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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_wantsAttr = false;
616 m_hasAttr = false;
617 }
618
619 wxDataViewRenderer::~wxDataViewRenderer()
620 {
621 if (m_dc)
622 delete m_dc;
623 }
624
625 wxDC *wxDataViewRenderer::GetDC()
626 {
627 if (m_dc == NULL)
628 {
629 if (GetOwner() == NULL)
630 return NULL;
631 if (GetOwner()->GetOwner() == NULL)
632 return NULL;
633 m_dc = new wxClientDC( GetOwner()->GetOwner() );
634 }
635
636 return m_dc;
637 }
638
639 void wxDataViewRenderer::SetAlignment( int align )
640 {
641 m_align=align;
642 }
643
644 int wxDataViewRenderer::GetAlignment() const
645 {
646 return m_align;
647 }
648
649 int wxDataViewRenderer::CalculateAlignment() const
650 {
651 if (m_align == wxDVR_DEFAULT_ALIGNMENT)
652 {
653 if (GetOwner() == NULL)
654 return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
655
656 return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
657 }
658
659 return m_align;
660 }
661
662 // ---------------------------------------------------------
663 // wxDataViewCustomRenderer
664 // ---------------------------------------------------------
665
666 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
667
668 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
669 wxDataViewCellMode mode, int align ) :
670 wxDataViewRenderer( varianttype, mode, align )
671 {
672 }
673
674 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
675 wxRect cell, wxDC *dc, int state )
676 {
677 wxDataViewCtrl *view = GetOwner()->GetOwner();
678 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
679 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
680 view->GetForegroundColour();
681 dc->SetTextForeground(col);
682 dc->DrawText( text,
683 cell.x + xoffset,
684 cell.y + ((cell.height - dc->GetCharHeight()) / 2));
685 }
686
687 // ---------------------------------------------------------
688 // wxDataViewTextRenderer
689 // ---------------------------------------------------------
690
691 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
692
693 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
694 wxDataViewCellMode mode, int align ) :
695 wxDataViewCustomRenderer( varianttype, mode, align )
696 {
697 }
698
699 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
700 {
701 m_text = value.GetString();
702
703 return true;
704 }
705
706 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
707 {
708 return false;
709 }
710
711 bool wxDataViewTextRenderer::HasEditorCtrl() const
712 {
713 return true;
714 }
715
716 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
717 wxRect labelRect, const wxVariant &value )
718 {
719 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
720 wxPoint(labelRect.x,labelRect.y),
721 wxSize(labelRect.width,labelRect.height) );
722
723 // select the text in the control an place the cursor at the end
724 ctrl->SetInsertionPointEnd();
725 ctrl->SelectAll();
726
727 return ctrl;
728 }
729
730 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
731 {
732 wxTextCtrl *text = (wxTextCtrl*) editor;
733 value = text->GetValue();
734 return true;
735 }
736
737 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
738 {
739 RenderText( m_text, 0, cell, dc, state );
740 return true;
741 }
742
743 wxSize wxDataViewTextRenderer::GetSize() const
744 {
745 const wxDataViewCtrl *view = GetView();
746 if (!m_text.empty())
747 return view->wxWindowBase::GetTextExtent( m_text );
748 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
749 }
750
751 // ---------------------------------------------------------
752 // wxDataViewTextRendererAttr
753 // ---------------------------------------------------------
754
755 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
756
757 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
758 wxDataViewCellMode mode, int align ) :
759 wxDataViewTextRenderer( varianttype, mode, align )
760 {
761 m_wantsAttr = true;
762 }
763
764 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
765 {
766 wxFont font;
767 wxColour colour;
768
769 if (m_hasAttr)
770 {
771 if (m_attr.HasColour())
772 {
773 colour = dc->GetTextForeground();
774 dc->SetTextForeground( m_attr.GetColour() );
775 }
776
777 if (m_attr.GetBold() || m_attr.GetItalic())
778 {
779 font = dc->GetFont();
780 wxFont myfont = font;
781 if (m_attr.GetBold())
782 myfont.SetWeight( wxFONTWEIGHT_BOLD );
783 if (m_attr.GetItalic())
784 myfont.SetStyle( wxFONTSTYLE_ITALIC );
785 dc->SetFont( myfont );
786 }
787 }
788
789 dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
790
791 // restore dc
792 if (m_hasAttr)
793 {
794 if (m_attr.HasColour())
795 dc->SetTextForeground( colour );
796
797 if (m_attr.GetBold() || m_attr.GetItalic())
798 dc->SetFont( font );
799 }
800
801 return true;
802 }
803
804
805 // ---------------------------------------------------------
806 // wxDataViewBitmapRenderer
807 // ---------------------------------------------------------
808
809 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
810
811 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
812 wxDataViewCellMode mode, int align ) :
813 wxDataViewCustomRenderer( varianttype, mode, align )
814 {
815 }
816
817 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
818 {
819 if (value.GetType() == wxT("wxBitmap"))
820 m_bitmap << value;
821 if (value.GetType() == wxT("wxIcon"))
822 m_icon << value;
823
824 return true;
825 }
826
827 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
828 {
829 return false;
830 }
831
832 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
833 {
834 if (m_bitmap.Ok())
835 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
836 else if (m_icon.Ok())
837 dc->DrawIcon( m_icon, cell.x, cell.y );
838
839 return true;
840 }
841
842 wxSize wxDataViewBitmapRenderer::GetSize() const
843 {
844 if (m_bitmap.Ok())
845 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
846 else if (m_icon.Ok())
847 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
848
849 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
850 }
851
852 // ---------------------------------------------------------
853 // wxDataViewToggleRenderer
854 // ---------------------------------------------------------
855
856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
857
858 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
859 wxDataViewCellMode mode, int align ) :
860 wxDataViewCustomRenderer( varianttype, mode, align )
861 {
862 m_toggle = false;
863 }
864
865 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
866 {
867 m_toggle = value.GetBool();
868
869 return true;
870 }
871
872 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
873 {
874 return false;
875 }
876
877 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
878 {
879 int flags = 0;
880 if (m_toggle)
881 flags |= wxCONTROL_CHECKED;
882 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
883 flags |= wxCONTROL_DISABLED;
884
885 wxRendererNative::Get().DrawCheckBox(
886 GetOwner()->GetOwner(),
887 *dc,
888 cell,
889 flags );
890
891 return true;
892 }
893
894 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
895 wxDataViewModel *model,
896 const wxDataViewItem & item, unsigned int col)
897 {
898 bool value = !m_toggle;
899 wxVariant variant = value;
900 model->SetValue( variant, item, col);
901 model->ValueChanged( item, col );
902 return true;
903 }
904
905 wxSize wxDataViewToggleRenderer::GetSize() const
906 {
907 // the window parameter is not used by GetCheckBoxSize() so it's
908 // safe to pass NULL
909 return wxRendererNative::Get().GetCheckBoxSize(NULL);
910 }
911
912 // ---------------------------------------------------------
913 // wxDataViewProgressRenderer
914 // ---------------------------------------------------------
915
916 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
917
918 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
919 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
920 wxDataViewCustomRenderer( varianttype, mode, align )
921 {
922 m_label = label;
923 m_value = 0;
924 }
925
926 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
927 {
928 }
929
930 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
931 {
932 m_value = (long) value;
933
934 if (m_value < 0) m_value = 0;
935 if (m_value > 100) m_value = 100;
936
937 return true;
938 }
939
940 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
941 {
942 value = (long) m_value;
943 return true;
944 }
945
946 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
947 {
948 double pct = (double)m_value / 100.0;
949 wxRect bar = cell;
950 bar.width = (int)(cell.width * pct);
951 dc->SetPen( *wxTRANSPARENT_PEN );
952 dc->SetBrush( *wxBLUE_BRUSH );
953 dc->DrawRectangle( bar );
954
955 dc->SetBrush( *wxTRANSPARENT_BRUSH );
956 dc->SetPen( *wxBLACK_PEN );
957 dc->DrawRectangle( cell );
958
959 return true;
960 }
961
962 wxSize wxDataViewProgressRenderer::GetSize() const
963 {
964 return wxSize(40,12);
965 }
966
967 // ---------------------------------------------------------
968 // wxDataViewDateRenderer
969 // ---------------------------------------------------------
970
971 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
972
973 #if wxUSE_DATE_RENDERER_POPUP
974
975 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
976 {
977 public:
978 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
979 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
980 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
981 m_item( item )
982 {
983 m_model = model;
984 m_col = col;
985 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
986 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
987 sizer->Add( m_cal, 1, wxGROW );
988 SetSizer( sizer );
989 sizer->Fit( this );
990 }
991
992 void OnCalendar( wxCalendarEvent &event );
993
994 wxCalendarCtrl *m_cal;
995 wxDataViewModel *m_model;
996 unsigned int m_col;
997 const wxDataViewItem & m_item;
998
999 protected:
1000 virtual void OnDismiss()
1001 {
1002 }
1003
1004 private:
1005 DECLARE_EVENT_TABLE()
1006 };
1007
1008 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1009 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1010 END_EVENT_TABLE()
1011
1012 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1013 {
1014 wxDateTime date = event.GetDate();
1015 wxVariant value = date;
1016 m_model->SetValue( value, m_item, m_col );
1017 m_model->ValueChanged( m_item, m_col );
1018 DismissAndNotify();
1019 }
1020
1021 #endif // wxUSE_DATE_RENDERER_POPUP
1022
1023 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1024
1025 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1026 wxDataViewCellMode mode, int align ) :
1027 wxDataViewCustomRenderer( varianttype, mode, align )
1028 {
1029 }
1030
1031 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1032 {
1033 m_date = value.GetDateTime();
1034
1035 return true;
1036 }
1037
1038 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1039 {
1040 value = m_date;
1041 return true;
1042 }
1043
1044 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1045 {
1046 wxString tmp = m_date.FormatDate();
1047 RenderText( tmp, 0, cell, dc, state );
1048 return true;
1049 }
1050
1051 wxSize wxDataViewDateRenderer::GetSize() const
1052 {
1053 const wxDataViewCtrl* view = GetView();
1054 wxString tmp = m_date.FormatDate();
1055 wxCoord x,y,d;
1056 view->GetTextExtent( tmp, &x, &y, &d );
1057 return wxSize(x,y+d);
1058 }
1059
1060 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1061 const wxDataViewItem & item, unsigned int col )
1062 {
1063 wxVariant variant;
1064 model->GetValue( variant, item, col );
1065 wxDateTime value = variant.GetDateTime();
1066
1067 #if wxUSE_DATE_RENDERER_POPUP
1068 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1069 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1070 wxPoint pos = wxGetMousePosition();
1071 popup->Move( pos );
1072 popup->Layout();
1073 popup->Popup( popup->m_cal );
1074 #else // !wxUSE_DATE_RENDERER_POPUP
1075 wxMessageBox(value.Format());
1076 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1077 return true;
1078 }
1079
1080 // ---------------------------------------------------------
1081 // wxDataViewIconTextRenderer
1082 // ---------------------------------------------------------
1083
1084 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1085
1086 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1087 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1088 wxDataViewCustomRenderer( varianttype, mode, align )
1089 {
1090 SetMode(mode);
1091 SetAlignment(align);
1092 }
1093
1094 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1095 {
1096 }
1097
1098 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1099 {
1100 m_value << value;
1101 return true;
1102 }
1103
1104 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1105 {
