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Add wxDataViewModel::ChangeValue() and use it in wxDVC implementation.
[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 m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
616 }
617
618 wxDataViewRenderer::~wxDataViewRenderer()
619 {
620 if (m_dc)
621 delete m_dc;
622 }
623
624 bool
625 wxDataViewRenderer::RenderWithAttr(wxDC& dc,
626 const wxRect& cell_rect,
627 int align,
628 const wxDataViewItemAttr *WXUNUSED(attr),
629 int state)
630 {
631 // adjust the rectangle ourselves to account for the alignment
632
633 wxRect item_rect = cell_rect;
634 if ( align )
635 {
636 const wxSize size = GetSize();
637
638 // take alignment into account only if there is enough space, otherwise
639 // show as much contents as possible
640 //
641 // notice that many existing renderers (e.g. wxDataViewSpinRenderer)
642 // return hard-coded size which can be more than they need and if we
643 // trusted their GetSize() we'd draw the text out of cell bounds
644 // entirely
645
646 if ( size.x < cell_rect.width )
647 {
648 if (align & wxALIGN_CENTER_HORIZONTAL)
649 item_rect.x += (cell_rect.width - size.x)/2;
650 else if (align & wxALIGN_RIGHT)
651 item_rect.x += cell_rect.width - size.x;
652 // else: wxALIGN_LEFT is the default
653
654 item_rect.width = size.x;
655 }
656
657 if ( size.y < cell_rect.height )
658 {
659 if (align & wxALIGN_CENTER_VERTICAL)
660 item_rect.y += (cell_rect.height - size.y)/2;
661 else if (align & wxALIGN_BOTTOM)
662 item_rect.y += cell_rect.height - size.y;
663 // else: wxALIGN_TOP is the default
664
665 item_rect.height = size.y;
666 }
667 }
668
669 return Render(item_rect, &dc, state);
670 }
671
672 wxDC *wxDataViewRenderer::GetDC()
673 {
674 if (m_dc == NULL)
675 {
676 if (GetOwner() == NULL)
677 return NULL;
678 if (GetOwner()->GetOwner() == NULL)
679 return NULL;
680 m_dc = new wxClientDC( GetOwner()->GetOwner() );
681 }
682
683 return m_dc;
684 }
685
686 void wxDataViewRenderer::SetAlignment( int align )
687 {
688 m_align=align;
689 }
690
691 int wxDataViewRenderer::GetAlignment() const
692 {
693 return m_align;
694 }
695
696 int wxDataViewRenderer::CalculateAlignment() const
697 {
698 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
699 {
700 if (GetOwner() == NULL)
701 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
702
703 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
704 }
705
706 return m_align;
707 }
708
709 // ---------------------------------------------------------
710 // wxDataViewCustomRenderer
711 // ---------------------------------------------------------
712
713 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
714
715 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
716 wxDataViewCellMode mode, int align ) :
717 wxDataViewRenderer( varianttype, mode, align )
718 {
719 }
720
721 void
722 wxDataViewCustomRenderer::RenderText(wxDC& dc,
723 const wxRect& rect,
724 int align,
725 const wxString& text,
726 const wxDataViewItemAttr *attr,
727 int state,
728 int xoffset)
729 {
730 wxColour col;
731 if ( attr && attr->HasColour() )
732 col = attr->GetColour();
733 else if ( state & wxDATAVIEW_CELL_SELECTED )
734 col = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
735 else // use default foreground
736 col = GetOwner()->GetOwner()->GetForegroundColour();
737
738 wxDCTextColourChanger changeFg(dc, col);
739
740 wxDCFontChanger changeFont(dc);
741 if ( attr && attr->HasFont() )
742 {
743 wxFont font(dc.GetFont());
744 if ( attr->GetBold() )
745 font.MakeBold();
746 if ( attr->GetItalic() )
747 font.MakeItalic();
748
749 changeFont.Set(font);
750 }
751
752 wxRect rectText = rect;
753 rectText.x += xoffset;
754 rectText.width -= xoffset;
755
756 // check if we want to ellipsize the text if it doesn't fit
757 wxString ellipsizedText;
758 if ( GetEllipsizeMode() != wxELLIPSIZE_NONE )
759 {
760 ellipsizedText = wxControl::Ellipsize
761 (
762 text,
763 dc,
764 GetEllipsizeMode(),
765 rect.width,
766 wxELLIPSIZE_FLAGS_NONE
767 );
768 }
769
770 dc.DrawLabel(ellipsizedText.empty() ? text : ellipsizedText,
771 rectText, align);
772 }
773
774 // ---------------------------------------------------------
775 // wxDataViewTextRenderer
776 // ---------------------------------------------------------
777
778 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
779
780 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
781 wxDataViewCellMode mode, int align ) :
782 wxDataViewCustomRenderer( varianttype, mode, align )
783 {
784 }
785
786 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
787 {
788 m_text = value.GetString();
789
790 return true;
791 }
792
793 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
794 {
795 return false;
796 }
797
798 bool wxDataViewTextRenderer::HasEditorCtrl() const
799 {
800 return true;
801 }
802
803 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
804 wxRect labelRect, const wxVariant &value )
805 {
806 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
807 wxPoint(labelRect.x,labelRect.y),
808 wxSize(labelRect.width,labelRect.height) );
809
810 // select the text in the control an place the cursor at the end
811 ctrl->SetInsertionPointEnd();
812 ctrl->SelectAll();
813
814 return ctrl;
815 }
816
817 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
818 {
819 wxTextCtrl *text = (wxTextCtrl*) editor;
820 value = text->GetValue();
821 return true;
822 }
823
824 bool
825 wxDataViewTextRenderer::RenderWithAttr(wxDC& dc,
826 const wxRect& rect,
827 int align,
828 const wxDataViewItemAttr *attr,
829 int state)
830 {
831 RenderText(dc, rect, align, m_text, attr, state);
832 return true;
833 }
834
835 wxSize wxDataViewTextRenderer::GetSize() const
836 {
837 const wxDataViewCtrl *view = GetView();
838 if (!m_text.empty())
839 return view->wxWindowBase::GetTextExtent( m_text );
840 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
841 }
842
843 // ---------------------------------------------------------
844 // wxDataViewBitmapRenderer
845 // ---------------------------------------------------------
846
847 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
848
849 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
850 wxDataViewCellMode mode, int align ) :
851 wxDataViewCustomRenderer( varianttype, mode, align )
852 {
853 }
854
855 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
856 {
857 if (value.GetType() == wxT("wxBitmap"))
858 m_bitmap << value;
859 if (value.GetType() == wxT("wxIcon"))
860 m_icon << value;
861
862 return true;
863 }
864
865 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
866 {
867 return false;
868 }
869
870 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
871 {
872 if (m_bitmap.Ok())
873 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
874 else if (m_icon.Ok())
875 dc->DrawIcon( m_icon, cell.x, cell.y );
876
877 return true;
878 }
879
880 wxSize wxDataViewBitmapRenderer::GetSize() const
881 {
882 if (m_bitmap.Ok())
883 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
884 else if (m_icon.Ok())
885 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
886
887 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
888 }
889
890 // ---------------------------------------------------------
891 // wxDataViewToggleRenderer
892 // ---------------------------------------------------------
893
894 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
895
896 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
897 wxDataViewCellMode mode, int align ) :
898 wxDataViewCustomRenderer( varianttype, mode, align )
899 {
900 m_toggle = false;
901 }
902
903 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
904 {
905 m_toggle = value.GetBool();
906
907 return true;
908 }
909
910 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
911 {
912 return false;
913 }
914
915 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
916 {
917 int flags = 0;
918 if (m_toggle)
919 flags |= wxCONTROL_CHECKED;
920 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
921 flags |= wxCONTROL_DISABLED;
922
923 wxRendererNative::Get().DrawCheckBox(
924 GetOwner()->GetOwner(),
925 *dc,
926 cell,
927 flags );
928
929 return true;
930 }
931
932 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
933 wxDataViewModel *model,
934 const wxDataViewItem & item, unsigned int col)
935 {
936 model->ChangeValue(!m_toggle, item, col);
937 return true;
938 }
939
940 wxSize wxDataViewToggleRenderer::GetSize() const
941 {
942 // the window parameter is not used by GetCheckBoxSize() so it's
943 // safe to pass NULL
944 return wxRendererNative::Get().GetCheckBoxSize(NULL);
945 }
946
947 // ---------------------------------------------------------
948 // wxDataViewProgressRenderer
949 // ---------------------------------------------------------
950
951 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
952
953 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
954 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
955 wxDataViewCustomRenderer( varianttype, mode, align )
956 {
957 m_label = label;
958 m_value = 0;
959 }
960
961 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
962 {
963 m_value = (long) value;
964
965 if (m_value < 0) m_value = 0;
966 if (m_value > 100) m_value = 100;
967
968 return true;
969 }
970
971 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
972 {
973 value = (long) m_value;
974 return true;
975 }
976
977 bool wxDataViewProgressRenderer::RenderWithAttr(wxDC& dc,
978 const wxRect& rect,
979 int WXUNUSED(align),
980 const wxDataViewItemAttr *attr,
981 int WXUNUSED(state))
982 {
983 // deflat the rect to leave a small border between bars in adjacent rows
984 wxRect bar = rect.Deflate(0, 1);
985
986 dc.SetBrush( *wxTRANSPARENT_BRUSH );
987 dc.SetPen( *wxBLACK_PEN );
988 dc.DrawRectangle( bar );
989
990 bar.width = (int)(bar.width * m_value / 100.);
991 dc.SetPen( *wxTRANSPARENT_PEN );
992 dc.SetBrush( attr && attr->HasColour() ? wxBrush(attr->GetColour())
993 : *wxBLUE_BRUSH );
994 dc.DrawRectangle( bar );
995
996 return true;
997 }
998
999 wxSize wxDataViewProgressRenderer::GetSize() const
1000 {
1001 return wxSize(40,12);
1002 }
1003
1004 // ---------------------------------------------------------
1005 // wxDataViewDateRenderer
1006 // ---------------------------------------------------------
1007
1008 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
1009
1010 #if wxUSE_DATE_RENDERER_POPUP
1011
1012 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
1013 {
1014 public:
1015 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
1016 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
1017 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
1018 m_item( item )
1019 {
1020 m_model = model;
1021 m_col = col;
1022 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
1023 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
1024 sizer->Add( m_cal, 1, wxGROW );
1025 SetSizer( sizer );
1026 sizer->Fit( this );
1027 }
1028
1029 void OnCalendar( wxCalendarEvent &event );
1030
1031 wxCalendarCtrl *m_cal;
1032 wxDataViewModel *m_model;
1033 unsigned int m_col;
1034 const wxDataViewItem & m_item;
1035
1036 protected:
1037 virtual void OnDismiss()
1038 {
1039 }
1040
1041 private:
1042 DECLARE_EVENT_TABLE()
1043 };
1044
1045 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1046 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1047 END_EVENT_TABLE()
1048
1049 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1050 {
1051 m_model->ChangeValue( event.GetDate(), m_item, m_col );
1052 DismissAndNotify();
1053 }
1054
1055 #endif // wxUSE_DATE_RENDERER_POPUP
1056
1057 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1058
1059 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1060 wxDataViewCellMode mode, int align ) :
1061 wxDataViewCustomRenderer( varianttype, mode, align )
1062 {
1063 }
1064
1065 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1066 {
1067 m_date = value.GetDateTime();
1068
1069 return true;
1070 }
1071
1072 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1073 {
1074 value = m_date;
1075 return true;
1076 }
1077
1078 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1079 {
1080 wxString tmp = m_date.FormatDate();
1081 RenderText( tmp, 0, cell, dc, state );
1082 return true;
1083 }
1084
1085 wxSize wxDataViewDateRenderer::GetSize() const
1086 {
1087 const wxDataViewCtrl* view = GetView();
1088 wxString tmp = m_date.FormatDate();
1089 wxCoord x,y,d;
1090 view->GetTextExtent( tmp, &x, &y, &d );
1091 return wxSize(x,y+d);
1092 }
1093
1094 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1095 const wxDataViewItem & item, unsigned int col )
1096 {
1097 wxVariant variant;
1098 model->GetValue( variant, item, col );
1099 wxDateTime value = variant.GetDateTime();
1100
1101 #if wxUSE_DATE_RENDERER_POPUP
