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Avoid painting generic wxDataViewCtrl if it has no columns.
[wxWidgets.git] / src / generic / datavgen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #include "wx/frame.h"
38 #endif
39
40 #include "wx/stockitem.h"
41 #include "wx/calctrl.h"
42 #include "wx/popupwin.h"
43 #include "wx/renderer.h"
44 #include "wx/dcbuffer.h"
45 #include "wx/icon.h"
46 #include "wx/list.h"
47 #include "wx/listimpl.cpp"
48 #include "wx/imaglist.h"
49 #include "wx/headerctrl.h"
50 #include "wx/dnd.h"
51
52 //-----------------------------------------------------------------------------
53 // classes
54 //-----------------------------------------------------------------------------
55
56 class wxDataViewCtrl;
57
58 static const int SCROLL_UNIT_X = 15;
59
60 // the cell padding on the left/right
61 static const int PADDING_RIGHTLEFT = 3;
62
63 // the expander space margin
64 static const int EXPANDER_MARGIN = 4;
65
66 #ifdef __WXMSW__
67 static const int EXPANDER_OFFSET = 4;
68 #else
69 static const int EXPANDER_OFFSET = 1;
70 #endif
71
72 // Below is the compare stuff.
73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
74 // fast search when needed
75 static wxDataViewModel* g_model;
76 static int g_column = -2;
77 static bool g_asending = true;
78
79 //-----------------------------------------------------------------------------
80 // wxDataViewHeaderWindow
81 //-----------------------------------------------------------------------------
82
83 class wxDataViewHeaderWindow : public wxHeaderCtrl
84 {
85 public:
86 wxDataViewHeaderWindow(wxDataViewCtrl *parent)
87 : wxHeaderCtrl(parent)
88 {
89 }
90
91 wxDataViewCtrl *GetOwner() const
92 { return static_cast<wxDataViewCtrl *>(GetParent()); }
93
94 protected:
95 // implement/override wxHeaderCtrl functions by forwarding them to the main
96 // control
97 virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
98 {
99 return *(GetOwner()->GetColumn(idx));
100 }
101
102 // FIXME: currently unused
103 virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
104 {
105 wxDataViewCtrl * const owner = GetOwner();
106
107 int widthContents = owner->GetBestColumnWidth(idx);
108 owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
109 owner->OnColumnChange(idx);
110
111 return true;
112 }
113
114 private:
115 bool SendEvent(wxEventType type, unsigned int n)
116 {
117 wxDataViewCtrl * const owner = GetOwner();
118 wxDataViewEvent event(type, owner->GetId());
119
120 event.SetEventObject(owner);
121 event.SetColumn(n);
122 event.SetDataViewColumn(owner->GetColumn(n));
123 event.SetModel(owner->GetModel());
124
125 // for events created by wxDataViewHeaderWindow the
126 // row / value fields are not valid
127 return owner->GetEventHandler()->ProcessEvent(event);
128 }
129
130 void OnClick(wxHeaderCtrlEvent& event)
131 {
132 const unsigned idx = event.GetColumn();
133
134 if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
135 return;
136
137 // default handling for the column click is to sort by this column or
138 // toggle its sort order
139 wxDataViewCtrl * const owner = GetOwner();
140 wxDataViewColumn * const col = owner->GetColumn(idx);
141 if ( !col->IsSortable() )
142 {
143 // no default handling for non-sortable columns
144 event.Skip();
145 return;
146 }
147
148 if ( col->IsSortKey() )
149 {
150 // already using this column for sorting, just change the order
151 col->ToggleSortOrder();
152 }
153 else // not using this column for sorting yet
154 {
155 // first unset the old sort column if any
156 int oldSortKey = owner->GetSortingColumnIndex();
157 if ( oldSortKey != wxNOT_FOUND )
158 {
159 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
160 owner->OnColumnChange(oldSortKey);
161 }
162
163 owner->SetSortingColumnIndex(idx);
164 col->SetAsSortKey();
165 }
166
167 wxDataViewModel * const model = owner->GetModel();
168 if ( model )
169 model->Resort();
170
171 owner->OnColumnChange(idx);
172 }
173
174 void OnRClick(wxHeaderCtrlEvent& event)
175 {
176 if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
177 event.GetColumn()) )
178 event.Skip();
179 }
180
181 void OnResize(wxHeaderCtrlEvent& event)
182 {
183 wxDataViewCtrl * const owner = GetOwner();
184
185 const unsigned col = event.GetColumn();
186 owner->GetColumn(col)->SetWidth(event.GetWidth());
187 GetOwner()->OnColumnChange(col);
188 }
189
190 void OnEndReorder(wxHeaderCtrlEvent& event)
191 {
192 wxDataViewCtrl * const owner = GetOwner();
193 owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
194 event.GetNewOrder());
195 }
196
197 DECLARE_EVENT_TABLE()
198 wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
199 };
200
201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
202 EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
203 EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
204
205 EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
206 EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
207
208 EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
209 END_EVENT_TABLE()
210
211 //-----------------------------------------------------------------------------
212 // wxDataViewRenameTimer
213 //-----------------------------------------------------------------------------
214
215 class wxDataViewRenameTimer: public wxTimer
216 {
217 private:
218 wxDataViewMainWindow *m_owner;
219
220 public:
221 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
222 void Notify();
223 };
224
225 //-----------------------------------------------------------------------------
226 // wxDataViewTreeNode
227 //-----------------------------------------------------------------------------
228
229 class wxDataViewTreeNode;
230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
232
233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
234 wxDataViewTreeNode ** node2);
235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
236
237 class wxDataViewTreeNode
238 {
239 public:
240 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
241 {
242 m_parent = parent;
243 if (!parent)
244 m_open = true;
245 else
246 m_open = false;
247 m_hasChildren = false;
248 m_subTreeCount = 0;
249 }
250
251 ~wxDataViewTreeNode()
252 {
253 }
254
255 wxDataViewTreeNode * GetParent() const { return m_parent; }
256 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
257 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
258 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
259
260 void AddNode( wxDataViewTreeNode * node )
261 {
262 m_leaves.Add( node->GetItem().GetID() );
263 if (g_column >= -1)
264 m_leaves.Sort( &wxGenericTreeModelItemCmp );
265 m_nodes.Add( node );
266 if (g_column >= -1)
267 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
268 }
269 void AddLeaf( void * leaf )
270 {
271 m_leaves.Add( leaf );
272 if (g_column >= -1)
273 m_leaves.Sort( &wxGenericTreeModelItemCmp );
274 }
275
276 wxDataViewItem & GetItem() { return m_item; }
277 const wxDataViewItem & GetItem() const { return m_item; }
278 void SetItem( const wxDataViewItem & item ) { m_item = item; }
279
280 unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
281 unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
282 int GetIndentLevel() const
283 {
284 int ret = 0;
285 const wxDataViewTreeNode * node = this;
286 while( node->GetParent()->GetParent() != NULL )
287 {
288 node = node->GetParent();
289 ret ++;
290 }
291 return ret;
292 }
293
294 bool IsOpen() const
295 {
296 return m_open;
297 }
298
299 void ToggleOpen()
300 {
301 int len = m_nodes.GetCount();
302 int sum = 0;
303 for ( int i = 0;i < len; i ++)
304 sum += m_nodes[i]->GetSubTreeCount();
305
306 sum += m_leaves.GetCount();
307 if (m_open)
308 {
309 ChangeSubTreeCount(-sum);
310 m_open = !m_open;
311 }
312 else
313 {
314 m_open = !m_open;
315 ChangeSubTreeCount(sum);
316 }
317 }
318 bool HasChildren() const { return m_hasChildren; }
319 void SetHasChildren( bool has ){ m_hasChildren = has; }
320
321 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
322 int GetSubTreeCount() const { return m_subTreeCount; }
323 void ChangeSubTreeCount( int num )
324 {
325 if( !m_open )
326 return;
327 m_subTreeCount += num;
328 if( m_parent )
329 m_parent->ChangeSubTreeCount(num);
330 }
331
332 void Resort()
333 {
334 if (g_column >= -1)
335 {
336 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
337 int len = m_nodes.GetCount();
338 for (int i = 0; i < len; i ++)
339 m_nodes[i]->Resort();
340 m_leaves.Sort( &wxGenericTreeModelItemCmp );
341 }
342 }
343
344 private:
345 wxDataViewTreeNode *m_parent;
346 wxDataViewTreeNodes m_nodes;
347 wxDataViewTreeLeaves m_leaves;
348 wxDataViewItem m_item;
349 bool m_open;
350 bool m_hasChildren;
351 int m_subTreeCount;
352 };
353
354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
355 wxDataViewTreeNode ** node2)
356 {
357 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
358 }
359
360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
361 {
362 return g_model->Compare( *id1, *id2, g_column, g_asending );
363 }
364
365
366 //-----------------------------------------------------------------------------
367 // wxDataViewMainWindow
368 //-----------------------------------------------------------------------------
369
370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
371 WXDLLIMPEXP_ADV);
372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
373 WX_DEFINE_LIST(ItemList)
374
375 class wxDataViewMainWindow: public wxWindow
376 {
377 public:
378 wxDataViewMainWindow( wxDataViewCtrl *parent,
379 wxWindowID id,
380 const wxPoint &pos = wxDefaultPosition,
381 const wxSize &size = wxDefaultSize,
382 const wxString &name = wxT("wxdataviewctrlmainwindow") );
383 virtual ~wxDataViewMainWindow();
384
385 bool IsVirtualList() const { return m_root == NULL; }
386
387 // notifications from wxDataViewModel
388 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
389 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
390 bool ItemChanged( const wxDataViewItem &item );
391 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
392 bool Cleared();
393 void Resort()
394 {
395 if (!IsVirtualList())
396 {
397 SortPrepare();
398 m_root->Resort();
399 }
400 UpdateDisplay();
401 }
402
403 void SortPrepare()
404 {
405 g_model = GetOwner()->GetModel();
406 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
407 if( !col )
408 {
409 if (g_model->HasDefaultCompare())
410 g_column = -1;
411 else
412 g_column = -2;
413
414 g_asending = true;
415 return;
416 }
417 g_column = col->GetModelColumn();
418 g_asending = col->IsSortOrderAscending();
419 }
420
421 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
422 wxDataViewCtrl *GetOwner() { return m_owner; }
423 const wxDataViewCtrl *GetOwner() const { return m_owner; }
424
425 #if wxUSE_DRAG_AND_DROP
426 wxBitmap CreateItemBitmap( unsigned int row, int &indent );
427 #endif // wxUSE_DRAG_AND_DROP
428 void OnPaint( wxPaintEvent &event );
429 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
430 void OnChar( wxKeyEvent &event );
431 void OnMouse( wxMouseEvent &event );
432 void OnSetFocus( wxFocusEvent &event );
433 void OnKillFocus( wxFocusEvent &event );
434
435 void UpdateDisplay();
436 void RecalculateDisplay();
437 void OnInternalIdle();
438
439 void OnRenameTimer();
440
441 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
442 void ScrollTo( int rows, int column );
443
444 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
445 void ChangeCurrentRow( unsigned int row );
446
447 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
448 bool IsEmpty() { return GetRowCount() == 0; }
449
450 int GetCountPerPage() const;
451 int GetEndOfLastCol() const;
452 unsigned int GetFirstVisibleRow() const;
453
454 // I change this method to un const because in the tree view,
455 // the displaying number of the tree are changing along with the
456 // expanding/collapsing of the tree nodes
457 unsigned int GetLastVisibleRow();
458 unsigned int GetRowCount();
459
460 wxDataViewItem GetSelection() const;
461 wxDataViewSelection GetSelections(){ return m_selection; }
462 void SetSelections( const wxDataViewSelection & sel )
463 { m_selection = sel; UpdateDisplay(); }
464 void Select( const wxArrayInt& aSelections );
465 void SelectAllRows( bool on );
466 void SelectRow( unsigned int row, bool on );
467 void SelectRows( unsigned int from, unsigned int to, bool on );
468 void ReverseRowSelection( unsigned int row );
469 bool IsRowSelected( unsigned int row );
470 void SendSelectionChangedEvent( const wxDataViewItem& item);
471
472 void RefreshRow( unsigned int row );
473 void RefreshRows( unsigned int from, unsigned int to );
474 void RefreshRowsAfter( unsigned int firstRow );
475
476 // returns the colour to be used for drawing the rules
477 wxColour GetRuleColour() const
478 {
479 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
480 }
481
482 wxRect GetLineRect( unsigned int row ) const;
483
484 int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
485 int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
486 int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
487
488 // Some useful functions for row and item mapping
489 wxDataViewItem GetItemByRow( unsigned int row ) const;
490 int GetRowByItem( const wxDataViewItem & item ) const;
491
492 // Methods for building the mapping tree
493 void BuildTree( wxDataViewModel * model );
494 void DestroyTree();
495 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
496 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
497
498 void Expand( unsigned int row );
499 void Collapse( unsigned int row );
500 bool IsExpanded( unsigned int row ) const;
501 bool HasChildren( unsigned int row ) const;
502
503 #if wxUSE_DRAG_AND_DROP
504 bool EnableDragSource( const wxDataFormat &format );
505 bool EnableDropTarget( const wxDataFormat &format );
506
507 void RemoveDropHint();
508 wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
509 bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
510 wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
511 void OnLeave();
512 #endif // wxUSE_DRAG_AND_DROP
513
514 private:
515 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
516 // We did not need this temporarily
517 // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
518
519 int RecalculateCount();
520
521 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
522
523 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
524
525 private:
526 wxDataViewCtrl *m_owner;
527 int m_lineHeight;
528 bool m_dirty;
529
530 wxDataViewColumn *m_currentCol;
531 unsigned int m_currentRow;
532 wxDataViewSelection m_selection;
533
534 wxDataViewRenameTimer *m_renameTimer;
535 bool m_lastOnSame;
536
537 bool m_hasFocus;
538
539 #if wxUSE_DRAG_AND_DROP
540 int m_dragCount;
541 wxPoint m_dragStart;
542
543 bool m_dragEnabled;
544 wxDataFormat m_dragFormat;
545
546 bool m_dropEnabled;
547 wxDataFormat m_dropFormat;
548 bool m_dropHint;
549 unsigned int m_dropHintLine;
550 #endif // wxUSE_DRAG_AND_DROP
551
552 // for double click logic
553 unsigned int m_lineLastClicked,
554 m_lineBeforeLastClicked,
555 m_lineSelectSingleOnUp;
556
557 // the pen used to draw horiz/vertical rules
558 wxPen m_penRule;
559
560 // the pen used to draw the expander and the lines
