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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/generic/datavgen.cpp
3 // Purpose: wxDataViewCtrl generic implementation
4 // Author: Robert Roebling
5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 #if wxUSE_DATAVIEWCTRL
19
20 #include "wx/dataview.h"
21
22 #ifdef wxUSE_GENERICDATAVIEWCTRL
23
24 #ifndef WX_PRECOMP
25 #ifdef __WXMSW__
26 #include "wx/msw/private.h"
27 #include "wx/msw/wrapwin.h"
28 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
29 #endif
30 #include "wx/sizer.h"
31 #include "wx/log.h"
32 #include "wx/dcclient.h"
33 #include "wx/timer.h"
34 #include "wx/settings.h"
35 #include "wx/msgdlg.h"
36 #include "wx/dcscreen.h"
37 #endif
38
39 #include "wx/stockitem.h"
40 #include "wx/calctrl.h"
41 #include "wx/popupwin.h"
42 #include "wx/renderer.h"
43 #include "wx/dcbuffer.h"
44 #include "wx/icon.h"
45 #include "wx/list.h"
46 #include "wx/listimpl.cpp"
47
48 //-----------------------------------------------------------------------------
49 // classes
50 //-----------------------------------------------------------------------------
51
52 class wxDataViewCtrl;
53
54 static const int SCROLL_UNIT_X = 15;
55
56 // the cell padding on the left/right
57 static const int PADDING_RIGHTLEFT = 3;
58
59 // the expander space margin
60 static const int EXPANDER_MARGIN = 4;
61
62 //-----------------------------------------------------------------------------
63 // wxDataViewHeaderWindow
64 //-----------------------------------------------------------------------------
65
66 #define USE_NATIVE_HEADER_WINDOW 1
67
68 //Below is the compare stuff
69 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
70 static wxDataViewModel * g_model;
71 static int g_column = -2;
72 static bool g_asending = true;
73
74 // NB: for some reason, this class must be dllexport'ed or we get warnings from
75 // MSVC in DLL build
76 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
77 {
78 public:
79 wxDataViewHeaderWindowBase()
80 { m_owner = NULL; }
81
82 bool Create(wxDataViewCtrl *parent, wxWindowID id,
83 const wxPoint &pos, const wxSize &size,
84 const wxString &name)
85 {
86 return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
87 }
88
89 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
90 wxDataViewCtrl *GetOwner() { return m_owner; }
91
92 // called on column addition/removal
93 virtual void UpdateDisplay() { /* by default, do nothing */ }
94
95 // returns the n-th column
96 virtual wxDataViewColumn *GetColumn(unsigned int n)
97 {
98 wxASSERT(m_owner);
99 wxDataViewColumn *ret = m_owner->GetColumn(n);
100 wxASSERT(ret);
101
102 return ret;
103 }
104
105 protected:
106 wxDataViewCtrl *m_owner;
107
108 // sends an event generated from the n-th wxDataViewColumn
109 void SendEvent(wxEventType type, unsigned int n);
110 };
111
112 // on wxMSW the header window (only that part however) can be made native!
113 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
114
115 #define COLUMN_WIDTH_OFFSET 2
116 #define wxDataViewHeaderWindowMSW wxDataViewHeaderWindow
117
118 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
119 {
120 public:
121
122 wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
123 wxWindowID id,
124 const wxPoint &pos = wxDefaultPosition,
125 const wxSize &size = wxDefaultSize,
126 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
127 {
128 Create(parent, id, pos, size, name);
129 }
130
131 bool Create(wxDataViewCtrl *parent, wxWindowID id,
132 const wxPoint &pos, const wxSize &size,
133 const wxString &name);
134
135 ~wxDataViewHeaderWindowMSW();
136
137 // called when any column setting is changed and/or changed
138 // the column count
139 virtual void UpdateDisplay();
140
141 // called Refresh afterwards
142 virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
143
144 protected:
145 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
146
147 virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
148
149 wxSize DoGetBestSize() const;
150
151 unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
152
153 wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
154 { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
155
156 int m_scrollOffsetX;
157 int m_buttonHeight;
158
159 private:
160 DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
161 };
162
163 #else // !defined(__WXMSW__)
164
165 #define HEADER_WINDOW_HEIGHT 25
166 #define HEADER_HORIZ_BORDER 5
167 #define HEADER_VERT_BORDER 3
168 #define wxGenericDataViewHeaderWindow wxDataViewHeaderWindow
169
170 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
171 {
172 public:
173 wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
174 wxWindowID id,
175 const wxPoint &pos = wxDefaultPosition,
176 const wxSize &size = wxDefaultSize,
177 const wxString &name = wxT("wxdataviewctrlheaderwindow") )
178 {
179 Init();
180 Create(parent, id, pos, size, name);
181 }
182
183 bool Create(wxDataViewCtrl *parent, wxWindowID id,
184 const wxPoint &pos, const wxSize &size,
185 const wxString &name);
186
187 ~wxGenericDataViewHeaderWindow()
188 {
189 delete m_resizeCursor;
190 }
191
192 virtual void UpdateDisplay() { Refresh(); }
193
194 // event handlers:
195
196 void OnPaint( wxPaintEvent &event );
197 void OnMouse( wxMouseEvent &event );
198 void OnSetFocus( wxFocusEvent &event );
199
200
201 protected:
202
203 // vars used for column resizing:
204
205 wxCursor *m_resizeCursor;
206 const wxCursor *m_currentCursor;
207 bool m_isDragging;
208
209 bool m_dirty; // needs refresh?
210 int m_hover; // index of the column under the mouse
211 int m_column; // index of the column being resized
212 int m_currentX; // divider line position in logical (unscrolled) coords
213 int m_minX; // minimal position beyond which the divider line
214 // can't be dragged in logical coords
215
216 // the pen used to draw the current column width drag line
217 // when resizing the columsn
218 wxPen m_penCurrent;
219
220
221 // internal utilities:
222
223 void Init()
224 {
225 m_currentCursor = (wxCursor *) NULL;
226 m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
227
228 m_isDragging = false;
229 m_dirty = false;
230
231 m_hover = wxNOT_FOUND;
232 m_column = wxNOT_FOUND;
233 m_currentX = 0;
234 m_minX = 0;
235
236 wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
237 m_penCurrent = wxPen(col, 1, wxSOLID);
238 }
239
240 void AdjustDC(wxDC& dc);
241
242 private:
243 DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
244 DECLARE_EVENT_TABLE()
245 };
246
247 #endif // defined(__WXMSW__)
248
249 //-----------------------------------------------------------------------------
250 // wxDataViewRenameTimer
251 //-----------------------------------------------------------------------------
252
253 class wxDataViewRenameTimer: public wxTimer
254 {
255 private:
256 wxDataViewMainWindow *m_owner;
257
258 public:
259 wxDataViewRenameTimer( wxDataViewMainWindow *owner );
260 void Notify();
261 };
262
263 //-----------------------------------------------------------------------------
264 // wxDataViewTreeNode
265 //-----------------------------------------------------------------------------
266 class wxDataViewTreeNode;
267 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
268 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
269
270 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
271 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
272
273 class wxDataViewTreeNode
274 {
275 public:
276 wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
277 {
278 m_parent = parent;
279 if (!parent)
280 m_open = true;
281 else
282 m_open = false;
283 m_hasChildren = false;
284 m_subTreeCount = 0;
285 }
286
287 ~wxDataViewTreeNode()
288 {
289 }
290
291 wxDataViewTreeNode * GetParent() { return m_parent; }
292 void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
293 wxDataViewTreeNodes & GetNodes() { return m_nodes; }
294 wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
295
296 void AddNode( wxDataViewTreeNode * node )
297 {
298 m_leaves.Add( node->GetItem().GetID() );
299 if (g_column >= -1)
300 m_leaves.Sort( &wxGenericTreeModelItemCmp );
301 m_nodes.Add( node );
302 if (g_column >= -1)
303 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
304 }
305 void AddLeaf( void * leaf )
306 {
307 m_leaves.Add( leaf );
308 if (g_column >= -1)
309 m_leaves.Sort( &wxGenericTreeModelItemCmp );
310 }
311
312 wxDataViewItem & GetItem() { return m_item; }
313 void SetItem( const wxDataViewItem & item ) { m_item = item; }
314
315 unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
316 unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
317 int GetIndentLevel()
318 {
319 int ret = 0 ;
320 wxDataViewTreeNode * node = this;
321 while( node->GetParent()->GetParent() != NULL )
322 {
323 node = node->GetParent();
324 ret ++;
325 }
326 return ret;
327 }
328
329 bool IsOpen()
330 {
331 return m_open ;
332 }
333
334 void ToggleOpen()
335 {
336 int len = m_nodes.GetCount();
337 int sum = 0;
338 for ( int i = 0 ;i < len ; i ++)
339 sum += m_nodes[i]->GetSubTreeCount();
340
341 sum += m_leaves.GetCount();
342 if (m_open)
343 {
344 ChangeSubTreeCount(-sum);
345 m_open = !m_open;
346 }
347 else
348 {
349 m_open = !m_open;
350 ChangeSubTreeCount(sum);
351 }
352 }
353 bool HasChildren() { return m_hasChildren; }
354 void SetHasChildren( bool has ){ m_hasChildren = has; }
355
356 void SetSubTreeCount( int num ) { m_subTreeCount = num; }
357 int GetSubTreeCount() { return m_subTreeCount; }
358 void ChangeSubTreeCount( int num )
359 {
360 if( !m_open )
361 return ;
362 m_subTreeCount += num;
363 if( m_parent )
364 m_parent->ChangeSubTreeCount(num);
365 }
366
367 void Resort()
368 {
369 if (g_column >= -1)
370 {
371 m_nodes.Sort( &wxGenericTreeModelNodeCmp );
372 int len = m_nodes.GetCount();
373 for (int i = 0; i < len; i ++)
374 m_nodes[i]->Resort();
375 m_leaves.Sort( &wxGenericTreeModelItemCmp );
376 }
377 }
378
379 private:
380 wxDataViewTreeNode *m_parent;
381 wxDataViewTreeNodes m_nodes;
382 wxDataViewTreeLeaves m_leaves;
383 wxDataViewItem m_item;
384 bool m_open;
385 bool m_hasChildren;
386 int m_subTreeCount;
387 };
388
389 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
390 {
391 return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
392 }
393
394 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
395 {
396 return g_model->Compare( *id1, *id2, g_column, g_asending );
397 }
398
399
400
401 //-----------------------------------------------------------------------------
402 // wxDataViewMainWindow
403 //-----------------------------------------------------------------------------
404
405 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
406 WXDLLIMPEXP_ADV);
407 WX_DECLARE_LIST(wxDataViewItem, ItemList);
408 WX_DEFINE_LIST(ItemList)
409
410 class wxDataViewMainWindow: public wxWindow
411 {
412 public:
413 wxDataViewMainWindow( wxDataViewCtrl *parent,
414 wxWindowID id,
415 const wxPoint &pos = wxDefaultPosition,
416 const wxSize &size = wxDefaultSize,
417 const wxString &name = wxT("wxdataviewctrlmainwindow") );
418 virtual ~wxDataViewMainWindow();
419
420 // notifications from wxDataViewModel
421 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
422 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
423 bool ItemChanged( const wxDataViewItem &item );
424 bool ValueChanged( const wxDataViewItem &item, unsigned int col );
425 bool Cleared();
426 void Resort()
427 {
428 SortPrepare();
429 m_root->Resort();
430 UpdateDisplay();
431 }
432
433 void SortPrepare()
434 {
435 g_model = GetOwner()->GetModel();
436 wxDataViewColumn* col = GetOwner()->GetSortingColumn();
437 if( !col )
438 {
439 if (g_model->HasDefaultCompare())
440 g_column = -1;
441 else
442 g_column = -2;
443
444 g_asending = true;
445 return;
446 }
447 g_column = col->GetModelColumn();
448 g_asending = col->IsSortOrderAscending();
449 }
450
451 void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
452 wxDataViewCtrl *GetOwner() { return m_owner; }
453 const wxDataViewCtrl *GetOwner() const { return m_owner; }
454
455 void OnPaint( wxPaintEvent &event );
456 void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
457 void OnChar( wxKeyEvent &event );
458 void OnMouse( wxMouseEvent &event );
459 void OnSetFocus( wxFocusEvent &event );
460 void OnKillFocus( wxFocusEvent &event );
461
462 void UpdateDisplay();
463 void RecalculateDisplay();
464 void OnInternalIdle();
465
466 void OnRenameTimer();
467
468 void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
469 void ScrollTo( int rows, int column );
470
471 bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
472 void ChangeCurrentRow( unsigned int row );
473
474 bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
475 bool IsEmpty() { return GetRowCount() == 0; }
476
477 int GetCountPerPage() const;
478 int GetEndOfLastCol() const;
479 unsigned int GetFirstVisibleRow() const;
480 //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
481 unsigned int GetLastVisibleRow();
482 unsigned int GetRowCount() ;
483
484 wxDataViewItem GetSelection() const;
485 wxDataViewSelection GetSelections(){ return m_selection; }
486 void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
487 void Select( const wxArrayInt& aSelections );
488 void SelectAllRows( bool on );
489 void SelectRow( unsigned int row, bool on );
490 void SelectRows( unsigned int from, unsigned int to, bool on );
491 void ReverseRowSelection( unsigned int row );
492 bool IsRowSelected( unsigned int row );
493 void SendSelectionChangedEvent( const wxDataViewItem& item);
494
495 void RefreshRow( unsigned int row );
496 void RefreshRows( unsigned int from, unsigned int to );
497 void RefreshRowsAfter( unsigned int firstRow );
498
499 // returns the colour to be used for drawing the rules
500 wxColour GetRuleColour() const
501 {
502 return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
503 }
504
505 wxRect GetLineRect( unsigned int row ) const;
506
507 //Some useful functions for row and item mapping
508 wxDataViewItem GetItemByRow( unsigned int row ) const;
509 int GetRowByItem( const wxDataViewItem & item );
510
511 //Methods for building the mapping tree
512 void BuildTree( wxDataViewModel * model );
513 void DestroyTree();
514 void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
515 wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
516
517 void Expand( unsigned int row ) { OnExpanding( row ); }