1102 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1103 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1104 wxPoint pos = wxGetMousePosition();
1105 popup->Move( pos );
1106 popup->Layout();
1107 popup->Popup( popup->m_cal );
1108 #else // !wxUSE_DATE_RENDERER_POPUP
1109 wxMessageBox(value.Format());
1110 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1111 return true;
1112 }
1113
1114 // ---------------------------------------------------------
1115 // wxDataViewIconTextRenderer
1116 // ---------------------------------------------------------
1117
1118 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1119
1120 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1121 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1122 wxDataViewCustomRenderer( varianttype, mode, align )
1123 {
1124 SetMode(mode);
1125 SetAlignment(align);
1126 }
1127
1128 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1129 {
1130 m_value << value;
1131 return true;
1132 }
1133
1134 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1135 {
1136 return false;
1137 }
1138
1139 bool
1140 wxDataViewIconTextRenderer::RenderWithAttr(wxDC& dc,
1141 const wxRect& rect,
1142 int align,
1143 const wxDataViewItemAttr *attr,
1144 int state)
1145 {
1146 int xoffset = 0;
1147
1148 const wxIcon& icon = m_value.GetIcon();
1149 if ( icon.IsOk() )
1150 {
1151 dc.DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1152 xoffset = icon.GetWidth()+4;
1153 }
1154
1155 RenderText(dc, rect, align, m_value.GetText(), attr, state, xoffset);
1156
1157 return true;
1158 }
1159
1160 wxSize wxDataViewIconTextRenderer::GetSize() const
1161 {
1162 const wxDataViewCtrl *view = GetView();
1163 if (!m_value.GetText().empty())
1164 {
1165 int x,y;
1166 view->GetTextExtent( m_value.GetText(), &x, &y );
1167
1168 if (m_value.GetIcon().IsOk())
1169 x += m_value.GetIcon().GetWidth() + 4;
1170 return wxSize( x, y );
1171 }
1172 return wxSize(80,20);
1173 }
1174
1175 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1176 {
1177 wxDataViewIconText iconText;
1178 iconText << value;
1179
1180 wxString text = iconText.GetText();
1181
1182 // adjust the label rect to take the width of the icon into account
1183 if (iconText.GetIcon().IsOk())
1184 {
1185 int w = iconText.GetIcon().GetWidth() + 4;
1186 labelRect.x += w;
1187 labelRect.width -= w;
1188 }
1189
1190 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1191 wxPoint(labelRect.x,labelRect.y),
1192 wxSize(labelRect.width,labelRect.height) );
1193
1194 // select the text in the control an place the cursor at the end
1195 ctrl->SetInsertionPointEnd();
1196 ctrl->SelectAll();
1197
1198 return ctrl;
1199 }
1200
1201 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1202 {
1203 wxTextCtrl *text = (wxTextCtrl*) editor;
1204
1205 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1206 value << iconText;
1207 return true;
1208 }
1209
1210 //-----------------------------------------------------------------------------
1211 // wxDataViewDropTarget
1212 //-----------------------------------------------------------------------------
1213
1214 #if wxUSE_DRAG_AND_DROP
1215
1216 class wxBitmapCanvas: public wxWindow
1217 {
1218 public:
1219 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1220 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1221 {
1222 m_bitmap = bitmap;
1223 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1224 }
1225
1226 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1227 {
1228 wxPaintDC dc(this);
1229 dc.DrawBitmap( m_bitmap, 0, 0);
1230 }
1231
1232 wxBitmap m_bitmap;
1233 };
1234
1235 class wxDataViewDropSource: public wxDropSource
1236 {
1237 public:
1238 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1239 wxDropSource( win )
1240 {
1241 m_win = win;
1242 m_row = row;
1243 m_hint = NULL;
1244 }
1245
1246 ~wxDataViewDropSource()
1247 {
1248 delete m_hint;
1249 }
1250
1251 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1252 {
1253 wxPoint pos = wxGetMousePosition();
1254
1255 if (!m_hint)
1256 {
1257 int liney = m_win->GetLineStart( m_row );
1258 int linex = 0;
1259 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1260 m_win->ClientToScreen( &linex, &liney );
1261 m_dist_x = pos.x - linex;
1262 m_dist_y = pos.y - liney;
1263
1264 int indent = 0;
1265 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1266 m_dist_x -= indent;
1267 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1268 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1269 ib.GetSize(),
1270 wxFRAME_TOOL_WINDOW |
1271 wxFRAME_FLOAT_ON_PARENT |
1272 wxFRAME_NO_TASKBAR |
1273 wxNO_BORDER );
1274 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1275 m_hint->Show();
1276 }
1277 else
1278 {
1279 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1280 m_hint->SetTransparent( 128 );
1281 }
1282
1283 return false;
1284 }
1285
1286 wxDataViewMainWindow *m_win;
1287 unsigned int m_row;
1288 wxFrame *m_hint;
1289 int m_dist_x,m_dist_y;
1290 };
1291
1292
1293 class wxDataViewDropTarget: public wxDropTarget
1294 {
1295 public:
1296 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1297 wxDropTarget( obj )
1298 {
1299 m_win = win;
1300 }
1301
1302 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1303 {
1304 wxDataFormat format = GetMatchingPair();
1305 if (format == wxDF_INVALID)
1306 return wxDragNone;
1307 return m_win->OnDragOver( format, x, y, def);
1308 }
1309
1310 virtual bool OnDrop( wxCoord x, wxCoord y )
1311 {
1312 wxDataFormat format = GetMatchingPair();
1313 if (format == wxDF_INVALID)
1314 return false;
1315 return m_win->OnDrop( format, x, y );
1316 }
1317
1318 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1319 {
1320 wxDataFormat format = GetMatchingPair();
1321 if (format == wxDF_INVALID)
1322 return wxDragNone;
1323 if (!GetData())
1324 return wxDragNone;
1325 return m_win->OnData( format, x, y, def );
1326 }
1327
1328 virtual void OnLeave()
1329 { m_win->OnLeave(); }
1330
1331 wxDataViewMainWindow *m_win;
1332 };
1333
1334 #endif // wxUSE_DRAG_AND_DROP
1335
1336 //-----------------------------------------------------------------------------
1337 // wxDataViewRenameTimer
1338 //-----------------------------------------------------------------------------
1339
1340 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1341 {
1342 m_owner = owner;
1343 }
1344
1345 void wxDataViewRenameTimer::Notify()
1346 {
1347 m_owner->OnRenameTimer();
1348 }
1349
1350 //-----------------------------------------------------------------------------
1351 // wxDataViewMainWindow
1352 //-----------------------------------------------------------------------------
1353
1354 // The tree building helper, declared firstly
1355 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1356 wxDataViewTreeNode * node);
1357
1358 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1359 {
1360 if (row1 > row2) return 1;
1361 if (row1 == row2) return 0;
1362 return -1;
1363 }
1364
1365 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1366
1367 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1368 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1369 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1370 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1371 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1372 EVT_CHAR (wxDataViewMainWindow::OnChar)
1373 END_EVENT_TABLE()
1374
1375 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1376 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1377 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1378 m_selection( wxDataViewSelectionCmp )
1379
1380 {
1381 SetOwner( parent );
1382
1383 m_lastOnSame = false;
1384 m_renameTimer = new wxDataViewRenameTimer( this );
1385
1386 // TODO: user better initial values/nothing selected
1387 m_currentCol = NULL;
1388 m_currentRow = 0;
1389
1390 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1391
1392 #if wxUSE_DRAG_AND_DROP
1393 m_dragCount = 0;
1394 m_dragStart = wxPoint(0,0);
1395
1396 m_dragEnabled = false;
1397 m_dropEnabled = false;
1398 m_dropHint = false;
1399 m_dropHintLine = (unsigned int) -1;
1400 #endif // wxUSE_DRAG_AND_DROP
1401
1402 m_lineLastClicked = (unsigned int) -1;
1403 m_lineBeforeLastClicked = (unsigned int) -1;
1404 m_lineSelectSingleOnUp = (unsigned int) -1;
1405
1406 m_hasFocus = false;
1407
1408 SetBackgroundColour( *wxWHITE );
1409
1410 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1411
1412 m_penRule = wxPen(GetRuleColour());
1413
1414 // compose a pen whichcan draw black lines
1415 // TODO: maybe there is something system colour to use
1416 m_penExpander = wxPen(wxColour(0,0,0));
1417
1418 m_root = new wxDataViewTreeNode( NULL );
1419 m_root->SetHasChildren(true);
1420
1421 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1422 m_count = -1;
1423 m_underMouse = NULL;
1424 UpdateDisplay();
1425 }
1426
1427 wxDataViewMainWindow::~wxDataViewMainWindow()
1428 {
1429 DestroyTree();
1430 delete m_renameTimer;
1431 }
1432
1433
1434 #if wxUSE_DRAG_AND_DROP
1435 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1436 {
1437 m_dragFormat = format;
1438 m_dragEnabled = format != wxDF_INVALID;
1439
1440 return true;
1441 }
1442
1443 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1444 {
1445 m_dropFormat = format;
1446 m_dropEnabled = format != wxDF_INVALID;
1447
1448 if (m_dropEnabled)
1449 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1450
1451 return true;
1452 }
1453
1454 void wxDataViewMainWindow::RemoveDropHint()
1455 {
1456 if (m_dropHint)
1457 {
1458 m_dropHint = false;
1459 RefreshRow( m_dropHintLine );
1460 m_dropHintLine = (unsigned int) -1;
1461 }
1462 }
1463
1464 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1465 wxCoord y, wxDragResult def )
1466 {
1467 int xx = x;
1468 int yy = y;
1469 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1470 unsigned int row = GetLineAt( yy );
1471
1472 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1473 {
1474 RemoveDropHint();
1475 return wxDragNone;
1476 }
1477
1478 wxDataViewItem item = GetItemByRow( row );
1479
1480 wxDataViewModel *model = GetOwner()->GetModel();
1481
1482 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1483 event.SetEventObject( m_owner );
1484 event.SetItem( item );
1485 event.SetModel( model );
1486 event.SetDataFormat( format );
1487 if (!m_owner->HandleWindowEvent( event ))
1488 {
1489 RemoveDropHint();
1490 return wxDragNone;
1491 }
1492
1493 if (!event.IsAllowed())
1494 {
1495 RemoveDropHint();
1496 return wxDragNone;
1497 }
1498
1499
1500 if (m_dropHint && (row != m_dropHintLine))
1501 RefreshRow( m_dropHintLine );
1502 m_dropHint = true;
1503 m_dropHintLine = row;
1504 RefreshRow( row );
1505
1506 return def;
1507 }
1508
1509 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1510 {
1511 RemoveDropHint();
1512
1513 int xx = x;
1514 int yy = y;
1515 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1516 unsigned int row = GetLineAt( yy );
1517
1518 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1519 return false;
1520
1521 wxDataViewItem item = GetItemByRow( row );
1522
1523 wxDataViewModel *model = GetOwner()->GetModel();
1524
1525 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1526 event.SetEventObject( m_owner );
1527 event.SetItem( item );
1528 event.SetModel( model );
1529 event.SetDataFormat( format );
1530 if (!m_owner->HandleWindowEvent( event ))
1531 return false;
1532
1533 if (!event.IsAllowed())
1534 return false;
1535
1536 return true;
1537 }
1538
1539 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1540 wxDragResult def )
1541 {
1542 int xx = x;
1543 int yy = y;
1544 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1545 unsigned int row = GetLineAt( yy );
1546
1547 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1548 return wxDragNone;
1549
1550 wxDataViewItem item = GetItemByRow( row );
1551
1552 wxDataViewModel *model = GetOwner()->GetModel();
1553
1554 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1555
1556 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1557 event.SetEventObject( m_owner );
1558 event.SetItem( item );
1559 event.SetModel( model );
1560 event.SetDataFormat( format );
1561 event.SetDataSize( obj->GetSize() );
1562 event.SetDataBuffer( obj->GetData() );
1563 if (!m_owner->HandleWindowEvent( event ))
1564 return wxDragNone;
1565
1566 if (!event.IsAllowed())
1567 return wxDragNone;
1568
1569 return def;
1570 }
1571
1572 void wxDataViewMainWindow::OnLeave()
1573 {
1574 RemoveDropHint();
1575 }
1576
1577 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1578 {
1579 int height = GetLineHeight( row );
1580 int width = 0;
1581 unsigned int cols = GetOwner()->GetColumnCount();
1582 unsigned int col;
1583 for (col = 0; col < cols; col++)
1584 {
1585 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1586 if (column->IsHidden())
1587 continue; // skip it!