561 wxPen m_penExpander;
562
563 // This is the tree structure of the model
564 wxDataViewTreeNode * m_root;
565 int m_count;
566
567 // This is the tree node under the cursor
568 wxDataViewTreeNode * m_underMouse;
569
570 private:
571 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
572 DECLARE_EVENT_TABLE()
573 };
574
575 // ---------------------------------------------------------
576 // wxGenericDataViewModelNotifier
577 // ---------------------------------------------------------
578
579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
580 {
581 public:
582 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
583 { m_mainWindow = mainWindow; }
584
585 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
586 { return m_mainWindow->ItemAdded( parent , item ); }
587 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
588 { return m_mainWindow->ItemDeleted( parent, item ); }
589 virtual bool ItemChanged( const wxDataViewItem & item )
590 { return m_mainWindow->ItemChanged(item); }
591 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
592 { return m_mainWindow->ValueChanged( item, col ); }
593 virtual bool Cleared()
594 { return m_mainWindow->Cleared(); }
595 virtual void Resort()
596 { m_mainWindow->Resort(); }
597
598 wxDataViewMainWindow *m_mainWindow;
599 };
600
601 // ---------------------------------------------------------
602 // wxDataViewRenderer
603 // ---------------------------------------------------------
604
605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
606
607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
608 wxDataViewCellMode mode,
609 int align) :
610 wxDataViewCustomRendererBase( varianttype, mode, align )
611 {
612 m_align = align;
613 m_mode = mode;
614 m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
615 m_dc = NULL;
616 }
617
618 wxDataViewRenderer::~wxDataViewRenderer()
619 {
620 delete m_dc;
621 }
622
623 wxDC *wxDataViewRenderer::GetDC()
624 {
625 if (m_dc == NULL)
626 {
627 if (GetOwner() == NULL)
628 return NULL;
629 if (GetOwner()->GetOwner() == NULL)
630 return NULL;
631 m_dc = new wxClientDC( GetOwner()->GetOwner() );
632 }
633
634 return m_dc;
635 }
636
637 void wxDataViewRenderer::SetAlignment( int align )
638 {
639 m_align=align;
640 }
641
642 int wxDataViewRenderer::GetAlignment() const
643 {
644 return m_align;
645 }
646
647 // ---------------------------------------------------------
648 // wxDataViewCustomRenderer
649 // ---------------------------------------------------------
650
651 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
652
653 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
654 wxDataViewCellMode mode, int align ) :
655 wxDataViewRenderer( varianttype, mode, align )
656 {
657 }
658
659 // ---------------------------------------------------------
660 // wxDataViewTextRenderer
661 // ---------------------------------------------------------
662
663 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
664
665 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
666 wxDataViewCellMode mode, int align ) :
667 wxDataViewRenderer( varianttype, mode, align )
668 {
669 }
670
671 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
672 {
673 m_text = value.GetString();
674
675 return true;
676 }
677
678 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
679 {
680 return false;
681 }
682
683 bool wxDataViewTextRenderer::HasEditorCtrl() const
684 {
685 return true;
686 }
687
688 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
689 wxRect labelRect, const wxVariant &value )
690 {
691 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
692 wxPoint(labelRect.x,labelRect.y),
693 wxSize(labelRect.width,labelRect.height) );
694
695 // select the text in the control an place the cursor at the end
696 ctrl->SetInsertionPointEnd();
697 ctrl->SelectAll();
698
699 return ctrl;
700 }
701
702 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
703 {
704 wxTextCtrl *text = (wxTextCtrl*) editor;
705 value = text->GetValue();
706 return true;
707 }
708
709 bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
710 {
711 RenderText(m_text, 0, rect, dc, state);
712 return true;
713 }
714
715 wxSize wxDataViewTextRenderer::GetSize() const
716 {
717 const wxDataViewCtrl *view = GetView();
718 if (!m_text.empty())
719 return view->wxWindowBase::GetTextExtent( m_text );
720 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
721 }
722
723 // ---------------------------------------------------------
724 // wxDataViewBitmapRenderer
725 // ---------------------------------------------------------
726
727 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
728
729 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
730 wxDataViewCellMode mode, int align ) :
731 wxDataViewRenderer( varianttype, mode, align )
732 {
733 }
734
735 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
736 {
737 if (value.GetType() == wxT("wxBitmap"))
738 m_bitmap << value;
739 if (value.GetType() == wxT("wxIcon"))
740 m_icon << value;
741
742 return true;
743 }
744
745 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
746 {
747 return false;
748 }
749
750 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
751 {
752 if (m_bitmap.Ok())
753 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
754 else if (m_icon.Ok())
755 dc->DrawIcon( m_icon, cell.x, cell.y );
756
757 return true;
758 }
759
760 wxSize wxDataViewBitmapRenderer::GetSize() const
761 {
762 if (m_bitmap.Ok())
763 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
764 else if (m_icon.Ok())
765 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
766
767 return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
768 }
769
770 // ---------------------------------------------------------
771 // wxDataViewToggleRenderer
772 // ---------------------------------------------------------
773
774 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
775
776 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
777 wxDataViewCellMode mode, int align ) :
778 wxDataViewRenderer( varianttype, mode, align )
779 {
780 m_toggle = false;
781 }
782
783 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
784 {
785 m_toggle = value.GetBool();
786
787 return true;
788 }
789
790 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
791 {
792 return false;
793 }
794
795 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
796 {
797 int flags = 0;
798 if (m_toggle)
799 flags |= wxCONTROL_CHECKED;
800 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
801 flags |= wxCONTROL_DISABLED;
802
803 wxRendererNative::Get().DrawCheckBox(
804 GetOwner()->GetOwner(),
805 *dc,
806 cell,
807 flags );
808
809 return true;
810 }
811
812 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
813 wxDataViewModel *model,
814 const wxDataViewItem & item, unsigned int col)
815 {
816 model->ChangeValue(!m_toggle, item, col);
817 return true;
818 }
819
820 wxSize wxDataViewToggleRenderer::GetSize() const
821 {
822 // the window parameter is not used by GetCheckBoxSize() so it's
823 // safe to pass NULL
824 return wxRendererNative::Get().GetCheckBoxSize(NULL);
825 }
826
827 // ---------------------------------------------------------
828 // wxDataViewProgressRenderer
829 // ---------------------------------------------------------
830
831 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
832
833 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
834 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
835 wxDataViewRenderer( varianttype, mode, align )
836 {
837 m_label = label;
838 m_value = 0;
839 }
840
841 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
842 {
843 m_value = (long) value;
844
845 if (m_value < 0) m_value = 0;
846 if (m_value > 100) m_value = 100;
847
848 return true;
849 }
850
851 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
852 {
853 value = (long) m_value;
854 return true;
855 }
856
857 bool
858 wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
859 {
860 // deflate the rect to leave a small border between bars in adjacent rows
861 wxRect bar = rect.Deflate(0, 1);
862
863 dc->SetBrush( *wxTRANSPARENT_BRUSH );
864 dc->SetPen( *wxBLACK_PEN );
865 dc->DrawRectangle( bar );
866
867 bar.width = (int)(bar.width * m_value / 100.);
868 dc->SetPen( *wxTRANSPARENT_PEN );
869
870 const wxDataViewItemAttr& attr = GetAttr();
871 dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
872 : *wxBLUE_BRUSH );
873 dc->DrawRectangle( bar );
874
875 return true;
876 }
877
878 wxSize wxDataViewProgressRenderer::GetSize() const
879 {
880 return wxSize(40,12);
881 }
882
883 // ---------------------------------------------------------
884 // wxDataViewDateRenderer
885 // ---------------------------------------------------------
886
887 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
888
889 #if wxUSE_DATE_RENDERER_POPUP
890
891 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
892 {
893 public:
894 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
895 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
896 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
897 m_item( item )
898 {
899 m_model = model;
900 m_col = col;
901 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
902 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
903 sizer->Add( m_cal, 1, wxGROW );
904 SetSizer( sizer );
905 sizer->Fit( this );
906 }
907
908 void OnCalendar( wxCalendarEvent &event );
909
910 wxCalendarCtrl *m_cal;
911 wxDataViewModel *m_model;
912 unsigned int m_col;
913 const wxDataViewItem & m_item;
914
915 protected:
916 virtual void OnDismiss()
917 {
918 }
919
920 private:
921 DECLARE_EVENT_TABLE()
922 };
923
924 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
925 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
926 END_EVENT_TABLE()
927
928 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
929 {
930 m_model->ChangeValue( event.GetDate(), m_item, m_col );
931 DismissAndNotify();
932 }
933
934 #endif // wxUSE_DATE_RENDERER_POPUP
935
936 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)
937
938 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
939 wxDataViewCellMode mode, int align ) :
940 wxDataViewRenderer( varianttype, mode, align )
941 {
942 }
943
944 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
945 {
946 m_date = value.GetDateTime();
947
948 return true;
949 }
950
951 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
952 {
953 value = m_date;
954 return true;
955 }
956
957 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
958 {
959 wxString tmp = m_date.FormatDate();
960 RenderText( tmp, 0, cell, dc, state );
961 return true;
962 }
963
964 wxSize wxDataViewDateRenderer::GetSize() const
965 {
966 const wxDataViewCtrl* view = GetView();
967 wxString tmp = m_date.FormatDate();
968 wxCoord x,y,d;
969 view->GetTextExtent( tmp, &x, &y, &d );
970 return wxSize(x,y+d);
971 }
972
973 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
974 const wxDataViewItem & item, unsigned int col )
975 {
976 wxVariant variant;
977 model->GetValue( variant, item, col );
978 wxDateTime value = variant.GetDateTime();
979
980 #if wxUSE_DATE_RENDERER_POPUP
981 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
982 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
983 wxPoint pos = wxGetMousePosition();
984 popup->Move( pos );
985 popup->Layout();
986 popup->Popup( popup->m_cal );
987 #else // !wxUSE_DATE_RENDERER_POPUP
988 wxMessageBox(value.Format());
989 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
990 return true;
991 }
992
993 // ---------------------------------------------------------
994 // wxDataViewIconTextRenderer
995 // ---------------------------------------------------------
996
997 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
998
999 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1000 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1001 wxDataViewRenderer( varianttype, mode, align )
1002 {
1003 SetMode(mode);
1004 SetAlignment(align);
1005 }
1006
1007 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1008 {
1009 m_value << value;
1010 return true;
1011 }
1012
1013 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1014 {
1015 return false;
1016 }
1017
1018 bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
1019 {
1020 int xoffset = 0;
1021
1022 const wxIcon& icon = m_value.GetIcon();
1023 if ( icon.IsOk() )
1024 {
1025 dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1026 xoffset = icon.GetWidth()+4;
1027 }
1028
1029 RenderText(m_value.GetText(), xoffset, rect, dc, state);
1030
1031 return true;
1032 }
1033
1034 wxSize wxDataViewIconTextRenderer::GetSize() const
1035 {
1036 const wxDataViewCtrl *view = GetView();
1037 if (!m_value.GetText().empty())
1038 {
1039 int x,y;
1040 view->GetTextExtent( m_value.GetText(), &x, &y );
1041
1042 if (m_value.GetIcon().IsOk())
1043 x += m_value.GetIcon().GetWidth() + 4;
1044 return wxSize( x, y );
1045 }
1046 return wxSize(80,20);
1047 }
1048
1049 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1050 {
1051 wxDataViewIconText iconText;
1052 iconText << value;
1053
1054 wxString text = iconText.GetText();
1055
1056 // adjust the label rect to take the width of the icon into account
1057 if (iconText.GetIcon().IsOk())
1058 {
1059 int w = iconText.GetIcon().GetWidth() + 4;
1060 labelRect.x += w;
1061 labelRect.width -= w;
1062 }
1063
1064 wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1065 wxPoint(labelRect.x,labelRect.y),
1066 wxSize(labelRect.width,labelRect.height) );
1067
1068 // select the text in the control an place the cursor at the end
1069 ctrl->SetInsertionPointEnd();
1070 ctrl->SelectAll();
1071
1072 return ctrl;
1073 }
1074
1075 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1076 {
1077 wxTextCtrl *text = (wxTextCtrl*) editor;
1078
1079 wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1080 value << iconText;
1081 return true;
1082 }
1083
1084 //-----------------------------------------------------------------------------
1085 // wxDataViewDropTarget
1086 //-----------------------------------------------------------------------------
1087
1088 #if wxUSE_DRAG_AND_DROP
1089
1090 class wxBitmapCanvas: public wxWindow
1091 {
1092 public:
1093 wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1094 wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1095 {
1096 m_bitmap = bitmap;
1097 Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1098 }
1099
1100 void OnPaint( wxPaintEvent &WXUNUSED(event) )
1101 {
1102 wxPaintDC dc(this);
1103 dc.DrawBitmap( m_bitmap, 0, 0);
1104 }
1105
1106 wxBitmap m_bitmap;
1107 };
1108
1109 class wxDataViewDropSource: public wxDropSource
1110 {
1111 public:
1112 wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1113 wxDropSource( win )
1114 {
1115 m_win = win;
1116 m_row = row;
1117 m_hint = NULL;
1118 }
1119
1120 ~wxDataViewDropSource()
1121 {
1122 delete m_hint;
1123 }
1124
1125 virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1126 {
1127 wxPoint pos = wxGetMousePosition();
1128
1129 if (!m_hint)
1130 {
1131 int liney = m_win->GetLineStart( m_row );
1132 int linex = 0;
1133 m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1134 m_win->ClientToScreen( &linex, &liney );
1135 m_dist_x = pos.x - linex;
