCurrentRow(current);
3587
3588                 unsigned int lineFrom = oldCurrentRow,
3589                        lineTo = current;
3590
3591                 if ( lineTo < lineFrom )
3592                 {
3593                     lineTo = lineFrom;
3594                     lineFrom = m_currentRow;
3595                 }
3596
3597                 SelectRows(lineFrom, lineTo, true);
3598                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3599             }
3600             else // !ctrl, !shift
3601             {
3602                 // test in the enclosing if should make it impossible
3603                 wxFAIL_MSG( _T("how did we get here?") );
3604             }
3605         }
3606
3607         if (m_currentRow != oldCurrentRow)
3608             RefreshRow( oldCurrentRow );
3609
3610         wxDataViewColumn *oldCurrentCol = m_currentCol;
3611
3612         // Update selection here...
3613         m_currentCol = col;
3614
3615         m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3616                         (current == oldCurrentRow)) && oldWasSelected;
3617
3618         // Call LeftClick after everything else as under GTK+
3619         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3620         {
3621             // notify cell about right click
3622             wxVariant value;
3623             model->GetValue( value, item, col->GetModelColumn() );
3624             cell->SetValue( value );
3625             wxRect cell_rect( xpos, GetLineStart( current ),
3626                           col->GetWidth(), GetLineHeight( current ) );
3627             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3628         }
3629     }
3630 }
3631
3632 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3633 {
3634     m_hasFocus = true;
3635
3636     if (HasCurrentRow())
3637         Refresh();
3638
3639     event.Skip();
3640 }
3641
3642 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3643 {
3644     m_hasFocus = false;
3645
3646     if (HasCurrentRow())
3647         Refresh();
3648
3649     event.Skip();
3650 }
3651
3652 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3653 {
3654     if( m_selection.GetCount() != 1 )
3655         return wxDataViewItem();
3656
3657     return GetItemByRow( m_selection.Item(0));
3658 }
3659
3660 //-----------------------------------------------------------------------------
3661 // wxDataViewCtrl
3662 //-----------------------------------------------------------------------------
3663 WX_DEFINE_LIST(wxDataViewColumnList)
3664
3665 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3666
3667 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3668     EVT_SIZE(wxDataViewCtrl::OnSize)
3669 END_EVENT_TABLE()
3670
3671 wxDataViewCtrl::~wxDataViewCtrl()
3672 {
3673     if (m_notifier)
3674         GetModel()->RemoveNotifier( m_notifier );
3675
3676     m_cols.Clear();
3677 }
3678
3679 void wxDataViewCtrl::Init()
3680 {
3681     m_cols.DeleteContents(true);
3682     m_notifier = NULL;
3683
3684     // No sorting column at start
3685     m_sortingColumnIdx = wxNOT_FOUND;
3686
3687     m_headerArea = NULL;
3688 }
3689
3690 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3691            const wxPoint& pos, const wxSize& size,
3692            long style, const wxValidator& validator )
3693 {
3694 //    if ( (style & wxBORDER_MASK) == 0)
3695 //        style |= wxBORDER_SUNKEN;
3696
3697     Init();
3698
3699     if (!wxControl::Create( parent, id, pos, size,
3700                             style | wxScrolledWindowStyle, validator))
3701         return false;
3702
3703     SetInitialSize(size);
3704
3705 #ifdef __WXMAC__
3706     MacSetClipChildren( true );
3707 #endif
3708
3709     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3710
3711     if (HasFlag(wxDV_NO_HEADER))
3712         m_headerArea = NULL;
3713     else
3714         m_headerArea = new wxDataViewHeaderWindow(this);
3715
3716     SetTargetWindow( m_clientArea );
3717
3718     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3719     if (m_headerArea)
3720         sizer->Add( m_headerArea, 0, wxGROW );
3721     sizer->Add( m_clientArea, 1, wxGROW );
3722     SetSizer( sizer );
3723
3724     return true;
3725 }
3726
3727 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3728 {
3729     return wxBORDER_THEME;
3730 }
3731
3732 #ifdef __WXMSW__
3733 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3734                                        WXWPARAM wParam,
3735                                        WXLPARAM lParam)
3736 {
3737     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3738
3739 #ifndef __WXWINCE__
3740     // we need to process arrows ourselves for scrolling
3741     if ( nMsg == WM_GETDLGCODE )
3742     {
3743         rc |= DLGC_WANTARROWS;
3744     }
3745 #endif
3746
3747     return rc;
3748 }
3749 #endif
3750
3751 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3752 {
3753     wxSize newsize = size;
3754     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3755        newsize.y -= m_headerArea->GetSize().y;
3756
3757     return newsize;
3758 }
3759
3760 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3761 {
3762     // We need to override OnSize so that our scrolled
3763     // window a) does call Layout() to use sizers for
3764     // positioning the controls but b) does not query
3765     // the sizer for their size and use that for setting
3766     // the scrollable area as set that ourselves by
3767     // calling SetScrollbar() further down.
