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


1653ebfcca868805fd5942f444058d1abac8598b
[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 #include "wx/frame.h"
38 #endif
39
40 #include "wx/stockitem.h"
41 #include "wx/calctrl.h"
42 #include "wx/popupwin.h"
43 #include "wx/renderer.h"
44 #include "wx/dcbuffer.h"
45 #include "wx/icon.h"
46 #include "wx/list.h"
47 #include "wx/listimpl.cpp"
48 #include "wx/imaglist.h"
49 #include "wx/headerctrl.h"
50 #include "wx/dnd.h"
51
52 //-----------------------------------------------------------------------------
53 // classes
54 //-----------------------------------------------------------------------------
55
56 class wxDataViewCtrl;
57
58 static const int SCROLL_UNIT_X = 15;
59
60 // the cell padding on the left/right
61 static const int PADDING_RIGHTLEFT = 3;
62
63 // the expander space margin
64 static const int EXPANDER_MARGIN = 4;
65
66 #ifdef __WXMSW__
67 static const int EXPANDER_OFFSET = 4;
68 #else
69 static const int EXPANDER_OFFSET = 1;
70 #endif
71
72 // Below is the compare stuff.
73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
74 // fast search when needed
75 static wxDataViewModel* g_model;
76 static int g_column = -2;
77 static bool g_asending = true;
78
79 //-----------------------------------------------------------------------------
80 // wxDataViewHeaderWindow
81 //-----------------------------------------------------------------------------
82
83 class wxDataViewHeaderWindow : public wxHeaderCtrl
84 {
85 public:
86 wxDataViewHeaderWindow(wxDataViewCtrl *parent)
87 : wxHeaderCtrl(parent)
88 {
89 }
90
91 wxDataViewCtrl *GetOwner() const
92 { return static_cast<wxDataViewCtrl *>(GetParent()); }
93
94 protected:
95 // implement/override wxHeaderCtrl functions by forwarding them to the main
96 // control
97 virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
98 {
99 return *(GetOwner()->GetColumn(idx));
100 }
101
102 // FIXME: currently unused
103 virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
104 {
105 wxDataViewCtrl * const owner = GetOwner();
106
107 int widthContents = owner->GetBestColumnWidth(idx);
108 owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
109 owner->OnColumnChange(idx);
110
111 return true;
112 }
113
114 private:
115 bool SendEvent(wxEventType type, unsigned int n)
116 {
117 wxDataViewCtrl * const owner = GetOwner();
118 wxDataViewEvent event(type, owner->GetId());
119
120 event.SetEventObject(owner);
121 event.SetColumn(n);
122 event.SetDataViewColumn(owner->GetColumn(n));
123 event.SetModel(owner->GetModel());
124
125 // for events created by wxDataViewHeaderWindow the
126 // row / value fields are not valid
127 return owner->GetEventHandler()->ProcessEvent(event);
128 }
129
130 void OnClick(wxHeaderCtrlEvent& event)
131 {
132 const unsigned idx = event.GetColumn();
133
134 if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
135 return;
136
137 // default handling for the column click is to sort by this column or
138 // toggle its sort order
139 wxDataViewCtrl * const owner = GetOwner();
140 wxDataViewColumn * const col = owner->GetColumn(idx);
141 if ( !col->IsSortable() )
142 {
143 // no default handling for non-sortable columns
144 event.Skip();
145 return;
146 }
147
148 if ( col->IsSortKey() )
149 {
150 // already using this column for sorting, just change the order
151 col->ToggleSortOrder();
152 }
153 else // not using this column for sorting yet
154 {
155 // first unset the old sort column if any
156 int oldSortKey = owner->GetSortingColumnIndex();
157 if ( oldSortKey != wxNOT_FOUND )
158 {
159 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
160 owner->OnColumnChange(oldSortKey);
161 }
162
163 owner->SetSortingColumnIndex(idx);
164 col->SetAsSortKey();
165 }
166
167 wxDataViewModel * const model = owner->GetModel();
168 if ( model )
169 model->Resort();
170
171 owner->OnColumnChange(idx);
172 }
173
174 void OnRClick(wxHeaderCtrlEvent& event)
175 {
176 if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
177 event.GetColumn()) )
178 event.Skip();
179 }
180
181 void OnResize(wxHeaderCtrlEvent& event)
182 {
183 wxDataViewCtrl * const owner = GetOwner();
184
185 const unsigned col = event.GetColumn();
186 owner->GetColumn(col)->SetWidth(event.GetWidth());
187 GetOwner()->OnColumnChange(col);
188 }
189
190 void OnEndReorder(wxHeaderCtrlEvent& event)
191 {
192 wxDataViewCtrl * const owner = GetOwner();
193 owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
194 event.GetNewOrder());
195 }
196
197 DECLARE_EVENT_TABLE()
198 wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
199 };
200
201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
202 EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
203 EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
204
205 EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
206 EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
207
208 EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
209 END_EVENT_TABLE()
210
211 //-----------------------------------------------------------------------------
212 // wxDataViewRenameTimer
213 //-----------------------------------------------------------------------------
214
215 class wxDataViewRenameTimer: public wxTimer
216 {
217 private:
218 wxDataViewMainWindow *m_owner;
219
220 public:
221 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
222 void Notify();
223 };
224
225 //-----------------------------------------------------------------------------
226 // wxDataViewTreeNode
227 //-----------------------------------------------------------------------------
228
229 class wxDataViewTreeNode;
230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
232
233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
234 wxDataViewTreeNode ** node2);
235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
236
237 class wxDataViewTreeNode
238 {
239 public:
240 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
241 {
242 m_parent = parent;
243 if (!parent)
244 m_open = true;
245 else
246 m_open = false;
247 m_hasChildren = false;
248 m_subTreeCount = 0;
249 }
250
251 ~wxDataViewTreeNode()
252 {
253 }
254
255 wxDataViewTreeNode * GetParent() const { return m_parent; }
256 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
257 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
258 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
259
260 void AddNode( wxDataViewTreeNode * node )
261 {
262 m_leaves.Add( node->GetItem().GetID() );
263 if (g_column >= -1)
264 m_leaves.Sort( &wxGenericTreeModelItemCmp );
265 m_nodes.Add( node );
266 if (g_column >= -1)
267 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
268 }
269 void AddLeaf( void * leaf )
270 {
271 m_leaves.Add( leaf );
272 if (g_column >= -1)
273 m_leaves.Sort( &wxGenericTreeModelItemCmp );
274 }
275
276 wxDataViewItem & GetItem() { return m_item; }
277 const wxDataViewItem & GetItem() const { return m_item; }
278 void SetItem( const wxDataViewItem & item ) { m_item = item; }
279
280 unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
281 unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
282 int GetIndentLevel() const
283 {
284 int ret = 0;
285 const wxDataViewTreeNode * node = this;
286 while( node->GetParent()->GetParent() != NULL )
287 {
288 node = node->GetParent();
289 ret ++;
290 }
291 return ret;
292 }
293
294 bool IsOpen() const
295 {
296 return m_open;
297 }
298
299 void ToggleOpen()
300 {
301 int len = m_nodes.GetCount();
302 int sum = 0;
303 for ( int i = 0;i < len; i ++)
304 sum += m_nodes[i]->GetSubTreeCount();
305
306 sum += m_leaves.GetCount();
307 if (m_open)
308 {
309 ChangeSubTreeCount(-sum);
310 m_open = !m_open;
311 }
312 else
313 {
314 m_open = !m_open;
315 ChangeSubTreeCount(sum);
316 }
317 }
318 bool HasChildren() const { return m_hasChildren; }
319 void SetHasChildren( bool has ){ m_hasChildren = has; }
320
321 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
322 int GetSubTreeCount() const { return m_subTreeCount; }
323 void ChangeSubTreeCount( int num )
324 {
325 if( !m_open )
326 return;
327 m_subTreeCount += num;
328 if( m_parent )
329 m_parent->ChangeSubTreeCount(num);
330 }
331
332 void Resort()
333 {
334 if (g_column >= -1)
335 {
336 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
337 int len = m_nodes.GetCount();
338 for (int i = 0; i < len; i ++)
339 m_nodes[i]->Resort();
340 m_leaves.Sort( &wxGenericTreeModelItemCmp );
341 }
342 }
343
344 private:
345 wxDataViewTreeNode *m_parent;
346 wxDataViewTreeNodes m_nodes;
347 wxDataViewTreeLeaves m_leaves;
348 wxDataViewItem m_item;
349 bool m_open;
350 bool m_hasChildren;
351 int m_subTreeCount;
352 };
353
354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
355 wxDataViewTreeNode ** node2)
356 {
357 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
358 }
359
360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
361 {
362 return g_model->Compare( *id1, *id2, g_column, g_asending );
363 }
364
365
366 //-----------------------------------------------------------------------------
367 // wxDataViewMainWindow
368 //-----------------------------------------------------------------------------
369
370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
371 WXDLLIMPEXP_ADV);
372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
373 WX_DEFINE_LIST(ItemList)
374
375 class wxDataViewMainWindow: public wxWindow
376 {
377 public:
378 wxDataViewMainWindow( wxDataViewCtrl *parent,
379 wxWindowID id,
380 const wxPoint &pos = wxDefaultPosition,
381 const wxSize &size = wxDefaultSize,
382 const wxString &name = wxT("wxdataviewctrlmainwindow") );
383 virtual ~wxDataViewMainWindow();
384
385 bool IsVirtualList() const { return m_root == NULL; }
386
387 // notifications from wxDataViewModel
388 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
389 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
390 bool ItemChanged( const wxDataViewItem &item );
391 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
392 bool Cleared();
393 void Resort()
394 {
395 if (!IsVirtualList())
396 {
397 SortPrepare();
398 m_root->Resort();
399 }
400 UpdateDisplay();
401 }
402
403 void SortPrepare()
404 {
405 g_model = GetOwner()->GetModel();
406 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
407 if( !col )
408 {
409 if (g_model->HasDefaultCompare())
410 g_column = -1;
411 else
412 g_column = -2;
413
414 g_asending = true;
415 return;
416 }
417 g_column = col->GetModelColumn();
418 g_asending = col->IsSortOrderAscending();
419 }
420
421 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
422 wxDataViewCtrl *GetOwner() { return m_owner; }
423 const wxDataViewCtrl *GetOwner() const { return m_owner; }
424
425 #if wxUSE_DRAG_AND_DROP
426 wxBitmap CreateItemBitmap( unsigned int row, int &indent );
427 #endif // wxUSE_DRAG_AND_DROP
428 void OnPaint( wxPaintEvent &event );
429 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
430 void OnChar( wxKeyEvent &event );
431 void OnMouse( wxMouseEvent &event );
432 void OnSetFocus( wxFocusEvent &event );
433 void OnKillFocus( wxFocusEvent &event );
434
435 void UpdateDisplay();
436 void RecalculateDisplay();
437 void OnInternalIdle();
438
439 void OnRenameTimer();
440
441 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
442 void ScrollTo( int rows, int column );
443
444 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
445 void ChangeCurrentRow( unsigned int row );
446
447 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
448 bool IsEmpty() { return GetRowCount() == 0; }
449
450 int GetCountPerPage() const;
451 int GetEndOfLastCol() const;
452 unsigned int GetFirstVisibleRow() const;
453
454 // I change this method to un const because in the tree view,
455 // the displaying number of the tree are changing along with the
456 // expanding/collapsing of the tree nodes
457 unsigned int GetLastVisibleRow();
458 unsigned int GetRowCount();
459
460 wxDataViewItem GetSelection() const;
461 wxDataViewSelection GetSelections(){ return m_selection; }
462 void SetSelections( const wxDataViewSelection & sel )
463 { m_selection = sel; UpdateDisplay(); }
464 void Select( const wxArrayInt& aSelections );
465 void SelectAllRows( bool on );
466 void SelectRow( unsigned int row, bool on );
467 void SelectRows( unsigned int from, unsigned int to, bool on );
468 void ReverseRowSelection( unsigned int row );
469 bool IsRowSelected( unsigned int row );
470 void SendSelectionChangedEvent( const wxDataViewItem& item);
471
472 void RefreshRow( unsigned int row );
473 void RefreshRows( unsigned int from, unsigned int to );
474 void RefreshRowsAfter( unsigned int firstRow );
475
476 // returns the colour to be used for drawing the rules
477 wxColour GetRuleColour() const
478 {
479 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
480 }
481
482 wxRect GetLineRect( unsigned int row ) const;
483
484 int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
485 int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
486 int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
487
488 // Some useful functions for row and item mapping
489 wxDataViewItem GetItemByRow( unsigned int row ) const;
490 int GetRowByItem( const wxDataViewItem & item ) const;
491
492 // Methods for building the mapping tree
493 void BuildTree( wxDataViewModel * model );
494 void DestroyTree();
495 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
496 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
497
498 void Expand( unsigned int row );
499 void Collapse( unsigned int row );
500 bool IsExpanded( unsigned int row ) const;
501 bool HasChildren( unsigned int row ) const;
502
503 #if wxUSE_DRAG_AND_DROP
504 bool EnableDragSource( const wxDataFormat &format );
505 bool EnableDropTarget( const wxDataFormat &format );
506
507 void RemoveDropHint();
508 wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
509 bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
510 wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
511 void OnLeave();
512 #endif // wxUSE_DRAG_AND_DROP
513
514 private:
515 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
516 // We did not need this temporarily
517 // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
518
519 int RecalculateCount();
520
521 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
522
523 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
524
525 private:
526 wxDataViewCtrl *m_owner;
527 int m_lineHeight;
528 bool m_dirty;
529
530 wxDataViewColumn *m_currentCol;
531 unsigned int m_currentRow;
532 wxDataViewSelection m_selection;
533
534 wxDataViewRenameTimer *m_renameTimer;
535 bool m_lastOnSame;
536
537 bool m_hasFocus;
538
539 #if wxUSE_DRAG_AND_DROP
540 int m_dragCount;
541 wxPoint m_dragStart;
542
543 bool m_dragEnabled;
544 wxDataFormat m_dragFormat;
545
546 bool m_dropEnabled;
547 wxDataFormat m_dropFormat;
548 bool m_dropHint;
549 unsigned int m_dropHintLine;
550 #endif // wxUSE_DRAG_AND_DROP
551
552 // for double click logic
553 unsigned int m_lineLastClicked,
554 m_lineBeforeLastClicked,
555 m_lineSelectSingleOnUp;
556
557 // the pen used to draw horiz/vertical rules