1136 m_dist_y = pos.y - liney;
1137
1138 int indent = 0;
1139 wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1140 m_dist_x -= indent;
1141 m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1142 wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1143 ib.GetSize(),
1144 wxFRAME_TOOL_WINDOW |
1145 wxFRAME_FLOAT_ON_PARENT |
1146 wxFRAME_NO_TASKBAR |
1147 wxNO_BORDER );
1148 new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1149 m_hint->Show();
1150 }
1151 else
1152 {
1153 m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
1154 m_hint->SetTransparent( 128 );
1155 }
1156
1157 return false;
1158 }
1159
1160 wxDataViewMainWindow *m_win;
1161 unsigned int m_row;
1162 wxFrame *m_hint;
1163 int m_dist_x,m_dist_y;
1164 };
1165
1166
1167 class wxDataViewDropTarget: public wxDropTarget
1168 {
1169 public:
1170 wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1171 wxDropTarget( obj )
1172 {
1173 m_win = win;
1174 }
1175
1176 virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1177 {
1178 wxDataFormat format = GetMatchingPair();
1179 if (format == wxDF_INVALID)
1180 return wxDragNone;
1181 return m_win->OnDragOver( format, x, y, def);
1182 }
1183
1184 virtual bool OnDrop( wxCoord x, wxCoord y )
1185 {
1186 wxDataFormat format = GetMatchingPair();
1187 if (format == wxDF_INVALID)
1188 return false;
1189 return m_win->OnDrop( format, x, y );
1190 }
1191
1192 virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1193 {
1194 wxDataFormat format = GetMatchingPair();
1195 if (format == wxDF_INVALID)
1196 return wxDragNone;
1197 if (!GetData())
1198 return wxDragNone;
1199 return m_win->OnData( format, x, y, def );
1200 }
1201
1202 virtual void OnLeave()
1203 { m_win->OnLeave(); }
1204
1205 wxDataViewMainWindow *m_win;
1206 };
1207
1208 #endif // wxUSE_DRAG_AND_DROP
1209
1210 //-----------------------------------------------------------------------------
1211 // wxDataViewRenameTimer
1212 //-----------------------------------------------------------------------------
1213
1214 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1215 {
1216 m_owner = owner;
1217 }
1218
1219 void wxDataViewRenameTimer::Notify()
1220 {
1221 m_owner->OnRenameTimer();
1222 }
1223
1224 //-----------------------------------------------------------------------------
1225 // wxDataViewMainWindow
1226 //-----------------------------------------------------------------------------
1227
1228 // The tree building helper, declared firstly
1229 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
1230 wxDataViewTreeNode * node);
1231
1232 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1233 {
1234 if (row1 > row2) return 1;
1235 if (row1 == row2) return 0;
1236 return -1;
1237 }
1238
1239 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1240
1241 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1242 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1243 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1244 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1245 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1246 EVT_CHAR (wxDataViewMainWindow::OnChar)
1247 END_EVENT_TABLE()
1248
1249 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1250 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1251 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1252 m_selection( wxDataViewSelectionCmp )
1253
1254 {
1255 SetOwner( parent );
1256
1257 m_lastOnSame = false;
1258 m_renameTimer = new wxDataViewRenameTimer( this );
1259
1260 // TODO: user better initial values/nothing selected
1261 m_currentCol = NULL;
1262 m_currentRow = 0;
1263
1264 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1265
1266 #if wxUSE_DRAG_AND_DROP
1267 m_dragCount = 0;
1268 m_dragStart = wxPoint(0,0);
1269
1270 m_dragEnabled = false;
1271 m_dropEnabled = false;
1272 m_dropHint = false;
1273 m_dropHintLine = (unsigned int) -1;
1274 #endif // wxUSE_DRAG_AND_DROP
1275
1276 m_lineLastClicked = (unsigned int) -1;
1277 m_lineBeforeLastClicked = (unsigned int) -1;
1278 m_lineSelectSingleOnUp = (unsigned int) -1;
1279
1280 m_hasFocus = false;
1281
1282 SetBackgroundColour( *wxWHITE );
1283
1284 SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1285
1286 m_penRule = wxPen(GetRuleColour());
1287
1288 // compose a pen whichcan draw black lines
1289 // TODO: maybe there is something system colour to use
1290 m_penExpander = wxPen(wxColour(0,0,0));
1291
1292 m_root = new wxDataViewTreeNode( NULL );
1293 m_root->SetHasChildren(true);
1294
1295 // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1296 m_count = -1;
1297 m_underMouse = NULL;
1298 UpdateDisplay();
1299 }
1300
1301 wxDataViewMainWindow::~wxDataViewMainWindow()
1302 {
1303 DestroyTree();
1304 delete m_renameTimer;
1305 }
1306
1307
1308 #if wxUSE_DRAG_AND_DROP
1309 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1310 {
1311 m_dragFormat = format;
1312 m_dragEnabled = format != wxDF_INVALID;
1313
1314 return true;
1315 }
1316
1317 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1318 {
1319 m_dropFormat = format;
1320 m_dropEnabled = format != wxDF_INVALID;
1321
1322 if (m_dropEnabled)
1323 SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1324
1325 return true;
1326 }
1327
1328 void wxDataViewMainWindow::RemoveDropHint()
1329 {
1330 if (m_dropHint)
1331 {
1332 m_dropHint = false;
1333 RefreshRow( m_dropHintLine );
1334 m_dropHintLine = (unsigned int) -1;
1335 }
1336 }
1337
1338 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1339 wxCoord y, wxDragResult def )
1340 {
1341 int xx = x;
1342 int yy = y;
1343 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1344 unsigned int row = GetLineAt( yy );
1345
1346 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1347 {
1348 RemoveDropHint();
1349 return wxDragNone;
1350 }
1351
1352 wxDataViewItem item = GetItemByRow( row );
1353
1354 wxDataViewModel *model = GetOwner()->GetModel();
1355
1356 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1357 event.SetEventObject( m_owner );
1358 event.SetItem( item );
1359 event.SetModel( model );
1360 event.SetDataFormat( format );
1361 if (!m_owner->HandleWindowEvent( event ))
1362 {
1363 RemoveDropHint();
1364 return wxDragNone;
1365 }
1366
1367 if (!event.IsAllowed())
1368 {
1369 RemoveDropHint();
1370 return wxDragNone;
1371 }
1372
1373
1374 if (m_dropHint && (row != m_dropHintLine))
1375 RefreshRow( m_dropHintLine );
1376 m_dropHint = true;
1377 m_dropHintLine = row;
1378 RefreshRow( row );
1379
1380 return def;
1381 }
1382
1383 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1384 {
1385 RemoveDropHint();
1386
1387 int xx = x;
1388 int yy = y;
1389 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1390 unsigned int row = GetLineAt( yy );
1391
1392 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1393 return false;
1394
1395 wxDataViewItem item = GetItemByRow( row );
1396
1397 wxDataViewModel *model = GetOwner()->GetModel();
1398
1399 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1400 event.SetEventObject( m_owner );
1401 event.SetItem( item );
1402 event.SetModel( model );
1403 event.SetDataFormat( format );
1404 if (!m_owner->HandleWindowEvent( event ))
1405 return false;
1406
1407 if (!event.IsAllowed())
1408 return false;
1409
1410 return true;
1411 }
1412
1413 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1414 wxDragResult def )
1415 {
1416 int xx = x;
1417 int yy = y;
1418 m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1419 unsigned int row = GetLineAt( yy );
1420
1421 if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1422 return wxDragNone;
1423
1424 wxDataViewItem item = GetItemByRow( row );
1425
1426 wxDataViewModel *model = GetOwner()->GetModel();
1427
1428 wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1429
1430 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1431 event.SetEventObject( m_owner );
1432 event.SetItem( item );
1433 event.SetModel( model );
1434 event.SetDataFormat( format );
1435 event.SetDataSize( obj->GetSize() );
1436 event.SetDataBuffer( obj->GetData() );
1437 if (!m_owner->HandleWindowEvent( event ))
1438 return wxDragNone;
1439
1440 if (!event.IsAllowed())
1441 return wxDragNone;
1442
1443 return def;
1444 }
1445
1446 void wxDataViewMainWindow::OnLeave()
1447 {
1448 RemoveDropHint();
1449 }
1450
1451 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1452 {
1453 int height = GetLineHeight( row );
1454 int width = 0;
1455 unsigned int cols = GetOwner()->GetColumnCount();
1456 unsigned int col;
1457 for (col = 0; col < cols; col++)
1458 {
1459 wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1460 if (column->IsHidden())
1461 continue; // skip it!
1462 width += column->GetWidth();
1463 }
1464
1465 indent = 0;
1466 if (!IsVirtualList())
1467 {
1468 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1469 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1470 indent = indent + m_lineHeight;
1471 // try to use the m_lineHeight as the expander space
1472
1473 if(!node->HasChildren())
1474 delete node;
1475 }
1476 width -= indent;
1477
1478 wxBitmap bitmap( width, height );
1479 wxMemoryDC dc( bitmap );
1480 dc.SetFont( GetFont() );
1481 dc.SetPen( *wxBLACK_PEN );
1482 dc.SetBrush( *wxWHITE_BRUSH );
1483 dc.DrawRectangle( 0,0,width,height );
1484
1485 wxDataViewModel *model = m_owner->GetModel();
1486
1487 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1488 if (!expander)
1489 {
1490 // TODO-RTL: last column for RTL support
1491 expander = GetOwner()->GetColumnAt( 0 );
1492 GetOwner()->SetExpanderColumn(expander);
1493 }
1494
1495
1496 int x = 0;
1497 for (col = 0; col < cols; col++)
1498 {
1499 wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1500 wxDataViewRenderer *cell = column->GetRenderer();
1501
1502 if (column->IsHidden())
1503 continue; // skip it!
1504
1505 width = column->GetWidth();
1506
1507 if (column == expander)
1508 width -= indent;
1509
1510 wxVariant value;
1511 wxDataViewItem item = GetItemByRow( row );
1512 model->GetValue( value, item, column->GetModelColumn());
1513 cell->SetValue( value );
1514
1515 wxDataViewItemAttr attr;
1516 model->GetAttr(item, column->GetModelColumn(), attr);
1517 cell->SetAttr(attr);
1518
1519 wxRect item_rect(x, 0, width, height);
1520 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1521
1522 // dc.SetClippingRegion( item_rect );
1523 cell->WXCallRender(item_rect, &dc, 0);
1524 // dc.DestroyClippingRegion();
1525
1526 x += width;
1527 }
1528
1529 return bitmap;
1530 }
1531
1532 #endif // wxUSE_DRAG_AND_DROP
1533
1534
1535 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1536 {
1537 wxDataViewModel *model = GetOwner()->GetModel();
1538 wxAutoBufferedPaintDC dc( this );
1539
1540 #ifdef __WXMSW__
1541 dc.SetBrush(GetOwner()->GetBackgroundColour());
1542 dc.SetPen( *wxTRANSPARENT_PEN );
1543 dc.DrawRectangle(GetClientSize());
1544 #endif
1545
1546 // prepare the DC
1547 GetOwner()->PrepareDC( dc );
1548 dc.SetFont( GetFont() );
1549
1550 wxRect update = GetUpdateRegion().GetBox();
1551 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1552
1553 // compute which items needs to be redrawn
1554 unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1555 unsigned int item_count =
1556 wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1557 (int)(GetRowCount( ) - item_start));
1558 unsigned int item_last = item_start + item_count;
1559 // Get the parent of DataViewCtrl
1560 wxWindow *parent = GetParent()->GetParent();
1561 wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1562 cache_event.SetEventObject(GetParent());
1563 cache_event.SetCache(item_start, item_last - 1);
1564 parent->ProcessWindowEvent(cache_event);
1565
1566 // compute which columns needs to be redrawn
1567 unsigned int cols = GetOwner()->GetColumnCount();
1568 if ( !cols )
1569 {
1570 // we assume that we have at least one column below and painting an
1571 // empty control is unnecessary anyhow
1572 return;
1573 }
1574
1575 unsigned int col_start = 0;
1576 unsigned int x_start;
1577 for (x_start = 0; col_start < cols; col_start++)
1578 {
1579 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1580 if (col->IsHidden())
1581 continue; // skip it!
1582
1583 unsigned int w = col->GetWidth();
1584 if (x_start+w >= (unsigned int)update.x)
1585 break;
1586
1587 x_start += w;
1588 }
1589
1590 unsigned int col_last = col_start;
1591 unsigned int x_last = x_start;
1592 for (; col_last < cols; col_last++)
1593 {
1594 wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1595 if (col->IsHidden())
1596 continue; // skip it!
1597
1598 if (x_last > (unsigned int)update.GetRight())
1599 break;
1600
1601 x_last += col->GetWidth();
1602 }
1603
1604 // Draw horizontal rules if required
1605 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1606 {
1607 dc.SetPen(m_penRule);
1608 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1609
1610 for (unsigned int i = item_start; i <= item_last; i++)
1611 {
1612 int y = GetLineStart( i );
1613 dc.DrawLine(x_start, y, x_last, y);
1614 }
1615 }
1616
1617 // Draw vertical rules if required
1618 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1619 {
1620 dc.SetPen(m_penRule);
1621 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1622
1623 int x = x_start;
1624 for (unsigned int i = col_start; i < col_last; i++)
1625 {
1626 wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1627 if (col->IsHidden())
1628 continue; // skip it
1629
1630 dc.DrawLine(x, GetLineStart( item_start ),
1631 x, GetLineStart( item_last ) );
1632
1633 x += col->GetWidth();
1634 }
1635
1636 // Draw last vertical rule
1637 dc.DrawLine(x, GetLineStart( item_start ),
1638 x, GetLineStart( item_last ) );
1639 }
1640
1641 // redraw the background for the items which are selected/current
1642 for (unsigned int item = item_start; item < item_last; item++)
1643 {
1644 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1645 if (selected || item == m_currentRow)
1646 {
1647 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1648 if (item == m_currentRow)
1649 flags |= wxCONTROL_CURRENT;
1650 if (m_hasFocus)
1651 flags |= wxCONTROL_FOCUSED;
1652
1653 wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1654 wxRendererNative::Get().DrawItemSelectionRect
1655 (
1656 this,
1657 dc,
1658 rect,
1659 flags
1660 );
1661 }
1662 }
1663
1664 #if wxUSE_DRAG_AND_DROP
1665 if (m_dropHint)
1666 {
1667 wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1668 x_last, GetLineHeight( m_dropHintLine ) );
1669 dc.SetPen( *wxBLACK_PEN );
1670 dc.SetBrush( *wxTRANSPARENT_BRUSH );
1671 dc.DrawRectangle( rect );
1672 }
1673 #endif // wxUSE_DRAG_AND_DROP
1674
1675 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1676 if (!expander)
1677 {
1678 // TODO-RTL: last column for RTL support
1679 expander = GetOwner()->GetColumnAt( 0 );
1680 GetOwner()->SetExpanderColumn(expander);
1681 }
1682
1683 // redraw all cells for all rows which must be repainted and all columns
1684 wxRect cell_rect;
1685 cell_rect.x = x_start;
1686 for (unsigned int i = col_start; i < col_last; i++)
1687 {
1688 wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1689 wxDataViewRenderer *cell = col->GetRenderer();
1690 cell_rect.width = col->GetWidth();
1691
1692 if (col->IsHidden())
1693 continue; // skip it!
