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 license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/datetime.h"
  24 #include "wx/splitter.h"
  25 #include "wx/aboutdlg.h"
  26 #include "wx/choicdlg.h"
  27 #include "wx/numdlg.h"
  28 #include "wx/dataview.h"
  29 #include "wx/spinctrl.h"
  30
  31 #ifndef __WXMSW__
  32     #include "../sample.xpm"
  33 #endif
  34
  35 #include "null.xpm"
  36
  37
  38 #define DEFAULT_ALIGN                   wxALIGN_LEFT
  39 #define DATAVIEW_DEFAULT_STYLE          (wxDV_MULTIPLE|wxDV_HORIZ_RULES|wxDV_VERT_RULES)
  40
  41
  42 // -------------------------------------
  43 // MySpinCtrlInPlaceRenderer
  44 // -------------------------------------
  45
  46 class MySpinCtrlInPlaceRenderer: public wxDataViewCustomRenderer
  47 {
  48 public:
  49     MySpinCtrlInPlaceRenderer() :
  50         wxDataViewCustomRenderer( wxT("long"), wxDATAVIEW_CELL_EDITABLE ) { }
  51
  52
  53     virtual bool HasEditorCtrl()
  54         {
  55             return true;
  56         }
  57     virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
  58         {
  59             long l = value;
  60             return new wxSpinCtrl( parent, wxID_ANY, wxEmptyString,
  61                     labelRect.GetTopLeft(), labelRect.GetSize(), -0, -1, 2010, l );
  62         }
  63     virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
  64         {
  65             wxSpinCtrl *sc = (wxSpinCtrl*) editor;
  66             long l = sc->GetValue();
  67             value = l;
  68             return true;
  69         }
  70
  71     bool Render( wxRect rect, wxDC *dc, int WXUNUSED(state) )
  72     {
  73         wxString str;
  74         str.Printf( wxT("%d"), (int) m_data );
  75         dc->SetTextForeground( *wxBLACK );
  76         dc->DrawText( str, rect.x, rect.y );
  77         return true;
  78     }
  79     wxSize GetSize() const
  80     {
  81         return wxSize(80,16);
  82     }
  83     bool SetValue( const wxVariant &value )
  84     {
  85         m_data = value.GetLong();
  86         return true;
  87     }
  88     bool GetValue( wxVariant &value ) const
  89     {
  90         value = m_data;
  91         return true;
  92     }
  93
  94 private:
  95     long    m_data;
  96 };
  97
  98
  99
 100 // -------------------------------------
 101 // MyMusicModel
 102 // -------------------------------------
 103
 104 /*
 105 Implement this data model
 106             Title               Artist               Year
 107 -------------------------------------------------------------
 108 1: My Music:
 109     2:  Pop music
 110         3:  You are not alone   Michael Jackson      1995
 111         4:  Take a bow          Madonna              1994
 112     5:  Classical music
 113         6:  Ninth Symphony      Ludwig v. Beethoven  1824
 114         7:  German Requiem      Johannes Brahms      1868
 115 */
 116
 117
 118
 119 class MyMusicModelNode;
 120 WX_DEFINE_ARRAY_PTR( MyMusicModelNode*, MyMusicModelNodes );
 121
 122 class MyMusicModelNode
 123 {
 124 public:
 125     MyMusicModelNode( MyMusicModelNode* parent,
 126                       const wxString &title, const wxString &artist, int year )
 127     {
 128         m_parent = parent;
 129         m_title = title;
 130         m_artist = artist;
 131         m_year = year;
 132         m_isContainer = false;
 133     }
 134
 135     MyMusicModelNode( MyMusicModelNode* parent,
 136                       const wxString &branch )
 137     {
 138         m_parent = parent;
 139         m_title = branch;
 140         m_year = -1;
 141         m_isContainer = true;
 142     }
 143
 144     ~MyMusicModelNode()
 145     {
 146         size_t count = m_children.GetCount();
 147         size_t i;
 148         for (i = 0; i < count; i++)
 149         {
 150             MyMusicModelNode *child = m_children[i];
 151             delete child;
 152         }
 153     }
 154
 155     bool IsContainer()                                    { return m_isContainer; }
 156
 157     MyMusicModelNode* GetParent()                         { return m_parent; }
 158     MyMusicModelNodes &GetChildren()                      { return m_children; }
 159     MyMusicModelNode* GetNthChild( unsigned int n )       { return m_children.Item( n ); }
 160     void Insert( MyMusicModelNode* child, unsigned int n) { m_children.Insert( child, n); }
 161     void Append( MyMusicModelNode* child )                { m_children.Add( child ); }
 162     unsigned int GetChildCount()                          { return m_children.GetCount(); }
