samples/dataview/dataview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dataview.cpp
   3 // Purpose:     wxDataViewCtrl wxWidgets sample
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Bo Yang
   6 // Created:     06/01/06
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/dataview.h"
  28 #include "wx/datetime.h"
  29 #include "wx/splitter.h"
  30 #include "wx/aboutdlg.h"
  31 #include "wx/colordlg.h"
  32 #include "wx/choicdlg.h"
  33 #include "wx/numdlg.h"
  34 #include "wx/spinctrl.h"
  35 #include "wx/imaglist.h"
  36 #include "wx/notebook.h"
  37
  38 #include "mymodels.h"
  39
  40 // ----------------------------------------------------------------------------
  41 // resources
  42 // ----------------------------------------------------------------------------
  43
  44 #ifndef __WXMSW__
  45     #include "../sample.xpm"
  46 #endif
  47
  48 #include "wx_small.xpm"
  49
  50 // ----------------------------------------------------------------------------
  51 // MyApp
  52 // ----------------------------------------------------------------------------
  53
  54 class MyApp: public wxApp
  55 {
  56 public:
  57     virtual bool OnInit();
  58 };
  59
  60 // ----------------------------------------------------------------------------
  61 // MyFrame
  62 // ----------------------------------------------------------------------------
  63
  64 class MyFrame : public wxFrame
  65 {
  66 public:
  67     MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int h);
  68     ~MyFrame();
  69
  70     void BuildDataViewCtrl(wxPanel* parent,
  71                            unsigned int nPanel,
  72                            unsigned long style = 0);
  73
  74 public:     // event handlers
  75
  76     void OnStyleChange(wxCommandEvent& event);
  77     void OnSetBackgroundColour(wxCommandEvent& event);
  78     void OnSetForegroundColour(wxCommandEvent& event);
  79     void OnQuit(wxCommandEvent& event);
  80     void OnAbout(wxCommandEvent& event);
  81
  82     void OnClearLog(wxCommandEvent& event);
  83     void OnPageChanged(wxBookCtrlEvent& event);
  84
  85     void OnAddMozart(wxCommandEvent& event);
  86     void OnDeleteSelected(wxCommandEvent& event);
  87     void OnDeleteYear(wxCommandEvent& event);
  88     void OnSelectNinth(wxCommandEvent& event);
  89     void OnCollapse(wxCommandEvent& event);
  90     void OnExpand(wxCommandEvent& event);
  91
  92     void OnPrependList(wxCommandEvent& event);
  93     void OnDeleteList(wxCommandEvent& event);
  94     // Fourth page.
  95     void OnDeleteTreeItem(wxCommandEvent& event);
  96     void OnDeleteAllTreeItems(wxCommandEvent& event);
  97     void OnAddTreeItem(wxCommandEvent& event);
  98     void OnAddTreeContainerItem(wxCommandEvent& event);
  99
 100     void OnValueChanged( wxDataViewEvent &event );
 101
 102     void OnActivated( wxDataViewEvent &event );
 103     void OnExpanding( wxDataViewEvent &event );
 104     void OnExpanded( wxDataViewEvent &event );
 105     void OnCollapsing( wxDataViewEvent &event );
 106     void OnCollapsed( wxDataViewEvent &event );
 107     void OnSelectionChanged( wxDataViewEvent &event );
 108
 109     void OnStartEditing( wxDataViewEvent &event );
 110     void OnEditingStarted( wxDataViewEvent &event );
 111     void OnEditingDone( wxDataViewEvent &event );
 112
 113     void OnHeaderClick( wxDataViewEvent &event );
 114     void OnAttrHeaderClick( wxDataViewEvent &event );
 115     void OnHeaderRightClick( wxDataViewEvent &event );
 116     void OnSorted( wxDataViewEvent &event );
 117
 118     void OnContextMenu( wxDataViewEvent &event );
 119
 120     void OnRightClick( wxMouseEvent &event );
 121     void OnGoto( wxCommandEvent &event);
 122     void OnAddMany( wxCommandEvent &event);
 123     void OnHideAttributes( wxCommandEvent &event);
 124     void OnShowAttributes( wxCommandEvent &event);
 125
 126     void OnBeginDrag( wxDataViewEvent &event );
 127     void OnDropPossible( wxDataViewEvent &event );
 128     void OnDrop( wxDataViewEvent &event );
 129
 130 private:
 131     wxNotebook* m_notebook;
 132
 133     // the controls stored in the various tabs of the main notebook:
 134
 135     wxDataViewCtrl* m_ctrl[4];
 136
 137     // the models associated with the first two DVC:
 138
 139     wxObjectDataPtr<MyMusicTreeModel> m_music_model;
 140     wxObjectDataPtr<MyListModel> m_list_model;
 141
 142     // other data:
 143
 144     wxDataViewColumn* m_col;
 145     wxDataViewColumn* m_attributes;
 146
 147     wxTextCtrl* m_log;
 148     wxLog *m_logOld;
 149
 150 private:
 151     DECLARE_EVENT_TABLE()
 152 };
 153
 154
 155 // ----------------------------------------------------------------------------
 156 // MyCustomRenderer
 157 // ----------------------------------------------------------------------------
 158
 159 class MyCustomRenderer: public wxDataViewCustomRenderer
 160 {
 161 public:
 162     MyCustomRenderer()
 163         : wxDataViewCustomRenderer("string",
 164                                    wxDATAVIEW_CELL_ACTIVATABLE,
 165                                    wxALIGN_CENTER)