1694
1695 for (unsigned int item = item_start; item < item_last; item++)
1696 {
1697 // get the cell value and set it into the renderer
1698 wxVariant value;
1699 wxDataViewTreeNode *node = NULL;
1700 wxDataViewItem dataitem;
1701
1702 if (!IsVirtualList())
1703 {
1704 node = GetTreeNodeByRow(item);
1705 if( node == NULL )
1706 continue;
1707
1708 dataitem = node->GetItem();
1709
1710 if ((i > 0) && model->IsContainer(dataitem) &&
1711 !model->HasContainerColumns(dataitem))
1712 continue;
1713 }
1714 else
1715 {
1716 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1717 }
1718
1719 model->GetValue( value, dataitem, col->GetModelColumn());
1720 cell->SetValue( value );
1721
1722 wxDataViewItemAttr attr;
1723 model->GetAttr(dataitem, col->GetModelColumn(), attr);
1724 cell->SetAttr(attr);
1725
1726 // update cell_rect
1727 cell_rect.y = GetLineStart( item );
1728 cell_rect.height = GetLineHeight( item );
1729
1730 // Draw the expander here.
1731 int indent = 0;
1732 if ((!IsVirtualList()) && (col == expander))
1733 {
1734 indent = node->GetIndentLevel();
1735
1736 // Calculate the indent first
1737 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1738
1739 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1740
1741 // change the cell_rect.x to the appropriate pos
1742 int expander_x = indent + EXPANDER_MARGIN;
1743 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1744 - (expander_width/2) - EXPANDER_OFFSET;
1745
1746 indent = indent + m_lineHeight;
1747 // try to use the m_lineHeight as the expander space
1748
1749 dc.SetPen( m_penExpander );
1750 dc.SetBrush( wxNullBrush );
1751 if( node->HasChildren() )
1752 {
1753 wxRect rect( expander_x , expander_y, expander_width, expander_width);
1754 int flag = 0;
1755 if (m_underMouse == node)
1756 {
1757 flag |= wxCONTROL_CURRENT;
1758 }
1759 if( node->IsOpen() )
1760 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1761 flag|wxCONTROL_EXPANDED );
1762 else
1763 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1764 }
1765
1766 // force the expander column to left-center align
1767 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1768 }
1769 if (node && !node->HasChildren())
1770 {
1771 // Yes, if the node does not have any child, it must be a leaf which
1772 // mean that it is a temporarily created by GetTreeNodeByRow
1773 wxDELETE(node);
1774 }
1775
1776 wxRect item_rect = cell_rect;
1777 item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1778
1779 // account for the tree indent (harmless if we're not indented)
1780 item_rect.x += indent;
1781 item_rect.width -= indent;
1782
1783 int state = 0;
1784 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1785 state |= wxDATAVIEW_CELL_SELECTED;
1786
1787 // TODO: it would be much more efficient to create a clipping
1788 // region for the entire column being rendered (in the OnPaint
1789 // of wxDataViewMainWindow) instead of a single clip region for
1790 // each cell. However it would mean that each renderer should
1791 // respect the given wxRect's top & bottom coords, eventually
1792 // violating only the left & right coords - however the user can
1793 // make its own renderer and thus we cannot be sure of that.
1794 wxDCClipper clip(dc, item_rect);
1795
1796 cell->WXCallRender(item_rect, &dc, state);
1797 }
1798
1799 cell_rect.x += cell_rect.width;
1800 }
1801 }
1802
1803 void wxDataViewMainWindow::OnRenameTimer()
1804 {
1805 // We have to call this here because changes may just have
1806 // been made and no screen update taken place.
1807 if ( m_dirty )
1808 {
1809 // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1810 // (needs to be tested!)
1811 wxSafeYield();
1812 }
1813
1814 wxDataViewItem item = GetItemByRow( m_currentRow );
1815
1816 wxRect labelRect = GetItemRect(item, m_currentCol);
1817
1818 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1819 }
1820
1821 //-----------------------------------------------------------------------------
1822 // Helper class for do operation on the tree node
1823 //-----------------------------------------------------------------------------
1824 class DoJob
1825 {
1826 public:
1827 DoJob() { }
1828 virtual ~DoJob() { }
1829
1830 // The return value control how the tree-walker tranverse the tree
1831 // 0: Job done, stop tranverse and return
1832 // 1: Ignore the current node's subtree and continue
1833 // 2: Job not done, continue
1834 enum { OK = 0 , IGR = 1, CONT = 2 };
1835 virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1836 virtual int operator() ( void * n ) = 0;
1837 };
1838
1839 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1840 {
1841 if( node==NULL )
1842 return false;
1843
1844 switch( func( node ) )
1845 {
1846 case DoJob::OK :
1847 return true;
1848 case DoJob::IGR:
1849 return false;
1850 case DoJob::CONT:
1851 default:
1852 ;
1853 }
1854
1855 wxDataViewTreeNodes nodes = node->GetNodes();
1856 wxDataViewTreeLeaves leaves = node->GetChildren();
1857
1858 int len_nodes = nodes.GetCount();
1859 int len = leaves.GetCount();
1860 int i = 0, nodes_i = 0;
1861
1862 for(; i < len; i ++ )
1863 {
1864 void * n = leaves[i];
1865 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1866 {
1867 wxDataViewTreeNode * nd = nodes[nodes_i];
1868 nodes_i++;
1869
1870 if( Walker( nd , func ) )
1871 return true;
1872
1873 }
1874 else
1875 switch( func( n ) )
1876 {
1877 case DoJob::OK :
1878 return true;
1879 case DoJob::IGR:
1880 continue;
1881 case DoJob::CONT:
1882 default:
1883 ;
1884 }
1885 }
1886 return false;
1887 }
1888
1889 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1890 {
1891 if (IsVirtualList())
1892 {
1893 wxDataViewVirtualListModel *list_model =
1894 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1895 m_count = list_model->GetCount();
1896 UpdateDisplay();
1897 return true;
1898 }
1899
1900 SortPrepare();
1901
1902 wxDataViewTreeNode * node;
1903 node = FindNode(parent);
1904
1905 if( node == NULL )
1906 return false;
1907
1908 node->SetHasChildren( true );
1909
1910 if( g_model->IsContainer( item ) )
1911 {
1912 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1913 newnode->SetItem(item);
1914 newnode->SetHasChildren( true );
1915 node->AddNode( newnode);
1916 }
1917 else
1918 node->AddLeaf( item.GetID() );
1919
1920 node->ChangeSubTreeCount(1);
1921
1922 m_count = -1;
1923 UpdateDisplay();
1924
1925 return true;
1926 }
1927
1928 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1929
1930 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1931 const wxDataViewItem& item)
1932 {
1933 if (IsVirtualList())
1934 {
1935 wxDataViewVirtualListModel *list_model =
1936 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
1937 m_count = list_model->GetCount();
1938
1939 if( m_currentRow > GetRowCount() )
1940 m_currentRow = m_count - 1;
1941
1942 // TODO: why empty the entire selection?
1943 m_selection.Empty();
1944
1945 UpdateDisplay();
1946
1947 return true;
1948 }
1949
1950 wxDataViewTreeNode * node = FindNode(parent);
1951
1952 wxCHECK_MSG( node != NULL, false, "item not found" );
1953 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
1954 false, "item not found" );
1955
1956 int sub = -1;
1957 node->GetChildren().Remove( item.GetID() );
1958 // Manipolate selection
1959 if( m_selection.GetCount() > 1 )
1960 {
1961 m_selection.Empty();
1962 }
1963 bool isContainer = false;
1964 wxDataViewTreeNodes nds = node->GetNodes();
1965 for (size_t i = 0; i < nds.GetCount(); i ++)
1966 {
1967 if (nds[i]->GetItem() == item)
1968 {
1969 isContainer = true;
1970 break;
1971 }
1972 }
1973 if( isContainer )
1974 {
1975 wxDataViewTreeNode * n = NULL;
1976 wxDataViewTreeNodes nodes = node->GetNodes();
1977 int len = nodes.GetCount();
1978 for( int i = 0; i < len; i ++)
1979 {
1980 if( nodes[i]->GetItem() == item )
1981 {
1982 n = nodes[i];
1983 break;
1984 }
1985 }
1986
1987 wxCHECK_MSG( n != NULL, false, "item not found" );
1988
1989 node->GetNodes().Remove( n );
1990 sub -= n->GetSubTreeCount();
1991 ::DestroyTreeHelper(n);
1992 }
1993 // Make the row number invalid and get a new valid one when user call GetRowCount
1994 m_count = -1;
1995 node->ChangeSubTreeCount(sub);
1996
1997 // Change the current row to the last row if the current exceed the max row number
1998 if( m_currentRow > GetRowCount() )
1999 m_currentRow = m_count - 1;
2000
2001 UpdateDisplay();
2002
2003 return true;
2004 }
2005
2006 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2007 {
2008 SortPrepare();
2009 g_model->Resort();
2010
2011 // Send event
2012 wxWindow *parent = GetParent();
2013 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2014 le.SetEventObject(parent);
2015 le.SetModel(GetOwner()->GetModel());
2016 le.SetItem(item);
2017 parent->GetEventHandler()->ProcessEvent(le);
2018
2019 return true;
2020 }
2021
2022 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2023 {
2024 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2025 /*#define MAX_VIRTUAL_WIDTH 100000
2026
2027 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2028 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2029 Refresh( true, &rect );
2030
2031 return true;
2032 */
2033 SortPrepare();
2034 g_model->Resort();
2035
2036 // Send event
2037 wxWindow *parent = GetParent();
2038 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2039 le.SetEventObject(parent);
2040 le.SetModel(GetOwner()->GetModel());
2041 le.SetItem(item);
2042 le.SetColumn(col);
2043 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2044 parent->GetEventHandler()->ProcessEvent(le);
2045
2046 return true;
2047 }
2048
2049 bool wxDataViewMainWindow::Cleared()
2050 {
2051 DestroyTree();
2052
2053 SortPrepare();
2054 BuildTree( GetOwner()->GetModel() );
2055
2056 UpdateDisplay();
2057
2058 return true;
2059 }
2060
2061 void wxDataViewMainWindow::UpdateDisplay()
2062 {
2063 m_dirty = true;
2064 m_underMouse = NULL;
2065 }
2066
2067 void wxDataViewMainWindow::OnInternalIdle()
2068 {
2069 wxWindow::OnInternalIdle();
2070
2071 if (m_dirty)
2072 {
2073 RecalculateDisplay();
2074 m_dirty = false;
2075 }
2076 }
2077
2078 void wxDataViewMainWindow::RecalculateDisplay()
2079 {
2080 wxDataViewModel *model = GetOwner()->GetModel();
2081 if (!model)
2082 {
2083 Refresh();
2084 return;
2085 }
2086
2087 int width = GetEndOfLastCol();
2088 int height = GetLineStart( GetRowCount() );
2089
2090 SetVirtualSize( width, height );
2091 GetOwner()->SetScrollRate( 10, m_lineHeight );
2092
2093 Refresh();
2094 }
2095
2096 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2097 {
2098 wxWindow::ScrollWindow( dx, dy, rect );
2099
2100 if (GetOwner()->m_headerArea)
2101 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2102 }
2103
2104 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2105 {
2106 int x, y;
2107 m_owner->GetScrollPixelsPerUnit( &x, &y );
2108 int sy = GetLineStart( rows )/y;
2109 int sx = 0;
2110 if( column != -1 )
2111 {
2112 wxRect rect = GetClientRect();
2113 int colnum = 0;
2114 int x_start, w = 0;
2115 int xx, yy, xe;
2116 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2117 for (x_start = 0; colnum < column; colnum++)
2118 {
2119 wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2120 if (col->IsHidden())
2121 continue; // skip it!