1106 return false;
1107 }
1108
1109 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1110 {
1111 int xoffset = 0;
1112 const wxIcon &icon = m_value.GetIcon();
1113 if (icon.IsOk())
1114 {
1115 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1116 xoffset = icon.GetWidth()+4;
1117 }
1118
1119 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1120
1121 return true;
1122 }
1123
1124 wxSize wxDataViewIconTextRenderer::GetSize() const
1125 {
1126 const wxDataViewCtrl *view = GetView();
1127 if (!m_value.GetText().empty())
1128 {
1129 int x,y;
1130 view->GetTextExtent( m_value.GetText(), &x, &y );
1131
1132 if (m_value.GetIcon().IsOk())
1133 x += m_value.GetIcon().GetWidth() + 4;
1134 return wxSize( x, y );
1135 }
1136 return wxSize(80,20);
1137 }
1138
1139 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1140 {
1141 wxDataViewIconText iconText;
1142 iconText << value;
1143
1144 wxString text = iconText.GetText();
1145
1146 // adjust the label rect to take the width of the icon into account
1147 if (iconText.GetIcon().IsOk())
1148 {
1149 int w = iconText.GetIcon().GetWidth() + 4;
1150 labelRect.x += w;
1151 labelRect.width -= w;
1152 }
1153
1154 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1155 wxPoint(labelRect.x,labelRect.y),
1156 wxSize(labelRect.width,labelRect.height) );
1157
1158 // select the text in the control an place the cursor at the end
1159 ctrl->SetInsertionPointEnd();
1160 ctrl->SelectAll();
1161
1162 return ctrl;
1163 }
1164
1165 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1166 {
1167 wxTextCtrl *text = (wxTextCtrl*) editor;
1168
1169 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1170 value << iconText;
1171 return true;
1172 }
1173
1174 //-----------------------------------------------------------------------------
1175 // wxDataViewDropTarget
1176 //-----------------------------------------------------------------------------
1177
1178 #if wxUSE_DRAG_AND_DROP
1179
1180 class wxBitmapCanvas: public wxWindow
1181 {
1182 public:
1183 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1184 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1185 {
1186 m_bitmap = bitmap;
1187 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1188 }
1189
1190 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1191 {
1192 wxPaintDC dc(this);
1193 dc.DrawBitmap( m_bitmap, 0, 0);
1194 }
1195
1196 wxBitmap m_bitmap;
1197 };
1198
1199 class wxDataViewDropSource: public wxDropSource
1200 {
1201 public:
1202 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1203 wxDropSource( win )
1204 {
1205 m_win = win;
1206 m_row = row;
1207 m_hint = NULL;
1208 }
1209
1210 ~wxDataViewDropSource()
1211 {
1212 delete m_hint;
1213 }
1214
1215 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1216 {
1217 wxPoint pos = wxGetMousePosition();
1218
1219 if (!m_hint)
1220 {
1221 int liney = m_win->GetLineStart( m_row );
1222 int linex = 0;
1223 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1224 m_win->ClientToScreen( &linex, &liney );
1225 m_dist_x = pos.x - linex;
1226 m_dist_y = pos.y - liney;
1227
1228 int indent = 0;
1229 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1230 m_dist_x -= indent;
1231 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1232 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1233 ib.GetSize(),
1234 wxFRAME_TOOL_WINDOW |
1235 wxFRAME_FLOAT_ON_PARENT |
1236 wxFRAME_NO_TASKBAR |
1237 wxNO_BORDER );
1238 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1239 m_hint->Show();
1240 }
1241 else
1242 {
1243 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1244 m_hint->SetTransparent( 128 );
1245 }
1246
1247 return false;
1248 }
1249
1250 wxDataViewMainWindow *m_win;
1251 unsigned int m_row;
1252 wxFrame *m_hint;
1253 int m_dist_x,m_dist_y;
1254 };
1255
1256
1257 class wxDataViewDropTarget: public wxDropTarget
1258 {
1259 public:
1260 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1261 wxDropTarget( obj )
1262 {
1263 m_win = win;
1264 }
1265
1266 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1267 {
1268 wxDataFormat format = GetMatchingPair();
1269 if (format == wxDF_INVALID)
1270 return wxDragNone;
1271 return m_win->OnDragOver( format, x, y, def);
1272 }
1273
1274 virtual bool OnDrop( wxCoord x, wxCoord y )
1275 {
1276 wxDataFormat format = GetMatchingPair();
1277 if (format == wxDF_INVALID)
1278 return false;
1279 return m_win->OnDrop( format, x, y );
1280 }
1281
1282 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1283 {
1284 wxDataFormat format = GetMatchingPair();
1285 if (format == wxDF_INVALID)
1286 return wxDragNone;
1287 if (!GetData())
1288 return wxDragNone;
1289 return m_win->OnData( format, x, y, def );
1290 }
1291
1292 virtual void OnLeave()
1293 { m_win->OnLeave(); }
1294
1295 wxDataViewMainWindow *m_win;
1296 };
1297
1298 #endif // wxUSE_DRAG_AND_DROP
1299
1300 //-----------------------------------------------------------------------------
1301 // wxDataViewRenameTimer
1302 //-----------------------------------------------------------------------------
1303
1304 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1305 {
1306 m_owner = owner;
1307 }
1308
1309 void wxDataViewRenameTimer::Notify()
1310 {
1311 m_owner->OnRenameTimer();
1312 }
1313
1314 //-----------------------------------------------------------------------------
1315 // wxDataViewMainWindow
1316 //-----------------------------------------------------------------------------
1317
1318 // The tree building helper, declared firstly
1319 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1320 wxDataViewTreeNode * node);
1321
1322 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1323 {
1324 if (row1 > row2) return 1;
1325 if (row1 == row2) return 0;
1326 return -1;
1327 }
1328
1329 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1330
1331 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1332 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1333 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1334 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1335 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1336 EVT_CHAR (wxDataViewMainWindow::OnChar)
1337 END_EVENT_TABLE()
1338
1339 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1340 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1341 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1342 m_selection( wxDataViewSelectionCmp )
1343
1344 {
1345 SetOwner( parent );
1346
1347 m_lastOnSame = false;
1348 m_renameTimer = new wxDataViewRenameTimer( this );
1349
1350 // TODO: user better initial values/nothing selected
1351 m_currentCol = NULL;
1352 m_currentRow = 0;
1353
1354 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1355
1356 #if wxUSE_DRAG_AND_DROP
1357 m_dragCount = 0;
1358 m_dragStart = wxPoint(0,0);
1359
1360 m_dragEnabled = false;
1361 m_dropEnabled = false;
1362 m_dropHint = false;
1363 m_dropHintLine = (unsigned int) -1;
1364 #endif // wxUSE_DRAG_AND_DROP
1365
1366 m_lineLastClicked = (unsigned int) -1;
1367 m_lineBeforeLastClicked = (unsigned int) -1;
1368 m_lineSelectSingleOnUp = (unsigned int) -1;
1369
1370 m_hasFocus = false;
1371
1372 SetBackgroundColour( *wxWHITE );
1373
1374 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1375
1376 m_penRule = wxPen(GetRuleColour());
1377
1378 // compose a pen whichcan draw black lines
1379 // TODO: maybe there is something system colour to use
1380 m_penExpander = wxPen(wxColour(0,0,0));
1381
1382 m_root = new wxDataViewTreeNode( NULL );
1383 m_root->SetHasChildren(true);
1384
1385 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1386 m_count = -1;
1387 m_underMouse = NULL;
1388 UpdateDisplay();
1389 }
1390
1391 wxDataViewMainWindow::~wxDataViewMainWindow()
1392 {
1393 DestroyTree();
1394 delete m_renameTimer;
1395 }
1396
1397
1398 #if wxUSE_DRAG_AND_DROP
1399 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1400 {
1401 m_dragFormat = format;
1402 m_dragEnabled = format != wxDF_INVALID;
1403
1404 return true;
1405 }
1406
1407 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1408 {
1409 m_dropFormat = format;
1410 m_dropEnabled = format != wxDF_INVALID;
1411
1412 if (m_dropEnabled)
1413 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1414
1415 return true;
1416 }
1417
1418 void wxDataViewMainWindow::RemoveDropHint()
1419 {
1420 if (m_dropHint)
1421 {
1422 m_dropHint = false;
1423 RefreshRow( m_dropHintLine );
1424 m_dropHintLine = (unsigned int) -1;
1425 }
1426 }
1427
1428 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1429 wxCoord y, wxDragResult def )
1430 {
1431 int xx = x;
1432 int yy = y;
1433 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1434 unsigned int row = GetLineAt( yy );
1435
1436 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1437 {
1438 RemoveDropHint();
1439 return wxDragNone;
1440 }
1441
1442 wxDataViewItem item = GetItemByRow( row );
1443
1444 wxDataViewModel *model = GetOwner()->GetModel();
1445
1446 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1447 event.SetEventObject( m_owner );
1448 event.SetItem( item );
1449 event.SetModel( model );
1450 event.SetDataFormat( format );
1451 if (!m_owner->HandleWindowEvent( event ))
1452 {
1453 RemoveDropHint();
1454 return wxDragNone;
1455 }
1456
1457 if (!event.IsAllowed())
1458 {
1459 RemoveDropHint();
1460 return wxDragNone;
1461 }
1462
1463
1464 if (m_dropHint && (row != m_dropHintLine))
1465 RefreshRow( m_dropHintLine );
1466 m_dropHint = true;
1467 m_dropHintLine = row;
1468 RefreshRow( row );
1469
1470 return def;
1471 }
1472
1473 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1474 {
1475 RemoveDropHint();
1476
1477 int xx = x;
1478 int yy = y;
1479 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1480 unsigned int row = GetLineAt( yy );
1481
1482 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1483 return false;
1484
1485 wxDataViewItem item = GetItemByRow( row );
1486
1487 wxDataViewModel *model = GetOwner()->GetModel();
1488
1489 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1490 event.SetEventObject( m_owner );
1491 event.SetItem( item );
1492 event.SetModel( model );
1493 event.SetDataFormat( format );
1494 if (!m_owner->HandleWindowEvent( event ))
1495 return false;
1496
1497 if (!event.IsAllowed())
1498 return false;
1499
1500 return true;
1501 }
1502
1503 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1504 wxDragResult def )
1505 {
1506 int xx = x;
1507 int yy = y;
1508 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1509 unsigned int row = GetLineAt( yy );
1510
1511 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1512 return wxDragNone;
1513
1514 wxDataViewItem item = GetItemByRow( row );
1515
1516 wxDataViewModel *model = GetOwner()->GetModel();
1517
1518 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1519
1520 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1521 event.SetEventObject( m_owner );
1522 event.SetItem( item );
1523 event.SetModel( model );
1524 event.SetDataFormat( format );
1525 event.SetDataSize( obj->GetSize() );
1526 event.SetDataBuffer( obj->GetData() );
1527 if (!m_owner->HandleWindowEvent( event ))
1528 return wxDragNone;
1529
1530 if (!event.IsAllowed())
1531 return wxDragNone;
1532
1533 return def;
1534 }
1535
1536 void wxDataViewMainWindow::OnLeave()
1537 {
1538 RemoveDropHint();
1539 }
1540
1541 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1542 {
1543 int height = GetLineHeight( row );
1544 int width = 0;
1545 unsigned int cols = GetOwner()->GetColumnCount();
1546 unsigned int col;
1547 for (col = 0; col < cols; col++)
1548 {
1549 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1550 if (column->IsHidden())
1551 continue; // skip it!
1552 width += column->GetWidth();
1553 }
1554
1555 indent = 0;
1556 if (!IsVirtualList())
1557 {
1558 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1559 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1560 indent = indent + m_lineHeight;
1561 // try to use the m_lineHeight as the expander space
1562
1563 if(!node->HasChildren())
1564 delete node;
1565 }
1566 width -= indent;
1567
1568 wxBitmap bitmap( width, height );
1569 wxMemoryDC dc( bitmap );
1570 dc.SetFont( GetFont() );
1571 dc.SetPen( *wxBLACK_PEN );
1572 dc.SetBrush( *wxWHITE_BRUSH );
1573 dc.DrawRectangle( 0,0,width,height );
1574
1575 wxDataViewModel *model = m_owner->GetModel();
1576
1577 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1578 if (!expander)
1579 {
1580 // TODO-RTL: last column for RTL support
1581 expander = GetOwner()->GetColumnAt( 0 );
1582 GetOwner()->SetExpanderColumn(expander);
1583 }
1584
1585
1586 int x = 0;
1587 for (col = 0; col < cols; col++)
1588 {
1589 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1590 wxDataViewRenderer *cell = column->GetRenderer();
1591
1592 if (column->IsHidden())
1593 continue; // skip it!