3768
3769     Layout();
3770
3771     AdjustScrollbars();
3772 }
3773
3774 void wxDataViewCtrl::SetFocus()
3775 {
3776     if (m_clientArea)
3777         m_clientArea->SetFocus();
3778 }
3779
3780 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3781 {
3782     if (!wxDataViewCtrlBase::AssociateModel( model ))
3783         return false;
3784
3785     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3786
3787     model->AddNotifier( m_notifier );
3788
3789     m_clientArea->DestroyTree();
3790
3791     m_clientArea->BuildTree(model);
3792
3793     m_clientArea->UpdateDisplay();
3794
3795     return true;
3796 }
3797
3798 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3799 {
3800     return m_clientArea->EnableDragSource( format );
3801 }
3802
3803 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3804 {
3805     return m_clientArea->EnableDropTarget( format );
3806 }
3807
3808 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3809 {
3810     if (!wxDataViewCtrlBase::AppendColumn(col))
3811         return false;
3812
3813     m_cols.Append( col );
3814     OnColumnsCountChanged();
3815     return true;
3816 }
3817
3818 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3819 {
3820     if (!wxDataViewCtrlBase::PrependColumn(col))
3821         return false;
3822
3823     m_cols.Insert( col );
3824     OnColumnsCountChanged();
3825     return true;
3826 }
3827
3828 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3829 {
3830     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3831         return false;
3832
3833     m_cols.Insert( pos, col );
3834     OnColumnsCountChanged();
3835     return true;
3836 }
3837
3838 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3839 {
3840     if ( m_headerArea )
3841         m_headerArea->UpdateColumn(idx);
3842
3843     m_clientArea->UpdateDisplay();
3844 }
3845
3846 void wxDataViewCtrl::OnColumnsCountChanged()
3847 {
3848     if (m_headerArea)
3849         m_headerArea->SetColumnCount(GetColumnCount());
3850
3851     m_clientArea->UpdateDisplay();
3852 }
3853
3854 void wxDataViewCtrl::DoSetExpanderColumn()
3855 {
3856     m_clientArea->UpdateDisplay();
3857 }
3858
3859 void wxDataViewCtrl::DoSetIndent()
3860 {
3861     m_clientArea->UpdateDisplay();
3862 }
3863
3864 unsigned int wxDataViewCtrl::GetColumnCount() const
3865 {
3866     return m_cols.GetCount();
3867 }
3868
3869 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3870 {
3871     return m_cols[idx];
3872 }
3873
3874 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3875 {
3876     // columns can't be reordered if there is no header window which allows
3877     // to do this
3878     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
3879                                       : pos;
3880
3881     return GetColumn(idx);
3882 }
3883
3884 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
3885 {
3886     const unsigned count = m_cols.size();
3887     for ( unsigned n = 0; n < count; n++ )
3888     {
3889         if ( m_cols[n] == column )
3890             return n;
3891     }
3892
3893     return wxNOT_FOUND;
3894 }
3895
3896 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
3897                                  unsigned int WXUNUSED(new_pos))
3898 {
3899     // do _not_ reorder m_cols elements here, they should always be in the
3900     // order in which columns were added, we only display the columns in
3901     // different order
3902     m_clientArea->UpdateDisplay();
3903 }
3904
3905 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3906 {
3907     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3908     if (!ret)
3909         return false;
3910
3911     m_cols.Erase(ret);
3912     OnColumnsCountChanged();
3913
3914     return true;
3915 }
3916
3917 bool wxDataViewCtrl::ClearColumns()