2122
2123 w = col->GetWidth();
2124 x_start += w;
2125 }
2126
2127 int x_end = x_start + w;
2128 xe = xx + rect.width;
2129 if( x_end > xe )
2130 {
2131 sx = ( xx + x_end - xe )/x;
2132 }
2133 if( x_start < xx )
2134 {
2135 sx = x_start/x;
2136 }
2137 }
2138 m_owner->Scroll( sx, sy );
2139 }
2140
2141 int wxDataViewMainWindow::GetCountPerPage() const
2142 {
2143 wxSize size = GetClientSize();
2144 return size.y / m_lineHeight;
2145 }
2146
2147 int wxDataViewMainWindow::GetEndOfLastCol() const
2148 {
2149 int width = 0;
2150 unsigned int i;
2151 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2152 {
2153 const wxDataViewColumn *c =
2154 const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2155
2156 if (!c->IsHidden())
2157 width += c->GetWidth();
2158 }
2159 return width;
2160 }
2161
2162 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2163 {
2164 int x = 0;
2165 int y = 0;
2166 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2167
2168 return GetLineAt( y );
2169 }
2170
2171 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2172 {
2173 wxSize client_size = GetClientSize();
2174 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2175 &client_size.x, &client_size.y );
2176
2177 // we should deal with the pixel here
2178 unsigned int row = GetLineAt(client_size.y) - 1;
2179
2180 return wxMin( GetRowCount()-1, row );
2181 }
2182
2183 unsigned int wxDataViewMainWindow::GetRowCount()
2184 {
2185 if ( m_count == -1 )
2186 {
2187 m_count = RecalculateCount();
2188 UpdateDisplay();
2189 }
2190 return m_count;
2191 }
2192
2193 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2194 {
2195 m_currentRow = row;
2196
2197 // send event
2198 }
2199
2200 void wxDataViewMainWindow::SelectAllRows( bool on )
2201 {
2202 if (IsEmpty())
2203 return;
2204
2205 if (on)
2206 {
2207 m_selection.Clear();
2208 for (unsigned int i = 0; i < GetRowCount(); i++)
2209 m_selection.Add( i );
2210 Refresh();
2211 }
2212 else
2213 {
2214 unsigned int first_visible = GetFirstVisibleRow();
2215 unsigned int last_visible = GetLastVisibleRow();
2216 unsigned int i;
2217 for (i = 0; i < m_selection.GetCount(); i++)
2218 {
2219 unsigned int row = m_selection[i];
2220 if ((row >= first_visible) && (row <= last_visible))
2221 RefreshRow( row );
2222 }
2223 m_selection.Clear();
2224 }
2225 }
2226
2227 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2228 {
2229 if (m_selection.Index( row ) == wxNOT_FOUND)
2230 {
2231 if (on)
2232 {
2233 m_selection.Add( row );
2234 RefreshRow( row );
2235 }
2236 }
2237 else
2238 {
2239 if (!on)
2240 {
2241 m_selection.Remove( row );
2242 RefreshRow( row );
2243 }
2244 }
2245 }
2246
2247 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2248 {
2249 if (from > to)
2250 {
2251 unsigned int tmp = from;
2252 from = to;
2253 to = tmp;
2254 }
2255
2256 unsigned int i;
2257 for (i = from; i <= to; i++)
2258 {
2259 if (m_selection.Index( i ) == wxNOT_FOUND)
2260 {
2261 if (on)
2262 m_selection.Add( i );
2263 }
2264 else
2265 {
2266 if (!on)
2267 m_selection.Remove( i );
2268 }
2269 }
2270 RefreshRows( from, to );
2271 }
2272
2273 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2274 {
2275 for (size_t i=0; i < aSelections.GetCount(); i++)
2276 {
2277 int n = aSelections[i];
2278
2279 m_selection.Add( n );
2280 RefreshRow( n );
2281 }
2282 }
2283
2284 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2285 {
2286 if (m_selection.Index( row ) == wxNOT_FOUND)
2287 m_selection.Add( row );
2288 else
2289 m_selection.Remove( row );
2290 RefreshRow( row );
2291 }
2292
2293 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2294 {
2295 return (m_selection.Index( row ) != wxNOT_FOUND);
2296 }
2297
2298 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2299 {
2300 wxWindow *parent = GetParent();
2301 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2302
2303 le.SetEventObject(parent);
2304 le.SetModel(GetOwner()->GetModel());
2305 le.SetItem( item );
2306
2307 parent->GetEventHandler()->ProcessEvent(le);
2308 }
2309
2310 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2311 {
2312 wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2313 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2314
2315 wxSize client_size = GetClientSize();
2316 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2317 wxRect intersect_rect = client_rect.Intersect( rect );
2318 if (intersect_rect.width > 0)
2319 Refresh( true, &intersect_rect );
2320 }
2321
2322 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2323 {
2324 if (from > to)
2325 {
2326 unsigned int tmp = to;
2327 to = from;
2328 from = tmp;
2329 }
2330
2331 wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2332 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2333
2334 wxSize client_size = GetClientSize();
2335 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2336 wxRect intersect_rect = client_rect.Intersect( rect );
2337 if (intersect_rect.width > 0)
2338 Refresh( true, &intersect_rect );
2339 }
2340
2341 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2342 {
2343 wxSize client_size = GetClientSize();
2344 int start = GetLineStart( firstRow );
2345 m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2346 if (start > client_size.y) return;
2347
2348 wxRect rect( 0, start, client_size.x, client_size.y - start );
2349
2350 Refresh( true, &rect );
2351 }
2352
2353 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2354 {
2355 wxCHECK_RET( newCurrent < GetRowCount(),
2356 wxT("invalid item index in OnArrowChar()") );
2357
2358 // if there is no selection, we cannot move it anywhere
2359 if (!HasCurrentRow())
2360 return;
2361
2362 unsigned int oldCurrent = m_currentRow;
2363
2364 // in single selection we just ignore Shift as we can't select several
2365 // items anyhow
2366 if ( event.ShiftDown() && !IsSingleSel() )
2367 {
2368 RefreshRow( oldCurrent );
2369
2370 ChangeCurrentRow( newCurrent );
2371
2372 // select all the items between the old and the new one
2373 if ( oldCurrent > newCurrent )
2374 {
2375 newCurrent = oldCurrent;
2376 oldCurrent = m_currentRow;
2377 }
2378
2379 SelectRows( oldCurrent, newCurrent, true );
2380 if (oldCurrent!=newCurrent)
2381 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2382 }
2383 else // !shift
2384 {
2385 RefreshRow( oldCurrent );
2386
2387 // all previously selected items are unselected unless ctrl is held
2388 if ( !event.ControlDown() )
2389 SelectAllRows(false);
2390
2391 ChangeCurrentRow( newCurrent );
2392
2393 if ( !event.ControlDown() )
2394 {
2395 SelectRow( m_currentRow, true );
2396 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2397 }
2398 else
2399 RefreshRow( m_currentRow );
2400 }
2401
2402 GetOwner()->EnsureVisible( m_currentRow, -1 );
2403 }
2404
2405 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2406 {
2407 wxRect rect;
2408 rect.x = 0;
2409 rect.y = GetLineStart( row );
2410 rect.width = GetEndOfLastCol();
2411 rect.height = GetLineHeight( row );
2412
2413 return rect;
2414 }
2415
2416 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2417 {
2418 const wxDataViewModel *model = GetOwner()->GetModel();
2419
2420 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2421 {
2422 // TODO make more efficient
2423
2424 int start = 0;
2425
2426 unsigned int r;
2427 for (r = 0; r < row; r++)
2428 {
2429 const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2430 if (!node) return start;
2431
2432 wxDataViewItem item = node->GetItem();
2433
2434 if (node && !node->HasChildren())
2435 {
2436 // Yes, if the node does not have any child, it must be a leaf which
2437 // mean that it is a temporarily created by GetTreeNodeByRow
2438 wxDELETE(node);
2439 }
2440
2441 unsigned int cols = GetOwner()->GetColumnCount();
2442 unsigned int col;
2443 int height = m_lineHeight;
2444 for (col = 0; col < cols; col++)
2445 {
2446 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2447 if (column->IsHidden())
2448 continue; // skip it!
2449
2450 if ((col != 0) &&
2451 model->IsContainer(item) &&
2452 !model->HasContainerColumns(item))
2453 continue; // skip it!
2454
2455 wxVariant value;
2456 model->GetValue( value, item, column->GetModelColumn() );
2457
2458 wxDataViewRenderer *renderer =
2459 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2460 renderer->SetValue( value );
2461 height = wxMax( height, renderer->GetSize().y );
2462 }
2463
2464 start += height;
2465 }
2466
2467 return start;
2468 }
2469 else
2470 {
2471 return row * m_lineHeight;
2472 }
2473 }
2474
2475 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2476 {
2477 const wxDataViewModel *model = GetOwner()->GetModel();
2478
2479 // check for the easy case first
2480 if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2481 return y / m_lineHeight;
2482
2483 // TODO make more efficient
2484 unsigned int row = 0;
2485 unsigned int yy = 0;
2486 for (;;)
2487 {
2488 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2489 if (!node)
2490 {
2491 // not really correct...
2492 return row + ((y-yy) / m_lineHeight);
2493 }
2494
2495 wxDataViewItem item = node->GetItem();
2496
2497 if (node && !node->HasChildren())
2498 {
2499 // Yes, if the node does not have any child, it must be a leaf which
2500 // mean that it is a temporarily created by GetTreeNodeByRow
2501 wxDELETE(node);
2502 }
2503
2504 unsigned int cols = GetOwner()->GetColumnCount();
2505 unsigned int col;
2506 int height = m_lineHeight;
2507 for (col = 0; col < cols; col++)
2508 {
2509 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2510 if (column->IsHidden())
2511 continue; // skip it!
2512
2513 if ((col != 0) &&
2514 model->IsContainer(item) &&
2515 !model->HasContainerColumns(item))
2516 continue; // skip it!
2517
2518 wxVariant value;
2519 model->GetValue( value, item, column->GetModelColumn() );
2520
2521 wxDataViewRenderer *renderer =
2522 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2523 renderer->SetValue( value );
2524 height = wxMax( height, renderer->GetSize().y );
2525 }
2526
2527 yy += height;
2528 if (y < yy)
2529 return row;
2530
2531 row++;
2532 }
2533 }
2534
2535 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2536 {
2537 const wxDataViewModel *model = GetOwner()->GetModel();
2538
2539 if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2540 {
2541 wxASSERT( !IsVirtualList() );
2542
2543 const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2544 // wxASSERT( node );
2545 if (!node) return m_lineHeight;
2546
2547 wxDataViewItem item = node->GetItem();
2548
2549 if (node && !node->HasChildren())
2550 {
2551 // Yes, if the node does not have any child, it must be a leaf which
2552 // mean that it is a temporarily created by GetTreeNodeByRow
2553 wxDELETE(node);
2554 }
2555
2556 int height = m_lineHeight;
2557
2558 unsigned int cols = GetOwner()->GetColumnCount();
2559 unsigned int col;
2560 for (col = 0; col < cols; col++)
2561 {
2562 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2563 if (column->IsHidden())
2564 continue; // skip it!
2565
2566 if ((col != 0) &&
2567 model->IsContainer(item) &&
2568 !model->HasContainerColumns(item))
2569 continue; // skip it!
2570
2571 wxVariant value;
2572 model->GetValue( value, item, column->GetModelColumn() );
2573
2574 wxDataViewRenderer *renderer =
2575 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2576 renderer->SetValue( value );
2577 height = wxMax( height, renderer->GetSize().y );
2578 }
2579
2580 return height;
2581 }
2582 else
2583 {
2584 return m_lineHeight;
2585 }
2586 }
2587
2588 class RowToItemJob: public DoJob
2589 {
2590 public:
2591 RowToItemJob( unsigned int row , int current )
2592 { this->row = row; this->current = current; }
2593 virtual ~RowToItemJob() {}
2594
2595 virtual int operator() ( wxDataViewTreeNode * node )
2596 {
2597 current ++;
2598 if( current == static_cast<int>(row))
2599 {
2600 ret = node->GetItem();
2601 return DoJob::OK;
2602 }
2603
2604 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2605 {
2606 current += node->GetSubTreeCount();
2607 return DoJob::IGR;
2608 }
2609 else
2610 {
2611 // If the current has no child node, we can find the desired item of the row
2612 // number directly.
2613 // This if can speed up finding in some case, and will has a very good effect
2614 // when it comes to list view
2615 if( node->GetNodes().GetCount() == 0)
2616 {
2617 int index = static_cast<int>(row) - current - 1;
2618 ret = node->GetChildren().Item( index );
2619 return DoJob::OK;
2620 }
2621 return DoJob::CONT;
2622 }
2623 }
2624
2625 virtual int operator() ( void * n )
2626 {
2627 current ++;
2628 if( current == static_cast<int>(row))
2629 {
2630 ret = wxDataViewItem( n );
2631 return DoJob::OK;
2632 }
2633 return DoJob::CONT;
2634 }
2635
2636 wxDataViewItem GetResult() const
2637 { return ret; }
2638
2639 private:
2640 unsigned int row;
2641 int current;
2642 wxDataViewItem ret;
2643 };
2644
2645 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2646 {
2647 if (IsVirtualList())
2648 {
2649 return wxDataViewItem( wxUIntToPtr(row+1) );
2650 }
2651 else
2652 {
2653 RowToItemJob job( row, -2 );
2654 Walker( m_root , job );
2655 return job.GetResult();
2656 }
2657 }
2658
2659 class RowToTreeNodeJob: public DoJob
2660 {
2661 public:
2662 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2663 {
2664 this->row = row;
2665 this->current = current;
2666 ret = NULL;
2667 parent = node;
2668 }
2669 virtual ~RowToTreeNodeJob(){ }
2670
2671 virtual int operator() ( wxDataViewTreeNode * node )
2672 {
2673 current ++;
2674 if( current == static_cast<int>(row))
2675 {
2676 ret = node;
2677 return DoJob::OK;
2678 }
2679
2680 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2681 {
2682 current += node->GetSubTreeCount();
2683 return DoJob::IGR;
2684 }
2685 else
2686 {
2687 parent = node;
2688
2689 // If the current node has no children, we can find the desired item of the
2690 // row number directly.
2691 // This if can speed up finding in some case, and will have a very good
2692 // effect for list views.