 163
 164 public:
 165     wxString            m_title;
 166     wxString            m_artist;
 167     int                 m_year;
 168
 169 private:
 170     MyMusicModelNode   *m_parent;
 171     MyMusicModelNodes   m_children;
 172     bool                m_isContainer;
 173 };
 174
 175
 176 class MyMusicModel: public wxDataViewModel
 177 {
 178 public:
 179
 180     // constructor
 181
 182     MyMusicModel()
 183     {
 184         m_root = new MyMusicModelNode( NULL, "My Music" );
 185         m_pop = new MyMusicModelNode( m_root, "Pop music" );
 186         m_root->Append( m_pop );
 187         m_pop->Append( new MyMusicModelNode( m_pop,
 188             "You are not alone", "Michael Jackson", 1995 ) );
 189         m_pop->Append( new MyMusicModelNode( m_pop,
 190             "Take a bow", "Madonna", 1994 ) );
 191         m_classical = new MyMusicModelNode( m_root, "Classical music" );
 192         m_root->Append( m_classical );
 193         m_classical->Append( new MyMusicModelNode( m_classical,
 194             "Ninth symphony", "Ludwig van Beethoven", 1824 ) );
 195         m_classical->Append( new MyMusicModelNode( m_classical,
 196             "German Requiem", "Johannes Brahms", 1868 ) );
 197         m_classicalMusicIsKnownToControl = false;
 198     }
 199
 200     // helper methods to change the model
 201
 202     void AddToClassical( const wxString &title, const wxString &artist, int year )
 203     {
 204         // add to data
 205         MyMusicModelNode *child_node =
 206             new MyMusicModelNode( m_classical, title, artist, year );
 207
 208         m_classical->Append( child_node );
 209
 210         if (m_classicalMusicIsKnownToControl)
 211         {
 212             // notify control
 213             wxDataViewItem child( (void*) child_node );
 214             wxDataViewItem parent( (void*) m_classical );
 215             ItemAdded( parent, child );
 216         }
 217     }
 218
 219     void Delete( const wxDataViewItem &item )
 220     {
 221         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 222         wxDataViewItem parent( node->GetParent() );
 223
 224         node->GetParent()->GetChildren().Remove( node );
 225         delete node;
 226
 227         // notify control
 228         ItemDeleted( parent, item );
 229     }
 230
 231     // override sorting to always sort branches ascendingly
 232
 233     int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
 234                  unsigned int column, bool ascending )
 235     {
 236         if (IsContainer(item1) && IsContainer(item2))
 237         {
 238             wxVariant value1,value2;
 239             GetValue( value1, item1, 0 );
 240             GetValue( value2, item2, 0 );
 241
 242             wxString str1 = value1.GetString();
 243             wxString str2 = value2.GetString();
 244             int res = str1.Cmp( str2 );
 245             if (res) return res;
 246
 247             // items must be different
 248             unsigned long litem1 = (unsigned long) item1.GetID();
 249             unsigned long litem2 = (unsigned long) item2.GetID();
 250
 251             return litem1-litem2;
 252         }
 253
 254         return wxDataViewModel::Compare( item1, item2, column, ascending );
 255     }
 256
 257     // implementation of base class virtuals to define model
 258
 259     virtual unsigned int GetColumnCount() const
 260     {
 261         return 3;
 262     }
 263
 264     virtual wxString GetColumnType( unsigned int col ) const
 265     {
 266         if (col == 2)
 267             return "long";
 268
 269         return "string";
 270     }
 271
 272     virtual void GetValue( wxVariant &variant,
 273                            const wxDataViewItem &item, unsigned int col ) const
 274     {
 275         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 276         switch (col)
 277         {
 278             case 0: variant = node->m_title; break;
 279             case 1: variant = node->m_artist; break;
 280             case 2: variant = (long) node->m_year; break;
 281             default:
 282             {
 283                 wxLogError( "MyMusicModel::GetValue: wrong column" );
 284
 285                 // provoke a crash when mouse button down
 286                 wxMouseState state = wxGetMouseState();
 287                 if (state.ShiftDown())
 288                 {
 289                     char *crash = 0;
 290                     *crash = 0;
 291                 }
 292             }