1588 width += column->GetWidth();
1589 }
1590
1591 indent = 0;
1592 if (!IsVirtualList())
1593 {
1594 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1595 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1596 indent = indent + m_lineHeight;
1597 // try to use the m_lineHeight as the expander space
1598
1599 if(!node->HasChildren())
1600 delete node;
1601 }
1602 width -= indent;
1603
1604 wxBitmap bitmap( width, height );
1605 wxMemoryDC dc( bitmap );
1606 dc.SetFont( GetFont() );
1607 dc.SetPen( *wxBLACK_PEN );
1608 dc.SetBrush( *wxWHITE_BRUSH );
1609 dc.DrawRectangle( 0,0,width,height );
1610
1611 wxDataViewModel *model = m_owner->GetModel();
1612
1613 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1614 if (!expander)
1615 {
1616 // TODO-RTL: last column for RTL support
1617 expander = GetOwner()->GetColumnAt( 0 );
1618 GetOwner()->SetExpanderColumn(expander);
1619 }
1620
1621
1622 int x = 0;
1623 for (col = 0; col < cols; col++)
1624 {
1625 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1626 wxDataViewRenderer *cell = column->GetRenderer();
1627
1628 if (column->IsHidden())
1629 continue; // skip it!
1630
1631 width = column->GetWidth();
1632
1633 if (column == expander)
1634 width -= indent;
1635
1636 wxVariant value;
1637 wxDataViewItem item = GetItemByRow( row );
1638 model->GetValue( value, item, column->GetModelColumn());
1639 cell->SetValue( value );
1640
1641 wxRect item_rect(x, 0, width, height);
1642 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1643
1644 // dc.SetClippingRegion( item_rect );
1645 wxDataViewItemAttr attr;
1646 const bool
1647 hasAttr = model->GetAttr(item, column->GetModelColumn(), attr);
1648 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1649 hasAttr ? &attr : NULL, 0);
1650 // dc.DestroyClippingRegion();
1651
1652 x += width;
1653 }
1654
1655 return bitmap;
1656 }
1657
1658 #endif // wxUSE_DRAG_AND_DROP
1659
1660
1661 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1662 {
1663 wxDataViewModel *model = GetOwner()->GetModel();
1664 wxAutoBufferedPaintDC dc( this );
1665
1666 #ifdef __WXMSW__
1667 dc.SetBrush(GetOwner()->GetBackgroundColour());
1668 dc.SetPen( *wxTRANSPARENT_PEN );
1669 dc.DrawRectangle(GetClientSize());
1670 #endif
1671
1672 // prepare the DC
1673 GetOwner()->PrepareDC( dc );
1674 dc.SetFont( GetFont() );
1675
1676 wxRect update = GetUpdateRegion().GetBox();
1677 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1678
1679 // compute which items needs to be redrawn
1680 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1681 unsigned int item_count =
1682 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1683 (int)(GetRowCount( ) - item_start));
1684 unsigned int item_last = item_start + item_count;
1685 // Get the parent of DataViewCtrl
1686 wxWindow *parent = GetParent()->GetParent();
1687 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1688 cache_event.SetEventObject(GetParent());
1689 cache_event.SetCache(item_start, item_last - 1);
1690 parent->ProcessWindowEvent(cache_event);
1691
1692 // compute which columns needs to be redrawn
1693 unsigned int cols = GetOwner()->GetColumnCount();
1694 unsigned int col_start = 0;
1695 unsigned int x_start;
1696 for (x_start = 0; col_start < cols; col_start++)
1697 {
1698 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1699 if (col->IsHidden())
1700 continue; // skip it!
1701
1702 unsigned int w = col->GetWidth();
1703 if (x_start+w >= (unsigned int)update.x)
1704 break;
1705
1706 x_start += w;
1707 }
1708
1709 unsigned int col_last = col_start;
1710 unsigned int x_last = x_start;
1711 for (; col_last < cols; col_last++)
1712 {
1713 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1714 if (col->IsHidden())
1715 continue; // skip it!
1716
1717 if (x_last > (unsigned int)update.GetRight())
1718 break;
1719
1720 x_last += col->GetWidth();
1721 }
1722
1723 // Draw horizontal rules if required
1724 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1725 {
1726 dc.SetPen(m_penRule);
1727 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1728
1729 for (unsigned int i = item_start; i <= item_last; i++)
1730 {
1731 int y = GetLineStart( i );
1732 dc.DrawLine(x_start, y, x_last, y);
1733 }
1734 }
1735
1736 // Draw vertical rules if required
1737 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1738 {
1739 dc.SetPen(m_penRule);
1740 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1741
1742 int x = x_start;
1743 for (unsigned int i = col_start; i < col_last; i++)
1744 {
1745 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1746 if (col->IsHidden())
1747 continue; // skip it
1748
1749 dc.DrawLine(x, GetLineStart( item_start ),
1750 x, GetLineStart( item_last ) );
1751
1752 x += col->GetWidth();
1753 }
1754
1755 // Draw last vertical rule
1756 dc.DrawLine(x, GetLineStart( item_start ),
1757 x, GetLineStart( item_last ) );
1758 }
1759
1760 // redraw the background for the items which are selected/current
1761 for (unsigned int item = item_start; item < item_last; item++)
1762 {
1763 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1764 if (selected || item == m_currentRow)
1765 {
1766 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1767 if (item == m_currentRow)
1768 flags |= wxCONTROL_CURRENT;
1769 if (m_hasFocus)
1770 flags |= wxCONTROL_FOCUSED;
1771
1772 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1773 wxRendererNative::Get().DrawItemSelectionRect
1774 (
1775 this,
1776 dc,
1777 rect,
1778 flags
1779 );
1780 }
1781 }
1782
1783 #if wxUSE_DRAG_AND_DROP
1784 if (m_dropHint)
1785 {
1786 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1787 x_last, GetLineHeight( m_dropHintLine ) );
1788 dc.SetPen( *wxBLACK_PEN );
1789 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1790 dc.DrawRectangle( rect );
1791 }
1792 #endif // wxUSE_DRAG_AND_DROP
1793
1794 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1795 if (!expander)
1796 {
1797 // TODO-RTL: last column for RTL support
1798 expander = GetOwner()->GetColumnAt( 0 );
1799 GetOwner()->SetExpanderColumn(expander);
1800 }
1801
1802 // redraw all cells for all rows which must be repainted and all columns
1803 wxRect cell_rect;
1804 cell_rect.x = x_start;
1805 for (unsigned int i = col_start; i < col_last; i++)
1806 {
1807 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1808 wxDataViewRenderer *cell = col->GetRenderer();
1809 cell_rect.width = col->GetWidth();
1810
1811 if (col->IsHidden())
1812 continue; // skip it!
1813
1814 for (unsigned int item = item_start; item < item_last; item++)
1815 {
1816 // get the cell value and set it into the renderer
1817 wxVariant value;
1818 wxDataViewTreeNode *node = NULL;
1819 wxDataViewItem dataitem;
1820
1821 if (!IsVirtualList())
1822 {
1823 node = GetTreeNodeByRow(item);
1824 if( node == NULL )
1825 continue;
1826
1827 dataitem = node->GetItem();
1828
1829 if ((i > 0) && model->IsContainer(dataitem) &&
1830 !model->HasContainerColumns(dataitem))
1831 continue;
1832 }
1833 else
1834 {
1835 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1836 }
1837
1838 model->GetValue( value, dataitem, col->GetModelColumn());
1839 cell->SetValue( value );
1840
1841 // update cell_rect
1842 cell_rect.y = GetLineStart( item );
1843 cell_rect.height = GetLineHeight( item );
1844
1845 // Draw the expander here.
1846 int indent = 0;
1847 if ((!IsVirtualList()) && (col == expander))
1848 {
1849 indent = node->GetIndentLevel();
1850
1851 // Calculate the indent first
1852 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1853
1854 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1855
1856 // change the cell_rect.x to the appropriate pos
1857 int expander_x = indent + EXPANDER_MARGIN;
1858 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1859 - (expander_width/2) - EXPANDER_OFFSET;
1860
1861 indent = indent + m_lineHeight;
1862 // try to use the m_lineHeight as the expander space
1863
1864 dc.SetPen( m_penExpander );
1865 dc.SetBrush( wxNullBrush );
1866 if( node->HasChildren() )
1867 {
1868 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1869 int flag = 0;
1870 if (m_underMouse == node)
1871 {
1872 flag |= wxCONTROL_CURRENT;
1873 }
1874 if( node->IsOpen() )
1875 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1876 flag|wxCONTROL_EXPANDED );
1877 else
1878 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1879 }
1880
1881 // force the expander column to left-center align
1882 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1883 }
1884 if (node && !node->HasChildren())
1885 {
1886 // Yes, if the node does not have any child, it must be a leaf which
1887 // mean that it is a temporarily created by GetTreeNodeByRow
1888 wxDELETE(node);
1889 }
1890
1891 wxRect item_rect = cell_rect;
1892 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1893
1894 // account for the tree indent (harmless if we're not indented)
1895 item_rect.x += indent;
1896 item_rect.width -= indent;
1897
1898 int state = 0;
1899 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1900 state |= wxDATAVIEW_CELL_SELECTED;
1901
1902 // TODO: it would be much more efficient to create a clipping
1903 // region for the entire column being rendered (in the OnPaint
1904 // of wxDataViewMainWindow) instead of a single clip region for
1905 // each cell. However it would mean that each renderer should
1906 // respect the given wxRect's top & bottom coords, eventually
1907 // violating only the left & right coords - however the user can
1908 // make its own renderer and thus we cannot be sure of that.
1909 wxDCClipper clip(dc, item_rect);
1910
1911 wxDataViewItemAttr attr;
1912 const bool
1913 hasAttr = model->GetAttr(dataitem, col->GetModelColumn(), attr);
1914 cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
1915 hasAttr ? &attr : NULL, state);
1916 }
1917
1918 cell_rect.x += cell_rect.width;
1919 }
1920 }
1921
1922 void wxDataViewMainWindow::OnRenameTimer()
1923 {
1924 // We have to call this here because changes may just have
1925 // been made and no screen update taken place.
1926 if ( m_dirty )
1927 {
1928 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1929 // (needs to be tested!)
1930 wxSafeYield();
1931 }
1932
1933 wxDataViewItem item = GetItemByRow( m_currentRow );
1934
1935 wxRect labelRect = GetItemRect(item, m_currentCol);
1936
1937 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1938 }
1939
1940 //-----------------------------------------------------------------------------
1941 // Helper class for do operation on the tree node
1942 //-----------------------------------------------------------------------------
1943 class DoJob
1944 {
1945 public:
1946 DoJob() { }
1947 virtual ~DoJob() { }
1948
1949 // The return value control how the tree-walker tranverse the tree
1950 // 0: Job done, stop tranverse and return
1951 // 1: Ignore the current node's subtree and continue
1952 // 2: Job not done, continue
1953 enum { OK = 0 , IGR = 1, CONT = 2 };
1954 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1955 virtual int operator() ( void * n ) = 0;
1956 };
1957
1958 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1959 {
1960 if( node==NULL )
1961 return false;
1962
1963 switch( func( node ) )
1964 {
1965 case DoJob::OK :
1966 return true;
1967 case DoJob::IGR:
1968 return false;
1969 case DoJob::CONT:
1970 default:
1971 ;
1972 }
1973
1974 wxDataViewTreeNodes nodes = node->GetNodes();
1975 wxDataViewTreeLeaves leaves = node->GetChildren();
1976
1977 int len_nodes = nodes.GetCount();
1978 int len = leaves.GetCount();
1979 int i = 0, nodes_i = 0;
1980
1981 for(; i < len; i ++ )
1982 {
1983 void * n = leaves[i];
1984 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1985 {
1986 wxDataViewTreeNode * nd = nodes[nodes_i];
1987 nodes_i++;
1988
1989 if( Walker( nd , func ) )
1990 return true;
1991
1992 }
1993 else
1994 switch( func( n ) )
1995 {
1996 case DoJob::OK :
1997 return true;
1998 case DoJob::IGR:
1999 continue;
2000 case DoJob::CONT:
2001 default:
2002 ;
2003 }
2004 }
2005 return false;
2006 }
2007
2008 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2009 {
2010 if (IsVirtualList())
2011 {
2012 wxDataViewVirtualListModel *list_model =
2013 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2014 m_count = list_model->GetCount();
2015 UpdateDisplay();
2016 return true;
2017 }
2018
2019 SortPrepare();
2020
2021 wxDataViewTreeNode * node;
2022 node = FindNode(parent);
2023
2024 if( node == NULL )
2025 return false;
2026
2027 node->SetHasChildren( true );
2028
2029 if( g_model->IsContainer( item ) )
2030 {
2031 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2032 newnode->SetItem(item);
2033 newnode->SetHasChildren( true );
2034 node->AddNode( newnode);
2035 }
2036 else
2037 node->AddLeaf( item.GetID() );
2038
2039 node->ChangeSubTreeCount(1);
2040
2041 m_count = -1;
2042 UpdateDisplay();
2043
2044 return true;
2045 }
2046
2047 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2048
2049 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2050 const wxDataViewItem& item)
2051 {
2052 if (IsVirtualList())
2053 {
2054 wxDataViewVirtualListModel *list_model =
2055 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2056 m_count = list_model->GetCount();
2057
2058 if( m_currentRow > GetRowCount() )
2059 m_currentRow = m_count - 1;
2060
2061 // TODO: why empty the entire selection?
