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 #include "wx/menu.h"
  31
  32 #ifndef __WXMSW__
  33     #include "../sample.xpm"
  34 #endif
  35
  36 #include "null.xpm"
  37
  38 /* XPM */
  39 static const char *small1_xpm[] = {
  40 /* columns rows colors chars-per-pixel */
  41 "16 16 6 1",
  42 ". c Black",
  43 "o c #FFFFFF",
  44 "X c #000080",
  45 "O c #FFFF00",
  46 "  c None",
  47 "+ c #FF0000",
  48 /* pixels */
  49 "                ",
  50 "                ",
  51 "                ",
  52 "    .......     ",
  53 "    .XXXXX.     ",
  54 "    .oXXXX.     ",
  55 "    .oXXX.......",
  56 ".....oXXX.OOOOO.",
  57 ".+++.XXXX.oOOOO.",
  58 ".o++......oOOOO.",
  59 ".o++++.  .oOOOO.",
  60 ".o++++.  .OOOOO.",
  61 ".+++++.  .......",
  62 ".......         ",
  63 "                ",
  64 "                "
  65 };
  66
  67
  68 #define DEFAULT_ALIGN                   wxALIGN_LEFT
  69 #define DATAVIEW_DEFAULT_STYLE          (wxDV_MULTIPLE|wxDV_HORIZ_RULES|wxDV_VERT_RULES)
  70
  71 // -------------------------------------
  72 // MyMusicModel
  73 // -------------------------------------
  74
  75 /*
  76 Implement this data model
  77             Title               Artist               Year
  78 -------------------------------------------------------------
  79 1: My Music:
  80     2:  Pop music
  81         3:  You are not alone   Michael Jackson      1995
  82         4:  Take a bow          Madonna              1994
  83     5:  Classical music
  84         6:  Ninth Symphony      Ludwig v. Beethoven  1824
  85         7:  German Requiem      Johannes Brahms      1868
  86 */
  87
  88
  89
  90 class MyMusicModelNode;
  91 WX_DEFINE_ARRAY_PTR( MyMusicModelNode*, MyMusicModelNodes );
  92
  93 class MyMusicModelNode
  94 {
  95 public:
  96     MyMusicModelNode( MyMusicModelNode* parent,
  97                       const wxString &title, const wxString &artist, int year )
  98     {
  99         m_parent = parent;
 100         m_title = title;
 101         m_artist = artist;
 102         m_year = year;
 103         m_isContainer = false;
 104     }
 105
 106     MyMusicModelNode( MyMusicModelNode* parent,
 107                       const wxString &branch )
 108     {
 109         m_parent = parent;
 110         m_title = branch;
 111         m_year = -1;
 112         m_isContainer = true;
 113     }
 114
 115     ~MyMusicModelNode()
 116     {
 117         size_t count = m_children.GetCount();
 118         size_t i;
 119         for (i = 0; i < count; i++)
 120         {
 121             MyMusicModelNode *child = m_children[i];
 122             delete child;
 123         }
 124     }
 125
 126     bool IsContainer()                                    { return m_isContainer; }
 127
 128     MyMusicModelNode* GetParent()                         { return m_parent; }
 129     MyMusicModelNodes &GetChildren()                      { return m_children; }
 130     MyMusicModelNode* GetNthChild( unsigned int n )       { return m_children.Item( n ); }
 131     void Insert( MyMusicModelNode* child, unsigned int n) { m_children.Insert( child, n); }
 132     void Append( MyMusicModelNode* child )                { m_children.Add( child ); }
 133     unsigned int GetChildCount()                          { return m_children.GetCount(); }
 134
 135 public:
 136     wxString            m_title;
 137     wxString            m_artist;
 138     int                 m_year;
 139
 140 private:
 141     MyMusicModelNode   *m_parent;
 142     MyMusicModelNodes   m_children;
 143     bool                m_isContainer;
 144 };
 145
 146
 147 class MyMusicModel: public wxDataViewModel
 148 {
 149 public:
 150
 151     // constructor
 152
 153     MyMusicModel()
 154     {
 155         m_root = new MyMusicModelNode( NULL, wxT("My Music" ));
 156         m_pop = new MyMusicModelNode( m_root, wxT("Pop music") );
 157         m_root->Append( m_pop );
 158         m_pop->Append( new MyMusicModelNode( m_pop,
 159             wxT("You are not alone"), wxT("Michael Jackson"), 1995 ) );
 160         m_pop->Append( new MyMusicModelNode( m_pop,
 161             wxT("Take a bow"), wxT("Madonna"), 1994 ) );
 162         m_classical = new MyMusicModelNode( m_root, wxT("Classical music") );
 163         m_root->Append( m_classical );
 164         m_classical->Append( new MyMusicModelNode( m_classical,
 165             wxT("Ninth symphony"), wxT("Ludwig van Beethoven"), 1824 ) );
 166         m_classical->Append( new MyMusicModelNode( m_classical,
 167             wxT("German Requiem"), wxT("Johannes Brahms"), 1868 ) );
 168         m_classicalMusicIsKnownToControl = false;
 169     }
 170
 171     ~MyMusicModel()
 172     {