558 wxPen m_penRule;
559
560 // the pen used to draw the expander and the lines
561 wxPen m_penExpander;
562
563 // This is the tree structure of the model
564 wxDataViewTreeNode * m_root;
565 int m_count;
566
567 // This is the tree node under the cursor
568 wxDataViewTreeNode * m_underMouse;
569
570 private:
571 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
572 DECLARE_EVENT_TABLE()
573 };
574
575 // ---------------------------------------------------------
576 // wxGenericDataViewModelNotifier
577 // ---------------------------------------------------------
578
579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
580 {
581 public:
582 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
583 { m_mainWindow = mainWindow; }
584
585 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
586 { return m_mainWindow->ItemAdded( parent , item ); }
587 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
588 { return m_mainWindow->ItemDeleted( parent, item ); }
589 virtual bool ItemChanged( const wxDataViewItem & item )
590 { return m_mainWindow->ItemChanged(item); }
591 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
592 { return m_mainWindow->ValueChanged( item, col ); }
593 virtual bool Cleared()
594 { return m_mainWindow->Cleared(); }
595 virtual void Resort()
596 { m_mainWindow->Resort(); }
597
598 wxDataViewMainWindow *m_mainWindow;
599 };
600
601 // ---------------------------------------------------------
602 // wxDataViewRenderer
603 // ---------------------------------------------------------
604
605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
606
607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
608 wxDataViewCellMode mode,
609 int align) :
610 wxDataViewRendererBase( varianttype, mode, align )
611 {
612 m_dc = NULL;
613 m_align = align;
614 m_mode = mode;
615 }
616
617 wxDataViewRenderer::~wxDataViewRenderer()
618 {
619 if (m_dc)
620 delete m_dc;
621 }
622
623 bool
624 wxDataViewRenderer::RenderWithAttr(wxDC& dc,
625 const wxRect& cell_rect,
626 int align,
627 const wxDataViewItemAttr *WXUNUSED(attr),
628 int state)
629 {
630 // adjust the rectangle ourselves to account for the alignment
631
632 wxRect item_rect = cell_rect;
633 if ( align )
634 {
635 const wxSize size = GetSize();
636
637 // horizontal alignment:
638 if (align & wxALIGN_CENTER_HORIZONTAL)
639 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
640 else if (align & wxALIGN_RIGHT)
641 item_rect.x = cell_rect.x + cell_rect.width - size.x;
642 // else: wxALIGN_LEFT is the default
643
644 // vertical alignment:
645 item_rect.y = cell_rect.y;
646 if (align & wxALIGN_CENTER_VERTICAL)
647 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
648 else if (align & wxALIGN_BOTTOM)
649 item_rect.y = cell_rect.y + cell_rect.height - size.y;
650 // else: wxALIGN_TOP is the default
651
652 item_rect.SetSize(size);
653 }
654
655 return Render(item_rect, &dc, state);
656 }
657
658 wxDC *wxDataViewRenderer::GetDC()
659 {
660 if (m_dc == NULL)
661 {
662 if (GetOwner() == NULL)
663 return NULL;
664 if (GetOwner()->GetOwner() == NULL)
665 return NULL;
666 m_dc = new wxClientDC( GetOwner()->GetOwner() );
667 }
668
669 return m_dc;
670 }
671
672 void wxDataViewRenderer::SetAlignment( int align )
673 {
674 m_align=align;
675 }
676
677 int wxDataViewRenderer::GetAlignment() const
678 {
679 return m_align;
680 }
681
682 int wxDataViewRenderer::CalculateAlignment() const
683 {
684 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
685 {
686 if (GetOwner() == NULL)
687 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
688
689 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
690 }
691
692 return m_align;
693 }
694
695 // ---------------------------------------------------------
696 // wxDataViewCustomRenderer
697 // ---------------------------------------------------------
698
699 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
700
701 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
702 wxDataViewCellMode mode, int align ) :
703 wxDataViewRenderer( varianttype, mode, align )
704 {
705 }
706
707 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
708 wxRect cell, wxDC *dc, int state )
709 {
710 wxColour col = state & wxDATAVIEW_CELL_SELECTED
711 ? wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT)
712 : GetOwner()->GetOwner()->GetForegroundColour();
713
714 wxDataViewItemAttr attr;
715 attr.SetColour(col);
716 RenderText(*dc, cell, wxALIGN_NOT, text, &attr, state, xoffset);
717 }
718
719 void
720 wxDataViewCustomRenderer::RenderText(wxDC& dc,
721 const wxRect& rect,
722 int align,
723 const wxString& text,
724 const wxDataViewItemAttr *attr,
725 int WXUNUSED(state),
726 int xoffset)
727 {
728 wxDCTextColourChanger changeFg(dc);
729 if ( attr && attr->HasColour() )
730 changeFg.Set(attr->GetColour());
731
732 wxDCFontChanger changeFont(dc);
733 if ( attr && attr->HasFont() )
734 {
735 wxFont font(dc.GetFont());
736 if ( attr->GetBold() )
737 font.MakeBold();
738 if ( attr->GetItalic() )
739 font.MakeItalic();
740
741 changeFont.Set(font);
742 }
743
744 wxRect rectText = rect;
745 rectText.x += xoffset;
746 rectText.width -= xoffset;
747
748 dc.DrawLabel(text, rectText, align);
749 }
750
751 // ---------------------------------------------------------
752 // wxDataViewTextRenderer
753 // ---------------------------------------------------------
754
755 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
756
757 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
758 wxDataViewCellMode mode, int align ) :
759 wxDataViewCustomRenderer( varianttype, mode, align )
760 {
761 }
762
763 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
764 {
765 m_text = value.GetString();
766
767 return true;
768 }
769
770 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
771 {
772 return false;
773 }
774
775 bool wxDataViewTextRenderer::HasEditorCtrl() const
776 {
777 return true;
778 }
779
780 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
781 wxRect labelRect, const wxVariant &value )
782 {
783 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
784 wxPoint(labelRect.x,labelRect.y),
785 wxSize(labelRect.width,labelRect.height) );
786
787 // select the text in the control an place the cursor at the end
788 ctrl->SetInsertionPointEnd();
789 ctrl->SelectAll();
790
791 return ctrl;
792 }
793
794 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
795 {
796 wxTextCtrl *text = (wxTextCtrl*) editor;
797 value = text->GetValue();
798 return true;
799 }
800
801 bool
802 wxDataViewTextRenderer::RenderWithAttr(wxDC& dc,
803 const wxRect& rect,
804 int align,
805 const wxDataViewItemAttr *attr,
806 int state)
807 {
808 RenderText(dc, rect, align, m_text, attr, state);
809 return true;
810 }
811
812 wxSize wxDataViewTextRenderer::GetSize() const
813 {
814 const wxDataViewCtrl *view = GetView();
815 if (!m_text.empty())
816 return view->wxWindowBase::GetTextExtent( m_text );
817 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
818 }
819
820 // ---------------------------------------------------------
821 // wxDataViewBitmapRenderer
822 // ---------------------------------------------------------
823
824 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
825
826 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
827 wxDataViewCellMode mode, int align ) :
828 wxDataViewCustomRenderer( varianttype, mode, align )
829 {
830 }
831
832 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
833 {
834 if (value.GetType() == wxT("wxBitmap"))
835 m_bitmap << value;
836 if (value.GetType() == wxT("wxIcon"))
837 m_icon << value;
838
839 return true;
840 }
841
842 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
843 {
844 return false;
845 }
846
847 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
848 {
849 if (m_bitmap.Ok())
850 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
851 else if (m_icon.Ok())
852 dc->DrawIcon( m_icon, cell.x, cell.y );
853
854 return true;
855 }
856
857 wxSize wxDataViewBitmapRenderer::GetSize() const
858 {
859 if (m_bitmap.Ok())
860 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
861 else if (m_icon.Ok())
862 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
863
864 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
865 }
866
867 // ---------------------------------------------------------
868 // wxDataViewToggleRenderer
869 // ---------------------------------------------------------
870
871 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
872
873 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
874 wxDataViewCellMode mode, int align ) :
875 wxDataViewCustomRenderer( varianttype, mode, align )
876 {
877 m_toggle = false;
878 }
879
880 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
881 {
882 m_toggle = value.GetBool();
883
884 return true;
885 }
886
887 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
888 {
889 return false;
890 }
891
892 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
893 {
894 int flags = 0;
895 if (m_toggle)
896 flags |= wxCONTROL_CHECKED;
897 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
898 flags |= wxCONTROL_DISABLED;
899
900 wxRendererNative::Get().DrawCheckBox(
901 GetOwner()->GetOwner(),
902 *dc,
903 cell,
904 flags );
905
906 return true;
907 }
908
909 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
910 wxDataViewModel *model,
911 const wxDataViewItem & item, unsigned int col)
912 {
913 bool value = !m_toggle;
914 wxVariant variant = value;
915 model->SetValue( variant, item, col);
916 model->ValueChanged( item, col );
917 return true;
918 }
919
920 wxSize wxDataViewToggleRenderer::GetSize() const
921 {
922 // the window parameter is not used by GetCheckBoxSize() so it's
923 // safe to pass NULL
924 return wxRendererNative::Get().GetCheckBoxSize(NULL);
925 }
926
927 // ---------------------------------------------------------
928 // wxDataViewProgressRenderer
929 // ---------------------------------------------------------
930
931 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
932
933 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
934 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
935 wxDataViewCustomRenderer( varianttype, mode, align )
936 {
937 m_label = label;
938 m_value = 0;
939 }
940
941 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
942 {
943 m_value = (long) value;
944
945 if (m_value < 0) m_value = 0;
946 if (m_value > 100) m_value = 100;
947
948 return true;
949 }
950
951 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
952 {
953 value = (long) m_value;
954 return true;
955 }
956
957 bool wxDataViewProgressRenderer::RenderWithAttr(wxDC& dc,
958 const wxRect& rect,
959 int WXUNUSED(align),
960 const wxDataViewItemAttr *attr,
961 int WXUNUSED(state))
962 {
963 // deflat the rect to leave a small border between bars in adjacent rows
964 wxRect bar = rect.Deflate(0, 1);
965
966 dc.SetBrush( *wxTRANSPARENT_BRUSH );
967 dc.SetPen( *wxBLACK_PEN );
968 dc.DrawRectangle( bar );
969
970 bar.width = (int)(bar.width * m_value / 100.);
971 dc.SetPen( *wxTRANSPARENT_PEN );
972 dc.SetBrush( attr && attr->HasColour() ? wxBrush(attr->GetColour())
973 : *wxBLUE_BRUSH );
974 dc.DrawRectangle( bar );
975
976 return true;
977 }
978
979 wxSize wxDataViewProgressRenderer::GetSize() const
980 {
981 return wxSize(40,12);
982 }
983
984 // ---------------------------------------------------------
985 // wxDataViewDateRenderer
986 // ---------------------------------------------------------
987
988 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
989
990 #if wxUSE_DATE_RENDERER_POPUP
991
992 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
993 {
994 public:
995 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
996 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
997 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
998 m_item( item )
999 {
1000 m_model = model;
1001 m_col = col;
1002 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
1003 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
1004 sizer->Add( m_cal, 1, wxGROW );
1005 SetSizer( sizer );
1006 sizer->Fit( this );
1007 }
1008
1009 void OnCalendar( wxCalendarEvent &event );
1010
1011 wxCalendarCtrl *m_cal;
1012 wxDataViewModel *m_model;
1013 unsigned int m_col;
1014 const wxDataViewItem & m_item;
1015
1016 protected:
1017 virtual void OnDismiss()
1018 {
1019 }
1020
1021 private:
1022 DECLARE_EVENT_TABLE()
1023 };
1024
1025 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1026 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1027 END_EVENT_TABLE()
1028
1029 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1030 {
1031 wxDateTime date = event.GetDate();
1032 wxVariant value = date;
1033 m_model->SetValue( value, m_item, m_col );
1034 m_model->ValueChanged( m_item, m_col );
1035 DismissAndNotify();
1036 }
1037
1038 #endif // wxUSE_DATE_RENDERER_POPUP
1039
1040 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1041
1042 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1043 wxDataViewCellMode mode, int align ) :
1044 wxDataViewCustomRenderer( varianttype, mode, align )
1045 {
1046 }
1047
1048 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1049 {
1050 m_date = value.GetDateTime();
1051
1052 return true;
1053 }
1054
1055 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1056 {
1057 value = m_date;
1058 return true;
1059 }
1060
1061 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1062 {
1063 wxString tmp = m_date.FormatDate();
1064 RenderText( tmp, 0, cell, dc, state );
1065 return true;
1066 }
1067
1068 wxSize wxDataViewDateRenderer::GetSize() const
1069 {
1070 const wxDataViewCtrl* view = GetView();
1071 wxString tmp = m_date.FormatDate();
1072 wxCoord x,y,d;
1073 view->GetTextExtent( tmp, &x, &y, &d );
1074 return wxSize(x,y+d);
1075 }
1076
1077 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1078 const wxDataViewItem & item, unsigned int col )
1079 {
1080 wxVariant variant;
1081 model->GetValue( variant, item, col );
1082 wxDateTime value = variant.GetDateTime();
1083
1084 #if wxUSE_DATE_RENDERER_POPUP
1085 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1086 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1087 wxPoint pos = wxGetMousePosition();
1088 popup->Move( pos );
1089 popup->Layout();
1090 popup->Popup( popup->m_cal );
1091 #else // !wxUSE_DATE_RENDERER_POPUP
1092 wxMessageBox(value.Format());
1093 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1094 return true;
1095 }
1096
1097 // ---------------------------------------------------------
1098 // wxDataViewIconTextRenderer
1099 // ---------------------------------------------------------
1100
1101 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1102
1103 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1104 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1105 wxDataViewCustomRenderer( varianttype, mode, align )
1106 {
1107 SetMode(mode);
1108 SetAlignment(align);
1109 }
1110
1111 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1112 {
1113 }
1114
1115 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1116 {
1117 m_value << value;
1118 return true;
1119 }
