]> git.saurik.com Git - wxWidgets.git/blob - src/generic/datavgen.cpp
projects / wxWidgets.git / blob
? search:


2cda56e24c5f66321cbc3604116ff73a7c5c02c2
[wxWidgets.git] / 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 #endif
38
39 #include "wx/stockitem.h"
40 #include "wx/calctrl.h"
41 #include "wx/popupwin.h"
42 #include "wx/renderer.h"
43 #include "wx/dcbuffer.h"
44 #include "wx/icon.h"
45 #include "wx/list.h"
46 #include "wx/listimpl.cpp"
47 #include "wx/imaglist.h"
48 #include "wx/headerctrl.h"
49
50 //-----------------------------------------------------------------------------
51 // classes
52 //-----------------------------------------------------------------------------
53
54 class wxDataViewCtrl;
55
56 static const int SCROLL_UNIT_X = 15;
57
58 // the cell padding on the left/right
59 static const int PADDING_RIGHTLEFT = 3;
60
61 // the expander space margin
62 static const int EXPANDER_MARGIN = 4;
63
64 #ifdef __WXMSW__
65 static const int EXPANDER_OFFSET = 4;
66 #else
67 static const int EXPANDER_OFFSET = 1;
68 #endif
69
70 //Below is the compare stuff
71 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
72 static wxDataViewModel * g_model;
73 static int g_column = -2;
74 static bool g_asending = true;
75
76 //-----------------------------------------------------------------------------
77 // wxDataViewHeaderWindow
78 //-----------------------------------------------------------------------------
79
80 class wxDataViewHeaderWindow : public wxHeaderCtrl
81 {
82 public:
83 wxDataViewHeaderWindow(wxDataViewCtrl *parent)
84 : wxHeaderCtrl(parent)
85 {
86 }
87
88 wxDataViewCtrl *GetOwner() const
89 { return static_cast<wxDataViewCtrl *>(GetParent()); }
90
91 protected:
92 // implement/override wxHeaderCtrl functions by forwarding them to the main
93 // control
94 virtual wxHeaderColumnBase& GetColumn(unsigned int idx)
95 {
96 return *(GetOwner()->GetColumn(idx));
97 }
98
99 virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
100 {
101 wxDataViewCtrl * const owner = GetOwner();
102
103 int widthContents = owner->GetBestColumnWidth(idx);
104 owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
105 owner->OnColumnChange(idx);
106
107 return true;
108 }
109
110 private:
111 bool SendEvent(wxEventType type, unsigned int n)
112 {
113 wxDataViewCtrl * const owner = GetOwner();
114 wxDataViewEvent event(type, owner->GetId());
115
116 event.SetEventObject(owner);
117 event.SetColumn(n);
118 event.SetDataViewColumn(owner->GetColumn(n));
119 event.SetModel(owner->GetModel());
120
121 // for events created by wxDataViewHeaderWindow the
122 // row / value fields are not valid
123 return owner->GetEventHandler()->ProcessEvent(event);
124 }
125
126 void OnClick(wxHeaderCtrlEvent& event)
127 {
128 if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK,
129 event.GetColumn()) )
130 event.Skip();
131 }
132
133 void OnRClick(wxHeaderCtrlEvent& event)
134 {
135 if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
136 event.GetColumn()) )
137 event.Skip();
138 }
139
140 void OnEndResize(wxHeaderCtrlEvent& event)
141 {
142 if ( !event.IsCancelled() )
143 {
144 const unsigned col = event.GetColumn();
145 GetColumn(col).SetWidth(event.GetWidth());
146 GetOwner()->OnColumnChange(col);
147 }
148 }
149
150 DECLARE_EVENT_TABLE()
151 DECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow)
152 };
153
154 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
155 EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
156 EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
157
158 EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnEndResize)
159 END_EVENT_TABLE()
160
161 //-----------------------------------------------------------------------------
162 // wxDataViewRenameTimer
163 //-----------------------------------------------------------------------------
164
165 class wxDataViewRenameTimer: public wxTimer
166 {
167 private:
168 wxDataViewMainWindow *m_owner;
169
170 public:
171 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
172 void Notify();
173 };
174
175 //-----------------------------------------------------------------------------
176 // wxDataViewTreeNode
177 //-----------------------------------------------------------------------------
178 class wxDataViewTreeNode;
179 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
180 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
181
182 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
183 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
184
185 class wxDataViewTreeNode
186 {
187 public:
188 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
189 {
190 m_parent = parent;
191 if (!parent)
192 m_open = true;
193 else
194 m_open = false;
195 m_hasChildren = false;
196 m_subTreeCount = 0;
197 }
198
199 ~wxDataViewTreeNode()
200 {
201 }
202
203 wxDataViewTreeNode * GetParent() const { return m_parent; }
204 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
205 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
206 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
207
208 void AddNode( wxDataViewTreeNode * node )
209 {
210 m_leaves.Add( node->GetItem().GetID() );
211 if (g_column >= -1)
212 m_leaves.Sort( &wxGenericTreeModelItemCmp );
213 m_nodes.Add( node );
214 if (g_column >= -1)
215 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
216 }
217 void AddLeaf( void * leaf )
218 {
219 m_leaves.Add( leaf );
220 if (g_column >= -1)
221 m_leaves.Sort( &wxGenericTreeModelItemCmp );
222 }
223
224 wxDataViewItem & GetItem() { return m_item; }
225 const wxDataViewItem & GetItem() const { return m_item; }
226 void SetItem( const wxDataViewItem & item ) { m_item = item; }
227
228 unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
229 unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
230 int GetIndentLevel() const
231 {
232 int ret = 0;
233 const wxDataViewTreeNode * node = this;
234 while( node->GetParent()->GetParent() != NULL )
235 {
236 node = node->GetParent();
237 ret ++;
238 }
239 return ret;
240 }
241
242 bool IsOpen() const
243 {
244 return m_open;
245 }
246
247 void ToggleOpen()
248 {
249 int len = m_nodes.GetCount();
250 int sum = 0;
251 for ( int i = 0;i < len; i ++)
252 sum += m_nodes[i]->GetSubTreeCount();
253
254 sum += m_leaves.GetCount();
255 if (m_open)
256 {
257 ChangeSubTreeCount(-sum);
258 m_open = !m_open;
259 }
260 else
261 {
262 m_open = !m_open;
263 ChangeSubTreeCount(sum);
264 }
265 }
266 bool HasChildren() const { return m_hasChildren; }
267 void SetHasChildren( bool has ){ m_hasChildren = has; }
268
269 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
270 int GetSubTreeCount() const { return m_subTreeCount; }
271 void ChangeSubTreeCount( int num )
272 {
273 if( !m_open )
274 return;
275 m_subTreeCount += num;
276 if( m_parent )
277 m_parent->ChangeSubTreeCount(num);
278 }
279
280 void Resort()
281 {
282 if (g_column >= -1)
283 {
284 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
285 int len = m_nodes.GetCount();
286 for (int i = 0; i < len; i ++)
287 m_nodes[i]->Resort();
288 m_leaves.Sort( &wxGenericTreeModelItemCmp );
289 }
290 }
291
292 private:
293 wxDataViewTreeNode *m_parent;
294 wxDataViewTreeNodes m_nodes;
295 wxDataViewTreeLeaves m_leaves;
296 wxDataViewItem m_item;
297 bool m_open;
298 bool m_hasChildren;
299 int m_subTreeCount;
300 };
301
302 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
303 {
304 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
305 }
306
307 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
308 {
309 return g_model->Compare( *id1, *id2, g_column, g_asending );
310 }
311
312
313
314 //-----------------------------------------------------------------------------
315 // wxDataViewMainWindow
316 //-----------------------------------------------------------------------------
317
318 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
319 WXDLLIMPEXP_ADV);
320 WX_DECLARE_LIST(wxDataViewItem, ItemList);
321 WX_DEFINE_LIST(ItemList)
322
323 class wxDataViewMainWindow: public wxWindow
324 {
325 public:
326 wxDataViewMainWindow( wxDataViewCtrl *parent,
327 wxWindowID id,
328 const wxPoint &pos = wxDefaultPosition,
329 const wxSize &size = wxDefaultSize,
330 const wxString &name = wxT("wxdataviewctrlmainwindow") );
331 virtual ~wxDataViewMainWindow();
332
333 bool IsVirtualList() const { return m_root == NULL; }
334
335 // notifications from wxDataViewModel
336 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
337 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
338 bool ItemChanged( const wxDataViewItem &item );
339 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
340 bool Cleared();
341 void Resort()
342 {
343 if (!IsVirtualList())
344 {
345 SortPrepare();
346 m_root->Resort();
347 }
348 UpdateDisplay();
349 }
350
351 void SortPrepare()
352 {
353 g_model = GetOwner()->GetModel();
354 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
355 if( !col )
356 {
357 if (g_model->HasDefaultCompare())
358 g_column = -1;
359 else
360 g_column = -2;
361
362 g_asending = true;
363 return;
364 }
365 g_column = col->GetModelColumn();
366 g_asending = col->IsSortOrderAscending();
367 }
368
369 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
370 wxDataViewCtrl *GetOwner() { return m_owner; }
371 const wxDataViewCtrl *GetOwner() const { return m_owner; }
372
373 void OnPaint( wxPaintEvent &event );
374 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
375 void OnChar( wxKeyEvent &event );
376 void OnMouse( wxMouseEvent &event );
377 void OnSetFocus( wxFocusEvent &event );
378 void OnKillFocus( wxFocusEvent &event );
379
380 void UpdateDisplay();
381 void RecalculateDisplay();
382 void OnInternalIdle();
383
384 void OnRenameTimer();
385
386 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
387 void ScrollTo( int rows, int column );
388
389 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
390 void ChangeCurrentRow( unsigned int row );
391
392 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
393 bool IsEmpty() { return GetRowCount() == 0; }
394
395 int GetCountPerPage() const;
396 int GetEndOfLastCol() const;
397 unsigned int GetFirstVisibleRow() const;
398 //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
399 unsigned int GetLastVisibleRow();
400 unsigned int GetRowCount();
401
402 wxDataViewItem GetSelection() const;
403 wxDataViewSelection GetSelections(){ return m_selection; }
404 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
405 void Select( const wxArrayInt& aSelections );
406 void SelectAllRows( bool on );
407 void SelectRow( unsigned int row, bool on );
408 void SelectRows( unsigned int from, unsigned int to, bool on );
409 void ReverseRowSelection( unsigned int row );
410 bool IsRowSelected( unsigned int row );
411 void SendSelectionChangedEvent( const wxDataViewItem& item);
412
413 void RefreshRow( unsigned int row );
414 void RefreshRows( unsigned int from, unsigned int to );
415 void RefreshRowsAfter( unsigned int firstRow );
416
417 // returns the colour to be used for drawing the rules
418 wxColour GetRuleColour() const
419 {
420 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
421 }
422
423 wxRect GetLineRect( unsigned int row ) const;
424
425 int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
426 int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
427 int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
428
429 //Some useful functions for row and item mapping
430 wxDataViewItem GetItemByRow( unsigned int row ) const;
431 int GetRowByItem( const wxDataViewItem & item ) const;
432
433 //Methods for building the mapping tree
434 void BuildTree( wxDataViewModel * model );
435 void DestroyTree();
436 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
437 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
438
439 void Expand( unsigned int row ) { OnExpanding( row ); }
440 void Collapse( unsigned int row ) { OnCollapsing( row ); }
441 private:
442 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
443 //We did not need this temporarily
444 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
445
446 int RecalculateCount();
447
448 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
449 void OnExpanding( unsigned int row );
450 void OnCollapsing( unsigned int row );
451
452 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
453
454 private:
455 wxDataViewCtrl *m_owner;
456 int m_lineHeight;
457 bool m_dirty;
458
459 wxDataViewColumn *m_currentCol;
460 unsigned int m_currentRow;
461 wxDataViewSelection m_selection;
462
463 wxDataViewRenameTimer *m_renameTimer;
464 bool m_lastOnSame;
465
466 bool m_hasFocus;
467
468 int m_dragCount;
469 wxPoint m_dragStart;
470
471 // for double click logic
472 unsigned int m_lineLastClicked,
473 m_lineBeforeLastClicked,
474 m_lineSelectSingleOnUp;
475
476 // the pen used to draw horiz/vertical rules
477 wxPen m_penRule;
478
479 // the pen used to draw the expander and the lines
480 wxPen m_penExpander;
481
482 //This is the tree structure of the model
483 wxDataViewTreeNode * m_root;