 166        { }
 167
 168     virtual bool Render( wxRect rect, wxDC *dc, int state )
 169     {
 170         dc->SetBrush( *wxLIGHT_GREY_BRUSH );
 171         dc->SetPen( *wxTRANSPARENT_PEN );
 172
 173         rect.Deflate(2);
 174         dc->DrawRoundedRectangle( rect, 5 );
 175
 176         RenderText(m_value,
 177                    0, // no offset
 178                    wxRect(dc->GetTextExtent(m_value)).CentreIn(rect),
 179                    dc,
 180                    state);
 181         return true;
 182     }
 183
 184     virtual bool Activate( wxRect WXUNUSED(cell),
 185                            wxDataViewModel *WXUNUSED(model),
 186                            const wxDataViewItem &WXUNUSED(item),
 187                            unsigned int WXUNUSED(col) )
 188     {
 189         wxLogMessage( "MyCustomRenderer Activate()" );
 190         return false;
 191     }
 192
 193     virtual bool LeftClick( wxPoint cursor, wxRect WXUNUSED(cell),
 194                            wxDataViewModel *WXUNUSED(model),
 195                            const wxDataViewItem &WXUNUSED(item),
 196                            unsigned int WXUNUSED(col) )
 197     {
 198         wxLogMessage( "MyCustomRenderer LeftClick( %d, %d )", cursor.x, cursor.y );
 199         return false;
 200     }
 201
 202     virtual wxSize GetSize() const
 203     {
 204         return wxSize(60,20);
 205     }
 206
 207     virtual bool SetValue( const wxVariant &value )
 208     {
 209         m_value = value.GetString();
 210         return true;
 211     }
 212
 213     virtual bool GetValue( wxVariant &WXUNUSED(value) ) const { return true; }
 214
 215 private:
 216     wxString m_value;
 217 };
 218
 219
 220 // ============================================================================
 221 // implementation
 222 // ============================================================================
 223
 224 // ----------------------------------------------------------------------------
 225 // MyApp
 226 // ----------------------------------------------------------------------------
 227
 228 IMPLEMENT_APP(MyApp)
 229
 230 bool MyApp::OnInit()
 231 {
 232     if ( !wxApp::OnInit() )
 233         return false;
 234
 235     MyFrame *frame =
 236         new MyFrame(NULL, "wxDataViewCtrl sample", 40, 40, 1000, 540);
 237     SetTopWindow(frame);
 238
 239     frame->Show(true);
 240     return true;
 241 }
 242
 243
 244 // ----------------------------------------------------------------------------
 245 // MyFrame
 246 // ----------------------------------------------------------------------------
 247
 248 enum
 249 {
 250     ID_CLEARLOG = wxID_HIGHEST+1,
 251     ID_BACKGROUND_COLOUR,
 252     ID_FOREGROUND_COLOUR,
 253     ID_STYLE_MENU,
 254
 255     // file menu
 256     //ID_SINGLE,        wxDV_SINGLE==0 so it's always present
 257     ID_MULTIPLE,
 258     ID_ROW_LINES,
 259     ID_HORIZ_RULES,
 260     ID_VERT_RULES,
 261
 262     ID_EXIT = wxID_EXIT,
 263
 264     // about menu
 265     ID_ABOUT = wxID_ABOUT,
 266
 267
 268     // control IDs
 269
 270     ID_MUSIC_CTRL       = 50,
 271     ID_ATTR_CTRL        = 51,
 272
 273     ID_ADD_MOZART       = 100,
 274     ID_DELETE_SEL       = 101,
 275     ID_DELETE_YEAR      = 102,
 276     ID_SELECT_NINTH     = 103,
 277     ID_COLLAPSE         = 104,
 278     ID_EXPAND           = 105,
 279
 280     ID_PREPEND_LIST     = 200,
 281     ID_DELETE_LIST      = 201,
 282     ID_GOTO             = 202,
 283     ID_ADD_MANY         = 203,
 284     ID_HIDE_ATTRIBUTES  = 204,
 285     ID_SHOW_ATTRIBUTES  = 205,
 286
 287     // Fourth page.
 288     ID_DELETE_TREE_ITEM = 400,
 289     ID_DELETE_ALL_TREE_ITEMS = 401,
 290     ID_ADD_TREE_ITEM = 402,
 291     ID_ADD_TREE_CONTAINER_ITEM = 403
 292 };
 293
 294 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 295     EVT_MENU_RANGE( ID_MULTIPLE, ID_VERT_RULES, MyFrame::OnStyleChange )
 296     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 297     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
 298     EVT_MENU( ID_CLEARLOG, MyFrame::OnClearLog )
 299
 300     EVT_MENU( ID_FOREGROUND_COLOUR, MyFrame::OnSetForegroundColour )
 301     EVT_MENU( ID_BACKGROUND_COLOUR, MyFrame::OnSetBackgroundColour )
 302
 303     EVT_NOTEBOOK_PAGE_CHANGED( wxID_ANY, MyFrame::OnPageChanged )
 304
 305     EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
 306     EVT_BUTTON( ID_DELETE_SEL, MyFrame::OnDeleteSelected )
 307     EVT_BUTTON( ID_DELETE_YEAR, MyFrame::OnDeleteYear )
 308     EVT_BUTTON( ID_SELECT_NINTH, MyFrame::OnSelectNinth )
 309     EVT_BUTTON( ID_COLLAPSE, MyFrame::OnCollapse )
 310     EVT_BUTTON( ID_EXPAND, MyFrame::OnExpand )
 311
 312     EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
 313     EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
 314     EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
 315     EVT_BUTTON( ID_ADD_MANY, MyFrame::OnAddMany)
 316     EVT_BUTTON( ID_HIDE_ATTRIBUTES, MyFrame::OnHideAttributes)
 317     EVT_BUTTON( ID_SHOW_ATTRIBUTES, MyFrame::OnShowAttributes)
 318     // Fourth page.