1120
1121 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1122 {
1123 return false;
1124 }
1125
1126 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1127 {
1128 int xoffset = 0;
1129 const wxIcon &icon = m_value.GetIcon();
1130 if (icon.IsOk())
1131 {
1132 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1133 xoffset = icon.GetWidth()+4;
1134 }
1135
1136 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1137
1138 return true;
1139 }
1140
1141 wxSize wxDataViewIconTextRenderer::GetSize() const
1142 {
1143 const wxDataViewCtrl *view = GetView();
1144 if (!m_value.GetText().empty())
1145 {
1146 int x,y;
1147 view->GetTextExtent( m_value.GetText(), &x, &y );
1148
1149 if (m_value.GetIcon().IsOk())
1150 x += m_value.GetIcon().GetWidth() + 4;
1151 return wxSize( x, y );
1152 }
1153 return wxSize(80,20);
1154 }
1155
1156 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1157 {
1158 wxDataViewIconText iconText;
1159 iconText << value;
1160
1161 wxString text = iconText.GetText();
1162
1163 // adjust the label rect to take the width of the icon into account
1164 if (iconText.GetIcon().IsOk())
1165 {
1166 int w = iconText.GetIcon().GetWidth() + 4;
1167 labelRect.x += w;
1168 labelRect.width -= w;
1169 }
1170
1171 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1172 wxPoint(labelRect.x,labelRect.y),
1173 wxSize(labelRect.width,labelRect.height) );
1174
1175 // select the text in the control an place the cursor at the end
1176 ctrl->SetInsertionPointEnd();
1177 ctrl->SelectAll();
1178
1179 return ctrl;
1180 }
1181
1182 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1183 {
1184 wxTextCtrl *text = (wxTextCtrl*) editor;
1185
1186 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1187 value << iconText;
1188 return true;
1189 }
1190
1191 //-----------------------------------------------------------------------------
1192 // wxDataViewDropTarget
1193 //-----------------------------------------------------------------------------
1194
1195 #if wxUSE_DRAG_AND_DROP
1196
1197 class wxBitmapCanvas: public wxWindow
1198 {
1199 public:
1200 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1201 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1202 {
1203 m_bitmap = bitmap;
1204 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1205 }
1206
1207 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1208 {
1209 wxPaintDC dc(this);
1210 dc.DrawBitmap( m_bitmap, 0, 0);
1211 }
1212
1213 wxBitmap m_bitmap;
1214 };
1215
1216 class wxDataViewDropSource: public wxDropSource
1217 {
1218 public:
1219 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1220 wxDropSource( win )
1221 {
1222 m_win = win;
1223 m_row = row;
1224 m_hint = NULL;
1225 }
1226
1227 ~wxDataViewDropSource()
1228 {
1229 delete m_hint;
1230 }
1231
1232 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1233 {
1234 wxPoint pos = wxGetMousePosition();
1235
1236 if (!m_hint)
1237 {
1238 int liney = m_win->GetLineStart( m_row );
1239 int linex = 0;
1240 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1241 m_win->ClientToScreen( &linex, &liney );
1242 m_dist_x = pos.x - linex;
1243 m_dist_y = pos.y - liney;
1244
1245 int indent = 0;
1246 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1247 m_dist_x -= indent;
1248 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1249 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1250 ib.GetSize(),
1251 wxFRAME_TOOL_WINDOW |
1252 wxFRAME_FLOAT_ON_PARENT |
1253 wxFRAME_NO_TASKBAR |
1254 wxNO_BORDER );
1255 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1256 m_hint->Show();
1257 }
1258 else
1259 {
1260 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1261 m_hint->SetTransparent( 128 );
1262 }
1263
1264 return false;
1265 }
1266
1267 wxDataViewMainWindow *m_win;
1268 unsigned int m_row;
1269 wxFrame *m_hint;
1270 int m_dist_x,m_dist_y;
1271 };
1272
1273
1274 class wxDataViewDropTarget: public wxDropTarget
1275 {
1276 public:
1277 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1278 wxDropTarget( obj )
1279 {
1280 m_win = win;
1281 }
1282
1283 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1284 {
1285 wxDataFormat format = GetMatchingPair();
1286 if (format == wxDF_INVALID)
1287 return wxDragNone;
1288 return m_win->OnDragOver( format, x, y, def);
1289 }
1290
1291 virtual bool OnDrop( wxCoord x, wxCoord y )
1292 {
1293 wxDataFormat format = GetMatchingPair();
1294 if (format == wxDF_INVALID)
1295 return false;
1296 return m_win->OnDrop( format, x, y );
1297 }
1298
1299 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1300 {
1301 wxDataFormat format = GetMatchingPair();
1302 if (format == wxDF_INVALID)
1303 return wxDragNone;
1304 if (!GetData())
1305 return wxDragNone;
1306 return m_win->OnData( format, x, y, def );
1307 }
1308
1309 virtual void OnLeave()
1310 { m_win->OnLeave(); }
1311
1312 wxDataViewMainWindow *m_win;
1313 };
1314
1315 #endif // wxUSE_DRAG_AND_DROP
1316
1317 //-----------------------------------------------------------------------------
1318 // wxDataViewRenameTimer
1319 //-----------------------------------------------------------------------------
1320
1321 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1322 {
1323 m_owner = owner;
1324 }
1325
1326 void wxDataViewRenameTimer::Notify()
1327 {
1328 m_owner->OnRenameTimer();
1329 }
1330
1331 //-----------------------------------------------------------------------------
1332 // wxDataViewMainWindow
1333 //-----------------------------------------------------------------------------
1334
1335 // The tree building helper, declared firstly
1336 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1337 wxDataViewTreeNode * node);
1338
1339 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1340 {
1341 if (row1 > row2) return 1;
1342 if (row1 == row2) return 0;
1343 return -1;
1344 }
1345
1346 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1347
1348 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1349 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1350 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1351 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1352 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1353 EVT_CHAR (wxDataViewMainWindow::OnChar)
1354 END_EVENT_TABLE()
1355
1356 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1357 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1358 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1359 m_selection( wxDataViewSelectionCmp )
1360
1361 {
1362 SetOwner( parent );
1363
1364 m_lastOnSame = false;
1365 m_renameTimer = new wxDataViewRenameTimer( this );
1366
1367 // TODO: user better initial values/nothing selected
1368 m_currentCol = NULL;
1369 m_currentRow = 0;
1370
1371 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1372
1373 #if wxUSE_DRAG_AND_DROP
1374 m_dragCount = 0;
1375 m_dragStart = wxPoint(0,0);
1376
1377 m_dragEnabled = false;
1378 m_dropEnabled = false;
1379 m_dropHint = false;
1380 m_dropHintLine = (unsigned int) -1;
1381 #endif // wxUSE_DRAG_AND_DROP
1382
1383 m_lineLastClicked = (unsigned int) -1;
1384 m_lineBeforeLastClicked = (unsigned int) -1;
1385 m_lineSelectSingleOnUp = (unsigned int) -1;
1386
1387 m_hasFocus = false;
1388
1389 SetBackgroundColour( *wxWHITE );
1390
1391 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1392
1393 m_penRule = wxPen(GetRuleColour());
1394
1395 // compose a pen whichcan draw black lines
1396 // TODO: maybe there is something system colour to use
1397 m_penExpander = wxPen(wxColour(0,0,0));
1398
1399 m_root = new wxDataViewTreeNode( NULL );
1400 m_root->SetHasChildren(true);
1401
1402 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1403 m_count = -1;
1404 m_underMouse = NULL;
1405 UpdateDisplay();
1406 }
1407
1408 wxDataViewMainWindow::~wxDataViewMainWindow()
1409 {
1410 DestroyTree();
1411 delete m_renameTimer;
1412 }
1413
1414
1415 #if wxUSE_DRAG_AND_DROP
1416 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1417 {
1418 m_dragFormat = format;
1419 m_dragEnabled = format != wxDF_INVALID;
1420
1421 return true;
1422 }
1423
1424 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1425 {
1426 m_dropFormat = format;
1427 m_dropEnabled = format != wxDF_INVALID;
1428
1429 if (m_dropEnabled)
1430 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1431
1432 return true;
1433 }
1434
1435 void wxDataViewMainWindow::RemoveDropHint()
1436 {
1437 if (m_dropHint)
1438 {
1439 m_dropHint = false;
1440 RefreshRow( m_dropHintLine );
1441 m_dropHintLine = (unsigned int) -1;
1442 }
1443 }
1444
1445 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1446 wxCoord y, wxDragResult def )
1447 {
1448 int xx = x;
1449 int yy = y;
1450 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1451 unsigned int row = GetLineAt( yy );
1452
1453 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1454 {
1455 RemoveDropHint();
1456 return wxDragNone;
1457 }
1458
1459 wxDataViewItem item = GetItemByRow( row );
1460
1461 wxDataViewModel *model = GetOwner()->GetModel();
1462
1463 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1464 event.SetEventObject( m_owner );
1465 event.SetItem( item );
1466 event.SetModel( model );
1467 event.SetDataFormat( format );
1468 if (!m_owner->HandleWindowEvent( event ))
1469 {
1470 RemoveDropHint();
1471 return wxDragNone;
1472 }
1473
1474 if (!event.IsAllowed())
1475 {
1476 RemoveDropHint();
1477 return wxDragNone;
1478 }
1479
1480
1481 if (m_dropHint && (row != m_dropHintLine))
1482 RefreshRow( m_dropHintLine );
1483 m_dropHint = true;
1484 m_dropHintLine = row;
1485 RefreshRow( row );
1486
1487 return def;
1488 }
1489
1490 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1491 {
1492 RemoveDropHint();
1493
1494 int xx = x;
1495 int yy = y;
1496 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1497 unsigned int row = GetLineAt( yy );
1498
1499 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1500 return false;
1501
1502 wxDataViewItem item = GetItemByRow( row );
1503
1504 wxDataViewModel *model = GetOwner()->GetModel();
1505
1506 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1507 event.SetEventObject( m_owner );
1508 event.SetItem( item );
1509 event.SetModel( model );
1510 event.SetDataFormat( format );
1511 if (!m_owner->HandleWindowEvent( event ))
1512 return false;
1513
1514 if (!event.IsAllowed())
1515 return false;
1516
1517 return true;
1518 }
1519
1520 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1521 wxDragResult def )
1522 {
1523 int xx = x;
1524 int yy = y;
1525 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1526 unsigned int row = GetLineAt( yy );
1527
1528 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1529 return wxDragNone;
1530
1531 wxDataViewItem item = GetItemByRow( row );
1532
1533 wxDataViewModel *model = GetOwner()->GetModel();
1534
1535 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1536
1537 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1538 event.SetEventObject( m_owner );
1539 event.SetItem( item );
1540 event.SetModel( model );
1541 event.SetDataFormat( format );
1542 event.SetDataSize( obj->GetSize() );
1543 event.SetDataBuffer( obj->GetData() );
1544 if (!m_owner->HandleWindowEvent( event ))
1545 return wxDragNone;
1546
1547 if (!event.IsAllowed())
1548 return wxDragNone;
1549
1550 return def;
1551 }
1552
1553 void wxDataViewMainWindow::OnLeave()
1554 {
1555 RemoveDropHint();
1556 }
1557
1558 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1559 {
1560 int height = GetLineHeight( row );
1561 int width = 0;
1562 unsigned int cols = GetOwner()->GetColumnCount();
1563 unsigned int col;
1564 for (col = 0; col < cols; col++)
1565 {
1566 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1567 if (column->IsHidden())
1568 continue; // skip it!
1569 width += column->GetWidth();
1570 }
1571
1572 indent = 0;
1573 if (!IsVirtualList())
1574 {
1575 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1576 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1577 indent = indent + m_lineHeight;
1578 // try to use the m_lineHeight as the expander space
1579
1580 if(!node->HasChildren())
1581 delete node;
1582 }
1583 width -= indent;
1584
1585 wxBitmap bitmap( width, height );
1586 wxMemoryDC dc( bitmap );
1587 dc.SetFont( GetFont() );
1588 dc.SetPen( *wxBLACK_PEN );
1589 dc.SetBrush( *wxWHITE_BRUSH );
1590 dc.DrawRectangle( 0,0,width,height );
1591
1592 wxDataViewModel *model = m_owner->GetModel();
1593
1594 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1595 if (!expander)
1596 {
1597 // TODO-RTL: last column for RTL support
1598 expander = GetOwner()->GetColumnAt( 0 );
1599 GetOwner()->SetExpanderColumn(expander);
1600 }
1601
1602
1603 int x = 0;
1604 for (col = 0; col < cols; col++)
1605 {
1606 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1607 wxDataViewRenderer *cell = column->GetRenderer();
1608
1609 if (column->IsHidden())
1610 continue; // skip it!
1611
1612 width = column->GetWidth();
1613
1614 if (column == expander)
1615 width -= indent;
1616
1617 wxVariant value;
1618 wxDataViewItem item = GetItemByRow( row );
1619 model->GetValue( value, item, column->GetModelColumn());
1620 cell->SetValue( value );
1621
1622 wxRect item_rect(x, 0, width, height);
1623 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1624
1625 // dc.SetClippingRegion( item_rect );
1626 wxDataViewItemAttr attr;
1627 const bool
1628 hasAttr = model->GetAttr(item, column->GetModelColumn(), attr);
1629 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1630 hasAttr ? &attr : NULL, 0);
1631 // dc.DestroyClippingRegion();
1632
1633 x += width;
1634 }
1635
1636 return bitmap;
1637 }
1638
1639 #endif // wxUSE_DRAG_AND_DROP
1640
1641
1642 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1643 {
1644 wxDataViewModel *model = GetOwner()->GetModel();
1645 wxAutoBufferedPaintDC dc( this );
1646
1647 #ifdef __WXMSW__
1648 dc.SetBrush(GetOwner()->GetBackgroundColour());
1649 dc.SetPen( *wxTRANSPARENT_PEN );
1650 dc.DrawRectangle(GetClientSize());
1651 #endif
1652
1653 // prepare the DC
1654 GetOwner()->PrepareDC( dc );
1655 dc.SetFont( GetFont() );
1656
1657 wxRect update = GetUpdateRegion().GetBox();
1658 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1659
1660 // compute which items needs to be redrawn
1661 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1662 unsigned int item_count =
1663 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1664 (int)(GetRowCount( ) - item_start));
1665 unsigned int item_last = item_start + item_count;
1666 // Get the parent of DataViewCtrl
1667 wxWindow *parent = GetParent()->GetParent();
1668 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1669 cache_event.SetEventObject(GetParent());
1670 cache_event.SetCache(item_start, item_last - 1);
1671 parent->ProcessWindowEvent(cache_event);
1672
1673 // compute which columns needs to be redrawn
1674 unsigned int cols = GetOwner()->GetColumnCount();
1675 unsigned int col_start = 0;
1676 unsigned int x_start;
1677 for (x_start = 0; col_start < cols; col_start++)
1678 {
1679 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1680 if (col->IsHidden())
1681 continue; // skip it!
