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 private:
  75     // event handlers
  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     void OnShowCurrent(wxCommandEvent& event);
  92     void OnSetNinthCurrent(wxCommandEvent& event);
  93
  94     void OnPrependList(wxCommandEvent& event);
  95     void OnDeleteList(wxCommandEvent& event);
  96     // Fourth page.
  97     void OnDeleteTreeItem(wxCommandEvent& event);
  98     void OnDeleteAllTreeItems(wxCommandEvent& event);
  99     void OnAddTreeItem(wxCommandEvent& event);
 100     void OnAddTreeContainerItem(wxCommandEvent& event);
 101
 102     void OnValueChanged( wxDataViewEvent &event );
 103
 104     void OnActivated( wxDataViewEvent &event );
 105     void OnExpanding( wxDataViewEvent &event );
 106     void OnExpanded( wxDataViewEvent &event );
 107     void OnCollapsing( wxDataViewEvent &event );
 108     void OnCollapsed( wxDataViewEvent &event );
 109     void OnSelectionChanged( wxDataViewEvent &event );
 110
 111     void OnStartEditing( wxDataViewEvent &event );
 112     void OnEditingStarted( wxDataViewEvent &event );
 113     void OnEditingDone( wxDataViewEvent &event );
 114
 115     void OnHeaderClick( wxDataViewEvent &event );
 116     void OnAttrHeaderClick( wxDataViewEvent &event );
 117     void OnHeaderRightClick( wxDataViewEvent &event );
 118     void OnSorted( wxDataViewEvent &event );
 119
 120     void OnContextMenu( wxDataViewEvent &event );
 121
 122     void OnGoto( wxCommandEvent &event);
 123     void OnAddMany( wxCommandEvent &event);
 124     void OnHideAttributes( wxCommandEvent &event);
 125     void OnShowAttributes( wxCommandEvent &event);
 126
 127 #if wxUSE_DRAG_AND_DROP
 128     void OnBeginDrag( wxDataViewEvent &event );
 129     void OnDropPossible( wxDataViewEvent &event );
 130     void OnDrop( wxDataViewEvent &event );
 131 #endif // wxUSE_DRAG_AND_DROP
 132
 133     void OnDataViewChar(wxKeyEvent& event);
 134
 135     // helper used by both OnDeleteSelected() and OnDataViewChar()
 136     void DeleteSelectedItems();
 137
 138
 139     wxNotebook* m_notebook;
 140
 141     // the controls stored in the various tabs of the main notebook:
 142
 143     wxDataViewCtrl* m_ctrl[4];
 144
 145     // the models associated with the first two DVC:
 146
 147     wxObjectDataPtr<MyMusicTreeModel> m_music_model;
 148     wxObjectDataPtr<MyListModel> m_list_model;
 149
 150     // other data:
 151
 152     wxDataViewColumn* m_col;
 153     wxDataViewColumn* m_attributes;
 154
 155     wxTextCtrl* m_log;
 156     wxLog *m_logOld;
 157
 158 private:
 159     DECLARE_EVENT_TABLE()
 160 };
 161
 162
 163 // ----------------------------------------------------------------------------
 164 // MyCustomRenderer
 165 // ----------------------------------------------------------------------------
 166
 167 class MyCustomRenderer: public wxDataViewCustomRenderer
 168 {
 169 public:
 170     MyCustomRenderer()
 171         : wxDataViewCustomRenderer("string",
 172                                    wxDATAVIEW_CELL_ACTIVATABLE,
 173                                    wxALIGN_CENTER)
 174        { }
 175
 176     virtual bool Render( wxRect rect, wxDC *dc, int state )
 177     {
 178         dc->SetBrush( *wxLIGHT_GREY_BRUSH );
 179         dc->SetPen( *wxTRANSPARENT_PEN );
 180
 181         rect.Deflate(2);
 182         dc->DrawRoundedRectangle( rect, 5 );
 183
 184         RenderText(m_value,
 185                    0, // no offset
 186                    wxRect(dc->GetTextExtent(m_value)).CentreIn(rect),
 187                    dc,
 188                    state);
 189         return true;
 190     }
 191
 192     virtual bool Activate( const wxRect& WXUNUSED(cell),
 193                            wxDataViewModel *WXUNUSED(model),
 194                            const wxDataViewItem &WXUNUSED(item),
 195                            unsigned int WXUNUSED(col) )
 196     {
 197         wxLogMessage( "MyCustomRenderer Activate()" );
 198         return false;
 199     }
 200
 201     virtual bool LeftClick(const wxPoint& cursor,
 202                            const wxRect& WXUNUSED(cell),
 203                            wxDataViewModel *WXUNUSED(model),
 204                            const wxDataViewItem &WXUNUSED(item),
 205                            unsigned int WXUNUSED(col) )
 206     {
 207         wxLogMessage( "MyCustomRenderer LeftClick( %d, %d )", cursor.x, cursor.y );
 208         return false;
 209     }
 210
 211     virtual wxSize GetSize() const
 212     {
 213         return wxSize(60,20);
 214     }
 215
 216     virtual bool SetValue( const wxVariant &value )
 217     {
 218         m_value = value.GetString();