1594
1595 width = column->GetWidth();
1596
1597 if (column == expander)
1598 width -= indent;
1599
1600 wxVariant value;
1601 wxDataViewItem item = GetItemByRow( row );
1602 model->GetValue( value, item, column->GetModelColumn());
1603 cell->SetValue( value );
1604
1605 if (cell->GetWantsAttr())
1606 {
1607 wxDataViewItemAttr attr;
1608 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1609 if (ret)
1610 cell->SetAttr( attr );
1611 cell->SetHasAttr( ret );
1612 }
1613
1614 wxSize size = cell->GetSize();
1615 size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1616 size.y = height;
1617 wxRect item_rect(x, 0, size.x, size.y);
1618
1619 int align = cell->CalculateAlignment();
1620 // horizontal alignment:
1621 item_rect.x = x;
1622 if (align & wxALIGN_CENTER_HORIZONTAL)
1623 item_rect.x = x + (width / 2) - (size.x / 2);
1624 else if (align & wxALIGN_RIGHT)
1625 item_rect.x = x + width - size.x;
1626 // else: wxALIGN_LEFT is the default
1627
1628 // vertical alignment:
1629 item_rect.y = 0;
1630 if (align & wxALIGN_CENTER_VERTICAL)
1631 item_rect.y = (height / 2) - (size.y / 2);
1632 else if (align & wxALIGN_BOTTOM)
1633 item_rect.y = height - size.y;
1634 // else: wxALIGN_TOP is the default
1635
1636 // add padding
1637 item_rect.x += PADDING_RIGHTLEFT;
1638 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1639
1640 // dc.SetClippingRegion( item_rect );
1641 cell->Render( item_rect, &dc, 0 );
1642 // dc.DestroyClippingRegion();
1643
1644 x += width;
1645 }
1646
1647 return bitmap;
1648 }
1649
1650 #endif // wxUSE_DRAG_AND_DROP
1651
1652
1653 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1654 {
1655 wxDataViewModel *model = GetOwner()->GetModel();
1656 wxAutoBufferedPaintDC dc( this );
1657
1658 #ifdef __WXMSW__
1659 dc.SetPen( *wxTRANSPARENT_PEN );
1660 dc.SetBrush( wxBrush( GetBackgroundColour()) );
1661 dc.SetBrush( *wxWHITE_BRUSH );
1662 wxSize size( GetClientSize() );
1663 dc.DrawRectangle( 0,0,size.x,size.y );
1664 #endif
1665
1666 // prepare the DC
1667 GetOwner()->PrepareDC( dc );
1668 dc.SetFont( GetFont() );
1669
1670 wxRect update = GetUpdateRegion().GetBox();
1671 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1672
1673 // compute which items needs to be redrawn
1674 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1675 unsigned int item_count =
1676 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1677 (int)(GetRowCount( ) - item_start));
1678 unsigned int item_last = item_start + item_count;
1679 // Get the parent of DataViewCtrl
1680 wxWindow *parent = GetParent()->GetParent();
1681 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1682 cache_event.SetEventObject(GetParent());
1683 cache_event.SetCache(item_start, item_last - 1);
1684 parent->ProcessWindowEvent(cache_event);
1685
1686 // compute which columns needs to be redrawn
1687 unsigned int cols = GetOwner()->GetColumnCount();
1688 unsigned int col_start = 0;
1689 unsigned int x_start;
1690 for (x_start = 0; col_start < cols; col_start++)
1691 {
1692 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1693 if (col->IsHidden())
1694 continue; // skip it!
1695
1696 unsigned int w = col->GetWidth();
1697 if (x_start+w >= (unsigned int)update.x)
1698 break;
1699
1700 x_start += w;
1701 }
1702
1703 unsigned int col_last = col_start;
1704 unsigned int x_last = x_start;
1705 for (; col_last < cols; col_last++)
1706 {
1707 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1708 if (col->IsHidden())
1709 continue; // skip it!
1710
1711 if (x_last > (unsigned int)update.GetRight())
1712 break;
1713
1714 x_last += col->GetWidth();
1715 }
1716
1717 // Draw horizontal rules if required
1718 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1719 {
1720 dc.SetPen(m_penRule);
1721 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1722
1723 for (unsigned int i = item_start; i <= item_last; i++)
1724 {
1725 int y = GetLineStart( i );
1726 dc.DrawLine(x_start, y, x_last, y);
1727 }
1728 }
1729
1730 // Draw vertical rules if required
1731 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1732 {
1733 dc.SetPen(m_penRule);
1734 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1735
1736 int x = x_start;
1737 for (unsigned int i = col_start; i < col_last; i++)
1738 {
1739 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1740 if (col->IsHidden())
1741 continue; // skip it
1742
1743 dc.DrawLine(x, GetLineStart( item_start ),
1744 x, GetLineStart( item_last ) );
1745
1746 x += col->GetWidth();
1747 }
1748
1749 // Draw last vertical rule
1750 dc.DrawLine(x, GetLineStart( item_start ),
1751 x, GetLineStart( item_last ) );
1752 }
1753
1754 // redraw the background for the items which are selected/current
1755 for (unsigned int item = item_start; item < item_last; item++)
1756 {
1757 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1758 if (selected || item == m_currentRow)
1759 {
1760 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1761 if (item == m_currentRow)
1762 flags |= wxCONTROL_CURRENT;
1763 if (m_hasFocus)
1764 flags |= wxCONTROL_FOCUSED;
1765
1766 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1767 wxRendererNative::Get().DrawItemSelectionRect
1768 (
1769 this,
1770 dc,
1771 rect,
1772 flags
1773 );
1774 }
1775 }
1776
1777 #if wxUSE_DRAG_AND_DROP
1778 if (m_dropHint)
1779 {
1780 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1781 x_last, GetLineHeight( m_dropHintLine ) );
1782 dc.SetPen( *wxBLACK_PEN );
1783 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1784 dc.DrawRectangle( rect );
1785 }
1786 #endif // wxUSE_DRAG_AND_DROP
1787
1788 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1789 if (!expander)
1790 {
1791 // TODO-RTL: last column for RTL support
1792 expander = GetOwner()->GetColumnAt( 0 );
1793 GetOwner()->SetExpanderColumn(expander);
1794 }
1795
1796 // redraw all cells for all rows which must be repainted and all columns
1797 wxRect cell_rect;
1798 cell_rect.x = x_start;
1799 for (unsigned int i = col_start; i < col_last; i++)
1800 {
1801 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1802 wxDataViewRenderer *cell = col->GetRenderer();
1803 cell_rect.width = col->GetWidth();
1804
1805 if (col->IsHidden())
1806 continue; // skip it!
1807
1808 for (unsigned int item = item_start; item < item_last; item++)
1809 {
1810 // get the cell value and set it into the renderer
1811 wxVariant value;
1812 wxDataViewTreeNode *node = NULL;
1813 wxDataViewItem dataitem;
1814
1815 if (!IsVirtualList())
1816 {
1817 node = GetTreeNodeByRow(item);
1818 if( node == NULL )
1819 continue;
1820
1821 dataitem = node->GetItem();
1822
1823 if ((i > 0) && model->IsContainer(dataitem) &&
1824 !model->HasContainerColumns(dataitem))
1825 continue;
1826 }
1827 else
1828 {
1829 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1830 }
1831
1832 model->GetValue( value, dataitem, col->GetModelColumn());
1833 cell->SetValue( value );
1834
1835 if (cell->GetWantsAttr())
1836 {
1837 wxDataViewItemAttr attr;
1838 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1839 if (ret)
1840 cell->SetAttr( attr );
1841 cell->SetHasAttr( ret );
1842 }
1843
1844 // update cell_rect
1845 cell_rect.y = GetLineStart( item );
1846 cell_rect.height = GetLineHeight( item );
1847
1848 // Draw the expander here.
1849 int indent = 0;
1850 if ((!IsVirtualList()) && (col == expander))
1851 {
1852 indent = node->GetIndentLevel();
1853
1854 // Calculate the indent first
1855 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1856
1857 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1858
1859 // change the cell_rect.x to the appropriate pos
1860 int expander_x = indent + EXPANDER_MARGIN;
1861 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1862 - (expander_width/2) - EXPANDER_OFFSET;
1863
1864 indent = indent + m_lineHeight;
1865 // try to use the m_lineHeight as the expander space
1866
1867 dc.SetPen( m_penExpander );
1868 dc.SetBrush( wxNullBrush );
1869 if( node->HasChildren() )
1870 {
1871 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1872 int flag = 0;
1873 if (m_underMouse == node)
1874 {
1875 flag |= wxCONTROL_CURRENT;
1876 }
1877 if( node->IsOpen() )
1878 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1879 flag|wxCONTROL_EXPANDED );
1880 else
1881 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1882 }
1883
1884 // force the expander column to left-center align
1885 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1886 }
1887 if (node && !node->HasChildren())
1888 {
1889 // Yes, if the node does not have any child, it must be a leaf which
1890 // mean that it is a temporarily created by GetTreeNodeByRow
1891 wxDELETE(node);
1892 }
1893
1894 // cannot be bigger than allocated space
1895 wxSize size = cell->GetSize();
1896
1897 // Because of the tree structure indent, here we should minus the width
1898 // of the cell for drawing
1899 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1900 // size.y = wxMin( size.y, cell_rect.height );
1901 size.y = cell_rect.height;
1902
1903 wxRect item_rect(cell_rect.GetTopLeft(), size);
1904 int align = cell->CalculateAlignment();
1905
1906 // horizontal alignment:
1907 item_rect.x = cell_rect.x;
1908 if (align & wxALIGN_CENTER_HORIZONTAL)
1909 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1910 else if (align & wxALIGN_RIGHT)
1911 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1912 // else: wxALIGN_LEFT is the default
1913
1914 // vertical alignment:
1915 item_rect.y = cell_rect.y;
1916 if (align & wxALIGN_CENTER_VERTICAL)
1917 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1918 else if (align & wxALIGN_BOTTOM)
1919 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1920 // else: wxALIGN_TOP is the default
1921
1922 // add padding
1923 item_rect.x += PADDING_RIGHTLEFT;
1924 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1925
1926 // Here we add the tree indent
1927 item_rect.x += indent;
1928
1929 int state = 0;
1930 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1931 state |= wxDATAVIEW_CELL_SELECTED;
1932
1933 // TODO: it would be much more efficient to create a clipping
1934 // region for the entire column being rendered (in the OnPaint
1935 // of wxDataViewMainWindow) instead of a single clip region for
1936 // each cell. However it would mean that each renderer should
1937 // respect the given wxRect's top & bottom coords, eventually
1938 // violating only the left & right coords - however the user can
1939 // make its own renderer and thus we cannot be sure of that.
1940 dc.SetClippingRegion( item_rect );
1941 cell->Render( item_rect, &dc, state );
1942 dc.DestroyClippingRegion();
1943 }
1944
1945 cell_rect.x += cell_rect.width;
1946 }
1947 }
1948
1949 void wxDataViewMainWindow::OnRenameTimer()
1950 {
1951 // We have to call this here because changes may just have
1952 // been made and no screen update taken place.
1953 if ( m_dirty )
1954 {
1955 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1956 // (needs to be tested!)
1957 wxSafeYield();
1958 }
1959
1960 wxDataViewItem item = GetItemByRow( m_currentRow );
1961
1962 wxRect labelRect = GetItemRect(item, m_currentCol);
1963
1964 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1965 }
1966
1967 //-----------------------------------------------------------------------------
1968 // Helper class for do operation on the tree node
1969 //-----------------------------------------------------------------------------
1970 class DoJob
1971 {
1972 public:
1973 DoJob() { }
1974 virtual ~DoJob() { }
1975
1976 // The return value control how the tree-walker tranverse the tree
1977 // 0: Job done, stop tranverse and return
1978 // 1: Ignore the current node's subtree and continue
1979 // 2: Job not done, continue
1980 enum { OK = 0 , IGR = 1, CONT = 2 };
1981 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1982 virtual int operator() ( void * n ) = 0;
1983 };
1984
1985 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1986 {
1987 if( node==NULL )
1988 return false;
1989
1990 switch( func( node ) )
1991 {
1992 case DoJob::OK :
1993 return true;
1994 case DoJob::IGR:
1995 return false;
1996 case DoJob::CONT:
1997 default:
1998 ;
1999 }
2000
2001 wxDataViewTreeNodes nodes = node->GetNodes();
2002 wxDataViewTreeLeaves leaves = node->GetChildren();
2003
2004 int len_nodes = nodes.GetCount();
2005 int len = leaves.GetCount();
2006 int i = 0, nodes_i = 0;
2007
2008 for(; i < len; i ++ )
2009 {
2010 void * n = leaves[i];
2011 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2012 {
2013 wxDataViewTreeNode * nd = nodes[nodes_i];
2014 nodes_i++;
2015
2016 if( Walker( nd , func ) )
2017 return true;
2018
2019 }
2020 else
2021 switch( func( n ) )
2022 {
2023 case DoJob::OK :
2024 return true;
2025 case DoJob::IGR:
2026 continue;
2027 case DoJob::CONT:
2028 default:
2029 ;
2030 }
2031 }
2032 return false;
2033 }
2034
2035 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2036 {
2037 if (IsVirtualList())
2038 {
2039 wxDataViewVirtualListModel *list_model =
2040 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2041 m_count = list_model->GetCount();
2042 UpdateDisplay();
2043 return true;
2044 }
2045
2046 SortPrepare();
2047
2048 wxDataViewTreeNode * node;
2049 node = FindNode(parent);
2050
2051 if( node == NULL )
2052 return false;
2053
2054 node->SetHasChildren( true );
2055
2056 if( g_model->IsContainer( item ) )
2057 {
2058 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2059 newnode->SetItem(item);
2060 newnode->SetHasChildren( true );
2061 node->AddNode( newnode);
2062 }
2063 else
2064 node->AddLeaf( item.GetID() );
2065
2066 node->ChangeSubTreeCount(1);
2067
2068 m_count = -1;
2069 UpdateDisplay();
2070
2071 return true;
2072 }
2073
2074 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2075
2076 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2077 const wxDataViewItem& item)
2078 {
2079 if (IsVirtualList())
2080 {
2081 wxDataViewVirtualListModel *list_model =
2082 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2083 m_count = list_model->GetCount();
2084
2085 if( m_currentRow > GetRowCount() )
2086 m_currentRow = m_count - 1;
2087
2088 // TODO: why empty the entire selection?
