don't recompute nonbreakable space character every time a text fragment is added...

[wxWidgets.git] / samples / dataview / dataview.cpp

diff --git a/samples/dataview/dataview.cpp b/samples/dataview/dataview.cpp
index a6259d29b1b5ec7d6785cd4f5428b6b346fc81e7..694cb30d8b1ee5dd9b9d72d7fd82f1b0dae9fccd 100644 (file)
--- a/samples/dataview/dataview.cpp
+++ b/samples/dataview/dataview.cpp
@@ -2,7 +2,7 @@
 // Name:        dataview.cpp
 // Purpose:     wxDataViewCtrl wxWidgets sample
 // Author:      Robert Roebling
 // Name:        dataview.cpp
 // Purpose:     wxDataViewCtrl wxWidgets sample
 // Author:      Robert Roebling

-// Modified by: Francesco Montorsi
+// Modified by: Francesco Montorsi, Bo Yang

 // Created:     06/01/06
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
 // Created:     06/01/06
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling


@@ -57,11 +57,150 @@ Implement this data model
         7:  German Requiem      Johannes Brahms      1868
 */
 
         7:  German Requiem      Johannes Brahms      1868
 */
 

+
+
+class MyMusicModelNode;
+WX_DEFINE_ARRAY_PTR( MyMusicModelNode*, MyMusicModelNodes );
+
+class MyMusicModelNode
+{
+public:
+    MyMusicModelNode( MyMusicModelNode* parent, 
+                      const wxString &title, const wxString &artist, const wxString &year )
+    { 
+        m_parent = parent; 
+        m_title = title;
+        m_artist = artist;
+        m_year = year;
+        m_isContainer = false;
+    }
+    
+    MyMusicModelNode( MyMusicModelNode* parent,
+                      const wxString &branch )
+    { 
+        m_parent = parent; 
+        m_title = branch;
+        m_isContainer = true;
+    }
+    
+    ~MyMusicModelNode()
+    { 
+        size_t count = m_children.GetCount();
+        size_t i;
+        for (i = 0; i < count; i++)
+        {
+            MyMusicModelNode *child = m_children[i];
+            delete child;
+        }
+    }
+
+    bool IsContainer()                                    { return m_isContainer; }
+
+    MyMusicModelNode* GetParent()                         { return m_parent; }
+    MyMusicModelNodes &GetChildren()                      { return m_children; }
+    MyMusicModelNode* GetNthChild( unsigned int n )       { return m_children.Item( n ); }
+    void Insert( MyMusicModelNode* child, unsigned int n) { m_children.Insert( child, n); }
+    void Append( MyMusicModelNode* child )                { m_children.Add( child ); }
+    unsigned int GetChildCount()                          { return m_children.GetCount(); }
+
+public:
+    wxString            m_title;
+    wxString            m_artist;
+    wxString            m_year;
+    
+private:
+    MyMusicModelNode   *m_parent;
+    MyMusicModelNodes   m_children; 
+    bool                m_isContainer;
+};
+

  
 class MyMusicModel: public wxDataViewModel
 {
 public:
  
 class MyMusicModel: public wxDataViewModel
 {
 public:

-    MyMusicModel() {}
+
+    // constructor
+
+    MyMusicModel() 
+    {
+        m_root = new MyMusicModelNode( NULL, "My Music" );
+        m_pop = new MyMusicModelNode( m_root, "Pop music" );
+        m_root->Append( m_pop );
+        m_pop->Append( new MyMusicModelNode( m_pop, 
+            "You are not alone", "Michael Jackson", "1995" ) );
+        m_pop->Append( new MyMusicModelNode( m_pop, 
+            "Take a bow", "Madonna", "1994" ) );
+        m_classical = new MyMusicModelNode( m_root, "Classical music" );
+        m_root->Append( m_classical );
+        m_classical->Append( new MyMusicModelNode( m_classical, 
+            "Ninth symphony", "Ludwig van Beethoven", "1824" ) );
+        m_classical->Append( new MyMusicModelNode( m_classical, 
+            "German Requiem", "Johannes Brahms", "1868" ) );
+        m_classicalMusicIsKnownToControl = false;
+    }
+    
+    // helper methods to change the model
+
+    void AddToClassical( const wxString &title, const wxString &artist, const wxString &year )
+    {
+        // add to data
+        MyMusicModelNode *child_node = 
+            new MyMusicModelNode( m_classical, title, artist, year );
+        
+        m_classical->Append( child_node );
+        
+        if (m_classicalMusicIsKnownToControl)
+        {
+            // notify control
+            wxDataViewItem child( (void*) child_node );
+            wxDataViewItem parent( (void*) m_classical );
+            ItemAdded( parent, child );
+        }
+    }
+
+    void Delete( const wxDataViewItem &item )
+    {
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        wxDataViewItem parent( node->GetParent() );
+        
+        // notify control
+        ItemDeleted( parent, item );
+        //We must delete the node after we call ItemDeleted
+        //The reason is that:
+        //When we use wxSortedArray, the array find a node through binary search for speed.
+        //And when the array is searching for some node, it call the model's compare function.
+        //The compare function need the node to be compared. So we should delete the node later, here.
+        node->GetParent()->GetChildren().Remove( node );
+        delete node;
+    }
+    
+    // override sorting to always sort branches ascendingly
+    
+    int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2, 
+                 unsigned int column, bool ascending )
+    {
+        if (IsContainer(item1) && IsContainer(item2))
+        {
+            wxVariant value1,value2;
+            GetValue( value1, item1, 0 );
+            GetValue( value2, item2, 0 );
+
+            wxString str1 = value1.GetString();
+            wxString str2 = value2.GetString();
+            int res = str1.Cmp( str2 );
+            if (res) return res;
+            
+            // items must be different
+            unsigned long litem1 = (unsigned long) item1.GetID();    
+            unsigned long litem2 = (unsigned long) item2.GetID();    
+
+            return litem1-litem2;
+        }
+        
+        return wxDataViewModel::Compare( item1, item2, column, ascending );
+    }
+
+    // implementation of base class virtuals to define model

     
     virtual unsigned int GetColumnCount() const
     {
     
     virtual unsigned int GetColumnCount() const
     {


@@ -76,100 +215,179 @@ public:
     virtual void GetValue( wxVariant &variant, 
                            const wxDataViewItem &item, unsigned int col ) const
     {
     virtual void GetValue( wxVariant &variant, 
                            const wxDataViewItem &item, unsigned int col ) const
     {

-        variant = wxString("");
-        int ID = item.GetID();
-        switch (ID)
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        switch (col)

         {
         {

-            case 1: if (col == 0) variant = wxString("My Music"); break;
-            case 2: if (col == 0) variant = wxString("Pop music"); break;
-            case 5: if (col == 0) variant = wxString("Classical music"); break;
-            case 3:
-            {
-                switch (col)
-                {
-                    case 0: variant = wxString("You are not alone"); break;
-                    case 1: variant = wxString("Michael Jackson"); break;
-                    case 2: variant = wxString("1995");
-                }
-            }
-            break;
-            case 4:
-            {
-                switch (col)
-                {
-                    case 0: variant = wxString("Take a bow"); break;
-                    case 1: variant = wxString("Madonna"); break;
-                    case 2: variant = wxString("1994");
-                }
-            }
-            break;
-            case 6:
-            {
-                switch (col)
-                {
-                    case 0: variant = wxString("Ninth symphony"); break;
-                    case 1: variant = wxString("Ludwig v. Beethoven"); break;
-                    case 2: variant = wxString("1824");
-                }
-            }
-            break;
-            case 7:
-            {
-                switch (col)
-                {
-                    case 0: variant = wxString("German requiem"); break;
-                    case 1: variant = wxString("Johannes Brahms"); break;
-                    case 2: variant = wxString("1868");
-                }
-            }
-            break;
+            case 0: variant = node->m_title; break;
+            case 1: variant = node->m_artist; break;
+            case 2: variant = node->m_year; break;
+            default: wxLogError( "MyMusicModel::GetValue: wrong column" );

         }
         }

-            

     }
 
     virtual bool SetValue( const wxVariant &variant, 
                            const wxDataViewItem &item, unsigned int col )
     {
     }
 
     virtual bool SetValue( const wxVariant &variant, 
                            const wxDataViewItem &item, unsigned int col )
     {

-        // readonly
-        return true;
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        switch (col)
+        {
+            case 0: node->m_title = variant.GetString(); break;
+            case 1: node->m_artist  = variant.GetString(); break;
+            case 2: node->m_year  = variant.GetString(); break;
+            default: wxLogError( "MyMusicModel::SetValue: wrong column" );
+        }