 319     EVT_BUTTON( ID_DELETE_TREE_ITEM, MyFrame::OnDeleteTreeItem )
 320     EVT_BUTTON( ID_DELETE_ALL_TREE_ITEMS, MyFrame::OnDeleteAllTreeItems )
 321     EVT_BUTTON( ID_ADD_TREE_ITEM, MyFrame::OnAddTreeItem )
 322     EVT_BUTTON( ID_ADD_TREE_CONTAINER_ITEM, MyFrame::OnAddTreeContainerItem )
 323
 324     EVT_DATAVIEW_ITEM_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 325
 326     EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
 327     EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
 328     EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
 329     EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
 330     EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
 331     EVT_DATAVIEW_SELECTION_CHANGED(ID_MUSIC_CTRL, MyFrame::OnSelectionChanged)
 332
 333     EVT_DATAVIEW_ITEM_START_EDITING(ID_MUSIC_CTRL, MyFrame::OnStartEditing)
 334     EVT_DATAVIEW_ITEM_EDITING_STARTED(ID_MUSIC_CTRL, MyFrame::OnEditingStarted)
 335     EVT_DATAVIEW_ITEM_EDITING_DONE(ID_MUSIC_CTRL, MyFrame::OnEditingDone)
 336
 337     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
 338     EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
 339     EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
 340
 341     EVT_DATAVIEW_ITEM_CONTEXT_MENU(ID_MUSIC_CTRL, MyFrame::OnContextMenu)
 342
 343     EVT_DATAVIEW_ITEM_BEGIN_DRAG( ID_MUSIC_CTRL, MyFrame::OnBeginDrag )
 344     EVT_DATAVIEW_ITEM_DROP_POSSIBLE( ID_MUSIC_CTRL, MyFrame::OnDropPossible )
 345     EVT_DATAVIEW_ITEM_DROP( ID_MUSIC_CTRL, MyFrame::OnDrop )
 346
 347     EVT_RIGHT_UP(MyFrame::OnRightClick)
 348
 349     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_ATTR_CTRL, MyFrame::OnAttrHeaderClick)
 350
 351 END_EVENT_TABLE()
 352
 353 MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int h):
 354   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 355 {
 356     m_log = NULL;
 357     m_col = NULL;
 358
 359     m_ctrl[0] = NULL;
 360     m_ctrl[1] = NULL;
 361     m_ctrl[2] = NULL;
 362     m_ctrl[3] = NULL;
 363
 364     SetIcon(wxICON(sample));
 365
 366
 367     // build the menus
 368     // ----------------
 369
 370     wxMenu *style_menu = new wxMenu;
 371     //style_menu->AppendCheckItem(ID_SINGLE, "Single selection"));
 372     style_menu->AppendCheckItem(ID_MULTIPLE, "Multiple selection");
 373     style_menu->AppendCheckItem(ID_ROW_LINES, "Alternating colours");
 374     style_menu->AppendCheckItem(ID_HORIZ_RULES, "Display horizontal rules");
 375     style_menu->AppendCheckItem(ID_VERT_RULES, "Display vertical rules");
 376
 377     wxMenu *file_menu = new wxMenu;
 378     file_menu->Append(ID_CLEARLOG, "&Clear log\tCtrl-L");
 379     file_menu->Append(ID_FOREGROUND_COLOUR, "Set &foreground colour...\tCtrl-S");
 380     file_menu->Append(ID_BACKGROUND_COLOUR, "Set &background colour...\tCtrl-B");
 381     file_menu->Append(ID_STYLE_MENU, "&Style", style_menu);
 382     file_menu->AppendSeparator();
 383     file_menu->Append(ID_EXIT, "E&xit");
 384
 385     wxMenu *about_menu = new wxMenu;
 386     about_menu->Append(ID_ABOUT, "&About");
 387
 388     wxMenuBar *menu_bar = new wxMenuBar;
 389     menu_bar->Append(file_menu, "&File");
 390     menu_bar->Append(about_menu, "&About");
 391
 392     SetMenuBar(menu_bar);
 393     CreateStatusBar();
 394
 395
 396     // first page of the notebook
 397     // --------------------------
 398
 399     m_notebook = new wxNotebook( this, wxID_ANY );
 400
 401     wxPanel *firstPanel = new wxPanel( m_notebook, wxID_ANY );
 402
 403     BuildDataViewCtrl(firstPanel, 0);    // sets m_ctrl[0]
 404
 405     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
 406     button_sizer->Add( new wxButton( firstPanel, ID_ADD_MOZART,  "Add Mozart"),             0, wxALL, 10 );
 407     button_sizer->Add( new wxButton( firstPanel, ID_DELETE_SEL,  "Delete selected"),        0, wxALL, 10 );
 408     button_sizer->Add( new wxButton( firstPanel, ID_DELETE_YEAR, "Delete \"Year\" column"), 0, wxALL, 10 );
 409     button_sizer->Add( new wxButton( firstPanel, ID_SELECT_NINTH,"Select ninth symphony"),  0, wxALL, 10 );
 410     button_sizer->Add( new wxButton( firstPanel, ID_COLLAPSE,    "Collapse"),               0, wxALL, 10 );
 411     button_sizer->Add( new wxButton( firstPanel, ID_EXPAND,      "Expand"),                 0, wxALL, 10 );
 412
 413     wxSizer *firstPanelSz = new wxBoxSizer( wxVERTICAL );
 414     m_ctrl[0]->SetMinSize(wxSize(-1, 200));
 415     firstPanelSz->Add(m_ctrl[0], 1, wxGROW|wxALL, 5);
 416     firstPanelSz->Add(
 417         new wxStaticText(firstPanel, wxID_ANY, "Most of the cells above are editable!"),
 418         0, wxGROW|wxALL, 5);
 419     firstPanelSz->Add(button_sizer);
 420     firstPanel->SetSizerAndFit(firstPanelSz);
 421
 422