2089 m_selection.Empty();
2090
2091 UpdateDisplay();
2092
2093 return true;
2094 }
2095
2096 wxDataViewTreeNode * node = FindNode(parent);
2097
2098 wxCHECK_MSG( node != NULL, false, "item not found" );
2099 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2100 false, "item not found" );
2101
2102 int sub = -1;
2103 node->GetChildren().Remove( item.GetID() );
2104 // Manipolate selection
2105 if( m_selection.GetCount() > 1 )
2106 {
2107 m_selection.Empty();
2108 }
2109 bool isContainer = false;
2110 wxDataViewTreeNodes nds = node->GetNodes();
2111 for (size_t i = 0; i < nds.GetCount(); i ++)
2112 {
2113 if (nds[i]->GetItem() == item)
2114 {
2115 isContainer = true;
2116 break;
2117 }
2118 }
2119 if( isContainer )
2120 {
2121 wxDataViewTreeNode * n = NULL;
2122 wxDataViewTreeNodes nodes = node->GetNodes();
2123 int len = nodes.GetCount();
2124 for( int i = 0; i < len; i ++)
2125 {
2126 if( nodes[i]->GetItem() == item )
2127 {
2128 n = nodes[i];
2129 break;
2130 }
2131 }
2132
2133 wxCHECK_MSG( n != NULL, false, "item not found" );
2134
2135 node->GetNodes().Remove( n );
2136 sub -= n->GetSubTreeCount();
2137 ::DestroyTreeHelper(n);
2138 }
2139 // Make the row number invalid and get a new valid one when user call GetRowCount
2140 m_count = -1;
2141 node->ChangeSubTreeCount(sub);
2142
2143 // Change the current row to the last row if the current exceed the max row number
2144 if( m_currentRow > GetRowCount() )
2145 m_currentRow = m_count - 1;
2146
2147 UpdateDisplay();
2148
2149 return true;
2150 }
2151
2152 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2153 {
2154 SortPrepare();
2155 g_model->Resort();
2156
2157 // Send event
2158 wxWindow *parent = GetParent();
2159 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2160 le.SetEventObject(parent);
2161 le.SetModel(GetOwner()->GetModel());
2162 le.SetItem(item);
2163 parent->GetEventHandler()->ProcessEvent(le);
2164
2165 return true;
2166 }
2167
2168 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2169 {
2170 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2171 /*#define MAX_VIRTUAL_WIDTH 100000
2172
2173 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2174 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2175 Refresh( true, &rect );
2176
2177 return true;
2178 */
2179 SortPrepare();
2180 g_model->Resort();
2181
2182 // Send event
2183 wxWindow *parent = GetParent();
2184 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2185 le.SetEventObject(parent);
2186 le.SetModel(GetOwner()->GetModel());
2187 le.SetItem(item);
2188 le.SetColumn(col);
2189 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2190 parent->GetEventHandler()->ProcessEvent(le);
2191
2192 return true;
2193 }
2194
2195 bool wxDataViewMainWindow::Cleared()
2196 {
2197 DestroyTree();
2198
2199 SortPrepare();
2200 BuildTree( GetOwner()->GetModel() );
2201
2202 UpdateDisplay();
2203
2204 return true;
2205 }
2206
2207 void wxDataViewMainWindow::UpdateDisplay()
2208 {
2209 m_dirty = true;
2210 }
2211
2212 void wxDataViewMainWindow::OnInternalIdle()
2213 {
2214 wxWindow::OnInternalIdle();
2215
2216 if (m_dirty)
2217 {
2218 RecalculateDisplay();
2219 m_dirty = false;
2220 }
2221 }
2222
2223 void wxDataViewMainWindow::RecalculateDisplay()
2224 {
2225 wxDataViewModel *model = GetOwner()->GetModel();
2226 if (!model)
2227 {
2228 Refresh();
2229 return;
2230 }
2231
2232 int width = GetEndOfLastCol();
2233 int height = GetLineStart( GetRowCount() );
2234
2235 SetVirtualSize( width, height );
2236 GetOwner()->SetScrollRate( 10, m_lineHeight );
2237
2238 Refresh();
2239 }
2240
2241 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2242 {
2243 wxWindow::ScrollWindow( dx, dy, rect );
2244
2245 if (GetOwner()->m_headerArea)
2246 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2247 }
2248
2249 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2250 {
2251 int x, y;
2252 m_owner->GetScrollPixelsPerUnit( &x, &y );
2253 int sy = GetLineStart( rows )/y;
2254 int sx = 0;
2255 if( column != -1 )
2256 {
2257 wxRect rect = GetClientRect();
2258 int colnum = 0;
2259 int x_start, w = 0;
2260 int xx, yy, xe;
2261 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2262 for (x_start = 0; colnum < column; colnum++)
2263 {
2264 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2265 if (col->IsHidden())
2266 continue; // skip it!
2267
2268 w = col->GetWidth();
2269 x_start += w;
2270 }
2271
2272 int x_end = x_start + w;
2273 xe = xx + rect.width;
2274 if( x_end > xe )
2275 {
2276 sx = ( xx + x_end - xe )/x;
2277 }
2278 if( x_start < xx )
2279 {
2280 sx = x_start/x;
2281 }
2282 }
2283 m_owner->Scroll( sx, sy );
2284 }
2285
2286 int wxDataViewMainWindow::GetCountPerPage() const
2287 {
2288 wxSize size = GetClientSize();
2289 return size.y / m_lineHeight;
2290 }
2291
2292 int wxDataViewMainWindow::GetEndOfLastCol() const
2293 {
2294 int width = 0;
2295 unsigned int i;
2296 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2297 {
2298 const wxDataViewColumn *c =
2299 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2300
2301 if (!c->IsHidden())
2302 width += c->GetWidth();
2303 }
2304 return width;
2305 }
2306
2307 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2308 {
2309 int x = 0;
2310 int y = 0;
2311 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2312
2313 return GetLineAt( y );
2314 }
2315
2316 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2317 {
2318 wxSize client_size = GetClientSize();
2319 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2320 &client_size.x, &client_size.y );
2321
2322 // we should deal with the pixel here
2323 unsigned int row = GetLineAt(client_size.y) - 1;
2324
2325 return wxMin( GetRowCount()-1, row );
2326 }
2327
2328 unsigned int wxDataViewMainWindow::GetRowCount()
2329 {
2330 if ( m_count == -1 )
2331 {
2332 m_count = RecalculateCount();
2333 UpdateDisplay();
2334 }
2335 return m_count;
2336 }
2337
2338 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2339 {
2340 m_currentRow = row;
2341
2342 // send event
2343 }
2344
2345 void wxDataViewMainWindow::SelectAllRows( bool on )
2346 {
2347 if (IsEmpty())
2348 return;
2349
2350 if (on)
2351 {
2352 m_selection.Clear();
2353 for (unsigned int i = 0; i < GetRowCount(); i++)
2354 m_selection.Add( i );
2355 Refresh();
2356 }
2357 else
2358 {
2359 unsigned int first_visible = GetFirstVisibleRow();
2360 unsigned int last_visible = GetLastVisibleRow();
2361 unsigned int i;
2362 for (i = 0; i < m_selection.GetCount(); i++)
2363 {
2364 unsigned int row = m_selection[i];
2365 if ((row >= first_visible) && (row <= last_visible))
2366 RefreshRow( row );
2367 }
2368 m_selection.Clear();
2369 }
2370 }
2371
2372 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2373 {
2374 if (m_selection.Index( row ) == wxNOT_FOUND)
2375 {
2376 if (on)
2377 {
2378 m_selection.Add( row );
2379 RefreshRow( row );
2380 }
2381 }
2382 else
2383 {
2384 if (!on)
2385 {
2386 m_selection.Remove( row );
2387 RefreshRow( row );
2388 }
2389 }
2390 }
2391
2392 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2393 {
2394 if (from > to)
2395 {
2396 unsigned int tmp = from;
2397 from = to;
2398 to = tmp;
2399 }
2400
2401 unsigned int i;
2402 for (i = from; i <= to; i++)
2403 {
2404 if (m_selection.Index( i ) == wxNOT_FOUND)
2405 {
2406 if (on)
2407 m_selection.Add( i );
2408 }
2409 else
2410 {
2411 if (!on)
2412 m_selection.Remove( i );
2413 }
2414 }
2415 RefreshRows( from, to );
2416 }
2417
2418 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2419 {
2420 for (size_t i=0; i < aSelections.GetCount(); i++)
2421 {
2422 int n = aSelections[i];
2423
2424 m_selection.Add( n );
2425 RefreshRow( n );
2426 }
2427 }
2428
2429 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2430 {
2431 if (m_selection.Index( row ) == wxNOT_FOUND)
2432 m_selection.Add( row );
2433 else
2434 m_selection.Remove( row );
2435 RefreshRow( row );
2436 }
2437
2438 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2439 {
2440 return (m_selection.Index( row ) != wxNOT_FOUND);
2441 }
2442
2443 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2444 {
2445 wxWindow *parent = GetParent();
2446 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2447
2448 le.SetEventObject(parent);
2449 le.SetModel(GetOwner()->GetModel());
2450 le.SetItem( item );
2451
2452 parent->GetEventHandler()->ProcessEvent(le);
2453 }
2454
2455 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2456 {
2457 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2458 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2459
2460 wxSize client_size = GetClientSize();
2461 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2462 wxRect intersect_rect = client_rect.Intersect( rect );
2463 if (intersect_rect.width > 0)
2464 Refresh( true, &intersect_rect );
2465 }
2466
2467 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2468 {
2469 if (from > to)
2470 {
2471 unsigned int tmp = to;
2472 to = from;
2473 from = tmp;
2474 }
2475
2476 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2477 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2478
2479 wxSize client_size = GetClientSize();
2480 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2481 wxRect intersect_rect = client_rect.Intersect( rect );
2482 if (intersect_rect.width > 0)
2483 Refresh( true, &intersect_rect );
2484 }
2485
2486 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2487 {
2488 wxSize client_size = GetClientSize();
2489 int start = GetLineStart( firstRow );
2490 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2491 if (start > client_size.y) return;
2492
2493 wxRect rect( 0, start, client_size.x, client_size.y - start );
2494
2495 Refresh( true, &rect );
2496 }
2497
2498 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2499 {
2500 wxCHECK_RET( newCurrent < GetRowCount(),
2501 _T("invalid item index in OnArrowChar()") );
2502
2503 // if there is no selection, we cannot move it anywhere
2504 if (!HasCurrentRow())
2505 return;
2506
2507 unsigned int oldCurrent = m_currentRow;
2508
2509 // in single selection we just ignore Shift as we can't select several
2510 // items anyhow
2511 if ( event.ShiftDown() && !IsSingleSel() )
2512 {
2513 RefreshRow( oldCurrent );
2514
2515 ChangeCurrentRow( newCurrent );
2516
2517 // select all the items between the old and the new one
2518 if ( oldCurrent > newCurrent )
2519 {
2520 newCurrent = oldCurrent;
2521 oldCurrent = m_currentRow;
2522 }
2523
2524 SelectRows( oldCurrent, newCurrent, true );
2525 if (oldCurrent!=newCurrent)
2526 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2527 }
2528 else // !shift
2529 {
2530 RefreshRow( oldCurrent );
2531
2532 // all previously selected items are unselected unless ctrl is held
2533 if ( !event.ControlDown() )
2534 SelectAllRows(false);
2535
2536 ChangeCurrentRow( newCurrent );
2537
2538 if ( !event.ControlDown() )
2539 {
2540 SelectRow( m_currentRow, true );
2541 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2542 }
2543 else
2544 RefreshRow( m_currentRow );
2545 }
2546
2547 GetOwner()->EnsureVisible( m_currentRow, -1 );
2548 }
2549
2550 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2551 {
2552 wxRect rect;
2553 rect.x = 0;
2554 rect.y = GetLineStart( row );
2555 rect.width = GetEndOfLastCol();
2556 rect.height = GetLineHeight( row );
2557
2558 return rect;
2559 }
2560
2561 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2562 {
2563 const wxDataViewModel *model = GetOwner()->GetModel();
2564
2565 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2566 {
2567 // TODO make more efficient
2568
2569 int start = 0;
2570
2571 unsigned int r;
2572 for (r = 0; r < row; r++)
2573 {
2574 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2575 if (!node) return start;
2576
2577 wxDataViewItem item = node->GetItem();
2578
2579 if (node && !node->HasChildren())
2580 {
2581 // Yes, if the node does not have any child, it must be a leaf which
2582 // mean that it is a temporarily created by GetTreeNodeByRow
2583 wxDELETE(node);
2584 }
2585
2586 unsigned int cols = GetOwner()->GetColumnCount();
2587 unsigned int col;
2588 int height = m_lineHeight;
2589 for (col = 0; col < cols; col++)
2590 {
2591 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2592 if (column->IsHidden())
2593 continue; // skip it!