 293         }
 294     }
 295
 296     virtual bool SetValue( const wxVariant &variant,
 297                            const wxDataViewItem &item, unsigned int col )
 298     {
 299         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 300         switch (col)
 301         {
 302             case 0: node->m_title = variant.GetString(); break;
 303             case 1: node->m_artist  = variant.GetString(); break;
 304             case 2: node->m_year  = variant.GetLong(); break;
 305             default: wxLogError( "MyMusicModel::SetValue: wrong column" );
 306         }
 307     }
 308
 309     virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const
 310     {
 311         // the invisble root node has no parent
 312         if (!item.IsOk())
 313             return wxDataViewItem(0);
 314
 315         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 316
 317         // "MyMusic" also has no parent
 318         if (node == m_root)
 319             return wxDataViewItem(0);
 320
 321         return wxDataViewItem( (void*) node->GetParent() );
 322     }
 323
 324     virtual bool IsContainer( const wxDataViewItem &item ) const
 325     {
 326         // the invisble root node can have children (in
 327         // our model always "MyMusic")
 328         if (!item.IsOk())
 329             return true;
 330
 331         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 332         return node->IsContainer();
 333     }
 334
 335     virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
 336     {
 337         MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
 338         if (!node)
 339             return wxDataViewItem( (void*) m_root );
 340
 341         if (node->GetChildCount() == 0)
 342             return wxDataViewItem( 0 );
 343
 344         if (node == m_classical)
 345         {
 346             MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
 347             model->m_classicalMusicIsKnownToControl = true;
 348         }
 349
 350         MyMusicModelNode *first_child = node->GetChildren().Item( 0 );
 351         return wxDataViewItem( (void*) first_child );
 352     }
 353
 354     virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
 355     {
 356         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 357
 358         // "MyMusic" has no siblings in our model
 359         if (node == m_root)
 360             return wxDataViewItem(0);
 361
 362         MyMusicModelNode *parent = node->GetParent();
 363         int pos = parent->GetChildren().Index( node );
 364
 365         // Something went wrong
 366         if (pos == wxNOT_FOUND)
 367             return wxDataViewItem(0);
 368
 369         // No more children
 370         if (pos == parent->GetChildCount()-1)
 371             return wxDataViewItem(0);
 372
 373         node = parent->GetChildren().Item( pos+1 );
 374         return wxDataViewItem( (void*) node );
 375     }
 376
 377 private:
 378     MyMusicModelNode*   m_root;
 379     MyMusicModelNode*   m_pop;
 380     MyMusicModelNode*   m_classical;
 381     bool                m_classicalMusicIsKnownToControl;
 382 };
 383
 384 class MyListModel: public wxDataViewIndexListModel
 385 {
 386 public:
 387     MyListModel() :
 388         wxDataViewIndexListModel( 100 )
 389     {
 390         unsigned int i;
 391         for (i = 0; i < 100; i++)
 392         {
 393             wxString str;
 394             str.Printf( "row number %d", i );
 395             m_array.Add( str );
 396         }
 397     }
 398
 399     // helper methods to change the model
 400
 401     void Prepend( const wxString &text )
 402     {
 403         m_array.Insert( text, 0 );
 404         RowPrepended();
 405     }
 406
 407     void DeleteItem( const wxDataViewItem &item )
 408     {
 409         unsigned int row = GetRow( item );
 410         m_array.RemoveAt( row );
 411         RowDeleted( row );
 412     }
 413
 414     // implementation of base class virtuals to define model
 415
 416     virtual unsigned int GetColumnCount() const
 417     {
 418         return 2;
 419     }
 420
 421     virtual wxString GetColumnType( unsigned int col ) const
 422     {
 423         return "string";
 424     }
 425
 426     virtual unsigned int GetRowCount()
 427     {
 428         return m_array.GetCount();
 429     }
 430
 431     virtual void GetValue( wxVariant &variant,
 432                            unsigned int row, unsigned int col ) const
 433     {
 434         if (col==0)
 435         {