1682
1683 unsigned int w = col->GetWidth();
1684 if (x_start+w >= (unsigned int)update.x)
1685 break;
1686
1687 x_start += w;
1688 }
1689
1690 unsigned int col_last = col_start;
1691 unsigned int x_last = x_start;
1692 for (; col_last < cols; col_last++)
1693 {
1694 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1695 if (col->IsHidden())
1696 continue; // skip it!
1697
1698 if (x_last > (unsigned int)update.GetRight())
1699 break;
1700
1701 x_last += col->GetWidth();
1702 }
1703
1704 // Draw horizontal rules if required
1705 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1706 {
1707 dc.SetPen(m_penRule);
1708 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1709
1710 for (unsigned int i = item_start; i <= item_last; i++)
1711 {
1712 int y = GetLineStart( i );
1713 dc.DrawLine(x_start, y, x_last, y);
1714 }
1715 }
1716
1717 // Draw vertical rules if required
1718 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1719 {
1720 dc.SetPen(m_penRule);
1721 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1722
1723 int x = x_start;
1724 for (unsigned int i = col_start; i < col_last; i++)
1725 {
1726 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1727 if (col->IsHidden())
1728 continue; // skip it
1729
1730 dc.DrawLine(x, GetLineStart( item_start ),
1731 x, GetLineStart( item_last ) );
1732
1733 x += col->GetWidth();
1734 }
1735
1736 // Draw last vertical rule
1737 dc.DrawLine(x, GetLineStart( item_start ),
1738 x, GetLineStart( item_last ) );
1739 }
1740
1741 // redraw the background for the items which are selected/current
1742 for (unsigned int item = item_start; item < item_last; item++)
1743 {
1744 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1745 if (selected || item == m_currentRow)
1746 {
1747 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1748 if (item == m_currentRow)
1749 flags |= wxCONTROL_CURRENT;
1750 if (m_hasFocus)
1751 flags |= wxCONTROL_FOCUSED;
1752
1753 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1754 wxRendererNative::Get().DrawItemSelectionRect
1755 (
1756 this,
1757 dc,
1758 rect,
1759 flags
1760 );
1761 }
1762 }
1763
1764 #if wxUSE_DRAG_AND_DROP
1765 if (m_dropHint)
1766 {
1767 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1768 x_last, GetLineHeight( m_dropHintLine ) );
1769 dc.SetPen( *wxBLACK_PEN );
1770 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1771 dc.DrawRectangle( rect );
1772 }
1773 #endif // wxUSE_DRAG_AND_DROP
1774
1775 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1776 if (!expander)
1777 {
1778 // TODO-RTL: last column for RTL support
1779 expander = GetOwner()->GetColumnAt( 0 );
1780 GetOwner()->SetExpanderColumn(expander);
1781 }
1782
1783 // redraw all cells for all rows which must be repainted and all columns
1784 wxRect cell_rect;
1785 cell_rect.x = x_start;
1786 for (unsigned int i = col_start; i < col_last; i++)
1787 {
1788 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1789 wxDataViewRenderer *cell = col->GetRenderer();
1790 cell_rect.width = col->GetWidth();
1791
1792 if (col->IsHidden())
1793 continue; // skip it!
1794
1795 for (unsigned int item = item_start; item < item_last; item++)
1796 {
1797 // get the cell value and set it into the renderer
1798 wxVariant value;
1799 wxDataViewTreeNode *node = NULL;
1800 wxDataViewItem dataitem;
1801
1802 if (!IsVirtualList())
1803 {
1804 node = GetTreeNodeByRow(item);
1805 if( node == NULL )
1806 continue;
1807
1808 dataitem = node->GetItem();
1809
1810 if ((i > 0) && model->IsContainer(dataitem) &&
1811 !model->HasContainerColumns(dataitem))
1812 continue;
1813 }
1814 else
1815 {
1816 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1817 }
1818
1819 model->GetValue( value, dataitem, col->GetModelColumn());
1820 cell->SetValue( value );
1821
1822 // update cell_rect
1823 cell_rect.y = GetLineStart( item );
1824 cell_rect.height = GetLineHeight( item );
1825
1826 // Draw the expander here.
1827 int indent = 0;
1828 if ((!IsVirtualList()) && (col == expander))
1829 {
1830 indent = node->GetIndentLevel();
1831
1832 // Calculate the indent first
1833 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1834
1835 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1836
1837 // change the cell_rect.x to the appropriate pos
1838 int expander_x = indent + EXPANDER_MARGIN;
1839 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1840 - (expander_width/2) - EXPANDER_OFFSET;
1841
1842 indent = indent + m_lineHeight;
1843 // try to use the m_lineHeight as the expander space
1844
1845 dc.SetPen( m_penExpander );
1846 dc.SetBrush( wxNullBrush );
1847 if( node->HasChildren() )
1848 {
1849 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1850 int flag = 0;
1851 if (m_underMouse == node)
1852 {
1853 flag |= wxCONTROL_CURRENT;
1854 }
1855 if( node->IsOpen() )
1856 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1857 flag|wxCONTROL_EXPANDED );
1858 else
1859 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1860 }
1861
1862 // force the expander column to left-center align
1863 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1864 }
1865 if (node && !node->HasChildren())
1866 {
1867 // Yes, if the node does not have any child, it must be a leaf which
1868 // mean that it is a temporarily created by GetTreeNodeByRow
1869 wxDELETE(node);
1870 }
1871
1872 wxRect item_rect = cell_rect;
1873 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1874
1875 // account for the tree indent (harmless if we're not indented)
1876 item_rect.x += indent;
1877 item_rect.width -= indent;
1878
1879 int state = 0;
1880 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1881 state |= wxDATAVIEW_CELL_SELECTED;
1882
1883 // TODO: it would be much more efficient to create a clipping
1884 // region for the entire column being rendered (in the OnPaint
1885 // of wxDataViewMainWindow) instead of a single clip region for
1886 // each cell. However it would mean that each renderer should
1887 // respect the given wxRect's top & bottom coords, eventually
1888 // violating only the left & right coords - however the user can
1889 // make its own renderer and thus we cannot be sure of that.
1890 wxDCClipper clip(dc, item_rect);
1891
1892 wxDataViewItemAttr attr;
1893 const bool
1894 hasAttr = model->GetAttr(dataitem, col->GetModelColumn(), attr);
1895 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1896 hasAttr ? &attr : NULL, state);
1897 }
1898
1899 cell_rect.x += cell_rect.width;
1900 }
1901 }
1902
1903 void wxDataViewMainWindow::OnRenameTimer()
1904 {
1905 // We have to call this here because changes may just have
1906 // been made and no screen update taken place.
1907 if ( m_dirty )
1908 {
1909 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1910 // (needs to be tested!)
1911 wxSafeYield();
1912 }
1913
1914 wxDataViewItem item = GetItemByRow( m_currentRow );
1915
1916 wxRect labelRect = GetItemRect(item, m_currentCol);
1917
1918 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1919 }
1920
1921 //-----------------------------------------------------------------------------
1922 // Helper class for do operation on the tree node
1923 //-----------------------------------------------------------------------------
1924 class DoJob
1925 {
1926 public:
1927 DoJob() { }
1928 virtual ~DoJob() { }
1929
1930 // The return value control how the tree-walker tranverse the tree
1931 // 0: Job done, stop tranverse and return
1932 // 1: Ignore the current node's subtree and continue
1933 // 2: Job not done, continue
1934 enum { OK = 0 , IGR = 1, CONT = 2 };
1935 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1936 virtual int operator() ( void * n ) = 0;
1937 };
1938
1939 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1940 {
1941 if( node==NULL )
1942 return false;
1943
1944 switch( func( node ) )
1945 {
1946 case DoJob::OK :
1947 return true;
1948 case DoJob::IGR:
1949 return false;
1950 case DoJob::CONT:
1951 default:
1952 ;
1953 }
1954
1955 wxDataViewTreeNodes nodes = node->GetNodes();
1956 wxDataViewTreeLeaves leaves = node->GetChildren();
1957
1958 int len_nodes = nodes.GetCount();
1959 int len = leaves.GetCount();
1960 int i = 0, nodes_i = 0;
1961
1962 for(; i < len; i ++ )
1963 {
1964 void * n = leaves[i];
1965 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1966 {
1967 wxDataViewTreeNode * nd = nodes[nodes_i];
1968 nodes_i++;
1969
1970 if( Walker( nd , func ) )
1971 return true;
1972
1973 }
1974 else
1975 switch( func( n ) )
1976 {
1977 case DoJob::OK :
1978 return true;
1979 case DoJob::IGR:
1980 continue;
1981 case DoJob::CONT:
1982 default:
1983 ;
1984 }
1985 }
1986 return false;
1987 }
1988
1989 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1990 {
1991 if (IsVirtualList())
1992 {
1993 wxDataViewVirtualListModel *list_model =
1994 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1995 m_count = list_model->GetCount();
1996 UpdateDisplay();
1997 return true;
1998 }
1999
2000 SortPrepare();
2001
2002 wxDataViewTreeNode * node;
2003 node = FindNode(parent);
2004
2005 if( node == NULL )
2006 return false;
2007
2008 node->SetHasChildren( true );
2009
2010 if( g_model->IsContainer( item ) )
2011 {
2012 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2013 newnode->SetItem(item);
2014 newnode->SetHasChildren( true );
2015 node->AddNode( newnode);
2016 }
2017 else
2018 node->AddLeaf( item.GetID() );
2019
2020 node->ChangeSubTreeCount(1);
2021
2022 m_count = -1;
2023 UpdateDisplay();
2024
2025 return true;
2026 }
2027
2028 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2029
2030 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2031 const wxDataViewItem& item)
2032 {
2033 if (IsVirtualList())
2034 {
2035 wxDataViewVirtualListModel *list_model =
2036 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2037 m_count = list_model->GetCount();
2038
2039 if( m_currentRow > GetRowCount() )
2040 m_currentRow = m_count - 1;
2041
2042 // TODO: why empty the entire selection?
2043 m_selection.Empty();
2044
2045 UpdateDisplay();
2046
2047 return true;
2048 }
2049
2050 wxDataViewTreeNode * node = FindNode(parent);
2051
2052 wxCHECK_MSG( node != NULL, false, "item not found" );
2053 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2054 false, "item not found" );
2055
2056 int sub = -1;
2057 node->GetChildren().Remove( item.GetID() );
2058 // Manipolate selection
2059 if( m_selection.GetCount() > 1 )
2060 {
2061 m_selection.Empty();
2062 }
2063 bool isContainer = false;
2064 wxDataViewTreeNodes nds = node->GetNodes();
2065 for (size_t i = 0; i < nds.GetCount(); i ++)
2066 {
2067 if (nds[i]->GetItem() == item)
2068 {
2069 isContainer = true;
2070 break;
2071 }
2072 }
2073 if( isContainer )
2074 {
2075 wxDataViewTreeNode * n = NULL;
2076 wxDataViewTreeNodes nodes = node->GetNodes();
2077 int len = nodes.GetCount();
2078 for( int i = 0; i < len; i ++)
2079 {
2080 if( nodes[i]->GetItem() == item )
2081 {
2082 n = nodes[i];
2083 break;
2084 }
2085 }
2086
2087 wxCHECK_MSG( n != NULL, false, "item not found" );
2088
2089 node->GetNodes().Remove( n );
2090 sub -= n->GetSubTreeCount();
2091 ::DestroyTreeHelper(n);
2092 }
2093 // Make the row number invalid and get a new valid one when user call GetRowCount
2094 m_count = -1;
2095 node->ChangeSubTreeCount(sub);
2096
2097 // Change the current row to the last row if the current exceed the max row number
2098 if( m_currentRow > GetRowCount() )
2099 m_currentRow = m_count - 1;
2100
2101 UpdateDisplay();
2102
2103 return true;
2104 }
2105
2106 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2107 {
2108 SortPrepare();
2109 g_model->Resort();
2110
2111 // Send event
2112 wxWindow *parent = GetParent();
2113 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2114 le.SetEventObject(parent);
2115 le.SetModel(GetOwner()->GetModel());
2116 le.SetItem(item);
2117 parent->GetEventHandler()->ProcessEvent(le);
2118
2119 return true;
2120 }
2121
2122 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2123 {
2124 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2125 /*#define MAX_VIRTUAL_WIDTH 100000
2126
2127 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2128 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2129 Refresh( true, &rect );
2130
2131 return true;
2132 */
2133 SortPrepare();
2134 g_model->Resort();
2135
2136 // Send event
2137 wxWindow *parent = GetParent();
2138 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2139 le.SetEventObject(parent);
2140 le.SetModel(GetOwner()->GetModel());
2141 le.SetItem(item);
2142 le.SetColumn(col);
2143 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2144 parent->GetEventHandler()->ProcessEvent(le);
2145
2146 return true;
2147 }
2148
2149 bool wxDataViewMainWindow::Cleared()
2150 {
2151 DestroyTree();
2152
2153 SortPrepare();
2154 BuildTree( GetOwner()->GetModel() );
2155
2156 UpdateDisplay();
2157
2158 return true;
2159 }
2160
2161 void wxDataViewMainWindow::UpdateDisplay()
2162 {
2163 m_dirty = true;
2164 }
2165
2166 void wxDataViewMainWindow::OnInternalIdle()
2167 {
2168 wxWindow::OnInternalIdle();
2169
2170 if (m_dirty)
2171 {
2172 RecalculateDisplay();
2173 m_dirty = false;
2174 }
2175 }
2176
2177 void wxDataViewMainWindow::RecalculateDisplay()
2178 {
2179 wxDataViewModel *model = GetOwner()->GetModel();
2180 if (!model)
2181 {
2182 Refresh();
2183 return;
2184 }
2185
2186 int width = GetEndOfLastCol();
2187 int height = GetLineStart( GetRowCount() );
2188
2189 SetVirtualSize( width, height );
2190 GetOwner()->SetScrollRate( 10, m_lineHeight );
2191
2192 Refresh();
2193 }
2194
2195 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2196 {
2197 wxWindow::ScrollWindow( dx, dy, rect );
2198
2199 if (GetOwner()->m_headerArea)
2200 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2201 }
2202
2203 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2204 {
2205 int x, y;
2206 m_owner->GetScrollPixelsPerUnit( &x, &y );
2207 int sy = GetLineStart( rows )/y;
2208 int sx = 0;
2209 if( column != -1 )
2210 {
2211 wxRect rect = GetClientRect();
2212 int colnum = 0;
2213 int x_start, w = 0;
2214 int xx, yy, xe;
2215 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2216 for (x_start = 0; colnum < column; colnum++)
2217 {
2218 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2219 if (col->IsHidden())
2220 continue; // skip it!
