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 method for wxLog
 201
 202     wxString GetTitle( const wxDataViewItem &item )
 203     {
 204         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 205         if (!node)
 206             return wxEmptyString;
 207
 208         return node->m_title;
 209     }
 210
 211     // helper methods to change the model
 212
 213     void AddToClassical( const wxString &title, const wxString &artist, int year )
 214     {
 215         // add to data
 216         MyMusicModelNode *child_node =
 217             new MyMusicModelNode( m_classical, title, artist, year );
 218
 219         m_classical->Append( child_node );
 220
 221         if (m_classicalMusicIsKnownToControl)
 222         {
 223             // notify control
 224             wxDataViewItem child( (void*) child_node );
 225             wxDataViewItem parent( (void*) m_classical );
 226             ItemAdded( parent, child );
 227         }
 228     }
 229
 230     void Delete( const wxDataViewItem &item )
 231     {
 232         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 233         wxDataViewItem parent( node->GetParent() );
 234
 235         node->GetParent()->GetChildren().Remove( node );
 236         delete node;
 237
 238         // notify control
 239         ItemDeleted( parent, item );
 240     }
 241
 242     // override sorting to always sort branches ascendingly
 243
 244     int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
 245                  unsigned int column, bool ascending )
 246     {
 247         if (IsContainer(item1) && IsContainer(item2))
 248         {
 249             wxVariant value1,value2;
 250             GetValue( value1, item1, 0 );
 251             GetValue( value2, item2, 0 );
 252
 253             wxString str1 = value1.GetString();
 254             wxString str2 = value2.GetString();
 255             int res = str1.Cmp( str2 );
 256             if (res) return res;
 257
 258             // items must be different
 259             unsigned long litem1 = (unsigned long) item1.GetID();
 260             unsigned long litem2 = (unsigned long) item2.GetID();
 261
 262             return litem1-litem2;
 263         }
 264
 265         return wxDataViewModel::Compare( item1, item2, column, ascending );
 266     }
 267
 268     // implementation of base class virtuals to define model
 269
 270     virtual unsigned int GetColumnCount() const
 271     {
 272         return 3;
 273     }
 274
 275     virtual wxString GetColumnType( unsigned int col ) const
 276     {
 277         if (col == 2)
 278             return "long";
 279
 280         return "string";
 281     }
 282
 283     virtual void GetValue( wxVariant &variant,
 284                            const wxDataViewItem &item, unsigned int col ) const
 285     {
 286         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 287         switch (col)
 288         {
 289             case 0: variant = node->m_title; break;
 290             case 1: variant = node->m_artist; break;
 291             case 2: variant = (long) node->m_year; break;
 292             default:
 293             {
 294                 wxLogError( "MyMusicModel::GetValue: wrong column" );
 295
 296                 // provoke a crash when mouse button down
 297                 wxMouseState state = wxGetMouseState();
 298                 if (state.ShiftDown())
 299                 {
 300                     char *crash = 0;
 301                     *crash = 0;
 302                 }
 303             }
 304         }
 305     }
 306
 307     virtual bool SetValue( const wxVariant &variant,
 308                            const wxDataViewItem &item, unsigned int col )
 309     {
 310         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 311         switch (col)
 312         {
 313             case 0: node->m_title = variant.GetString(); return true;
 314             case 1: node->m_artist  = variant.GetString(); return true;
 315             case 2: node->m_year  = variant.GetLong(); return true;
 316             default: wxLogError( "MyMusicModel::SetValue: wrong column" );
 317         }
 318         return false;
 319     }
 320
 321     virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const
 322     {
 323         // the invisble root node has no parent
 324         if (!item.IsOk())
 325             return wxDataViewItem(0);
 326
 327         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 328
 329         // "MyMusic" also has no parent
 330         if (node == m_root)