 219         return true;
 220     }
 221
 222     virtual bool GetValue( wxVariant &WXUNUSED(value) ) const { return true; }
 223
 224 private:
 225     wxString m_value;
 226 };
 227
 228
 229 // ============================================================================
 230 // implementation
 231 // ============================================================================
 232
 233 // ----------------------------------------------------------------------------
 234 // MyApp
 235 // ----------------------------------------------------------------------------
 236
 237 IMPLEMENT_APP(MyApp)
 238
 239 bool MyApp::OnInit()
 240 {
 241     if ( !wxApp::OnInit() )
 242         return false;
 243
 244     MyFrame *frame =
 245         new MyFrame(NULL, "wxDataViewCtrl sample", 40, 40, 1000, 540);
 246
 247     frame->Show(true);
 248     return true;
 249 }
 250
 251
 252 // ----------------------------------------------------------------------------
 253 // MyFrame
 254 // ----------------------------------------------------------------------------
 255
 256 enum
 257 {
 258     ID_CLEARLOG = wxID_HIGHEST+1,
 259     ID_BACKGROUND_COLOUR,
 260     ID_FOREGROUND_COLOUR,
 261     ID_STYLE_MENU,
 262
 263     // file menu
 264     //ID_SINGLE,        wxDV_SINGLE==0 so it's always present
 265     ID_MULTIPLE,
 266     ID_ROW_LINES,
 267     ID_HORIZ_RULES,
 268     ID_VERT_RULES,
 269
 270     ID_EXIT = wxID_EXIT,
 271
 272     // about menu
 273     ID_ABOUT = wxID_ABOUT,
 274
 275
 276     // control IDs
 277
 278     ID_MUSIC_CTRL       = 50,
 279     ID_ATTR_CTRL        = 51,
 280
 281     ID_ADD_MOZART       = 100,
 282     ID_DELETE_SEL       = 101,
 283     ID_DELETE_YEAR      = 102,
 284     ID_SELECT_NINTH     = 103,
 285     ID_COLLAPSE         = 104,
 286     ID_EXPAND           = 105,
 287     ID_SHOW_CURRENT,
 288     ID_SET_NINTH_CURRENT,
 289
 290     ID_PREPEND_LIST     = 200,
 291     ID_DELETE_LIST      = 201,
 292     ID_GOTO             = 202,
 293     ID_ADD_MANY         = 203,
 294     ID_HIDE_ATTRIBUTES  = 204,
 295     ID_SHOW_ATTRIBUTES  = 205,
 296
 297     // Fourth page.
 298     ID_DELETE_TREE_ITEM = 400,
 299     ID_DELETE_ALL_TREE_ITEMS = 401,
 300     ID_ADD_TREE_ITEM = 402,
 301     ID_ADD_TREE_CONTAINER_ITEM = 403
 302 };
 303
 304 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 305     EVT_MENU_RANGE( ID_MULTIPLE, ID_VERT_RULES, MyFrame::OnStyleChange )
 306     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 307     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
 308     EVT_MENU( ID_CLEARLOG, MyFrame::OnClearLog )
 309
 310     EVT_MENU( ID_FOREGROUND_COLOUR, MyFrame::OnSetForegroundColour )
 311     EVT_MENU( ID_BACKGROUND_COLOUR, MyFrame::OnSetBackgroundColour )
 312
 313     EVT_NOTEBOOK_PAGE_CHANGED( wxID_ANY, MyFrame::OnPageChanged )
 314
 315     EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
 316     EVT_BUTTON( ID_DELETE_SEL, MyFrame::OnDeleteSelected )
 317     EVT_BUTTON( ID_DELETE_YEAR, MyFrame::OnDeleteYear )
 318     EVT_BUTTON( ID_SELECT_NINTH, MyFrame::OnSelectNinth )
 319     EVT_BUTTON( ID_COLLAPSE, MyFrame::OnCollapse )
 320     EVT_BUTTON( ID_EXPAND, MyFrame::OnExpand )
 321     EVT_BUTTON( ID_SHOW_CURRENT, MyFrame::OnShowCurrent )
 322     EVT_BUTTON( ID_SET_NINTH_CURRENT, MyFrame::OnSetNinthCurrent )
 323
 324     EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
 325     EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
 326     EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
 327     EVT_BUTTON( ID_ADD_MANY, MyFrame::OnAddMany)
 328     EVT_BUTTON( ID_HIDE_ATTRIBUTES, MyFrame::OnHideAttributes)
 329     EVT_BUTTON( ID_SHOW_ATTRIBUTES, MyFrame::OnShowAttributes)
 330     // Fourth page.
 331     EVT_BUTTON( ID_DELETE_TREE_ITEM, MyFrame::OnDeleteTreeItem )
 332     EVT_BUTTON( ID_DELETE_ALL_TREE_ITEMS, MyFrame::OnDeleteAllTreeItems )
 333     EVT_BUTTON( ID_ADD_TREE_ITEM, MyFrame::OnAddTreeItem )
 334     EVT_BUTTON( ID_ADD_TREE_CONTAINER_ITEM, MyFrame::OnAddTreeContainerItem )
 335
 336     EVT_DATAVIEW_ITEM_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 337
 338     EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
 339     EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
 340     EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
 341     EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
 342     EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
 343     EVT_DATAVIEW_SELECTION_CHANGED(ID_MUSIC_CTRL, MyFrame::OnSelectionChanged)
 344
 345     EVT_DATAVIEW_ITEM_START_EDITING(ID_MUSIC_CTRL, MyFrame::OnStartEditing)
 346     EVT_DATAVIEW_ITEM_EDITING_STARTED(ID_MUSIC_CTRL, MyFrame::OnEditingStarted)