484 int m_count;
485 //This is the tree node under the cursor
486 wxDataViewTreeNode * m_underMouse;
487 private:
488 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
489 DECLARE_EVENT_TABLE()
490 };
491
492 // ---------------------------------------------------------
493 // wxGenericDataViewModelNotifier
494 // ---------------------------------------------------------
495
496 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
497 {
498 public:
499 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
500 { m_mainWindow = mainWindow; }
501
502 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
503 { return m_mainWindow->ItemAdded( parent , item ); }
504 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
505 { return m_mainWindow->ItemDeleted( parent, item ); }
506 virtual bool ItemChanged( const wxDataViewItem & item )
507 { return m_mainWindow->ItemChanged(item); }
508 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
509 { return m_mainWindow->ValueChanged( item, col ); }
510 virtual bool Cleared()
511 { return m_mainWindow->Cleared(); }
512 virtual void Resort()
513 { m_mainWindow->Resort(); }
514
515 wxDataViewMainWindow *m_mainWindow;
516 };
517
518 // ---------------------------------------------------------
519 // wxDataViewRenderer
520 // ---------------------------------------------------------
521
522 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
523
524 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
525 wxDataViewCellMode mode,
526 int align) :
527 wxDataViewRendererBase( varianttype, mode, align )
528 {
529 m_dc = NULL;
530 m_align = align;
531 m_mode = mode;
532 m_wantsAttr = false;
533 m_hasAttr = false;
534 }
535
536 wxDataViewRenderer::~wxDataViewRenderer()
537 {
538 if (m_dc)
539 delete m_dc;
540 }
541
542 wxDC *wxDataViewRenderer::GetDC()
543 {
544 if (m_dc == NULL)
545 {
546 if (GetOwner() == NULL)
547 return NULL;
548 if (GetOwner()->GetOwner() == NULL)
549 return NULL;
550 m_dc = new wxClientDC( GetOwner()->GetOwner() );
551 }
552
553 return m_dc;
554 }
555
556 void wxDataViewRenderer::SetAlignment( int align )
557 {
558 m_align=align;
559 }
560
561 int wxDataViewRenderer::GetAlignment() const
562 {
563 return m_align;
564 }
565
566 int wxDataViewRenderer::CalculateAlignment() const
567 {
568 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
569 {
570 if (GetOwner() == NULL)
571 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
572
573 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
574 }
575
576 return m_align;
577 }
578
579 // ---------------------------------------------------------
580 // wxDataViewCustomRenderer
581 // ---------------------------------------------------------
582
583 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
584
585 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
586 wxDataViewCellMode mode, int align ) :
587 wxDataViewRenderer( varianttype, mode, align )
588 {
589 }
590
591 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
592 {
593 wxDataViewCtrl *view = GetOwner()->GetOwner();
594 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
595 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
596 view->GetForegroundColour();
597 dc->SetTextForeground(col);
598 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
599 }
600
601 // ---------------------------------------------------------
602 // wxDataViewTextRenderer
603 // ---------------------------------------------------------
604
605 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
606
607 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
608 wxDataViewCellMode mode, int align ) :
609 wxDataViewCustomRenderer( varianttype, mode, align )
610 {
611 }
612
613 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
614 {
615 m_text = value.GetString();
616
617 return true;
618 }
619
620 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
621 {
622 return false;
623 }
624
625 bool wxDataViewTextRenderer::HasEditorCtrl()
626 {
627 return true;
628 }
629
630 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
631 wxRect labelRect, const wxVariant &value )
632 {
633 return new wxTextCtrl( parent, wxID_ANY, value,
634 wxPoint(labelRect.x,labelRect.y),
635 wxSize(labelRect.width,labelRect.height) );
636 }
637
638 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
639 {
640 wxTextCtrl *text = (wxTextCtrl*) editor;
641 value = text->GetValue();
642 return true;
643 }
644
645 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
646 {
647 RenderText( m_text, 0, cell, dc, state );
648 return true;
649 }
650
651 wxSize wxDataViewTextRenderer::GetSize() const
652 {
653 const wxDataViewCtrl *view = GetView();
654 if (!m_text.empty())
655 {
656 int x,y;
657 view->GetTextExtent( m_text, &x, &y );
658 return wxSize( x, y );
659 }
660 return wxSize(80,20);
661 }
662
663 // ---------------------------------------------------------
664 // wxDataViewTextRendererAttr
665 // ---------------------------------------------------------
666
667 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
668
669 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
670 wxDataViewCellMode mode, int align ) :
671 wxDataViewTextRenderer( varianttype, mode, align )
672 {
673 m_wantsAttr = true;
674 }
675
676 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
677 {
678 wxFont font;
679 wxColour colour;
680
681 if (m_hasAttr)
682 {
683 if (m_attr.HasColour())
684 {
685 colour = dc->GetTextForeground();
686 dc->SetTextForeground( m_attr.GetColour() );
687 }
688
689 if (m_attr.GetBold() || m_attr.GetItalic())
690 {
691 font = dc->GetFont();
692 wxFont myfont = font;
693 if (m_attr.GetBold())
694 myfont.SetWeight( wxFONTWEIGHT_BOLD );
695 if (m_attr.GetItalic())
696 myfont.SetStyle( wxFONTSTYLE_ITALIC );
697 dc->SetFont( myfont );
698 }
699 }
700
701 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
702
703 // restore dc
704 if (m_hasAttr)
705 {
706 if (m_attr.HasColour())
707 dc->SetTextForeground( colour );
708
709 if (m_attr.GetBold() || m_attr.GetItalic())
710 dc->SetFont( font );
711 }
712
713 return true;
714 }
715
716
717 // ---------------------------------------------------------
718 // wxDataViewBitmapRenderer
719 // ---------------------------------------------------------
720
721 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
722
723 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
724 wxDataViewCellMode mode, int align ) :
725 wxDataViewCustomRenderer( varianttype, mode, align )
726 {
727 }
728
729 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
730 {
731 if (value.GetType() == wxT("wxBitmap"))
732 m_bitmap << value;
733 if (value.GetType() == wxT("wxIcon"))
734 m_icon << value;
735
736 return true;
737 }
738
739 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
740 {
741 return false;
742 }
743
744 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
745 {
746 if (m_bitmap.Ok())
747 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
748 else if (m_icon.Ok())
749 dc->DrawIcon( m_icon, cell.x, cell.y );
750
751 return true;
752 }
753
754 wxSize wxDataViewBitmapRenderer::GetSize() const
755 {
756 if (m_bitmap.Ok())
757 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
758 else if (m_icon.Ok())
759 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
760
761 return wxSize(16,16);
762 }
763
764 // ---------------------------------------------------------
765 // wxDataViewToggleRenderer
766 // ---------------------------------------------------------
767
768 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
769
770 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
771 wxDataViewCellMode mode, int align ) :
772 wxDataViewCustomRenderer( varianttype, mode, align )
773 {
774 m_toggle = false;
775 }
776
777 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
778 {
779 m_toggle = value.GetBool();
780
781 return true;
782 }
783
784 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
785 {
786 return false;
787 }
788
789 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
790 {
791 // User wxRenderer here
792
793 wxRect rect;
794 rect.x = cell.x + cell.width/2 - 10;
795 rect.width = 20;
796 rect.y = cell.y + cell.height/2 - 10;
797 rect.height = 20;
798
799 int flags = 0;
800 if (m_toggle)
801 flags |= wxCONTROL_CHECKED;
802 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
803 flags |= wxCONTROL_DISABLED;
804
805 wxRendererNative::Get().DrawCheckBox(
806 GetOwner()->GetOwner(),
807 *dc,
808 rect,
809 flags );
810
811 return true;
812 }
813
814 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
815 wxDataViewModel *model,
816 const wxDataViewItem & item, unsigned int col)
817 {
818 bool value = !m_toggle;
819 wxVariant variant = value;
820 model->SetValue( variant, item, col);
821 model->ValueChanged( item, col );
822 return true;
823 }
824
825 wxSize wxDataViewToggleRenderer::GetSize() const
826 {
827 return wxSize(20,20);
828 }
829
830 // ---------------------------------------------------------
831 // wxDataViewProgressRenderer
832 // ---------------------------------------------------------
833
834 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
835
836 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
837 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
838 wxDataViewCustomRenderer( varianttype, mode, align )
839 {
840 m_label = label;
841 m_value = 0;
842 }
843
844 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
845 {
846 }
847
848 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
849 {
850 m_value = (long) value;
851
852 if (m_value < 0) m_value = 0;
853 if (m_value > 100) m_value = 100;
854
855 return true;
856 }
857
858 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
859 {
860 value = (long) m_value;
861 return true;
862 }
863
864 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
865 {
866 double pct = (double)m_value / 100.0;
867 wxRect bar = cell;
868 bar.width = (int)(cell.width * pct);
869 dc->SetPen( *wxTRANSPARENT_PEN );
870 dc->SetBrush( *wxBLUE_BRUSH );
871 dc->DrawRectangle( bar );
872
873 dc->SetBrush( *wxTRANSPARENT_BRUSH );
874 dc->SetPen( *wxBLACK_PEN );
875 dc->DrawRectangle( cell );
876
877 return true;
878 }
879
880 wxSize wxDataViewProgressRenderer::GetSize() const
881 {
882 return wxSize(40,12);
883 }
884
885 // ---------------------------------------------------------
886 // wxDataViewDateRenderer
887 // ---------------------------------------------------------
888
889 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
890
891 #if wxUSE_DATE_RENDERER_POPUP
892
893 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
894 {
895 public:
896 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
897 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
898 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
899 m_item( item )
900 {
901 m_model = model;
902 m_col = col;
903 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
904 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
905 sizer->Add( m_cal, 1, wxGROW );
906 SetSizer( sizer );
907 sizer->Fit( this );
908 }
909
910 void OnCalendar( wxCalendarEvent &event );
911
912 wxCalendarCtrl *m_cal;
913 wxDataViewModel *m_model;
914 unsigned int m_col;
915 const wxDataViewItem & m_item;
916
917 protected:
918 virtual void OnDismiss()
919 {
920 }
921
922 private:
923 DECLARE_EVENT_TABLE()
924 };
925
926 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
927 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
928 END_EVENT_TABLE()
929
930 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
931 {
932 wxDateTime date = event.GetDate();
933 wxVariant value = date;
934 m_model->SetValue( value, m_item, m_col );
935 m_model->ValueChanged( m_item, m_col );
936 DismissAndNotify();
937 }
938
939 #endif // wxUSE_DATE_RENDERER_POPUP
940
941 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
942
943 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
944 wxDataViewCellMode mode, int align ) :
945 wxDataViewCustomRenderer( varianttype, mode, align )
946 {
947 }
948
949 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
950 {
951 m_date = value.GetDateTime();
952
953 return true;
954 }
955
956 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
957 {
958 value = m_date;
959 return true;
960 }
961
962 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
963 {
964 wxString tmp = m_date.FormatDate();
965 RenderText( tmp, 0, cell, dc, state );
966 return true;
967 }
968
969 wxSize wxDataViewDateRenderer::GetSize() const
970 {
971 const wxDataViewCtrl* view = GetView();
972 wxString tmp = m_date.FormatDate();
973 wxCoord x,y,d;
974 view->GetTextExtent( tmp, &x, &y, &d );
975 return wxSize(x,y+d);
976 }
977
978 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
979 const wxDataViewItem & item, unsigned int col )
980 {
981 wxVariant variant;
982 model->GetValue( variant, item, col );
983 wxDateTime value = variant.GetDateTime();
984
985 #if wxUSE_DATE_RENDERER_POPUP
986 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