3918 {
3919     m_cols.Clear();
3920     OnColumnsCountChanged();
3921     return true;
3922 }
3923
3924 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3925 {
3926     int ret = 0,
3927         dummy = 0;
3928     unsigned int len = GetColumnCount();
3929     for ( unsigned int i = 0; i < len; i++ )
3930     {
3931         wxDataViewColumn * col = GetColumnAt(i);
3932         if (col->IsHidden())
3933             continue;
3934         ret += col->GetWidth();
3935         if (column==col)
3936         {
3937             CalcScrolledPosition( ret, dummy, &ret, &dummy );
3938             break;
3939         }
3940     }
3941     return ret;
3942 }
3943
3944 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3945 {
3946     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
3947                                              : GetColumn(m_sortingColumnIdx);
3948 }
3949
3950 //Selection code with wxDataViewItem as parameters
3951 wxDataViewItem wxDataViewCtrl::GetSelection() const
3952 {
3953     return m_clientArea->GetSelection();
3954 }
3955
3956 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3957 {
3958     sel.Empty();
3959     wxDataViewSelection selection = m_clientArea->GetSelections();
3960     int len = selection.GetCount();
3961     for( int i = 0; i < len; i ++)
3962     {
3963         unsigned int row = selection[i];
3964         sel.Add( m_clientArea->GetItemByRow( row ) );
3965     }
3966     return len;
3967 }
3968
3969 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3970 {
3971     wxDataViewSelection selection(wxDataViewSelectionCmp);
3972
3973     wxDataViewItem last_parent;
3974
3975     int len = sel.GetCount();
3976     for( int i = 0; i < len; i ++ )
3977     {
3978         wxDataViewItem item = sel[i];
3979         wxDataViewItem parent = GetModel()->GetParent( item );
3980         if (parent)
3981         {
3982             if (parent != last_parent)
3983                 ExpandAncestors(item);
3984         }
3985
3986         last_parent = parent;
3987         int row = m_clientArea->GetRowByItem( item );
3988         if( row >= 0 )
3989             selection.Add( static_cast<unsigned int>(row) );
3990     }
3991
3992     m_clientArea->SetSelections( selection );
3993 }
3994
3995 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3996 {
3997     ExpandAncestors( item );
3998
3999     int row = m_clientArea->GetRowByItem( item );
4000     if( row >= 0 )
4001     {
4002         //Unselect all rows before select another in the single select mode
4003         if (m_clientArea->IsSingleSel())
4004             m_clientArea->SelectAllRows(false);
4005         m_clientArea->SelectRow(row, true);
4006     }
4007 }
4008
4009 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4010 {
4011     int row = m_clientArea->GetRowByItem( item );
4012     if( row >= 0 )
4013         m_clientArea->SelectRow(row, false);
4014 }
4015
4016 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4017 {
4018     int row = m_clientArea->GetRowByItem( item );
4019     if( row >= 0 )
4020     {
4021         return m_clientArea->IsRowSelected(row);
4022     }
4023     return false;
4024 }
4025
4026 //Selection code with row number as parameter
4027 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4028 {
4029     sel.Empty();
4030     wxDataViewSelection selection = m_clientArea->GetSelections();
4031     int len = selection.GetCount();
4032     for( int i = 0; i < len; i ++)
4033     {
4034         unsigned int row = selection[i];
4035         sel.Add( row );
4036     }
4037     return len;
4038 }
4039
4040 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4041 {
4042     wxDataViewSelection selection(wxDataViewSelectionCmp);
4043     int len = sel.GetCount();
4044     for( int i = 0; i < len; i ++ )