2693 if( node->GetNodes().GetCount() == 0)
2694 {
2695 int index = static_cast<int>(row) - current - 1;
2696 void * n = node->GetChildren().Item( index );
2697 ret = new wxDataViewTreeNode( parent );
2698 ret->SetItem( wxDataViewItem( n ));
2699 ret->SetHasChildren(false);
2700 return DoJob::OK;
2701 }
2702 return DoJob::CONT;
2703 }
2704 }
2705
2706 virtual int operator() ( void * n )
2707 {
2708 current ++;
2709 if( current == static_cast<int>(row))
2710 {
2711 ret = new wxDataViewTreeNode( parent );
2712 ret->SetItem( wxDataViewItem( n ));
2713 ret->SetHasChildren(false);
2714 return DoJob::OK;
2715 }
2716
2717 return DoJob::CONT;
2718 }
2719
2720 wxDataViewTreeNode * GetResult() const
2721 { return ret; }
2722
2723 private:
2724 unsigned int row;
2725 int current;
2726 wxDataViewTreeNode * ret;
2727 wxDataViewTreeNode * parent;
2728 };
2729
2730 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2731 {
2732 wxASSERT( !IsVirtualList() );
2733
2734 RowToTreeNodeJob job( row , -2, m_root );
2735 Walker( m_root , job );
2736 return job.GetResult();
2737 }
2738
2739 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2740 const wxDataViewItem & item )
2741 {
2742 wxWindow *parent = GetParent();
2743 wxDataViewEvent le(type, parent->GetId());
2744
2745 le.SetEventObject(parent);
2746 le.SetModel(GetOwner()->GetModel());
2747 le.SetItem( item );
2748
2749 parent->GetEventHandler()->ProcessEvent(le);
2750 return le;
2751 }
2752
2753 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2754 {
2755 if (IsVirtualList())
2756 return false;
2757
2758 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2759 if (!node)
2760 return false;
2761
2762 if (!node->HasChildren())
2763 {
2764 delete node;
2765 return false;
2766 }
2767
2768 return node->IsOpen();
2769 }
2770
2771 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2772 {
2773 if (IsVirtualList())
2774 return false;
2775
2776 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2777 if (!node)
2778 return false;
2779
2780 if (!node->HasChildren())
2781 {
2782 delete node;
2783 return false;
2784 }
2785
2786 return true;
2787 }
2788
2789 void wxDataViewMainWindow::Expand( unsigned int row )
2790 {
2791 if (IsVirtualList())
2792 return;
2793
2794 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2795 if (!node)
2796 return;
2797
2798 if (!node->HasChildren())
2799 {
2800 delete node;
2801 return;
2802 }
2803
2804 if (!node->IsOpen())
2805 {
2806 wxDataViewEvent e =
2807 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2808
2809 // Check if the user prevent expanding
2810 if( e.GetSkipped() )
2811 return;
2812
2813 node->ToggleOpen();
2814
2815 // build the children of current node
2816 if( node->GetChildrenNumber() == 0 )
2817 {
2818 SortPrepare();
2819 ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2820 }
2821
2822 // By expanding the node all row indices that are currently in the selection list
2823 // and are greater than our node have become invalid. So we have to correct that now.
2824 const unsigned rowAdjustment = node->GetSubTreeCount();
2825 for(unsigned i=0; i<m_selection.size(); ++i)
2826 {
2827 const unsigned testRow = m_selection[i];
2828 // all rows above us are not affected, so skip them
2829 if(testRow <= row)
2830 continue;
2831
2832 m_selection[i] += rowAdjustment;
2833 }
2834
2835 if(m_currentRow > row)
2836 ChangeCurrentRow(m_currentRow + rowAdjustment);
2837
2838 m_count = -1;
2839 UpdateDisplay();
2840 // Send the expanded event
2841 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2842 }
2843 }
2844
2845 void wxDataViewMainWindow::Collapse(unsigned int row)
2846 {
2847 if (IsVirtualList())
2848 return;
2849
2850 wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2851 if (!node)
2852 return;
2853
2854 if (!node->HasChildren())
2855 {
2856 delete node;
2857 return;
2858 }
2859
2860 if (node->IsOpen())
2861 {
2862 wxDataViewEvent e =
2863 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2864 if( e.GetSkipped() )
2865 return;
2866
2867 // Find out if there are selected items below the current node.
2868 bool selectCollapsingRow = false;
2869 const unsigned rowAdjustment = node->GetSubTreeCount();
2870 unsigned maxRowToBeTested = row + rowAdjustment;
2871 for(unsigned i=0; i<m_selection.size(); ++i)
2872 {
2873 const unsigned testRow = m_selection[i];
2874 if(testRow > row && testRow <= maxRowToBeTested)
2875 {
2876 selectCollapsingRow = true;
2877 // get out as soon as we have found a node that is selected
2878 break;
2879 }
2880 }
2881
2882 node->ToggleOpen();
2883
2884 // If the node to be closed has selected items the user won't see those any longer.
2885 // We select the collapsing node in this case.
2886 if(selectCollapsingRow)
2887 {
2888 SelectAllRows(false);
2889 ChangeCurrentRow(row);
2890 SelectRow(row, true);
2891 SendSelectionChangedEvent(GetItemByRow(row));
2892 }
2893 else
2894 {
2895 // if there were no selected items below our node we still need to "fix" the
2896 // selection list to adjust for the changing of the row indices.
2897 // We actually do the opposite of what we are doing in Expand().
2898 for(unsigned i=0; i<m_selection.size(); ++i)
2899 {
2900 const unsigned testRow = m_selection[i];
2901 // all rows above us are not affected, so skip them
2902 if(testRow <= row)
2903 continue;
2904
2905 m_selection[i] -= rowAdjustment;
2906 }
2907
2908 // if the "current row" is being collapsed away we change it to the current row ;-)
2909 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2910 ChangeCurrentRow(row);
2911 else if(m_currentRow > row)
2912 ChangeCurrentRow(m_currentRow - rowAdjustment);
2913 }
2914
2915 m_count = -1;
2916 UpdateDisplay();
2917 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
2918 }
2919 }
2920
2921 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2922 {
2923 wxDataViewModel * model = GetOwner()->GetModel();
2924 if( model == NULL )
2925 return NULL;
2926
2927 if (!item.IsOk())
2928 return m_root;
2929
2930 // Compose the a parent-chain of the finding item
2931 ItemList list;
2932 list.DeleteContents( true );
2933 wxDataViewItem it( item );
2934 while( it.IsOk() )
2935 {
2936 wxDataViewItem * pItem = new wxDataViewItem( it );
2937 list.Insert( pItem );
2938 it = model->GetParent( it );
2939 }
2940
2941 // Find the item along the parent-chain.
2942 // This algorithm is designed to speed up the node-finding method
2943 wxDataViewTreeNode * node = m_root;
2944 for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2945 {
2946 if( node->HasChildren() )
2947 {
2948 if( node->GetChildrenNumber() == 0 )
2949 {
2950 SortPrepare();
2951 ::BuildTreeHelper(model, node->GetItem(), node);
2952 }
2953
2954 wxDataViewTreeNodes nodes = node->GetNodes();
2955 unsigned int i;
2956 bool found = false;
2957
2958 for (i = 0; i < nodes.GetCount(); i ++)
2959 {
2960 if (nodes[i]->GetItem() == (**iter))
2961 {
2962 if (nodes[i]->GetItem() == item)
2963 return nodes[i];
2964
2965 node = nodes[i];
2966 found = true;
2967 break;
2968 }
2969 }
2970 if (!found)
2971 return NULL;
2972 }
2973 else
2974 return NULL;
2975 }
2976 return NULL;
2977 }
2978
2979 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
2980 wxDataViewColumn* &column )
2981 {
2982 wxDataViewColumn *col = NULL;
2983 unsigned int cols = GetOwner()->GetColumnCount();
2984 unsigned int colnum = 0;
2985 int x, y;
2986 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2987 for (unsigned x_start = 0; colnum < cols; colnum++)
2988 {
2989 col = GetOwner()->GetColumnAt(colnum);
2990 if (col->IsHidden())
2991 continue; // skip it!
2992
2993 unsigned int w = col->GetWidth();
2994 if (x_start+w >= (unsigned int)x)
2995 break;
2996
2997 x_start += w;
2998 }
2999
3000 column = col;
3001 item = GetItemByRow( GetLineAt( y ) );
3002 }
3003
3004 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3005 const wxDataViewColumn* column )
3006 {
3007 int xpos = 0;
3008 int width = 0;
3009
3010 unsigned int cols = GetOwner()->GetColumnCount();
3011 // If column is null the loop will compute the combined width of all columns.
3012 // Otherwise, it will compute the x position of the column we are looking for.
3013 for (unsigned int i = 0; i < cols; i++)
3014 {
3015 wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3016
3017 if (col == column)
3018 break;
3019
3020 if (col->IsHidden())
3021 continue; // skip it!
3022
3023 xpos += col->GetWidth();
3024 width += col->GetWidth();
3025 }
3026
3027 if(column != 0)
3028 {
3029 // If we have a column, we need can get its width directly.
3030 if(column->IsHidden())
3031 width = 0;
3032 else
3033 width = column->GetWidth();
3034
3035 }
3036 else
3037 {
3038 // If we have no column, we reset the x position back to zero.
3039 xpos = 0;
3040 }
3041
3042 // we have to take an expander column into account and compute its indentation
3043 // to get the correct x position where the actual text is
3044 int indent = 0;
3045 int row = GetRowByItem(item);
3046 if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3047 {
3048 wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3049 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3050 indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3051
3052 if(!node->HasChildren())
3053 delete node;
3054 }
3055
3056 wxRect itemRect( xpos + indent,
3057 GetLineStart( row ),
3058 width - indent,
3059 GetLineHeight( row ) );
3060
3061 GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
3062 &itemRect.x, &itemRect.y );
3063
3064 return itemRect;
3065 }
3066
3067 int wxDataViewMainWindow::RecalculateCount()
3068 {
3069 if (IsVirtualList())
3070 {
3071 wxDataViewVirtualListModel *list_model =
3072 (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3073
3074 return list_model->GetCount();
3075 }
3076 else
3077 {
3078 return m_root->GetSubTreeCount();
3079 }
3080 }
3081
3082 class ItemToRowJob : public DoJob
3083 {
3084 public:
3085 ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3086 : m_iter(iter),
3087 item(item_)
3088 {
3089 ret = -1;
3090 }
3091
3092 // Maybe binary search will help to speed up this process
3093 virtual int operator() ( wxDataViewTreeNode * node)
3094 {
3095 ret ++;
3096 if( node->GetItem() == item )
3097 {
3098 return DoJob::OK;
3099 }
3100
3101 if( node->GetItem() == **m_iter )
3102 {
3103 m_iter++;
3104 return DoJob::CONT;
3105 }
3106 else
3107 {
3108 ret += node->GetSubTreeCount();
3109 return DoJob::IGR;
3110 }
3111
3112 }
3113
3114 virtual int operator() ( void * n )
3115 {
3116 ret ++;
3117 if( n == item.GetID() )
3118 return DoJob::OK;
3119 return DoJob::CONT;
3120 }
3121
3122 // the row number is begin from zero
3123 int GetResult() const
3124 { return ret -1; }
3125
3126 private:
3127 ItemList::const_iterator m_iter;
3128 wxDataViewItem item;
3129 int ret;
3130
3131 };
3132
3133 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3134 {
3135 const wxDataViewModel * model = GetOwner()->GetModel();
3136 if( model == NULL )
3137 return -1;
3138
3139 if (IsVirtualList())
3140 {
3141 return wxPtrToUInt( item.GetID() ) -1;
3142 }
3143 else
3144 {
3145 if( !item.IsOk() )
3146 return -1;
3147
3148 // Compose the a parent-chain of the finding item
3149 ItemList list;
3150 wxDataViewItem * pItem;
3151 list.DeleteContents( true );
3152 wxDataViewItem it( item );
3153 while( it.IsOk() )
3154 {
3155 pItem = new wxDataViewItem( it );
3156 list.Insert( pItem );
3157 it = model->GetParent( it );
3158 }
3159 pItem = new wxDataViewItem( );
3160 list.Insert( pItem );
3161
3162 ItemToRowJob job( item, list.begin() );
3163 Walker(m_root , job );
3164 return job.GetResult();
3165 }
3166 }
3167
3168 static void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item,
3169 wxDataViewTreeNode * node)
3170 {
3171 if( !model->IsContainer( item ) )
3172 return;
3173
3174 wxDataViewItemArray children;
3175 unsigned int num = model->GetChildren( item, children);
3176
3177 unsigned int index = 0;
3178 while( index < num )
3179 {
3180 if( model->IsContainer( children[index] ) )
3181 {
3182 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3183 n->SetItem(children[index]);
3184 n->SetHasChildren( true );
3185 node->AddNode( n );
3186 }
3187 else
3188 {
3189 node->AddLeaf( children[index].GetID() );
3190 }
3191 index ++;
3192 }
3193 node->SetSubTreeCount( num );
3194 wxDataViewTreeNode * n = node->GetParent();
3195 if( n != NULL)
3196 n->ChangeSubTreeCount(num);
3197
3198 }
3199
3200 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3201 {
3202 DestroyTree();
3203
3204 if (GetOwner()->GetModel()->IsVirtualListModel())
3205 {
3206 m_count = -1;
3207 return;
3208 }
3209
3210 m_root = new wxDataViewTreeNode( NULL );
3211 m_root->SetHasChildren(true);
3212
3213 // First we define a invalid item to fetch the top-level elements
3214 wxDataViewItem item;
3215 SortPrepare();
3216 BuildTreeHelper( model, item, m_root);
3217 m_count = -1;
3218 }
3219
3220 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3221 {
3222 if( node->GetNodeNumber() != 0 )
3223 {
3224 int len = node->GetNodeNumber();
3225 wxDataViewTreeNodes& nodes = node->GetNodes();
3226 for (int i = 0; i < len; i++)
3227 DestroyTreeHelper(nodes[i]);
3228 }
3229 delete node;
3230 }
3231
3232 void wxDataViewMainWindow::DestroyTree()
3233 {
3234 if (!IsVirtualList())
3235 {
3236 ::DestroyTreeHelper(m_root);
3237 m_count = 0;
3238 m_root = NULL;
3239 }
3240 }
3241
3242 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3243 {
3244 if ( GetParent()->HandleAsNavigationKey(event) )
3245 return;
3246
3247 // no item -> nothing to do
3248 if (!HasCurrentRow())
3249 {
3250 event.Skip();
3251 return;
3252 }
3253
3254 // don't use m_linesPerPage directly as it might not be computed yet
3255 const int pageSize = GetCountPerPage();
3256 wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3257
3258 switch ( event.GetKeyCode() )
3259 {
3260 case WXK_RETURN:
3261 {
3262 wxWindow *parent = GetParent();
3263 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3264 parent->GetId());
3265 le.SetItem( GetItemByRow(m_currentRow) );
3266 le.SetEventObject(parent);
3267 le.SetModel(GetOwner()->GetModel());
3268
3269 parent->GetEventHandler()->ProcessEvent(le);
3270 }
3271 break;
3272
3273 case WXK_UP:
3274 if ( m_currentRow > 0 )
3275 OnArrowChar( m_currentRow - 1, event );
3276 break;
3277
3278 case WXK_DOWN:
3279 if ( m_currentRow < GetRowCount() - 1 )
3280 OnArrowChar( m_currentRow + 1, event );
3281 break;
3282 // Add the process for tree expanding/collapsing
3283 case WXK_LEFT:
3284 {
3285 if (IsVirtualList())
3286 break;
3287
3288 wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3289 if (!node)
3290 break;
3291
3292 if (node->HasChildren() && node->IsOpen())
3293 {
3294 Collapse(m_currentRow);
3295 }
3296 else // if the node is already closed we move the selection to its parent
3297 {
3298 wxDataViewTreeNode *parent_node = node->GetParent();
3299
3300 if(!node->HasChildren())
3301 delete node;
3302
3303 if (parent_node)
3304 {
3305 int parent = GetRowByItem( parent_node->GetItem() );
3306 if ( parent >= 0 )
3307 {
3308 unsigned int row = m_currentRow;
3309 SelectRow( row, false);
3310 SelectRow( parent, true );
3311 ChangeCurrentRow( parent );
3312 GetOwner()->EnsureVisible( parent, -1 );
3313 SendSelectionChangedEvent( parent_node->GetItem() );
3314 }
3315 }
3316 }
3317 break;
3318 }
3319 case WXK_RIGHT:
3320 {
3321 if (!IsExpanded( m_currentRow ))
3322 Expand( m_currentRow );
3323 else
3324 {
3325 unsigned int row = m_currentRow;
3326 SelectRow( row, false );
3327 SelectRow( row + 1, true );
3328 ChangeCurrentRow( row + 1 );
3329 GetOwner()->EnsureVisible( row + 1, -1 );
3330 SendSelectionChangedEvent( GetItemByRow(row+1) );
3331 }
3332 break;
3333 }
3334 case WXK_END:
3335 {
3336 if (!IsEmpty())
3337 OnArrowChar( GetRowCount() - 1, event );
3338 break;
3339 }
3340 case WXK_HOME:
3341 if (!IsEmpty())
3342 OnArrowChar( 0, event );
3343 break;
3344
3345 case WXK_PAGEUP:
3346 {
3347 int steps = pageSize - 1;
3348 int index = m_currentRow - steps;
3349 if (index < 0)
3350 index = 0;
3351
3352 OnArrowChar( index, event );
3353 }
3354 break;
3355
3356 case WXK_PAGEDOWN:
3357 {
3358 int steps = pageSize - 1;
3359 unsigned int index = m_currentRow + steps;
3360 unsigned int count = GetRowCount();
3361 if ( index >= count )
3362 index = count - 1;
3363
3364 OnArrowChar( index, event );
3365 }
3366 break;
3367
3368 case WXK_F2:
3369 {
3370 if(m_selection.size() == 1)
3371 {
3372 // TODO: we need to revise that when we have a concept for a 'current column'
3373 GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3374 }
3375 }
3376 break;
3377
3378 default:
3379 event.Skip();
3380 }
3381 }
3382
3383 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3384 {
3385 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3386 {
3387 // let the base handle mouse wheel events.