987 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
988 wxPoint pos = wxGetMousePosition();
989 popup->Move( pos );
990 popup->Layout();
991 popup->Popup( popup->m_cal );
992 #else // !wxUSE_DATE_RENDERER_POPUP
993 wxMessageBox(value.Format());
994 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
995 return true;
996 }
997
998 // ---------------------------------------------------------
999 // wxDataViewIconTextRenderer
1000 // ---------------------------------------------------------
1001
1002 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1003
1004 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1005 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1006 wxDataViewCustomRenderer( varianttype, mode, align )
1007 {
1008 SetMode(mode);
1009 SetAlignment(align);
1010 }
1011
1012 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1013 {
1014 }
1015
1016 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1017 {
1018 m_value << value;
1019 return true;
1020 }
1021
1022 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1023 {
1024 return false;
1025 }
1026
1027 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1028 {
1029 int xoffset = 0;
1030 const wxIcon &icon = m_value.GetIcon();
1031 if (icon.IsOk())
1032 {
1033 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1034 xoffset = icon.GetWidth()+4;
1035 }
1036
1037 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1038
1039 return true;
1040 }
1041
1042 wxSize wxDataViewIconTextRenderer::GetSize() const
1043 {
1044 const wxDataViewCtrl *view = GetView();
1045 if (!m_value.GetText().empty())
1046 {
1047 int x,y;
1048 view->GetTextExtent( m_value.GetText(), &x, &y );
1049
1050 if (m_value.GetIcon().IsOk())
1051 x += m_value.GetIcon().GetWidth() + 4;
1052 return wxSize( x, y );
1053 }
1054 return wxSize(80,20);
1055 }
1056
1057 wxControl *
1058 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1059 wxRect WXUNUSED(labelRect),
1060 const wxVariant& WXUNUSED(value))
1061 {
1062 return NULL;
1063 }
1064
1065 bool
1066 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1067 wxVariant& WXUNUSED(value))
1068 {
1069 return false;
1070 }
1071
1072 //-----------------------------------------------------------------------------
1073 // wxDataViewRenameTimer
1074 //-----------------------------------------------------------------------------
1075
1076 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1077 {
1078 m_owner = owner;
1079 }
1080
1081 void wxDataViewRenameTimer::Notify()
1082 {
1083 m_owner->OnRenameTimer();
1084 }
1085
1086 //-----------------------------------------------------------------------------
1087 // wxDataViewMainWindow
1088 //-----------------------------------------------------------------------------
1089
1090 //The tree building helper, declared firstly
1091 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1092
1093 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1094 {
1095 if (row1 > row2) return 1;
1096 if (row1 == row2) return 0;
1097 return -1;
1098 }
1099
1100
1101 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1102
1103 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1104 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1105 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1106 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1107 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1108 EVT_CHAR (wxDataViewMainWindow::OnChar)
1109 END_EVENT_TABLE()
1110
1111 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1112 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1113 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1114 m_selection( wxDataViewSelectionCmp )
1115
1116 {
1117 SetOwner( parent );
1118
1119 m_lastOnSame = false;
1120 m_renameTimer = new wxDataViewRenameTimer( this );
1121
1122 // TODO: user better initial values/nothing selected
1123 m_currentCol = NULL;
1124 m_currentRow = 0;
1125
1126 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1127
1128 m_dragCount = 0;
1129 m_dragStart = wxPoint(0,0);
1130 m_lineLastClicked = (unsigned int) -1;
1131 m_lineBeforeLastClicked = (unsigned int) -1;
1132 m_lineSelectSingleOnUp = (unsigned int) -1;
1133
1134 m_hasFocus = false;
1135
1136 SetBackgroundColour( *wxWHITE );
1137
1138 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1139
1140 m_penRule = wxPen(GetRuleColour());
1141
1142 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1143 m_penExpander = wxPen(wxColour(0,0,0));
1144 //Some new added code to deal with the tree structure
1145 m_root = new wxDataViewTreeNode( NULL );
1146 m_root->SetHasChildren(true);
1147
1148 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1149 m_count = -1;
1150 m_underMouse = NULL;
1151 UpdateDisplay();
1152 }
1153
1154 wxDataViewMainWindow::~wxDataViewMainWindow()
1155 {
1156 DestroyTree();
1157 delete m_renameTimer;
1158 }
1159
1160 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1161 {
1162 wxDataViewModel *model = GetOwner()->GetModel();
1163 wxAutoBufferedPaintDC dc( this );
1164
1165 #ifdef __WXMSW__
1166 dc.SetPen( *wxTRANSPARENT_PEN );
1167 dc.SetBrush( wxBrush( GetBackgroundColour()) );
1168 dc.SetBrush( *wxWHITE_BRUSH );
1169 wxSize size( GetClientSize() );
1170 dc.DrawRectangle( 0,0,size.x,size.y );
1171 #endif
1172
1173 // prepare the DC
1174 GetOwner()->PrepareDC( dc );
1175 dc.SetFont( GetFont() );
1176
1177 wxRect update = GetUpdateRegion().GetBox();
1178 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1179
1180 // compute which items needs to be redrawn
1181 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1182 unsigned int item_count =
1183 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1184 (int)(GetRowCount( ) - item_start));
1185 unsigned int item_last = item_start + item_count;
1186
1187 // compute which columns needs to be redrawn
1188 unsigned int cols = GetOwner()->GetColumnCount();
1189 unsigned int col_start = 0;
1190 unsigned int x_start;
1191 for (x_start = 0; col_start < cols; col_start++)
1192 {
1193 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
1194 if (col->IsHidden())
1195 continue; // skip it!
1196
1197 unsigned int w = col->GetWidth();
1198 if (x_start+w >= (unsigned int)update.x)
1199 break;
1200
1201 x_start += w;
1202 }
1203
1204 unsigned int col_last = col_start;
1205 unsigned int x_last = x_start;
1206 for (; col_last < cols; col_last++)
1207 {
1208 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
1209 if (col->IsHidden())
1210 continue; // skip it!
1211
1212 if (x_last > (unsigned int)update.GetRight())
1213 break;
1214
1215 x_last += col->GetWidth();
1216 }
1217
1218 // Draw horizontal rules if required
1219 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1220 {
1221 dc.SetPen(m_penRule);
1222 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1223
1224 for (unsigned int i = item_start; i <= item_last+1; i++)
1225 {
1226 int y = GetLineStart( i );
1227 dc.DrawLine(x_start, y, x_last, y);
1228 }
1229 }
1230
1231 // Draw vertical rules if required
1232 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1233 {
1234 dc.SetPen(m_penRule);
1235 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1236
1237 int x = x_start;
1238 for (unsigned int i = col_start; i < col_last; i++)
1239 {
1240 wxDataViewColumn *col = GetOwner()->GetColumn(i);
1241 if (col->IsHidden())
1242 continue; // skip it
1243
1244 dc.DrawLine(x, GetLineStart( item_start ),
1245 x, GetLineStart( item_last ) );
1246
1247 x += col->GetWidth();
1248 }
1249
1250 // Draw last vertical rule
1251 dc.DrawLine(x, GetLineStart( item_start ),
1252 x, GetLineStart( item_last ) );
1253 }
1254
1255 // redraw the background for the items which are selected/current
1256 for (unsigned int item = item_start; item < item_last; item++)
1257 {
1258 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1259 if (selected || item == m_currentRow)
1260 {
1261 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1262 if (item == m_currentRow)
1263 flags |= wxCONTROL_CURRENT;
1264 if (m_hasFocus)
1265 flags |= wxCONTROL_FOCUSED;
1266
1267 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1268 wxRendererNative::Get().DrawItemSelectionRect
1269 (
1270 this,
1271 dc,
1272 rect,
1273 flags
1274 );
1275 }
1276 }
1277
1278 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1279 if (!expander)
1280 {
1281 // TODO: last column for RTL support
1282 expander = GetOwner()->GetColumn( 0 );
1283 GetOwner()->SetExpanderColumn(expander);
1284 }
1285
1286 // redraw all cells for all rows which must be repainted and all columns
1287 wxRect cell_rect;
1288 cell_rect.x = x_start;
1289 for (unsigned int i = col_start; i < col_last; i++)
1290 {
1291
1292 wxDataViewColumn *col = GetOwner()->GetColumn( i );
1293 wxDataViewRenderer *cell = col->GetRenderer();
1294 cell_rect.width = col->GetWidth();
1295
1296 if (col->IsHidden())
1297 continue; // skip it!
1298
1299 for (unsigned int item = item_start; item < item_last; item++)
1300 {
1301 // get the cell value and set it into the renderer
1302 wxVariant value;
1303 wxDataViewTreeNode *node = NULL;
1304 wxDataViewItem dataitem;
1305
1306 if (!IsVirtualList())
1307 {
1308 node = GetTreeNodeByRow(item);
1309 if( node == NULL )
1310 continue;
1311
1312 dataitem = node->GetItem();
1313
1314 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
1315 continue;
1316 }
1317 else
1318 {
1319 dataitem = wxDataViewItem( wxUIntToPtr(item) );
1320 }
1321
1322 model->GetValue( value, dataitem, col->GetModelColumn());
1323 cell->SetValue( value );
1324
1325 if (cell->GetWantsAttr())
1326 {
1327 wxDataViewItemAttr attr;
1328 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1329 if (ret)
1330 cell->SetAttr( attr );
1331 cell->SetHasAttr( ret );
1332 }
1333
1334 // update cell_rect
1335 cell_rect.y = GetLineStart( item );
1336 cell_rect.height = GetLineHeight( item ); // -1 is for the horizontal rules (?)
1337
1338 //Draw the expander here.
1339 int indent = 0;
1340 if ((!IsVirtualList()) && (col == expander))
1341 {
1342 indent = node->GetIndentLevel();
1343
1344 //Calculate the indent first
1345 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1346
1347 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1348 // change the cell_rect.x to the appropriate pos
1349 int expander_x = indent + EXPANDER_MARGIN;
1350 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET;
1351 indent = indent + m_lineHeight; //try to use the m_lineHeight as the expander space
1352 dc.SetPen( m_penExpander );
1353 dc.SetBrush( wxNullBrush );
1354 if( node->HasChildren() )
1355 {
1356 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1357 int flag = 0;
1358 if (m_underMouse == node)
1359 {
1360 flag |= wxCONTROL_CURRENT;
1361 }
1362 if( node->IsOpen() )
1363 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
1364 else
1365 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1366 }
1367 //force the expander column to left-center align
1368 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1369 }
1370 if (node && !node->HasChildren())
1371 {
1372 // Yes, if the node does not have any child, it must be a leaf which
1373 // mean that it is a temporarily created by GetTreeNodeByRow
1374 wxDELETE(node);
1375 }
1376
1377 // cannot be bigger than allocated space
1378 wxSize size = cell->GetSize();
1379 // Because of the tree structure indent, here we should minus the width of the cell for drawing
1380 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1381 // size.y = wxMin( size.y, cell_rect.height );
1382 size.y = cell_rect.height;
1383
1384 wxRect item_rect(cell_rect.GetTopLeft(), size);
1385 int align = cell->CalculateAlignment();
1386
1387 // horizontal alignment:
1388 item_rect.x = cell_rect.x;
1389 if (align & wxALIGN_CENTER_HORIZONTAL)
1390 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1391 else if (align & wxALIGN_RIGHT)
1392 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1393 //else: wxALIGN_LEFT is the default
1394
1395 // vertical alignment:
1396 item_rect.y = cell_rect.y;
1397 if (align & wxALIGN_CENTER_VERTICAL)
1398 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1399 else if (align & wxALIGN_BOTTOM)
1400 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1401 //else: wxALIGN_TOP is the default
1402
1403 // add padding
1404 item_rect.x += PADDING_RIGHTLEFT;
1405 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1406
1407 //Here we add the tree indent
1408 item_rect.x += indent;
1409
1410 int state = 0;
1411 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1412 state |= wxDATAVIEW_CELL_SELECTED;
1413
1414 // TODO: it would be much more efficient to create a clipping
1415 // region for the entire column being rendered (in the OnPaint
1416 // of wxDataViewMainWindow) instead of a single clip region for
1417 // each cell. However it would mean that each renderer should
1418 // respect the given wxRect's top & bottom coords, eventually
1419 // violating only the left & right coords - however the user can
1420 // make its own renderer and thus we cannot be sure of that.