     }
 
     }
 

-    /*****************************************************************
-    If wxDataViewItem is not valid in the two methods I quote above
-    then it means "return the child item from the invisible root".
-    ******************************************************************/
-    
-    virtual bool HasChildren( const wxDataViewItem &item ) const
+    virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const
+    {
+        // the invisble root node has no parent
+        if (!item.IsOk())
+            return wxDataViewItem(0);
+            
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        
+        // "MyMusic" also has no parent
+        if (node == m_root)
+            return wxDataViewItem(0);
+            
+        return wxDataViewItem( (void*) node->GetParent() );
+    }
+
+    virtual bool IsContainer( const wxDataViewItem &item ) const

     {
     {

-        int ID = item.GetID();
-        return ((ID == 1) || (ID == 2) || (ID == 5) || (ID == 0));
+        // the invisble root node can have children (in
+        // our model always "MyMusic")
+        if (!item.IsOk())
+            return true;
+    
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        return node->IsContainer();

     }
     
     virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
     {
     }
     
     virtual wxDataViewItem GetFirstChild( const wxDataViewItem &parent ) const
     {

-        int ID = parent.GetID();
-        switch (ID)
+        MyMusicModelNode *node = (MyMusicModelNode*) parent.GetID();
+        if (!node)
+            return wxDataViewItem( (void*) m_root );
+        
+        if (node->GetChildCount() == 0)
+            return wxDataViewItem( 0 );
+           
+        if (node == m_classical)

         {
         {

-            case 0: return wxDataViewItem( 1 );
-            case 1: return wxDataViewItem( 2 );
-            case 2: return wxDataViewItem( 3 );
-            case 5: return wxDataViewItem( 6 );
+            MyMusicModel *model = (MyMusicModel*)(const MyMusicModel*) this;
+            model->m_classicalMusicIsKnownToControl = true;

         }
         
         }
         

-        return wxDataViewItem(0);
+        MyMusicModelNode *first_child = node->GetChildren().Item( 0 );
+        return wxDataViewItem( (void*) first_child );

     }
     }

+    

     virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
     {
     virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
     {

-        int ID = item.GetID();
-        switch (ID)
-        {
-            case 2: return wxDataViewItem( 5 );
-            case 3: return wxDataViewItem( 4 );
-            case 6: return wxDataViewItem( 7 );
-        }
+        MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
+        
+        // "MyMusic" has no siblings in our model
+        if (node == m_root)
+            return wxDataViewItem(0);
+
+        MyMusicModelNode *parent = node->GetParent();
+        int pos = parent->GetChildren().Index( node );

         
         

-        return wxDataViewItem(0);
+        // Something went wrong
+        if (pos == wxNOT_FOUND)
+            return wxDataViewItem(0);
+            
+        // No more children
+        if (pos == parent->GetChildCount()-1)
+            return wxDataViewItem(0);
+            
+        node = parent->GetChildren().Item( pos+1 );
+        return wxDataViewItem( (void*) node );

     } 
     } 

+    
+private:
+    MyMusicModelNode*   m_root;
+    MyMusicModelNode*   m_pop;
+    MyMusicModelNode*   m_classical;
+    bool                m_classicalMusicIsKnownToControl;
+};
+
+class MyListModel: public wxDataViewIndexListModel
+{
+public:
+    MyListModel() : 
+        wxDataViewIndexListModel( 100 )
+    {
+        unsigned int i;
+        for (i = 0; i < 100; i++)
+        {
+            wxString str;
+            str.Printf( "row number %d", i );
+            m_array.Add( str );
+        }
+    }
+    
+    // helper methods to change the model
+
+    void Prepend( const wxString &text )
+    {
+        m_array.Insert( text, 0 );
+        RowPrepended();
+    }
+
+    void DeleteItem( const wxDataViewItem &item )
+    {
+        unsigned int row = GetRow( item );
+        m_array.RemoveAt( row );
+        RowDeleted( row );
+    }
+
+    // implementation of base class virtuals to define model
+    
+    virtual unsigned int GetColumnCount() const
+    {
+        return 2;
+    }
+
+    virtual wxString GetColumnType( unsigned int col ) const
+    {
+        return "string";
+    }
+    
+    virtual unsigned int GetRowCount()
+    {
+        return m_array.GetCount();
+    }
+    
+    virtual void GetValue( wxVariant &variant, 
+                           unsigned int row, unsigned int col ) const
+    {
+        if (col==0)
+        {
+            variant = m_array[ row ];
+        }
+        else
+        {
+            wxString str;
+            str.Printf( "row %d col %d", row, col );
+            variant = str;
+        }
+    }
+
+    virtual bool SetValue( const wxVariant &variant, 
+                           unsigned int row, unsigned int col )
+    {
+        if (col == 0)
+        {
+            m_array[row] = variant.GetString();
+            return true;
+        }
+    
+        return false;
+    }
+    
+    wxArrayString    m_array;