 173         delete m_root;
 174     }
 175
 176     // helper method for wxLog
 177
 178     wxString GetTitle( const wxDataViewItem &item )
 179     {
 180         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 181         if (!node)
 182             return wxEmptyString;
 183
 184         return node->m_title;
 185     }
 186
 187     // helper methods to change the model
 188
 189     void AddToClassical( const wxString &title, const wxString &artist, int year )
 190     {
 191         // add to data
 192         MyMusicModelNode *child_node =
 193             new MyMusicModelNode( m_classical, title, artist, year );
 194
 195         m_classical->Append( child_node );
 196
 197         if (m_classicalMusicIsKnownToControl)
 198         {
 199             // notify control
 200             wxDataViewItem child( (void*) child_node );
 201             wxDataViewItem parent( (void*) m_classical );
 202             ItemAdded( parent, child );
 203         }
 204     }
 205
 206     void Delete( const wxDataViewItem &item )
 207     {
 208         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 209         wxDataViewItem parent( node->GetParent() );
 210
 211         node->GetParent()->GetChildren().Remove( node );
 212         delete node;
 213
 214         // notify control
 215         ItemDeleted( parent, item );
 216     }
 217
 218     // override sorting to always sort branches ascendingly
 219
 220     int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
 221                  unsigned int column, bool ascending )
 222     {
 223         if (IsContainer(item1) && IsContainer(item2))
 224         {
 225             wxVariant value1,value2;
 226             GetValue( value1, item1, 0 );
 227             GetValue( value2, item2, 0 );
 228
 229             wxString str1 = value1.GetString();
 230             wxString str2 = value2.GetString();
 231             int res = str1.Cmp( str2 );
 232             if (res) return res;
 233
 234             // items must be different
 235             wxUIntPtr litem1 = (wxUIntPtr) item1.GetID();
 236             wxUIntPtr litem2 = (wxUIntPtr) item2.GetID();
 237
 238             return litem1-litem2;
 239         }
 240
 241         return wxDataViewModel::Compare( item1, item2, column, ascending );
 242     }
 243
 244     // implementation of base class virtuals to define model
 245
 246     virtual unsigned int GetColumnCount() const
 247     {
 248         return 3;
 249     }
 250
 251     virtual wxString GetColumnType( unsigned int col ) const
 252     {
 253         if (col == 2)
 254             return wxT("long");
 255
 256         return wxT("string");
 257     }
 258
 259     virtual void GetValue( wxVariant &variant,
 260                            const wxDataViewItem &item, unsigned int col ) const
 261     {
 262         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 263         switch (col)
 264         {
 265             case 0: variant = node->m_title; break;
 266             case 1: variant = node->m_artist; break;
 267             case 2: variant = (long) node->m_year; break;
 268             default:
 269             {
 270                 wxLogError( wxT("MyMusicModel::GetValue: wrong column" ));
 271
 272                 // provoke a crash when mouse button down
 273                 wxMouseState state = wxGetMouseState();
 274                 if (state.ShiftDown())
 275                 {
 276                     char *crash = 0;
 277                     *crash = 0;
 278                 }
 279             }
 280         }
 281     }
 282
 283     virtual bool SetValue( const wxVariant &variant,
 284                            const wxDataViewItem &item, unsigned int col )
 285     {
 286         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 287         switch (col)
 288         {
 289             case 0: node->m_title = variant.GetString(); return true;
 290             case 1: node->m_artist  = variant.GetString(); return true;
 291             case 2: node->m_year  = variant.GetLong(); return true;
 292             default: wxLogError( wxT("MyMusicModel::SetValue: wrong column") );
 293         }
 294         return false;
 295     }
 296
 297     virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const
 298     {
 299         // the invisble root node has no parent
 300         if (!item.IsOk())
 301             return wxDataViewItem(0);
 302
 303         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 304
 305         // "MyMusic" also has no parent
 306         if (node == m_root)
 307             return wxDataViewItem(0);
 308
 309         return wxDataViewItem( (void*) node->GetParent() );
 310     }
 311