1421 dc.SetClippingRegion( item_rect );
1422 cell->Render( item_rect, &dc, state );
1423 dc.DestroyClippingRegion();
1424 }
1425
1426 cell_rect.x += cell_rect.width;
1427 }
1428 }
1429
1430 void wxDataViewMainWindow::OnRenameTimer()
1431 {
1432 // We have to call this here because changes may just have
1433 // been made and no screen update taken place.
1434 if ( m_dirty )
1435 wxSafeYield();
1436
1437 int xpos = 0;
1438 unsigned int cols = GetOwner()->GetColumnCount();
1439 unsigned int i;
1440 for (i = 0; i < cols; i++)
1441 {
1442 wxDataViewColumn *c = GetOwner()->GetColumn( i );
1443 if (c->IsHidden())
1444 continue; // skip it!
1445
1446 if (c == m_currentCol)
1447 break;
1448 xpos += c->GetWidth();
1449 }
1450 wxRect labelRect( xpos,
1451 GetLineStart( m_currentRow ),
1452 m_currentCol->GetWidth(),
1453 GetLineHeight( m_currentRow ) );
1454
1455 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1456 &labelRect.x, &labelRect.y);
1457
1458 wxDataViewItem item = GetItemByRow( m_currentRow );
1459 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1460
1461 }
1462
1463 //------------------------------------------------------------------
1464 // Helper class for do operation on the tree node
1465 //------------------------------------------------------------------
1466 class DoJob
1467 {
1468 public:
1469 DoJob() { }
1470 virtual ~DoJob() { }
1471
1472 //The return value control how the tree-walker tranverse the tree
1473 // 0: Job done, stop tranverse and return
1474 // 1: Ignore the current node's subtree and continue
1475 // 2: Job not done, continue
1476 enum { OK = 0 , IGR = 1, CONT = 2 };
1477 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1478 virtual int operator() ( void * n ) = 0;
1479 };
1480
1481 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1482 {
1483 if( node==NULL )
1484 return false;
1485
1486 switch( func( node ) )
1487 {
1488 case DoJob::OK :
1489 return true;
1490 case DoJob::IGR:
1491 return false;
1492 case DoJob::CONT:
1493 default:
1494 ;
1495 }
1496
1497 wxDataViewTreeNodes nodes = node->GetNodes();
1498 wxDataViewTreeLeaves leaves = node->GetChildren();
1499
1500 int len_nodes = nodes.GetCount();
1501 int len = leaves.GetCount();
1502 int i = 0, nodes_i = 0;
1503
1504 for(; i < len; i ++ )
1505 {
1506 void * n = leaves[i];
1507 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1508 {
1509 wxDataViewTreeNode * nd = nodes[nodes_i];
1510 nodes_i++;
1511
1512 if( Walker( nd , func ) )
1513 return true;
1514
1515 }
1516 else
1517 switch( func( n ) )
1518 {
1519 case DoJob::OK :
1520 return true;
1521 case DoJob::IGR:
1522 continue;
1523 case DoJob::CONT:
1524 default:
1525 ;
1526 }
1527 }
1528 return false;
1529 }
1530
1531 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1532 {
1533 if (!m_root)
1534 {
1535 m_count++;
1536 UpdateDisplay();
1537 return true;
1538 }
1539
1540 SortPrepare();
1541
1542 wxDataViewTreeNode * node;
1543 node = FindNode(parent);
1544
1545 if( node == NULL )
1546 return false;
1547
1548 node->SetHasChildren( true );
1549
1550 if( g_model->IsContainer( item ) )
1551 {
1552 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1553 newnode->SetItem(item);
1554 newnode->SetHasChildren( true );
1555 node->AddNode( newnode);
1556 }
1557 else
1558 node->AddLeaf( item.GetID() );
1559
1560 node->ChangeSubTreeCount(1);
1561
1562 m_count = -1;
1563 UpdateDisplay();
1564
1565 return true;
1566 }
1567
1568 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1569
1570 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1571 const wxDataViewItem& item)
1572 {
1573 if (!m_root)
1574 {
1575 m_count--;
1576 if( m_currentRow > GetRowCount() )
1577 m_currentRow = m_count - 1;
1578
1579 m_selection.Empty();
1580
1581 UpdateDisplay();
1582
1583 return true;
1584 }
1585
1586 wxDataViewTreeNode * node = FindNode(parent);
1587
1588 wxCHECK_MSG( node != NULL, false, "item not found" );
1589 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
1590
1591 int sub = -1;
1592 node->GetChildren().Remove( item.GetID() );
1593 //Manuplate selection
1594 if( m_selection.GetCount() > 1 )
1595 {
1596 m_selection.Empty();
1597 }
1598 bool isContainer = false;
1599 wxDataViewTreeNodes nds = node->GetNodes();
1600 for (size_t i = 0; i < nds.GetCount(); i ++)
1601 {
1602 if (nds[i]->GetItem() == item)
1603 {
1604 isContainer = true;
1605 break;
1606 }
1607 }
1608 if( isContainer )
1609 {
1610 wxDataViewTreeNode * n = NULL;
1611 wxDataViewTreeNodes nodes = node->GetNodes();
1612 int len = nodes.GetCount();
1613 for( int i = 0; i < len; i ++)
1614 {
1615 if( nodes[i]->GetItem() == item )
1616 {
1617 n = nodes[i];
1618 break;
1619 }
1620 }
1621
1622 wxCHECK_MSG( n != NULL, false, "item not found" );
1623
1624 node->GetNodes().Remove( n );
1625 sub -= n->GetSubTreeCount();
1626 ::DestroyTreeHelper(n);
1627 }
1628 //Make the row number invalid and get a new valid one when user call GetRowCount
1629 m_count = -1;
1630 node->ChangeSubTreeCount(sub);
1631
1632 //Change the current row to the last row if the current exceed the max row number
1633 if( m_currentRow > GetRowCount() )
1634 m_currentRow = m_count - 1;
1635
1636 UpdateDisplay();
1637
1638 return true;
1639 }
1640
1641 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
1642 {
1643 SortPrepare();
1644 g_model->Resort();
1645
1646 //Send event
1647 wxWindow *parent = GetParent();
1648 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
1649 le.SetEventObject(parent);
1650 le.SetModel(GetOwner()->GetModel());
1651 le.SetItem(item);
1652 parent->GetEventHandler()->ProcessEvent(le);
1653
1654 return true;
1655 }
1656
1657 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
1658 {
1659 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
1660 /*#define MAX_VIRTUAL_WIDTH 100000
1661
1662 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
1663 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1664 Refresh( true, &rect );
1665
1666 return true;
1667 */
1668 SortPrepare();
1669 g_model->Resort();
1670
1671 //Send event
1672 wxWindow *parent = GetParent();
1673 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
1674 le.SetEventObject(parent);
1675 le.SetModel(GetOwner()->GetModel());
1676 le.SetItem(item);
1677 le.SetColumn(col);
1678 le.SetDataViewColumn(GetOwner()->GetColumn(col));
1679 parent->GetEventHandler()->ProcessEvent(le);
1680
1681 return true;
1682 }
1683
1684 bool wxDataViewMainWindow::Cleared()
1685 {
1686 DestroyTree();
1687
1688 SortPrepare();
1689 BuildTree( GetOwner()->GetModel() );
1690
1691 UpdateDisplay();
1692
1693 return true;
1694 }
1695
1696 void wxDataViewMainWindow::UpdateDisplay()
1697 {
1698 m_dirty = true;
1699 }
1700
1701 void wxDataViewMainWindow::OnInternalIdle()
1702 {
1703 wxWindow::OnInternalIdle();
1704
1705 if (m_dirty)
1706 {
1707 RecalculateDisplay();
1708 m_dirty = false;
1709 }
1710 }
1711
1712 void wxDataViewMainWindow::RecalculateDisplay()
1713 {
1714 wxDataViewModel *model = GetOwner()->GetModel();
1715 if (!model)
1716 {
1717 Refresh();
1718 return;
1719 }
1720
1721 int width = GetEndOfLastCol();
1722 int height = GetLineStart( GetRowCount() );
1723
1724 SetVirtualSize( width, height );
1725 GetOwner()->SetScrollRate( 10, m_lineHeight );
1726
1727 Refresh();
1728 }
1729
1730 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
1731 {
1732 wxWindow::ScrollWindow( dx, dy, rect );
1733
1734 if (GetOwner()->m_headerArea)
1735 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
1736 }
1737
1738 void wxDataViewMainWindow::ScrollTo( int rows, int column )
1739 {
1740 int x, y;
1741 m_owner->GetScrollPixelsPerUnit( &x, &y );
1742 int sy = GetLineStart( rows )/y;
1743 int sx = 0;
1744 if( column != -1 )
1745 {
1746 wxRect rect = GetClientRect();
1747 int colnum = 0;
1748 int x_start, w = 0;
1749 int xx, yy, xe;
1750 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
1751 for (x_start = 0; colnum < column; colnum++)
1752 {
1753 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
1754 if (col->IsHidden())
1755 continue; // skip it!