 347     EVT_DATAVIEW_ITEM_EDITING_DONE(ID_MUSIC_CTRL, MyFrame::OnEditingDone)
 348
 349     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
 350     EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
 351     EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
 352
 353     EVT_DATAVIEW_ITEM_CONTEXT_MENU(ID_MUSIC_CTRL, MyFrame::OnContextMenu)
 354
 355 #if wxUSE_DRAG_AND_DROP
 356     EVT_DATAVIEW_ITEM_BEGIN_DRAG( ID_MUSIC_CTRL, MyFrame::OnBeginDrag )
 357     EVT_DATAVIEW_ITEM_DROP_POSSIBLE( ID_MUSIC_CTRL, MyFrame::OnDropPossible )
 358     EVT_DATAVIEW_ITEM_DROP( ID_MUSIC_CTRL, MyFrame::OnDrop )
 359 #endif // wxUSE_DRAG_AND_DROP
 360
 361     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_ATTR_CTRL, MyFrame::OnAttrHeaderClick)
 362
 363 END_EVENT_TABLE()
 364
 365 MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int h):
 366   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 367 {
 368     m_log = NULL;
 369     m_col = NULL;
 370
 371     m_ctrl[0] = NULL;
 372     m_ctrl[1] = NULL;
 373     m_ctrl[2] = NULL;
 374     m_ctrl[3] = NULL;
 375
 376     SetIcon(wxICON(sample));
 377
 378
 379     // build the menus
 380     // ----------------
 381
 382     wxMenu *style_menu = new wxMenu;
 383     //style_menu->AppendCheckItem(ID_SINGLE, "Single selection"));
 384     style_menu->AppendCheckItem(ID_MULTIPLE, "Multiple selection");
 385     style_menu->AppendCheckItem(ID_ROW_LINES, "Alternating colours");
 386     style_menu->AppendCheckItem(ID_HORIZ_RULES, "Display horizontal rules");
 387     style_menu->AppendCheckItem(ID_VERT_RULES, "Display vertical rules");
 388
 389     wxMenu *file_menu = new wxMenu;
 390     file_menu->Append(ID_CLEARLOG, "&Clear log\tCtrl-L");
 391     file_menu->Append(ID_FOREGROUND_COLOUR, "Set &foreground colour...\tCtrl-S");
 392     file_menu->Append(ID_BACKGROUND_COLOUR, "Set &background colour...\tCtrl-B");
 393     file_menu->Append(ID_STYLE_MENU, "&Style", style_menu);
 394     file_menu->AppendSeparator();
 395     file_menu->Append(ID_EXIT, "E&xit");
 396
 397     wxMenu *about_menu = new wxMenu;
 398     about_menu->Append(ID_ABOUT, "&About");
 399
 400     wxMenuBar *menu_bar = new wxMenuBar;
 401     menu_bar->Append(file_menu, "&File");
 402     menu_bar->Append(about_menu, "&About");
 403
 404     SetMenuBar(menu_bar);
 405     CreateStatusBar();
 406
 407
 408     // redirect logs from our event handlers to text control
 409     m_log = new wxTextCtrl( this, wxID_ANY, wxString(), wxDefaultPosition,
 410                             wxDefaultSize, wxTE_MULTILINE );
 411     m_log->SetMinSize(wxSize(-1, 100));
 412     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
 413     wxLogMessage( "This is the log window" );
 414
 415
 416     // first page of the notebook
 417     // --------------------------
 418
 419     m_notebook = new wxNotebook( this, wxID_ANY );
 420
 421     wxPanel *firstPanel = new wxPanel( m_notebook, wxID_ANY );
 422
 423     BuildDataViewCtrl(firstPanel, 0);    // sets m_ctrl[0]
 424
 425     const wxSizerFlags border = wxSizerFlags().DoubleBorder();
 426
 427     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
 428     button_sizer->Add( new wxButton( firstPanel, ID_ADD_MOZART,  "Add Mozart"),             border );
 429     button_sizer->Add( new wxButton( firstPanel, ID_DELETE_SEL,  "Delete selected"),        border );
 430     button_sizer->Add( new wxButton( firstPanel, ID_DELETE_YEAR, "Delete \"Year\" column"), border );
 431     button_sizer->Add( new wxButton( firstPanel, ID_SELECT_NINTH,"Select ninth symphony"),  border );
 432     button_sizer->Add( new wxButton( firstPanel, ID_COLLAPSE,    "Collapse"),               border );
 433     button_sizer->Add( new wxButton( firstPanel, ID_EXPAND,      "Expand"),                 border );
 434
 435     wxBoxSizer *sizerCurrent = new wxBoxSizer(wxHORIZONTAL);
 436     sizerCurrent->Add(new wxButton(firstPanel, ID_SHOW_CURRENT,
 437                                    "&Show current"), border);
 438     sizerCurrent->Add(new wxButton(firstPanel, ID_SET_NINTH_CURRENT,
 439                                    "Make &ninth symphony current"), border);
 440
 441     wxSizer *firstPanelSz = new wxBoxSizer( wxVERTICAL );
 442     m_ctrl[0]->SetMinSize(wxSize(-1, 200));
 443     firstPanelSz->Add(m_ctrl[0], 1, wxGROW|wxALL, 5);
 444     firstPanelSz->Add(
 445         new wxStaticText(firstPanel, wxID_ANY, "Most of the cells above are editable!"),
 446         0, wxGROW|wxALL, 5);
 447     firstPanelSz->Add(button_sizer);
 448     firstPanelSz->Add(sizerCurrent);
 449     firstPanel->SetSizerAndFit(firstPanelSz);
 450
 451
 452     // second page of the notebook