 436             variant = m_array[ row ];
 437         }
 438         else
 439         {
 440             wxString str;
 441             str.Printf( "row %d col %d", row, col );
 442             variant = str;
 443         }
 444     }
 445
 446     virtual bool SetValue( const wxVariant &variant,
 447                            unsigned int row, unsigned int col )
 448     {
 449         if (col == 0)
 450         {
 451             m_array[row] = variant.GetString();
 452             return true;
 453         }
 454
 455         return false;
 456     }
 457
 458     wxArrayString    m_array;
 459 };
 460
 461 // -------------------------------------
 462 // MyApp
 463 // -------------------------------------
 464
 465 class MyApp: public wxApp
 466 {
 467 public:
 468     bool OnInit(void);
 469     int OnExit();
 470 };
 471
 472 // -------------------------------------
 473 // MyFrame
 474 // -------------------------------------
 475
 476 class MyFrame : public wxFrame
 477 {
 478 public:
 479     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
 480
 481 public:
 482     void OnQuit(wxCommandEvent& event);
 483     void OnAbout(wxCommandEvent& event);
 484
 485     void OnAddMozart(wxCommandEvent& event);
 486     void OnDeleteMusic(wxCommandEvent& event);
 487
 488     void OnPrependList(wxCommandEvent& event);
 489     void OnDeleteList(wxCommandEvent& event);
 490
 491     void OnValueChanged( wxDataViewEvent &event );
 492     void OnItemAdded( wxDataViewEvent &event );
 493     void OnItemDeleted( wxDataViewEvent &event );
 494
 495     void OnActivated( wxDataViewEvent &event );
 496     void OnExpanding( wxDataViewEvent &event );
 497     void OnExpanded( wxDataViewEvent &event );
 498     void OnCollapsing( wxDataViewEvent &event );
 499     void OnCollapsed( wxDataViewEvent &event );
 500     void OnSelected( wxDataViewEvent &event );
 501
 502     void OnEditingStarted( wxDataViewEvent &event );
 503     void OnEditingDone( wxDataViewEvent &event );
 504
 505     void OnHeaderClick( wxDataViewEvent &event );
 506     void OnHeaderRightClick( wxDataViewEvent &event );
 507     void OnSorted( wxDataViewEvent &event );
 508
 509     void OnRightClick( wxMouseEvent &event );
 510     void OnGoto( wxCommandEvent &event);
 511
 512 private:
 513     wxDataViewCtrl* m_musicCtrl;
 514     wxObjectDataPtr<MyMusicModel> m_music_model;
 515
 516     wxDataViewCtrl* m_listCtrl;
 517     wxObjectDataPtr<MyListModel> m_list_model;
 518
 519     wxDataViewColumn * m_col;
 520
 521     wxTextCtrl    * m_log;
 522     wxLog *m_logOld;
 523
 524 private:
 525     DECLARE_EVENT_TABLE()
 526 };
 527
 528 // -------------------------------------
 529 // MyApp
 530 // -------------------------------------
 531
 532 IMPLEMENT_APP(MyApp)
 533
 534 bool MyApp::OnInit(void)
 535 {
 536     if ( !wxApp::OnInit() )
 537         return false;
 538
 539     // build the first frame
 540     MyFrame *frame =
 541         new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 40, 40, 800, 440);
 542     frame->Show(true);
 543
 544     SetTopWindow(frame);
 545     return true;
 546 }
 547
 548 int MyApp::OnExit()
 549 {
 550     return 0;
 551 }
 552
 553
 554 // -------------------------------------
 555 // MyFrame
 556 // -------------------------------------
 557
 558 enum
 559 {
 560     // file menu
 561     ID_ABOUT = wxID_ABOUT,
 562     ID_EXIT = wxID_EXIT,
 563
 564     ID_MUSIC_CTRL       = 50,
 565
 566     ID_ADD_MOZART       = 100,
 567     ID_DELETE_MUSIC     = 101,
 568
 569     ID_PREPEND_LIST     = 200,
 570     ID_DELETE_LIST      = 201,
 571     ID_GOTO             = 202
 572 };
 573
 574 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 575     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
 576     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 577     EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
 578     EVT_BUTTON( ID_DELETE_MUSIC, MyFrame::OnDeleteMusic )
 579     EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
 580     EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
 581     EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
 582
 583     EVT_DATAVIEW_MODEL_ITEM_ADDED( ID_MUSIC_CTRL, MyFrame::OnItemAdded )
 584     EVT_DATAVIEW_MODEL_ITEM_DELETED( ID_MUSIC_CTRL, MyFrame::OnItemDeleted )
 585     EVT_DATAVIEW_MODEL_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 586     EVT_DATAVIEW_MODEL_ITEM_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 587
 588     EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