 };
 
 // -------------------------------------
 };
 
 // -------------------------------------


@@ -195,9 +413,40 @@ public:
 public:
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 public:
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);

+    
+    void OnAddMozart(wxCommandEvent& event);
+    void OnDeleteMusic(wxCommandEvent& event);
+    
+    void OnPrependList(wxCommandEvent& event);
+    void OnDeleteList(wxCommandEvent& event);
+
+    void OnValueChanged( wxDataViewEvent &event );
+    void OnItemAdded( wxDataViewEvent &event );
+    void OnItemDeleted( wxDataViewEvent &event );
+    
+    void OnActivated( wxDataViewEvent &event );
+    void OnExpanding( wxDataViewEvent &event );
+    void OnExpanded( wxDataViewEvent &event );
+    void OnCollapsing( wxDataViewEvent &event );
+    void OnCollapsed( wxDataViewEvent &event );
+    void OnSelected( wxDataViewEvent &event );
+    
+    void OnHeaderClick( wxDataViewEvent &event );
+    void OnHeaderRightClick( wxDataViewEvent &event );
+    void OnSorted( wxDataViewEvent &event );
+
+    void OnRightClick( wxMouseEvent &event );
+    void OnGoto( wxCommandEvent &event);

 
 private:
 
 private:

-    wxDataViewCtrl* m_dataview;
+    wxDataViewCtrl* m_musicCtrl;
+    wxObjectDataPtr<MyMusicModel> m_music_model;
+    
+    wxDataViewCtrl* m_listCtrl;
+    wxObjectDataPtr<MyListModel> m_list_model;
+    
+    wxTextCtrl    * m_log;
+    wxLog *m_logOld;

 
 private:
     DECLARE_EVENT_TABLE()
 
 private:
     DECLARE_EVENT_TABLE()


@@ -216,7 +465,7 @@ bool MyApp::OnInit(void)
 
     // build the first frame
     MyFrame *frame = 
 
     // build the first frame
     MyFrame *frame = 

-        new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 10, 10, 800, 340);
+        new MyFrame(NULL, wxT("wxDataViewCtrl feature test"), 40, 40, 700, 440);

     frame->Show(true);
 
     SetTopWindow(frame);
     frame->Show(true);
 
     SetTopWindow(frame);


@@ -238,16 +487,50 @@ enum
     // file menu
     ID_ABOUT = wxID_ABOUT,
     ID_EXIT = wxID_EXIT,
     // file menu
     ID_ABOUT = wxID_ABOUT,
     ID_EXIT = wxID_EXIT,

+    
+    ID_MUSIC_CTRL       = 50,
+    
+    ID_ADD_MOZART       = 100,
+    ID_DELETE_MUSIC     = 101,
+     
+    ID_PREPEND_LIST     = 200,
+    ID_DELETE_LIST      = 201,
+    ID_GOTO                  = 202

 };
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
     EVT_MENU( ID_EXIT, MyFrame::OnQuit )
 };
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU( ID_ABOUT, MyFrame::OnAbout )
     EVT_MENU( ID_EXIT, MyFrame::OnQuit )