2594
2595 if ((col != 0) &&
2596 model->IsContainer(item) &&
2597 !model->HasContainerColumns(item))
2598 continue; // skip it!
2599
2600 wxVariant value;
2601 model->GetValue( value, item, column->GetModelColumn() );
2602
2603 wxDataViewRenderer *renderer =
2604 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2605 renderer->SetValue( value );
2606 height = wxMax( height, renderer->GetSize().y );
2607 }
2608
2609 start += height;
2610 }
2611
2612 return start;
2613 }
2614 else
2615 {
2616 return row * m_lineHeight;
2617 }
2618 }
2619
2620 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2621 {
2622 const wxDataViewModel *model = GetOwner()->GetModel();
2623
2624 // check for the easy case first
2625 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2626 return y / m_lineHeight;
2627
2628 // TODO make more efficient
2629 unsigned int row = 0;
2630 unsigned int yy = 0;
2631 for (;;)
2632 {
2633 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2634 if (!node)
2635 {
2636 // not really correct...
2637 return row + ((y-yy) / m_lineHeight);
2638 }
2639
2640 wxDataViewItem item = node->GetItem();
2641
2642 if (node && !node->HasChildren())
2643 {
2644 // Yes, if the node does not have any child, it must be a leaf which
2645 // mean that it is a temporarily created by GetTreeNodeByRow
2646 wxDELETE(node);
2647 }
2648
2649 unsigned int cols = GetOwner()->GetColumnCount();
2650 unsigned int col;
2651 int height = m_lineHeight;
2652 for (col = 0; col < cols; col++)
2653 {
2654 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2655 if (column->IsHidden())
2656 continue; // skip it!
2657
2658 if ((col != 0) &&
2659 model->IsContainer(item) &&
2660 !model->HasContainerColumns(item))
2661 continue; // skip it!
2662
2663 wxVariant value;
2664 model->GetValue( value, item, column->GetModelColumn() );
2665
2666 wxDataViewRenderer *renderer =
2667 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2668 renderer->SetValue( value );
2669 height = wxMax( height, renderer->GetSize().y );
2670 }
2671
2672 yy += height;
2673 if (y < yy)
2674 return row;
2675
2676 row++;
2677 }
2678 }
2679
2680 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2681 {
2682 const wxDataViewModel *model = GetOwner()->GetModel();
2683
2684 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2685 {
2686 wxASSERT( !IsVirtualList() );
2687
2688 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2689 // wxASSERT( node );
2690 if (!node) return m_lineHeight;
2691
2692 wxDataViewItem item = node->GetItem();
2693
2694 if (node && !node->HasChildren())
2695 {
2696 // Yes, if the node does not have any child, it must be a leaf which
2697 // mean that it is a temporarily created by GetTreeNodeByRow
2698 wxDELETE(node);
2699 }
2700
2701 int height = m_lineHeight;
2702
2703 unsigned int cols = GetOwner()->GetColumnCount();
2704 unsigned int col;
2705 for (col = 0; col < cols; col++)
2706 {
2707 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2708 if (column->IsHidden())
2709 continue; // skip it!
2710
2711 if ((col != 0) &&
2712 model->IsContainer(item) &&
2713 !model->HasContainerColumns(item))
2714 continue; // skip it!
2715
2716 wxVariant value;
2717 model->GetValue( value, item, column->GetModelColumn() );
2718
2719 wxDataViewRenderer *renderer =
2720 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2721 renderer->SetValue( value );
2722 height = wxMax( height, renderer->GetSize().y );
2723 }
2724
2725 return height;
2726 }
2727 else
2728 {
2729 return m_lineHeight;
2730 }
2731 }
2732
2733 class RowToItemJob: public DoJob
2734 {
2735 public:
2736 RowToItemJob( unsigned int row , int current )
2737 { this->row = row; this->current = current; }
2738 virtual ~RowToItemJob() {}
2739
2740 virtual int operator() ( wxDataViewTreeNode * node )
2741 {
2742 current ++;
2743 if( current == static_cast<int>(row))
2744 {
2745 ret = node->GetItem();
2746 return DoJob::OK;
2747 }
2748
2749 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2750 {
2751 current += node->GetSubTreeCount();
2752 return DoJob::IGR;
2753 }
2754 else
2755 {
2756 // If the current has no child node, we can find the desired item of the row
2757 // number directly.
2758 // This if can speed up finding in some case, and will has a very good effect
2759 // when it comes to list view
2760 if( node->GetNodes().GetCount() == 0)
2761 {
2762 int index = static_cast<int>(row) - current - 1;
2763 ret = node->GetChildren().Item( index );
2764 return DoJob::OK;
2765 }
2766 return DoJob::CONT;
2767 }
2768 }
2769
2770 virtual int operator() ( void * n )
2771 {
2772 current ++;
2773 if( current == static_cast<int>(row))
2774 {
2775 ret = wxDataViewItem( n );
2776 return DoJob::OK;
2777 }
2778 return DoJob::CONT;
2779 }
2780
2781 wxDataViewItem GetResult() const
2782 { return ret; }
2783
2784 private:
2785 unsigned int row;
2786 int current;
2787 wxDataViewItem ret;
2788 };
2789
2790 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2791 {
2792 if (IsVirtualList())
2793 {
2794 return wxDataViewItem( wxUIntToPtr(row+1) );
2795 }
2796 else
2797 {
2798 RowToItemJob job( row, -2 );
2799 Walker( m_root , job );
2800 return job.GetResult();
2801 }
2802 }
2803
2804 class RowToTreeNodeJob: public DoJob
2805 {
2806 public:
2807 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2808 {
2809 this->row = row;
2810 this->current = current;
2811 ret = NULL;
2812 parent = node;
2813 }
2814 virtual ~RowToTreeNodeJob(){ }
2815
2816 virtual int operator() ( wxDataViewTreeNode * node )
2817 {
2818 current ++;
2819 if( current == static_cast<int>(row))
2820 {
2821 ret = node;
2822 return DoJob::OK;
2823 }
2824
2825 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2826 {
2827 current += node->GetSubTreeCount();
2828 return DoJob::IGR;
2829 }
2830 else
2831 {
2832 parent = node;
2833
2834 // If the current node has no children, we can find the desired item of the
2835 // row number directly.
2836 // This if can speed up finding in some case, and will have a very good
2837 // effect for list views.
2838 if( node->GetNodes().GetCount() == 0)
2839 {
2840 int index = static_cast<int>(row) - current - 1;
2841 void * n = node->GetChildren().Item( index );
2842 ret = new wxDataViewTreeNode( parent );
2843 ret->SetItem( wxDataViewItem( n ));
2844 ret->SetHasChildren(false);
2845 return DoJob::OK;
2846 }
2847 return DoJob::CONT;
2848 }
2849 }
2850
2851 virtual int operator() ( void * n )
2852 {
2853 current ++;
2854 if( current == static_cast<int>(row))
2855 {
2856 ret = new wxDataViewTreeNode( parent );
2857 ret->SetItem( wxDataViewItem( n ));
2858 ret->SetHasChildren(false);
2859 return DoJob::OK;
2860 }
2861
2862 return DoJob::CONT;
2863 }
2864
2865 wxDataViewTreeNode * GetResult() const
2866 { return ret; }
2867
2868 private:
2869 unsigned int row;
2870 int current;
2871 wxDataViewTreeNode * ret;
2872 wxDataViewTreeNode * parent;
2873 };
2874
2875 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2876 {
2877 wxASSERT( !IsVirtualList() );
2878
2879 RowToTreeNodeJob job( row , -2, m_root );
2880 Walker( m_root , job );
2881 return job.GetResult();
2882 }
2883
2884 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2885 const wxDataViewItem & item )
2886 {
2887 wxWindow *parent = GetParent();
2888 wxDataViewEvent le(type, parent->GetId());
2889
2890 le.SetEventObject(parent);
2891 le.SetModel(GetOwner()->GetModel());
2892 le.SetItem( item );
2893
2894 parent->GetEventHandler()->ProcessEvent(le);
2895 return le;
2896 }
2897
2898 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2899 {
2900 if (IsVirtualList())
2901 return false;
2902
2903 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2904 if (!node)
2905 return false;
2906
2907 if (!node->HasChildren())
2908 {
2909 delete node;
2910 return false;
2911 }
2912
2913 return node->IsOpen();
2914 }
2915
2916 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2917 {
2918 if (IsVirtualList())
2919 return false;
2920
2921 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2922 if (!node)
2923 return false;
2924
2925 if (!node->HasChildren())
2926 {
2927 delete node;
2928 return false;
2929 }
2930
2931 return true;
2932 }
2933
2934 void wxDataViewMainWindow::Expand( unsigned int row )
2935 {
2936 if (IsVirtualList())
2937 return;
2938
2939 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2940 if (!node)
2941 return;
2942
2943 if (!node->HasChildren())
2944 {
2945 delete node;
2946 return;
2947 }
2948
2949 if (!node->IsOpen())
2950 {
2951 wxDataViewEvent e =
2952 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2953
2954 // Check if the user prevent expanding
2955 if( e.GetSkipped() )
2956 return;
2957
2958 node->ToggleOpen();
2959
2960 // build the children of current node
2961 if( node->GetChildrenNumber() == 0 )
2962 {
2963 SortPrepare();
2964 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2965 }
2966
2967 // By expanding the node all row indices that are currently in the selection list
2968 // and are greater than our node have become invalid. So we have to correct that now.
2969 const unsigned rowAdjustment = node->GetSubTreeCount();
2970 for(unsigned i=0; i<m_selection.size(); ++i)
2971 {
2972 const unsigned testRow = m_selection[i];
2973 // all rows above us are not affected, so skip them
2974 if(testRow <= row)
2975 continue;
2976
2977 m_selection[i] += rowAdjustment;
2978 }
2979
2980 if(m_currentRow > row)
2981 ChangeCurrentRow(m_currentRow + rowAdjustment);
2982
2983 m_count = -1;
2984 UpdateDisplay();
2985 // Send the expanded event
2986 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2987 }
2988 }
2989
2990 void wxDataViewMainWindow::Collapse(unsigned int row)
2991 {
2992 if (IsVirtualList())
2993 return;
2994
2995 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2996 if (!node)
2997 return;
2998
2999 if (!node->HasChildren())
3000 {
3001 delete node;
3002 return;
3003 }
3004
3005 if (node->IsOpen())
3006 {
3007 wxDataViewEvent e =
3008 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3009 if( e.GetSkipped() )
3010 return;
3011
3012 // Find out if there are selected items below the current node.
3013 bool selectCollapsingRow = false;
3014 const unsigned rowAdjustment = node->GetSubTreeCount();
3015 unsigned maxRowToBeTested = row + rowAdjustment;
3016 for(unsigned i=0; i<m_selection.size(); ++i)
3017 {
3018 const unsigned testRow = m_selection[i];
3019 if(testRow > row && testRow <= maxRowToBeTested)
3020 {
3021 selectCollapsingRow = true;
3022 // get out as soon as we have found a node that is selected
3023 break;
3024 }
3025 }
3026
3027 node->ToggleOpen();
3028
3029 // If the node to be closed has selected items the user won't see those any longer.
3030 // We select the collapsing node in this case.
3031 if(selectCollapsingRow)
3032 {
3033 SelectAllRows(false);
3034 ChangeCurrentRow(row);
3035 SelectRow(row, true);
3036 SendSelectionChangedEvent(GetItemByRow(row));
3037 }
3038 else
3039 {
3040 // if there were no selected items below our node we still need to "fix" the
3041 // selection list to adjust for the changing of the row indices.
