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