2062 m_selection.Empty();
2063
2064 UpdateDisplay();
2065
2066 return true;
2067 }
2068
2069 wxDataViewTreeNode * node = FindNode(parent);
2070
2071 wxCHECK_MSG( node != NULL, false, "item not found" );
2072 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2073 false, "item not found" );
2074
2075 int sub = -1;
2076 node->GetChildren().Remove( item.GetID() );
2077 // Manipolate selection
2078 if( m_selection.GetCount() > 1 )
2079 {
2080 m_selection.Empty();
2081 }
2082 bool isContainer = false;
2083 wxDataViewTreeNodes nds = node->GetNodes();
2084 for (size_t i = 0; i < nds.GetCount(); i ++)
2085 {
2086 if (nds[i]->GetItem() == item)
2087 {
2088 isContainer = true;
2089 break;
2090 }
2091 }
2092 if( isContainer )
2093 {
2094 wxDataViewTreeNode * n = NULL;
2095 wxDataViewTreeNodes nodes = node->GetNodes();
2096 int len = nodes.GetCount();
2097 for( int i = 0; i < len; i ++)
2098 {
2099 if( nodes[i]->GetItem() == item )
2100 {
2101 n = nodes[i];
2102 break;
2103 }
2104 }
2105
2106 wxCHECK_MSG( n != NULL, false, "item not found" );
2107
2108 node->GetNodes().Remove( n );
2109 sub -= n->GetSubTreeCount();
2110 ::DestroyTreeHelper(n);
2111 }
2112 // Make the row number invalid and get a new valid one when user call GetRowCount
2113 m_count = -1;
2114 node->ChangeSubTreeCount(sub);
2115
2116 // Change the current row to the last row if the current exceed the max row number
2117 if( m_currentRow > GetRowCount() )
2118 m_currentRow = m_count - 1;
2119
2120 UpdateDisplay();
2121
2122 return true;
2123 }
2124
2125 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2126 {
2127 SortPrepare();
2128 g_model->Resort();
2129
2130 // Send event
2131 wxWindow *parent = GetParent();
2132 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2133 le.SetEventObject(parent);
2134 le.SetModel(GetOwner()->GetModel());
2135 le.SetItem(item);
2136 parent->GetEventHandler()->ProcessEvent(le);
2137
2138 return true;
2139 }
2140
2141 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2142 {
2143 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2144 /*#define MAX_VIRTUAL_WIDTH 100000
2145
2146 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2147 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2148 Refresh( true, &rect );
2149
2150 return true;
2151 */
2152 SortPrepare();
2153 g_model->Resort();
2154
2155 // Send event
2156 wxWindow *parent = GetParent();
2157 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2158 le.SetEventObject(parent);
2159 le.SetModel(GetOwner()->GetModel());
2160 le.SetItem(item);
2161 le.SetColumn(col);
2162 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2163 parent->GetEventHandler()->ProcessEvent(le);
2164
2165 return true;
2166 }
2167
2168 bool wxDataViewMainWindow::Cleared()
2169 {
2170 DestroyTree();
2171
2172 SortPrepare();
2173 BuildTree( GetOwner()->GetModel() );
2174
2175 UpdateDisplay();
2176
2177 return true;
2178 }
2179
2180 void wxDataViewMainWindow::UpdateDisplay()
2181 {
2182 m_dirty = true;
2183 }
2184
2185 void wxDataViewMainWindow::OnInternalIdle()
2186 {
2187 wxWindow::OnInternalIdle();
2188
2189 if (m_dirty)
2190 {
2191 RecalculateDisplay();
2192 m_dirty = false;
2193 }
2194 }
2195
2196 void wxDataViewMainWindow::RecalculateDisplay()
2197 {
2198 wxDataViewModel *model = GetOwner()->GetModel();
2199 if (!model)
2200 {
2201 Refresh();
2202 return;
2203 }
2204
2205 int width = GetEndOfLastCol();
2206 int height = GetLineStart( GetRowCount() );
2207
2208 SetVirtualSize( width, height );
2209 GetOwner()->SetScrollRate( 10, m_lineHeight );
2210
2211 Refresh();
2212 }
2213
2214 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2215 {
2216 wxWindow::ScrollWindow( dx, dy, rect );
2217
2218 if (GetOwner()->m_headerArea)
2219 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2220 }
2221
2222 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2223 {
2224 int x, y;
2225 m_owner->GetScrollPixelsPerUnit( &x, &y );
2226 int sy = GetLineStart( rows )/y;
2227 int sx = 0;
2228 if( column != -1 )
2229 {
2230 wxRect rect = GetClientRect();
2231 int colnum = 0;
2232 int x_start, w = 0;
2233 int xx, yy, xe;
2234 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2235 for (x_start = 0; colnum < column; colnum++)
2236 {
2237 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2238 if (col->IsHidden())
2239 continue; // skip it!
2240
2241 w = col->GetWidth();
2242 x_start += w;
2243 }
2244
2245 int x_end = x_start + w;
2246 xe = xx + rect.width;
2247 if( x_end > xe )
2248 {
2249 sx = ( xx + x_end - xe )/x;
2250 }
2251 if( x_start < xx )
2252 {
2253 sx = x_start/x;
2254 }
2255 }
2256 m_owner->Scroll( sx, sy );
2257 }
2258
2259 int wxDataViewMainWindow::GetCountPerPage() const
2260 {
2261 wxSize size = GetClientSize();
2262 return size.y / m_lineHeight;
2263 }
2264
2265 int wxDataViewMainWindow::GetEndOfLastCol() const
2266 {
2267 int width = 0;
2268 unsigned int i;
2269 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2270 {
2271 const wxDataViewColumn *c =
2272 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2273
2274 if (!c->IsHidden())
2275 width += c->GetWidth();
2276 }
2277 return width;
2278 }
2279
2280 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2281 {
2282 int x = 0;
2283 int y = 0;
2284 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2285
2286 return GetLineAt( y );
2287 }
2288
2289 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2290 {
2291 wxSize client_size = GetClientSize();
2292 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2293 &client_size.x, &client_size.y );
2294
2295 // we should deal with the pixel here
2296 unsigned int row = GetLineAt(client_size.y) - 1;
2297
2298 return wxMin( GetRowCount()-1, row );
2299 }
2300
2301 unsigned int wxDataViewMainWindow::GetRowCount()
2302 {
2303 if ( m_count == -1 )
2304 {
2305 m_count = RecalculateCount();
2306 UpdateDisplay();
2307 }
2308 return m_count;
2309 }
2310
2311 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2312 {
2313 m_currentRow = row;
2314
2315 // send event
2316 }
2317
2318 void wxDataViewMainWindow::SelectAllRows( bool on )
2319 {
2320 if (IsEmpty())
2321 return;
2322
2323 if (on)
2324 {
2325 m_selection.Clear();
2326 for (unsigned int i = 0; i < GetRowCount(); i++)
2327 m_selection.Add( i );
2328 Refresh();
2329 }
2330 else
2331 {
2332 unsigned int first_visible = GetFirstVisibleRow();
2333 unsigned int last_visible = GetLastVisibleRow();
2334 unsigned int i;
2335 for (i = 0; i < m_selection.GetCount(); i++)
2336 {
2337 unsigned int row = m_selection[i];
2338 if ((row >= first_visible) && (row <= last_visible))
2339 RefreshRow( row );
2340 }
2341 m_selection.Clear();
2342 }
2343 }
2344
2345 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2346 {
2347 if (m_selection.Index( row ) == wxNOT_FOUND)
2348 {
2349 if (on)
2350 {
2351 m_selection.Add( row );
2352 RefreshRow( row );
2353 }
2354 }
2355 else
2356 {
2357 if (!on)
2358 {
2359 m_selection.Remove( row );
2360 RefreshRow( row );
2361 }
2362 }
2363 }
2364
2365 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2366 {
2367 if (from > to)
2368 {
2369 unsigned int tmp = from;
2370 from = to;
2371 to = tmp;
2372 }
2373
2374 unsigned int i;
2375 for (i = from; i <= to; i++)
2376 {
2377 if (m_selection.Index( i ) == wxNOT_FOUND)
2378 {
2379 if (on)
2380 m_selection.Add( i );
2381 }
2382 else
2383 {
2384 if (!on)
2385 m_selection.Remove( i );
2386 }
2387 }
2388 RefreshRows( from, to );
2389 }
2390
2391 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2392 {
2393 for (size_t i=0; i < aSelections.GetCount(); i++)
2394 {
2395 int n = aSelections[i];
2396
2397 m_selection.Add( n );
2398 RefreshRow( n );
2399 }
2400 }
2401
2402 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2403 {
2404 if (m_selection.Index( row ) == wxNOT_FOUND)
2405 m_selection.Add( row );
2406 else
2407 m_selection.Remove( row );
2408 RefreshRow( row );
2409 }
2410
2411 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2412 {
2413 return (m_selection.Index( row ) != wxNOT_FOUND);
2414 }
2415
2416 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2417 {
2418 wxWindow *parent = GetParent();
2419 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2420
2421 le.SetEventObject(parent);
2422 le.SetModel(GetOwner()->GetModel());
2423 le.SetItem( item );
2424
2425 parent->GetEventHandler()->ProcessEvent(le);
2426 }
2427
2428 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2429 {
2430 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
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::RefreshRows( unsigned int from, unsigned int to )
2441 {
2442 if (from > to)
2443 {
2444 unsigned int tmp = to;
2445 to = from;
2446 from = tmp;
2447 }
2448
2449 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2450 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2451
2452 wxSize client_size = GetClientSize();
2453 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2454 wxRect intersect_rect = client_rect.Intersect( rect );
2455 if (intersect_rect.width > 0)
2456 Refresh( true, &intersect_rect );
2457 }
2458
2459 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2460 {
2461 wxSize client_size = GetClientSize();
2462 int start = GetLineStart( firstRow );
2463 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2464 if (start > client_size.y) return;
2465
2466 wxRect rect( 0, start, client_size.x, client_size.y - start );
2467
2468 Refresh( true, &rect );
2469 }
2470
2471 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2472 {
2473 wxCHECK_RET( newCurrent < GetRowCount(),
2474 wxT("invalid item index in OnArrowChar()") );
2475
2476 // if there is no selection, we cannot move it anywhere
2477 if (!HasCurrentRow())
2478 return;
2479
2480 unsigned int oldCurrent = m_currentRow;
2481
2482 // in single selection we just ignore Shift as we can't select several
2483 // items anyhow
2484 if ( event.ShiftDown() && !IsSingleSel() )
2485 {
2486 RefreshRow( oldCurrent );
2487
2488 ChangeCurrentRow( newCurrent );
2489
2490 // select all the items between the old and the new one
2491 if ( oldCurrent > newCurrent )
2492 {
2493 newCurrent = oldCurrent;
2494 oldCurrent = m_currentRow;
2495 }
2496
2497 SelectRows( oldCurrent, newCurrent, true );
2498 if (oldCurrent!=newCurrent)
2499 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2500 }
2501 else // !shift
2502 {
2503 RefreshRow( oldCurrent );
2504
2505 // all previously selected items are unselected unless ctrl is held
2506 if ( !event.ControlDown() )
2507 SelectAllRows(false);
2508
2509 ChangeCurrentRow( newCurrent );
2510
2511 if ( !event.ControlDown() )
2512 {
2513 SelectRow( m_currentRow, true );
2514 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2515 }
2516 else
2517 RefreshRow( m_currentRow );
2518 }
2519
2520 GetOwner()->EnsureVisible( m_currentRow, -1 );
2521 }
2522
2523 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2524 {
2525 wxRect rect;
2526 rect.x = 0;
2527 rect.y = GetLineStart( row );
2528 rect.width = GetEndOfLastCol();
2529 rect.height = GetLineHeight( row );
2530
2531 return rect;
2532 }
2533
2534 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2535 {
2536 const wxDataViewModel *model = GetOwner()->GetModel();
2537
2538 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2539 {
2540 // TODO make more efficient
2541
2542 int start = 0;
2543
2544 unsigned int r;
2545 for (r = 0; r < row; r++)
2546 {
2547 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2548 if (!node) return start;
2549
2550 wxDataViewItem item = node->GetItem();
2551
2552 if (node && !node->HasChildren())
2553 {
2554 // Yes, if the node does not have any child, it must be a leaf which
2555 // mean that it is a temporarily created by GetTreeNodeByRow
2556 wxDELETE(node);
2557 }
2558
2559 unsigned int cols = GetOwner()->GetColumnCount();
2560 unsigned int col;
2561 int height = m_lineHeight;
2562 for (col = 0; col < cols; col++)
2563 {
2564 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2565 if (column->IsHidden())
2566 continue; // skip it!