 453     // ---------------------------
 454
 455     wxPanel *secondPanel = new wxPanel( m_notebook, wxID_ANY );
 456
 457     BuildDataViewCtrl(secondPanel, 1);    // sets m_ctrl[1]
 458
 459     wxBoxSizer *button_sizer2 = new wxBoxSizer( wxHORIZONTAL );
 460     button_sizer2->Add( new wxButton( secondPanel, ID_PREPEND_LIST,"Prepend"),                0, wxALL, 10 );
 461     button_sizer2->Add( new wxButton( secondPanel, ID_DELETE_LIST, "Delete selected"),        0, wxALL, 10 );
 462     button_sizer2->Add( new wxButton( secondPanel, ID_GOTO,        "Goto 50"),                0, wxALL, 10 );
 463     button_sizer2->Add( new wxButton( secondPanel, ID_ADD_MANY,    "Add 1000"),               0, wxALL, 10 );
 464     button_sizer2->Add( new wxButton( secondPanel, ID_HIDE_ATTRIBUTES,    "Hide attributes"), 0, wxALL, 10 );
 465     button_sizer2->Add( new wxButton( secondPanel, ID_SHOW_ATTRIBUTES,    "Show attributes"), 0, wxALL, 10 );
 466
 467     wxSizer *secondPanelSz = new wxBoxSizer( wxVERTICAL );
 468     secondPanelSz->Add(m_ctrl[1], 1, wxGROW|wxALL, 5);
 469     secondPanelSz->Add(button_sizer2);
 470     secondPanel->SetSizerAndFit(secondPanelSz);
 471
 472
 473     // third page of the notebook
 474     // ---------------------------
 475
 476     wxPanel *thirdPanel = new wxPanel( m_notebook, wxID_ANY );
 477
 478     BuildDataViewCtrl(thirdPanel, 2);    // sets m_ctrl[2]
 479
 480     wxSizer *thirdPanelSz = new wxBoxSizer( wxVERTICAL );
 481     thirdPanelSz->Add(m_ctrl[2], 1, wxGROW|wxALL, 5);
 482     thirdPanel->SetSizerAndFit(thirdPanelSz);
 483
 484
 485     // fourth page of the notebook
 486     // ---------------------------
 487
 488     wxPanel *fourthPanel = new wxPanel( m_notebook, wxID_ANY );
 489
 490     BuildDataViewCtrl(fourthPanel, 3);    // sets m_ctrl[3]
 491     // Buttons
 492     wxBoxSizer *button_sizer4 = new wxBoxSizer( wxHORIZONTAL );
 493     button_sizer4->Add( new wxButton( fourthPanel, ID_DELETE_TREE_ITEM, "Delete Selected"), 0, wxALL, 10 );
 494     button_sizer4->Add( new wxButton( fourthPanel, ID_DELETE_ALL_TREE_ITEMS, "Delete All"), 0, wxALL, 10 );
 495     button_sizer4->Add( new wxButton( fourthPanel, ID_ADD_TREE_ITEM, "Add Item"), 0, wxALL, 10 );
 496     button_sizer4->Add( new wxButton( fourthPanel, ID_ADD_TREE_CONTAINER_ITEM, "Add Container"), 0, wxALL, 10 );
 497
 498     wxSizer *fourthPanelSz = new wxBoxSizer( wxVERTICAL );
 499     fourthPanelSz->Add(m_ctrl[3], 1, wxGROW|wxALL, 5);
 500     fourthPanelSz->Add(button_sizer4);
 501     fourthPanel->SetSizerAndFit(fourthPanelSz);
 502
 503
 504
 505     // complete GUI
 506     // ------------
 507
 508     m_notebook->AddPage(firstPanel, "MyMusicTreeModel");
 509     m_notebook->AddPage(secondPanel, "MyListModel");
 510     m_notebook->AddPage(thirdPanel, "wxDataViewListCtrl");
 511     m_notebook->AddPage(fourthPanel, "wxDataViewTreeCtrl");
 512
 513     wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);
 514
 515     mainSizer->Add( m_notebook, 1, wxGROW );
 516     mainSizer->Add( m_log, 0, wxGROW );
 517
 518     SetSizerAndFit(mainSizer);
 519 }
 520
 521 MyFrame::~MyFrame()
 522 {
 523     delete wxLog::SetActiveTarget(m_logOld);
 524 }
 525
 526 void MyFrame::BuildDataViewCtrl(wxPanel* parent, unsigned int nPanel, unsigned long style)
 527 {
 528     switch (nPanel)
 529     {
 530     case 0:
 531         {
 532             wxASSERT(!m_ctrl[0] && !m_music_model);
 533             m_ctrl[0] =
 534                 new wxDataViewCtrl( parent, ID_MUSIC_CTRL, wxDefaultPosition,
 535                                     wxDefaultSize, style );
 536             m_ctrl[0]->Connect(wxEVT_CHAR,
 537                                wxKeyEventHandler(MyFrame::OnDataViewChar),
 538                                NULL, this);
 539
 540             m_music_model = new MyMusicTreeModel;
 541             m_ctrl[0]->AssociateModel( m_music_model.get() );
 542
 543 #if wxUSE_DRAG_AND_DROP && wxUSE_UNICODE
 544             m_ctrl[0]->EnableDragSource( wxDF_UNICODETEXT );
 545             m_ctrl[0]->EnableDropTarget( wxDF_UNICODETEXT );
 546 #endif // wxUSE_DRAG_AND_DROP && wxUSE_UNICODE
 547
 548             // column 0 of the view control:
 549
 550             wxDataViewTextRenderer *tr =
 551                 new wxDataViewTextRenderer( "string", wxDATAVIEW_CELL_INERT );
 552             wxDataViewColumn *column0 =
 553                 new wxDataViewColumn( "title", tr, 0, 200, wxALIGN_LEFT,
 554                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_RESIZABLE );
 555             m_ctrl[0]->AppendColumn( column0 );
 556 #if 0
 557             // Call this and sorting is enabled
 558             // immediatly upon start up.