 589     EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
 590     EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
 591     EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
 592     EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
 593     EVT_DATAVIEW_ITEM_SELECTED(ID_MUSIC_CTRL, MyFrame::OnSelected)
 594
 595     EVT_DATAVIEW_ITEM_EDITING_STARTED(ID_MUSIC_CTRL, MyFrame::OnEditingStarted)
 596     EVT_DATAVIEW_ITEM_EDITING_DONE(ID_MUSIC_CTRL, MyFrame::OnEditingDone)
 597
 598
 599     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
 600     EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
 601     EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
 602
 603     EVT_RIGHT_UP(MyFrame::OnRightClick)
 604 END_EVENT_TABLE()
 605
 606 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
 607   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 608 {
 609     m_log = NULL;
 610     m_col = NULL;
 611
 612     SetIcon(wxICON(sample));
 613
 614     // build the menus:
 615
 616     wxMenu *file_menu = new wxMenu;
 617     file_menu->Append(ID_ABOUT, "&About");
 618     file_menu->AppendSeparator();
 619     file_menu->Append(ID_EXIT, "E&xit");
 620
 621     wxMenuBar *menu_bar = new wxMenuBar;
 622     menu_bar->Append(file_menu, "&File");
 623
 624     SetMenuBar(menu_bar);
 625     CreateStatusBar();
 626
 627     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
 628
 629     wxBoxSizer *data_sizer = new wxBoxSizer( wxHORIZONTAL );
 630
 631     // MyMusic
 632
 633     m_musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL, wxDefaultPosition,
 634                                     wxDefaultSize, wxDV_MULTIPLE );
 635
 636     m_music_model = new MyMusicModel;
 637     m_musicCtrl->AssociateModel( m_music_model.get() );
 638
 639     wxDataViewColumn *col = m_musicCtrl->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200,
 640                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
 641 #if 0
 642     // Call this and sorting is enabled
 643     // immediatly upon start up.
 644     col->SetSortOrder( true );
 645 #endif
 646
 647     m_musicCtrl->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 150,
 648                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
 649
 650     MySpinCtrlInPlaceRenderer *sr = new MySpinCtrlInPlaceRenderer;
 651     wxDataViewColumn *column = new wxDataViewColumn( "year", sr, 2, -1, wxALIGN_CENTRE, wxDATAVIEW_COL_SORTABLE );
 652     m_musicCtrl->AppendColumn( column );
 653
 654     data_sizer->Add( m_musicCtrl, 3, wxGROW );
 655
 656 #if 1
 657
 658     // MyList
 659
 660     m_listCtrl = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
 661                                      wxDefaultSize, wxDV_MULTIPLE );
 662
 663     m_list_model = new MyListModel;
 664     m_listCtrl->AssociateModel( m_list_model.get() );
 665
 666     m_listCtrl->AppendTextColumn( "editable string", 0, wxDATAVIEW_CELL_EDITABLE, 120 );
 667     m_col = m_listCtrl->AppendTextColumn( "index", 1, wxDATAVIEW_CELL_INERT, 120 );
 668
 669     data_sizer->Add( m_listCtrl, 2, wxGROW );
 670
 671 #endif
 672
 673     main_sizer->Add( data_sizer, 2, wxGROW );
 674
 675     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
 676
 677     button_sizer->Add( new wxButton( this, ID_ADD_MOZART, "Add Mozart"), 0, wxALL, 10 );
 678     button_sizer->Add( new wxButton( this, ID_DELETE_MUSIC, "Delete selected"), 0, wxALL, 10 );
 679     button_sizer->Add( 10, 10, 1 );
 680     button_sizer->Add( new wxButton( this, ID_PREPEND_LIST, "Prepend"), 0, wxALL, 10 );
 681     button_sizer->Add( new wxButton( this, ID_DELETE_LIST, "Delete selected"), 0, wxALL, 10 );
 682     button_sizer->Add( new wxButton( this, ID_GOTO, "Goto 50"), 0, wxALL, 10 );
 683
 684     main_sizer->Add( button_sizer, 0, wxGROW, 0 );
 685
 686     m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 687     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
 688     wxLogMessage("This is the log window");
 689
 690     main_sizer->Add( m_log, 1, wxGROW );
 691
 692     SetSizer( main_sizer );
 693 }
 694
 695 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 696 {
 697     Close(true);
 698 }
 699
 700 void MyFrame::OnAddMozart(wxCommandEvent& WXUNUSED(event) )
 701 {
 702     m_music_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", 1787 );
 703 }
 704
 705 void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) )
 706 {
 707     wxDataViewItemArray items;
 708     int len = m_musicCtrl->GetSelections( items );