 312     virtual bool IsContainer( const wxDataViewItem &item ) const
 313     {
 314         // the invisble root node can have children (in
 315         // our model always "MyMusic")
 316         if (!item.IsOk())
 317             return true;
 318
 319         MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 320         return node->IsContainer();
 321     }
 322
 323     virtual unsigned int GetChildren( const wxDataViewItem &parent, wxDataViewItemArray &array ) const
 324     {
 325         MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
 326         if (!node)
 327         {
 328             array.Add( wxDataViewItem( (void*) m_root ) );
 329             return 1;
 330         }
 331
 332         if (node == m_classical)
 333         {
 334             MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
 335             model->m_classicalMusicIsKnownToControl = true;
 336         }
 337
 338         if (node->GetChildCount() == 0)
 339         {
 340             return 0;
 341         }
 342
 343         unsigned int count = node->GetChildren().GetCount();
 344         unsigned int pos;
 345         for (pos = 0; pos < count; pos++)
 346         {
 347             MyMusicModelNode *child = node->GetChildren().Item( pos );
 348             array.Add( wxDataViewItem( (void*) child ) );
 349         }
 350         return count;
 351     }
 352
 353     // DnD
 354
 355     virtual bool IsDraggable( const wxDataViewItem &item )
 356         {
 357             // only drag items
 358             return (!IsContainer(item));
 359         }
 360
 361     virtual size_t GetDragDataSize( const wxDataViewItem &item, const wxDataFormat &WXUNUSED(format) )
 362         {
 363             wxPrintf( "GetDragDataSize\n" );
 364
 365             MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 366             wxString data;
 367             data += node->m_title; data += wxT(" ");
 368             data += node->m_artist;
 369             return strlen( data.utf8_str() ) + 1;
 370         }
 371     virtual bool GetDragData( const wxDataViewItem &item, const wxDataFormat &WXUNUSED(format),
 372                               void* dest, size_t WXUNUSED(size) )
 373         {
 374             wxPrintf( "GetDragData\n" );
 375
 376             MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
 377             wxString data;
 378             data += node->m_title; data += wxT(" ");
 379             data += node->m_artist;
 380             wxCharBuffer buffer( data.utf8_str() );
 381             memcpy( dest, buffer, strlen(buffer)+1 );
 382             return true;
 383         }
 384
 385 private:
 386     MyMusicModelNode*   m_root;
 387     MyMusicModelNode*   m_pop;
 388     MyMusicModelNode*   m_classical;
 389     bool                m_classicalMusicIsKnownToControl;
 390 };
 391
 392
 393 static int my_sort_reverse( int *v1, int *v2 )
 394 {
 395    return *v2-*v1;
 396 }
 397
 398 static int my_sort( int *v1, int *v2 )
 399 {
 400    return *v1-*v2;
 401 }
 402
 403 class MyListModel: public wxDataViewVirtualListModel
 404 {
 405 public:
 406     MyListModel() :
 407 #ifdef __WXMAC__
 408         wxDataViewVirtualListModel( 1000 + 100 )
 409 #else
 410         wxDataViewVirtualListModel( 100000 + 100 )
 411 #endif
 412     {
 413 #ifdef __WXMAC__
 414         m_virtualItems = 1000;
 415 #else
 416         m_virtualItems = 100000;
 417 #endif
 418
 419         unsigned int i;
 420         for (i = 0; i < 100; i++)
 421         {
 422             wxString str;
 423             str.Printf( wxT("row number %d"), i );
 424             m_array.Add( str );
 425         }
 426
 427         m_icon = wxIcon( null_xpm );
 428     }
 429
 430     // helper methods to change the model
 431
 432     void Prepend( const wxString &text )
 433     {
 434         m_array.Insert( text, 0 );
 435         RowPrepended();
 436     }
 437
 438     void DeleteItem( const wxDataViewItem &item )
 439     {
 440         unsigned int row = GetRow( item );
 441         if (row >= m_array.GetCount())
 442            return;
 443
 444         m_array.RemoveAt( row );
 445         RowDeleted( row );
 446     }
 447
 448     void DeleteItems( const wxDataViewItemArray &items )
 449     {
 450         wxArrayInt rows;
 451         unsigned int i;
 452         for (i = 0; i < items.GetCount(); i++)
 453         {
 454             unsigned int row = GetRow( items[i] );
 455             if (row < m_array.GetCount())
 456                 rows.Add( row );
 457         }
 458
 459         // Sort in descending order so that the last
 460         // row will be deleted first. Otherwise the
 461         // remaining indeces would all be wrong.