518 void Collapse( unsigned int row ) { OnCollapsing( row ); }
519 private:
520 wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
521 //We did not need this temporarily
522 //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
523
524 int RecalculateCount() ;
525
526 wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
527 void OnExpanding( unsigned int row );
528 void OnCollapsing( unsigned int row );
529
530 wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
531
532 private:
533 wxDataViewCtrl *m_owner;
534 int m_lineHeight;
535 bool m_dirty;
536
537 wxDataViewColumn *m_currentCol;
538 unsigned int m_currentRow;
539 wxDataViewSelection m_selection;
540
541 wxDataViewRenameTimer *m_renameTimer;
542 bool m_lastOnSame;
543
544 bool m_hasFocus;
545
546 int m_dragCount;
547 wxPoint m_dragStart;
548
549 // for double click logic
550 unsigned int m_lineLastClicked,
551 m_lineBeforeLastClicked,
552 m_lineSelectSingleOnUp;
553
554 // the pen used to draw horiz/vertical rules
555 wxPen m_penRule;
556
557 // the pen used to draw the expander and the lines
558 wxPen m_penExpander;
559
560 //This is the tree structure of the model
561 wxDataViewTreeNode * m_root;
562 int m_count;
563 //This is the tree node under the cursor
564 wxDataViewTreeNode * m_underMouse;
565 private:
566 DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
567 DECLARE_EVENT_TABLE()
568 };
569
570 // ---------------------------------------------------------
571 // wxGenericDataViewModelNotifier
572 // ---------------------------------------------------------
573
574 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
575 {
576 public:
577 wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
578 { m_mainWindow = mainWindow; }
579
580 virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
581 { return m_mainWindow->ItemAdded( parent , item ); }
582 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
583 { return m_mainWindow->ItemDeleted( parent, item ); }
584 virtual bool ItemChanged( const wxDataViewItem & item )
585 { return m_mainWindow->ItemChanged(item); }
586 virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
587 { return m_mainWindow->ValueChanged( item, col ); }
588 virtual bool Cleared()
589 { return m_mainWindow->Cleared(); }
590 virtual void Resort()
591 { m_mainWindow->Resort(); }
592
593 wxDataViewMainWindow *m_mainWindow;
594 };
595
596 // ---------------------------------------------------------
597 // wxDataViewRenderer
598 // ---------------------------------------------------------
599
600 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
601
602 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
603 wxDataViewCellMode mode,
604 int align) :
605 wxDataViewRendererBase( varianttype, mode, align )
606 {
607 m_dc = NULL;
608 m_align = align;
609 m_mode = mode;
610 }
611
612 wxDataViewRenderer::~wxDataViewRenderer()
613 {
614 if (m_dc)
615 delete m_dc;
616 }
617
618 wxDC *wxDataViewRenderer::GetDC()
619 {
620 if (m_dc == NULL)
621 {
622 if (GetOwner() == NULL)
623 return NULL;
624 if (GetOwner()->GetOwner() == NULL)
625 return NULL;
626 m_dc = new wxClientDC( GetOwner()->GetOwner() );
627 }
628
629 return m_dc;
630 }
631
632 // ---------------------------------------------------------
633 // wxDataViewCustomRenderer
634 // ---------------------------------------------------------
635
636 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
637
638 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
639 wxDataViewCellMode mode, int align ) :
640 wxDataViewRenderer( varianttype, mode, align )
641 {
642 }
643
644 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
645 {
646 wxDataViewCtrl *view = GetOwner()->GetOwner();
647 wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
648 wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
649 view->GetForegroundColour();
650 dc->SetTextForeground(col);
651 dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
652 }
653
654 // ---------------------------------------------------------
655 // wxDataViewTextRenderer
656 // ---------------------------------------------------------
657
658 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
659
660 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
661 wxDataViewCellMode mode, int align ) :
662 wxDataViewCustomRenderer( varianttype, mode, align )
663 {
664 }
665
666 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
667 {
668 m_text = value.GetString();
669
670 return true;
671 }
672
673 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
674 {
675 return false;
676 }
677
678 bool wxDataViewTextRenderer::HasEditorCtrl()
679 {
680 return true;
681 }
682
683 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
684 wxRect labelRect, const wxVariant &value )
685 {
686 return new wxTextCtrl( parent, wxID_ANY, value,
687 wxPoint(labelRect.x,labelRect.y),
688 wxSize(labelRect.width,labelRect.height) );
689 }
690
691 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
692 {
693 wxTextCtrl *text = (wxTextCtrl*) editor;
694 value = text->GetValue();
695 return true;
696 }
697
698 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
699 {
700 RenderText( m_text, 0, cell, dc, state );
701 return true;
702 }
703
704 wxSize wxDataViewTextRenderer::GetSize() const
705 {
706 const wxDataViewCtrl *view = GetView();
707 if (!m_text.empty())
708 {
709 int x,y;
710 view->GetTextExtent( m_text, &x, &y );
711 return wxSize( x, y );
712 }
713 return wxSize(80,20);
714 }
715
716 // ---------------------------------------------------------
717 // wxDataViewBitmapRenderer
718 // ---------------------------------------------------------
719
720 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
721
722 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
723 wxDataViewCellMode mode, int align ) :
724 wxDataViewCustomRenderer( varianttype, mode, align )
725 {
726 }
727
728 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
729 {
730 if (value.GetType() == wxT("wxBitmap"))
731 m_bitmap << value;
732 if (value.GetType() == wxT("wxIcon"))
733 m_icon << value;
734
735 return true;
736 }
737
738 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
739 {
740 return false;
741 }
742
743 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
744 {
745 if (m_bitmap.Ok())
746 dc->DrawBitmap( m_bitmap, cell.x, cell.y );
747 else if (m_icon.Ok())
748 dc->DrawIcon( m_icon, cell.x, cell.y );
749
750 return true;
751 }
752
753 wxSize wxDataViewBitmapRenderer::GetSize() const
754 {
755 if (m_bitmap.Ok())
756 return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
757 else if (m_icon.Ok())
758 return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
759
760 return wxSize(16,16);
761 }
762
763 // ---------------------------------------------------------
764 // wxDataViewToggleRenderer
765 // ---------------------------------------------------------
766
767 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
768
769 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
770 wxDataViewCellMode mode, int align ) :
771 wxDataViewCustomRenderer( varianttype, mode, align )
772 {
773 m_toggle = false;
774 }
775
776 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
777 {
778 m_toggle = value.GetBool();
779
780 return true;
781 }
782
783 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
784 {
785 return false;
786 }
787
788 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
789 {
790 // User wxRenderer here
791
792 wxRect rect;
793 rect.x = cell.x + cell.width/2 - 10;
794 rect.width = 20;
795 rect.y = cell.y + cell.height/2 - 10;
796 rect.height = 20;
797
798 int flags = 0;
799 if (m_toggle)
800 flags |= wxCONTROL_CHECKED;
801 if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
802 flags |= wxCONTROL_DISABLED;
803
804 wxRendererNative::Get().DrawCheckBox(
805 GetOwner()->GetOwner(),
806 *dc,
807 rect,
808 flags );
809
810 return true;
811 }
812
813 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
814 wxDataViewModel *model,
815 const wxDataViewItem & item, unsigned int col)
816 {
817 bool value = !m_toggle;
818 wxVariant variant = value;
819 model->SetValue( variant, item, col);
820 model->ValueChanged( item, col );
821 return true;
822 }
823
824 wxSize wxDataViewToggleRenderer::GetSize() const
825 {
826 return wxSize(20,20);
827 }
828
829 // ---------------------------------------------------------
830 // wxDataViewProgressRenderer
831 // ---------------------------------------------------------
832
833 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
834
835 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
836 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
837 wxDataViewCustomRenderer( varianttype, mode, align )
838 {
839 m_label = label;
840 m_value = 0;
841 }
842
843 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
844 {
845 }
846
847 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
848 {
849 m_value = (long) value;
850
851 if (m_value < 0) m_value = 0;
852 if (m_value > 100) m_value = 100;
853
854 return true;
855 }
856
857 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
858 {
859 value = (long) m_value;
860 return true;
861 }
862
863 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
864 {
865 double pct = (double)m_value / 100.0;
866 wxRect bar = cell;
867 bar.width = (int)(cell.width * pct);
868 dc->SetPen( *wxTRANSPARENT_PEN );
869 dc->SetBrush( *wxBLUE_BRUSH );
870 dc->DrawRectangle( bar );
871
872 dc->SetBrush( *wxTRANSPARENT_BRUSH );
873 dc->SetPen( *wxBLACK_PEN );
874 dc->DrawRectangle( cell );
875
876 return true;
877 }
878
879 wxSize wxDataViewProgressRenderer::GetSize() const
880 {
881 return wxSize(40,12);
882 }
883
884 // ---------------------------------------------------------
885 // wxDataViewDateRenderer
886 // ---------------------------------------------------------
887
888 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
889
890 #if wxUSE_DATE_RENDERER_POPUP
891
892 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
893 {
894 public:
895 wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
896 wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
897 wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
898 m_item( item )
899 {
900 m_model = model;
901 m_col = col;
902 m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
903 wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
904 sizer->Add( m_cal, 1, wxGROW );
905 SetSizer( sizer );
906 sizer->Fit( this );
907 }
908
909 void OnCalendar( wxCalendarEvent &event );
910
911 wxCalendarCtrl *m_cal;
912 wxDataViewModel *m_model;
913 unsigned int m_col;
914 const wxDataViewItem & m_item;
915
916 protected:
917 virtual void OnDismiss()
918 {
919 }
920
921 private:
922 DECLARE_EVENT_TABLE()
923 };
924
925 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
926 EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
927 END_EVENT_TABLE()
928
929 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
930 {
931 wxDateTime date = event.GetDate();
932 wxVariant value = date;
933 m_model->SetValue( value, m_item, m_col );
934 m_model->ValueChanged( m_item, m_col );
935 DismissAndNotify();
936 }
937
938 #endif // wxUSE_DATE_RENDERER_POPUP
939
940 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
941
942 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
943 wxDataViewCellMode mode, int align ) :
944 wxDataViewCustomRenderer( varianttype, mode, align )
945 {
946 }
947
948 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
949 {
950 m_date = value.GetDateTime();
951
952 return true;
953 }
954
955 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
956 {
957 value = m_date;
958 return true;
959 }
960
961 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
962 {
963 wxString tmp = m_date.FormatDate();
964 RenderText( tmp, 0, cell, dc, state );
965 return true;
966 }
967
968 wxSize wxDataViewDateRenderer::GetSize() const
969 {
970 const wxDataViewCtrl* view = GetView();
971 wxString tmp = m_date.FormatDate();
972 wxCoord x,y,d;
973 view->GetTextExtent( tmp, &x, &y, &d );
974 return wxSize(x,y+d);
975 }
976
977 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
978 const wxDataViewItem & item, unsigned int col )
979 {
980 wxVariant variant;
981 model->GetValue( variant, item, col );
982 wxDateTime value = variant.GetDateTime();
983
984 #if wxUSE_DATE_RENDERER_POPUP
985 wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
986 GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
987 wxPoint pos = wxGetMousePosition();
988 popup->Move( pos );
989 popup->Layout();
990 popup->Popup( popup->m_cal );
991 #else // !wxUSE_DATE_RENDERER_POPUP
992 wxMessageBox(value.Format());
993 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
994 return true;
995 }
996
997 // ---------------------------------------------------------
998 // wxDataViewIconTextRenderer
999 // ---------------------------------------------------------
1000
1001 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1002
1003 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1004 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1005 wxDataViewCustomRenderer( varianttype, mode, align )
1006 {
1007 SetMode(mode);
1008 SetAlignment(align);
1009 }
1010
1011 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1012 {
1013 }
1014
1015 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1016 {
1017 m_value << value;
1018 return true;
1019 }
1020
1021 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1022 {
1023 return false;
1024 }
1025
1026 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1027 {
1028 int xoffset = 0;
1029 const wxIcon &icon = m_value.GetIcon();
1030 if (icon.IsOk())
1031 {
1032 dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1033 xoffset = icon.GetWidth()+4;
1034 }
1035
1036 RenderText( m_value.GetText(), xoffset, cell, dc, state );
1037
1038 return true;
1039 }
1040
1041 wxSize wxDataViewIconTextRenderer::GetSize() const
1042 {
1043 const wxDataViewCtrl *view = GetView();
1044 if (!m_value.GetText().empty())
1045 {
1046 int x,y;
1047 view->GetTextExtent( m_value.GetText(), &x, &y );
1048
1049 if (m_value.GetIcon().IsOk())
1050 x += m_value.GetIcon().GetWidth() + 4;
1051 return wxSize( x, y );
1052 }
1053 return wxSize(80,20);
1054 }
1055
1056 wxControl *
1057 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1058 wxRect WXUNUSED(labelRect),
1059 const wxVariant& WXUNUSED(value))
1060 {
1061 return NULL;
1062 }
1063
1064 bool