 559             column0->SetAsSortKey();
 560 #endif
 561
 562             // column 1 of the view control:
 563
 564             tr = new wxDataViewTextRenderer( "string", wxDATAVIEW_CELL_EDITABLE );
 565             wxDataViewColumn *column1 =
 566                 new wxDataViewColumn( "artist", tr, 1, 150, wxALIGN_LEFT,
 567                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE |
 568                                       wxDATAVIEW_COL_RESIZABLE );
 569             column1->SetMinWidth(150); // this column can't be resized to be smaller
 570             m_ctrl[0]->AppendColumn( column1 );
 571
 572             // column 2 of the view control:
 573
 574             wxDataViewSpinRenderer *sr =
 575                 new wxDataViewSpinRenderer( 0, 2010, wxDATAVIEW_CELL_EDITABLE, wxALIGN_RIGHT );
 576             wxDataViewColumn *column2 =
 577                 new wxDataViewColumn( "year", sr, 2, 60, wxALIGN_LEFT,
 578                                       wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE );
 579             m_ctrl[0]->AppendColumn( column2 );
 580
 581             // column 3 of the view control:
 582
 583             wxArrayString choices;
 584             choices.Add( "good" );
 585             choices.Add( "bad" );
 586             choices.Add( "lousy" );
 587             wxDataViewChoiceRenderer *c =
 588                 new wxDataViewChoiceRenderer( choices, wxDATAVIEW_CELL_EDITABLE, wxALIGN_RIGHT );
 589             wxDataViewColumn *column3 =
 590                 new wxDataViewColumn( "rating", c, 3, 100, wxALIGN_LEFT,
 591                                       wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 592             m_ctrl[0]->AppendColumn( column3 );
 593
 594             // column 4 of the view control:
 595
 596             m_ctrl[0]->AppendProgressColumn( "popularity", 4, wxDATAVIEW_CELL_INERT, 80 );
 597
 598             // column 5 of the view control:
 599
 600             MyCustomRenderer *cr = new MyCustomRenderer;
 601             wxDataViewColumn *column5 =
 602                 new wxDataViewColumn( "custom", cr, 5, -1, wxALIGN_LEFT,
 603                                       wxDATAVIEW_COL_RESIZABLE );
 604             m_ctrl[0]->AppendColumn( column5 );
 605
 606
 607             // select initially the ninth symphony:
 608             m_ctrl[0]->Select(m_music_model->GetNinthItem());
 609         }
 610         break;
 611
 612     case 1:
 613         {
 614             wxASSERT(!m_ctrl[1] && !m_list_model);
 615             m_ctrl[1] = new wxDataViewCtrl( parent, ID_ATTR_CTRL, wxDefaultPosition,
 616                                             wxDefaultSize, style );
 617
 618             m_list_model = new MyListModel;
 619             m_ctrl[1]->AssociateModel( m_list_model.get() );
 620
 621             // the various columns
 622             m_ctrl[1]->AppendTextColumn("editable string",
 623                                         MyListModel::Col_EditableText,
 624                                         wxDATAVIEW_CELL_EDITABLE,
 625                                         wxCOL_WIDTH_AUTOSIZE);
 626             m_ctrl[1]->AppendIconTextColumn("icon",
 627                                             MyListModel::Col_IconText,
 628                                             wxDATAVIEW_CELL_EDITABLE,
 629                                             wxCOL_WIDTH_AUTOSIZE);
 630
 631             m_attributes =
 632                 new wxDataViewColumn("attributes",
 633                                      new wxDataViewTextRenderer,
 634                                      MyListModel::Col_TextWithAttr,
 635                                      wxCOL_WIDTH_AUTOSIZE,
 636                                      wxALIGN_RIGHT,
 637                                      wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 638             m_ctrl[1]->AppendColumn( m_attributes );
 639
 640             m_ctrl[1]->AppendColumn(
 641                 new wxDataViewColumn("custom renderer",
 642                                      new MyCustomRenderer,
 643                                      MyListModel::Col_Custom)
 644             );
 645         }
 646         break;
 647
 648     case 2:
 649         {
 650             wxASSERT(!m_ctrl[2]);
 651             wxDataViewListCtrl* lc =
 652                 new wxDataViewListCtrl( parent, wxID_ANY, wxDefaultPosition,
 653                                         wxDefaultSize, style );
 654             m_ctrl[2] = lc;
 655
 656             MyListStoreDerivedModel* page2_model = new MyListStoreDerivedModel();
 657             lc->AssociateModel(page2_model);
 658             page2_model->DecRef();
 659
 660             lc->AppendToggleColumn( "Toggle" );
 661             lc->AppendTextColumn( "Text" );
 662             lc->AppendProgressColumn( "Progress" );
 663
 664             wxVector<wxVariant> data;
 665             for (unsigned int i=0; i<10; i++)
 666             {
 667                 data.clear();
 668                 data.push_back( (i%3) == 0 );
 669                 data.push_back( wxString::Format("row %d", i) );
 670                 data.push_back( long(5*i) );
 671
 672                 lc->AppendItem( data );
 673             }
 674         }
 675         break;
 676
 677     case 3:
 678         {
 679             wxASSERT(!m_ctrl[3]);
 680             wxDataViewTreeCtrl* tc =
 681                 new wxDataViewTreeCtrl( parent, wxID_ANY, wxDefaultPosition,