 462         rows.Sort( my_sort_reverse );
 463         for (i = 0; i < rows.GetCount(); i++)
 464             m_array.RemoveAt( rows[i] );
 465
 466         // This is just to test if wxDataViewCtrl can
 467         // cope with removing rows not sorted in
 468         // descending order
 469         rows.Sort( my_sort );
 470         RowsDeleted( rows );
 471     }
 472
 473     void AddMany()
 474     {
 475         m_virtualItems += 1000;
 476         Reset( m_array.GetCount() + m_virtualItems );
 477     }
 478
 479     // implementation of base class virtuals to define model
 480
 481     virtual unsigned int GetColumnCount() const
 482     {
 483         return 3;
 484     }
 485
 486     virtual wxString GetColumnType( unsigned int col ) const
 487     {
 488         if (col == 1)
 489             return wxT("wxDataViewIconText");
 490
 491         return wxT("string");
 492     }
 493
 494     virtual unsigned int GetRowCount()
 495     {
 496         return m_array.GetCount();
 497     }
 498
 499     virtual void GetValue( wxVariant &variant,
 500                            unsigned int row, unsigned int col ) const
 501     {
 502         if (col==0)
 503         {
 504             if (row >= m_array.GetCount())
 505             {
 506                 wxString str;
 507                 str.Printf(wxT("row %d"), row - m_array.GetCount() );
 508                 variant = str;
 509             }
 510             else
 511             {
 512                 variant = m_array[ row ];
 513             }
 514         } else
 515         if (col==1)
 516         {
 517             wxDataViewIconText data( wxT("test"), m_icon );
 518             variant << data;
 519         } else
 520         if (col==2)
 521         {
 522             if (row >= m_array.GetCount())
 523                 variant = wxT("plain");
 524             else
 525                 variant = wxT("blue");
 526         }
 527     }
 528
 529     virtual bool GetAttr( unsigned int row, unsigned int col, wxDataViewItemAttr &attr )
 530     {
 531         if (col != 2)
 532             return false;
 533
 534         if (row < m_array.GetCount())
 535         {
 536             attr.SetColour( *wxBLUE );
 537             attr.SetItalic( true );
 538         }
 539
 540         return true;
 541     }
 542
 543     virtual bool SetValue( const wxVariant &variant,
 544                            unsigned int row, unsigned int col )
 545     {
 546         if (col == 0)
 547         {
 548             if (row >= m_array.GetCount())
 549                return false;
 550
 551             m_array[row] = variant.GetString();
 552             return true;
 553         }
 554
 555         return false;
 556     }
 557
 558     wxArrayString    m_array;
 559     wxIcon           m_icon;
 560     int              m_virtualItems;
 561 };
 562
 563 // -------------------------------------
 564 // MyCustomRenderer
 565 // -------------------------------------
 566
 567 class MyCustomRenderer: public wxDataViewCustomRenderer
 568 {
 569 public:
 570     MyCustomRenderer( wxDataViewCellMode mode, int alignment ) :
 571        wxDataViewCustomRenderer( wxString("long"), mode, alignment ) { }
 572
 573     virtual bool Render( wxRect rect, wxDC *dc, int WXUNUSED(state) )
 574     {
 575         dc->SetBrush( *wxRED_BRUSH );
 576         dc->SetPen( *wxTRANSPARENT_PEN );
 577         dc->DrawRectangle( rect );
 578         return true;
 579     }
 580
 581
 582     virtual bool Activate( wxRect WXUNUSED(cell),
 583                            wxDataViewModel *WXUNUSED(model), const wxDataViewItem &WXUNUSED(item), unsigned int WXUNUSED(col) )
 584     {
 585         wxLogMessage( wxT("MyCustomRenderer Activate()") );
 586         return false;
 587     }
 588
 589     virtual bool LeftClick( wxPoint cursor, wxRect WXUNUSED(cell),
 590                            wxDataViewModel *WXUNUSED(model), const wxDataViewItem &WXUNUSED(item), unsigned int WXUNUSED(col) )
 591     {
 592         wxLogMessage( wxT("MyCustomRenderer LeftClick( %d, %d )"), cursor.x, cursor.y );
 593         return false;
 594     }
 595
 596     virtual wxSize GetSize() const
 597     {
 598         return wxSize(60,40);
 599     }
 600
 601     virtual bool SetValue( const wxVariant &WXUNUSED(value) ) { return true; }
 602     virtual bool GetValue( wxVariant &WXUNUSED(value) ) const { return true; }
 603 };
 604
 605 // -------------------------------------
 606 // MyApp
 607 // -------------------------------------
 608
 609 class MyApp: public wxApp
 610 {
 611 public:
 612     bool OnInit(void);
 613     int OnExit();
 614 };
 615
 616 // -------------------------------------
 617 // MyFrame
 618 // -------------------------------------
 619
 620 class MyFrame : public wxFrame
 621 {
 622 public:
 623     MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int h);
 624     ~MyFrame();
 625
 626 public:
 627     void OnQuit(wxCommandEvent& event);
 628     void OnAbout(wxCommandEvent& event);
 629
 630     void OnAddMozart(wxCommandEvent& event);
 631     void OnDeleteMusic(wxCommandEvent& event);
 632     void OnDeleteYear(wxCommandEvent& event);
 633
 634     void OnPrependList(wxCommandEvent& event);
 635     void OnDeleteList(wxCommandEvent& event);
 636
 637     void OnValueChanged( wxDataViewEvent &event );
 638
 639     void OnActivated( wxDataViewEvent &event );