1065 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1066 wxVariant& WXUNUSED(value))
1067 {
1068 return false;
1069 }
1070
1071 // ---------------------------------------------------------
1072 // wxDataViewColumn
1073 // ---------------------------------------------------------
1074
1075 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1076
1077 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1078 unsigned int model_column,
1079 int width, wxAlignment align, int flags ) :
1080 wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1081 {
1082 SetAlignment(align);
1083 SetTitle(title);
1084 SetFlags(flags);
1085
1086 Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1087 }
1088
1089 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1090 unsigned int model_column,
1091 int width, wxAlignment align, int flags ) :
1092 wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1093 {
1094 SetAlignment(align);
1095 SetFlags(flags);
1096
1097 Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1098 }
1099
1100 wxDataViewColumn::~wxDataViewColumn()
1101 {
1102 }
1103
1104 void wxDataViewColumn::Init( int width )
1105 {
1106 m_width = width;
1107 m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1108 m_ascending = true;
1109 }
1110
1111 void wxDataViewColumn::SetResizeable( bool resizeable )
1112 {
1113 if (resizeable)
1114 m_flags |= wxDATAVIEW_COL_RESIZABLE;
1115 else
1116 m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1117 }
1118
1119 void wxDataViewColumn::SetHidden( bool hidden )
1120 {
1121 if (hidden)
1122 m_flags |= wxDATAVIEW_COL_HIDDEN;
1123 else
1124 m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1125
1126 // tell our owner to e.g. update its scrollbars:
1127 if (GetOwner())
1128 GetOwner()->OnColumnChange();
1129 }
1130
1131 void wxDataViewColumn::SetSortable( bool sortable )
1132 {
1133 if (sortable)
1134 m_flags |= wxDATAVIEW_COL_SORTABLE;
1135 else
1136 m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1137
1138 // Update header button
1139 if (GetOwner())
1140 GetOwner()->OnColumnChange();
1141 }
1142
1143 void wxDataViewColumn::SetSortOrder( bool ascending )
1144 {
1145 m_ascending = ascending;
1146
1147 // Update header button
1148 if (GetOwner())
1149 GetOwner()->OnColumnChange();
1150 }
1151
1152 bool wxDataViewColumn::IsSortOrderAscending() const
1153 {
1154 return m_ascending;
1155 }
1156
1157 void wxDataViewColumn::SetInternalWidth( int width )
1158 {
1159 m_width = width;
1160
1161 // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1162 if (m_owner && m_owner->m_clientArea)
1163 m_owner->m_clientArea->RecalculateDisplay();
1164 }
1165
1166 void wxDataViewColumn::SetWidth( int width )
1167 {
1168 m_owner->m_headerArea->UpdateDisplay();
1169
1170 SetInternalWidth(width);
1171 }
1172
1173
1174 //-----------------------------------------------------------------------------
1175 // wxDataViewHeaderWindowBase
1176 //-----------------------------------------------------------------------------
1177
1178 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1179 {
1180 wxWindow *parent = GetParent();
1181 wxDataViewEvent le(type, parent->GetId());
1182
1183 le.SetEventObject(parent);
1184 le.SetColumn(n);
1185 le.SetDataViewColumn(GetColumn(n));
1186 le.SetModel(GetOwner()->GetModel());
1187
1188 // for events created by wxDataViewHeaderWindow the
1189 // row / value fields are not valid
1190
1191 parent->GetEventHandler()->ProcessEvent(le);
1192 }
1193
1194 #if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
1195
1196 // implemented in msw/listctrl.cpp:
1197 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1198
1199 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1200
1201 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1202 const wxPoint &pos, const wxSize &size,
1203 const wxString &name )
1204 {
1205 m_owner = parent;
1206
1207 m_scrollOffsetX = 0;
1208 m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this );
1209
1210 int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1211 y = pos.y == wxDefaultCoord ? 0 : pos.y,
1212 w = size.x == wxDefaultCoord ? 1 : size.x,
1213 h = size.y == wxDefaultCoord ? m_buttonHeight : size.y;
1214
1215 if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
1216 return false;
1217
1218 // create the native WC_HEADER window:
1219 WXHWND hwndParent = (HWND)parent->GetHandle();
1220 WXDWORD msStyle = WS_CHILD | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1221
1222 if ( m_isShown )
1223 msStyle |= WS_VISIBLE;
1224
1225 m_hWnd = CreateWindowEx(0,
1226 WC_HEADER,
1227 (LPCTSTR) NULL,
1228 msStyle,
1229 x, y, w, h,
1230 (HWND)hwndParent,
1231 (HMENU)-1,
1232 wxGetInstance(),
1233 (LPVOID) NULL);
1234 if (m_hWnd == NULL)
1235 {
1236 wxLogLastError(_T("CreateWindowEx"));
1237 return false;
1238 }
1239
1240 // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1241 // to call wxDataViewHeaderWindow::MSWOnNotify
1242 SubclassWin(m_hWnd);
1243
1244 // the following is required to get the default win's font for
1245 // header windows and must be done befor sending the HDM_LAYOUT msg
1246 SetFont(GetFont());
1247
1248 return true;
1249 }
1250
1251 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1252 {
1253 UnsubclassWin();
1254 }
1255
1256 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1257 {
1258 return wxSize(80, m_buttonHeight );
1259 }
1260
1261 #ifndef HDF_SORTUP
1262 #define HDF_SORTUP 0x0400
1263 #endif
1264 #ifndef HDF_SORTDOWN
1265 #define HDF_SORTDOWN 0x0200
1266 #endif
1267
1268 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1269 {
1270 // remove old columns
1271 for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1272 Header_DeleteItem((HWND)m_hWnd, 0);
1273
1274 // add the updated array of columns to the header control
1275 unsigned int cols = GetOwner()->GetColumnCount();
1276 unsigned int added = 0;
1277 for (unsigned int i = 0; i < cols; i++)
1278 {
1279 wxDataViewColumn *col = GetColumn( i );
1280 if (col->IsHidden())
1281 continue; // don't add it!
1282
1283 HDITEM hdi;
1284 hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1285 hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1286 hdi.cxy = col->GetWidth();
1287 hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1288 hdi.fmt = HDF_LEFT | HDF_STRING;
1289 //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1290
1291 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1292 {
1293 //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1294 //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1295 // VZ: works with 5.81
1296 hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1297 }
1298
1299 // lParam is reserved for application's use:
1300 // we store there the column index to use it later in MSWOnNotify
1301 // (since columns may have been hidden)
1302 hdi.lParam = (LPARAM)i;
1303
1304 // the native wxMSW implementation of the header window
1305 // draws the column separator COLUMN_WIDTH_OFFSET pixels
1306 // on the right: to correct this effect we make the column
1307 // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1308 if (i == 0)
1309 hdi.cxy += COLUMN_WIDTH_OFFSET;
1310
1311 switch (col->GetAlignment())
1312 {
1313 case wxALIGN_LEFT:
1314 hdi.fmt |= HDF_LEFT;
1315 break;
1316 case wxALIGN_CENTER:
1317 case wxALIGN_CENTER_HORIZONTAL:
1318 hdi.fmt |= HDF_CENTER;
1319 break;
1320 case wxALIGN_RIGHT:
1321 hdi.fmt |= HDF_RIGHT;
1322 break;
1323
1324 default:
1325 // such alignment is not allowed for the column header!
1326 wxFAIL;
1327 }
1328
1329 SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1330 (WPARAM)added, (LPARAM)&hdi);
1331 added++;
1332 }
1333 }
1334
1335 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1336 {
1337 unsigned int idx;
1338
1339 // NOTE: we don't just return nmHDR->iItem because when there are
1340 // hidden columns, nmHDR->iItem may be different from
1341 // nmHDR->pitem->lParam
1342
1343 if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1344 {
1345 idx = (unsigned int)nmHDR->pitem->lParam;
1346 return idx;
1347 }
1348
1349 HDITEM item;
1350 item.mask = HDI_LPARAM;
1351 Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1352
1353 return (unsigned int)item.lParam;
1354 }
1355
1356 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1357 {
1358 NMHDR *nmhdr = (NMHDR *)lParam;
1359
1360 // is it a message from the header?
1361 if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1362 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1363
1364 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1365 switch ( nmhdr->code )
1366 {
1367 case HDN_BEGINTRACK:
1368 // user has started to resize a column:
1369 // do we need to veto it?
1370 if (!GetColumn(nmHDR->iItem)->IsResizeable())
1371 {
1372 // veto it!
1373 *result = TRUE;
1374 }
1375 break;
1376
1377 case HDN_BEGINDRAG:
1378 // user has started to reorder a column
1379 break;
1380
1381 case HDN_ITEMCHANGING:
1382 if (nmHDR->pitem != NULL &&
1383 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1384 {
1385 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1386 if (nmHDR->pitem->cxy < minWidth)
1387 {
1388 // do not allow the user to resize this column under
1389 // its minimal width:
1390 *result = TRUE;
1391 }
1392 }
1393 break;
1394
1395 case HDN_ITEMCHANGED: // user is resizing a column
1396 case HDN_ENDTRACK: // user has finished resizing a column
1397 case HDN_ENDDRAG: // user has finished reordering a column
1398
1399 // update the width of the modified column:
1400 if (nmHDR->pitem != NULL &&
1401 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1402 {
1403 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1404 unsigned int w = nmHDR->pitem->cxy;
1405 wxDataViewColumn *col = GetColumn(idx);
1406
1407 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1408 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1409 w -= COLUMN_WIDTH_OFFSET;
1410
1411 if (w >= (unsigned)col->GetMinWidth())
1412 col->SetInternalWidth(w);
1413 }
1414 break;
1415
1416 case HDN_ITEMCLICK:
1417 {
1418 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1419 wxDataViewModel * model = GetOwner()->GetModel();
1420
1421 if(nmHDR->iButton == 0)
1422 {
1423 wxDataViewColumn *col = GetColumn(idx);
1424 if(col->IsSortable())
1425 {
1426 if(model && m_owner->GetSortingColumn() == col)
1427 {
1428 bool order = col->IsSortOrderAscending();
1429 col->SetSortOrder(!order);
1430 }
1431 else if(model)
1432 {
1433 m_owner->SetSortingColumn(col);
1434 }
1435 }
1436 UpdateDisplay();
1437 if(model)
1438 model->Resort();
1439 }
1440
1441 wxEventType evt = nmHDR->iButton == 0 ?
1442 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1443 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1444 SendEvent(evt, idx);
1445 }
1446 break;
1447
1448 case NM_RCLICK:
1449 {
1450 // NOTE: for some reason (i.e. for a bug in Windows)
1451 // the HDN_ITEMCLICK notification is not sent on
1452 // right clicks, so we need to handle NM_RCLICK
1453
1454 POINT ptClick;
1455 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1456 if (column != wxNOT_FOUND)
1457 {
1458 HDITEM item;
1459 item.mask = HDI_LPARAM;
1460 Header_GetItem((HWND)m_hWnd, column, &item);
1461
1462 // 'idx' may be different from 'column' if there are
1463 // hidden columns...
1464 unsigned int idx = (unsigned int)item.lParam;
1465 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1466 idx);
1467 }
1468 }
1469 break;
1470
1471 case HDN_GETDISPINFOW:
1472 // see wxListCtrl::MSWOnNotify for more info!
1473 break;
1474
1475 case HDN_ITEMDBLCLICK:
1476 {
1477 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1478 int w = GetOwner()->GetBestColumnWidth(idx);
1479
1480 // update the native control:
1481 HDITEM hd;
1482 ZeroMemory(&hd, sizeof(hd));
1483 hd.mask = HDI_WIDTH;
1484 hd.cxy = w;
1485 Header_SetItem(GetHwnd(),
1486 nmHDR->iItem, // NOTE: we don't want 'idx' here!
1487 &hd);
1488
1489 // update the wxDataViewColumn class:
1490 GetColumn(idx)->SetInternalWidth(w);
1491 }
1492 break;
1493
1494 default:
1495 return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1496 }
1497
1498 return true;
1499 }
1500
1501 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int dy, const wxRect *rect )
1502 {
1503 m_scrollOffsetX += dx;
1504
1505 GetParent()->Layout();
1506 }
1507
1508 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1509 int w, int h,
1510 int f)
1511 {
1512 // TODO: why is there a border + 2px around it?
1513 wxControl::DoSetSize( x+m_scrollOffsetX-2, y-2, w-m_scrollOffsetX+4, h+4, f );
1514 }
1515
1516 #else // !defined(__WXMSW__)
1517
1518 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1519 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1520 EVT_PAINT (wxGenericDataViewHeaderWindow::OnPaint)
1521 EVT_MOUSE_EVENTS (wxGenericDataViewHeaderWindow::OnMouse)
1522 EVT_SET_FOCUS (wxGenericDataViewHeaderWindow::OnSetFocus)
1523 END_EVENT_TABLE()
1524
1525 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1526 const wxPoint &pos, const wxSize &size,
1527 const wxString &name )
1528 {
1529 m_owner = parent;
1530
1531 if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1532 return false;
1533
1534 wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1535 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1536 SetOwnForegroundColour( attr.colFg );
1537 SetOwnBackgroundColour( attr.colBg );
1538 if (!m_hasFont)
1539 SetOwnFont( attr.font );
1540
1541 // set our size hints: wxDataViewCtrl will put this wxWindow inside
1542 // a wxBoxSizer and in order to avoid super-big header windows,
1543 // we need to set our height as fixed
1544 SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1545 SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1546
1547 return true;
1548 }
1549
1550 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1551 {
1552 int w, h;
1553 GetClientSize( &w, &h );
1554
1555 wxAutoBufferedPaintDC dc( this );
1556
1557 dc.SetBackground(GetBackgroundColour());
1558 dc.Clear();
1559
1560 int xpix;
1561 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1562
1563 int x;
1564 m_owner->GetViewStart( &x, NULL );
1565
1566 // account for the horz scrollbar offset
1567 dc.SetDeviceOrigin( -x * xpix, 0 );
1568
1569 dc.SetFont( GetFont() );
1570
1571 unsigned int cols = GetOwner()->GetColumnCount();
1572 unsigned int i;
1573 int xpos = 0;
1574 for (i = 0; i < cols; i++)
1575 {
1576 wxDataViewColumn *col = GetColumn( i );
1577 if (col->IsHidden())
1578 continue; // skip it!