 331             return wxDataViewItem(0);
 332
 333         return wxDataViewItem( (void*) node->GetParent() );
 334     }
 335
 336     virtual bool IsContainer( const wxDataViewItem &item ) const
 337     {
 338         // the invisble root node can have children (in
 339         // our model always "MyMusic")
 340         if (!item.IsOk())
 341             return true;
 342
 343         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 344         return node->IsContainer();
 345     }
 346
 347     virtual unsigned int GetChildren( const wxDataViewItem &parent, wxDataViewItemArray &array ) const
 348     {
 349         MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
 350         if (!node)
 351         {
 352             array.Add( wxDataViewItem( (void*) m_root ) );
 353             return 1;
 354         }
 355
 356         if (node == m_classical)
 357         {
 358             MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
 359             model->m_classicalMusicIsKnownToControl = true;
 360         }
 361
 362         if (node->GetChildCount() == 0)
 363         {
 364             return 0;
 365         }
 366
 367         unsigned int count = node->GetChildren().GetCount();
 368         unsigned int pos;
 369         for (pos = 0; pos < count; pos++)
 370         {
 371             MyMusicModelNode *child = node->GetChildren().Item( pos );
 372             array.Add( wxDataViewItem( (void*) child ) );
 373         }
 374         return count;
 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         m_icon = wxIcon( null_xpm );
 399     }
 400
 401     // helper methods to change the model
 402
 403     void Prepend( const wxString &text )
 404     {
 405         m_array.Insert( text, 0 );
 406         RowPrepended();
 407     }
 408
 409     void DeleteItem( const wxDataViewItem &item )
 410     {
 411         unsigned int row = GetRow( item );
 412         m_array.RemoveAt( row );
 413         RowDeleted( row );
 414     }
 415
 416     // implementation of base class virtuals to define model
 417
 418     virtual unsigned int GetColumnCount() const
 419     {
 420         return 3;
 421     }
 422
 423     virtual wxString GetColumnType( unsigned int col ) const
 424     {
 425         if (col == 1)
 426             return "wxDataViewIconText";
 427
 428         return "string";
 429     }
 430
 431     virtual unsigned int GetRowCount()
 432     {
 433         return m_array.GetCount();
 434     }
 435
 436     virtual void GetValue( wxVariant &variant,
 437                            unsigned int row, unsigned int col ) const
 438     {
 439         if (col==0)
 440         {
 441             variant = m_array[ row ];
 442         } else
 443         if (col==1)
 444         {
 445             wxDataViewIconText data( "test", m_icon );
 446             variant << data;
 447         }
 448         else
 449         {
 450             wxString str;
 451             str.Printf( "row %d col %d", row, col );
 452             variant = str;
 453         }
 454     }
 455
 456     virtual bool SetValue( const wxVariant &variant,
 457                            unsigned int row, unsigned int col )
 458     {
 459         if (col == 0)
 460         {
 461             m_array[row] = variant.GetString();
 462             return true;
 463         }
 464
 465         return false;
 466     }
 467
 468     wxArrayString    m_array;
 469     wxIcon           m_icon;
 470 };
 471
 472 // -------------------------------------
 473 // MyApp
 474 // -------------------------------------
 475
 476 class MyApp: public wxApp
 477 {
 478 public:
 479     bool OnInit(void);
 480     int OnExit();
 481 };
 482
 483 // -------------------------------------
 484 // MyFrame
 485 // -------------------------------------
 486
 487 class MyFrame : public wxFrame
 488 {
 489 public:
 490     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
 491
 492 public:
 493     void OnQuit(wxCommandEvent& event);
 494     void OnAbout(wxCommandEvent& event);
 495
 496     void OnAddMozart(wxCommandEvent& event);
 497     void OnDeleteMusic(wxCommandEvent& event);
 498
 499     void OnPrependList(wxCommandEvent& event);
 500     void OnDeleteList(wxCommandEvent& event);
 501
 502     void OnValueChanged( wxDataViewEvent &event );
 503
 504     void OnActivated( wxDataViewEvent &event );
 505     void OnExpanding( wxDataViewEvent &event );
 506     void OnExpanded( wxDataViewEvent &event );
 507     void OnCollapsing( wxDataViewEvent &event );
 508     void OnCollapsed( wxDataViewEvent &event );