 640     void OnExpanding( wxDataViewEvent &event );
 641     void OnExpanded( wxDataViewEvent &event );
 642     void OnCollapsing( wxDataViewEvent &event );
 643     void OnCollapsed( wxDataViewEvent &event );
 644     void OnSelectionChanged( wxDataViewEvent &event );
 645
 646     void OnEditingStarted( wxDataViewEvent &event );
 647     void OnEditingDone( wxDataViewEvent &event );
 648
 649     void OnHeaderClick( wxDataViewEvent &event );
 650     void OnHeaderRightClick( wxDataViewEvent &event );
 651     void OnSorted( wxDataViewEvent &event );
 652
 653     void OnContextMenu( wxDataViewEvent &event );
 654
 655     void OnRightClick( wxMouseEvent &event );
 656     void OnGoto( wxCommandEvent &event);
 657     void OnAddMany( wxCommandEvent &event);
 658
 659 private:
 660     wxDataViewCtrl* m_musicCtrl;
 661     wxObjectDataPtr<MyMusicModel> m_music_model;
 662
 663     wxDataViewCtrl* m_listCtrl;
 664     wxObjectDataPtr<MyListModel> m_list_model;
 665
 666     wxDataViewColumn * m_col;
 667
 668     wxTextCtrl    * m_log;
 669     wxLog *m_logOld;
 670
 671 private:
 672     DECLARE_EVENT_TABLE()
 673 };
 674
 675 // -------------------------------------
 676 // MyApp
 677 // -------------------------------------
 678
 679 IMPLEMENT_APP(MyApp)
 680
 681 bool MyApp::OnInit(void)
 682 {
 683     if ( !wxApp::OnInit() )
 684         return false;
 685
 686     // build the first frame
 687     MyFrame *frame =
 688         new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 40, 40, 1000, 540);
 689     frame->Show(true);
 690
 691     SetTopWindow(frame);
 692     return true;
 693 }
 694
 695 int MyApp::OnExit()
 696 {
 697     return 0;
 698 }
 699
 700
 701 // -------------------------------------
 702 // MyFrame
 703 // -------------------------------------
 704
 705 enum
 706 {
 707     // file menu
 708     ID_ABOUT = wxID_ABOUT,
 709     ID_EXIT = wxID_EXIT,
 710
 711     ID_MUSIC_CTRL       = 50,
 712
 713     ID_ADD_MOZART       = 100,
 714     ID_DELETE_MUSIC     = 101,
 715     ID_DELETE_YEAR      = 102,
 716
 717     ID_PREPEND_LIST     = 200,
 718     ID_DELETE_LIST      = 201,
 719     ID_GOTO             = 202,
 720     ID_ADD_MANY         = 203
 721 };
 722
 723 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 724     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
 725     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 726     EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
 727     EVT_BUTTON( ID_DELETE_MUSIC, MyFrame::OnDeleteMusic )
 728     EVT_BUTTON( ID_DELETE_YEAR, MyFrame::OnDeleteYear )
 729     EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
 730     EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
 731     EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
 732     EVT_BUTTON( ID_ADD_MANY, MyFrame::OnAddMany)
 733
 734     EVT_DATAVIEW_ITEM_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
 735
 736     EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
 737     EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
 738     EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
 739     EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
 740     EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
 741     EVT_DATAVIEW_SELECTION_CHANGED(ID_MUSIC_CTRL, MyFrame::OnSelectionChanged)
 742
 743     EVT_DATAVIEW_ITEM_EDITING_STARTED(ID_MUSIC_CTRL, MyFrame::OnEditingStarted)
 744     EVT_DATAVIEW_ITEM_EDITING_DONE(ID_MUSIC_CTRL, MyFrame::OnEditingDone)
 745
 746     EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
 747     EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
 748     EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
 749
 750     EVT_DATAVIEW_ITEM_CONTEXT_MENU(ID_MUSIC_CTRL, MyFrame::OnContextMenu)
 751
 752     EVT_RIGHT_UP(MyFrame::OnRightClick)
 753 END_EVENT_TABLE()
 754
 755 MyFrame::MyFrame(wxFrame *frame, const wxString &title, int x, int y, int w, int h):
 756   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 757 {
 758     m_log = NULL;
 759     m_col = NULL;
 760
 761     SetIcon(wxICON(sample));
 762
 763     // build the menus:
 764
 765     wxMenu *file_menu = new wxMenu;
 766     file_menu->Append(ID_ABOUT, wxT("&About"));
 767     file_menu->AppendSeparator();
 768     file_menu->Append(ID_EXIT, wxT("E&xit"));
 769
 770     wxMenuBar *menu_bar = new wxMenuBar;
 771     menu_bar->Append(file_menu, wxT("&File"));
 772
 773     SetMenuBar(menu_bar);
 774     CreateStatusBar();
 775
 776     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
 777
 778     wxBoxSizer *data_sizer = new wxBoxSizer( wxHORIZONTAL );
 779
 780     // MyMusic
 781
 782     m_musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL, wxDefaultPosition,
 783                                     wxDefaultSize, wxDV_MULTIPLE|wxDV_VARIABLE_LINE_HEIGHT );
 784
 785     m_music_model = new MyMusicModel;
 786     m_musicCtrl->AssociateModel( m_music_model.get() );
 787
 788     wxDataViewTextRenderer *tr = new wxDataViewTextRenderer( wxT("string"), wxDATAVIEW_CELL_INERT );
 789     wxDataViewColumn *column0 = new wxDataViewColumn( wxT("title"), tr, 0, 200, wxALIGN_LEFT,
 790         wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 791     m_musicCtrl->AppendColumn( column0 );
 792 #if 0
 793     // Call this and sorting is enabled
 794     // immediatly upon start up.