1579
1580 int cw = col->GetWidth();
1581 int ch = h;
1582
1583 wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1584 if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1585 {
1586 if (col->IsSortOrderAscending())
1587 sortArrow = wxHDR_SORT_ICON_UP;
1588 else
1589 sortArrow = wxHDR_SORT_ICON_DOWN;
1590 }
1591
1592 int state = 0;
1593 if (m_parent->IsEnabled())
1594 {
1595 if ((int) i == m_hover)
1596 state = wxCONTROL_CURRENT;
1597 }
1598 else
1599 {
1600 state = (int) wxCONTROL_DISABLED;
1601 }
1602
1603 wxRendererNative::Get().DrawHeaderButton
1604 (
1605 this,
1606 dc,
1607 wxRect(xpos, 0, cw, ch-1),
1608 state,
1609 sortArrow
1610 );
1611
1612 // align as required the column title:
1613 int x = xpos;
1614 wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1615 switch (col->GetAlignment())
1616 {
1617 case wxALIGN_LEFT:
1618 x += HEADER_HORIZ_BORDER;
1619 break;
1620 case wxALIGN_RIGHT:
1621 x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1622 break;
1623 default:
1624 case wxALIGN_CENTER:
1625 case wxALIGN_CENTER_HORIZONTAL:
1626 x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1627 break;
1628 }
1629
1630 // always center the title vertically:
1631 int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1632
1633 dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1634 HEADER_VERT_BORDER,
1635 wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1), // width
1636 wxMax(ch - 2 * HEADER_VERT_BORDER, 1)); // height
1637 dc.DrawText( col->GetTitle(), x, y );
1638 dc.DestroyClippingRegion();
1639
1640 xpos += cw;
1641 }
1642 }
1643
1644 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1645 {
1646 GetParent()->SetFocus();
1647 event.Skip();
1648 }
1649
1650 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1651 {
1652 // we want to work with logical coords
1653 int x;
1654 m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1655 int y = event.GetY();
1656
1657 if (m_isDragging)
1658 {
1659 // we don't draw the line beyond our window,
1660 // but we allow dragging it there
1661 int w = 0;
1662 GetClientSize( &w, NULL );
1663 m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1664 w -= 6;
1665
1666 if (event.ButtonUp())
1667 {
1668 m_isDragging = false;
1669 if (HasCapture())
1670 ReleaseMouse();
1671
1672 m_dirty = true;
1673 }
1674 m_currentX = wxMax(m_minX + 7, x);
1675
1676 if (m_currentX < w)
1677 {
1678 GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1679 Refresh();
1680 GetOwner()->Refresh();
1681 }
1682
1683 }
1684 else // not dragging
1685 {
1686 m_minX = 0;
1687 m_column = wxNOT_FOUND;
1688
1689 bool hit_border = false;
1690
1691 // end of the current column
1692 int xpos = 0;
1693
1694 // find the column where this event occured
1695 int countCol = m_owner->GetColumnCount();
1696 for (int column = 0; column < countCol; column++)
1697 {
1698 wxDataViewColumn *p = GetColumn(column);
1699
1700 if (p->IsHidden())
1701 continue; // skip if not shown
1702
1703 xpos += p->GetWidth();
1704 m_column = column;
1705 if ((abs(x-xpos) < 3) && (y < 22))
1706 {
1707 hit_border = true;
1708 break;
1709 }
1710
1711 if (x < xpos)
1712 {
1713 // inside the column
1714 break;
1715 }
1716
1717 m_minX = xpos;
1718 }
1719
1720 int old_hover = m_hover;
1721 m_hover = m_column;
1722 if (event.Leaving())
1723 m_hover = wxNOT_FOUND;
1724 if (old_hover != m_hover)
1725 Refresh();
1726
1727 if (m_column == wxNOT_FOUND)
1728 return;
1729
1730 bool resizeable = GetColumn(m_column)->IsResizeable();
1731 if (event.LeftDClick() && resizeable)
1732 {
1733 GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1734 Refresh();
1735 }
1736 else if (event.LeftDown() || event.RightUp())
1737 {
1738 if (hit_border && event.LeftDown() && resizeable)
1739 {
1740 m_isDragging = true;
1741 CaptureMouse();
1742 m_currentX = x;
1743 }
1744 else // click on a column
1745 {
1746 wxDataViewModel * model = GetOwner()->GetModel();
1747 wxEventType evt = event.LeftDown() ?
1748 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1749 wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1750 SendEvent(evt, m_column);
1751
1752 //Left click the header
1753 if(event.LeftDown())
1754 {
1755 wxDataViewColumn *col = GetColumn(m_column);
1756 if(col->IsSortable())
1757 {
1758 wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1759 if(model && sortCol == col)
1760 {
1761 bool order = col->IsSortOrderAscending();
1762 col->SetSortOrder(!order);
1763 }
1764 else if(model)
1765 {
1766 m_owner->SetSortingColumn(col);
1767 }
1768 }
1769 UpdateDisplay();
1770 if(model)
1771 model->Resort();
1772 //Send the column sorted event
1773 SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1774 }
1775 }
1776 }
1777 else if (event.Moving())
1778 {
1779 if (hit_border && resizeable)
1780 m_currentCursor = m_resizeCursor;
1781 else
1782 m_currentCursor = wxSTANDARD_CURSOR;
1783
1784 SetCursor(*m_currentCursor);
1785 }
1786 }
1787 }
1788
1789 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1790 {
1791 int xpix, x;
1792
1793 m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1794 m_owner->GetViewStart( &x, NULL );
1795
1796 // shift the DC origin to match the position of the main window horizontal
1797 // scrollbar: this allows us to always use logical coords
1798 dc.SetDeviceOrigin( -x * xpix, 0 );
1799 }
1800
1801 #endif // defined(__WXMSW__)
1802
1803 //-----------------------------------------------------------------------------
1804 // wxDataViewRenameTimer
1805 //-----------------------------------------------------------------------------
1806
1807 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1808 {
1809 m_owner = owner;
1810 }
1811
1812 void wxDataViewRenameTimer::Notify()
1813 {
1814 m_owner->OnRenameTimer();
1815 }
1816
1817 //-----------------------------------------------------------------------------
1818 // wxDataViewMainWindow
1819 //-----------------------------------------------------------------------------
1820
1821 //The tree building helper, declared firstly
1822 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node);
1823
1824 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1825 {
1826 if (row1 > row2) return 1;
1827 if (row1 == row2) return 0;
1828 return -1;
1829 }
1830
1831
1832 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1833
1834 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1835 EVT_PAINT (wxDataViewMainWindow::OnPaint)
1836 EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
1837 EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
1838 EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
1839 EVT_CHAR (wxDataViewMainWindow::OnChar)
1840 END_EVENT_TABLE()
1841
1842 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1843 const wxPoint &pos, const wxSize &size, const wxString &name ) :
1844 wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1845 m_selection( wxDataViewSelectionCmp )
1846
1847 {
1848 SetOwner( parent );
1849
1850 m_lastOnSame = false;
1851 m_renameTimer = new wxDataViewRenameTimer( this );
1852
1853 // TODO: user better initial values/nothing selected
1854 m_currentCol = NULL;
1855 m_currentRow = 0;
1856
1857 m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1858
1859 m_dragCount = 0;
1860 m_dragStart = wxPoint(0,0);
1861 m_lineLastClicked = (unsigned int) -1;
1862 m_lineBeforeLastClicked = (unsigned int) -1;
1863 m_lineSelectSingleOnUp = (unsigned int) -1;
1864
1865 m_hasFocus = false;
1866
1867 SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1868 SetBackgroundColour( *wxWHITE );
1869
1870 m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
1871
1872 //Here I compose a pen can draw black lines, maybe there are something system colour to use
1873 m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
1874 //Some new added code to deal with the tree structure
1875 m_root = new wxDataViewTreeNode( NULL );
1876 m_root->SetHasChildren(true);
1877
1878 //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1879 m_count = -1 ;
1880 m_underMouse = NULL;
1881 UpdateDisplay();
1882 }
1883
1884 wxDataViewMainWindow::~wxDataViewMainWindow()
1885 {
1886 DestroyTree();
1887 delete m_renameTimer;
1888 }
1889
1890 void wxDataViewMainWindow::OnRenameTimer()
1891 {
1892 // We have to call this here because changes may just have
1893 // been made and no screen update taken place.
1894 if ( m_dirty )
1895 wxSafeYield();
1896
1897 int xpos = 0;
1898 unsigned int cols = GetOwner()->GetColumnCount();
1899 unsigned int i;
1900 for (i = 0; i < cols; i++)
1901 {
1902 wxDataViewColumn *c = GetOwner()->GetColumn( i );
1903 if (c->IsHidden())
1904 continue; // skip it!
1905
1906 if (c == m_currentCol)
1907 break;
1908 xpos += c->GetWidth();
1909 }
1910 wxRect labelRect( xpos, m_currentRow * m_lineHeight,
1911 m_currentCol->GetWidth(), m_lineHeight );
1912
1913 GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1914 &labelRect.x, &labelRect.y);
1915
1916 wxDataViewItem item = GetItemByRow( m_currentRow );
1917 m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1918
1919 }
1920
1921 //------------------------------------------------------------------
1922 // Helper class for do operation on the tree node
1923 //------------------------------------------------------------------
1924 class DoJob
1925 {
1926 public:
1927 DoJob(){};
1928 virtual ~DoJob(){};
1929
1930 //The return value control how the tree-walker tranverse the tree
1931 // 0: Job done, stop tranverse and return
1932 // 1: Ignore the current node's subtree and continue
1933 // 2: Job not done, continue
1934 enum { OK = 0 , IGR = 1, CONT = 2 };
1935 virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
1936 virtual int operator() ( void * n ) = 0;
1937 };
1938
1939 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1940 {
1941 if( node==NULL )
1942 return false;
1943
1944 switch( func( node ) )
1945 {
1946 case DoJob::OK :
1947 return true ;
1948 case DoJob::IGR:
1949 return false;
1950 case DoJob::CONT:
1951 default:
1952 ;
1953 }
1954
1955 wxDataViewTreeNodes nodes = node->GetNodes();
1956 wxDataViewTreeLeaves leaves = node->GetChildren();
1957
1958 int len_nodes = nodes.GetCount();
1959 int len = leaves.GetCount();
1960 int i = 0, nodes_i = 0;
1961
1962 for( ; i < len ; i ++ )
1963 {
1964 void * n = leaves[i];
1965 if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1966 {
1967 wxDataViewTreeNode * nd = nodes[nodes_i];
1968 nodes_i++;
1969
1970 if( Walker( nd , func ) )
1971 return true;
1972
1973 }
1974 else
1975 switch( func( n ) )
1976 {
1977 case DoJob::OK :
1978 return true ;
1979 case DoJob::IGR:
1980 continue;
1981 case DoJob::CONT:
1982 default:
1983 ;
1984 }
1985 }
1986 return false;
1987 }
1988
1989 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1990 {
1991 SortPrepare();
1992
1993 wxDataViewTreeNode * node;
1994 node = FindNode(parent);
1995
1996 if( node == NULL )
1997 return false;
1998
1999 node->SetHasChildren( true );
2000
2001 if( g_model->IsContainer( item ) )
2002 {
2003 wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2004 newnode->SetItem(item);
2005 newnode->SetHasChildren( true );
2006 node->AddNode( newnode);
2007 }
2008 else
2009 node->AddLeaf( item.GetID() );
2010
2011 node->ChangeSubTreeCount(1);
2012
2013 m_count = -1;
2014 UpdateDisplay();
2015
2016 return true;
2017 }
2018
2019 void DestroyTreeHelper( wxDataViewTreeNode * node);
2020
2021 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2022 const wxDataViewItem& item)
2023 {
2024 wxDataViewTreeNode * node = FindNode(parent);
2025
2026 wxCHECK_MSG( node != NULL, false, "item not found" );
2027 wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2028
2029 int sub = -1;
2030 node->GetChildren().Remove( item.GetID() );
2031 //Manuplate selection
2032 if( m_selection.GetCount() > 1 )
2033 {
2034 m_selection.Empty();
2035 }
2036 bool isContainer = false;
2037 wxDataViewTreeNodes nds = node->GetNodes();
2038 for (size_t i = 0; i < nds.GetCount(); i ++)
2039 {
2040 if (nds[i]->GetItem() == item)
2041 {
2042 isContainer = true;
2043 break;
2044 }
2045 }
2046 if( isContainer )
2047 {
2048 wxDataViewTreeNode * n = NULL;
2049 wxDataViewTreeNodes nodes = node->GetNodes();
2050 int len = nodes.GetCount();
2051 for( int i = 0 ; i < len; i ++)
2052 {
2053 if( nodes[i]->GetItem() == item )
2054 {
2055 n = nodes[i];
2056 break;
2057 }
2058 }
2059
2060 wxCHECK_MSG( n != NULL, false, "item not found" );
2061
2062 node->GetNodes().Remove( n );
2063 sub -= n->GetSubTreeCount();
2064 DestroyTreeHelper(n);
2065 }
2066 //Make the row number invalid and get a new valid one when user call GetRowCount
2067 m_count = -1;
2068 node->ChangeSubTreeCount(sub);
2069 if( node->GetChildrenNumber() == 0)
2070 {
2071 node->GetParent()->GetNodes().Remove( node );
2072 delete node;
2073 }
2074
2075 //Change the current row to the last row if the current exceed the max row number
2076 if( m_currentRow > GetRowCount() )
2077 m_currentRow = m_count - 1;
2078
2079 UpdateDisplay();
2080
2081 return true;
2082 }
2083
2084 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2085 {
2086 SortPrepare();
2087 g_model->Resort();
2088
2089 //Send event
2090 wxWindow *parent = GetParent();
2091 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2092 le.SetEventObject(parent);
2093 le.SetModel(GetOwner()->GetModel());
2094 le.SetItem(item);
2095 parent->GetEventHandler()->ProcessEvent(le);
2096
2097 return true;
2098 }
2099
2100 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2101 {
2102 // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2103 /*#define MAX_VIRTUAL_WIDTH 100000
2104
2105 wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2106 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2107 Refresh( true, &rect );
2108
2109 return true;
2110 */
2111 SortPrepare();
2112 g_model->Resort();
2113
2114 //Send event
2115 wxWindow *parent = GetParent();
2116 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2117 le.SetEventObject(parent);
2118 le.SetModel(GetOwner()->GetModel());
2119 le.SetItem(item);
2120 le.SetColumn(col);
2121 le.SetDataViewColumn(GetOwner()->GetColumn(col));
2122 parent->GetEventHandler()->ProcessEvent(le);
2123
2124 return true;
2125 }
2126
2127 bool wxDataViewMainWindow::Cleared()
2128 {
2129 SortPrepare();
2130
2131 DestroyTree();
2132 UpdateDisplay();
2133
2134 return true;
2135 }
2136
2137 void wxDataViewMainWindow::UpdateDisplay()
2138 {
2139 m_dirty = true;
2140 }
2141
2142 void wxDataViewMainWindow::OnInternalIdle()
2143 {
2144 wxWindow::OnInternalIdle();
2145
2146 if (m_dirty)
2147 {
2148 RecalculateDisplay();
2149 m_dirty = false;
2150 }
2151 }
2152
2153 void wxDataViewMainWindow::RecalculateDisplay()
2154 {
2155 wxDataViewModel *model = GetOwner()->GetModel();
2156 if (!model)
2157 {
2158 Refresh();
2159 return;
2160 }
2161
2162 int width = GetEndOfLastCol();
2163 int height = GetRowCount() * m_lineHeight;
2164
2165 SetVirtualSize( width, height );
2166 GetOwner()->SetScrollRate( 10, m_lineHeight );
2167
2168 Refresh();
2169 }
2170
2171 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2172 {
2173 wxWindow::ScrollWindow( dx, dy, rect );
2174
2175 if (GetOwner()->m_headerArea)
2176 GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2177 }
2178
2179 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2180 {
2181 int x, y;
2182 m_owner->GetScrollPixelsPerUnit( &x, &y );
2183 int sy = rows*m_lineHeight/y;
2184 int sx = 0;
2185 if( column != -1 )
2186 {
2187 wxRect rect = GetClientRect();
2188 int colnum = 0;
2189 int x_start = 0, x_end = 0, w = 0;
2190 int xx, yy, xe;
2191 m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2192 for (x_start = 0; colnum < column; colnum++)
2193 {
2194 wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2195 if (col->IsHidden())
2196 continue; // skip it!