 423     // second page of the notebook
 424     // ---------------------------
 425
 426     wxPanel *secondPanel = new wxPanel( m_notebook, wxID_ANY );
 427
 428     BuildDataViewCtrl(secondPanel, 1);    // sets m_ctrl[1]
 429
 430     wxBoxSizer *button_sizer2 = new wxBoxSizer( wxHORIZONTAL );
 431     button_sizer2->Add( new wxButton( secondPanel, ID_PREPEND_LIST,"Prepend"),                0, wxALL, 10 );
 432     button_sizer2->Add( new wxButton( secondPanel, ID_DELETE_LIST, "Delete selected"),        0, wxALL, 10 );
 433     button_sizer2->Add( new wxButton( secondPanel, ID_GOTO,        "Goto 50"),                0, wxALL, 10 );
 434     button_sizer2->Add( new wxButton( secondPanel, ID_ADD_MANY,    "Add 1000"),               0, wxALL, 10 );
 435     button_sizer2->Add( new wxButton( secondPanel, ID_HIDE_ATTRIBUTES,    "Hide attributes"), 0, wxALL, 10 );
 436     button_sizer2->Add( new wxButton( secondPanel, ID_SHOW_ATTRIBUTES,    "Show attributes"), 0, wxALL, 10 );
 437
 438     wxSizer *secondPanelSz = new wxBoxSizer( wxVERTICAL );
 439     secondPanelSz->Add(m_ctrl[1], 1, wxGROW|wxALL, 5);
 440     secondPanelSz->Add(button_sizer2);
 441     secondPanel->SetSizerAndFit(secondPanelSz);
 442
 443
 444     // third page of the notebook
 445     // ---------------------------
 446
 447     wxPanel *thirdPanel = new wxPanel( m_notebook, wxID_ANY );
 448
 449     BuildDataViewCtrl(thirdPanel, 2);    // sets m_ctrl[2]
 450
 451     wxSizer *thirdPanelSz = new wxBoxSizer( wxVERTICAL );
 452     thirdPanelSz->Add(m_ctrl[2], 1, wxGROW|wxALL, 5);
 453     thirdPanel->SetSizerAndFit(thirdPanelSz);
 454
 455
 456     // fourth page of the notebook
 457     // ---------------------------
 458
 459     wxPanel *fourthPanel = new wxPanel( m_notebook, wxID_ANY );
 460
 461     BuildDataViewCtrl(fourthPanel, 3);    // sets m_ctrl[3]
 462     // Buttons
 463     wxBoxSizer *button_sizer4 = new wxBoxSizer( wxHORIZONTAL );
 464     button_sizer4->Add( new wxButton( fourthPanel, ID_DELETE_TREE_ITEM, "Delete Selected"), 0, wxALL, 10 );
 465     button_sizer4->Add( new wxButton( fourthPanel, ID_DELETE_ALL_TREE_ITEMS, "Delete All"), 0, wxALL, 10 );
 466     button_sizer4->Add( new wxButton( fourthPanel, ID_ADD_TREE_ITEM, "Add Item"), 0, wxALL, 10 );
 467     button_sizer4->Add( new wxButton( fourthPanel, ID_ADD_TREE_CONTAINER_ITEM, "Add Container"), 0, wxALL, 10 );
 468
 469     wxSizer *fourthPanelSz = new wxBoxSizer( wxVERTICAL );
 470     fourthPanelSz->Add(m_ctrl[3], 1, wxGROW|wxALL, 5);
 471     fourthPanelSz->Add(button_sizer4);
 472     fourthPanel->SetSizerAndFit(fourthPanelSz);
 473
 474
 475
 476     // complete GUI
 477     // ------------
 478
 479     m_notebook->AddPage(firstPanel, "MyMusicTreeModel");
 480     m_notebook->AddPage(secondPanel, "MyListModel");
 481     m_notebook->AddPage(thirdPanel, "wxDataViewListCtrl");
 482     m_notebook->AddPage(fourthPanel, "wxDataViewTreeCtrl");
 483
 484     wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);
 485
 486     m_log = new wxTextCtrl( this, wxID_ANY, wxString(), wxDefaultPosition,
 487                             wxDefaultSize, wxTE_MULTILINE );
 488     m_log->SetMinSize(wxSize(-1, 100));
 489     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
 490     wxLogMessage( "This is the log window" );
 491
 492     mainSizer->Add( m_notebook, 1, wxGROW );
 493     mainSizer->Add( m_log, 0, wxGROW );
 494
 495     SetSizerAndFit(mainSizer);
 496 }
 497
 498 MyFrame::~MyFrame()
 499 {
 500     delete wxLog::SetActiveTarget(m_logOld);
 501 }
 502
 503 void MyFrame::BuildDataViewCtrl(wxPanel* parent, unsigned int nPanel, unsigned long style)
 504 {
 505     switch (nPanel)
 506     {
 507     case 0:
 508         {
 509             wxASSERT(!m_ctrl[0] && !m_music_model);
 510             m_ctrl[0] =
 511                 new wxDataViewCtrl( parent, ID_MUSIC_CTRL, wxDefaultPosition,
 512                                     wxDefaultSize, style );
 513
 514             m_music_model = new MyMusicTreeModel;
 515             m_ctrl[0]->AssociateModel( m_music_model.get() );
 516
 517             m_ctrl[0]->EnableDragSource( wxDF_UNICODETEXT );
 518             m_ctrl[0]->EnableDropTarget( wxDF_UNICODETEXT );
 519
 520             // column 0 of the view control:
 521
 522             wxDataViewTextRenderer *tr =
 523                 new wxDataViewTextRenderer( "string", wxDATAVIEW_CELL_INERT );
 524             wxDataViewColumn *column0 =
 525                 new wxDataViewColumn( "title", tr, 0, 200, wxALIGN_LEFT,
 526                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_RESIZABLE );
 527             m_ctrl[0]->AppendColumn( column0 );
 528 #if 0
 529             // Call this and sorting is enabled
 530             // immediatly upon start up.