3042 // We actually do the opposite of what we are doing in Expand().
3043 for(unsigned i=0; i<m_selection.size(); ++i)
3044 {
3045 const unsigned testRow = m_selection[i];
3046 // all rows above us are not affected, so skip them
3047 if(testRow <= row)
3048 continue;
3049
3050 m_selection[i] -= rowAdjustment;
3051 }
3052
3053 // if the "current row" is being collapsed away we change it to the current row ;-)
3054 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3055 ChangeCurrentRow(row);
3056 else if(m_currentRow > row)
3057 ChangeCurrentRow(m_currentRow - rowAdjustment);
3058 }
3059
3060 m_count = -1;
3061 UpdateDisplay();
3062 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3063 }
3064 }
3065
3066 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3067 {
3068 wxDataViewModel * model = GetOwner()->GetModel();
3069 if( model == NULL )
3070 return NULL;
3071
3072 if (!item.IsOk())
3073 return m_root;
3074
3075 // Compose the a parent-chain of the finding item
3076 ItemList list;
3077 list.DeleteContents( true );
3078 wxDataViewItem it( item );
3079 while( it.IsOk() )
3080 {
3081 wxDataViewItem * pItem = new wxDataViewItem( it );
3082 list.Insert( pItem );
3083 it = model->GetParent( it );
3084 }
3085
3086 // Find the item along the parent-chain.
3087 // This algorithm is designed to speed up the node-finding method
3088 wxDataViewTreeNode * node = m_root;
3089 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3090 {
3091 if( node->HasChildren() )
3092 {
3093 if( node->GetChildrenNumber() == 0 )
3094 {
3095 SortPrepare();
3096 ::BuildTreeHelper(model, node->GetItem(), node);
3097 }
3098
3099 wxDataViewTreeNodes nodes = node->GetNodes();
3100 unsigned int i;
3101 bool found = false;
3102
3103 for (i = 0; i < nodes.GetCount(); i ++)
3104 {
3105 if (nodes[i]->GetItem() == (**iter))
3106 {
3107 if (nodes[i]->GetItem() == item)
3108 return nodes[i];
3109
3110 node = nodes[i];
3111 found = true;
3112 break;
3113 }
3114 }
3115 if (!found)
3116 return NULL;
3117 }
3118 else
3119 return NULL;
3120 }
3121 return NULL;
3122 }
3123
3124 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3125 wxDataViewColumn* &column )
3126 {
3127 wxDataViewColumn *col = NULL;
3128 unsigned int cols = GetOwner()->GetColumnCount();
3129 unsigned int colnum = 0;
3130 int x, y;
3131 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3132 for (unsigned x_start = 0; colnum < cols; colnum++)
3133 {
3134 col = GetOwner()->GetColumnAt(colnum);
3135 if (col->IsHidden())
3136 continue; // skip it!
3137
3138 unsigned int w = col->GetWidth();
3139 if (x_start+w >= (unsigned int)x)
3140 break;
3141
3142 x_start += w;
3143 }
3144
3145 column = col;
3146 item = GetItemByRow( GetLineAt( y ) );
3147 }
3148
3149 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3150 const wxDataViewColumn* column )
3151 {
3152 int xpos = 0;
3153 int width = 0;
3154
3155 unsigned int cols = GetOwner()->GetColumnCount();
3156 // If column is null the loop will compute the combined width of all columns.
3157 // Otherwise, it will compute the x position of the column we are looking for.
3158 for (unsigned int i = 0; i < cols; i++)
3159 {
3160 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3161
3162 if (col == column)
3163 break;
3164
3165 if (col->IsHidden())
3166 continue; // skip it!
3167
3168 xpos += col->GetWidth();
3169 width += col->GetWidth();
3170 }
3171
3172 if(column != 0)
3173 {
3174 // If we have a column, we need can get its width directly.
3175 if(column->IsHidden())
3176 width = 0;
3177 else
3178 width = column->GetWidth();
3179
3180 }
3181 else
3182 {
3183 // If we have no column, we reset the x position back to zero.
3184 xpos = 0;
3185 }
3186
3187 // we have to take an expander column into account and compute its indentation
3188 // to get the correct x position where the actual text is
3189 int indent = 0;
3190 int row = GetRowByItem(item);
3191 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3192 {
3193 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3194 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3195 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3196
3197 if(!node->HasChildren())
3198 delete node;
3199 }
3200
3201 wxRect itemRect( xpos + indent,
3202 GetLineStart( row ),
3203 width - indent,
3204 GetLineHeight( row ) );
3205
3206 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3207 &itemRect.x, &itemRect.y );
3208
3209 return itemRect;
3210 }
3211
3212 int wxDataViewMainWindow::RecalculateCount()
3213 {
3214 if (IsVirtualList())
3215 {
3216 wxDataViewVirtualListModel *list_model =
3217 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3218
3219 return list_model->GetCount();
3220 }
3221 else
3222 {
3223 return m_root->GetSubTreeCount();
3224 }
3225 }
3226
3227 class ItemToRowJob : public DoJob
3228 {
3229 public:
3230 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3231 : m_iter(iter),
3232 item(item_)
3233 {
3234 ret = -1;
3235 }
3236
3237 // Maybe binary search will help to speed up this process
3238 virtual int operator() ( wxDataViewTreeNode * node)
3239 {
3240 ret ++;
3241 if( node->GetItem() == item )
3242 {
3243 return DoJob::OK;
3244 }
3245
3246 if( node->GetItem() == **m_iter )
3247 {
3248 m_iter++;
3249 return DoJob::CONT;
3250 }
3251 else
3252 {
3253 ret += node->GetSubTreeCount();
3254 return DoJob::IGR;
3255 }
3256
3257 }
3258
3259 virtual int operator() ( void * n )
3260 {
3261 ret ++;
3262 if( n == item.GetID() )
3263 return DoJob::OK;
3264 return DoJob::CONT;
3265 }
3266
3267 // the row number is begin from zero
3268 int GetResult() const
3269 { return ret -1; }
3270
3271 private:
3272 ItemList::const_iterator m_iter;
3273 wxDataViewItem item;
3274 int ret;
3275
3276 };
3277
3278 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3279 {
3280 const wxDataViewModel * model = GetOwner()->GetModel();
3281 if( model == NULL )
3282 return -1;
3283
3284 if (IsVirtualList())
3285 {
3286 return wxPtrToUInt( item.GetID() ) -1;
3287 }
3288 else
3289 {
3290 if( !item.IsOk() )
3291 return -1;
3292
3293 // Compose the a parent-chain of the finding item
3294 ItemList list;
3295 wxDataViewItem * pItem;
3296 list.DeleteContents( true );
3297 wxDataViewItem it( item );
3298 while( it.IsOk() )
3299 {
3300 pItem = new wxDataViewItem( it );
3301 list.Insert( pItem );
3302 it = model->GetParent( it );
3303 }
3304 pItem = new wxDataViewItem( );
3305 list.Insert( pItem );
3306
3307 ItemToRowJob job( item, list.begin() );
3308 Walker(m_root , job );
3309 return job.GetResult();
3310 }
3311 }
3312
3313 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3314 wxDataViewTreeNode * node)
3315 {
3316 if( !model->IsContainer( item ) )
3317 return;
3318
3319 wxDataViewItemArray children;
3320 unsigned int num = model->GetChildren( item, children);
3321
3322 unsigned int index = 0;
3323 while( index < num )
3324 {
3325 if( model->IsContainer( children[index] ) )
3326 {
3327 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3328 n->SetItem(children[index]);
3329 n->SetHasChildren( true );
3330 node->AddNode( n );
3331 }
3332 else
3333 {
3334 node->AddLeaf( children[index].GetID() );
3335 }
3336 index ++;
3337 }
3338 node->SetSubTreeCount( num );
3339 wxDataViewTreeNode * n = node->GetParent();
3340 if( n != NULL)
3341 n->ChangeSubTreeCount(num);
3342
3343 }
3344
3345 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3346 {
3347 DestroyTree();
3348
3349 if (GetOwner()->GetModel()->IsVirtualListModel())
3350 {
3351 m_count = -1;
3352 return;
3353 }
3354
3355 m_root = new wxDataViewTreeNode( NULL );
3356 m_root->SetHasChildren(true);
3357
3358 // First we define a invalid item to fetch the top-level elements
3359 wxDataViewItem item;
3360 SortPrepare();
3361 BuildTreeHelper( model, item, m_root);
3362 m_count = -1;
3363 }
3364
3365 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3366 {
3367 if( node->GetNodeNumber() != 0 )
3368 {
3369 int len = node->GetNodeNumber();
3370 wxDataViewTreeNodes& nodes = node->GetNodes();
3371 for (int i = 0; i < len; i++)
3372 DestroyTreeHelper(nodes[i]);
3373 }
3374 delete node;
3375 }
3376
3377 void wxDataViewMainWindow::DestroyTree()
3378 {
3379 if (!IsVirtualList())
3380 {
3381 ::DestroyTreeHelper(m_root);
3382 m_count = 0;
3383 m_root = NULL;
3384 }
3385 }
3386
3387 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3388 {
3389 if ( GetParent()->HandleAsNavigationKey(event) )
3390 return;
3391
3392 // no item -> nothing to do
3393 if (!HasCurrentRow())
3394 {
3395 event.Skip();
3396 return;
3397 }
3398
3399 // don't use m_linesPerPage directly as it might not be computed yet
3400 const int pageSize = GetCountPerPage();
3401 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3402
3403 switch ( event.GetKeyCode() )
3404 {
3405 case WXK_RETURN:
3406 {
3407 wxWindow *parent = GetParent();
3408 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3409 parent->GetId());
3410 le.SetItem( GetItemByRow(m_currentRow) );
3411 le.SetEventObject(parent);
3412 le.SetModel(GetOwner()->GetModel());
3413
3414 parent->GetEventHandler()->ProcessEvent(le);
3415 }
3416 break;
3417
3418 case WXK_UP:
3419 if ( m_currentRow > 0 )
3420 OnArrowChar( m_currentRow - 1, event );
3421 break;
3422
3423 case WXK_DOWN:
3424 if ( m_currentRow < GetRowCount() - 1 )
3425 OnArrowChar( m_currentRow + 1, event );
3426 break;
3427 // Add the process for tree expanding/collapsing
3428 case WXK_LEFT:
3429 {
3430 if (IsVirtualList())
3431 break;
3432
3433 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3434 if (!node)
3435 break;
3436
3437 if (node->HasChildren() && node->IsOpen())
3438 {
3439 Collapse(m_currentRow);
3440 }
3441 else // if the node is already closed we move the selection to its parent
3442 {
3443 wxDataViewTreeNode *parent_node = node->GetParent();
3444
3445 if(!node->HasChildren())
3446 delete node;
3447
3448 if (parent_node)
3449 {
3450 int parent = GetRowByItem( parent_node->GetItem() );
3451 if ( parent >= 0 )
3452 {
3453 unsigned int row = m_currentRow;
3454 SelectRow( row, false);
3455 SelectRow( parent, true );
3456 ChangeCurrentRow( parent );
3457 GetOwner()->EnsureVisible( parent, -1 );
3458 SendSelectionChangedEvent( parent_node->GetItem() );
3459 }
3460 }
3461 }
3462 break;
3463 }
3464 case WXK_RIGHT:
3465 {
3466 if (!IsExpanded( m_currentRow ))
3467 Expand( m_currentRow );
3468 else
3469 {
3470 unsigned int row = m_currentRow;
3471 SelectRow( row, false );
3472 SelectRow( row + 1, true );
3473 ChangeCurrentRow( row + 1 );
3474 GetOwner()->EnsureVisible( row + 1, -1 );
3475 SendSelectionChangedEvent( GetItemByRow(row+1) );
3476 }
3477 break;
3478 }
3479 case WXK_END:
3480 {
3481 if (!IsEmpty())
3482 OnArrowChar( GetRowCount() - 1, event );
3483 break;
3484 }
3485 case WXK_HOME:
3486 if (!IsEmpty())
3487 OnArrowChar( 0, event );
3488 break;
3489
3490 case WXK_PAGEUP:
3491 {
3492 int steps = pageSize - 1;
3493 int index = m_currentRow - steps;
3494 if (index < 0)
3495 index = 0;
3496
3497 OnArrowChar( index, event );
3498 }
3499 break;
3500
3501 case WXK_PAGEDOWN:
3502 {
3503 int steps = pageSize - 1;
3504 unsigned int index = m_currentRow + steps;
3505 unsigned int count = GetRowCount();
3506 if ( index >= count )
3507 index = count - 1;
3508
3509 OnArrowChar( index, event );
3510 }
3511 break;
3512
3513 case WXK_F2:
3514 {
3515 if(m_selection.size() == 1)
3516 {
3517 // TODO: we need to revise that when we have a concept for a 'current column'
3518 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3519 }
3520 }
3521 break;
3522
3523 default:
3524 event.Skip();
3525 }
3526 }
3527
3528 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3529 {
3530 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3531 {
3532 // let the base handle mouse wheel events.