+    EVT_BUTTON( ID_ADD_MOZART, MyFrame::OnAddMozart )
+    EVT_BUTTON( ID_DELETE_MUSIC, MyFrame::OnDeleteMusic )
+    EVT_BUTTON( ID_PREPEND_LIST, MyFrame::OnPrependList )
+    EVT_BUTTON( ID_DELETE_LIST, MyFrame::OnDeleteList )
+    EVT_BUTTON( ID_GOTO, MyFrame::OnGoto)
+    
+    EVT_DATAVIEW_MODEL_ITEM_ADDED( ID_MUSIC_CTRL, MyFrame::OnItemAdded )
+    EVT_DATAVIEW_MODEL_ITEM_DELETED( ID_MUSIC_CTRL, MyFrame::OnItemDeleted )
+    EVT_DATAVIEW_MODEL_VALUE_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
+    EVT_DATAVIEW_MODEL_ITEM_CHANGED( ID_MUSIC_CTRL, MyFrame::OnValueChanged )
+    
+    EVT_DATAVIEW_ITEM_ACTIVATED(ID_MUSIC_CTRL, MyFrame::OnActivated )
+    EVT_DATAVIEW_ITEM_EXPANDING(ID_MUSIC_CTRL, MyFrame::OnExpanding)
+    EVT_DATAVIEW_ITEM_EXPANDED(ID_MUSIC_CTRL, MyFrame::OnExpanded)
+    EVT_DATAVIEW_ITEM_COLLAPSING(ID_MUSIC_CTRL, MyFrame::OnCollapsing)
+    EVT_DATAVIEW_ITEM_COLLAPSED(ID_MUSIC_CTRL, MyFrame::OnCollapsed)
+    EVT_DATAVIEW_ITEM_SELECTED(ID_MUSIC_CTRL, MyFrame::OnSelected)
+    
+    EVT_DATAVIEW_COLUMN_HEADER_CLICK(ID_MUSIC_CTRL, MyFrame::OnHeaderClick)
+    EVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICKED(ID_MUSIC_CTRL, MyFrame::OnHeaderRightClick)
+    EVT_DATAVIEW_COLUMN_SORTED(ID_MUSIC_CTRL, MyFrame::OnSorted)
+    
+    EVT_RIGHT_UP(MyFrame::OnRightClick)

 END_EVENT_TABLE()
 
 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 {
 END_EVENT_TABLE()
 
 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 {

+    m_log = NULL;
+

     SetIcon(wxICON(sample));
 
     // build the menus:
     SetIcon(wxICON(sample));
 
     // build the menus:


@@ -263,18 +546,64 @@ MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
     SetMenuBar(menu_bar);
     CreateStatusBar();
 
     SetMenuBar(menu_bar);
     CreateStatusBar();
 

-    m_dataview = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
-                                     wxDefaultSize );
+    wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );

 
 

-    wxObjectDataPtr<MyMusicModel> model(new MyMusicModel);
-    m_dataview->AssociateModel( model.get() );
+    wxBoxSizer *data_sizer = new wxBoxSizer( wxHORIZONTAL );

 
 

-    m_dataview->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200, 
+    // MyMusic
+
+    m_musicCtrl = new wxDataViewCtrl( this, ID_MUSIC_CTRL, wxDefaultPosition,
+                                    wxDefaultSize, wxDV_MULTIPLE );
+
+    m_music_model = new MyMusicModel;
+    m_musicCtrl->AssociateModel( m_music_model.get() );
+
+    m_musicCtrl->AppendTextColumn( "Title", 0, wxDATAVIEW_CELL_INERT, 200, 

                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );

-    m_dataview->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_INERT, 200,
+    m_musicCtrl->AppendTextColumn( "Artist", 1, wxDATAVIEW_CELL_EDITABLE, 200,

                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );
                                      DEFAULT_ALIGN, wxDATAVIEW_COL_SORTABLE );

-    m_dataview->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50,
+    m_musicCtrl->AppendTextColumn( "Year", 2, wxDATAVIEW_CELL_INERT, 50,

                                      DEFAULT_ALIGN );
                                      DEFAULT_ALIGN );