 509     void OnSelectionChanged( wxDataViewEvent &event );
 510
 511     void OnEditingStarted( wxDataViewEvent &event );
 512     void OnEditingDone( wxDataViewEvent &event );
 513
 514     void OnHeaderClick( wxDataViewEvent &event );
 515     void OnHeaderRightClick( wxDataViewEvent &event );
 516     void OnSorted( wxDataViewEvent &event );
 517
 518     void OnRightClick( wxMouseEvent &event );
 519     void OnGoto( wxCommandEvent &event);
 520
 521 private:
 522     wxDataViewCtrl* m_musicCtrl;
 523     wxObjectDataPtr<MyMusicModel> m_music_model;
 524
 525     wxDataViewCtrl* m_listCtrl;
 526     wxObjectDataPtr<MyListModel> m_list_model;
 527
 528     wxDataViewColumn * m_col;
 529
 530     wxTextCtrl    * m_log;
 531     wxLog *m_logOld;
 532
 533 private:
 534     DECLARE_EVENT_TABLE()
 535 };
 536
 537 // -------------------------------------
 538 // MyApp
 539 // -------------------------------------
 540
 541 IMPLEMENT_APP(MyApp)
 542
 543 bool MyApp::OnInit(void)
 544 {
 545     if ( !wxApp::OnInit() )
 546         return false;
 547
 548     // build the first frame
 549     MyFrame *frame =
 550         new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 40, 40, 800, 440);
 551     frame->Show(true);
 552
 553     SetTopWindow(frame);
 554     return true;
 555 }
 556
 557 int MyApp::OnExit()
 558 {
 559     return 0;
 560 }
 561
 562
 563 // -------------------------------------
 564 // MyFrame
 565 // -------------------------------------
 566
 567 enum
 568 {
 569     // file menu
 570     ID_ABOUT = wxID_ABOUT,
 571     ID_EXIT = wxID_EXIT,
 572
 573     ID_MUSIC_CTRL       = 50,
 574
 575     ID_ADD_MOZART       = 100,
 576     ID_DELETE_MUSIC     = 101,
 577
 578     ID_PREPEND_LIST     = 200,
 579     ID_DELETE_LIST      = 201,
 580     ID_GOTO             = 202
 581 };
 582
 583 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 584     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
 585     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 586     EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
 587     EVT_BUTTON( ID_DELETE_MUSIC, MyFrame::OnDeleteMusic )
 588     EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
 589     EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
 590     EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
 591
 592     EVT_DATAVIEW_ITEM_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 593
 594     EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
 595     EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
 596     EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
 597     EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
 598     EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
 599     EVT_DATAVIEW_SELECTION_CHANGED(ID_MUSIC_CTRL, MyFrame::OnSelectionChanged)
 600
 601     EVT_DATAVIEW_ITEM_EDITING_STARTED(ID_MUSIC_CTRL, MyFrame::OnEditingStarted)
 602     EVT_DATAVIEW_ITEM_EDITING_DONE(ID_MUSIC_CTRL, MyFrame::OnEditingDone)
 603
 604     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
 605     EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
 606     EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
 607
 608     EVT_RIGHT_UP(MyFrame::OnRightClick)
 609 END_EVENT_TABLE()
 610
 611 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
 612   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 613 {
 614     m_log = NULL;
 615     m_col = NULL;
 616
 617     SetIcon(wxICON(sample));
 618
 619     // build the menus:
 620
 621     wxMenu *file_menu = new wxMenu;
 622     file_menu->Append(ID_ABOUT, "&About");
 623     file_menu->AppendSeparator();
 624     file_menu->Append(ID_EXIT, "E&xit");
 625
 626     wxMenuBar *menu_bar = new wxMenuBar;
 627     menu_bar->Append(file_menu, "&File");
 628
 629     SetMenuBar(menu_bar);
 630     CreateStatusBar();
 631
 632     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
 633
 634     wxBoxSizer *data_sizer = new wxBoxSizer( wxHORIZONTAL );
 635
 636     // MyMusic
 637
 638     m_musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL, wxDefaultPosition,
 639                                     wxDefaultSize, wxDV_MULTIPLE );
 640
 641     m_music_model = new MyMusicModel;
 642     m_musicCtrl->AssociateModel( m_music_model.get() );
 643
 644     wxDataViewColumn *col = m_musicCtrl->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200,
 645                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
 646 #if 0
 647     // Call this and sorting is enabled
 648     // immediatly upon start up.