 795     column0->SetSortOrder( true );
 796 #endif
 797
 798     tr = new wxDataViewTextRenderer( wxT("string"), wxDATAVIEW_CELL_EDITABLE );
 799     wxDataViewColumn *column1 = new wxDataViewColumn( wxT("artist"), tr, 1, 150, wxALIGN_RIGHT,
 800         wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 801     m_musicCtrl->AppendColumn( column1 );
 802
 803     wxDataViewSpinRenderer *sr = new wxDataViewSpinRenderer( 0, 2010, wxDATAVIEW_CELL_EDITABLE, wxALIGN_RIGHT );
 804     wxDataViewColumn *column2 = new wxDataViewColumn( wxT("year"), sr, 2, 80, wxALIGN_LEFT,
 805         wxDATAVIEW_COL_SORTABLE | wxDATAVIEW_COL_REORDERABLE | wxDATAVIEW_COL_RESIZABLE );
 806     m_musicCtrl->AppendColumn( column2 );
 807
 808     MyCustomRenderer *cr = new MyCustomRenderer( wxDATAVIEW_CELL_ACTIVATABLE, wxALIGN_RIGHT );
 809     wxDataViewColumn *column3 = new wxDataViewColumn( wxT("custom"), cr, 2, -1, wxALIGN_LEFT,
 810         wxDATAVIEW_COL_RESIZABLE );
 811     m_musicCtrl->AppendColumn( column3 );
 812
 813     data_sizer->Add( m_musicCtrl, 3, wxGROW );
 814
 815 #if 1
 816
 817     // MyList
 818
 819     m_listCtrl = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
 820                                      wxDefaultSize, wxDV_MULTIPLE | wxDV_ROW_LINES);
 821
 822     m_list_model = new MyListModel;
 823     m_listCtrl->AssociateModel( m_list_model.get() );
 824
 825 #if 1
 826     m_listCtrl->AppendTextColumn    (wxT("editable string"), 0, wxDATAVIEW_CELL_EDITABLE, 120 );
 827     m_listCtrl->AppendIconTextColumn(wxIcon(small1_xpm), 1, wxDATAVIEW_CELL_INERT )->SetTitle( wxT("icon") );
 828 #else
 829     m_listCtrl->AppendTextColumn    (wxT("editable string"), 0, wxDATAVIEW_CELL_EDITABLE );
 830     m_listCtrl->AppendIconTextColumn(wxT("icon"),            1, wxDATAVIEW_CELL_INERT );
 831 #endif
 832
 833     wxDataViewTextRendererAttr *ra = new wxDataViewTextRendererAttr;
 834     wxDataViewColumn *column4 = new wxDataViewColumn(wxT("attributes"), ra, 2 );
 835     m_listCtrl->AppendColumn( column4 );
 836
 837     data_sizer->Add( m_listCtrl, 2, wxGROW );
 838
 839 #endif
 840
 841     main_sizer->Add( data_sizer, 2, wxGROW );
 842
 843     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
 844
 845     button_sizer->Add( new wxButton( this, ID_ADD_MOZART,  _("Add Mozart")),             0, wxALL, 10 );
 846     button_sizer->Add( new wxButton( this, ID_DELETE_MUSIC,_("Delete selected")),        0, wxALL, 10 );
 847     button_sizer->Add( new wxButton( this, ID_DELETE_YEAR, _("Delete \"Year\" column")), 0, wxALL, 10 );
 848     button_sizer->Add( 10, 10, 1 );
 849     wxFlexGridSizer *grid_sizer = new wxFlexGridSizer( 2, 2 );
 850     grid_sizer->Add( new wxButton( this, ID_PREPEND_LIST,_("Prepend")),         0, wxALL, 2 );
 851     grid_sizer->Add( new wxButton( this, ID_DELETE_LIST, _("Delete selected")), 0, wxALL, 2 );
 852     grid_sizer->Add( new wxButton( this, ID_GOTO,        _("Goto 50")),         0, wxALL, 2 );
 853     grid_sizer->Add( new wxButton( this, ID_ADD_MANY,    _("Add 1000")),        0, wxALL, 2 );
 854     button_sizer->Add( grid_sizer, 0, wxALL, 10 );
 855
 856     main_sizer->Add( button_sizer, 0, wxGROW, 0 );
 857
 858     wxBoxSizer *bottom_sizer = new wxBoxSizer( wxHORIZONTAL );
 859
 860     m_log = new wxTextCtrl( this, -1, wxString(), wxDefaultPosition, wxSize(100,200), wxTE_MULTILINE );
 861     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
 862     wxLogMessage(_("This is the log window"));
 863
 864     bottom_sizer->Add( m_log, 1, wxGROW );
 865
 866     // wxDataViewTreeStore
 867
 868     wxDataViewCtrl *treectrl = new wxDataViewCtrl( this, -1,
 869         wxDefaultPosition, wxSize(100,200), wxDV_NO_HEADER );
 870