+
+    data_sizer->Add( m_musicCtrl, 3, wxGROW );
+    
+#if 1   
+    
+    // MyList
+    
+    m_listCtrl = new wxDataViewCtrl( this, wxID_ANY, wxDefaultPosition,
+                                     wxDefaultSize, wxDV_MULTIPLE ); 
+    
+    m_list_model = new MyListModel;
+    m_listCtrl->AssociateModel( m_list_model.get() );
+    
+    m_listCtrl->AppendTextColumn( "editable string", 0, wxDATAVIEW_CELL_EDITABLE, 120 );
+    m_listCtrl->AppendTextColumn( "index", 1, wxDATAVIEW_CELL_INERT, 120 );
+    
+    data_sizer->Add( m_listCtrl, 2, wxGROW );
+ 
+#endif   
+
+    main_sizer->Add( data_sizer, 2, wxGROW );
+    
+    wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
+    
+    button_sizer->Add( new wxButton( this, ID_ADD_MOZART, "Add Mozart"), 0, wxALL, 10 );
+    button_sizer->Add( new wxButton( this, ID_DELETE_MUSIC, "Delete selected"), 0, wxALL, 10 );
+    button_sizer->Add( 10, 10, 1 );
+    button_sizer->Add( new wxButton( this, ID_PREPEND_LIST, "Prepend"), 0, wxALL, 10 );
+    button_sizer->Add( new wxButton( this, ID_DELETE_LIST, "Delete selected"), 0, wxALL, 10 );
+    button_sizer->Add( new wxButton( this, ID_GOTO, "Goto 50"), 0, wxALL, 10 );
+    
+    main_sizer->Add( button_sizer, 0, wxGROW, 0 );
+    
+    m_log = new wxTextCtrl( this, -1, "", wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
+    m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_log));
+    wxLogMessage("This is the log window");
+
+    main_sizer->Add( m_log, 1, wxGROW );
+    
+    SetSizer( main_sizer );

 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )


@@ -282,6 +611,144 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
     Close(true);
 }
 
     Close(true);
 }
 

+void MyFrame::OnAddMozart(wxCommandEvent& WXUNUSED(event) )
+{
+    m_music_model->AddToClassical( "Kleine Nachtmusik", "Wolfgang Mozart", "1787" );
+}
+
+void MyFrame::OnDeleteMusic(wxCommandEvent& WXUNUSED(event) )
+{
+    wxDataViewItemArray items;
+    int len = m_musicCtrl->GetSelections( items );
+    for( int i = 0; i < len; i ++ )
+        if (items[i].IsOk())
+            m_music_model->Delete( items[i] );
+}
+
+void MyFrame::OnPrependList( wxCommandEvent& WXUNUSED(event) )
+{
+    m_list_model->Prepend( "Test" );
+}
+
+void MyFrame::OnDeleteList( wxCommandEvent& WXUNUSED(event) )
+{
+    wxDataViewItemArray items;
+    int len = m_listCtrl->GetSelections( items );
+    for( int i = 0; i < len; i ++ )
+        if (items[i].IsOk())
+            m_list_model->DeleteItem( items[i] );
+}
+
+void MyFrame::OnItemAdded( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, Item Id: %d",event.GetItem().GetID());
+}
+
+void MyFrame::OnItemDeleted( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage( "EVT_DATAVIEW_MODEL_ITEM_DELETED, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnValueChanged( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage( "EVT_DATAVIEW_MODEL_VALUE_CHANGED, Item Id: %d;  Column: %d", event.GetItem().GetID(), event.GetColumn() );
+}
+
+void MyFrame::OnActivated( wxDataViewEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, Item Id: %d;  Column: %d", event.GetItem().GetID(), event.GetColumn());
+}
+
+void MyFrame::OnSelected( wxDataViewEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnExpanding( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnExpanded( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnCollapsing( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnCollapsed( wxDataViewEvent &event )
+{
+    if (!m_log)
+        return;
+        
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, Item Id: %d", event.GetItem().GetID() );
+}
+
+void MyFrame::OnHeaderClick( wxDataViewEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, Column: %d", event.GetColumn());
+}
+
+void MyFrame::OnHeaderRightClick( wxDataViewEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, Column: %d", event.GetColumn());
+}
+
+void MyFrame::OnSorted( wxDataViewEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, Column: %d", event.GetColumn());
+}
+
+void MyFrame::OnRightClick( wxMouseEvent &event )
+{
+    if(!m_log)
+        return;
+
+    wxLogMessage("wxEVT_MOUSE_RIGHT_UP, Click Point is X: %d, Y: %d", event.GetX(), event.GetY());
+}
+
+void MyFrame::OnGoto( wxCommandEvent &event)
+{
+    wxDataViewItem item = m_list_model->GetItem( 50 );
+    m_listCtrl->EnsureVisible(item);
+}
+

 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {
     wxAboutDialogInfo info;
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {
     wxAboutDialogInfo info;