2221
2222 w = col->GetWidth();
2223 x_start += w;
2224 }
2225
2226 int x_end = x_start + w;
2227 xe = xx + rect.width;
2228 if( x_end > xe )
2229 {
2230 sx = ( xx + x_end - xe )/x;
2231 }
2232 if( x_start < xx )
2233 {
2234 sx = x_start/x;
2235 }
2236 }
2237 m_owner->Scroll( sx, sy );
2238 }
2239
2240 int wxDataViewMainWindow::GetCountPerPage() const
2241 {
2242 wxSize size = GetClientSize();
2243 return size.y / m_lineHeight;
2244 }
2245
2246 int wxDataViewMainWindow::GetEndOfLastCol() const
2247 {
2248 int width = 0;
2249 unsigned int i;
2250 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2251 {
2252 const wxDataViewColumn *c =
2253 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2254
2255 if (!c->IsHidden())
2256 width += c->GetWidth();
2257 }
2258 return width;
2259 }
2260
2261 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2262 {
2263 int x = 0;
2264 int y = 0;
2265 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2266
2267 return GetLineAt( y );
2268 }
2269
2270 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2271 {
2272 wxSize client_size = GetClientSize();
2273 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2274 &client_size.x, &client_size.y );
2275
2276 // we should deal with the pixel here
2277 unsigned int row = GetLineAt(client_size.y) - 1;
2278
2279 return wxMin( GetRowCount()-1, row );
2280 }
2281
2282 unsigned int wxDataViewMainWindow::GetRowCount()
2283 {
2284 if ( m_count == -1 )
2285 {
2286 m_count = RecalculateCount();
2287 UpdateDisplay();
2288 }
2289 return m_count;
2290 }
2291
2292 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2293 {
2294 m_currentRow = row;
2295
2296 // send event
2297 }
2298
2299 void wxDataViewMainWindow::SelectAllRows( bool on )
2300 {
2301 if (IsEmpty())
2302 return;
2303
2304 if (on)
2305 {
2306 m_selection.Clear();
2307 for (unsigned int i = 0; i < GetRowCount(); i++)
2308 m_selection.Add( i );
2309 Refresh();
2310 }
2311 else
2312 {
2313 unsigned int first_visible = GetFirstVisibleRow();
2314 unsigned int last_visible = GetLastVisibleRow();
2315 unsigned int i;
2316 for (i = 0; i < m_selection.GetCount(); i++)
2317 {
2318 unsigned int row = m_selection[i];
2319 if ((row >= first_visible) && (row <= last_visible))
2320 RefreshRow( row );
2321 }
2322 m_selection.Clear();
2323 }
2324 }
2325
2326 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2327 {
2328 if (m_selection.Index( row ) == wxNOT_FOUND)
2329 {
2330 if (on)
2331 {
2332 m_selection.Add( row );
2333 RefreshRow( row );
2334 }
2335 }
2336 else
2337 {
2338 if (!on)
2339 {
2340 m_selection.Remove( row );
2341 RefreshRow( row );
2342 }
2343 }
2344 }
2345
2346 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2347 {
2348 if (from > to)
2349 {
2350 unsigned int tmp = from;
2351 from = to;
2352 to = tmp;
2353 }
2354
2355 unsigned int i;
2356 for (i = from; i <= to; i++)
2357 {
2358 if (m_selection.Index( i ) == wxNOT_FOUND)
2359 {
2360 if (on)
2361 m_selection.Add( i );
2362 }
2363 else
2364 {
2365 if (!on)
2366 m_selection.Remove( i );
2367 }
2368 }
2369 RefreshRows( from, to );
2370 }
2371
2372 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2373 {
2374 for (size_t i=0; i < aSelections.GetCount(); i++)
2375 {
2376 int n = aSelections[i];
2377
2378 m_selection.Add( n );
2379 RefreshRow( n );
2380 }
2381 }
2382
2383 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2384 {
2385 if (m_selection.Index( row ) == wxNOT_FOUND)
2386 m_selection.Add( row );
2387 else
2388 m_selection.Remove( row );
2389 RefreshRow( row );
2390 }
2391
2392 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2393 {
2394 return (m_selection.Index( row ) != wxNOT_FOUND);
2395 }
2396
2397 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2398 {
2399 wxWindow *parent = GetParent();
2400 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2401
2402 le.SetEventObject(parent);
2403 le.SetModel(GetOwner()->GetModel());
2404 le.SetItem( item );
2405
2406 parent->GetEventHandler()->ProcessEvent(le);
2407 }
2408
2409 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2410 {
2411 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2412 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2413
2414 wxSize client_size = GetClientSize();
2415 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2416 wxRect intersect_rect = client_rect.Intersect( rect );
2417 if (intersect_rect.width > 0)
2418 Refresh( true, &intersect_rect );
2419 }
2420
2421 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2422 {
2423 if (from > to)
2424 {
2425 unsigned int tmp = to;
2426 to = from;
2427 from = tmp;
2428 }
2429
2430 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2431 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2432
2433 wxSize client_size = GetClientSize();
2434 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2435 wxRect intersect_rect = client_rect.Intersect( rect );
2436 if (intersect_rect.width > 0)
2437 Refresh( true, &intersect_rect );
2438 }
2439
2440 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2441 {
2442 wxSize client_size = GetClientSize();
2443 int start = GetLineStart( firstRow );
2444 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2445 if (start > client_size.y) return;
2446
2447 wxRect rect( 0, start, client_size.x, client_size.y - start );
2448
2449 Refresh( true, &rect );
2450 }
2451
2452 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2453 {
2454 wxCHECK_RET( newCurrent < GetRowCount(),
2455 wxT("invalid item index in OnArrowChar()") );
2456
2457 // if there is no selection, we cannot move it anywhere
2458 if (!HasCurrentRow())
2459 return;
2460
2461 unsigned int oldCurrent = m_currentRow;
2462
2463 // in single selection we just ignore Shift as we can't select several
2464 // items anyhow
2465 if ( event.ShiftDown() && !IsSingleSel() )
2466 {
2467 RefreshRow( oldCurrent );
2468
2469 ChangeCurrentRow( newCurrent );
2470
2471 // select all the items between the old and the new one
2472 if ( oldCurrent > newCurrent )
2473 {
2474 newCurrent = oldCurrent;
2475 oldCurrent = m_currentRow;
2476 }
2477
2478 SelectRows( oldCurrent, newCurrent, true );
2479 if (oldCurrent!=newCurrent)
2480 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2481 }
2482 else // !shift
2483 {
2484 RefreshRow( oldCurrent );
2485
2486 // all previously selected items are unselected unless ctrl is held
2487 if ( !event.ControlDown() )
2488 SelectAllRows(false);
2489
2490 ChangeCurrentRow( newCurrent );
2491
2492 if ( !event.ControlDown() )
2493 {
2494 SelectRow( m_currentRow, true );
2495 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2496 }
2497 else
2498 RefreshRow( m_currentRow );
2499 }
2500
2501 GetOwner()->EnsureVisible( m_currentRow, -1 );
2502 }
2503
2504 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2505 {
2506 wxRect rect;
2507 rect.x = 0;
2508 rect.y = GetLineStart( row );
2509 rect.width = GetEndOfLastCol();
2510 rect.height = GetLineHeight( row );
2511
2512 return rect;
2513 }
2514
2515 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2516 {
2517 const wxDataViewModel *model = GetOwner()->GetModel();
2518
2519 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2520 {
2521 // TODO make more efficient
2522
2523 int start = 0;
2524
2525 unsigned int r;
2526 for (r = 0; r < row; r++)
2527 {
2528 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2529 if (!node) return start;
2530
2531 wxDataViewItem item = node->GetItem();
2532
2533 if (node && !node->HasChildren())
2534 {
2535 // Yes, if the node does not have any child, it must be a leaf which
2536 // mean that it is a temporarily created by GetTreeNodeByRow
2537 wxDELETE(node);
2538 }
2539
2540 unsigned int cols = GetOwner()->GetColumnCount();
2541 unsigned int col;
2542 int height = m_lineHeight;
2543 for (col = 0; col < cols; col++)
2544 {
2545 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2546 if (column->IsHidden())
2547 continue; // skip it!
2548
2549 if ((col != 0) &&
2550 model->IsContainer(item) &&
2551 !model->HasContainerColumns(item))
2552 continue; // skip it!
2553
2554 wxVariant value;
2555 model->GetValue( value, item, column->GetModelColumn() );
2556
2557 wxDataViewRenderer *renderer =
2558 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2559 renderer->SetValue( value );
2560 height = wxMax( height, renderer->GetSize().y );
2561 }
2562
2563 start += height;
2564 }
2565
2566 return start;
2567 }
2568 else
2569 {
2570 return row * m_lineHeight;
2571 }
2572 }
2573
2574 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2575 {
2576 const wxDataViewModel *model = GetOwner()->GetModel();
2577
2578 // check for the easy case first
2579 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2580 return y / m_lineHeight;
2581
2582 // TODO make more efficient
2583 unsigned int row = 0;
2584 unsigned int yy = 0;
2585 for (;;)
2586 {
2587 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2588 if (!node)
2589 {
2590 // not really correct...
2591 return row + ((y-yy) / m_lineHeight);
2592 }
2593
2594 wxDataViewItem item = node->GetItem();
2595
2596 if (node && !node->HasChildren())
2597 {
2598 // Yes, if the node does not have any child, it must be a leaf which
2599 // mean that it is a temporarily created by GetTreeNodeByRow
2600 wxDELETE(node);
2601 }
2602
2603 unsigned int cols = GetOwner()->GetColumnCount();
2604 unsigned int col;
2605 int height = m_lineHeight;
2606 for (col = 0; col < cols; col++)
2607 {
2608 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2609 if (column->IsHidden())
2610 continue; // skip it!
2611
2612 if ((col != 0) &&
2613 model->IsContainer(item) &&
2614 !model->HasContainerColumns(item))
2615 continue; // skip it!
2616
2617 wxVariant value;
2618 model->GetValue( value, item, column->GetModelColumn() );
2619
2620 wxDataViewRenderer *renderer =
2621 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2622 renderer->SetValue( value );
2623 height = wxMax( height, renderer->GetSize().y );
2624 }
2625
2626 yy += height;
2627 if (y < yy)
2628 return row;
2629
2630 row++;
2631 }
2632 }
2633
2634 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2635 {
2636 const wxDataViewModel *model = GetOwner()->GetModel();
2637
2638 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2639 {
2640 wxASSERT( !IsVirtualList() );
2641
2642 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2643 // wxASSERT( node );
2644 if (!node) return m_lineHeight;
2645
2646 wxDataViewItem item = node->GetItem();
2647
2648 if (node && !node->HasChildren())
2649 {
2650 // Yes, if the node does not have any child, it must be a leaf which
2651 // mean that it is a temporarily created by GetTreeNodeByRow
2652 wxDELETE(node);
2653 }
2654
2655 int height = m_lineHeight;
2656
2657 unsigned int cols = GetOwner()->GetColumnCount();
2658 unsigned int col;
2659 for (col = 0; col < cols; col++)
2660 {
2661 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2662 if (column->IsHidden())
2663 continue; // skip it!
2664
2665 if ((col != 0) &&
2666 model->IsContainer(item) &&
2667 !model->HasContainerColumns(item))
2668 continue; // skip it!
2669
2670 wxVariant value;
2671 model->GetValue( value, item, column->GetModelColumn() );
2672
2673 wxDataViewRenderer *renderer =
2674 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2675 renderer->SetValue( value );
2676 height = wxMax( height, renderer->GetSize().y );
2677 }
2678
2679 return height;
2680 }
2681 else
2682 {
2683 return m_lineHeight;
2684 }
2685 }
2686
2687 class RowToItemJob: public DoJob
2688 {
2689 public:
2690 RowToItemJob( unsigned int row , int current )
2691 { this->row = row; this->current = current; }
2692 virtual ~RowToItemJob() {}
2693
2694 virtual int operator() ( wxDataViewTreeNode * node )
2695 {
2696 current ++;
2697 if( current == static_cast<int>(row))
2698 {
2699 ret = node->GetItem();
2700 return DoJob::OK;
2701 }
2702
2703 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2704 {
2705 current += node->GetSubTreeCount();
2706 return DoJob::IGR;
2707 }
2708 else
2709 {
2710 // If the current has no child node, we can find the desired item of the row
2711 // number directly.
2712 // This if can speed up finding in some case, and will has a very good effect
2713 // when it comes to list view
2714 if( node->GetNodes().GetCount() == 0)
2715 {
2716 int index = static_cast<int>(row) - current - 1;
2717 ret = node->GetChildren().Item( index );
2718 return DoJob::OK;
2719 }
2720 return DoJob::CONT;
2721 }
2722 }
2723
2724 virtual int operator() ( void * n )
2725 {
2726 current ++;
2727 if( current == static_cast<int>(row))
2728 {
2729 ret = wxDataViewItem( n );
2730 return DoJob::OK;
2731 }
2732 return DoJob::CONT;
2733 }
2734
2735 wxDataViewItem GetResult() const
2736 { return ret; }
2737
2738 private:
2739 unsigned int row;
2740 int current;
2741 wxDataViewItem ret;
2742 };
2743
2744 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2745 {
2746 if (IsVirtualList())
2747 {
2748 return wxDataViewItem( wxUIntToPtr(row+1) );
2749 }
2750 else
2751 {
2752 RowToItemJob job( row, -2 );
2753 Walker( m_root , job );
2754 return job.GetResult();
2755 }
2756 }
2757
2758 class RowToTreeNodeJob: public DoJob
2759 {
2760 public:
2761 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2762 {
2763 this->row = row;
2764 this->current = current;
2765 ret = NULL;
2766 parent = node;
2767 }
2768 virtual ~RowToTreeNodeJob(){ }
2769
2770 virtual int operator() ( wxDataViewTreeNode * node )
2771 {
2772 current ++;
2773 if( current == static_cast<int>(row))
2774 {
2775 ret = node;
2776 return DoJob::OK;
2777 }
2778
2779 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2780 {
2781 current += node->GetSubTreeCount();
2782 return DoJob::IGR;
2783 }
2784 else
2785 {
2786 parent = node;
2787
2788 // If the current node has no children, we can find the desired item of the
2789 // row number directly.