2567
2568 if ((col != 0) &&
2569 model->IsContainer(item) &&
2570 !model->HasContainerColumns(item))
2571 continue; // skip it!
2572
2573 wxVariant value;
2574 model->GetValue( value, item, column->GetModelColumn() );
2575
2576 wxDataViewRenderer *renderer =
2577 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2578 renderer->SetValue( value );
2579 height = wxMax( height, renderer->GetSize().y );
2580 }
2581
2582 start += height;
2583 }
2584
2585 return start;
2586 }
2587 else
2588 {
2589 return row * m_lineHeight;
2590 }
2591 }
2592
2593 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2594 {
2595 const wxDataViewModel *model = GetOwner()->GetModel();
2596
2597 // check for the easy case first
2598 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2599 return y / m_lineHeight;
2600
2601 // TODO make more efficient
2602 unsigned int row = 0;
2603 unsigned int yy = 0;
2604 for (;;)
2605 {
2606 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2607 if (!node)
2608 {
2609 // not really correct...
2610 return row + ((y-yy) / m_lineHeight);
2611 }
2612
2613 wxDataViewItem item = node->GetItem();
2614
2615 if (node && !node->HasChildren())
2616 {
2617 // Yes, if the node does not have any child, it must be a leaf which
2618 // mean that it is a temporarily created by GetTreeNodeByRow
2619 wxDELETE(node);
2620 }
2621
2622 unsigned int cols = GetOwner()->GetColumnCount();
2623 unsigned int col;
2624 int height = m_lineHeight;
2625 for (col = 0; col < cols; col++)
2626 {
2627 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2628 if (column->IsHidden())
2629 continue; // skip it!
2630
2631 if ((col != 0) &&
2632 model->IsContainer(item) &&
2633 !model->HasContainerColumns(item))
2634 continue; // skip it!
2635
2636 wxVariant value;
2637 model->GetValue( value, item, column->GetModelColumn() );
2638
2639 wxDataViewRenderer *renderer =
2640 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2641 renderer->SetValue( value );
2642 height = wxMax( height, renderer->GetSize().y );
2643 }
2644
2645 yy += height;
2646 if (y < yy)
2647 return row;
2648
2649 row++;
2650 }
2651 }
2652
2653 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2654 {
2655 const wxDataViewModel *model = GetOwner()->GetModel();
2656
2657 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2658 {
2659 wxASSERT( !IsVirtualList() );
2660
2661 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2662 // wxASSERT( node );
2663 if (!node) return m_lineHeight;
2664
2665 wxDataViewItem item = node->GetItem();
2666
2667 if (node && !node->HasChildren())
2668 {
2669 // Yes, if the node does not have any child, it must be a leaf which
2670 // mean that it is a temporarily created by GetTreeNodeByRow
2671 wxDELETE(node);
2672 }
2673
2674 int height = m_lineHeight;
2675
2676 unsigned int cols = GetOwner()->GetColumnCount();
2677 unsigned int col;
2678 for (col = 0; col < cols; col++)
2679 {
2680 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2681 if (column->IsHidden())
2682 continue; // skip it!
2683
2684 if ((col != 0) &&
2685 model->IsContainer(item) &&
2686 !model->HasContainerColumns(item))
2687 continue; // skip it!
2688
2689 wxVariant value;
2690 model->GetValue( value, item, column->GetModelColumn() );
2691
2692 wxDataViewRenderer *renderer =
2693 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2694 renderer->SetValue( value );
2695 height = wxMax( height, renderer->GetSize().y );
2696 }
2697
2698 return height;
2699 }
2700 else
2701 {
2702 return m_lineHeight;
2703 }
2704 }
2705
2706 class RowToItemJob: public DoJob
2707 {
2708 public:
2709 RowToItemJob( unsigned int row , int current )
2710 { this->row = row; this->current = current; }
2711 virtual ~RowToItemJob() {}
2712
2713 virtual int operator() ( wxDataViewTreeNode * node )
2714 {
2715 current ++;
2716 if( current == static_cast<int>(row))
2717 {
2718 ret = node->GetItem();
2719 return DoJob::OK;
2720 }
2721
2722 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2723 {
2724 current += node->GetSubTreeCount();
2725 return DoJob::IGR;
2726 }
2727 else
2728 {
2729 // If the current has no child node, we can find the desired item of the row
2730 // number directly.
2731 // This if can speed up finding in some case, and will has a very good effect
2732 // when it comes to list view
2733 if( node->GetNodes().GetCount() == 0)
2734 {
2735 int index = static_cast<int>(row) - current - 1;
2736 ret = node->GetChildren().Item( index );
2737 return DoJob::OK;
2738 }
2739 return DoJob::CONT;
2740 }
2741 }
2742
2743 virtual int operator() ( void * n )
2744 {
2745 current ++;
2746 if( current == static_cast<int>(row))
2747 {
2748 ret = wxDataViewItem( n );
2749 return DoJob::OK;
2750 }
2751 return DoJob::CONT;
2752 }
2753
2754 wxDataViewItem GetResult() const
2755 { return ret; }
2756
2757 private:
2758 unsigned int row;
2759 int current;
2760 wxDataViewItem ret;
2761 };
2762
2763 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2764 {
2765 if (IsVirtualList())
2766 {
2767 return wxDataViewItem( wxUIntToPtr(row+1) );
2768 }
2769 else
2770 {
2771 RowToItemJob job( row, -2 );
2772 Walker( m_root , job );
2773 return job.GetResult();
2774 }
2775 }
2776
2777 class RowToTreeNodeJob: public DoJob
2778 {
2779 public:
2780 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2781 {
2782 this->row = row;
2783 this->current = current;
2784 ret = NULL;
2785 parent = node;
2786 }
2787 virtual ~RowToTreeNodeJob(){ }
2788
2789 virtual int operator() ( wxDataViewTreeNode * node )
2790 {
2791 current ++;
2792 if( current == static_cast<int>(row))
2793 {
2794 ret = node;
2795 return DoJob::OK;
2796 }
2797
2798 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2799 {
2800 current += node->GetSubTreeCount();
2801 return DoJob::IGR;
2802 }
2803 else
2804 {
2805 parent = node;
2806
2807 // If the current node has no children, we can find the desired item of the
2808 // row number directly.
2809 // This if can speed up finding in some case, and will have a very good
2810 // effect for list views.
2811 if( node->GetNodes().GetCount() == 0)
2812 {
2813 int index = static_cast<int>(row) - current - 1;
2814 void * n = node->GetChildren().Item( index );
2815 ret = new wxDataViewTreeNode( parent );
2816 ret->SetItem( wxDataViewItem( n ));
2817 ret->SetHasChildren(false);
2818 return DoJob::OK;
2819 }
2820 return DoJob::CONT;
2821 }
2822 }
2823
2824 virtual int operator() ( void * n )
2825 {
2826 current ++;
2827 if( current == static_cast<int>(row))
2828 {
2829 ret = new wxDataViewTreeNode( parent );
2830 ret->SetItem( wxDataViewItem( n ));
2831 ret->SetHasChildren(false);
2832 return DoJob::OK;
2833 }
2834
2835 return DoJob::CONT;
2836 }
2837
2838 wxDataViewTreeNode * GetResult() const
2839 { return ret; }
2840
2841 private:
2842 unsigned int row;
2843 int current;
2844 wxDataViewTreeNode * ret;
2845 wxDataViewTreeNode * parent;
2846 };
2847
2848 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2849 {
2850 wxASSERT( !IsVirtualList() );
2851
2852 RowToTreeNodeJob job( row , -2, m_root );
2853 Walker( m_root , job );
2854 return job.GetResult();
2855 }
2856
2857 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2858 const wxDataViewItem & item )
2859 {
2860 wxWindow *parent = GetParent();
2861 wxDataViewEvent le(type, parent->GetId());
2862
2863 le.SetEventObject(parent);
2864 le.SetModel(GetOwner()->GetModel());
2865 le.SetItem( item );
2866
2867 parent->GetEventHandler()->ProcessEvent(le);
2868 return le;
2869 }
2870
2871 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2872 {
2873 if (IsVirtualList())
2874 return false;
2875
2876 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2877 if (!node)
2878 return false;
2879
2880 if (!node->HasChildren())
2881 {
2882 delete node;
2883 return false;
2884 }
2885
2886 return node->IsOpen();
2887 }
2888
2889 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2890 {
2891 if (IsVirtualList())
2892 return false;
2893
2894 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2895 if (!node)
2896 return false;
2897
2898 if (!node->HasChildren())
2899 {
2900 delete node;
2901 return false;
2902 }
2903
2904 return true;
2905 }
2906
2907 void wxDataViewMainWindow::Expand( unsigned int row )
2908 {
2909 if (IsVirtualList())
2910 return;
2911
2912 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2913 if (!node)
2914 return;
2915
2916 if (!node->HasChildren())
2917 {
2918 delete node;
2919 return;
2920 }
2921
2922 if (!node->IsOpen())
2923 {
2924 wxDataViewEvent e =
2925 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2926
2927 // Check if the user prevent expanding
2928 if( e.GetSkipped() )
2929 return;
2930
2931 node->ToggleOpen();
2932
2933 // build the children of current node
2934 if( node->GetChildrenNumber() == 0 )
2935 {
2936 SortPrepare();
2937 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2938 }
2939
2940 // By expanding the node all row indices that are currently in the selection list
2941 // and are greater than our node have become invalid. So we have to correct that now.
2942 const unsigned rowAdjustment = node->GetSubTreeCount();
2943 for(unsigned i=0; i<m_selection.size(); ++i)
2944 {
2945 const unsigned testRow = m_selection[i];
2946 // all rows above us are not affected, so skip them
2947 if(testRow <= row)
2948 continue;
2949
2950 m_selection[i] += rowAdjustment;
2951 }
2952
2953 if(m_currentRow > row)
2954 ChangeCurrentRow(m_currentRow + rowAdjustment);
2955
2956 m_count = -1;
2957 UpdateDisplay();
2958 // Send the expanded event
2959 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2960 }
2961 }
2962
2963 void wxDataViewMainWindow::Collapse(unsigned int row)
2964 {
2965 if (IsVirtualList())
2966 return;
2967
2968 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2969 if (!node)
2970 return;
2971
2972 if (!node->HasChildren())
2973 {
2974 delete node;
2975 return;
2976 }
2977
2978 if (node->IsOpen())
2979 {
2980 wxDataViewEvent e =
2981 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2982 if( e.GetSkipped() )
2983 return;
2984
2985 // Find out if there are selected items below the current node.
2986 bool selectCollapsingRow = false;
2987 const unsigned rowAdjustment = node->GetSubTreeCount();
2988 unsigned maxRowToBeTested = row + rowAdjustment;
2989 for(unsigned i=0; i<m_selection.size(); ++i)
2990 {
2991 const unsigned testRow = m_selection[i];
2992 if(testRow > row && testRow <= maxRowToBeTested)
2993 {
2994 selectCollapsingRow = true;
2995 // get out as soon as we have found a node that is selected
2996 break;
2997 }
2998 }
2999
3000 node->ToggleOpen();
3001
3002 // If the node to be closed has selected items the user won't see those any longer.
3003 // We select the collapsing node in this case.
3004 if(selectCollapsingRow)
3005 {
3006 SelectAllRows(false);
3007 ChangeCurrentRow(row);
3008 SelectRow(row, true);
3009 SendSelectionChangedEvent(GetItemByRow(row));
3010 }
3011 else
3012 {
3013 // if there were no selected items below our node we still need to "fix" the
3014 // selection list to adjust for the changing of the row indices.
3015 // We actually do the opposite of what we are doing in Expand().