4045     {
4046         int row = sel[i];
4047         if( row >= 0 )
4048             selection.Add( static_cast<unsigned int>(row) );
4049     }
4050     m_clientArea->SetSelections( selection );
4051 }
4052
4053 void wxDataViewCtrl::Select( int row )
4054 {
4055     if( row >= 0 )
4056     {
4057         if (m_clientArea->IsSingleSel())
4058             m_clientArea->SelectAllRows(false);
4059         m_clientArea->SelectRow( row, true );
4060     }
4061 }
4062
4063 void wxDataViewCtrl::Unselect( int row )
4064 {
4065     if( row >= 0 )
4066         m_clientArea->SelectRow(row, false);
4067 }
4068
4069 bool wxDataViewCtrl::IsSelected( int row ) const
4070 {
4071     if( row >= 0 )
4072         return m_clientArea->IsRowSelected(row);
4073     return false;
4074 }
4075
4076 void wxDataViewCtrl::SelectRange( int from, int to )
4077 {
4078     wxArrayInt sel;
4079     for( int i = from; i < to; i ++ )
4080         sel.Add( i );
4081     m_clientArea->Select(sel);
4082 }
4083
4084 void wxDataViewCtrl::UnselectRange( int from, int to )
4085 {
4086     wxDataViewSelection sel = m_clientArea->GetSelections();
4087     for( int i = from; i < to; i ++ )
4088         if( sel.Index( i ) != wxNOT_FOUND )
4089             sel.Remove( i );
4090     m_clientArea->SetSelections(sel);
4091 }
4092
4093 void wxDataViewCtrl::SelectAll()
4094 {
4095     m_clientArea->SelectAllRows(true);
4096 }
4097
4098 void wxDataViewCtrl::UnselectAll()
4099 {
4100     m_clientArea->SelectAllRows(false);
4101 }
4102
4103 void wxDataViewCtrl::EnsureVisible( int row, int column )
4104 {
4105     if( row < 0 )
4106         row = 0;
4107     if( row > (int) m_clientArea->GetRowCount() )
4108         row = m_clientArea->GetRowCount();
4109
4110     int first = m_clientArea->GetFirstVisibleRow();
4111     int last = m_clientArea->GetLastVisibleRow();
4112     if( row < first )
4113         m_clientArea->ScrollTo( row, column );
4114     else if( row > last )
4115         m_clientArea->ScrollTo( row - last + first, column );
4116     else
4117         m_clientArea->ScrollTo( first, column );
4118 }
4119
4120 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4121 {
4122     ExpandAncestors( item );
4123
4124     m_clientArea->RecalculateDisplay();
4125
4126     int row = m_clientArea->GetRowByItem(item);
4127     if( row >= 0 )
4128     {
4129         if( column == NULL )
4130             EnsureVisible(row, -1);
4131         else
4132             EnsureVisible( row, GetColumnIndex(column) );
4133     }
4134
4135 }
4136
4137 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4138 {
4139     m_clientArea->HitTest(point, item, column);
4140 }
4141
4142 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4143 {
4144     return m_clientArea->GetItemRect(item, column);
4145 }
4146
4147 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4148 {
4149     return m_clientArea->GetItemByRow( row );
4150 }
4151
4152 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4153 {
4154     return m_clientArea->GetRowByItem( item );
4155 }
4156
4157 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4158 {
4159     int row = m_clientArea->GetRowByItem( item );
4160     if (row != -1)
4161         m_clientArea->Expand(row);
4162 }
4163
4164 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4165 {
4166     int row = m_clientArea->GetRowByItem( item );
4167     if (row != -1)
4168         m_clientArea->Collapse(row);
4169 }
4170
4171 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4172 {
4173     int row = m_clientArea->GetRowByItem( item );
4174     if (row != -1)
4175         return m_clientArea->IsExpanded(row);
4176     return false;
4177 }
4178
4179
4180  #endif
4181     // !wxUSE_GENERICDATAVIEWCTRL
4182
4183 #endif
4184     // wxUSE_DATAVIEWCTRL