3533 event.Skip();
3534 return;
3535 }
3536
3537 int x = event.GetX();
3538 int y = event.GetY();
3539 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3540 wxDataViewColumn *col = NULL;
3541
3542 int xpos = 0;
3543 unsigned int cols = GetOwner()->GetColumnCount();
3544 unsigned int i;
3545 for (i = 0; i < cols; i++)
3546 {
3547 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3548 if (c->IsHidden())
3549 continue; // skip it!
3550
3551 if (x < xpos + c->GetWidth())
3552 {
3553 col = c;
3554 break;
3555 }
3556 xpos += c->GetWidth();
3557 }
3558 if (!col)
3559 return;
3560
3561 wxDataViewRenderer *cell = col->GetRenderer();
3562 unsigned int current = GetLineAt( y );
3563 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3564 {
3565 // Unselect all if below the last row ?
3566 return;
3567 }
3568
3569 // Test whether the mouse is hovered on the tree item button
3570 bool hoverOverExpander = false;
3571 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3572 {
3573 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3574 if( node!=NULL && node->HasChildren() )
3575 {
3576 int indent = node->GetIndentLevel();
3577 indent = GetOwner()->GetIndent()*indent;
3578
3579 // we make the rectangle we are looking in a bit bigger than the actual
3580 // visual expander so the user can hit that little thing reliably
3581 wxRect rect( xpos + indent,
3582 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3583 m_lineHeight, m_lineHeight);
3584 if( rect.Contains(x, y) )
3585 {
3586 // So the mouse is over the expander
3587 hoverOverExpander = true;
3588 if (m_underMouse && m_underMouse != node)
3589 {
3590 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3591 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3592 }
3593 if (m_underMouse != node)
3594 {
3595 // wxLogMessage("Do the row: %d", current);
3596 RefreshRow(current);
3597 }
3598 m_underMouse = node;
3599 }
3600 }
3601 if (node!=NULL && !node->HasChildren())
3602 delete node;
3603 }
3604 if (!hoverOverExpander)
3605 {
3606 if (m_underMouse != NULL)
3607 {
3608 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3609 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3610 m_underMouse = NULL;
3611 }
3612 }
3613
3614 wxDataViewModel *model = GetOwner()->GetModel();
3615
3616 #if wxUSE_DRAG_AND_DROP
3617 if (event.Dragging())
3618 {
3619 if (m_dragCount == 0)
3620 {
3621 // we have to report the raw, physical coords as we want to be
3622 // able to call HitTest(event.m_pointDrag) from the user code to
3623 // get the item being dragged
3624 m_dragStart = event.GetPosition();
3625 }
3626
3627 m_dragCount++;
3628
3629 if (m_dragCount != 3)
3630 return;
3631
3632 if (event.LeftIsDown())
3633 {
3634 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3635 &m_dragStart.x, &m_dragStart.y );
3636 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3637 wxDataViewItem item = GetItemByRow( drag_item_row );
3638
3639 // Notify cell about drag
3640 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3641 event.SetEventObject( m_owner );
3642 event.SetItem( item );
3643 event.SetModel( model );
3644 if (!m_owner->HandleWindowEvent( event ))
3645 return;
3646
3647 if (!event.IsAllowed())
3648 return;
3649
3650 wxDataObject *obj = event.GetDataObject();
3651 if (!obj)
3652 return;
3653
3654 wxDataViewDropSource drag( this, drag_item_row );
3655 drag.SetData( *obj );
3656 /* wxDragResult res = */ drag.DoDragDrop();
3657 delete obj;
3658 }
3659 return;
3660 }
3661 else
3662 {
3663 m_dragCount = 0;
3664 }
3665 #endif // wxUSE_DRAG_AND_DROP
3666
3667 bool simulateClick = false;
3668
3669 if (event.ButtonDClick())
3670 {
3671 m_renameTimer->Stop();
3672 m_lastOnSame = false;
3673 }
3674
3675 wxDataViewItem item = GetItemByRow(current);
3676 bool ignore_other_columns =
3677 ((GetOwner()->GetExpanderColumn() != col) &&
3678 (model->IsContainer(item)) &&
3679 (!model->HasContainerColumns(item)));
3680
3681 if (event.LeftDClick())
3682 {
3683 if(hoverOverExpander)
3684 {
3685 // a double click on the expander will be converted into a "simulated" normal click
3686 simulateClick = true;
3687 }
3688 else if ( current == m_lineLastClicked )
3689 {
3690 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3691 {
3692 wxVariant value;
3693 model->GetValue( value, item, col->GetModelColumn() );
3694 cell->SetValue( value );
3695 wxRect cell_rect( xpos, GetLineStart( current ),
3696 col->GetWidth(), GetLineHeight( current ) );
3697 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3698 }
3699 else
3700 {
3701 wxWindow *parent = GetParent();
3702 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3703 le.SetItem( item );
3704 le.SetEventObject(parent);
3705 le.SetModel(GetOwner()->GetModel());
3706
3707 parent->GetEventHandler()->ProcessEvent(le);
3708 }
3709 return;
3710 }
3711 else
3712 {
3713 // The first click was on another item, so don't interpret this as
3714 // a double click, but as a simple click instead
3715 simulateClick = true;
3716 }
3717 }
3718
3719 if (event.LeftUp() && !hoverOverExpander)
3720 {
3721 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3722 {
3723 // select single line
3724 SelectAllRows( false );
3725 SelectRow( m_lineSelectSingleOnUp, true );
3726 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3727 }
3728
3729 // If the user click the expander, we do not do editing even if the column
3730 // with expander are editable
3731 if (m_lastOnSame && !ignore_other_columns)
3732 {
3733 if ((col == m_currentCol) && (current == m_currentRow) &&
3734 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3735 {
3736 m_renameTimer->Start( 100, true );
3737 }
3738 }
3739
3740 m_lastOnSame = false;
3741 m_lineSelectSingleOnUp = (unsigned int)-1;
3742 }
3743 else if(!event.LeftUp())
3744 {
3745 // This is necessary, because after a DnD operation in
3746 // from and to ourself, the up event is swallowed by the
3747 // DnD code. So on next non-up event (which means here and
3748 // now) m_lineSelectSingleOnUp should be reset.
3749 m_lineSelectSingleOnUp = (unsigned int)-1;
3750 }
3751
3752 if (event.RightDown())
3753 {
3754 m_lineBeforeLastClicked = m_lineLastClicked;
3755 m_lineLastClicked = current;
3756
3757 // If the item is already selected, do not update the selection.
3758 // Multi-selections should not be cleared if a selected item is clicked.
3759 if (!IsRowSelected(current))
3760 {
3761 SelectAllRows(false);
3762 ChangeCurrentRow(current);
3763 SelectRow(m_currentRow,true);
3764 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3765 }
3766 }
3767 else if (event.RightUp())
3768 {
3769 wxVariant value;
3770 model->GetValue( value, item, col->GetModelColumn() );
3771 wxWindow *parent = GetParent();
3772 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3773 le.SetItem( item );
3774 le.SetEventObject(parent);
3775 le.SetModel(GetOwner()->GetModel());
3776 le.SetValue(value);
3777 parent->GetEventHandler()->ProcessEvent(le);
3778 }
3779 else if (event.MiddleDown())
3780 {
3781 }
3782
3783 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3784 {
3785 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3786
3787 // hoverOverExpander being true tells us that our node must be
3788 // valid and have children.
3789 // So we don't need any extra checks.
3790 if( node->IsOpen() )
3791 Collapse(current);
3792 else
3793 Expand(current);
3794 }
3795 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3796 {
3797 SetFocus();
3798
3799 m_lineBeforeLastClicked = m_lineLastClicked;
3800 m_lineLastClicked = current;
3801
3802 unsigned int oldCurrentRow = m_currentRow;
3803 bool oldWasSelected = IsRowSelected(m_currentRow);
3804
3805 bool cmdModifierDown = event.CmdDown();
3806 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3807 {
3808 if ( IsSingleSel() || !IsRowSelected(current) )
3809 {
3810 SelectAllRows( false );
3811 ChangeCurrentRow(current);
3812 SelectRow(m_currentRow,true);
3813 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3814 }
3815 else // multi sel & current is highlighted & no mod keys
3816 {
3817 m_lineSelectSingleOnUp = current;
3818 ChangeCurrentRow(current); // change focus
3819 }
3820 }
3821 else // multi sel & either ctrl or shift is down
3822 {
3823 if (cmdModifierDown)
3824 {
3825 ChangeCurrentRow(current);
3826 ReverseRowSelection(m_currentRow);
3827 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3828 }
3829 else if (event.ShiftDown())
3830 {
3831 ChangeCurrentRow(current);
3832
3833 unsigned int lineFrom = oldCurrentRow,
3834 lineTo = current;
3835
3836 if ( lineTo < lineFrom )
3837 {
3838 lineTo = lineFrom;
3839 lineFrom = m_currentRow;
3840 }
3841
3842 SelectRows(lineFrom, lineTo, true);
3843 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3844 }
3845 else // !ctrl, !shift
3846 {
3847 // test in the enclosing if should make it impossible
3848 wxFAIL_MSG( _T("how did we get here?") );
3849 }
3850 }
3851
3852 if (m_currentRow != oldCurrentRow)
3853 RefreshRow( oldCurrentRow );
3854
3855 wxDataViewColumn *oldCurrentCol = m_currentCol;
3856
3857 // Update selection here...
3858 m_currentCol = col;
3859
3860 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3861 (current == oldCurrentRow)) && oldWasSelected;
3862
3863 // Call LeftClick after everything else as under GTK+
3864 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3865 {
3866 // notify cell about right click
3867 wxVariant value;
3868 model->GetValue( value, item, col->GetModelColumn() );
3869 cell->SetValue( value );
3870 wxRect cell_rect( xpos, GetLineStart( current ),
3871 col->GetWidth(), GetLineHeight( current ) );
3872 /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3873 model, item, col->GetModelColumn());
3874 }
3875 }
3876 }
3877
3878 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3879 {
3880 m_hasFocus = true;
3881
3882 if (HasCurrentRow())
3883 Refresh();
3884
3885 event.Skip();
3886 }
3887
3888 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3889 {
3890 m_hasFocus = false;
3891
3892 if (HasCurrentRow())
3893 Refresh();
3894
3895 event.Skip();
3896 }
3897
3898 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3899 {
3900 if( m_selection.GetCount() != 1 )
3901 return wxDataViewItem();
3902
3903 return GetItemByRow( m_selection.Item(0));
3904 }
3905
3906 //-----------------------------------------------------------------------------
3907 // wxDataViewCtrl
3908 //-----------------------------------------------------------------------------
3909
3910 WX_DEFINE_LIST(wxDataViewColumnList)
3911
3912 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3913 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3914 EVT_SIZE(wxDataViewCtrl::OnSize)
3915 END_EVENT_TABLE()
3916
3917 wxDataViewCtrl::~wxDataViewCtrl()
3918 {
3919 if (m_notifier)
3920 GetModel()->RemoveNotifier( m_notifier );
3921
3922 m_cols.Clear();
3923 }
3924
3925 void wxDataViewCtrl::Init()
3926 {
3927 m_cols.DeleteContents(true);
3928 m_notifier = NULL;
3929
3930 // No sorting column at start
3931 m_sortingColumnIdx = wxNOT_FOUND;
3932
3933 m_headerArea = NULL;
3934 }
3935
3936 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3937 const wxPoint& pos, const wxSize& size,
3938 long style, const wxValidator& validator )
3939 {
3940 // if ( (style & wxBORDER_MASK) == 0)
3941 // style |= wxBORDER_SUNKEN;
3942
3943 Init();
3944
3945 if (!wxControl::Create( parent, id, pos, size,
3946 style | wxScrolledWindowStyle, validator))
3947 return false;
3948
3949 SetInitialSize(size);
3950
3951 #ifdef __WXMAC__
3952 MacSetClipChildren( true );
3953 #endif
3954
3955 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3956
3957 if (HasFlag(wxDV_NO_HEADER))
3958 m_headerArea = NULL;
3959 else
3960 m_headerArea = new wxDataViewHeaderWindow(this);
3961
3962 SetTargetWindow( m_clientArea );
3963
3964 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3965 if (m_headerArea)
3966 sizer->Add( m_headerArea, 0, wxGROW );
3967 sizer->Add( m_clientArea, 1, wxGROW );
3968 SetSizer( sizer );
3969
3970 return true;
3971 }
3972
3973 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3974 {
3975 return wxBORDER_THEME;
3976 }
3977
3978 #ifdef __WXMSW__
3979 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3980 WXWPARAM wParam,
3981 WXLPARAM lParam)
3982 {
3983 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3984
3985 #ifndef __WXWINCE__
3986 // we need to process arrows ourselves for scrolling
3987 if ( nMsg == WM_GETDLGCODE )
3988 {
3989 rc |= DLGC_WANTARROWS;
3990 }
3991 #endif
3992
3993 return rc;
3994 }
3995 #endif
3996
3997 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3998 {
3999 wxSize newsize = size;
4000 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4001 newsize.y -= m_headerArea->GetSize().y;
4002
4003 return newsize;
4004 }
4005
4006 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4007 {
4008 // We need to override OnSize so that our scrolled
4009 // window a) does call Layout() to use sizers for
4010 // positioning the controls but b) does not query
4011 // the sizer for their size and use that for setting
4012 // the scrollable area as set that ourselves by
4013 // calling SetScrollbar() further down.