 531             column0->SetAsSortKey();
 532 #endif
 533
 534             // column 1 of the view control:
 535
 536             tr = new wxDataViewTextRenderer( "string", wxDATAVIEW_CELL_EDITABLE );
 537             wxDataViewColumn *column1 =
 538                 new wxDataViewColumn( "artist", tr, 1, 150, wxALIGN_LEFT,
 539                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE |
 540                                       wxDATAVIEW_COL_RESIZABLE );
 541             column1->SetMinWidth(150); // this column can't be resized to be smaller
 542             m_ctrl[0]->AppendColumn( column1 );
 543
 544             // column 2 of the view control:
 545
 546             wxDataViewSpinRenderer *sr =
 547                 new wxDataViewSpinRenderer( 0, 2010, wxDATAVIEW_CELL_EDITABLE, wxALIGN_RIGHT );
 548             wxDataViewColumn *column2 =
 549                 new wxDataViewColumn( "year", sr, 2, 60, wxALIGN_LEFT,
 550                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE );
 551             m_ctrl[0]->AppendColumn( column2 );
 552
 553             // column 3 of the view control:
 554
 555             wxArrayString choices;
 556             choices.Add( "good" );
 557             choices.Add( "bad" );
 558             choices.Add( "lousy" );
 559             wxDataViewChoiceRenderer *c =
 560                 new wxDataViewChoiceRenderer( choices, wxDATAVIEW_CELL_EDITABLE, wxALIGN_RIGHT );
 561             wxDataViewColumn *column3 =
 562                 new wxDataViewColumn( "rating", c, 3, 100, wxALIGN_LEFT,
 563                                       wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 564             m_ctrl[0]->AppendColumn( column3 );
 565
 566             // column 4 of the view control:
 567
 568             m_ctrl[0]->AppendProgressColumn( "popularity", 4, wxDATAVIEW_CELL_INERT, 80 );
 569
 570             // column 5 of the view control:
 571
 572             MyCustomRenderer *cr = new MyCustomRenderer;
 573             wxDataViewColumn *column5 =
 574                 new wxDataViewColumn( "custom", cr, 5, -1, wxALIGN_LEFT,
 575                                       wxDATAVIEW_COL_RESIZABLE );
 576             m_ctrl[0]->AppendColumn( column5 );
 577
 578
 579             // select initially the ninth symphony:
 580             m_ctrl[0]->Select(m_music_model->GetNinthItem());
 581         }
 582         break;
 583
 584     case 1:
 585         {
 586             wxASSERT(!m_ctrl[1] && !m_list_model);
 587             m_ctrl[1] = new wxDataViewCtrl( parent, ID_ATTR_CTRL, wxDefaultPosition,
 588                                             wxDefaultSize, style );
 589
 590             m_list_model = new MyListModel;
 591             m_ctrl[1]->AssociateModel( m_list_model.get() );
 592
 593             // the various columns
 594             m_ctrl[1]->AppendTextColumn("editable string",
 595                                         MyListModel::Col_EditableText,
 596                                         wxDATAVIEW_CELL_EDITABLE);
 597             m_ctrl[1]->AppendIconTextColumn("icon",
 598                                             MyListModel::Col_IconText,
 599                                             wxDATAVIEW_CELL_EDITABLE);
 600
 601             m_attributes =
 602                 new wxDataViewColumn("attributes",
 603                                      new wxDataViewTextRenderer,
 604                                      MyListModel::Col_TextWithAttr,
 605                                      80,
 606                                      wxALIGN_RIGHT,
 607                                      wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 608             m_ctrl[1]->AppendColumn( m_attributes );
 609
 610             m_ctrl[1]->AppendColumn(
 611                 new wxDataViewColumn("custom renderer",
 612                                      new MyCustomRenderer,
 613                                      MyListModel::Col_Custom)
 614             );
 615         }
 616         break;
 617
 618     case 2:
 619         {
 620             wxASSERT(!m_ctrl[2]);
 621             wxDataViewListCtrl* lc =
 622                 new wxDataViewListCtrl( parent, wxID_ANY, wxDefaultPosition,
 623                                         wxDefaultSize, style );
 624             m_ctrl[2] = lc;
 625
 626             lc->AppendToggleColumn( "Toggle" );
 627             lc->AppendTextColumn( "Text" );
 628             lc->AppendProgressColumn( "Progress" );
 629
 630             wxVector<wxVariant> data;
 631             for (unsigned int i=0; i<10; i++)
 632             {
 633                 data.clear();
 634                 data.push_back( (i%3) == 0 );
 635                 data.push_back( wxString::Format("row %d", i) );
 636                 data.push_back( long(5*i) );
 637
 638                 lc->AppendItem( data );
 639             }
 640         }
 641         break;
 642
 643     case 3:
 644         {
 645             wxASSERT(!m_ctrl[3]);
 646             wxDataViewTreeCtrl* tc =
 647                 new wxDataViewTreeCtrl( parent, wxID_ANY, wxDefaultPosition,
 648                                         wxDefaultSize, style | wxDV_NO_HEADER );
 649             m_ctrl[3] = tc;
 650
 651             wxImageList *ilist = new wxImageList( 16, 16 );