3388 event.Skip();
3389 return;
3390 }
3391
3392 int x = event.GetX();
3393 int y = event.GetY();
3394 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3395 wxDataViewColumn *col = NULL;
3396
3397 int xpos = 0;
3398 unsigned int cols = GetOwner()->GetColumnCount();
3399 unsigned int i;
3400 for (i = 0; i < cols; i++)
3401 {
3402 wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3403 if (c->IsHidden())
3404 continue; // skip it!
3405
3406 if (x < xpos + c->GetWidth())
3407 {
3408 col = c;
3409 break;
3410 }
3411 xpos += c->GetWidth();
3412 }
3413 if (!col)
3414 return;
3415
3416 wxDataViewRenderer *cell = col->GetRenderer();
3417 unsigned int current = GetLineAt( y );
3418 if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3419 {
3420 // Unselect all if below the last row ?
3421 return;
3422 }
3423
3424 // Test whether the mouse is hovered on the tree item button
3425 bool hoverOverExpander = false;
3426 if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3427 {
3428 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3429 if( node!=NULL && node->HasChildren() )
3430 {
3431 int indent = node->GetIndentLevel();
3432 indent = GetOwner()->GetIndent()*indent;
3433
3434 // we make the rectangle we are looking in a bit bigger than the actual
3435 // visual expander so the user can hit that little thing reliably
3436 wxRect rect( xpos + indent,
3437 GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3438 m_lineHeight, m_lineHeight);
3439 if( rect.Contains(x, y) )
3440 {
3441 // So the mouse is over the expander
3442 hoverOverExpander = true;
3443 if (m_underMouse && m_underMouse != node)
3444 {
3445 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3446 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3447 }
3448 if (m_underMouse != node)
3449 {
3450 // wxLogMessage("Do the row: %d", current);
3451 RefreshRow(current);
3452 }
3453 m_underMouse = node;
3454 }
3455 }
3456 if (node!=NULL && !node->HasChildren())
3457 delete node;
3458 }
3459 if (!hoverOverExpander)
3460 {
3461 if (m_underMouse != NULL)
3462 {
3463 // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3464 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3465 m_underMouse = NULL;
3466 }
3467 }
3468
3469 wxDataViewModel *model = GetOwner()->GetModel();
3470
3471 #if wxUSE_DRAG_AND_DROP
3472 if (event.Dragging())
3473 {
3474 if (m_dragCount == 0)
3475 {
3476 // we have to report the raw, physical coords as we want to be
3477 // able to call HitTest(event.m_pointDrag) from the user code to
3478 // get the item being dragged
3479 m_dragStart = event.GetPosition();
3480 }
3481
3482 m_dragCount++;
3483
3484 if (m_dragCount != 3)
3485 return;
3486
3487 if (event.LeftIsDown())
3488 {
3489 m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3490 &m_dragStart.x, &m_dragStart.y );
3491 unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3492 wxDataViewItem item = GetItemByRow( drag_item_row );
3493
3494 // Notify cell about drag
3495 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3496 event.SetEventObject( m_owner );
3497 event.SetItem( item );
3498 event.SetModel( model );
3499 if (!m_owner->HandleWindowEvent( event ))
3500 return;
3501
3502 if (!event.IsAllowed())
3503 return;
3504
3505 wxDataObject *obj = event.GetDataObject();
3506 if (!obj)
3507 return;
3508
3509 wxDataViewDropSource drag( this, drag_item_row );
3510 drag.SetData( *obj );
3511 /* wxDragResult res = */ drag.DoDragDrop();
3512 delete obj;
3513 }
3514 return;
3515 }
3516 else
3517 {
3518 m_dragCount = 0;
3519 }
3520 #endif // wxUSE_DRAG_AND_DROP
3521
3522 bool simulateClick = false;
3523
3524 if (event.ButtonDClick())
3525 {
3526 m_renameTimer->Stop();
3527 m_lastOnSame = false;
3528 }
3529
3530 wxDataViewItem item = GetItemByRow(current);
3531 bool ignore_other_columns =
3532 ((GetOwner()->GetExpanderColumn() != col) &&
3533 (model->IsContainer(item)) &&
3534 (!model->HasContainerColumns(item)));
3535
3536 if (event.LeftDClick())
3537 {
3538 if(hoverOverExpander)
3539 {
3540 // a double click on the expander will be converted into a "simulated" normal click
3541 simulateClick = true;
3542 }
3543 else if ( current == m_lineLastClicked )
3544 {
3545 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3546 {
3547 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3548 {
3549 wxVariant value;
3550 model->GetValue( value, item, col->GetModelColumn() );
3551 custom->SetValue( value );
3552 wxRect cell_rect( xpos, GetLineStart( current ),
3553 col->GetWidth(), GetLineHeight( current ) );
3554 custom->Activate( cell_rect, model, item, col->GetModelColumn() );
3555 }
3556 }
3557 else
3558 {
3559 wxWindow *parent = GetParent();
3560 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3561 le.SetItem( item );
3562 le.SetEventObject(parent);
3563 le.SetModel(GetOwner()->GetModel());
3564
3565 parent->GetEventHandler()->ProcessEvent(le);
3566 }
3567 return;
3568 }
3569 else
3570 {
3571 // The first click was on another item, so don't interpret this as
3572 // a double click, but as a simple click instead
3573 simulateClick = true;
3574 }
3575 }
3576
3577 if (event.LeftUp() && !hoverOverExpander)
3578 {
3579 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3580 {
3581 // select single line
3582 SelectAllRows( false );
3583 SelectRow( m_lineSelectSingleOnUp, true );
3584 SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3585 }
3586
3587 // If the user click the expander, we do not do editing even if the column
3588 // with expander are editable
3589 if (m_lastOnSame && !ignore_other_columns)
3590 {
3591 if ((col == m_currentCol) && (current == m_currentRow) &&
3592 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3593 {
3594 m_renameTimer->Start( 100, true );
3595 }
3596 }
3597
3598 m_lastOnSame = false;
3599 m_lineSelectSingleOnUp = (unsigned int)-1;
3600 }
3601 else if(!event.LeftUp())
3602 {
3603 // This is necessary, because after a DnD operation in
3604 // from and to ourself, the up event is swallowed by the
3605 // DnD code. So on next non-up event (which means here and
3606 // now) m_lineSelectSingleOnUp should be reset.
3607 m_lineSelectSingleOnUp = (unsigned int)-1;
3608 }
3609
3610 if (event.RightDown())
3611 {
3612 m_lineBeforeLastClicked = m_lineLastClicked;
3613 m_lineLastClicked = current;
3614
3615 // If the item is already selected, do not update the selection.
3616 // Multi-selections should not be cleared if a selected item is clicked.
3617 if (!IsRowSelected(current))
3618 {
3619 SelectAllRows(false);
3620 ChangeCurrentRow(current);
3621 SelectRow(m_currentRow,true);
3622 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3623 }
3624 }
3625 else if (event.RightUp())
3626 {
3627 wxVariant value;
3628 model->GetValue( value, item, col->GetModelColumn() );
3629 wxWindow *parent = GetParent();
3630 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3631 le.SetItem( item );
3632 le.SetEventObject(parent);
3633 le.SetModel(GetOwner()->GetModel());
3634 le.SetValue(value);
3635 parent->GetEventHandler()->ProcessEvent(le);
3636 }
3637 else if (event.MiddleDown())
3638 {
3639 }
3640
3641 if((event.LeftDown() || simulateClick) && hoverOverExpander)
3642 {
3643 wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3644
3645 // hoverOverExpander being true tells us that our node must be
3646 // valid and have children.
3647 // So we don't need any extra checks.
3648 if( node->IsOpen() )
3649 Collapse(current);
3650 else
3651 Expand(current);
3652 }
3653 else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3654 {
3655 SetFocus();
3656
3657 m_lineBeforeLastClicked = m_lineLastClicked;
3658 m_lineLastClicked = current;
3659
3660 unsigned int oldCurrentRow = m_currentRow;
3661 bool oldWasSelected = IsRowSelected(m_currentRow);
3662
3663 bool cmdModifierDown = event.CmdDown();
3664 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3665 {
3666 if ( IsSingleSel() || !IsRowSelected(current) )
3667 {
3668 SelectAllRows( false );
3669 ChangeCurrentRow(current);
3670 SelectRow(m_currentRow,true);
3671 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3672 }
3673 else // multi sel & current is highlighted & no mod keys
3674 {
3675 m_lineSelectSingleOnUp = current;
3676 ChangeCurrentRow(current); // change focus
3677 }
3678 }
3679 else // multi sel & either ctrl or shift is down
3680 {
3681 if (cmdModifierDown)
3682 {
3683 ChangeCurrentRow(current);
3684 ReverseRowSelection(m_currentRow);
3685 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3686 }
3687 else if (event.ShiftDown())
3688 {
3689 ChangeCurrentRow(current);
3690
3691 unsigned int lineFrom = oldCurrentRow,
3692 lineTo = current;
3693
3694 if ( lineTo < lineFrom )
3695 {
3696 lineTo = lineFrom;
3697 lineFrom = m_currentRow;
3698 }
3699
3700 SelectRows(lineFrom, lineTo, true);
3701 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3702 }
3703 else // !ctrl, !shift
3704 {
3705 // test in the enclosing if should make it impossible
3706 wxFAIL_MSG( wxT("how did we get here?") );
3707 }
3708 }
3709
3710 if (m_currentRow != oldCurrentRow)
3711 RefreshRow( oldCurrentRow );
3712
3713 wxDataViewColumn *oldCurrentCol = m_currentCol;
3714
3715 // Update selection here...
