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