 652             ilist->Add( wxIcon(wx_small_xpm) );
 653             tc->SetImageList( ilist );
 654
 655             wxDataViewItem parent =
 656                 tc->AppendContainer( wxDataViewItem(0), "The Root", 0 );
 657             tc->AppendItem( parent, "Child 1", 0 );
 658             tc->AppendItem( parent, "Child 2", 0 );
 659             tc->AppendItem( parent, "Child 3, very long, long, long, long", 0 );
 660
 661             wxDataViewItem cont =
 662                 tc->AppendContainer( parent, "Container child", 0 );
 663             tc->AppendItem( cont, "Child 4", 0 );
 664             tc->AppendItem( cont, "Child 5", 0 );
 665
 666             tc->Expand(cont);
 667         }
 668         break;
 669     }
 670 }
 671
 672
 673 // ----------------------------------------------------------------------------
 674 // MyFrame - generic event handlers
 675 // ----------------------------------------------------------------------------
 676
 677 void MyFrame::OnClearLog( wxCommandEvent& WXUNUSED(event) )
 678 {
 679     m_log->Clear();
 680 }
 681
 682 void MyFrame::OnSetForegroundColour(wxCommandEvent& WXUNUSED(event))
 683 {
 684     wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];
 685     wxColour col = wxGetColourFromUser(this, dvc->GetForegroundColour());
 686     if ( col.IsOk() )
 687     {
 688         dvc->SetForegroundColour(col);
 689         Refresh();
 690     }
 691 }
 692
 693 void MyFrame::OnSetBackgroundColour(wxCommandEvent& WXUNUSED(event))
 694 {
 695     wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];
 696     wxColour col = wxGetColourFromUser(this, dvc->GetBackgroundColour());
 697     if ( col.IsOk() )
 698     {
 699         dvc->SetBackgroundColour(col);
 700         Refresh();
 701     }
 702 }
 703
 704 void MyFrame::OnPageChanged( wxBookCtrlEvent& WXUNUSED(event) )
 705 {
 706     unsigned int nPanel = m_notebook->GetSelection();
 707
 708     GetMenuBar()->FindItem(ID_STYLE_MENU)->SetItemLabel(
 709                 wxString::Format("Style of panel #%d", nPanel+1));
 710
 711     for (unsigned int id = ID_MULTIPLE; id <= ID_VERT_RULES; id++)
 712     {
 713         unsigned long style = 0;
 714         switch (id)
 715         {
 716         /*case ID_SINGLE:
 717             style = wxDV_SINGLE;
 718             break;*/
 719         case ID_MULTIPLE:
 720             style = wxDV_MULTIPLE;
 721             break;
 722         case ID_ROW_LINES:
 723             style = wxDV_ROW_LINES;
 724             break;
 725         case ID_HORIZ_RULES:
 726             style = wxDV_HORIZ_RULES;
 727             break;
 728         case ID_VERT_RULES:
 729             style = wxDV_VERT_RULES;
 730             break;
 731         default:
 732             wxFAIL;
 733         }
 734
 735         GetMenuBar()->FindItem(id)->Check( m_ctrl[nPanel]->HasFlag(style) );
 736     }
 737 }
 738
 739 void MyFrame::OnStyleChange( wxCommandEvent& WXUNUSED(event) )
 740 {
 741     unsigned int nPanel = m_notebook->GetSelection();
 742
 743     // build the style
 744     unsigned long style = 0;
 745     /*if (GetMenuBar()->FindItem(ID_SINGLE)->IsChecked())
 746         style |= wxDV_SINGLE;*/
 747     if (GetMenuBar()->FindItem(ID_MULTIPLE)->IsChecked())
 748         style |= wxDV_MULTIPLE;
 749     if (GetMenuBar()->FindItem(ID_ROW_LINES)->IsChecked())
 750         style |= wxDV_ROW_LINES;
 751     if (GetMenuBar()->FindItem(ID_HORIZ_RULES)->IsChecked())
 752         style |= wxDV_HORIZ_RULES;
 753     if (GetMenuBar()->FindItem(ID_VERT_RULES)->IsChecked())
 754         style |= wxDV_VERT_RULES;
 755
 756     wxSizer* sz = m_ctrl[nPanel]->GetContainingSizer();
 757     wxASSERT(sz);
 758
 759     sz->Detach(m_ctrl[nPanel]);
 760     wxDELETE(m_ctrl[nPanel]);
 761     m_ctrl[nPanel] = NULL;
 762
 763     if (nPanel == 0)
 764         m_music_model.reset(NULL);
 765     else if (nPanel == 1)
 766         m_list_model.reset(NULL);
 767
 768     // rebuild the DVC for the selected panel:
 769     BuildDataViewCtrl((wxPanel*)m_notebook->GetPage(nPanel), nPanel, style);
 770
 771     sz->Prepend(m_ctrl[nPanel], 1, wxGROW|wxALL, 5);
 772     sz->Layout();
 773 }
 774
 775 void MyFrame::OnQuit( wxCommandEvent& WXUNUSED(event) )
 776 {
 777     Close(true);
 778 }
 779
 780 void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
 781 {
 782     wxAboutDialogInfo info;
 783     info.SetName(_("DataView sample"));
 784     info.SetDescription(_("This sample demonstrates wxDataViewCtrl"));
 785     info.SetCopyright(wxT("(C) 2007-2009 Robert Roebling"));
 786     info.AddDeveloper("Robert Roebling");
 787     info.AddDeveloper("Francesco Montorsi");
 788
 789     wxAboutBox(info);
 790 }
 791
 792
 793 // ----------------------------------------------------------------------------
 794 // MyFrame - event handlers for the first page
 795 // ----------------------------------------------------------------------------
 796
 797 void MyFrame::OnBeginDrag( wxDataViewEvent &event )
 798 {
 799     wxDataViewItem item( event.GetItem() );
 800
 801     // only allow drags for item, not containers
 802     if (m_music_model->IsContainer( item ) )
 803     {
 804         event.Veto();
 805         return;
 806     }
 807
 808     MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
 809     wxTextDataObject *obj = new wxTextDataObject;