 649     col->SetSortOrder( true );
 650 #endif
 651
 652     m_musicCtrl->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 150,
 653                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
 654
 655     MySpinCtrlInPlaceRenderer *sr = new MySpinCtrlInPlaceRenderer;
 656     wxDataViewColumn *column = new wxDataViewColumn( "year", sr, 2, -1, wxALIGN_CENTRE, wxDATAVIEW_COL_SORTABLE );
 657     m_musicCtrl->AppendColumn( column );
 658
 659     data_sizer->Add( m_musicCtrl, 3, wxGROW );
 660
 661 #if 1
 662
 663     // MyList
 664
 665     m_listCtrl = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
 666                                      wxDefaultSize, wxDV_MULTIPLE );
 667
 668     m_list_model = new MyListModel;
 669     m_listCtrl->AssociateModel( m_list_model.get() );
 670
 671     m_listCtrl->AppendTextColumn( "editable string", 0, wxDATAVIEW_CELL_EDITABLE, 120 );
 672     m_listCtrl->AppendIconTextColumn( "icon", 1, wxDATAVIEW_CELL_INERT, 60 );
 673     m_listCtrl->AppendTextColumn( "index", 2, wxDATAVIEW_CELL_INERT, 120 );
 674
 675     data_sizer->Add( m_listCtrl, 2, wxGROW );
 676
 677 #endif
 678
 679     main_sizer->Add( data_sizer, 2, wxGROW );
 680
 681     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
 682
 683     button_sizer->Add( new wxButton( this, ID_ADD_MOZART, "Add Mozart"), 0, wxALL, 10 );
 684     button_sizer->Add( new wxButton( this, ID_DELETE_MUSIC, "Delete selected"), 0, wxALL, 10 );
 685     button_sizer->Add( 10, 10, 1 );
 686     button_sizer->Add( new wxButton( this, ID_PREPEND_LIST, "Prepend"), 0, wxALL, 10 );
 687     button_sizer->Add( new wxButton( this, ID_DELETE_LIST, "Delete selected"), 0, wxALL, 10 );
 688     button_sizer->Add( new wxButton( this, ID_GOTO, "Goto 50"), 0, wxALL, 10 );
 689
 690     main_sizer->Add( button_sizer, 0, wxGROW, 0 );
 691
 692     m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 693     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
 694     wxLogMessage("This is the log window");
 695
 696     main_sizer->Add( m_log, 1, wxGROW );
 697
 698     SetSizer( main_sizer );
 699 }
 700
 701 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 702 {
 703     Close(true);
 704 }
 705
 706 void MyFrame::OnAddMozart(wxCommandEvent& WXUNUSED(event) )
 707 {
 708     m_music_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", 1787 );
 709 }
 710
 711 void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) )
 712 {
 713     wxDataViewItemArray items;
 714     int len = m_musicCtrl->GetSelections( items );
 715     for( int i = 0; i < len; i ++ )
 716         if (items[i].IsOk())
 717             m_music_model->Delete( items[i] );
 718 }
 719
 720 void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
 721 {
 722     m_list_model->Prepend( "Test" );
 723 }
 724
 725 void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
 726 {
 727     wxDataViewItemArray items;
 728     int len = m_listCtrl->GetSelections( items );
 729     for( int i = 0; i < len; i ++ )
 730         if (items[i].IsOk())
 731             m_list_model->DeleteItem( items[i] );
 732 }
 733
 734 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 735 {
 736     if (!m_log)
 737         return;
 738
 739     wxLogMessage( "EVT_DATAVIEW_ITEM_VALUE_CHANGED, Item Id: %d;  Column: %d", event.GetItem().GetID(), event.GetColumn() );
 740 }
 741
 742 void MyFrame::OnActivated( wxDataViewEvent &event )
 743 {
 744     if(!m_log)
 745         return;
 746
 747     wxString title = m_music_model->GetTitle( event.GetItem() );
 748     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item: %s", title );
 749 }