1756
1757 w = col->GetWidth();
1758 x_start += w;
1759 }
1760
1761 int x_end = x_start + w;
1762 xe = xx + rect.width;
1763 if( x_end > xe )
1764 {
1765 sx = ( xx + x_end - xe )/x;
1766 }
1767 if( x_start < xx )
1768 {
1769 sx = x_start/x;
1770 }
1771 }
1772 m_owner->Scroll( sx, sy );
1773 }
1774
1775 int wxDataViewMainWindow::GetCountPerPage() const
1776 {
1777 wxSize size = GetClientSize();
1778 return size.y / m_lineHeight;
1779 }
1780
1781 int wxDataViewMainWindow::GetEndOfLastCol() const
1782 {
1783 int width = 0;
1784 unsigned int i;
1785 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
1786 {
1787 const wxDataViewColumn *c =
1788 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumn( i );
1789
1790 if (!c->IsHidden())
1791 width += c->GetWidth();
1792 }
1793 return width;
1794 }
1795
1796 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
1797 {
1798 int x = 0;
1799 int y = 0;
1800 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
1801
1802 return GetLineAt( y );
1803 }
1804
1805 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
1806 {
1807 wxSize client_size = GetClientSize();
1808 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
1809 &client_size.x, &client_size.y );
1810
1811 //we should deal with the pixel here
1812 unsigned int row = GetLineAt(client_size.y) - 1;
1813
1814 return wxMin( GetRowCount()-1, row );
1815 }
1816
1817 unsigned int wxDataViewMainWindow::GetRowCount()
1818 {
1819 if ( m_count == -1 )
1820 {
1821 m_count = RecalculateCount();
1822 UpdateDisplay();
1823 }
1824 return m_count;
1825 }
1826
1827 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
1828 {
1829 m_currentRow = row;
1830
1831 // send event
1832 }
1833
1834 void wxDataViewMainWindow::SelectAllRows( bool on )
1835 {
1836 if (IsEmpty())
1837 return;
1838
1839 if (on)
1840 {
1841 m_selection.Clear();
1842 for (unsigned int i = 0; i < GetRowCount(); i++)
1843 m_selection.Add( i );
1844 Refresh();
1845 }
1846 else
1847 {
1848 unsigned int first_visible = GetFirstVisibleRow();
1849 unsigned int last_visible = GetLastVisibleRow();
1850 unsigned int i;
1851 for (i = 0; i < m_selection.GetCount(); i++)
1852 {
1853 unsigned int row = m_selection[i];
1854 if ((row >= first_visible) && (row <= last_visible))
1855 RefreshRow( row );
1856 }
1857 m_selection.Clear();
1858 }
1859 }
1860
1861 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
1862 {
1863 if (m_selection.Index( row ) == wxNOT_FOUND)
1864 {
1865 if (on)
1866 {
1867 m_selection.Add( row );
1868 RefreshRow( row );
1869 }
1870 }
1871 else
1872 {
1873 if (!on)
1874 {
1875 m_selection.Remove( row );
1876 RefreshRow( row );
1877 }
1878 }
1879 }
1880
1881 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
1882 {
1883 if (from > to)
1884 {
1885 unsigned int tmp = from;
1886 from = to;
1887 to = tmp;
1888 }
1889
1890 unsigned int i;
1891 for (i = from; i <= to; i++)
1892 {
1893 if (m_selection.Index( i ) == wxNOT_FOUND)
1894 {
1895 if (on)
1896 m_selection.Add( i );
1897 }
1898 else
1899 {
1900 if (!on)
1901 m_selection.Remove( i );
1902 }
1903 }
1904 RefreshRows( from, to );
1905 }
1906
1907 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
1908 {
1909 for (size_t i=0; i < aSelections.GetCount(); i++)
1910 {
1911 int n = aSelections[i];
1912
1913 m_selection.Add( n );
1914 RefreshRow( n );
1915 }
1916 }
1917
1918 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
1919 {
1920 if (m_selection.Index( row ) == wxNOT_FOUND)
1921 m_selection.Add( row );
1922 else
1923 m_selection.Remove( row );
1924 RefreshRow( row );
1925 }
1926
1927 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
1928 {
1929 return (m_selection.Index( row ) != wxNOT_FOUND);
1930 }
1931
1932 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
1933 {
1934 wxWindow *parent = GetParent();
1935 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
1936
1937 le.SetEventObject(parent);
1938 le.SetModel(GetOwner()->GetModel());
1939 le.SetItem( item );
1940
1941 parent->GetEventHandler()->ProcessEvent(le);
1942 }
1943
1944 void wxDataViewMainWindow::RefreshRow( unsigned int row )
1945 {
1946 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
1947 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1948
1949 wxSize client_size = GetClientSize();
1950 wxRect client_rect( 0, 0, client_size.x, client_size.y );
1951 wxRect intersect_rect = client_rect.Intersect( rect );
1952 if (intersect_rect.width > 0)
1953 Refresh( true, &intersect_rect );
1954 }
1955
1956 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
1957 {
1958 if (from > to)
1959 {
1960 unsigned int tmp = to;
1961 to = from;
1962 from = tmp;
1963 }
1964
1965 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
1966 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1967
1968 wxSize client_size = GetClientSize();
1969 wxRect client_rect( 0, 0, client_size.x, client_size.y );
1970 wxRect intersect_rect = client_rect.Intersect( rect );
1971 if (intersect_rect.width > 0)
1972 Refresh( true, &intersect_rect );
1973 }
1974
1975 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
1976 {
1977 wxSize client_size = GetClientSize();
1978 int start = GetLineStart( firstRow );
1979 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
1980 if (start > client_size.y) return;
1981
1982 wxRect rect( 0, start, client_size.x, client_size.y - start );
1983
1984 Refresh( true, &rect );
1985 }
1986
1987 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
1988 {
1989 wxCHECK_RET( newCurrent < GetRowCount(),
1990 _T("invalid item index in OnArrowChar()") );
1991
1992 // if there is no selection, we cannot move it anywhere
1993 if (!HasCurrentRow())
1994 return;
1995
1996 unsigned int oldCurrent = m_currentRow;
1997
1998 // in single selection we just ignore Shift as we can't select several
1999 // items anyhow
2000 if ( event.ShiftDown() && !IsSingleSel() )
2001 {
2002 RefreshRow( oldCurrent );
2003
2004 ChangeCurrentRow( newCurrent );
2005
2006 // select all the items between the old and the new one
2007 if ( oldCurrent > newCurrent )
2008 {
2009 newCurrent = oldCurrent;
2010 oldCurrent = m_currentRow;
2011 }
2012
2013 SelectRows( oldCurrent, newCurrent, true );
2014 if (oldCurrent!=newCurrent)
2015 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2016 }
2017 else // !shift
2018 {
2019 RefreshRow( oldCurrent );
2020
2021 // all previously selected items are unselected unless ctrl is held
2022 if ( !event.ControlDown() )
2023 SelectAllRows(false);
2024
2025 ChangeCurrentRow( newCurrent );
2026
2027 if ( !event.ControlDown() )
2028 {
2029 SelectRow( m_currentRow, true );
2030 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2031 }
2032 else
2033 RefreshRow( m_currentRow );
2034 }
2035
2036 GetOwner()->EnsureVisible( m_currentRow, -1 );
2037 }
2038
2039 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2040 {
2041 wxRect rect;
2042 rect.x = 0;
2043 rect.y = GetLineStart( row );
2044 rect.width = GetEndOfLastCol();
2045 rect.height = GetLineHeight( row );
2046
2047 return rect;
2048 }
2049
2050 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2051 {
2052 const wxDataViewModel *model = GetOwner()->GetModel();
2053
2054 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2055 {
2056 // TODO make more efficient
2057
2058 int start = 0;
2059
2060 unsigned int r;
2061 for (r = 0; r < row; r++)
2062 {
2063 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2064 if (!node) return start;
2065
2066 wxDataViewItem item = node->GetItem();
2067
2068 if (node && !node->HasChildren())
2069 {
2070 // Yes, if the node does not have any child, it must be a leaf which
2071 // mean that it is a temporarily created by GetTreeNodeByRow
2072 wxDELETE(node);
2073 }
2074
2075 unsigned int cols = GetOwner()->GetColumnCount();
2076 unsigned int col;
2077 int height = m_lineHeight;
2078 for (col = 0; col < cols; col++)
2079 {
2080 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2081 if (column->IsHidden())
2082 continue; // skip it!
2083
2084 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2085 continue; // skip it!
2086
2087 const wxDataViewRenderer *renderer = column->GetRenderer();
2088 wxVariant value;
2089 model->GetValue( value, item, column->GetModelColumn() );
2090 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2091 renderer2->SetValue( value );
2092 height = wxMax( height, renderer->GetSize().y );
2093 }
2094
2095
2096 start += height;
2097 }
2098
2099 return start;
2100 }
2101 else
2102 {
2103 return row * m_lineHeight;
2104 }
2105 }
2106
2107 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2108 {
2109 const wxDataViewModel *model = GetOwner()->GetModel();
2110
2111 // check for the easy case first
2112 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2113 return y / m_lineHeight;
2114
2115 // TODO make more efficient
2116 unsigned int row = 0;
2117 unsigned int yy = 0;
2118 for (;;)
2119 {
2120 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2121 if (!node)
2122 {
2123 // not really correct...
2124 return row + ((y-yy) / m_lineHeight);
2125 }
2126
2127 wxDataViewItem item = node->GetItem();
2128
2129 if (node && !node->HasChildren())
2130 {
2131 // Yes, if the node does not have any child, it must be a leaf which
2132 // mean that it is a temporarily created by GetTreeNodeByRow
2133 wxDELETE(node);
2134 }
2135
2136 unsigned int cols = GetOwner()->GetColumnCount();
2137 unsigned int col;
2138 int height = m_lineHeight;
2139 for (col = 0; col < cols; col++)
2140 {
2141 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2142 if (column->IsHidden())
2143 continue; // skip it!
2144
2145 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2146 continue; // skip it!
2147
2148 const wxDataViewRenderer *renderer = column->GetRenderer();
2149 wxVariant value;
2150 model->GetValue( value, item, column->GetModelColumn() );
2151 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2152 renderer2->SetValue( value );
2153 height = wxMax( height, renderer->GetSize().y );
2154 }
2155
2156 yy += height;
2157 if (y < yy)
2158 return row;
2159
2160 row++;
2161 }
2162 }
2163
2164 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2165 {
2166 const wxDataViewModel *model = GetOwner()->GetModel();
2167
2168 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2169 {
2170 wxASSERT( !IsVirtualList() );
2171
2172 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2173 // wxASSERT( node );
2174 if (!node) return m_lineHeight;
2175
2176 wxDataViewItem item = node->GetItem();
2177
2178 if (node && !node->HasChildren())
2179 {
2180 // Yes, if the node does not have any child, it must be a leaf which
2181 // mean that it is a temporarily created by GetTreeNodeByRow
2182 wxDELETE(node);
2183 }
2184
2185 int height = m_lineHeight;
2186
2187 unsigned int cols = GetOwner()->GetColumnCount();
2188 unsigned int col;
2189 for (col = 0; col < cols; col++)
2190 {
2191 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2192 if (column->IsHidden())
2193 continue; // skip it!
2194
2195 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2196 continue; // skip it!
2197
2198 const wxDataViewRenderer *renderer = column->GetRenderer();
2199 wxVariant value;
2200 model->GetValue( value, item, column->GetModelColumn() );
2201 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2202 renderer2->SetValue( value );
2203 height = wxMax( height, renderer->GetSize().y );
2204 }
2205
2206 return height;
2207 }
2208 else
2209 {
2210 return m_lineHeight;
2211 }
2212 }
2213
2214 class RowToItemJob: public DoJob
2215 {
2216 public:
2217 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;}
2218 virtual ~RowToItemJob() { }
2219
2220 virtual int operator() ( wxDataViewTreeNode * node )
2221 {
2222 current ++;
2223 if( current == static_cast<int>(row))
2224 {
2225 ret = node->GetItem();
2226 return DoJob::OK;
2227 }
2228
2229 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2230 {
2231 current += node->GetSubTreeCount();
2232 return DoJob::IGR;
2233 }
2234 else
2235 {
2236 //If the current has no child node, we can find the desired item of the row number directly.
2237 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2238 if( node->GetNodes().GetCount() == 0)
2239 {
2240 int index = static_cast<int>(row) - current - 1;
2241 ret = node->GetChildren().Item( index );
2242 return DoJob::OK;
2243 }
2244 return DoJob::CONT;
2245 }
2246 }
2247
2248 virtual int operator() ( void * n )
2249 {
2250 current ++;
2251 if( current == static_cast<int>(row))
2252 {
2253 ret = wxDataViewItem( n );
2254 return DoJob::OK;
2255 }
2256 return DoJob::CONT;
2257 }
2258 wxDataViewItem GetResult(){ return ret; }
2259 private:
2260 unsigned int row;
2261 int current;
2262 wxDataViewItem ret;
2263 };
2264
2265 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2266 {
2267 if (!m_root)
2268 {
2269 return wxDataViewItem( wxUIntToPtr(row) );
2270 }
2271 else
2272 {
2273 RowToItemJob job( row, -2 );
2274 Walker( m_root , job );
2275 return job.GetResult();
2276 }
2277 }
2278
2279 class RowToTreeNodeJob: public DoJob
2280 {
2281 public:
2282 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2283 {
2284 this->row = row;
2285 this->current = current;
2286 ret = NULL;
2287 parent = node;
2288 }
2289 virtual ~RowToTreeNodeJob(){ }
2290
2291 virtual int operator() ( wxDataViewTreeNode * node )
2292 {
2293 current ++;
2294 if( current == static_cast<int>(row))
2295 {
2296 ret = node;
2297 return DoJob::OK;
2298 }
2299
2300 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2301 {
2302 current += node->GetSubTreeCount();
2303 return DoJob::IGR;
2304 }
2305 else
2306 {
2307 parent = node;
2308 //If the current has no child node, we can find the desired item of the row number directly.