3016 for(unsigned i=0; i<m_selection.size(); ++i)
3017 {
3018 const unsigned testRow = m_selection[i];
3019 // all rows above us are not affected, so skip them
3020 if(testRow <= row)
3021 continue;
3022
3023 m_selection[i] -= rowAdjustment;
3024 }
3025
3026 // if the "current row" is being collapsed away we change it to the current row ;-)
3027 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3028 ChangeCurrentRow(row);
3029 else if(m_currentRow > row)
3030 ChangeCurrentRow(m_currentRow - rowAdjustment);
3031 }
3032
3033 m_count = -1;
3034 UpdateDisplay();
3035 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3036 }
3037 }
3038
3039 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3040 {
3041 wxDataViewModel * model = GetOwner()->GetModel();
3042 if( model == NULL )
3043 return NULL;
3044
3045 if (!item.IsOk())
3046 return m_root;
3047
3048 // Compose the a parent-chain of the finding item
3049 ItemList list;
3050 list.DeleteContents( true );
3051 wxDataViewItem it( item );
3052 while( it.IsOk() )
3053 {
3054 wxDataViewItem * pItem = new wxDataViewItem( it );
3055 list.Insert( pItem );
3056 it = model->GetParent( it );
3057 }
3058
3059 // Find the item along the parent-chain.
3060 // This algorithm is designed to speed up the node-finding method
3061 wxDataViewTreeNode * node = m_root;
3062 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3063 {
3064 if( node->HasChildren() )
3065 {
3066 if( node->GetChildrenNumber() == 0 )
3067 {
3068 SortPrepare();
3069 ::BuildTreeHelper(model, node->GetItem(), node);
3070 }
3071
3072 wxDataViewTreeNodes nodes = node->GetNodes();
3073 unsigned int i;
3074 bool found = false;
3075
3076 for (i = 0; i < nodes.GetCount(); i ++)
3077 {
3078 if (nodes[i]->GetItem() == (**iter))
3079 {
3080 if (nodes[i]->GetItem() == item)
3081 return nodes[i];
3082
3083 node = nodes[i];
3084 found = true;
3085 break;
3086 }
3087 }
3088 if (!found)
3089 return NULL;
3090 }
3091 else
3092 return NULL;
3093 }
3094 return NULL;
3095 }
3096
3097 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3098 wxDataViewColumn* &column )
3099 {
3100 wxDataViewColumn *col = NULL;
3101 unsigned int cols = GetOwner()->GetColumnCount();
3102 unsigned int colnum = 0;
3103 int x, y;
3104 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3105 for (unsigned x_start = 0; colnum < cols; colnum++)
3106 {
3107 col = GetOwner()->GetColumnAt(colnum);
3108 if (col->IsHidden())
3109 continue; // skip it!
3110
3111 unsigned int w = col->GetWidth();
3112 if (x_start+w >= (unsigned int)x)
3113 break;
3114
3115 x_start += w;
3116 }
3117
3118 column = col;
3119 item = GetItemByRow( GetLineAt( y ) );
3120 }
3121
3122 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3123 const wxDataViewColumn* column )
3124 {
3125 int xpos = 0;
3126 int width = 0;
3127
3128 unsigned int cols = GetOwner()->GetColumnCount();
3129 // If column is null the loop will compute the combined width of all columns.
3130 // Otherwise, it will compute the x position of the column we are looking for.
3131 for (unsigned int i = 0; i < cols; i++)
3132 {
3133 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3134
3135 if (col == column)
3136 break;
3137
3138 if (col->IsHidden())
3139 continue; // skip it!
3140
3141 xpos += col->GetWidth();
3142 width += col->GetWidth();
3143 }
3144
3145 if(column != 0)
3146 {
3147 // If we have a column, we need can get its width directly.
3148 if(column->IsHidden())
3149 width = 0;
3150 else
3151 width = column->GetWidth();
3152
3153 }
3154 else
3155 {
3156 // If we have no column, we reset the x position back to zero.
3157 xpos = 0;
3158 }
3159
3160 // we have to take an expander column into account and compute its indentation
3161 // to get the correct x position where the actual text is
3162 int indent = 0;
3163 int row = GetRowByItem(item);
3164 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3165 {
3166 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3167 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3168 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3169
3170 if(!node->HasChildren())
3171 delete node;
3172 }
3173
3174 wxRect itemRect( xpos + indent,
3175 GetLineStart( row ),
3176 width - indent,
3177 GetLineHeight( row ) );
3178
3179 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3180 &itemRect.x, &itemRect.y );
3181
3182 return itemRect;
3183 }
3184
3185 int wxDataViewMainWindow::RecalculateCount()
3186 {
3187 if (IsVirtualList())
3188 {
3189 wxDataViewVirtualListModel *list_model =
3190 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3191
3192 return list_model->GetCount();
3193 }
3194 else
3195 {
3196 return m_root->GetSubTreeCount();
3197 }
3198 }
3199
3200 class ItemToRowJob : public DoJob
3201 {
3202 public:
3203 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3204 : m_iter(iter),
3205 item(item_)
3206 {
3207 ret = -1;
3208 }
3209
3210 // Maybe binary search will help to speed up this process
3211 virtual int operator() ( wxDataViewTreeNode * node)
3212 {
3213 ret ++;
3214 if( node->GetItem() == item )
3215 {
3216 return DoJob::OK;
3217 }
3218
3219 if( node->GetItem() == **m_iter )
3220 {
3221 m_iter++;
3222 return DoJob::CONT;
3223 }
3224 else
3225 {
3226 ret += node->GetSubTreeCount();
3227 return DoJob::IGR;
3228 }
3229
3230 }
3231
3232 virtual int operator() ( void * n )
3233 {
3234 ret ++;
3235 if( n == item.GetID() )
3236 return DoJob::OK;
3237 return DoJob::CONT;
3238 }
3239
3240 // the row number is begin from zero
3241 int GetResult() const
3242 { return ret -1; }
3243
3244 private:
3245 ItemList::const_iterator m_iter;
3246 wxDataViewItem item;
3247 int ret;
3248
3249 };
3250
3251 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3252 {
3253 const wxDataViewModel * model = GetOwner()->GetModel();
3254 if( model == NULL )
3255 return -1;
3256
3257 if (IsVirtualList())
3258 {
3259 return wxPtrToUInt( item.GetID() ) -1;
3260 }
3261 else
3262 {
3263 if( !item.IsOk() )
3264 return -1;
3265
3266 // Compose the a parent-chain of the finding item
3267 ItemList list;
3268 wxDataViewItem * pItem;
3269 list.DeleteContents( true );
3270 wxDataViewItem it( item );
3271 while( it.IsOk() )
3272 {
3273 pItem = new wxDataViewItem( it );
3274 list.Insert( pItem );
3275 it = model->GetParent( it );
3276 }
3277 pItem = new wxDataViewItem( );
3278 list.Insert( pItem );
3279
3280 ItemToRowJob job( item, list.begin() );
3281 Walker(m_root , job );
3282 return job.GetResult();
3283 }
3284 }
3285
3286 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3287 wxDataViewTreeNode * node)
3288 {
3289 if( !model->IsContainer( item ) )
3290 return;
3291
3292 wxDataViewItemArray children;
3293 unsigned int num = model->GetChildren( item, children);
3294
3295 unsigned int index = 0;
3296 while( index < num )
3297 {
3298 if( model->IsContainer( children[index] ) )
3299 {
3300 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3301 n->SetItem(children[index]);
3302 n->SetHasChildren( true );
3303 node->AddNode( n );
3304 }
3305 else
3306 {
3307 node->AddLeaf( children[index].GetID() );
3308 }
3309 index ++;
3310 }
3311 node->SetSubTreeCount( num );
3312 wxDataViewTreeNode * n = node->GetParent();
3313 if( n != NULL)
3314 n->ChangeSubTreeCount(num);
3315
3316 }
3317
3318 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3319 {
3320 DestroyTree();
3321
3322 if (GetOwner()->GetModel()->IsVirtualListModel())
3323 {
3324 m_count = -1;
3325 return;
3326 }
3327
3328 m_root = new wxDataViewTreeNode( NULL );
3329 m_root->SetHasChildren(true);
3330
3331 // First we define a invalid item to fetch the top-level elements
3332 wxDataViewItem item;
3333 SortPrepare();
3334 BuildTreeHelper( model, item, m_root);
3335 m_count = -1;
3336 }
3337
3338 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3339 {
3340 if( node->GetNodeNumber() != 0 )
3341 {
3342 int len = node->GetNodeNumber();
3343 wxDataViewTreeNodes& nodes = node->GetNodes();
3344 for (int i = 0; i < len; i++)
3345 DestroyTreeHelper(nodes[i]);
3346 }
3347 delete node;
3348 }
3349
3350 void wxDataViewMainWindow::DestroyTree()
3351 {
3352 if (!IsVirtualList())
3353 {
3354 ::DestroyTreeHelper(m_root);
3355 m_count = 0;
3356 m_root = NULL;
3357 }
3358 }
3359
3360 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3361 {
3362 if ( GetParent()->HandleAsNavigationKey(event) )
3363 return;
3364
3365 // no item -> nothing to do
3366 if (!HasCurrentRow())
3367 {
3368 event.Skip();
3369 return;
3370 }
3371
3372 // don't use m_linesPerPage directly as it might not be computed yet
3373 const int pageSize = GetCountPerPage();
3374 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3375
3376 switch ( event.GetKeyCode() )
3377 {
3378 case WXK_RETURN:
3379 {
3380 wxWindow *parent = GetParent();
3381 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3382 parent->GetId());
3383 le.SetItem( GetItemByRow(m_currentRow) );
3384 le.SetEventObject(parent);
3385 le.SetModel(GetOwner()->GetModel());
3386
3387 parent->GetEventHandler()->ProcessEvent(le);
3388 }
3389 break;
3390
3391 case WXK_UP:
3392 if ( m_currentRow > 0 )
3393 OnArrowChar( m_currentRow - 1, event );
3394 break;
3395
3396 case WXK_DOWN:
3397 if ( m_currentRow < GetRowCount() - 1 )
3398 OnArrowChar( m_currentRow + 1, event );
3399 break;
3400 // Add the process for tree expanding/collapsing
3401 case WXK_LEFT:
3402 {
3403 if (IsVirtualList())
3404 break;
3405
3406 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3407 if (!node)
3408 break;
3409
3410 if (node->HasChildren() && node->IsOpen())
3411 {
3412 Collapse(m_currentRow);
3413 }
3414 else // if the node is already closed we move the selection to its parent
3415 {
3416 wxDataViewTreeNode *parent_node = node->GetParent();
3417
3418 if(!node->HasChildren())
3419 delete node;
3420
3421 if (parent_node)
3422 {
3423 int parent = GetRowByItem( parent_node->GetItem() );
3424 if ( parent >= 0 )
3425 {
3426 unsigned int row = m_currentRow;
3427 SelectRow( row, false);
3428 SelectRow( parent, true );
3429 ChangeCurrentRow( parent );
3430 GetOwner()->EnsureVisible( parent, -1 );
3431 SendSelectionChangedEvent( parent_node->GetItem() );
3432 }
3433 }
3434 }
3435 break;
3436 }
3437 case WXK_RIGHT:
3438 {
3439 if (!IsExpanded( m_currentRow ))
3440 Expand( m_currentRow );
3441 else
3442 {
3443 unsigned int row = m_currentRow;
3444 SelectRow( row, false );
3445 SelectRow( row + 1, true );
3446 ChangeCurrentRow( row + 1 );
3447 GetOwner()->EnsureVisible( row + 1, -1 );
3448 SendSelectionChangedEvent( GetItemByRow(row+1) );
3449 }
3450 break;
3451 }
3452 case WXK_END:
3453 {
3454 if (!IsEmpty())
3455 OnArrowChar( GetRowCount() - 1, event );
3456 break;
3457 }
3458 case WXK_HOME:
3459 if (!IsEmpty())
3460 OnArrowChar( 0, event );
3461 break;
3462
3463 case WXK_PAGEUP:
3464 {
3465 int steps = pageSize - 1;
3466 int index = m_currentRow - steps;
3467 if (index < 0)
3468 index = 0;
3469
3470 OnArrowChar( index, event );
3471 }
3472 break;
3473
3474 case WXK_PAGEDOWN:
3475 {
3476 int steps = pageSize - 1;
3477 unsigned int index = m_currentRow + steps;
3478 unsigned int count = GetRowCount();
3479 if ( index >= count )
3480 index = count - 1;
3481
3482 OnArrowChar( index, event );
3483 }
3484 break;
3485
3486 case WXK_F2:
3487 {
3488 if(m_selection.size() == 1)
3489 {
3490 // TODO: we need to revise that when we have a concept for a 'current column'
3491 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3492 }
3493 }
3494 break;
3495
3496 default:
3497 event.Skip();
3498 }
3499 }
3500
3501 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3502 {
3503 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3504 {
3505 // let the base handle mouse wheel events.