2790 // This if can speed up finding in some case, and will have a very good
2791 // effect for list views.
2792 if( node->GetNodes().GetCount() == 0)
2793 {
2794 int index = static_cast<int>(row) - current - 1;
2795 void * n = node->GetChildren().Item( index );
2796 ret = new wxDataViewTreeNode( parent );
2797 ret->SetItem( wxDataViewItem( n ));
2798 ret->SetHasChildren(false);
2799 return DoJob::OK;
2800 }
2801 return DoJob::CONT;
2802 }
2803 }
2804
2805 virtual int operator() ( void * n )
2806 {
2807 current ++;
2808 if( current == static_cast<int>(row))
2809 {
2810 ret = new wxDataViewTreeNode( parent );
2811 ret->SetItem( wxDataViewItem( n ));
2812 ret->SetHasChildren(false);
2813 return DoJob::OK;
2814 }
2815
2816 return DoJob::CONT;
2817 }
2818
2819 wxDataViewTreeNode * GetResult() const
2820 { return ret; }
2821
2822 private:
2823 unsigned int row;
2824 int current;
2825 wxDataViewTreeNode * ret;
2826 wxDataViewTreeNode * parent;
2827 };
2828
2829 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2830 {
2831 wxASSERT( !IsVirtualList() );
2832
2833 RowToTreeNodeJob job( row , -2, m_root );
2834 Walker( m_root , job );
2835 return job.GetResult();
2836 }
2837
2838 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2839 const wxDataViewItem & item )
2840 {
2841 wxWindow *parent = GetParent();
2842 wxDataViewEvent le(type, parent->GetId());
2843
2844 le.SetEventObject(parent);
2845 le.SetModel(GetOwner()->GetModel());
2846 le.SetItem( item );
2847
2848 parent->GetEventHandler()->ProcessEvent(le);
2849 return le;
2850 }
2851
2852 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2853 {
2854 if (IsVirtualList())
2855 return false;
2856
2857 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2858 if (!node)
2859 return false;
2860
2861 if (!node->HasChildren())
2862 {
2863 delete node;
2864 return false;
2865 }
2866
2867 return node->IsOpen();
2868 }
2869
2870 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2871 {
2872 if (IsVirtualList())
2873 return false;
2874
2875 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2876 if (!node)
2877 return false;
2878
2879 if (!node->HasChildren())
2880 {
2881 delete node;
2882 return false;
2883 }
2884
2885 return true;
2886 }
2887
2888 void wxDataViewMainWindow::Expand( unsigned int row )
2889 {
2890 if (IsVirtualList())
2891 return;
2892
2893 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2894 if (!node)
2895 return;
2896
2897 if (!node->HasChildren())
2898 {
2899 delete node;
2900 return;
2901 }
2902
2903 if (!node->IsOpen())
2904 {
2905 wxDataViewEvent e =
2906 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2907
2908 // Check if the user prevent expanding
2909 if( e.GetSkipped() )
2910 return;
2911
2912 node->ToggleOpen();
2913
2914 // build the children of current node
2915 if( node->GetChildrenNumber() == 0 )
2916 {
2917 SortPrepare();
2918 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2919 }
2920
2921 // By expanding the node all row indices that are currently in the selection list
2922 // and are greater than our node have become invalid. So we have to correct that now.
2923 const unsigned rowAdjustment = node->GetSubTreeCount();
2924 for(unsigned i=0; i<m_selection.size(); ++i)
2925 {
2926 const unsigned testRow = m_selection[i];
2927 // all rows above us are not affected, so skip them
2928 if(testRow <= row)
2929 continue;
2930
2931 m_selection[i] += rowAdjustment;
2932 }
2933
2934 if(m_currentRow > row)
2935 ChangeCurrentRow(m_currentRow + rowAdjustment);
2936
2937 m_count = -1;
2938 UpdateDisplay();
2939 // Send the expanded event
2940 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2941 }
2942 }
2943
2944 void wxDataViewMainWindow::Collapse(unsigned int row)
2945 {
2946 if (IsVirtualList())
2947 return;
2948
2949 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2950 if (!node)
2951 return;
2952
2953 if (!node->HasChildren())
2954 {
2955 delete node;
2956 return;
2957 }
2958
2959 if (node->IsOpen())
2960 {
2961 wxDataViewEvent e =
2962 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2963 if( e.GetSkipped() )
2964 return;
2965
2966 // Find out if there are selected items below the current node.
2967 bool selectCollapsingRow = false;
2968 const unsigned rowAdjustment = node->GetSubTreeCount();
2969 unsigned maxRowToBeTested = row + rowAdjustment;
2970 for(unsigned i=0; i<m_selection.size(); ++i)
2971 {
2972 const unsigned testRow = m_selection[i];
2973 if(testRow > row && testRow <= maxRowToBeTested)
2974 {
2975 selectCollapsingRow = true;
2976 // get out as soon as we have found a node that is selected
2977 break;
2978 }
2979 }
2980
2981 node->ToggleOpen();
2982
2983 // If the node to be closed has selected items the user won't see those any longer.
2984 // We select the collapsing node in this case.
2985 if(selectCollapsingRow)
2986 {
2987 SelectAllRows(false);
2988 ChangeCurrentRow(row);
2989 SelectRow(row, true);
2990 SendSelectionChangedEvent(GetItemByRow(row));
2991 }
2992 else
2993 {
2994 // if there were no selected items below our node we still need to "fix" the
2995 // selection list to adjust for the changing of the row indices.
2996 // We actually do the opposite of what we are doing in Expand().
2997 for(unsigned i=0; i<m_selection.size(); ++i)
2998 {
2999 const unsigned testRow = m_selection[i];
3000 // all rows above us are not affected, so skip them
3001 if(testRow <= row)
3002 continue;
3003
3004 m_selection[i] -= rowAdjustment;
3005 }
3006
3007 // if the "current row" is being collapsed away we change it to the current row ;-)
3008 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3009 ChangeCurrentRow(row);
3010 else if(m_currentRow > row)
3011 ChangeCurrentRow(m_currentRow - rowAdjustment);
3012 }
3013
3014 m_count = -1;
3015 UpdateDisplay();
3016 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3017 }
3018 }
3019
3020 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3021 {
3022 wxDataViewModel * model = GetOwner()->GetModel();
3023 if( model == NULL )
3024 return NULL;
3025
3026 if (!item.IsOk())
3027 return m_root;
3028
3029 // Compose the a parent-chain of the finding item
3030 ItemList list;
3031 list.DeleteContents( true );
3032 wxDataViewItem it( item );
3033 while( it.IsOk() )
3034 {
3035 wxDataViewItem * pItem = new wxDataViewItem( it );
3036 list.Insert( pItem );
3037 it = model->GetParent( it );
3038 }
3039
3040 // Find the item along the parent-chain.
3041 // This algorithm is designed to speed up the node-finding method
3042 wxDataViewTreeNode * node = m_root;
3043 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3044 {
3045 if( node->HasChildren() )
3046 {
3047 if( node->GetChildrenNumber() == 0 )
3048 {
3049 SortPrepare();
3050 ::BuildTreeHelper(model, node->GetItem(), node);
3051 }
3052
3053 wxDataViewTreeNodes nodes = node->GetNodes();
3054 unsigned int i;
3055 bool found = false;
3056
3057 for (i = 0; i < nodes.GetCount(); i ++)
3058 {
3059 if (nodes[i]->GetItem() == (**iter))
3060 {
3061 if (nodes[i]->GetItem() == item)
3062 return nodes[i];
3063
3064 node = nodes[i];
3065 found = true;
3066 break;
3067 }
3068 }
3069 if (!found)
3070 return NULL;
3071 }
3072 else
3073 return NULL;
3074 }
3075 return NULL;
3076 }
3077
3078 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3079 wxDataViewColumn* &column )
3080 {
3081 wxDataViewColumn *col = NULL;
3082 unsigned int cols = GetOwner()->GetColumnCount();
3083 unsigned int colnum = 0;
3084 int x, y;
3085 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3086 for (unsigned x_start = 0; colnum < cols; colnum++)
3087 {
3088 col = GetOwner()->GetColumnAt(colnum);
3089 if (col->IsHidden())
3090 continue; // skip it!
3091
3092 unsigned int w = col->GetWidth();
3093 if (x_start+w >= (unsigned int)x)
3094 break;
3095
3096 x_start += w;
3097 }
3098
3099 column = col;
3100 item = GetItemByRow( GetLineAt( y ) );
3101 }
3102
3103 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3104 const wxDataViewColumn* column )
3105 {
3106 int xpos = 0;
3107 int width = 0;
3108
3109 unsigned int cols = GetOwner()->GetColumnCount();
3110 // If column is null the loop will compute the combined width of all columns.
3111 // Otherwise, it will compute the x position of the column we are looking for.
3112 for (unsigned int i = 0; i < cols; i++)
3113 {
3114 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3115
3116 if (col == column)
3117 break;
3118
3119 if (col->IsHidden())
3120 continue; // skip it!
3121
3122 xpos += col->GetWidth();
3123 width += col->GetWidth();
3124 }
3125
3126 if(column != 0)
3127 {
3128 // If we have a column, we need can get its width directly.
3129 if(column->IsHidden())
3130 width = 0;
3131 else
3132 width = column->GetWidth();
3133
3134 }
3135 else
3136 {
3137 // If we have no column, we reset the x position back to zero.
3138 xpos = 0;
3139 }
3140
3141 // we have to take an expander column into account and compute its indentation
3142 // to get the correct x position where the actual text is
3143 int indent = 0;
3144 int row = GetRowByItem(item);
3145 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3146 {
3147 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3148 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3149 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3150
3151 if(!node->HasChildren())
3152 delete node;
3153 }
3154
3155 wxRect itemRect( xpos + indent,
3156 GetLineStart( row ),
3157 width - indent,
3158 GetLineHeight( row ) );
3159
3160 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3161 &itemRect.x, &itemRect.y );
3162
3163 return itemRect;
3164 }
3165
3166 int wxDataViewMainWindow::RecalculateCount()
3167 {
3168 if (IsVirtualList())
3169 {
3170 wxDataViewVirtualListModel *list_model =
3171 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3172
3173 return list_model->GetCount();
3174 }
3175 else
3176 {
3177 return m_root->GetSubTreeCount();
3178 }
3179 }
3180
3181 class ItemToRowJob : public DoJob
3182 {
3183 public:
3184 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3185 : m_iter(iter),
3186 item(item_)
3187 {
3188 ret = -1;
3189 }
3190
3191 // Maybe binary search will help to speed up this process
3192 virtual int operator() ( wxDataViewTreeNode * node)
3193 {
3194 ret ++;
3195 if( node->GetItem() == item )
3196 {
3197 return DoJob::OK;
3198 }
3199
3200 if( node->GetItem() == **m_iter )
3201 {
3202 m_iter++;
3203 return DoJob::CONT;
3204 }
3205 else
3206 {
3207 ret += node->GetSubTreeCount();
3208 return DoJob::IGR;
3209 }
3210
3211 }
3212
3213 virtual int operator() ( void * n )
3214 {
3215 ret ++;
3216 if( n == item.GetID() )
3217 return DoJob::OK;
3218 return DoJob::CONT;
3219 }
3220
3221 // the row number is begin from zero
3222 int GetResult() const
3223 { return ret -1; }
3224
3225 private:
3226 ItemList::const_iterator m_iter;
3227 wxDataViewItem item;
3228 int ret;
3229
3230 };
3231
3232 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3233 {
3234 const wxDataViewModel * model = GetOwner()->GetModel();
3235 if( model == NULL )
3236 return -1;
3237
3238 if (IsVirtualList())
3239 {
3240 return wxPtrToUInt( item.GetID() ) -1;
3241 }
3242 else
3243 {
3244 if( !item.IsOk() )
3245 return -1;
3246
3247 // Compose the a parent-chain of the finding item
3248 ItemList list;
3249 wxDataViewItem * pItem;
3250 list.DeleteContents( true );
3251 wxDataViewItem it( item );
3252 while( it.IsOk() )
3253 {
3254 pItem = new wxDataViewItem( it );
3255 list.Insert( pItem );
3256 it = model->GetParent( it );
3257 }
3258 pItem = new wxDataViewItem( );
3259 list.Insert( pItem );
3260
3261 ItemToRowJob job( item, list.begin() );
3262 Walker(m_root , job );
3263 return job.GetResult();
3264 }
3265 }
3266
3267 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3268 wxDataViewTreeNode * node)
3269 {
3270 if( !model->IsContainer( item ) )
3271 return;
3272
3273 wxDataViewItemArray children;
3274 unsigned int num = model->GetChildren( item, children);
3275
3276 unsigned int index = 0;
3277 while( index < num )
3278 {
3279 if( model->IsContainer( children[index] ) )
3280 {
3281 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3282 n->SetItem(children[index]);
3283 n->SetHasChildren( true );
3284 node->AddNode( n );
3285 }
3286 else
3287 {
3288 node->AddLeaf( children[index].GetID() );
3289 }
3290 index ++;
3291 }
3292 node->SetSubTreeCount( num );
3293 wxDataViewTreeNode * n = node->GetParent();
3294 if( n != NULL)
3295 n->ChangeSubTreeCount(num);
3296
3297 }
3298
3299 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3300 {
3301 DestroyTree();
3302
3303 if (GetOwner()->GetModel()->IsVirtualListModel())
3304 {
3305 m_count = -1;
3306 return;
3307 }
3308
3309 m_root = new wxDataViewTreeNode( NULL );
3310 m_root->SetHasChildren(true);
3311
3312 // First we define a invalid item to fetch the top-level elements
3313 wxDataViewItem item;
3314 SortPrepare();
3315 BuildTreeHelper( model, item, m_root);
3316 m_count = -1;
3317 }
3318
3319 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3320 {
3321 if( node->GetNodeNumber() != 0 )
3322 {
3323 int len = node->GetNodeNumber();
3324 wxDataViewTreeNodes& nodes = node->GetNodes();
3325 for (int i = 0; i < len; i++)
3326 DestroyTreeHelper(nodes[i]);
3327 }
3328 delete node;
3329 }
3330
3331 void wxDataViewMainWindow::DestroyTree()
3332 {
3333 if (!IsVirtualList())
3334 {
3335 ::DestroyTreeHelper(m_root);
3336 m_count = 0;
3337 m_root = NULL;
3338 }
3339 }
3340
3341 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3342 {
3343 if ( GetParent()->HandleAsNavigationKey(event) )
3344 return;
3345
3346 // no item -> nothing to do
3347 if (!HasCurrentRow())
3348 {
3349 event.Skip();
3350 return;
3351 }
3352
3353 // don't use m_linesPerPage directly as it might not be computed yet
3354 const int pageSize = GetCountPerPage();
3355 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3356
3357 switch ( event.GetKeyCode() )
3358 {
3359 case WXK_RETURN:
3360 {
3361 wxWindow *parent = GetParent();
3362 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3363 parent->GetId());
3364 le.SetItem( GetItemByRow(m_currentRow) );
3365 le.SetEventObject(parent);
3366 le.SetModel(GetOwner()->GetModel());
3367
3368 parent->GetEventHandler()->ProcessEvent(le);
3369 }
3370 break;
3371
3372 case WXK_UP:
3373 if ( m_currentRow > 0 )
3374 OnArrowChar( m_currentRow - 1, event );
3375 break;
3376
3377 case WXK_DOWN:
3378 if ( m_currentRow < GetRowCount() - 1 )
3379 OnArrowChar( m_currentRow + 1, event );
3380 break;
3381 // Add the process for tree expanding/collapsing
3382 case WXK_LEFT:
3383 {
3384 if (IsVirtualList())
3385 break;
3386
3387 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3388 if (!node)
3389 break;
3390
3391 if (node->HasChildren() && node->IsOpen())
3392 {
3393 Collapse(m_currentRow);
3394 }
3395 else // if the node is already closed we move the selection to its parent
3396 {
3397 wxDataViewTreeNode *parent_node = node->GetParent();
3398
3399 if(!node->HasChildren())
3400 delete node;
3401
3402 if (parent_node)
3403 {
3404 int parent = GetRowByItem( parent_node->GetItem() );
3405 if ( parent >= 0 )
3406 {
3407 unsigned int row = m_currentRow;
3408 SelectRow( row, false);
3409 SelectRow( parent, true );
3410 ChangeCurrentRow( parent );
3411 GetOwner()->EnsureVisible( parent, -1 );
3412 SendSelectionChangedEvent( parent_node->GetItem() );
3413 }
3414 }
3415 }
3416 break;
3417 }
3418 case WXK_RIGHT:
3419 {
3420 if (!IsExpanded( m_currentRow ))
3421 Expand( m_currentRow );
3422 else
3423 {
3424 unsigned int row = m_currentRow;
3425 SelectRow( row, false );
3426 SelectRow( row + 1, true );
3427 ChangeCurrentRow( row + 1 );
3428 GetOwner()->EnsureVisible( row + 1, -1 );
3429 SendSelectionChangedEvent( GetItemByRow(row+1) );
3430 }
3431 break;
3432 }
3433 case WXK_END:
3434 {
3435 if (!IsEmpty())
3436 OnArrowChar( GetRowCount() - 1, event );
3437 break;
3438 }
3439 case WXK_HOME:
3440 if (!IsEmpty())
3441 OnArrowChar( 0, event );
3442 break;
3443
3444 case WXK_PAGEUP:
3445 {
3446 int steps = pageSize - 1;
3447 int index = m_currentRow - steps;
3448 if (index < 0)
3449 index = 0;
3450
3451 OnArrowChar( index, event );
3452 }
3453 break;
3454
3455 case WXK_PAGEDOWN:
3456 {
3457 int steps = pageSize - 1;
3458 unsigned int index = m_currentRow + steps;
3459 unsigned int count = GetRowCount();
3460 if ( index >= count )
3461 index = count - 1;
3462
3463 OnArrowChar( index, event );
3464 }
3465 break;
3466
3467 case WXK_F2:
3468 {
3469 if(m_selection.size() == 1)
3470 {
3471 // TODO: we need to revise that when we have a concept for a 'current column'
3472 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3473 }
3474 }
3475 break;
3476
3477 default:
3478 event.Skip();
3479 }
3480 }
3481
3482 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3483 {
3484 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3485 {
3486 // let the base handle mouse wheel events.