2197
2198 w = col->GetWidth();
2199 x_start += w;
2200 }
2201
2202 x_end = x_start + w;
2203 xe = xx + rect.width;
2204 if( x_end > xe )
2205 {
2206 sx = ( xx + x_end - xe )/x;
2207 }
2208 if( x_start < xx )
2209 {
2210 sx = x_start/x;
2211 }
2212 }
2213 m_owner->Scroll( sx, sy );
2214 }
2215
2216 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2217 {
2218 wxDataViewModel *model = GetOwner()->GetModel();
2219 wxAutoBufferedPaintDC dc( this );
2220
2221 // prepare the DC
2222 dc.SetBackground(GetBackgroundColour());
2223 dc.Clear();
2224 GetOwner()->PrepareDC( dc );
2225 dc.SetFont( GetFont() );
2226
2227 wxRect update = GetUpdateRegion().GetBox();
2228 m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2229
2230 // compute which items needs to be redrawn
2231 unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2232 unsigned int item_count =
2233 wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2234 (int)(GetRowCount( )- item_start) );
2235 unsigned int item_last = item_start + item_count;
2236
2237 // compute which columns needs to be redrawn
2238 unsigned int cols = GetOwner()->GetColumnCount();
2239 unsigned int col_start = 0;
2240 unsigned int x_start = 0;
2241 for (x_start = 0; col_start < cols; col_start++)
2242 {
2243 wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2244 if (col->IsHidden())
2245 continue; // skip it!
2246
2247 unsigned int w = col->GetWidth();
2248 if (x_start+w >= (unsigned int)update.x)
2249 break;
2250
2251 x_start += w;
2252 }
2253
2254 unsigned int col_last = col_start;
2255 unsigned int x_last = x_start;
2256 for (; col_last < cols; col_last++)
2257 {
2258 wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2259 if (col->IsHidden())
2260 continue; // skip it!
2261
2262 if (x_last > (unsigned int)update.GetRight())
2263 break;
2264
2265 x_last += col->GetWidth();
2266 }
2267
2268 // Draw horizontal rules if required
2269 if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2270 {
2271 dc.SetPen(m_penRule);
2272 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2273
2274 for (unsigned int i = item_start; i <= item_last+1; i++)
2275 {
2276 int y = i * m_lineHeight;
2277 dc.DrawLine(x_start, y, x_last, y);
2278 }
2279 }
2280
2281 // Draw vertical rules if required
2282 if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2283 {
2284 dc.SetPen(m_penRule);
2285 dc.SetBrush(*wxTRANSPARENT_BRUSH);
2286
2287 int x = x_start;
2288 for (unsigned int i = col_start; i < col_last; i++)
2289 {
2290 wxDataViewColumn *col = GetOwner()->GetColumn(i);
2291 if (col->IsHidden())
2292 continue; // skip it
2293
2294 dc.DrawLine(x, item_start * m_lineHeight,
2295 x, item_last * m_lineHeight);
2296
2297 x += col->GetWidth();
2298 }
2299
2300 // Draw last vertical rule
2301 dc.DrawLine(x, item_start * m_lineHeight,
2302 x, item_last * m_lineHeight);
2303 }
2304
2305 // redraw the background for the items which are selected/current
2306 for (unsigned int item = item_start; item < item_last; item++)
2307 {
2308 bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2309 if (selected || item == m_currentRow)
2310 {
2311 int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2312 if (item == m_currentRow)
2313 flags |= wxCONTROL_CURRENT;
2314 if (m_hasFocus)
2315 flags |= wxCONTROL_FOCUSED;
2316
2317 wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2318 wxRendererNative::Get().DrawItemSelectionRect
2319 (
2320 this,
2321 dc,
2322 rect,
2323 flags
2324 );
2325 }
2326 }
2327
2328 wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2329 if (!expander)
2330 {
2331 // TODO: last column for RTL support
2332 expander = GetOwner()->GetColumn( 0 );
2333 GetOwner()->SetExpanderColumn(expander);
2334 }
2335
2336 // redraw all cells for all rows which must be repainted and for all columns
2337 wxRect cell_rect;
2338 cell_rect.x = x_start;
2339 cell_rect.height = m_lineHeight; // -1 is for the horizontal rules
2340 for (unsigned int i = col_start; i < col_last; i++)
2341 {
2342 wxDataViewColumn *col = GetOwner()->GetColumn( i );
2343 wxDataViewRenderer *cell = col->GetRenderer();
2344 cell_rect.width = col->GetWidth();
2345
2346 if (col->IsHidden())
2347 continue; // skipt it!
2348
2349
2350 for (unsigned int item = item_start; item < item_last; item++)
2351 {
2352 // get the cell value and set it into the renderer
2353 wxVariant value;
2354 wxDataViewTreeNode * node = GetTreeNodeByRow(item);
2355 if( node == NULL )
2356 continue;
2357
2358 wxDataViewItem dataitem = node->GetItem();
2359
2360 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2361 continue;
2362
2363 model->GetValue( value, dataitem, col->GetModelColumn());
2364 cell->SetValue( value );
2365
2366 // update the y offset
2367 cell_rect.y = item * m_lineHeight;
2368
2369 //Draw the expander here.
2370 int indent = node->GetIndentLevel();
2371 if( col == expander )
2372 {
2373 //Calculate the indent first
2374 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2375
2376 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2377 // change the cell_rect.x to the appropriate pos
2378 int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2379 indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
2380 dc.SetPen( m_penExpander );
2381 dc.SetBrush( wxNullBrush );
2382 if( node->HasChildren() )
2383 {
2384 wxRect rect( expander_x , expander_y, expander_width, expander_width);
2385 int flag = 0;
2386 if (m_underMouse == node)
2387 {
2388 flag |= wxCONTROL_CURRENT;
2389 }
2390 if( node->IsOpen() )
2391 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2392 else
2393 wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2394 }
2395 else
2396 {
2397 // I am wandering whether we should draw dot lines between tree nodes
2398 delete node;
2399 //Yes, if the node does not have any child, it must be a leaf which mean that it is a temporarily created by GetTreeNodeByRow
2400 }
2401
2402 //force the expander column to left-center align
2403 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2404 }
2405
2406
2407 // cannot be bigger than allocated space
2408 wxSize size = cell->GetSize();
2409 // Because of the tree structure indent, here we should minus the width of the cell for drawing
2410 size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2411 // size.y = wxMin( size.y, cell_rect.height );
2412 size.y = cell_rect.height;
2413
2414 wxRect item_rect(cell_rect.GetTopLeft(), size);
2415 int align = cell->GetAlignment();
2416
2417 // horizontal alignment:
2418 item_rect.x = cell_rect.x;
2419 if (align & wxALIGN_CENTER_HORIZONTAL)
2420 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2421 else if (align & wxALIGN_RIGHT)
2422 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2423 //else: wxALIGN_LEFT is the default
2424
2425 // vertical alignment:
2426 item_rect.y = cell_rect.y;
2427 if (align & wxALIGN_CENTER_VERTICAL)
2428 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2429 else if (align & wxALIGN_BOTTOM)
2430 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2431 //else: wxALIGN_TOP is the default
2432
2433 // add padding
2434 item_rect.x += PADDING_RIGHTLEFT;
2435 item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2436
2437 //Here we add the tree indent
2438 item_rect.x += indent;
2439
2440 int state = 0;
2441 if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2442 state |= wxDATAVIEW_CELL_SELECTED;
2443
2444 // TODO: it would be much more efficient to create a clipping
2445 // region for the entire column being rendered (in the OnPaint
2446 // of wxDataViewMainWindow) instead of a single clip region for
2447 // each cell. However it would mean that each renderer should
2448 // respect the given wxRect's top & bottom coords, eventually
2449 // violating only the left & right coords - however the user can
2450 // make its own renderer and thus we cannot be sure of that.