3506 event.Skip();
3507 return;
3508 }
3509
3510 int x = event.GetX();
3511 int y = event.GetY();
3512 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3513 wxDataViewColumn *col = NULL;
3514
3515 int xpos = 0;
3516 unsigned int cols = GetOwner()->GetColumnCount();
3517 unsigned int i;
3518 for (i = 0; i < cols; i++)
3519 {
3520 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3521 if (c->IsHidden())
3522 continue; // skip it!
3523
3524 if (x < xpos + c->GetWidth())
3525 {
3526 col = c;
3527 break;
3528 }
3529 xpos += c->GetWidth();
3530 }
3531 if (!col)
3532 return;
3533
3534 wxDataViewRenderer *cell = col->GetRenderer();
3535 unsigned int current = GetLineAt( y );
3536 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3537 {
3538 // Unselect all if below the last row ?
3539 return;
3540 }
3541
3542 // Test whether the mouse is hovered on the tree item button
3543 bool hoverOverExpander = false;
3544 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3545 {
3546 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3547 if( node!=NULL && node->HasChildren() )
3548 {
3549 int indent = node->GetIndentLevel();
3550 indent = GetOwner()->GetIndent()*indent;
3551
3552 // we make the rectangle we are looking in a bit bigger than the actual
3553 // visual expander so the user can hit that little thing reliably
3554 wxRect rect( xpos + indent,
3555 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3556 m_lineHeight, m_lineHeight);
3557 if( rect.Contains(x, y) )
3558 {
3559 // So the mouse is over the expander
3560 hoverOverExpander = true;
3561 if (m_underMouse && m_underMouse != node)
3562 {
3563 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3564 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3565 }
3566 if (m_underMouse != node)
3567 {
3568 // wxLogMessage("Do the row: %d", current);
3569 RefreshRow(current);
3570 }
3571 m_underMouse = node;
3572 }
3573 }
3574 if (node!=NULL && !node->HasChildren())
3575 delete node;
3576 }
3577 if (!hoverOverExpander)
3578 {
3579 if (m_underMouse != NULL)
3580 {
3581 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3582 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3583 m_underMouse = NULL;
3584 }
3585 }
3586
3587 wxDataViewModel *model = GetOwner()->GetModel();
3588
3589 #if wxUSE_DRAG_AND_DROP
3590 if (event.Dragging())
3591 {
3592 if (m_dragCount == 0)
3593 {
3594 // we have to report the raw, physical coords as we want to be
3595 // able to call HitTest(event.m_pointDrag) from the user code to
3596 // get the item being dragged
3597 m_dragStart = event.GetPosition();
3598 }
3599
3600 m_dragCount++;
3601
3602 if (m_dragCount != 3)
3603 return;
3604
3605 if (event.LeftIsDown())
3606 {
3607 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3608 &m_dragStart.x, &m_dragStart.y );
3609 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3610 wxDataViewItem item = GetItemByRow( drag_item_row );
3611
3612 // Notify cell about drag
3613 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3614 event.SetEventObject( m_owner );
3615 event.SetItem( item );
3616 event.SetModel( model );
3617 if (!m_owner->HandleWindowEvent( event ))
3618 return;
3619
3620 if (!event.IsAllowed())
3621 return;
3622
3623 wxDataObject *obj = event.GetDataObject();
3624 if (!obj)
3625 return;
3626
3627 wxDataViewDropSource drag( this, drag_item_row );
3628 drag.SetData( *obj );
3629 /* wxDragResult res = */ drag.DoDragDrop();
3630 delete obj;
3631 }
3632 return;
3633 }
3634 else
3635 {
3636 m_dragCount = 0;
3637 }
3638 #endif // wxUSE_DRAG_AND_DROP
3639
3640 bool simulateClick = false;
3641
3642 if (event.ButtonDClick())
3643 {
3644 m_renameTimer->Stop();
3645 m_lastOnSame = false;
3646 }
3647
3648 wxDataViewItem item = GetItemByRow(current);
3649 bool ignore_other_columns =
3650 ((GetOwner()->GetExpanderColumn() != col) &&
3651 (model->IsContainer(item)) &&
3652 (!model->HasContainerColumns(item)));
3653
3654 if (event.LeftDClick())
3655 {
3656 if(hoverOverExpander)
3657 {
3658 // a double click on the expander will be converted into a "simulated" normal click
3659 simulateClick = true;
3660 }
3661 else if ( current == m_lineLastClicked )
3662 {
3663 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3664 {
3665 wxVariant value;
3666 model->GetValue( value, item, col->GetModelColumn() );
3667 cell->SetValue( value );
3668 wxRect cell_rect( xpos, GetLineStart( current ),
3669 col->GetWidth(), GetLineHeight( current ) );
3670 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3671 }
3672 else
3673 {
3674 wxWindow *parent = GetParent();
3675 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3676 le.SetItem( item );
3677 le.SetEventObject(parent);
3678 le.SetModel(GetOwner()->GetModel());
3679
3680 parent->GetEventHandler()->ProcessEvent(le);
3681 }
3682 return;
3683 }
3684 else
3685 {
3686 // The first click was on another item, so don't interpret this as
3687 // a double click, but as a simple click instead
3688 simulateClick = true;
3689 }
3690 }
3691
3692 if (event.LeftUp() && !hoverOverExpander)
3693 {
3694 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3695 {
3696 // select single line
3697 SelectAllRows( false );
3698 SelectRow( m_lineSelectSingleOnUp, true );
3699 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3700 }
3701
3702 // If the user click the expander, we do not do editing even if the column
3703 // with expander are editable
3704 if (m_lastOnSame && !ignore_other_columns)
3705 {
3706 if ((col == m_currentCol) && (current == m_currentRow) &&
3707 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3708 {
3709 m_renameTimer->Start( 100, true );
3710 }
3711 }
3712
3713 m_lastOnSame = false;
3714 m_lineSelectSingleOnUp = (unsigned int)-1;
3715 }
3716 else if(!event.LeftUp())
3717 {
3718 // This is necessary, because after a DnD operation in
3719 // from and to ourself, the up event is swallowed by the
3720 // DnD code. So on next non-up event (which means here and
3721 // now) m_lineSelectSingleOnUp should be reset.
3722 m_lineSelectSingleOnUp = (unsigned int)-1;
3723 }
3724
3725 if (event.RightDown())
3726 {
3727 m_lineBeforeLastClicked = m_lineLastClicked;
3728 m_lineLastClicked = current;
3729
3730 // If the item is already selected, do not update the selection.
3731 // Multi-selections should not be cleared if a selected item is clicked.
3732 if (!IsRowSelected(current))
3733 {
3734 SelectAllRows(false);
3735 ChangeCurrentRow(current);
3736 SelectRow(m_currentRow,true);
3737 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3738 }
3739 }
3740 else if (event.RightUp())
3741 {
3742 wxVariant value;
3743 model->GetValue( value, item, col->GetModelColumn() );
3744 wxWindow *parent = GetParent();
3745 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3746 le.SetItem( item );
3747 le.SetEventObject(parent);
3748 le.SetModel(GetOwner()->GetModel());
3749 le.SetValue(value);
3750 parent->GetEventHandler()->ProcessEvent(le);
3751 }
3752 else if (event.MiddleDown())
3753 {
3754 }
3755
3756 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3757 {
3758 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3759
3760 // hoverOverExpander being true tells us that our node must be
3761 // valid and have children.
3762 // So we don't need any extra checks.
3763 if( node->IsOpen() )
3764 Collapse(current);
3765 else
3766 Expand(current);
3767 }
3768 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3769 {
3770 SetFocus();
3771
3772 m_lineBeforeLastClicked = m_lineLastClicked;
3773 m_lineLastClicked = current;
3774
3775 unsigned int oldCurrentRow = m_currentRow;
3776 bool oldWasSelected = IsRowSelected(m_currentRow);
3777
3778 bool cmdModifierDown = event.CmdDown();
3779 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3780 {
3781 if ( IsSingleSel() || !IsRowSelected(current) )
3782 {
3783 SelectAllRows( false );
3784 ChangeCurrentRow(current);
3785 SelectRow(m_currentRow,true);
3786 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3787 }
3788 else // multi sel & current is highlighted & no mod keys
3789 {
3790 m_lineSelectSingleOnUp = current;
3791 ChangeCurrentRow(current); // change focus
3792 }
3793 }
3794 else // multi sel & either ctrl or shift is down
3795 {
3796 if (cmdModifierDown)
3797 {
3798 ChangeCurrentRow(current);
3799 ReverseRowSelection(m_currentRow);
3800 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3801 }
3802 else if (event.ShiftDown())
3803 {
3804 ChangeCurrentRow(current);
3805
3806 unsigned int lineFrom = oldCurrentRow,
3807 lineTo = current;
3808
3809 if ( lineTo < lineFrom )
3810 {
3811 lineTo = lineFrom;
3812 lineFrom = m_currentRow;
3813 }
3814
3815 SelectRows(lineFrom, lineTo, true);
3816 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3817 }
3818 else // !ctrl, !shift
3819 {
3820 // test in the enclosing if should make it impossible
3821 wxFAIL_MSG( wxT("how did we get here?") );
3822 }
3823 }
3824
3825 if (m_currentRow != oldCurrentRow)
3826 RefreshRow( oldCurrentRow );
3827
3828 wxDataViewColumn *oldCurrentCol = m_currentCol;
3829
3830 // Update selection here...
3831 m_currentCol = col;
3832
3833 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3834 (current == oldCurrentRow)) && oldWasSelected;
3835
3836 // Call LeftClick after everything else as under GTK+
3837 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3838 {
3839 // notify cell about right click
3840 wxVariant value;
3841 model->GetValue( value, item, col->GetModelColumn() );
3842 cell->SetValue( value );
3843 wxRect cell_rect( xpos, GetLineStart( current ),
3844 col->GetWidth(), GetLineHeight( current ) );
3845 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3846 model, item, col->GetModelColumn());
3847 }
3848 }
3849 }
3850
3851 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3852 {
3853 m_hasFocus = true;
3854
3855 if (HasCurrentRow())
3856 Refresh();
3857
3858 event.Skip();
3859 }
3860
3861 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3862 {
3863 m_hasFocus = false;
3864
3865 if (HasCurrentRow())
3866 Refresh();
3867
3868 event.Skip();
3869 }
3870
3871 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3872 {
3873 if( m_selection.GetCount() != 1 )
3874 return wxDataViewItem();
3875
3876 return GetItemByRow( m_selection.Item(0));
3877 }
3878
3879 //-----------------------------------------------------------------------------
3880 // wxDataViewCtrl
3881 //-----------------------------------------------------------------------------
3882
3883 WX_DEFINE_LIST(wxDataViewColumnList)
3884
3885 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3886 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3887 EVT_SIZE(wxDataViewCtrl::OnSize)
3888 END_EVENT_TABLE()
3889
3890 wxDataViewCtrl::~wxDataViewCtrl()
3891 {
3892 if (m_notifier)
3893 GetModel()->RemoveNotifier( m_notifier );
3894
3895 m_cols.Clear();
3896 }
3897
3898 void wxDataViewCtrl::Init()
3899 {
3900 m_cols.DeleteContents(true);
3901 m_notifier = NULL;
3902
3903 // No sorting column at start
3904 m_sortingColumnIdx = wxNOT_FOUND;
3905
3906 m_headerArea = NULL;
3907 }
3908
3909 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3910 const wxPoint& pos, const wxSize& size,
3911 long style, const wxValidator& validator )
3912 {
3913 // if ( (style & wxBORDER_MASK) == 0)
3914 // style |= wxBORDER_SUNKEN;
3915
3916 Init();
3917
3918 if (!wxControl::Create( parent, id, pos, size,
3919 style | wxScrolledWindowStyle, validator))
3920 return false;
3921
3922 SetInitialSize(size);
3923
3924 #ifdef __WXMAC__
3925 MacSetClipChildren( true );
3926 #endif
3927
3928 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3929
3930 if (HasFlag(wxDV_NO_HEADER))
3931 m_headerArea = NULL;
3932 else
3933 m_headerArea = new wxDataViewHeaderWindow(this);
3934
3935 SetTargetWindow( m_clientArea );
3936
3937 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3938 if (m_headerArea)
3939 sizer->Add( m_headerArea, 0, wxGROW );
3940 sizer->Add( m_clientArea, 1, wxGROW );
3941 SetSizer( sizer );
3942
3943 return true;
3944 }
3945
3946 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3947 {
3948 return wxBORDER_THEME;
3949 }
3950
3951 #ifdef __WXMSW__
3952 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3953 WXWPARAM wParam,
3954 WXLPARAM lParam)
3955 {
3956 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3957
3958 #ifndef __WXWINCE__
3959 // we need to process arrows ourselves for scrolling
3960 if ( nMsg == WM_GETDLGCODE )
3961 {
3962 rc |= DLGC_WANTARROWS;
3963 }
3964 #endif
3965
3966 return rc;
3967 }
3968 #endif
3969
3970 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3971 {
3972 wxSize newsize = size;
3973 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3974 newsize.y -= m_headerArea->GetSize().y;
3975
3976 return newsize;
3977 }
3978
3979 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3980 {
3981 // We need to override OnSize so that our scrolled
3982 // window a) does call Layout() to use sizers for
3983 // positioning the controls but b) does not query
3984 // the sizer for their size and use that for setting
3985 // the scrollable area as set that ourselves by
3986 // calling SetScrollbar() further down.