 750
 751 void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 752 {
 753     if(!m_log)
 754         return;
 755
 756     wxString title = m_music_model->GetTitle( event.GetItem() );
 757     if (title.empty())
 758         title = "None";
 759
 760     wxLogMessage("wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, First selected Item: %s", title );
 761 }
 762
 763 void MyFrame::OnExpanding( wxDataViewEvent &event )
 764 {
 765     if (!m_log)
 766         return;
 767
 768     wxString title = m_music_model->GetTitle( event.GetItem() );
 769     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item: %s", title );
 770 }
 771
 772
 773 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
 774 {
 775     if (!m_log)
 776         return;
 777
 778     wxString title = m_music_model->GetTitle( event.GetItem() );
 779     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item: %s", title );
 780 }
 781
 782 void MyFrame::OnEditingDone( wxDataViewEvent &event )
 783 {
 784     if (!m_log)
 785         return;
 786
 787     wxString title = m_music_model->GetTitle( event.GetItem() );
 788     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item: %s", title );
 789 }
 790
 791 void MyFrame::OnExpanded( wxDataViewEvent &event )
 792 {
 793     if (!m_log)
 794         return;
 795
 796     wxString title = m_music_model->GetTitle( event.GetItem() );
 797     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item: %s", title );
 798 }
 799
 800 void MyFrame::OnCollapsing( wxDataViewEvent &event )
 801 {
 802     if (!m_log)
 803         return;
 804
 805     wxString title = m_music_model->GetTitle( event.GetItem() );
 806     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item: %s", title );
 807 }
 808
 809 void MyFrame::OnCollapsed( wxDataViewEvent &event )
 810 {
 811     if (!m_log)
 812         return;
 813
 814     wxString title = m_music_model->GetTitle( event.GetItem() );
 815     wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item: %s", title );
 816 }
 817
 818 void MyFrame::OnHeaderClick( wxDataViewEvent &event )
 819 {
 820     if(!m_log)
 821         return;
 822
 823     int pos = m_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
 824
 825     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d", pos );
 826 }
 827
 828 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
 829 {
 830     if(!m_log)
 831         return;
 832
 833     int pos = m_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
 834
 835     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column position: %d", pos );
 836 }
 837
 838 void MyFrame::OnSorted( wxDataViewEvent &event )
 839 {
 840     if(!m_log)
 841         return;
 842
 843     int pos = m_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
 844
 845     wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column position: %d", pos );
 846 }
 847
 848 void MyFrame::OnRightClick( wxMouseEvent &event )
 849 {
 850     if(!m_log)
 851         return;
 852
 853     wxLogMessage("wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d", event.GetX(), event.GetY());
 854 }
 855
 856 void MyFrame::OnGoto( wxCommandEvent &event)
 857 {
 858     wxDataViewItem item = m_list_model->GetItem( 50 );
 859     m_listCtrl->EnsureVisible(item,m_col);
 860 }
 861
 862 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 863 {
 864     wxAboutDialogInfo info;
 865     info.SetName(_("DataView sample"));
 866     info.SetDescription(_("This sample demonstrates the dataview control handling"));
 867     info.SetCopyright(_T("(C) 2007 Robert Roebling"));
 868
 869     wxAboutBox(info);
 870 }
 871