2451 dc.SetClippingRegion( item_rect );
2452 cell->Render( item_rect, &dc, state );
2453 dc.DestroyClippingRegion();
2454 }
2455
2456 cell_rect.x += cell_rect.width;
2457 }
2458 }
2459
2460 int wxDataViewMainWindow::GetCountPerPage() const
2461 {
2462 wxSize size = GetClientSize();
2463 return size.y / m_lineHeight;
2464 }
2465
2466 int wxDataViewMainWindow::GetEndOfLastCol() const
2467 {
2468 int width = 0;
2469 unsigned int i;
2470 for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2471 {
2472 const wxDataViewColumn *c =
2473 wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2474
2475 if (!c->IsHidden())
2476 width += c->GetWidth();
2477 }
2478 return width;
2479 }
2480
2481 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2482 {
2483 int x = 0;
2484 int y = 0;
2485 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2486
2487 return y / m_lineHeight;
2488 }
2489
2490 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2491 {
2492 wxSize client_size = GetClientSize();
2493 m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2494 &client_size.x, &client_size.y );
2495
2496 //we should deal with the pixel here
2497 unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2498
2499 return wxMin( GetRowCount()-1, row );
2500 }
2501
2502 unsigned int wxDataViewMainWindow::GetRowCount()
2503 {
2504 if ( m_count == -1 )
2505 {
2506 m_count = RecalculateCount();
2507 int width, height;
2508 GetVirtualSize( &width, &height );
2509 height = m_count * m_lineHeight;
2510
2511 SetVirtualSize( width, height );
2512 }
2513 return m_count;
2514 }
2515
2516 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2517 {
2518 m_currentRow = row;
2519
2520 // send event
2521 }
2522
2523 void wxDataViewMainWindow::SelectAllRows( bool on )
2524 {
2525 if (IsEmpty())
2526 return;
2527
2528 if (on)
2529 {
2530 m_selection.Clear();
2531 for (unsigned int i = 0; i < GetRowCount(); i++)
2532 m_selection.Add( i );
2533 Refresh();
2534 }
2535 else
2536 {
2537 unsigned int first_visible = GetFirstVisibleRow();
2538 unsigned int last_visible = GetLastVisibleRow();
2539 unsigned int i;
2540 for (i = 0; i < m_selection.GetCount(); i++)
2541 {
2542 unsigned int row = m_selection[i];
2543 if ((row >= first_visible) && (row <= last_visible))
2544 RefreshRow( row );
2545 }
2546 m_selection.Clear();
2547 }
2548 }
2549
2550 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2551 {
2552 if (m_selection.Index( row ) == wxNOT_FOUND)
2553 {
2554 if (on)
2555 {
2556 m_selection.Add( row );
2557 RefreshRow( row );
2558 }
2559 }
2560 else
2561 {
2562 if (!on)
2563 {
2564 m_selection.Remove( row );
2565 RefreshRow( row );
2566 }
2567 }
2568 }
2569
2570 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2571 {
2572 if (from > to)
2573 {
2574 unsigned int tmp = from;
2575 from = to;
2576 to = tmp;
2577 }
2578
2579 unsigned int i;
2580 for (i = from; i <= to; i++)
2581 {
2582 if (m_selection.Index( i ) == wxNOT_FOUND)
2583 {
2584 if (on)
2585 m_selection.Add( i );
2586 }
2587 else
2588 {
2589 if (!on)
2590 m_selection.Remove( i );
2591 }
2592 }
2593 RefreshRows( from, to );
2594 }
2595
2596 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2597 {
2598 for (size_t i=0; i < aSelections.GetCount(); i++)
2599 {
2600 int n = aSelections[i];
2601
2602 m_selection.Add( n );
2603 RefreshRow( n );
2604 }
2605 }
2606
2607 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2608 {
2609 if (m_selection.Index( row ) == wxNOT_FOUND)
2610 m_selection.Add( row );
2611 else
2612 m_selection.Remove( row );
2613 RefreshRow( row );
2614 }
2615
2616 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2617 {
2618 return (m_selection.Index( row ) != wxNOT_FOUND);
2619 }
2620
2621 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2622 {
2623 wxWindow *parent = GetParent();
2624 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2625
2626 le.SetEventObject(parent);
2627 le.SetModel(GetOwner()->GetModel());
2628 le.SetItem( item );
2629
2630 parent->GetEventHandler()->ProcessEvent(le);
2631 }
2632
2633 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2634 {
2635 wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2636 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2637
2638 wxSize client_size = GetClientSize();
2639 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2640 wxRect intersect_rect = client_rect.Intersect( rect );
2641 if (intersect_rect.width > 0)
2642 Refresh( true, &intersect_rect );
2643 }
2644
2645 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2646 {
2647 if (from > to)
2648 {
2649 unsigned int tmp = to;
2650 to = from;
2651 from = tmp;
2652 }
2653
2654 wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2655 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2656
2657 wxSize client_size = GetClientSize();
2658 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2659 wxRect intersect_rect = client_rect.Intersect( rect );
2660 if (intersect_rect.width > 0)
2661 Refresh( true, &intersect_rect );
2662 }
2663
2664 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2665 {
2666 unsigned int count = GetRowCount();
2667 if (firstRow > count)
2668 return;
2669
2670 wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2671 m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2672
2673 wxSize client_size = GetClientSize();
2674 wxRect client_rect( 0, 0, client_size.x, client_size.y );
2675 wxRect intersect_rect = client_rect.Intersect( rect );
2676 if (intersect_rect.width > 0)
2677 Refresh( true, &intersect_rect );
2678 }
2679
2680 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2681 {
2682 wxCHECK_RET( newCurrent < GetRowCount(),
2683 _T("invalid item index in OnArrowChar()") );
2684
2685 // if there is no selection, we cannot move it anywhere
2686 if (!HasCurrentRow())
2687 return;
2688
2689 unsigned int oldCurrent = m_currentRow;
2690
2691 // in single selection we just ignore Shift as we can't select several
2692 // items anyhow
2693 if ( event.ShiftDown() && !IsSingleSel() )
2694 {
2695 RefreshRow( oldCurrent );
2696
2697 ChangeCurrentRow( newCurrent );
2698
2699 // select all the items between the old and the new one
2700 if ( oldCurrent > newCurrent )
2701 {
2702 newCurrent = oldCurrent;
2703 oldCurrent = m_currentRow;
2704 }
2705
2706 SelectRows( oldCurrent, newCurrent, true );
2707 if (oldCurrent!=newCurrent)
2708 SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2709 }
2710 else // !shift
2711 {
2712 RefreshRow( oldCurrent );
2713
2714 // all previously selected items are unselected unless ctrl is held
2715 if ( !event.ControlDown() )
2716 SelectAllRows(false);
2717
2718 ChangeCurrentRow( newCurrent );
2719
2720 if ( !event.ControlDown() )
2721 {
2722 SelectRow( m_currentRow, true );
2723 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2724 }
2725 else
2726 RefreshRow( m_currentRow );
2727 }
2728
2729 GetOwner()->EnsureVisible( m_currentRow, -1 );
2730 }
2731
2732 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2733 {
2734 wxRect rect;
2735 rect.x = 0;
2736 rect.y = m_lineHeight * row;
2737 rect.width = GetEndOfLastCol();
2738 rect.height = m_lineHeight;
2739
2740 return rect;
2741 }
2742
2743 class RowToItemJob: public DoJob
2744 {
2745 public:
2746 RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2747 virtual ~RowToItemJob(){};
2748
2749 virtual int operator() ( wxDataViewTreeNode * node )
2750 {
2751 current ++;
2752 if( current == static_cast<int>(row))
2753 {
2754 ret = node->GetItem() ;
2755 return DoJob::OK;
2756 }
2757
2758 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2759 {
2760 current += node->GetSubTreeCount();
2761 return DoJob::IGR;
2762 }
2763 else
2764 {
2765 //If the current has no child node, we can find the desired item of the row number directly.
2766 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2767 if( node->GetNodes().GetCount() == 0)
2768 {
2769 int index = static_cast<int>(row) - current - 1;
2770 ret = node->GetChildren().Item( index );
2771 return DoJob::OK;
2772 }
2773 return DoJob::CONT;
2774 }
2775 }
2776
2777 virtual int operator() ( void * n )
2778 {
2779 current ++;
2780 if( current == static_cast<int>(row))
2781 {
2782 ret = wxDataViewItem( n ) ;
2783 return DoJob::OK;
2784 }
2785 return DoJob::CONT;
2786 }
2787 wxDataViewItem GetResult(){ return ret; }
2788 private:
2789 unsigned int row;
2790 int current ;
2791 wxDataViewItem ret;
2792 };
2793
2794 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2795 {
2796 RowToItemJob job( row, -2 );
2797 Walker( m_root , job );
2798 return job.GetResult();
2799 }
2800
2801 class RowToTreeNodeJob: public DoJob
2802 {
2803 public:
2804 RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2805 {
2806 this->row = row;
2807 this->current = current ;
2808 ret = NULL ;
2809 parent = node;
2810 }
2811 virtual ~RowToTreeNodeJob(){};
2812
2813 virtual int operator() ( wxDataViewTreeNode * node )
2814 {
2815 current ++;
2816 if( current == static_cast<int>(row))
2817 {
2818 ret = node ;
2819 return DoJob::OK;
2820 }
2821
2822 if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2823 {
2824 current += node->GetSubTreeCount();
2825 return DoJob::IGR;
2826 }
2827 else
2828 {
2829 parent = node;
2830 //If the current has no child node, we can find the desired item of the row number directly.
2831 //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2832 if( node->GetNodes().GetCount() == 0)
2833 {
2834 int index = static_cast<int>(row) - current - 1;
2835 void * n = node->GetChildren().Item( index );
2836 ret = new wxDataViewTreeNode( parent ) ;
2837 ret->SetItem( wxDataViewItem( n ));
2838 ret->SetHasChildren(false);
2839 return DoJob::OK;
2840 }
2841 return DoJob::CONT;
2842 }
2843
2844
2845 }
2846
2847 virtual int operator() ( void * n )
2848 {
2849 current ++;
2850 if( current == static_cast<int>(row))
2851 {
2852 ret = new wxDataViewTreeNode( parent ) ;
2853 ret->SetItem( wxDataViewItem( n ));
2854 ret->SetHasChildren(false);
2855 return DoJob::OK;
2856 }
2857
2858 return DoJob::CONT;
2859 }
2860 wxDataViewTreeNode * GetResult(){ return ret; }
2861 private:
2862 unsigned int row;
2863 int current ;
2864 wxDataViewTreeNode * ret;
2865 wxDataViewTreeNode * parent ;
2866 };
2867
2868
2869 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
2870 {
2871 RowToTreeNodeJob job( row , -2, m_root );
2872 Walker( m_root , job );
2873 return job.GetResult();
2874 }
2875
2876 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2877 {
2878 wxWindow *parent = GetParent();
2879 wxDataViewEvent le(type, parent->GetId());
2880
2881 le.SetEventObject(parent);
2882 le.SetModel(GetOwner()->GetModel());
2883 le.SetItem( item );
2884
2885 parent->GetEventHandler()->ProcessEvent(le);
2886 return le;
2887 }
2888
2889 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2890 {
2891 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2892 if( node != NULL )
2893 {
2894 if( node->HasChildren())
2895 {
2896 if( !node->IsOpen())
2897 {
2898 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2899 //Check if the user prevent expanding
2900 if( e.GetSkipped() )
2901 return;
2902
2903 node->ToggleOpen();
2904 //Here I build the children of current node
2905 if( node->GetChildrenNumber() == 0 )
2906 {
2907 SortPrepare();
2908 BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2909 }
2910 m_count = -1;
2911 UpdateDisplay();
2912 //Send the expanded event
2913 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2914 }
2915 else
2916 {
2917 SelectRow( row, false );
2918 SelectRow( row + 1, true );
2919 ChangeCurrentRow( row + 1 );
2920 SendSelectionChangedEvent( GetItemByRow(row+1));
2921 }
2922 }
2923 else
2924 delete node;
2925 }
2926 }
2927
2928 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2929 {
2930 wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2931 if( node != NULL )
2932 {
2933 wxDataViewTreeNode * nd = node;
2934
2935 if( node->HasChildren() && node->IsOpen() )
2936 {
2937 wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2938 if( e.GetSkipped() )
2939 return;
2940 node->ToggleOpen();
2941 m_count = -1;
2942 UpdateDisplay();
2943 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
2944 }
2945 else
2946 {
2947 node = node->GetParent();
2948 if( node != NULL )
2949 {
2950 int parent = GetRowByItem( node->GetItem() ) ;
2951 if( parent >= 0 )
2952 {
2953 SelectRow( row, false);
2954 SelectRow(parent , true );
2955 ChangeCurrentRow( parent );
2956 SendSelectionChangedEvent( node->GetItem() );
2957 }
2958 }
2959 }
2960 if( !nd->HasChildren())
2961 delete nd;
2962 }
2963 }
2964
2965 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2966 {
2967 wxDataViewModel * model = GetOwner()->GetModel();
2968 if( model == NULL )
2969 return NULL;
2970
2971 //Compose the a parent-chain of the finding item
2972 ItemList list;
2973 list.DeleteContents( true );
2974 wxDataViewItem it( item );
2975 while( it.IsOk() )
2976 {
2977 wxDataViewItem * pItem = new wxDataViewItem( it );
2978 list.Insert( pItem );
2979 it = model->GetParent( it );
2980 }
2981
2982 //Find the item along the parent-chain.
2983 //This algorithm is designed to speed up the node-finding method
2984 wxDataViewTreeNode * node = m_root;
2985 for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
2986 {
2987 if( node->HasChildren() )
2988 {
2989 if( node->GetChildrenNumber() == 0 )
2990 {
2991 SortPrepare();
2992 BuildTreeHelper(model, node->GetItem(), node);
2993 }
2994
2995 wxDataViewTreeNodes nodes = node->GetNodes();
2996 unsigned int i = 0;
2997 for (; i < nodes.GetCount(); i ++)
2998 {
2999 if (nodes[i]->GetItem() == (**iter))
3000 {
3001 node = nodes[i];
3002 break;
3003 }
3004 }
3005 if (i == nodes.GetCount())
3006 return NULL;
3007 }
3008 else
3009 return NULL;
3010 }
3011 return node;
3012 }
3013
3014 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3015 {
3016 wxDataViewColumn *col = NULL;
3017 unsigned int cols = GetOwner()->GetColumnCount();
3018 unsigned int colnum = 0;
3019 unsigned int x_start = 0;
3020 int x, y;
3021 m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3022 for (x_start = 0; colnum < cols; colnum++)
3023 {
3024 col = GetOwner()->GetColumn(colnum);
3025 if (col->IsHidden())
3026 continue; // skip it!