3487 event.Skip();
3488 return;
3489 }
3490
3491 int x = event.GetX();
3492 int y = event.GetY();
3493 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3494 wxDataViewColumn *col = NULL;
3495
3496 int xpos = 0;
3497 unsigned int cols = GetOwner()->GetColumnCount();
3498 unsigned int i;
3499 for (i = 0; i < cols; i++)
3500 {
3501 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3502 if (c->IsHidden())
3503 continue; // skip it!
3504
3505 if (x < xpos + c->GetWidth())
3506 {
3507 col = c;
3508 break;
3509 }
3510 xpos += c->GetWidth();
3511 }
3512 if (!col)
3513 return;
3514
3515 wxDataViewRenderer *cell = col->GetRenderer();
3516 unsigned int current = GetLineAt( y );
3517 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3518 {
3519 // Unselect all if below the last row ?
3520 return;
3521 }
3522
3523 // Test whether the mouse is hovered on the tree item button
3524 bool hoverOverExpander = false;
3525 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3526 {
3527 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3528 if( node!=NULL && node->HasChildren() )
3529 {
3530 int indent = node->GetIndentLevel();
3531 indent = GetOwner()->GetIndent()*indent;
3532
3533 // we make the rectangle we are looking in a bit bigger than the actual
3534 // visual expander so the user can hit that little thing reliably
3535 wxRect rect( xpos + indent,
3536 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3537 m_lineHeight, m_lineHeight);
3538 if( rect.Contains(x, y) )
3539 {
3540 // So the mouse is over the expander
3541 hoverOverExpander = true;
3542 if (m_underMouse && m_underMouse != node)
3543 {
3544 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3545 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3546 }
3547 if (m_underMouse != node)
3548 {
3549 // wxLogMessage("Do the row: %d", current);
3550 RefreshRow(current);
3551 }
3552 m_underMouse = node;
3553 }
3554 }
3555 if (node!=NULL && !node->HasChildren())
3556 delete node;
3557 }
3558 if (!hoverOverExpander)
3559 {
3560 if (m_underMouse != NULL)
3561 {
3562 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3563 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3564 m_underMouse = NULL;
3565 }
3566 }
3567
3568 wxDataViewModel *model = GetOwner()->GetModel();
3569
3570 #if wxUSE_DRAG_AND_DROP
3571 if (event.Dragging())
3572 {
3573 if (m_dragCount == 0)
3574 {
3575 // we have to report the raw, physical coords as we want to be
3576 // able to call HitTest(event.m_pointDrag) from the user code to
3577 // get the item being dragged
3578 m_dragStart = event.GetPosition();
3579 }
3580
3581 m_dragCount++;
3582
3583 if (m_dragCount != 3)
3584 return;
3585
3586 if (event.LeftIsDown())
3587 {
3588 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3589 &m_dragStart.x, &m_dragStart.y );
3590 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3591 wxDataViewItem item = GetItemByRow( drag_item_row );
3592
3593 // Notify cell about drag
3594 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3595 event.SetEventObject( m_owner );
3596 event.SetItem( item );
3597 event.SetModel( model );
3598 if (!m_owner->HandleWindowEvent( event ))
3599 return;
3600
3601 if (!event.IsAllowed())
3602 return;
3603
3604 wxDataObject *obj = event.GetDataObject();
3605 if (!obj)
3606 return;
3607
3608 wxDataViewDropSource drag( this, drag_item_row );
3609 drag.SetData( *obj );
3610 /* wxDragResult res = */ drag.DoDragDrop();
3611 delete obj;
3612 }
3613 return;
3614 }
3615 else
3616 {
3617 m_dragCount = 0;
3618 }
3619 #endif // wxUSE_DRAG_AND_DROP
3620
3621 bool simulateClick = false;
3622
3623 if (event.ButtonDClick())
3624 {
3625 m_renameTimer->Stop();
3626 m_lastOnSame = false;
3627 }
3628
3629 wxDataViewItem item = GetItemByRow(current);
3630 bool ignore_other_columns =
3631 ((GetOwner()->GetExpanderColumn() != col) &&
3632 (model->IsContainer(item)) &&
3633 (!model->HasContainerColumns(item)));
3634
3635 if (event.LeftDClick())
3636 {
3637 if(hoverOverExpander)
3638 {
3639 // a double click on the expander will be converted into a "simulated" normal click
3640 simulateClick = true;
3641 }
3642 else if ( current == m_lineLastClicked )
3643 {
3644 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3645 {
3646 wxVariant value;
3647 model->GetValue( value, item, col->GetModelColumn() );
3648 cell->SetValue( value );
3649 wxRect cell_rect( xpos, GetLineStart( current ),
3650 col->GetWidth(), GetLineHeight( current ) );
3651 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3652 }
3653 else
3654 {
3655 wxWindow *parent = GetParent();
3656 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3657 le.SetItem( item );
3658 le.SetEventObject(parent);
3659 le.SetModel(GetOwner()->GetModel());
3660
3661 parent->GetEventHandler()->ProcessEvent(le);
3662 }
3663 return;
3664 }
3665 else
3666 {
3667 // The first click was on another item, so don't interpret this as
3668 // a double click, but as a simple click instead
3669 simulateClick = true;
3670 }
3671 }
3672
3673 if (event.LeftUp() && !hoverOverExpander)
3674 {
3675 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3676 {
3677 // select single line
3678 SelectAllRows( false );
3679 SelectRow( m_lineSelectSingleOnUp, true );
3680 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3681 }
3682
3683 // If the user click the expander, we do not do editing even if the column
3684 // with expander are editable
3685 if (m_lastOnSame && !ignore_other_columns)
3686 {
3687 if ((col == m_currentCol) && (current == m_currentRow) &&
3688 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3689 {
3690 m_renameTimer->Start( 100, true );
3691 }
3692 }
3693
3694 m_lastOnSame = false;
3695 m_lineSelectSingleOnUp = (unsigned int)-1;
3696 }
3697 else if(!event.LeftUp())
3698 {
3699 // This is necessary, because after a DnD operation in
3700 // from and to ourself, the up event is swallowed by the
3701 // DnD code. So on next non-up event (which means here and
3702 // now) m_lineSelectSingleOnUp should be reset.
3703 m_lineSelectSingleOnUp = (unsigned int)-1;
3704 }
3705
3706 if (event.RightDown())
3707 {
3708 m_lineBeforeLastClicked = m_lineLastClicked;
3709 m_lineLastClicked = current;
3710
3711 // If the item is already selected, do not update the selection.
3712 // Multi-selections should not be cleared if a selected item is clicked.
3713 if (!IsRowSelected(current))
3714 {
3715 SelectAllRows(false);
3716 ChangeCurrentRow(current);
3717 SelectRow(m_currentRow,true);
3718 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3719 }
3720 }
3721 else if (event.RightUp())
3722 {
3723 wxVariant value;
3724 model->GetValue( value, item, col->GetModelColumn() );
3725 wxWindow *parent = GetParent();
3726 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3727 le.SetItem( item );
3728 le.SetEventObject(parent);
3729 le.SetModel(GetOwner()->GetModel());
3730 le.SetValue(value);
3731 parent->GetEventHandler()->ProcessEvent(le);
3732 }
3733 else if (event.MiddleDown())
3734 {
3735 }
3736
3737 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3738 {
3739 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3740
3741 // hoverOverExpander being true tells us that our node must be
3742 // valid and have children.
3743 // So we don't need any extra checks.
3744 if( node->IsOpen() )
3745 Collapse(current);
3746 else
3747 Expand(current);
3748 }
3749 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3750 {
3751 SetFocus();
3752
3753 m_lineBeforeLastClicked = m_lineLastClicked;
3754 m_lineLastClicked = current;
3755
3756 unsigned int oldCurrentRow = m_currentRow;
3757 bool oldWasSelected = IsRowSelected(m_currentRow);
3758
3759 bool cmdModifierDown = event.CmdDown();
3760 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3761 {
3762 if ( IsSingleSel() || !IsRowSelected(current) )
3763 {
3764 SelectAllRows( false );
3765 ChangeCurrentRow(current);
3766 SelectRow(m_currentRow,true);
3767 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3768 }
3769 else // multi sel & current is highlighted & no mod keys
3770 {
3771 m_lineSelectSingleOnUp = current;
3772 ChangeCurrentRow(current); // change focus
3773 }
3774 }
3775 else // multi sel & either ctrl or shift is down
3776 {
3777 if (cmdModifierDown)
3778 {
3779 ChangeCurrentRow(current);
3780 ReverseRowSelection(m_currentRow);
3781 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3782 }
3783 else if (event.ShiftDown())
3784 {
3785 ChangeCurrentRow(current);
3786
3787 unsigned int lineFrom = oldCurrentRow,
3788 lineTo = current;
3789
3790 if ( lineTo < lineFrom )
3791 {
3792 lineTo = lineFrom;
3793 lineFrom = m_currentRow;
3794 }
3795
3796 SelectRows(lineFrom, lineTo, true);
3797 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3798 }
3799 else // !ctrl, !shift
3800 {
3801 // test in the enclosing if should make it impossible
3802 wxFAIL_MSG( wxT("how did we get here?") );
3803 }
3804 }
3805
3806 if (m_currentRow != oldCurrentRow)
3807 RefreshRow( oldCurrentRow );
3808
3809 wxDataViewColumn *oldCurrentCol = m_currentCol;
3810
3811 // Update selection here...