 682                                         wxDefaultSize, style | wxDV_NO_HEADER );
 683             m_ctrl[3] = tc;
 684
 685             wxImageList *ilist = new wxImageList( 16, 16 );
 686             ilist->Add( wxIcon(wx_small_xpm) );
 687             tc->SetImageList( ilist );
 688
 689             wxDataViewItem parent =
 690                 tc->AppendContainer( wxDataViewItem(0), "The Root", 0 );
 691             tc->AppendItem( parent, "Child 1", 0 );
 692             tc->AppendItem( parent, "Child 2", 0 );
 693             tc->AppendItem( parent, "Child 3, very long, long, long, long", 0 );
 694
 695             wxDataViewItem cont =
 696                 tc->AppendContainer( parent, "Container child", 0 );
 697             tc->AppendItem( cont, "Child 4", 0 );
 698             tc->AppendItem( cont, "Child 5", 0 );
 699
 700             tc->Expand(cont);
 701         }
 702         break;
 703     }
 704 }
 705
 706
 707 // ----------------------------------------------------------------------------
 708 // MyFrame - generic event handlers
 709 // ----------------------------------------------------------------------------
 710
 711 void MyFrame::OnClearLog( wxCommandEvent& WXUNUSED(event) )
 712 {
 713     m_log->Clear();
 714 }
 715
 716 void MyFrame::OnSetForegroundColour(wxCommandEvent& WXUNUSED(event))
 717 {
 718     wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];
 719     wxColour col = wxGetColourFromUser(this, dvc->GetForegroundColour());
 720     if ( col.IsOk() )
 721     {
 722         dvc->SetForegroundColour(col);
 723         Refresh();
 724     }
 725 }
 726
 727 void MyFrame::OnSetBackgroundColour(wxCommandEvent& WXUNUSED(event))
 728 {
 729     wxDataViewCtrl * const dvc = m_ctrl[m_notebook->GetSelection()];
 730     wxColour col = wxGetColourFromUser(this, dvc->GetBackgroundColour());
 731     if ( col.IsOk() )
 732     {
 733         dvc->SetBackgroundColour(col);
 734         Refresh();
 735     }
 736 }
 737
 738 void MyFrame::OnPageChanged( wxBookCtrlEvent& WXUNUSED(event) )
 739 {
 740     unsigned int nPanel = m_notebook->GetSelection();
 741
 742     GetMenuBar()->FindItem(ID_STYLE_MENU)->SetItemLabel(
 743                 wxString::Format("Style of panel #%d", nPanel+1));
 744
 745     for (unsigned int id = ID_MULTIPLE; id <= ID_VERT_RULES; id++)
 746     {
 747         unsigned long style = 0;
 748         switch (id)
 749         {
 750         /*case ID_SINGLE:
 751             style = wxDV_SINGLE;
 752             break;*/
 753         case ID_MULTIPLE:
 754             style = wxDV_MULTIPLE;
 755             break;
 756         case ID_ROW_LINES:
 757             style = wxDV_ROW_LINES;
 758             break;
 759         case ID_HORIZ_RULES:
 760             style = wxDV_HORIZ_RULES;
 761             break;
 762         case ID_VERT_RULES:
 763             style = wxDV_VERT_RULES;
 764             break;
 765         default:
 766             wxFAIL;
 767         }
 768
 769         GetMenuBar()->FindItem(id)->Check( m_ctrl[nPanel]->HasFlag(style) );
 770     }
 771 }
 772
 773 void MyFrame::OnStyleChange( wxCommandEvent& WXUNUSED(event) )
 774 {
 775     unsigned int nPanel = m_notebook->GetSelection();
 776
 777     // build the style
 778     unsigned long style = 0;
 779     /*if (GetMenuBar()->FindItem(ID_SINGLE)->IsChecked())
 780         style |= wxDV_SINGLE;*/
 781     if (GetMenuBar()->FindItem(ID_MULTIPLE)->IsChecked())
 782         style |= wxDV_MULTIPLE;
 783     if (GetMenuBar()->FindItem(ID_ROW_LINES)->IsChecked())
 784         style |= wxDV_ROW_LINES;
 785     if (GetMenuBar()->FindItem(ID_HORIZ_RULES)->IsChecked())
 786         style |= wxDV_HORIZ_RULES;
 787     if (GetMenuBar()->FindItem(ID_VERT_RULES)->IsChecked())
 788         style |= wxDV_VERT_RULES;
 789
 790     wxSizer* sz = m_ctrl[nPanel]->GetContainingSizer();
 791     wxASSERT(sz);
 792
 793     sz->Detach(m_ctrl[nPanel]);
 794     wxDELETE(m_ctrl[nPanel]);
 795     m_ctrl[nPanel] = NULL;
 796
 797     if (nPanel == 0)
 798         m_music_model.reset(NULL);
 799     else if (nPanel == 1)
 800         m_list_model.reset(NULL);
 801
 802     // rebuild the DVC for the selected panel:
 803     BuildDataViewCtrl((wxPanel*)m_notebook->GetPage(nPanel), nPanel, style);
 804
 805     sz->Prepend(m_ctrl[nPanel], 1, wxGROW|wxALL, 5);
 806     sz->Layout();
 807 }
 808
 809 void MyFrame::OnQuit( wxCommandEvent& WXUNUSED(event) )
 810 {
 811     Close(true);
 812 }
 813
 814 void MyFrame::OnAbout( wxCommandEvent& WXUNUSED(event) )
 815 {
 816     wxAboutDialogInfo info;
 817     info.SetName(_("DataView sample"));
 818     info.SetDescription(_("This sample demonstrates wxDataViewCtrl"));
 819     info.SetCopyright(wxT("(C) 2007-2009 Robert Roebling"));
 820     info.AddDeveloper("Robert Roebling");
 821     info.AddDeveloper("Francesco Montorsi");
 822
 823     wxAboutBox(info);
 824 }
 825
 826
 827 // ----------------------------------------------------------------------------
 828 // MyFrame - event handlers for the first page
 829 // ----------------------------------------------------------------------------
 830
 831 #if wxUSE_DRAG_AND_DROP
 832
 833 void MyFrame::OnBeginDrag( wxDataViewEvent &event )
 834 {
 835     wxDataViewItem item( event.GetItem() );
 836
 837     // only allow drags for item, not containers
 838     if (m_music_model->IsContainer( item ) )
 839     {
 840         event.Veto();
 841         return;
 842     }
 843
 844     MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