3027
3028 unsigned int w = col->GetWidth();
3029 if (x_start+w >= (unsigned int)x)
3030 break;
3031
3032 x_start += w;
3033 }
3034
3035 column = col;
3036 item = GetItemByRow( y/m_lineHeight );
3037 }
3038
3039 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3040 {
3041 int row = GetRowByItem(item);
3042 int y = row*m_lineHeight;
3043 int h = m_lineHeight;
3044 int x = 0;
3045 wxDataViewColumn *col = NULL;
3046 for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3047 {
3048 col = GetOwner()->GetColumn( i );
3049 x += col->GetWidth();
3050 if( GetOwner()->GetColumn(i+1) == column )
3051 break;
3052 }
3053 int w = col->GetWidth();
3054 m_owner->CalcScrolledPosition( x, y, &x, &y );
3055 return wxRect(x, y, w, h);
3056 }
3057
3058 int wxDataViewMainWindow::RecalculateCount()
3059 {
3060 return m_root->GetSubTreeCount();
3061 }
3062
3063 class ItemToRowJob : public DoJob
3064 {
3065 public:
3066 ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3067 { this->item = item ; ret = -1 ; m_iter = iter ; }
3068 virtual ~ItemToRowJob(){};
3069
3070 //Maybe binary search will help to speed up this process
3071 virtual int operator() ( wxDataViewTreeNode * node)
3072 {
3073 ret ++;
3074 if( node->GetItem() == item )
3075 {
3076 return DoJob::OK;
3077 }
3078
3079 if( node->GetItem() == **m_iter )
3080 {
3081 m_iter++ ;
3082 return DoJob::CONT;
3083 }
3084 else
3085 {
3086 ret += node->GetSubTreeCount();
3087 return DoJob::IGR;
3088 }
3089
3090 }
3091
3092 virtual int operator() ( void * n )
3093 {
3094 ret ++;
3095 if( n == item.GetID() )
3096 return DoJob::OK;
3097 return DoJob::CONT;
3098 }
3099 //the row number is begin from zero
3100 int GetResult(){ return ret -1 ; }
3101 private:
3102 ItemList::const_iterator m_iter;
3103 wxDataViewItem item;
3104 int ret;
3105
3106 };
3107
3108 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3109 {
3110 wxDataViewModel * model = GetOwner()->GetModel();
3111 if( model == NULL )
3112 return -1;
3113
3114 if( !item.IsOk() )
3115 return -1;
3116
3117 //Compose the a parent-chain of the finding item
3118 ItemList list;
3119 wxDataViewItem * pItem = NULL;
3120 list.DeleteContents( true );
3121 wxDataViewItem it( item );
3122 while( it.IsOk() )
3123 {
3124 pItem = new wxDataViewItem( it );
3125 list.Insert( pItem );
3126 it = model->GetParent( it );
3127 }
3128 pItem = new wxDataViewItem( );
3129 list.Insert( pItem );
3130
3131 ItemToRowJob job( item, list.begin() );
3132 Walker(m_root , job );
3133 return job.GetResult();
3134 }
3135
3136 void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node)
3137 {
3138 if( !model->IsContainer( item ) )
3139 return ;
3140
3141 wxDataViewItemArray children;
3142 unsigned int num = model->GetChildren( item, children);
3143 unsigned int index = 0;
3144 while( index < num )
3145 {
3146 if( model->IsContainer( children[index] ) )
3147 {
3148 wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3149 n->SetItem(children[index]);
3150 n->SetHasChildren( true ) ;
3151 node->AddNode( n );
3152 }
3153 else
3154 {
3155 node->AddLeaf( children[index].GetID() );
3156 }
3157 index ++;
3158 }
3159 node->SetSubTreeCount( num );
3160 wxDataViewTreeNode * n = node->GetParent();
3161 if( n != NULL)
3162 n->ChangeSubTreeCount(num);
3163
3164 }
3165
3166 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3167 {
3168 //First we define a invalid item to fetch the top-level elements
3169 wxDataViewItem item;
3170 SortPrepare();
3171 BuildTreeHelper( model, item, m_root);
3172 m_count = -1 ;
3173 }
3174
3175 void DestroyTreeHelper( wxDataViewTreeNode * node )
3176 {
3177 if( node->GetNodeNumber() != 0 )
3178 {
3179 int len = node->GetNodeNumber();
3180 int i = 0 ;
3181 wxDataViewTreeNodes nodes = node->GetNodes();
3182 for( ; i < len; i ++ )
3183 {
3184 DestroyTreeHelper(nodes[i]);
3185 }
3186 }
3187 delete node;
3188 }
3189
3190 void wxDataViewMainWindow::DestroyTree()
3191 {
3192 DestroyTreeHelper(m_root);
3193 m_root->SetSubTreeCount(0);
3194 m_count = 0 ;
3195 }
3196
3197 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3198 {
3199 if (event.GetKeyCode() == WXK_TAB)
3200 {
3201 wxNavigationKeyEvent nevent;
3202 nevent.SetWindowChange( event.ControlDown() );
3203 nevent.SetDirection( !event.ShiftDown() );
3204 nevent.SetEventObject( GetParent()->GetParent() );
3205 nevent.SetCurrentFocus( m_parent );
3206 if (GetParent()->GetParent()->GetEventHandler()->ProcessEvent( nevent ))
3207 return;
3208 }
3209
3210 // no item -> nothing to do
3211 if (!HasCurrentRow())
3212 {
3213 event.Skip();
3214 return;
3215 }
3216
3217 // don't use m_linesPerPage directly as it might not be computed yet
3218 const int pageSize = GetCountPerPage();
3219 wxCHECK_RET( pageSize, _T("should have non zero page size") );
3220
3221 switch ( event.GetKeyCode() )
3222 {
3223 case WXK_RETURN:
3224 {
3225 if (m_currentRow > 0)
3226 {
3227 wxWindow *parent = GetParent();
3228 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3229 le.SetItem( GetItemByRow(m_currentRow) );
3230 le.SetEventObject(parent);
3231 le.SetModel(GetOwner()->GetModel());
3232
3233 parent->GetEventHandler()->ProcessEvent(le);
3234 }
3235 break;
3236 }
3237 case WXK_UP:
3238 if ( m_currentRow > 0 )
3239 OnArrowChar( m_currentRow - 1, event );
3240 break;
3241
3242 case WXK_DOWN:
3243 if ( m_currentRow < GetRowCount() - 1 )
3244 OnArrowChar( m_currentRow + 1, event );
3245 break;
3246 //Add the process for tree expanding/collapsing
3247 case WXK_LEFT:
3248 OnCollapsing(m_currentRow);
3249 break;
3250 case WXK_RIGHT:
3251 OnExpanding( m_currentRow);
3252 break;
3253 case WXK_END:
3254 if (!IsEmpty())
3255 OnArrowChar( GetRowCount() - 1, event );
3256 break;
3257
3258 case WXK_HOME:
3259 if (!IsEmpty())
3260 OnArrowChar( 0, event );
3261 break;
3262
3263 case WXK_PAGEUP:
3264 {
3265 int steps = pageSize - 1;
3266 int index = m_currentRow - steps;
3267 if (index < 0)
3268 index = 0;
3269
3270 OnArrowChar( index, event );
3271 }
3272 break;
3273
3274 case WXK_PAGEDOWN:
3275 {
3276 int steps = pageSize - 1;
3277 unsigned int index = m_currentRow + steps;
3278 unsigned int count = GetRowCount();
3279 if ( index >= count )
3280 index = count - 1;
3281
3282 OnArrowChar( index, event );
3283 }
3284 break;
3285
3286 default:
3287 event.Skip();
3288 }
3289 }
3290
3291 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3292 {
3293 if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3294 {
3295 // let the base handle mouse wheel events.
3296 event.Skip();
3297 return;
3298 }
3299
3300 int x = event.GetX();
3301 int y = event.GetY();
3302 m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3303 wxDataViewColumn *col = NULL;
3304
3305 int xpos = 0;
3306 unsigned int cols = GetOwner()->GetColumnCount();
3307 unsigned int i;
3308 for (i = 0; i < cols; i++)
3309 {
3310 wxDataViewColumn *c = GetOwner()->GetColumn( i );
3311 if (c->IsHidden())
3312 continue; // skip it!
3313
3314 if (x < xpos + c->GetWidth())
3315 {
3316 col = c;
3317 break;
3318 }
3319 xpos += c->GetWidth();
3320 }
3321 if (!col)
3322 return;
3323
3324 wxDataViewRenderer *cell = col->GetRenderer();
3325 unsigned int current = y / m_lineHeight;
3326 if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3327 {
3328 // Unselect all if below the last row ?
3329 return;
3330 }
3331
3332 //Test whether the mouse is hovered on the tree item button
3333 bool hover = false;
3334 if (GetOwner()->GetExpanderColumn() == col)
3335 {
3336 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3337 if( node!=NULL && node->HasChildren() )
3338 {
3339 int indent = node->GetIndentLevel();
3340 indent = GetOwner()->GetIndent()*indent;
3341 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3342 if( rect.Contains( x, y) )
3343 {
3344 //So the mouse is over the expander
3345 hover = true;
3346 if (m_underMouse && m_underMouse != node)
3347 {
3348 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3349 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3350 }
3351 if (m_underMouse != node)
3352 {
3353 //wxLogMessage("Do the row: %d", current);
3354 RefreshRow(current);
3355 }
3356 m_underMouse = node;
3357 }
3358 }
3359 if (node!=NULL && !node->HasChildren())
3360 delete node;
3361 }
3362 if (!hover)
3363 {
3364 if (m_underMouse != NULL)
3365 {
3366 //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3367 RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3368 m_underMouse = NULL;
3369 }
3370 }
3371
3372 wxDataViewModel *model = GetOwner()->GetModel();
3373
3374 if (event.Dragging())
3375 {
3376 if (m_dragCount == 0)
3377 {
3378 // we have to report the raw, physical coords as we want to be
3379 // able to call HitTest(event.m_pointDrag) from the user code to
3380 // get the item being dragged
3381 m_dragStart = event.GetPosition();
3382 }
3383
3384 m_dragCount++;
3385
3386 if (m_dragCount != 3)
3387 return;
3388
3389 if (event.LeftIsDown())
3390 {
3391 // Notify cell about drag
3392 }
3393 return;
3394 }
3395 else
3396 {
3397 m_dragCount = 0;
3398 }
3399
3400 bool forceClick = false;
3401
3402 if (event.ButtonDClick())
3403 {
3404 m_renameTimer->Stop();
3405 m_lastOnSame = false;
3406 }
3407
3408 wxDataViewItem item = GetItemByRow(current);
3409 bool ignore_other_columns =
3410 ((GetOwner()->GetExpanderColumn() != col) &&
3411 (model->IsContainer(item)) &&
3412 (!model->HasContainerColumns(item)));
3413
3414 if (event.LeftDClick())
3415 {
3416 if ( current == m_lineLastClicked )
3417 {
3418 if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3419 {
3420 wxVariant value;
3421 model->GetValue( value, item, col->GetModelColumn() );
3422 cell->SetValue( value );
3423 wxRect cell_rect( xpos, current * m_lineHeight,
3424 col->GetWidth(), m_lineHeight );
3425 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3426
3427 }
3428 else
3429 {
3430 wxWindow *parent = GetParent();
3431 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3432 le.SetItem( item );
3433 le.SetEventObject(parent);
3434 le.SetModel(GetOwner()->GetModel());
3435
3436 parent->GetEventHandler()->ProcessEvent(le);
3437 }
3438 return;
3439 }
3440 else
3441 {
3442 // The first click was on another item, so don't interpret this as
3443 // a double click, but as a simple click instead
3444 forceClick = true;
3445 }
3446 }
3447
3448 if (event.LeftUp())
3449 {
3450 if (m_lineSelectSingleOnUp != (unsigned int)-1)
3451 {
3452 // select single line
3453 SelectAllRows( false );
3454 SelectRow( m_lineSelectSingleOnUp, true );
3455 }
3456
3457 //Process the event of user clicking the expander
3458 bool expander = false;
3459 if (GetOwner()->GetExpanderColumn() == col)
3460 {
3461 wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3462 if( node!=NULL && node->HasChildren() )
3463 {
3464 int indent = node->GetIndentLevel();
3465 indent = GetOwner()->GetIndent()*indent;
3466 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3467 if( rect.Contains( x, y) )
3468 {
3469 expander = true;
3470 if( node->IsOpen() )
3471 OnCollapsing(current);
3472 else
3473 OnExpanding( current );
3474 }
3475 }
3476 }
3477 //If the user click the expander, we do not do editing even if the column with expander are editable
3478 if (m_lastOnSame && !expander && !ignore_other_columns)
3479 {
3480 if ((col == m_currentCol) && (current == m_currentRow) &&
3481 (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
3482 {
3483 m_renameTimer->Start( 100, true );
3484 }
3485 }
3486
3487 m_lastOnSame = false;
3488 m_lineSelectSingleOnUp = (unsigned int)-1;
3489 }
3490 else
3491 {
3492 // This is necessary, because after a DnD operation in
3493 // from and to ourself, the up event is swallowed by the
3494 // DnD code. So on next non-up event (which means here and
3495 // now) m_lineSelectSingleOnUp should be reset.
3496 m_lineSelectSingleOnUp = (unsigned int)-1;
3497 }
3498
3499 if (event.RightDown())
3500 {
3501 m_lineBeforeLastClicked = m_lineLastClicked;
3502 m_lineLastClicked = current;
3503
3504 // If the item is already selected, do not update the selection.
3505 // Multi-selections should not be cleared if a selected item is clicked.
3506 if (!IsRowSelected(current))
3507 {
3508 SelectAllRows(false);
3509 ChangeCurrentRow(current);
3510 SelectRow(m_currentRow,true);
3511 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3512 }
3513
3514 // notify cell about right click
3515 // cell->...
3516
3517 // Allow generation of context menu event
3518 event.Skip();
3519 }
3520 else if (event.MiddleDown())
3521 {
3522 // notify cell about middle click
3523 // cell->...