3812 m_currentCol = col;
3813
3814 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3815 (current == oldCurrentRow)) && oldWasSelected;
3816
3817 // Call LeftClick after everything else as under GTK+
3818 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3819 {
3820 // notify cell about right click
3821 wxVariant value;
3822 model->GetValue( value, item, col->GetModelColumn() );
3823 cell->SetValue( value );
3824 wxRect cell_rect( xpos, GetLineStart( current ),
3825 col->GetWidth(), GetLineHeight( current ) );
3826 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3827 model, item, col->GetModelColumn());
3828 }
3829 }
3830 }
3831
3832 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3833 {
3834 m_hasFocus = true;
3835
3836 if (HasCurrentRow())
3837 Refresh();
3838
3839 event.Skip();
3840 }
3841
3842 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3843 {
3844 m_hasFocus = false;
3845
3846 if (HasCurrentRow())
3847 Refresh();
3848
3849 event.Skip();
3850 }
3851
3852 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3853 {
3854 if( m_selection.GetCount() != 1 )
3855 return wxDataViewItem();
3856
3857 return GetItemByRow( m_selection.Item(0));
3858 }
3859
3860 //-----------------------------------------------------------------------------
3861 // wxDataViewCtrl
3862 //-----------------------------------------------------------------------------
3863
3864 WX_DEFINE_LIST(wxDataViewColumnList)
3865
3866 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3867 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3868 EVT_SIZE(wxDataViewCtrl::OnSize)
3869 END_EVENT_TABLE()
3870
3871 wxDataViewCtrl::~wxDataViewCtrl()
3872 {
3873 if (m_notifier)
3874 GetModel()->RemoveNotifier( m_notifier );
3875
3876 m_cols.Clear();
3877 }
3878
3879 void wxDataViewCtrl::Init()
3880 {
3881 m_cols.DeleteContents(true);
3882 m_notifier = NULL;
3883
3884 // No sorting column at start
3885 m_sortingColumnIdx = wxNOT_FOUND;
3886
3887 m_headerArea = NULL;
3888 }
3889
3890 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3891 const wxPoint& pos, const wxSize& size,
3892 long style, const wxValidator& validator )
3893 {
3894 // if ( (style & wxBORDER_MASK) == 0)
3895 // style |= wxBORDER_SUNKEN;
3896
3897 Init();
3898
3899 if (!wxControl::Create( parent, id, pos, size,
3900 style | wxScrolledWindowStyle, validator))
3901 return false;
3902
3903 SetInitialSize(size);
3904
3905 #ifdef __WXMAC__
3906 MacSetClipChildren( true );
3907 #endif
3908
3909 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3910
3911 if (HasFlag(wxDV_NO_HEADER))
3912 m_headerArea = NULL;
3913 else
3914 m_headerArea = new wxDataViewHeaderWindow(this);
3915
3916 SetTargetWindow( m_clientArea );
3917
3918 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3919 if (m_headerArea)
3920 sizer->Add( m_headerArea, 0, wxGROW );
3921 sizer->Add( m_clientArea, 1, wxGROW );
3922 SetSizer( sizer );
3923
3924 return true;
3925 }
3926
3927 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3928 {
3929 return wxBORDER_THEME;
3930 }
3931
3932 #ifdef __WXMSW__
3933 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3934 WXWPARAM wParam,
3935 WXLPARAM lParam)
3936 {
3937 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3938
3939 #ifndef __WXWINCE__
3940 // we need to process arrows ourselves for scrolling
3941 if ( nMsg == WM_GETDLGCODE )
3942 {
3943 rc |= DLGC_WANTARROWS;
3944 }
3945 #endif
3946
3947 return rc;
3948 }
3949 #endif
3950
3951 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3952 {
3953 wxSize newsize = size;
3954 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3955 newsize.y -= m_headerArea->GetSize().y;
3956
3957 return newsize;
3958 }
3959
3960 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3961 {
3962 // We need to override OnSize so that our scrolled
3963 // window a) does call Layout() to use sizers for
3964 // positioning the controls but b) does not query
3965 // the sizer for their size and use that for setting
3966 // the scrollable area as set that ourselves by
3967 // calling SetScrollbar() further down.
3968
3969 Layout();
3970
3971 AdjustScrollbars();
3972 }
3973
3974 void wxDataViewCtrl::SetFocus()
3975 {
3976 if (m_clientArea)
3977 m_clientArea->SetFocus();
3978 }
3979
3980 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3981 {
3982 if (!wxDataViewCtrlBase::AssociateModel( model ))
3983 return false;
3984
3985 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3986
3987 model->AddNotifier( m_notifier );
3988
3989 m_clientArea->DestroyTree();
3990
3991 m_clientArea->BuildTree(model);
3992
3993 m_clientArea->UpdateDisplay();
3994
3995 return true;
3996 }
3997
3998 #if wxUSE_DRAG_AND_DROP
3999
4000 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4001 {
4002 return m_clientArea->EnableDragSource( format );
4003 }
4004
4005 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4006 {
4007 return m_clientArea->EnableDropTarget( format );
4008 }
4009
4010 #endif // wxUSE_DRAG_AND_DROP
4011
4012 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4013 {
4014 if (!wxDataViewCtrlBase::AppendColumn(col))
4015 return false;
4016
4017 m_cols.Append( col );
4018 OnColumnsCountChanged();
4019 return true;
4020 }
4021
4022 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4023 {
4024 if (!wxDataViewCtrlBase::PrependColumn(col))
4025 return false;
4026
4027 m_cols.Insert( col );
4028 OnColumnsCountChanged();
4029 return true;
4030 }
4031
4032 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4033 {
4034 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4035 return false;
4036
4037 m_cols.Insert( pos, col );
4038 OnColumnsCountChanged();
4039 return true;
4040 }
4041
4042 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4043 {
4044 if ( m_headerArea )
4045 m_headerArea->UpdateColumn(idx);
4046
4047 m_clientArea->UpdateDisplay();
4048 }
4049
4050 void wxDataViewCtrl::OnColumnsCountChanged()
4051 {
4052 if (m_headerArea)
4053 m_headerArea->SetColumnCount(GetColumnCount());
4054
4055 m_clientArea->UpdateDisplay();
4056 }
4057
4058 void wxDataViewCtrl::DoSetExpanderColumn()
4059 {
4060 m_clientArea->UpdateDisplay();
4061 }
4062
4063 void wxDataViewCtrl::DoSetIndent()
4064 {
4065 m_clientArea->UpdateDisplay();
4066 }
4067
4068 unsigned int wxDataViewCtrl::GetColumnCount() const
4069 {
4070 return m_cols.GetCount();
4071 }
4072
4073 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4074 {
4075 return m_cols[idx];
4076 }
4077
4078 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4079 {
4080 // columns can't be reordered if there is no header window which allows
4081 // to do this
4082 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4083 : pos;
4084
4085 return GetColumn(idx);
4086 }
4087
4088 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4089 {
4090 const unsigned count = m_cols.size();
4091 for ( unsigned n = 0; n < count; n++ )
4092 {
4093 if ( m_cols[n] == column )
4094 return n;
4095 }
4096
4097 return wxNOT_FOUND;
4098 }
4099
4100 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4101 unsigned int WXUNUSED(new_pos))
4102 {
4103 // do _not_ reorder m_cols elements here, they should always be in the
4104 // order in which columns were added, we only display the columns in
4105 // different order
4106 m_clientArea->UpdateDisplay();
4107 }
4108
4109 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4110 {
4111 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4112 if (!ret)
4113 return false;
4114
4115 m_cols.Erase(ret);
4116 OnColumnsCountChanged();
4117
4118 return true;
4119 }
4120
4121 bool wxDataViewCtrl::ClearColumns()
4122 {
4123 m_cols.Clear();
4124 OnColumnsCountChanged();
4125 return true;
4126 }
4127
4128 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4129 {
4130 int ret = 0,
4131 dummy = 0;
4132 unsigned int len = GetColumnCount();
4133 for ( unsigned int i = 0; i < len; i++ )
4134 {
4135 wxDataViewColumn * col = GetColumnAt(i);
4136 if (col->IsHidden())
4137 continue;
4138 ret += col->GetWidth();
4139 if (column==col)
4140 {
4141 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4142 break;
4143 }
4144 }
4145 return ret;
4146 }
4147
4148 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4149 {
4150 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4151 : GetColumn(m_sortingColumnIdx);
4152 }
4153
4154 // Selection code with wxDataViewItem as parameters
4155 wxDataViewItem wxDataViewCtrl::GetSelection() const
4156 {
4157 return m_clientArea->GetSelection();
4158 }
4159
4160 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4161 {
4162 sel.Empty();
4163 wxDataViewSelection selection = m_clientArea->GetSelections();
4164 int len = selection.GetCount();
4165 for( int i = 0; i < len; i ++)
4166 {
4167 unsigned int row = selection[i];
4168 sel.Add( m_clientArea->GetItemByRow( row ) );
4169 }
4170 return len;
4171 }
4172
4173 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4174 {
4175 wxDataViewSelection selection(wxDataViewSelectionCmp);
4176
4177 wxDataViewItem last_parent;
4178
4179 int len = sel.GetCount();
4180 for( int i = 0; i < len; i ++ )
4181 {
4182 wxDataViewItem item = sel[i];
4183 wxDataViewItem parent = GetModel()->GetParent( item );
4184 if (parent)
4185 {
4186 if (parent != last_parent)
4187 ExpandAncestors(item);
4188 }
4189
4190 last_parent = parent;
4191 int row = m_clientArea->GetRowByItem( item );
4192 if( row >= 0 )
4193 selection.Add( static_cast<unsigned int>(row) );
4194 }
4195
4196 m_clientArea->SetSelections( selection );
4197 }
4198
4199 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4200 {
4201 ExpandAncestors( item );
4202
4203 int row = m_clientArea->GetRowByItem( item );
4204 if( row >= 0 )
4205 {
4206 // Unselect all rows before select another in the single select mode
4207 if (m_clientArea->IsSingleSel())
4208 m_clientArea->SelectAllRows(false);
4209 m_clientArea->SelectRow(row, true);
4210 }
4211 }
4212
4213 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4214 {
4215 int row = m_clientArea->GetRowByItem( item );
4216 if( row >= 0 )
4217 m_clientArea->SelectRow(row, false);
4218 }
4219
4220 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4221 {
4222 int row = m_clientArea->GetRowByItem( item );
4223 if( row >= 0 )
4224 {
4225 return m_clientArea->IsRowSelected(row);
4226 }
4227 return false;
4228 }
4229
4230 // Selection code with row number as parameter
4231 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4232 {
4233 sel.Empty();
4234 wxDataViewSelection selection = m_clientArea->GetSelections();
4235 int len = selection.GetCount();
4236 for( int i = 0; i < len; i ++)
4237 {
4238 unsigned int row = selection[i];
4239 sel.Add( row );
4240 }
4241 return len;
4242 }
4243
4244 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4245 {
4246 wxDataViewSelection selection(wxDataViewSelectionCmp);
4247 int len = sel.GetCount();
4248 for( int i = 0; i < len; i ++ )
4249 {
4250 int row = sel[i];
4251 if( row >= 0 )
4252 selection.Add( static_cast<unsigned int>(row) );
4253 }
4254 m_clientArea->SetSelections( selection );
4255 }
4256
4257 void wxDataViewCtrl::Select( int row )
4258 {
4259 if( row >= 0 )
4260 {
4261 if (m_clientArea->IsSingleSel())
4262 m_clientArea->SelectAllRows(false);
4263 m_clientArea->SelectRow( row, true );
4264 }
4265 }
4266
4267 void wxDataViewCtrl::Unselect( int row )
4268 {
4269 if( row >= 0 )
4270 m_clientArea->SelectRow(row, false);
4271 }
4272
4273 bool wxDataViewCtrl::IsSelected( int row ) const
4274 {
4275 if( row >= 0 )
4276 return m_clientArea->IsRowSelected(row);
4277 return false;
4278 }
4279
4280 void wxDataViewCtrl::SelectRange( int from, int to )
4281 {
4282 wxArrayInt sel;
4283 for( int i = from; i < to; i ++ )
4284 sel.Add( i );
4285 m_clientArea->Select(sel);
4286 }
4287
4288 void wxDataViewCtrl::UnselectRange( int from, int to )
4289 {
4290 wxDataViewSelection sel = m_clientArea->GetSelections();
4291 for( int i = from; i < to; i ++ )
4292 if( sel.Index( i ) != wxNOT_FOUND )
4293 sel.Remove( i );
4294 m_clientArea->SetSelections(sel);
4295 }
4296
4297 void wxDataViewCtrl::SelectAll()
4298 {
4299 m_clientArea->SelectAllRows(true);
4300 }
4301
4302 void wxDataViewCtrl::UnselectAll()
4303 {
4304 m_clientArea->SelectAllRows(false);
4305 }
4306
4307 void wxDataViewCtrl::EnsureVisible( int row, int column )
4308 {
4309 if( row < 0 )
4310 row = 0;
4311 if( row > (int) m_clientArea->GetRowCount() )
4312 row = m_clientArea->GetRowCount();
4313
4314 int first = m_clientArea->GetFirstVisibleRow();
4315 int last = m_clientArea->GetLastVisibleRow();
4316 if( row < first )
4317 m_clientArea->ScrollTo( row, column );
4318 else if( row > last )
4319 m_clientArea->ScrollTo( row - last + first, column );
4320 else
4321 m_clientArea->ScrollTo( first, column );
4322 }
4323
4324 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4325 {
4326 ExpandAncestors( item );
4327
4328 m_clientArea->RecalculateDisplay();
4329
4330 int row = m_clientArea->GetRowByItem(item);
4331 if( row >= 0 )
4332 {
4333 if( column == NULL )
4334 EnsureVisible(row, -1);
4335 else
4336 EnsureVisible( row, GetColumnIndex(column) );
4337 }
4338
4339 }
4340
4341 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4342 wxDataViewColumn* &column ) const
4343 {
4344 m_clientArea->HitTest(point, item, column);
4345 }
4346
4347 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4348 const wxDataViewColumn* column ) const
4349 {
4350 return m_clientArea->GetItemRect(item, column);
4351 }
4352
4353 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4354 {
4355 return m_clientArea->GetItemByRow( row );
4356 }
4357
4358 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4359 {
4360 return m_clientArea->GetRowByItem( item );
4361 }
4362
4363 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4364 {
4365 int row = m_clientArea->GetRowByItem( item );
4366 if (row != -1)
4367 m_clientArea->Expand(row);
4368 }
4369
4370 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4371 {
4372 int row = m_clientArea->GetRowByItem( item );
4373 if (row != -1)
4374 m_clientArea->Collapse(row);
4375 }
4376
4377 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4378 {
4379 int row = m_clientArea->GetRowByItem( item );
4380 if (row != -1)
4381 return m_clientArea->IsExpanded(row);
4382 return false;
4383 }
4384
4385 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4386 {
4387 wxDataViewColumn* col = GetColumn( column );
4388 if (!col)
4389 return;
4390
4391 wxRect itemRect = GetItemRect(item, col);
4392 wxDataViewRenderer* renderer = col->GetRenderer();
4393 renderer->StartEditing(item, itemRect);
4394 }
4395
4396 #endif // !wxUSE_GENERICDATAVIEWCTRL
4397
4398 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)