2309 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2310 if( node->GetNodes().GetCount() == 0)
2311 {
2312 int index = static_cast<int>(row) - current - 1;
2313 void * n = node->GetChildren().Item( index );
2314 ret = new wxDataViewTreeNode( parent );
2315 ret->SetItem( wxDataViewItem( n ));
2316 ret->SetHasChildren(false);
2317 return DoJob::OK;
2318 }
2319 return DoJob::CONT;
2320 }
2321
2322
2323 }
2324
2325 virtual int operator() ( void * n )
2326 {
2327 current ++;
2328 if( current == static_cast<int>(row))
2329 {
2330 ret = new wxDataViewTreeNode( parent );
2331 ret->SetItem( wxDataViewItem( n ));
2332 ret->SetHasChildren(false);
2333 return DoJob::OK;
2334 }
2335
2336 return DoJob::CONT;
2337 }
2338 wxDataViewTreeNode * GetResult(){ return ret; }
2339 private:
2340 unsigned int row;
2341 int current;
2342 wxDataViewTreeNode * ret;
2343 wxDataViewTreeNode * parent;
2344 };
2345
2346
2347 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2348 {
2349 wxASSERT( !IsVirtualList() );
2350
2351 RowToTreeNodeJob job( row , -2, m_root );
2352 Walker( m_root , job );
2353 return job.GetResult();
2354 }
2355
2356 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2357 {
2358 wxWindow *parent = GetParent();
2359 wxDataViewEvent le(type, parent->GetId());
2360
2361 le.SetEventObject(parent);
2362 le.SetModel(GetOwner()->GetModel());
2363 le.SetItem( item );
2364
2365 parent->GetEventHandler()->ProcessEvent(le);
2366 return le;
2367 }
2368
2369 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2370 {
2371 if (IsVirtualList())
2372 return;
2373
2374 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2375 if( node != NULL )
2376 {
2377 if( node->HasChildren())
2378 {
2379 if( !node->IsOpen())
2380 {
2381 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2382 //Check if the user prevent expanding
2383 if( e.GetSkipped() )
2384 return;
2385
2386 node->ToggleOpen();
2387 //Here I build the children of current node
2388 if( node->GetChildrenNumber() == 0 )
2389 {
2390 SortPrepare();
2391 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2392 }
2393 m_count = -1;
2394 UpdateDisplay();
2395 //Send the expanded event
2396 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2397 }
2398 else
2399 {
2400 SelectRow( row, false );
2401 SelectRow( row + 1, true );
2402 ChangeCurrentRow( row + 1 );
2403 SendSelectionChangedEvent( GetItemByRow(row+1));
2404 }
2405 }
2406 else
2407 delete node;
2408 }
2409 }
2410
2411 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2412 {
2413 if (IsVirtualList())
2414 return;
2415
2416 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2417 if( node != NULL )
2418 {
2419 wxDataViewTreeNode * nd = node;
2420
2421 if( node->HasChildren() && node->IsOpen() )
2422 {
2423 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2424 if( e.GetSkipped() )
2425 return;
2426 node->ToggleOpen();
2427 m_count = -1;
2428 UpdateDisplay();
2429 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
2430 }
2431 else
2432 {
2433 node = node->GetParent();
2434 if( node != NULL )
2435 {
2436 int parent = GetRowByItem( node->GetItem() );
2437 if( parent >= 0 )
2438 {
2439 SelectRow( row, false);
2440 SelectRow(parent , true );
2441 ChangeCurrentRow( parent );
2442 SendSelectionChangedEvent( node->GetItem() );
2443 }
2444 }
2445 }
2446 if( !nd->HasChildren())
2447 delete nd;
2448 }
2449 }
2450
2451 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2452 {
2453 wxDataViewModel * model = GetOwner()->GetModel();
2454 if( model == NULL )
2455 return NULL;
2456
2457 //Compose the a parent-chain of the finding item
2458 ItemList list;
2459 list.DeleteContents( true );
2460 wxDataViewItem it( item );
2461 while( it.IsOk() )
2462 {
2463 wxDataViewItem * pItem = new wxDataViewItem( it );
2464 list.Insert( pItem );
2465 it = model->GetParent( it );
2466 }
2467
2468 //Find the item along the parent-chain.
2469 //This algorithm is designed to speed up the node-finding method
2470 wxDataViewTreeNode * node = m_root;
2471 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2472 {
2473 if( node->HasChildren() )
2474 {
2475 if( node->GetChildrenNumber() == 0 )
2476 {
2477 SortPrepare();
2478 ::BuildTreeHelper(model, node->GetItem(), node);
2479 }
2480
2481 wxDataViewTreeNodes nodes = node->GetNodes();
2482 unsigned int i;
2483 bool found = false;
2484
2485 for (i = 0; i < nodes.GetCount(); i ++)
2486 {
2487 if (nodes[i]->GetItem() == (**iter))
2488 {
2489 if (nodes[i]->GetItem() == item)
2490 return nodes[i];
2491
2492 node = nodes[i];
2493 found = true;
2494 break;
2495 }
2496 }
2497 if (!found)
2498 return NULL;
2499 }
2500 else
2501 return NULL;
2502 }
2503 return NULL;
2504 }
2505
2506 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
2507 {
2508 wxDataViewColumn *col = NULL;
2509 unsigned int cols = GetOwner()->GetColumnCount();
2510 unsigned int colnum = 0;
2511 int x, y;
2512 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2513 for (unsigned x_start = 0; colnum < cols; colnum++)
2514 {
2515 col = GetOwner()->GetColumn(colnum);
2516 if (col->IsHidden())
2517 continue; // skip it!
2518
2519 unsigned int w = col->GetWidth();
2520 if (x_start+w >= (unsigned int)x)
2521 break;
2522
2523 x_start += w;
2524 }
2525
2526 column = col;
2527 item = GetItemByRow( GetLineAt( y ) );
2528 }
2529
2530 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
2531 {
2532 int row = GetRowByItem(item);
2533 int y = GetLineStart( row );
2534 int h = GetLineHeight( m_lineHeight );
2535 int x = 0;
2536 wxDataViewColumn *col = NULL;
2537 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
2538 {
2539 col = GetOwner()->GetColumn( i );
2540 x += col->GetWidth();
2541 if( GetOwner()->GetColumn(i+1) == column )
2542 break;
2543 }
2544 int w = col->GetWidth();
2545 m_owner->CalcScrolledPosition( x, y, &x, &y );
2546 return wxRect(x, y, w, h);
2547 }
2548
2549 int wxDataViewMainWindow::RecalculateCount()
2550 {
2551 if (!m_root)
2552 {
2553 wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
2554 #ifndef __WXMAC__
2555 return list_model->GetLastIndex() + 1;
2556 #else
2557 return list_model->GetLastIndex() - 1;
2558 #endif
2559 }
2560 else
2561 {
2562 return m_root->GetSubTreeCount();
2563 }
2564 }
2565
2566 class ItemToRowJob : public DoJob
2567 {
2568 public:
2569 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
2570 : m_iter(iter),
2571 item(item_)
2572 {
2573 ret = -1;
2574 }
2575
2576 //Maybe binary search will help to speed up this process
2577 virtual int operator() ( wxDataViewTreeNode * node)
2578 {
2579 ret ++;
2580 if( node->GetItem() == item )
2581 {
2582 return DoJob::OK;
2583 }
2584
2585 if( node->GetItem() == **m_iter )
2586 {
2587 m_iter++;
2588 return DoJob::CONT;
2589 }
2590 else
2591 {
2592 ret += node->GetSubTreeCount();
2593 return DoJob::IGR;
2594 }
2595
2596 }
2597
2598 virtual int operator() ( void * n )
2599 {
2600 ret ++;
2601 if( n == item.GetID() )
2602 return DoJob::OK;
2603 return DoJob::CONT;
2604 }
2605 //the row number is begin from zero
2606 int GetResult() { return ret -1; }
2607
2608 private:
2609 ItemList::const_iterator m_iter;
2610 wxDataViewItem item;
2611 int ret;
2612
2613 };
2614
2615 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
2616 {
2617 const wxDataViewModel * model = GetOwner()->GetModel();
2618 if( model == NULL )
2619 return -1;
2620
2621 if (!m_root)
2622 {
2623 return wxPtrToUInt( item.GetID() );
2624 }
2625 else
2626 {
2627 if( !item.IsOk() )
2628 return -1;
2629
2630 //Compose the a parent-chain of the finding item
2631 ItemList list;
2632 wxDataViewItem * pItem;
2633 list.DeleteContents( true );
2634 wxDataViewItem it( item );
2635 while( it.IsOk() )
2636 {
2637 pItem = new wxDataViewItem( it );
2638 list.Insert( pItem );
2639 it = model->GetParent( it );
2640 }
2641 pItem = new wxDataViewItem( );
2642 list.Insert( pItem );
2643
2644 ItemToRowJob job( item, list.begin() );
2645 Walker(m_root , job );
2646 return job.GetResult();
2647 }
2648 }
2649
2650 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
2651 {
2652 if( !model->IsContainer( item ) )
2653 return;
2654
2655 wxDataViewItemArray children;
2656 unsigned int num = model->GetChildren( item, children);
2657 unsigned int index = 0;
2658 while( index < num )
2659 {
2660 if( model->IsContainer( children[index] ) )
2661 {
2662 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
2663 n->SetItem(children[index]);
2664 n->SetHasChildren( true );
2665 node->AddNode( n );
2666 }
2667 else
2668 {
2669 node->AddLeaf( children[index].GetID() );
2670 }
2671 index ++;
2672 }
2673 node->SetSubTreeCount( num );
2674 wxDataViewTreeNode * n = node->GetParent();
2675 if( n != NULL)
2676 n->ChangeSubTreeCount(num);
2677
2678 }
2679
2680 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
2681 {
2682 DestroyTree();
2683
2684 if (GetOwner()->GetModel()->IsVirtualListModel())
2685 {
2686 m_count = -1;
2687 return;
2688 }
2689
2690 m_root = new wxDataViewTreeNode( NULL );
2691 m_root->SetHasChildren(true);
2692
2693 //First we define a invalid item to fetch the top-level elements
2694 wxDataViewItem item;
2695 SortPrepare();
2696 BuildTreeHelper( model, item, m_root);
2697 m_count = -1;
2698 }
2699
2700 static void DestroyTreeHelper( wxDataViewTreeNode * node )
2701 {
2702 if( node->GetNodeNumber() != 0 )
2703 {
2704 int len = node->GetNodeNumber();
2705 int i = 0;
2706 wxDataViewTreeNodes& nodes = node->GetNodes();
2707 for(; i < len; i ++ )
2708 {
2709 DestroyTreeHelper(nodes[i]);
2710 }
2711 }
2712 delete node;
2713 }
2714
2715 void wxDataViewMainWindow::DestroyTree()
2716 {
2717 if (!IsVirtualList())
2718 {
2719 ::DestroyTreeHelper(m_root);
2720 m_count = 0;
2721 m_root = NULL;
2722 }
2723 }
2724
2725 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
2726 {
2727 if ( GetParent()->HandleAsNavigationKey(event) )
2728 return;
2729
2730 // no item -> nothing to do
2731 if (!HasCurrentRow())
2732 {
2733 event.Skip();
2734 return;
2735 }
2736
2737 // don't use m_linesPerPage directly as it might not be computed yet
2738 const int pageSize = GetCountPerPage();
2739 wxCHECK_RET( pageSize, _T("should have non zero page size") );
2740
2741 switch ( event.GetKeyCode() )
2742 {
2743 case WXK_RETURN:
2744 {
2745 if (m_currentRow > 0)
2746 {
2747 wxWindow *parent = GetParent();
2748 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
2749 le.SetItem( GetItemByRow(m_currentRow) );
2750 le.SetEventObject(parent);
2751 le.SetModel(GetOwner()->GetModel());
2752
2753 parent->GetEventHandler()->ProcessEvent(le);
2754 }
2755 break;
2756 }
2757 case WXK_UP:
2758 if ( m_currentRow > 0 )
2759 OnArrowChar( m_currentRow - 1, event );
2760 break;
2761
2762 case WXK_DOWN:
2763 if ( m_currentRow < GetRowCount() - 1 )
2764 OnArrowChar( m_currentRow + 1, event );
2765 break;
2766 //Add the process for tree expanding/collapsing
2767 case WXK_LEFT:
2768 OnCollapsing(m_currentRow);
2769 break;
2770 case WXK_RIGHT:
2771 OnExpanding( m_currentRow);
2772 break;
2773 case WXK_END:
2774 if (!IsEmpty())
2775 OnArrowChar( GetRowCount() - 1, event );
2776 break;
2777
2778 case WXK_HOME:
2779 if (!IsEmpty())
2780 OnArrowChar( 0, event );
2781 break;
2782
2783 case WXK_PAGEUP:
2784 {
2785 int steps = pageSize - 1;
2786 int index = m_currentRow - steps;
2787 if (index < 0)
2788 index = 0;
2789
2790 OnArrowChar( index, event );
2791 }
2792 break;
2793
2794 case WXK_PAGEDOWN:
2795 {
2796 int steps = pageSize - 1;
2797 unsigned int index = m_currentRow + steps;
2798 unsigned int count = GetRowCount();
2799 if ( index >= count )
2800 index = count - 1;
2801
2802 OnArrowChar( index, event );
2803 }
2804 break;
2805
2806 default:
2807 event.Skip();
2808 }
2809 }
2810
2811 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
2812 {
2813 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
2814 {
2815 // let the base handle mouse wheel events.