 709     for( int i = 0; i < len; i ++ )
 710         if (items[i].IsOk())
 711             m_music_model->Delete( items[i] );
 712 }
 713
 714 void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
 715 {
 716     m_list_model->Prepend( "Test" );
 717 }
 718
 719 void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
 720 {
 721     wxDataViewItemArray items;
 722     int len = m_listCtrl->GetSelections( items );
 723     for( int i = 0; i < len; i ++ )
 724         if (items[i].IsOk())
 725             m_list_model->DeleteItem( items[i] );
 726 }
 727
 728 void MyFrame::OnItemAdded( wxDataViewEvent &event )
 729 {
 730     if (!m_log)
 731         return;
 732
 733     wxLogMessage("wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, Item Id: %d",event.GetItem().GetID());
 734 }
 735
 736 void MyFrame::OnItemDeleted( wxDataViewEvent &event )
 737 {
 738     if (!m_log)
 739         return;
 740
 741     wxLogMessage( "EVT_DATAVIEW_MODEL_ITEM_DELETED, Item Id: %d", event.GetItem().GetID() );
 742 }
 743
 744 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 745 {
 746     if (!m_log)
 747         return;
 748
 749     wxLogMessage( "EVT_DATAVIEW_MODEL_VALUE_CHANGED, Item Id: %d;  Column: %d", event.GetItem().GetID(), event.GetColumn() );
 750 }
 751
 752 void MyFrame::OnActivated( wxDataViewEvent &event )
 753 {
 754     if(!m_log)
 755         return;
 756
 757     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item Id: %d;  Column: %d", event.GetItem().GetID(), event.GetColumn());
 758 }
 759
 760 void MyFrame::OnSelected( wxDataViewEvent &event )
 761 {
 762     if(!m_log)
 763         return;
 764
 765     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED, Item Id: %d", event.GetItem().GetID() );
 766 }
 767
 768 void MyFrame::OnExpanding( wxDataViewEvent &event )
 769 {
 770     if (!m_log)
 771         return;
 772
 773     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item Id: %d", event.GetItem().GetID() );
 774 }
 775
 776
 777 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
 778 {
 779     if (!m_log)
 780         return;
 781
 782     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item Id: %d", event.GetItem().GetID() );
 783 }
 784
 785 void MyFrame::OnEditingDone( wxDataViewEvent &event )
 786 {
 787     if (!m_log)
 788         return;
 789
 790     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item Id: %d", event.GetItem().GetID() );
 791 }
 792
 793 void MyFrame::OnExpanded( wxDataViewEvent &event )
 794 {
 795     if (!m_log)
 796         return;
 797
 798     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item Id: %d", event.GetItem().GetID() );
 799 }
 800
 801 void MyFrame::OnCollapsing( wxDataViewEvent &event )
 802 {
 803     if (!m_log)
 804         return;
 805
 806     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item Id: %d", event.GetItem().GetID() );
 807 }
 808
 809 void MyFrame::OnCollapsed( wxDataViewEvent &event )
 810 {
 811     if (!m_log)
 812         return;
 813
 814     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item Id: %d", event.GetItem().GetID() );
 815 }
 816
 817 void MyFrame::OnHeaderClick( wxDataViewEvent &event )
 818 {
 819     if(!m_log)
 820         return;
 821
 822     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column: %d", event.GetColumn());
 823 }
 824
 825 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
 826 {
 827     if(!m_log)
 828         return;
 829
 830     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column: %d", event.GetColumn());
 831 }
 832
 833 void MyFrame::OnSorted( wxDataViewEvent &event )
 834 {
 835     if(!m_log)
 836         return;
 837
 838     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column: %d", event.GetColumn());
 839 }
 840
 841 void MyFrame::OnRightClick( wxMouseEvent &event )
 842 {
 843     if(!m_log)
 844         return;
 845
 846     wxLogMessage("wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d", event.GetX(), event.GetY());
 847 }
 848
 849 void MyFrame::OnGoto( wxCommandEvent &event)
 850 {
 851     wxDataViewItem item = m_list_model->GetItem( 50 );
 852     m_listCtrl->EnsureVisible(item,m_col);
 853 }
 854
 855 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 856 {
 857     wxAboutDialogInfo info;
 858     info.SetName(_("DataView sample"));
 859     info.SetDescription(_("This sample demonstrates the dataview control handling"));
 860     info.SetCopyright(_T("(C) 2007 Robert Roebling"));
 861
 862     wxAboutBox(info);
 863 }
 864