 810     obj->SetText( node->m_title );
 811     event.SetDataObject( obj );
 812 }
 813
 814 void MyFrame::OnDropPossible( wxDataViewEvent &event )
 815 {
 816     wxDataViewItem item( event.GetItem() );
 817
 818     // only allow drags for item, not containers
 819     if (m_music_model->IsContainer( item ) )
 820         event.Veto();
 821
 822     if (event.GetDataFormat() != wxDF_UNICODETEXT)
 823         event.Veto();
 824 }
 825
 826 void MyFrame::OnDrop( wxDataViewEvent &event )
 827 {
 828     wxDataViewItem item( event.GetItem() );
 829
 830     // only allow drops for item, not containers
 831     if (m_music_model->IsContainer( item ) )
 832     {
 833         event.Veto();
 834         return;
 835     }
 836
 837     if (event.GetDataFormat() != wxDF_UNICODETEXT)
 838     {
 839         event.Veto();
 840         return;
 841     }
 842
 843     wxTextDataObject obj;
 844     obj.SetData( wxDF_UNICODETEXT, event.GetDataSize(), event.GetDataBuffer() );
 845
 846     wxLogMessage( "Text dropped: %s", obj.GetText() );
 847 }
 848
 849 void MyFrame::OnAddMozart( wxCommandEvent& WXUNUSED(event) )
 850 {
 851     m_music_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", 1787 );
 852 }
 853
 854 void MyFrame::OnDeleteSelected( wxCommandEvent& WXUNUSED(event) )
 855 {
 856     wxDataViewItemArray items;
 857     int len = m_ctrl[0]->GetSelections( items );
 858     for( int i = 0; i < len; i ++ )
 859         if (items[i].IsOk())
 860             m_music_model->Delete( items[i] );
 861 }
 862
 863 void MyFrame::OnDeleteYear( wxCommandEvent& WXUNUSED(event) )
 864 {
 865     m_ctrl[0]->DeleteColumn( m_ctrl[0]->GetColumn( 2 ) );
 866     FindWindow( ID_DELETE_YEAR )->Disable();
 867 }
 868
 869 void MyFrame::OnSelectNinth( wxCommandEvent& WXUNUSED(event) )
 870 {
 871     if (!m_music_model->GetNinthItem().IsOk())
 872     {
 873         wxLogError( "Cannot select the ninth symphony: it was removed!" );
 874         return;
 875     }
 876
 877     m_ctrl[0]->Select( m_music_model->GetNinthItem() );
 878 }
 879
 880 void MyFrame::OnCollapse( wxCommandEvent& WXUNUSED(event) )
 881 {
 882     wxDataViewItem item = m_ctrl[0]->GetSelection();
 883     if (item.IsOk())
 884         m_ctrl[0]->Collapse( item );
 885 }
 886
 887 void MyFrame::OnExpand( wxCommandEvent& WXUNUSED(event) )
 888 {
 889     wxDataViewItem item = m_ctrl[0]->GetSelection();
 890     if (item.IsOk())
 891         m_ctrl[0]->Expand( item );
 892 }
 893
 894 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 895 {
 896     if (!m_log)
 897         return;
 898
 899     wxString title = m_music_model->GetTitle( event.GetItem() );
 900     wxLogMessage( "wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, Item Id: %s;  Column: %d",
 901                   title, event.GetColumn() );
 902 }
 903
 904 void MyFrame::OnActivated( wxDataViewEvent &event )
 905 {
 906     if(!m_log)
 907         return;
 908
 909     wxString title = m_music_model->GetTitle( event.GetItem() );
 910     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item: %s", title );
 911
 912     if (m_ctrl[0]->IsExpanded( event.GetItem() ))
 913     {
 914         wxLogMessage( "Item: %s is expanded", title );
 915     }
 916 }
 917
 918 void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 919 {
 920     if(!m_log)
 921         return;
 922
 923     wxString title = m_music_model->GetTitle( event.GetItem() );
 924     if (title.empty())
 925         title = "None";
 926
 927     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, First selected Item: %s", title );
 928 }
 929
 930 void MyFrame::OnExpanding( wxDataViewEvent &event )
 931 {
 932     if (!m_log)
 933         return;
 934
 935     wxString title = m_music_model->GetTitle( event.GetItem() );
 936     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item: %s", title );
 937 }
 938
 939
 940 void MyFrame::OnStartEditing( wxDataViewEvent &event )
 941 {
 942     wxString artist = m_music_model->GetArtist( event.GetItem() );
 943     if (artist == "Ludwig van Beethoven")
 944     {
 945         event.Veto();
 946
 947         if (!m_log)
 948            return;
 949
 950         wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING vetoed. Artist: %s", artist );
 951     }
 952     else
 953         wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING not vetoed. Artist: %s", artist );
 954
 955 }
 956
 957 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
 958 {
 959     if (!m_log)
 960         return;
 961
 962     wxString title = m_music_model->GetTitle( event.GetItem() );
 963     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item: %s", title );
 964 }
 965
 966 void MyFrame::OnEditingDone( wxDataViewEvent &event )
 967 {
 968     if (!m_log)
 969         return;
 970
 971     wxString title = m_music_model->GetTitle( event.GetItem() );
 972     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item: %s", title );
 973 }
 974
 975 void MyFrame::OnExpanded( wxDataViewEvent &event )
 976 {
 977     if (!m_log)
 978         return;
 979
 980     wxString title = m_music_model->GetTitle( event.GetItem() );
 981     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item: %s", title );
 982 }
 983
 984 void MyFrame::OnCollapsing( wxDataViewEvent &event )
 985 {