2816 event.Skip();
2817 return;
2818 }
2819
2820 int x = event.GetX();
2821 int y = event.GetY();
2822 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2823 wxDataViewColumn *col = NULL;
2824
2825 int xpos = 0;
2826 unsigned int cols = GetOwner()->GetColumnCount();
2827 unsigned int i;
2828 for (i = 0; i < cols; i++)
2829 {
2830 wxDataViewColumn *c = GetOwner()->GetColumn( i );
2831 if (c->IsHidden())
2832 continue; // skip it!
2833
2834 if (x < xpos + c->GetWidth())
2835 {
2836 col = c;
2837 break;
2838 }
2839 xpos += c->GetWidth();
2840 }
2841 if (!col)
2842 return;
2843
2844 wxDataViewRenderer *cell = col->GetRenderer();
2845 unsigned int current = GetLineAt( y );
2846 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
2847 {
2848 // Unselect all if below the last row ?
2849 return;
2850 }
2851
2852 //Test whether the mouse is hovered on the tree item button
2853 bool hover = false;
2854 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
2855 {
2856 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
2857 if( node!=NULL && node->HasChildren() )
2858 {
2859 int indent = node->GetIndentLevel();
2860 indent = GetOwner()->GetIndent()*indent;
2861 wxRect rect( xpos + indent + EXPANDER_MARGIN,
2862 GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
2863 m_lineHeight-2*EXPANDER_MARGIN,
2864 m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
2865 if( rect.Contains( x, y) )
2866 {
2867 //So the mouse is over the expander
2868 hover = true;
2869 if (m_underMouse && m_underMouse != node)
2870 {
2871 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
2872 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
2873 }
2874 if (m_underMouse != node)
2875 {
2876 //wxLogMessage("Do the row: %d", current);
2877 RefreshRow(current);
2878 }
2879 m_underMouse = node;
2880 }
2881 }
2882 if (node!=NULL && !node->HasChildren())
2883 delete node;
2884 }
2885 if (!hover)
2886 {
2887 if (m_underMouse != NULL)
2888 {
2889 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
2890 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
2891 m_underMouse = NULL;
2892 }
2893 }
2894
2895 wxDataViewModel *model = GetOwner()->GetModel();
2896
2897 if (event.Dragging())
2898 {
2899 if (m_dragCount == 0)
2900 {
2901 // we have to report the raw, physical coords as we want to be
2902 // able to call HitTest(event.m_pointDrag) from the user code to
2903 // get the item being dragged
2904 m_dragStart = event.GetPosition();
2905 }
2906
2907 m_dragCount++;
2908
2909 if (m_dragCount != 3)
2910 return;
2911
2912 if (event.LeftIsDown())
2913 {
2914 // Notify cell about drag
2915 }
2916 return;
2917 }
2918 else
2919 {
2920 m_dragCount = 0;
2921 }
2922
2923 bool forceClick = false;
2924
2925 if (event.ButtonDClick())
2926 {
2927 m_renameTimer->Stop();
2928 m_lastOnSame = false;
2929 }
2930
2931 wxDataViewItem item = GetItemByRow(current);
2932 bool ignore_other_columns =
2933 ((GetOwner()->GetExpanderColumn() != col) &&
2934 (model->IsContainer(item)) &&
2935 (!model->HasContainerColumns(item)));
2936
2937 if (event.LeftDClick())
2938 {
2939 if ( current == m_lineLastClicked )
2940 {
2941 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
2942 {
2943 wxVariant value;
2944 model->GetValue( value, item, col->GetModelColumn() );
2945 cell->SetValue( value );
2946 wxRect cell_rect( xpos, GetLineStart( current ),
2947 col->GetWidth(), GetLineHeight( current ) );
2948 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
2949
2950 }
2951 else
2952 {
2953 wxWindow *parent = GetParent();
2954 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
2955 le.SetItem( item );
2956 le.SetEventObject(parent);
2957 le.SetModel(GetOwner()->GetModel());
2958
2959 parent->GetEventHandler()->ProcessEvent(le);
2960 }
2961 return;
2962 }
2963 else
2964 {
2965 // The first click was on another item, so don't interpret this as
2966 // a double click, but as a simple click instead
2967 forceClick = true;
2968 }
2969 }
2970
2971 if (event.LeftUp())
2972 {
2973 if (m_lineSelectSingleOnUp != (unsigned int)-1)
2974 {
2975 // select single line
2976 SelectAllRows( false );
2977 SelectRow( m_lineSelectSingleOnUp, true );
2978 }
2979
2980 //Process the event of user clicking the expander
2981 bool expander = false;
2982 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
2983 {
2984 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
2985 if( node!=NULL && node->HasChildren() )
2986 {
2987 int indent = node->GetIndentLevel();
2988 indent = GetOwner()->GetIndent()*indent;
2989 wxRect rect( xpos + indent + EXPANDER_MARGIN,
2990 GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
2991 m_lineHeight-2*EXPANDER_MARGIN,
2992 m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
2993
2994 if( rect.Contains( x, y) )
2995 {
2996 expander = true;
2997 if( node->IsOpen() )
2998 OnCollapsing(current);
2999 else
3000 OnExpanding( current );
3001 }
3002 }
3003 if (node && !node->HasChildren())
3004 delete node;
3005 }
3006 //If the user click the expander, we do not do editing even if the column with expander are editable
3007 if (m_lastOnSame && !expander && !ignore_other_columns)
3008 {
3009 if ((col == m_currentCol) && (current == m_currentRow) &&
3010 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3011 {
3012 m_renameTimer->Start( 100, true );
3013 }
3014 }
3015
3016 m_lastOnSame = false;
3017 m_lineSelectSingleOnUp = (unsigned int)-1;
3018 }
3019 else
3020 {
3021 // This is necessary, because after a DnD operation in
3022 // from and to ourself, the up event is swallowed by the
3023 // DnD code. So on next non-up event (which means here and
3024 // now) m_lineSelectSingleOnUp should be reset.
3025 m_lineSelectSingleOnUp = (unsigned int)-1;
3026 }
3027
3028 if (event.RightDown())
3029 {
3030 m_lineBeforeLastClicked = m_lineLastClicked;
3031 m_lineLastClicked = current;
3032
3033 // If the item is already selected, do not update the selection.
3034 // Multi-selections should not be cleared if a selected item is clicked.
3035 if (!IsRowSelected(current))
3036 {
3037 SelectAllRows(false);
3038 ChangeCurrentRow(current);
3039 SelectRow(m_currentRow,true);
3040 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3041 }
3042
3043 wxVariant value;
3044 model->GetValue( value, item, col->GetModelColumn() );
3045 wxWindow *parent = GetParent();
3046 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3047 le.SetItem( item );
3048 le.SetEventObject(parent);
3049 le.SetModel(GetOwner()->GetModel());
3050 le.SetValue(value);
3051 parent->GetEventHandler()->ProcessEvent(le);
3052 }
3053 else if (event.MiddleDown())
3054 {
3055 }
3056 if (event.LeftDown() || forceClick)
3057 {
3058 SetFocus();
3059
3060 m_lineBeforeLastClicked = m_lineLastClicked;
3061 m_lineLastClicked = current;
3062
3063 unsigned int oldCurrentRow = m_currentRow;
3064 bool oldWasSelected = IsRowSelected(m_currentRow);
3065
3066 bool cmdModifierDown = event.CmdDown();
3067 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3068 {
3069 if ( IsSingleSel() || !IsRowSelected(current) )
3070 {
3071 SelectAllRows( false );
3072 ChangeCurrentRow(current);
3073 SelectRow(m_currentRow,true);
3074 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3075 }
3076 else // multi sel & current is highlighted & no mod keys
3077 {
3078 m_lineSelectSingleOnUp = current;
3079 ChangeCurrentRow(current); // change focus
3080 }
3081 }
3082 else // multi sel & either ctrl or shift is down
3083 {
3084 if (cmdModifierDown)
3085 {
3086 ChangeCurrentRow(current);
3087 ReverseRowSelection(m_currentRow);
3088 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3089 }
3090 else if (event.ShiftDown())
3091 {
3092 ChangeCurrentRow(current);
3093
3094 unsigned int lineFrom = oldCurrentRow,
3095 lineTo = current;
3096
3097 if ( lineTo < lineFrom )
3098 {
3099 lineTo = lineFrom;
3100 lineFrom = m_currentRow;
3101 }
3102
3103 SelectRows(lineFrom, lineTo, true);
3104 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3105 }
3106 else // !ctrl, !shift
3107 {
3108 // test in the enclosing if should make it impossible
3109 wxFAIL_MSG( _T("how did we get here?") );
3110 }
3111 }
3112
3113 if (m_currentRow != oldCurrentRow)
3114 RefreshRow( oldCurrentRow );
3115
3116 wxDataViewColumn *oldCurrentCol = m_currentCol;
3117
3118 // Update selection here...