 845     wxTextDataObject *obj = new wxTextDataObject;
 846     obj->SetText( node->m_title );
 847     event.SetDataObject( obj );
 848 }
 849
 850 void MyFrame::OnDropPossible( wxDataViewEvent &event )
 851 {
 852     wxDataViewItem item( event.GetItem() );
 853
 854     // only allow drags for item, not containers
 855     if (m_music_model->IsContainer( item ) )
 856         event.Veto();
 857
 858     if (event.GetDataFormat() != wxDF_UNICODETEXT)
 859         event.Veto();
 860 }
 861
 862 void MyFrame::OnDrop( wxDataViewEvent &event )
 863 {
 864     wxDataViewItem item( event.GetItem() );
 865
 866     // only allow drops for item, not containers
 867     if (m_music_model->IsContainer( item ) )
 868     {
 869         event.Veto();
 870         return;
 871     }
 872
 873     if (event.GetDataFormat() != wxDF_UNICODETEXT)
 874     {
 875         event.Veto();
 876         return;
 877     }
 878
 879     wxTextDataObject obj;
 880     obj.SetData( wxDF_UNICODETEXT, event.GetDataSize(), event.GetDataBuffer() );
 881
 882     wxLogMessage( "Text dropped: %s", obj.GetText() );
 883 }
 884
 885 #endif // wxUSE_DRAG_AND_DROP
 886
 887 void MyFrame::OnAddMozart( wxCommandEvent& WXUNUSED(event) )
 888 {
 889     m_music_model->AddToClassical( "Eine kleine Nachtmusik", "Wolfgang Mozart", 1787 );
 890 }
 891
 892 void MyFrame::DeleteSelectedItems()
 893 {
 894     wxDataViewItemArray items;
 895     int len = m_ctrl[0]->GetSelections( items );
 896     for( int i = 0; i < len; i ++ )
 897         if (items[i].IsOk())
 898             m_music_model->Delete( items[i] );
 899 }
 900
 901 void MyFrame::OnDeleteSelected( wxCommandEvent& WXUNUSED(event) )
 902 {
 903     DeleteSelectedItems();
 904 }
 905
 906 void MyFrame::OnDeleteYear( wxCommandEvent& WXUNUSED(event) )
 907 {
 908     m_ctrl[0]->DeleteColumn( m_ctrl[0]->GetColumn( 2 ) );
 909     FindWindow( ID_DELETE_YEAR )->Disable();
 910 }
 911
 912 void MyFrame::OnSelectNinth( wxCommandEvent& WXUNUSED(event) )
 913 {
 914     if (!m_music_model->GetNinthItem().IsOk())
 915     {
 916         wxLogError( "Cannot select the ninth symphony: it was removed!" );
 917         return;
 918     }
 919
 920     m_ctrl[0]->Select( m_music_model->GetNinthItem() );
 921 }
 922
 923 void MyFrame::OnCollapse( wxCommandEvent& WXUNUSED(event) )
 924 {
 925     wxDataViewItem item = m_ctrl[0]->GetSelection();
 926     if (item.IsOk())
 927         m_ctrl[0]->Collapse( item );
 928 }
 929
 930 void MyFrame::OnExpand( wxCommandEvent& WXUNUSED(event) )
 931 {
 932     wxDataViewItem item = m_ctrl[0]->GetSelection();
 933     if (item.IsOk())
 934         m_ctrl[0]->Expand( item );
 935 }
 936
 937 void MyFrame::OnShowCurrent(wxCommandEvent& WXUNUSED(event))
 938 {
 939     wxDataViewItem item = m_ctrl[0]->GetCurrentItem();
 940     if ( item.IsOk() )
 941     {
 942         wxLogMessage("Current item: \"%s\" by %s",
 943                      m_music_model->GetTitle(item),
 944                      m_music_model->GetArtist(item));
 945     }
 946     else
 947     {
 948         wxLogMessage("There is no current item.");
 949     }
 950 }
 951
 952 void MyFrame::OnSetNinthCurrent(wxCommandEvent& WXUNUSED(event))
 953 {
 954     wxDataViewItem item(m_music_model->GetNinthItem());
 955     if ( !item.IsOk() )
 956     {
 957         wxLogError( "Cannot make the ninth symphony current: it was removed!" );
 958         return;
 959     }
 960
 961     m_ctrl[0]->SetCurrentItem(item);
 962 }
 963
 964 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 965 {
 966     wxString title = m_music_model->GetTitle( event.GetItem() );
 967     wxLogMessage( "wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, Item Id: %s;  Column: %d",
 968                   title, event.GetColumn() );
 969 }
 970
 971 void MyFrame::OnActivated( wxDataViewEvent &event )
 972 {
 973     wxString title = m_music_model->GetTitle( event.GetItem() );
 974     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item: %s", title );
 975
 976     if (m_ctrl[0]->IsExpanded( event.GetItem() ))
 977     {
 978         wxLogMessage( "Item: %s is expanded", title );
 979     }
 980 }
 981
 982 void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 983 {
 984     wxString title = m_music_model->GetTitle( event.GetItem() );
 985     if (title.empty())
 986         title = "None";
 987
 988     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, First selected Item: %s", title );
 989 }
 990
 991 void MyFrame::OnExpanding( wxDataViewEvent &event )
 992 {
 993     wxString title = m_music_model->GetTitle( event.GetItem() );
 994     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item: %s", title );
 995 }
 996
 997
 998 void MyFrame::OnStartEditing( wxDataViewEvent &event )
 999 {
1000     wxString artist = m_music_model->GetArtist( event.GetItem() );
1001     if (artist == "Ludwig van Beethoven")
1002     {
1003         event.Veto();
1004
1005         wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING vetoed. Artist: %s", artist );
1006     }
1007     else
1008         wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING not vetoed. Artist: %s", artist );
1009
1010 }
1011
1012 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
1013 {
1014     wxString title = m_music_model->GetTitle( event.GetItem() );
1015     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item: %s", title );
1016 }
1017
1018 void MyFrame::OnEditingDone( wxDataViewEvent &event )
1019 {
1020     wxString title = m_music_model->GetTitle( event.GetItem() );