 986     if (!m_log)
 987         return;
 988
 989     wxString title = m_music_model->GetTitle( event.GetItem() );
 990     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item: %s", title );
 991 }
 992
 993 void MyFrame::OnCollapsed( wxDataViewEvent &event )
 994 {
 995     if (!m_log)
 996         return;
 997
 998     wxString title = m_music_model->GetTitle( event.GetItem() );
 999     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item: %s", title );
1000 }
1001
1002 void MyFrame::OnContextMenu( wxDataViewEvent &event )
1003 {
1004     if (!m_log)
1005         return;
1006
1007     wxString title = m_music_model->GetTitle( event.GetItem() );
1008     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s", title );
1009
1010     wxMenu menu;
1011     menu.Append( 1, "menuitem 1" );
1012     menu.Append( 2, "menuitem 2" );
1013     menu.Append( 3, "menuitem 3" );
1014
1015     m_ctrl[0]->PopupMenu(&menu);
1016 }
1017
1018 void MyFrame::OnAttrHeaderClick( wxDataViewEvent &event )
1019 {
1020     // we need to skip the event to let the default behaviour of sorting by
1021     // this column when it is clicked to take place
1022     event.Skip();
1023
1024     if (!m_log)
1025         return;
1026
1027     int pos = m_ctrl[1]->GetColumnPosition( event.GetDataViewColumn() );
1028
1029     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
1030     wxLogMessage( "Column title: %s  Column width: %d", event.GetDataViewColumn()->GetTitle(), event.GetDataViewColumn()->GetWidth() );
1031 }
1032
1033 void MyFrame::OnHeaderClick( wxDataViewEvent &event )
1034 {
1035     // we need to skip the event to let the default behaviour of sorting by
1036     // this column when it is clicked to take place
1037     event.Skip();
1038
1039     if (!m_log)
1040         return;
1041
1042     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1043
1044     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
1045     wxLogMessage( "Column width: %d", event.GetDataViewColumn()->GetWidth() );
1046 }
1047
1048 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
1049 {
1050     if(!m_log)
1051         return;
1052
1053     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1054
1055     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column position: %d", pos );
1056 }
1057
1058 void MyFrame::OnSorted( wxDataViewEvent &event )
1059 {
1060     if(!m_log)
1061         return;
1062
1063     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1064
1065     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column position: %d", pos );
1066 }
1067
1068 void MyFrame::OnRightClick( wxMouseEvent &event )
1069 {
1070     if(!m_log)
1071         return;
1072
1073     wxLogMessage( "wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d",
1074                  event.GetX(), event.GetY() );
1075 }
1076
1077
1078 // ----------------------------------------------------------------------------
1079 // MyFrame - event handlers for the second page
1080 // ----------------------------------------------------------------------------
1081
1082 void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
1083 {
1084     m_list_model->Prepend("Test");
1085 }
1086
1087 void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
1088 {
1089     wxDataViewItemArray items;
1090     int len = m_ctrl[1]->GetSelections( items );
1091     if (len > 0)
1092         m_list_model->DeleteItems( items );
1093 }
1094
1095 void MyFrame::OnGoto(wxCommandEvent& WXUNUSED(event))
1096 {
1097     wxDataViewItem item = m_list_model->GetItem( 50 );
1098     m_ctrl[1]->EnsureVisible(item,m_col);
1099 }
1100
1101 void MyFrame::OnAddMany(wxCommandEvent& WXUNUSED(event))
1102 {
1103     m_list_model->AddMany();
1104 }
1105
1106 void MyFrame::OnHideAttributes(wxCommandEvent& WXUNUSED(event))
1107 {
1108     m_attributes->SetHidden(true);
1109 }
1110
1111 void MyFrame::OnShowAttributes(wxCommandEvent& WXUNUSED(event))
1112 {
1113     m_attributes->SetHidden(false);
1114 }
1115
1116 // ----------------------------------------------------------------------------
1117 // MyFrame - event handlers for the fourth page
1118 // ----------------------------------------------------------------------------
1119
1120 void MyFrame::OnDeleteTreeItem(wxCommandEvent& WXUNUSED(event))
1121 {
1122     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1123     wxDataViewItem selected = ctrl->GetSelection();
1124     if (!selected.IsOk())
1125         return;
1126
1127     ctrl->DeleteItem(selected);
1128 }
1129
1130 void MyFrame::OnDeleteAllTreeItems(wxCommandEvent& WXUNUSED(event))
1131 {
1132     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1133     ctrl->DeleteAllItems();
1134 }
1135
1136 void MyFrame::OnAddTreeItem(wxCommandEvent& WXUNUSED(event))
1137 {
1138     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1139     wxDataViewItem selected = ctrl->GetSelection();
1140     if (ctrl->IsContainer(selected))
1141         ctrl->AppendItem( selected, "Item", 0 );
1142 }
1143
1144 void MyFrame::OnAddTreeContainerItem(wxCommandEvent& WXUNUSED(event))
1145 {
1146     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1147     wxDataViewItem selected = ctrl->GetSelection();
1148     if (ctrl->IsContainer(selected))
1149         ctrl->AppendContainer(selected, "Container", 0 );
1150 }
1151