 871     wxDataViewTreeStore *store = new wxDataViewTreeStore;
 872     wxDataViewItem parent = store->AppendContainer( wxDataViewItem(0),wxT("Root 1"), wxIcon(small1_xpm) );
 873     wxDataViewItem child = store->AppendItem( parent,wxT("Child 1"), wxIcon(small1_xpm) );
 874     child = store->AppendItem( parent,wxT("Child 2"), wxIcon(small1_xpm) );
 875     child = store->AppendItem( parent,wxT("Child 3, very long, long, long, long"), wxIcon(small1_xpm) );
 876     treectrl->AssociateModel( store );
 877     store->DecRef();
 878
 879     treectrl->AppendIconTextColumn( wxT("no label"), 0, wxDATAVIEW_CELL_INERT, -1, (wxAlignment) 0,
 880         wxDATAVIEW_COL_RESIZABLE );
 881
 882     bottom_sizer->Add( treectrl, 1 );
 883
 884     // wxDataViewTreeCtrl
 885
 886     wxDataViewTreeCtrl *treectrl2 = new wxDataViewTreeCtrl( this, -1, wxDefaultPosition, wxSize(100,200) );
 887
 888     wxImageList *ilist = new wxImageList( 16, 16 );
 889     ilist->Add( wxIcon(small1_xpm) );
 890     treectrl2->SetImageList( ilist );
 891
 892     parent = treectrl2->AppendContainer( wxDataViewItem(0),wxT("Root 1"), 0 );
 893     child = treectrl2->AppendItem( parent,wxT("Child 1"), 0 );
 894     child = treectrl2->AppendItem( parent,wxT("Child 2"), 0 );
 895     child = treectrl2->AppendItem( parent,wxT("Child 3, very long, long, long, long"), 0 );
 896
 897     bottom_sizer->Add( treectrl2, 1 );
 898
 899     // main sizer
 900
 901     main_sizer->Add( bottom_sizer, 0, wxGROW );
 902
 903     SetSizer( main_sizer );
 904 }
 905
 906 MyFrame::~MyFrame()
 907 {
 908     delete wxLog::SetActiveTarget(m_logOld);
 909 }
 910
 911 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 912 {
 913     Close(true);
 914 }
 915
 916 void MyFrame::OnAddMozart(wxCommandEvent& WXUNUSED(event) )
 917 {
 918     m_music_model->AddToClassical( wxT("Kleine Nachtmusik"), wxT("Wolfgang Mozart"), 1787 );
 919 }
 920
 921 void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) )
 922 {
 923     wxDataViewItemArray items;
 924     int len = m_musicCtrl->GetSelections( items );
 925     for( int i = 0; i < len; i ++ )
 926         if (items[i].IsOk())
 927             m_music_model->Delete( items[i] );
 928 }
 929
 930 void MyFrame::OnDeleteYear( wxCommandEvent& WXUNUSED(event) )
 931 {
 932     m_musicCtrl->DeleteColumn( m_musicCtrl->GetColumn( 2 ) );
 933     FindWindow( ID_DELETE_YEAR )->Disable();
 934 }
 935
 936 void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
 937 {
 938     m_list_model->Prepend(wxT("Test"));
 939 }
 940
 941 void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
 942 {
 943     wxDataViewItemArray items;
 944     int len = m_listCtrl->GetSelections( items );
 945     if (len > 0)
 946         m_list_model->DeleteItems( items );
 947 }
 948
 949 void MyFrame::OnValueChanged( wxDataViewEvent &event )
 950 {
 951     if (!m_log)
 952         return;
 953
 954     wxLogMessage( wxT("EVT_DATAVIEW_ITEM_VALUE_CHANGED, Item Id: %d;  Column: %d"), event.GetItem().GetID(), event.GetColumn() );
 955 }
 956
 957 void MyFrame::OnActivated( wxDataViewEvent &event )
 958 {
 959     if(!m_log)
 960         return;
 961
 962     wxString title = m_music_model->GetTitle( event.GetItem() );
 963     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item: %s"), title.GetData());
 964 }
 965
 966 void MyFrame::OnSelectionChanged( wxDataViewEvent &event )
 967 {
 968     if(!m_log)
 969         return;
 970
 971     wxString title = m_music_model->GetTitle( event.GetItem() );
 972     if (title.empty())
 973         title = wxT("None");
 974
 975     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, First selected Item: %s"), title.GetData() );
 976 }
 977
 978 void MyFrame::OnExpanding( wxDataViewEvent &event )
 979 {
 980     if (!m_log)