3524 }
3525 if (event.LeftDown() || forceClick)
3526 {
3527 SetFocus();
3528
3529 m_lineBeforeLastClicked = m_lineLastClicked;
3530 m_lineLastClicked = current;
3531
3532 unsigned int oldCurrentRow = m_currentRow;
3533 bool oldWasSelected = IsRowSelected(m_currentRow);
3534
3535 bool cmdModifierDown = event.CmdDown();
3536 if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3537 {
3538 if ( IsSingleSel() || !IsRowSelected(current) )
3539 {
3540 SelectAllRows( false );
3541 ChangeCurrentRow(current);
3542 SelectRow(m_currentRow,true);
3543 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3544 }
3545 else // multi sel & current is highlighted & no mod keys
3546 {
3547 m_lineSelectSingleOnUp = current;
3548 ChangeCurrentRow(current); // change focus
3549 }
3550 }
3551 else // multi sel & either ctrl or shift is down
3552 {
3553 if (cmdModifierDown)
3554 {
3555 ChangeCurrentRow(current);
3556 ReverseRowSelection(m_currentRow);
3557 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3558 }
3559 else if (event.ShiftDown())
3560 {
3561 ChangeCurrentRow(current);
3562
3563 unsigned int lineFrom = oldCurrentRow,
3564 lineTo = current;
3565
3566 if ( lineTo < lineFrom )
3567 {
3568 lineTo = lineFrom;
3569 lineFrom = m_currentRow;
3570 }
3571
3572 SelectRows(lineFrom, lineTo, true);
3573 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3574 }
3575 else // !ctrl, !shift
3576 {
3577 // test in the enclosing if should make it impossible
3578 wxFAIL_MSG( _T("how did we get here?") );
3579 }
3580 }
3581
3582 if (m_currentRow != oldCurrentRow)
3583 RefreshRow( oldCurrentRow );
3584
3585 wxDataViewColumn *oldCurrentCol = m_currentCol;
3586
3587 // Update selection here...
3588 m_currentCol = col;
3589
3590 m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3591 (current == oldCurrentRow)) && oldWasSelected;
3592 }
3593 }
3594
3595 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3596 {
3597 m_hasFocus = true;
3598
3599 if (HasCurrentRow())
3600 Refresh();
3601
3602 event.Skip();
3603 }
3604
3605 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3606 {
3607 m_hasFocus = false;
3608
3609 if (HasCurrentRow())
3610 Refresh();
3611
3612 event.Skip();
3613 }
3614
3615 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3616 {
3617 if( m_selection.GetCount() != 1 )
3618 return wxDataViewItem();
3619
3620 return GetItemByRow( m_selection.Item(0));
3621 }
3622
3623 //-----------------------------------------------------------------------------
3624 // wxDataViewCtrl
3625 //-----------------------------------------------------------------------------
3626 WX_DEFINE_LIST(wxDataViewColumnList)
3627
3628 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3629
3630 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3631 EVT_SIZE(wxDataViewCtrl::OnSize)
3632 END_EVENT_TABLE()
3633
3634 wxDataViewCtrl::~wxDataViewCtrl()
3635 {
3636 if (m_notifier)
3637 GetModel()->RemoveNotifier( m_notifier );
3638 }
3639
3640 void wxDataViewCtrl::Init()
3641 {
3642 m_notifier = NULL;
3643 }
3644
3645 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3646 const wxPoint& pos, const wxSize& size,
3647 long style, const wxValidator& validator )
3648 {
3649 if (!wxControl::Create( parent, id, pos, size,
3650 style | wxScrolledWindowStyle|wxBORDER_SUNKEN, validator))
3651 return false;
3652
3653 SetInitialSize(size);
3654
3655 Init();
3656
3657 #ifdef __WXMAC__
3658 MacSetClipChildren( true ) ;
3659 #endif
3660
3661 m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3662
3663 if (HasFlag(wxDV_NO_HEADER))
3664 m_headerArea = NULL;
3665 else
3666 m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3667
3668 SetTargetWindow( m_clientArea );
3669
3670 wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3671 if (m_headerArea)
3672 sizer->Add( m_headerArea, 0, wxGROW );
3673 sizer->Add( m_clientArea, 1, wxGROW );
3674 SetSizer( sizer );
3675
3676 return true;
3677 }
3678
3679 #ifdef __WXMSW__
3680 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3681 WXWPARAM wParam,
3682 WXLPARAM lParam)
3683 {
3684 WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3685
3686 #ifndef __WXWINCE__
3687 // we need to process arrows ourselves for scrolling
3688 if ( nMsg == WM_GETDLGCODE )
3689 {
3690 rc |= DLGC_WANTARROWS;
3691 }
3692 #endif
3693
3694 return rc;
3695 }
3696 #endif
3697
3698 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3699 {
3700 // We need to override OnSize so that our scrolled
3701 // window a) does call Layout() to use sizers for
3702 // positioning the controls but b) does not query
3703 // the sizer for their size and use that for setting
3704 // the scrollable area as set that ourselves by
3705 // calling SetScrollbar() further down.
3706
3707 Layout();
3708
3709 AdjustScrollbars();
3710 }
3711
3712 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3713 {
3714 if (!wxDataViewCtrlBase::AssociateModel( model ))
3715 return false;
3716
3717 m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3718
3719 model->AddNotifier( m_notifier );
3720
3721 m_clientArea->BuildTree(model);
3722
3723 m_clientArea->UpdateDisplay();
3724
3725 return true;
3726 }
3727
3728 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3729 {
3730 if (!wxDataViewCtrlBase::AppendColumn(col))
3731 return false;
3732
3733 m_cols.Append( col );
3734 OnColumnChange();
3735 return true;
3736 }
3737
3738 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3739 {
3740 if (!wxDataViewCtrlBase::PrependColumn(col))
3741 return false;
3742
3743 m_cols.Insert( col );
3744 OnColumnChange();
3745 return true;
3746 }
3747
3748 void wxDataViewCtrl::OnColumnChange()
3749 {
3750 if (m_headerArea)
3751 m_headerArea->UpdateDisplay();
3752
3753 m_clientArea->UpdateDisplay();
3754 }
3755
3756 void wxDataViewCtrl::DoSetExpanderColumn()
3757 {
3758 m_clientArea->UpdateDisplay();
3759 }
3760
3761 void wxDataViewCtrl::DoSetIndent()
3762 {
3763 m_clientArea->UpdateDisplay();
3764 }
3765
3766 unsigned int wxDataViewCtrl::GetColumnCount() const
3767 {
3768 return m_cols.GetCount();
3769 }
3770
3771 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
3772 {
3773 wxDataViewColumnList::const_iterator iter;
3774 unsigned int i = 0;
3775 for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3776 {
3777 if (i == pos)
3778 return *iter;
3779
3780 if ((*iter)->IsHidden())
3781 continue;
3782 i ++;
3783 }
3784 return NULL;
3785 }
3786
3787 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3788 {
3789 wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3790 if (ret == NULL)
3791 return false;
3792
3793 m_cols.Erase(ret);
3794 delete column;
3795 OnColumnChange();
3796
3797 return true;
3798 }
3799
3800 bool wxDataViewCtrl::ClearColumns()
3801 {
3802 m_cols.clear();
3803 OnColumnChange();
3804 return true;
3805 }
3806
3807 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3808 {
3809 int ret = 0, dead = 0;
3810 int len = GetColumnCount();
3811 for (int i=0; i<len; i++)
3812 {
3813 wxDataViewColumn * col = GetColumn(i);
3814 if (col->IsHidden())
3815 continue;
3816 ret += col->GetWidth();
3817 if (column==col)
3818 {
3819 CalcScrolledPosition( ret, dead, &ret, &dead );
3820 break;
3821 }
3822 }
3823 return ret;
3824 }
3825
3826 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3827 {
3828 return NULL;
3829 }
3830
3831 //Selection code with wxDataViewItem as parameters
3832 wxDataViewItem wxDataViewCtrl::GetSelection() const
3833 {
3834 return m_clientArea->GetSelection();
3835 }
3836
3837 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3838 {
3839 sel.Empty();
3840 wxDataViewSelection selection = m_clientArea->GetSelections();
3841 int len = selection.GetCount();
3842 for( int i = 0; i < len; i ++)
3843 {
3844 unsigned int row = selection[i];
3845 sel.Add( m_clientArea->GetItemByRow( row ) );
3846 }
3847 return len;
3848 }
3849
3850 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3851 {
3852 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
3853 int len = sel.GetCount();
3854 for( int i = 0; i < len; i ++ )
3855 {
3856 int row = m_clientArea->GetRowByItem( sel[i] );
3857 if( row >= 0 )
3858 selection.Add( static_cast<unsigned int>(row) );
3859 }
3860 m_clientArea->SetSelections( selection );
3861 }
3862
3863 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3864 {
3865 int row = m_clientArea->GetRowByItem( item );
3866 if( row >= 0 )
3867 {
3868 //Unselect all rows before select another in the single select mode
3869 if (m_clientArea->IsSingleSel())
3870 m_clientArea->SelectAllRows(false);
3871 m_clientArea->SelectRow(row, true);
3872 }
3873 }
3874
3875 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
3876 {
3877 int row = m_clientArea->GetRowByItem( item );
3878 if( row >= 0 )
3879 m_clientArea->SelectRow(row, false);
3880 }
3881
3882 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
3883 {
3884 int row = m_clientArea->GetRowByItem( item );
3885 if( row >= 0 )
3886 {
3887 return m_clientArea->IsRowSelected(row);
3888 }
3889 return false;
3890 }
3891
3892 //Selection code with row number as parameter
3893 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
3894 {
3895 sel.Empty();
3896 wxDataViewSelection selection = m_clientArea->GetSelections();
3897 int len = selection.GetCount();
3898 for( int i = 0; i < len; i ++)
3899 {
3900 unsigned int row = selection[i];
3901 sel.Add( row );
3902 }
3903 return len;
3904 }
3905
3906 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
3907 {
3908 wxDataViewSelection selection(wxDataViewSelectionCmp) ;
3909 int len = sel.GetCount();
3910 for( int i = 0; i < len; i ++ )
3911 {
3912 int row = sel[i];
3913 if( row >= 0 )
3914 selection.Add( static_cast<unsigned int>(row) );
3915 }
3916 m_clientArea->SetSelections( selection );
3917 }
3918
3919 void wxDataViewCtrl::Select( int row )
3920 {
3921 if( row >= 0 )
3922 {
3923 if (m_clientArea->IsSingleSel())
3924 m_clientArea->SelectAllRows(false);
3925 m_clientArea->SelectRow( row, true );
3926 }
3927 }
3928
3929 void wxDataViewCtrl::Unselect( int row )
3930 {
3931 if( row >= 0 )
3932 m_clientArea->SelectRow(row, false);
3933 }
3934
3935 bool wxDataViewCtrl::IsSelected( int row ) const
3936 {
3937 if( row >= 0 )
3938 return m_clientArea->IsRowSelected(row);
3939 return false;
3940 }
3941
3942 void wxDataViewCtrl::SelectRange( int from, int to )
3943 {
3944 wxArrayInt sel;
3945 for( int i = from; i < to; i ++ )
3946 sel.Add( i );
3947 m_clientArea->Select(sel);
3948 }
3949
3950 void wxDataViewCtrl::UnselectRange( int from, int to )
3951 {
3952 wxDataViewSelection sel = m_clientArea->GetSelections();
3953 for( int i = from; i < to; i ++ )
3954 if( sel.Index( i ) != wxNOT_FOUND )
3955 sel.Remove( i );
3956 m_clientArea->SetSelections(sel);
3957 }
3958
3959 void wxDataViewCtrl::SelectAll()
3960 {
3961 m_clientArea->SelectAllRows(true);
3962 }
3963
3964 void wxDataViewCtrl::UnselectAll()
3965 {
3966 m_clientArea->SelectAllRows(false);
3967 }
3968
3969 void wxDataViewCtrl::EnsureVisible( int row, int column )
3970 {
3971 if( row < 0 )
3972 row = 0;
3973 if( row > (int) m_clientArea->GetRowCount() )
3974 row = m_clientArea->GetRowCount();
3975
3976 int first = m_clientArea->GetFirstVisibleRow();
3977 int last = m_clientArea->GetLastVisibleRow();
3978 if( row < first )
3979 m_clientArea->ScrollTo( row, column );
3980 else if( row > last )
3981 m_clientArea->ScrollTo( row - last + first, column );
3982 else
3983 m_clientArea->ScrollTo( first, column );
3984 }
3985
3986 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
3987 {
3988 int row = m_clientArea->GetRowByItem(item);
3989 if( row >= 0 )
3990 {
3991 if( column == NULL )
3992 EnsureVisible(row, -1);
3993 else
3994 {
3995 int col = 0;
3996 int len = GetColumnCount();
3997 for( int i = 0; i < len; i ++ )
3998 if( GetColumn(i) == column )
3999 {
4000 col = i;
4001 break;
4002 }
4003 EnsureVisible( row, col );
4004 }
4005 }
4006
4007 }
4008
4009 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4010 {
4011 m_clientArea->HitTest(point, item, column);
4012 }
4013
4014 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4015 {
4016 return m_clientArea->GetItemRect(item, column);
4017 }
4018
4019 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4020 {
4021 return m_clientArea->GetItemByRow( row );
4022 }
4023
4024 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4025 {
4026 return m_clientArea->GetRowByItem( item );
4027 }
4028
4029 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4030 {
4031 int row = m_clientArea->GetRowByItem( item );
4032 if (row != -1)
4033 m_clientArea->Expand(row);
4034 }
4035
4036 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4037 {
4038 int row = m_clientArea->GetRowByItem( item );
4039 if (row != -1)
4040 m_clientArea->Collapse(row);
4041 }
4042
4043 #endif
4044 // !wxUSE_GENERICDATAVIEWCTRL
4045
4046 #endif
4047 // wxUSE_DATAVIEWCTRL