4014
4015 Layout();
4016
4017 AdjustScrollbars();
4018 }
4019
4020 void wxDataViewCtrl::SetFocus()
4021 {
4022 if (m_clientArea)
4023 m_clientArea->SetFocus();
4024 }
4025
4026 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4027 {
4028 if (!wxDataViewCtrlBase::AssociateModel( model ))
4029 return false;
4030
4031 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4032
4033 model->AddNotifier( m_notifier );
4034
4035 m_clientArea->DestroyTree();
4036
4037 m_clientArea->BuildTree(model);
4038
4039 m_clientArea->UpdateDisplay();
4040
4041 return true;
4042 }
4043
4044 #if wxUSE_DRAG_AND_DROP
4045
4046 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4047 {
4048 return m_clientArea->EnableDragSource( format );
4049 }
4050
4051 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4052 {
4053 return m_clientArea->EnableDropTarget( format );
4054 }
4055
4056 #endif // wxUSE_DRAG_AND_DROP
4057
4058 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4059 {
4060 if (!wxDataViewCtrlBase::AppendColumn(col))
4061 return false;
4062
4063 m_cols.Append( col );
4064 OnColumnsCountChanged();
4065 return true;
4066 }
4067
4068 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4069 {
4070 if (!wxDataViewCtrlBase::PrependColumn(col))
4071 return false;
4072
4073 m_cols.Insert( col );
4074 OnColumnsCountChanged();
4075 return true;
4076 }
4077
4078 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4079 {
4080 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4081 return false;
4082
4083 m_cols.Insert( pos, col );
4084 OnColumnsCountChanged();
4085 return true;
4086 }
4087
4088 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4089 {
4090 if ( m_headerArea )
4091 m_headerArea->UpdateColumn(idx);
4092
4093 m_clientArea->UpdateDisplay();
4094 }
4095
4096 void wxDataViewCtrl::OnColumnsCountChanged()
4097 {
4098 if (m_headerArea)
4099 m_headerArea->SetColumnCount(GetColumnCount());
4100
4101 m_clientArea->UpdateDisplay();
4102 }
4103
4104 void wxDataViewCtrl::DoSetExpanderColumn()
4105 {
4106 m_clientArea->UpdateDisplay();
4107 }
4108
4109 void wxDataViewCtrl::DoSetIndent()
4110 {
4111 m_clientArea->UpdateDisplay();
4112 }
4113
4114 unsigned int wxDataViewCtrl::GetColumnCount() const
4115 {
4116 return m_cols.GetCount();
4117 }
4118
4119 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4120 {
4121 return m_cols[idx];
4122 }
4123
4124 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4125 {
4126 // columns can't be reordered if there is no header window which allows
4127 // to do this
4128 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4129 : pos;
4130
4131 return GetColumn(idx);
4132 }
4133
4134 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4135 {
4136 const unsigned count = m_cols.size();
4137 for ( unsigned n = 0; n < count; n++ )
4138 {
4139 if ( m_cols[n] == column )
4140 return n;
4141 }
4142
4143 return wxNOT_FOUND;
4144 }
4145
4146 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4147 unsigned int WXUNUSED(new_pos))
4148 {
4149 // do _not_ reorder m_cols elements here, they should always be in the
4150 // order in which columns were added, we only display the columns in
4151 // different order
4152 m_clientArea->UpdateDisplay();
4153 }
4154
4155 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4156 {
4157 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4158 if (!ret)
4159 return false;
4160
4161 m_cols.Erase(ret);
4162 OnColumnsCountChanged();
4163
4164 return true;
4165 }
4166
4167 bool wxDataViewCtrl::ClearColumns()
4168 {
4169 m_cols.Clear();
4170 OnColumnsCountChanged();
4171 return true;
4172 }
4173
4174 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4175 {
4176 int ret = 0,
4177 dummy = 0;
4178 unsigned int len = GetColumnCount();
4179 for ( unsigned int i = 0; i < len; i++ )
4180 {
4181 wxDataViewColumn * col = GetColumnAt(i);
4182 if (col->IsHidden())
4183 continue;
4184 ret += col->GetWidth();
4185 if (column==col)
4186 {
4187 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4188 break;
4189 }
4190 }
4191 return ret;
4192 }
4193
4194 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4195 {
4196 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4197 : GetColumn(m_sortingColumnIdx);
4198 }
4199
4200 // Selection code with wxDataViewItem as parameters
4201 wxDataViewItem wxDataViewCtrl::GetSelection() const
4202 {
4203 return m_clientArea->GetSelection();
4204 }
4205
4206 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4207 {
4208 sel.Empty();
4209 wxDataViewSelection selection = m_clientArea->GetSelections();
4210 int len = selection.GetCount();
4211 for( int i = 0; i < len; i ++)
4212 {
4213 unsigned int row = selection[i];
4214 sel.Add( m_clientArea->GetItemByRow( row ) );
4215 }
4216 return len;
4217 }
4218
4219 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4220 {
4221 wxDataViewSelection selection(wxDataViewSelectionCmp);
4222
4223 wxDataViewItem last_parent;
4224
4225 int len = sel.GetCount();
4226 for( int i = 0; i < len; i ++ )
4227 {
4228 wxDataViewItem item = sel[i];
4229 wxDataViewItem parent = GetModel()->GetParent( item );
4230 if (parent)
4231 {
4232 if (parent != last_parent)
4233 ExpandAncestors(item);
4234 }
4235
4236 last_parent = parent;
4237 int row = m_clientArea->GetRowByItem( item );
4238 if( row >= 0 )
4239 selection.Add( static_cast<unsigned int>(row) );
4240 }
4241
4242 m_clientArea->SetSelections( selection );
4243 }
4244
4245 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4246 {
4247 ExpandAncestors( item );
4248
4249 int row = m_clientArea->GetRowByItem( item );
4250 if( row >= 0 )
4251 {
4252 // Unselect all rows before select another in the single select mode
4253 if (m_clientArea->IsSingleSel())
4254 m_clientArea->SelectAllRows(false);
4255 m_clientArea->SelectRow(row, true);
4256 }
4257 }
4258
4259 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4260 {
4261 int row = m_clientArea->GetRowByItem( item );
4262 if( row >= 0 )
4263 m_clientArea->SelectRow(row, false);
4264 }
4265
4266 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4267 {
4268 int row = m_clientArea->GetRowByItem( item );
4269 if( row >= 0 )
4270 {
4271 return m_clientArea->IsRowSelected(row);
4272 }
4273 return false;
4274 }
4275
4276 // Selection code with row number as parameter
4277 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4278 {
4279 sel.Empty();
4280 wxDataViewSelection selection = m_clientArea->GetSelections();
4281 int len = selection.GetCount();
4282 for( int i = 0; i < len; i ++)
4283 {
4284 unsigned int row = selection[i];
4285 sel.Add( row );
4286 }
4287 return len;
4288 }
4289
4290 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4291 {
4292 wxDataViewSelection selection(wxDataViewSelectionCmp);
4293 int len = sel.GetCount();
4294 for( int i = 0; i < len; i ++ )
4295 {
4296 int row = sel[i];
4297 if( row >= 0 )
4298 selection.Add( static_cast<unsigned int>(row) );
4299 }
4300 m_clientArea->SetSelections( selection );
4301 }
4302
4303 void wxDataViewCtrl::Select( int row )
4304 {
4305 if( row >= 0 )
4306 {
4307 if (m_clientArea->IsSingleSel())
4308 m_clientArea->SelectAllRows(false);
4309 m_clientArea->SelectRow( row, true );
4310 }
4311 }
4312
4313 void wxDataViewCtrl::Unselect( int row )
4314 {
4315 if( row >= 0 )
4316 m_clientArea->SelectRow(row, false);
4317 }
4318
4319 bool wxDataViewCtrl::IsSelected( int row ) const
4320 {
4321 if( row >= 0 )
4322 return m_clientArea->IsRowSelected(row);
4323 return false;
4324 }
4325
4326 void wxDataViewCtrl::SelectRange( int from, int to )
4327 {
4328 wxArrayInt sel;
4329 for( int i = from; i < to; i ++ )
4330 sel.Add( i );
4331 m_clientArea->Select(sel);
4332 }
4333
4334 void wxDataViewCtrl::UnselectRange( int from, int to )
4335 {
4336 wxDataViewSelection sel = m_clientArea->GetSelections();
4337 for( int i = from; i < to; i ++ )
4338 if( sel.Index( i ) != wxNOT_FOUND )
4339 sel.Remove( i );
4340 m_clientArea->SetSelections(sel);
4341 }
4342
4343 void wxDataViewCtrl::SelectAll()
4344 {
4345 m_clientArea->SelectAllRows(true);
4346 }
4347
4348 void wxDataViewCtrl::UnselectAll()
4349 {
4350 m_clientArea->SelectAllRows(false);
4351 }
4352
4353 void wxDataViewCtrl::EnsureVisible( int row, int column )
4354 {
4355 if( row < 0 )
4356 row = 0;
4357 if( row > (int) m_clientArea->GetRowCount() )
4358 row = m_clientArea->GetRowCount();
4359
4360 int first = m_clientArea->GetFirstVisibleRow();
4361 int last = m_clientArea->GetLastVisibleRow();
4362 if( row < first )
4363 m_clientArea->ScrollTo( row, column );
4364 else if( row > last )
4365 m_clientArea->ScrollTo( row - last + first, column );
4366 else
4367 m_clientArea->ScrollTo( first, column );
4368 }
4369
4370 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4371 {
4372 ExpandAncestors( item );
4373
4374 m_clientArea->RecalculateDisplay();
4375
4376 int row = m_clientArea->GetRowByItem(item);
4377 if( row >= 0 )
4378 {
4379 if( column == NULL )
4380 EnsureVisible(row, -1);
4381 else
4382 EnsureVisible( row, GetColumnIndex(column) );
4383 }
4384
4385 }
4386
4387 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4388 wxDataViewColumn* &column ) const
4389 {
4390 m_clientArea->HitTest(point, item, column);
4391 }
4392
4393 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4394 const wxDataViewColumn* column ) const
4395 {
4396 return m_clientArea->GetItemRect(item, column);
4397 }
4398
4399 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4400 {
4401 return m_clientArea->GetItemByRow( row );
4402 }
4403
4404 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4405 {
4406 return m_clientArea->GetRowByItem( item );
4407 }
4408
4409 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4410 {
4411 int row = m_clientArea->GetRowByItem( item );
4412 if (row != -1)
4413 m_clientArea->Expand(row);
4414 }
4415
4416 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4417 {
4418 int row = m_clientArea->GetRowByItem( item );
4419 if (row != -1)
4420 m_clientArea->Collapse(row);
4421 }
4422
4423 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4424 {
4425 int row = m_clientArea->GetRowByItem( item );
4426 if (row != -1)
4427 return m_clientArea->IsExpanded(row);
4428 return false;
4429 }
4430
4431 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4432 {
4433 wxDataViewColumn* col = GetColumn( column );
4434 if (!col)
4435 return;
4436
4437 wxRect itemRect = GetItemRect(item, col);
4438 wxDataViewRenderer* renderer = col->GetRenderer();
4439 renderer->StartEditing(item, itemRect);
4440 }
4441
4442 #endif // !wxUSE_GENERICDATAVIEWCTRL
4443
4444 #endif // wxUSE_DATAVIEWCTRL