 981         return;
 982
 983     wxString title = m_music_model->GetTitle( event.GetItem() );
 984     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item: %s"), title.GetData() );
 985 }
 986
 987
 988 void MyFrame::OnEditingStarted( wxDataViewEvent &event )
 989 {
 990     if (!m_log)
 991         return;
 992
 993     wxString title = m_music_model->GetTitle( event.GetItem() );
 994     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, Item: %s"), title.GetData() );
 995 }
 996
 997 void MyFrame::OnEditingDone( wxDataViewEvent &event )
 998 {
 999     if (!m_log)
1000         return;
1001
1002     wxString title = m_music_model->GetTitle( event.GetItem() );
1003     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, Item: %s"), title.GetData() );
1004 }
1005
1006 void MyFrame::OnExpanded( wxDataViewEvent &event )
1007 {
1008     if (!m_log)
1009         return;
1010
1011     wxString title = m_music_model->GetTitle( event.GetItem() );
1012     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item: %s"), title.GetData() );
1013 }
1014
1015 void MyFrame::OnCollapsing( wxDataViewEvent &event )
1016 {
1017     if (!m_log)
1018         return;
1019
1020     wxString title = m_music_model->GetTitle( event.GetItem() );
1021     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item: %s"), title.GetData() );
1022 }
1023
1024 void MyFrame::OnCollapsed( wxDataViewEvent &event )
1025 {
1026     if (!m_log)
1027         return;
1028
1029     wxString title = m_music_model->GetTitle( event.GetItem() );
1030     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item: %s"),title.GetData());
1031 }
1032
1033 void MyFrame::OnContextMenu( wxDataViewEvent &event )
1034 {
1035     if (!m_log)
1036         return;
1037
1038     wxString title = m_music_model->GetTitle( event.GetItem() );
1039     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s"),title.GetData());
1040
1041     wxMenu *menu = new wxMenu;
1042     menu->Append( 1, wxT("entry 1") );
1043     menu->Append( 2, wxT("entry 2") );
1044     menu->Append( 3, wxT("entry 3") );
1045
1046     m_musicCtrl->PopupMenu( menu );
1047
1048 //    wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s Value: %s"),title.GetData(), event.GetValue().GetString());
1049 }
1050
1051 void MyFrame::OnHeaderClick( wxDataViewEvent &event )
1052 {
1053     if(!m_log)
1054         return;
1055
1056     int pos = m_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
1057
1058     wxLogMessage(wxT("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column position: %d"), pos );
1059 }
1060
1061 void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
1062 {
1063     if(!m_log)
1064         return;
1065
1066     int pos = m_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
1067
1068     wxLogMessage(wxT("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_musicCtrl->GetColumnPosition( event.GetDataViewColumn() );
1077
1078     wxLogMessage(wxT("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(wxT("wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d"), event.GetX(), event.GetY());
1087 }
1088
1089 void MyFrame::OnGoto(wxCommandEvent& WXUNUSED(event))
1090 {
1091     wxDataViewItem item = m_list_model->GetItem( 50 );
1092     m_listCtrl->EnsureVisible(item,m_col);
1093 }
1094
1095 void MyFrame::OnAddMany(wxCommandEvent& WXUNUSED(event))
1096 {
1097     m_list_model->AddMany();
1098 }
1099
1100
1101 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
1102 {
1103     wxAboutDialogInfo info;
1104     info.SetName(_("DataView sample"));
1105     info.SetDescription(_("This sample demonstrates the dataview control handling"));
1106     info.SetCopyright(_T("(C) 2007 Robert Roebling"));
1107
1108     wxAboutBox(info);
1109 }
1110