3716 m_currentCol = col;
3717
3718 m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3719 (current == oldCurrentRow)) && oldWasSelected;
3720
3721 // Call LeftClick after everything else as under GTK+
3722 if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3723 {
3724 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3725 {
3726 // notify cell about click
3727 wxVariant value;
3728 model->GetValue( value, item, col->GetModelColumn() );
3729 custom->SetValue( value );
3730 wxRect cell_rect( xpos, GetLineStart( current ),
3731 col->GetWidth(), GetLineHeight( current ) );
3732 /* ignore ret */ custom->LeftClick( event.GetPosition(), cell_rect,
3733 model, item, col->GetModelColumn());
3734 }
3735 }
3736 }
3737 }
3738
3739 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3740 {
3741 m_hasFocus = true;
3742
3743 if (HasCurrentRow())
3744 Refresh();
3745
3746 event.Skip();
3747 }
3748
3749 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3750 {
3751 m_hasFocus = false;
3752
3753 if (HasCurrentRow())
3754 Refresh();
3755
3756 event.Skip();
3757 }
3758
3759 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3760 {
3761 if( m_selection.GetCount() != 1 )
3762 return wxDataViewItem();
3763
3764 return GetItemByRow( m_selection.Item(0));
3765 }
3766
3767 //-----------------------------------------------------------------------------
3768 // wxDataViewCtrl
3769 //-----------------------------------------------------------------------------
3770
3771 WX_DEFINE_LIST(wxDataViewColumnList)
3772
3773 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3774 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3775 EVT_SIZE(wxDataViewCtrl::OnSize)
3776 END_EVENT_TABLE()
3777
3778 wxDataViewCtrl::~wxDataViewCtrl()
3779 {
3780 if (m_notifier)
3781 GetModel()->RemoveNotifier( m_notifier );
3782
3783 m_cols.Clear();
3784 }
3785
3786 void wxDataViewCtrl::Init()
3787 {
3788 m_cols.DeleteContents(true);
3789 m_notifier = NULL;
3790
3791 // No sorting column at start
3792 m_sortingColumnIdx = wxNOT_FOUND;
3793
3794 m_headerArea = NULL;
3795 }
3796
3797 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3798 const wxPoint& pos, const wxSize& size,
3799 long style, const wxValidator& validator )
3800 {
3801 // if ( (style & wxBORDER_MASK) == 0)
3802 // style |= wxBORDER_SUNKEN;
3803
3804 Init();
3805
3806 if (!wxControl::Create( parent, id, pos, size,
3807 style | wxScrolledWindowStyle, validator))
3808 return false;
3809
3810 SetInitialSize(size);
3811
3812 #ifdef __WXMAC__
3813 MacSetClipChildren( true );
3814 #endif
3815
3816 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3817
3818 if (HasFlag(wxDV_NO_HEADER))
3819 m_headerArea = NULL;
3820 else
3821 m_headerArea = new wxDataViewHeaderWindow(this);
3822
3823 SetTargetWindow( m_clientArea );
3824
3825 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3826 if (m_headerArea)
3827 sizer->Add( m_headerArea, 0, wxGROW );
3828 sizer->Add( m_clientArea, 1, wxGROW );
3829 SetSizer( sizer );
3830
3831 return true;
3832 }
3833
3834 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3835 {
3836 return wxBORDER_THEME;
3837 }
3838
3839 #ifdef __WXMSW__
3840 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3841 WXWPARAM wParam,
3842 WXLPARAM lParam)
3843 {
3844 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3845
3846 #ifndef __WXWINCE__
3847 // we need to process arrows ourselves for scrolling
3848 if ( nMsg == WM_GETDLGCODE )
3849 {
3850 rc |= DLGC_WANTARROWS;
3851 }
3852 #endif
3853
3854 return rc;
3855 }
3856 #endif
3857
3858 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3859 {
3860 wxSize newsize = size;
3861 if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3862 newsize.y -= m_headerArea->GetSize().y;
3863
3864 return newsize;
3865 }
3866
3867 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3868 {
3869 // We need to override OnSize so that our scrolled
3870 // window a) does call Layout() to use sizers for
3871 // positioning the controls but b) does not query
3872 // the sizer for their size and use that for setting
3873 // the scrollable area as set that ourselves by
3874 // calling SetScrollbar() further down.
3875
3876 Layout();
3877
3878 AdjustScrollbars();
3879 }
3880
3881 void wxDataViewCtrl::SetFocus()
3882 {
3883 if (m_clientArea)
3884 m_clientArea->SetFocus();
3885 }
3886
3887 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3888 {
3889 if (!wxDataViewCtrlBase::AssociateModel( model ))
3890 return false;
3891
3892 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3893
3894 model->AddNotifier( m_notifier );
3895
3896 m_clientArea->DestroyTree();
3897
3898 m_clientArea->BuildTree(model);
3899
3900 m_clientArea->UpdateDisplay();
3901
3902 return true;
3903 }
3904
3905 #if wxUSE_DRAG_AND_DROP
3906
3907 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3908 {
3909 return m_clientArea->EnableDragSource( format );
3910 }
3911
3912 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3913 {
3914 return m_clientArea->EnableDropTarget( format );
3915 }
3916
3917 #endif // wxUSE_DRAG_AND_DROP
3918
3919 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3920 {
3921 if (!wxDataViewCtrlBase::AppendColumn(col))
3922 return false;
3923
3924 m_cols.Append( col );
3925 OnColumnsCountChanged();
3926 return true;
3927 }
3928
3929 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3930 {
3931 if (!wxDataViewCtrlBase::PrependColumn(col))
3932 return false;
3933
3934 m_cols.Insert( col );
3935 OnColumnsCountChanged();
3936 return true;
3937 }
3938
3939 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3940 {
3941 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3942 return false;
3943
3944 m_cols.Insert( pos, col );
3945 OnColumnsCountChanged();
3946 return true;
3947 }
3948
3949 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3950 {
3951 if ( m_headerArea )
3952 m_headerArea->UpdateColumn(idx);
3953
3954 m_clientArea->UpdateDisplay();
3955 }
3956
3957 void wxDataViewCtrl::OnColumnsCountChanged()
3958 {
3959 if (m_headerArea)
3960 m_headerArea->SetColumnCount(GetColumnCount());
3961
3962 m_clientArea->UpdateDisplay();
3963 }
3964
3965 void wxDataViewCtrl::DoSetExpanderColumn()
3966 {
3967 m_clientArea->UpdateDisplay();
3968 }
3969
3970 void wxDataViewCtrl::DoSetIndent()
3971 {
3972 m_clientArea->UpdateDisplay();
3973 }
3974
3975 unsigned int wxDataViewCtrl::GetColumnCount() const
3976 {
3977 return m_cols.GetCount();
3978 }
3979
3980 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3981 {
3982 return m_cols[idx];
3983 }
3984
3985 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3986 {
3987 // columns can't be reordered if there is no header window which allows
3988 // to do this
3989 const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
3990 : pos;
3991
3992 return GetColumn(idx);
3993 }
3994
3995 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
3996 {
3997 const unsigned count = m_cols.size();
3998 for ( unsigned n = 0; n < count; n++ )
3999 {
4000 if ( m_cols[n] == column )
4001 return n;
4002 }
4003
4004 return wxNOT_FOUND;
4005 }
4006
4007 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4008 unsigned int WXUNUSED(new_pos))
4009 {
4010 // do _not_ reorder m_cols elements here, they should always be in the
4011 // order in which columns were added, we only display the columns in
4012 // different order
4013 m_clientArea->UpdateDisplay();
4014 }
4015
4016 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4017 {
4018 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4019 if (!ret)
4020 return false;
4021
4022 m_cols.Erase(ret);
4023 OnColumnsCountChanged();
4024
4025 return true;
4026 }
4027
4028 bool wxDataViewCtrl::ClearColumns()
4029 {
4030 m_cols.Clear();
4031 OnColumnsCountChanged();
4032 return true;
4033 }
4034
4035 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4036 {
4037 int ret = 0,
4038 dummy = 0;
4039 unsigned int len = GetColumnCount();
4040 for ( unsigned int i = 0; i < len; i++ )
4041 {
4042 wxDataViewColumn * col = GetColumnAt(i);
4043 if (col->IsHidden())
4044 continue;
4045 ret += col->GetWidth();
4046 if (column==col)
4047 {
4048 CalcScrolledPosition( ret, dummy, &ret, &dummy );
4049 break;
4050 }
4051 }
4052 return ret;
4053 }
4054
4055 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4056 {
4057 return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4058 : GetColumn(m_sortingColumnIdx);
4059 }
4060
4061 // Selection code with wxDataViewItem as parameters
4062 wxDataViewItem wxDataViewCtrl::GetSelection() const
4063 {
4064 return m_clientArea->GetSelection();
4065 }
4066
4067 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4068 {
4069 sel.Empty();
4070 wxDataViewSelection selection = m_clientArea->GetSelections();
4071 int len = selection.GetCount();
4072 for( int i = 0; i < len; i ++)
4073 {
4074 unsigned int row = selection[i];
4075 sel.Add( m_clientArea->GetItemByRow( row ) );
4076 }
4077 return len;
4078 }
4079
4080 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4081 {
4082 wxDataViewSelection selection(wxDataViewSelectionCmp);
4083
4084 wxDataViewItem last_parent;
4085
4086 int len = sel.GetCount();
4087 for( int i = 0; i < len; i ++ )
4088 {
4089 wxDataViewItem item = sel[i];
4090 wxDataViewItem parent = GetModel()->GetParent( item );
4091 if (parent)
4092 {
4093 if (parent != last_parent)
4094 ExpandAncestors(item);
4095 }
4096
4097 last_parent = parent;
4098 int row = m_clientArea->GetRowByItem( item );
4099 if( row >= 0 )
4100 selection.Add( static_cast<unsigned int>(row) );
4101 }
4102
4103 m_clientArea->SetSelections( selection );
4104 }
4105
4106 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4107 {
4108 ExpandAncestors( item );
4109
4110 int row = m_clientArea->GetRowByItem( item );
4111 if( row >= 0 )
4112 {
4113 // Unselect all rows before select another in the single select mode
4114 if (m_clientArea->IsSingleSel())
4115 m_clientArea->SelectAllRows(false);
4116
4117 m_clientArea->SelectRow(row, true);
4118
4119 // Also set focus to the selected item
4120 m_clientArea->ChangeCurrentRow( row );
4121 }
4122 }
4123
4124 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4125 {
4126 int row = m_clientArea->GetRowByItem( item );
4127 if( row >= 0 )
4128 m_clientArea->SelectRow(row, false);
4129 }
4130
4131 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4132 {
4133 int row = m_clientArea->GetRowByItem( item );
4134 if( row >= 0 )
4135 {
4136 return m_clientArea->IsRowSelected(row);
4137 }
4138 return false;
4139 }
4140
4141 // Selection code with row number as parameter
4142 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4143 {
4144 sel.Empty();
4145 wxDataViewSelection selection = m_clientArea->GetSelections();
4146 int len = selection.GetCount();
4147 for( int i = 0; i < len; i ++)
4148 {
4149 unsigned int row = selection[i];
4150 sel.Add( row );
4151 }
4152 return len;
4153 }
4154
4155 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4156 {
4157 wxDataViewSelection selection(wxDataViewSelectionCmp);
4158 int len = sel.GetCount();
4159 for( int i = 0; i < len; i ++ )
4160 {
4161 int row = sel[i];
4162 if( row >= 0 )
4163 selection.Add( static_cast<unsigned int>(row) );
4164 }
4165 m_clientArea->SetSelections( selection );
4166 }
4167
4168 void wxDataViewCtrl::Select( int row )
4169 {
4170 if( row >= 0 )
4171 {
4172 if (m_clientArea->IsSingleSel())
4173 m_clientArea->SelectAllRows(false);
4174 m_clientArea->SelectRow( row, true );
4175 }
4176 }
4177
4178 void wxDataViewCtrl::Unselect( int row )
4179 {
4180 if( row >= 0 )
4181 m_clientArea->SelectRow(row, false);
4182 }
4183
4184 bool wxDataViewCtrl::IsSelected( int row ) const
4185 {
4186 if( row >= 0 )
4187 return m_clientArea->IsRowSelected(row);
4188 return false;
4189 }
4190
4191 void wxDataViewCtrl::SelectRange( int from, int to )
4192 {
4193 wxArrayInt sel;
4194 for( int i = from; i < to; i ++ )
4195 sel.Add( i );
4196 m_clientArea->Select(sel);
4197 }
4198
4199 void wxDataViewCtrl::UnselectRange( int from, int to )
4200 {
4201 wxDataViewSelection sel = m_clientArea->GetSelections();
4202 for( int i = from; i < to; i ++ )
4203 if( sel.Index( i ) != wxNOT_FOUND )
4204 sel.Remove( i );
4205 m_clientArea->SetSelections(sel);
4206 }
4207
4208 void wxDataViewCtrl::SelectAll()
4209 {
4210 m_clientArea->SelectAllRows(true);
4211 }
4212
4213 void wxDataViewCtrl::UnselectAll()
4214 {
4215 m_clientArea->SelectAllRows(false);
4216 }
4217
4218 void wxDataViewCtrl::EnsureVisible( int row, int column )
4219 {
4220 if( row < 0 )
4221 row = 0;
4222 if( row > (int) m_clientArea->GetRowCount() )
4223 row = m_clientArea->GetRowCount();
4224
4225 int first = m_clientArea->GetFirstVisibleRow();
4226 int last = m_clientArea->GetLastVisibleRow();
4227 if( row < first )
4228 m_clientArea->ScrollTo( row, column );
4229 else if( row > last )
4230 m_clientArea->ScrollTo( row - last + first, column );
4231 else
4232 m_clientArea->ScrollTo( first, column );
4233 }
4234
4235 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4236 {
4237 ExpandAncestors( item );
4238
4239 m_clientArea->RecalculateDisplay();
4240
4241 int row = m_clientArea->GetRowByItem(item);
4242 if( row >= 0 )
4243 {
4244 if( column == NULL )
4245 EnsureVisible(row, -1);
4246 else
4247 EnsureVisible( row, GetColumnIndex(column) );
4248 }
4249
4250 }
4251
4252 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4253 wxDataViewColumn* &column ) const
4254 {
4255 m_clientArea->HitTest(point, item, column);
4256 }
4257
4258 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4259 const wxDataViewColumn* column ) const
4260 {
4261 return m_clientArea->GetItemRect(item, column);
4262 }
4263
4264 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4265 {
4266 return m_clientArea->GetItemByRow( row );
4267 }
4268
4269 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4270 {
4271 return m_clientArea->GetRowByItem( item );
4272 }
4273
4274 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4275 {
4276 int row = m_clientArea->GetRowByItem( item );
4277 if (row != -1)
4278 m_clientArea->Expand(row);
4279 }
4280
4281 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4282 {
4283 int row = m_clientArea->GetRowByItem( item );
4284 if (row != -1)
4285 m_clientArea->Collapse(row);
4286 }
4287
4288 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4289 {
4290 int row = m_clientArea->GetRowByItem( item );
4291 if (row != -1)
4292 return m_clientArea->IsExpanded(row);
4293 return false;
4294 }
4295
4296 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4297 {
4298 wxDataViewColumn* col = GetColumn( column );
4299 if (!col)
4300 return;
4301
4302 wxRect itemRect = GetItemRect(item, col);
4303 wxDataViewRenderer* renderer = col->GetRenderer();
4304 renderer->StartEditing(item, itemRect);
4305 }
4306
4307 #endif // !wxUSE_GENERICDATAVIEWCTRL
4308
4309 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)