1021     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item: %s", title );
1022 }
1023
1024 void MyFrame::OnExpanded( wxDataViewEvent &event )
1025 {
1026     wxString title = m_music_model->GetTitle( event.GetItem() );
1027     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item: %s", title );
1028 }
1029
1030 void MyFrame::OnCollapsing( wxDataViewEvent &event )
1031 {
1032     wxString title = m_music_model->GetTitle( event.GetItem() );
1033     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item: %s", title );
1034 }
1035
1036 void MyFrame::OnCollapsed( wxDataViewEvent &event )
1037 {
1038     wxString title = m_music_model->GetTitle( event.GetItem() );
1039     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item: %s", title );
1040 }
1041
1042 void MyFrame::OnContextMenu( wxDataViewEvent &event )
1043 {
1044     wxString title = m_music_model->GetTitle( event.GetItem() );
1045     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s", title );
1046
1047     wxMenu menu;
1048     menu.Append( 1, "menuitem 1" );
1049     menu.Append( 2, "menuitem 2" );
1050     menu.Append( 3, "menuitem 3" );
1051
1052     m_ctrl[0]->PopupMenu(&menu);
1053 }
1054
1055 void MyFrame::OnAttrHeaderClick( wxDataViewEvent &event )
1056 {
1057     // we need to skip the event to let the default behaviour of sorting by
1058     // this column when it is clicked to take place
1059     event.Skip();
1060
1061     int pos = m_ctrl[1]->GetColumnPosition( event.GetDataViewColumn() );
1062
1063     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
1064     wxLogMessage( "Column title: %s  Column width: %d", event.GetDataViewColumn()->GetTitle(), event.GetDataViewColumn()->GetWidth() );
1065 }
1066
1067 void MyFrame::OnHeaderClick( wxDataViewEvent &event )
1068 {
1069     // we need to skip the event to let the default behaviour of sorting by
1070     // this column when it is clicked to take place
1071     event.Skip();
1072
1073     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1074
1075     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
1076     wxLogMessage( "Column width: %d", event.GetDataViewColumn()->GetWidth() );
1077 }
1078
1079 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
1080 {
1081     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1082
1083     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column position: %d", pos );
1084 }
1085
1086 void MyFrame::OnSorted( wxDataViewEvent &event )
1087 {
1088     int pos = m_ctrl[0]->GetColumnPosition( event.GetDataViewColumn() );
1089
1090     wxLogMessage( "wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column position: %d", pos );
1091 }
1092
1093 void MyFrame::OnDataViewChar(wxKeyEvent& event)
1094 {
1095     if ( event.GetKeyCode() == WXK_DELETE )
1096         DeleteSelectedItems();
1097     else
1098         event.Skip();
1099 }
1100
1101 // ----------------------------------------------------------------------------
1102 // MyFrame - event handlers for the second page
1103 // ----------------------------------------------------------------------------
1104
1105 void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
1106 {
1107     m_list_model->Prepend("Test");
1108 }
1109
1110 void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
1111 {
1112     wxDataViewItemArray items;
1113     int len = m_ctrl[1]->GetSelections( items );
1114     if (len > 0)
1115         m_list_model->DeleteItems( items );
1116 }
1117
1118 void MyFrame::OnGoto(wxCommandEvent& WXUNUSED(event))
1119 {
1120     wxDataViewItem item = m_list_model->GetItem( 50 );
1121     m_ctrl[1]->EnsureVisible(item,m_col);
1122 }
1123
1124 void MyFrame::OnAddMany(wxCommandEvent& WXUNUSED(event))
1125 {
1126     m_list_model->AddMany();
1127 }
1128
1129 void MyFrame::OnHideAttributes(wxCommandEvent& WXUNUSED(event))
1130 {
1131     m_attributes->SetHidden(true);
1132 }
1133
1134 void MyFrame::OnShowAttributes(wxCommandEvent& WXUNUSED(event))
1135 {
1136     m_attributes->SetHidden(false);
1137 }
1138
1139 // ----------------------------------------------------------------------------
1140 // MyFrame - event handlers for the fourth page
1141 // ----------------------------------------------------------------------------
1142
1143 void MyFrame::OnDeleteTreeItem(wxCommandEvent& WXUNUSED(event))
1144 {
1145     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1146     wxDataViewItem selected = ctrl->GetSelection();
1147     if (!selected.IsOk())
1148         return;
1149
1150     ctrl->DeleteItem(selected);
1151 }
1152
1153 void MyFrame::OnDeleteAllTreeItems(wxCommandEvent& WXUNUSED(event))
1154 {
1155     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1156     ctrl->DeleteAllItems();
1157 }
1158
1159 void MyFrame::OnAddTreeItem(wxCommandEvent& WXUNUSED(event))
1160 {
1161     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1162     wxDataViewItem selected = ctrl->GetSelection();
1163     if (ctrl->IsContainer(selected)) {
1164         wxDataViewItem newitem = ctrl->AppendItem( selected, "Item", 0 );
1165         ctrl->Select(newitem);
1166         ctrl->StartEditor(newitem, 0);
1167     }
1168 }
1169
1170 void MyFrame::OnAddTreeContainerItem(wxCommandEvent& WXUNUSED(event))
1171 {
1172     wxDataViewTreeCtrl* ctrl = (wxDataViewTreeCtrl*) m_ctrl[3];
1173     wxDataViewItem selected = ctrl->GetSelection();
1174     if (ctrl->IsContainer(selected))
1175         ctrl->AppendContainer(selected, "Container", 0 );
1176 }
1177