+
+static int my_sort_reverse( int *v1, int *v2 )
+{
+ return *v2-*v1;
+}
+
+static int my_sort( int *v1, int *v2 )
+{
+ return *v1-*v2;
+}
+
+class MyListModel: public wxDataViewVirtualListModel
+{
+public:
+ MyListModel() :
+#ifdef __WXMAC__
+ wxDataViewVirtualListModel( 1000 + 100 )
+#else
+ wxDataViewVirtualListModel( 100000 + 100 )
+#endif
+ {
+#ifdef __WXMAC__
+ m_virtualItems = 1000;
+#else
+ m_virtualItems = 100000;
+#endif
+
+ unsigned int i;
+ for (i = 0; i < 100; i++)
+ {
+ wxString str;
+ str.Printf( wxT("row number %d"), i );
+ m_array.Add( str );
+ }
+
+ m_icon = wxIcon( null_xpm );
+ }
+
+ // 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 );
+ if (row >= m_array.GetCount())
+ return;
+
+ m_array.RemoveAt( row );
+ RowDeleted( row );
+ }
+
+ void DeleteItems( const wxDataViewItemArray &items )
+ {
+ wxArrayInt rows;
+ unsigned int i;
+ for (i = 0; i < items.GetCount(); i++)
+ {
+ unsigned int row = GetRow( items[i] );
+ if (row < m_array.GetCount())
+ rows.Add( row );
+ }
+
+ // Sort in descending order so that the last
+ // row will be deleted first. Otherwise the
+ // remaining indeces would all be wrong.
+ rows.Sort( my_sort_reverse );
+ for (i = 0; i < rows.GetCount(); i++)
+ m_array.RemoveAt( rows[i] );
+
+ // This is just to test if wxDataViewCtrl can
+ // cope with removing rows not sorted in
+ // descending order
+ rows.Sort( my_sort );
+ RowsDeleted( rows );
+ }
+
+ void AddMany()
+ {
+ m_virtualItems += 1000;
+ Reset( m_array.GetCount() + m_virtualItems );
+ }
+
+ // implementation of base class virtuals to define model
+
+ virtual unsigned int GetColumnCount() const
+ {
+ return 3;
+ }
+
+ virtual wxString GetColumnType( unsigned int col ) const
+ {
+ if (col == 1)
+ return wxT("wxDataViewIconText");
+
+ return wxT("string");
+ }
+
+ virtual unsigned int GetRowCount()
+ {
+ return m_array.GetCount();
+ }
+
+ virtual void GetValueByRow( wxVariant &variant,
+ unsigned int row, unsigned int col ) const
+ {
+ if (col==0)
+ {
+ if (row >= m_array.GetCount())
+ {
+ wxString str;
+ str.Printf(wxT("row %d"), row - m_array.GetCount() );
+ variant = str;
+ }
+ else
+ {
+ variant = m_array[ row ];
+ }
+ } else
+ if (col==1)
+ {
+ wxDataViewIconText data( wxT("test"), m_icon );
+ variant << data;
+ } else
+ if (col==2)
+ {
+ if (row >= m_array.GetCount())
+ variant = wxT("plain");
+ else
+ variant = wxT("blue");
+ }
+ }
+
+ virtual bool GetAttrByRow( unsigned int row, unsigned int col, wxDataViewItemAttr &attr )
+ {
+ if (col != 2)
+ return false;
+
+ if (row < m_array.GetCount())
+ {
+ attr.SetColour( *wxBLUE );
+ attr.SetItalic( true );
+ }
+
+ return true;
+ }
+
+ virtual bool SetValueByRow( const wxVariant &variant,
+ unsigned int row, unsigned int col )
+ {
+ if (col == 0)
+ {
+ if (row >= m_array.GetCount())
+ return false;
+
+ m_array[row] = variant.GetString();
+ return true;
+ }
+
+ return false;
+ }
+
+ wxArrayString m_array;
+ wxIcon m_icon;
+ int m_virtualItems;
+};
+
+// -------------------------------------
+// MyCustomRenderer
+// -------------------------------------
+
+class MyCustomRenderer: public wxDataViewCustomRenderer
+{
+public:
+ MyCustomRenderer( wxDataViewCellMode mode, int alignment ) :
+ wxDataViewCustomRenderer( wxString("long"), mode, alignment )
+ { m_height = 25; }
+
+ virtual bool Render( wxRect rect, wxDC *dc, int WXUNUSED(state) )
+ {
+ dc->SetBrush( *wxRED_BRUSH );
+ dc->SetPen( *wxTRANSPARENT_PEN );
+ dc->DrawRectangle( rect );
+ return true;
+ }
+
+
+ virtual bool Activate( wxRect WXUNUSED(cell),
+ wxDataViewModel *WXUNUSED(model), const wxDataViewItem &WXUNUSED(item), unsigned int WXUNUSED(col) )
+ {
+ wxLogMessage( wxT("MyCustomRenderer Activate()") );
+ return false;
+ }
+
+ virtual bool LeftClick( wxPoint cursor, wxRect WXUNUSED(cell),
+ wxDataViewModel *WXUNUSED(model), const wxDataViewItem &WXUNUSED(item), unsigned int WXUNUSED(col) )
+ {
+ wxLogMessage( wxT("MyCustomRenderer LeftClick( %d, %d )"), cursor.x, cursor.y );
+ return false;
+ }
+
+ virtual wxSize GetSize() const
+ {
+ //return wxSize(60,m_height);
+ return wxSize(60,20);
+ }
+
+ virtual bool SetValue( const wxVariant &value )
+ {
+ m_height = value;
+ return true;
+ }
+
+ virtual bool GetValue( wxVariant &WXUNUSED(value) ) const { return true; }
+
+private:
+ long m_height;
+};
+
projects / wxWidgets.git / blobdiff