3119 m_currentCol = col;
3120
3121 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3122 (current == oldCurrentRow)) && oldWasSelected;
3123
3124 // Call LeftClick after everything else as under GTK+
3125 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3126 {
3127 // notify cell about right click
3128 wxVariant value;
3129 model->GetValue( value, item, col->GetModelColumn() );
3130 cell->SetValue( value );
3131 wxRect cell_rect( xpos, GetLineStart( current ),
3132 col->GetWidth(), GetLineHeight( current ) );
3133 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3134 }
3135 }
3136 }
3137
3138 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3139 {
3140 m_hasFocus = true;
3141
3142 if (HasCurrentRow())
3143 Refresh();
3144
3145 event.Skip();
3146 }
3147
3148 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3149 {
3150 m_hasFocus = false;
3151
3152 if (HasCurrentRow())
3153 Refresh();
3154
3155 event.Skip();
3156 }
3157
3158 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3159 {
3160 if( m_selection.GetCount() != 1 )
3161 return wxDataViewItem();
3162
3163 return GetItemByRow( m_selection.Item(0));
3164 }
3165
3166 //-----------------------------------------------------------------------------
3167 // wxDataViewCtrl
3168 //-----------------------------------------------------------------------------
3169 WX_DEFINE_LIST(wxDataViewColumnList)
3170
3171 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3172
3173 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3174 EVT_SIZE(wxDataViewCtrl::OnSize)
3175 END_EVENT_TABLE()
3176
3177 wxDataViewCtrl::~wxDataViewCtrl()
3178 {
3179 if (m_notifier)
3180 GetModel()->RemoveNotifier( m_notifier );
3181
3182 m_cols.Clear();
3183 }
3184
3185 void wxDataViewCtrl::Init()
3186 {
3187 m_cols.DeleteContents(true);
3188 m_notifier = NULL;
3189
3190 // No sorting column at start
3191 m_sortingColumn = NULL;
3192 m_headerArea = NULL;
3193 }
3194
3195 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3196 const wxPoint& pos, const wxSize& size,
3197 long style, const wxValidator& validator )
3198 {
3199 if ( (style & wxBORDER_MASK) == 0)
3200 style |= wxBORDER_SUNKEN;
3201
3202 Init();
3203
3204 if (!wxControl::Create( parent, id, pos, size,
3205 style | wxScrolledWindowStyle, validator))
3206 return false;
3207
3208 SetInitialSize(size);
3209
3210 #ifdef __WXMAC__
3211 MacSetClipChildren( true );
3212 #endif
3213
3214 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3215
3216 if (HasFlag(wxDV_NO_HEADER))
3217 m_headerArea = NULL;
3218 else
3219 m_headerArea = new wxDataViewHeaderWindow(this);
3220
3221 SetTargetWindow( m_clientArea );
3222
3223 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3224 if (m_headerArea)
3225 sizer->Add( m_headerArea, 0, wxGROW );
3226 sizer->Add( m_clientArea, 1, wxGROW );
3227 SetSizer( sizer );
3228
3229 return true;
3230 }
3231
3232 #ifdef __WXMSW__
3233 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3234 WXWPARAM wParam,
3235 WXLPARAM lParam)
3236 {
3237 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3238
3239 #ifndef __WXWINCE__
3240 // we need to process arrows ourselves for scrolling
3241 if ( nMsg == WM_GETDLGCODE )
3242 {
3243 rc |= DLGC_WANTARROWS;
3244 }
3245 #endif
3246
3247 return rc;
3248 }
3249 #endif
3250
3251 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3252 {
3253 wxSize newsize = size;
3254 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3255 newsize.y -= m_headerArea->GetSize().y;
3256
3257 return newsize;
3258 }
3259
3260 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3261 {
3262 // We need to override OnSize so that our scrolled
3263 // window a) does call Layout() to use sizers for
3264 // positioning the controls but b) does not query
3265 // the sizer for their size and use that for setting
3266 // the scrollable area as set that ourselves by
3267 // calling SetScrollbar() further down.
3268
3269 Layout();
3270
3271 AdjustScrollbars();
3272 }
3273
3274 void wxDataViewCtrl::SetFocus()
3275 {
3276 if (m_clientArea)
3277 m_clientArea->SetFocus();
3278 }
3279
3280 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3281 {
3282 if (!wxDataViewCtrlBase::AssociateModel( model ))
3283 return false;
3284
3285 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3286
3287 model->AddNotifier( m_notifier );
3288
3289 m_clientArea->DestroyTree();
3290
3291 m_clientArea->BuildTree(model);
3292
3293 m_clientArea->UpdateDisplay();
3294
3295 return true;
3296 }
3297
3298 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3299 {
3300 if (!wxDataViewCtrlBase::AppendColumn(col))
3301 return false;
3302
3303 m_cols.Append( col );
3304 OnColumnsCountChanged();
3305 return true;
3306 }
3307
3308 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3309 {
3310 if (!wxDataViewCtrlBase::PrependColumn(col))
3311 return false;
3312
3313 m_cols.Insert( col );
3314 OnColumnsCountChanged();
3315 return true;
3316 }
3317
3318 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3319 {
3320 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3321 return false;
3322
3323 m_cols.Insert( pos, col );
3324 OnColumnsCountChanged();
3325 return true;
3326 }
3327
3328 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3329 {
3330 if ( m_headerArea )
3331 m_headerArea->UpdateColumn(idx);
3332
3333 m_clientArea->UpdateDisplay();
3334 }
3335
3336 void wxDataViewCtrl::OnColumnsCountChanged()
3337 {
3338 if (m_headerArea)
3339 m_headerArea->SetColumnCount(GetColumnCount());
3340
3341 m_clientArea->UpdateDisplay();
3342 }
3343
3344 void wxDataViewCtrl::DoSetExpanderColumn()
3345 {
3346 m_clientArea->UpdateDisplay();
3347 }
3348
3349 void wxDataViewCtrl::DoSetIndent()
3350 {
3351 m_clientArea->UpdateDisplay();
3352 }
3353
3354 unsigned int wxDataViewCtrl::GetColumnCount() const
3355 {
3356 return m_cols.GetCount();
3357 }
3358
3359 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3360 {
3361 return m_cols[idx];
3362 }
3363
3364 void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
3365 {
3366 if (new_pos > m_cols.GetCount()) return;
3367
3368 // Exchange position
3369 m_cols.DeleteContents(false);
3370 m_cols.DeleteObject( col );
3371 m_cols.Insert( new_pos, col );
3372 m_cols.DeleteContents(true);
3373
3374 m_clientArea->UpdateDisplay();
3375 }
3376
3377 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3378 {
3379 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3380 if (!ret)
3381 return false;
3382
3383 m_cols.Erase(ret);
3384 OnColumnsCountChanged();
3385
3386 return true;
3387 }
3388
3389 bool wxDataViewCtrl::ClearColumns()
3390 {
3391 m_cols.Clear();
3392 OnColumnsCountChanged();
3393 return true;
3394 }
3395
3396 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3397 {
3398 int ret = 0, dead = 0;
3399 int len = GetColumnCount();
3400 for (int i=0; i<len; i++)
3401 {
3402 wxDataViewColumn * col = GetColumn(i);
3403 if (col->IsHidden())
3404 continue;
3405 ret += col->GetWidth();
3406 if (column==col)
3407 {
3408 CalcScrolledPosition( ret, dead, &ret, &dead );
3409 break;
3410 }
3411 }
3412 return ret;
3413 }
3414
3415 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3416 {
3417 return NULL;
3418 }
3419
3420 //Selection code with wxDataViewItem as parameters
3421 wxDataViewItem wxDataViewCtrl::GetSelection() const
3422 {
3423 return m_clientArea->GetSelection();
3424 }
3425
3426 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3427 {
3428 sel.Empty();
3429 wxDataViewSelection selection = m_clientArea->GetSelections();
3430 int len = selection.GetCount();
3431 for( int i = 0; i < len; i ++)
3432 {
3433 unsigned int row = selection[i];
3434 sel.Add( m_clientArea->GetItemByRow( row ) );
3435 }
3436 return len;
3437 }
3438
3439 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3440 {
3441 wxDataViewSelection selection(wxDataViewSelectionCmp);
3442 int len = sel.GetCount();
3443 for( int i = 0; i < len; i ++ )
3444 {
3445 int row = m_clientArea->GetRowByItem( sel[i] );
3446 if( row >= 0 )
3447 selection.Add( static_cast<unsigned int>(row) );
3448 }
3449 m_clientArea->SetSelections( selection );
3450 }
3451
3452 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3453 {
3454 int row = m_clientArea->GetRowByItem( item );
3455 if( row >= 0 )
3456 {
3457 //Unselect all rows before select another in the single select mode
3458 if (m_clientArea->IsSingleSel())
3459 m_clientArea->SelectAllRows(false);
3460 m_clientArea->SelectRow(row, true);
3461 }
3462 }
3463
3464 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
3465 {
3466 int row = m_clientArea->GetRowByItem( item );
3467 if( row >= 0 )
3468 m_clientArea->SelectRow(row, false);
3469 }
3470
3471 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
3472 {
3473 int row = m_clientArea->GetRowByItem( item );
3474 if( row >= 0 )
3475 {
3476 return m_clientArea->IsRowSelected(row);
3477 }
3478 return false;
3479 }
3480
3481 //Selection code with row number as parameter
3482 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
3483 {
3484 sel.Empty();
3485 wxDataViewSelection selection = m_clientArea->GetSelections();
3486 int len = selection.GetCount();
3487 for( int i = 0; i < len; i ++)
3488 {
3489 unsigned int row = selection[i];
3490 sel.Add( row );
3491 }
3492 return len;
3493 }
3494
3495 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
3496 {
3497 wxDataViewSelection selection(wxDataViewSelectionCmp);
3498 int len = sel.GetCount();
3499 for( int i = 0; i < len; i ++ )
3500 {
3501 int row = sel[i];
3502 if( row >= 0 )
3503 selection.Add( static_cast<unsigned int>(row) );
3504 }
3505 m_clientArea->SetSelections( selection );
3506 }
3507
3508 void wxDataViewCtrl::Select( int row )
3509 {
3510 if( row >= 0 )
3511 {
3512 if (m_clientArea->IsSingleSel())
3513 m_clientArea->SelectAllRows(false);
3514 m_clientArea->SelectRow( row, true );
3515 }
3516 }
3517
3518 void wxDataViewCtrl::Unselect( int row )
3519 {
3520 if( row >= 0 )
3521 m_clientArea->SelectRow(row, false);
3522 }
3523
3524 bool wxDataViewCtrl::IsSelected( int row ) const
3525 {
3526 if( row >= 0 )
3527 return m_clientArea->IsRowSelected(row);
3528 return false;
3529 }
3530
3531 void wxDataViewCtrl::SelectRange( int from, int to )
3532 {
3533 wxArrayInt sel;
3534 for( int i = from; i < to; i ++ )
3535 sel.Add( i );
3536 m_clientArea->Select(sel);
3537 }
3538
3539 void wxDataViewCtrl::UnselectRange( int from, int to )
3540 {
3541 wxDataViewSelection sel = m_clientArea->GetSelections();
3542 for( int i = from; i < to; i ++ )
3543 if( sel.Index( i ) != wxNOT_FOUND )
3544 sel.Remove( i );
3545 m_clientArea->SetSelections(sel);
3546 }
3547
3548 void wxDataViewCtrl::SelectAll()
3549 {
3550 m_clientArea->SelectAllRows(true);
3551 }
3552
3553 void wxDataViewCtrl::UnselectAll()
3554 {
3555 m_clientArea->SelectAllRows(false);
3556 }
3557
3558 void wxDataViewCtrl::EnsureVisible( int row, int column )
3559 {
3560 if( row < 0 )
3561 row = 0;
3562 if( row > (int) m_clientArea->GetRowCount() )
3563 row = m_clientArea->GetRowCount();
3564
3565 int first = m_clientArea->GetFirstVisibleRow();
3566 int last = m_clientArea->GetLastVisibleRow();
3567 if( row < first )
3568 m_clientArea->ScrollTo( row, column );
3569 else if( row > last )
3570 m_clientArea->ScrollTo( row - last + first, column );
3571 else
3572 m_clientArea->ScrollTo( first, column );
3573 }
3574
3575 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
3576 {
3577 int row = m_clientArea->GetRowByItem(item);
3578 if( row >= 0 )
3579 {
3580 if( column == NULL )
3581 EnsureVisible(row, -1);
3582 else
3583 {
3584 int col = 0;
3585 int len = GetColumnCount();
3586 for( int i = 0; i < len; i ++ )
3587 if( GetColumn(i) == column )
3588 {
3589 col = i;
3590 break;
3591 }
3592 EnsureVisible( row, col );
3593 }
3594 }
3595
3596 }
3597
3598 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
3599 {
3600 m_clientArea->HitTest(point, item, column);
3601 }
3602
3603 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
3604 {
3605 return m_clientArea->GetItemRect(item, column);
3606 }
3607
3608 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
3609 {
3610 return m_clientArea->GetItemByRow( row );
3611 }
3612
3613 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
3614 {
3615 return m_clientArea->GetRowByItem( item );
3616 }
3617
3618 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
3619 {
3620 int row = m_clientArea->GetRowByItem( item );
3621 if (row != -1)
3622 m_clientArea->Expand(row);
3623 }
3624
3625 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
3626 {
3627 int row = m_clientArea->GetRowByItem( item );
3628 if (row != -1)
3629 m_clientArea->Collapse(row);
3630 }
3631
3632 #endif
3633 // !wxUSE_GENERICDATAVIEWCTRL
3634
3635 #endif
3636 // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)