3987
3988 Layout();
3989
3990 AdjustScrollbars();
3991 }
3992
3993 void wxDataViewCtrl::SetFocus()
3994 {
3995 if (m_clientArea)
3996 m_clientArea->SetFocus();
3997 }
3998
3999 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4000 {
4001 if (!wxDataViewCtrlBase::AssociateModel( model ))
4002 return false;
4003
4004 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4005
4006 model->AddNotifier( m_notifier );
4007
4008 m_clientArea->DestroyTree();
4009
4010 m_clientArea->BuildTree(model);
4011
4012 m_clientArea->UpdateDisplay();
4013
4014 return true;
4015 }
4016
4017 #if wxUSE_DRAG_AND_DROP
4018
4019 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4020 {
4021 return m_clientArea->EnableDragSource( format );
4022 }
4023
4024 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4025 {
4026 return m_clientArea->EnableDropTarget( format );
4027 }
4028
4029 #endif // wxUSE_DRAG_AND_DROP
4030
4031 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4032 {
4033 if (!wxDataViewCtrlBase::AppendColumn(col))
4034 return false;
4035
4036 m_cols.Append( col );
4037 OnColumnsCountChanged();
4038 return true;
4039 }
4040
4041 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4042 {
4043 if (!wxDataViewCtrlBase::PrependColumn(col))
4044 return false;
4045
4046 m_cols.Insert( col );
4047 OnColumnsCountChanged();
4048 return true;
4049 }
4050
4051 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4052 {
4053 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4054 return false;
4055
4056 m_cols.Insert( pos, col );
4057 OnColumnsCountChanged();
4058 return true;
4059 }
4060
4061 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4062 {
4063 if ( m_headerArea )
4064 m_headerArea->UpdateColumn(idx);
4065
4066 m_clientArea->UpdateDisplay();
4067 }
4068
4069 void wxDataViewCtrl::OnColumnsCountChanged()
4070 {
4071 if (m_headerArea)
4072 m_headerArea->SetColumnCount(GetColumnCount());
4073
4074 m_clientArea->UpdateDisplay();
4075 }
4076
4077 void wxDataViewCtrl::DoSetExpanderColumn()
4078 {
4079 m_clientArea->UpdateDisplay();
4080 }
4081
4082 void wxDataViewCtrl::DoSetIndent()
4083 {
4084 m_clientArea->UpdateDisplay();
4085 }
4086
4087 unsigned int wxDataViewCtrl::GetColumnCount() const
4088 {
4089 return m_cols.GetCount();
4090 }
4091
4092 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4093 {
4094 return m_cols[idx];
4095 }
4096
4097 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4098 {
4099 // columns can't be reordered if there is no header window which allows
4100 // to do this
4101 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4102 : pos;
4103
4104 return GetColumn(idx);
4105 }
4106
4107 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4108 {
4109 const unsigned count = m_cols.size();
4110 for ( unsigned n = 0; n < count; n++ )
4111 {
4112 if ( m_cols[n] == column )
4113 return n;
4114 }
4115
4116 return wxNOT_FOUND;
4117 }
4118
4119 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4120 unsigned int WXUNUSED(new_pos))
4121 {
4122 // do _not_ reorder m_cols elements here, they should always be in the
4123 // order in which columns were added, we only display the columns in
4124 // different order
4125 m_clientArea->UpdateDisplay();
4126 }
4127
4128 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4129 {
4130 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4131 if (!ret)
4132 return false;
4133
4134 m_cols.Erase(ret);
4135 OnColumnsCountChanged();
4136
4137 return true;
4138 }
4139
4140 bool wxDataViewCtrl::ClearColumns()
4141 {
4142 m_cols.Clear();
4143 OnColumnsCountChanged();
4144 return true;
4145 }
4146
4147 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4148 {
4149 int ret = 0,
4150 dummy = 0;
4151 unsigned int len = GetColumnCount();
4152 for ( unsigned int i = 0; i < len; i++ )
4153 {
4154 wxDataViewColumn * col = GetColumnAt(i);
4155 if (col->IsHidden())
4156 continue;
4157 ret += col->GetWidth();
4158 if (column==col)
4159 {
4160 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4161 break;
4162 }
4163 }
4164 return ret;
4165 }
4166
4167 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4168 {
4169 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4170 : GetColumn(m_sortingColumnIdx);
4171 }
4172
4173 // Selection code with wxDataViewItem as parameters
4174 wxDataViewItem wxDataViewCtrl::GetSelection() const
4175 {
4176 return m_clientArea->GetSelection();
4177 }
4178
4179 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4180 {
4181 sel.Empty();
4182 wxDataViewSelection selection = m_clientArea->GetSelections();
4183 int len = selection.GetCount();
4184 for( int i = 0; i < len; i ++)
4185 {
4186 unsigned int row = selection[i];
4187 sel.Add( m_clientArea->GetItemByRow( row ) );
4188 }
4189 return len;
4190 }
4191
4192 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4193 {
4194 wxDataViewSelection selection(wxDataViewSelectionCmp);
4195
4196 wxDataViewItem last_parent;
4197
4198 int len = sel.GetCount();
4199 for( int i = 0; i < len; i ++ )
4200 {
4201 wxDataViewItem item = sel[i];
4202 wxDataViewItem parent = GetModel()->GetParent( item );
4203 if (parent)
4204 {
4205 if (parent != last_parent)
4206 ExpandAncestors(item);
4207 }
4208
4209 last_parent = parent;
4210 int row = m_clientArea->GetRowByItem( item );
4211 if( row >= 0 )
4212 selection.Add( static_cast<unsigned int>(row) );
4213 }
4214
4215 m_clientArea->SetSelections( selection );
4216 }
4217
4218 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4219 {
4220 ExpandAncestors( item );
4221
4222 int row = m_clientArea->GetRowByItem( item );
4223 if( row >= 0 )
4224 {
4225 // Unselect all rows before select another in the single select mode
4226 if (m_clientArea->IsSingleSel())
4227 m_clientArea->SelectAllRows(false);
4228 m_clientArea->SelectRow(row, true);
4229 }
4230 }
4231
4232 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4233 {
4234 int row = m_clientArea->GetRowByItem( item );
4235 if( row >= 0 )
4236 m_clientArea->SelectRow(row, false);
4237 }
4238
4239 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4240 {
4241 int row = m_clientArea->GetRowByItem( item );
4242 if( row >= 0 )
4243 {
4244 return m_clientArea->IsRowSelected(row);
4245 }
4246 return false;
4247 }
4248
4249 // Selection code with row number as parameter
4250 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4251 {
4252 sel.Empty();
4253 wxDataViewSelection selection = m_clientArea->GetSelections();
4254 int len = selection.GetCount();
4255 for( int i = 0; i < len; i ++)
4256 {
4257 unsigned int row = selection[i];
4258 sel.Add( row );
4259 }
4260 return len;
4261 }
4262
4263 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4264 {
4265 wxDataViewSelection selection(wxDataViewSelectionCmp);
4266 int len = sel.GetCount();
4267 for( int i = 0; i < len; i ++ )
4268 {
4269 int row = sel[i];
4270 if( row >= 0 )
4271 selection.Add( static_cast<unsigned int>(row) );
4272 }
4273 m_clientArea->SetSelections( selection );
4274 }
4275
4276 void wxDataViewCtrl::Select( int row )
4277 {
4278 if( row >= 0 )
4279 {
4280 if (m_clientArea->IsSingleSel())
4281 m_clientArea->SelectAllRows(false);
4282 m_clientArea->SelectRow( row, true );
4283 }
4284 }
4285
4286 void wxDataViewCtrl::Unselect( int row )
4287 {
4288 if( row >= 0 )
4289 m_clientArea->SelectRow(row, false);
4290 }
4291
4292 bool wxDataViewCtrl::IsSelected( int row ) const
4293 {
4294 if( row >= 0 )
4295 return m_clientArea->IsRowSelected(row);
4296 return false;
4297 }
4298
4299 void wxDataViewCtrl::SelectRange( int from, int to )
4300 {
4301 wxArrayInt sel;
4302 for( int i = from; i < to; i ++ )
4303 sel.Add( i );
4304 m_clientArea->Select(sel);
4305 }
4306
4307 void wxDataViewCtrl::UnselectRange( int from, int to )
4308 {
4309 wxDataViewSelection sel = m_clientArea->GetSelections();
4310 for( int i = from; i < to; i ++ )
4311 if( sel.Index( i ) != wxNOT_FOUND )
4312 sel.Remove( i );
4313 m_clientArea->SetSelections(sel);
4314 }
4315
4316 void wxDataViewCtrl::SelectAll()
4317 {
4318 m_clientArea->SelectAllRows(true);
4319 }
4320
4321 void wxDataViewCtrl::UnselectAll()
4322 {
4323 m_clientArea->SelectAllRows(false);
4324 }
4325
4326 void wxDataViewCtrl::EnsureVisible( int row, int column )
4327 {
4328 if( row < 0 )
4329 row = 0;
4330 if( row > (int) m_clientArea->GetRowCount() )
4331 row = m_clientArea->GetRowCount();
4332
4333 int first = m_clientArea->GetFirstVisibleRow();
4334 int last = m_clientArea->GetLastVisibleRow();
4335 if( row < first )
4336 m_clientArea->ScrollTo( row, column );
4337 else if( row > last )
4338 m_clientArea->ScrollTo( row - last + first, column );
4339 else
4340 m_clientArea->ScrollTo( first, column );
4341 }
4342
4343 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4344 {
4345 ExpandAncestors( item );
4346
4347 m_clientArea->RecalculateDisplay();
4348
4349 int row = m_clientArea->GetRowByItem(item);
4350 if( row >= 0 )
4351 {
4352 if( column == NULL )
4353 EnsureVisible(row, -1);
4354 else
4355 EnsureVisible( row, GetColumnIndex(column) );
4356 }
4357
4358 }
4359
4360 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4361 wxDataViewColumn* &column ) const
4362 {
4363 m_clientArea->HitTest(point, item, column);
4364 }
4365
4366 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4367 const wxDataViewColumn* column ) const
4368 {
4369 return m_clientArea->GetItemRect(item, column);
4370 }
4371
4372 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4373 {
4374 return m_clientArea->GetItemByRow( row );
4375 }
4376
4377 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4378 {
4379 return m_clientArea->GetRowByItem( item );
4380 }
4381
4382 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4383 {
4384 int row = m_clientArea->GetRowByItem( item );
4385 if (row != -1)
4386 m_clientArea->Expand(row);
4387 }
4388
4389 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4390 {
4391 int row = m_clientArea->GetRowByItem( item );
4392 if (row != -1)
4393 m_clientArea->Collapse(row);
4394 }
4395
4396 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4397 {
4398 int row = m_clientArea->GetRowByItem( item );
4399 if (row != -1)
4400 return m_clientArea->IsExpanded(row);
4401 return false;
4402 }
4403
4404 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4405 {
4406 wxDataViewColumn* col = GetColumn( column );
4407 if (!col)
4408 return;
4409
4410 wxRect itemRect = GetItemRect(item, col);
4411 wxDataViewRenderer* renderer = col->GetRenderer();
4412 renderer->StartEditing(item, itemRect);
4413 }
4414
4415 #endif // !wxUSE_GENERICDATAVIEWCTRL
4416
4417 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)